Mercurial > vim
view src/if_tcl.c @ 15103:9339601e7a31 v8.1.0562
patch 8.1.0562: parsing of 'diffopt' is slightly wrong
commit https://github.com/vim/vim/commit/b6fc72851c45a36a370f9516c68508e47b41c4c1
Author: Bram Moolenaar <Bram@vim.org>
Date: Tue Dec 4 22:24:16 2018 +0100
patch 8.1.0562: parsing of 'diffopt' is slightly wrong
Problem: Parsing of 'diffopt' is slightly wrong.
Solution: Fix the parsing and add a test. (Jason Franklin, Christian
Brabandt)
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Tue, 04 Dec 2018 22:30:07 +0100 |
parents | 6e4e0d43b20b |
children | 55ccc2d353bd |
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. */ /* * Tcl extensions by Ingo Wilken <Ingo.Wilken@informatik.uni-oldenburg.de> * Last modification: Wed May 10 21:28:44 CEST 2000 * Requires Tcl 8.0 or higher. * * Variables: * ::vim::current(buffer) # Name of buffer command for current buffer. * ::vim::current(window) # Name of window command for current window. * ::vim::range(start) # Start of current range (line number). * ::vim::range(end) # End of current range (line number). * ::vim::lbase # Start of line/column numbers (1 or 0). * * Commands: * ::vim::command {cmd} # Execute ex command {cmd}. * ::vim::option {opt} [val] # Get/Set option {opt}. * ::vim::expr {expr} # Evaluate {expr} using vim's evaluator. * ::vim::beep # Guess. * * set buf [::vim::buffer {n}] # Create Tcl command for buffer N. * set bl [::vim::buffer list] # Get list of Tcl commands of all buffers. * ::vim::buffer exists {n} # True if buffer {n} exists. * * set wl [::vim::window list] # Get list of Tcl commands of all windows. * * set n [$win height] # Report window height. * $win height {n} # Set window height to {n}. * array set pos [$win cursor] # Get cursor position. * $win cursor {row} {col} # Set cursor position. * $win cursor pos # Set cursor position from array var "pos" * $win delcmd {cmd} # Register callback command for closed window. * $win option {opt} [val] # Get/Set vim option in context of $win. * $win command {cmd} # Execute ex command in context of $win. * $win expr {expr} # Evaluate vim expression in context of $win. * set buf [$win buffer] # Create Tcl command for window's buffer. * * $buf name # Reports file name in buffer. * $buf number # Reports buffer number. * set l [$buf get {n}] # Get buffer line {n} as a string. * set L [$buf get {n} {m}] # Get lines {n} through {m} as a list. * $buf count # Reports number of lines in buffer. * $buf last # Reports number of last line in buffer. * $buf delete {n} # Delete line {n}. * $buf delete {n} {m} # Delete lines {n} through {m}. * $buf set {n} {l} # Set line {n} to string {l}. * $buf set {n} {m} {L} # Set lines {n} through {m} from list {L}. * # Delete/inserts lines as appropriate. * $buf option {opt} [val] # Get/Set vim option in context of $buf. * $buf command {cmd} # Execute ex command in context of $buf * $buf expr {cmd} # Evaluate vim expression in context of $buf. * array set pos [$buf mark {m}] # Get position of mark. * $buf append {n} {str} # Append string {str} to buffer,after line {n}. * $buf insert {n} {str} # Insert string {str} in buffer as line {n}. * $buf delcmd {cmd} # Register callback command for deleted buffer. * set wl [$buf windows] # Get list of Tcl commands for all windows of * # this buffer. TODO: * ::vim::buffer new # create new buffer + Tcl command */ #include "vim.h" #undef EXTERN /* tcl.h defines it too */ #ifdef DYNAMIC_TCL # define USE_TCL_STUBS /* use tcl's stubs mechanism */ #endif #include <tcl.h> #include <string.h> typedef struct { Tcl_Interp *interp; int exitvalue; int range_start, range_end; int lbase; char *curbuf, *curwin; } tcl_info; static tcl_info tclinfo = { NULL, 0, 0, 0, 0, NULL, NULL }; #define VAR_RANGE1 "::vim::range(start)" #define VAR_RANGE2 "::vim::range(begin)" #define VAR_RANGE3 "::vim::range(end)" #define VAR_CURBUF "::vim::current(buffer)" #define VAR_CURWIN "::vim::current(window)" #define VAR_LBASE "::vim::lbase" #define VAR_CURLINE "line" #define VAR_CURLNUM "lnum" #define VARNAME_SIZE 64 #define row2tcl(x) ((x) - (tclinfo.lbase==0)) #define row2vim(x) ((x) + (tclinfo.lbase==0)) #define col2tcl(x) ((x) + (tclinfo.lbase!=0)) #define col2vim(x) ((x) - (tclinfo.lbase!=0)) #define VIMOUT ((ClientData)1) #define VIMERR ((ClientData)2) /* This appears to be new in Tcl 8.4. */ #ifndef CONST84 # define CONST84 #endif /* * List of Tcl interpreters who reference a vim window or buffer. * Each buffer and window has its own list in the w_tcl_ref or b_tcl_ref * struct member. We need this because Tcl can create sub-interpreters with * the "interp" command, and each interpreter can reference all windows and * buffers. */ struct ref { struct ref *next; Tcl_Interp *interp; Tcl_Command cmd; /* Tcl command that represents this object */ Tcl_Obj *delcmd; /* Tcl command to call when object is being del. */ void *vimobj; /* Vim window or buffer (win_T* or buf_T*) */ }; static char * tclgetbuffer _ANSI_ARGS_((Tcl_Interp *interp, buf_T *buf)); static char * tclgetwindow _ANSI_ARGS_((Tcl_Interp *interp, win_T *win)); static int tclsetdelcmd _ANSI_ARGS_((Tcl_Interp *interp, struct ref *reflist, void *vimobj, Tcl_Obj *delcmd)); static int tclgetlinenum _ANSI_ARGS_ ((Tcl_Interp *interp, Tcl_Obj *obj, int *valueP, buf_T *buf)); static win_T *tclfindwin _ANSI_ARGS_ ((buf_T *buf)); static int tcldoexcommand _ANSI_ARGS_ ((Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[], int objn)); static int tclsetoption _ANSI_ARGS_ ((Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[], int objn)); static int tclvimexpr _ANSI_ARGS_ ((Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[], int objn)); static void tcldelthisinterp _ANSI_ARGS_ ((void)); static int vimerror _ANSI_ARGS_((Tcl_Interp *interp)); static void tclmsg _ANSI_ARGS_((char *text)); static void tclerrmsg _ANSI_ARGS_((char *text)); static void tclupdatevars _ANSI_ARGS_((void)); static struct ref refsdeleted; /* dummy object for deleted ref list */ /***************************************************************************** * TCL interface manager ****************************************************************************/ #if defined(DYNAMIC_TCL) || defined(PROTO) # ifndef DYNAMIC_TCL_DLL # define DYNAMIC_TCL_DLL "tcl83.dll" # endif # ifndef DYNAMIC_TCL_VER # define DYNAMIC_TCL_VER "8.3" # endif # ifndef DYNAMIC_TCL /* Just generating prototypes */ typedef int HANDLE; # endif # ifndef WIN3264 # include <dlfcn.h> # define HANDLE void* # define TCL_PROC void* # define load_dll(n) dlopen((n), RTLD_LAZY|RTLD_GLOBAL) # define symbol_from_dll dlsym # define close_dll dlclose # else # define TCL_PROC FARPROC # define load_dll vimLoadLib # define symbol_from_dll GetProcAddress # define close_dll FreeLibrary # endif /* * Declare HANDLE for tcl.dll and function pointers. */ static HANDLE hTclLib = NULL; Tcl_Interp* (*dll_Tcl_CreateInterp)(); void (*dll_Tcl_FindExecutable)(const void *); /* * Table of name to function pointer of tcl. */ static struct { char* name; TCL_PROC* ptr; } tcl_funcname_table[] = { {"Tcl_CreateInterp", (TCL_PROC*)&dll_Tcl_CreateInterp}, {"Tcl_FindExecutable", (TCL_PROC*)&dll_Tcl_FindExecutable}, {NULL, NULL}, }; /* * Make all runtime-links of tcl. * * 1. Get module handle using LoadLibraryEx. * 2. Get pointer to tcl function by GetProcAddress. * 3. Repeat 2, until get all functions will be used. * * Parameter 'libname' provides name of DLL. * Return OK or FAIL. */ static int tcl_runtime_link_init(char *libname, int verbose) { int i; if (hTclLib) return OK; if (!(hTclLib = load_dll(libname))) { if (verbose) EMSG2(_(e_loadlib), libname); return FAIL; } for (i = 0; tcl_funcname_table[i].ptr; ++i) { if (!(*tcl_funcname_table[i].ptr = symbol_from_dll(hTclLib, tcl_funcname_table[i].name))) { close_dll(hTclLib); hTclLib = NULL; if (verbose) EMSG2(_(e_loadfunc), tcl_funcname_table[i].name); return FAIL; } } return OK; } #endif /* defined(DYNAMIC_TCL) || defined(PROTO) */ #ifdef DYNAMIC_TCL static char *find_executable_arg = NULL; #endif void vim_tcl_init(char *arg) { #ifndef DYNAMIC_TCL Tcl_FindExecutable(arg); #else find_executable_arg = arg; #endif } #if defined(DYNAMIC_TCL) || defined(PROTO) static int stubs_initialized = FALSE; /* * Return TRUE if the TCL interface can be used. */ int tcl_enabled(int verbose) { if (!stubs_initialized && find_executable_arg != NULL && tcl_runtime_link_init((char *)p_tcldll, verbose) == OK) { Tcl_Interp *interp; dll_Tcl_FindExecutable(find_executable_arg); if ((interp = dll_Tcl_CreateInterp()) != NULL) { if (Tcl_InitStubs(interp, DYNAMIC_TCL_VER, 0)) { Tcl_DeleteInterp(interp); stubs_initialized = TRUE; } /* FIXME: When Tcl_InitStubs() was failed, how delete interp? */ } } return stubs_initialized; } #endif void tcl_end(void) { #ifdef DYNAMIC_TCL if (hTclLib) { close_dll(hTclLib); hTclLib = NULL; } #endif } /**************************************************************************** Tcl commands ****************************************************************************/ /* * Replace standard "exit" command. * * Delete the Tcl interpreter; a new one will be created with the next * :tcl command). The exit code is saved (and retrieved in tclexit()). * Since Tcl's exit is never expected to return and this replacement * does, then (except for a trivial case) additional Tcl commands will * be run. Since the interpreter is now marked as deleted, an error * will be returned -- typically "attempt to call eval in deleted * interpreter". Hopefully, at this point, checks for TCL_ERROR take * place and control percolates back up to Vim -- but with this new error * string in the interpreter's result value. Therefore it would be * useless for this routine to return the exit code via Tcl_SetResult(). */ static int exitcmd( ClientData dummy UNUSED, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]) { int value = 0; switch (objc) { case 2: if (Tcl_GetIntFromObj(interp, objv[1], &value) != TCL_OK) break; /* FALLTHROUGH */ case 1: tclinfo.exitvalue = value; Tcl_DeleteInterp(interp); break; default: Tcl_WrongNumArgs(interp, 1, objv, "?returnCode?"); } return TCL_ERROR; } /* * "::vim::beep" - what Vi[m] does best :-) */ static int beepcmd( ClientData dummy UNUSED, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]) { if (objc != 1) { Tcl_WrongNumArgs(interp, 1, objv, NULL); return TCL_ERROR; } vim_beep(BO_LANG); return TCL_OK; } /* * "::vim::buffer list" - create a list of buffer commands. * "::vim::buffer {N}" - create buffer command for buffer N. * "::vim::buffer exists {N}" - test if buffer N exists. * "::vim::buffer new" - create a new buffer (not implemented) */ static int buffercmd( ClientData dummy UNUSED, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]) { char *name; buf_T *buf; Tcl_Obj *resobj; int err, n, idx; enum {BCMD_EXISTS, BCMD_LIST}; static CONST84 char *bcmdoptions[] = { "exists", "list", (char *)0 }; if (objc < 2) { Tcl_WrongNumArgs(interp, 1, objv, "option"); return TCL_ERROR; } err = Tcl_GetIntFromObj(interp, objv[1], &n); if (err == TCL_OK) { if (objc != 2) { Tcl_WrongNumArgs(interp, 1, objv, "bufNumber"); return TCL_ERROR; } FOR_ALL_BUFFERS(buf) { if (buf->b_fnum == n) { name = tclgetbuffer(interp, buf); if (name == NULL) return TCL_ERROR; Tcl_SetResult(interp, name, TCL_VOLATILE); return TCL_OK; } } Tcl_SetResult(interp, _("invalid buffer number"), TCL_STATIC); return TCL_ERROR; } Tcl_ResetResult(interp); /* clear error from Tcl_GetIntFromObj */ err = Tcl_GetIndexFromObj(interp, objv[1], bcmdoptions, "option", 0, &idx); if (err != TCL_OK) return err; switch (idx) { case BCMD_LIST: if (objc != 2) { Tcl_WrongNumArgs(interp, 2, objv, ""); err = TCL_ERROR; break; } FOR_ALL_BUFFERS(buf) { name = tclgetbuffer(interp, buf); if (name == NULL) { err = TCL_ERROR; break; } Tcl_AppendElement(interp, name); } break; case BCMD_EXISTS: if (objc != 3) { Tcl_WrongNumArgs(interp, 2, objv, "bufNumber"); err = TCL_ERROR; break; } err = Tcl_GetIntFromObj(interp, objv[2], &n); if (err == TCL_OK) { buf = buflist_findnr(n); resobj = Tcl_NewIntObj(buf != NULL); Tcl_SetObjResult(interp, resobj); } break; default: Tcl_SetResult(interp, _("not implemented yet"), TCL_STATIC); err = TCL_ERROR; } return err; } /* * "::vim::window list" - create list of window commands. */ static int windowcmd( ClientData dummy UNUSED, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]) { char *what, *string; win_T *win; if (objc != 2) { Tcl_WrongNumArgs(interp, 1, objv, "option"); return TCL_ERROR; } what = Tcl_GetStringFromObj(objv[1], NULL); if (strcmp(what, "list") == 0) { FOR_ALL_WINDOWS(win) { string = tclgetwindow(interp, win); if (string == NULL) return TCL_ERROR; Tcl_AppendElement(interp, string); } return TCL_OK; } Tcl_SetResult(interp, _("unknown option"), TCL_STATIC); return TCL_ERROR; } /* * flags for bufselfcmd and winselfcmd to indicate outstanding actions. */ #define FL_UPDATE_SCREEN (1<<0) #define FL_UPDATE_CURBUF (1<<1) #define FL_ADJUST_CURSOR (1<<2) /* * This function implements the buffer commands. */ static int bufselfcmd( ClientData ref, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]) { int opt, err, idx, flags; int val1, val2, n, i; buf_T *buf, *savebuf; win_T *win, *savewin; Tcl_Obj *resobj; pos_T *pos; char *line; enum { BUF_APPEND, BUF_COMMAND, BUF_COUNT, BUF_DELCMD, BUF_DELETE, BUF_EXPR, BUF_GET, BUF_INSERT, BUF_LAST, BUF_MARK, BUF_NAME, BUF_NUMBER, BUF_OPTION, BUF_SET, BUF_WINDOWS }; static CONST84 char *bufoptions[] = { "append", "command", "count", "delcmd", "delete", "expr", "get", "insert", "last", "mark", "name", "number", "option", "set", "windows", (char *)0 }; if (objc < 2) { Tcl_WrongNumArgs(interp, 1, objv, "option ?arg ...?"); return TCL_ERROR; } err = Tcl_GetIndexFromObj(interp, objv[1], bufoptions, "option", 0, &idx); if (err != TCL_OK) return err; buf = (buf_T *)((struct ref *)ref)->vimobj; savebuf = curbuf; curbuf = buf; savewin = curwin; curwin = tclfindwin(buf); flags = 0; opt = 0; switch (idx) { case BUF_COMMAND: err = tcldoexcommand(interp, objc, objv, 2); flags |= FL_UPDATE_SCREEN; break; case BUF_OPTION: err = tclsetoption(interp, objc, objv, 2); flags |= FL_UPDATE_SCREEN; break; case BUF_EXPR: err = tclvimexpr(interp, objc, objv, 2); break; case BUF_NAME: /* * Get filename of buffer. */ if (objc != 2) { Tcl_WrongNumArgs(interp, 2, objv, NULL); err = TCL_ERROR; break; } if (buf->b_ffname) Tcl_SetResult(interp, (char *)buf->b_ffname, TCL_VOLATILE); else Tcl_SetResult(interp, "", TCL_STATIC); break; case BUF_LAST: /* * Get line number of last line. */ opt = 1; /* fallthrough */ case BUF_COUNT: /* * Get number of lines in buffer. */ if (objc != 2) { Tcl_WrongNumArgs(interp, 2, objv, NULL); err = TCL_ERROR; break; } val1 = (int)buf->b_ml.ml_line_count; if (opt) val1 = row2tcl(val1); resobj = Tcl_NewIntObj(val1); Tcl_SetObjResult(interp, resobj); break; case BUF_NUMBER: /* * Get buffer's number. */ if (objc != 2) { Tcl_WrongNumArgs(interp, 2, objv, NULL); err = TCL_ERROR; break; } resobj = Tcl_NewIntObj((int)buf->b_fnum); Tcl_SetObjResult(interp, resobj); break; case BUF_GET: if (objc != 3 && objc != 4) { Tcl_WrongNumArgs(interp, 2, objv, "lineNumber ?lineNumber?"); err = TCL_ERROR; break; } err = tclgetlinenum(interp, objv[2], &val1, buf); if (err != TCL_OK) break; if (objc == 4) { err = tclgetlinenum(interp, objv[3], &val2, buf); if (err != TCL_OK) break; if (val1 > val2) { n = val1; val1 = val2; val2 = n; } Tcl_ResetResult(interp); for (n = val1; n <= val2 && err == TCL_OK; n++) { line = (char *)ml_get_buf(buf, (linenr_T)n, FALSE); if (line) Tcl_AppendElement(interp, line); else err = TCL_ERROR; } } else { /* objc == 3 */ line = (char *)ml_get_buf(buf, (linenr_T)val1, FALSE); Tcl_SetResult(interp, line, TCL_VOLATILE); } break; case BUF_SET: if (objc != 4 && objc != 5) { Tcl_WrongNumArgs(interp, 3, objv, "lineNumber ?lineNumber? stringOrList"); err = TCL_ERROR; break; } err = tclgetlinenum(interp, objv[2], &val1, buf); if (err != TCL_OK) return TCL_ERROR; if (objc == 4) { /* * Replace one line with a string. * $buf set {n} {string} */ line = Tcl_GetStringFromObj(objv[3], NULL); if (u_savesub((linenr_T)val1) != OK) { Tcl_SetResult(interp, _("cannot save undo information"), TCL_STATIC); err = TCL_ERROR; } else if (ml_replace((linenr_T)val1, (char_u *)line, TRUE) != OK) { Tcl_SetResult(interp, _("cannot replace line"), TCL_STATIC); err = TCL_ERROR; } else { changed_bytes((linenr_T)val1, 0); flags |= FL_UPDATE_CURBUF; } break; } else { /* * Replace several lines with the elements of a Tcl list. * $buf set {n} {m} {list} * If the list contains more than {m}-{n}+1 elements, they * are * inserted after line {m}. If the list contains fewer * elements, * the lines from {n}+length({list}) through {m} * are deleted. */ int lc; Tcl_Obj **lv; err = tclgetlinenum(interp, objv[3], &val2, buf); if (err != TCL_OK) break; err = Tcl_ListObjGetElements(interp, objv[4], &lc, &lv); if (err != TCL_OK) break; if (val1 > val2) { n = val1; val1 = val2; val2 = n; } n = val1; if (u_save((linenr_T)(val1 - 1), (linenr_T)(val2 + 1)) != OK) { Tcl_SetResult(interp, _("cannot save undo information"), TCL_STATIC); err = TCL_ERROR; break; } flags |= FL_UPDATE_CURBUF; for (i = 0; i < lc && n <= val2; i++) { line = Tcl_GetStringFromObj(lv[i], NULL); if (ml_replace((linenr_T)n, (char_u *)line, TRUE) != OK) goto setListError; ++n; } if (i < lc) { /* append lines */ do { line = Tcl_GetStringFromObj(lv[i], NULL); if (ml_append((linenr_T)(n - 1), (char_u *)line, 0, FALSE) != OK) goto setListError; ++n; ++i; } while (i < lc); } else if (n <= val2) { /* did not replace all lines, delete */ i = n; do { if (ml_delete((linenr_T)i, FALSE) != OK) goto setListError; ++n; } while (n <= val2); } lc -= val2 - val1 + 1; /* number of lines to be replaced */ mark_adjust((linenr_T)val1, (linenr_T)val2, (long)MAXLNUM, (long)lc); changed_lines((linenr_T)val1, 0, (linenr_T)val2 + 1, (long)lc); break; setListError: u_undo(1); /* ??? */ Tcl_SetResult(interp, _("cannot set line(s)"), TCL_STATIC); err = TCL_ERROR; } break; case BUF_DELETE: if (objc != 3 && objc != 4) { Tcl_WrongNumArgs(interp, 3, objv, "lineNumber ?lineNumber?"); err = TCL_ERROR; break; } err = tclgetlinenum(interp, objv[2], &val1, buf); if (err != TCL_OK) break; val2 = val1; if (objc == 4) { err = tclgetlinenum(interp, objv[3], &val2, buf); if (err != TCL_OK) return err; if (val1 > val2) { i = val1; val1 = val2; val2 = i; } } n = val2 - val1 + 1; if (u_savedel((linenr_T)val1, (long)n) != OK) { Tcl_SetResult(interp, _("cannot save undo information"), TCL_STATIC); err = TCL_ERROR; break; } for (i = 0; i < n; i++) { ml_delete((linenr_T)val1, FALSE); err = vimerror(interp); if (err != TCL_OK) break; } if (i > 0) deleted_lines_mark((linenr_T)val1, (long)i); flags |= FL_ADJUST_CURSOR|FL_UPDATE_SCREEN; break; case BUF_MARK: if (objc != 3) { Tcl_WrongNumArgs(interp, 2, objv, "markName"); err = TCL_ERROR; break; } line = Tcl_GetStringFromObj(objv[2], NULL); pos = NULL; if (line[0] != '\0' && line[1] == '\0') { pos = getmark(line[0], FALSE); } if (pos == NULL) { Tcl_SetResult(interp, _("invalid mark name"), TCL_STATIC); err = TCL_ERROR; break; } err = vimerror(interp); if (err != TCL_OK) break; if (pos->lnum <= 0) { Tcl_SetResult(interp, _("mark not set"), TCL_STATIC); err = TCL_ERROR; } else { char rbuf[64]; sprintf(rbuf, _("row %d column %d"), (int)row2tcl(pos->lnum), (int)col2tcl(pos->col)); Tcl_SetResult(interp, rbuf, TCL_VOLATILE); } break; case BUF_INSERT: opt = 1; /* fallthrough */ case BUF_APPEND: if (objc != 4) { Tcl_WrongNumArgs(interp, 2, objv, "lineNum text"); err = TCL_ERROR; break; } err = tclgetlinenum(interp, objv[2], &val1, buf); if (err != TCL_OK) break; if (opt) --val1; if (u_save((linenr_T)val1, (linenr_T)(val1+1)) != OK) { Tcl_SetResult(interp, _("cannot save undo information"), TCL_STATIC); err = TCL_ERROR; break; } line = Tcl_GetStringFromObj(objv[3], NULL); if (ml_append((linenr_T)val1, (char_u *)line, 0, FALSE) != OK) { Tcl_SetResult(interp, _("cannot insert/append line"), TCL_STATIC); err = TCL_ERROR; break; } appended_lines_mark((linenr_T)val1, 1L); flags |= FL_UPDATE_SCREEN; break; case BUF_WINDOWS: /* * Return list of window commands. */ if (objc != 2) { Tcl_WrongNumArgs(interp, 2, objv, NULL); err = TCL_ERROR; break; } Tcl_ResetResult(interp); FOR_ALL_WINDOWS(win) { if (win->w_buffer == buf) { line = tclgetwindow(interp, win); if (line != NULL) Tcl_AppendElement(interp, line); else { err = TCL_ERROR; break; } } } break; case BUF_DELCMD: /* * Register deletion callback. * TODO: Should be able to register multiple callbacks */ if (objc != 3) { Tcl_WrongNumArgs(interp, 2, objv, "command"); err = TCL_ERROR; break; } err = tclsetdelcmd(interp, buf->b_tcl_ref, (void *)buf, objv[2]); break; default: Tcl_SetResult(interp, _("not implemented yet"), TCL_STATIC); err = TCL_ERROR; } if (flags & FL_UPDATE_CURBUF) redraw_curbuf_later(NOT_VALID); curbuf = savebuf; curwin = savewin; if (flags & FL_ADJUST_CURSOR) check_cursor(); if (flags & (FL_UPDATE_SCREEN | FL_UPDATE_CURBUF)) update_screen(NOT_VALID); return err; } /* * This function implements the window commands. */ static int winselfcmd( ClientData ref, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]) { int err, idx, flags; int val1, val2; Tcl_Obj *resobj; win_T *savewin, *win; buf_T *savebuf; char *str; enum { WIN_BUFFER, WIN_COMMAND, WIN_CURSOR, WIN_DELCMD, WIN_EXPR, WIN_HEIGHT, WIN_OPTION }; static CONST84 char *winoptions[] = { "buffer", "command", "cursor", "delcmd", "expr", "height", "option", (char *)0 }; if (objc < 2) { Tcl_WrongNumArgs(interp, 1, objv, "option ?arg ...?"); return TCL_ERROR; } err = Tcl_GetIndexFromObj(interp, objv[1], winoptions, "option", 0, &idx); if (err != TCL_OK) return TCL_ERROR; win = (win_T *)((struct ref *)ref)->vimobj; savewin = curwin; curwin = win; savebuf = curbuf; curbuf = win->w_buffer; flags = 0; switch (idx) { case WIN_OPTION: err = tclsetoption(interp, objc, objv, 2); flags |= FL_UPDATE_SCREEN; break; case WIN_COMMAND: err = tcldoexcommand(interp, objc, objv, 2); flags |= FL_UPDATE_SCREEN; break; case WIN_EXPR: err = tclvimexpr(interp, objc, objv, 2); break; case WIN_HEIGHT: if (objc == 3) { err = Tcl_GetIntFromObj(interp, objv[2], &val1); if (err != TCL_OK) break; #ifdef FEAT_GUI need_mouse_correct = TRUE; #endif win_setheight(val1); err = vimerror(interp); if (err != TCL_OK) break; } else if (objc != 2) { Tcl_WrongNumArgs(interp, 2, objv, "?value?"); err = TCL_ERROR; break; } resobj = Tcl_NewIntObj((int)(win->w_height)); Tcl_SetObjResult(interp, resobj); break; case WIN_BUFFER: if (objc != 2) { Tcl_WrongNumArgs(interp, 2, objv, NULL); err = TCL_ERROR; break; } str = tclgetbuffer(interp, win->w_buffer); if (str) Tcl_SetResult(interp, str, TCL_VOLATILE); else err = TCL_ERROR; break; case WIN_DELCMD: if (objc != 3) { Tcl_WrongNumArgs(interp, 2, objv, "command"); err = TCL_ERROR; break; } err = tclsetdelcmd(interp, win->w_tcl_ref, (void *)win, objv[2]); break; case WIN_CURSOR: if (objc > 4) { Tcl_WrongNumArgs(interp, 2, objv, "?arg1 ?arg2??"); err = TCL_ERROR; break; } if (objc == 2) { char buf[64]; sprintf(buf, _("row %d column %d"), (int)row2tcl(win->w_cursor.lnum), (int)col2tcl(win->w_cursor.col)); Tcl_SetResult(interp, buf, TCL_VOLATILE); break; } else if (objc == 3) { Tcl_Obj *part, *var; part = Tcl_NewStringObj("row", -1); var = Tcl_ObjGetVar2(interp, objv[2], part, TCL_LEAVE_ERR_MSG); if (var == NULL) { err = TCL_ERROR; break; } err = tclgetlinenum(interp, var, &val1, win->w_buffer); if (err != TCL_OK) break; part = Tcl_NewStringObj("column", -1); var = Tcl_ObjGetVar2(interp, objv[2], part, TCL_LEAVE_ERR_MSG); if (var == NULL) { err = TCL_ERROR; break; } err = Tcl_GetIntFromObj(interp, var, &val2); if (err != TCL_OK) break; } else { /* objc == 4 */ err = tclgetlinenum(interp, objv[2], &val1, win->w_buffer); if (err != TCL_OK) break; err = Tcl_GetIntFromObj(interp, objv[3], &val2); if (err != TCL_OK) break; } /* TODO: should check column */ win->w_cursor.lnum = val1; win->w_cursor.col = col2vim(val2); win->w_set_curswant = TRUE; flags |= FL_UPDATE_SCREEN; break; default: Tcl_SetResult(interp, _("not implemented yet"), TCL_STATIC); break; } curwin = savewin; curbuf = savebuf; if (flags & FL_UPDATE_SCREEN) update_screen(NOT_VALID); return err; } static int commandcmd( ClientData dummy UNUSED, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]) { int err; err = tcldoexcommand(interp, objc, objv, 1); update_screen(VALID); return err; } static int optioncmd( ClientData dummy UNUSED, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]) { int err; err = tclsetoption(interp, objc, objv, 1); update_screen(VALID); return err; } static int exprcmd( ClientData dummy UNUSED, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]) { return tclvimexpr(interp, objc, objv, 1); } /**************************************************************************** Support functions for Tcl commands ****************************************************************************/ /* * Get a line number from 'obj' and convert it to vim's range. */ static int tclgetlinenum( Tcl_Interp *interp, Tcl_Obj *obj, int *valueP, buf_T *buf) { int err, i; enum { LN_BEGIN, LN_BOTTOM, LN_END, LN_FIRST, LN_LAST, LN_START, LN_TOP }; static CONST84 char *keyw[] = { "begin", "bottom", "end", "first", "last", "start", "top", (char *)0 }; err = Tcl_GetIndexFromObj(interp, obj, keyw, "", 0, &i); if (err == TCL_OK) { switch (i) { case LN_BEGIN: case LN_FIRST: case LN_START: case LN_TOP: *valueP = 1; break; case LN_BOTTOM: case LN_END: case LN_LAST: *valueP = buf->b_ml.ml_line_count; break; } return TCL_OK; } Tcl_ResetResult(interp); err = Tcl_GetIntFromObj(interp, obj, &i); if (err != TCL_OK) return err; i = row2vim(i); if (i < 1 || i > buf->b_ml.ml_line_count) { Tcl_SetResult(interp, _("line number out of range"), TCL_STATIC); return TCL_ERROR; } *valueP = i; return TCL_OK; } /* * Find the first window in the window list that displays the buffer. */ static win_T * tclfindwin(buf_T *buf) { win_T *win; FOR_ALL_WINDOWS(win) { if (win->w_buffer == buf) return win; } return curwin; /* keep current window context */ } /* * Do-it-all function for "::vim::command", "$buf command" and "$win command". */ static int tcldoexcommand( Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[], int objn) { tcl_info saveinfo; int err, flag, nobjs; char *arg; nobjs = objc - objn; if (nobjs < 1 || nobjs > 2) { Tcl_WrongNumArgs(interp, objn, objv, "?-quiet? exCommand"); return TCL_ERROR; } flag = 0; if (nobjs == 2) { arg = Tcl_GetStringFromObj(objv[objn], NULL); if (strcmp(arg, "-quiet") == 0) flag = 1; else { Tcl_ResetResult(interp); Tcl_AppendResult(interp, _("unknown flag: "), arg, (char *)0); return TCL_ERROR; } ++objn; } memcpy(&saveinfo, &tclinfo, sizeof(tcl_info)); tclinfo.interp = NULL; tclinfo.curwin = NULL; tclinfo.curbuf = NULL; arg = Tcl_GetStringFromObj(objv[objn], NULL); if (flag) ++emsg_off; do_cmdline_cmd((char_u *)arg); if (flag) --emsg_off; err = vimerror(interp); /* If the ex command created a new Tcl interpreter, remove it */ if (tclinfo.interp) tcldelthisinterp(); memcpy(&tclinfo, &saveinfo, sizeof(tcl_info)); tclupdatevars(); return err; } /* * Do-it-all function for "::vim::option", "$buf option" and "$win option". */ static int tclsetoption( Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[], int objn) { int err, nobjs, idx; char_u *option; int isnum; long lval; char_u *sval; Tcl_Obj *resobj; enum { OPT_OFF, OPT_ON, OPT_TOGGLE }; static CONST84 char *optkw[] = { "off", "on", "toggle", (char *)0 }; nobjs = objc - objn; if (nobjs != 1 && nobjs != 2) { Tcl_WrongNumArgs(interp, objn, objv, "vimOption ?value?"); return TCL_ERROR; } option = (char_u *)Tcl_GetStringFromObj(objv[objn], NULL); ++objn; isnum = get_option_value(option, &lval, &sval, 0); err = TCL_OK; switch (isnum) { case 0: Tcl_SetResult(interp, (char *)sval, TCL_VOLATILE); vim_free(sval); break; case 1: resobj = Tcl_NewLongObj(lval); Tcl_SetObjResult(interp, resobj); break; default: Tcl_SetResult(interp, _("unknown vimOption"), TCL_STATIC); return TCL_ERROR; } if (nobjs == 2) { if (isnum) { sval = NULL; /* avoid compiler warning */ err = Tcl_GetIndexFromObj(interp, objv[objn], optkw, "", 0, &idx); if (err != TCL_OK) { Tcl_ResetResult(interp); err = Tcl_GetLongFromObj(interp, objv[objn], &lval); } else switch (idx) { case OPT_ON: lval = 1; break; case OPT_OFF: lval = 0; break; case OPT_TOGGLE: lval = !lval; break; } } else sval = (char_u *)Tcl_GetStringFromObj(objv[objn], NULL); if (err == TCL_OK) { set_option_value(option, lval, sval, OPT_LOCAL); err = vimerror(interp); } } return err; } /* * Do-it-all function for "::vim::expr", "$buf expr" and "$win expr". */ static int tclvimexpr( Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[], int objn) { #ifdef FEAT_EVAL char *expr, *str; #endif int err; if (objc - objn != 1) { Tcl_WrongNumArgs(interp, objn, objv, "vimExpr"); return TCL_ERROR; } #ifdef FEAT_EVAL expr = Tcl_GetStringFromObj(objv[objn], NULL); str = (char *)eval_to_string((char_u *)expr, NULL, TRUE); if (str == NULL) Tcl_SetResult(interp, _("invalid expression"), TCL_STATIC); else { Tcl_SetResult(interp, str, TCL_VOLATILE); vim_free(str); } err = vimerror(interp); #else Tcl_SetResult(interp, _("expressions disabled at compile time"), TCL_STATIC); err = TCL_ERROR; #endif return err; } /* * Check for internal vim errors. */ static int vimerror(Tcl_Interp *interp) { if (got_int) { Tcl_SetResult(interp, _("keyboard interrupt"), TCL_STATIC); return TCL_ERROR; } else if (did_emsg) { Tcl_SetResult(interp, _("vim error"), TCL_STATIC); return TCL_ERROR; } return TCL_OK; } /* * Functions that handle the reference lists: * delref() - callback for Tcl's DeleteCommand * tclgetref() - find/create Tcl command for a win_T* or buf_T* object * tclgetwindow() - window frontend for tclgetref() * tclgetbuffer() - buffer frontend for tclgetref() * tclsetdelcmd() - add Tcl callback command to a vim object */ static void delref(ClientData cref) { struct ref *ref = (struct ref *)cref; if (ref->delcmd) { Tcl_DecrRefCount(ref->delcmd); ref->delcmd = NULL; } ref->interp = NULL; } static char * tclgetref( Tcl_Interp *interp, void **refstartP, /* ptr to w_tcl_ref/b_tcl-ref member of win_T/buf_T struct */ char *prefix, /* "win" or "buf" */ void *vimobj, /* win_T* or buf_T* */ Tcl_ObjCmdProc *proc) /* winselfcmd or bufselfcmd */ { struct ref *ref, *unused = NULL; static char name[VARNAME_SIZE]; Tcl_Command cmd; ref = (struct ref *)(*refstartP); if (ref == &refsdeleted) { Tcl_SetResult(interp, _("cannot create buffer/window command: object is being deleted"), TCL_STATIC); return NULL; } while (ref != NULL) { if (ref->interp == interp) break; if (ref->interp == NULL) unused = ref; ref = ref->next; } if (ref) vim_snprintf(name, sizeof(name), "::vim::%s", Tcl_GetCommandName(interp, ref->cmd)); else { if (unused) ref = unused; else { ref = (struct ref *)Tcl_Alloc(sizeof(struct ref)); ref->interp = NULL; ref->next = (struct ref *)(*refstartP); (*refstartP) = (void *)ref; } /* This might break on some exotic systems... */ vim_snprintf(name, sizeof(name), "::vim::%s_%lx", prefix, (unsigned long)vimobj); cmd = Tcl_CreateObjCommand(interp, name, proc, (ClientData)ref, (Tcl_CmdDeleteProc *)delref); if (!cmd) return NULL; ref->interp = interp; ref->cmd = cmd; ref->delcmd = NULL; ref->vimobj = vimobj; } return name; } static char * tclgetwindow(Tcl_Interp *interp, win_T *win) { return tclgetref(interp, &(win->w_tcl_ref), "win", (void *)win, winselfcmd); } static char * tclgetbuffer(Tcl_Interp *interp, buf_T *buf) { return tclgetref(interp, &(buf->b_tcl_ref), "buf", (void *)buf, bufselfcmd); } static int tclsetdelcmd( Tcl_Interp *interp, struct ref *reflist, void *vimobj, Tcl_Obj *delcmd) { if (reflist == &refsdeleted) { Tcl_SetResult(interp, _("cannot register callback command: buffer/window is already being deleted"), TCL_STATIC); return TCL_ERROR; } while (reflist != NULL) { if (reflist->interp == interp && reflist->vimobj == vimobj) { if (reflist->delcmd) { Tcl_DecrRefCount(reflist->delcmd); } Tcl_IncrRefCount(delcmd); reflist->delcmd = delcmd; return TCL_OK; } reflist = reflist->next; } /* This should never happen. Famous last word? */ EMSG(_("E280: TCL FATAL ERROR: reflist corrupt!? Please report this to vim-dev@vim.org")); Tcl_SetResult(interp, _("cannot register callback command: buffer/window reference not found"), TCL_STATIC); return TCL_ERROR; } /******************************************* I/O Channel ********************************************/ static int tcl_channel_close(ClientData instance, Tcl_Interp *interp UNUSED) { int err = 0; /* currently does nothing */ if (instance != VIMOUT && instance != VIMERR) { Tcl_SetErrno(EBADF); err = EBADF; } return err; } static int tcl_channel_input( ClientData instance UNUSED, char *buf UNUSED, int bufsiz UNUSED, int *errptr) { /* input is currently not supported */ Tcl_SetErrno(EINVAL); if (errptr) *errptr = EINVAL; return -1; } static int tcl_channel_output( ClientData instance, const char *buf, int bufsiz, int *errptr) { char_u *str; int result; /* The buffer is not guaranteed to be 0-terminated, and we don't if * there is enough room to add a '\0'. So we have to create a copy * of the buffer... */ str = vim_strnsave((char_u *)buf, bufsiz); if (!str) { Tcl_SetErrno(ENOMEM); if (errptr) *errptr = ENOMEM; return -1; } result = bufsiz; if (instance == VIMOUT) tclmsg((char *)str); else if (instance == VIMERR) tclerrmsg((char *)str); else { Tcl_SetErrno(EBADF); if (errptr) *errptr = EBADF; result = -1; } vim_free(str); return result; } static void tcl_channel_watch(ClientData instance UNUSED, int mask UNUSED) { Tcl_SetErrno(EINVAL); } static int tcl_channel_gethandle( ClientData instance UNUSED, int direction UNUSED, ClientData *handleptr UNUSED) { Tcl_SetErrno(EINVAL); return EINVAL; } static Tcl_ChannelType tcl_channel_type = { "vimmessage", /* typeName */ TCL_CHANNEL_VERSION_2, /* version */ tcl_channel_close, /* closeProc */ tcl_channel_input, /* inputProc */ tcl_channel_output, /* outputProc */ NULL, /* seekProc */ NULL, /* setOptionProc */ NULL, /* getOptionProc */ tcl_channel_watch, /* watchProc */ tcl_channel_gethandle, /* getHandleProc */ NULL, /* close2Proc */ NULL, /* blockModeProc */ #ifdef TCL_CHANNEL_VERSION_2 NULL, /* flushProc */ NULL, /* handlerProc */ #endif /* The following should not be necessary since TCL_CHANNEL_VERSION_2 was * set above */ #ifdef TCL_CHANNEL_VERSION_3 NULL, /* wideSeekProc */ #endif #ifdef TCL_CHANNEL_VERSION_4 NULL, /* threadActionProc */ #endif #ifdef TCL_CHANNEL_VERSION_5 NULL /* truncateProc */ #endif }; /********************************** Interface to vim **********************************/ static void tclupdatevars(void) { char varname[VARNAME_SIZE]; /* must be writeable */ char *name; strcpy(varname, VAR_RANGE1); Tcl_UpdateLinkedVar(tclinfo.interp, varname); strcpy(varname, VAR_RANGE2); Tcl_UpdateLinkedVar(tclinfo.interp, varname); strcpy(varname, VAR_RANGE3); Tcl_UpdateLinkedVar(tclinfo.interp, varname); strcpy(varname, VAR_LBASE); Tcl_UpdateLinkedVar(tclinfo.interp, varname); name = tclgetbuffer(tclinfo.interp, curbuf); strcpy(tclinfo.curbuf, name); strcpy(varname, VAR_CURBUF); Tcl_UpdateLinkedVar(tclinfo.interp, varname); name = tclgetwindow(tclinfo.interp, curwin); strcpy(tclinfo.curwin, name); strcpy(varname, VAR_CURWIN); Tcl_UpdateLinkedVar(tclinfo.interp, varname); } static int tclinit(exarg_T *eap) { char varname[VARNAME_SIZE]; /* Tcl_LinkVar requires writeable varname */ char *name; #ifdef DYNAMIC_TCL if (!tcl_enabled(TRUE)) { EMSG(_("E571: Sorry, this command is disabled: the Tcl library could not be loaded.")); return FAIL; } #endif if (!tclinfo.interp) { Tcl_Interp *interp; static Tcl_Channel ch1, ch2; /* Create replacement channels for stdout and stderr; this has to be * done each time an interpreter is created since the channels are closed * when the interpreter is deleted */ ch1 = Tcl_CreateChannel(&tcl_channel_type, "vimout", VIMOUT, TCL_WRITABLE); ch2 = Tcl_CreateChannel(&tcl_channel_type, "vimerr", VIMERR, TCL_WRITABLE); Tcl_SetStdChannel(ch1, TCL_STDOUT); Tcl_SetStdChannel(ch2, TCL_STDERR); interp = Tcl_CreateInterp(); Tcl_Preserve(interp); if (Tcl_Init(interp) == TCL_ERROR) { Tcl_Release(interp); Tcl_DeleteInterp(interp); return FAIL; } #if 0 /* VIM sure is interactive */ Tcl_SetVar(interp, "tcl_interactive", "1", TCL_GLOBAL_ONLY); #endif Tcl_SetChannelOption(interp, ch1, "-buffering", "line"); #ifdef WIN3264 Tcl_SetChannelOption(interp, ch1, "-translation", "lf"); #endif Tcl_SetChannelOption(interp, ch2, "-buffering", "line"); #ifdef WIN3264 Tcl_SetChannelOption(interp, ch2, "-translation", "lf"); #endif /* replace standard Tcl exit command */ Tcl_DeleteCommand(interp, "exit"); Tcl_CreateObjCommand(interp, "exit", exitcmd, (ClientData)NULL, (Tcl_CmdDeleteProc *)NULL); /* new commands, in ::vim namespace */ Tcl_CreateObjCommand(interp, "::vim::buffer", buffercmd, (ClientData)NULL, (Tcl_CmdDeleteProc *)NULL); Tcl_CreateObjCommand(interp, "::vim::window", windowcmd, (ClientData)NULL, (Tcl_CmdDeleteProc *)NULL); Tcl_CreateObjCommand(interp, "::vim::command", commandcmd, (ClientData)NULL, (Tcl_CmdDeleteProc *)NULL); Tcl_CreateObjCommand(interp, "::vim::beep", beepcmd, (ClientData)NULL, (Tcl_CmdDeleteProc *)NULL); Tcl_CreateObjCommand(interp, "::vim::option", optioncmd, (ClientData)NULL, (Tcl_CmdDeleteProc *)NULL); Tcl_CreateObjCommand(interp, "::vim::expr", exprcmd, (ClientData)NULL, (Tcl_CmdDeleteProc *)NULL); /* "lbase" variable */ tclinfo.lbase = 1; strcpy(varname, VAR_LBASE); Tcl_LinkVar(interp, varname, (char *)&tclinfo.lbase, TCL_LINK_INT); /* "range" variable */ tclinfo.range_start = eap->line1; strcpy(varname, VAR_RANGE1); Tcl_LinkVar(interp, varname, (char *)&tclinfo.range_start, TCL_LINK_INT|TCL_LINK_READ_ONLY); strcpy(varname, VAR_RANGE2); Tcl_LinkVar(interp, varname, (char *)&tclinfo.range_start, TCL_LINK_INT|TCL_LINK_READ_ONLY); tclinfo.range_end = eap->line2; strcpy(varname, VAR_RANGE3); Tcl_LinkVar(interp, varname, (char *)&tclinfo.range_end, TCL_LINK_INT|TCL_LINK_READ_ONLY); /* "current" variable */ tclinfo.curbuf = Tcl_Alloc(VARNAME_SIZE); tclinfo.curwin = Tcl_Alloc(VARNAME_SIZE); name = tclgetbuffer(interp, curbuf); strcpy(tclinfo.curbuf, name); strcpy(varname, VAR_CURBUF); Tcl_LinkVar(interp, varname, (char *)&tclinfo.curbuf, TCL_LINK_STRING|TCL_LINK_READ_ONLY); name = tclgetwindow(interp, curwin); strcpy(tclinfo.curwin, name); strcpy(varname, VAR_CURWIN); Tcl_LinkVar(interp, varname, (char *)&tclinfo.curwin, TCL_LINK_STRING|TCL_LINK_READ_ONLY); tclinfo.interp = interp; } else { /* Interpreter already exists, just update variables */ tclinfo.range_start = row2tcl(eap->line1); tclinfo.range_end = row2tcl(eap->line2); tclupdatevars(); } tclinfo.exitvalue = 0; return OK; } static void tclerrmsg(char *text) { char *next; while ((next=strchr(text, '\n'))) { *next++ = '\0'; EMSG(text); text = next; } if (*text) EMSG(text); } static void tclmsg(char *text) { char *next; while ((next=strchr(text, '\n'))) { *next++ = '\0'; MSG(text); text = next; } if (*text) MSG(text); } static void tcldelthisinterp(void) { if (!Tcl_InterpDeleted(tclinfo.interp)) Tcl_DeleteInterp(tclinfo.interp); Tcl_Release(tclinfo.interp); /* The interpreter is now gets deleted. All registered commands (esp. * window and buffer commands) are deleted, triggering their deletion * callback, which deletes all refs pointing to this interpreter. * We could garbage-collect the unused ref structs in all windows and * buffers, but unless the user creates hundreds of sub-interpreters * all referring to lots of windows and buffers, this is hardly worth * the effort. Unused refs are recycled by other interpreters, and * all refs are free'd when the window/buffer gets closed by vim. */ tclinfo.interp = NULL; Tcl_Free(tclinfo.curbuf); Tcl_Free(tclinfo.curwin); tclinfo.curbuf = tclinfo.curwin = NULL; } static int tclexit(int error) { int newerr = OK; if (Tcl_InterpDeleted(tclinfo.interp) /* True if we intercepted Tcl's exit command */ #if (TCL_MAJOR_VERSION == 8 && TCL_MINOR_VERSION >= 5) || TCL_MAJOR_VERSION > 8 || Tcl_LimitExceeded(tclinfo.interp) /* True if the interpreter cannot continue */ #endif ) { char buf[50]; sprintf(buf, _("E572: exit code %d"), tclinfo.exitvalue); tclerrmsg(buf); if (tclinfo.exitvalue == 0) { did_emsg = 0; newerr = OK; } else newerr = FAIL; tcldelthisinterp(); } else { char *result; result = (char *)Tcl_GetStringResult(tclinfo.interp); if (error == TCL_OK) { tclmsg(result); newerr = OK; } else { tclerrmsg(result); newerr = FAIL; } } return newerr; } /* * ":tcl" */ void ex_tcl(exarg_T *eap) { char_u *script; int err; script = script_get(eap, eap->arg); if (!eap->skip) { err = tclinit(eap); if (err == OK) { Tcl_AllowExceptions(tclinfo.interp); if (script == NULL) err = Tcl_Eval(tclinfo.interp, (char *)eap->arg); else err = Tcl_Eval(tclinfo.interp, (char *)script); err = tclexit(err); } } vim_free(script); } /* * ":tclfile" */ void ex_tclfile(exarg_T *eap) { char *file = (char *)eap->arg; int err; err = tclinit(eap); if (err == OK) { Tcl_AllowExceptions(tclinfo.interp); err = Tcl_EvalFile(tclinfo.interp, file); err = tclexit(err); } } /* * ":tcldo" */ void ex_tcldo(exarg_T *eap) { char *script, *line; int err, rs, re, lnum; char var_lnum[VARNAME_SIZE]; /* must be writeable memory */ char var_line[VARNAME_SIZE]; linenr_T first_line = 0; linenr_T last_line = 0; buf_T *was_curbuf = curbuf; rs = eap->line1; re = eap->line2; script = (char *)eap->arg; strcpy(var_lnum, VAR_CURLNUM); strcpy(var_line, VAR_CURLINE); err = tclinit(eap); if (err != OK) return; lnum = row2tcl(rs); Tcl_LinkVar(tclinfo.interp, var_lnum, (char *)&lnum, TCL_LINK_INT|TCL_LINK_READ_ONLY); err = TCL_OK; if (u_save((linenr_T)(rs-1), (linenr_T)(re+1)) != OK) { Tcl_SetResult(tclinfo.interp, _("cannot save undo information"), TCL_STATIC); err = TCL_ERROR; } while (err == TCL_OK && rs <= re) { if ((linenr_T)rs > curbuf->b_ml.ml_line_count) break; line = (char *)ml_get_buf(curbuf, (linenr_T)rs, FALSE); if (!line) { Tcl_SetResult(tclinfo.interp, _("cannot get line"), TCL_STATIC); err = TCL_ERROR; break; } Tcl_SetVar(tclinfo.interp, var_line, line, 0); Tcl_AllowExceptions(tclinfo.interp); err = Tcl_Eval(tclinfo.interp, script); if (err != TCL_OK || Tcl_InterpDeleted(tclinfo.interp) #if (TCL_MAJOR_VERSION == 8 && TCL_MINOR_VERSION >= 5) || TCL_MAJOR_VERSION > 8 || Tcl_LimitExceeded(tclinfo.interp) #endif || curbuf != was_curbuf) break; line = (char *)Tcl_GetVar(tclinfo.interp, var_line, 0); if (line) { if (ml_replace((linenr_T)rs, (char_u *)line, TRUE) != OK) { Tcl_SetResult(tclinfo.interp, _("cannot replace line"), TCL_STATIC); err = TCL_ERROR; break; } if (first_line == 0) first_line = rs; last_line = rs; } ++rs; ++lnum; Tcl_UpdateLinkedVar(tclinfo.interp, var_lnum); } if (first_line) changed_lines(first_line, 0, last_line + 1, (long)0); Tcl_UnsetVar(tclinfo.interp, var_line, 0); Tcl_UnlinkVar(tclinfo.interp, var_lnum); if (err == TCL_OK) Tcl_ResetResult(tclinfo.interp); (void)tclexit(err); } static void tcldelallrefs(struct ref *ref) { struct ref *next; int err; char *result; #ifdef DYNAMIC_TCL /* TODO: this code currently crashes Vim on exit */ if (exiting) return; #endif while (ref != NULL) { next = ref->next; if (ref->interp) { if (ref->delcmd) { err = Tcl_GlobalEvalObj(ref->interp, ref->delcmd); if (err != TCL_OK) { result = (char *)Tcl_GetStringResult(ref->interp); if (result) tclerrmsg(result); } Tcl_DecrRefCount(ref->delcmd); ref->delcmd = NULL; } Tcl_DeleteCommandFromToken(ref->interp, ref->cmd); } Tcl_Free((char *)ref); ref = next; } } void tcl_buffer_free(buf_T *buf) { struct ref *reflist; #ifdef DYNAMIC_TCL if (!stubs_initialized) /* Not using Tcl, nothing to do. */ return; #endif reflist = (struct ref *)(buf->b_tcl_ref); if (reflist != &refsdeleted) { buf->b_tcl_ref = (void *)&refsdeleted; tcldelallrefs(reflist); buf->b_tcl_ref = NULL; } } void tcl_window_free(win_T *win) { struct ref *reflist; #ifdef DYNAMIC_TCL if (!stubs_initialized) /* Not using Tcl, nothing to do. */ return; #endif reflist = (struct ref*)(win->w_tcl_ref); if (reflist != &refsdeleted) { win->w_tcl_ref = (void *)&refsdeleted; tcldelallrefs(reflist); win->w_tcl_ref = NULL; } } /* The End */