# HG changeset patch # User Bram Moolenaar # Date 1570654804 -7200 # Node ID fe5afdc03bd2a06cacccf67b7cf93d33906e97eb # Parent 5202d9b99bee174c0ac53a64be2da30bf256bffa patch 8.1.2127: the indent.c file is a bit big Commit: https://github.com/vim/vim/commit/14c01f83487d5c53192297a710eda2b8a4ab17c9 Author: Bram Moolenaar Date: Wed Oct 9 22:53:08 2019 +0200 patch 8.1.2127: the indent.c file is a bit big Problem: The indent.c file is a bit big. Solution: Move C-indent code a a new cindent.c file. Move other indent-related code to indent.c. (Yegappan Lakshmanan, closes #5031) diff --git a/Filelist b/Filelist --- a/Filelist +++ b/Filelist @@ -25,6 +25,7 @@ SRC_ALL = \ src/change.c \ src/channel.c \ src/charset.c \ + src/cindent.c \ src/cmdexpand.c \ src/cmdhist.c \ src/crypt.c \ @@ -191,6 +192,7 @@ SRC_ALL = \ src/proto/change.pro \ src/proto/channel.pro \ src/proto/charset.pro \ + src/proto/cindent.pro \ src/proto/cmdexpand.pro \ src/proto/cmdhist.pro \ src/proto/crypt.pro \ diff --git a/src/Make_cyg_ming.mak b/src/Make_cyg_ming.mak --- a/src/Make_cyg_ming.mak +++ b/src/Make_cyg_ming.mak @@ -712,6 +712,7 @@ OBJ = \ $(OUTDIR)/bufwrite.o \ $(OUTDIR)/change.o \ $(OUTDIR)/charset.o \ + $(OUTDIR)/cindent.o \ $(OUTDIR)/cmdexpand.o \ $(OUTDIR)/cmdhist.o \ $(OUTDIR)/crypt.o \ diff --git a/src/Make_morph.mak b/src/Make_morph.mak --- a/src/Make_morph.mak +++ b/src/Make_morph.mak @@ -32,6 +32,7 @@ SRC = arabic.c \ bufwrite.c \ change.c \ charset.c \ + cindent.c \ cmdexpand.c \ cmdhist.c \ crypt.c \ diff --git a/src/Make_mvc.mak b/src/Make_mvc.mak --- a/src/Make_mvc.mak +++ b/src/Make_mvc.mak @@ -719,6 +719,7 @@ OBJ = \ $(OUTDIR)\bufwrite.obj \ $(OUTDIR)\change.obj \ $(OUTDIR)\charset.obj \ + $(OUTDIR)\cindent.obj \ $(OUTDIR)\cmdexpand.obj \ $(OUTDIR)\cmdhist.obj \ $(OUTDIR)\crypt.obj \ @@ -1464,6 +1465,8 @@ testclean: $(OUTDIR)/charset.obj: $(OUTDIR) charset.c $(INCL) +$(OUTDIR)/cindent.obj: $(OUTDIR) cindent.c $(INCL) + $(OUTDIR)/cmdexpand.obj: $(OUTDIR) cmdexpand.c $(INCL) $(OUTDIR)/cmdhist.obj: $(OUTDIR) cmdhist.c $(INCL) @@ -1794,6 +1797,7 @@ proto.h: \ proto/bufwrite.pro \ proto/change.pro \ proto/charset.pro \ + proto/cindent.pro \ proto/cmdexpand.pro \ proto/cmdhist.pro \ proto/crypt.pro \ diff --git a/src/Make_vms.mms b/src/Make_vms.mms --- a/src/Make_vms.mms +++ b/src/Make_vms.mms @@ -318,6 +318,7 @@ SRC = \ bufwrite.c \ change.c \ charset.c \ + cindent.c \ cmdexpand.c \ cmdhist.c \ crypt.c \ @@ -420,6 +421,7 @@ OBJ = \ bufwrite.obj \ change.obj \ charset.obj \ + cindent.obj \ cmdexpand.obj \ cmdhist.obj \ crypt.obj \ @@ -700,6 +702,10 @@ charset.obj : charset.c vim.h [.auto]con ascii.h keymap.h term.h macros.h structs.h regexp.h \ gui.h beval.h [.proto]gui_beval.pro option.h ex_cmds.h proto.h \ globals.h +cindent.obj : cindent.c vim.h [.auto]config.h feature.h os_unix.h \ + ascii.h keymap.h term.h macros.h structs.h regexp.h \ + gui.h beval.h [.proto]gui_beval.pro option.h ex_cmds.h proto.h \ + globals.h cmdexpand.obj : cmdexpand.c vim.h [.auto]config.h feature.h os_unix.h \ ascii.h keymap.h term.h macros.h structs.h regexp.h \ gui.h beval.h [.proto]gui_beval.pro option.h ex_cmds.h proto.h \ diff --git a/src/Makefile b/src/Makefile --- a/src/Makefile +++ b/src/Makefile @@ -1585,6 +1585,7 @@ BASIC_SRC = \ buffer.c \ change.c \ charset.c \ + cindent.c \ cmdexpand.c \ cmdhist.c \ crypt.c \ @@ -1725,6 +1726,7 @@ OBJ_COMMON = \ objects/change.o \ objects/blob.o \ objects/blowfish.o \ + objects/cindent.o \ objects/cmdexpand.o \ objects/cmdhist.o \ objects/crypt.o \ @@ -1878,6 +1880,7 @@ PRO_AUTO = \ buffer.pro \ change.pro \ charset.pro \ + cindent.pro \ cmdexpand.pro \ cmdhist.pro \ crypt.pro \ @@ -3081,6 +3084,9 @@ objects/change.o: change.c objects/charset.o: charset.c $(CCC) -o $@ charset.c +objects/cindent.o: cindent.c + $(CCC) -o $@ cindent.c + objects/cmdexpand.o: cmdexpand.c $(CCC) -o $@ cmdexpand.c @@ -3621,6 +3627,10 @@ objects/charset.o: charset.c vim.h proto auto/osdef.h ascii.h keymap.h term.h macros.h option.h beval.h \ proto/gui_beval.pro structs.h regexp.h gui.h alloc.h ex_cmds.h spell.h \ proto.h globals.h +objects/cindent.o: cindent.c vim.h protodef.h auto/config.h feature.h os_unix.h \ + auto/osdef.h ascii.h keymap.h term.h macros.h option.h beval.h \ + proto/gui_beval.pro structs.h regexp.h gui.h alloc.h ex_cmds.h spell.h \ + proto.h globals.h objects/cmdexpand.o: cmdexpand.c vim.h protodef.h auto/config.h feature.h os_unix.h \ auto/osdef.h ascii.h keymap.h term.h macros.h option.h beval.h \ proto/gui_beval.pro structs.h regexp.h gui.h alloc.h ex_cmds.h spell.h \ diff --git a/src/README.md b/src/README.md --- a/src/README.md +++ b/src/README.md @@ -29,6 +29,7 @@ blob.c | blob data type buffer.c | manipulating buffers (loaded files) bufwrite.c | writing a buffer to file change.c | handling changes to text +cindent.c | C and Lisp indentation cmdexpand.c | command-line completion cmdhist.c | command-line history debugger.c | vim script debugger @@ -46,7 +47,7 @@ findfile.c | search for files in 'path' fold.c | folding getchar.c | getting characters and key mapping highlight.c | syntax highlighting -indent.c | C and Lisp indentation +indent.c | text indentation insexpand.c | Insert mode completion mark.c | marks map.c | mapping and abbreviations diff --git a/src/change.c b/src/change.c --- a/src/change.c +++ b/src/change.c @@ -1251,151 +1251,6 @@ del_bytes( } /* - * Copy the indent from ptr to the current line (and fill to size) - * Leaves the cursor on the first non-blank in the line. - * Returns TRUE if the line was changed. - */ - static int -copy_indent(int size, char_u *src) -{ - char_u *p = NULL; - char_u *line = NULL; - char_u *s; - int todo; - int ind_len; - int line_len = 0; - int tab_pad; - int ind_done; - int round; -#ifdef FEAT_VARTABS - int ind_col; -#endif - - // Round 1: compute the number of characters needed for the indent - // Round 2: copy the characters. - for (round = 1; round <= 2; ++round) - { - todo = size; - ind_len = 0; - ind_done = 0; -#ifdef FEAT_VARTABS - ind_col = 0; -#endif - s = src; - - // Count/copy the usable portion of the source line - while (todo > 0 && VIM_ISWHITE(*s)) - { - if (*s == TAB) - { -#ifdef FEAT_VARTABS - tab_pad = tabstop_padding(ind_done, curbuf->b_p_ts, - curbuf->b_p_vts_array); -#else - tab_pad = (int)curbuf->b_p_ts - - (ind_done % (int)curbuf->b_p_ts); -#endif - // Stop if this tab will overshoot the target - if (todo < tab_pad) - break; - todo -= tab_pad; - ind_done += tab_pad; -#ifdef FEAT_VARTABS - ind_col += tab_pad; -#endif - } - else - { - --todo; - ++ind_done; -#ifdef FEAT_VARTABS - ++ind_col; -#endif - } - ++ind_len; - if (p != NULL) - *p++ = *s; - ++s; - } - - // Fill to next tabstop with a tab, if possible -#ifdef FEAT_VARTABS - tab_pad = tabstop_padding(ind_done, curbuf->b_p_ts, - curbuf->b_p_vts_array); -#else - tab_pad = (int)curbuf->b_p_ts - (ind_done % (int)curbuf->b_p_ts); -#endif - if (todo >= tab_pad && !curbuf->b_p_et) - { - todo -= tab_pad; - ++ind_len; -#ifdef FEAT_VARTABS - ind_col += tab_pad; -#endif - if (p != NULL) - *p++ = TAB; - } - - // Add tabs required for indent - if (!curbuf->b_p_et) - { -#ifdef FEAT_VARTABS - for (;;) - { - tab_pad = tabstop_padding(ind_col, curbuf->b_p_ts, - curbuf->b_p_vts_array); - if (todo < tab_pad) - break; - todo -= tab_pad; - ++ind_len; - ind_col += tab_pad; - if (p != NULL) - *p++ = TAB; - } -#else - while (todo >= (int)curbuf->b_p_ts) - { - todo -= (int)curbuf->b_p_ts; - ++ind_len; - if (p != NULL) - *p++ = TAB; - } -#endif - } - - // Count/add spaces required for indent - while (todo > 0) - { - --todo; - ++ind_len; - if (p != NULL) - *p++ = ' '; - } - - if (p == NULL) - { - // Allocate memory for the result: the copied indent, new indent - // and the rest of the line. - line_len = (int)STRLEN(ml_get_curline()) + 1; - line = alloc(ind_len + line_len); - if (line == NULL) - return FALSE; - p = line; - } - } - - // Append the original line - mch_memmove(p, ml_get_curline(), (size_t)line_len); - - // Replace the line - ml_replace(curwin->w_cursor.lnum, line, FALSE); - - // Put the cursor after the indent. - curwin->w_cursor.col = ind_len; - return TRUE; -} - -/* * open_line: Add a new line below or above the current line. * * For VREPLACE mode, we only add a new line when we get to the end of the diff --git a/src/cindent.c b/src/cindent.c new file mode 100644 --- /dev/null +++ b/src/cindent.c @@ -0,0 +1,4133 @@ +/* vi:set ts=8 sts=4 sw=4 noet: + * + * VIM - Vi IMproved by Bram Moolenaar + * + * Do ":help uganda" in Vim to read copying and usage conditions. + * Do ":help credits" in Vim to see a list of people who contributed. + * See README.txt for an overview of the Vim source code. + */ + +/* + * cindent.c: C indentation related functions + * + * Many of C-indenting functions originally come from Eric Fischer. + * + * Below "XXX" means that this function may unlock the current line. + */ + +#include "vim.h" + +// values for the "lookfor" state +#define LOOKFOR_INITIAL 0 +#define LOOKFOR_IF 1 +#define LOOKFOR_DO 2 +#define LOOKFOR_CASE 3 +#define LOOKFOR_ANY 4 +#define LOOKFOR_TERM 5 +#define LOOKFOR_UNTERM 6 +#define LOOKFOR_SCOPEDECL 7 +#define LOOKFOR_NOBREAK 8 +#define LOOKFOR_CPP_BASECLASS 9 +#define LOOKFOR_ENUM_OR_INIT 10 +#define LOOKFOR_JS_KEY 11 +#define LOOKFOR_COMMA 12 + +#if defined(FEAT_CINDENT) || defined(FEAT_SMARTINDENT) +/* + * Return TRUE if the string "line" starts with a word from 'cinwords'. + */ + int +cin_is_cinword(char_u *line) +{ + char_u *cinw; + char_u *cinw_buf; + int cinw_len; + int retval = FALSE; + int len; + + cinw_len = (int)STRLEN(curbuf->b_p_cinw) + 1; + cinw_buf = alloc(cinw_len); + if (cinw_buf != NULL) + { + line = skipwhite(line); + for (cinw = curbuf->b_p_cinw; *cinw; ) + { + len = copy_option_part(&cinw, cinw_buf, cinw_len, ","); + if (STRNCMP(line, cinw_buf, len) == 0 + && (!vim_iswordc(line[len]) || !vim_iswordc(line[len - 1]))) + { + retval = TRUE; + break; + } + } + vim_free(cinw_buf); + } + return retval; +} +#endif + +#if defined(FEAT_CINDENT) || defined(FEAT_SYN_HL) + +/* + * Skip to the end of a "string" and a 'c' character. + * If there is no string or character, return argument unmodified. + */ + static char_u * +skip_string(char_u *p) +{ + int i; + + // We loop, because strings may be concatenated: "date""time". + for ( ; ; ++p) + { + if (p[0] == '\'') // 'c' or '\n' or '\000' + { + if (!p[1]) // ' at end of line + break; + i = 2; + if (p[1] == '\\') // '\n' or '\000' + { + ++i; + while (vim_isdigit(p[i - 1])) // '\000' + ++i; + } + if (p[i] == '\'') // check for trailing ' + { + p += i; + continue; + } + } + else if (p[0] == '"') // start of string + { + for (++p; p[0]; ++p) + { + if (p[0] == '\\' && p[1] != NUL) + ++p; + else if (p[0] == '"') // end of string + break; + } + if (p[0] == '"') + continue; // continue for another string + } + else if (p[0] == 'R' && p[1] == '"') + { + // Raw string: R"[delim](...)[delim]" + char_u *delim = p + 2; + char_u *paren = vim_strchr(delim, '('); + + if (paren != NULL) + { + size_t delim_len = paren - delim; + + for (p += 3; *p; ++p) + if (p[0] == ')' && STRNCMP(p + 1, delim, delim_len) == 0 + && p[delim_len + 1] == '"') + { + p += delim_len + 1; + break; + } + if (p[0] == '"') + continue; // continue for another string + } + } + break; // no string found + } + if (!*p) + --p; // backup from NUL + return p; +} + +/* + * Find the start of a comment, not knowing if we are in a comment right now. + * Search starts at w_cursor.lnum and goes backwards. + * Return NULL when not inside a comment. + */ + static pos_T * +ind_find_start_comment(void) // XXX +{ + return find_start_comment(curbuf->b_ind_maxcomment); +} + + pos_T * +find_start_comment(int ind_maxcomment) // XXX +{ + pos_T *pos; + char_u *line; + char_u *p; + int cur_maxcomment = ind_maxcomment; + + for (;;) + { + pos = findmatchlimit(NULL, '*', FM_BACKWARD, cur_maxcomment); + if (pos == NULL) + break; + + // Check if the comment start we found is inside a string. + // If it is then restrict the search to below this line and try again. + line = ml_get(pos->lnum); + for (p = line; *p && (colnr_T)(p - line) < pos->col; ++p) + p = skip_string(p); + if ((colnr_T)(p - line) <= pos->col) + break; + cur_maxcomment = curwin->w_cursor.lnum - pos->lnum - 1; + if (cur_maxcomment <= 0) + { + pos = NULL; + break; + } + } + return pos; +} + +/* + * Find the start of a raw string, not knowing if we are in one right now. + * Search starts at w_cursor.lnum and goes backwards. + * Return NULL when not inside a raw string. + */ + static pos_T * +find_start_rawstring(int ind_maxcomment) // XXX +{ + pos_T *pos; + char_u *line; + char_u *p; + int cur_maxcomment = ind_maxcomment; + + for (;;) + { + pos = findmatchlimit(NULL, 'R', FM_BACKWARD, cur_maxcomment); + if (pos == NULL) + break; + + // Check if the raw string start we found is inside a string. + // If it is then restrict the search to below this line and try again. + line = ml_get(pos->lnum); + for (p = line; *p && (colnr_T)(p - line) < pos->col; ++p) + p = skip_string(p); + if ((colnr_T)(p - line) <= pos->col) + break; + cur_maxcomment = curwin->w_cursor.lnum - pos->lnum - 1; + if (cur_maxcomment <= 0) + { + pos = NULL; + break; + } + } + return pos; +} + +/* + * Find the start of a comment or raw string, not knowing if we are in a + * comment or raw string right now. + * Search starts at w_cursor.lnum and goes backwards. + * If is_raw is given and returns start of raw_string, sets it to true. + * Return NULL when not inside a comment or raw string. + * "CORS" -> Comment Or Raw String + */ + static pos_T * +ind_find_start_CORS(linenr_T *is_raw) // XXX +{ + static pos_T comment_pos_copy; + pos_T *comment_pos; + pos_T *rs_pos; + + comment_pos = find_start_comment(curbuf->b_ind_maxcomment); + if (comment_pos != NULL) + { + // Need to make a copy of the static pos in findmatchlimit(), + // calling find_start_rawstring() may change it. + comment_pos_copy = *comment_pos; + comment_pos = &comment_pos_copy; + } + rs_pos = find_start_rawstring(curbuf->b_ind_maxcomment); + + // If comment_pos is before rs_pos the raw string is inside the comment. + // If rs_pos is before comment_pos the comment is inside the raw string. + if (comment_pos == NULL || (rs_pos != NULL + && LT_POS(*rs_pos, *comment_pos))) + { + if (is_raw != NULL && rs_pos != NULL) + *is_raw = rs_pos->lnum; + return rs_pos; + } + return comment_pos; +} +#endif // FEAT_CINDENT || FEAT_SYN_HL + +#if defined(FEAT_CINDENT) || defined(PROTO) + +/* + * Return TRUE if C-indenting is on. + */ + int +cindent_on(void) +{ + return (!p_paste && (curbuf->b_p_cin +# ifdef FEAT_EVAL + || *curbuf->b_p_inde != NUL +# endif + )); +} + +// Find result cache for cpp_baseclass +typedef struct { + int found; + lpos_T lpos; +} cpp_baseclass_cache_T; + +/* + * Skip over white space and C comments within the line. + * Also skip over Perl/shell comments if desired. + */ + static char_u * +cin_skipcomment(char_u *s) +{ + while (*s) + { + char_u *prev_s = s; + + s = skipwhite(s); + + // Perl/shell # comment comment continues until eol. Require a space + // before # to avoid recognizing $#array. + if (curbuf->b_ind_hash_comment != 0 && s != prev_s && *s == '#') + { + s += STRLEN(s); + break; + } + if (*s != '/') + break; + ++s; + if (*s == '/') // slash-slash comment continues till eol + { + s += STRLEN(s); + break; + } + if (*s != '*') + break; + for (++s; *s; ++s) // skip slash-star comment + if (s[0] == '*' && s[1] == '/') + { + s += 2; + break; + } + } + return s; +} + +/* + * Return TRUE if there is no code at *s. White space and comments are + * not considered code. + */ + static int +cin_nocode(char_u *s) +{ + return *cin_skipcomment(s) == NUL; +} + +/* + * Recognize the start of a C or C++ comment. + */ + static int +cin_iscomment(char_u *p) +{ + return (p[0] == '/' && (p[1] == '*' || p[1] == '/')); +} + +/* + * Recognize the start of a "//" comment. + */ + static int +cin_islinecomment(char_u *p) +{ + return (p[0] == '/' && p[1] == '/'); +} + +/* + * Check previous lines for a "//" line comment, skipping over blank lines. + */ + static pos_T * +find_line_comment(void) // XXX +{ + static pos_T pos; + char_u *line; + char_u *p; + + pos = curwin->w_cursor; + while (--pos.lnum > 0) + { + line = ml_get(pos.lnum); + p = skipwhite(line); + if (cin_islinecomment(p)) + { + pos.col = (int)(p - line); + return &pos; + } + if (*p != NUL) + break; + } + return NULL; +} + +/* + * Return TRUE if "text" starts with "key:". + */ + static int +cin_has_js_key(char_u *text) +{ + char_u *s = skipwhite(text); + int quote = -1; + + if (*s == '\'' || *s == '"') + { + // can be 'key': or "key": + quote = *s; + ++s; + } + if (!vim_isIDc(*s)) // need at least one ID character + return FALSE; + + while (vim_isIDc(*s)) + ++s; + if (*s == quote) + ++s; + + s = cin_skipcomment(s); + + // "::" is not a label, it's C++ + return (*s == ':' && s[1] != ':'); +} + +/* + * Check if string matches "label:"; move to character after ':' if true. + * "*s" must point to the start of the label, if there is one. + */ + static int +cin_islabel_skip(char_u **s) +{ + if (!vim_isIDc(**s)) // need at least one ID character + return FALSE; + + while (vim_isIDc(**s)) + (*s)++; + + *s = cin_skipcomment(*s); + + // "::" is not a label, it's C++ + return (**s == ':' && *++*s != ':'); +} + +/* + * Recognize a "public/private/protected" scope declaration label. + */ + static int +cin_isscopedecl(char_u *s) +{ + int i; + + s = cin_skipcomment(s); + if (STRNCMP(s, "public", 6) == 0) + i = 6; + else if (STRNCMP(s, "protected", 9) == 0) + i = 9; + else if (STRNCMP(s, "private", 7) == 0) + i = 7; + else + return FALSE; + return (*(s = cin_skipcomment(s + i)) == ':' && s[1] != ':'); +} + +/* + * Recognize a preprocessor statement: Any line that starts with '#'. + */ + static int +cin_ispreproc(char_u *s) +{ + if (*skipwhite(s) == '#') + return TRUE; + return FALSE; +} + +/* + * Return TRUE if line "*pp" at "*lnump" is a preprocessor statement or a + * continuation line of a preprocessor statement. Decrease "*lnump" to the + * start and return the line in "*pp". + * Put the amount of indent in "*amount". + */ + static int +cin_ispreproc_cont(char_u **pp, linenr_T *lnump, int *amount) +{ + char_u *line = *pp; + linenr_T lnum = *lnump; + int retval = FALSE; + int candidate_amount = *amount; + + if (*line != NUL && line[STRLEN(line) - 1] == '\\') + candidate_amount = get_indent_lnum(lnum); + + for (;;) + { + if (cin_ispreproc(line)) + { + retval = TRUE; + *lnump = lnum; + break; + } + if (lnum == 1) + break; + line = ml_get(--lnum); + if (*line == NUL || line[STRLEN(line) - 1] != '\\') + break; + } + + if (lnum != *lnump) + *pp = ml_get(*lnump); + if (retval) + *amount = candidate_amount; + return retval; +} + + static int +cin_iselse( + char_u *p) +{ + if (*p == '}') // accept "} else" + p = cin_skipcomment(p + 1); + return (STRNCMP(p, "else", 4) == 0 && !vim_isIDc(p[4])); +} + +/* + * Recognize a line that starts with '{' or '}', or ends with ';', ',', '{' or + * '}'. + * Don't consider "} else" a terminated line. + * If a line begins with an "else", only consider it terminated if no unmatched + * opening braces follow (handle "else { foo();" correctly). + * Return the character terminating the line (ending char's have precedence if + * both apply in order to determine initializations). + */ + static int +cin_isterminated( + char_u *s, + int incl_open, // include '{' at the end as terminator + int incl_comma) // recognize a trailing comma +{ + char_u found_start = 0; + unsigned n_open = 0; + int is_else = FALSE; + + s = cin_skipcomment(s); + + if (*s == '{' || (*s == '}' && !cin_iselse(s))) + found_start = *s; + + if (!found_start) + is_else = cin_iselse(s); + + while (*s) + { + // skip over comments, "" strings and 'c'haracters + s = skip_string(cin_skipcomment(s)); + if (*s == '}' && n_open > 0) + --n_open; + if ((!is_else || n_open == 0) + && (*s == ';' || *s == '}' || (incl_comma && *s == ',')) + && cin_nocode(s + 1)) + return *s; + else if (*s == '{') + { + if (incl_open && cin_nocode(s + 1)) + return *s; + else + ++n_open; + } + + if (*s) + s++; + } + return found_start; +} + +/* + * Return TRUE when "s" starts with "word" and then a non-ID character. + */ + static int +cin_starts_with(char_u *s, char *word) +{ + int l = (int)STRLEN(word); + + return (STRNCMP(s, word, l) == 0 && !vim_isIDc(s[l])); +} + +/* + * Recognize a "default" switch label. + */ + static int +cin_isdefault(char_u *s) +{ + return (STRNCMP(s, "default", 7) == 0 + && *(s = cin_skipcomment(s + 7)) == ':' + && s[1] != ':'); +} + +/* + * Recognize a switch label: "case .*:" or "default:". + */ + static int +cin_iscase( + char_u *s, + int strict) // Allow relaxed check of case statement for JS +{ + s = cin_skipcomment(s); + if (cin_starts_with(s, "case")) + { + for (s += 4; *s; ++s) + { + s = cin_skipcomment(s); + if (*s == ':') + { + if (s[1] == ':') // skip over "::" for C++ + ++s; + else + return TRUE; + } + if (*s == '\'' && s[1] && s[2] == '\'') + s += 2; // skip over ':' + else if (*s == '/' && (s[1] == '*' || s[1] == '/')) + return FALSE; // stop at comment + else if (*s == '"') + { + // JS etc. + if (strict) + return FALSE; // stop at string + else + return TRUE; + } + } + return FALSE; + } + + if (cin_isdefault(s)) + return TRUE; + return FALSE; +} + +/* + * Recognize a label: "label:". + * Note: curwin->w_cursor must be where we are looking for the label. + */ + static int +cin_islabel(void) // XXX +{ + char_u *s; + + s = cin_skipcomment(ml_get_curline()); + + // Exclude "default" from labels, since it should be indented + // like a switch label. Same for C++ scope declarations. + if (cin_isdefault(s)) + return FALSE; + if (cin_isscopedecl(s)) + return FALSE; + + if (cin_islabel_skip(&s)) + { + // Only accept a label if the previous line is terminated or is a case + // label. + pos_T cursor_save; + pos_T *trypos; + char_u *line; + + cursor_save = curwin->w_cursor; + while (curwin->w_cursor.lnum > 1) + { + --curwin->w_cursor.lnum; + + // If we're in a comment or raw string now, skip to the start of + // it. + curwin->w_cursor.col = 0; + if ((trypos = ind_find_start_CORS(NULL)) != NULL) // XXX + curwin->w_cursor = *trypos; + + line = ml_get_curline(); + if (cin_ispreproc(line)) // ignore #defines, #if, etc. + continue; + if (*(line = cin_skipcomment(line)) == NUL) + continue; + + curwin->w_cursor = cursor_save; + if (cin_isterminated(line, TRUE, FALSE) + || cin_isscopedecl(line) + || cin_iscase(line, TRUE) + || (cin_islabel_skip(&line) && cin_nocode(line))) + return TRUE; + return FALSE; + } + curwin->w_cursor = cursor_save; + return TRUE; // label at start of file??? + } + return FALSE; +} + +/* + * Return TRUE if string "s" ends with the string "find", possibly followed by + * white space and comments. Skip strings and comments. + * Ignore "ignore" after "find" if it's not NULL. + */ + static int +cin_ends_in(char_u *s, char_u *find, char_u *ignore) +{ + char_u *p = s; + char_u *r; + int len = (int)STRLEN(find); + + while (*p != NUL) + { + p = cin_skipcomment(p); + if (STRNCMP(p, find, len) == 0) + { + r = skipwhite(p + len); + if (ignore != NULL && STRNCMP(r, ignore, STRLEN(ignore)) == 0) + r = skipwhite(r + STRLEN(ignore)); + if (cin_nocode(r)) + return TRUE; + } + if (*p != NUL) + ++p; + } + return FALSE; +} + +/* + * Recognize structure initialization and enumerations: + * "[typedef] [static|public|protected|private] enum" + * "[typedef] [static|public|protected|private] = {" + */ + static int +cin_isinit(void) +{ + char_u *s; + static char *skip[] = {"static", "public", "protected", "private"}; + + s = cin_skipcomment(ml_get_curline()); + + if (cin_starts_with(s, "typedef")) + s = cin_skipcomment(s + 7); + + for (;;) + { + int i, l; + + for (i = 0; i < (int)(sizeof(skip) / sizeof(char *)); ++i) + { + l = (int)strlen(skip[i]); + if (cin_starts_with(s, skip[i])) + { + s = cin_skipcomment(s + l); + l = 0; + break; + } + } + if (l != 0) + break; + } + + if (cin_starts_with(s, "enum")) + return TRUE; + + if (cin_ends_in(s, (char_u *)"=", (char_u *)"{")) + return TRUE; + + return FALSE; +} + +// Maximum number of lines to search back for a "namespace" line. +#define FIND_NAMESPACE_LIM 20 + +/* + * Recognize a "namespace" scope declaration. + */ + static int +cin_is_cpp_namespace(char_u *s) +{ + char_u *p; + int has_name = FALSE; + int has_name_start = FALSE; + + s = cin_skipcomment(s); + if (STRNCMP(s, "namespace", 9) == 0 && (s[9] == NUL || !vim_iswordc(s[9]))) + { + p = cin_skipcomment(skipwhite(s + 9)); + while (*p != NUL) + { + if (VIM_ISWHITE(*p)) + { + has_name = TRUE; // found end of a name + p = cin_skipcomment(skipwhite(p)); + } + else if (*p == '{') + { + break; + } + else if (vim_iswordc(*p)) + { + has_name_start = TRUE; + if (has_name) + return FALSE; // word character after skipping past name + ++p; + } + else if (p[0] == ':' && p[1] == ':' && vim_iswordc(p[2])) + { + if (!has_name_start || has_name) + return FALSE; + // C++ 17 nested namespace + p += 3; + } + else + { + return FALSE; + } + } + return TRUE; + } + return FALSE; +} + +/* + * Recognize a `extern "C"` or `extern "C++"` linkage specifications. + */ + static int +cin_is_cpp_extern_c(char_u *s) +{ + char_u *p; + int has_string_literal = FALSE; + + s = cin_skipcomment(s); + if (STRNCMP(s, "extern", 6) == 0 && (s[6] == NUL || !vim_iswordc(s[6]))) + { + p = cin_skipcomment(skipwhite(s + 6)); + while (*p != NUL) + { + if (VIM_ISWHITE(*p)) + { + p = cin_skipcomment(skipwhite(p)); + } + else if (*p == '{') + { + break; + } + else if (p[0] == '"' && p[1] == 'C' && p[2] == '"') + { + if (has_string_literal) + return FALSE; + has_string_literal = TRUE; + p += 3; + } + else if (p[0] == '"' && p[1] == 'C' && p[2] == '+' && p[3] == '+' + && p[4] == '"') + { + if (has_string_literal) + return FALSE; + has_string_literal = TRUE; + p += 5; + } + else + { + return FALSE; + } + } + return has_string_literal ? TRUE : FALSE; + } + return FALSE; +} + +/* + * Return a pointer to the first non-empty non-comment character after a ':'. + * Return NULL if not found. + * case 234: a = b; + * ^ + */ + static char_u * +after_label(char_u *l) +{ + for ( ; *l; ++l) + { + if (*l == ':') + { + if (l[1] == ':') // skip over "::" for C++ + ++l; + else if (!cin_iscase(l + 1, FALSE)) + break; + } + else if (*l == '\'' && l[1] && l[2] == '\'') + l += 2; // skip over 'x' + } + if (*l == NUL) + return NULL; + l = cin_skipcomment(l + 1); + if (*l == NUL) + return NULL; + return l; +} + +/* + * Get indent of line "lnum", skipping a label. + * Return 0 if there is nothing after the label. + */ + static int +get_indent_nolabel (linenr_T lnum) // XXX +{ + char_u *l; + pos_T fp; + colnr_T col; + char_u *p; + + l = ml_get(lnum); + p = after_label(l); + if (p == NULL) + return 0; + + fp.col = (colnr_T)(p - l); + fp.lnum = lnum; + getvcol(curwin, &fp, &col, NULL, NULL); + return (int)col; +} + +/* + * Find indent for line "lnum", ignoring any case or jump label. + * Also return a pointer to the text (after the label) in "pp". + * label: if (asdf && asdfasdf) + * ^ + */ + static int +skip_label(linenr_T lnum, char_u **pp) +{ + char_u *l; + int amount; + pos_T cursor_save; + + cursor_save = curwin->w_cursor; + curwin->w_cursor.lnum = lnum; + l = ml_get_curline(); + // XXX + if (cin_iscase(l, FALSE) || cin_isscopedecl(l) || cin_islabel()) + { + amount = get_indent_nolabel(lnum); + l = after_label(ml_get_curline()); + if (l == NULL) // just in case + l = ml_get_curline(); + } + else + { + amount = get_indent(); + l = ml_get_curline(); + } + *pp = l; + + curwin->w_cursor = cursor_save; + return amount; +} + +/* + * Return the indent of the first variable name after a type in a declaration. + * int a, indent of "a" + * static struct foo b, indent of "b" + * enum bla c, indent of "c" + * Returns zero when it doesn't look like a declaration. + */ + static int +cin_first_id_amount(void) +{ + char_u *line, *p, *s; + int len; + pos_T fp; + colnr_T col; + + line = ml_get_curline(); + p = skipwhite(line); + len = (int)(skiptowhite(p) - p); + if (len == 6 && STRNCMP(p, "static", 6) == 0) + { + p = skipwhite(p + 6); + len = (int)(skiptowhite(p) - p); + } + if (len == 6 && STRNCMP(p, "struct", 6) == 0) + p = skipwhite(p + 6); + else if (len == 4 && STRNCMP(p, "enum", 4) == 0) + p = skipwhite(p + 4); + else if ((len == 8 && STRNCMP(p, "unsigned", 8) == 0) + || (len == 6 && STRNCMP(p, "signed", 6) == 0)) + { + s = skipwhite(p + len); + if ((STRNCMP(s, "int", 3) == 0 && VIM_ISWHITE(s[3])) + || (STRNCMP(s, "long", 4) == 0 && VIM_ISWHITE(s[4])) + || (STRNCMP(s, "short", 5) == 0 && VIM_ISWHITE(s[5])) + || (STRNCMP(s, "char", 4) == 0 && VIM_ISWHITE(s[4]))) + p = s; + } + for (len = 0; vim_isIDc(p[len]); ++len) + ; + if (len == 0 || !VIM_ISWHITE(p[len]) || cin_nocode(p)) + return 0; + + p = skipwhite(p + len); + fp.lnum = curwin->w_cursor.lnum; + fp.col = (colnr_T)(p - line); + getvcol(curwin, &fp, &col, NULL, NULL); + return (int)col; +} + +/* + * Return the indent of the first non-blank after an equal sign. + * char *foo = "here"; + * Return zero if no (useful) equal sign found. + * Return -1 if the line above "lnum" ends in a backslash. + * foo = "asdf\ + * asdf\ + * here"; + */ + static int +cin_get_equal_amount(linenr_T lnum) +{ + char_u *line; + char_u *s; + colnr_T col; + pos_T fp; + + if (lnum > 1) + { + line = ml_get(lnum - 1); + if (*line != NUL && line[STRLEN(line) - 1] == '\\') + return -1; + } + + line = s = ml_get(lnum); + while (*s != NUL && vim_strchr((char_u *)"=;{}\"'", *s) == NULL) + { + if (cin_iscomment(s)) // ignore comments + s = cin_skipcomment(s); + else + ++s; + } + if (*s != '=') + return 0; + + s = skipwhite(s + 1); + if (cin_nocode(s)) + return 0; + + if (*s == '"') // nice alignment for continued strings + ++s; + + fp.lnum = lnum; + fp.col = (colnr_T)(s - line); + getvcol(curwin, &fp, &col, NULL, NULL); + return (int)col; +} + +/* + * Skip strings, chars and comments until at or past "trypos". + * Return the column found. + */ + static int +cin_skip2pos(pos_T *trypos) +{ + char_u *line; + char_u *p; + char_u *new_p; + + p = line = ml_get(trypos->lnum); + while (*p && (colnr_T)(p - line) < trypos->col) + { + if (cin_iscomment(p)) + p = cin_skipcomment(p); + else + { + new_p = skip_string(p); + if (new_p == p) + ++p; + else + p = new_p; + } + } + return (int)(p - line); +} + + static pos_T * +find_match_char(int c, int ind_maxparen) // XXX +{ + pos_T cursor_save; + pos_T *trypos; + static pos_T pos_copy; + int ind_maxp_wk; + + cursor_save = curwin->w_cursor; + ind_maxp_wk = ind_maxparen; +retry: + if ((trypos = findmatchlimit(NULL, c, 0, ind_maxp_wk)) != NULL) + { + // check if the ( is in a // comment + if ((colnr_T)cin_skip2pos(trypos) > trypos->col) + { + ind_maxp_wk = ind_maxparen - (int)(cursor_save.lnum - trypos->lnum); + if (ind_maxp_wk > 0) + { + curwin->w_cursor = *trypos; + curwin->w_cursor.col = 0; // XXX + goto retry; + } + trypos = NULL; + } + else + { + pos_T *trypos_wk; + + pos_copy = *trypos; // copy trypos, findmatch will change it + trypos = &pos_copy; + curwin->w_cursor = *trypos; + if ((trypos_wk = ind_find_start_CORS(NULL)) != NULL) // XXX + { + ind_maxp_wk = ind_maxparen - (int)(cursor_save.lnum + - trypos_wk->lnum); + if (ind_maxp_wk > 0) + { + curwin->w_cursor = *trypos_wk; + goto retry; + } + trypos = NULL; + } + } + } + curwin->w_cursor = cursor_save; + return trypos; +} + +/* + * Find the matching '(', ignoring it if it is in a comment. + * Return NULL if no match found. + */ + static pos_T * +find_match_paren(int ind_maxparen) // XXX +{ + return find_match_char('(', ind_maxparen); +} + +/* + * Set w_cursor.col to the column number of the last unmatched ')' or '{' in + * line "l". "l" must point to the start of the line. + */ + static int +find_last_paren(char_u *l, int start, int end) +{ + int i; + int retval = FALSE; + int open_count = 0; + + curwin->w_cursor.col = 0; // default is start of line + + for (i = 0; l[i] != NUL; i++) + { + i = (int)(cin_skipcomment(l + i) - l); // ignore parens in comments + i = (int)(skip_string(l + i) - l); // ignore parens in quotes + if (l[i] == start) + ++open_count; + else if (l[i] == end) + { + if (open_count > 0) + --open_count; + else + { + curwin->w_cursor.col = i; + retval = TRUE; + } + } + } + return retval; +} + +/* + * Recognize the basic picture of a function declaration -- it needs to + * have an open paren somewhere and a close paren at the end of the line and + * no semicolons anywhere. + * When a line ends in a comma we continue looking in the next line. + * "sp" points to a string with the line. When looking at other lines it must + * be restored to the line. When it's NULL fetch lines here. + * "first_lnum" is where we start looking. + * "min_lnum" is the line before which we will not be looking. + */ + static int +cin_isfuncdecl( + char_u **sp, + linenr_T first_lnum, + linenr_T min_lnum) +{ + char_u *s; + linenr_T lnum = first_lnum; + linenr_T save_lnum = curwin->w_cursor.lnum; + int retval = FALSE; + pos_T *trypos; + int just_started = TRUE; + + if (sp == NULL) + s = ml_get(lnum); + else + s = *sp; + + curwin->w_cursor.lnum = lnum; + if (find_last_paren(s, '(', ')') + && (trypos = find_match_paren(curbuf->b_ind_maxparen)) != NULL) + { + lnum = trypos->lnum; + if (lnum < min_lnum) + { + curwin->w_cursor.lnum = save_lnum; + return FALSE; + } + + s = ml_get(lnum); + } + curwin->w_cursor.lnum = save_lnum; + + // Ignore line starting with #. + if (cin_ispreproc(s)) + return FALSE; + + while (*s && *s != '(' && *s != ';' && *s != '\'' && *s != '"') + { + if (cin_iscomment(s)) // ignore comments + s = cin_skipcomment(s); + else if (*s == ':') + { + if (*(s + 1) == ':') + s += 2; + else + // To avoid a mistake in the following situation: + // A::A(int a, int b) + // : a(0) // <--not a function decl + // , b(0) + // {... + return FALSE; + } + else + ++s; + } + if (*s != '(') + return FALSE; // ';', ' or " before any () or no '(' + + while (*s && *s != ';' && *s != '\'' && *s != '"') + { + if (*s == ')' && cin_nocode(s + 1)) + { + // ')' at the end: may have found a match + // Check for he previous line not to end in a backslash: + // #if defined(x) && {backslash} + // defined(y) + lnum = first_lnum - 1; + s = ml_get(lnum); + if (*s == NUL || s[STRLEN(s) - 1] != '\\') + retval = TRUE; + goto done; + } + if ((*s == ',' && cin_nocode(s + 1)) || s[1] == NUL || cin_nocode(s)) + { + int comma = (*s == ','); + + // ',' at the end: continue looking in the next line. + // At the end: check for ',' in the next line, for this style: + // func(arg1 + // , arg2) + for (;;) + { + if (lnum >= curbuf->b_ml.ml_line_count) + break; + s = ml_get(++lnum); + if (!cin_ispreproc(s)) + break; + } + if (lnum >= curbuf->b_ml.ml_line_count) + break; + // Require a comma at end of the line or a comma or ')' at the + // start of next line. + s = skipwhite(s); + if (!just_started && (!comma && *s != ',' && *s != ')')) + break; + just_started = FALSE; + } + else if (cin_iscomment(s)) // ignore comments + s = cin_skipcomment(s); + else + { + ++s; + just_started = FALSE; + } + } + +done: + if (lnum != first_lnum && sp != NULL) + *sp = ml_get(first_lnum); + + return retval; +} + + static int +cin_isif(char_u *p) +{ + return (STRNCMP(p, "if", 2) == 0 && !vim_isIDc(p[2])); +} + + static int +cin_isdo(char_u *p) +{ + return (STRNCMP(p, "do", 2) == 0 && !vim_isIDc(p[2])); +} + +/* + * Check if this is a "while" that should have a matching "do". + * We only accept a "while (condition) ;", with only white space between the + * ')' and ';'. The condition may be spread over several lines. + */ + static int +cin_iswhileofdo (char_u *p, linenr_T lnum) // XXX +{ + pos_T cursor_save; + pos_T *trypos; + int retval = FALSE; + + p = cin_skipcomment(p); + if (*p == '}') // accept "} while (cond);" + p = cin_skipcomment(p + 1); + if (cin_starts_with(p, "while")) + { + cursor_save = curwin->w_cursor; + curwin->w_cursor.lnum = lnum; + curwin->w_cursor.col = 0; + p = ml_get_curline(); + while (*p && *p != 'w') // skip any '}', until the 'w' of the "while" + { + ++p; + ++curwin->w_cursor.col; + } + if ((trypos = findmatchlimit(NULL, 0, 0, + curbuf->b_ind_maxparen)) != NULL + && *cin_skipcomment(ml_get_pos(trypos) + 1) == ';') + retval = TRUE; + curwin->w_cursor = cursor_save; + } + return retval; +} + +/* + * Check whether in "p" there is an "if", "for" or "while" before "*poffset". + * Return 0 if there is none. + * Otherwise return !0 and update "*poffset" to point to the place where the + * string was found. + */ + static int +cin_is_if_for_while_before_offset(char_u *line, int *poffset) +{ + int offset = *poffset; + + if (offset-- < 2) + return 0; + while (offset > 2 && VIM_ISWHITE(line[offset])) + --offset; + + offset -= 1; + if (!STRNCMP(line + offset, "if", 2)) + goto probablyFound; + + if (offset >= 1) + { + offset -= 1; + if (!STRNCMP(line + offset, "for", 3)) + goto probablyFound; + + if (offset >= 2) + { + offset -= 2; + if (!STRNCMP(line + offset, "while", 5)) + goto probablyFound; + } + } + return 0; + +probablyFound: + if (!offset || !vim_isIDc(line[offset - 1])) + { + *poffset = offset; + return 1; + } + return 0; +} + +/* + * Return TRUE if we are at the end of a do-while. + * do + * nothing; + * while (foo + * && bar); <-- here + * Adjust the cursor to the line with "while". + */ + static int +cin_iswhileofdo_end(int terminated) +{ + char_u *line; + char_u *p; + char_u *s; + pos_T *trypos; + int i; + + if (terminated != ';') // there must be a ';' at the end + return FALSE; + + p = line = ml_get_curline(); + while (*p != NUL) + { + p = cin_skipcomment(p); + if (*p == ')') + { + s = skipwhite(p + 1); + if (*s == ';' && cin_nocode(s + 1)) + { + // Found ");" at end of the line, now check there is "while" + // before the matching '('. XXX + i = (int)(p - line); + curwin->w_cursor.col = i; + trypos = find_match_paren(curbuf->b_ind_maxparen); + if (trypos != NULL) + { + s = cin_skipcomment(ml_get(trypos->lnum)); + if (*s == '}') // accept "} while (cond);" + s = cin_skipcomment(s + 1); + if (cin_starts_with(s, "while")) + { + curwin->w_cursor.lnum = trypos->lnum; + return TRUE; + } + } + + // Searching may have made "line" invalid, get it again. + line = ml_get_curline(); + p = line + i; + } + } + if (*p != NUL) + ++p; + } + return FALSE; +} + + static int +cin_isbreak(char_u *p) +{ + return (STRNCMP(p, "break", 5) == 0 && !vim_isIDc(p[5])); +} + +/* + * Find the position of a C++ base-class declaration or + * constructor-initialization. eg: + * + * class MyClass : + * baseClass <-- here + * class MyClass : public baseClass, + * anotherBaseClass <-- here (should probably lineup ??) + * MyClass::MyClass(...) : + * baseClass(...) <-- here (constructor-initialization) + * + * This is a lot of guessing. Watch out for "cond ? func() : foo". + */ + static int +cin_is_cpp_baseclass( + cpp_baseclass_cache_T *cached) // input and output +{ + lpos_T *pos = &cached->lpos; // find position + char_u *s; + int class_or_struct, lookfor_ctor_init, cpp_base_class; + linenr_T lnum = curwin->w_cursor.lnum; + char_u *line = ml_get_curline(); + + if (pos->lnum <= lnum) + return cached->found; // Use the cached result + + pos->col = 0; + + s = skipwhite(line); + if (*s == '#') // skip #define FOO x ? (x) : x + return FALSE; + s = cin_skipcomment(s); + if (*s == NUL) + return FALSE; + + cpp_base_class = lookfor_ctor_init = class_or_struct = FALSE; + + // Search for a line starting with '#', empty, ending in ';' or containing + // '{' or '}' and start below it. This handles the following situations: + // a = cond ? + // func() : + // asdf; + // func::foo() + // : something + // {} + // Foo::Foo (int one, int two) + // : something(4), + // somethingelse(3) + // {} + while (lnum > 1) + { + line = ml_get(lnum - 1); + s = skipwhite(line); + if (*s == '#' || *s == NUL) + break; + while (*s != NUL) + { + s = cin_skipcomment(s); + if (*s == '{' || *s == '}' + || (*s == ';' && cin_nocode(s + 1))) + break; + if (*s != NUL) + ++s; + } + if (*s != NUL) + break; + --lnum; + } + + pos->lnum = lnum; + line = ml_get(lnum); + s = line; + for (;;) + { + if (*s == NUL) + { + if (lnum == curwin->w_cursor.lnum) + break; + // Continue in the cursor line. + line = ml_get(++lnum); + s = line; + } + if (s == line) + { + // don't recognize "case (foo):" as a baseclass + if (cin_iscase(s, FALSE)) + break; + s = cin_skipcomment(line); + if (*s == NUL) + continue; + } + + if (s[0] == '"' || (s[0] == 'R' && s[1] == '"')) + s = skip_string(s) + 1; + else if (s[0] == ':') + { + if (s[1] == ':') + { + // skip double colon. It can't be a constructor + // initialization any more + lookfor_ctor_init = FALSE; + s = cin_skipcomment(s + 2); + } + else if (lookfor_ctor_init || class_or_struct) + { + // we have something found, that looks like the start of + // cpp-base-class-declaration or constructor-initialization + cpp_base_class = TRUE; + lookfor_ctor_init = class_or_struct = FALSE; + pos->col = 0; + s = cin_skipcomment(s + 1); + } + else + s = cin_skipcomment(s + 1); + } + else if ((STRNCMP(s, "class", 5) == 0 && !vim_isIDc(s[5])) + || (STRNCMP(s, "struct", 6) == 0 && !vim_isIDc(s[6]))) + { + class_or_struct = TRUE; + lookfor_ctor_init = FALSE; + + if (*s == 'c') + s = cin_skipcomment(s + 5); + else + s = cin_skipcomment(s + 6); + } + else + { + if (s[0] == '{' || s[0] == '}' || s[0] == ';') + { + cpp_base_class = lookfor_ctor_init = class_or_struct = FALSE; + } + else if (s[0] == ')') + { + // Constructor-initialization is assumed if we come across + // something like "):" + class_or_struct = FALSE; + lookfor_ctor_init = TRUE; + } + else if (s[0] == '?') + { + // Avoid seeing '() :' after '?' as constructor init. + return FALSE; + } + else if (!vim_isIDc(s[0])) + { + // if it is not an identifier, we are wrong + class_or_struct = FALSE; + lookfor_ctor_init = FALSE; + } + else if (pos->col == 0) + { + // it can't be a constructor-initialization any more + lookfor_ctor_init = FALSE; + + // the first statement starts here: lineup with this one... + if (cpp_base_class) + pos->col = (colnr_T)(s - line); + } + + // When the line ends in a comma don't align with it. + if (lnum == curwin->w_cursor.lnum && *s == ',' && cin_nocode(s + 1)) + pos->col = 0; + + s = cin_skipcomment(s + 1); + } + } + + cached->found = cpp_base_class; + if (cpp_base_class) + pos->lnum = lnum; + return cpp_base_class; +} + + static int +get_baseclass_amount(int col) +{ + int amount; + colnr_T vcol; + pos_T *trypos; + + if (col == 0) + { + amount = get_indent(); + if (find_last_paren(ml_get_curline(), '(', ')') + && (trypos = find_match_paren(curbuf->b_ind_maxparen)) != NULL) + amount = get_indent_lnum(trypos->lnum); // XXX + if (!cin_ends_in(ml_get_curline(), (char_u *)",", NULL)) + amount += curbuf->b_ind_cpp_baseclass; + } + else + { + curwin->w_cursor.col = col; + getvcol(curwin, &curwin->w_cursor, &vcol, NULL, NULL); + amount = (int)vcol; + } + if (amount < curbuf->b_ind_cpp_baseclass) + amount = curbuf->b_ind_cpp_baseclass; + return amount; +} + +/* + * Find the '{' at the start of the block we are in. + * Return NULL if no match found. + * Ignore a '{' that is in a comment, makes indenting the next three lines + * work. + */ +/* foo() */ +/* { */ +/* } */ + + static pos_T * +find_start_brace(void) // XXX +{ + pos_T cursor_save; + pos_T *trypos; + pos_T *pos; + static pos_T pos_copy; + + cursor_save = curwin->w_cursor; + while ((trypos = findmatchlimit(NULL, '{', FM_BLOCKSTOP, 0)) != NULL) + { + pos_copy = *trypos; // copy pos_T, next findmatch will change it + trypos = &pos_copy; + curwin->w_cursor = *trypos; + pos = NULL; + // ignore the { if it's in a // or / * * / comment + if ((colnr_T)cin_skip2pos(trypos) == trypos->col + && (pos = ind_find_start_CORS(NULL)) == NULL) // XXX + break; + if (pos != NULL) + curwin->w_cursor.lnum = pos->lnum; + } + curwin->w_cursor = cursor_save; + return trypos; +} + +/* + * Find the matching '(', ignoring it if it is in a comment or before an + * unmatched {. + * Return NULL if no match found. + */ + static pos_T * +find_match_paren_after_brace (int ind_maxparen) // XXX +{ + pos_T *trypos = find_match_paren(ind_maxparen); + + if (trypos != NULL) + { + pos_T *tryposBrace = find_start_brace(); + + // If both an unmatched '(' and '{' is found. Ignore the '(' + // position if the '{' is further down. + if (tryposBrace != NULL + && (trypos->lnum != tryposBrace->lnum + ? trypos->lnum < tryposBrace->lnum + : trypos->col < tryposBrace->col)) + trypos = NULL; + } + return trypos; +} + +/* + * Return ind_maxparen corrected for the difference in line number between the + * cursor position and "startpos". This makes sure that searching for a + * matching paren above the cursor line doesn't find a match because of + * looking a few lines further. + */ + static int +corr_ind_maxparen(pos_T *startpos) +{ + long n = (long)startpos->lnum - (long)curwin->w_cursor.lnum; + + if (n > 0 && n < curbuf->b_ind_maxparen / 2) + return curbuf->b_ind_maxparen - (int)n; + return curbuf->b_ind_maxparen; +} + +/* + * Parse 'cinoptions' and set the values in "curbuf". + * Must be called when 'cinoptions', 'shiftwidth' and/or 'tabstop' changes. + */ + void +parse_cino(buf_T *buf) +{ + char_u *p; + char_u *l; + char_u *digits; + int n; + int divider; + int fraction = 0; + int sw = (int)get_sw_value(buf); + + // Set the default values. + + // Spaces from a block's opening brace the prevailing indent for that + // block should be. + buf->b_ind_level = sw; + + // Spaces from the edge of the line an open brace that's at the end of a + // line is imagined to be. + buf->b_ind_open_imag = 0; + + // Spaces from the prevailing indent for a line that is not preceded by + // an opening brace. + buf->b_ind_no_brace = 0; + + // Column where the first { of a function should be located }. + buf->b_ind_first_open = 0; + + // Spaces from the prevailing indent a leftmost open brace should be + // located. + buf->b_ind_open_extra = 0; + + // Spaces from the matching open brace (real location for one at the left + // edge; imaginary location from one that ends a line) the matching close + // brace should be located. + buf->b_ind_close_extra = 0; + + // Spaces from the edge of the line an open brace sitting in the leftmost + // column is imagined to be. + buf->b_ind_open_left_imag = 0; + + // Spaces jump labels should be shifted to the left if N is non-negative, + // otherwise the jump label will be put to column 1. + buf->b_ind_jump_label = -1; + + // Spaces from the switch() indent a "case xx" label should be located. + buf->b_ind_case = sw; + + // Spaces from the "case xx:" code after a switch() should be located. + buf->b_ind_case_code = sw; + + // Lineup break at end of case in switch() with case label. + buf->b_ind_case_break = 0; + + // Spaces from the class declaration indent a scope declaration label + // should be located. + buf->b_ind_scopedecl = sw; + + // Spaces from the scope declaration label code should be located. + buf->b_ind_scopedecl_code = sw; + + // Amount K&R-style parameters should be indented. + buf->b_ind_param = sw; + + // Amount a function type spec should be indented. + buf->b_ind_func_type = sw; + + // Amount a cpp base class declaration or constructor initialization + // should be indented. + buf->b_ind_cpp_baseclass = sw; + + // additional spaces beyond the prevailing indent a continuation line + // should be located. + buf->b_ind_continuation = sw; + + // Spaces from the indent of the line with an unclosed parentheses. + buf->b_ind_unclosed = sw * 2; + + // Spaces from the indent of the line with an unclosed parentheses, which + // itself is also unclosed. + buf->b_ind_unclosed2 = sw; + + // Suppress ignoring spaces from the indent of a line starting with an + // unclosed parentheses. + buf->b_ind_unclosed_noignore = 0; + + // If the opening paren is the last nonwhite character on the line, and + // b_ind_unclosed_wrapped is nonzero, use this indent relative to the outer + // context (for very long lines). + buf->b_ind_unclosed_wrapped = 0; + + // Suppress ignoring white space when lining up with the character after + // an unclosed parentheses. + buf->b_ind_unclosed_whiteok = 0; + + // Indent a closing parentheses under the line start of the matching + // opening parentheses. + buf->b_ind_matching_paren = 0; + + // Indent a closing parentheses under the previous line. + buf->b_ind_paren_prev = 0; + + // Extra indent for comments. + buf->b_ind_comment = 0; + + // Spaces from the comment opener when there is nothing after it. + buf->b_ind_in_comment = 3; + + // Boolean: if non-zero, use b_ind_in_comment even if there is something + // after the comment opener. + buf->b_ind_in_comment2 = 0; + + // Max lines to search for an open paren. + buf->b_ind_maxparen = 20; + + // Max lines to search for an open comment. + buf->b_ind_maxcomment = 70; + + // Handle braces for java code. + buf->b_ind_java = 0; + + // Not to confuse JS object properties with labels. + buf->b_ind_js = 0; + + // Handle blocked cases correctly. + buf->b_ind_keep_case_label = 0; + + // Handle C++ namespace. + buf->b_ind_cpp_namespace = 0; + + // Handle continuation lines containing conditions of if(), for() and + // while(). + buf->b_ind_if_for_while = 0; + + // indentation for # comments + buf->b_ind_hash_comment = 0; + + // Handle C++ extern "C" or "C++" + buf->b_ind_cpp_extern_c = 0; + + for (p = buf->b_p_cino; *p; ) + { + l = p++; + if (*p == '-') + ++p; + digits = p; // remember where the digits start + n = getdigits(&p); + divider = 0; + if (*p == '.') // ".5s" means a fraction + { + fraction = atol((char *)++p); + while (VIM_ISDIGIT(*p)) + { + ++p; + if (divider) + divider *= 10; + else + divider = 10; + } + } + if (*p == 's') // "2s" means two times 'shiftwidth' + { + if (p == digits) + n = sw; // just "s" is one 'shiftwidth' + else + { + n *= sw; + if (divider) + n += (sw * fraction + divider / 2) / divider; + } + ++p; + } + if (l[1] == '-') + n = -n; + + // When adding an entry here, also update the default 'cinoptions' in + // doc/indent.txt, and add explanation for it! + switch (*l) + { + case '>': buf->b_ind_level = n; break; + case 'e': buf->b_ind_open_imag = n; break; + case 'n': buf->b_ind_no_brace = n; break; + case 'f': buf->b_ind_first_open = n; break; + case '{': buf->b_ind_open_extra = n; break; + case '}': buf->b_ind_close_extra = n; break; + case '^': buf->b_ind_open_left_imag = n; break; + case 'L': buf->b_ind_jump_label = n; break; + case ':': buf->b_ind_case = n; break; + case '=': buf->b_ind_case_code = n; break; + case 'b': buf->b_ind_case_break = n; break; + case 'p': buf->b_ind_param = n; break; + case 't': buf->b_ind_func_type = n; break; + case '/': buf->b_ind_comment = n; break; + case 'c': buf->b_ind_in_comment = n; break; + case 'C': buf->b_ind_in_comment2 = n; break; + case 'i': buf->b_ind_cpp_baseclass = n; break; + case '+': buf->b_ind_continuation = n; break; + case '(': buf->b_ind_unclosed = n; break; + case 'u': buf->b_ind_unclosed2 = n; break; + case 'U': buf->b_ind_unclosed_noignore = n; break; + case 'W': buf->b_ind_unclosed_wrapped = n; break; + case 'w': buf->b_ind_unclosed_whiteok = n; break; + case 'm': buf->b_ind_matching_paren = n; break; + case 'M': buf->b_ind_paren_prev = n; break; + case ')': buf->b_ind_maxparen = n; break; + case '*': buf->b_ind_maxcomment = n; break; + case 'g': buf->b_ind_scopedecl = n; break; + case 'h': buf->b_ind_scopedecl_code = n; break; + case 'j': buf->b_ind_java = n; break; + case 'J': buf->b_ind_js = n; break; + case 'l': buf->b_ind_keep_case_label = n; break; + case '#': buf->b_ind_hash_comment = n; break; + case 'N': buf->b_ind_cpp_namespace = n; break; + case 'k': buf->b_ind_if_for_while = n; break; + case 'E': buf->b_ind_cpp_extern_c = n; break; + } + if (*p == ',') + ++p; + } +} + + static int +find_match(int lookfor, linenr_T ourscope) +{ + char_u *look; + pos_T *theirscope; + char_u *mightbeif; + int elselevel; + int whilelevel; + + if (lookfor == LOOKFOR_IF) + { + elselevel = 1; + whilelevel = 0; + } + else + { + elselevel = 0; + whilelevel = 1; + } + + curwin->w_cursor.col = 0; + + while (curwin->w_cursor.lnum > ourscope + 1) + { + curwin->w_cursor.lnum--; + curwin->w_cursor.col = 0; + + look = cin_skipcomment(ml_get_curline()); + if (cin_iselse(look) + || cin_isif(look) + || cin_isdo(look) // XXX + || cin_iswhileofdo(look, curwin->w_cursor.lnum)) + { + // if we've gone outside the braces entirely, + // we must be out of scope... + theirscope = find_start_brace(); // XXX + if (theirscope == NULL) + break; + + // and if the brace enclosing this is further + // back than the one enclosing the else, we're + // out of luck too. + if (theirscope->lnum < ourscope) + break; + + // and if they're enclosed in a *deeper* brace, + // then we can ignore it because it's in a + // different scope... + if (theirscope->lnum > ourscope) + continue; + + // if it was an "else" (that's not an "else if") + // then we need to go back to another if, so + // increment elselevel + look = cin_skipcomment(ml_get_curline()); + if (cin_iselse(look)) + { + mightbeif = cin_skipcomment(look + 4); + if (!cin_isif(mightbeif)) + ++elselevel; + continue; + } + + // if it was a "while" then we need to go back to + // another "do", so increment whilelevel. XXX + if (cin_iswhileofdo(look, curwin->w_cursor.lnum)) + { + ++whilelevel; + continue; + } + + // If it's an "if" decrement elselevel + look = cin_skipcomment(ml_get_curline()); + if (cin_isif(look)) + { + elselevel--; + // When looking for an "if" ignore "while"s that + // get in the way. + if (elselevel == 0 && lookfor == LOOKFOR_IF) + whilelevel = 0; + } + + // If it's a "do" decrement whilelevel + if (cin_isdo(look)) + whilelevel--; + + // if we've used up all the elses, then + // this must be the if that we want! + // match the indent level of that if. + if (elselevel <= 0 && whilelevel <= 0) + return OK; + } + } + return FAIL; +} + +/* + * Return the desired indent for C code. + * Return -1 if the indent should be left alone (inside a raw string). + */ + int +get_c_indent(void) +{ + pos_T cur_curpos; + int amount; + int scope_amount; + int cur_amount = MAXCOL; + colnr_T col; + char_u *theline; + char_u *linecopy; + pos_T *trypos; + pos_T *comment_pos; + pos_T *tryposBrace = NULL; + pos_T tryposCopy; + pos_T our_paren_pos; + char_u *start; + int start_brace; +#define BRACE_IN_COL0 1 // '{' is in column 0 +#define BRACE_AT_START 2 // '{' is at start of line +#define BRACE_AT_END 3 // '{' is at end of line + linenr_T ourscope; + char_u *l; + char_u *look; + char_u terminated; + int lookfor; + int whilelevel; + linenr_T lnum; + int n; + int iscase; + int lookfor_break; + int lookfor_cpp_namespace = FALSE; + int cont_amount = 0; // amount for continuation line + int original_line_islabel; + int added_to_amount = 0; + int js_cur_has_key = 0; + linenr_T raw_string_start = 0; + cpp_baseclass_cache_T cache_cpp_baseclass = { FALSE, { MAXLNUM, 0 } }; + + // make a copy, value is changed below + int ind_continuation = curbuf->b_ind_continuation; + + // remember where the cursor was when we started + cur_curpos = curwin->w_cursor; + + // if we are at line 1 zero indent is fine, right? + if (cur_curpos.lnum == 1) + return 0; + + // Get a copy of the current contents of the line. + // This is required, because only the most recent line obtained with + // ml_get is valid! + linecopy = vim_strsave(ml_get(cur_curpos.lnum)); + if (linecopy == NULL) + return 0; + + // In insert mode and the cursor is on a ')' truncate the line at the + // cursor position. We don't want to line up with the matching '(' when + // inserting new stuff. + // For unknown reasons the cursor might be past the end of the line, thus + // check for that. + if ((State & INSERT) + && curwin->w_cursor.col < (colnr_T)STRLEN(linecopy) + && linecopy[curwin->w_cursor.col] == ')') + linecopy[curwin->w_cursor.col] = NUL; + + theline = skipwhite(linecopy); + + // move the cursor to the start of the line + + curwin->w_cursor.col = 0; + + original_line_islabel = cin_islabel(); // XXX + + // If we are inside a raw string don't change the indent. + // Ignore a raw string inside a comment. + comment_pos = ind_find_start_comment(); + if (comment_pos != NULL) + { + // findmatchlimit() static pos is overwritten, make a copy + tryposCopy = *comment_pos; + comment_pos = &tryposCopy; + } + trypos = find_start_rawstring(curbuf->b_ind_maxcomment); + if (trypos != NULL && (comment_pos == NULL + || LT_POS(*trypos, *comment_pos))) + { + amount = -1; + goto laterend; + } + + // #defines and so on always go at the left when included in 'cinkeys'. + if (*theline == '#' && (*linecopy == '#' || in_cinkeys('#', ' ', TRUE))) + { + amount = curbuf->b_ind_hash_comment; + goto theend; + } + + // Is it a non-case label? Then that goes at the left margin too unless: + // - JS flag is set. + // - 'L' item has a positive value. + if (original_line_islabel && !curbuf->b_ind_js + && curbuf->b_ind_jump_label < 0) + { + amount = 0; + goto theend; + } + + // If we're inside a "//" comment and there is a "//" comment in a + // previous line, lineup with that one. + if (cin_islinecomment(theline) + && (trypos = find_line_comment()) != NULL) // XXX + { + // find how indented the line beginning the comment is + getvcol(curwin, trypos, &col, NULL, NULL); + amount = col; + goto theend; + } + + // If we're inside a comment and not looking at the start of the + // comment, try using the 'comments' option. + if (!cin_iscomment(theline) && comment_pos != NULL) // XXX + { + int lead_start_len = 2; + int lead_middle_len = 1; + char_u lead_start[COM_MAX_LEN]; // start-comment string + char_u lead_middle[COM_MAX_LEN]; // middle-comment string + char_u lead_end[COM_MAX_LEN]; // end-comment string + char_u *p; + int start_align = 0; + int start_off = 0; + int done = FALSE; + + // find how indented the line beginning the comment is + getvcol(curwin, comment_pos, &col, NULL, NULL); + amount = col; + *lead_start = NUL; + *lead_middle = NUL; + + p = curbuf->b_p_com; + while (*p != NUL) + { + int align = 0; + int off = 0; + int what = 0; + + while (*p != NUL && *p != ':') + { + if (*p == COM_START || *p == COM_END || *p == COM_MIDDLE) + what = *p++; + else if (*p == COM_LEFT || *p == COM_RIGHT) + align = *p++; + else if (VIM_ISDIGIT(*p) || *p == '-') + off = getdigits(&p); + else + ++p; + } + + if (*p == ':') + ++p; + (void)copy_option_part(&p, lead_end, COM_MAX_LEN, ","); + if (what == COM_START) + { + STRCPY(lead_start, lead_end); + lead_start_len = (int)STRLEN(lead_start); + start_off = off; + start_align = align; + } + else if (what == COM_MIDDLE) + { + STRCPY(lead_middle, lead_end); + lead_middle_len = (int)STRLEN(lead_middle); + } + else if (what == COM_END) + { + // If our line starts with the middle comment string, line it + // up with the comment opener per the 'comments' option. + if (STRNCMP(theline, lead_middle, lead_middle_len) == 0 + && STRNCMP(theline, lead_end, STRLEN(lead_end)) != 0) + { + done = TRUE; + if (curwin->w_cursor.lnum > 1) + { + // If the start comment string matches in the previous + // line, use the indent of that line plus offset. If + // the middle comment string matches in the previous + // line, use the indent of that line. XXX + look = skipwhite(ml_get(curwin->w_cursor.lnum - 1)); + if (STRNCMP(look, lead_start, lead_start_len) == 0) + amount = get_indent_lnum(curwin->w_cursor.lnum - 1); + else if (STRNCMP(look, lead_middle, + lead_middle_len) == 0) + { + amount = get_indent_lnum(curwin->w_cursor.lnum - 1); + break; + } + // If the start comment string doesn't match with the + // start of the comment, skip this entry. XXX + else if (STRNCMP(ml_get(comment_pos->lnum) + comment_pos->col, + lead_start, lead_start_len) != 0) + continue; + } + if (start_off != 0) + amount += start_off; + else if (start_align == COM_RIGHT) + amount += vim_strsize(lead_start) + - vim_strsize(lead_middle); + break; + } + + // If our line starts with the end comment string, line it up + // with the middle comment + if (STRNCMP(theline, lead_middle, lead_middle_len) != 0 + && STRNCMP(theline, lead_end, STRLEN(lead_end)) == 0) + { + amount = get_indent_lnum(curwin->w_cursor.lnum - 1); + // XXX + if (off != 0) + amount += off; + else if (align == COM_RIGHT) + amount += vim_strsize(lead_start) + - vim_strsize(lead_middle); + done = TRUE; + break; + } + } + } + + // If our line starts with an asterisk, line up with the + // asterisk in the comment opener; otherwise, line up + // with the first character of the comment text. + if (done) + ; + else if (theline[0] == '*') + amount += 1; + else + { + // If we are more than one line away from the comment opener, take + // the indent of the previous non-empty line. If 'cino' has "CO" + // and we are just below the comment opener and there are any + // white characters after it line up with the text after it; + // otherwise, add the amount specified by "c" in 'cino' + amount = -1; + for (lnum = cur_curpos.lnum - 1; lnum > comment_pos->lnum; --lnum) + { + if (linewhite(lnum)) // skip blank lines + continue; + amount = get_indent_lnum(lnum); // XXX + break; + } + if (amount == -1) // use the comment opener + { + if (!curbuf->b_ind_in_comment2) + { + start = ml_get(comment_pos->lnum); + look = start + comment_pos->col + 2; // skip / and * + if (*look != NUL) // if something after it + comment_pos->col = (colnr_T)(skipwhite(look) - start); + } + getvcol(curwin, comment_pos, &col, NULL, NULL); + amount = col; + if (curbuf->b_ind_in_comment2 || *look == NUL) + amount += curbuf->b_ind_in_comment; + } + } + goto theend; + } + + // Are we looking at a ']' that has a match? + if (*skipwhite(theline) == ']' + && (trypos = find_match_char('[', curbuf->b_ind_maxparen)) != NULL) + { + // align with the line containing the '['. + amount = get_indent_lnum(trypos->lnum); + goto theend; + } + + // Are we inside parentheses or braces? XXX + if (((trypos = find_match_paren(curbuf->b_ind_maxparen)) != NULL + && curbuf->b_ind_java == 0) + || (tryposBrace = find_start_brace()) != NULL + || trypos != NULL) + { + if (trypos != NULL && tryposBrace != NULL) + { + // Both an unmatched '(' and '{' is found. Use the one which is + // closer to the current cursor position, set the other to NULL. + if (trypos->lnum != tryposBrace->lnum + ? trypos->lnum < tryposBrace->lnum + : trypos->col < tryposBrace->col) + trypos = NULL; + else + tryposBrace = NULL; + } + + if (trypos != NULL) + { + // If the matching paren is more than one line away, use the indent of + // a previous non-empty line that matches the same paren. + if (theline[0] == ')' && curbuf->b_ind_paren_prev) + { + // Line up with the start of the matching paren line. + amount = get_indent_lnum(curwin->w_cursor.lnum - 1); // XXX + } + else + { + amount = -1; + our_paren_pos = *trypos; + for (lnum = cur_curpos.lnum - 1; lnum > our_paren_pos.lnum; --lnum) + { + l = skipwhite(ml_get(lnum)); + if (cin_nocode(l)) // skip comment lines + continue; + if (cin_ispreproc_cont(&l, &lnum, &amount)) + continue; // ignore #define, #if, etc. + curwin->w_cursor.lnum = lnum; + + // Skip a comment or raw string. XXX + if ((trypos = ind_find_start_CORS(NULL)) != NULL) + { + lnum = trypos->lnum + 1; + continue; + } + + // XXX + if ((trypos = find_match_paren( + corr_ind_maxparen(&cur_curpos))) != NULL + && trypos->lnum == our_paren_pos.lnum + && trypos->col == our_paren_pos.col) + { + amount = get_indent_lnum(lnum); // XXX + + if (theline[0] == ')') + { + if (our_paren_pos.lnum != lnum + && cur_amount > amount) + cur_amount = amount; + amount = -1; + } + break; + } + } + } + + // Line up with line where the matching paren is. XXX + // If the line starts with a '(' or the indent for unclosed + // parentheses is zero, line up with the unclosed parentheses. + if (amount == -1) + { + int ignore_paren_col = 0; + int is_if_for_while = 0; + + if (curbuf->b_ind_if_for_while) + { + // Look for the outermost opening parenthesis on this line + // and check whether it belongs to an "if", "for" or "while". + + pos_T cursor_save = curwin->w_cursor; + pos_T outermost; + char_u *line; + + trypos = &our_paren_pos; + do { + outermost = *trypos; + curwin->w_cursor.lnum = outermost.lnum; + curwin->w_cursor.col = outermost.col; + + trypos = find_match_paren(curbuf->b_ind_maxparen); + } while (trypos && trypos->lnum == outermost.lnum); + + curwin->w_cursor = cursor_save; + + line = ml_get(outermost.lnum); + + is_if_for_while = + cin_is_if_for_while_before_offset(line, &outermost.col); + } + + amount = skip_label(our_paren_pos.lnum, &look); + look = skipwhite(look); + if (*look == '(') + { + linenr_T save_lnum = curwin->w_cursor.lnum; + char_u *line; + int look_col; + + // Ignore a '(' in front of the line that has a match before + // our matching '('. + curwin->w_cursor.lnum = our_paren_pos.lnum; + line = ml_get_curline(); + look_col = (int)(look - line); + curwin->w_cursor.col = look_col + 1; + if ((trypos = findmatchlimit(NULL, ')', 0, + curbuf->b_ind_maxparen)) + != NULL + && trypos->lnum == our_paren_pos.lnum + && trypos->col < our_paren_pos.col) + ignore_paren_col = trypos->col + 1; + + curwin->w_cursor.lnum = save_lnum; + look = ml_get(our_paren_pos.lnum) + look_col; + } + if (theline[0] == ')' || (curbuf->b_ind_unclosed == 0 + && is_if_for_while == 0) + || (!curbuf->b_ind_unclosed_noignore && *look == '(' + && ignore_paren_col == 0)) + { + // If we're looking at a close paren, line up right there; + // otherwise, line up with the next (non-white) character. + // When b_ind_unclosed_wrapped is set and the matching paren is + // the last nonwhite character of the line, use either the + // indent of the current line or the indentation of the next + // outer paren and add b_ind_unclosed_wrapped (for very long + // lines). + if (theline[0] != ')') + { + cur_amount = MAXCOL; + l = ml_get(our_paren_pos.lnum); + if (curbuf->b_ind_unclosed_wrapped + && cin_ends_in(l, (char_u *)"(", NULL)) + { + // look for opening unmatched paren, indent one level + // for each additional level + n = 1; + for (col = 0; col < our_paren_pos.col; ++col) + { + switch (l[col]) + { + case '(': + case '{': ++n; + break; + + case ')': + case '}': if (n > 1) + --n; + break; + } + } + + our_paren_pos.col = 0; + amount += n * curbuf->b_ind_unclosed_wrapped; + } + else if (curbuf->b_ind_unclosed_whiteok) + our_paren_pos.col++; + else + { + col = our_paren_pos.col + 1; + while (VIM_ISWHITE(l[col])) + col++; + if (l[col] != NUL) // In case of trailing space + our_paren_pos.col = col; + else + our_paren_pos.col++; + } + } + + // Find how indented the paren is, or the character after it + // if we did the above "if". + if (our_paren_pos.col > 0) + { + getvcol(curwin, &our_paren_pos, &col, NULL, NULL); + if (cur_amount > (int)col) + cur_amount = col; + } + } + + if (theline[0] == ')' && curbuf->b_ind_matching_paren) + { + // Line up with the start of the matching paren line. + } + else if ((curbuf->b_ind_unclosed == 0 && is_if_for_while == 0) + || (!curbuf->b_ind_unclosed_noignore + && *look == '(' && ignore_paren_col == 0)) + { + if (cur_amount != MAXCOL) + amount = cur_amount; + } + else + { + // Add b_ind_unclosed2 for each '(' before our matching one, + // but ignore (void) before the line (ignore_paren_col). + col = our_paren_pos.col; + while ((int)our_paren_pos.col > ignore_paren_col) + { + --our_paren_pos.col; + switch (*ml_get_pos(&our_paren_pos)) + { + case '(': amount += curbuf->b_ind_unclosed2; + col = our_paren_pos.col; + break; + case ')': amount -= curbuf->b_ind_unclosed2; + col = MAXCOL; + break; + } + } + + // Use b_ind_unclosed once, when the first '(' is not inside + // braces + if (col == MAXCOL) + amount += curbuf->b_ind_unclosed; + else + { + curwin->w_cursor.lnum = our_paren_pos.lnum; + curwin->w_cursor.col = col; + if (find_match_paren_after_brace(curbuf->b_ind_maxparen) + != NULL) + amount += curbuf->b_ind_unclosed2; + else + { + if (is_if_for_while) + amount += curbuf->b_ind_if_for_while; + else + amount += curbuf->b_ind_unclosed; + } + } + // For a line starting with ')' use the minimum of the two + // positions, to avoid giving it more indent than the previous + // lines: + // func_long_name( if (x + // arg && yy + // ) ^ not here ) ^ not here + if (cur_amount < amount) + amount = cur_amount; + } + } + + // add extra indent for a comment + if (cin_iscomment(theline)) + amount += curbuf->b_ind_comment; + } + else + { + // We are inside braces, there is a { before this line at the position + // stored in tryposBrace. + // Make a copy of tryposBrace, it may point to pos_copy inside + // find_start_brace(), which may be changed somewhere. + tryposCopy = *tryposBrace; + tryposBrace = &tryposCopy; + trypos = tryposBrace; + ourscope = trypos->lnum; + start = ml_get(ourscope); + + // Now figure out how indented the line is in general. + // If the brace was at the start of the line, we use that; + // otherwise, check out the indentation of the line as + // a whole and then add the "imaginary indent" to that. + look = skipwhite(start); + if (*look == '{') + { + getvcol(curwin, trypos, &col, NULL, NULL); + amount = col; + if (*start == '{') + start_brace = BRACE_IN_COL0; + else + start_brace = BRACE_AT_START; + } + else + { + // That opening brace might have been on a continuation + // line. if so, find the start of the line. + curwin->w_cursor.lnum = ourscope; + + // Position the cursor over the rightmost paren, so that + // matching it will take us back to the start of the line. + lnum = ourscope; + if (find_last_paren(start, '(', ')') + && (trypos = find_match_paren(curbuf->b_ind_maxparen)) + != NULL) + lnum = trypos->lnum; + + // It could have been something like + // case 1: if (asdf && + // ldfd) { + // } + if ((curbuf->b_ind_js || curbuf->b_ind_keep_case_label) + && cin_iscase(skipwhite(ml_get_curline()), FALSE)) + amount = get_indent(); + else if (curbuf->b_ind_js) + amount = get_indent_lnum(lnum); + else + amount = skip_label(lnum, &l); + + start_brace = BRACE_AT_END; + } + + // For Javascript check if the line starts with "key:". + if (curbuf->b_ind_js) + js_cur_has_key = cin_has_js_key(theline); + + // If we're looking at a closing brace, that's where + // we want to be. otherwise, add the amount of room + // that an indent is supposed to be. + if (theline[0] == '}') + { + // they may want closing braces to line up with something + // other than the open brace. indulge them, if so. + amount += curbuf->b_ind_close_extra; + } + else + { + // If we're looking at an "else", try to find an "if" + // to match it with. + // If we're looking at a "while", try to find a "do" + // to match it with. + lookfor = LOOKFOR_INITIAL; + if (cin_iselse(theline)) + lookfor = LOOKFOR_IF; + else if (cin_iswhileofdo(theline, cur_curpos.lnum)) // XXX + lookfor = LOOKFOR_DO; + if (lookfor != LOOKFOR_INITIAL) + { + curwin->w_cursor.lnum = cur_curpos.lnum; + if (find_match(lookfor, ourscope) == OK) + { + amount = get_indent(); // XXX + goto theend; + } + } + + // We get here if we are not on an "while-of-do" or "else" (or + // failed to find a matching "if"). + // Search backwards for something to line up with. + // First set amount for when we don't find anything. + + // if the '{' is _really_ at the left margin, use the imaginary + // location of a left-margin brace. Otherwise, correct the + // location for b_ind_open_extra. + + if (start_brace == BRACE_IN_COL0) // '{' is in column 0 + { + amount = curbuf->b_ind_open_left_imag; + lookfor_cpp_namespace = TRUE; + } + else if (start_brace == BRACE_AT_START && + lookfor_cpp_namespace) // '{' is at start + { + + lookfor_cpp_namespace = TRUE; + } + else + { + if (start_brace == BRACE_AT_END) // '{' is at end of line + { + amount += curbuf->b_ind_open_imag; + + l = skipwhite(ml_get_curline()); + if (cin_is_cpp_namespace(l)) + amount += curbuf->b_ind_cpp_namespace; + else if (cin_is_cpp_extern_c(l)) + amount += curbuf->b_ind_cpp_extern_c; + } + else + { + // Compensate for adding b_ind_open_extra later. + amount -= curbuf->b_ind_open_extra; + if (amount < 0) + amount = 0; + } + } + + lookfor_break = FALSE; + + if (cin_iscase(theline, FALSE)) // it's a switch() label + { + lookfor = LOOKFOR_CASE; // find a previous switch() label + amount += curbuf->b_ind_case; + } + else if (cin_isscopedecl(theline)) // private:, ... + { + lookfor = LOOKFOR_SCOPEDECL; // class decl is this block + amount += curbuf->b_ind_scopedecl; + } + else + { + if (curbuf->b_ind_case_break && cin_isbreak(theline)) + // break; ... + lookfor_break = TRUE; + + lookfor = LOOKFOR_INITIAL; + // b_ind_level from start of block + amount += curbuf->b_ind_level; + } + scope_amount = amount; + whilelevel = 0; + + // Search backwards. If we find something we recognize, line up + // with that. + // + // If we're looking at an open brace, indent + // the usual amount relative to the conditional + // that opens the block. + curwin->w_cursor = cur_curpos; + for (;;) + { + curwin->w_cursor.lnum--; + curwin->w_cursor.col = 0; + + // If we went all the way back to the start of our scope, line + // up with it. + if (curwin->w_cursor.lnum <= ourscope) + { + // We reached end of scope: + // If looking for a enum or structure initialization + // go further back: + // If it is an initializer (enum xxx or xxx =), then + // don't add ind_continuation, otherwise it is a variable + // declaration: + // int x, + // here; <-- add ind_continuation + if (lookfor == LOOKFOR_ENUM_OR_INIT) + { + if (curwin->w_cursor.lnum == 0 + || curwin->w_cursor.lnum + < ourscope - curbuf->b_ind_maxparen) + { + // nothing found (abuse curbuf->b_ind_maxparen as + // limit) assume terminated line (i.e. a variable + // initialization) + if (cont_amount > 0) + amount = cont_amount; + else if (!curbuf->b_ind_js) + amount += ind_continuation; + break; + } + + l = ml_get_curline(); + + // If we're in a comment or raw string now, skip to + // the start of it. + trypos = ind_find_start_CORS(NULL); + if (trypos != NULL) + { + curwin->w_cursor.lnum = trypos->lnum + 1; + curwin->w_cursor.col = 0; + continue; + } + + // Skip preprocessor directives and blank lines. + if (cin_ispreproc_cont(&l, &curwin->w_cursor.lnum, + &amount)) + continue; + + if (cin_nocode(l)) + continue; + + terminated = cin_isterminated(l, FALSE, TRUE); + + // If we are at top level and the line looks like a + // function declaration, we are done + // (it's a variable declaration). + if (start_brace != BRACE_IN_COL0 + || !cin_isfuncdecl(&l, curwin->w_cursor.lnum, 0)) + { + // if the line is terminated with another ',' + // it is a continued variable initialization. + // don't add extra indent. + // TODO: does not work, if a function + // declaration is split over multiple lines: + // cin_isfuncdecl returns FALSE then. + if (terminated == ',') + break; + + // if it es a enum declaration or an assignment, + // we are done. + if (terminated != ';' && cin_isinit()) + break; + + // nothing useful found + if (terminated == 0 || terminated == '{') + continue; + } + + if (terminated != ';') + { + // Skip parens and braces. Position the cursor + // over the rightmost paren, so that matching it + // will take us back to the start of the line. + // XXX + trypos = NULL; + if (find_last_paren(l, '(', ')')) + trypos = find_match_paren( + curbuf->b_ind_maxparen); + + if (trypos == NULL && find_last_paren(l, '{', '}')) + trypos = find_start_brace(); + + if (trypos != NULL) + { + curwin->w_cursor.lnum = trypos->lnum + 1; + curwin->w_cursor.col = 0; + continue; + } + } + + // it's a variable declaration, add indentation + // like in + // int a, + // b; + if (cont_amount > 0) + amount = cont_amount; + else + amount += ind_continuation; + } + else if (lookfor == LOOKFOR_UNTERM) + { + if (cont_amount > 0) + amount = cont_amount; + else + amount += ind_continuation; + } + else + { + if (lookfor != LOOKFOR_TERM + && lookfor != LOOKFOR_CPP_BASECLASS + && lookfor != LOOKFOR_COMMA) + { + amount = scope_amount; + if (theline[0] == '{') + { + amount += curbuf->b_ind_open_extra; + added_to_amount = curbuf->b_ind_open_extra; + } + } + + if (lookfor_cpp_namespace) + { + // Looking for C++ namespace, need to look further + // back. + if (curwin->w_cursor.lnum == ourscope) + continue; + + if (curwin->w_cursor.lnum == 0 + || curwin->w_cursor.lnum + < ourscope - FIND_NAMESPACE_LIM) + break; + + l = ml_get_curline(); + + // If we're in a comment or raw string now, skip + // to the start of it. + trypos = ind_find_start_CORS(NULL); + if (trypos != NULL) + { + curwin->w_cursor.lnum = trypos->lnum + 1; + curwin->w_cursor.col = 0; + continue; + } + + // Skip preprocessor directives and blank lines. + if (cin_ispreproc_cont(&l, &curwin->w_cursor.lnum, + &amount)) + continue; + + // Finally the actual check for "namespace". + if (cin_is_cpp_namespace(l)) + { + amount += curbuf->b_ind_cpp_namespace + - added_to_amount; + break; + } + else if (cin_is_cpp_extern_c(l)) + { + amount += curbuf->b_ind_cpp_extern_c + - added_to_amount; + break; + } + + if (cin_nocode(l)) + continue; + } + } + break; + } + + // If we're in a comment or raw string now, skip to the start + // of it. XXX + if ((trypos = ind_find_start_CORS(&raw_string_start)) != NULL) + { + curwin->w_cursor.lnum = trypos->lnum + 1; + curwin->w_cursor.col = 0; + continue; + } + + l = ml_get_curline(); + + // If this is a switch() label, may line up relative to that. + // If this is a C++ scope declaration, do the same. + iscase = cin_iscase(l, FALSE); + if (iscase || cin_isscopedecl(l)) + { + // we are only looking for cpp base class + // declaration/initialization any longer + if (lookfor == LOOKFOR_CPP_BASECLASS) + break; + + // When looking for a "do" we are not interested in + // labels. + if (whilelevel > 0) + continue; + + // case xx: + // c = 99 + <- this indent plus continuation + //-> here; + if (lookfor == LOOKFOR_UNTERM + || lookfor == LOOKFOR_ENUM_OR_INIT) + { + if (cont_amount > 0) + amount = cont_amount; + else + amount += ind_continuation; + break; + } + + // case xx: <- line up with this case + // x = 333; + // case yy: + if ( (iscase && lookfor == LOOKFOR_CASE) + || (iscase && lookfor_break) + || (!iscase && lookfor == LOOKFOR_SCOPEDECL)) + { + // Check that this case label is not for another + // switch() XXX + if ((trypos = find_start_brace()) == NULL + || trypos->lnum == ourscope) + { + amount = get_indent(); // XXX + break; + } + continue; + } + + n = get_indent_nolabel(curwin->w_cursor.lnum); // XXX + + // case xx: if (cond) <- line up with this if + // y = y + 1; + // -> s = 99; + // + // case xx: + // if (cond) <- line up with this line + // y = y + 1; + // -> s = 99; + if (lookfor == LOOKFOR_TERM) + { + if (n) + amount = n; + + if (!lookfor_break) + break; + } + + // case xx: x = x + 1; <- line up with this x + // -> y = y + 1; + // + // case xx: if (cond) <- line up with this if + // -> y = y + 1; + if (n) + { + amount = n; + l = after_label(ml_get_curline()); + if (l != NULL && cin_is_cinword(l)) + { + if (theline[0] == '{') + amount += curbuf->b_ind_open_extra; + else + amount += curbuf->b_ind_level + + curbuf->b_ind_no_brace; + } + break; + } + + // Try to get the indent of a statement before the switch + // label. If nothing is found, line up relative to the + // switch label. + // break; <- may line up with this line + // case xx: + // -> y = 1; + scope_amount = get_indent() + (iscase // XXX + ? curbuf->b_ind_case_code + : curbuf->b_ind_scopedecl_code); + lookfor = curbuf->b_ind_case_break + ? LOOKFOR_NOBREAK : LOOKFOR_ANY; + continue; + } + + // Looking for a switch() label or C++ scope declaration, + // ignore other lines, skip {}-blocks. + if (lookfor == LOOKFOR_CASE || lookfor == LOOKFOR_SCOPEDECL) + { + if (find_last_paren(l, '{', '}') + && (trypos = find_start_brace()) != NULL) + { + curwin->w_cursor.lnum = trypos->lnum + 1; + curwin->w_cursor.col = 0; + } + continue; + } + + // Ignore jump labels with nothing after them. + if (!curbuf->b_ind_js && cin_islabel()) + { + l = after_label(ml_get_curline()); + if (l == NULL || cin_nocode(l)) + continue; + } + + // Ignore #defines, #if, etc. + // Ignore comment and empty lines. + // (need to get the line again, cin_islabel() may have + // unlocked it) + l = ml_get_curline(); + if (cin_ispreproc_cont(&l, &curwin->w_cursor.lnum, &amount) + || cin_nocode(l)) + continue; + + // Are we at the start of a cpp base class declaration or + // constructor initialization? XXX + n = FALSE; + if (lookfor != LOOKFOR_TERM && curbuf->b_ind_cpp_baseclass > 0) + { + n = cin_is_cpp_baseclass(&cache_cpp_baseclass); + l = ml_get_curline(); + } + if (n) + { + if (lookfor == LOOKFOR_UNTERM) + { + if (cont_amount > 0) + amount = cont_amount; + else + amount += ind_continuation; + } + else if (theline[0] == '{') + { + // Need to find start of the declaration. + lookfor = LOOKFOR_UNTERM; + ind_continuation = 0; + continue; + } + else + // XXX + amount = get_baseclass_amount( + cache_cpp_baseclass.lpos.col); + break; + } + else if (lookfor == LOOKFOR_CPP_BASECLASS) + { + // only look, whether there is a cpp base class + // declaration or initialization before the opening brace. + if (cin_isterminated(l, TRUE, FALSE)) + break; + else + continue; + } + + // What happens next depends on the line being terminated. + // If terminated with a ',' only consider it terminating if + // there is another unterminated statement behind, eg: + // 123, + // sizeof + // here + // Otherwise check whether it is a enumeration or structure + // initialisation (not indented) or a variable declaration + // (indented). + terminated = cin_isterminated(l, FALSE, TRUE); + + if (js_cur_has_key) + { + js_cur_has_key = 0; // only check the first line + if (curbuf->b_ind_js && terminated == ',') + { + // For Javascript we might be inside an object: + // key: something, <- align with this + // key: something + // or: + // key: something + <- align with this + // something, + // key: something + lookfor = LOOKFOR_JS_KEY; + } + } + if (lookfor == LOOKFOR_JS_KEY && cin_has_js_key(l)) + { + amount = get_indent(); + break; + } + if (lookfor == LOOKFOR_COMMA) + { + if (tryposBrace != NULL && tryposBrace->lnum + >= curwin->w_cursor.lnum) + break; + if (terminated == ',') + // line below current line is the one that starts a + // (possibly broken) line ending in a comma. + break; + else + { + amount = get_indent(); + if (curwin->w_cursor.lnum - 1 == ourscope) + // line above is start of the scope, thus current + // line is the one that stars a (possibly broken) + // line ending in a comma. + break; + } + } + + if (terminated == 0 || (lookfor != LOOKFOR_UNTERM + && terminated == ',')) + { + if (lookfor != LOOKFOR_ENUM_OR_INIT && + (*skipwhite(l) == '[' || l[STRLEN(l) - 1] == '[')) + amount += ind_continuation; + // if we're in the middle of a paren thing, + // go back to the line that starts it so + // we can get the right prevailing indent + // if ( foo && + // bar ) + + // Position the cursor over the rightmost paren, so that + // matching it will take us back to the start of the line. + // Ignore a match before the start of the block. + (void)find_last_paren(l, '(', ')'); + trypos = find_match_paren(corr_ind_maxparen(&cur_curpos)); + if (trypos != NULL && (trypos->lnum < tryposBrace->lnum + || (trypos->lnum == tryposBrace->lnum + && trypos->col < tryposBrace->col))) + trypos = NULL; + + // If we are looking for ',', we also look for matching + // braces. + if (trypos == NULL && terminated == ',' + && find_last_paren(l, '{', '}')) + trypos = find_start_brace(); + + if (trypos != NULL) + { + // Check if we are on a case label now. This is + // handled above. + // case xx: if ( asdf && + // asdf) + curwin->w_cursor = *trypos; + l = ml_get_curline(); + if (cin_iscase(l, FALSE) || cin_isscopedecl(l)) + { + ++curwin->w_cursor.lnum; + curwin->w_cursor.col = 0; + continue; + } + } + + // Skip over continuation lines to find the one to get the + // indent from + // char *usethis = "bla{backslash} + // bla", + // here; + if (terminated == ',') + { + while (curwin->w_cursor.lnum > 1) + { + l = ml_get(curwin->w_cursor.lnum - 1); + if (*l == NUL || l[STRLEN(l) - 1] != '\\') + break; + --curwin->w_cursor.lnum; + curwin->w_cursor.col = 0; + } + } + + // Get indent and pointer to text for current line, + // ignoring any jump label. XXX + if (curbuf->b_ind_js) + cur_amount = get_indent(); + else + cur_amount = skip_label(curwin->w_cursor.lnum, &l); + // If this is just above the line we are indenting, and it + // starts with a '{', line it up with this line. + // while (not) + // -> { + // } + if (terminated != ',' && lookfor != LOOKFOR_TERM + && theline[0] == '{') + { + amount = cur_amount; + // Only add b_ind_open_extra when the current line + // doesn't start with a '{', which must have a match + // in the same line (scope is the same). Probably: + // { 1, 2 }, + // -> { 3, 4 } + if (*skipwhite(l) != '{') + amount += curbuf->b_ind_open_extra; + + if (curbuf->b_ind_cpp_baseclass && !curbuf->b_ind_js) + { + // have to look back, whether it is a cpp base + // class declaration or initialization + lookfor = LOOKFOR_CPP_BASECLASS; + continue; + } + break; + } + + // Check if we are after an "if", "while", etc. + // Also allow " } else". + if (cin_is_cinword(l) || cin_iselse(skipwhite(l))) + { + // Found an unterminated line after an if (), line up + // with the last one. + // if (cond) + // 100 + + // -> here; + if (lookfor == LOOKFOR_UNTERM + || lookfor == LOOKFOR_ENUM_OR_INIT) + { + if (cont_amount > 0) + amount = cont_amount; + else + amount += ind_continuation; + break; + } + + // If this is just above the line we are indenting, we + // are finished. + // while (not) + // -> here; + // Otherwise this indent can be used when the line + // before this is terminated. + // yyy; + // if (stat) + // while (not) + // xxx; + // -> here; + amount = cur_amount; + if (theline[0] == '{') + amount += curbuf->b_ind_open_extra; + if (lookfor != LOOKFOR_TERM) + { + amount += curbuf->b_ind_level + + curbuf->b_ind_no_brace; + break; + } + + // Special trick: when expecting the while () after a + // do, line up with the while() + // do + // x = 1; + // -> here + l = skipwhite(ml_get_curline()); + if (cin_isdo(l)) + { + if (whilelevel == 0) + break; + --whilelevel; + } + + // When searching for a terminated line, don't use the + // one between the "if" and the matching "else". + // Need to use the scope of this "else". XXX + // If whilelevel != 0 continue looking for a "do {". + if (cin_iselse(l) && whilelevel == 0) + { + // If we're looking at "} else", let's make sure we + // find the opening brace of the enclosing scope, + // not the one from "if () {". + if (*l == '}') + curwin->w_cursor.col = + (colnr_T)(l - ml_get_curline()) + 1; + + if ((trypos = find_start_brace()) == NULL + || find_match(LOOKFOR_IF, trypos->lnum) + == FAIL) + break; + } + } + + // If we're below an unterminated line that is not an + // "if" or something, we may line up with this line or + // add something for a continuation line, depending on + // the line before this one. + else + { + // Found two unterminated lines on a row, line up with + // the last one. + // c = 99 + + // 100 + + // -> here; + if (lookfor == LOOKFOR_UNTERM) + { + // When line ends in a comma add extra indent + if (terminated == ',') + amount += ind_continuation; + break; + } + + if (lookfor == LOOKFOR_ENUM_OR_INIT) + { + // Found two lines ending in ',', lineup with the + // lowest one, but check for cpp base class + // declaration/initialization, if it is an + // opening brace or we are looking just for + // enumerations/initializations. + if (terminated == ',') + { + if (curbuf->b_ind_cpp_baseclass == 0) + break; + + lookfor = LOOKFOR_CPP_BASECLASS; + continue; + } + + // Ignore unterminated lines in between, but + // reduce indent. + if (amount > cur_amount) + amount = cur_amount; + } + else + { + // Found first unterminated line on a row, may + // line up with this line, remember its indent + // 100 + + // -> here; + l = ml_get_curline(); + amount = cur_amount; + + n = (int)STRLEN(l); + if (terminated == ',' && (*skipwhite(l) == ']' + || (n >=2 && l[n - 2] == ']'))) + break; + + // If previous line ends in ',', check whether we + // are in an initialization or enum + // struct xxx = + // { + // sizeof a, + // 124 }; + // or a normal possible continuation line. + // but only, of no other statement has been found + // yet. + if (lookfor == LOOKFOR_INITIAL && terminated == ',') + { + if (curbuf->b_ind_js) + { + // Search for a line ending in a comma + // and line up with the line below it + // (could be the current line). + // some = [ + // 1, <- line up here + // 2, + // some = [ + // 3 + <- line up here + // 4 * + // 5, + // 6, + if (cin_iscomment(skipwhite(l))) + break; + lookfor = LOOKFOR_COMMA; + trypos = find_match_char('[', + curbuf->b_ind_maxparen); + if (trypos != NULL) + { + if (trypos->lnum + == curwin->w_cursor.lnum - 1) + { + // Current line is first inside + // [], line up with it. + break; + } + ourscope = trypos->lnum; + } + } + else + { + lookfor = LOOKFOR_ENUM_OR_INIT; + cont_amount = cin_first_id_amount(); + } + } + else + { + if (lookfor == LOOKFOR_INITIAL + && *l != NUL + && l[STRLEN(l) - 1] == '\\') + // XXX + cont_amount = cin_get_equal_amount( + curwin->w_cursor.lnum); + if (lookfor != LOOKFOR_TERM + && lookfor != LOOKFOR_JS_KEY + && lookfor != LOOKFOR_COMMA + && raw_string_start != curwin->w_cursor.lnum) + lookfor = LOOKFOR_UNTERM; + } + } + } + } + + // Check if we are after a while (cond); + // If so: Ignore until the matching "do". + else if (cin_iswhileofdo_end(terminated)) // XXX + { + // Found an unterminated line after a while ();, line up + // with the last one. + // while (cond); + // 100 + <- line up with this one + // -> here; + if (lookfor == LOOKFOR_UNTERM + || lookfor == LOOKFOR_ENUM_OR_INIT) + { + if (cont_amount > 0) + amount = cont_amount; + else + amount += ind_continuation; + break; + } + + if (whilelevel == 0) + { + lookfor = LOOKFOR_TERM; + amount = get_indent(); // XXX + if (theline[0] == '{') + amount += curbuf->b_ind_open_extra; + } + ++whilelevel; + } + + // We are after a "normal" statement. + // If we had another statement we can stop now and use the + // indent of that other statement. + // Otherwise the indent of the current statement may be used, + // search backwards for the next "normal" statement. + else + { + // Skip single break line, if before a switch label. It + // may be lined up with the case label. + if (lookfor == LOOKFOR_NOBREAK + && cin_isbreak(skipwhite(ml_get_curline()))) + { + lookfor = LOOKFOR_ANY; + continue; + } + + // Handle "do {" line. + if (whilelevel > 0) + { + l = cin_skipcomment(ml_get_curline()); + if (cin_isdo(l)) + { + amount = get_indent(); // XXX + --whilelevel; + continue; + } + } + + // Found a terminated line above an unterminated line. Add + // the amount for a continuation line. + // x = 1; + // y = foo + + // -> here; + // or + // int x = 1; + // int foo, + // -> here; + if (lookfor == LOOKFOR_UNTERM + || lookfor == LOOKFOR_ENUM_OR_INIT) + { + if (cont_amount > 0) + amount = cont_amount; + else + amount += ind_continuation; + break; + } + + // Found a terminated line above a terminated line or "if" + // etc. line. Use the amount of the line below us. + // x = 1; x = 1; + // if (asdf) y = 2; + // while (asdf) ->here; + // here; + // ->foo; + if (lookfor == LOOKFOR_TERM) + { + if (!lookfor_break && whilelevel == 0) + break; + } + + // First line above the one we're indenting is terminated. + // To know what needs to be done look further backward for + // a terminated line. + else + { + // position the cursor over the rightmost paren, so + // that matching it will take us back to the start of + // the line. Helps for: + // func(asdr, + // asdfasdf); + // here; +term_again: + l = ml_get_curline(); + if (find_last_paren(l, '(', ')') + && (trypos = find_match_paren( + curbuf->b_ind_maxparen)) != NULL) + { + // Check if we are on a case label now. This is + // handled above. + // case xx: if ( asdf && + // asdf) + curwin->w_cursor = *trypos; + l = ml_get_curline(); + if (cin_iscase(l, FALSE) || cin_isscopedecl(l)) + { + ++curwin->w_cursor.lnum; + curwin->w_cursor.col = 0; + continue; + } + } + + // When aligning with the case statement, don't align + // with a statement after it. + // case 1: { <-- don't use this { position + // stat; + // } + // case 2: + // stat; + // } + iscase = (curbuf->b_ind_keep_case_label + && cin_iscase(l, FALSE)); + + // Get indent and pointer to text for current line, + // ignoring any jump label. + amount = skip_label(curwin->w_cursor.lnum, &l); + + if (theline[0] == '{') + amount += curbuf->b_ind_open_extra; + // See remark above: "Only add b_ind_open_extra.." + l = skipwhite(l); + if (*l == '{') + amount -= curbuf->b_ind_open_extra; + lookfor = iscase ? LOOKFOR_ANY : LOOKFOR_TERM; + + // When a terminated line starts with "else" skip to + // the matching "if": + // else 3; + // indent this; + // Need to use the scope of this "else". XXX + // If whilelevel != 0 continue looking for a "do {". + if (lookfor == LOOKFOR_TERM + && *l != '}' + && cin_iselse(l) + && whilelevel == 0) + { + if ((trypos = find_start_brace()) == NULL + || find_match(LOOKFOR_IF, trypos->lnum) + == FAIL) + break; + continue; + } + + // If we're at the end of a block, skip to the start of + // that block. + l = ml_get_curline(); + if (find_last_paren(l, '{', '}') // XXX + && (trypos = find_start_brace()) != NULL) + { + curwin->w_cursor = *trypos; + // if not "else {" check for terminated again + // but skip block for "} else {" + l = cin_skipcomment(ml_get_curline()); + if (*l == '}' || !cin_iselse(l)) + goto term_again; + ++curwin->w_cursor.lnum; + curwin->w_cursor.col = 0; + } + } + } + } + } + } + + // add extra indent for a comment + if (cin_iscomment(theline)) + amount += curbuf->b_ind_comment; + + // subtract extra left-shift for jump labels + if (curbuf->b_ind_jump_label > 0 && original_line_islabel) + amount -= curbuf->b_ind_jump_label; + + goto theend; + } + + // ok -- we're not inside any sort of structure at all! + // + // This means we're at the top level, and everything should + // basically just match where the previous line is, except + // for the lines immediately following a function declaration, + // which are K&R-style parameters and need to be indented. + // + // if our line starts with an open brace, forget about any + // prevailing indent and make sure it looks like the start + // of a function + + if (theline[0] == '{') + { + amount = curbuf->b_ind_first_open; + goto theend; + } + + // If the NEXT line is a function declaration, the current + // line needs to be indented as a function type spec. + // Don't do this if the current line looks like a comment or if the + // current line is terminated, ie. ends in ';', or if the current line + // contains { or }: "void f() {\n if (1)" + if (cur_curpos.lnum < curbuf->b_ml.ml_line_count + && !cin_nocode(theline) + && vim_strchr(theline, '{') == NULL + && vim_strchr(theline, '}') == NULL + && !cin_ends_in(theline, (char_u *)":", NULL) + && !cin_ends_in(theline, (char_u *)",", NULL) + && cin_isfuncdecl(NULL, cur_curpos.lnum + 1, + cur_curpos.lnum + 1) + && !cin_isterminated(theline, FALSE, TRUE)) + { + amount = curbuf->b_ind_func_type; + goto theend; + } + + // search backwards until we find something we recognize + amount = 0; + curwin->w_cursor = cur_curpos; + while (curwin->w_cursor.lnum > 1) + { + curwin->w_cursor.lnum--; + curwin->w_cursor.col = 0; + + l = ml_get_curline(); + + // If we're in a comment or raw string now, skip to the start + // of it. XXX + if ((trypos = ind_find_start_CORS(NULL)) != NULL) + { + curwin->w_cursor.lnum = trypos->lnum + 1; + curwin->w_cursor.col = 0; + continue; + } + + // Are we at the start of a cpp base class declaration or + // constructor initialization? XXX + n = FALSE; + if (curbuf->b_ind_cpp_baseclass != 0 && theline[0] != '{') + { + n = cin_is_cpp_baseclass(&cache_cpp_baseclass); + l = ml_get_curline(); + } + if (n) + { + // XXX + amount = get_baseclass_amount(cache_cpp_baseclass.lpos.col); + break; + } + + // Skip preprocessor directives and blank lines. + if (cin_ispreproc_cont(&l, &curwin->w_cursor.lnum, &amount)) + continue; + + if (cin_nocode(l)) + continue; + + // If the previous line ends in ',', use one level of + // indentation: + // int foo, + // bar; + // do this before checking for '}' in case of eg. + // enum foobar + // { + // ... + // } foo, + // bar; + n = 0; + if (cin_ends_in(l, (char_u *)",", NULL) + || (*l != NUL && (n = l[STRLEN(l) - 1]) == '\\')) + { + // take us back to opening paren + if (find_last_paren(l, '(', ')') + && (trypos = find_match_paren( + curbuf->b_ind_maxparen)) != NULL) + curwin->w_cursor = *trypos; + + // For a line ending in ',' that is a continuation line go + // back to the first line with a backslash: + // char *foo = "bla{backslash} + // bla", + // here; + while (n == 0 && curwin->w_cursor.lnum > 1) + { + l = ml_get(curwin->w_cursor.lnum - 1); + if (*l == NUL || l[STRLEN(l) - 1] != '\\') + break; + --curwin->w_cursor.lnum; + curwin->w_cursor.col = 0; + } + + amount = get_indent(); // XXX + + if (amount == 0) + amount = cin_first_id_amount(); + if (amount == 0) + amount = ind_continuation; + break; + } + + // If the line looks like a function declaration, and we're + // not in a comment, put it the left margin. + if (cin_isfuncdecl(NULL, cur_curpos.lnum, 0)) // XXX + break; + l = ml_get_curline(); + + // Finding the closing '}' of a previous function. Put + // current line at the left margin. For when 'cino' has "fs". + if (*skipwhite(l) == '}') + break; + + // (matching {) + // If the previous line ends on '};' (maybe followed by + // comments) align at column 0. For example: + // char *string_array[] = { "foo", + // / * x * / "b};ar" }; / * foobar * / + if (cin_ends_in(l, (char_u *)"};", NULL)) + break; + + // If the previous line ends on '[' we are probably in an + // array constant: + // something = [ + // 234, <- extra indent + if (cin_ends_in(l, (char_u *)"[", NULL)) + { + amount = get_indent() + ind_continuation; + break; + } + + // Find a line only has a semicolon that belongs to a previous + // line ending in '}', e.g. before an #endif. Don't increase + // indent then. + if (*(look = skipwhite(l)) == ';' && cin_nocode(look + 1)) + { + pos_T curpos_save = curwin->w_cursor; + + while (curwin->w_cursor.lnum > 1) + { + look = ml_get(--curwin->w_cursor.lnum); + if (!(cin_nocode(look) || cin_ispreproc_cont( + &look, &curwin->w_cursor.lnum, &amount))) + break; + } + if (curwin->w_cursor.lnum > 0 + && cin_ends_in(look, (char_u *)"}", NULL)) + break; + + curwin->w_cursor = curpos_save; + } + + // If the PREVIOUS line is a function declaration, the current + // line (and the ones that follow) needs to be indented as + // parameters. + if (cin_isfuncdecl(&l, curwin->w_cursor.lnum, 0)) + { + amount = curbuf->b_ind_param; + break; + } + + // If the previous line ends in ';' and the line before the + // previous line ends in ',' or '\', ident to column zero: + // int foo, + // bar; + // indent_to_0 here; + if (cin_ends_in(l, (char_u *)";", NULL)) + { + l = ml_get(curwin->w_cursor.lnum - 1); + if (cin_ends_in(l, (char_u *)",", NULL) + || (*l != NUL && l[STRLEN(l) - 1] == '\\')) + break; + l = ml_get_curline(); + } + + // Doesn't look like anything interesting -- so just + // use the indent of this line. + // + // Position the cursor over the rightmost paren, so that + // matching it will take us back to the start of the line. + find_last_paren(l, '(', ')'); + + if ((trypos = find_match_paren(curbuf->b_ind_maxparen)) != NULL) + curwin->w_cursor = *trypos; + amount = get_indent(); // XXX + break; + } + + // add extra indent for a comment + if (cin_iscomment(theline)) + amount += curbuf->b_ind_comment; + + // add extra indent if the previous line ended in a backslash: + // "asdfasdf{backslash} + // here"; + // char *foo = "asdf{backslash} + // here"; + if (cur_curpos.lnum > 1) + { + l = ml_get(cur_curpos.lnum - 1); + if (*l != NUL && l[STRLEN(l) - 1] == '\\') + { + cur_amount = cin_get_equal_amount(cur_curpos.lnum - 1); + if (cur_amount > 0) + amount = cur_amount; + else if (cur_amount == 0) + amount += ind_continuation; + } + } + +theend: + if (amount < 0) + amount = 0; + +laterend: + // put the cursor back where it belongs + curwin->w_cursor = cur_curpos; + + vim_free(linecopy); + + return amount; +} + +/* + * return TRUE if 'cinkeys' contains the key "keytyped", + * when == '*': Only if key is preceded with '*' (indent before insert) + * when == '!': Only if key is preceded with '!' (don't insert) + * when == ' ': Only if key is not preceded with '*'(indent afterwards) + * + * "keytyped" can have a few special values: + * KEY_OPEN_FORW + * KEY_OPEN_BACK + * KEY_COMPLETE just finished completion. + * + * If line_is_empty is TRUE accept keys with '0' before them. + */ + int +in_cinkeys( + int keytyped, + int when, + int line_is_empty) +{ + char_u *look; + int try_match; + int try_match_word; + char_u *p; + char_u *line; + int icase; + int i; + + if (keytyped == NUL) + // Can happen with CTRL-Y and CTRL-E on a short line. + return FALSE; + +#ifdef FEAT_EVAL + if (*curbuf->b_p_inde != NUL) + look = curbuf->b_p_indk; // 'indentexpr' set: use 'indentkeys' + else +#endif + look = curbuf->b_p_cink; // 'indentexpr' empty: use 'cinkeys' + while (*look) + { + // Find out if we want to try a match with this key, depending on + // 'when' and a '*' or '!' before the key. + switch (when) + { + case '*': try_match = (*look == '*'); break; + case '!': try_match = (*look == '!'); break; + default: try_match = (*look != '*'); break; + } + if (*look == '*' || *look == '!') + ++look; + + // If there is a '0', only accept a match if the line is empty. + // But may still match when typing last char of a word. + if (*look == '0') + { + try_match_word = try_match; + if (!line_is_empty) + try_match = FALSE; + ++look; + } + else + try_match_word = FALSE; + + // does it look like a control character? + if (*look == '^' +#ifdef EBCDIC + && (Ctrl_chr(look[1]) != 0) +#else + && look[1] >= '?' && look[1] <= '_' +#endif + ) + { + if (try_match && keytyped == Ctrl_chr(look[1])) + return TRUE; + look += 2; + } + // 'o' means "o" command, open forward. + // 'O' means "O" command, open backward. + else if (*look == 'o') + { + if (try_match && keytyped == KEY_OPEN_FORW) + return TRUE; + ++look; + } + else if (*look == 'O') + { + if (try_match && keytyped == KEY_OPEN_BACK) + return TRUE; + ++look; + } + + // 'e' means to check for "else" at start of line and just before the + // cursor. + else if (*look == 'e') + { + if (try_match && keytyped == 'e' && curwin->w_cursor.col >= 4) + { + p = ml_get_curline(); + if (skipwhite(p) == p + curwin->w_cursor.col - 4 && + STRNCMP(p + curwin->w_cursor.col - 4, "else", 4) == 0) + return TRUE; + } + ++look; + } + + // ':' only causes an indent if it is at the end of a label or case + // statement, or when it was before typing the ':' (to fix + // class::method for C++). + else if (*look == ':') + { + if (try_match && keytyped == ':') + { + p = ml_get_curline(); + if (cin_iscase(p, FALSE) || cin_isscopedecl(p) || cin_islabel()) + return TRUE; + // Need to get the line again after cin_islabel(). + p = ml_get_curline(); + if (curwin->w_cursor.col > 2 + && p[curwin->w_cursor.col - 1] == ':' + && p[curwin->w_cursor.col - 2] == ':') + { + p[curwin->w_cursor.col - 1] = ' '; + i = (cin_iscase(p, FALSE) || cin_isscopedecl(p) + || cin_islabel()); + p = ml_get_curline(); + p[curwin->w_cursor.col - 1] = ':'; + if (i) + return TRUE; + } + } + ++look; + } + + + // Is it a key in <>, maybe? + else if (*look == '<') + { + if (try_match) + { + // make up some named keys , , , <0>, <>>, <<>, <*>, + // <:> and so that people can re-indent on o, O, e, 0, <, + // >, *, : and ! keys if they really really want to. + if (vim_strchr((char_u *)"<>!*oOe0:", look[1]) != NULL + && keytyped == look[1]) + return TRUE; + + if (keytyped == get_special_key_code(look + 1)) + return TRUE; + } + while (*look && *look != '>') + look++; + while (*look == '>') + look++; + } + + // Is it a word: "=word"? + else if (*look == '=' && look[1] != ',' && look[1] != NUL) + { + ++look; + if (*look == '~') + { + icase = TRUE; + ++look; + } + else + icase = FALSE; + p = vim_strchr(look, ','); + if (p == NULL) + p = look + STRLEN(look); + if ((try_match || try_match_word) + && curwin->w_cursor.col >= (colnr_T)(p - look)) + { + int match = FALSE; + + if (keytyped == KEY_COMPLETE) + { + char_u *s; + + // Just completed a word, check if it starts with "look". + // search back for the start of a word. + line = ml_get_curline(); + if (has_mbyte) + { + char_u *n; + + for (s = line + curwin->w_cursor.col; s > line; s = n) + { + n = mb_prevptr(line, s); + if (!vim_iswordp(n)) + break; + } + } + else + for (s = line + curwin->w_cursor.col; s > line; --s) + if (!vim_iswordc(s[-1])) + break; + if (s + (p - look) <= line + curwin->w_cursor.col + && (icase + ? MB_STRNICMP(s, look, p - look) + : STRNCMP(s, look, p - look)) == 0) + match = TRUE; + } + else + // TODO: multi-byte + if (keytyped == (int)p[-1] || (icase && keytyped < 256 + && TOLOWER_LOC(keytyped) == TOLOWER_LOC((int)p[-1]))) + { + line = ml_get_cursor(); + if ((curwin->w_cursor.col == (colnr_T)(p - look) + || !vim_iswordc(line[-(p - look) - 1])) + && (icase + ? MB_STRNICMP(line - (p - look), look, p - look) + : STRNCMP(line - (p - look), look, p - look)) + == 0) + match = TRUE; + } + if (match && try_match_word && !try_match) + { + // "0=word": Check if there are only blanks before the + // word. + if (getwhitecols_curline() != + (int)(curwin->w_cursor.col - (p - look))) + match = FALSE; + } + if (match) + return TRUE; + } + look = p; + } + + // ok, it's a boring generic character. + else + { + if (try_match && *look == keytyped) + return TRUE; + if (*look != NUL) + ++look; + } + + // Skip over ", ". + look = skip_to_option_part(look); + } + return FALSE; +} + +/* + * Do C or expression indenting on the current line. + */ + void +do_c_expr_indent(void) +{ +# ifdef FEAT_EVAL + if (*curbuf->b_p_inde != NUL) + fixthisline(get_expr_indent); + else +# endif + fixthisline(get_c_indent); +} +#endif + +#if defined(FEAT_EVAL) || defined(PROTO) +/* + * "cindent(lnum)" function + */ + void +f_cindent(typval_T *argvars UNUSED, typval_T *rettv) +{ +# ifdef FEAT_CINDENT + pos_T pos; + linenr_T lnum; + + pos = curwin->w_cursor; + lnum = tv_get_lnum(argvars); + if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count) + { + curwin->w_cursor.lnum = lnum; + rettv->vval.v_number = get_c_indent(); + curwin->w_cursor = pos; + } + else +# endif + rettv->vval.v_number = -1; +} +#endif diff --git a/src/edit.c b/src/edit.c --- a/src/edit.c +++ b/src/edit.c @@ -37,7 +37,6 @@ static void check_spell_redraw(void); #endif static void stop_insert(pos_T *end_insert_pos, int esc, int nomove); static int echeck_abbr(int); -static void replace_join(int off); static void mb_replace_pop_ins(int cc); static void replace_flush(void); static void replace_do_bs(int limit_col); @@ -76,9 +75,6 @@ static int ins_tab(void); static int ins_digraph(void); #endif static int ins_ctrl_ey(int tc); -#ifdef FEAT_SMARTINDENT -static void ins_try_si(int c); -#endif #if defined(FEAT_EVAL) static char_u *do_insert_char_pre(int c); #endif @@ -97,8 +93,6 @@ static int did_restart_edit; /* "restart static int can_cindent; /* may do cindenting on this line */ #endif -static int old_indent = 0; /* for ^^D command in insert mode */ - #ifdef FEAT_RIGHTLEFT static int revins_on; /* reverse insert mode on */ static int revins_chars; /* how much to skip after edit */ @@ -1763,248 +1757,6 @@ undisplay_dollar(void) } /* - * Insert an indent (for or CTRL-T) or delete an indent (for CTRL-D). - * Keep the cursor on the same character. - * type == INDENT_INC increase indent (for CTRL-T or ) - * type == INDENT_DEC decrease indent (for CTRL-D) - * type == INDENT_SET set indent to "amount" - * if round is TRUE, round the indent to 'shiftwidth' (only with _INC and _Dec). - */ - void -change_indent( - int type, - int amount, - int round, - int replaced, /* replaced character, put on replace stack */ - int call_changed_bytes) /* call changed_bytes() */ -{ - int vcol; - int last_vcol; - int insstart_less; /* reduction for Insstart.col */ - int new_cursor_col; - int i; - char_u *ptr; - int save_p_list; - int start_col; - colnr_T vc; - colnr_T orig_col = 0; /* init for GCC */ - char_u *new_line, *orig_line = NULL; /* init for GCC */ - - /* VREPLACE mode needs to know what the line was like before changing */ - if (State & VREPLACE_FLAG) - { - orig_line = vim_strsave(ml_get_curline()); /* Deal with NULL below */ - orig_col = curwin->w_cursor.col; - } - - /* for the following tricks we don't want list mode */ - save_p_list = curwin->w_p_list; - curwin->w_p_list = FALSE; - vc = getvcol_nolist(&curwin->w_cursor); - vcol = vc; - - /* - * For Replace mode we need to fix the replace stack later, which is only - * possible when the cursor is in the indent. Remember the number of - * characters before the cursor if it's possible. - */ - start_col = curwin->w_cursor.col; - - /* determine offset from first non-blank */ - new_cursor_col = curwin->w_cursor.col; - beginline(BL_WHITE); - new_cursor_col -= curwin->w_cursor.col; - - insstart_less = curwin->w_cursor.col; - - /* - * If the cursor is in the indent, compute how many screen columns the - * cursor is to the left of the first non-blank. - */ - if (new_cursor_col < 0) - vcol = get_indent() - vcol; - - if (new_cursor_col > 0) /* can't fix replace stack */ - start_col = -1; - - /* - * Set the new indent. The cursor will be put on the first non-blank. - */ - if (type == INDENT_SET) - (void)set_indent(amount, call_changed_bytes ? SIN_CHANGED : 0); - else - { - int save_State = State; - - /* Avoid being called recursively. */ - if (State & VREPLACE_FLAG) - State = INSERT; - shift_line(type == INDENT_DEC, round, 1, call_changed_bytes); - State = save_State; - } - insstart_less -= curwin->w_cursor.col; - - /* - * Try to put cursor on same character. - * If the cursor is at or after the first non-blank in the line, - * compute the cursor column relative to the column of the first - * non-blank character. - * If we are not in insert mode, leave the cursor on the first non-blank. - * If the cursor is before the first non-blank, position it relative - * to the first non-blank, counted in screen columns. - */ - if (new_cursor_col >= 0) - { - /* - * When changing the indent while the cursor is touching it, reset - * Insstart_col to 0. - */ - if (new_cursor_col == 0) - insstart_less = MAXCOL; - new_cursor_col += curwin->w_cursor.col; - } - else if (!(State & INSERT)) - new_cursor_col = curwin->w_cursor.col; - else - { - /* - * Compute the screen column where the cursor should be. - */ - vcol = get_indent() - vcol; - curwin->w_virtcol = (colnr_T)((vcol < 0) ? 0 : vcol); - - /* - * Advance the cursor until we reach the right screen column. - */ - vcol = last_vcol = 0; - new_cursor_col = -1; - ptr = ml_get_curline(); - while (vcol <= (int)curwin->w_virtcol) - { - last_vcol = vcol; - if (has_mbyte && new_cursor_col >= 0) - new_cursor_col += (*mb_ptr2len)(ptr + new_cursor_col); - else - ++new_cursor_col; - vcol += lbr_chartabsize(ptr, ptr + new_cursor_col, (colnr_T)vcol); - } - vcol = last_vcol; - - /* - * May need to insert spaces to be able to position the cursor on - * the right screen column. - */ - if (vcol != (int)curwin->w_virtcol) - { - curwin->w_cursor.col = (colnr_T)new_cursor_col; - i = (int)curwin->w_virtcol - vcol; - ptr = alloc(i + 1); - if (ptr != NULL) - { - new_cursor_col += i; - ptr[i] = NUL; - while (--i >= 0) - ptr[i] = ' '; - ins_str(ptr); - vim_free(ptr); - } - } - - /* - * When changing the indent while the cursor is in it, reset - * Insstart_col to 0. - */ - insstart_less = MAXCOL; - } - - curwin->w_p_list = save_p_list; - - if (new_cursor_col <= 0) - curwin->w_cursor.col = 0; - else - curwin->w_cursor.col = (colnr_T)new_cursor_col; - curwin->w_set_curswant = TRUE; - changed_cline_bef_curs(); - - /* - * May have to adjust the start of the insert. - */ - if (State & INSERT) - { - if (curwin->w_cursor.lnum == Insstart.lnum && Insstart.col != 0) - { - if ((int)Insstart.col <= insstart_less) - Insstart.col = 0; - else - Insstart.col -= insstart_less; - } - if ((int)ai_col <= insstart_less) - ai_col = 0; - else - ai_col -= insstart_less; - } - - /* - * For REPLACE mode, may have to fix the replace stack, if it's possible. - * If the number of characters before the cursor decreased, need to pop a - * few characters from the replace stack. - * If the number of characters before the cursor increased, need to push a - * few NULs onto the replace stack. - */ - if (REPLACE_NORMAL(State) && start_col >= 0) - { - while (start_col > (int)curwin->w_cursor.col) - { - replace_join(0); /* remove a NUL from the replace stack */ - --start_col; - } - while (start_col < (int)curwin->w_cursor.col || replaced) - { - replace_push(NUL); - if (replaced) - { - replace_push(replaced); - replaced = NUL; - } - ++start_col; - } - } - - /* - * For VREPLACE mode, we also have to fix the replace stack. In this case - * it is always possible because we backspace over the whole line and then - * put it back again the way we wanted it. - */ - if (State & VREPLACE_FLAG) - { - /* If orig_line didn't allocate, just return. At least we did the job, - * even if you can't backspace. */ - if (orig_line == NULL) - return; - - /* Save new line */ - new_line = vim_strsave(ml_get_curline()); - if (new_line == NULL) - return; - - /* We only put back the new line up to the cursor */ - new_line[curwin->w_cursor.col] = NUL; - - /* Put back original line */ - ml_replace(curwin->w_cursor.lnum, orig_line, FALSE); - curwin->w_cursor.col = orig_col; - - /* Backspace from cursor to start of line */ - backspace_until_column(0); - - /* Insert new stuff into line again */ - ins_bytes(new_line); - - vim_free(new_line); - } -} - -/* * Truncate the space at the end of a line. This is to be used only in an * insert mode. It handles fixing the replace stack for REPLACE and VREPLACE * modes. @@ -3840,7 +3592,7 @@ replace_pop(void) * Join the top two items on the replace stack. This removes to "off"'th NUL * encountered. */ - static void + void replace_join( int off) /* offset for which NUL to remove */ { @@ -6070,97 +5822,6 @@ ins_ctrl_ey(int tc) return c; } -#ifdef FEAT_SMARTINDENT -/* - * Try to do some very smart auto-indenting. - * Used when inserting a "normal" character. - */ - static void -ins_try_si(int c) -{ - pos_T *pos, old_pos; - char_u *ptr; - int i; - int temp; - - /* - * do some very smart indenting when entering '{' or '}' - */ - if (((did_si || can_si_back) && c == '{') || (can_si && c == '}')) - { - /* - * for '}' set indent equal to indent of line containing matching '{' - */ - if (c == '}' && (pos = findmatch(NULL, '{')) != NULL) - { - old_pos = curwin->w_cursor; - /* - * If the matching '{' has a ')' immediately before it (ignoring - * white-space), then line up with the start of the line - * containing the matching '(' if there is one. This handles the - * case where an "if (..\n..) {" statement continues over multiple - * lines -- webb - */ - ptr = ml_get(pos->lnum); - i = pos->col; - if (i > 0) /* skip blanks before '{' */ - while (--i > 0 && VIM_ISWHITE(ptr[i])) - ; - curwin->w_cursor.lnum = pos->lnum; - curwin->w_cursor.col = i; - if (ptr[i] == ')' && (pos = findmatch(NULL, '(')) != NULL) - curwin->w_cursor = *pos; - i = get_indent(); - curwin->w_cursor = old_pos; - if (State & VREPLACE_FLAG) - change_indent(INDENT_SET, i, FALSE, NUL, TRUE); - else - (void)set_indent(i, SIN_CHANGED); - } - else if (curwin->w_cursor.col > 0) - { - /* - * when inserting '{' after "O" reduce indent, but not - * more than indent of previous line - */ - temp = TRUE; - if (c == '{' && can_si_back && curwin->w_cursor.lnum > 1) - { - old_pos = curwin->w_cursor; - i = get_indent(); - while (curwin->w_cursor.lnum > 1) - { - ptr = skipwhite(ml_get(--(curwin->w_cursor.lnum))); - - /* ignore empty lines and lines starting with '#'. */ - if (*ptr != '#' && *ptr != NUL) - break; - } - if (get_indent() >= i) - temp = FALSE; - curwin->w_cursor = old_pos; - } - if (temp) - shift_line(TRUE, FALSE, 1, TRUE); - } - } - - /* - * set indent of '#' always to 0 - */ - if (curwin->w_cursor.col > 0 && can_si && c == '#') - { - /* remember current indent for next line */ - old_indent = get_indent(); - (void)set_indent(0, SIN_CHANGED); - } - - /* Adjust ai_col, the char at this position can be deleted. */ - if (ai_col > curwin->w_cursor.col) - ai_col = curwin->w_cursor.col; -} -#endif - /* * Get the value that w_virtcol would have when 'list' is off. * Unless 'cpo' contains the 'L' flag. diff --git a/src/evalfunc.c b/src/evalfunc.c --- a/src/evalfunc.c +++ b/src/evalfunc.c @@ -51,7 +51,6 @@ static void f_ceil(typval_T *argvars, ty #endif static void f_changenr(typval_T *argvars, typval_T *rettv); static void f_char2nr(typval_T *argvars, typval_T *rettv); -static void f_cindent(typval_T *argvars, typval_T *rettv); static void f_col(typval_T *argvars, typval_T *rettv); static void f_confirm(typval_T *argvars, typval_T *rettv); static void f_copy(typval_T *argvars, typval_T *rettv); @@ -108,7 +107,6 @@ static void f_hlID(typval_T *argvars, ty static void f_hlexists(typval_T *argvars, typval_T *rettv); static void f_hostname(typval_T *argvars, typval_T *rettv); static void f_iconv(typval_T *argvars, typval_T *rettv); -static void f_indent(typval_T *argvars, typval_T *rettv); static void f_index(typval_T *argvars, typval_T *rettv); static void f_input(typval_T *argvars, typval_T *rettv); static void f_inputdialog(typval_T *argvars, typval_T *rettv); @@ -128,7 +126,6 @@ static void f_libcall(typval_T *argvars, static void f_libcallnr(typval_T *argvars, typval_T *rettv); static void f_line(typval_T *argvars, typval_T *rettv); static void f_line2byte(typval_T *argvars, typval_T *rettv); -static void f_lispindent(typval_T *argvars, typval_T *rettv); static void f_localtime(typval_T *argvars, typval_T *rettv); #ifdef FEAT_FLOAT static void f_log(typval_T *argvars, typval_T *rettv); @@ -1491,29 +1488,6 @@ f_char2nr(typval_T *argvars, typval_T *r rettv->vval.v_number = tv_get_string(&argvars[0])[0]; } -/* - * "cindent(lnum)" function - */ - static void -f_cindent(typval_T *argvars UNUSED, typval_T *rettv) -{ -#ifdef FEAT_CINDENT - pos_T pos; - linenr_T lnum; - - pos = curwin->w_cursor; - lnum = tv_get_lnum(argvars); - if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count) - { - curwin->w_cursor.lnum = lnum; - rettv->vval.v_number = get_c_indent(); - curwin->w_cursor = pos; - } - else -#endif - rettv->vval.v_number = -1; -} - win_T * get_optional_window(typval_T *argvars, int idx) { @@ -3946,21 +3920,6 @@ f_iconv(typval_T *argvars UNUSED, typval } /* - * "indent()" function - */ - static void -f_indent(typval_T *argvars, typval_T *rettv) -{ - linenr_T lnum; - - lnum = tv_get_lnum(argvars); - if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count) - rettv->vval.v_number = get_indent_lnum(lnum); - else - rettv->vval.v_number = -1; -} - -/* * "index()" function */ static void @@ -4451,29 +4410,6 @@ f_line2byte(typval_T *argvars UNUSED, ty } /* - * "lispindent(lnum)" function - */ - static void -f_lispindent(typval_T *argvars UNUSED, typval_T *rettv) -{ -#ifdef FEAT_LISP - pos_T pos; - linenr_T lnum; - - pos = curwin->w_cursor; - lnum = tv_get_lnum(argvars); - if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count) - { - curwin->w_cursor.lnum = lnum; - rettv->vval.v_number = get_lisp_indent(); - curwin->w_cursor = pos; - } - else -#endif - rettv->vval.v_number = -1; -} - -/* * "localtime()" function */ static void diff --git a/src/ex_cmds.c b/src/ex_cmds.c --- a/src/ex_cmds.c +++ b/src/ex_cmds.c @@ -661,221 +661,6 @@ sortend: } /* - * ":retab". - */ - void -ex_retab(exarg_T *eap) -{ - linenr_T lnum; - int got_tab = FALSE; - long num_spaces = 0; - long num_tabs; - long len; - long col; - long vcol; - long start_col = 0; /* For start of white-space string */ - long start_vcol = 0; /* For start of white-space string */ - long old_len; - char_u *ptr; - char_u *new_line = (char_u *)1; /* init to non-NULL */ - int did_undo; /* called u_save for current line */ -#ifdef FEAT_VARTABS - int *new_vts_array = NULL; - char_u *new_ts_str; /* string value of tab argument */ -#else - int temp; - int new_ts; -#endif - int save_list; - linenr_T first_line = 0; /* first changed line */ - linenr_T last_line = 0; /* last changed line */ - - save_list = curwin->w_p_list; - curwin->w_p_list = 0; /* don't want list mode here */ - -#ifdef FEAT_VARTABS - new_ts_str = eap->arg; - if (!tabstop_set(eap->arg, &new_vts_array)) - return; - while (vim_isdigit(*(eap->arg)) || *(eap->arg) == ',') - ++(eap->arg); - - // This ensures that either new_vts_array and new_ts_str are freshly - // allocated, or new_vts_array points to an existing array and new_ts_str - // is null. - if (new_vts_array == NULL) - { - new_vts_array = curbuf->b_p_vts_array; - new_ts_str = NULL; - } - else - new_ts_str = vim_strnsave(new_ts_str, eap->arg - new_ts_str); -#else - new_ts = getdigits(&(eap->arg)); - if (new_ts < 0) - { - emsg(_(e_positive)); - return; - } - if (new_ts == 0) - new_ts = curbuf->b_p_ts; -#endif - for (lnum = eap->line1; !got_int && lnum <= eap->line2; ++lnum) - { - ptr = ml_get(lnum); - col = 0; - vcol = 0; - did_undo = FALSE; - for (;;) - { - if (VIM_ISWHITE(ptr[col])) - { - if (!got_tab && num_spaces == 0) - { - /* First consecutive white-space */ - start_vcol = vcol; - start_col = col; - } - if (ptr[col] == ' ') - num_spaces++; - else - got_tab = TRUE; - } - else - { - if (got_tab || (eap->forceit && num_spaces > 1)) - { - /* Retabulate this string of white-space */ - - /* len is virtual length of white string */ - len = num_spaces = vcol - start_vcol; - num_tabs = 0; - if (!curbuf->b_p_et) - { -#ifdef FEAT_VARTABS - int t, s; - - tabstop_fromto(start_vcol, vcol, - curbuf->b_p_ts, new_vts_array, &t, &s); - num_tabs = t; - num_spaces = s; -#else - temp = new_ts - (start_vcol % new_ts); - if (num_spaces >= temp) - { - num_spaces -= temp; - num_tabs++; - } - num_tabs += num_spaces / new_ts; - num_spaces -= (num_spaces / new_ts) * new_ts; -#endif - } - if (curbuf->b_p_et || got_tab || - (num_spaces + num_tabs < len)) - { - if (did_undo == FALSE) - { - did_undo = TRUE; - if (u_save((linenr_T)(lnum - 1), - (linenr_T)(lnum + 1)) == FAIL) - { - new_line = NULL; /* flag out-of-memory */ - break; - } - } - - /* len is actual number of white characters used */ - len = num_spaces + num_tabs; - old_len = (long)STRLEN(ptr); - new_line = alloc(old_len - col + start_col + len + 1); - if (new_line == NULL) - break; - if (start_col > 0) - mch_memmove(new_line, ptr, (size_t)start_col); - mch_memmove(new_line + start_col + len, - ptr + col, (size_t)(old_len - col + 1)); - ptr = new_line + start_col; - for (col = 0; col < len; col++) - ptr[col] = (col < num_tabs) ? '\t' : ' '; - ml_replace(lnum, new_line, FALSE); - if (first_line == 0) - first_line = lnum; - last_line = lnum; - ptr = new_line; - col = start_col + len; - } - } - got_tab = FALSE; - num_spaces = 0; - } - if (ptr[col] == NUL) - break; - vcol += chartabsize(ptr + col, (colnr_T)vcol); - if (has_mbyte) - col += (*mb_ptr2len)(ptr + col); - else - ++col; - } - if (new_line == NULL) /* out of memory */ - break; - line_breakcheck(); - } - if (got_int) - emsg(_(e_interr)); - -#ifdef FEAT_VARTABS - // If a single value was given then it can be considered equal to - // either the value of 'tabstop' or the value of 'vartabstop'. - if (tabstop_count(curbuf->b_p_vts_array) == 0 - && tabstop_count(new_vts_array) == 1 - && curbuf->b_p_ts == tabstop_first(new_vts_array)) - ; /* not changed */ - else if (tabstop_count(curbuf->b_p_vts_array) > 0 - && tabstop_eq(curbuf->b_p_vts_array, new_vts_array)) - ; /* not changed */ - else - redraw_curbuf_later(NOT_VALID); -#else - if (curbuf->b_p_ts != new_ts) - redraw_curbuf_later(NOT_VALID); -#endif - if (first_line != 0) - changed_lines(first_line, 0, last_line + 1, 0L); - - curwin->w_p_list = save_list; /* restore 'list' */ - -#ifdef FEAT_VARTABS - if (new_ts_str != NULL) /* set the new tabstop */ - { - // If 'vartabstop' is in use or if the value given to retab has more - // than one tabstop then update 'vartabstop'. - int *old_vts_ary = curbuf->b_p_vts_array; - - if (tabstop_count(old_vts_ary) > 0 || tabstop_count(new_vts_array) > 1) - { - set_string_option_direct((char_u *)"vts", -1, new_ts_str, - OPT_FREE|OPT_LOCAL, 0); - curbuf->b_p_vts_array = new_vts_array; - vim_free(old_vts_ary); - } - else - { - // 'vartabstop' wasn't in use and a single value was given to - // retab then update 'tabstop'. - curbuf->b_p_ts = tabstop_first(new_vts_array); - vim_free(new_vts_array); - } - vim_free(new_ts_str); - } -#else - curbuf->b_p_ts = new_ts; -#endif - coladvance(curwin->w_curswant); - - u_clearline(); -} - -/* * :move command - move lines line1-line2 to line dest * * return FAIL for failure, OK otherwise diff --git a/src/globals.h b/src/globals.h --- a/src/globals.h +++ b/src/globals.h @@ -843,6 +843,8 @@ EXTERN int can_si INIT(= FALSE); EXTERN int can_si_back INIT(= FALSE); #endif +EXTERN int old_indent INIT(= 0); // for ^^D command in insert mode + EXTERN pos_T saved_cursor // w_cursor before formatting text. #ifdef DO_INIT = {0, 0, 0} diff --git a/src/indent.c b/src/indent.c --- a/src/indent.c +++ b/src/indent.c @@ -13,4451 +13,6 @@ #include "vim.h" -#if defined(FEAT_CINDENT) || defined(FEAT_SMARTINDENT) - -static int cin_iscase(char_u *s, int strict); -static int cin_isscopedecl(char_u *s); - -/* - * Return TRUE if the string "line" starts with a word from 'cinwords'. - */ - int -cin_is_cinword(char_u *line) -{ - char_u *cinw; - char_u *cinw_buf; - int cinw_len; - int retval = FALSE; - int len; - - cinw_len = (int)STRLEN(curbuf->b_p_cinw) + 1; - cinw_buf = alloc(cinw_len); - if (cinw_buf != NULL) - { - line = skipwhite(line); - for (cinw = curbuf->b_p_cinw; *cinw; ) - { - len = copy_option_part(&cinw, cinw_buf, cinw_len, ","); - if (STRNCMP(line, cinw_buf, len) == 0 - && (!vim_iswordc(line[len]) || !vim_iswordc(line[len - 1]))) - { - retval = TRUE; - break; - } - } - vim_free(cinw_buf); - } - return retval; -} -#endif - -#if defined(FEAT_CINDENT) || defined(FEAT_SYN_HL) - -static char_u *skip_string(char_u *p); -static pos_T *find_start_rawstring(int ind_maxcomment); - -/* - * Find the start of a comment, not knowing if we are in a comment right now. - * Search starts at w_cursor.lnum and goes backwards. - * Return NULL when not inside a comment. - */ - static pos_T * -ind_find_start_comment(void) // XXX -{ - return find_start_comment(curbuf->b_ind_maxcomment); -} - - pos_T * -find_start_comment(int ind_maxcomment) // XXX -{ - pos_T *pos; - char_u *line; - char_u *p; - int cur_maxcomment = ind_maxcomment; - - for (;;) - { - pos = findmatchlimit(NULL, '*', FM_BACKWARD, cur_maxcomment); - if (pos == NULL) - break; - - // Check if the comment start we found is inside a string. - // If it is then restrict the search to below this line and try again. - line = ml_get(pos->lnum); - for (p = line; *p && (colnr_T)(p - line) < pos->col; ++p) - p = skip_string(p); - if ((colnr_T)(p - line) <= pos->col) - break; - cur_maxcomment = curwin->w_cursor.lnum - pos->lnum - 1; - if (cur_maxcomment <= 0) - { - pos = NULL; - break; - } - } - return pos; -} - -/* - * Find the start of a comment or raw string, not knowing if we are in a - * comment or raw string right now. - * Search starts at w_cursor.lnum and goes backwards. - * If is_raw is given and returns start of raw_string, sets it to true. - * Return NULL when not inside a comment or raw string. - * "CORS" -> Comment Or Raw String - */ - static pos_T * -ind_find_start_CORS(linenr_T *is_raw) // XXX -{ - static pos_T comment_pos_copy; - pos_T *comment_pos; - pos_T *rs_pos; - - comment_pos = find_start_comment(curbuf->b_ind_maxcomment); - if (comment_pos != NULL) - { - // Need to make a copy of the static pos in findmatchlimit(), - // calling find_start_rawstring() may change it. - comment_pos_copy = *comment_pos; - comment_pos = &comment_pos_copy; - } - rs_pos = find_start_rawstring(curbuf->b_ind_maxcomment); - - // If comment_pos is before rs_pos the raw string is inside the comment. - // If rs_pos is before comment_pos the comment is inside the raw string. - if (comment_pos == NULL || (rs_pos != NULL - && LT_POS(*rs_pos, *comment_pos))) - { - if (is_raw != NULL && rs_pos != NULL) - *is_raw = rs_pos->lnum; - return rs_pos; - } - return comment_pos; -} - -/* - * Find the start of a raw string, not knowing if we are in one right now. - * Search starts at w_cursor.lnum and goes backwards. - * Return NULL when not inside a raw string. - */ - static pos_T * -find_start_rawstring(int ind_maxcomment) // XXX -{ - pos_T *pos; - char_u *line; - char_u *p; - int cur_maxcomment = ind_maxcomment; - - for (;;) - { - pos = findmatchlimit(NULL, 'R', FM_BACKWARD, cur_maxcomment); - if (pos == NULL) - break; - - // Check if the raw string start we found is inside a string. - // If it is then restrict the search to below this line and try again. - line = ml_get(pos->lnum); - for (p = line; *p && (colnr_T)(p - line) < pos->col; ++p) - p = skip_string(p); - if ((colnr_T)(p - line) <= pos->col) - break; - cur_maxcomment = curwin->w_cursor.lnum - pos->lnum - 1; - if (cur_maxcomment <= 0) - { - pos = NULL; - break; - } - } - return pos; -} - -/* - * Skip to the end of a "string" and a 'c' character. - * If there is no string or character, return argument unmodified. - */ - static char_u * -skip_string(char_u *p) -{ - int i; - - // We loop, because strings may be concatenated: "date""time". - for ( ; ; ++p) - { - if (p[0] == '\'') // 'c' or '\n' or '\000' - { - if (!p[1]) // ' at end of line - break; - i = 2; - if (p[1] == '\\') // '\n' or '\000' - { - ++i; - while (vim_isdigit(p[i - 1])) // '\000' - ++i; - } - if (p[i] == '\'') // check for trailing ' - { - p += i; - continue; - } - } - else if (p[0] == '"') // start of string - { - for (++p; p[0]; ++p) - { - if (p[0] == '\\' && p[1] != NUL) - ++p; - else if (p[0] == '"') // end of string - break; - } - if (p[0] == '"') - continue; // continue for another string - } - else if (p[0] == 'R' && p[1] == '"') - { - // Raw string: R"[delim](...)[delim]" - char_u *delim = p + 2; - char_u *paren = vim_strchr(delim, '('); - - if (paren != NULL) - { - size_t delim_len = paren - delim; - - for (p += 3; *p; ++p) - if (p[0] == ')' && STRNCMP(p + 1, delim, delim_len) == 0 - && p[delim_len + 1] == '"') - { - p += delim_len + 1; - break; - } - if (p[0] == '"') - continue; // continue for another string - } - } - break; // no string found - } - if (!*p) - --p; // backup from NUL - return p; -} -#endif // FEAT_CINDENT || FEAT_SYN_HL - -#if defined(FEAT_CINDENT) || defined(PROTO) - -/* - * Return TRUE if C-indenting is on. - */ - int -cindent_on(void) -{ - return (!p_paste && (curbuf->b_p_cin -# ifdef FEAT_EVAL - || *curbuf->b_p_inde != NUL -# endif - )); -} - -// Find result cache for cpp_baseclass -typedef struct { - int found; - lpos_T lpos; -} cpp_baseclass_cache_T; - -/* - * Functions for C-indenting. - * Most of this originally comes from Eric Fischer. - */ -/* - * Below "XXX" means that this function may unlock the current line. - */ - -static int cin_isdefault(char_u *); -static int cin_ispreproc(char_u *); -static int cin_iscomment(char_u *); -static int cin_islinecomment(char_u *); -static int cin_isterminated(char_u *, int, int); -static int cin_iselse(char_u *); -static int cin_ends_in(char_u *, char_u *, char_u *); -static int cin_starts_with(char_u *s, char *word); -static pos_T *find_match_paren(int); -static pos_T *find_match_char(int c, int ind_maxparen); -static int find_last_paren(char_u *l, int start, int end); -static int find_match(int lookfor, linenr_T ourscope); - -/* - * Skip over white space and C comments within the line. - * Also skip over Perl/shell comments if desired. - */ - static char_u * -cin_skipcomment(char_u *s) -{ - while (*s) - { - char_u *prev_s = s; - - s = skipwhite(s); - - // Perl/shell # comment comment continues until eol. Require a space - // before # to avoid recognizing $#array. - if (curbuf->b_ind_hash_comment != 0 && s != prev_s && *s == '#') - { - s += STRLEN(s); - break; - } - if (*s != '/') - break; - ++s; - if (*s == '/') // slash-slash comment continues till eol - { - s += STRLEN(s); - break; - } - if (*s != '*') - break; - for (++s; *s; ++s) // skip slash-star comment - if (s[0] == '*' && s[1] == '/') - { - s += 2; - break; - } - } - return s; -} - -/* - * Return TRUE if there is no code at *s. White space and comments are - * not considered code. - */ - static int -cin_nocode(char_u *s) -{ - return *cin_skipcomment(s) == NUL; -} - -/* - * Check previous lines for a "//" line comment, skipping over blank lines. - */ - static pos_T * -find_line_comment(void) // XXX -{ - static pos_T pos; - char_u *line; - char_u *p; - - pos = curwin->w_cursor; - while (--pos.lnum > 0) - { - line = ml_get(pos.lnum); - p = skipwhite(line); - if (cin_islinecomment(p)) - { - pos.col = (int)(p - line); - return &pos; - } - if (*p != NUL) - break; - } - return NULL; -} - -/* - * Return TRUE if "text" starts with "key:". - */ - static int -cin_has_js_key(char_u *text) -{ - char_u *s = skipwhite(text); - int quote = -1; - - if (*s == '\'' || *s == '"') - { - // can be 'key': or "key": - quote = *s; - ++s; - } - if (!vim_isIDc(*s)) // need at least one ID character - return FALSE; - - while (vim_isIDc(*s)) - ++s; - if (*s == quote) - ++s; - - s = cin_skipcomment(s); - - // "::" is not a label, it's C++ - return (*s == ':' && s[1] != ':'); -} - -/* - * Check if string matches "label:"; move to character after ':' if true. - * "*s" must point to the start of the label, if there is one. - */ - static int -cin_islabel_skip(char_u **s) -{ - if (!vim_isIDc(**s)) // need at least one ID character - return FALSE; - - while (vim_isIDc(**s)) - (*s)++; - - *s = cin_skipcomment(*s); - - // "::" is not a label, it's C++ - return (**s == ':' && *++*s != ':'); -} - -/* - * Recognize a label: "label:". - * Note: curwin->w_cursor must be where we are looking for the label. - */ - static int -cin_islabel(void) // XXX -{ - char_u *s; - - s = cin_skipcomment(ml_get_curline()); - - // Exclude "default" from labels, since it should be indented - // like a switch label. Same for C++ scope declarations. - if (cin_isdefault(s)) - return FALSE; - if (cin_isscopedecl(s)) - return FALSE; - - if (cin_islabel_skip(&s)) - { - // Only accept a label if the previous line is terminated or is a case - // label. - pos_T cursor_save; - pos_T *trypos; - char_u *line; - - cursor_save = curwin->w_cursor; - while (curwin->w_cursor.lnum > 1) - { - --curwin->w_cursor.lnum; - - // If we're in a comment or raw string now, skip to the start of - // it. - curwin->w_cursor.col = 0; - if ((trypos = ind_find_start_CORS(NULL)) != NULL) // XXX - curwin->w_cursor = *trypos; - - line = ml_get_curline(); - if (cin_ispreproc(line)) // ignore #defines, #if, etc. - continue; - if (*(line = cin_skipcomment(line)) == NUL) - continue; - - curwin->w_cursor = cursor_save; - if (cin_isterminated(line, TRUE, FALSE) - || cin_isscopedecl(line) - || cin_iscase(line, TRUE) - || (cin_islabel_skip(&line) && cin_nocode(line))) - return TRUE; - return FALSE; - } - curwin->w_cursor = cursor_save; - return TRUE; // label at start of file??? - } - return FALSE; -} - -/* - * Recognize structure initialization and enumerations: - * "[typedef] [static|public|protected|private] enum" - * "[typedef] [static|public|protected|private] = {" - */ - static int -cin_isinit(void) -{ - char_u *s; - static char *skip[] = {"static", "public", "protected", "private"}; - - s = cin_skipcomment(ml_get_curline()); - - if (cin_starts_with(s, "typedef")) - s = cin_skipcomment(s + 7); - - for (;;) - { - int i, l; - - for (i = 0; i < (int)(sizeof(skip) / sizeof(char *)); ++i) - { - l = (int)strlen(skip[i]); - if (cin_starts_with(s, skip[i])) - { - s = cin_skipcomment(s + l); - l = 0; - break; - } - } - if (l != 0) - break; - } - - if (cin_starts_with(s, "enum")) - return TRUE; - - if (cin_ends_in(s, (char_u *)"=", (char_u *)"{")) - return TRUE; - - return FALSE; -} - -/* - * Recognize a switch label: "case .*:" or "default:". - */ - static int -cin_iscase( - char_u *s, - int strict) // Allow relaxed check of case statement for JS -{ - s = cin_skipcomment(s); - if (cin_starts_with(s, "case")) - { - for (s += 4; *s; ++s) - { - s = cin_skipcomment(s); - if (*s == ':') - { - if (s[1] == ':') // skip over "::" for C++ - ++s; - else - return TRUE; - } - if (*s == '\'' && s[1] && s[2] == '\'') - s += 2; // skip over ':' - else if (*s == '/' && (s[1] == '*' || s[1] == '/')) - return FALSE; // stop at comment - else if (*s == '"') - { - // JS etc. - if (strict) - return FALSE; // stop at string - else - return TRUE; - } - } - return FALSE; - } - - if (cin_isdefault(s)) - return TRUE; - return FALSE; -} - -/* - * Recognize a "default" switch label. - */ - static int -cin_isdefault(char_u *s) -{ - return (STRNCMP(s, "default", 7) == 0 - && *(s = cin_skipcomment(s + 7)) == ':' - && s[1] != ':'); -} - -/* - * Recognize a "public/private/protected" scope declaration label. - */ - static int -cin_isscopedecl(char_u *s) -{ - int i; - - s = cin_skipcomment(s); - if (STRNCMP(s, "public", 6) == 0) - i = 6; - else if (STRNCMP(s, "protected", 9) == 0) - i = 9; - else if (STRNCMP(s, "private", 7) == 0) - i = 7; - else - return FALSE; - return (*(s = cin_skipcomment(s + i)) == ':' && s[1] != ':'); -} - -// Maximum number of lines to search back for a "namespace" line. -#define FIND_NAMESPACE_LIM 20 - -/* - * Recognize a "namespace" scope declaration. - */ - static int -cin_is_cpp_namespace(char_u *s) -{ - char_u *p; - int has_name = FALSE; - int has_name_start = FALSE; - - s = cin_skipcomment(s); - if (STRNCMP(s, "namespace", 9) == 0 && (s[9] == NUL || !vim_iswordc(s[9]))) - { - p = cin_skipcomment(skipwhite(s + 9)); - while (*p != NUL) - { - if (VIM_ISWHITE(*p)) - { - has_name = TRUE; // found end of a name - p = cin_skipcomment(skipwhite(p)); - } - else if (*p == '{') - { - break; - } - else if (vim_iswordc(*p)) - { - has_name_start = TRUE; - if (has_name) - return FALSE; // word character after skipping past name - ++p; - } - else if (p[0] == ':' && p[1] == ':' && vim_iswordc(p[2])) - { - if (!has_name_start || has_name) - return FALSE; - // C++ 17 nested namespace - p += 3; - } - else - { - return FALSE; - } - } - return TRUE; - } - return FALSE; -} - -/* - * Recognize a `extern "C"` or `extern "C++"` linkage specifications. - */ - static int -cin_is_cpp_extern_c(char_u *s) -{ - char_u *p; - int has_string_literal = FALSE; - - s = cin_skipcomment(s); - if (STRNCMP(s, "extern", 6) == 0 && (s[6] == NUL || !vim_iswordc(s[6]))) - { - p = cin_skipcomment(skipwhite(s + 6)); - while (*p != NUL) - { - if (VIM_ISWHITE(*p)) - { - p = cin_skipcomment(skipwhite(p)); - } - else if (*p == '{') - { - break; - } - else if (p[0] == '"' && p[1] == 'C' && p[2] == '"') - { - if (has_string_literal) - return FALSE; - has_string_literal = TRUE; - p += 3; - } - else if (p[0] == '"' && p[1] == 'C' && p[2] == '+' && p[3] == '+' - && p[4] == '"') - { - if (has_string_literal) - return FALSE; - has_string_literal = TRUE; - p += 5; - } - else - { - return FALSE; - } - } - return has_string_literal ? TRUE : FALSE; - } - return FALSE; -} - -/* - * Return a pointer to the first non-empty non-comment character after a ':'. - * Return NULL if not found. - * case 234: a = b; - * ^ - */ - static char_u * -after_label(char_u *l) -{ - for ( ; *l; ++l) - { - if (*l == ':') - { - if (l[1] == ':') // skip over "::" for C++ - ++l; - else if (!cin_iscase(l + 1, FALSE)) - break; - } - else if (*l == '\'' && l[1] && l[2] == '\'') - l += 2; // skip over 'x' - } - if (*l == NUL) - return NULL; - l = cin_skipcomment(l + 1); - if (*l == NUL) - return NULL; - return l; -} - -/* - * Get indent of line "lnum", skipping a label. - * Return 0 if there is nothing after the label. - */ - static int -get_indent_nolabel (linenr_T lnum) // XXX -{ - char_u *l; - pos_T fp; - colnr_T col; - char_u *p; - - l = ml_get(lnum); - p = after_label(l); - if (p == NULL) - return 0; - - fp.col = (colnr_T)(p - l); - fp.lnum = lnum; - getvcol(curwin, &fp, &col, NULL, NULL); - return (int)col; -} - -/* - * Find indent for line "lnum", ignoring any case or jump label. - * Also return a pointer to the text (after the label) in "pp". - * label: if (asdf && asdfasdf) - * ^ - */ - static int -skip_label(linenr_T lnum, char_u **pp) -{ - char_u *l; - int amount; - pos_T cursor_save; - - cursor_save = curwin->w_cursor; - curwin->w_cursor.lnum = lnum; - l = ml_get_curline(); - // XXX - if (cin_iscase(l, FALSE) || cin_isscopedecl(l) || cin_islabel()) - { - amount = get_indent_nolabel(lnum); - l = after_label(ml_get_curline()); - if (l == NULL) // just in case - l = ml_get_curline(); - } - else - { - amount = get_indent(); - l = ml_get_curline(); - } - *pp = l; - - curwin->w_cursor = cursor_save; - return amount; -} - -/* - * Return the indent of the first variable name after a type in a declaration. - * int a, indent of "a" - * static struct foo b, indent of "b" - * enum bla c, indent of "c" - * Returns zero when it doesn't look like a declaration. - */ - static int -cin_first_id_amount(void) -{ - char_u *line, *p, *s; - int len; - pos_T fp; - colnr_T col; - - line = ml_get_curline(); - p = skipwhite(line); - len = (int)(skiptowhite(p) - p); - if (len == 6 && STRNCMP(p, "static", 6) == 0) - { - p = skipwhite(p + 6); - len = (int)(skiptowhite(p) - p); - } - if (len == 6 && STRNCMP(p, "struct", 6) == 0) - p = skipwhite(p + 6); - else if (len == 4 && STRNCMP(p, "enum", 4) == 0) - p = skipwhite(p + 4); - else if ((len == 8 && STRNCMP(p, "unsigned", 8) == 0) - || (len == 6 && STRNCMP(p, "signed", 6) == 0)) - { - s = skipwhite(p + len); - if ((STRNCMP(s, "int", 3) == 0 && VIM_ISWHITE(s[3])) - || (STRNCMP(s, "long", 4) == 0 && VIM_ISWHITE(s[4])) - || (STRNCMP(s, "short", 5) == 0 && VIM_ISWHITE(s[5])) - || (STRNCMP(s, "char", 4) == 0 && VIM_ISWHITE(s[4]))) - p = s; - } - for (len = 0; vim_isIDc(p[len]); ++len) - ; - if (len == 0 || !VIM_ISWHITE(p[len]) || cin_nocode(p)) - return 0; - - p = skipwhite(p + len); - fp.lnum = curwin->w_cursor.lnum; - fp.col = (colnr_T)(p - line); - getvcol(curwin, &fp, &col, NULL, NULL); - return (int)col; -} - -/* - * Return the indent of the first non-blank after an equal sign. - * char *foo = "here"; - * Return zero if no (useful) equal sign found. - * Return -1 if the line above "lnum" ends in a backslash. - * foo = "asdf\ - * asdf\ - * here"; - */ - static int -cin_get_equal_amount(linenr_T lnum) -{ - char_u *line; - char_u *s; - colnr_T col; - pos_T fp; - - if (lnum > 1) - { - line = ml_get(lnum - 1); - if (*line != NUL && line[STRLEN(line) - 1] == '\\') - return -1; - } - - line = s = ml_get(lnum); - while (*s != NUL && vim_strchr((char_u *)"=;{}\"'", *s) == NULL) - { - if (cin_iscomment(s)) // ignore comments - s = cin_skipcomment(s); - else - ++s; - } - if (*s != '=') - return 0; - - s = skipwhite(s + 1); - if (cin_nocode(s)) - return 0; - - if (*s == '"') // nice alignment for continued strings - ++s; - - fp.lnum = lnum; - fp.col = (colnr_T)(s - line); - getvcol(curwin, &fp, &col, NULL, NULL); - return (int)col; -} - -/* - * Recognize a preprocessor statement: Any line that starts with '#'. - */ - static int -cin_ispreproc(char_u *s) -{ - if (*skipwhite(s) == '#') - return TRUE; - return FALSE; -} - -/* - * Return TRUE if line "*pp" at "*lnump" is a preprocessor statement or a - * continuation line of a preprocessor statement. Decrease "*lnump" to the - * start and return the line in "*pp". - * Put the amount of indent in "*amount". - */ - static int -cin_ispreproc_cont(char_u **pp, linenr_T *lnump, int *amount) -{ - char_u *line = *pp; - linenr_T lnum = *lnump; - int retval = FALSE; - int candidate_amount = *amount; - - if (*line != NUL && line[STRLEN(line) - 1] == '\\') - candidate_amount = get_indent_lnum(lnum); - - for (;;) - { - if (cin_ispreproc(line)) - { - retval = TRUE; - *lnump = lnum; - break; - } - if (lnum == 1) - break; - line = ml_get(--lnum); - if (*line == NUL || line[STRLEN(line) - 1] != '\\') - break; - } - - if (lnum != *lnump) - *pp = ml_get(*lnump); - if (retval) - *amount = candidate_amount; - return retval; -} - -/* - * Recognize the start of a C or C++ comment. - */ - static int -cin_iscomment(char_u *p) -{ - return (p[0] == '/' && (p[1] == '*' || p[1] == '/')); -} - -/* - * Recognize the start of a "//" comment. - */ - static int -cin_islinecomment(char_u *p) -{ - return (p[0] == '/' && p[1] == '/'); -} - -/* - * Recognize a line that starts with '{' or '}', or ends with ';', ',', '{' or - * '}'. - * Don't consider "} else" a terminated line. - * If a line begins with an "else", only consider it terminated if no unmatched - * opening braces follow (handle "else { foo();" correctly). - * Return the character terminating the line (ending char's have precedence if - * both apply in order to determine initializations). - */ - static int -cin_isterminated( - char_u *s, - int incl_open, // include '{' at the end as terminator - int incl_comma) // recognize a trailing comma -{ - char_u found_start = 0; - unsigned n_open = 0; - int is_else = FALSE; - - s = cin_skipcomment(s); - - if (*s == '{' || (*s == '}' && !cin_iselse(s))) - found_start = *s; - - if (!found_start) - is_else = cin_iselse(s); - - while (*s) - { - // skip over comments, "" strings and 'c'haracters - s = skip_string(cin_skipcomment(s)); - if (*s == '}' && n_open > 0) - --n_open; - if ((!is_else || n_open == 0) - && (*s == ';' || *s == '}' || (incl_comma && *s == ',')) - && cin_nocode(s + 1)) - return *s; - else if (*s == '{') - { - if (incl_open && cin_nocode(s + 1)) - return *s; - else - ++n_open; - } - - if (*s) - s++; - } - return found_start; -} - -/* - * Recognize the basic picture of a function declaration -- it needs to - * have an open paren somewhere and a close paren at the end of the line and - * no semicolons anywhere. - * When a line ends in a comma we continue looking in the next line. - * "sp" points to a string with the line. When looking at other lines it must - * be restored to the line. When it's NULL fetch lines here. - * "first_lnum" is where we start looking. - * "min_lnum" is the line before which we will not be looking. - */ - static int -cin_isfuncdecl( - char_u **sp, - linenr_T first_lnum, - linenr_T min_lnum) -{ - char_u *s; - linenr_T lnum = first_lnum; - linenr_T save_lnum = curwin->w_cursor.lnum; - int retval = FALSE; - pos_T *trypos; - int just_started = TRUE; - - if (sp == NULL) - s = ml_get(lnum); - else - s = *sp; - - curwin->w_cursor.lnum = lnum; - if (find_last_paren(s, '(', ')') - && (trypos = find_match_paren(curbuf->b_ind_maxparen)) != NULL) - { - lnum = trypos->lnum; - if (lnum < min_lnum) - { - curwin->w_cursor.lnum = save_lnum; - return FALSE; - } - - s = ml_get(lnum); - } - curwin->w_cursor.lnum = save_lnum; - - // Ignore line starting with #. - if (cin_ispreproc(s)) - return FALSE; - - while (*s && *s != '(' && *s != ';' && *s != '\'' && *s != '"') - { - if (cin_iscomment(s)) // ignore comments - s = cin_skipcomment(s); - else if (*s == ':') - { - if (*(s + 1) == ':') - s += 2; - else - // To avoid a mistake in the following situation: - // A::A(int a, int b) - // : a(0) // <--not a function decl - // , b(0) - // {... - return FALSE; - } - else - ++s; - } - if (*s != '(') - return FALSE; // ';', ' or " before any () or no '(' - - while (*s && *s != ';' && *s != '\'' && *s != '"') - { - if (*s == ')' && cin_nocode(s + 1)) - { - /* - * ')' at the end: may have found a match - * Check for he previous line not to end in a backslash: - * #if defined(x) && \ - * defined(y) - */ - lnum = first_lnum - 1; - s = ml_get(lnum); - if (*s == NUL || s[STRLEN(s) - 1] != '\\') - retval = TRUE; - goto done; - } - if ((*s == ',' && cin_nocode(s + 1)) || s[1] == NUL || cin_nocode(s)) - { - int comma = (*s == ','); - - // ',' at the end: continue looking in the next line. - // At the end: check for ',' in the next line, for this style: - // func(arg1 - // , arg2) - for (;;) - { - if (lnum >= curbuf->b_ml.ml_line_count) - break; - s = ml_get(++lnum); - if (!cin_ispreproc(s)) - break; - } - if (lnum >= curbuf->b_ml.ml_line_count) - break; - // Require a comma at end of the line or a comma or ')' at the - // start of next line. - s = skipwhite(s); - if (!just_started && (!comma && *s != ',' && *s != ')')) - break; - just_started = FALSE; - } - else if (cin_iscomment(s)) // ignore comments - s = cin_skipcomment(s); - else - { - ++s; - just_started = FALSE; - } - } - -done: - if (lnum != first_lnum && sp != NULL) - *sp = ml_get(first_lnum); - - return retval; -} - - static int -cin_isif(char_u *p) -{ - return (STRNCMP(p, "if", 2) == 0 && !vim_isIDc(p[2])); -} - - static int -cin_iselse( - char_u *p) -{ - if (*p == '}') // accept "} else" - p = cin_skipcomment(p + 1); - return (STRNCMP(p, "else", 4) == 0 && !vim_isIDc(p[4])); -} - - static int -cin_isdo(char_u *p) -{ - return (STRNCMP(p, "do", 2) == 0 && !vim_isIDc(p[2])); -} - -/* - * Check if this is a "while" that should have a matching "do". - * We only accept a "while (condition) ;", with only white space between the - * ')' and ';'. The condition may be spread over several lines. - */ - static int -cin_iswhileofdo (char_u *p, linenr_T lnum) // XXX -{ - pos_T cursor_save; - pos_T *trypos; - int retval = FALSE; - - p = cin_skipcomment(p); - if (*p == '}') // accept "} while (cond);" - p = cin_skipcomment(p + 1); - if (cin_starts_with(p, "while")) - { - cursor_save = curwin->w_cursor; - curwin->w_cursor.lnum = lnum; - curwin->w_cursor.col = 0; - p = ml_get_curline(); - while (*p && *p != 'w') // skip any '}', until the 'w' of the "while" - { - ++p; - ++curwin->w_cursor.col; - } - if ((trypos = findmatchlimit(NULL, 0, 0, - curbuf->b_ind_maxparen)) != NULL - && *cin_skipcomment(ml_get_pos(trypos) + 1) == ';') - retval = TRUE; - curwin->w_cursor = cursor_save; - } - return retval; -} - -/* - * Check whether in "p" there is an "if", "for" or "while" before "*poffset". - * Return 0 if there is none. - * Otherwise return !0 and update "*poffset" to point to the place where the - * string was found. - */ - static int -cin_is_if_for_while_before_offset(char_u *line, int *poffset) -{ - int offset = *poffset; - - if (offset-- < 2) - return 0; - while (offset > 2 && VIM_ISWHITE(line[offset])) - --offset; - - offset -= 1; - if (!STRNCMP(line + offset, "if", 2)) - goto probablyFound; - - if (offset >= 1) - { - offset -= 1; - if (!STRNCMP(line + offset, "for", 3)) - goto probablyFound; - - if (offset >= 2) - { - offset -= 2; - if (!STRNCMP(line + offset, "while", 5)) - goto probablyFound; - } - } - return 0; - -probablyFound: - if (!offset || !vim_isIDc(line[offset - 1])) - { - *poffset = offset; - return 1; - } - return 0; -} - -/* - * Return TRUE if we are at the end of a do-while. - * do - * nothing; - * while (foo - * && bar); <-- here - * Adjust the cursor to the line with "while". - */ - static int -cin_iswhileofdo_end(int terminated) -{ - char_u *line; - char_u *p; - char_u *s; - pos_T *trypos; - int i; - - if (terminated != ';') // there must be a ';' at the end - return FALSE; - - p = line = ml_get_curline(); - while (*p != NUL) - { - p = cin_skipcomment(p); - if (*p == ')') - { - s = skipwhite(p + 1); - if (*s == ';' && cin_nocode(s + 1)) - { - // Found ");" at end of the line, now check there is "while" - // before the matching '('. XXX - i = (int)(p - line); - curwin->w_cursor.col = i; - trypos = find_match_paren(curbuf->b_ind_maxparen); - if (trypos != NULL) - { - s = cin_skipcomment(ml_get(trypos->lnum)); - if (*s == '}') // accept "} while (cond);" - s = cin_skipcomment(s + 1); - if (cin_starts_with(s, "while")) - { - curwin->w_cursor.lnum = trypos->lnum; - return TRUE; - } - } - - // Searching may have made "line" invalid, get it again. - line = ml_get_curline(); - p = line + i; - } - } - if (*p != NUL) - ++p; - } - return FALSE; -} - - static int -cin_isbreak(char_u *p) -{ - return (STRNCMP(p, "break", 5) == 0 && !vim_isIDc(p[5])); -} - -/* - * Find the position of a C++ base-class declaration or - * constructor-initialization. eg: - * - * class MyClass : - * baseClass <-- here - * class MyClass : public baseClass, - * anotherBaseClass <-- here (should probably lineup ??) - * MyClass::MyClass(...) : - * baseClass(...) <-- here (constructor-initialization) - * - * This is a lot of guessing. Watch out for "cond ? func() : foo". - */ - static int -cin_is_cpp_baseclass( - cpp_baseclass_cache_T *cached) // input and output -{ - lpos_T *pos = &cached->lpos; // find position - char_u *s; - int class_or_struct, lookfor_ctor_init, cpp_base_class; - linenr_T lnum = curwin->w_cursor.lnum; - char_u *line = ml_get_curline(); - - if (pos->lnum <= lnum) - return cached->found; // Use the cached result - - pos->col = 0; - - s = skipwhite(line); - if (*s == '#') // skip #define FOO x ? (x) : x - return FALSE; - s = cin_skipcomment(s); - if (*s == NUL) - return FALSE; - - cpp_base_class = lookfor_ctor_init = class_or_struct = FALSE; - - // Search for a line starting with '#', empty, ending in ';' or containing - // '{' or '}' and start below it. This handles the following situations: - // a = cond ? - // func() : - // asdf; - // func::foo() - // : something - // {} - // Foo::Foo (int one, int two) - // : something(4), - // somethingelse(3) - // {} - while (lnum > 1) - { - line = ml_get(lnum - 1); - s = skipwhite(line); - if (*s == '#' || *s == NUL) - break; - while (*s != NUL) - { - s = cin_skipcomment(s); - if (*s == '{' || *s == '}' - || (*s == ';' && cin_nocode(s + 1))) - break; - if (*s != NUL) - ++s; - } - if (*s != NUL) - break; - --lnum; - } - - pos->lnum = lnum; - line = ml_get(lnum); - s = line; - for (;;) - { - if (*s == NUL) - { - if (lnum == curwin->w_cursor.lnum) - break; - // Continue in the cursor line. - line = ml_get(++lnum); - s = line; - } - if (s == line) - { - // don't recognize "case (foo):" as a baseclass - if (cin_iscase(s, FALSE)) - break; - s = cin_skipcomment(line); - if (*s == NUL) - continue; - } - - if (s[0] == '"' || (s[0] == 'R' && s[1] == '"')) - s = skip_string(s) + 1; - else if (s[0] == ':') - { - if (s[1] == ':') - { - // skip double colon. It can't be a constructor - // initialization any more - lookfor_ctor_init = FALSE; - s = cin_skipcomment(s + 2); - } - else if (lookfor_ctor_init || class_or_struct) - { - // we have something found, that looks like the start of - // cpp-base-class-declaration or constructor-initialization - cpp_base_class = TRUE; - lookfor_ctor_init = class_or_struct = FALSE; - pos->col = 0; - s = cin_skipcomment(s + 1); - } - else - s = cin_skipcomment(s + 1); - } - else if ((STRNCMP(s, "class", 5) == 0 && !vim_isIDc(s[5])) - || (STRNCMP(s, "struct", 6) == 0 && !vim_isIDc(s[6]))) - { - class_or_struct = TRUE; - lookfor_ctor_init = FALSE; - - if (*s == 'c') - s = cin_skipcomment(s + 5); - else - s = cin_skipcomment(s + 6); - } - else - { - if (s[0] == '{' || s[0] == '}' || s[0] == ';') - { - cpp_base_class = lookfor_ctor_init = class_or_struct = FALSE; - } - else if (s[0] == ')') - { - // Constructor-initialization is assumed if we come across - // something like "):" - class_or_struct = FALSE; - lookfor_ctor_init = TRUE; - } - else if (s[0] == '?') - { - // Avoid seeing '() :' after '?' as constructor init. - return FALSE; - } - else if (!vim_isIDc(s[0])) - { - // if it is not an identifier, we are wrong - class_or_struct = FALSE; - lookfor_ctor_init = FALSE; - } - else if (pos->col == 0) - { - // it can't be a constructor-initialization any more - lookfor_ctor_init = FALSE; - - // the first statement starts here: lineup with this one... - if (cpp_base_class) - pos->col = (colnr_T)(s - line); - } - - // When the line ends in a comma don't align with it. - if (lnum == curwin->w_cursor.lnum && *s == ',' && cin_nocode(s + 1)) - pos->col = 0; - - s = cin_skipcomment(s + 1); - } - } - - cached->found = cpp_base_class; - if (cpp_base_class) - pos->lnum = lnum; - return cpp_base_class; -} - - static int -get_baseclass_amount(int col) -{ - int amount; - colnr_T vcol; - pos_T *trypos; - - if (col == 0) - { - amount = get_indent(); - if (find_last_paren(ml_get_curline(), '(', ')') - && (trypos = find_match_paren(curbuf->b_ind_maxparen)) != NULL) - amount = get_indent_lnum(trypos->lnum); // XXX - if (!cin_ends_in(ml_get_curline(), (char_u *)",", NULL)) - amount += curbuf->b_ind_cpp_baseclass; - } - else - { - curwin->w_cursor.col = col; - getvcol(curwin, &curwin->w_cursor, &vcol, NULL, NULL); - amount = (int)vcol; - } - if (amount < curbuf->b_ind_cpp_baseclass) - amount = curbuf->b_ind_cpp_baseclass; - return amount; -} - -/* - * Return TRUE if string "s" ends with the string "find", possibly followed by - * white space and comments. Skip strings and comments. - * Ignore "ignore" after "find" if it's not NULL. - */ - static int -cin_ends_in(char_u *s, char_u *find, char_u *ignore) -{ - char_u *p = s; - char_u *r; - int len = (int)STRLEN(find); - - while (*p != NUL) - { - p = cin_skipcomment(p); - if (STRNCMP(p, find, len) == 0) - { - r = skipwhite(p + len); - if (ignore != NULL && STRNCMP(r, ignore, STRLEN(ignore)) == 0) - r = skipwhite(r + STRLEN(ignore)); - if (cin_nocode(r)) - return TRUE; - } - if (*p != NUL) - ++p; - } - return FALSE; -} - -/* - * Return TRUE when "s" starts with "word" and then a non-ID character. - */ - static int -cin_starts_with(char_u *s, char *word) -{ - int l = (int)STRLEN(word); - - return (STRNCMP(s, word, l) == 0 && !vim_isIDc(s[l])); -} - -/* - * Skip strings, chars and comments until at or past "trypos". - * Return the column found. - */ - static int -cin_skip2pos(pos_T *trypos) -{ - char_u *line; - char_u *p; - char_u *new_p; - - p = line = ml_get(trypos->lnum); - while (*p && (colnr_T)(p - line) < trypos->col) - { - if (cin_iscomment(p)) - p = cin_skipcomment(p); - else - { - new_p = skip_string(p); - if (new_p == p) - ++p; - else - p = new_p; - } - } - return (int)(p - line); -} - -/* - * Find the '{' at the start of the block we are in. - * Return NULL if no match found. - * Ignore a '{' that is in a comment, makes indenting the next three lines - * work. - */ -/* foo() */ -/* { */ -/* } */ - - static pos_T * -find_start_brace(void) // XXX -{ - pos_T cursor_save; - pos_T *trypos; - pos_T *pos; - static pos_T pos_copy; - - cursor_save = curwin->w_cursor; - while ((trypos = findmatchlimit(NULL, '{', FM_BLOCKSTOP, 0)) != NULL) - { - pos_copy = *trypos; // copy pos_T, next findmatch will change it - trypos = &pos_copy; - curwin->w_cursor = *trypos; - pos = NULL; - // ignore the { if it's in a // or / * * / comment - if ((colnr_T)cin_skip2pos(trypos) == trypos->col - && (pos = ind_find_start_CORS(NULL)) == NULL) // XXX - break; - if (pos != NULL) - curwin->w_cursor.lnum = pos->lnum; - } - curwin->w_cursor = cursor_save; - return trypos; -} - -/* - * Find the matching '(', ignoring it if it is in a comment. - * Return NULL if no match found. - */ - static pos_T * -find_match_paren(int ind_maxparen) // XXX -{ - return find_match_char('(', ind_maxparen); -} - - static pos_T * -find_match_char(int c, int ind_maxparen) // XXX -{ - pos_T cursor_save; - pos_T *trypos; - static pos_T pos_copy; - int ind_maxp_wk; - - cursor_save = curwin->w_cursor; - ind_maxp_wk = ind_maxparen; -retry: - if ((trypos = findmatchlimit(NULL, c, 0, ind_maxp_wk)) != NULL) - { - // check if the ( is in a // comment - if ((colnr_T)cin_skip2pos(trypos) > trypos->col) - { - ind_maxp_wk = ind_maxparen - (int)(cursor_save.lnum - trypos->lnum); - if (ind_maxp_wk > 0) - { - curwin->w_cursor = *trypos; - curwin->w_cursor.col = 0; // XXX - goto retry; - } - trypos = NULL; - } - else - { - pos_T *trypos_wk; - - pos_copy = *trypos; // copy trypos, findmatch will change it - trypos = &pos_copy; - curwin->w_cursor = *trypos; - if ((trypos_wk = ind_find_start_CORS(NULL)) != NULL) // XXX - { - ind_maxp_wk = ind_maxparen - (int)(cursor_save.lnum - - trypos_wk->lnum); - if (ind_maxp_wk > 0) - { - curwin->w_cursor = *trypos_wk; - goto retry; - } - trypos = NULL; - } - } - } - curwin->w_cursor = cursor_save; - return trypos; -} - -/* - * Find the matching '(', ignoring it if it is in a comment or before an - * unmatched {. - * Return NULL if no match found. - */ - static pos_T * -find_match_paren_after_brace (int ind_maxparen) // XXX -{ - pos_T *trypos = find_match_paren(ind_maxparen); - - if (trypos != NULL) - { - pos_T *tryposBrace = find_start_brace(); - - // If both an unmatched '(' and '{' is found. Ignore the '(' - // position if the '{' is further down. - if (tryposBrace != NULL - && (trypos->lnum != tryposBrace->lnum - ? trypos->lnum < tryposBrace->lnum - : trypos->col < tryposBrace->col)) - trypos = NULL; - } - return trypos; -} - -/* - * Return ind_maxparen corrected for the difference in line number between the - * cursor position and "startpos". This makes sure that searching for a - * matching paren above the cursor line doesn't find a match because of - * looking a few lines further. - */ - static int -corr_ind_maxparen(pos_T *startpos) -{ - long n = (long)startpos->lnum - (long)curwin->w_cursor.lnum; - - if (n > 0 && n < curbuf->b_ind_maxparen / 2) - return curbuf->b_ind_maxparen - (int)n; - return curbuf->b_ind_maxparen; -} - -/* - * Set w_cursor.col to the column number of the last unmatched ')' or '{' in - * line "l". "l" must point to the start of the line. - */ - static int -find_last_paren(char_u *l, int start, int end) -{ - int i; - int retval = FALSE; - int open_count = 0; - - curwin->w_cursor.col = 0; // default is start of line - - for (i = 0; l[i] != NUL; i++) - { - i = (int)(cin_skipcomment(l + i) - l); // ignore parens in comments - i = (int)(skip_string(l + i) - l); // ignore parens in quotes - if (l[i] == start) - ++open_count; - else if (l[i] == end) - { - if (open_count > 0) - --open_count; - else - { - curwin->w_cursor.col = i; - retval = TRUE; - } - } - } - return retval; -} - -/* - * Parse 'cinoptions' and set the values in "curbuf". - * Must be called when 'cinoptions', 'shiftwidth' and/or 'tabstop' changes. - */ - void -parse_cino(buf_T *buf) -{ - char_u *p; - char_u *l; - char_u *digits; - int n; - int divider; - int fraction = 0; - int sw = (int)get_sw_value(buf); - - // Set the default values. - - // Spaces from a block's opening brace the prevailing indent for that - // block should be. - buf->b_ind_level = sw; - - // Spaces from the edge of the line an open brace that's at the end of a - // line is imagined to be. - buf->b_ind_open_imag = 0; - - // Spaces from the prevailing indent for a line that is not preceded by - // an opening brace. - buf->b_ind_no_brace = 0; - - // Column where the first { of a function should be located }. - buf->b_ind_first_open = 0; - - // Spaces from the prevailing indent a leftmost open brace should be - // located. - buf->b_ind_open_extra = 0; - - // Spaces from the matching open brace (real location for one at the left - // edge; imaginary location from one that ends a line) the matching close - // brace should be located. - buf->b_ind_close_extra = 0; - - // Spaces from the edge of the line an open brace sitting in the leftmost - // column is imagined to be. - buf->b_ind_open_left_imag = 0; - - // Spaces jump labels should be shifted to the left if N is non-negative, - // otherwise the jump label will be put to column 1. - buf->b_ind_jump_label = -1; - - // Spaces from the switch() indent a "case xx" label should be located. - buf->b_ind_case = sw; - - // Spaces from the "case xx:" code after a switch() should be located. - buf->b_ind_case_code = sw; - - // Lineup break at end of case in switch() with case label. - buf->b_ind_case_break = 0; - - // Spaces from the class declaration indent a scope declaration label - // should be located. - buf->b_ind_scopedecl = sw; - - // Spaces from the scope declaration label code should be located. - buf->b_ind_scopedecl_code = sw; - - // Amount K&R-style parameters should be indented. - buf->b_ind_param = sw; - - // Amount a function type spec should be indented. - buf->b_ind_func_type = sw; - - // Amount a cpp base class declaration or constructor initialization - // should be indented. - buf->b_ind_cpp_baseclass = sw; - - // additional spaces beyond the prevailing indent a continuation line - // should be located. - buf->b_ind_continuation = sw; - - // Spaces from the indent of the line with an unclosed parentheses. - buf->b_ind_unclosed = sw * 2; - - // Spaces from the indent of the line with an unclosed parentheses, which - // itself is also unclosed. - buf->b_ind_unclosed2 = sw; - - // Suppress ignoring spaces from the indent of a line starting with an - // unclosed parentheses. - buf->b_ind_unclosed_noignore = 0; - - // If the opening paren is the last nonwhite character on the line, and - // b_ind_unclosed_wrapped is nonzero, use this indent relative to the outer - // context (for very long lines). - buf->b_ind_unclosed_wrapped = 0; - - // Suppress ignoring white space when lining up with the character after - // an unclosed parentheses. - buf->b_ind_unclosed_whiteok = 0; - - // Indent a closing parentheses under the line start of the matching - // opening parentheses. - buf->b_ind_matching_paren = 0; - - // Indent a closing parentheses under the previous line. - buf->b_ind_paren_prev = 0; - - // Extra indent for comments. - buf->b_ind_comment = 0; - - // Spaces from the comment opener when there is nothing after it. - buf->b_ind_in_comment = 3; - - // Boolean: if non-zero, use b_ind_in_comment even if there is something - // after the comment opener. - buf->b_ind_in_comment2 = 0; - - // Max lines to search for an open paren. - buf->b_ind_maxparen = 20; - - // Max lines to search for an open comment. - buf->b_ind_maxcomment = 70; - - // Handle braces for java code. - buf->b_ind_java = 0; - - // Not to confuse JS object properties with labels. - buf->b_ind_js = 0; - - // Handle blocked cases correctly. - buf->b_ind_keep_case_label = 0; - - // Handle C++ namespace. - buf->b_ind_cpp_namespace = 0; - - // Handle continuation lines containing conditions of if(), for() and - // while(). - buf->b_ind_if_for_while = 0; - - // indentation for # comments - buf->b_ind_hash_comment = 0; - - // Handle C++ extern "C" or "C++" - buf->b_ind_cpp_extern_c = 0; - - for (p = buf->b_p_cino; *p; ) - { - l = p++; - if (*p == '-') - ++p; - digits = p; // remember where the digits start - n = getdigits(&p); - divider = 0; - if (*p == '.') // ".5s" means a fraction - { - fraction = atol((char *)++p); - while (VIM_ISDIGIT(*p)) - { - ++p; - if (divider) - divider *= 10; - else - divider = 10; - } - } - if (*p == 's') // "2s" means two times 'shiftwidth' - { - if (p == digits) - n = sw; // just "s" is one 'shiftwidth' - else - { - n *= sw; - if (divider) - n += (sw * fraction + divider / 2) / divider; - } - ++p; - } - if (l[1] == '-') - n = -n; - - // When adding an entry here, also update the default 'cinoptions' in - // doc/indent.txt, and add explanation for it! - switch (*l) - { - case '>': buf->b_ind_level = n; break; - case 'e': buf->b_ind_open_imag = n; break; - case 'n': buf->b_ind_no_brace = n; break; - case 'f': buf->b_ind_first_open = n; break; - case '{': buf->b_ind_open_extra = n; break; - case '}': buf->b_ind_close_extra = n; break; - case '^': buf->b_ind_open_left_imag = n; break; - case 'L': buf->b_ind_jump_label = n; break; - case ':': buf->b_ind_case = n; break; - case '=': buf->b_ind_case_code = n; break; - case 'b': buf->b_ind_case_break = n; break; - case 'p': buf->b_ind_param = n; break; - case 't': buf->b_ind_func_type = n; break; - case '/': buf->b_ind_comment = n; break; - case 'c': buf->b_ind_in_comment = n; break; - case 'C': buf->b_ind_in_comment2 = n; break; - case 'i': buf->b_ind_cpp_baseclass = n; break; - case '+': buf->b_ind_continuation = n; break; - case '(': buf->b_ind_unclosed = n; break; - case 'u': buf->b_ind_unclosed2 = n; break; - case 'U': buf->b_ind_unclosed_noignore = n; break; - case 'W': buf->b_ind_unclosed_wrapped = n; break; - case 'w': buf->b_ind_unclosed_whiteok = n; break; - case 'm': buf->b_ind_matching_paren = n; break; - case 'M': buf->b_ind_paren_prev = n; break; - case ')': buf->b_ind_maxparen = n; break; - case '*': buf->b_ind_maxcomment = n; break; - case 'g': buf->b_ind_scopedecl = n; break; - case 'h': buf->b_ind_scopedecl_code = n; break; - case 'j': buf->b_ind_java = n; break; - case 'J': buf->b_ind_js = n; break; - case 'l': buf->b_ind_keep_case_label = n; break; - case '#': buf->b_ind_hash_comment = n; break; - case 'N': buf->b_ind_cpp_namespace = n; break; - case 'k': buf->b_ind_if_for_while = n; break; - case 'E': buf->b_ind_cpp_extern_c = n; break; - } - if (*p == ',') - ++p; - } -} - -/* - * Return the desired indent for C code. - * Return -1 if the indent should be left alone (inside a raw string). - */ - int -get_c_indent(void) -{ - pos_T cur_curpos; - int amount; - int scope_amount; - int cur_amount = MAXCOL; - colnr_T col; - char_u *theline; - char_u *linecopy; - pos_T *trypos; - pos_T *comment_pos; - pos_T *tryposBrace = NULL; - pos_T tryposCopy; - pos_T our_paren_pos; - char_u *start; - int start_brace; -#define BRACE_IN_COL0 1 // '{' is in column 0 -#define BRACE_AT_START 2 // '{' is at start of line -#define BRACE_AT_END 3 // '{' is at end of line - linenr_T ourscope; - char_u *l; - char_u *look; - char_u terminated; - int lookfor; -#define LOOKFOR_INITIAL 0 -#define LOOKFOR_IF 1 -#define LOOKFOR_DO 2 -#define LOOKFOR_CASE 3 -#define LOOKFOR_ANY 4 -#define LOOKFOR_TERM 5 -#define LOOKFOR_UNTERM 6 -#define LOOKFOR_SCOPEDECL 7 -#define LOOKFOR_NOBREAK 8 -#define LOOKFOR_CPP_BASECLASS 9 -#define LOOKFOR_ENUM_OR_INIT 10 -#define LOOKFOR_JS_KEY 11 -#define LOOKFOR_COMMA 12 - - int whilelevel; - linenr_T lnum; - int n; - int iscase; - int lookfor_break; - int lookfor_cpp_namespace = FALSE; - int cont_amount = 0; // amount for continuation line - int original_line_islabel; - int added_to_amount = 0; - int js_cur_has_key = 0; - linenr_T raw_string_start = 0; - cpp_baseclass_cache_T cache_cpp_baseclass = { FALSE, { MAXLNUM, 0 } }; - - // make a copy, value is changed below - int ind_continuation = curbuf->b_ind_continuation; - - // remember where the cursor was when we started - cur_curpos = curwin->w_cursor; - - // if we are at line 1 zero indent is fine, right? - if (cur_curpos.lnum == 1) - return 0; - - // Get a copy of the current contents of the line. - // This is required, because only the most recent line obtained with - // ml_get is valid! - linecopy = vim_strsave(ml_get(cur_curpos.lnum)); - if (linecopy == NULL) - return 0; - - // In insert mode and the cursor is on a ')' truncate the line at the - // cursor position. We don't want to line up with the matching '(' when - // inserting new stuff. - // For unknown reasons the cursor might be past the end of the line, thus - // check for that. - if ((State & INSERT) - && curwin->w_cursor.col < (colnr_T)STRLEN(linecopy) - && linecopy[curwin->w_cursor.col] == ')') - linecopy[curwin->w_cursor.col] = NUL; - - theline = skipwhite(linecopy); - - // move the cursor to the start of the line - - curwin->w_cursor.col = 0; - - original_line_islabel = cin_islabel(); // XXX - - // If we are inside a raw string don't change the indent. - // Ignore a raw string inside a comment. - comment_pos = ind_find_start_comment(); - if (comment_pos != NULL) - { - // findmatchlimit() static pos is overwritten, make a copy - tryposCopy = *comment_pos; - comment_pos = &tryposCopy; - } - trypos = find_start_rawstring(curbuf->b_ind_maxcomment); - if (trypos != NULL && (comment_pos == NULL - || LT_POS(*trypos, *comment_pos))) - { - amount = -1; - goto laterend; - } - - // #defines and so on always go at the left when included in 'cinkeys'. - if (*theline == '#' && (*linecopy == '#' || in_cinkeys('#', ' ', TRUE))) - { - amount = curbuf->b_ind_hash_comment; - goto theend; - } - - // Is it a non-case label? Then that goes at the left margin too unless: - // - JS flag is set. - // - 'L' item has a positive value. - if (original_line_islabel && !curbuf->b_ind_js - && curbuf->b_ind_jump_label < 0) - { - amount = 0; - goto theend; - } - - // If we're inside a "//" comment and there is a "//" comment in a - // previous line, lineup with that one. - if (cin_islinecomment(theline) - && (trypos = find_line_comment()) != NULL) // XXX - { - // find how indented the line beginning the comment is - getvcol(curwin, trypos, &col, NULL, NULL); - amount = col; - goto theend; - } - - // If we're inside a comment and not looking at the start of the - // comment, try using the 'comments' option. - if (!cin_iscomment(theline) && comment_pos != NULL) // XXX - { - int lead_start_len = 2; - int lead_middle_len = 1; - char_u lead_start[COM_MAX_LEN]; // start-comment string - char_u lead_middle[COM_MAX_LEN]; // middle-comment string - char_u lead_end[COM_MAX_LEN]; // end-comment string - char_u *p; - int start_align = 0; - int start_off = 0; - int done = FALSE; - - // find how indented the line beginning the comment is - getvcol(curwin, comment_pos, &col, NULL, NULL); - amount = col; - *lead_start = NUL; - *lead_middle = NUL; - - p = curbuf->b_p_com; - while (*p != NUL) - { - int align = 0; - int off = 0; - int what = 0; - - while (*p != NUL && *p != ':') - { - if (*p == COM_START || *p == COM_END || *p == COM_MIDDLE) - what = *p++; - else if (*p == COM_LEFT || *p == COM_RIGHT) - align = *p++; - else if (VIM_ISDIGIT(*p) || *p == '-') - off = getdigits(&p); - else - ++p; - } - - if (*p == ':') - ++p; - (void)copy_option_part(&p, lead_end, COM_MAX_LEN, ","); - if (what == COM_START) - { - STRCPY(lead_start, lead_end); - lead_start_len = (int)STRLEN(lead_start); - start_off = off; - start_align = align; - } - else if (what == COM_MIDDLE) - { - STRCPY(lead_middle, lead_end); - lead_middle_len = (int)STRLEN(lead_middle); - } - else if (what == COM_END) - { - // If our line starts with the middle comment string, line it - // up with the comment opener per the 'comments' option. - if (STRNCMP(theline, lead_middle, lead_middle_len) == 0 - && STRNCMP(theline, lead_end, STRLEN(lead_end)) != 0) - { - done = TRUE; - if (curwin->w_cursor.lnum > 1) - { - // If the start comment string matches in the previous - // line, use the indent of that line plus offset. If - // the middle comment string matches in the previous - // line, use the indent of that line. XXX - look = skipwhite(ml_get(curwin->w_cursor.lnum - 1)); - if (STRNCMP(look, lead_start, lead_start_len) == 0) - amount = get_indent_lnum(curwin->w_cursor.lnum - 1); - else if (STRNCMP(look, lead_middle, - lead_middle_len) == 0) - { - amount = get_indent_lnum(curwin->w_cursor.lnum - 1); - break; - } - // If the start comment string doesn't match with the - // start of the comment, skip this entry. XXX - else if (STRNCMP(ml_get(comment_pos->lnum) + comment_pos->col, - lead_start, lead_start_len) != 0) - continue; - } - if (start_off != 0) - amount += start_off; - else if (start_align == COM_RIGHT) - amount += vim_strsize(lead_start) - - vim_strsize(lead_middle); - break; - } - - // If our line starts with the end comment string, line it up - // with the middle comment - if (STRNCMP(theline, lead_middle, lead_middle_len) != 0 - && STRNCMP(theline, lead_end, STRLEN(lead_end)) == 0) - { - amount = get_indent_lnum(curwin->w_cursor.lnum - 1); - // XXX - if (off != 0) - amount += off; - else if (align == COM_RIGHT) - amount += vim_strsize(lead_start) - - vim_strsize(lead_middle); - done = TRUE; - break; - } - } - } - - // If our line starts with an asterisk, line up with the - // asterisk in the comment opener; otherwise, line up - // with the first character of the comment text. - if (done) - ; - else if (theline[0] == '*') - amount += 1; - else - { - // If we are more than one line away from the comment opener, take - // the indent of the previous non-empty line. If 'cino' has "CO" - // and we are just below the comment opener and there are any - // white characters after it line up with the text after it; - // otherwise, add the amount specified by "c" in 'cino' - amount = -1; - for (lnum = cur_curpos.lnum - 1; lnum > comment_pos->lnum; --lnum) - { - if (linewhite(lnum)) // skip blank lines - continue; - amount = get_indent_lnum(lnum); // XXX - break; - } - if (amount == -1) // use the comment opener - { - if (!curbuf->b_ind_in_comment2) - { - start = ml_get(comment_pos->lnum); - look = start + comment_pos->col + 2; // skip / and * - if (*look != NUL) // if something after it - comment_pos->col = (colnr_T)(skipwhite(look) - start); - } - getvcol(curwin, comment_pos, &col, NULL, NULL); - amount = col; - if (curbuf->b_ind_in_comment2 || *look == NUL) - amount += curbuf->b_ind_in_comment; - } - } - goto theend; - } - - // Are we looking at a ']' that has a match? - if (*skipwhite(theline) == ']' - && (trypos = find_match_char('[', curbuf->b_ind_maxparen)) != NULL) - { - // align with the line containing the '['. - amount = get_indent_lnum(trypos->lnum); - goto theend; - } - - // Are we inside parentheses or braces? XXX - if (((trypos = find_match_paren(curbuf->b_ind_maxparen)) != NULL - && curbuf->b_ind_java == 0) - || (tryposBrace = find_start_brace()) != NULL - || trypos != NULL) - { - if (trypos != NULL && tryposBrace != NULL) - { - // Both an unmatched '(' and '{' is found. Use the one which is - // closer to the current cursor position, set the other to NULL. - if (trypos->lnum != tryposBrace->lnum - ? trypos->lnum < tryposBrace->lnum - : trypos->col < tryposBrace->col) - trypos = NULL; - else - tryposBrace = NULL; - } - - if (trypos != NULL) - { - // If the matching paren is more than one line away, use the indent of - // a previous non-empty line that matches the same paren. - if (theline[0] == ')' && curbuf->b_ind_paren_prev) - { - // Line up with the start of the matching paren line. - amount = get_indent_lnum(curwin->w_cursor.lnum - 1); // XXX - } - else - { - amount = -1; - our_paren_pos = *trypos; - for (lnum = cur_curpos.lnum - 1; lnum > our_paren_pos.lnum; --lnum) - { - l = skipwhite(ml_get(lnum)); - if (cin_nocode(l)) // skip comment lines - continue; - if (cin_ispreproc_cont(&l, &lnum, &amount)) - continue; // ignore #define, #if, etc. - curwin->w_cursor.lnum = lnum; - - // Skip a comment or raw string. XXX - if ((trypos = ind_find_start_CORS(NULL)) != NULL) - { - lnum = trypos->lnum + 1; - continue; - } - - // XXX - if ((trypos = find_match_paren( - corr_ind_maxparen(&cur_curpos))) != NULL - && trypos->lnum == our_paren_pos.lnum - && trypos->col == our_paren_pos.col) - { - amount = get_indent_lnum(lnum); // XXX - - if (theline[0] == ')') - { - if (our_paren_pos.lnum != lnum - && cur_amount > amount) - cur_amount = amount; - amount = -1; - } - break; - } - } - } - - // Line up with line where the matching paren is. XXX - // If the line starts with a '(' or the indent for unclosed - // parentheses is zero, line up with the unclosed parentheses. - if (amount == -1) - { - int ignore_paren_col = 0; - int is_if_for_while = 0; - - if (curbuf->b_ind_if_for_while) - { - // Look for the outermost opening parenthesis on this line - // and check whether it belongs to an "if", "for" or "while". - - pos_T cursor_save = curwin->w_cursor; - pos_T outermost; - char_u *line; - - trypos = &our_paren_pos; - do { - outermost = *trypos; - curwin->w_cursor.lnum = outermost.lnum; - curwin->w_cursor.col = outermost.col; - - trypos = find_match_paren(curbuf->b_ind_maxparen); - } while (trypos && trypos->lnum == outermost.lnum); - - curwin->w_cursor = cursor_save; - - line = ml_get(outermost.lnum); - - is_if_for_while = - cin_is_if_for_while_before_offset(line, &outermost.col); - } - - amount = skip_label(our_paren_pos.lnum, &look); - look = skipwhite(look); - if (*look == '(') - { - linenr_T save_lnum = curwin->w_cursor.lnum; - char_u *line; - int look_col; - - // Ignore a '(' in front of the line that has a match before - // our matching '('. - curwin->w_cursor.lnum = our_paren_pos.lnum; - line = ml_get_curline(); - look_col = (int)(look - line); - curwin->w_cursor.col = look_col + 1; - if ((trypos = findmatchlimit(NULL, ')', 0, - curbuf->b_ind_maxparen)) - != NULL - && trypos->lnum == our_paren_pos.lnum - && trypos->col < our_paren_pos.col) - ignore_paren_col = trypos->col + 1; - - curwin->w_cursor.lnum = save_lnum; - look = ml_get(our_paren_pos.lnum) + look_col; - } - if (theline[0] == ')' || (curbuf->b_ind_unclosed == 0 - && is_if_for_while == 0) - || (!curbuf->b_ind_unclosed_noignore && *look == '(' - && ignore_paren_col == 0)) - { - // If we're looking at a close paren, line up right there; - // otherwise, line up with the next (non-white) character. - // When b_ind_unclosed_wrapped is set and the matching paren is - // the last nonwhite character of the line, use either the - // indent of the current line or the indentation of the next - // outer paren and add b_ind_unclosed_wrapped (for very long - // lines). - if (theline[0] != ')') - { - cur_amount = MAXCOL; - l = ml_get(our_paren_pos.lnum); - if (curbuf->b_ind_unclosed_wrapped - && cin_ends_in(l, (char_u *)"(", NULL)) - { - // look for opening unmatched paren, indent one level - // for each additional level - n = 1; - for (col = 0; col < our_paren_pos.col; ++col) - { - switch (l[col]) - { - case '(': - case '{': ++n; - break; - - case ')': - case '}': if (n > 1) - --n; - break; - } - } - - our_paren_pos.col = 0; - amount += n * curbuf->b_ind_unclosed_wrapped; - } - else if (curbuf->b_ind_unclosed_whiteok) - our_paren_pos.col++; - else - { - col = our_paren_pos.col + 1; - while (VIM_ISWHITE(l[col])) - col++; - if (l[col] != NUL) // In case of trailing space - our_paren_pos.col = col; - else - our_paren_pos.col++; - } - } - - // Find how indented the paren is, or the character after it - // if we did the above "if". - if (our_paren_pos.col > 0) - { - getvcol(curwin, &our_paren_pos, &col, NULL, NULL); - if (cur_amount > (int)col) - cur_amount = col; - } - } - - if (theline[0] == ')' && curbuf->b_ind_matching_paren) - { - // Line up with the start of the matching paren line. - } - else if ((curbuf->b_ind_unclosed == 0 && is_if_for_while == 0) - || (!curbuf->b_ind_unclosed_noignore - && *look == '(' && ignore_paren_col == 0)) - { - if (cur_amount != MAXCOL) - amount = cur_amount; - } - else - { - // Add b_ind_unclosed2 for each '(' before our matching one, - // but ignore (void) before the line (ignore_paren_col). - col = our_paren_pos.col; - while ((int)our_paren_pos.col > ignore_paren_col) - { - --our_paren_pos.col; - switch (*ml_get_pos(&our_paren_pos)) - { - case '(': amount += curbuf->b_ind_unclosed2; - col = our_paren_pos.col; - break; - case ')': amount -= curbuf->b_ind_unclosed2; - col = MAXCOL; - break; - } - } - - // Use b_ind_unclosed once, when the first '(' is not inside - // braces - if (col == MAXCOL) - amount += curbuf->b_ind_unclosed; - else - { - curwin->w_cursor.lnum = our_paren_pos.lnum; - curwin->w_cursor.col = col; - if (find_match_paren_after_brace(curbuf->b_ind_maxparen) - != NULL) - amount += curbuf->b_ind_unclosed2; - else - { - if (is_if_for_while) - amount += curbuf->b_ind_if_for_while; - else - amount += curbuf->b_ind_unclosed; - } - } - // For a line starting with ')' use the minimum of the two - // positions, to avoid giving it more indent than the previous - // lines: - // func_long_name( if (x - // arg && yy - // ) ^ not here ) ^ not here - if (cur_amount < amount) - amount = cur_amount; - } - } - - // add extra indent for a comment - if (cin_iscomment(theline)) - amount += curbuf->b_ind_comment; - } - else - { - // We are inside braces, there is a { before this line at the position - // stored in tryposBrace. - // Make a copy of tryposBrace, it may point to pos_copy inside - // find_start_brace(), which may be changed somewhere. - tryposCopy = *tryposBrace; - tryposBrace = &tryposCopy; - trypos = tryposBrace; - ourscope = trypos->lnum; - start = ml_get(ourscope); - - // Now figure out how indented the line is in general. - // If the brace was at the start of the line, we use that; - // otherwise, check out the indentation of the line as - // a whole and then add the "imaginary indent" to that. - look = skipwhite(start); - if (*look == '{') - { - getvcol(curwin, trypos, &col, NULL, NULL); - amount = col; - if (*start == '{') - start_brace = BRACE_IN_COL0; - else - start_brace = BRACE_AT_START; - } - else - { - // That opening brace might have been on a continuation - // line. if so, find the start of the line. - curwin->w_cursor.lnum = ourscope; - - // Position the cursor over the rightmost paren, so that - // matching it will take us back to the start of the line. - lnum = ourscope; - if (find_last_paren(start, '(', ')') - && (trypos = find_match_paren(curbuf->b_ind_maxparen)) - != NULL) - lnum = trypos->lnum; - - // It could have been something like - // case 1: if (asdf && - // ldfd) { - // } - if ((curbuf->b_ind_js || curbuf->b_ind_keep_case_label) - && cin_iscase(skipwhite(ml_get_curline()), FALSE)) - amount = get_indent(); - else if (curbuf->b_ind_js) - amount = get_indent_lnum(lnum); - else - amount = skip_label(lnum, &l); - - start_brace = BRACE_AT_END; - } - - // For Javascript check if the line starts with "key:". - if (curbuf->b_ind_js) - js_cur_has_key = cin_has_js_key(theline); - - // If we're looking at a closing brace, that's where - // we want to be. otherwise, add the amount of room - // that an indent is supposed to be. - if (theline[0] == '}') - { - // they may want closing braces to line up with something - // other than the open brace. indulge them, if so. - amount += curbuf->b_ind_close_extra; - } - else - { - // If we're looking at an "else", try to find an "if" - // to match it with. - // If we're looking at a "while", try to find a "do" - // to match it with. - lookfor = LOOKFOR_INITIAL; - if (cin_iselse(theline)) - lookfor = LOOKFOR_IF; - else if (cin_iswhileofdo(theline, cur_curpos.lnum)) // XXX - lookfor = LOOKFOR_DO; - if (lookfor != LOOKFOR_INITIAL) - { - curwin->w_cursor.lnum = cur_curpos.lnum; - if (find_match(lookfor, ourscope) == OK) - { - amount = get_indent(); // XXX - goto theend; - } - } - - // We get here if we are not on an "while-of-do" or "else" (or - // failed to find a matching "if"). - // Search backwards for something to line up with. - // First set amount for when we don't find anything. - - // if the '{' is _really_ at the left margin, use the imaginary - // location of a left-margin brace. Otherwise, correct the - // location for b_ind_open_extra. - - if (start_brace == BRACE_IN_COL0) // '{' is in column 0 - { - amount = curbuf->b_ind_open_left_imag; - lookfor_cpp_namespace = TRUE; - } - else if (start_brace == BRACE_AT_START && - lookfor_cpp_namespace) // '{' is at start - { - - lookfor_cpp_namespace = TRUE; - } - else - { - if (start_brace == BRACE_AT_END) // '{' is at end of line - { - amount += curbuf->b_ind_open_imag; - - l = skipwhite(ml_get_curline()); - if (cin_is_cpp_namespace(l)) - amount += curbuf->b_ind_cpp_namespace; - else if (cin_is_cpp_extern_c(l)) - amount += curbuf->b_ind_cpp_extern_c; - } - else - { - // Compensate for adding b_ind_open_extra later. - amount -= curbuf->b_ind_open_extra; - if (amount < 0) - amount = 0; - } - } - - lookfor_break = FALSE; - - if (cin_iscase(theline, FALSE)) // it's a switch() label - { - lookfor = LOOKFOR_CASE; // find a previous switch() label - amount += curbuf->b_ind_case; - } - else if (cin_isscopedecl(theline)) // private:, ... - { - lookfor = LOOKFOR_SCOPEDECL; // class decl is this block - amount += curbuf->b_ind_scopedecl; - } - else - { - if (curbuf->b_ind_case_break && cin_isbreak(theline)) - // break; ... - lookfor_break = TRUE; - - lookfor = LOOKFOR_INITIAL; - // b_ind_level from start of block - amount += curbuf->b_ind_level; - } - scope_amount = amount; - whilelevel = 0; - - // Search backwards. If we find something we recognize, line up - // with that. - // - // If we're looking at an open brace, indent - // the usual amount relative to the conditional - // that opens the block. - curwin->w_cursor = cur_curpos; - for (;;) - { - curwin->w_cursor.lnum--; - curwin->w_cursor.col = 0; - - // If we went all the way back to the start of our scope, line - // up with it. - if (curwin->w_cursor.lnum <= ourscope) - { - // We reached end of scope: - // If looking for a enum or structure initialization - // go further back: - // If it is an initializer (enum xxx or xxx =), then - // don't add ind_continuation, otherwise it is a variable - // declaration: - // int x, - // here; <-- add ind_continuation - if (lookfor == LOOKFOR_ENUM_OR_INIT) - { - if (curwin->w_cursor.lnum == 0 - || curwin->w_cursor.lnum - < ourscope - curbuf->b_ind_maxparen) - { - // nothing found (abuse curbuf->b_ind_maxparen as - // limit) assume terminated line (i.e. a variable - // initialization) - if (cont_amount > 0) - amount = cont_amount; - else if (!curbuf->b_ind_js) - amount += ind_continuation; - break; - } - - l = ml_get_curline(); - - // If we're in a comment or raw string now, skip to - // the start of it. - trypos = ind_find_start_CORS(NULL); - if (trypos != NULL) - { - curwin->w_cursor.lnum = trypos->lnum + 1; - curwin->w_cursor.col = 0; - continue; - } - - // Skip preprocessor directives and blank lines. - if (cin_ispreproc_cont(&l, &curwin->w_cursor.lnum, - &amount)) - continue; - - if (cin_nocode(l)) - continue; - - terminated = cin_isterminated(l, FALSE, TRUE); - - // If we are at top level and the line looks like a - // function declaration, we are done - // (it's a variable declaration). - if (start_brace != BRACE_IN_COL0 - || !cin_isfuncdecl(&l, curwin->w_cursor.lnum, 0)) - { - // if the line is terminated with another ',' - // it is a continued variable initialization. - // don't add extra indent. - // TODO: does not work, if a function - // declaration is split over multiple lines: - // cin_isfuncdecl returns FALSE then. - if (terminated == ',') - break; - - // if it es a enum declaration or an assignment, - // we are done. - if (terminated != ';' && cin_isinit()) - break; - - // nothing useful found - if (terminated == 0 || terminated == '{') - continue; - } - - if (terminated != ';') - { - // Skip parens and braces. Position the cursor - // over the rightmost paren, so that matching it - // will take us back to the start of the line. - // XXX - trypos = NULL; - if (find_last_paren(l, '(', ')')) - trypos = find_match_paren( - curbuf->b_ind_maxparen); - - if (trypos == NULL && find_last_paren(l, '{', '}')) - trypos = find_start_brace(); - - if (trypos != NULL) - { - curwin->w_cursor.lnum = trypos->lnum + 1; - curwin->w_cursor.col = 0; - continue; - } - } - - // it's a variable declaration, add indentation - // like in - // int a, - // b; - if (cont_amount > 0) - amount = cont_amount; - else - amount += ind_continuation; - } - else if (lookfor == LOOKFOR_UNTERM) - { - if (cont_amount > 0) - amount = cont_amount; - else - amount += ind_continuation; - } - else - { - if (lookfor != LOOKFOR_TERM - && lookfor != LOOKFOR_CPP_BASECLASS - && lookfor != LOOKFOR_COMMA) - { - amount = scope_amount; - if (theline[0] == '{') - { - amount += curbuf->b_ind_open_extra; - added_to_amount = curbuf->b_ind_open_extra; - } - } - - if (lookfor_cpp_namespace) - { - // Looking for C++ namespace, need to look further - // back. - if (curwin->w_cursor.lnum == ourscope) - continue; - - if (curwin->w_cursor.lnum == 0 - || curwin->w_cursor.lnum - < ourscope - FIND_NAMESPACE_LIM) - break; - - l = ml_get_curline(); - - // If we're in a comment or raw string now, skip - // to the start of it. - trypos = ind_find_start_CORS(NULL); - if (trypos != NULL) - { - curwin->w_cursor.lnum = trypos->lnum + 1; - curwin->w_cursor.col = 0; - continue; - } - - // Skip preprocessor directives and blank lines. - if (cin_ispreproc_cont(&l, &curwin->w_cursor.lnum, - &amount)) - continue; - - // Finally the actual check for "namespace". - if (cin_is_cpp_namespace(l)) - { - amount += curbuf->b_ind_cpp_namespace - - added_to_amount; - break; - } - else if (cin_is_cpp_extern_c(l)) - { - amount += curbuf->b_ind_cpp_extern_c - - added_to_amount; - break; - } - - if (cin_nocode(l)) - continue; - } - } - break; - } - - // If we're in a comment or raw string now, skip to the start - // of it. XXX - if ((trypos = ind_find_start_CORS(&raw_string_start)) != NULL) - { - curwin->w_cursor.lnum = trypos->lnum + 1; - curwin->w_cursor.col = 0; - continue; - } - - l = ml_get_curline(); - - // If this is a switch() label, may line up relative to that. - // If this is a C++ scope declaration, do the same. - iscase = cin_iscase(l, FALSE); - if (iscase || cin_isscopedecl(l)) - { - // we are only looking for cpp base class - // declaration/initialization any longer - if (lookfor == LOOKFOR_CPP_BASECLASS) - break; - - // When looking for a "do" we are not interested in - // labels. - if (whilelevel > 0) - continue; - - // case xx: - // c = 99 + <- this indent plus continuation - //-> here; - if (lookfor == LOOKFOR_UNTERM - || lookfor == LOOKFOR_ENUM_OR_INIT) - { - if (cont_amount > 0) - amount = cont_amount; - else - amount += ind_continuation; - break; - } - - // case xx: <- line up with this case - // x = 333; - // case yy: - if ( (iscase && lookfor == LOOKFOR_CASE) - || (iscase && lookfor_break) - || (!iscase && lookfor == LOOKFOR_SCOPEDECL)) - { - // Check that this case label is not for another - // switch() XXX - if ((trypos = find_start_brace()) == NULL - || trypos->lnum == ourscope) - { - amount = get_indent(); // XXX - break; - } - continue; - } - - n = get_indent_nolabel(curwin->w_cursor.lnum); // XXX - - // case xx: if (cond) <- line up with this if - // y = y + 1; - // -> s = 99; - // - // case xx: - // if (cond) <- line up with this line - // y = y + 1; - // -> s = 99; - if (lookfor == LOOKFOR_TERM) - { - if (n) - amount = n; - - if (!lookfor_break) - break; - } - - // case xx: x = x + 1; <- line up with this x - // -> y = y + 1; - // - // case xx: if (cond) <- line up with this if - // -> y = y + 1; - if (n) - { - amount = n; - l = after_label(ml_get_curline()); - if (l != NULL && cin_is_cinword(l)) - { - if (theline[0] == '{') - amount += curbuf->b_ind_open_extra; - else - amount += curbuf->b_ind_level - + curbuf->b_ind_no_brace; - } - break; - } - - // Try to get the indent of a statement before the switch - // label. If nothing is found, line up relative to the - // switch label. - // break; <- may line up with this line - // case xx: - // -> y = 1; - scope_amount = get_indent() + (iscase // XXX - ? curbuf->b_ind_case_code - : curbuf->b_ind_scopedecl_code); - lookfor = curbuf->b_ind_case_break - ? LOOKFOR_NOBREAK : LOOKFOR_ANY; - continue; - } - - // Looking for a switch() label or C++ scope declaration, - // ignore other lines, skip {}-blocks. - if (lookfor == LOOKFOR_CASE || lookfor == LOOKFOR_SCOPEDECL) - { - if (find_last_paren(l, '{', '}') - && (trypos = find_start_brace()) != NULL) - { - curwin->w_cursor.lnum = trypos->lnum + 1; - curwin->w_cursor.col = 0; - } - continue; - } - - // Ignore jump labels with nothing after them. - if (!curbuf->b_ind_js && cin_islabel()) - { - l = after_label(ml_get_curline()); - if (l == NULL || cin_nocode(l)) - continue; - } - - // Ignore #defines, #if, etc. - // Ignore comment and empty lines. - // (need to get the line again, cin_islabel() may have - // unlocked it) - l = ml_get_curline(); - if (cin_ispreproc_cont(&l, &curwin->w_cursor.lnum, &amount) - || cin_nocode(l)) - continue; - - // Are we at the start of a cpp base class declaration or - // constructor initialization? XXX - n = FALSE; - if (lookfor != LOOKFOR_TERM && curbuf->b_ind_cpp_baseclass > 0) - { - n = cin_is_cpp_baseclass(&cache_cpp_baseclass); - l = ml_get_curline(); - } - if (n) - { - if (lookfor == LOOKFOR_UNTERM) - { - if (cont_amount > 0) - amount = cont_amount; - else - amount += ind_continuation; - } - else if (theline[0] == '{') - { - // Need to find start of the declaration. - lookfor = LOOKFOR_UNTERM; - ind_continuation = 0; - continue; - } - else - // XXX - amount = get_baseclass_amount( - cache_cpp_baseclass.lpos.col); - break; - } - else if (lookfor == LOOKFOR_CPP_BASECLASS) - { - // only look, whether there is a cpp base class - // declaration or initialization before the opening brace. - if (cin_isterminated(l, TRUE, FALSE)) - break; - else - continue; - } - - // What happens next depends on the line being terminated. - // If terminated with a ',' only consider it terminating if - // there is another unterminated statement behind, eg: - // 123, - // sizeof - // here - // Otherwise check whether it is a enumeration or structure - // initialisation (not indented) or a variable declaration - // (indented). - terminated = cin_isterminated(l, FALSE, TRUE); - - if (js_cur_has_key) - { - js_cur_has_key = 0; // only check the first line - if (curbuf->b_ind_js && terminated == ',') - { - // For Javascript we might be inside an object: - // key: something, <- align with this - // key: something - // or: - // key: something + <- align with this - // something, - // key: something - lookfor = LOOKFOR_JS_KEY; - } - } - if (lookfor == LOOKFOR_JS_KEY && cin_has_js_key(l)) - { - amount = get_indent(); - break; - } - if (lookfor == LOOKFOR_COMMA) - { - if (tryposBrace != NULL && tryposBrace->lnum - >= curwin->w_cursor.lnum) - break; - if (terminated == ',') - // line below current line is the one that starts a - // (possibly broken) line ending in a comma. - break; - else - { - amount = get_indent(); - if (curwin->w_cursor.lnum - 1 == ourscope) - // line above is start of the scope, thus current - // line is the one that stars a (possibly broken) - // line ending in a comma. - break; - } - } - - if (terminated == 0 || (lookfor != LOOKFOR_UNTERM - && terminated == ',')) - { - if (lookfor != LOOKFOR_ENUM_OR_INIT && - (*skipwhite(l) == '[' || l[STRLEN(l) - 1] == '[')) - amount += ind_continuation; - // if we're in the middle of a paren thing, - // go back to the line that starts it so - // we can get the right prevailing indent - // if ( foo && - // bar ) - - // Position the cursor over the rightmost paren, so that - // matching it will take us back to the start of the line. - // Ignore a match before the start of the block. - (void)find_last_paren(l, '(', ')'); - trypos = find_match_paren(corr_ind_maxparen(&cur_curpos)); - if (trypos != NULL && (trypos->lnum < tryposBrace->lnum - || (trypos->lnum == tryposBrace->lnum - && trypos->col < tryposBrace->col))) - trypos = NULL; - - // If we are looking for ',', we also look for matching - // braces. - if (trypos == NULL && terminated == ',' - && find_last_paren(l, '{', '}')) - trypos = find_start_brace(); - - if (trypos != NULL) - { - // Check if we are on a case label now. This is - // handled above. - // case xx: if ( asdf && - // asdf) - curwin->w_cursor = *trypos; - l = ml_get_curline(); - if (cin_iscase(l, FALSE) || cin_isscopedecl(l)) - { - ++curwin->w_cursor.lnum; - curwin->w_cursor.col = 0; - continue; - } - } - - /* - * Skip over continuation lines to find the one to get the - * indent from - * char *usethis = "bla\ - * bla", - * here; - */ - if (terminated == ',') - { - while (curwin->w_cursor.lnum > 1) - { - l = ml_get(curwin->w_cursor.lnum - 1); - if (*l == NUL || l[STRLEN(l) - 1] != '\\') - break; - --curwin->w_cursor.lnum; - curwin->w_cursor.col = 0; - } - } - - // Get indent and pointer to text for current line, - // ignoring any jump label. XXX - if (curbuf->b_ind_js) - cur_amount = get_indent(); - else - cur_amount = skip_label(curwin->w_cursor.lnum, &l); - // If this is just above the line we are indenting, and it - // starts with a '{', line it up with this line. - // while (not) - // -> { - // } - if (terminated != ',' && lookfor != LOOKFOR_TERM - && theline[0] == '{') - { - amount = cur_amount; - // Only add b_ind_open_extra when the current line - // doesn't start with a '{', which must have a match - // in the same line (scope is the same). Probably: - // { 1, 2 }, - // -> { 3, 4 } - if (*skipwhite(l) != '{') - amount += curbuf->b_ind_open_extra; - - if (curbuf->b_ind_cpp_baseclass && !curbuf->b_ind_js) - { - // have to look back, whether it is a cpp base - // class declaration or initialization - lookfor = LOOKFOR_CPP_BASECLASS; - continue; - } - break; - } - - // Check if we are after an "if", "while", etc. - // Also allow " } else". - if (cin_is_cinword(l) || cin_iselse(skipwhite(l))) - { - // Found an unterminated line after an if (), line up - // with the last one. - // if (cond) - // 100 + - // -> here; - if (lookfor == LOOKFOR_UNTERM - || lookfor == LOOKFOR_ENUM_OR_INIT) - { - if (cont_amount > 0) - amount = cont_amount; - else - amount += ind_continuation; - break; - } - - // If this is just above the line we are indenting, we - // are finished. - // while (not) - // -> here; - // Otherwise this indent can be used when the line - // before this is terminated. - // yyy; - // if (stat) - // while (not) - // xxx; - // -> here; - amount = cur_amount; - if (theline[0] == '{') - amount += curbuf->b_ind_open_extra; - if (lookfor != LOOKFOR_TERM) - { - amount += curbuf->b_ind_level - + curbuf->b_ind_no_brace; - break; - } - - // Special trick: when expecting the while () after a - // do, line up with the while() - // do - // x = 1; - // -> here - l = skipwhite(ml_get_curline()); - if (cin_isdo(l)) - { - if (whilelevel == 0) - break; - --whilelevel; - } - - // When searching for a terminated line, don't use the - // one between the "if" and the matching "else". - // Need to use the scope of this "else". XXX - // If whilelevel != 0 continue looking for a "do {". - if (cin_iselse(l) && whilelevel == 0) - { - // If we're looking at "} else", let's make sure we - // find the opening brace of the enclosing scope, - // not the one from "if () {". - if (*l == '}') - curwin->w_cursor.col = - (colnr_T)(l - ml_get_curline()) + 1; - - if ((trypos = find_start_brace()) == NULL - || find_match(LOOKFOR_IF, trypos->lnum) - == FAIL) - break; - } - } - - // If we're below an unterminated line that is not an - // "if" or something, we may line up with this line or - // add something for a continuation line, depending on - // the line before this one. - else - { - // Found two unterminated lines on a row, line up with - // the last one. - // c = 99 + - // 100 + - // -> here; - if (lookfor == LOOKFOR_UNTERM) - { - // When line ends in a comma add extra indent - if (terminated == ',') - amount += ind_continuation; - break; - } - - if (lookfor == LOOKFOR_ENUM_OR_INIT) - { - // Found two lines ending in ',', lineup with the - // lowest one, but check for cpp base class - // declaration/initialization, if it is an - // opening brace or we are looking just for - // enumerations/initializations. - if (terminated == ',') - { - if (curbuf->b_ind_cpp_baseclass == 0) - break; - - lookfor = LOOKFOR_CPP_BASECLASS; - continue; - } - - // Ignore unterminated lines in between, but - // reduce indent. - if (amount > cur_amount) - amount = cur_amount; - } - else - { - // Found first unterminated line on a row, may - // line up with this line, remember its indent - // 100 + - // -> here; - l = ml_get_curline(); - amount = cur_amount; - - n = (int)STRLEN(l); - if (terminated == ',' && (*skipwhite(l) == ']' - || (n >=2 && l[n - 2] == ']'))) - break; - - // If previous line ends in ',', check whether we - // are in an initialization or enum - // struct xxx = - // { - // sizeof a, - // 124 }; - // or a normal possible continuation line. - // but only, of no other statement has been found - // yet. - if (lookfor == LOOKFOR_INITIAL && terminated == ',') - { - if (curbuf->b_ind_js) - { - // Search for a line ending in a comma - // and line up with the line below it - // (could be the current line). - // some = [ - // 1, <- line up here - // 2, - // some = [ - // 3 + <- line up here - // 4 * - // 5, - // 6, - if (cin_iscomment(skipwhite(l))) - break; - lookfor = LOOKFOR_COMMA; - trypos = find_match_char('[', - curbuf->b_ind_maxparen); - if (trypos != NULL) - { - if (trypos->lnum - == curwin->w_cursor.lnum - 1) - { - // Current line is first inside - // [], line up with it. - break; - } - ourscope = trypos->lnum; - } - } - else - { - lookfor = LOOKFOR_ENUM_OR_INIT; - cont_amount = cin_first_id_amount(); - } - } - else - { - if (lookfor == LOOKFOR_INITIAL - && *l != NUL - && l[STRLEN(l) - 1] == '\\') - // XXX - cont_amount = cin_get_equal_amount( - curwin->w_cursor.lnum); - if (lookfor != LOOKFOR_TERM - && lookfor != LOOKFOR_JS_KEY - && lookfor != LOOKFOR_COMMA - && raw_string_start != curwin->w_cursor.lnum) - lookfor = LOOKFOR_UNTERM; - } - } - } - } - - // Check if we are after a while (cond); - // If so: Ignore until the matching "do". - else if (cin_iswhileofdo_end(terminated)) // XXX - { - // Found an unterminated line after a while ();, line up - // with the last one. - // while (cond); - // 100 + <- line up with this one - // -> here; - if (lookfor == LOOKFOR_UNTERM - || lookfor == LOOKFOR_ENUM_OR_INIT) - { - if (cont_amount > 0) - amount = cont_amount; - else - amount += ind_continuation; - break; - } - - if (whilelevel == 0) - { - lookfor = LOOKFOR_TERM; - amount = get_indent(); // XXX - if (theline[0] == '{') - amount += curbuf->b_ind_open_extra; - } - ++whilelevel; - } - - // We are after a "normal" statement. - // If we had another statement we can stop now and use the - // indent of that other statement. - // Otherwise the indent of the current statement may be used, - // search backwards for the next "normal" statement. - else - { - // Skip single break line, if before a switch label. It - // may be lined up with the case label. - if (lookfor == LOOKFOR_NOBREAK - && cin_isbreak(skipwhite(ml_get_curline()))) - { - lookfor = LOOKFOR_ANY; - continue; - } - - // Handle "do {" line. - if (whilelevel > 0) - { - l = cin_skipcomment(ml_get_curline()); - if (cin_isdo(l)) - { - amount = get_indent(); // XXX - --whilelevel; - continue; - } - } - - // Found a terminated line above an unterminated line. Add - // the amount for a continuation line. - // x = 1; - // y = foo + - // -> here; - // or - // int x = 1; - // int foo, - // -> here; - if (lookfor == LOOKFOR_UNTERM - || lookfor == LOOKFOR_ENUM_OR_INIT) - { - if (cont_amount > 0) - amount = cont_amount; - else - amount += ind_continuation; - break; - } - - // Found a terminated line above a terminated line or "if" - // etc. line. Use the amount of the line below us. - // x = 1; x = 1; - // if (asdf) y = 2; - // while (asdf) ->here; - // here; - // ->foo; - if (lookfor == LOOKFOR_TERM) - { - if (!lookfor_break && whilelevel == 0) - break; - } - - // First line above the one we're indenting is terminated. - // To know what needs to be done look further backward for - // a terminated line. - else - { - // position the cursor over the rightmost paren, so - // that matching it will take us back to the start of - // the line. Helps for: - // func(asdr, - // asdfasdf); - // here; -term_again: - l = ml_get_curline(); - if (find_last_paren(l, '(', ')') - && (trypos = find_match_paren( - curbuf->b_ind_maxparen)) != NULL) - { - // Check if we are on a case label now. This is - // handled above. - // case xx: if ( asdf && - // asdf) - curwin->w_cursor = *trypos; - l = ml_get_curline(); - if (cin_iscase(l, FALSE) || cin_isscopedecl(l)) - { - ++curwin->w_cursor.lnum; - curwin->w_cursor.col = 0; - continue; - } - } - - // When aligning with the case statement, don't align - // with a statement after it. - // case 1: { <-- don't use this { position - // stat; - // } - // case 2: - // stat; - // } - iscase = (curbuf->b_ind_keep_case_label - && cin_iscase(l, FALSE)); - - // Get indent and pointer to text for current line, - // ignoring any jump label. - amount = skip_label(curwin->w_cursor.lnum, &l); - - if (theline[0] == '{') - amount += curbuf->b_ind_open_extra; - // See remark above: "Only add b_ind_open_extra.." - l = skipwhite(l); - if (*l == '{') - amount -= curbuf->b_ind_open_extra; - lookfor = iscase ? LOOKFOR_ANY : LOOKFOR_TERM; - - // When a terminated line starts with "else" skip to - // the matching "if": - // else 3; - // indent this; - // Need to use the scope of this "else". XXX - // If whilelevel != 0 continue looking for a "do {". - if (lookfor == LOOKFOR_TERM - && *l != '}' - && cin_iselse(l) - && whilelevel == 0) - { - if ((trypos = find_start_brace()) == NULL - || find_match(LOOKFOR_IF, trypos->lnum) - == FAIL) - break; - continue; - } - - // If we're at the end of a block, skip to the start of - // that block. - l = ml_get_curline(); - if (find_last_paren(l, '{', '}') // XXX - && (trypos = find_start_brace()) != NULL) - { - curwin->w_cursor = *trypos; - // if not "else {" check for terminated again - // but skip block for "} else {" - l = cin_skipcomment(ml_get_curline()); - if (*l == '}' || !cin_iselse(l)) - goto term_again; - ++curwin->w_cursor.lnum; - curwin->w_cursor.col = 0; - } - } - } - } - } - } - - // add extra indent for a comment - if (cin_iscomment(theline)) - amount += curbuf->b_ind_comment; - - // subtract extra left-shift for jump labels - if (curbuf->b_ind_jump_label > 0 && original_line_islabel) - amount -= curbuf->b_ind_jump_label; - - goto theend; - } - - // ok -- we're not inside any sort of structure at all! - // - // This means we're at the top level, and everything should - // basically just match where the previous line is, except - // for the lines immediately following a function declaration, - // which are K&R-style parameters and need to be indented. - // - // if our line starts with an open brace, forget about any - // prevailing indent and make sure it looks like the start - // of a function - - if (theline[0] == '{') - { - amount = curbuf->b_ind_first_open; - goto theend; - } - - // If the NEXT line is a function declaration, the current - // line needs to be indented as a function type spec. - // Don't do this if the current line looks like a comment or if the - // current line is terminated, ie. ends in ';', or if the current line - // contains { or }: "void f() {\n if (1)" - if (cur_curpos.lnum < curbuf->b_ml.ml_line_count - && !cin_nocode(theline) - && vim_strchr(theline, '{') == NULL - && vim_strchr(theline, '}') == NULL - && !cin_ends_in(theline, (char_u *)":", NULL) - && !cin_ends_in(theline, (char_u *)",", NULL) - && cin_isfuncdecl(NULL, cur_curpos.lnum + 1, - cur_curpos.lnum + 1) - && !cin_isterminated(theline, FALSE, TRUE)) - { - amount = curbuf->b_ind_func_type; - goto theend; - } - - // search backwards until we find something we recognize - amount = 0; - curwin->w_cursor = cur_curpos; - while (curwin->w_cursor.lnum > 1) - { - curwin->w_cursor.lnum--; - curwin->w_cursor.col = 0; - - l = ml_get_curline(); - - // If we're in a comment or raw string now, skip to the start - // of it. XXX - if ((trypos = ind_find_start_CORS(NULL)) != NULL) - { - curwin->w_cursor.lnum = trypos->lnum + 1; - curwin->w_cursor.col = 0; - continue; - } - - // Are we at the start of a cpp base class declaration or - // constructor initialization? XXX - n = FALSE; - if (curbuf->b_ind_cpp_baseclass != 0 && theline[0] != '{') - { - n = cin_is_cpp_baseclass(&cache_cpp_baseclass); - l = ml_get_curline(); - } - if (n) - { - // XXX - amount = get_baseclass_amount(cache_cpp_baseclass.lpos.col); - break; - } - - // Skip preprocessor directives and blank lines. - if (cin_ispreproc_cont(&l, &curwin->w_cursor.lnum, &amount)) - continue; - - if (cin_nocode(l)) - continue; - - // If the previous line ends in ',', use one level of - // indentation: - // int foo, - // bar; - // do this before checking for '}' in case of eg. - // enum foobar - // { - // ... - // } foo, - // bar; - n = 0; - if (cin_ends_in(l, (char_u *)",", NULL) - || (*l != NUL && (n = l[STRLEN(l) - 1]) == '\\')) - { - // take us back to opening paren - if (find_last_paren(l, '(', ')') - && (trypos = find_match_paren( - curbuf->b_ind_maxparen)) != NULL) - curwin->w_cursor = *trypos; - - /* - * For a line ending in ',' that is a continuation line go - * back to the first line with a backslash: - * char *foo = "bla\ - * bla", - * here; - */ - while (n == 0 && curwin->w_cursor.lnum > 1) - { - l = ml_get(curwin->w_cursor.lnum - 1); - if (*l == NUL || l[STRLEN(l) - 1] != '\\') - break; - --curwin->w_cursor.lnum; - curwin->w_cursor.col = 0; - } - - amount = get_indent(); // XXX - - if (amount == 0) - amount = cin_first_id_amount(); - if (amount == 0) - amount = ind_continuation; - break; - } - - // If the line looks like a function declaration, and we're - // not in a comment, put it the left margin. - if (cin_isfuncdecl(NULL, cur_curpos.lnum, 0)) // XXX - break; - l = ml_get_curline(); - - // Finding the closing '}' of a previous function. Put - // current line at the left margin. For when 'cino' has "fs". - if (*skipwhite(l) == '}') - break; - - // (matching {) - // If the previous line ends on '};' (maybe followed by - // comments) align at column 0. For example: - // char *string_array[] = { "foo", - // / * x * / "b};ar" }; / * foobar * / - if (cin_ends_in(l, (char_u *)"};", NULL)) - break; - - // If the previous line ends on '[' we are probably in an - // array constant: - // something = [ - // 234, <- extra indent - if (cin_ends_in(l, (char_u *)"[", NULL)) - { - amount = get_indent() + ind_continuation; - break; - } - - // Find a line only has a semicolon that belongs to a previous - // line ending in '}', e.g. before an #endif. Don't increase - // indent then. - if (*(look = skipwhite(l)) == ';' && cin_nocode(look + 1)) - { - pos_T curpos_save = curwin->w_cursor; - - while (curwin->w_cursor.lnum > 1) - { - look = ml_get(--curwin->w_cursor.lnum); - if (!(cin_nocode(look) || cin_ispreproc_cont( - &look, &curwin->w_cursor.lnum, &amount))) - break; - } - if (curwin->w_cursor.lnum > 0 - && cin_ends_in(look, (char_u *)"}", NULL)) - break; - - curwin->w_cursor = curpos_save; - } - - // If the PREVIOUS line is a function declaration, the current - // line (and the ones that follow) needs to be indented as - // parameters. - if (cin_isfuncdecl(&l, curwin->w_cursor.lnum, 0)) - { - amount = curbuf->b_ind_param; - break; - } - - // If the previous line ends in ';' and the line before the - // previous line ends in ',' or '\', ident to column zero: - // int foo, - // bar; - // indent_to_0 here; - if (cin_ends_in(l, (char_u *)";", NULL)) - { - l = ml_get(curwin->w_cursor.lnum - 1); - if (cin_ends_in(l, (char_u *)",", NULL) - || (*l != NUL && l[STRLEN(l) - 1] == '\\')) - break; - l = ml_get_curline(); - } - - // Doesn't look like anything interesting -- so just - // use the indent of this line. - // - // Position the cursor over the rightmost paren, so that - // matching it will take us back to the start of the line. - find_last_paren(l, '(', ')'); - - if ((trypos = find_match_paren(curbuf->b_ind_maxparen)) != NULL) - curwin->w_cursor = *trypos; - amount = get_indent(); // XXX - break; - } - - // add extra indent for a comment - if (cin_iscomment(theline)) - amount += curbuf->b_ind_comment; - - /* - * add extra indent if the previous line ended in a backslash: - * "asdfasdf\ - * here"; - * char *foo = "asdf\ - * here"; - */ - if (cur_curpos.lnum > 1) - { - l = ml_get(cur_curpos.lnum - 1); - if (*l != NUL && l[STRLEN(l) - 1] == '\\') - { - cur_amount = cin_get_equal_amount(cur_curpos.lnum - 1); - if (cur_amount > 0) - amount = cur_amount; - else if (cur_amount == 0) - amount += ind_continuation; - } - } - -theend: - if (amount < 0) - amount = 0; - -laterend: - // put the cursor back where it belongs - curwin->w_cursor = cur_curpos; - - vim_free(linecopy); - - return amount; -} - - static int -find_match(int lookfor, linenr_T ourscope) -{ - char_u *look; - pos_T *theirscope; - char_u *mightbeif; - int elselevel; - int whilelevel; - - if (lookfor == LOOKFOR_IF) - { - elselevel = 1; - whilelevel = 0; - } - else - { - elselevel = 0; - whilelevel = 1; - } - - curwin->w_cursor.col = 0; - - while (curwin->w_cursor.lnum > ourscope + 1) - { - curwin->w_cursor.lnum--; - curwin->w_cursor.col = 0; - - look = cin_skipcomment(ml_get_curline()); - if (cin_iselse(look) - || cin_isif(look) - || cin_isdo(look) // XXX - || cin_iswhileofdo(look, curwin->w_cursor.lnum)) - { - // if we've gone outside the braces entirely, - // we must be out of scope... - theirscope = find_start_brace(); // XXX - if (theirscope == NULL) - break; - - // and if the brace enclosing this is further - // back than the one enclosing the else, we're - // out of luck too. - if (theirscope->lnum < ourscope) - break; - - // and if they're enclosed in a *deeper* brace, - // then we can ignore it because it's in a - // different scope... - if (theirscope->lnum > ourscope) - continue; - - // if it was an "else" (that's not an "else if") - // then we need to go back to another if, so - // increment elselevel - look = cin_skipcomment(ml_get_curline()); - if (cin_iselse(look)) - { - mightbeif = cin_skipcomment(look + 4); - if (!cin_isif(mightbeif)) - ++elselevel; - continue; - } - - // if it was a "while" then we need to go back to - // another "do", so increment whilelevel. XXX - if (cin_iswhileofdo(look, curwin->w_cursor.lnum)) - { - ++whilelevel; - continue; - } - - // If it's an "if" decrement elselevel - look = cin_skipcomment(ml_get_curline()); - if (cin_isif(look)) - { - elselevel--; - // When looking for an "if" ignore "while"s that - // get in the way. - if (elselevel == 0 && lookfor == LOOKFOR_IF) - whilelevel = 0; - } - - // If it's a "do" decrement whilelevel - if (cin_isdo(look)) - whilelevel--; - - // if we've used up all the elses, then - // this must be the if that we want! - // match the indent level of that if. - if (elselevel <= 0 && whilelevel <= 0) - return OK; - } - } - return FAIL; -} - -# if defined(FEAT_EVAL) || defined(PROTO) -/* - * Get indent level from 'indentexpr'. - */ - int -get_expr_indent(void) -{ - int indent = -1; - char_u *inde_copy; - pos_T save_pos; - colnr_T save_curswant; - int save_set_curswant; - int save_State; - int use_sandbox = was_set_insecurely((char_u *)"indentexpr", - OPT_LOCAL); - - // Save and restore cursor position and curswant, in case it was changed - // via :normal commands - save_pos = curwin->w_cursor; - save_curswant = curwin->w_curswant; - save_set_curswant = curwin->w_set_curswant; - set_vim_var_nr(VV_LNUM, curwin->w_cursor.lnum); - if (use_sandbox) - ++sandbox; - ++textlock; - - // Need to make a copy, the 'indentexpr' option could be changed while - // evaluating it. - inde_copy = vim_strsave(curbuf->b_p_inde); - if (inde_copy != NULL) - { - indent = (int)eval_to_number(inde_copy); - vim_free(inde_copy); - } - - if (use_sandbox) - --sandbox; - --textlock; - - // Restore the cursor position so that 'indentexpr' doesn't need to. - // Pretend to be in Insert mode, allow cursor past end of line for "o" - // command. - save_State = State; - State = INSERT; - curwin->w_cursor = save_pos; - curwin->w_curswant = save_curswant; - curwin->w_set_curswant = save_set_curswant; - check_cursor(); - State = save_State; - - // If there is an error, just keep the current indent. - if (indent < 0) - indent = get_indent(); - - return indent; -} -# endif - -/* - * return TRUE if 'cinkeys' contains the key "keytyped", - * when == '*': Only if key is preceded with '*' (indent before insert) - * when == '!': Only if key is preceded with '!' (don't insert) - * when == ' ': Only if key is not preceded with '*'(indent afterwards) - * - * "keytyped" can have a few special values: - * KEY_OPEN_FORW - * KEY_OPEN_BACK - * KEY_COMPLETE just finished completion. - * - * If line_is_empty is TRUE accept keys with '0' before them. - */ - int -in_cinkeys( - int keytyped, - int when, - int line_is_empty) -{ - char_u *look; - int try_match; - int try_match_word; - char_u *p; - char_u *line; - int icase; - int i; - - if (keytyped == NUL) - // Can happen with CTRL-Y and CTRL-E on a short line. - return FALSE; - -#ifdef FEAT_EVAL - if (*curbuf->b_p_inde != NUL) - look = curbuf->b_p_indk; // 'indentexpr' set: use 'indentkeys' - else -#endif - look = curbuf->b_p_cink; // 'indentexpr' empty: use 'cinkeys' - while (*look) - { - // Find out if we want to try a match with this key, depending on - // 'when' and a '*' or '!' before the key. - switch (when) - { - case '*': try_match = (*look == '*'); break; - case '!': try_match = (*look == '!'); break; - default: try_match = (*look != '*'); break; - } - if (*look == '*' || *look == '!') - ++look; - - // If there is a '0', only accept a match if the line is empty. - // But may still match when typing last char of a word. - if (*look == '0') - { - try_match_word = try_match; - if (!line_is_empty) - try_match = FALSE; - ++look; - } - else - try_match_word = FALSE; - - // does it look like a control character? - if (*look == '^' -#ifdef EBCDIC - && (Ctrl_chr(look[1]) != 0) -#else - && look[1] >= '?' && look[1] <= '_' -#endif - ) - { - if (try_match && keytyped == Ctrl_chr(look[1])) - return TRUE; - look += 2; - } - // 'o' means "o" command, open forward. - // 'O' means "O" command, open backward. - else if (*look == 'o') - { - if (try_match && keytyped == KEY_OPEN_FORW) - return TRUE; - ++look; - } - else if (*look == 'O') - { - if (try_match && keytyped == KEY_OPEN_BACK) - return TRUE; - ++look; - } - - // 'e' means to check for "else" at start of line and just before the - // cursor. - else if (*look == 'e') - { - if (try_match && keytyped == 'e' && curwin->w_cursor.col >= 4) - { - p = ml_get_curline(); - if (skipwhite(p) == p + curwin->w_cursor.col - 4 && - STRNCMP(p + curwin->w_cursor.col - 4, "else", 4) == 0) - return TRUE; - } - ++look; - } - - // ':' only causes an indent if it is at the end of a label or case - // statement, or when it was before typing the ':' (to fix - // class::method for C++). - else if (*look == ':') - { - if (try_match && keytyped == ':') - { - p = ml_get_curline(); - if (cin_iscase(p, FALSE) || cin_isscopedecl(p) || cin_islabel()) - return TRUE; - // Need to get the line again after cin_islabel(). - p = ml_get_curline(); - if (curwin->w_cursor.col > 2 - && p[curwin->w_cursor.col - 1] == ':' - && p[curwin->w_cursor.col - 2] == ':') - { - p[curwin->w_cursor.col - 1] = ' '; - i = (cin_iscase(p, FALSE) || cin_isscopedecl(p) - || cin_islabel()); - p = ml_get_curline(); - p[curwin->w_cursor.col - 1] = ':'; - if (i) - return TRUE; - } - } - ++look; - } - - - // Is it a key in <>, maybe? - else if (*look == '<') - { - if (try_match) - { - // make up some named keys , , , <0>, <>>, <<>, <*>, - // <:> and so that people can re-indent on o, O, e, 0, <, - // >, *, : and ! keys if they really really want to. - if (vim_strchr((char_u *)"<>!*oOe0:", look[1]) != NULL - && keytyped == look[1]) - return TRUE; - - if (keytyped == get_special_key_code(look + 1)) - return TRUE; - } - while (*look && *look != '>') - look++; - while (*look == '>') - look++; - } - - // Is it a word: "=word"? - else if (*look == '=' && look[1] != ',' && look[1] != NUL) - { - ++look; - if (*look == '~') - { - icase = TRUE; - ++look; - } - else - icase = FALSE; - p = vim_strchr(look, ','); - if (p == NULL) - p = look + STRLEN(look); - if ((try_match || try_match_word) - && curwin->w_cursor.col >= (colnr_T)(p - look)) - { - int match = FALSE; - - if (keytyped == KEY_COMPLETE) - { - char_u *s; - - // Just completed a word, check if it starts with "look". - // search back for the start of a word. - line = ml_get_curline(); - if (has_mbyte) - { - char_u *n; - - for (s = line + curwin->w_cursor.col; s > line; s = n) - { - n = mb_prevptr(line, s); - if (!vim_iswordp(n)) - break; - } - } - else - for (s = line + curwin->w_cursor.col; s > line; --s) - if (!vim_iswordc(s[-1])) - break; - if (s + (p - look) <= line + curwin->w_cursor.col - && (icase - ? MB_STRNICMP(s, look, p - look) - : STRNCMP(s, look, p - look)) == 0) - match = TRUE; - } - else - // TODO: multi-byte - if (keytyped == (int)p[-1] || (icase && keytyped < 256 - && TOLOWER_LOC(keytyped) == TOLOWER_LOC((int)p[-1]))) - { - line = ml_get_cursor(); - if ((curwin->w_cursor.col == (colnr_T)(p - look) - || !vim_iswordc(line[-(p - look) - 1])) - && (icase - ? MB_STRNICMP(line - (p - look), look, p - look) - : STRNCMP(line - (p - look), look, p - look)) - == 0) - match = TRUE; - } - if (match && try_match_word && !try_match) - { - // "0=word": Check if there are only blanks before the - // word. - if (getwhitecols_curline() != - (int)(curwin->w_cursor.col - (p - look))) - match = FALSE; - } - if (match) - return TRUE; - } - look = p; - } - - // ok, it's a boring generic character. - else - { - if (try_match && *look == keytyped) - return TRUE; - if (*look != NUL) - ++look; - } - - // Skip over ", ". - look = skip_to_option_part(look); - } - return FALSE; -} -#endif // FEAT_CINDENT - -#if defined(FEAT_LISP) || defined(PROTO) - - static int -lisp_match(char_u *p) -{ - char_u buf[LSIZE]; - int len; - char_u *word = *curbuf->b_p_lw != NUL ? curbuf->b_p_lw : p_lispwords; - - while (*word != NUL) - { - (void)copy_option_part(&word, buf, LSIZE, ","); - len = (int)STRLEN(buf); - if (STRNCMP(buf, p, len) == 0 && p[len] == ' ') - return TRUE; - } - return FALSE; -} - -/* - * When 'p' is present in 'cpoptions, a Vi compatible method is used. - * The incompatible newer method is quite a bit better at indenting - * code in lisp-like languages than the traditional one; it's still - * mostly heuristics however -- Dirk van Deun, dirk@rave.org - * - * TODO: - * Findmatch() should be adapted for lisp, also to make showmatch - * work correctly: now (v5.3) it seems all C/C++ oriented: - * - it does not recognize the #\( and #\) notations as character literals - * - it doesn't know about comments starting with a semicolon - * - it incorrectly interprets '(' as a character literal - * All this messes up get_lisp_indent in some rare cases. - * Update from Sergey Khorev: - * I tried to fix the first two issues. - */ - int -get_lisp_indent(void) -{ - pos_T *pos, realpos, paren; - int amount; - char_u *that; - colnr_T col; - colnr_T firsttry; - int parencount, quotecount; - int vi_lisp; - - // Set vi_lisp to use the vi-compatible method - vi_lisp = (vim_strchr(p_cpo, CPO_LISP) != NULL); - - realpos = curwin->w_cursor; - curwin->w_cursor.col = 0; - - if ((pos = findmatch(NULL, '(')) == NULL) - pos = findmatch(NULL, '['); - else - { - paren = *pos; - pos = findmatch(NULL, '['); - if (pos == NULL || LT_POSP(pos, &paren)) - pos = &paren; - } - if (pos != NULL) - { - // Extra trick: Take the indent of the first previous non-white - // line that is at the same () level. - amount = -1; - parencount = 0; - - while (--curwin->w_cursor.lnum >= pos->lnum) - { - if (linewhite(curwin->w_cursor.lnum)) - continue; - for (that = ml_get_curline(); *that != NUL; ++that) - { - if (*that == ';') - { - while (*(that + 1) != NUL) - ++that; - continue; - } - if (*that == '\\') - { - if (*(that + 1) != NUL) - ++that; - continue; - } - if (*that == '"' && *(that + 1) != NUL) - { - while (*++that && *that != '"') - { - // skipping escaped characters in the string - if (*that == '\\') - { - if (*++that == NUL) - break; - if (that[1] == NUL) - { - ++that; - break; - } - } - } - } - if (*that == '(' || *that == '[') - ++parencount; - else if (*that == ')' || *that == ']') - --parencount; - } - if (parencount == 0) - { - amount = get_indent(); - break; - } - } - - if (amount == -1) - { - curwin->w_cursor.lnum = pos->lnum; - curwin->w_cursor.col = pos->col; - col = pos->col; - - that = ml_get_curline(); - - if (vi_lisp && get_indent() == 0) - amount = 2; - else - { - char_u *line = that; - - amount = 0; - while (*that && col) - { - amount += lbr_chartabsize_adv(line, &that, (colnr_T)amount); - col--; - } - - // Some keywords require "body" indenting rules (the - // non-standard-lisp ones are Scheme special forms): - // - // (let ((a 1)) instead (let ((a 1)) - // (...)) of (...)) - - if (!vi_lisp && (*that == '(' || *that == '[') - && lisp_match(that + 1)) - amount += 2; - else - { - that++; - amount++; - firsttry = amount; - - while (VIM_ISWHITE(*that)) - { - amount += lbr_chartabsize(line, that, (colnr_T)amount); - ++that; - } - - if (*that && *that != ';') // not a comment line - { - // test *that != '(' to accommodate first let/do - // argument if it is more than one line - if (!vi_lisp && *that != '(' && *that != '[') - firsttry++; - - parencount = 0; - quotecount = 0; - - if (vi_lisp - || (*that != '"' - && *that != '\'' - && *that != '#' - && (*that < '0' || *that > '9'))) - { - while (*that - && (!VIM_ISWHITE(*that) - || quotecount - || parencount) - && (!((*that == '(' || *that == '[') - && !quotecount - && !parencount - && vi_lisp))) - { - if (*that == '"') - quotecount = !quotecount; - if ((*that == '(' || *that == '[') - && !quotecount) - ++parencount; - if ((*that == ')' || *that == ']') - && !quotecount) - --parencount; - if (*that == '\\' && *(that+1) != NUL) - amount += lbr_chartabsize_adv( - line, &that, (colnr_T)amount); - amount += lbr_chartabsize_adv( - line, &that, (colnr_T)amount); - } - } - while (VIM_ISWHITE(*that)) - { - amount += lbr_chartabsize( - line, that, (colnr_T)amount); - that++; - } - if (!*that || *that == ';') - amount = firsttry; - } - } - } - } - } - else - amount = 0; // no matching '(' or '[' found, use zero indent - - curwin->w_cursor = realpos; - - return amount; -} -#endif // FEAT_LISP - -#if defined(FEAT_CINDENT) || defined(PROTO) -/* - * Do C or expression indenting on the current line. - */ - void -do_c_expr_indent(void) -{ -# ifdef FEAT_EVAL - if (*curbuf->b_p_inde != NUL) - fixthisline(get_expr_indent); - else -# endif - fixthisline(get_c_indent); -} -#endif - -#if defined(FEAT_LISP) || defined(FEAT_CINDENT) || defined(PROTO) -/* - * Re-indent the current line, based on the current contents of it and the - * surrounding lines. Fixing the cursor position seems really easy -- I'm very - * confused what all the part that handles Control-T is doing that I'm not. - * "get_the_indent" should be get_c_indent, get_expr_indent or get_lisp_indent. - */ - - void -fixthisline(int (*get_the_indent)(void)) -{ - int amount = get_the_indent(); - - if (amount >= 0) - { - change_indent(INDENT_SET, amount, FALSE, 0, TRUE); - if (linewhite(curwin->w_cursor.lnum)) - did_ai = TRUE; // delete the indent if the line stays empty - } -} - - void -fix_indent(void) -{ - if (p_paste) - return; -# ifdef FEAT_LISP - if (curbuf->b_p_lisp && curbuf->b_p_ai) - fixthisline(get_lisp_indent); -# endif -# if defined(FEAT_LISP) && defined(FEAT_CINDENT) - else -# endif -# ifdef FEAT_CINDENT - if (cindent_on()) - do_c_expr_indent(); -# endif -} - -#endif - #if defined(FEAT_VARTABS) || defined(PROTO) /* @@ -4696,7 +251,7 @@ tabstop_fromto( /* * See if two tabstop arrays contain the same values. */ - int + static int tabstop_eq(int *ts1, int *ts2) { int t; @@ -4715,7 +270,7 @@ tabstop_eq(int *ts1, int *ts2) return TRUE; } -#if defined(FEAT_BEVAL) || defined(PROTO) +# if defined(FEAT_BEVAL) || defined(PROTO) /* * Copy a tabstop array, allocating space for the new array. */ @@ -4733,7 +288,7 @@ tabstop_copy(int *oldts) newts[t] = oldts[t]; return newts; } -#endif +# endif /* * Return a count of the number of tabstops. @@ -4799,11 +354,11 @@ get_sw_value_indent(buf_T *buf) get_sw_value_col(buf_T *buf, colnr_T col UNUSED) { return buf->b_p_sw ? buf->b_p_sw : - #ifdef FEAT_VARTABS +#ifdef FEAT_VARTABS tabstop_at(col, buf->b_p_ts, buf->b_p_vts_array); - #else +#else buf->b_p_ts; - #endif +#endif } /* @@ -4815,3 +370,1678 @@ get_sts_value(void) { return curbuf->b_p_sts < 0 ? get_sw_value(curbuf) : curbuf->b_p_sts; } + +/* + * Count the size (in window cells) of the indent in the current line. + */ + int +get_indent(void) +{ +#ifdef FEAT_VARTABS + return get_indent_str_vtab(ml_get_curline(), (int)curbuf->b_p_ts, + curbuf->b_p_vts_array, FALSE); +#else + return get_indent_str(ml_get_curline(), (int)curbuf->b_p_ts, FALSE); +#endif +} + +/* + * Count the size (in window cells) of the indent in line "lnum". + */ + int +get_indent_lnum(linenr_T lnum) +{ +#ifdef FEAT_VARTABS + return get_indent_str_vtab(ml_get(lnum), (int)curbuf->b_p_ts, + curbuf->b_p_vts_array, FALSE); +#else + return get_indent_str(ml_get(lnum), (int)curbuf->b_p_ts, FALSE); +#endif +} + +#if defined(FEAT_FOLDING) || defined(PROTO) +/* + * Count the size (in window cells) of the indent in line "lnum" of buffer + * "buf". + */ + int +get_indent_buf(buf_T *buf, linenr_T lnum) +{ +# ifdef FEAT_VARTABS + return get_indent_str_vtab(ml_get_buf(buf, lnum, FALSE), + (int)curbuf->b_p_ts, buf->b_p_vts_array, FALSE); +# else + return get_indent_str(ml_get_buf(buf, lnum, FALSE), (int)buf->b_p_ts, FALSE); +# endif +} +#endif + +/* + * count the size (in window cells) of the indent in line "ptr", with + * 'tabstop' at "ts" + */ + int +get_indent_str( + char_u *ptr, + int ts, + int list) // if TRUE, count only screen size for tabs +{ + int count = 0; + + for ( ; *ptr; ++ptr) + { + if (*ptr == TAB) + { + if (!list || lcs_tab1) // count a tab for what it is worth + count += ts - (count % ts); + else + // In list mode, when tab is not set, count screen char width + // for Tab, displays: ^I + count += ptr2cells(ptr); + } + else if (*ptr == ' ') + ++count; // count a space for one + else + break; + } + return count; +} + +#ifdef FEAT_VARTABS +/* + * Count the size (in window cells) of the indent in line "ptr", using + * variable tabstops. + * if "list" is TRUE, count only screen size for tabs. + */ + int +get_indent_str_vtab(char_u *ptr, int ts, int *vts, int list) +{ + int count = 0; + + for ( ; *ptr; ++ptr) + { + if (*ptr == TAB) // count a tab for what it is worth + { + if (!list || lcs_tab1) + count += tabstop_padding(count, ts, vts); + else + // In list mode, when tab is not set, count screen char width + // for Tab, displays: ^I + count += ptr2cells(ptr); + } + else if (*ptr == ' ') + ++count; // count a space for one + else + break; + } + return count; +} +#endif + +/* + * Set the indent of the current line. + * Leaves the cursor on the first non-blank in the line. + * Caller must take care of undo. + * "flags": + * SIN_CHANGED: call changed_bytes() if the line was changed. + * SIN_INSERT: insert the indent in front of the line. + * SIN_UNDO: save line for undo before changing it. + * Returns TRUE if the line was changed. + */ + int +set_indent( + int size, // measured in spaces + int flags) +{ + char_u *p; + char_u *newline; + char_u *oldline; + char_u *s; + int todo; + int ind_len; // measured in characters + int line_len; + int doit = FALSE; + int ind_done = 0; // measured in spaces +#ifdef FEAT_VARTABS + int ind_col = 0; +#endif + int tab_pad; + int retval = FALSE; + int orig_char_len = -1; // number of initial whitespace chars when + // 'et' and 'pi' are both set + + // First check if there is anything to do and compute the number of + // characters needed for the indent. + todo = size; + ind_len = 0; + p = oldline = ml_get_curline(); + + // Calculate the buffer size for the new indent, and check to see if it + // isn't already set + + // if 'expandtab' isn't set: use TABs; if both 'expandtab' and + // 'preserveindent' are set count the number of characters at the + // beginning of the line to be copied + if (!curbuf->b_p_et || (!(flags & SIN_INSERT) && curbuf->b_p_pi)) + { + // If 'preserveindent' is set then reuse as much as possible of + // the existing indent structure for the new indent + if (!(flags & SIN_INSERT) && curbuf->b_p_pi) + { + ind_done = 0; + + // count as many characters as we can use + while (todo > 0 && VIM_ISWHITE(*p)) + { + if (*p == TAB) + { +#ifdef FEAT_VARTABS + tab_pad = tabstop_padding(ind_done, curbuf->b_p_ts, + curbuf->b_p_vts_array); +#else + tab_pad = (int)curbuf->b_p_ts + - (ind_done % (int)curbuf->b_p_ts); +#endif + // stop if this tab will overshoot the target + if (todo < tab_pad) + break; + todo -= tab_pad; + ++ind_len; + ind_done += tab_pad; + } + else + { + --todo; + ++ind_len; + ++ind_done; + } + ++p; + } + +#ifdef FEAT_VARTABS + // These diverge from this point. + ind_col = ind_done; +#endif + // Set initial number of whitespace chars to copy if we are + // preserving indent but expandtab is set + if (curbuf->b_p_et) + orig_char_len = ind_len; + + // Fill to next tabstop with a tab, if possible +#ifdef FEAT_VARTABS + tab_pad = tabstop_padding(ind_done, curbuf->b_p_ts, + curbuf->b_p_vts_array); +#else + tab_pad = (int)curbuf->b_p_ts - (ind_done % (int)curbuf->b_p_ts); +#endif + if (todo >= tab_pad && orig_char_len == -1) + { + doit = TRUE; + todo -= tab_pad; + ++ind_len; + // ind_done += tab_pad; +#ifdef FEAT_VARTABS + ind_col += tab_pad; +#endif + } + } + + // count tabs required for indent +#ifdef FEAT_VARTABS + for (;;) + { + tab_pad = tabstop_padding(ind_col, curbuf->b_p_ts, + curbuf->b_p_vts_array); + if (todo < tab_pad) + break; + if (*p != TAB) + doit = TRUE; + else + ++p; + todo -= tab_pad; + ++ind_len; + ind_col += tab_pad; + } +#else + while (todo >= (int)curbuf->b_p_ts) + { + if (*p != TAB) + doit = TRUE; + else + ++p; + todo -= (int)curbuf->b_p_ts; + ++ind_len; + // ind_done += (int)curbuf->b_p_ts; + } +#endif + } + // count spaces required for indent + while (todo > 0) + { + if (*p != ' ') + doit = TRUE; + else + ++p; + --todo; + ++ind_len; + // ++ind_done; + } + + // Return if the indent is OK already. + if (!doit && !VIM_ISWHITE(*p) && !(flags & SIN_INSERT)) + return FALSE; + + // Allocate memory for the new line. + if (flags & SIN_INSERT) + p = oldline; + else + p = skipwhite(p); + line_len = (int)STRLEN(p) + 1; + + // If 'preserveindent' and 'expandtab' are both set keep the original + // characters and allocate accordingly. We will fill the rest with spaces + // after the if (!curbuf->b_p_et) below. + if (orig_char_len != -1) + { + newline = alloc(orig_char_len + size - ind_done + line_len); + if (newline == NULL) + return FALSE; + todo = size - ind_done; + ind_len = orig_char_len + todo; // Set total length of indent in + // characters, which may have been + // undercounted until now + p = oldline; + s = newline; + while (orig_char_len > 0) + { + *s++ = *p++; + orig_char_len--; + } + + // Skip over any additional white space (useful when newindent is less + // than old) + while (VIM_ISWHITE(*p)) + ++p; + + } + else + { + todo = size; + newline = alloc(ind_len + line_len); + if (newline == NULL) + return FALSE; + s = newline; + } + + // Put the characters in the new line. + // if 'expandtab' isn't set: use TABs + if (!curbuf->b_p_et) + { + // If 'preserveindent' is set then reuse as much as possible of + // the existing indent structure for the new indent + if (!(flags & SIN_INSERT) && curbuf->b_p_pi) + { + p = oldline; + ind_done = 0; + + while (todo > 0 && VIM_ISWHITE(*p)) + { + if (*p == TAB) + { +#ifdef FEAT_VARTABS + tab_pad = tabstop_padding(ind_done, curbuf->b_p_ts, + curbuf->b_p_vts_array); +#else + tab_pad = (int)curbuf->b_p_ts + - (ind_done % (int)curbuf->b_p_ts); +#endif + // stop if this tab will overshoot the target + if (todo < tab_pad) + break; + todo -= tab_pad; + ind_done += tab_pad; + } + else + { + --todo; + ++ind_done; + } + *s++ = *p++; + } + + // Fill to next tabstop with a tab, if possible +#ifdef FEAT_VARTABS + tab_pad = tabstop_padding(ind_done, curbuf->b_p_ts, + curbuf->b_p_vts_array); +#else + tab_pad = (int)curbuf->b_p_ts - (ind_done % (int)curbuf->b_p_ts); +#endif + if (todo >= tab_pad) + { + *s++ = TAB; + todo -= tab_pad; +#ifdef FEAT_VARTABS + ind_done += tab_pad; +#endif + } + + p = skipwhite(p); + } + +#ifdef FEAT_VARTABS + for (;;) + { + tab_pad = tabstop_padding(ind_done, curbuf->b_p_ts, + curbuf->b_p_vts_array); + if (todo < tab_pad) + break; + *s++ = TAB; + todo -= tab_pad; + ind_done += tab_pad; + } +#else + while (todo >= (int)curbuf->b_p_ts) + { + *s++ = TAB; + todo -= (int)curbuf->b_p_ts; + } +#endif + } + while (todo > 0) + { + *s++ = ' '; + --todo; + } + mch_memmove(s, p, (size_t)line_len); + + // Replace the line (unless undo fails). + if (!(flags & SIN_UNDO) || u_savesub(curwin->w_cursor.lnum) == OK) + { + ml_replace(curwin->w_cursor.lnum, newline, FALSE); + if (flags & SIN_CHANGED) + changed_bytes(curwin->w_cursor.lnum, 0); + + // Correct saved cursor position if it is in this line. + if (saved_cursor.lnum == curwin->w_cursor.lnum) + { + if (saved_cursor.col >= (colnr_T)(p - oldline)) + // cursor was after the indent, adjust for the number of + // bytes added/removed + saved_cursor.col += ind_len - (colnr_T)(p - oldline); + else if (saved_cursor.col >= (colnr_T)(s - newline)) + // cursor was in the indent, and is now after it, put it back + // at the start of the indent (replacing spaces with TAB) + saved_cursor.col = (colnr_T)(s - newline); + } +#ifdef FEAT_TEXT_PROP + { + int added = ind_len - (colnr_T)(p - oldline); + + // When increasing indent this behaves like spaces were inserted at + // the old indent, when decreasing indent it behaves like spaces + // were deleted at the new indent. + adjust_prop_columns(curwin->w_cursor.lnum, + (colnr_T)(added > 0 ? (p - oldline) : ind_len), added, 0); + } +#endif + retval = TRUE; + } + else + vim_free(newline); + + curwin->w_cursor.col = ind_len; + return retval; +} + +/* + * Return the indent of the current line after a number. Return -1 if no + * number was found. Used for 'n' in 'formatoptions': numbered list. + * Since a pattern is used it can actually handle more than numbers. + */ + int +get_number_indent(linenr_T lnum) +{ + colnr_T col; + pos_T pos; + + regmatch_T regmatch; + int lead_len = 0; // length of comment leader + + if (lnum > curbuf->b_ml.ml_line_count) + return -1; + pos.lnum = 0; + + // In format_lines() (i.e. not insert mode), fo+=q is needed too... + if ((State & INSERT) || has_format_option(FO_Q_COMS)) + lead_len = get_leader_len(ml_get(lnum), NULL, FALSE, TRUE); + + regmatch.regprog = vim_regcomp(curbuf->b_p_flp, RE_MAGIC); + if (regmatch.regprog != NULL) + { + regmatch.rm_ic = FALSE; + + // vim_regexec() expects a pointer to a line. This lets us + // start matching for the flp beyond any comment leader... + if (vim_regexec(®match, ml_get(lnum) + lead_len, (colnr_T)0)) + { + pos.lnum = lnum; + pos.col = (colnr_T)(*regmatch.endp - ml_get(lnum)); + pos.coladd = 0; + } + vim_regfree(regmatch.regprog); + } + + if (pos.lnum == 0 || *ml_get_pos(&pos) == NUL) + return -1; + getvcol(curwin, &pos, &col, NULL, NULL); + return (int)col; +} + +#if defined(FEAT_LINEBREAK) || defined(PROTO) +/* + * Return appropriate space number for breakindent, taking influencing + * parameters into account. Window must be specified, since it is not + * necessarily always the current one. + */ + int +get_breakindent_win( + win_T *wp, + char_u *line) // start of the line +{ + static int prev_indent = 0; // cached indent value + static long prev_ts = 0L; // cached tabstop value + static char_u *prev_line = NULL; // cached pointer to line + static varnumber_T prev_tick = 0; // changedtick of cached value +# ifdef FEAT_VARTABS + static int *prev_vts = NULL; // cached vartabs values +# endif + int bri = 0; + // window width minus window margin space, i.e. what rests for text + const int eff_wwidth = wp->w_width + - ((wp->w_p_nu || wp->w_p_rnu) + && (vim_strchr(p_cpo, CPO_NUMCOL) == NULL) + ? number_width(wp) + 1 : 0); + + // used cached indent, unless pointer or 'tabstop' changed + if (prev_line != line || prev_ts != wp->w_buffer->b_p_ts + || prev_tick != CHANGEDTICK(wp->w_buffer) +# ifdef FEAT_VARTABS + || prev_vts != wp->w_buffer->b_p_vts_array +# endif + ) + { + prev_line = line; + prev_ts = wp->w_buffer->b_p_ts; + prev_tick = CHANGEDTICK(wp->w_buffer); +# ifdef FEAT_VARTABS + prev_vts = wp->w_buffer->b_p_vts_array; + prev_indent = get_indent_str_vtab(line, + (int)wp->w_buffer->b_p_ts, + wp->w_buffer->b_p_vts_array, wp->w_p_list); +# else + prev_indent = get_indent_str(line, + (int)wp->w_buffer->b_p_ts, wp->w_p_list); +# endif + } + bri = prev_indent + wp->w_p_brishift; + + // indent minus the length of the showbreak string + if (wp->w_p_brisbr) + bri -= vim_strsize(p_sbr); + + // Add offset for number column, if 'n' is in 'cpoptions' + bri += win_col_off2(wp); + + // never indent past left window margin + if (bri < 0) + bri = 0; + // always leave at least bri_min characters on the left, + // if text width is sufficient + else if (bri > eff_wwidth - wp->w_p_brimin) + bri = (eff_wwidth - wp->w_p_brimin < 0) + ? 0 : eff_wwidth - wp->w_p_brimin; + + return bri; +} +#endif + +/* + * When extra == 0: Return TRUE if the cursor is before or on the first + * non-blank in the line. + * When extra == 1: Return TRUE if the cursor is before the first non-blank in + * the line. + */ + int +inindent(int extra) +{ + char_u *ptr; + colnr_T col; + + for (col = 0, ptr = ml_get_curline(); VIM_ISWHITE(*ptr); ++col) + ++ptr; + if (col >= curwin->w_cursor.col + extra) + return TRUE; + else + return FALSE; +} + +#if defined(FEAT_LISP) || defined(FEAT_CINDENT) || defined(PROTO) +/* + * op_reindent - handle reindenting a block of lines. + */ + void +op_reindent(oparg_T *oap, int (*how)(void)) +{ + long i; + char_u *l; + int amount; + linenr_T first_changed = 0; + linenr_T last_changed = 0; + linenr_T start_lnum = curwin->w_cursor.lnum; + + // Don't even try when 'modifiable' is off. + if (!curbuf->b_p_ma) + { + emsg(_(e_modifiable)); + return; + } + + for (i = oap->line_count; --i >= 0 && !got_int; ) + { + // it's a slow thing to do, so give feedback so there's no worry that + // the computer's just hung. + + if (i > 1 + && (i % 50 == 0 || i == oap->line_count - 1) + && oap->line_count > p_report) + smsg(_("%ld lines to indent... "), i); + + // Be vi-compatible: For lisp indenting the first line is not + // indented, unless there is only one line. +# ifdef FEAT_LISP + if (i != oap->line_count - 1 || oap->line_count == 1 + || how != get_lisp_indent) +# endif + { + l = skipwhite(ml_get_curline()); + if (*l == NUL) // empty or blank line + amount = 0; + else + amount = how(); // get the indent for this line + + if (amount >= 0 && set_indent(amount, SIN_UNDO)) + { + // did change the indent, call changed_lines() later + if (first_changed == 0) + first_changed = curwin->w_cursor.lnum; + last_changed = curwin->w_cursor.lnum; + } + } + ++curwin->w_cursor.lnum; + curwin->w_cursor.col = 0; // make sure it's valid + } + + // put cursor on first non-blank of indented line + curwin->w_cursor.lnum = start_lnum; + beginline(BL_SOL | BL_FIX); + + // Mark changed lines so that they will be redrawn. When Visual + // highlighting was present, need to continue until the last line. When + // there is no change still need to remove the Visual highlighting. + if (last_changed != 0) + changed_lines(first_changed, 0, + oap->is_VIsual ? start_lnum + oap->line_count : + last_changed + 1, 0L); + else if (oap->is_VIsual) + redraw_curbuf_later(INVERTED); + + if (oap->line_count > p_report) + { + i = oap->line_count - (i + 1); + smsg(NGETTEXT("%ld line indented ", + "%ld lines indented ", i), i); + } + // set '[ and '] marks + curbuf->b_op_start = oap->start; + curbuf->b_op_end = oap->end; +} +#endif // defined(FEAT_LISP) || defined(FEAT_CINDENT) + +#if defined(FEAT_SMARTINDENT) || defined(FEAT_CINDENT) || defined(PROTO) +/* + * Return TRUE if lines starting with '#' should be left aligned. + */ + int +preprocs_left(void) +{ + return +# ifdef FEAT_SMARTINDENT +# ifdef FEAT_CINDENT + (curbuf->b_p_si && !curbuf->b_p_cin) || +# else + curbuf->b_p_si +# endif +# endif +# ifdef FEAT_CINDENT + (curbuf->b_p_cin && in_cinkeys('#', ' ', TRUE) + && curbuf->b_ind_hash_comment == 0) +# endif + ; +} +#endif + +#ifdef FEAT_SMARTINDENT +/* + * Try to do some very smart auto-indenting. + * Used when inserting a "normal" character. + */ + void +ins_try_si(int c) +{ + pos_T *pos, old_pos; + char_u *ptr; + int i; + int temp; + + // do some very smart indenting when entering '{' or '}' + if (((did_si || can_si_back) && c == '{') || (can_si && c == '}')) + { + // for '}' set indent equal to indent of line containing matching '{' + if (c == '}' && (pos = findmatch(NULL, '{')) != NULL) + { + old_pos = curwin->w_cursor; + // If the matching '{' has a ')' immediately before it (ignoring + // white-space), then line up with the start of the line + // containing the matching '(' if there is one. This handles the + // case where an "if (..\n..) {" statement continues over multiple + // lines -- webb + ptr = ml_get(pos->lnum); + i = pos->col; + if (i > 0) // skip blanks before '{' + while (--i > 0 && VIM_ISWHITE(ptr[i])) + ; + curwin->w_cursor.lnum = pos->lnum; + curwin->w_cursor.col = i; + if (ptr[i] == ')' && (pos = findmatch(NULL, '(')) != NULL) + curwin->w_cursor = *pos; + i = get_indent(); + curwin->w_cursor = old_pos; + if (State & VREPLACE_FLAG) + change_indent(INDENT_SET, i, FALSE, NUL, TRUE); + else + (void)set_indent(i, SIN_CHANGED); + } + else if (curwin->w_cursor.col > 0) + { + // when inserting '{' after "O" reduce indent, but not + // more than indent of previous line + temp = TRUE; + if (c == '{' && can_si_back && curwin->w_cursor.lnum > 1) + { + old_pos = curwin->w_cursor; + i = get_indent(); + while (curwin->w_cursor.lnum > 1) + { + ptr = skipwhite(ml_get(--(curwin->w_cursor.lnum))); + + // ignore empty lines and lines starting with '#'. + if (*ptr != '#' && *ptr != NUL) + break; + } + if (get_indent() >= i) + temp = FALSE; + curwin->w_cursor = old_pos; + } + if (temp) + shift_line(TRUE, FALSE, 1, TRUE); + } + } + + // set indent of '#' always to 0 + if (curwin->w_cursor.col > 0 && can_si && c == '#') + { + // remember current indent for next line + old_indent = get_indent(); + (void)set_indent(0, SIN_CHANGED); + } + + // Adjust ai_col, the char at this position can be deleted. + if (ai_col > curwin->w_cursor.col) + ai_col = curwin->w_cursor.col; +} +#endif + +/* + * Insert an indent (for or CTRL-T) or delete an indent (for CTRL-D). + * Keep the cursor on the same character. + * type == INDENT_INC increase indent (for CTRL-T or ) + * type == INDENT_DEC decrease indent (for CTRL-D) + * type == INDENT_SET set indent to "amount" + * if round is TRUE, round the indent to 'shiftwidth' (only with _INC and _Dec). + */ + void +change_indent( + int type, + int amount, + int round, + int replaced, // replaced character, put on replace stack + int call_changed_bytes) // call changed_bytes() +{ + int vcol; + int last_vcol; + int insstart_less; // reduction for Insstart.col + int new_cursor_col; + int i; + char_u *ptr; + int save_p_list; + int start_col; + colnr_T vc; + colnr_T orig_col = 0; // init for GCC + char_u *new_line, *orig_line = NULL; // init for GCC + + // VREPLACE mode needs to know what the line was like before changing + if (State & VREPLACE_FLAG) + { + orig_line = vim_strsave(ml_get_curline()); // Deal with NULL below + orig_col = curwin->w_cursor.col; + } + + // for the following tricks we don't want list mode + save_p_list = curwin->w_p_list; + curwin->w_p_list = FALSE; + vc = getvcol_nolist(&curwin->w_cursor); + vcol = vc; + + // For Replace mode we need to fix the replace stack later, which is only + // possible when the cursor is in the indent. Remember the number of + // characters before the cursor if it's possible. + start_col = curwin->w_cursor.col; + + // determine offset from first non-blank + new_cursor_col = curwin->w_cursor.col; + beginline(BL_WHITE); + new_cursor_col -= curwin->w_cursor.col; + + insstart_less = curwin->w_cursor.col; + + // If the cursor is in the indent, compute how many screen columns the + // cursor is to the left of the first non-blank. + if (new_cursor_col < 0) + vcol = get_indent() - vcol; + + if (new_cursor_col > 0) // can't fix replace stack + start_col = -1; + + // Set the new indent. The cursor will be put on the first non-blank. + if (type == INDENT_SET) + (void)set_indent(amount, call_changed_bytes ? SIN_CHANGED : 0); + else + { + int save_State = State; + + // Avoid being called recursively. + if (State & VREPLACE_FLAG) + State = INSERT; + shift_line(type == INDENT_DEC, round, 1, call_changed_bytes); + State = save_State; + } + insstart_less -= curwin->w_cursor.col; + + // Try to put cursor on same character. + // If the cursor is at or after the first non-blank in the line, + // compute the cursor column relative to the column of the first + // non-blank character. + // If we are not in insert mode, leave the cursor on the first non-blank. + // If the cursor is before the first non-blank, position it relative + // to the first non-blank, counted in screen columns. + if (new_cursor_col >= 0) + { + // When changing the indent while the cursor is touching it, reset + // Insstart_col to 0. + if (new_cursor_col == 0) + insstart_less = MAXCOL; + new_cursor_col += curwin->w_cursor.col; + } + else if (!(State & INSERT)) + new_cursor_col = curwin->w_cursor.col; + else + { + // Compute the screen column where the cursor should be. + vcol = get_indent() - vcol; + curwin->w_virtcol = (colnr_T)((vcol < 0) ? 0 : vcol); + + // Advance the cursor until we reach the right screen column. + vcol = last_vcol = 0; + new_cursor_col = -1; + ptr = ml_get_curline(); + while (vcol <= (int)curwin->w_virtcol) + { + last_vcol = vcol; + if (has_mbyte && new_cursor_col >= 0) + new_cursor_col += (*mb_ptr2len)(ptr + new_cursor_col); + else + ++new_cursor_col; + vcol += lbr_chartabsize(ptr, ptr + new_cursor_col, (colnr_T)vcol); + } + vcol = last_vcol; + + // May need to insert spaces to be able to position the cursor on + // the right screen column. + if (vcol != (int)curwin->w_virtcol) + { + curwin->w_cursor.col = (colnr_T)new_cursor_col; + i = (int)curwin->w_virtcol - vcol; + ptr = alloc(i + 1); + if (ptr != NULL) + { + new_cursor_col += i; + ptr[i] = NUL; + while (--i >= 0) + ptr[i] = ' '; + ins_str(ptr); + vim_free(ptr); + } + } + + // When changing the indent while the cursor is in it, reset + // Insstart_col to 0. + insstart_less = MAXCOL; + } + + curwin->w_p_list = save_p_list; + + if (new_cursor_col <= 0) + curwin->w_cursor.col = 0; + else + curwin->w_cursor.col = (colnr_T)new_cursor_col; + curwin->w_set_curswant = TRUE; + changed_cline_bef_curs(); + + // May have to adjust the start of the insert. + if (State & INSERT) + { + if (curwin->w_cursor.lnum == Insstart.lnum && Insstart.col != 0) + { + if ((int)Insstart.col <= insstart_less) + Insstart.col = 0; + else + Insstart.col -= insstart_less; + } + if ((int)ai_col <= insstart_less) + ai_col = 0; + else + ai_col -= insstart_less; + } + + // For REPLACE mode, may have to fix the replace stack, if it's possible. + // If the number of characters before the cursor decreased, need to pop a + // few characters from the replace stack. + // If the number of characters before the cursor increased, need to push a + // few NULs onto the replace stack. + if (REPLACE_NORMAL(State) && start_col >= 0) + { + while (start_col > (int)curwin->w_cursor.col) + { + replace_join(0); // remove a NUL from the replace stack + --start_col; + } + while (start_col < (int)curwin->w_cursor.col || replaced) + { + replace_push(NUL); + if (replaced) + { + replace_push(replaced); + replaced = NUL; + } + ++start_col; + } + } + + // For VREPLACE mode, we also have to fix the replace stack. In this case + // it is always possible because we backspace over the whole line and then + // put it back again the way we wanted it. + if (State & VREPLACE_FLAG) + { + // If orig_line didn't allocate, just return. At least we did the job, + // even if you can't backspace. + if (orig_line == NULL) + return; + + // Save new line + new_line = vim_strsave(ml_get_curline()); + if (new_line == NULL) + return; + + // We only put back the new line up to the cursor + new_line[curwin->w_cursor.col] = NUL; + + // Put back original line + ml_replace(curwin->w_cursor.lnum, orig_line, FALSE); + curwin->w_cursor.col = orig_col; + + // Backspace from cursor to start of line + backspace_until_column(0); + + // Insert new stuff into line again + ins_bytes(new_line); + + vim_free(new_line); + } +} + +/* + * Copy the indent from ptr to the current line (and fill to size) + * Leaves the cursor on the first non-blank in the line. + * Returns TRUE if the line was changed. + */ + int +copy_indent(int size, char_u *src) +{ + char_u *p = NULL; + char_u *line = NULL; + char_u *s; + int todo; + int ind_len; + int line_len = 0; + int tab_pad; + int ind_done; + int round; +#ifdef FEAT_VARTABS + int ind_col; +#endif + + // Round 1: compute the number of characters needed for the indent + // Round 2: copy the characters. + for (round = 1; round <= 2; ++round) + { + todo = size; + ind_len = 0; + ind_done = 0; +#ifdef FEAT_VARTABS + ind_col = 0; +#endif + s = src; + + // Count/copy the usable portion of the source line + while (todo > 0 && VIM_ISWHITE(*s)) + { + if (*s == TAB) + { +#ifdef FEAT_VARTABS + tab_pad = tabstop_padding(ind_done, curbuf->b_p_ts, + curbuf->b_p_vts_array); +#else + tab_pad = (int)curbuf->b_p_ts + - (ind_done % (int)curbuf->b_p_ts); +#endif + // Stop if this tab will overshoot the target + if (todo < tab_pad) + break; + todo -= tab_pad; + ind_done += tab_pad; +#ifdef FEAT_VARTABS + ind_col += tab_pad; +#endif + } + else + { + --todo; + ++ind_done; +#ifdef FEAT_VARTABS + ++ind_col; +#endif + } + ++ind_len; + if (p != NULL) + *p++ = *s; + ++s; + } + + // Fill to next tabstop with a tab, if possible +#ifdef FEAT_VARTABS + tab_pad = tabstop_padding(ind_done, curbuf->b_p_ts, + curbuf->b_p_vts_array); +#else + tab_pad = (int)curbuf->b_p_ts - (ind_done % (int)curbuf->b_p_ts); +#endif + if (todo >= tab_pad && !curbuf->b_p_et) + { + todo -= tab_pad; + ++ind_len; +#ifdef FEAT_VARTABS + ind_col += tab_pad; +#endif + if (p != NULL) + *p++ = TAB; + } + + // Add tabs required for indent + if (!curbuf->b_p_et) + { +#ifdef FEAT_VARTABS + for (;;) + { + tab_pad = tabstop_padding(ind_col, curbuf->b_p_ts, + curbuf->b_p_vts_array); + if (todo < tab_pad) + break; + todo -= tab_pad; + ++ind_len; + ind_col += tab_pad; + if (p != NULL) + *p++ = TAB; + } +#else + while (todo >= (int)curbuf->b_p_ts) + { + todo -= (int)curbuf->b_p_ts; + ++ind_len; + if (p != NULL) + *p++ = TAB; + } +#endif + } + + // Count/add spaces required for indent + while (todo > 0) + { + --todo; + ++ind_len; + if (p != NULL) + *p++ = ' '; + } + + if (p == NULL) + { + // Allocate memory for the result: the copied indent, new indent + // and the rest of the line. + line_len = (int)STRLEN(ml_get_curline()) + 1; + line = alloc(ind_len + line_len); + if (line == NULL) + return FALSE; + p = line; + } + } + + // Append the original line + mch_memmove(p, ml_get_curline(), (size_t)line_len); + + // Replace the line + ml_replace(curwin->w_cursor.lnum, line, FALSE); + + // Put the cursor after the indent. + curwin->w_cursor.col = ind_len; + return TRUE; +} + +/* + * ":retab". + */ + void +ex_retab(exarg_T *eap) +{ + linenr_T lnum; + int got_tab = FALSE; + long num_spaces = 0; + long num_tabs; + long len; + long col; + long vcol; + long start_col = 0; /* For start of white-space string */ + long start_vcol = 0; /* For start of white-space string */ + long old_len; + char_u *ptr; + char_u *new_line = (char_u *)1; /* init to non-NULL */ + int did_undo; /* called u_save for current line */ +#ifdef FEAT_VARTABS + int *new_vts_array = NULL; + char_u *new_ts_str; /* string value of tab argument */ +#else + int temp; + int new_ts; +#endif + int save_list; + linenr_T first_line = 0; /* first changed line */ + linenr_T last_line = 0; /* last changed line */ + + save_list = curwin->w_p_list; + curwin->w_p_list = 0; /* don't want list mode here */ + +#ifdef FEAT_VARTABS + new_ts_str = eap->arg; + if (!tabstop_set(eap->arg, &new_vts_array)) + return; + while (vim_isdigit(*(eap->arg)) || *(eap->arg) == ',') + ++(eap->arg); + + // This ensures that either new_vts_array and new_ts_str are freshly + // allocated, or new_vts_array points to an existing array and new_ts_str + // is null. + if (new_vts_array == NULL) + { + new_vts_array = curbuf->b_p_vts_array; + new_ts_str = NULL; + } + else + new_ts_str = vim_strnsave(new_ts_str, eap->arg - new_ts_str); +#else + new_ts = getdigits(&(eap->arg)); + if (new_ts < 0) + { + emsg(_(e_positive)); + return; + } + if (new_ts == 0) + new_ts = curbuf->b_p_ts; +#endif + for (lnum = eap->line1; !got_int && lnum <= eap->line2; ++lnum) + { + ptr = ml_get(lnum); + col = 0; + vcol = 0; + did_undo = FALSE; + for (;;) + { + if (VIM_ISWHITE(ptr[col])) + { + if (!got_tab && num_spaces == 0) + { + /* First consecutive white-space */ + start_vcol = vcol; + start_col = col; + } + if (ptr[col] == ' ') + num_spaces++; + else + got_tab = TRUE; + } + else + { + if (got_tab || (eap->forceit && num_spaces > 1)) + { + /* Retabulate this string of white-space */ + + /* len is virtual length of white string */ + len = num_spaces = vcol - start_vcol; + num_tabs = 0; + if (!curbuf->b_p_et) + { +#ifdef FEAT_VARTABS + int t, s; + + tabstop_fromto(start_vcol, vcol, + curbuf->b_p_ts, new_vts_array, &t, &s); + num_tabs = t; + num_spaces = s; +#else + temp = new_ts - (start_vcol % new_ts); + if (num_spaces >= temp) + { + num_spaces -= temp; + num_tabs++; + } + num_tabs += num_spaces / new_ts; + num_spaces -= (num_spaces / new_ts) * new_ts; +#endif + } + if (curbuf->b_p_et || got_tab || + (num_spaces + num_tabs < len)) + { + if (did_undo == FALSE) + { + did_undo = TRUE; + if (u_save((linenr_T)(lnum - 1), + (linenr_T)(lnum + 1)) == FAIL) + { + new_line = NULL; /* flag out-of-memory */ + break; + } + } + + /* len is actual number of white characters used */ + len = num_spaces + num_tabs; + old_len = (long)STRLEN(ptr); + new_line = alloc(old_len - col + start_col + len + 1); + if (new_line == NULL) + break; + if (start_col > 0) + mch_memmove(new_line, ptr, (size_t)start_col); + mch_memmove(new_line + start_col + len, + ptr + col, (size_t)(old_len - col + 1)); + ptr = new_line + start_col; + for (col = 0; col < len; col++) + ptr[col] = (col < num_tabs) ? '\t' : ' '; + ml_replace(lnum, new_line, FALSE); + if (first_line == 0) + first_line = lnum; + last_line = lnum; + ptr = new_line; + col = start_col + len; + } + } + got_tab = FALSE; + num_spaces = 0; + } + if (ptr[col] == NUL) + break; + vcol += chartabsize(ptr + col, (colnr_T)vcol); + if (has_mbyte) + col += (*mb_ptr2len)(ptr + col); + else + ++col; + } + if (new_line == NULL) /* out of memory */ + break; + line_breakcheck(); + } + if (got_int) + emsg(_(e_interr)); + +#ifdef FEAT_VARTABS + // If a single value was given then it can be considered equal to + // either the value of 'tabstop' or the value of 'vartabstop'. + if (tabstop_count(curbuf->b_p_vts_array) == 0 + && tabstop_count(new_vts_array) == 1 + && curbuf->b_p_ts == tabstop_first(new_vts_array)) + ; /* not changed */ + else if (tabstop_count(curbuf->b_p_vts_array) > 0 + && tabstop_eq(curbuf->b_p_vts_array, new_vts_array)) + ; /* not changed */ + else + redraw_curbuf_later(NOT_VALID); +#else + if (curbuf->b_p_ts != new_ts) + redraw_curbuf_later(NOT_VALID); +#endif + if (first_line != 0) + changed_lines(first_line, 0, last_line + 1, 0L); + + curwin->w_p_list = save_list; /* restore 'list' */ + +#ifdef FEAT_VARTABS + if (new_ts_str != NULL) /* set the new tabstop */ + { + // If 'vartabstop' is in use or if the value given to retab has more + // than one tabstop then update 'vartabstop'. + int *old_vts_ary = curbuf->b_p_vts_array; + + if (tabstop_count(old_vts_ary) > 0 || tabstop_count(new_vts_array) > 1) + { + set_string_option_direct((char_u *)"vts", -1, new_ts_str, + OPT_FREE|OPT_LOCAL, 0); + curbuf->b_p_vts_array = new_vts_array; + vim_free(old_vts_ary); + } + else + { + // 'vartabstop' wasn't in use and a single value was given to + // retab then update 'tabstop'. + curbuf->b_p_ts = tabstop_first(new_vts_array); + vim_free(new_vts_array); + } + vim_free(new_ts_str); + } +#else + curbuf->b_p_ts = new_ts; +#endif + coladvance(curwin->w_curswant); + + u_clearline(); +} + +#if (defined(FEAT_CINDENT) && defined(FEAT_EVAL)) || defined(PROTO) +/* + * Get indent level from 'indentexpr'. + */ + int +get_expr_indent(void) +{ + int indent = -1; + char_u *inde_copy; + pos_T save_pos; + colnr_T save_curswant; + int save_set_curswant; + int save_State; + int use_sandbox = was_set_insecurely((char_u *)"indentexpr", + OPT_LOCAL); + + // Save and restore cursor position and curswant, in case it was changed + // via :normal commands + save_pos = curwin->w_cursor; + save_curswant = curwin->w_curswant; + save_set_curswant = curwin->w_set_curswant; + set_vim_var_nr(VV_LNUM, curwin->w_cursor.lnum); + if (use_sandbox) + ++sandbox; + ++textlock; + + // Need to make a copy, the 'indentexpr' option could be changed while + // evaluating it. + inde_copy = vim_strsave(curbuf->b_p_inde); + if (inde_copy != NULL) + { + indent = (int)eval_to_number(inde_copy); + vim_free(inde_copy); + } + + if (use_sandbox) + --sandbox; + --textlock; + + // Restore the cursor position so that 'indentexpr' doesn't need to. + // Pretend to be in Insert mode, allow cursor past end of line for "o" + // command. + save_State = State; + State = INSERT; + curwin->w_cursor = save_pos; + curwin->w_curswant = save_curswant; + curwin->w_set_curswant = save_set_curswant; + check_cursor(); + State = save_State; + + // If there is an error, just keep the current indent. + if (indent < 0) + indent = get_indent(); + + return indent; +} +#endif + +#if defined(FEAT_LISP) || defined(PROTO) + + static int +lisp_match(char_u *p) +{ + char_u buf[LSIZE]; + int len; + char_u *word = *curbuf->b_p_lw != NUL ? curbuf->b_p_lw : p_lispwords; + + while (*word != NUL) + { + (void)copy_option_part(&word, buf, LSIZE, ","); + len = (int)STRLEN(buf); + if (STRNCMP(buf, p, len) == 0 && p[len] == ' ') + return TRUE; + } + return FALSE; +} + +/* + * When 'p' is present in 'cpoptions, a Vi compatible method is used. + * The incompatible newer method is quite a bit better at indenting + * code in lisp-like languages than the traditional one; it's still + * mostly heuristics however -- Dirk van Deun, dirk@rave.org + * + * TODO: + * Findmatch() should be adapted for lisp, also to make showmatch + * work correctly: now (v5.3) it seems all C/C++ oriented: + * - it does not recognize the #\( and #\) notations as character literals + * - it doesn't know about comments starting with a semicolon + * - it incorrectly interprets '(' as a character literal + * All this messes up get_lisp_indent in some rare cases. + * Update from Sergey Khorev: + * I tried to fix the first two issues. + */ + int +get_lisp_indent(void) +{ + pos_T *pos, realpos, paren; + int amount; + char_u *that; + colnr_T col; + colnr_T firsttry; + int parencount, quotecount; + int vi_lisp; + + // Set vi_lisp to use the vi-compatible method + vi_lisp = (vim_strchr(p_cpo, CPO_LISP) != NULL); + + realpos = curwin->w_cursor; + curwin->w_cursor.col = 0; + + if ((pos = findmatch(NULL, '(')) == NULL) + pos = findmatch(NULL, '['); + else + { + paren = *pos; + pos = findmatch(NULL, '['); + if (pos == NULL || LT_POSP(pos, &paren)) + pos = &paren; + } + if (pos != NULL) + { + // Extra trick: Take the indent of the first previous non-white + // line that is at the same () level. + amount = -1; + parencount = 0; + + while (--curwin->w_cursor.lnum >= pos->lnum) + { + if (linewhite(curwin->w_cursor.lnum)) + continue; + for (that = ml_get_curline(); *that != NUL; ++that) + { + if (*that == ';') + { + while (*(that + 1) != NUL) + ++that; + continue; + } + if (*that == '\\') + { + if (*(that + 1) != NUL) + ++that; + continue; + } + if (*that == '"' && *(that + 1) != NUL) + { + while (*++that && *that != '"') + { + // skipping escaped characters in the string + if (*that == '\\') + { + if (*++that == NUL) + break; + if (that[1] == NUL) + { + ++that; + break; + } + } + } + } + if (*that == '(' || *that == '[') + ++parencount; + else if (*that == ')' || *that == ']') + --parencount; + } + if (parencount == 0) + { + amount = get_indent(); + break; + } + } + + if (amount == -1) + { + curwin->w_cursor.lnum = pos->lnum; + curwin->w_cursor.col = pos->col; + col = pos->col; + + that = ml_get_curline(); + + if (vi_lisp && get_indent() == 0) + amount = 2; + else + { + char_u *line = that; + + amount = 0; + while (*that && col) + { + amount += lbr_chartabsize_adv(line, &that, (colnr_T)amount); + col--; + } + + // Some keywords require "body" indenting rules (the + // non-standard-lisp ones are Scheme special forms): + // + // (let ((a 1)) instead (let ((a 1)) + // (...)) of (...)) + + if (!vi_lisp && (*that == '(' || *that == '[') + && lisp_match(that + 1)) + amount += 2; + else + { + that++; + amount++; + firsttry = amount; + + while (VIM_ISWHITE(*that)) + { + amount += lbr_chartabsize(line, that, (colnr_T)amount); + ++that; + } + + if (*that && *that != ';') // not a comment line + { + // test *that != '(' to accommodate first let/do + // argument if it is more than one line + if (!vi_lisp && *that != '(' && *that != '[') + firsttry++; + + parencount = 0; + quotecount = 0; + + if (vi_lisp + || (*that != '"' + && *that != '\'' + && *that != '#' + && (*that < '0' || *that > '9'))) + { + while (*that + && (!VIM_ISWHITE(*that) + || quotecount + || parencount) + && (!((*that == '(' || *that == '[') + && !quotecount + && !parencount + && vi_lisp))) + { + if (*that == '"') + quotecount = !quotecount; + if ((*that == '(' || *that == '[') + && !quotecount) + ++parencount; + if ((*that == ')' || *that == ']') + && !quotecount) + --parencount; + if (*that == '\\' && *(that+1) != NUL) + amount += lbr_chartabsize_adv( + line, &that, (colnr_T)amount); + amount += lbr_chartabsize_adv( + line, &that, (colnr_T)amount); + } + } + while (VIM_ISWHITE(*that)) + { + amount += lbr_chartabsize( + line, that, (colnr_T)amount); + that++; + } + if (!*that || *that == ';') + amount = firsttry; + } + } + } + } + } + else + amount = 0; // no matching '(' or '[' found, use zero indent + + curwin->w_cursor = realpos; + + return amount; +} +#endif // FEAT_LISP + +#if defined(FEAT_LISP) || defined(FEAT_CINDENT) || defined(PROTO) +/* + * Re-indent the current line, based on the current contents of it and the + * surrounding lines. Fixing the cursor position seems really easy -- I'm very + * confused what all the part that handles Control-T is doing that I'm not. + * "get_the_indent" should be get_c_indent, get_expr_indent or get_lisp_indent. + */ + + void +fixthisline(int (*get_the_indent)(void)) +{ + int amount = get_the_indent(); + + if (amount >= 0) + { + change_indent(INDENT_SET, amount, FALSE, 0, TRUE); + if (linewhite(curwin->w_cursor.lnum)) + did_ai = TRUE; // delete the indent if the line stays empty + } +} + + void +fix_indent(void) +{ + if (p_paste) + return; +# ifdef FEAT_LISP + if (curbuf->b_p_lisp && curbuf->b_p_ai) + fixthisline(get_lisp_indent); +# endif +# if defined(FEAT_LISP) && defined(FEAT_CINDENT) + else +# endif +# ifdef FEAT_CINDENT + if (cindent_on()) + do_c_expr_indent(); +# endif +} +#endif + +#if defined(FEAT_EVAL) || defined(PROTO) +/* + * "indent()" function + */ + void +f_indent(typval_T *argvars, typval_T *rettv) +{ + linenr_T lnum; + + lnum = tv_get_lnum(argvars); + if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count) + rettv->vval.v_number = get_indent_lnum(lnum); + else + rettv->vval.v_number = -1; +} + +/* + * "lispindent(lnum)" function + */ + void +f_lispindent(typval_T *argvars UNUSED, typval_T *rettv) +{ +#ifdef FEAT_LISP + pos_T pos; + linenr_T lnum; + + pos = curwin->w_cursor; + lnum = tv_get_lnum(argvars); + if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count) + { + curwin->w_cursor.lnum = lnum; + rettv->vval.v_number = get_lisp_indent(); + curwin->w_cursor = pos; + } + else +#endif + rettv->vval.v_number = -1; +} +#endif diff --git a/src/misc1.c b/src/misc1.c --- a/src/misc1.c +++ b/src/misc1.c @@ -25,542 +25,6 @@ static garray_T ga_users; /* - * Count the size (in window cells) of the indent in the current line. - */ - int -get_indent(void) -{ -#ifdef FEAT_VARTABS - return get_indent_str_vtab(ml_get_curline(), (int)curbuf->b_p_ts, - curbuf->b_p_vts_array, FALSE); -#else - return get_indent_str(ml_get_curline(), (int)curbuf->b_p_ts, FALSE); -#endif -} - -/* - * Count the size (in window cells) of the indent in line "lnum". - */ - int -get_indent_lnum(linenr_T lnum) -{ -#ifdef FEAT_VARTABS - return get_indent_str_vtab(ml_get(lnum), (int)curbuf->b_p_ts, - curbuf->b_p_vts_array, FALSE); -#else - return get_indent_str(ml_get(lnum), (int)curbuf->b_p_ts, FALSE); -#endif -} - -#if defined(FEAT_FOLDING) || defined(PROTO) -/* - * Count the size (in window cells) of the indent in line "lnum" of buffer - * "buf". - */ - int -get_indent_buf(buf_T *buf, linenr_T lnum) -{ -#ifdef FEAT_VARTABS - return get_indent_str_vtab(ml_get_buf(buf, lnum, FALSE), - (int)curbuf->b_p_ts, buf->b_p_vts_array, FALSE); -#else - return get_indent_str(ml_get_buf(buf, lnum, FALSE), (int)buf->b_p_ts, FALSE); -#endif -} -#endif - -/* - * count the size (in window cells) of the indent in line "ptr", with - * 'tabstop' at "ts" - */ - int -get_indent_str( - char_u *ptr, - int ts, - int list) /* if TRUE, count only screen size for tabs */ -{ - int count = 0; - - for ( ; *ptr; ++ptr) - { - if (*ptr == TAB) - { - if (!list || lcs_tab1) /* count a tab for what it is worth */ - count += ts - (count % ts); - else - /* In list mode, when tab is not set, count screen char width - * for Tab, displays: ^I */ - count += ptr2cells(ptr); - } - else if (*ptr == ' ') - ++count; /* count a space for one */ - else - break; - } - return count; -} - -#ifdef FEAT_VARTABS -/* - * Count the size (in window cells) of the indent in line "ptr", using - * variable tabstops. - * if "list" is TRUE, count only screen size for tabs. - */ - int -get_indent_str_vtab(char_u *ptr, int ts, int *vts, int list) -{ - int count = 0; - - for ( ; *ptr; ++ptr) - { - if (*ptr == TAB) /* count a tab for what it is worth */ - { - if (!list || lcs_tab1) - count += tabstop_padding(count, ts, vts); - else - /* In list mode, when tab is not set, count screen char width - * for Tab, displays: ^I */ - count += ptr2cells(ptr); - } - else if (*ptr == ' ') - ++count; /* count a space for one */ - else - break; - } - return count; -} -#endif - -/* - * Set the indent of the current line. - * Leaves the cursor on the first non-blank in the line. - * Caller must take care of undo. - * "flags": - * SIN_CHANGED: call changed_bytes() if the line was changed. - * SIN_INSERT: insert the indent in front of the line. - * SIN_UNDO: save line for undo before changing it. - * Returns TRUE if the line was changed. - */ - int -set_indent( - int size, /* measured in spaces */ - int flags) -{ - char_u *p; - char_u *newline; - char_u *oldline; - char_u *s; - int todo; - int ind_len; /* measured in characters */ - int line_len; - int doit = FALSE; - int ind_done = 0; /* measured in spaces */ -#ifdef FEAT_VARTABS - int ind_col = 0; -#endif - int tab_pad; - int retval = FALSE; - int orig_char_len = -1; /* number of initial whitespace chars when - 'et' and 'pi' are both set */ - - /* - * First check if there is anything to do and compute the number of - * characters needed for the indent. - */ - todo = size; - ind_len = 0; - p = oldline = ml_get_curline(); - - /* Calculate the buffer size for the new indent, and check to see if it - * isn't already set */ - - /* if 'expandtab' isn't set: use TABs; if both 'expandtab' and - * 'preserveindent' are set count the number of characters at the - * beginning of the line to be copied */ - if (!curbuf->b_p_et || (!(flags & SIN_INSERT) && curbuf->b_p_pi)) - { - /* If 'preserveindent' is set then reuse as much as possible of - * the existing indent structure for the new indent */ - if (!(flags & SIN_INSERT) && curbuf->b_p_pi) - { - ind_done = 0; - - /* count as many characters as we can use */ - while (todo > 0 && VIM_ISWHITE(*p)) - { - if (*p == TAB) - { -#ifdef FEAT_VARTABS - tab_pad = tabstop_padding(ind_done, curbuf->b_p_ts, - curbuf->b_p_vts_array); -#else - tab_pad = (int)curbuf->b_p_ts - - (ind_done % (int)curbuf->b_p_ts); -#endif - /* stop if this tab will overshoot the target */ - if (todo < tab_pad) - break; - todo -= tab_pad; - ++ind_len; - ind_done += tab_pad; - } - else - { - --todo; - ++ind_len; - ++ind_done; - } - ++p; - } - -#ifdef FEAT_VARTABS - /* These diverge from this point. */ - ind_col = ind_done; -#endif - /* Set initial number of whitespace chars to copy if we are - * preserving indent but expandtab is set */ - if (curbuf->b_p_et) - orig_char_len = ind_len; - - /* Fill to next tabstop with a tab, if possible */ -#ifdef FEAT_VARTABS - tab_pad = tabstop_padding(ind_done, curbuf->b_p_ts, - curbuf->b_p_vts_array); -#else - tab_pad = (int)curbuf->b_p_ts - (ind_done % (int)curbuf->b_p_ts); -#endif - if (todo >= tab_pad && orig_char_len == -1) - { - doit = TRUE; - todo -= tab_pad; - ++ind_len; - /* ind_done += tab_pad; */ -#ifdef FEAT_VARTABS - ind_col += tab_pad; -#endif - } - } - - /* count tabs required for indent */ -#ifdef FEAT_VARTABS - for (;;) - { - tab_pad = tabstop_padding(ind_col, curbuf->b_p_ts, - curbuf->b_p_vts_array); - if (todo < tab_pad) - break; - if (*p != TAB) - doit = TRUE; - else - ++p; - todo -= tab_pad; - ++ind_len; - ind_col += tab_pad; - } -#else - while (todo >= (int)curbuf->b_p_ts) - { - if (*p != TAB) - doit = TRUE; - else - ++p; - todo -= (int)curbuf->b_p_ts; - ++ind_len; - /* ind_done += (int)curbuf->b_p_ts; */ - } -#endif - } - /* count spaces required for indent */ - while (todo > 0) - { - if (*p != ' ') - doit = TRUE; - else - ++p; - --todo; - ++ind_len; - /* ++ind_done; */ - } - - /* Return if the indent is OK already. */ - if (!doit && !VIM_ISWHITE(*p) && !(flags & SIN_INSERT)) - return FALSE; - - /* Allocate memory for the new line. */ - if (flags & SIN_INSERT) - p = oldline; - else - p = skipwhite(p); - line_len = (int)STRLEN(p) + 1; - - /* If 'preserveindent' and 'expandtab' are both set keep the original - * characters and allocate accordingly. We will fill the rest with spaces - * after the if (!curbuf->b_p_et) below. */ - if (orig_char_len != -1) - { - newline = alloc(orig_char_len + size - ind_done + line_len); - if (newline == NULL) - return FALSE; - todo = size - ind_done; - ind_len = orig_char_len + todo; /* Set total length of indent in - * characters, which may have been - * undercounted until now */ - p = oldline; - s = newline; - while (orig_char_len > 0) - { - *s++ = *p++; - orig_char_len--; - } - - /* Skip over any additional white space (useful when newindent is less - * than old) */ - while (VIM_ISWHITE(*p)) - ++p; - - } - else - { - todo = size; - newline = alloc(ind_len + line_len); - if (newline == NULL) - return FALSE; - s = newline; - } - - /* Put the characters in the new line. */ - /* if 'expandtab' isn't set: use TABs */ - if (!curbuf->b_p_et) - { - /* If 'preserveindent' is set then reuse as much as possible of - * the existing indent structure for the new indent */ - if (!(flags & SIN_INSERT) && curbuf->b_p_pi) - { - p = oldline; - ind_done = 0; - - while (todo > 0 && VIM_ISWHITE(*p)) - { - if (*p == TAB) - { -#ifdef FEAT_VARTABS - tab_pad = tabstop_padding(ind_done, curbuf->b_p_ts, - curbuf->b_p_vts_array); -#else - tab_pad = (int)curbuf->b_p_ts - - (ind_done % (int)curbuf->b_p_ts); -#endif - /* stop if this tab will overshoot the target */ - if (todo < tab_pad) - break; - todo -= tab_pad; - ind_done += tab_pad; - } - else - { - --todo; - ++ind_done; - } - *s++ = *p++; - } - - /* Fill to next tabstop with a tab, if possible */ -#ifdef FEAT_VARTABS - tab_pad = tabstop_padding(ind_done, curbuf->b_p_ts, - curbuf->b_p_vts_array); -#else - tab_pad = (int)curbuf->b_p_ts - (ind_done % (int)curbuf->b_p_ts); -#endif - if (todo >= tab_pad) - { - *s++ = TAB; - todo -= tab_pad; -#ifdef FEAT_VARTABS - ind_done += tab_pad; -#endif - } - - p = skipwhite(p); - } - -#ifdef FEAT_VARTABS - for (;;) - { - tab_pad = tabstop_padding(ind_done, curbuf->b_p_ts, - curbuf->b_p_vts_array); - if (todo < tab_pad) - break; - *s++ = TAB; - todo -= tab_pad; - ind_done += tab_pad; - } -#else - while (todo >= (int)curbuf->b_p_ts) - { - *s++ = TAB; - todo -= (int)curbuf->b_p_ts; - } -#endif - } - while (todo > 0) - { - *s++ = ' '; - --todo; - } - mch_memmove(s, p, (size_t)line_len); - - // Replace the line (unless undo fails). - if (!(flags & SIN_UNDO) || u_savesub(curwin->w_cursor.lnum) == OK) - { - ml_replace(curwin->w_cursor.lnum, newline, FALSE); - if (flags & SIN_CHANGED) - changed_bytes(curwin->w_cursor.lnum, 0); - - // Correct saved cursor position if it is in this line. - if (saved_cursor.lnum == curwin->w_cursor.lnum) - { - if (saved_cursor.col >= (colnr_T)(p - oldline)) - // cursor was after the indent, adjust for the number of - // bytes added/removed - saved_cursor.col += ind_len - (colnr_T)(p - oldline); - else if (saved_cursor.col >= (colnr_T)(s - newline)) - // cursor was in the indent, and is now after it, put it back - // at the start of the indent (replacing spaces with TAB) - saved_cursor.col = (colnr_T)(s - newline); - } -#ifdef FEAT_TEXT_PROP - { - int added = ind_len - (colnr_T)(p - oldline); - - // When increasing indent this behaves like spaces were inserted at - // the old indent, when decreasing indent it behaves like spaces - // were deleted at the new indent. - adjust_prop_columns(curwin->w_cursor.lnum, - (colnr_T)(added > 0 ? (p - oldline) : ind_len), added, 0); - } -#endif - retval = TRUE; - } - else - vim_free(newline); - - curwin->w_cursor.col = ind_len; - return retval; -} - -/* - * Return the indent of the current line after a number. Return -1 if no - * number was found. Used for 'n' in 'formatoptions': numbered list. - * Since a pattern is used it can actually handle more than numbers. - */ - int -get_number_indent(linenr_T lnum) -{ - colnr_T col; - pos_T pos; - - regmatch_T regmatch; - int lead_len = 0; /* length of comment leader */ - - if (lnum > curbuf->b_ml.ml_line_count) - return -1; - pos.lnum = 0; - - /* In format_lines() (i.e. not insert mode), fo+=q is needed too... */ - if ((State & INSERT) || has_format_option(FO_Q_COMS)) - lead_len = get_leader_len(ml_get(lnum), NULL, FALSE, TRUE); - - regmatch.regprog = vim_regcomp(curbuf->b_p_flp, RE_MAGIC); - if (regmatch.regprog != NULL) - { - regmatch.rm_ic = FALSE; - - /* vim_regexec() expects a pointer to a line. This lets us - * start matching for the flp beyond any comment leader... */ - if (vim_regexec(®match, ml_get(lnum) + lead_len, (colnr_T)0)) - { - pos.lnum = lnum; - pos.col = (colnr_T)(*regmatch.endp - ml_get(lnum)); - pos.coladd = 0; - } - vim_regfree(regmatch.regprog); - } - - if (pos.lnum == 0 || *ml_get_pos(&pos) == NUL) - return -1; - getvcol(curwin, &pos, &col, NULL, NULL); - return (int)col; -} - -#if defined(FEAT_LINEBREAK) || defined(PROTO) -/* - * Return appropriate space number for breakindent, taking influencing - * parameters into account. Window must be specified, since it is not - * necessarily always the current one. - */ - int -get_breakindent_win( - win_T *wp, - char_u *line) /* start of the line */ -{ - static int prev_indent = 0; /* cached indent value */ - static long prev_ts = 0L; /* cached tabstop value */ - static char_u *prev_line = NULL; /* cached pointer to line */ - static varnumber_T prev_tick = 0; /* changedtick of cached value */ -#ifdef FEAT_VARTABS - static int *prev_vts = NULL; /* cached vartabs values */ -#endif - int bri = 0; - /* window width minus window margin space, i.e. what rests for text */ - const int eff_wwidth = wp->w_width - - ((wp->w_p_nu || wp->w_p_rnu) - && (vim_strchr(p_cpo, CPO_NUMCOL) == NULL) - ? number_width(wp) + 1 : 0); - - /* used cached indent, unless pointer or 'tabstop' changed */ - if (prev_line != line || prev_ts != wp->w_buffer->b_p_ts - || prev_tick != CHANGEDTICK(wp->w_buffer) -#ifdef FEAT_VARTABS - || prev_vts != wp->w_buffer->b_p_vts_array -#endif - ) - { - prev_line = line; - prev_ts = wp->w_buffer->b_p_ts; - prev_tick = CHANGEDTICK(wp->w_buffer); -#ifdef FEAT_VARTABS - prev_vts = wp->w_buffer->b_p_vts_array; - prev_indent = get_indent_str_vtab(line, - (int)wp->w_buffer->b_p_ts, - wp->w_buffer->b_p_vts_array, wp->w_p_list); -#else - prev_indent = get_indent_str(line, - (int)wp->w_buffer->b_p_ts, wp->w_p_list); -#endif - } - bri = prev_indent + wp->w_p_brishift; - - /* indent minus the length of the showbreak string */ - if (wp->w_p_brisbr) - bri -= vim_strsize(p_sbr); - - /* Add offset for number column, if 'n' is in 'cpoptions' */ - bri += win_col_off2(wp); - - /* never indent past left window margin */ - if (bri < 0) - bri = 0; - /* always leave at least bri_min characters on the left, - * if text width is sufficient */ - else if (bri > eff_wwidth - wp->w_p_brimin) - bri = (eff_wwidth - wp->w_p_brimin < 0) - ? 0 : eff_wwidth - wp->w_p_brimin; - - return bri; -} -#endif - -/* * get_leader_len() returns the length in bytes of the prefix of the given * string which introduces a comment. If this string is not a comment then * 0 is returned. @@ -1076,26 +540,6 @@ pchar_cursor(int c) } /* - * When extra == 0: Return TRUE if the cursor is before or on the first - * non-blank in the line. - * When extra == 1: Return TRUE if the cursor is before the first non-blank in - * the line. - */ - int -inindent(int extra) -{ - char_u *ptr; - colnr_T col; - - for (col = 0, ptr = ml_get_curline(); VIM_ISWHITE(*ptr); ++col) - ++ptr; - if (col >= curwin->w_cursor.col + extra) - return TRUE; - else - return FALSE; -} - -/* * Skip to next part of an option argument: Skip space and comma. */ char_u * diff --git a/src/ops.c b/src/ops.c --- a/src/ops.c +++ b/src/ops.c @@ -590,90 +590,6 @@ block_insert( State = oldstate; } -#if defined(FEAT_LISP) || defined(FEAT_CINDENT) || defined(PROTO) -/* - * op_reindent - handle reindenting a block of lines. - */ - static void -op_reindent(oparg_T *oap, int (*how)(void)) -{ - long i; - char_u *l; - int amount; - linenr_T first_changed = 0; - linenr_T last_changed = 0; - linenr_T start_lnum = curwin->w_cursor.lnum; - - /* Don't even try when 'modifiable' is off. */ - if (!curbuf->b_p_ma) - { - emsg(_(e_modifiable)); - return; - } - - for (i = oap->line_count; --i >= 0 && !got_int; ) - { - /* it's a slow thing to do, so give feedback so there's no worry that - * the computer's just hung. */ - - if (i > 1 - && (i % 50 == 0 || i == oap->line_count - 1) - && oap->line_count > p_report) - smsg(_("%ld lines to indent... "), i); - - /* - * Be vi-compatible: For lisp indenting the first line is not - * indented, unless there is only one line. - */ -#ifdef FEAT_LISP - if (i != oap->line_count - 1 || oap->line_count == 1 - || how != get_lisp_indent) -#endif - { - l = skipwhite(ml_get_curline()); - if (*l == NUL) /* empty or blank line */ - amount = 0; - else - amount = how(); /* get the indent for this line */ - - if (amount >= 0 && set_indent(amount, SIN_UNDO)) - { - /* did change the indent, call changed_lines() later */ - if (first_changed == 0) - first_changed = curwin->w_cursor.lnum; - last_changed = curwin->w_cursor.lnum; - } - } - ++curwin->w_cursor.lnum; - curwin->w_cursor.col = 0; /* make sure it's valid */ - } - - /* put cursor on first non-blank of indented line */ - curwin->w_cursor.lnum = start_lnum; - beginline(BL_SOL | BL_FIX); - - /* Mark changed lines so that they will be redrawn. When Visual - * highlighting was present, need to continue until the last line. When - * there is no change still need to remove the Visual highlighting. */ - if (last_changed != 0) - changed_lines(first_changed, 0, - oap->is_VIsual ? start_lnum + oap->line_count : - last_changed + 1, 0L); - else if (oap->is_VIsual) - redraw_curbuf_later(INVERTED); - - if (oap->line_count > p_report) - { - i = oap->line_count - (i + 1); - smsg(NGETTEXT("%ld line indented ", - "%ld lines indented ", i), i); - } - /* set '[ and '] marks */ - curbuf->b_op_start = oap->start; - curbuf->b_op_end = oap->end; -} -#endif /* defined(FEAT_LISP) || defined(FEAT_CINDENT) */ - /* * Stuff a string into the typeahead buffer, such that edit() will insert it * literally ("literally" TRUE) or interpret is as typed characters. @@ -1917,29 +1833,6 @@ adjust_cursor_eol(void) } } -#if defined(FEAT_SMARTINDENT) || defined(FEAT_CINDENT) || defined(PROTO) -/* - * Return TRUE if lines starting with '#' should be left aligned. - */ - int -preprocs_left(void) -{ - return -# ifdef FEAT_SMARTINDENT -# ifdef FEAT_CINDENT - (curbuf->b_p_si && !curbuf->b_p_cin) || -# else - curbuf->b_p_si -# endif -# endif -# ifdef FEAT_CINDENT - (curbuf->b_p_cin && in_cinkeys('#', ' ', TRUE) - && curbuf->b_ind_hash_comment == 0) -# endif - ; -} -#endif - /* * If "process" is TRUE and the line begins with a comment leader (possibly * after some white space), return a pointer to the text after it. Put a boolean diff --git a/src/proto.h b/src/proto.h --- a/src/proto.h +++ b/src/proto.h @@ -67,6 +67,7 @@ extern int _stricoll(char *a, char *b); # include "bufwrite.pro" # include "change.pro" # include "charset.pro" +# include "cindent.pro" # include "cmdexpand.pro" # include "cmdhist.pro" # include "if_cscope.pro" diff --git a/src/proto/cindent.pro b/src/proto/cindent.pro new file mode 100644 --- /dev/null +++ b/src/proto/cindent.pro @@ -0,0 +1,10 @@ +/* cindent.c */ +int cin_is_cinword(char_u *line); +pos_T *find_start_comment(int ind_maxcomment); +int cindent_on(void); +void parse_cino(buf_T *buf); +int get_c_indent(void); +int in_cinkeys(int keytyped, int when, int line_is_empty); +void do_c_expr_indent(void); +void f_cindent(typval_T *argvars, typval_T *rettv); +/* vim: set ft=c : */ diff --git a/src/proto/edit.pro b/src/proto/edit.pro --- a/src/proto/edit.pro +++ b/src/proto/edit.pro @@ -8,7 +8,6 @@ int prompt_curpos_editable(void); void edit_unputchar(void); void display_dollar(colnr_T col); void undisplay_dollar(void); -void change_indent(int type, int amount, int round, int replaced, int call_changed_bytes); void truncate_spaces(char_u *line); void backspace_until_column(int col); int get_literal(void); @@ -30,6 +29,7 @@ char_u *get_last_insert(void); char_u *get_last_insert_save(void); void replace_push(int c); int replace_push_mb(char_u *p); +void replace_join(int off); int hkmap(int c); int bracketed_paste(paste_mode_T mode, int drop, garray_T *gap); void ins_scroll(void); diff --git a/src/proto/ex_cmds.pro b/src/proto/ex_cmds.pro --- a/src/proto/ex_cmds.pro +++ b/src/proto/ex_cmds.pro @@ -2,7 +2,6 @@ void do_ascii(exarg_T *eap); void ex_align(exarg_T *eap); void ex_sort(exarg_T *eap); -void ex_retab(exarg_T *eap); int do_move(linenr_T line1, linenr_T line2, linenr_T dest); void ex_copy(linenr_T line1, linenr_T line2, linenr_T n); void free_prev_shellcmd(void); diff --git a/src/proto/indent.pro b/src/proto/indent.pro --- a/src/proto/indent.pro +++ b/src/proto/indent.pro @@ -1,21 +1,9 @@ /* indent.c */ -int cin_is_cinword(char_u *line); -pos_T *find_start_comment(int ind_maxcomment); -int cindent_on(void); -void parse_cino(buf_T *buf); -int get_c_indent(void); -int get_expr_indent(void); -int in_cinkeys(int keytyped, int when, int line_is_empty); -int get_lisp_indent(void); -void do_c_expr_indent(void); -void fixthisline(int (*get_the_indent)(void)); -void fix_indent(void); int tabstop_set(char_u *var, int **array); int tabstop_padding(colnr_T col, int ts_arg, int *vts); int tabstop_at(colnr_T col, int ts, int *vts); colnr_T tabstop_start(colnr_T col, int ts, int *vts); void tabstop_fromto(colnr_T start_col, colnr_T end_col, int ts_arg, int *vts, int *ntabs, int *nspcs); -int tabstop_eq(int *ts1, int *ts2); int *tabstop_copy(int *oldts); int tabstop_count(int *ts); int tabstop_first(int *ts); @@ -23,4 +11,25 @@ long get_sw_value(buf_T *buf); long get_sw_value_indent(buf_T *buf); long get_sw_value_col(buf_T *buf, colnr_T col); long get_sts_value(void); +int get_indent(void); +int get_indent_lnum(linenr_T lnum); +int get_indent_buf(buf_T *buf, linenr_T lnum); +int get_indent_str(char_u *ptr, int ts, int list); +int get_indent_str_vtab(char_u *ptr, int ts, int *vts, int list); +int set_indent(int size, int flags); +int get_number_indent(linenr_T lnum); +int get_breakindent_win(win_T *wp, char_u *line); +int inindent(int extra); +void op_reindent(oparg_T *oap, int (*how)(void)); +int preprocs_left(void); +void ins_try_si(int c); +void change_indent(int type, int amount, int round, int replaced, int call_changed_bytes); +int copy_indent(int size, char_u *src); +void ex_retab(exarg_T *eap); +int get_expr_indent(void); +int get_lisp_indent(void); +void fixthisline(int (*get_the_indent)(void)); +void fix_indent(void); +void f_indent(typval_T *argvars, typval_T *rettv); +void f_lispindent(typval_T *argvars, typval_T *rettv); /* vim: set ft=c : */ diff --git a/src/proto/misc1.pro b/src/proto/misc1.pro --- a/src/proto/misc1.pro +++ b/src/proto/misc1.pro @@ -1,12 +1,4 @@ /* misc1.c */ -int get_indent(void); -int get_indent_lnum(linenr_T lnum); -int get_indent_buf(buf_T *buf, linenr_T lnum); -int get_indent_str(char_u *ptr, int ts, int list); -int get_indent_str_vtab(char_u *ptr, int ts, int *vts, int list); -int set_indent(int size, int flags); -int get_number_indent(linenr_T lnum); -int get_breakindent_win(win_T *wp, char_u *line); int get_leader_len(char_u *line, char_u **flags, int backward, int include_space); int get_last_leader_offset(char_u *line, char_u **flags); int plines(linenr_T lnum); @@ -19,7 +11,6 @@ int plines_m_win(win_T *wp, linenr_T fir int gchar_pos(pos_T *pos); int gchar_cursor(void); void pchar_cursor(int c); -int inindent(int extra); char_u *skip_to_option_part(char_u *p); void check_status(buf_T *buf); int ask_yesno(char_u *str, int direct); diff --git a/src/proto/ops.pro b/src/proto/ops.pro --- a/src/proto/ops.pro +++ b/src/proto/ops.pro @@ -12,7 +12,6 @@ int swapchar(int op_type, pos_T *pos); void op_insert(oparg_T *oap, long count1); int op_change(oparg_T *oap); void adjust_cursor_eol(void); -int preprocs_left(void); char_u *skip_comment(char_u *line, int process, int include_space, int *is_comment); int do_join(long count, int insert_space, int save_undo, int use_formatoptions, int setmark); int fex_format(linenr_T lnum, long count, int c); diff --git a/src/userfunc.c b/src/userfunc.c --- a/src/userfunc.c +++ b/src/userfunc.c @@ -8,7 +8,7 @@ */ /* - * eval.c: User defined function support + * userfunc.c: User defined function support */ #include "vim.h" diff --git a/src/version.c b/src/version.c --- a/src/version.c +++ b/src/version.c @@ -754,6 +754,8 @@ static char *(features[]) = static int included_patches[] = { /* Add new patch number below this line */ /**/ + 2127, +/**/ 2126, /**/ 2125,