Mercurial > vim
view src/highlight.c @ 29761:0cea0cdcce92 v9.0.0220
patch 9.0.0220: invalid memory access with for loop over NULL string
Commit: https://github.com/vim/vim/commit/f6d39c31d2177549a986d170e192d8351bd571e2
Author: Bram Moolenaar <Bram@vim.org>
Date: Tue Aug 16 17:50:38 2022 +0100
patch 9.0.0220: invalid memory access with for loop over NULL string
Problem: Invalid memory access with for loop over NULL string.
Solution: Make sure mb_ptr2len() consistently returns zero for NUL.
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Tue, 16 Aug 2022 19:00:04 +0200 |
parents | 89e1d67814a9 |
children | 68ef14b21d01 |
line wrap: on
line source
/* 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. */ /* * Highlighting stuff. */ #include "vim.h" #define SG_TERM 1 // term has been set #define SG_CTERM 2 // cterm has been set #define SG_GUI 4 // gui has been set #define SG_LINK 8 // link has been set #define MAX_SYN_NAME 200 /* * The "term", "cterm" and "gui" arguments can be any combination of the * following names, separated by commas (but no spaces!). */ static char *(hl_name_table[]) = {"bold", "standout", "underline", "undercurl", "underdouble", "underdotted", "underdashed", "italic", "reverse", "inverse", "nocombine", "strikethrough", "NONE"}; static int hl_attr_table[] = {HL_BOLD, HL_STANDOUT, HL_UNDERLINE, HL_UNDERCURL, HL_UNDERDOUBLE, HL_UNDERDOTTED, HL_UNDERDASHED, HL_ITALIC, HL_INVERSE, HL_INVERSE, HL_NOCOMBINE, HL_STRIKETHROUGH, 0}; // length of all attribute names, plus commas, together (and a bit more) #define MAX_ATTR_LEN 120 #define ATTR_COMBINE(attr_a, attr_b) ((((attr_b) & HL_NOCOMBINE) ? (attr_b) : (attr_a)) | (attr_b)) /* * Structure that stores information about a highlight group. * The ID of a highlight group is also called group ID. It is the index in * the highlight_ga array PLUS ONE. */ typedef struct { char_u *sg_name; // highlight group name char_u *sg_name_u; // uppercase of sg_name int sg_cleared; // "hi clear" was used // for normal terminals int sg_term; // "term=" highlighting attributes char_u *sg_start; // terminal string for start highl char_u *sg_stop; // terminal string for stop highl int sg_term_attr; // Screen attr for term mode // for color terminals int sg_cterm; // "cterm=" highlighting attr int sg_cterm_bold; // bold attr was set for light color int sg_cterm_fg; // terminal fg color number + 1 int sg_cterm_bg; // terminal bg color number + 1 int sg_cterm_ul; // terminal ul color number + 1 int sg_cterm_attr; // Screen attr for color term mode // for when using the GUI #if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) guicolor_T sg_gui_fg; // GUI foreground color handle guicolor_T sg_gui_bg; // GUI background color handle guicolor_T sg_gui_sp; // GUI special color handle #endif #ifdef FEAT_GUI GuiFont sg_font; // GUI font handle #ifdef FEAT_XFONTSET GuiFontset sg_fontset; // GUI fontset handle #endif char_u *sg_font_name; // GUI font or fontset name int sg_gui_attr; // Screen attr for GUI mode #endif #if defined(FEAT_GUI) || defined(FEAT_EVAL) // Store the sp color name for the GUI or synIDattr() int sg_gui; // "gui=" highlighting attributes char_u *sg_gui_fg_name;// GUI foreground color name char_u *sg_gui_bg_name;// GUI background color name char_u *sg_gui_sp_name;// GUI special color name #endif int sg_link; // link to this highlight group ID int sg_deflink; // default link; restored in highlight_clear() int sg_set; // combination of SG_* flags #ifdef FEAT_EVAL sctx_T sg_deflink_sctx; // script where the default link was set sctx_T sg_script_ctx; // script in which the group was last set #endif } hl_group_T; // highlight groups for 'highlight' option static garray_T highlight_ga; #define HL_TABLE() ((hl_group_T *)((highlight_ga.ga_data))) /* * An attribute number is the index in attr_table plus ATTR_OFF. */ #define ATTR_OFF (HL_ALL + 1) static void syn_unadd_group(void); static void set_hl_attr(int idx); static void highlight_list_one(int id); static int highlight_list_arg(int id, int didh, int type, int iarg, char_u *sarg, char *name); static int syn_add_group(char_u *name); static int hl_has_settings(int idx, int check_link); static void highlight_clear(int idx); #if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) static void gui_do_one_color(int idx, int do_menu, int do_tooltip); #endif #ifdef FEAT_GUI static int set_group_colors(char_u *name, guicolor_T *fgp, guicolor_T *bgp, int do_menu, int use_norm, int do_tooltip); static void hl_do_font(int idx, char_u *arg, int do_normal, int do_menu, int do_tooltip, int free_font); #endif /* * The default highlight groups. These are compiled-in for fast startup and * they still work when the runtime files can't be found. * When making changes here, also change runtime/colors/default.vim! * The #ifdefs are needed to reduce the amount of static data. Helps to make * the 16 bit DOS (museum) version compile. */ #if defined(FEAT_GUI) || defined(FEAT_EVAL) # define CENT(a, b) b #else # define CENT(a, b) a #endif static char *(highlight_init_both[]) = { CENT("ErrorMsg term=standout ctermbg=DarkRed ctermfg=White", "ErrorMsg term=standout ctermbg=DarkRed ctermfg=White guibg=Red guifg=White"), CENT("IncSearch term=reverse cterm=reverse", "IncSearch term=reverse cterm=reverse gui=reverse"), CENT("ModeMsg term=bold cterm=bold", "ModeMsg term=bold cterm=bold gui=bold"), CENT("NonText term=bold ctermfg=Blue", "NonText term=bold ctermfg=Blue gui=bold guifg=Blue"), CENT("StatusLine term=reverse,bold cterm=reverse,bold", "StatusLine term=reverse,bold cterm=reverse,bold gui=reverse,bold"), CENT("StatusLineNC term=reverse cterm=reverse", "StatusLineNC term=reverse cterm=reverse gui=reverse"), "default link EndOfBuffer NonText", CENT("VertSplit term=reverse cterm=reverse", "VertSplit term=reverse cterm=reverse gui=reverse"), #ifdef FEAT_CLIPBOARD CENT("VisualNOS term=underline,bold cterm=underline,bold", "VisualNOS term=underline,bold cterm=underline,bold gui=underline,bold"), #endif #ifdef FEAT_DIFF CENT("DiffText term=reverse cterm=bold ctermbg=Red", "DiffText term=reverse cterm=bold ctermbg=Red gui=bold guibg=Red"), #endif CENT("PmenuSbar ctermbg=Grey", "PmenuSbar ctermbg=Grey guibg=Grey"), CENT("TabLineSel term=bold cterm=bold", "TabLineSel term=bold cterm=bold gui=bold"), CENT("TabLineFill term=reverse cterm=reverse", "TabLineFill term=reverse cterm=reverse gui=reverse"), #ifdef FEAT_GUI "Cursor guibg=fg guifg=bg", "lCursor guibg=fg guifg=bg", // should be different, but what? #endif "default link QuickFixLine Search", "default link CursorLineSign SignColumn", "default link CursorLineFold FoldColumn", "default link CurSearch Search", CENT("Normal cterm=NONE", "Normal gui=NONE"), NULL }; // Default colors only used with a light background. static char *(highlight_init_light[]) = { CENT("Directory term=bold ctermfg=DarkBlue", "Directory term=bold ctermfg=DarkBlue guifg=Blue"), CENT("LineNr term=underline ctermfg=Brown", "LineNr term=underline ctermfg=Brown guifg=Brown"), CENT("CursorLineNr term=bold cterm=underline ctermfg=Brown", "CursorLineNr term=bold cterm=underline ctermfg=Brown gui=bold guifg=Brown"), CENT("MoreMsg term=bold ctermfg=DarkGreen", "MoreMsg term=bold ctermfg=DarkGreen gui=bold guifg=SeaGreen"), CENT("Question term=standout ctermfg=DarkGreen", "Question term=standout ctermfg=DarkGreen gui=bold guifg=SeaGreen"), CENT("Search term=reverse ctermbg=Yellow ctermfg=NONE", "Search term=reverse ctermbg=Yellow ctermfg=NONE guibg=Yellow guifg=NONE"), #ifdef FEAT_SPELL CENT("SpellBad term=reverse ctermbg=LightRed", "SpellBad term=reverse ctermbg=LightRed guisp=Red gui=undercurl"), CENT("SpellCap term=reverse ctermbg=LightBlue", "SpellCap term=reverse ctermbg=LightBlue guisp=Blue gui=undercurl"), CENT("SpellRare term=reverse ctermbg=LightMagenta", "SpellRare term=reverse ctermbg=LightMagenta guisp=Magenta gui=undercurl"), CENT("SpellLocal term=underline ctermbg=Cyan", "SpellLocal term=underline ctermbg=Cyan guisp=DarkCyan gui=undercurl"), #endif CENT("PmenuThumb ctermbg=Black", "PmenuThumb ctermbg=Black guibg=Black"), CENT("Pmenu ctermbg=LightMagenta ctermfg=Black", "Pmenu ctermbg=LightMagenta ctermfg=Black guibg=LightMagenta"), CENT("PmenuSel ctermbg=LightGrey ctermfg=Black", "PmenuSel ctermbg=LightGrey ctermfg=Black guibg=Grey"), CENT("SpecialKey term=bold ctermfg=DarkBlue", "SpecialKey term=bold ctermfg=DarkBlue guifg=Blue"), CENT("Title term=bold ctermfg=DarkMagenta", "Title term=bold ctermfg=DarkMagenta gui=bold guifg=Magenta"), CENT("WarningMsg term=standout ctermfg=DarkRed", "WarningMsg term=standout ctermfg=DarkRed guifg=Red"), #ifdef FEAT_WILDMENU CENT("WildMenu term=standout ctermbg=Yellow ctermfg=Black", "WildMenu term=standout ctermbg=Yellow ctermfg=Black guibg=Yellow guifg=Black"), #endif #ifdef FEAT_FOLDING CENT("Folded term=standout ctermbg=Grey ctermfg=DarkBlue", "Folded term=standout ctermbg=Grey ctermfg=DarkBlue guibg=LightGrey guifg=DarkBlue"), CENT("FoldColumn term=standout ctermbg=Grey ctermfg=DarkBlue", "FoldColumn term=standout ctermbg=Grey ctermfg=DarkBlue guibg=Grey guifg=DarkBlue"), #endif #ifdef FEAT_SIGNS CENT("SignColumn term=standout ctermbg=Grey ctermfg=DarkBlue", "SignColumn term=standout ctermbg=Grey ctermfg=DarkBlue guibg=Grey guifg=DarkBlue"), #endif CENT("Visual term=reverse", "Visual term=reverse guibg=LightGrey"), #ifdef FEAT_DIFF CENT("DiffAdd term=bold ctermbg=LightBlue", "DiffAdd term=bold ctermbg=LightBlue guibg=LightBlue"), CENT("DiffChange term=bold ctermbg=LightMagenta", "DiffChange term=bold ctermbg=LightMagenta guibg=LightMagenta"), CENT("DiffDelete term=bold ctermfg=Blue ctermbg=LightCyan", "DiffDelete term=bold ctermfg=Blue ctermbg=LightCyan gui=bold guifg=Blue guibg=LightCyan"), #endif CENT("TabLine term=underline cterm=underline ctermfg=black ctermbg=LightGrey", "TabLine term=underline cterm=underline ctermfg=black ctermbg=LightGrey gui=underline guibg=LightGrey"), #ifdef FEAT_SYN_HL CENT("CursorColumn term=reverse ctermbg=LightGrey", "CursorColumn term=reverse ctermbg=LightGrey guibg=Grey90"), CENT("CursorLine term=underline cterm=underline", "CursorLine term=underline cterm=underline guibg=Grey90"), CENT("ColorColumn term=reverse ctermbg=LightRed", "ColorColumn term=reverse ctermbg=LightRed guibg=LightRed"), #endif #ifdef FEAT_CONCEAL CENT("Conceal ctermbg=DarkGrey ctermfg=LightGrey", "Conceal ctermbg=DarkGrey ctermfg=LightGrey guibg=DarkGrey guifg=LightGrey"), #endif CENT("MatchParen term=reverse ctermbg=Cyan", "MatchParen term=reverse ctermbg=Cyan guibg=Cyan"), #ifdef FEAT_TERMINAL CENT("StatusLineTerm term=reverse,bold cterm=bold ctermfg=White ctermbg=DarkGreen", "StatusLineTerm term=reverse,bold cterm=bold ctermfg=White ctermbg=DarkGreen gui=bold guifg=bg guibg=DarkGreen"), CENT("StatusLineTermNC term=reverse ctermfg=White ctermbg=DarkGreen", "StatusLineTermNC term=reverse ctermfg=White ctermbg=DarkGreen guifg=bg guibg=DarkGreen"), #endif #ifdef FEAT_MENU CENT("ToolbarLine term=underline ctermbg=LightGrey", "ToolbarLine term=underline ctermbg=LightGrey guibg=LightGrey"), CENT("ToolbarButton cterm=bold ctermfg=White ctermbg=DarkGrey", "ToolbarButton cterm=bold ctermfg=White ctermbg=DarkGrey gui=bold guifg=White guibg=Grey40"), #endif NULL }; // Default colors only used with a dark background. static char *(highlight_init_dark[]) = { CENT("Directory term=bold ctermfg=LightCyan", "Directory term=bold ctermfg=LightCyan guifg=Cyan"), CENT("LineNr term=underline ctermfg=Yellow", "LineNr term=underline ctermfg=Yellow guifg=Yellow"), CENT("CursorLineNr term=bold cterm=underline ctermfg=Yellow", "CursorLineNr term=bold cterm=underline ctermfg=Yellow gui=bold guifg=Yellow"), CENT("MoreMsg term=bold ctermfg=LightGreen", "MoreMsg term=bold ctermfg=LightGreen gui=bold guifg=SeaGreen"), CENT("Question term=standout ctermfg=LightGreen", "Question term=standout ctermfg=LightGreen gui=bold guifg=Green"), CENT("Search term=reverse ctermbg=Yellow ctermfg=Black", "Search term=reverse ctermbg=Yellow ctermfg=Black guibg=Yellow guifg=Black"), CENT("SpecialKey term=bold ctermfg=LightBlue", "SpecialKey term=bold ctermfg=LightBlue guifg=Cyan"), #ifdef FEAT_SPELL CENT("SpellBad term=reverse ctermbg=Red", "SpellBad term=reverse ctermbg=Red guisp=Red gui=undercurl"), CENT("SpellCap term=reverse ctermbg=Blue", "SpellCap term=reverse ctermbg=Blue guisp=Blue gui=undercurl"), CENT("SpellRare term=reverse ctermbg=Magenta", "SpellRare term=reverse ctermbg=Magenta guisp=Magenta gui=undercurl"), CENT("SpellLocal term=underline ctermbg=Cyan", "SpellLocal term=underline ctermbg=Cyan guisp=Cyan gui=undercurl"), #endif CENT("PmenuThumb ctermbg=White", "PmenuThumb ctermbg=White guibg=White"), CENT("Pmenu ctermbg=Magenta ctermfg=Black", "Pmenu ctermbg=Magenta ctermfg=Black guibg=Magenta"), CENT("PmenuSel ctermbg=Black ctermfg=DarkGrey", "PmenuSel ctermbg=Black ctermfg=DarkGrey guibg=DarkGrey"), CENT("Title term=bold ctermfg=LightMagenta", "Title term=bold ctermfg=LightMagenta gui=bold guifg=Magenta"), CENT("WarningMsg term=standout ctermfg=LightRed", "WarningMsg term=standout ctermfg=LightRed guifg=Red"), #ifdef FEAT_WILDMENU CENT("WildMenu term=standout ctermbg=Yellow ctermfg=Black", "WildMenu term=standout ctermbg=Yellow ctermfg=Black guibg=Yellow guifg=Black"), #endif #ifdef FEAT_FOLDING CENT("Folded term=standout ctermbg=DarkGrey ctermfg=Cyan", "Folded term=standout ctermbg=DarkGrey ctermfg=Cyan guibg=DarkGrey guifg=Cyan"), CENT("FoldColumn term=standout ctermbg=DarkGrey ctermfg=Cyan", "FoldColumn term=standout ctermbg=DarkGrey ctermfg=Cyan guibg=Grey guifg=Cyan"), #endif #ifdef FEAT_SIGNS CENT("SignColumn term=standout ctermbg=DarkGrey ctermfg=Cyan", "SignColumn term=standout ctermbg=DarkGrey ctermfg=Cyan guibg=Grey guifg=Cyan"), #endif CENT("Visual term=reverse", "Visual term=reverse guibg=DarkGrey"), #ifdef FEAT_DIFF CENT("DiffAdd term=bold ctermbg=DarkBlue", "DiffAdd term=bold ctermbg=DarkBlue guibg=DarkBlue"), CENT("DiffChange term=bold ctermbg=DarkMagenta", "DiffChange term=bold ctermbg=DarkMagenta guibg=DarkMagenta"), CENT("DiffDelete term=bold ctermfg=Blue ctermbg=DarkCyan", "DiffDelete term=bold ctermfg=Blue ctermbg=DarkCyan gui=bold guifg=Blue guibg=DarkCyan"), #endif CENT("TabLine term=underline cterm=underline ctermfg=white ctermbg=DarkGrey", "TabLine term=underline cterm=underline ctermfg=white ctermbg=DarkGrey gui=underline guibg=DarkGrey"), #ifdef FEAT_SYN_HL CENT("CursorColumn term=reverse ctermbg=DarkGrey", "CursorColumn term=reverse ctermbg=DarkGrey guibg=Grey40"), CENT("CursorLine term=underline cterm=underline", "CursorLine term=underline cterm=underline guibg=Grey40"), CENT("ColorColumn term=reverse ctermbg=DarkRed", "ColorColumn term=reverse ctermbg=DarkRed guibg=DarkRed"), #endif CENT("MatchParen term=reverse ctermbg=DarkCyan", "MatchParen term=reverse ctermbg=DarkCyan guibg=DarkCyan"), #ifdef FEAT_CONCEAL CENT("Conceal ctermbg=DarkGrey ctermfg=LightGrey", "Conceal ctermbg=DarkGrey ctermfg=LightGrey guibg=DarkGrey guifg=LightGrey"), #endif #ifdef FEAT_TERMINAL CENT("StatusLineTerm term=reverse,bold cterm=bold ctermfg=Black ctermbg=LightGreen", "StatusLineTerm term=reverse,bold cterm=bold ctermfg=Black ctermbg=LightGreen gui=bold guifg=bg guibg=LightGreen"), CENT("StatusLineTermNC term=reverse ctermfg=Black ctermbg=LightGreen", "StatusLineTermNC term=reverse ctermfg=Black ctermbg=LightGreen guifg=bg guibg=LightGreen"), #endif #ifdef FEAT_MENU CENT("ToolbarLine term=underline ctermbg=DarkGrey", "ToolbarLine term=underline ctermbg=DarkGrey guibg=Grey50"), CENT("ToolbarButton cterm=bold ctermfg=Black ctermbg=LightGrey", "ToolbarButton cterm=bold ctermfg=Black ctermbg=LightGrey gui=bold guifg=Black guibg=LightGrey"), #endif NULL }; #if defined(FEAT_SYN_HL) || defined(PROTO) /* * Returns the number of highlight groups. */ int highlight_num_groups(void) { return highlight_ga.ga_len; } /* * Returns the name of a highlight group. */ char_u * highlight_group_name(int id) { return HL_TABLE()[id].sg_name; } /* * Returns the ID of the link to a highlight group. */ int highlight_link_id(int id) { return HL_TABLE()[id].sg_link; } #endif void init_highlight( int both, // include groups where 'bg' doesn't matter int reset) // clear group first { int i; char **pp; static int had_both = FALSE; #ifdef FEAT_EVAL char_u *p; // Try finding the color scheme file. Used when a color file was loaded // and 'background' or 't_Co' is changed. p = get_var_value((char_u *)"g:colors_name"); if (p != NULL) { // The value of g:colors_name could be freed when sourcing the script, // making "p" invalid, so copy it. char_u *copy_p = vim_strsave(p); int r; if (copy_p != NULL) { r = load_colors(copy_p); vim_free(copy_p); if (r == OK) return; } } #endif // Didn't use a color file, use the compiled-in colors. if (both) { had_both = TRUE; pp = highlight_init_both; for (i = 0; pp[i] != NULL; ++i) do_highlight((char_u *)pp[i], reset, TRUE); } else if (!had_both) // Don't do anything before the call with both == TRUE from main(). // Not everything has been setup then, and that call will overrule // everything anyway. return; if (*p_bg == 'l') pp = highlight_init_light; else pp = highlight_init_dark; for (i = 0; pp[i] != NULL; ++i) do_highlight((char_u *)pp[i], reset, TRUE); // Reverse looks ugly, but grey may not work for 8 colors. Thus let it // depend on the number of colors available. // With 8 colors brown is equal to yellow, need to use black for Search fg // to avoid Statement highlighted text disappears. // Clear the attributes, needed when changing the t_Co value. if (t_colors > 8) do_highlight((char_u *)(*p_bg == 'l' ? "Visual cterm=NONE ctermbg=LightGrey" : "Visual cterm=NONE ctermbg=DarkGrey"), FALSE, TRUE); else { do_highlight((char_u *)"Visual cterm=reverse ctermbg=NONE", FALSE, TRUE); if (*p_bg == 'l') do_highlight((char_u *)"Search ctermfg=black", FALSE, TRUE); } #ifdef FEAT_SYN_HL // If syntax highlighting is enabled load the highlighting for it. if (get_var_value((char_u *)"g:syntax_on") != NULL) { static int recursive = 0; if (recursive >= 5) emsg(_(e_recursive_loop_loading_syncolor_vim)); else { ++recursive; (void)source_runtime((char_u *)"syntax/syncolor.vim", DIP_ALL); --recursive; } } #endif } #if defined(FEAT_EVAL) && (defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS)) /* * Load a default color list. Intended to support legacy color names but allows * the user to override the color values. Only loaded once. */ static void load_default_colors_lists() { // Lacking a default color list isn't the end of the world but it is likely // an inconvenience so users should know when it is missing. if (source_runtime((char_u *)"colors/lists/default.vim", DIP_ALL) != OK) msg("failed to load colors/lists/default.vim"); } #endif /* * Load color file "name". * Return OK for success, FAIL for failure. */ int load_colors(char_u *name) { char_u *buf; int retval = FAIL; static int recursive = FALSE; // When being called recursively, this is probably because setting // 'background' caused the highlighting to be reloaded. This means it is // working, thus we should return OK. if (recursive) return OK; recursive = TRUE; buf = alloc(STRLEN(name) + 12); if (buf != NULL) { #if defined(FEAT_EVAL) && (defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS)) load_default_colors_lists(); #endif apply_autocmds(EVENT_COLORSCHEMEPRE, name, curbuf->b_fname, FALSE, curbuf); sprintf((char *)buf, "colors/%s.vim", name); retval = source_runtime(buf, DIP_START + DIP_OPT); vim_free(buf); apply_autocmds(EVENT_COLORSCHEME, name, curbuf->b_fname, FALSE, curbuf); } recursive = FALSE; return retval; } static char *(color_names[28]) = { "Black", "DarkBlue", "DarkGreen", "DarkCyan", "DarkRed", "DarkMagenta", "Brown", "DarkYellow", "Gray", "Grey", "LightGray", "LightGrey", "DarkGray", "DarkGrey", "Blue", "LightBlue", "Green", "LightGreen", "Cyan", "LightCyan", "Red", "LightRed", "Magenta", "LightMagenta", "Yellow", "LightYellow", "White", "NONE"}; // indices: // 0, 1, 2, 3, // 4, 5, 6, 7, // 8, 9, 10, 11, // 12, 13, // 14, 15, 16, 17, // 18, 19, 20, 21, 22, // 23, 24, 25, 26, 27 static int color_numbers_16[28] = {0, 1, 2, 3, 4, 5, 6, 6, 7, 7, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13, 14, 14, 15, -1}; // for xterm with 88 colors... static int color_numbers_88[28] = {0, 4, 2, 6, 1, 5, 32, 72, 84, 84, 7, 7, 82, 82, 12, 43, 10, 61, 14, 63, 9, 74, 13, 75, 11, 78, 15, -1}; // for xterm with 256 colors... static int color_numbers_256[28] = {0, 4, 2, 6, 1, 5, 130, 3, 248, 248, 7, 7, 242, 242, 12, 81, 10, 121, 14, 159, 9, 224, 13, 225, 11, 229, 15, -1}; // for terminals with less than 16 colors... static int color_numbers_8[28] = {0, 4, 2, 6, 1, 5, 3, 3, 7, 7, 7, 7, 0+8, 0+8, 4+8, 4+8, 2+8, 2+8, 6+8, 6+8, 1+8, 1+8, 5+8, 5+8, 3+8, 3+8, 7+8, -1}; /* * Lookup the "cterm" value to be used for color with index "idx" in * color_names[]. * "boldp" will be set to TRUE or FALSE for a foreground color when using 8 * colors, otherwise it will be unchanged. */ static int lookup_color(int idx, int foreground, int *boldp) { int color = color_numbers_16[idx]; char_u *p; // Use the _16 table to check if it's a valid color name. if (color < 0) return -1; if (t_colors == 8) { // t_Co is 8: use the 8 colors table #if defined(__QNXNTO__) // On qnx, the 8 & 16 color arrays are the same if (STRNCMP(T_NAME, "qansi", 5) == 0) color = color_numbers_16[idx]; else #endif color = color_numbers_8[idx]; if (foreground) { // set/reset bold attribute to get light foreground // colors (on some terminals, e.g. "linux") if (color & 8) *boldp = TRUE; else *boldp = FALSE; } color &= 7; // truncate to 8 colors } else if (t_colors == 16 || t_colors == 88 || t_colors >= 256) { // Guess: if the termcap entry ends in 'm', it is // probably an xterm-like terminal. Use the changed // order for colors. if (*T_CAF != NUL) p = T_CAF; else p = T_CSF; if (*p != NUL && (t_colors > 256 || *(p + STRLEN(p) - 1) == 'm')) { if (t_colors == 88) color = color_numbers_88[idx]; else if (t_colors >= 256) color = color_numbers_256[idx]; else color = color_numbers_8[idx]; } #ifdef FEAT_TERMRESPONSE if (t_colors >= 256 && color == 15 && is_mac_terminal) // Terminal.app has a bug: 15 is light grey. Use white // from the color cube instead. color = 231; #endif } return color; } /* * Link highlight group 'from_hg' to 'to_hg'. * 'dodefault' is set to TRUE for ":highlight default link". * 'forceit' is set to TRUE for ":higlight! link" * 'init' is set to TRUE when initializing all the highlight groups. */ static void highlight_group_link( char_u *from_hg, int from_len, char_u *to_hg, int to_len, int dodefault, int forceit, int init) { int from_id; int to_id; hl_group_T *hlgroup = NULL; from_id = syn_check_group(from_hg, from_len); if (STRNCMP(to_hg, "NONE", 4) == 0) to_id = 0; else to_id = syn_check_group(to_hg, to_len); if (from_id > 0) { hlgroup = &HL_TABLE()[from_id - 1]; if (dodefault && (forceit || hlgroup->sg_deflink == 0)) { hlgroup->sg_deflink = to_id; #ifdef FEAT_EVAL hlgroup->sg_deflink_sctx = current_sctx; hlgroup->sg_deflink_sctx.sc_lnum += SOURCING_LNUM; #endif } } if (from_id > 0 && (!init || hlgroup->sg_set == 0)) { // Don't allow a link when there already is some highlighting // for the group, unless '!' is used if (to_id > 0 && !forceit && !init && hl_has_settings(from_id - 1, dodefault)) { if (SOURCING_NAME == NULL && !dodefault) emsg(_(e_group_has_settings_highlight_link_ignored)); } else if (hlgroup->sg_link != to_id #ifdef FEAT_EVAL || hlgroup->sg_script_ctx.sc_sid != current_sctx.sc_sid #endif || hlgroup->sg_cleared) { if (!init) hlgroup->sg_set |= SG_LINK; hlgroup->sg_link = to_id; #ifdef FEAT_EVAL hlgroup->sg_script_ctx = current_sctx; hlgroup->sg_script_ctx.sc_lnum += SOURCING_LNUM; #endif hlgroup->sg_cleared = FALSE; redraw_all_later(UPD_SOME_VALID); // Only call highlight_changed() once after multiple changes. need_highlight_changed = TRUE; } } } /* * Reset all highlighting to the defaults. Removes all highlighting for the * groups added by the user. */ static void highlight_reset_all(void) { int idx; #ifdef FEAT_GUI // First, we do not destroy the old values, but allocate the new // ones and update the display. THEN we destroy the old values. // If we destroy the old values first, then the old values // (such as GuiFont's or GuiFontset's) will still be displayed but // invalid because they were free'd. if (gui.in_use) { # ifdef FEAT_BEVAL_TIP gui_init_tooltip_font(); # endif # if defined(FEAT_MENU) && defined(FEAT_GUI_MOTIF) gui_init_menu_font(); # endif } # if defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_X11) gui_mch_def_colors(); # endif # ifdef FEAT_GUI_X11 # ifdef FEAT_MENU // This only needs to be done when there is no Menu highlight // group defined by default, which IS currently the case. gui_mch_new_menu_colors(); # endif if (gui.in_use) { gui_new_scrollbar_colors(); # ifdef FEAT_BEVAL_GUI gui_mch_new_tooltip_colors(); # endif # ifdef FEAT_MENU gui_mch_new_menu_font(); # endif } # endif // Ok, we're done allocating the new default graphics items. // The screen should already be refreshed at this point. // It is now Ok to clear out the old data. #endif #ifdef FEAT_EVAL do_unlet((char_u *)"g:colors_name", TRUE); #endif restore_cterm_colors(); // Clear all default highlight groups and load the defaults. for (idx = 0; idx < highlight_ga.ga_len; ++idx) highlight_clear(idx); init_highlight(TRUE, TRUE); #if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) if (USE_24BIT) highlight_gui_started(); else #endif highlight_changed(); redraw_later_clear(); } /* * Set the 'term' or 'cterm' or 'gui' attributes for the highlight group at * index 'idx'. * 'key' is one of 'TERM' or 'CTERM' or 'GUI' * 'arg' is the list of attribute names separated by comma. * 'init' is set to TRUE when initializing all the highlight groups. * Returns TRUE if the attributes are set. */ static int highlight_set_termgui_attr(int idx, char_u *key, char_u *arg, int init) { int attr; int off; long i; int len; attr = 0; off = 0; while (arg[off] != NUL) { for (i = ARRAY_LENGTH(hl_attr_table); --i >= 0; ) { len = (int)STRLEN(hl_name_table[i]); if (STRNICMP(arg + off, hl_name_table[i], len) == 0) { attr |= hl_attr_table[i]; off += len; break; } } if (i < 0) { semsg(_(e_illegal_value_str), arg); return FALSE; } if (arg[off] == ',') // another one follows ++off; } if (*key == 'T') { if (!init || !(HL_TABLE()[idx].sg_set & SG_TERM)) { if (!init) HL_TABLE()[idx].sg_set |= SG_TERM; HL_TABLE()[idx].sg_term = attr; } } else if (*key == 'C') { if (!init || !(HL_TABLE()[idx].sg_set & SG_CTERM)) { if (!init) HL_TABLE()[idx].sg_set |= SG_CTERM; HL_TABLE()[idx].sg_cterm = attr; HL_TABLE()[idx].sg_cterm_bold = FALSE; } } #if defined(FEAT_GUI) || defined(FEAT_EVAL) else { if (!init || !(HL_TABLE()[idx].sg_set & SG_GUI)) { if (!init) HL_TABLE()[idx].sg_set |= SG_GUI; HL_TABLE()[idx].sg_gui = attr; } } #endif return TRUE; } #ifdef FEAT_GUI /* * Set the font for the highlight group at 'idx'. * 'arg' is the font name. * Returns TRUE if the font is changed. */ static int highlight_set_font( int idx, char_u *arg, int is_normal_group, int is_menu_group, int is_tooltip_group) { int did_change = FALSE; // in non-GUI fonts are simply ignored if (HL_TABLE()[idx].sg_font_name != NULL && STRCMP(HL_TABLE()[idx].sg_font_name, arg) == 0) { // Font name didn't change, ignore. } else if (!gui.shell_created) { // GUI not started yet, always accept the name. vim_free(HL_TABLE()[idx].sg_font_name); HL_TABLE()[idx].sg_font_name = vim_strsave(arg); did_change = TRUE; } else { GuiFont temp_sg_font = HL_TABLE()[idx].sg_font; # ifdef FEAT_XFONTSET GuiFontset temp_sg_fontset = HL_TABLE()[idx].sg_fontset; # endif // First, save the current font/fontset. // Then try to allocate the font/fontset. // If the allocation fails, HL_TABLE()[idx].sg_font OR // sg_fontset will be set to NOFONT or NOFONTSET respectively. HL_TABLE()[idx].sg_font = NOFONT; # ifdef FEAT_XFONTSET HL_TABLE()[idx].sg_fontset = NOFONTSET; # endif hl_do_font(idx, arg, is_normal_group, is_menu_group, is_tooltip_group, FALSE); # ifdef FEAT_XFONTSET if (HL_TABLE()[idx].sg_fontset != NOFONTSET) { // New fontset was accepted. Free the old one, if there // was one. gui_mch_free_fontset(temp_sg_fontset); vim_free(HL_TABLE()[idx].sg_font_name); HL_TABLE()[idx].sg_font_name = vim_strsave(arg); did_change = TRUE; } else HL_TABLE()[idx].sg_fontset = temp_sg_fontset; # endif if (HL_TABLE()[idx].sg_font != NOFONT) { // New font was accepted. Free the old one, if there was // one. gui_mch_free_font(temp_sg_font); vim_free(HL_TABLE()[idx].sg_font_name); HL_TABLE()[idx].sg_font_name = vim_strsave(arg); did_change = TRUE; } else HL_TABLE()[idx].sg_font = temp_sg_font; } return did_change; } #endif /* * Set the cterm foreground color for the highlight group at 'idx' to 'color'. * Returns TRUE if the foreground color is set. */ static void highlight_set_ctermfg(int idx, int color, int is_normal_group) { HL_TABLE()[idx].sg_cterm_fg = color + 1; if (is_normal_group) { cterm_normal_fg_color = color + 1; cterm_normal_fg_bold = (HL_TABLE()[idx].sg_cterm & HL_BOLD); #ifdef FEAT_GUI // Don't do this if the GUI is used. if (!gui.in_use && !gui.starting) #endif { must_redraw = UPD_CLEAR; if (termcap_active && color >= 0) term_fg_color(color); } } } /* * Set the cterm background color for the highlight group at 'idx' to 'color'. * Returns TRUE if the background color is set. */ static void highlight_set_ctermbg(int idx, int color, int is_normal_group) { HL_TABLE()[idx].sg_cterm_bg = color + 1; if (is_normal_group) { cterm_normal_bg_color = color + 1; #ifdef FEAT_GUI // Don't mess with 'background' if the GUI is used. if (!gui.in_use && !gui.starting) #endif { must_redraw = UPD_CLEAR; if (color >= 0) { int dark = -1; if (termcap_active) term_bg_color(color); if (t_colors < 16) dark = (color == 0 || color == 4); // Limit the heuristic to the standard 16 colors else if (color < 16) dark = (color < 7 || color == 8); // Set the 'background' option if the value is // wrong. if (dark != -1 && dark != (*p_bg == 'd') && !option_was_set((char_u *)"bg")) { set_option_value_give_err((char_u *)"bg", 0L, (char_u *)(dark ? "dark" : "light"), 0); reset_option_was_set((char_u *)"bg"); } } } } } /* * Set the cterm underline color for the highlight group at 'idx' to 'color'. * Returns TRUE if the underline color is set. */ static void highlight_set_ctermul(int idx, int color, int is_normal_group) { HL_TABLE()[idx].sg_cterm_ul = color + 1; if (is_normal_group) { cterm_normal_ul_color = color + 1; #ifdef FEAT_GUI // Don't do this if the GUI is used. if (!gui.in_use && !gui.starting) #endif { must_redraw = UPD_CLEAR; if (termcap_active && color >= 0) term_ul_color(color); } } } /* * Set the cterm fg/bg/ul color for the highlight group at 'idx'. * 'key' is one of 'CTERMFG' or 'CTERMBG' or 'CTERMUL'. * 'keystart' is the color name/value. * 'arg' is the color name or the numeric value as a string. * 'is_normal_group' is set if the highlight group is 'NORMAL' * 'init' is set to TRUE when initializing highlighting. * Called for the ":highlight" command and the "hlset()" function. * * Returns TRUE if the color is set. */ static int highlight_set_cterm_color( int idx, char_u *key, char_u *key_start, char_u *arg, int is_normal_group, int init) { int color; long i; int off; if (!init || !(HL_TABLE()[idx].sg_set & SG_CTERM)) { if (!init) HL_TABLE()[idx].sg_set |= SG_CTERM; // When setting the foreground color, and previously the "bold" // flag was set for a light color, reset it now if (key[5] == 'F' && HL_TABLE()[idx].sg_cterm_bold) { HL_TABLE()[idx].sg_cterm &= ~HL_BOLD; HL_TABLE()[idx].sg_cterm_bold = FALSE; } if (VIM_ISDIGIT(*arg)) color = atoi((char *)arg); else if (STRICMP(arg, "fg") == 0) { if (cterm_normal_fg_color) color = cterm_normal_fg_color - 1; else { emsg(_(e_fg_color_unknown)); return FALSE; } } else if (STRICMP(arg, "bg") == 0) { if (cterm_normal_bg_color > 0) color = cterm_normal_bg_color - 1; else { emsg(_(e_bg_color_unknown)); return FALSE; } } else if (STRICMP(arg, "ul") == 0) { if (cterm_normal_ul_color > 0) color = cterm_normal_ul_color - 1; else { emsg(_(e_ul_color_unknown)); return FALSE; } } else { int bold = MAYBE; // reduce calls to STRICMP a bit, it can be slow off = TOUPPER_ASC(*arg); for (i = ARRAY_LENGTH(color_names); --i >= 0; ) if (off == color_names[i][0] && STRICMP(arg + 1, color_names[i] + 1) == 0) break; if (i < 0) { semsg(_(e_color_name_or_number_not_recognized), key_start); return FALSE; } color = lookup_color(i, key[5] == 'F', &bold); // set/reset bold attribute to get light foreground // colors (on some terminals, e.g. "linux") if (bold == TRUE) { HL_TABLE()[idx].sg_cterm |= HL_BOLD; HL_TABLE()[idx].sg_cterm_bold = TRUE; } else if (bold == FALSE) HL_TABLE()[idx].sg_cterm &= ~HL_BOLD; } // Add one to the argument, to avoid zero. Zero is used for // "NONE", then "color" is -1. if (key[5] == 'F') highlight_set_ctermfg(idx, color, is_normal_group); else if (key[5] == 'B') highlight_set_ctermbg(idx, color, is_normal_group); else // ctermul highlight_set_ctermul(idx, color, is_normal_group); } return TRUE; } #if defined(FEAT_GUI) || defined(FEAT_EVAL) /* * Set the GUI foreground color for the highlight group at 'idx'. * Returns TRUE if the color is set. */ static int highlight_set_guifg( int idx, char_u *arg, int is_menu_group UNUSED, int is_scrollbar_group UNUSED, int is_tooltip_group UNUSED, int *do_colors UNUSED, int init) { # if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) long i; # endif char_u **namep; int did_change = FALSE; namep = &HL_TABLE()[idx].sg_gui_fg_name; if (!init || !(HL_TABLE()[idx].sg_set & SG_GUI)) { if (!init) HL_TABLE()[idx].sg_set |= SG_GUI; # if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) // In GUI guifg colors are only used when recognized i = color_name2handle(arg); if (i != INVALCOLOR || STRCMP(arg, "NONE") == 0 || !USE_24BIT) { HL_TABLE()[idx].sg_gui_fg = i; # endif if (*namep == NULL || STRCMP(*namep, arg) != 0) { vim_free(*namep); if (STRCMP(arg, "NONE") != 0) *namep = vim_strsave(arg); else *namep = NULL; did_change = TRUE; } # if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) # ifdef FEAT_GUI_X11 if (is_menu_group && gui.menu_fg_pixel != i) { gui.menu_fg_pixel = i; *do_colors = TRUE; } if (is_scrollbar_group && gui.scroll_fg_pixel != i) { gui.scroll_fg_pixel = i; *do_colors = TRUE; } # ifdef FEAT_BEVAL_GUI if (is_tooltip_group && gui.tooltip_fg_pixel != i) { gui.tooltip_fg_pixel = i; *do_colors = TRUE; } # endif # endif } # endif } return did_change; } /* * Set the GUI background color for the highlight group at 'idx'. * Returns TRUE if the color is set. */ static int highlight_set_guibg( int idx, char_u *arg, int is_menu_group UNUSED, int is_scrollbar_group UNUSED, int is_tooltip_group UNUSED, int *do_colors UNUSED, int init) { # if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) int i; # endif char_u **namep; int did_change = FALSE; namep = &HL_TABLE()[idx].sg_gui_bg_name; if (!init || !(HL_TABLE()[idx].sg_set & SG_GUI)) { if (!init) HL_TABLE()[idx].sg_set |= SG_GUI; # if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) // In GUI guibg colors are only used when recognized i = color_name2handle(arg); if (i != INVALCOLOR || STRCMP(arg, "NONE") == 0 || !USE_24BIT) { HL_TABLE()[idx].sg_gui_bg = i; # endif if (*namep == NULL || STRCMP(*namep, arg) != 0) { vim_free(*namep); if (STRCMP(arg, "NONE") != 0) *namep = vim_strsave(arg); else *namep = NULL; did_change = TRUE; } # if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) # ifdef FEAT_GUI_X11 if (is_menu_group && gui.menu_bg_pixel != i) { gui.menu_bg_pixel = i; *do_colors = TRUE; } if (is_scrollbar_group && gui.scroll_bg_pixel != i) { gui.scroll_bg_pixel = i; *do_colors = TRUE; } # ifdef FEAT_BEVAL_GUI if (is_tooltip_group && gui.tooltip_bg_pixel != i) { gui.tooltip_bg_pixel = i; *do_colors = TRUE; } # endif # endif } # endif } return did_change; } /* * Set the GUI undercurl/strikethrough color for the highlight group at 'idx'. * Returns TRUE if the color is set. */ static int highlight_set_guisp(int idx, char_u *arg, int init) { # if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) int i; # endif int did_change = FALSE; char_u **namep; namep = &HL_TABLE()[idx].sg_gui_sp_name; if (!init || !(HL_TABLE()[idx].sg_set & SG_GUI)) { if (!init) HL_TABLE()[idx].sg_set |= SG_GUI; # if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) // In GUI guisp colors are only used when recognized i = color_name2handle(arg); if (i != INVALCOLOR || STRCMP(arg, "NONE") == 0 || !USE_24BIT) { HL_TABLE()[idx].sg_gui_sp = i; # endif if (*namep == NULL || STRCMP(*namep, arg) != 0) { vim_free(*namep); if (STRCMP(arg, "NONE") != 0) *namep = vim_strsave(arg); else *namep = NULL; did_change = TRUE; } # if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) } # endif } return did_change; } #endif /* * Set the start/stop terminal codes for a highlight group. * Returns TRUE if the terminal code is set. */ static int highlight_set_startstop_termcode(int idx, char_u *key, char_u *arg, int init) { int off; char_u buf[100]; int len; char_u *tname; char_u *p; if (!init) HL_TABLE()[idx].sg_set |= SG_TERM; // The "start" and "stop" arguments can be a literal escape // sequence, or a comma separated list of terminal codes. if (STRNCMP(arg, "t_", 2) == 0) { off = 0; buf[0] = 0; while (arg[off] != NUL) { // Isolate one termcap name for (len = 0; arg[off + len] && arg[off + len] != ','; ++len) ; tname = vim_strnsave(arg + off, len); if (tname == NULL) // out of memory return FALSE; // lookup the escape sequence for the item p = get_term_code(tname); vim_free(tname); if (p == NULL) // ignore non-existing things p = (char_u *)""; // Append it to the already found stuff if ((int)(STRLEN(buf) + STRLEN(p)) >= 99) { semsg(_(e_terminal_code_too_long_str), arg); return FALSE; } STRCAT(buf, p); // Advance to the next item off += len; if (arg[off] == ',') // another one follows ++off; } } else { // Copy characters from arg[] to buf[], translating <> codes. for (p = arg, off = 0; off < 100 - 6 && *p; ) { len = trans_special(&p, buf + off, FSK_SIMPLIFY, FALSE, NULL); if (len > 0) // recognized special char off += len; else // copy as normal char buf[off++] = *p++; } buf[off] = NUL; } if (STRCMP(buf, "NONE") == 0) // resetting the value p = NULL; else p = vim_strsave(buf); if (key[2] == 'A') { vim_free(HL_TABLE()[idx].sg_start); HL_TABLE()[idx].sg_start = p; } else { vim_free(HL_TABLE()[idx].sg_stop); HL_TABLE()[idx].sg_stop = p; } return TRUE; } /* * Handle the ":highlight .." command. * When using ":hi clear" this is called recursively for each group with * "forceit" and "init" both TRUE. */ void do_highlight( char_u *line, int forceit, int init) // TRUE when called for initializing { char_u *name_end; char_u *linep; char_u *key_start; char_u *arg_start; char_u *key = NULL, *arg = NULL; long i; int id; int idx; hl_group_T item_before; int did_change = FALSE; int dodefault = FALSE; int doclear = FALSE; int dolink = FALSE; int error = FALSE; int is_normal_group = FALSE; // "Normal" group #ifdef FEAT_GUI_X11 int is_menu_group = FALSE; // "Menu" group int is_scrollbar_group = FALSE; // "Scrollbar" group int is_tooltip_group = FALSE; // "Tooltip" group #else # define is_menu_group 0 # define is_tooltip_group 0 # define is_scrollbar_group 0 #endif #if defined(FEAT_GUI) || defined(FEAT_EVAL) int do_colors = FALSE; // need to update colors? #endif #if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) int did_highlight_changed = FALSE; #endif // If no argument, list current highlighting. if (!init && ends_excmd2(line - 1, line)) { for (i = 1; i <= highlight_ga.ga_len && !got_int; ++i) // TODO: only call when the group has attributes set highlight_list_one((int)i); return; } // Isolate the name. name_end = skiptowhite(line); linep = skipwhite(name_end); // Check for "default" argument. if (STRNCMP(line, "default", name_end - line) == 0) { dodefault = TRUE; line = linep; name_end = skiptowhite(line); linep = skipwhite(name_end); } // Check for "clear" or "link" argument. if (STRNCMP(line, "clear", name_end - line) == 0) doclear = TRUE; if (STRNCMP(line, "link", name_end - line) == 0) dolink = TRUE; // ":highlight {group-name}": list highlighting for one group. if (!doclear && !dolink && ends_excmd2(line, linep)) { id = syn_namen2id(line, (int)(name_end - line)); if (id == 0) semsg(_(e_highlight_group_name_not_found_str), line); else highlight_list_one(id); return; } // Handle ":highlight link {from} {to}" command. if (dolink) { char_u *from_start = linep; char_u *from_end; int from_len; char_u *to_start; char_u *to_end; int to_len; from_end = skiptowhite(from_start); to_start = skipwhite(from_end); to_end = skiptowhite(to_start); if (ends_excmd2(line, from_start) || ends_excmd2(line, to_start)) { semsg(_(e_not_enough_arguments_highlight_link_str), from_start); return; } if (!ends_excmd2(line, skipwhite(to_end))) { semsg(_(e_too_many_arguments_highlight_link_str), from_start); return; } from_len = (int)(from_end - from_start); to_len = (int)(to_end - to_start); highlight_group_link(from_start, from_len, to_start, to_len, dodefault, forceit, init); return; } if (doclear) { // ":highlight clear [group]" command. if (ends_excmd2(line, linep)) { // ":highlight clear" without group name highlight_reset_all(); return; } line = linep; name_end = skiptowhite(line); linep = skipwhite(name_end); } // Find the group name in the table. If it does not exist yet, add it. id = syn_check_group(line, (int)(name_end - line)); if (id == 0) // failed (out of memory) return; idx = id - 1; // index is ID minus one // Return if "default" was used and the group already has settings. if (dodefault && hl_has_settings(idx, TRUE)) return; // Make a copy so we can check if any attribute actually changed. item_before = HL_TABLE()[idx]; if (STRCMP(HL_TABLE()[idx].sg_name_u, "NORMAL") == 0) is_normal_group = TRUE; #ifdef FEAT_GUI_X11 else if (STRCMP(HL_TABLE()[idx].sg_name_u, "MENU") == 0) is_menu_group = TRUE; else if (STRCMP(HL_TABLE()[idx].sg_name_u, "SCROLLBAR") == 0) is_scrollbar_group = TRUE; else if (STRCMP(HL_TABLE()[idx].sg_name_u, "TOOLTIP") == 0) is_tooltip_group = TRUE; #endif // Clear the highlighting for ":hi clear {group}" and ":hi clear". if (doclear || (forceit && init)) { highlight_clear(idx); if (!doclear) HL_TABLE()[idx].sg_set = 0; } if (!doclear) while (!ends_excmd2(line, linep)) { key_start = linep; if (*linep == '=') { semsg(_(e_unexpected_equal_sign_str), key_start); error = TRUE; break; } // Isolate the key ("term", "ctermfg", "ctermbg", "font", "guifg" // or "guibg"). while (*linep && !VIM_ISWHITE(*linep) && *linep != '=') ++linep; vim_free(key); key = vim_strnsave_up(key_start, linep - key_start); if (key == NULL) { error = TRUE; break; } linep = skipwhite(linep); if (STRCMP(key, "NONE") == 0) { if (!init || HL_TABLE()[idx].sg_set == 0) { if (!init) HL_TABLE()[idx].sg_set |= SG_TERM+SG_CTERM+SG_GUI; highlight_clear(idx); } continue; } // Check for the equal sign. if (*linep != '=') { semsg(_(e_missing_equal_sign_str_2), key_start); error = TRUE; break; } ++linep; // Isolate the argument. linep = skipwhite(linep); if (*linep == '\'') // guifg='color name' { arg_start = ++linep; linep = vim_strchr(linep, '\''); if (linep == NULL) { semsg(_(e_invalid_argument_str), key_start); error = TRUE; break; } } else { arg_start = linep; linep = skiptowhite(linep); } if (linep == arg_start) { semsg(_(e_missing_argument_str), key_start); error = TRUE; break; } vim_free(arg); arg = vim_strnsave(arg_start, linep - arg_start); if (arg == NULL) { error = TRUE; break; } if (*linep == '\'') ++linep; // Store the argument. if (STRCMP(key, "TERM") == 0 || STRCMP(key, "CTERM") == 0 || STRCMP(key, "GUI") == 0) { if (!highlight_set_termgui_attr(idx, key, arg, init)) { error = TRUE; break; } } else if (STRCMP(key, "FONT") == 0) { // in non-GUI fonts are simply ignored #ifdef FEAT_GUI if (highlight_set_font(idx, arg, is_normal_group, is_menu_group, is_tooltip_group)) did_change = TRUE; #endif } else if (STRCMP(key, "CTERMFG") == 0 || STRCMP(key, "CTERMBG") == 0 || STRCMP(key, "CTERMUL") == 0) { if (!highlight_set_cterm_color(idx, key, key_start, arg, is_normal_group, init)) { error = TRUE; break; } } else if (STRCMP(key, "GUIFG") == 0) { #if defined(FEAT_GUI) || defined(FEAT_EVAL) if (highlight_set_guifg(idx, arg, is_menu_group, is_scrollbar_group, is_tooltip_group, &do_colors, init)) did_change = TRUE; #endif } else if (STRCMP(key, "GUIBG") == 0) { #if defined(FEAT_GUI) || defined(FEAT_EVAL) if (highlight_set_guibg(idx, arg, is_menu_group, is_scrollbar_group, is_tooltip_group, &do_colors, init)) did_change = TRUE; #endif } else if (STRCMP(key, "GUISP") == 0) { #if defined(FEAT_GUI) || defined(FEAT_EVAL) if (highlight_set_guisp(idx, arg, init)) did_change = TRUE; #endif } else if (STRCMP(key, "START") == 0 || STRCMP(key, "STOP") == 0) { if (!highlight_set_startstop_termcode(idx, key, arg, init)) { error = TRUE; break; } } else { semsg(_(e_illegal_argument_str_3), key_start); error = TRUE; break; } HL_TABLE()[idx].sg_cleared = FALSE; // When highlighting has been given for a group, don't link it. if (!init || !(HL_TABLE()[idx].sg_set & SG_LINK)) HL_TABLE()[idx].sg_link = 0; // Continue with next argument. linep = skipwhite(linep); } // If there is an error, and it's a new entry, remove it from the table. if (error && idx == highlight_ga.ga_len) syn_unadd_group(); else { if (is_normal_group) { HL_TABLE()[idx].sg_term_attr = 0; HL_TABLE()[idx].sg_cterm_attr = 0; #ifdef FEAT_GUI HL_TABLE()[idx].sg_gui_attr = 0; // Need to update all groups, because they might be using "bg" // and/or "fg", which have been changed now. #endif #if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) if (USE_24BIT) { highlight_gui_started(); did_highlight_changed = TRUE; redraw_all_later(UPD_NOT_VALID); } #endif #ifdef FEAT_VTP control_console_color_rgb(); #endif } #ifdef FEAT_GUI_X11 # ifdef FEAT_MENU else if (is_menu_group) { if (gui.in_use && do_colors) gui_mch_new_menu_colors(); } # endif else if (is_scrollbar_group) { if (gui.in_use && do_colors) gui_new_scrollbar_colors(); else set_hl_attr(idx); } # ifdef FEAT_BEVAL_GUI else if (is_tooltip_group) { if (gui.in_use && do_colors) gui_mch_new_tooltip_colors(); } # endif #endif else set_hl_attr(idx); #ifdef FEAT_EVAL HL_TABLE()[idx].sg_script_ctx = current_sctx; HL_TABLE()[idx].sg_script_ctx.sc_lnum += SOURCING_LNUM; #endif } vim_free(key); vim_free(arg); // Only call highlight_changed() once, after a sequence of highlight // commands, and only if an attribute actually changed. if ((did_change || memcmp(&HL_TABLE()[idx], &item_before, sizeof(item_before)) != 0) #if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) && !did_highlight_changed #endif ) { // Do not trigger a redraw when highlighting is changed while // redrawing. This may happen when evaluating 'statusline' changes the // StatusLine group. if (!updating_screen) redraw_all_later(UPD_NOT_VALID); need_highlight_changed = TRUE; } } #if defined(EXITFREE) || defined(PROTO) void free_highlight(void) { int i; for (i = 0; i < highlight_ga.ga_len; ++i) { highlight_clear(i); vim_free(HL_TABLE()[i].sg_name); vim_free(HL_TABLE()[i].sg_name_u); } ga_clear(&highlight_ga); } #endif /* * Reset the cterm colors to what they were before Vim was started, if * possible. Otherwise reset them to zero. */ void restore_cterm_colors(void) { #if defined(MSWIN) && !defined(FEAT_GUI_MSWIN) // Since t_me has been set, this probably means that the user // wants to use this as default colors. Need to reset default // background/foreground colors. mch_set_normal_colors(); #else # ifdef VIMDLL if (!gui.in_use) { mch_set_normal_colors(); return; } # endif cterm_normal_fg_color = 0; cterm_normal_fg_bold = 0; cterm_normal_bg_color = 0; # ifdef FEAT_TERMGUICOLORS cterm_normal_fg_gui_color = INVALCOLOR; cterm_normal_bg_gui_color = INVALCOLOR; cterm_normal_ul_gui_color = INVALCOLOR; # endif #endif } /* * Return TRUE if highlight group "idx" has any settings. * When "check_link" is TRUE also check for an existing link. */ static int hl_has_settings(int idx, int check_link) { return HL_TABLE()[idx].sg_cleared == 0 && ( HL_TABLE()[idx].sg_term_attr != 0 || HL_TABLE()[idx].sg_cterm_attr != 0 || HL_TABLE()[idx].sg_cterm_fg != 0 || HL_TABLE()[idx].sg_cterm_bg != 0 #ifdef FEAT_GUI || HL_TABLE()[idx].sg_gui_attr != 0 || HL_TABLE()[idx].sg_gui_fg_name != NULL || HL_TABLE()[idx].sg_gui_bg_name != NULL || HL_TABLE()[idx].sg_gui_sp_name != NULL || HL_TABLE()[idx].sg_font_name != NULL #endif || (check_link && (HL_TABLE()[idx].sg_set & SG_LINK))); } /* * Clear highlighting for one group. */ static void highlight_clear(int idx) { HL_TABLE()[idx].sg_cleared = TRUE; HL_TABLE()[idx].sg_term = 0; VIM_CLEAR(HL_TABLE()[idx].sg_start); VIM_CLEAR(HL_TABLE()[idx].sg_stop); HL_TABLE()[idx].sg_term_attr = 0; HL_TABLE()[idx].sg_cterm = 0; HL_TABLE()[idx].sg_cterm_bold = FALSE; HL_TABLE()[idx].sg_cterm_fg = 0; HL_TABLE()[idx].sg_cterm_bg = 0; HL_TABLE()[idx].sg_cterm_attr = 0; #if defined(FEAT_GUI) || defined(FEAT_EVAL) HL_TABLE()[idx].sg_gui = 0; VIM_CLEAR(HL_TABLE()[idx].sg_gui_fg_name); VIM_CLEAR(HL_TABLE()[idx].sg_gui_bg_name); VIM_CLEAR(HL_TABLE()[idx].sg_gui_sp_name); #endif #if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) HL_TABLE()[idx].sg_gui_fg = INVALCOLOR; HL_TABLE()[idx].sg_gui_bg = INVALCOLOR; HL_TABLE()[idx].sg_gui_sp = INVALCOLOR; #endif #ifdef FEAT_GUI gui_mch_free_font(HL_TABLE()[idx].sg_font); HL_TABLE()[idx].sg_font = NOFONT; # ifdef FEAT_XFONTSET gui_mch_free_fontset(HL_TABLE()[idx].sg_fontset); HL_TABLE()[idx].sg_fontset = NOFONTSET; # endif VIM_CLEAR(HL_TABLE()[idx].sg_font_name); HL_TABLE()[idx].sg_gui_attr = 0; #endif // Restore default link and context if they exist. Otherwise clears. HL_TABLE()[idx].sg_link = HL_TABLE()[idx].sg_deflink; #ifdef FEAT_EVAL // Since we set the default link, set the location to where the default // link was set. HL_TABLE()[idx].sg_script_ctx = HL_TABLE()[idx].sg_deflink_sctx; #endif } #if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) || defined(PROTO) /* * Set the normal foreground and background colors according to the "Normal" * highlighting group. For X11 also set "Menu", "Scrollbar", and * "Tooltip" colors. */ void set_normal_colors(void) { # ifdef FEAT_GUI # ifdef FEAT_TERMGUICOLORS if (gui.in_use) # endif { if (set_group_colors((char_u *)"Normal", &gui.norm_pixel, &gui.back_pixel, FALSE, TRUE, FALSE)) { gui_mch_new_colors(); must_redraw = UPD_CLEAR; } # ifdef FEAT_GUI_X11 if (set_group_colors((char_u *)"Menu", &gui.menu_fg_pixel, &gui.menu_bg_pixel, TRUE, FALSE, FALSE)) { # ifdef FEAT_MENU gui_mch_new_menu_colors(); # endif must_redraw = UPD_CLEAR; } # ifdef FEAT_BEVAL_GUI if (set_group_colors((char_u *)"Tooltip", &gui.tooltip_fg_pixel, &gui.tooltip_bg_pixel, FALSE, FALSE, TRUE)) { # ifdef FEAT_TOOLBAR gui_mch_new_tooltip_colors(); # endif must_redraw = UPD_CLEAR; } # endif if (set_group_colors((char_u *)"Scrollbar", &gui.scroll_fg_pixel, &gui.scroll_bg_pixel, FALSE, FALSE, FALSE)) { gui_new_scrollbar_colors(); must_redraw = UPD_CLEAR; } # endif } # endif # ifdef FEAT_TERMGUICOLORS # ifdef FEAT_GUI else # endif { int idx; idx = syn_name2id((char_u *)"Normal") - 1; if (idx >= 0) { gui_do_one_color(idx, FALSE, FALSE); // If the normal fg or bg color changed a complete redraw is // required. if (cterm_normal_fg_gui_color != HL_TABLE()[idx].sg_gui_fg || cterm_normal_bg_gui_color != HL_TABLE()[idx].sg_gui_bg) { // if the GUI color is INVALCOLOR then we use the default cterm // color cterm_normal_fg_gui_color = HL_TABLE()[idx].sg_gui_fg; cterm_normal_bg_gui_color = HL_TABLE()[idx].sg_gui_bg; must_redraw = UPD_CLEAR; } } } # endif } #endif #if defined(FEAT_GUI) || defined(PROTO) /* * Set the colors for "Normal", "Menu", "Tooltip" or "Scrollbar". */ static int set_group_colors( char_u *name, guicolor_T *fgp, guicolor_T *bgp, int do_menu, int use_norm, int do_tooltip) { int idx; idx = syn_name2id(name) - 1; if (idx >= 0) { gui_do_one_color(idx, do_menu, do_tooltip); if (HL_TABLE()[idx].sg_gui_fg != INVALCOLOR) *fgp = HL_TABLE()[idx].sg_gui_fg; else if (use_norm) *fgp = gui.def_norm_pixel; if (HL_TABLE()[idx].sg_gui_bg != INVALCOLOR) *bgp = HL_TABLE()[idx].sg_gui_bg; else if (use_norm) *bgp = gui.def_back_pixel; return TRUE; } return FALSE; } /* * Get the font of the "Normal" group. * Returns "" when it's not found or not set. */ char_u * hl_get_font_name(void) { int id; char_u *s; id = syn_name2id((char_u *)"Normal"); if (id > 0) { s = HL_TABLE()[id - 1].sg_font_name; if (s != NULL) return s; } return (char_u *)""; } /* * Set font for "Normal" group. Called by gui_mch_init_font() when a font has * actually chosen to be used. */ void hl_set_font_name(char_u *font_name) { int id; id = syn_name2id((char_u *)"Normal"); if (id > 0) { vim_free(HL_TABLE()[id - 1].sg_font_name); HL_TABLE()[id - 1].sg_font_name = vim_strsave(font_name); } } /* * Set background color for "Normal" group. Called by gui_set_bg_color() * when the color is known. */ void hl_set_bg_color_name( char_u *name) // must have been allocated { int id; if (name != NULL) { id = syn_name2id((char_u *)"Normal"); if (id > 0) { vim_free(HL_TABLE()[id - 1].sg_gui_bg_name); HL_TABLE()[id - 1].sg_gui_bg_name = name; } } } /* * Set foreground color for "Normal" group. Called by gui_set_fg_color() * when the color is known. */ void hl_set_fg_color_name( char_u *name) // must have been allocated { int id; if (name != NULL) { id = syn_name2id((char_u *)"Normal"); if (id > 0) { vim_free(HL_TABLE()[id - 1].sg_gui_fg_name); HL_TABLE()[id - 1].sg_gui_fg_name = name; } } } /* * Return the handle for a font name. * Returns NOFONT when failed. */ static GuiFont font_name2handle(char_u *name) { if (STRCMP(name, "NONE") == 0) return NOFONT; return gui_mch_get_font(name, TRUE); } # ifdef FEAT_XFONTSET /* * Return the handle for a fontset name. * Returns NOFONTSET when failed. */ static GuiFontset fontset_name2handle(char_u *name, int fixed_width) { if (STRCMP(name, "NONE") == 0) return NOFONTSET; return gui_mch_get_fontset(name, TRUE, fixed_width); } # endif /* * Get the font or fontset for one highlight group. */ static void hl_do_font( int idx, char_u *arg, int do_normal, // set normal font int do_menu UNUSED, // set menu font int do_tooltip UNUSED, // set tooltip font int free_font) // free current font/fontset { # ifdef FEAT_XFONTSET // If 'guifontset' is not empty, first try using the name as a // fontset. If that doesn't work, use it as a font name. if (*p_guifontset != NUL # ifdef FONTSET_ALWAYS || do_menu # endif # ifdef FEAT_BEVAL_TIP // In Motif, the Tooltip highlight group is always a fontset || do_tooltip # endif ) { if (free_font) gui_mch_free_fontset(HL_TABLE()[idx].sg_fontset); HL_TABLE()[idx].sg_fontset = fontset_name2handle(arg, 0 # ifdef FONTSET_ALWAYS || do_menu # endif # ifdef FEAT_BEVAL_TIP || do_tooltip # endif ); } if (HL_TABLE()[idx].sg_fontset != NOFONTSET) { // If it worked and it's the Normal group, use it as the normal // fontset. Same for the Menu group. if (do_normal) gui_init_font(arg, TRUE); # if defined(FEAT_GUI_MOTIF) && defined(FEAT_MENU) if (do_menu) { # ifdef FONTSET_ALWAYS gui.menu_fontset = HL_TABLE()[idx].sg_fontset; # else // YIKES! This is a bug waiting to crash the program gui.menu_font = HL_TABLE()[idx].sg_fontset; # endif gui_mch_new_menu_font(); } # ifdef FEAT_BEVAL_GUI if (do_tooltip) { // The Athena widget set could not handle switching between // displaying a single font and a fontset. // If the XtNinternational resource is set to True at widget // creation, then a fontset is always used, otherwise an // XFontStruct is used. gui.tooltip_fontset = (XFontSet)HL_TABLE()[idx].sg_fontset; gui_mch_new_tooltip_font(); } # endif # endif } else # endif { if (free_font) gui_mch_free_font(HL_TABLE()[idx].sg_font); HL_TABLE()[idx].sg_font = font_name2handle(arg); // If it worked and it's the Normal group, use it as the // normal font. Same for the Menu group. if (HL_TABLE()[idx].sg_font != NOFONT) { if (do_normal) gui_init_font(arg, FALSE); #ifndef FONTSET_ALWAYS # if defined(FEAT_GUI_MOTIF) && defined(FEAT_MENU) if (do_menu) { gui.menu_font = HL_TABLE()[idx].sg_font; gui_mch_new_menu_font(); } # endif #endif } } } #endif // FEAT_GUI #if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) || defined(PROTO) /* * Return the handle for a color name. * Returns INVALCOLOR when failed. */ guicolor_T color_name2handle(char_u *name) { if (STRCMP(name, "NONE") == 0) return INVALCOLOR; if (STRICMP(name, "fg") == 0 || STRICMP(name, "foreground") == 0) { #if defined(FEAT_TERMGUICOLORS) && defined(FEAT_GUI) if (gui.in_use) #endif #ifdef FEAT_GUI return gui.norm_pixel; #endif #ifdef FEAT_TERMGUICOLORS if (cterm_normal_fg_gui_color != INVALCOLOR) return cterm_normal_fg_gui_color; // Guess that the foreground is black or white. return GUI_GET_COLOR((char_u *)(*p_bg == 'l' ? "black" : "white")); #endif } if (STRICMP(name, "bg") == 0 || STRICMP(name, "background") == 0) { #if defined(FEAT_TERMGUICOLORS) && defined(FEAT_GUI) if (gui.in_use) #endif #ifdef FEAT_GUI return gui.back_pixel; #endif #ifdef FEAT_TERMGUICOLORS if (cterm_normal_bg_gui_color != INVALCOLOR) return cterm_normal_bg_gui_color; // Guess that the background is white or black. return GUI_GET_COLOR((char_u *)(*p_bg == 'l' ? "white" : "black")); #endif } return GUI_GET_COLOR(name); } // On MS-Windows an RGB macro is available and it produces 0x00bbggrr color // values as used by the MS-Windows GDI api. It should be used only for // MS-Windows GDI builds. # if defined(RGB) && defined(MSWIN) && !defined(FEAT_GUI) # undef RGB # endif # ifndef RGB # define RGB(r, g, b) (((r)<<16) | ((g)<<8) | (b)) # endif # ifdef VIMDLL static guicolor_T gui_adjust_rgb(guicolor_T c) { if (gui.in_use) return c; else return ((c & 0xff) << 16) | (c & 0x00ff00) | ((c >> 16) & 0xff); } # else # define gui_adjust_rgb(c) (c) # endif static int hex_digit(int c) { if (isdigit(c)) return c - '0'; c = TOLOWER_ASC(c); if (c >= 'a' && c <= 'f') return c - 'a' + 10; return 0x1ffffff; } static guicolor_T decode_hex_color(char_u *hex) { guicolor_T color; if (hex[0] != '#' || STRLEN(hex) != 7) return INVALCOLOR; // Name is in "#rrggbb" format color = RGB(((hex_digit(hex[1]) << 4) + hex_digit(hex[2])), ((hex_digit(hex[3]) << 4) + hex_digit(hex[4])), ((hex_digit(hex[5]) << 4) + hex_digit(hex[6]))); if (color > 0xffffff) return INVALCOLOR; return gui_adjust_rgb(color); } #ifdef FEAT_EVAL // Returns the color currently mapped to the given name or INVALCOLOR if no // such name exists in the color table. The convention is to use lowercase for // all keys in the v:colornames dictionary. The value can be either a string in // the form #rrggbb or a number, either of which is converted to a guicolor_T. static guicolor_T colorname2rgb(char_u *name) { dict_T *colornames_table = get_vim_var_dict(VV_COLORNAMES); char_u *lc_name; dictitem_T *colentry; char_u *colstr; varnumber_T colnum; lc_name = strlow_save(name); if (lc_name == NULL) return INVALCOLOR; colentry = dict_find(colornames_table, lc_name, -1); vim_free(lc_name); if (colentry == NULL) return INVALCOLOR; if (colentry->di_tv.v_type == VAR_STRING) { colstr = tv_get_string_strict(&colentry->di_tv); if ((STRLEN(colstr) == 7) && (*colstr == '#')) { return decode_hex_color(colstr); } else { semsg(_(e_bad_color_string_str), colstr); return INVALCOLOR; } } if (colentry->di_tv.v_type == VAR_NUMBER) { colnum = tv_get_number(&colentry->di_tv); return (guicolor_T)colnum; } return INVALCOLOR; } #endif guicolor_T gui_get_color_cmn(char_u *name) { int i; guicolor_T color; struct rgbcolor_table_S { char_u *color_name; guicolor_T color; }; // Only non X11 colors (not present in rgb.txt) and colors in // color_names[], useful when $VIMRUNTIME is not found,. static struct rgbcolor_table_S rgb_table[] = { {(char_u *)"black", RGB(0x00, 0x00, 0x00)}, {(char_u *)"blue", RGB(0x00, 0x00, 0xFF)}, {(char_u *)"brown", RGB(0xA5, 0x2A, 0x2A)}, {(char_u *)"cyan", RGB(0x00, 0xFF, 0xFF)}, {(char_u *)"darkblue", RGB(0x00, 0x00, 0x8B)}, {(char_u *)"darkcyan", RGB(0x00, 0x8B, 0x8B)}, {(char_u *)"darkgray", RGB(0xA9, 0xA9, 0xA9)}, {(char_u *)"darkgreen", RGB(0x00, 0x64, 0x00)}, {(char_u *)"darkgrey", RGB(0xA9, 0xA9, 0xA9)}, {(char_u *)"darkmagenta", RGB(0x8B, 0x00, 0x8B)}, {(char_u *)"darkred", RGB(0x8B, 0x00, 0x00)}, {(char_u *)"darkyellow", RGB(0x8B, 0x8B, 0x00)}, // No X11 {(char_u *)"gray", RGB(0xBE, 0xBE, 0xBE)}, {(char_u *)"green", RGB(0x00, 0xFF, 0x00)}, {(char_u *)"grey", RGB(0xBE, 0xBE, 0xBE)}, {(char_u *)"grey40", RGB(0x66, 0x66, 0x66)}, {(char_u *)"grey50", RGB(0x7F, 0x7F, 0x7F)}, {(char_u *)"grey90", RGB(0xE5, 0xE5, 0xE5)}, {(char_u *)"lightblue", RGB(0xAD, 0xD8, 0xE6)}, {(char_u *)"lightcyan", RGB(0xE0, 0xFF, 0xFF)}, {(char_u *)"lightgray", RGB(0xD3, 0xD3, 0xD3)}, {(char_u *)"lightgreen", RGB(0x90, 0xEE, 0x90)}, {(char_u *)"lightgrey", RGB(0xD3, 0xD3, 0xD3)}, {(char_u *)"lightmagenta", RGB(0xFF, 0x8B, 0xFF)}, // No X11 {(char_u *)"lightred", RGB(0xFF, 0x8B, 0x8B)}, // No X11 {(char_u *)"lightyellow", RGB(0xFF, 0xFF, 0xE0)}, {(char_u *)"magenta", RGB(0xFF, 0x00, 0xFF)}, {(char_u *)"red", RGB(0xFF, 0x00, 0x00)}, {(char_u *)"seagreen", RGB(0x2E, 0x8B, 0x57)}, {(char_u *)"white", RGB(0xFF, 0xFF, 0xFF)}, {(char_u *)"yellow", RGB(0xFF, 0xFF, 0x00)}, }; color = decode_hex_color(name); if (color != INVALCOLOR) return color; // Check if the name is one of the colors we know for (i = 0; i < (int)ARRAY_LENGTH(rgb_table); i++) if (STRICMP(name, rgb_table[i].color_name) == 0) return gui_adjust_rgb(rgb_table[i].color); #if defined(FEAT_EVAL) /* * Not a traditional color. Load additional color aliases and then consult the alias table. */ color = colorname2rgb(name); if (color == INVALCOLOR) { load_default_colors_lists(); color = colorname2rgb(name); } return color; #else return INVALCOLOR; #endif } guicolor_T gui_get_rgb_color_cmn(int r, int g, int b) { guicolor_T color = RGB(r, g, b); if (color > 0xffffff) return INVALCOLOR; return gui_adjust_rgb(color); } #endif /* * Table with the specifications for an attribute number. * Note that this table is used by ALL buffers. This is required because the * GUI can redraw at any time for any buffer. */ static garray_T term_attr_table = {0, 0, 0, 0, NULL}; #define TERM_ATTR_ENTRY(idx) ((attrentry_T *)term_attr_table.ga_data)[idx] static garray_T cterm_attr_table = {0, 0, 0, 0, NULL}; #define CTERM_ATTR_ENTRY(idx) ((attrentry_T *)cterm_attr_table.ga_data)[idx] #ifdef FEAT_GUI static garray_T gui_attr_table = {0, 0, 0, 0, NULL}; #define GUI_ATTR_ENTRY(idx) ((attrentry_T *)gui_attr_table.ga_data)[idx] #endif /* * Return the attr number for a set of colors and font. * Add a new entry to the term_attr_table, cterm_attr_table or gui_attr_table * if the combination is new. * Return 0 for error (no more room). */ static int get_attr_entry(garray_T *table, attrentry_T *aep) { int i; attrentry_T *taep; static int recursive = FALSE; // Init the table, in case it wasn't done yet. table->ga_itemsize = sizeof(attrentry_T); table->ga_growsize = 7; // Try to find an entry with the same specifications. for (i = 0; i < table->ga_len; ++i) { taep = &(((attrentry_T *)table->ga_data)[i]); if ( aep->ae_attr == taep->ae_attr && ( #ifdef FEAT_GUI (table == &gui_attr_table && (aep->ae_u.gui.fg_color == taep->ae_u.gui.fg_color && aep->ae_u.gui.bg_color == taep->ae_u.gui.bg_color && aep->ae_u.gui.sp_color == taep->ae_u.gui.sp_color && aep->ae_u.gui.font == taep->ae_u.gui.font # ifdef FEAT_XFONTSET && aep->ae_u.gui.fontset == taep->ae_u.gui.fontset # endif )) || #endif (table == &term_attr_table && (aep->ae_u.term.start == NULL) == (taep->ae_u.term.start == NULL) && (aep->ae_u.term.start == NULL || STRCMP(aep->ae_u.term.start, taep->ae_u.term.start) == 0) && (aep->ae_u.term.stop == NULL) == (taep->ae_u.term.stop == NULL) && (aep->ae_u.term.stop == NULL || STRCMP(aep->ae_u.term.stop, taep->ae_u.term.stop) == 0)) || (table == &cterm_attr_table && aep->ae_u.cterm.fg_color == taep->ae_u.cterm.fg_color && aep->ae_u.cterm.bg_color == taep->ae_u.cterm.bg_color && aep->ae_u.cterm.ul_color == taep->ae_u.cterm.ul_color #ifdef FEAT_TERMGUICOLORS && aep->ae_u.cterm.fg_rgb == taep->ae_u.cterm.fg_rgb && aep->ae_u.cterm.bg_rgb == taep->ae_u.cterm.bg_rgb && aep->ae_u.cterm.ul_rgb == taep->ae_u.cterm.ul_rgb #endif ))) return i + ATTR_OFF; } if (table->ga_len + ATTR_OFF > MAX_TYPENR) { // Running out of attribute entries! remove all attributes, and // compute new ones for all groups. // When called recursively, we are really out of numbers. if (recursive) { emsg(_(e_too_many_different_highlighting_attributes_in_use)); return 0; } recursive = TRUE; clear_hl_tables(); must_redraw = UPD_CLEAR; for (i = 0; i < highlight_ga.ga_len; ++i) set_hl_attr(i); recursive = FALSE; } // This is a new combination of colors and font, add an entry. if (ga_grow(table, 1) == FAIL) return 0; taep = &(((attrentry_T *)table->ga_data)[table->ga_len]); CLEAR_POINTER(taep); taep->ae_attr = aep->ae_attr; #ifdef FEAT_GUI if (table == &gui_attr_table) { taep->ae_u.gui.fg_color = aep->ae_u.gui.fg_color; taep->ae_u.gui.bg_color = aep->ae_u.gui.bg_color; taep->ae_u.gui.sp_color = aep->ae_u.gui.sp_color; taep->ae_u.gui.font = aep->ae_u.gui.font; # ifdef FEAT_XFONTSET taep->ae_u.gui.fontset = aep->ae_u.gui.fontset; # endif } #endif if (table == &term_attr_table) { if (aep->ae_u.term.start == NULL) taep->ae_u.term.start = NULL; else taep->ae_u.term.start = vim_strsave(aep->ae_u.term.start); if (aep->ae_u.term.stop == NULL) taep->ae_u.term.stop = NULL; else taep->ae_u.term.stop = vim_strsave(aep->ae_u.term.stop); } else if (table == &cterm_attr_table) { taep->ae_u.cterm.fg_color = aep->ae_u.cterm.fg_color; taep->ae_u.cterm.bg_color = aep->ae_u.cterm.bg_color; taep->ae_u.cterm.ul_color = aep->ae_u.cterm.ul_color; #ifdef FEAT_TERMGUICOLORS taep->ae_u.cterm.fg_rgb = aep->ae_u.cterm.fg_rgb; taep->ae_u.cterm.bg_rgb = aep->ae_u.cterm.bg_rgb; taep->ae_u.cterm.ul_rgb = aep->ae_u.cterm.ul_rgb; #endif } ++table->ga_len; return (table->ga_len - 1 + ATTR_OFF); } #if defined(FEAT_TERMINAL) || defined(PROTO) /* * Get an attribute index for a cterm entry. * Uses an existing entry when possible or adds one when needed. */ int get_cterm_attr_idx(int attr, int fg, int bg) { attrentry_T at_en; CLEAR_FIELD(at_en); #ifdef FEAT_TERMGUICOLORS at_en.ae_u.cterm.fg_rgb = INVALCOLOR; at_en.ae_u.cterm.bg_rgb = INVALCOLOR; at_en.ae_u.cterm.ul_rgb = INVALCOLOR; #endif at_en.ae_attr = attr; at_en.ae_u.cterm.fg_color = fg; at_en.ae_u.cterm.bg_color = bg; at_en.ae_u.cterm.ul_color = 0; return get_attr_entry(&cterm_attr_table, &at_en); } #endif #if (defined(FEAT_TERMINAL) && defined(FEAT_TERMGUICOLORS)) || defined(PROTO) /* * Get an attribute index for a 'termguicolors' entry. * Uses an existing entry when possible or adds one when needed. */ int get_tgc_attr_idx(int attr, guicolor_T fg, guicolor_T bg) { attrentry_T at_en; CLEAR_FIELD(at_en); at_en.ae_attr = attr; if (fg == INVALCOLOR && bg == INVALCOLOR) { // If both GUI colors are not set fall back to the cterm colors. Helps // if the GUI only has an attribute, such as undercurl. at_en.ae_u.cterm.fg_rgb = CTERMCOLOR; at_en.ae_u.cterm.bg_rgb = CTERMCOLOR; } else { at_en.ae_u.cterm.fg_rgb = fg; at_en.ae_u.cterm.bg_rgb = bg; } at_en.ae_u.cterm.ul_rgb = INVALCOLOR; return get_attr_entry(&cterm_attr_table, &at_en); } #endif #if (defined(FEAT_TERMINAL) && defined(FEAT_GUI)) || defined(PROTO) /* * Get an attribute index for a cterm entry. * Uses an existing entry when possible or adds one when needed. */ int get_gui_attr_idx(int attr, guicolor_T fg, guicolor_T bg) { attrentry_T at_en; CLEAR_FIELD(at_en); at_en.ae_attr = attr; at_en.ae_u.gui.fg_color = fg; at_en.ae_u.gui.bg_color = bg; return get_attr_entry(&gui_attr_table, &at_en); } #endif /* * Clear all highlight tables. */ void clear_hl_tables(void) { int i; attrentry_T *taep; #ifdef FEAT_GUI ga_clear(&gui_attr_table); #endif for (i = 0; i < term_attr_table.ga_len; ++i) { taep = &(((attrentry_T *)term_attr_table.ga_data)[i]); vim_free(taep->ae_u.term.start); vim_free(taep->ae_u.term.stop); } ga_clear(&term_attr_table); ga_clear(&cterm_attr_table); } /* * Combine special attributes (e.g., for spelling) with other attributes * (e.g., for syntax highlighting). * "prim_attr" overrules "char_attr". * This creates a new group when required. * Since we expect there to be few spelling mistakes we don't cache the * result. * Return the resulting attributes. */ int hl_combine_attr(int char_attr, int prim_attr) { attrentry_T *char_aep = NULL; attrentry_T *prim_aep; attrentry_T new_en; if (char_attr == 0) return prim_attr; if (char_attr <= HL_ALL && prim_attr <= HL_ALL) return ATTR_COMBINE(char_attr, prim_attr); #ifdef FEAT_GUI if (gui.in_use) { if (char_attr > HL_ALL) char_aep = syn_gui_attr2entry(char_attr); if (char_aep != NULL) new_en = *char_aep; else { CLEAR_FIELD(new_en); new_en.ae_u.gui.fg_color = INVALCOLOR; new_en.ae_u.gui.bg_color = INVALCOLOR; new_en.ae_u.gui.sp_color = INVALCOLOR; if (char_attr <= HL_ALL) new_en.ae_attr = char_attr; } if (prim_attr <= HL_ALL) new_en.ae_attr = ATTR_COMBINE(new_en.ae_attr, prim_attr); else { prim_aep = syn_gui_attr2entry(prim_attr); if (prim_aep != NULL) { new_en.ae_attr = ATTR_COMBINE(new_en.ae_attr, prim_aep->ae_attr); if (prim_aep->ae_u.gui.fg_color != INVALCOLOR) new_en.ae_u.gui.fg_color = prim_aep->ae_u.gui.fg_color; if (prim_aep->ae_u.gui.bg_color != INVALCOLOR) new_en.ae_u.gui.bg_color = prim_aep->ae_u.gui.bg_color; if (prim_aep->ae_u.gui.sp_color != INVALCOLOR) new_en.ae_u.gui.sp_color = prim_aep->ae_u.gui.sp_color; if (prim_aep->ae_u.gui.font != NOFONT) new_en.ae_u.gui.font = prim_aep->ae_u.gui.font; # ifdef FEAT_XFONTSET if (prim_aep->ae_u.gui.fontset != NOFONTSET) new_en.ae_u.gui.fontset = prim_aep->ae_u.gui.fontset; # endif } } return get_attr_entry(&gui_attr_table, &new_en); } #endif if (IS_CTERM) { if (char_attr > HL_ALL) char_aep = syn_cterm_attr2entry(char_attr); if (char_aep != NULL) new_en = *char_aep; else { CLEAR_FIELD(new_en); #ifdef FEAT_TERMGUICOLORS new_en.ae_u.cterm.bg_rgb = INVALCOLOR; new_en.ae_u.cterm.fg_rgb = INVALCOLOR; new_en.ae_u.cterm.ul_rgb = INVALCOLOR; #endif if (char_attr <= HL_ALL) new_en.ae_attr = char_attr; } if (prim_attr <= HL_ALL) new_en.ae_attr = ATTR_COMBINE(new_en.ae_attr, prim_attr); else { prim_aep = syn_cterm_attr2entry(prim_attr); if (prim_aep != NULL) { new_en.ae_attr = ATTR_COMBINE(new_en.ae_attr, prim_aep->ae_attr); if (prim_aep->ae_u.cterm.fg_color > 0) new_en.ae_u.cterm.fg_color = prim_aep->ae_u.cterm.fg_color; if (prim_aep->ae_u.cterm.bg_color > 0) new_en.ae_u.cterm.bg_color = prim_aep->ae_u.cterm.bg_color; if (prim_aep->ae_u.cterm.ul_color > 0) new_en.ae_u.cterm.ul_color = prim_aep->ae_u.cterm.ul_color; #ifdef FEAT_TERMGUICOLORS // If both fg and bg are not set fall back to cterm colors. // Helps for SpellBad which uses undercurl in the GUI. if (COLOR_INVALID(prim_aep->ae_u.cterm.fg_rgb) && COLOR_INVALID(prim_aep->ae_u.cterm.bg_rgb)) { if (prim_aep->ae_u.cterm.fg_color > 0) new_en.ae_u.cterm.fg_rgb = CTERMCOLOR; if (prim_aep->ae_u.cterm.bg_color > 0) new_en.ae_u.cterm.bg_rgb = CTERMCOLOR; } else { if (prim_aep->ae_u.cterm.fg_rgb != INVALCOLOR) new_en.ae_u.cterm.fg_rgb = prim_aep->ae_u.cterm.fg_rgb; if (prim_aep->ae_u.cterm.bg_rgb != INVALCOLOR) new_en.ae_u.cterm.bg_rgb = prim_aep->ae_u.cterm.bg_rgb; } if (prim_aep->ae_u.cterm.ul_rgb != INVALCOLOR) new_en.ae_u.cterm.ul_rgb = prim_aep->ae_u.cterm.ul_rgb; #endif } } return get_attr_entry(&cterm_attr_table, &new_en); } if (char_attr > HL_ALL) char_aep = syn_term_attr2entry(char_attr); if (char_aep != NULL) new_en = *char_aep; else { CLEAR_FIELD(new_en); if (char_attr <= HL_ALL) new_en.ae_attr = char_attr; } if (prim_attr <= HL_ALL) new_en.ae_attr = ATTR_COMBINE(new_en.ae_attr, prim_attr); else { prim_aep = syn_term_attr2entry(prim_attr); if (prim_aep != NULL) { new_en.ae_attr = ATTR_COMBINE(new_en.ae_attr, prim_aep->ae_attr); if (prim_aep->ae_u.term.start != NULL) { new_en.ae_u.term.start = prim_aep->ae_u.term.start; new_en.ae_u.term.stop = prim_aep->ae_u.term.stop; } } } return get_attr_entry(&term_attr_table, &new_en); } #ifdef FEAT_GUI attrentry_T * syn_gui_attr2entry(int attr) { attr -= ATTR_OFF; if (attr >= gui_attr_table.ga_len) // did ":syntax clear" return NULL; return &(GUI_ATTR_ENTRY(attr)); } #endif /* * Get the highlight attributes (HL_BOLD etc.) from an attribute nr. * Only to be used when "attr" > HL_ALL. */ int syn_attr2attr(int attr) { attrentry_T *aep; #ifdef FEAT_GUI if (gui.in_use) aep = syn_gui_attr2entry(attr); else #endif if (IS_CTERM) aep = syn_cterm_attr2entry(attr); else aep = syn_term_attr2entry(attr); if (aep == NULL) // highlighting not set return 0; return aep->ae_attr; } attrentry_T * syn_term_attr2entry(int attr) { attr -= ATTR_OFF; if (attr >= term_attr_table.ga_len) // did ":syntax clear" return NULL; return &(TERM_ATTR_ENTRY(attr)); } attrentry_T * syn_cterm_attr2entry(int attr) { attr -= ATTR_OFF; if (attr >= cterm_attr_table.ga_len) // did ":syntax clear" return NULL; return &(CTERM_ATTR_ENTRY(attr)); } #define LIST_ATTR 1 #define LIST_STRING 2 #define LIST_INT 3 static void highlight_list_one(int id) { hl_group_T *sgp; int didh = FALSE; sgp = &HL_TABLE()[id - 1]; // index is ID minus one if (message_filtered(sgp->sg_name)) return; didh = highlight_list_arg(id, didh, LIST_ATTR, sgp->sg_term, NULL, "term"); didh = highlight_list_arg(id, didh, LIST_STRING, 0, sgp->sg_start, "start"); didh = highlight_list_arg(id, didh, LIST_STRING, 0, sgp->sg_stop, "stop"); didh = highlight_list_arg(id, didh, LIST_ATTR, sgp->sg_cterm, NULL, "cterm"); didh = highlight_list_arg(id, didh, LIST_INT, sgp->sg_cterm_fg, NULL, "ctermfg"); didh = highlight_list_arg(id, didh, LIST_INT, sgp->sg_cterm_bg, NULL, "ctermbg"); didh = highlight_list_arg(id, didh, LIST_INT, sgp->sg_cterm_ul, NULL, "ctermul"); #if defined(FEAT_GUI) || defined(FEAT_EVAL) didh = highlight_list_arg(id, didh, LIST_ATTR, sgp->sg_gui, NULL, "gui"); didh = highlight_list_arg(id, didh, LIST_STRING, 0, sgp->sg_gui_fg_name, "guifg"); didh = highlight_list_arg(id, didh, LIST_STRING, 0, sgp->sg_gui_bg_name, "guibg"); didh = highlight_list_arg(id, didh, LIST_STRING, 0, sgp->sg_gui_sp_name, "guisp"); #endif #ifdef FEAT_GUI didh = highlight_list_arg(id, didh, LIST_STRING, 0, sgp->sg_font_name, "font"); #endif if (sgp->sg_link && !got_int) { (void)syn_list_header(didh, 9999, id); didh = TRUE; msg_puts_attr("links to", HL_ATTR(HLF_D)); msg_putchar(' '); msg_outtrans(HL_TABLE()[HL_TABLE()[id - 1].sg_link - 1].sg_name); } if (!didh) highlight_list_arg(id, didh, LIST_STRING, 0, (char_u *)"cleared", ""); #ifdef FEAT_EVAL if (p_verbose > 0) last_set_msg(sgp->sg_script_ctx); #endif } static int highlight_list_arg( int id, int didh, int type, int iarg, char_u *sarg, char *name) { char_u buf[MAX_ATTR_LEN]; char_u *ts; int i; if (got_int) return FALSE; if (type == LIST_STRING ? (sarg != NULL) : (iarg != 0)) { ts = buf; if (type == LIST_INT) sprintf((char *)buf, "%d", iarg - 1); else if (type == LIST_STRING) ts = sarg; else // type == LIST_ATTR { buf[0] = NUL; for (i = 0; hl_attr_table[i] != 0; ++i) { if (iarg & hl_attr_table[i]) { if (buf[0] != NUL) vim_strcat(buf, (char_u *)",", MAX_ATTR_LEN); vim_strcat(buf, (char_u *)hl_name_table[i], MAX_ATTR_LEN); iarg &= ~hl_attr_table[i]; // don't want "inverse" } } } (void)syn_list_header(didh, (int)(vim_strsize(ts) + STRLEN(name) + 1), id); didh = TRUE; if (!got_int) { if (*name != NUL) { msg_puts_attr(name, HL_ATTR(HLF_D)); msg_puts_attr("=", HL_ATTR(HLF_D)); } msg_outtrans(ts); } } return didh; } #if (((defined(FEAT_EVAL) || defined(FEAT_PRINTER))) && defined(FEAT_SYN_HL)) || defined(PROTO) /* * Return "1" if highlight group "id" has attribute "flag". * Return NULL otherwise. */ char_u * highlight_has_attr( int id, int flag, int modec) // 'g' for GUI, 'c' for cterm, 't' for term { int attr; if (id <= 0 || id > highlight_ga.ga_len) return NULL; #if defined(FEAT_GUI) || defined(FEAT_EVAL) if (modec == 'g') attr = HL_TABLE()[id - 1].sg_gui; else #endif { if (modec == 'c') attr = HL_TABLE()[id - 1].sg_cterm; else attr = HL_TABLE()[id - 1].sg_term; } if (attr & flag) return (char_u *)"1"; return NULL; } #endif #if (defined(FEAT_SYN_HL) && defined(FEAT_EVAL)) || defined(PROTO) /* * Return color name of highlight group "id". */ char_u * highlight_color( int id, char_u *what, // "font", "fg", "bg", "sp", "ul", "fg#", "bg#" or "sp#" int modec) // 'g' for GUI, 'c' for cterm, 't' for term { static char_u name[20]; int n; int fg = FALSE; int sp = FALSE; int ul = FALSE; int font = FALSE; if (id <= 0 || id > highlight_ga.ga_len) return NULL; if (TOLOWER_ASC(what[0]) == 'f' && TOLOWER_ASC(what[1]) == 'g') fg = TRUE; else if (TOLOWER_ASC(what[0]) == 'f' && TOLOWER_ASC(what[1]) == 'o' && TOLOWER_ASC(what[2]) == 'n' && TOLOWER_ASC(what[3]) == 't') font = TRUE; else if (TOLOWER_ASC(what[0]) == 's' && TOLOWER_ASC(what[1]) == 'p') sp = TRUE; else if (TOLOWER_ASC(what[0]) == 'u' && TOLOWER_ASC(what[1]) == 'l') ul = TRUE; else if (!(TOLOWER_ASC(what[0]) == 'b' && TOLOWER_ASC(what[1]) == 'g')) return NULL; if (modec == 'g') { # if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) # ifdef FEAT_GUI // return font name if (font) return HL_TABLE()[id - 1].sg_font_name; # endif // return #RRGGBB form (only possible when GUI is running) if ((USE_24BIT) && what[2] == '#') { guicolor_T color; long_u rgb; static char_u buf[10]; if (fg) color = HL_TABLE()[id - 1].sg_gui_fg; else if (sp) color = HL_TABLE()[id - 1].sg_gui_sp; else color = HL_TABLE()[id - 1].sg_gui_bg; if (color == INVALCOLOR) return NULL; rgb = (long_u)GUI_MCH_GET_RGB(color); sprintf((char *)buf, "#%02x%02x%02x", (unsigned)(rgb >> 16), (unsigned)(rgb >> 8) & 255, (unsigned)rgb & 255); return buf; } # endif if (fg) return (HL_TABLE()[id - 1].sg_gui_fg_name); if (sp) return (HL_TABLE()[id - 1].sg_gui_sp_name); return (HL_TABLE()[id - 1].sg_gui_bg_name); } if (font || sp) return NULL; if (modec == 'c') { if (fg) n = HL_TABLE()[id - 1].sg_cterm_fg - 1; else if (ul) n = HL_TABLE()[id - 1].sg_cterm_ul - 1; else n = HL_TABLE()[id - 1].sg_cterm_bg - 1; if (n < 0) return NULL; sprintf((char *)name, "%d", n); return name; } // term doesn't have color return NULL; } #endif #if (defined(FEAT_SYN_HL) \ && (defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS)) \ && defined(FEAT_PRINTER)) || defined(PROTO) /* * Return color name of highlight group "id" as RGB value. */ long_u highlight_gui_color_rgb( int id, int fg) // TRUE = fg, FALSE = bg { guicolor_T color; if (id <= 0 || id > highlight_ga.ga_len) return 0L; if (fg) color = HL_TABLE()[id - 1].sg_gui_fg; else color = HL_TABLE()[id - 1].sg_gui_bg; if (color == INVALCOLOR) return 0L; return GUI_MCH_GET_RGB(color); } #endif /* * Output the syntax list header. * Return TRUE when started a new line. */ int syn_list_header( int did_header, // did header already int outlen, // length of string that comes int id) // highlight group id { int endcol = 19; int newline = TRUE; int name_col = 0; if (!did_header) { msg_putchar('\n'); if (got_int) return TRUE; msg_outtrans(HL_TABLE()[id - 1].sg_name); name_col = msg_col; endcol = 15; } else if (msg_col + outlen + 1 >= Columns) { msg_putchar('\n'); if (got_int) return TRUE; } else { if (msg_col >= endcol) // wrap around is like starting a new line newline = FALSE; } if (msg_col >= endcol) // output at least one space endcol = msg_col + 1; if (Columns <= endcol) // avoid hang for tiny window endcol = Columns - 1; msg_advance(endcol); // Show "xxx" with the attributes. if (!did_header) { if (endcol == Columns - 1 && endcol <= name_col) msg_putchar(' '); msg_puts_attr("xxx", syn_id2attr(id)); msg_putchar(' '); } return newline; } /* * Set the attribute numbers for a highlight group. * Called after one of the attributes has changed. */ static void set_hl_attr( int idx) // index in array { attrentry_T at_en; hl_group_T *sgp = HL_TABLE() + idx; // The "Normal" group doesn't need an attribute number if (sgp->sg_name_u != NULL && STRCMP(sgp->sg_name_u, "NORMAL") == 0) return; #ifdef FEAT_GUI // For the GUI mode: If there are other than "normal" highlighting // attributes, need to allocate an attr number. if (sgp->sg_gui_fg == INVALCOLOR && sgp->sg_gui_bg == INVALCOLOR && sgp->sg_gui_sp == INVALCOLOR && sgp->sg_font == NOFONT # ifdef FEAT_XFONTSET && sgp->sg_fontset == NOFONTSET # endif ) { sgp->sg_gui_attr = sgp->sg_gui; } else { at_en.ae_attr = sgp->sg_gui; at_en.ae_u.gui.fg_color = sgp->sg_gui_fg; at_en.ae_u.gui.bg_color = sgp->sg_gui_bg; at_en.ae_u.gui.sp_color = sgp->sg_gui_sp; at_en.ae_u.gui.font = sgp->sg_font; # ifdef FEAT_XFONTSET at_en.ae_u.gui.fontset = sgp->sg_fontset; # endif sgp->sg_gui_attr = get_attr_entry(&gui_attr_table, &at_en); } #endif // For the term mode: If there are other than "normal" highlighting // attributes, need to allocate an attr number. if (sgp->sg_start == NULL && sgp->sg_stop == NULL) sgp->sg_term_attr = sgp->sg_term; else { at_en.ae_attr = sgp->sg_term; at_en.ae_u.term.start = sgp->sg_start; at_en.ae_u.term.stop = sgp->sg_stop; sgp->sg_term_attr = get_attr_entry(&term_attr_table, &at_en); } // For the color term mode: If there are other than "normal" // highlighting attributes, need to allocate an attr number. if (sgp->sg_cterm_fg == 0 && sgp->sg_cterm_bg == 0 && sgp->sg_cterm_ul == 0 # ifdef FEAT_TERMGUICOLORS && sgp->sg_gui_fg == INVALCOLOR && sgp->sg_gui_bg == INVALCOLOR && sgp->sg_gui_sp == INVALCOLOR # endif ) sgp->sg_cterm_attr = sgp->sg_cterm; else { at_en.ae_attr = sgp->sg_cterm; at_en.ae_u.cterm.fg_color = sgp->sg_cterm_fg; at_en.ae_u.cterm.bg_color = sgp->sg_cterm_bg; at_en.ae_u.cterm.ul_color = sgp->sg_cterm_ul; # ifdef FEAT_TERMGUICOLORS at_en.ae_u.cterm.fg_rgb = GUI_MCH_GET_RGB2(sgp->sg_gui_fg); at_en.ae_u.cterm.bg_rgb = GUI_MCH_GET_RGB2(sgp->sg_gui_bg); // Only use the underline/undercurl color when used, it may clear the // background color if not supported. if (sgp->sg_cterm & (HL_UNDERLINE | HL_UNDERCURL | HL_UNDERDOUBLE | HL_UNDERDOTTED | HL_UNDERDASHED)) at_en.ae_u.cterm.ul_rgb = GUI_MCH_GET_RGB2(sgp->sg_gui_sp); else at_en.ae_u.cterm.ul_rgb = INVALCOLOR; if (at_en.ae_u.cterm.fg_rgb == INVALCOLOR && at_en.ae_u.cterm.bg_rgb == INVALCOLOR) { // If both fg and bg are invalid fall back to the cterm colors. // Helps when the GUI only uses an attribute, e.g. undercurl. at_en.ae_u.cterm.fg_rgb = CTERMCOLOR; at_en.ae_u.cterm.bg_rgb = CTERMCOLOR; } # endif sgp->sg_cterm_attr = get_attr_entry(&cterm_attr_table, &at_en); } } /* * Lookup a highlight group name and return its ID. * If it is not found, 0 is returned. */ int syn_name2id(char_u *name) { int i; char_u name_u[MAX_SYN_NAME + 1]; // Avoid using stricmp() too much, it's slow on some systems // Avoid alloc()/free(), these are slow too. ID names over 200 chars // don't deserve to be found! vim_strncpy(name_u, name, MAX_SYN_NAME); vim_strup(name_u); for (i = highlight_ga.ga_len; --i >= 0; ) if (HL_TABLE()[i].sg_name_u != NULL && STRCMP(name_u, HL_TABLE()[i].sg_name_u) == 0) break; return i + 1; } /* * Lookup a highlight group name and return its attributes. * Return zero if not found. */ int syn_name2attr(char_u *name) { int id = syn_name2id(name); if (id != 0) return syn_id2attr(id); return 0; } #if defined(FEAT_EVAL) || defined(PROTO) /* * Return TRUE if highlight group "name" exists. */ int highlight_exists(char_u *name) { return (syn_name2id(name) > 0); } # if defined(FEAT_SEARCH_EXTRA) || defined(PROTO) /* * Return the name of highlight group "id". * When not a valid ID return an empty string. */ char_u * syn_id2name(int id) { if (id <= 0 || id > highlight_ga.ga_len) return (char_u *)""; return HL_TABLE()[id - 1].sg_name; } # endif #endif /* * Like syn_name2id(), but take a pointer + length argument. */ int syn_namen2id(char_u *linep, int len) { char_u *name; int id = 0; name = vim_strnsave(linep, len); if (name != NULL) { id = syn_name2id(name); vim_free(name); } return id; } /* * Find highlight group name in the table and return its ID. * The argument is a pointer to the name and the length of the name. * If it doesn't exist yet, a new entry is created. * Return 0 for failure. */ int syn_check_group(char_u *pp, int len) { int id; char_u *name; if (len > MAX_SYN_NAME) { emsg(_(e_highlight_group_name_too_long)); return 0; } name = vim_strnsave(pp, len); if (name == NULL) return 0; id = syn_name2id(name); if (id == 0) // doesn't exist yet id = syn_add_group(name); else vim_free(name); return id; } /* * Add new highlight group and return its ID. * "name" must be an allocated string, it will be consumed. * Return 0 for failure. */ static int syn_add_group(char_u *name) { char_u *p; char_u *name_up; // Check that the name is ASCII letters, digits and underscore. for (p = name; *p != NUL; ++p) { if (!vim_isprintc(*p)) { emsg(_(e_unprintable_character_in_group_name)); vim_free(name); return 0; } else if (!ASCII_ISALNUM(*p) && *p != '_') { // This is an error, but since there previously was no check only // give a warning. msg_source(HL_ATTR(HLF_W)); msg(_("W18: Invalid character in group name")); break; } } // First call for this growarray: init growing array. if (highlight_ga.ga_data == NULL) { highlight_ga.ga_itemsize = sizeof(hl_group_T); highlight_ga.ga_growsize = 10; } if (highlight_ga.ga_len >= MAX_HL_ID) { emsg(_(e_too_many_highlight_and_syntax_groups)); vim_free(name); return 0; } // Make room for at least one other syntax_highlight entry. if (ga_grow(&highlight_ga, 1) == FAIL) { vim_free(name); return 0; } name_up = vim_strsave_up(name); if (name_up == NULL) { vim_free(name); return 0; } CLEAR_POINTER(&(HL_TABLE()[highlight_ga.ga_len])); HL_TABLE()[highlight_ga.ga_len].sg_name = name; HL_TABLE()[highlight_ga.ga_len].sg_name_u = name_up; #if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) HL_TABLE()[highlight_ga.ga_len].sg_gui_bg = INVALCOLOR; HL_TABLE()[highlight_ga.ga_len].sg_gui_fg = INVALCOLOR; HL_TABLE()[highlight_ga.ga_len].sg_gui_sp = INVALCOLOR; #endif ++highlight_ga.ga_len; return highlight_ga.ga_len; // ID is index plus one } /* * When, just after calling syn_add_group(), an error is discovered, this * function deletes the new name. */ static void syn_unadd_group(void) { --highlight_ga.ga_len; vim_free(HL_TABLE()[highlight_ga.ga_len].sg_name); vim_free(HL_TABLE()[highlight_ga.ga_len].sg_name_u); } /* * Translate a group ID to highlight attributes. * "hl_id" must be valid: > 0, caller must check. */ int syn_id2attr(int hl_id) { int attr; hl_group_T *sgp; hl_id = syn_get_final_id(hl_id); sgp = &HL_TABLE()[hl_id - 1]; // index is ID minus one #ifdef FEAT_GUI // Only use GUI attr when the GUI is being used. if (gui.in_use) attr = sgp->sg_gui_attr; else #endif if (IS_CTERM) attr = sgp->sg_cterm_attr; else attr = sgp->sg_term_attr; return attr; } #if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) || defined(PROTO) /* * Get the GUI colors and attributes for a group ID. * NOTE: the colors will be INVALCOLOR when not set, the color otherwise. */ int syn_id2colors(int hl_id, guicolor_T *fgp, guicolor_T *bgp) { hl_group_T *sgp; hl_id = syn_get_final_id(hl_id); sgp = &HL_TABLE()[hl_id - 1]; // index is ID minus one *fgp = sgp->sg_gui_fg; *bgp = sgp->sg_gui_bg; return sgp->sg_gui; } #endif #if (defined(MSWIN) \ && (!defined(FEAT_GUI_MSWIN) || defined(VIMDLL)) \ && defined(FEAT_TERMGUICOLORS)) \ || defined(FEAT_TERMINAL) || defined(PROTO) void syn_id2cterm_bg(int hl_id, int *fgp, int *bgp) { hl_group_T *sgp; hl_id = syn_get_final_id(hl_id); sgp = &HL_TABLE()[hl_id - 1]; // index is ID minus one *fgp = sgp->sg_cterm_fg - 1; *bgp = sgp->sg_cterm_bg - 1; } #endif /* * Translate a group ID to the final group ID (following links). */ int syn_get_final_id(int hl_id) { int count; hl_group_T *sgp; if (hl_id > highlight_ga.ga_len || hl_id < 1) return 0; // Can be called from eval!! // Follow links until there is no more. // Look out for loops! Break after 100 links. for (count = 100; --count >= 0; ) { sgp = &HL_TABLE()[hl_id - 1]; // index is ID minus one if (sgp->sg_link == 0 || sgp->sg_link > highlight_ga.ga_len) break; hl_id = sgp->sg_link; } return hl_id; } #if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) || defined(PROTO) /* * Call this function just after the GUI has started. * Also called when 'termguicolors' was set, gui.in_use will be FALSE then. * It finds the font and color handles for the highlighting groups. */ void highlight_gui_started(void) { int idx; // First get the colors from the "Normal" and "Menu" group, if set if (USE_24BIT) set_normal_colors(); for (idx = 0; idx < highlight_ga.ga_len; ++idx) gui_do_one_color(idx, FALSE, FALSE); highlight_changed(); } static void gui_do_one_color( int idx, int do_menu UNUSED, // TRUE: might set the menu font int do_tooltip UNUSED) // TRUE: might set the tooltip font { int didit = FALSE; # ifdef FEAT_GUI # ifdef FEAT_TERMGUICOLORS if (gui.in_use) # endif if (HL_TABLE()[idx].sg_font_name != NULL) { hl_do_font(idx, HL_TABLE()[idx].sg_font_name, FALSE, do_menu, do_tooltip, TRUE); didit = TRUE; } # endif if (HL_TABLE()[idx].sg_gui_fg_name != NULL) { HL_TABLE()[idx].sg_gui_fg = color_name2handle(HL_TABLE()[idx].sg_gui_fg_name); didit = TRUE; } if (HL_TABLE()[idx].sg_gui_bg_name != NULL) { HL_TABLE()[idx].sg_gui_bg = color_name2handle(HL_TABLE()[idx].sg_gui_bg_name); didit = TRUE; } if (HL_TABLE()[idx].sg_gui_sp_name != NULL) { HL_TABLE()[idx].sg_gui_sp = color_name2handle(HL_TABLE()[idx].sg_gui_sp_name); didit = TRUE; } if (didit) // need to get a new attr number set_hl_attr(idx); } #endif #if defined(USER_HIGHLIGHT) && defined(FEAT_STL_OPT) /* * Apply difference between User[1-9] and HLF_S to HLF_SNC, HLF_ST or HLF_STNC. */ static void combine_stl_hlt( int id, int id_S, int id_alt, int hlcnt, int i, int hlf, int *table) { hl_group_T *hlt = HL_TABLE(); if (id_alt == 0) { CLEAR_POINTER(&hlt[hlcnt + i]); hlt[hlcnt + i].sg_term = highlight_attr[hlf]; hlt[hlcnt + i].sg_cterm = highlight_attr[hlf]; # if defined(FEAT_GUI) || defined(FEAT_EVAL) hlt[hlcnt + i].sg_gui = highlight_attr[hlf]; # endif } else mch_memmove(&hlt[hlcnt + i], &hlt[id_alt - 1], sizeof(hl_group_T)); hlt[hlcnt + i].sg_link = 0; hlt[hlcnt + i].sg_term ^= hlt[id - 1].sg_term ^ hlt[id_S - 1].sg_term; if (hlt[id - 1].sg_start != hlt[id_S - 1].sg_start) hlt[hlcnt + i].sg_start = hlt[id - 1].sg_start; if (hlt[id - 1].sg_stop != hlt[id_S - 1].sg_stop) hlt[hlcnt + i].sg_stop = hlt[id - 1].sg_stop; hlt[hlcnt + i].sg_cterm ^= hlt[id - 1].sg_cterm ^ hlt[id_S - 1].sg_cterm; if (hlt[id - 1].sg_cterm_fg != hlt[id_S - 1].sg_cterm_fg) hlt[hlcnt + i].sg_cterm_fg = hlt[id - 1].sg_cterm_fg; if (hlt[id - 1].sg_cterm_bg != hlt[id_S - 1].sg_cterm_bg) hlt[hlcnt + i].sg_cterm_bg = hlt[id - 1].sg_cterm_bg; # if defined(FEAT_GUI) || defined(FEAT_EVAL) hlt[hlcnt + i].sg_gui ^= hlt[id - 1].sg_gui ^ hlt[id_S - 1].sg_gui; # endif # ifdef FEAT_GUI if (hlt[id - 1].sg_gui_fg != hlt[id_S - 1].sg_gui_fg) hlt[hlcnt + i].sg_gui_fg = hlt[id - 1].sg_gui_fg; if (hlt[id - 1].sg_gui_bg != hlt[id_S - 1].sg_gui_bg) hlt[hlcnt + i].sg_gui_bg = hlt[id - 1].sg_gui_bg; if (hlt[id - 1].sg_gui_sp != hlt[id_S - 1].sg_gui_sp) hlt[hlcnt + i].sg_gui_sp = hlt[id - 1].sg_gui_sp; if (hlt[id - 1].sg_font != hlt[id_S - 1].sg_font) hlt[hlcnt + i].sg_font = hlt[id - 1].sg_font; # ifdef FEAT_XFONTSET if (hlt[id - 1].sg_fontset != hlt[id_S - 1].sg_fontset) hlt[hlcnt + i].sg_fontset = hlt[id - 1].sg_fontset; # endif # endif highlight_ga.ga_len = hlcnt + i + 1; set_hl_attr(hlcnt + i); // At long last we can apply table[i] = syn_id2attr(hlcnt + i + 1); } #endif /* * Translate the 'highlight' option into attributes in highlight_attr[] and * set up the user highlights User1..9. If FEAT_STL_OPT is in use, a set of * corresponding highlights to use on top of HLF_SNC is computed. * Called only when the 'highlight' option has been changed and upon first * screen redraw after any :highlight command. * Return FAIL when an invalid flag is found in 'highlight'. OK otherwise. */ int highlight_changed(void) { int hlf; int i; char_u *p; int attr; char_u *end; int id; #ifdef USER_HIGHLIGHT char_u userhl[30]; // use 30 to avoid compiler warning # ifdef FEAT_STL_OPT int id_S = -1; int id_SNC = 0; # ifdef FEAT_TERMINAL int id_ST = 0; int id_STNC = 0; # endif int hlcnt; # endif #endif static int hl_flags[HLF_COUNT] = HL_FLAGS; need_highlight_changed = FALSE; #ifdef FEAT_TERMINAL term_update_colors_all(); term_update_wincolor_all(); #endif // Clear all attributes. for (hlf = 0; hlf < (int)HLF_COUNT; ++hlf) highlight_attr[hlf] = 0; // First set all attributes to their default value. // Then use the attributes from the 'highlight' option. for (i = 0; i < 2; ++i) { if (i) p = p_hl; else p = get_highlight_default(); if (p == NULL) // just in case continue; while (*p) { for (hlf = 0; hlf < (int)HLF_COUNT; ++hlf) if (hl_flags[hlf] == *p) break; ++p; if (hlf == (int)HLF_COUNT || *p == NUL) return FAIL; // Allow several hl_flags to be combined, like "bu" for // bold-underlined. attr = 0; for ( ; *p && *p != ','; ++p) // parse up to comma { if (VIM_ISWHITE(*p)) // ignore white space continue; if (attr > HL_ALL) // Combination with ':' is not allowed. return FAIL; switch (*p) { case 'b': attr |= HL_BOLD; break; case 'i': attr |= HL_ITALIC; break; case '-': case 'n': // no highlighting break; case 'r': attr |= HL_INVERSE; break; case 's': attr |= HL_STANDOUT; break; case 'u': attr |= HL_UNDERLINE; break; case 'c': attr |= HL_UNDERCURL; break; case '2': attr |= HL_UNDERDOUBLE; break; case 'd': attr |= HL_UNDERDOTTED; break; case '=': attr |= HL_UNDERDASHED; break; case 't': attr |= HL_STRIKETHROUGH; break; case ':': ++p; // highlight group name if (attr || *p == NUL) // no combinations return FAIL; end = vim_strchr(p, ','); if (end == NULL) end = p + STRLEN(p); id = syn_check_group(p, (int)(end - p)); if (id == 0) return FAIL; attr = syn_id2attr(id); p = end - 1; #if defined(FEAT_STL_OPT) && defined(USER_HIGHLIGHT) if (hlf == (int)HLF_SNC) id_SNC = syn_get_final_id(id); # ifdef FEAT_TERMINAL else if (hlf == (int)HLF_ST) id_ST = syn_get_final_id(id); else if (hlf == (int)HLF_STNC) id_STNC = syn_get_final_id(id); # endif else if (hlf == (int)HLF_S) id_S = syn_get_final_id(id); #endif break; default: return FAIL; } } highlight_attr[hlf] = attr; p = skip_to_option_part(p); // skip comma and spaces } } #ifdef USER_HIGHLIGHT // Setup the user highlights // // Temporarily utilize 28 more hl entries: // 9 for User1-User9 combined with StatusLineNC // 9 for User1-User9 combined with StatusLineTerm // 9 for User1-User9 combined with StatusLineTermNC // 1 for StatusLine default // Have to be in there simultaneously in case of table overflows in // get_attr_entry() # ifdef FEAT_STL_OPT if (ga_grow(&highlight_ga, 28) == FAIL) return FAIL; hlcnt = highlight_ga.ga_len; if (id_S == -1) { // Make sure id_S is always valid to simplify code below. Use the last // entry. CLEAR_POINTER(&HL_TABLE()[hlcnt + 27]); HL_TABLE()[hlcnt + 18].sg_term = highlight_attr[HLF_S]; id_S = hlcnt + 19; } # endif for (i = 0; i < 9; i++) { sprintf((char *)userhl, "User%d", i + 1); id = syn_name2id(userhl); if (id == 0) { highlight_user[i] = 0; # ifdef FEAT_STL_OPT highlight_stlnc[i] = 0; # ifdef FEAT_TERMINAL highlight_stlterm[i] = 0; highlight_stltermnc[i] = 0; # endif # endif } else { highlight_user[i] = syn_id2attr(id); # ifdef FEAT_STL_OPT combine_stl_hlt(id, id_S, id_SNC, hlcnt, i, HLF_SNC, highlight_stlnc); # ifdef FEAT_TERMINAL combine_stl_hlt(id, id_S, id_ST, hlcnt + 9, i, HLF_ST, highlight_stlterm); combine_stl_hlt(id, id_S, id_STNC, hlcnt + 18, i, HLF_STNC, highlight_stltermnc); # endif # endif } } # ifdef FEAT_STL_OPT highlight_ga.ga_len = hlcnt; # endif #endif // USER_HIGHLIGHT return OK; } static void highlight_list(void); static void highlight_list_two(int cnt, int attr); /* * Handle command line completion for :highlight command. */ void set_context_in_highlight_cmd(expand_T *xp, char_u *arg) { char_u *p; // Default: expand group names xp->xp_context = EXPAND_HIGHLIGHT; xp->xp_pattern = arg; include_link = 2; include_default = 1; // (part of) subcommand already typed if (*arg != NUL) { p = skiptowhite(arg); if (*p != NUL) // past "default" or group name { include_default = 0; if (STRNCMP("default", arg, p - arg) == 0) { arg = skipwhite(p); xp->xp_pattern = arg; p = skiptowhite(arg); } if (*p != NUL) // past group name { include_link = 0; if (arg[1] == 'i' && arg[0] == 'N') highlight_list(); if (STRNCMP("link", arg, p - arg) == 0 || STRNCMP("clear", arg, p - arg) == 0) { xp->xp_pattern = skipwhite(p); p = skiptowhite(xp->xp_pattern); if (*p != NUL) // past first group name { xp->xp_pattern = skipwhite(p); p = skiptowhite(xp->xp_pattern); } } if (*p != NUL) // past group name(s) xp->xp_context = EXPAND_NOTHING; } } } } /* * List highlighting matches in a nice way. */ static void highlight_list(void) { int i; for (i = 10; --i >= 0; ) highlight_list_two(i, HL_ATTR(HLF_D)); for (i = 40; --i >= 0; ) highlight_list_two(99, 0); } static void highlight_list_two(int cnt, int attr) { msg_puts_attr(&("N \bI \b! \b"[cnt / 11]), attr); msg_clr_eos(); out_flush(); ui_delay(cnt == 99 ? 40L : (long)cnt * 50L, FALSE); } /* * Function given to ExpandGeneric() to obtain the list of group names. */ char_u * get_highlight_name(expand_T *xp UNUSED, int idx) { return get_highlight_name_ext(xp, idx, TRUE); } /* * Obtain a highlight group name. * When "skip_cleared" is TRUE don't return a cleared entry. */ char_u * get_highlight_name_ext(expand_T *xp UNUSED, int idx, int skip_cleared) { if (idx < 0) return NULL; // Items are never removed from the table, skip the ones that were // cleared. if (skip_cleared && idx < highlight_ga.ga_len && HL_TABLE()[idx].sg_cleared) return (char_u *)""; if (idx == highlight_ga.ga_len && include_none != 0) return (char_u *)"none"; if (idx == highlight_ga.ga_len + include_none && include_default != 0) return (char_u *)"default"; if (idx == highlight_ga.ga_len + include_none + include_default && include_link != 0) return (char_u *)"link"; if (idx == highlight_ga.ga_len + include_none + include_default + 1 && include_link != 0) return (char_u *)"clear"; if (idx >= highlight_ga.ga_len) return NULL; return HL_TABLE()[idx].sg_name; } #if defined(FEAT_GUI) || defined(PROTO) /* * Free all the highlight group fonts. * Used when quitting for systems which need it. */ void free_highlight_fonts(void) { int idx; for (idx = 0; idx < highlight_ga.ga_len; ++idx) { gui_mch_free_font(HL_TABLE()[idx].sg_font); HL_TABLE()[idx].sg_font = NOFONT; # ifdef FEAT_XFONTSET gui_mch_free_fontset(HL_TABLE()[idx].sg_fontset); HL_TABLE()[idx].sg_fontset = NOFONTSET; # endif } gui_mch_free_font(gui.norm_font); # ifdef FEAT_XFONTSET gui_mch_free_fontset(gui.fontset); # endif # ifndef FEAT_GUI_GTK gui_mch_free_font(gui.bold_font); gui_mch_free_font(gui.ital_font); gui_mch_free_font(gui.boldital_font); # endif } #endif #if defined(FEAT_EVAL) || defined(PROTO) /* * Convert each of the highlight attribute bits (bold, standout, underline, * etc.) set in 'hlattr' into a separate boolean item in a Dictionary with * the attribute name as the key. */ static dict_T * highlight_get_attr_dict(int hlattr) { dict_T *dict; int i; dict = dict_alloc(); if (dict == NULL) return NULL; for (i = 0; hl_attr_table[i] != 0; ++i) { if (hlattr & hl_attr_table[i]) { dict_add_bool(dict, hl_name_table[i], VVAL_TRUE); hlattr &= ~hl_attr_table[i]; // don't want "inverse" } } return dict; } /* * Return the attributes of the highlight group at index 'hl_idx' as a * Dictionary. If 'resolve_link' is TRUE, then resolves the highlight group * links recursively. */ static dict_T * highlight_get_info(int hl_idx, int resolve_link) { dict_T *dict; hl_group_T *sgp; dict_T *attr_dict; int hlgid; dict = dict_alloc(); if (dict == NULL) return dict; sgp = &HL_TABLE()[hl_idx]; // highlight group id is 1-based hlgid = hl_idx + 1; if (dict_add_string(dict, "name", sgp->sg_name) == FAIL) goto error; if (dict_add_number(dict, "id", hlgid) == FAIL) goto error; if (sgp->sg_link && resolve_link) { // resolve the highlight group link recursively while (sgp->sg_link) { hlgid = sgp->sg_link; sgp = &HL_TABLE()[sgp->sg_link - 1]; } } if (sgp->sg_term != 0) { attr_dict = highlight_get_attr_dict(sgp->sg_term); if (attr_dict != NULL) if (dict_add_dict(dict, "term", attr_dict) == FAIL) goto error; } if (sgp->sg_start != NULL) if (dict_add_string(dict, "start", sgp->sg_start) == FAIL) goto error; if (sgp->sg_stop != NULL) if (dict_add_string(dict, "stop", sgp->sg_stop) == FAIL) goto error; if (sgp->sg_cterm != 0) { attr_dict = highlight_get_attr_dict(sgp->sg_cterm); if (attr_dict != NULL) if (dict_add_dict(dict, "cterm", attr_dict) == FAIL) goto error; } if (sgp->sg_cterm_fg != 0) if (dict_add_string(dict, "ctermfg", highlight_color(hlgid, (char_u *)"fg", 'c')) == FAIL) goto error; if (sgp->sg_cterm_bg != 0) if (dict_add_string(dict, "ctermbg", highlight_color(hlgid, (char_u *)"bg", 'c')) == FAIL) goto error; if (sgp->sg_cterm_ul != 0) if (dict_add_string(dict, "ctermul", highlight_color(hlgid, (char_u *)"ul", 'c')) == FAIL) goto error; if (sgp->sg_gui != 0) { attr_dict = highlight_get_attr_dict(sgp->sg_gui); if (attr_dict != NULL) if (dict_add_dict(dict, "gui", attr_dict) == FAIL) goto error; } if (sgp->sg_gui_fg_name != NULL) if (dict_add_string(dict, "guifg", highlight_color(hlgid, (char_u *)"fg", 'g')) == FAIL) goto error; if (sgp->sg_gui_bg_name != NULL) if (dict_add_string(dict, "guibg", highlight_color(hlgid, (char_u *)"bg", 'g')) == FAIL) goto error; if (sgp->sg_gui_sp_name != NULL) if (dict_add_string(dict, "guisp", highlight_color(hlgid, (char_u *)"sp", 'g')) == FAIL) goto error; # ifdef FEAT_GUI if (sgp->sg_font_name != NULL) if (dict_add_string(dict, "font", sgp->sg_font_name) == FAIL) goto error; # endif if (sgp->sg_link) { char_u *link; link = HL_TABLE()[sgp->sg_link - 1].sg_name; if (link != NULL && dict_add_string(dict, "linksto", link) == FAIL) goto error; if (sgp->sg_deflink) dict_add_bool(dict, "default", VVAL_TRUE); } if (dict_len(dict) == 2) // If only 'name' is present, then the highlight group is cleared. dict_add_bool(dict, "cleared", VVAL_TRUE); return dict; error: vim_free(dict); return NULL; } /* * "hlget([name])" function * Return the attributes of a specific highlight group (if specified) or all * the highlight groups. */ void f_hlget(typval_T *argvars, typval_T *rettv) { list_T *list; dict_T *dict; int i; char_u *hlarg = NULL; int resolve_link = FALSE; if (rettv_list_alloc(rettv) == FAIL) return; if (check_for_opt_string_arg(argvars, 0) == FAIL || (argvars[0].v_type != VAR_UNKNOWN && check_for_opt_bool_arg(argvars, 1) == FAIL)) return; if (argvars[0].v_type != VAR_UNKNOWN) { // highlight group name supplied hlarg = tv_get_string_chk(&argvars[0]); if (hlarg == NULL) return; if (argvars[1].v_type != VAR_UNKNOWN) { int error = FALSE; resolve_link = tv_get_bool_chk(&argvars[1], &error); if (error) return; } } list = rettv->vval.v_list; for (i = 0; i < highlight_ga.ga_len && !got_int; ++i) { if (hlarg == NULL || STRICMP(hlarg, HL_TABLE()[i].sg_name) == 0) { dict = highlight_get_info(i, resolve_link); if (dict != NULL) list_append_dict(list, dict); } } } /* * Returns the string value at 'dict[key]'. Returns NULL, if 'key' is not in * 'dict' or the value is not a string type. If the value is not a string type * or is NULL, then 'error' is set to TRUE. */ static char_u * hldict_get_string(dict_T *dict, char_u *key, int *error) { dictitem_T *di; *error = FALSE; di = dict_find(dict, key, -1); if (di == NULL) return NULL; if (di->di_tv.v_type != VAR_STRING || di->di_tv.vval.v_string == NULL) { emsg(_(e_string_required)); *error = TRUE; return NULL; } return di->di_tv.vval.v_string; } /* * Convert the highlight attribute Dictionary at 'dict[key]' into a string * value in 'attr_str' of length 'len'. Returns FALSE if 'dict[key]' is not a * Dictionary or is NULL. */ static int hldict_attr_to_str( dict_T *dict, char_u *key, char_u *attr_str, size_t len) { dictitem_T *di; dict_T *attrdict; int i; char_u *p; size_t sz; attr_str[0] = NUL; di = dict_find(dict, key, -1); if (di == NULL) return TRUE; if (di->di_tv.v_type != VAR_DICT || di->di_tv.vval.v_dict == NULL) { emsg(_(e_dictionary_required)); return FALSE; } attrdict = di->di_tv.vval.v_dict; // If the attribute dict is empty, then return NONE to clear the attributes if (dict_len(attrdict) == 0) { vim_strcat(attr_str, (char_u *)"NONE", len); return TRUE; } p = attr_str; for (i = 0; i < (int)ARRAY_LENGTH(hl_name_table); i++) { if (dict_get_bool(attrdict, hl_name_table[i], VVAL_FALSE) == VVAL_TRUE) { if (p != attr_str && (size_t)(p - attr_str + 2) < len) STRCPY(p, (char_u *)","); sz = STRLEN(hl_name_table[i]); if (p - attr_str + sz + 1 < len) { STRCPY(p, (char_u *)hl_name_table[i]); p += sz; } } } return TRUE; } // Temporary buffer used to store the command string produced by hlset(). // IObuff cannot be used for this as the error messages produced by hlset() // internally use IObuff. #define HLSETBUFSZ 512 static char_u hlsetBuf[HLSETBUFSZ + 1]; /* * Add the highlight attribute "attr" of length "attrlen" and "value" at * "dptr", which points into "hlsetBuf". * Returns the updated pointer. */ static char_u * add_attr_and_value(char_u *dptr, char_u *attr, int attrlen, char_u *value) { size_t vallen; // Do nothing if the value is not specified or is empty if (value == NULL || *value == NUL) return dptr; vallen = STRLEN(value); if (dptr + attrlen + vallen + 1 < hlsetBuf + HLSETBUFSZ) { STRCPY(dptr, attr); dptr += attrlen; STRCPY(dptr, value); dptr += vallen; } return dptr; } /* * Add or update a highlight group using 'dict' items. Returns TRUE if * successfully updated the highlight group. */ static int hlg_add_or_update(dict_T *dict) { char_u *name; int error; char_u term_attr[MAX_ATTR_LEN]; char_u cterm_attr[MAX_ATTR_LEN]; char_u gui_attr[MAX_ATTR_LEN]; char_u *start; char_u *stop; char_u *ctermfg; char_u *ctermbg; char_u *ctermul; char_u *guifg; char_u *guibg; char_u *guisp; # ifdef FEAT_GUI char_u *font; # endif int forceit = FALSE; int dodefault = FALSE; int done = FALSE; char_u *p; name = hldict_get_string(dict, (char_u *)"name", &error); if (name == NULL || *name == NUL || error) return FALSE; if (dict_get_bool(dict, "force", VVAL_FALSE) == VVAL_TRUE) forceit = TRUE; if (dict_get_bool(dict, "default", VVAL_FALSE) == VVAL_TRUE) dodefault = TRUE; if (dict_has_key(dict, "cleared")) { varnumber_T cleared; // clear a highlight group cleared = dict_get_bool(dict, "cleared", FALSE); if (cleared == TRUE) { vim_snprintf((char *)hlsetBuf, HLSETBUFSZ, "clear %s", name); do_highlight(hlsetBuf, forceit, FALSE); done = TRUE; } } if (dict_has_key(dict, "linksto")) { char_u *linksto; // link highlight groups linksto = hldict_get_string(dict, (char_u *)"linksto", &error); if (linksto == NULL || *linksto == NUL || error) return FALSE; vim_snprintf((char *)hlsetBuf, HLSETBUFSZ, "%slink %s %s", dodefault ? "default " : "", name, linksto); do_highlight(hlsetBuf, forceit, FALSE); done = TRUE; } // If 'cleared' or 'linksto' are specified, then don't process the other // attributes. if (done) return TRUE; start = hldict_get_string(dict, (char_u *)"start", &error); if (error) return FALSE; stop = hldict_get_string(dict, (char_u *)"stop", &error); if (error) return FALSE; if (!hldict_attr_to_str(dict, (char_u *)"term", term_attr, sizeof(term_attr))) return FALSE; if (!hldict_attr_to_str(dict, (char_u *)"cterm", cterm_attr, sizeof(cterm_attr))) return FALSE; ctermfg = hldict_get_string(dict, (char_u *)"ctermfg", &error); if (error) return FALSE; ctermbg = hldict_get_string(dict, (char_u *)"ctermbg", &error); if (error) return FALSE; ctermul = hldict_get_string(dict, (char_u *)"ctermul", &error); if (error) return FALSE; if (!hldict_attr_to_str(dict, (char_u *)"gui", gui_attr, sizeof(gui_attr))) return FALSE; guifg = hldict_get_string(dict, (char_u *)"guifg", &error); if (error) return FALSE; guibg = hldict_get_string(dict, (char_u *)"guibg", &error); if (error) return FALSE; guisp = hldict_get_string(dict, (char_u *)"guisp", &error); if (error) return FALSE; # ifdef FEAT_GUI font = hldict_get_string(dict, (char_u *)"font", &error); if (error) return FALSE; # endif // If none of the attributes are specified, then do nothing. if (term_attr[0] == NUL && start == NULL && stop == NULL && cterm_attr[0] == NUL && ctermfg == NULL && ctermbg == NULL && ctermul == NULL && gui_attr[0] == NUL # ifdef FEAT_GUI && font == NULL # endif && guifg == NULL && guibg == NULL && guisp == NULL ) return TRUE; hlsetBuf[0] = NUL; p = hlsetBuf; if (dodefault) p = add_attr_and_value(p, (char_u *)"default", 7, (char_u *)" "); p = add_attr_and_value(p, (char_u *)"", 0, name); p = add_attr_and_value(p, (char_u *)" term=", 6, term_attr); p = add_attr_and_value(p, (char_u *)" start=", 7, start); p = add_attr_and_value(p, (char_u *)" stop=", 6, stop); p = add_attr_and_value(p, (char_u *)" cterm=", 7, cterm_attr); p = add_attr_and_value(p, (char_u *)" ctermfg=", 9, ctermfg); p = add_attr_and_value(p, (char_u *)" ctermbg=", 9, ctermbg); p = add_attr_and_value(p, (char_u *)" ctermul=", 9, ctermul); p = add_attr_and_value(p, (char_u *)" gui=", 5, gui_attr); # ifdef FEAT_GUI p = add_attr_and_value(p, (char_u *)" font=", 6, font); # endif p = add_attr_and_value(p, (char_u *)" guifg=", 7, guifg); p = add_attr_and_value(p, (char_u *)" guibg=", 7, guibg); p = add_attr_and_value(p, (char_u *)" guisp=", 7, guisp); do_highlight(hlsetBuf, forceit, FALSE); return TRUE; } /* * "hlset([{highlight_attr}])" function * Add or modify highlight groups */ void f_hlset(typval_T *argvars, typval_T *rettv) { listitem_T *li; dict_T *dict; rettv->vval.v_number = -1; if (check_for_list_arg(argvars, 0) == FAIL) return; FOR_ALL_LIST_ITEMS(argvars->vval.v_list, li) { if (li->li_tv.v_type != VAR_DICT) { emsg(_(e_dictionary_required)); return; } dict = li->li_tv.vval.v_dict; if (!hlg_add_or_update(dict)) return; } rettv->vval.v_number = 0; } #endif