Mercurial > vim
annotate src/if_tcl.c @ 16819:91619e48e1a7 v8.1.1411
patch 8.1.1411: Coverity warns for divide by zero
commit https://github.com/vim/vim/commit/7833dab73c658e65f38553af89fd60c57a11ef49
Author: Bram Moolenaar <Bram@vim.org>
Date: Mon May 27 22:01:40 2019 +0200
patch 8.1.1411: Coverity warns for divide by zero
Problem: Coverity warns for divide by zero.
Solution: Make sure width is larger than zero.
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Mon, 27 May 2019 22:15:05 +0200 |
| parents | cd5c83115ec6 |
| children | f0f9692d4487 |
| rev | line source |
|---|---|
|
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commit https://github.com/vim/vim/commit/edf3f97ae2af024708ebb4ac614227327033ca47
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1 /* vi:set ts=8 sts=4 sw=4 noet: |
| 7 | 2 * |
| 3 * VIM - Vi IMproved by Bram Moolenaar | |
| 4 * | |
| 5 * Do ":help uganda" in Vim to read copying and usage conditions. | |
| 6 * Do ":help credits" in Vim to see a list of people who contributed. | |
| 7 * See README.txt for an overview of the Vim source code. | |
| 8 */ | |
| 9 | |
| 10 /* | |
| 11 * Tcl extensions by Ingo Wilken <Ingo.Wilken@informatik.uni-oldenburg.de> | |
| 12 * Last modification: Wed May 10 21:28:44 CEST 2000 | |
| 13 * Requires Tcl 8.0 or higher. | |
| 14 * | |
| 15 * Variables: | |
| 16 * ::vim::current(buffer) # Name of buffer command for current buffer. | |
| 17 * ::vim::current(window) # Name of window command for current window. | |
| 18 * ::vim::range(start) # Start of current range (line number). | |
| 19 * ::vim::range(end) # End of current range (line number). | |
| 20 * ::vim::lbase # Start of line/column numbers (1 or 0). | |
| 21 * | |
| 22 * Commands: | |
| 23 * ::vim::command {cmd} # Execute ex command {cmd}. | |
| 24 * ::vim::option {opt} [val] # Get/Set option {opt}. | |
| 25 * ::vim::expr {expr} # Evaluate {expr} using vim's evaluator. | |
| 26 * ::vim::beep # Guess. | |
| 27 * | |
| 28 * set buf [::vim::buffer {n}] # Create Tcl command for buffer N. | |
| 29 * set bl [::vim::buffer list] # Get list of Tcl commands of all buffers. | |
| 30 * ::vim::buffer exists {n} # True if buffer {n} exists. | |
| 31 * | |
| 32 * set wl [::vim::window list] # Get list of Tcl commands of all windows. | |
| 33 * | |
| 34 * set n [$win height] # Report window height. | |
| 35 * $win height {n} # Set window height to {n}. | |
| 36 * array set pos [$win cursor] # Get cursor position. | |
| 37 * $win cursor {row} {col} # Set cursor position. | |
| 38 * $win cursor pos # Set cursor position from array var "pos" | |
| 39 * $win delcmd {cmd} # Register callback command for closed window. | |
| 40 * $win option {opt} [val] # Get/Set vim option in context of $win. | |
| 41 * $win command {cmd} # Execute ex command in context of $win. | |
| 42 * $win expr {expr} # Evaluate vim expression in context of $win. | |
| 43 * set buf [$win buffer] # Create Tcl command for window's buffer. | |
| 44 * | |
| 45 * $buf name # Reports file name in buffer. | |
| 46 * $buf number # Reports buffer number. | |
| 47 * set l [$buf get {n}] # Get buffer line {n} as a string. | |
| 48 * set L [$buf get {n} {m}] # Get lines {n} through {m} as a list. | |
| 49 * $buf count # Reports number of lines in buffer. | |
| 50 * $buf last # Reports number of last line in buffer. | |
| 51 * $buf delete {n} # Delete line {n}. | |
| 52 * $buf delete {n} {m} # Delete lines {n} through {m}. | |
| 53 * $buf set {n} {l} # Set line {n} to string {l}. | |
| 54 * $buf set {n} {m} {L} # Set lines {n} through {m} from list {L}. | |
| 55 * # Delete/inserts lines as appropriate. | |
| 56 * $buf option {opt} [val] # Get/Set vim option in context of $buf. | |
| 57 * $buf command {cmd} # Execute ex command in context of $buf | |
| 58 * $buf expr {cmd} # Evaluate vim expression in context of $buf. | |
| 59 * array set pos [$buf mark {m}] # Get position of mark. | |
| 60 * $buf append {n} {str} # Append string {str} to buffer,after line {n}. | |
| 61 * $buf insert {n} {str} # Insert string {str} in buffer as line {n}. | |
| 62 * $buf delcmd {cmd} # Register callback command for deleted buffer. | |
| 63 * set wl [$buf windows] # Get list of Tcl commands for all windows of | |
| 64 * # this buffer. | |
| 65 TODO: | |
| 66 * ::vim::buffer new # create new buffer + Tcl command | |
| 67 */ | |
| 68 | |
| 69 #include "vim.h" | |
| 70 #undef EXTERN /* tcl.h defines it too */ | |
| 71 | |
| 72 #ifdef DYNAMIC_TCL | |
| 73 # define USE_TCL_STUBS /* use tcl's stubs mechanism */ | |
| 74 #endif | |
| 75 | |
| 76 #include <tcl.h> | |
| 77 #include <string.h> | |
| 78 | |
| 79 typedef struct | |
| 80 { | |
| 81 Tcl_Interp *interp; | |
| 3369 | 82 int exitvalue; |
| 7 | 83 int range_start, range_end; |
| 84 int lbase; | |
| 85 char *curbuf, *curwin; | |
| 86 } tcl_info; | |
| 87 | |
| 3369 | 88 static tcl_info tclinfo = { NULL, 0, 0, 0, 0, NULL, NULL }; |
| 7 | 89 |
| 90 #define VAR_RANGE1 "::vim::range(start)" | |
| 91 #define VAR_RANGE2 "::vim::range(begin)" | |
| 92 #define VAR_RANGE3 "::vim::range(end)" | |
| 93 #define VAR_CURBUF "::vim::current(buffer)" | |
| 94 #define VAR_CURWIN "::vim::current(window)" | |
| 95 #define VAR_LBASE "::vim::lbase" | |
| 96 #define VAR_CURLINE "line" | |
| 97 #define VAR_CURLNUM "lnum" | |
| 98 #define VARNAME_SIZE 64 | |
| 99 | |
| 100 #define row2tcl(x) ((x) - (tclinfo.lbase==0)) | |
| 101 #define row2vim(x) ((x) + (tclinfo.lbase==0)) | |
| 102 #define col2tcl(x) ((x) + (tclinfo.lbase!=0)) | |
| 103 #define col2vim(x) ((x) - (tclinfo.lbase!=0)) | |
| 104 | |
| 105 | |
| 106 #define VIMOUT ((ClientData)1) | |
| 107 #define VIMERR ((ClientData)2) | |
| 108 | |
| 135 | 109 /* This appears to be new in Tcl 8.4. */ |
| 110 #ifndef CONST84 | |
| 111 # define CONST84 | |
| 112 #endif | |
| 113 | |
| 7 | 114 /* |
| 115 * List of Tcl interpreters who reference a vim window or buffer. | |
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116 * Each buffer and window has its own list in the w_tcl_ref or b_tcl_ref |
| 502 | 117 * struct member. We need this because Tcl can create sub-interpreters with |
| 118 * the "interp" command, and each interpreter can reference all windows and | |
| 119 * buffers. | |
| 7 | 120 */ |
| 121 struct ref | |
| 122 { | |
| 123 struct ref *next; | |
| 124 | |
| 125 Tcl_Interp *interp; | |
| 126 Tcl_Command cmd; /* Tcl command that represents this object */ | |
| 127 Tcl_Obj *delcmd; /* Tcl command to call when object is being del. */ | |
| 128 void *vimobj; /* Vim window or buffer (win_T* or buf_T*) */ | |
| 129 }; | |
| 130 static char * tclgetbuffer _ANSI_ARGS_((Tcl_Interp *interp, buf_T *buf)); | |
| 131 static char * tclgetwindow _ANSI_ARGS_((Tcl_Interp *interp, win_T *win)); | |
| 132 static int tclsetdelcmd _ANSI_ARGS_((Tcl_Interp *interp, struct ref *reflist, void *vimobj, Tcl_Obj *delcmd)); | |
| 133 static int tclgetlinenum _ANSI_ARGS_ ((Tcl_Interp *interp, Tcl_Obj *obj, int *valueP, buf_T *buf)); | |
| 134 static win_T *tclfindwin _ANSI_ARGS_ ((buf_T *buf)); | |
| 135 static int tcldoexcommand _ANSI_ARGS_ ((Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[], int objn)); | |
| 136 static int tclsetoption _ANSI_ARGS_ ((Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[], int objn)); | |
| 137 static int tclvimexpr _ANSI_ARGS_ ((Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[], int objn)); | |
| 138 static void tcldelthisinterp _ANSI_ARGS_ ((void)); | |
| 139 | |
| 140 static int vimerror _ANSI_ARGS_((Tcl_Interp *interp)); | |
| 141 static void tclmsg _ANSI_ARGS_((char *text)); | |
| 142 static void tclerrmsg _ANSI_ARGS_((char *text)); | |
| 143 static void tclupdatevars _ANSI_ARGS_((void)); | |
| 144 | |
| 145 static struct ref refsdeleted; /* dummy object for deleted ref list */ | |
| 146 | |
| 147 /***************************************************************************** | |
| 148 * TCL interface manager | |
| 149 ****************************************************************************/ | |
| 150 | |
| 151 #if defined(DYNAMIC_TCL) || defined(PROTO) | |
| 152 # ifndef DYNAMIC_TCL_DLL | |
| 153 # define DYNAMIC_TCL_DLL "tcl83.dll" | |
| 154 # endif | |
| 155 # ifndef DYNAMIC_TCL_VER | |
| 156 # define DYNAMIC_TCL_VER "8.3" | |
| 157 # endif | |
| 158 | |
| 159 # ifndef DYNAMIC_TCL /* Just generating prototypes */ | |
| 160 typedef int HANDLE; | |
| 161 # endif | |
| 162 | |
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163 # ifndef MSWIN |
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164 # include <dlfcn.h> |
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165 # define HANDLE void* |
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166 # define TCL_PROC void* |
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167 # define load_dll(n) dlopen((n), RTLD_LAZY|RTLD_GLOBAL) |
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168 # define symbol_from_dll dlsym |
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169 # define close_dll dlclose |
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170 # else |
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171 # define TCL_PROC FARPROC |
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172 # define load_dll vimLoadLib |
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173 # define symbol_from_dll GetProcAddress |
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174 # define close_dll FreeLibrary |
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175 # endif |
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176 |
| 7 | 177 /* |
| 1890 | 178 * Declare HANDLE for tcl.dll and function pointers. |
| 7 | 179 */ |
| 180 static HANDLE hTclLib = NULL; | |
| 181 Tcl_Interp* (*dll_Tcl_CreateInterp)(); | |
| 5390 | 182 void (*dll_Tcl_FindExecutable)(const void *); |
| 7 | 183 |
| 184 /* | |
| 185 * Table of name to function pointer of tcl. | |
| 186 */ | |
| 187 static struct { | |
| 188 char* name; | |
| 189 TCL_PROC* ptr; | |
| 190 } tcl_funcname_table[] = { | |
| 191 {"Tcl_CreateInterp", (TCL_PROC*)&dll_Tcl_CreateInterp}, | |
| 5390 | 192 {"Tcl_FindExecutable", (TCL_PROC*)&dll_Tcl_FindExecutable}, |
| 7 | 193 {NULL, NULL}, |
| 194 }; | |
| 195 | |
| 196 /* | |
| 197 * Make all runtime-links of tcl. | |
| 198 * | |
| 199 * 1. Get module handle using LoadLibraryEx. | |
| 1890 | 200 * 2. Get pointer to tcl function by GetProcAddress. |
| 7 | 201 * 3. Repeat 2, until get all functions will be used. |
| 202 * | |
| 203 * Parameter 'libname' provides name of DLL. | |
| 204 * Return OK or FAIL. | |
| 205 */ | |
| 206 static int | |
| 207 tcl_runtime_link_init(char *libname, int verbose) | |
| 208 { | |
| 209 int i; | |
| 210 | |
| 211 if (hTclLib) | |
| 212 return OK; | |
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213 if (!(hTclLib = load_dll(libname))) |
| 7 | 214 { |
| 215 if (verbose) | |
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216 semsg(_(e_loadlib), libname); |
| 7 | 217 return FAIL; |
| 218 } | |
| 219 for (i = 0; tcl_funcname_table[i].ptr; ++i) | |
| 220 { | |
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221 if (!(*tcl_funcname_table[i].ptr = symbol_from_dll(hTclLib, |
| 7 | 222 tcl_funcname_table[i].name))) |
| 223 { | |
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224 close_dll(hTclLib); |
| 7 | 225 hTclLib = NULL; |
| 226 if (verbose) | |
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227 semsg(_(e_loadfunc), tcl_funcname_table[i].name); |
| 7 | 228 return FAIL; |
| 229 } | |
| 230 } | |
| 231 return OK; | |
| 232 } | |
| 233 #endif /* defined(DYNAMIC_TCL) || defined(PROTO) */ | |
| 234 | |
| 235 #ifdef DYNAMIC_TCL | |
| 236 static char *find_executable_arg = NULL; | |
| 237 #endif | |
| 238 | |
| 239 void | |
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240 vim_tcl_init(char *arg) |
| 7 | 241 { |
| 242 #ifndef DYNAMIC_TCL | |
| 243 Tcl_FindExecutable(arg); | |
| 244 #else | |
| 245 find_executable_arg = arg; | |
| 246 #endif | |
| 247 } | |
| 248 | |
| 249 #if defined(DYNAMIC_TCL) || defined(PROTO) | |
| 250 | |
| 251 static int stubs_initialized = FALSE; | |
| 252 | |
| 253 /* | |
| 254 * Return TRUE if the TCL interface can be used. | |
| 255 */ | |
| 256 int | |
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257 tcl_enabled(int verbose) |
| 7 | 258 { |
| 259 if (!stubs_initialized && find_executable_arg != NULL | |
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260 && tcl_runtime_link_init((char *)p_tcldll, verbose) == OK) |
| 7 | 261 { |
| 262 Tcl_Interp *interp; | |
| 263 | |
| 5390 | 264 dll_Tcl_FindExecutable(find_executable_arg); |
| 265 | |
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266 if ((interp = dll_Tcl_CreateInterp()) != NULL) |
| 7 | 267 { |
| 268 if (Tcl_InitStubs(interp, DYNAMIC_TCL_VER, 0)) | |
| 269 { | |
| 270 Tcl_DeleteInterp(interp); | |
| 271 stubs_initialized = TRUE; | |
| 272 } | |
| 273 /* FIXME: When Tcl_InitStubs() was failed, how delete interp? */ | |
| 274 } | |
| 275 } | |
| 276 return stubs_initialized; | |
| 277 } | |
| 278 #endif | |
| 279 | |
| 280 void | |
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281 tcl_end(void) |
| 7 | 282 { |
| 283 #ifdef DYNAMIC_TCL | |
| 284 if (hTclLib) | |
| 285 { | |
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286 close_dll(hTclLib); |
| 7 | 287 hTclLib = NULL; |
| 288 } | |
| 289 #endif | |
| 290 } | |
| 291 | |
| 292 /**************************************************************************** | |
| 293 Tcl commands | |
| 294 ****************************************************************************/ | |
| 295 | |
| 296 /* | |
| 3369 | 297 * Replace standard "exit" command. |
| 7 | 298 * |
| 3369 | 299 * Delete the Tcl interpreter; a new one will be created with the next |
| 300 * :tcl command). The exit code is saved (and retrieved in tclexit()). | |
| 301 * Since Tcl's exit is never expected to return and this replacement | |
| 302 * does, then (except for a trivial case) additional Tcl commands will | |
| 303 * be run. Since the interpreter is now marked as deleted, an error | |
| 304 * will be returned -- typically "attempt to call eval in deleted | |
| 305 * interpreter". Hopefully, at this point, checks for TCL_ERROR take | |
| 306 * place and control percolates back up to Vim -- but with this new error | |
| 307 * string in the interpreter's result value. Therefore it would be | |
| 308 * useless for this routine to return the exit code via Tcl_SetResult(). | |
| 7 | 309 */ |
| 310 static int | |
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311 exitcmd( |
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312 ClientData dummy UNUSED, |
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313 Tcl_Interp *interp, |
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314 int objc, |
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315 Tcl_Obj *CONST objv[]) |
| 7 | 316 { |
| 317 int value = 0; | |
| 318 | |
| 319 switch (objc) | |
| 320 { | |
| 321 case 2: | |
| 322 if (Tcl_GetIntFromObj(interp, objv[1], &value) != TCL_OK) | |
| 323 break; | |
| 324 /* FALLTHROUGH */ | |
| 325 case 1: | |
| 3369 | 326 tclinfo.exitvalue = value; |
| 327 | |
| 328 Tcl_DeleteInterp(interp); | |
| 329 break; | |
| 7 | 330 default: |
| 331 Tcl_WrongNumArgs(interp, 1, objv, "?returnCode?"); | |
| 332 } | |
| 333 return TCL_ERROR; | |
| 334 } | |
| 335 | |
| 336 /* | |
| 337 * "::vim::beep" - what Vi[m] does best :-) | |
| 338 */ | |
| 339 static int | |
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340 beepcmd( |
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341 ClientData dummy UNUSED, |
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342 Tcl_Interp *interp, |
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343 int objc, |
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344 Tcl_Obj *CONST objv[]) |
| 7 | 345 { |
| 346 if (objc != 1) | |
| 347 { | |
| 348 Tcl_WrongNumArgs(interp, 1, objv, NULL); | |
| 349 return TCL_ERROR; | |
| 350 } | |
| 6949 | 351 vim_beep(BO_LANG); |
| 7 | 352 return TCL_OK; |
| 353 } | |
| 354 | |
| 355 /* | |
| 356 * "::vim::buffer list" - create a list of buffer commands. | |
| 1222 | 357 * "::vim::buffer {N}" - create buffer command for buffer N. |
| 3369 | 358 * "::vim::buffer exists {N}" - test if buffer N exists. |
| 7 | 359 * "::vim::buffer new" - create a new buffer (not implemented) |
| 360 */ | |
| 361 static int | |
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362 buffercmd( |
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363 ClientData dummy UNUSED, |
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364 Tcl_Interp *interp, |
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365 int objc, |
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366 Tcl_Obj *CONST objv[]) |
| 7 | 367 { |
| 368 char *name; | |
| 369 buf_T *buf; | |
| 370 Tcl_Obj *resobj; | |
| 371 int err, n, idx; | |
| 372 enum {BCMD_EXISTS, BCMD_LIST}; | |
| 135 | 373 static CONST84 char *bcmdoptions[] = |
| 7 | 374 { |
| 375 "exists", "list", (char *)0 | |
| 376 }; | |
| 377 | |
| 378 if (objc < 2) | |
| 379 { | |
| 380 Tcl_WrongNumArgs(interp, 1, objv, "option"); | |
| 381 return TCL_ERROR; | |
| 382 } | |
| 383 err = Tcl_GetIntFromObj(interp, objv[1], &n); | |
| 384 if (err == TCL_OK) | |
| 385 { | |
| 386 if (objc != 2) | |
| 387 { | |
| 388 Tcl_WrongNumArgs(interp, 1, objv, "bufNumber"); | |
| 389 return TCL_ERROR; | |
| 390 } | |
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391 FOR_ALL_BUFFERS(buf) |
| 7 | 392 { |
| 393 if (buf->b_fnum == n) | |
| 394 { | |
| 395 name = tclgetbuffer(interp, buf); | |
| 396 if (name == NULL) | |
| 397 return TCL_ERROR; | |
| 398 Tcl_SetResult(interp, name, TCL_VOLATILE); | |
| 399 return TCL_OK; | |
| 400 } | |
| 401 } | |
| 402 Tcl_SetResult(interp, _("invalid buffer number"), TCL_STATIC); | |
| 403 return TCL_ERROR; | |
| 404 } | |
| 405 Tcl_ResetResult(interp); /* clear error from Tcl_GetIntFromObj */ | |
| 406 | |
| 407 err = Tcl_GetIndexFromObj(interp, objv[1], bcmdoptions, "option", 0, &idx); | |
| 408 if (err != TCL_OK) | |
| 409 return err; | |
| 410 switch (idx) | |
| 411 { | |
| 412 case BCMD_LIST: | |
| 413 if (objc != 2) | |
| 414 { | |
| 415 Tcl_WrongNumArgs(interp, 2, objv, ""); | |
| 416 err = TCL_ERROR; | |
| 417 break; | |
| 418 } | |
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419 FOR_ALL_BUFFERS(buf) |
| 7 | 420 { |
| 421 name = tclgetbuffer(interp, buf); | |
| 422 if (name == NULL) | |
| 423 { | |
| 424 err = TCL_ERROR; | |
| 425 break; | |
| 426 } | |
| 427 Tcl_AppendElement(interp, name); | |
| 428 } | |
| 429 break; | |
| 430 | |
| 431 case BCMD_EXISTS: | |
| 432 if (objc != 3) | |
| 433 { | |
| 434 Tcl_WrongNumArgs(interp, 2, objv, "bufNumber"); | |
| 435 err = TCL_ERROR; | |
| 436 break; | |
| 437 } | |
| 438 err = Tcl_GetIntFromObj(interp, objv[2], &n); | |
| 439 if (err == TCL_OK) | |
| 440 { | |
| 441 buf = buflist_findnr(n); | |
| 442 resobj = Tcl_NewIntObj(buf != NULL); | |
| 443 Tcl_SetObjResult(interp, resobj); | |
| 444 } | |
| 445 break; | |
| 446 | |
| 447 default: | |
| 448 Tcl_SetResult(interp, _("not implemented yet"), TCL_STATIC); | |
| 449 err = TCL_ERROR; | |
| 450 } | |
| 451 return err; | |
| 452 } | |
| 453 | |
| 454 /* | |
| 455 * "::vim::window list" - create list of window commands. | |
| 456 */ | |
| 457 static int | |
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458 windowcmd( |
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459 ClientData dummy UNUSED, |
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460 Tcl_Interp *interp, |
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461 int objc, |
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462 Tcl_Obj *CONST objv[]) |
| 7 | 463 { |
| 464 char *what, *string; | |
| 465 win_T *win; | |
| 466 | |
| 467 if (objc != 2) | |
| 468 { | |
| 469 Tcl_WrongNumArgs(interp, 1, objv, "option"); | |
| 470 return TCL_ERROR; | |
| 471 } | |
| 472 what = Tcl_GetStringFromObj(objv[1], NULL); | |
| 473 if (strcmp(what, "list") == 0) | |
| 474 { | |
| 475 FOR_ALL_WINDOWS(win) | |
| 476 { | |
| 477 string = tclgetwindow(interp, win); | |
| 478 if (string == NULL) | |
| 479 return TCL_ERROR; | |
| 480 Tcl_AppendElement(interp, string); | |
| 481 } | |
| 482 return TCL_OK; | |
| 483 } | |
| 484 Tcl_SetResult(interp, _("unknown option"), TCL_STATIC); | |
| 485 return TCL_ERROR; | |
| 486 } | |
| 487 | |
| 488 /* | |
| 489 * flags for bufselfcmd and winselfcmd to indicate outstanding actions. | |
| 490 */ | |
| 491 #define FL_UPDATE_SCREEN (1<<0) | |
| 492 #define FL_UPDATE_CURBUF (1<<1) | |
| 493 #define FL_ADJUST_CURSOR (1<<2) | |
| 494 | |
| 495 /* | |
| 496 * This function implements the buffer commands. | |
| 497 */ | |
| 498 static int | |
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499 bufselfcmd( |
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500 ClientData ref, |
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501 Tcl_Interp *interp, |
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502 int objc, |
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503 Tcl_Obj *CONST objv[]) |
| 7 | 504 { |
| 505 int opt, err, idx, flags; | |
| 506 int val1, val2, n, i; | |
| 507 buf_T *buf, *savebuf; | |
| 508 win_T *win, *savewin; | |
| 509 Tcl_Obj *resobj; | |
| 510 pos_T *pos; | |
| 511 char *line; | |
| 512 | |
| 513 enum | |
| 514 { | |
| 515 BUF_APPEND, BUF_COMMAND, BUF_COUNT, BUF_DELCMD, BUF_DELETE, BUF_EXPR, | |
| 516 BUF_GET, BUF_INSERT, BUF_LAST, BUF_MARK, BUF_NAME, BUF_NUMBER, | |
| 517 BUF_OPTION, BUF_SET, BUF_WINDOWS | |
| 518 }; | |
| 135 | 519 static CONST84 char *bufoptions[] = |
| 7 | 520 { |
| 521 "append", "command", "count", "delcmd", "delete", "expr", | |
| 522 "get", "insert", "last", "mark", "name", "number", | |
| 523 "option", "set", "windows", (char *)0 | |
| 524 }; | |
| 525 | |
| 526 if (objc < 2) | |
| 527 { | |
| 528 Tcl_WrongNumArgs(interp, 1, objv, "option ?arg ...?"); | |
| 529 return TCL_ERROR; | |
| 530 } | |
| 531 | |
| 532 err = Tcl_GetIndexFromObj(interp, objv[1], bufoptions, "option", 0, &idx); | |
| 533 if (err != TCL_OK) | |
| 534 return err; | |
| 535 | |
| 536 buf = (buf_T *)((struct ref *)ref)->vimobj; | |
| 537 savebuf = curbuf; curbuf = buf; | |
| 538 savewin = curwin; curwin = tclfindwin(buf); | |
| 539 flags = 0; | |
| 540 opt = 0; | |
| 541 | |
| 542 switch (idx) | |
| 543 { | |
| 544 case BUF_COMMAND: | |
| 545 err = tcldoexcommand(interp, objc, objv, 2); | |
| 546 flags |= FL_UPDATE_SCREEN; | |
| 547 break; | |
| 548 | |
| 549 case BUF_OPTION: | |
| 550 err = tclsetoption(interp, objc, objv, 2); | |
| 551 flags |= FL_UPDATE_SCREEN; | |
| 552 break; | |
| 553 | |
| 554 case BUF_EXPR: | |
| 555 err = tclvimexpr(interp, objc, objv, 2); | |
| 556 break; | |
| 557 | |
| 558 case BUF_NAME: | |
| 559 /* | |
| 560 * Get filename of buffer. | |
| 561 */ | |
| 562 if (objc != 2) | |
| 563 { | |
| 564 Tcl_WrongNumArgs(interp, 2, objv, NULL); | |
| 565 err = TCL_ERROR; | |
| 566 break; | |
| 567 } | |
| 568 if (buf->b_ffname) | |
| 569 Tcl_SetResult(interp, (char *)buf->b_ffname, TCL_VOLATILE); | |
| 570 else | |
| 571 Tcl_SetResult(interp, "", TCL_STATIC); | |
| 572 break; | |
| 573 | |
| 574 case BUF_LAST: | |
| 575 /* | |
| 576 * Get line number of last line. | |
| 577 */ | |
| 578 opt = 1; | |
| 579 /* fallthrough */ | |
| 580 case BUF_COUNT: | |
| 581 /* | |
| 582 * Get number of lines in buffer. | |
| 583 */ | |
| 584 if (objc != 2) | |
| 585 { | |
| 586 Tcl_WrongNumArgs(interp, 2, objv, NULL); | |
| 587 err = TCL_ERROR; | |
| 588 break; | |
| 589 } | |
| 590 val1 = (int)buf->b_ml.ml_line_count; | |
| 591 if (opt) | |
| 592 val1 = row2tcl(val1); | |
| 593 | |
| 594 resobj = Tcl_NewIntObj(val1); | |
| 595 Tcl_SetObjResult(interp, resobj); | |
| 596 break; | |
| 597 | |
| 598 case BUF_NUMBER: | |
| 599 /* | |
| 600 * Get buffer's number. | |
| 601 */ | |
| 602 if (objc != 2) | |
| 603 { | |
| 604 Tcl_WrongNumArgs(interp, 2, objv, NULL); | |
| 605 err = TCL_ERROR; | |
| 606 break; | |
| 607 } | |
| 608 resobj = Tcl_NewIntObj((int)buf->b_fnum); | |
| 609 Tcl_SetObjResult(interp, resobj); | |
| 610 break; | |
| 611 | |
| 612 case BUF_GET: | |
| 613 if (objc != 3 && objc != 4) | |
| 614 { | |
| 615 Tcl_WrongNumArgs(interp, 2, objv, "lineNumber ?lineNumber?"); | |
| 616 err = TCL_ERROR; | |
| 617 break; | |
| 618 } | |
| 619 err = tclgetlinenum(interp, objv[2], &val1, buf); | |
| 620 if (err != TCL_OK) | |
| 621 break; | |
| 622 if (objc == 4) | |
| 623 { | |
| 624 err = tclgetlinenum(interp, objv[3], &val2, buf); | |
| 625 if (err != TCL_OK) | |
| 626 break; | |
| 627 if (val1 > val2) | |
| 628 { | |
| 629 n = val1; val1 = val2; val2 = n; | |
| 630 } | |
| 631 Tcl_ResetResult(interp); | |
| 632 | |
| 633 for (n = val1; n <= val2 && err == TCL_OK; n++) | |
| 634 { | |
| 635 line = (char *)ml_get_buf(buf, (linenr_T)n, FALSE); | |
| 636 if (line) | |
| 637 Tcl_AppendElement(interp, line); | |
| 638 else | |
| 639 err = TCL_ERROR; | |
| 640 } | |
| 641 } | |
| 642 else { /* objc == 3 */ | |
| 643 line = (char *)ml_get_buf(buf, (linenr_T)val1, FALSE); | |
| 644 Tcl_SetResult(interp, line, TCL_VOLATILE); | |
| 645 } | |
| 646 break; | |
| 647 | |
| 648 case BUF_SET: | |
| 649 if (objc != 4 && objc != 5) | |
| 650 { | |
| 651 Tcl_WrongNumArgs(interp, 3, objv, "lineNumber ?lineNumber? stringOrList"); | |
| 652 err = TCL_ERROR; | |
| 653 break; | |
| 654 } | |
| 655 err = tclgetlinenum(interp, objv[2], &val1, buf); | |
| 656 if (err != TCL_OK) | |
| 657 return TCL_ERROR; | |
| 658 if (objc == 4) | |
| 659 { | |
| 660 /* | |
| 661 * Replace one line with a string. | |
| 662 * $buf set {n} {string} | |
| 663 */ | |
| 664 line = Tcl_GetStringFromObj(objv[3], NULL); | |
| 665 if (u_savesub((linenr_T)val1) != OK) | |
| 666 { | |
| 667 Tcl_SetResult(interp, _("cannot save undo information"), TCL_STATIC); | |
| 668 err = TCL_ERROR; | |
| 669 } | |
| 670 else | |
| 671 if (ml_replace((linenr_T)val1, (char_u *)line, TRUE) != OK) | |
| 672 { | |
| 673 Tcl_SetResult(interp, _("cannot replace line"), TCL_STATIC); | |
| 674 err = TCL_ERROR; | |
| 675 } | |
| 676 else | |
| 677 { | |
| 678 changed_bytes((linenr_T)val1, 0); | |
| 679 flags |= FL_UPDATE_CURBUF; | |
| 680 } | |
| 681 break; | |
| 682 } | |
| 683 else | |
| 684 { | |
| 685 /* | |
| 686 * Replace several lines with the elements of a Tcl list. | |
| 687 * $buf set {n} {m} {list} | |
| 688 * If the list contains more than {m}-{n}+1 elements, they | |
| 689 * are * inserted after line {m}. If the list contains fewer | |
| 690 * elements, * the lines from {n}+length({list}) through {m} | |
| 691 * are deleted. | |
| 692 */ | |
| 693 int lc; | |
| 694 Tcl_Obj **lv; | |
| 695 | |
| 696 err = tclgetlinenum(interp, objv[3], &val2, buf); | |
| 697 if (err != TCL_OK) | |
| 698 break; | |
| 699 err = Tcl_ListObjGetElements(interp, objv[4], &lc, &lv); | |
| 700 if (err != TCL_OK) | |
| 701 break; | |
| 702 if (val1 > val2) | |
| 703 { | |
| 704 n = val1; | |
| 705 val1 = val2; | |
| 706 val2 = n; | |
| 707 } | |
| 708 | |
| 709 n = val1; | |
| 710 if (u_save((linenr_T)(val1 - 1), (linenr_T)(val2 + 1)) != OK) | |
| 711 { | |
| 712 Tcl_SetResult(interp, _("cannot save undo information"), | |
| 713 TCL_STATIC); | |
| 714 err = TCL_ERROR; | |
| 715 break; | |
| 716 } | |
| 717 flags |= FL_UPDATE_CURBUF; | |
| 718 | |
| 719 for (i = 0; i < lc && n <= val2; i++) | |
| 720 { | |
| 721 line = Tcl_GetStringFromObj(lv[i], NULL); | |
| 722 if (ml_replace((linenr_T)n, (char_u *)line, TRUE) != OK) | |
| 723 goto setListError; | |
| 724 ++n; | |
| 725 } | |
| 726 if (i < lc) | |
| 727 { | |
| 728 /* append lines */ | |
| 729 do | |
| 730 { | |
| 731 line = Tcl_GetStringFromObj(lv[i], NULL); | |
| 732 if (ml_append((linenr_T)(n - 1), | |
| 733 (char_u *)line, 0, FALSE) != OK) | |
| 734 goto setListError; | |
| 735 ++n; | |
| 736 ++i; | |
| 737 } while (i < lc); | |
| 738 } | |
| 739 else if (n <= val2) | |
| 740 { | |
| 741 /* did not replace all lines, delete */ | |
| 742 i = n; | |
| 743 do | |
| 744 { | |
| 745 if (ml_delete((linenr_T)i, FALSE) != OK) | |
| 746 goto setListError; | |
| 747 ++n; | |
| 748 } while (n <= val2); | |
| 749 } | |
| 750 lc -= val2 - val1 + 1; /* number of lines to be replaced */ | |
| 751 mark_adjust((linenr_T)val1, (linenr_T)val2, (long)MAXLNUM, | |
| 752 (long)lc); | |
| 753 changed_lines((linenr_T)val1, 0, (linenr_T)val2 + 1, (long)lc); | |
| 754 break; | |
| 755 setListError: | |
| 756 u_undo(1); /* ??? */ | |
| 757 Tcl_SetResult(interp, _("cannot set line(s)"), TCL_STATIC); | |
| 758 err = TCL_ERROR; | |
| 759 } | |
| 760 break; | |
| 761 | |
| 762 case BUF_DELETE: | |
| 763 if (objc != 3 && objc != 4) | |
| 764 { | |
| 765 Tcl_WrongNumArgs(interp, 3, objv, "lineNumber ?lineNumber?"); | |
| 766 err = TCL_ERROR; | |
| 767 break; | |
| 768 } | |
| 769 err = tclgetlinenum(interp, objv[2], &val1, buf); | |
| 770 if (err != TCL_OK) | |
| 771 break; | |
| 772 val2 = val1; | |
| 773 if (objc == 4) | |
| 774 { | |
| 775 err = tclgetlinenum(interp, objv[3], &val2, buf); | |
| 776 if (err != TCL_OK) | |
| 777 return err; | |
| 778 if (val1 > val2) | |
| 779 { | |
| 780 i = val1; val1 = val2; val2 = i; | |
| 781 } | |
| 782 } | |
| 783 n = val2 - val1 + 1; | |
| 784 if (u_savedel((linenr_T)val1, (long)n) != OK) | |
| 785 { | |
| 786 Tcl_SetResult(interp, _("cannot save undo information"), | |
| 787 TCL_STATIC); | |
| 788 err = TCL_ERROR; | |
| 789 break; | |
| 790 } | |
| 791 for (i = 0; i < n; i++) | |
| 792 { | |
| 793 ml_delete((linenr_T)val1, FALSE); | |
| 794 err = vimerror(interp); | |
| 795 if (err != TCL_OK) | |
| 796 break; | |
| 797 } | |
| 798 if (i > 0) | |
| 799 deleted_lines_mark((linenr_T)val1, (long)i); | |
| 800 flags |= FL_ADJUST_CURSOR|FL_UPDATE_SCREEN; | |
| 801 break; | |
| 802 | |
| 803 case BUF_MARK: | |
| 804 if (objc != 3) | |
| 805 { | |
| 806 Tcl_WrongNumArgs(interp, 2, objv, "markName"); | |
| 807 err = TCL_ERROR; | |
| 808 break; | |
| 809 } | |
| 810 line = Tcl_GetStringFromObj(objv[2], NULL); | |
| 811 | |
| 812 pos = NULL; | |
| 813 if (line[0] != '\0' && line[1] == '\0') | |
| 814 pos = getmark(line[0], FALSE); | |
| 815 if (pos == NULL) | |
| 816 { | |
| 817 Tcl_SetResult(interp, _("invalid mark name"), TCL_STATIC); | |
| 818 err = TCL_ERROR; | |
| 819 break; | |
| 820 } | |
| 821 err = vimerror(interp); | |
| 822 if (err != TCL_OK) | |
| 823 break; | |
| 824 if (pos->lnum <= 0) | |
| 825 { | |
| 826 Tcl_SetResult(interp, _("mark not set"), TCL_STATIC); | |
| 827 err = TCL_ERROR; | |
| 828 } | |
| 829 else | |
| 830 { | |
| 831 char rbuf[64]; | |
| 274 | 832 |
| 833 sprintf(rbuf, _("row %d column %d"), | |
| 834 (int)row2tcl(pos->lnum), (int)col2tcl(pos->col)); | |
| 7 | 835 Tcl_SetResult(interp, rbuf, TCL_VOLATILE); |
| 836 } | |
| 837 break; | |
| 838 | |
| 839 case BUF_INSERT: | |
| 840 opt = 1; | |
| 841 /* fallthrough */ | |
| 842 case BUF_APPEND: | |
| 843 if (objc != 4) | |
| 844 { | |
| 845 Tcl_WrongNumArgs(interp, 2, objv, "lineNum text"); | |
| 846 err = TCL_ERROR; | |
| 847 break; | |
| 848 } | |
| 849 err = tclgetlinenum(interp, objv[2], &val1, buf); | |
| 850 if (err != TCL_OK) | |
| 851 break; | |
| 852 if (opt) | |
| 853 --val1; | |
| 854 if (u_save((linenr_T)val1, (linenr_T)(val1+1)) != OK) | |
| 855 { | |
| 274 | 856 Tcl_SetResult(interp, _("cannot save undo information"), |
| 857 TCL_STATIC); | |
| 7 | 858 err = TCL_ERROR; |
| 859 break; | |
| 860 } | |
| 861 | |
| 862 line = Tcl_GetStringFromObj(objv[3], NULL); | |
| 863 if (ml_append((linenr_T)val1, (char_u *)line, 0, FALSE) != OK) | |
| 864 { | |
| 274 | 865 Tcl_SetResult(interp, _("cannot insert/append line"), |
| 866 TCL_STATIC); | |
| 7 | 867 err = TCL_ERROR; |
| 868 break; | |
| 869 } | |
| 870 appended_lines_mark((linenr_T)val1, 1L); | |
| 871 flags |= FL_UPDATE_SCREEN; | |
| 872 break; | |
| 873 | |
| 874 case BUF_WINDOWS: | |
| 875 /* | |
| 876 * Return list of window commands. | |
| 877 */ | |
| 878 if (objc != 2) | |
| 879 { | |
| 880 Tcl_WrongNumArgs(interp, 2, objv, NULL); | |
| 881 err = TCL_ERROR; | |
| 882 break; | |
| 883 } | |
| 884 Tcl_ResetResult(interp); | |
| 885 FOR_ALL_WINDOWS(win) | |
| 886 { | |
| 887 if (win->w_buffer == buf) | |
| 888 { | |
| 889 line = tclgetwindow(interp, win); | |
| 890 if (line != NULL) | |
| 891 Tcl_AppendElement(interp, line); | |
| 892 else | |
| 893 { | |
| 894 err = TCL_ERROR; | |
| 895 break; | |
| 896 } | |
| 897 } | |
| 898 } | |
| 899 break; | |
| 900 | |
| 901 case BUF_DELCMD: | |
| 902 /* | |
| 903 * Register deletion callback. | |
| 904 * TODO: Should be able to register multiple callbacks | |
| 905 */ | |
| 906 if (objc != 3) | |
| 907 { | |
| 908 Tcl_WrongNumArgs(interp, 2, objv, "command"); | |
| 909 err = TCL_ERROR; | |
| 910 break; | |
| 911 } | |
| 502 | 912 err = tclsetdelcmd(interp, buf->b_tcl_ref, (void *)buf, objv[2]); |
| 7 | 913 break; |
| 914 | |
| 915 default: | |
| 916 Tcl_SetResult(interp, _("not implemented yet"), TCL_STATIC); | |
| 917 err = TCL_ERROR; | |
| 918 } | |
| 919 | |
| 920 if (flags & FL_UPDATE_CURBUF) | |
| 921 redraw_curbuf_later(NOT_VALID); | |
| 922 curbuf = savebuf; | |
| 923 curwin = savewin; | |
| 924 if (flags & FL_ADJUST_CURSOR) | |
| 925 check_cursor(); | |
| 926 if (flags & (FL_UPDATE_SCREEN | FL_UPDATE_CURBUF)) | |
| 927 update_screen(NOT_VALID); | |
| 928 | |
| 929 return err; | |
| 930 } | |
| 931 | |
| 932 /* | |
| 933 * This function implements the window commands. | |
| 934 */ | |
| 935 static int | |
|
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936 winselfcmd( |
|
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937 ClientData ref, |
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938 Tcl_Interp *interp, |
|
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939 int objc, |
|
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diff
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|
940 Tcl_Obj *CONST objv[]) |
| 7 | 941 { |
| 942 int err, idx, flags; | |
| 943 int val1, val2; | |
| 944 Tcl_Obj *resobj; | |
| 945 win_T *savewin, *win; | |
| 946 buf_T *savebuf; | |
| 947 char *str; | |
| 948 | |
| 949 enum | |
| 950 { | |
| 951 WIN_BUFFER, WIN_COMMAND, WIN_CURSOR, WIN_DELCMD, WIN_EXPR, | |
| 952 WIN_HEIGHT, WIN_OPTION | |
| 953 }; | |
| 135 | 954 static CONST84 char *winoptions[] = |
| 7 | 955 { |
| 956 "buffer", "command", "cursor", "delcmd", "expr", | |
| 957 "height", "option", (char *)0 | |
| 958 }; | |
| 959 | |
| 960 if (objc < 2) | |
| 961 { | |
| 962 Tcl_WrongNumArgs(interp, 1, objv, "option ?arg ...?"); | |
| 963 return TCL_ERROR; | |
| 964 } | |
| 965 | |
| 966 err = Tcl_GetIndexFromObj(interp, objv[1], winoptions, "option", 0, &idx); | |
| 967 if (err != TCL_OK) | |
| 968 return TCL_ERROR; | |
| 969 | |
| 970 win = (win_T *)((struct ref *)ref)->vimobj; | |
| 971 savewin = curwin; curwin = win; | |
| 972 savebuf = curbuf; curbuf = win->w_buffer; | |
| 973 flags = 0; | |
| 974 | |
| 975 switch (idx) | |
| 976 { | |
| 977 case WIN_OPTION: | |
| 978 err = tclsetoption(interp, objc, objv, 2); | |
| 979 flags |= FL_UPDATE_SCREEN; | |
| 980 break; | |
| 981 | |
| 982 case WIN_COMMAND: | |
| 983 err = tcldoexcommand(interp, objc, objv, 2); | |
| 984 flags |= FL_UPDATE_SCREEN; | |
| 985 break; | |
| 986 | |
| 987 case WIN_EXPR: | |
| 988 err = tclvimexpr(interp, objc, objv, 2); | |
| 989 break; | |
| 990 | |
| 991 case WIN_HEIGHT: | |
| 992 if (objc == 3) | |
| 993 { | |
| 994 err = Tcl_GetIntFromObj(interp, objv[2], &val1); | |
| 995 if (err != TCL_OK) | |
| 996 break; | |
| 997 #ifdef FEAT_GUI | |
| 998 need_mouse_correct = TRUE; | |
| 999 #endif | |
| 1000 win_setheight(val1); | |
| 1001 err = vimerror(interp); | |
| 1002 if (err != TCL_OK) | |
| 1003 break; | |
| 1004 } | |
| 1005 else | |
| 1006 if (objc != 2) | |
| 1007 { | |
| 1008 Tcl_WrongNumArgs(interp, 2, objv, "?value?"); | |
| 1009 err = TCL_ERROR; | |
| 1010 break; | |
| 1011 } | |
| 1012 | |
| 1013 resobj = Tcl_NewIntObj((int)(win->w_height)); | |
| 1014 Tcl_SetObjResult(interp, resobj); | |
| 1015 break; | |
| 1016 | |
| 1017 case WIN_BUFFER: | |
| 1018 if (objc != 2) | |
| 1019 { | |
| 1020 Tcl_WrongNumArgs(interp, 2, objv, NULL); | |
| 1021 err = TCL_ERROR; | |
| 1022 break; | |
| 1023 } | |
| 1024 str = tclgetbuffer(interp, win->w_buffer); | |
| 1025 if (str) | |
| 1026 Tcl_SetResult(interp, str, TCL_VOLATILE); | |
| 1027 else | |
| 1028 err = TCL_ERROR; | |
| 1029 break; | |
| 1030 | |
| 1031 case WIN_DELCMD: | |
| 1032 if (objc != 3) | |
| 1033 { | |
| 1034 Tcl_WrongNumArgs(interp, 2, objv, "command"); | |
| 1035 err = TCL_ERROR; | |
| 1036 break; | |
| 1037 } | |
| 502 | 1038 err = tclsetdelcmd(interp, win->w_tcl_ref, (void *)win, objv[2]); |
| 7 | 1039 break; |
| 1040 | |
| 1041 case WIN_CURSOR: | |
| 1042 if (objc > 4) | |
| 1043 { | |
| 1044 Tcl_WrongNumArgs(interp, 2, objv, "?arg1 ?arg2??"); | |
| 1045 err = TCL_ERROR; | |
| 1046 break; | |
| 1047 } | |
| 1048 if (objc == 2) | |
| 1049 { | |
| 1050 char buf[64]; | |
| 274 | 1051 |
| 7 | 1052 sprintf(buf, _("row %d column %d"), (int)row2tcl(win->w_cursor.lnum), (int)col2tcl(win->w_cursor.col)); |
| 1053 Tcl_SetResult(interp, buf, TCL_VOLATILE); | |
| 1054 break; | |
| 1055 } | |
| 1056 else if (objc == 3) | |
| 1057 { | |
| 1058 Tcl_Obj *part, *var; | |
| 1059 | |
| 1060 part = Tcl_NewStringObj("row", -1); | |
| 1061 var = Tcl_ObjGetVar2(interp, objv[2], part, TCL_LEAVE_ERR_MSG); | |
| 1062 if (var == NULL) | |
| 1063 { | |
| 1064 err = TCL_ERROR; | |
| 1065 break; | |
| 1066 } | |
| 1067 err = tclgetlinenum(interp, var, &val1, win->w_buffer); | |
| 1068 if (err != TCL_OK) | |
| 1069 break; | |
| 1070 part = Tcl_NewStringObj("column", -1); | |
| 1071 var = Tcl_ObjGetVar2(interp, objv[2], part, TCL_LEAVE_ERR_MSG); | |
| 1072 if (var == NULL) | |
| 1073 { | |
| 1074 err = TCL_ERROR; | |
| 1075 break; | |
| 1076 } | |
| 1077 err = Tcl_GetIntFromObj(interp, var, &val2); | |
| 1078 if (err != TCL_OK) | |
| 1079 break; | |
| 1080 } | |
| 1081 else { /* objc == 4 */ | |
| 1082 err = tclgetlinenum(interp, objv[2], &val1, win->w_buffer); | |
| 1083 if (err != TCL_OK) | |
| 1084 break; | |
| 1085 err = Tcl_GetIntFromObj(interp, objv[3], &val2); | |
| 1086 if (err != TCL_OK) | |
| 1087 break; | |
| 1088 } | |
| 1089 /* TODO: should check column */ | |
| 1090 win->w_cursor.lnum = val1; | |
| 1091 win->w_cursor.col = col2vim(val2); | |
|
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1092 win->w_set_curswant = TRUE; |
| 7 | 1093 flags |= FL_UPDATE_SCREEN; |
| 1094 break; | |
| 1095 | |
| 1096 default: | |
| 1097 Tcl_SetResult(interp, _("not implemented yet"), TCL_STATIC); | |
| 1098 break; | |
| 1099 } | |
| 1100 | |
| 1101 curwin = savewin; | |
| 1102 curbuf = savebuf; | |
| 1103 if (flags & FL_UPDATE_SCREEN) | |
| 1104 update_screen(NOT_VALID); | |
| 1105 | |
| 1106 return err; | |
| 1107 } | |
| 1108 | |
| 1109 | |
| 1110 static int | |
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1111 commandcmd( |
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1112 ClientData dummy UNUSED, |
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1113 Tcl_Interp *interp, |
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1114 int objc, |
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parents:
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diff
changeset
|
1115 Tcl_Obj *CONST objv[]) |
| 7 | 1116 { |
| 1117 int err; | |
| 1118 | |
| 1119 err = tcldoexcommand(interp, objc, objv, 1); | |
| 1120 update_screen(VALID); | |
| 1121 return err; | |
| 1122 } | |
| 1123 | |
| 1124 static int | |
|
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1125 optioncmd( |
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1126 ClientData dummy UNUSED, |
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1127 Tcl_Interp *interp, |
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1128 int objc, |
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changeset
|
1129 Tcl_Obj *CONST objv[]) |
| 7 | 1130 { |
| 1131 int err; | |
| 1132 | |
| 1133 err = tclsetoption(interp, objc, objv, 1); | |
| 1134 update_screen(VALID); | |
| 1135 return err; | |
| 1136 } | |
| 1137 | |
| 1138 static int | |
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1139 exprcmd( |
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bcef391c101c
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1140 ClientData dummy UNUSED, |
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1141 Tcl_Interp *interp, |
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1142 int objc, |
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bcef391c101c
commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
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diff
changeset
|
1143 Tcl_Obj *CONST objv[]) |
| 7 | 1144 { |
| 1145 return tclvimexpr(interp, objc, objv, 1); | |
| 1146 } | |
| 1147 | |
| 1148 /**************************************************************************** | |
| 1149 Support functions for Tcl commands | |
| 1150 ****************************************************************************/ | |
| 1151 | |
| 1152 /* | |
| 1153 * Get a line number from 'obj' and convert it to vim's range. | |
| 1154 */ | |
| 1155 static int | |
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1156 tclgetlinenum( |
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bcef391c101c
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1157 Tcl_Interp *interp, |
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bcef391c101c
commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
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parents:
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1158 Tcl_Obj *obj, |
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bcef391c101c
commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
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parents:
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changeset
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1159 int *valueP, |
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bcef391c101c
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changeset
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1160 buf_T *buf) |
| 7 | 1161 { |
| 1162 int err, i; | |
| 1163 | |
| 1164 enum { LN_BEGIN, LN_BOTTOM, LN_END, LN_FIRST, LN_LAST, LN_START, LN_TOP }; | |
| 1165 | |
| 135 | 1166 static CONST84 char *keyw[] = |
| 7 | 1167 { |
| 1168 "begin", "bottom", "end", "first", "last", "start", "top", (char *)0 | |
| 1169 }; | |
| 1170 | |
| 1171 err = Tcl_GetIndexFromObj(interp, obj, keyw, "", 0, &i); | |
| 1172 if (err == TCL_OK) | |
| 1173 { | |
| 1174 switch (i) | |
| 1175 { | |
| 1176 case LN_BEGIN: | |
| 1177 case LN_FIRST: | |
| 1178 case LN_START: | |
| 1179 case LN_TOP: | |
| 1180 *valueP = 1; | |
| 1181 break; | |
| 1182 case LN_BOTTOM: | |
| 1183 case LN_END: | |
| 1184 case LN_LAST: | |
| 1185 *valueP = buf->b_ml.ml_line_count; | |
| 1186 break; | |
| 1187 } | |
| 1188 return TCL_OK; | |
| 1189 } | |
| 1190 Tcl_ResetResult(interp); | |
| 1191 | |
| 1192 err = Tcl_GetIntFromObj(interp, obj, &i); | |
| 1193 if (err != TCL_OK) | |
| 1194 return err; | |
| 1195 i = row2vim(i); | |
| 1196 if (i < 1 || i > buf->b_ml.ml_line_count) | |
| 1197 { | |
| 1198 Tcl_SetResult(interp, _("line number out of range"), TCL_STATIC); | |
| 1199 return TCL_ERROR; | |
| 1200 } | |
| 1201 *valueP = i; | |
| 1202 return TCL_OK; | |
| 1203 } | |
| 1204 | |
| 1205 /* | |
| 1206 * Find the first window in the window list that displays the buffer. | |
| 1207 */ | |
| 1208 static win_T * | |
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1209 tclfindwin(buf_T *buf) |
| 7 | 1210 { |
| 1211 win_T *win; | |
| 1212 | |
| 1213 FOR_ALL_WINDOWS(win) | |
| 1214 { | |
| 1215 if (win->w_buffer == buf) | |
| 1216 return win; | |
| 1217 } | |
| 1218 return curwin; /* keep current window context */ | |
| 1219 } | |
| 1220 | |
| 1221 /* | |
| 1222 * Do-it-all function for "::vim::command", "$buf command" and "$win command". | |
| 1223 */ | |
| 1224 static int | |
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1225 tcldoexcommand( |
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parents:
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diff
changeset
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1226 Tcl_Interp *interp, |
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bcef391c101c
commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
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parents:
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1227 int objc, |
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bcef391c101c
commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
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parents:
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diff
changeset
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1228 Tcl_Obj *CONST objv[], |
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changeset
|
1229 int objn) |
| 7 | 1230 { |
| 1231 tcl_info saveinfo; | |
| 1232 int err, flag, nobjs; | |
| 1233 char *arg; | |
| 1234 | |
| 1235 nobjs = objc - objn; | |
| 1236 if (nobjs < 1 || nobjs > 2) | |
| 1237 { | |
| 1238 Tcl_WrongNumArgs(interp, objn, objv, "?-quiet? exCommand"); | |
| 1239 return TCL_ERROR; | |
| 1240 } | |
| 1241 | |
| 1242 flag = 0; | |
| 1243 if (nobjs == 2) | |
| 1244 { | |
| 1245 arg = Tcl_GetStringFromObj(objv[objn], NULL); | |
| 1246 if (strcmp(arg, "-quiet") == 0) | |
| 1247 flag = 1; | |
| 1248 else | |
| 1249 { | |
| 1250 Tcl_ResetResult(interp); | |
| 1251 Tcl_AppendResult(interp, _("unknown flag: "), arg, (char *)0); | |
| 1252 return TCL_ERROR; | |
| 1253 } | |
| 1254 ++objn; | |
| 1255 } | |
| 1256 | |
| 1257 memcpy(&saveinfo, &tclinfo, sizeof(tcl_info)); | |
| 1258 tclinfo.interp = NULL; | |
| 1259 tclinfo.curwin = NULL; | |
| 1260 tclinfo.curbuf = NULL; | |
| 1261 | |
| 1262 arg = Tcl_GetStringFromObj(objv[objn], NULL); | |
| 1263 if (flag) | |
| 1264 ++emsg_off; | |
| 1265 do_cmdline_cmd((char_u *)arg); | |
| 1266 if (flag) | |
| 1267 --emsg_off; | |
| 1268 err = vimerror(interp); | |
| 1269 | |
| 1270 /* If the ex command created a new Tcl interpreter, remove it */ | |
| 1271 if (tclinfo.interp) | |
| 1272 tcldelthisinterp(); | |
| 1273 memcpy(&tclinfo, &saveinfo, sizeof(tcl_info)); | |
| 1274 tclupdatevars(); | |
| 1275 | |
| 1276 return err; | |
| 1277 } | |
| 1278 | |
| 1279 /* | |
| 1280 * Do-it-all function for "::vim::option", "$buf option" and "$win option". | |
| 1281 */ | |
| 1282 static int | |
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1283 tclsetoption( |
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1284 Tcl_Interp *interp, |
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1285 int objc, |
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1286 Tcl_Obj *CONST objv[], |
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1287 int objn) |
| 7 | 1288 { |
| 1289 int err, nobjs, idx; | |
| 1290 char_u *option; | |
| 1291 int isnum; | |
| 1292 long lval; | |
| 1293 char_u *sval; | |
| 1294 Tcl_Obj *resobj; | |
| 1295 | |
| 1296 enum { OPT_OFF, OPT_ON, OPT_TOGGLE }; | |
| 135 | 1297 static CONST84 char *optkw[] = { "off", "on", "toggle", (char *)0 }; |
| 7 | 1298 |
| 1299 nobjs = objc - objn; | |
| 1300 if (nobjs != 1 && nobjs != 2) | |
| 1301 { | |
| 1302 Tcl_WrongNumArgs(interp, objn, objv, "vimOption ?value?"); | |
| 1303 return TCL_ERROR; | |
| 1304 } | |
| 1305 | |
| 1306 option = (char_u *)Tcl_GetStringFromObj(objv[objn], NULL); | |
| 1307 ++objn; | |
| 1308 isnum = get_option_value(option, &lval, &sval, 0); | |
| 1309 err = TCL_OK; | |
| 1310 switch (isnum) | |
| 1311 { | |
| 1312 case 0: | |
| 1313 Tcl_SetResult(interp, (char *)sval, TCL_VOLATILE); | |
| 1314 vim_free(sval); | |
| 1315 break; | |
| 1316 case 1: | |
| 1317 resobj = Tcl_NewLongObj(lval); | |
| 1318 Tcl_SetObjResult(interp, resobj); | |
| 1319 break; | |
| 1320 default: | |
| 1321 Tcl_SetResult(interp, _("unknown vimOption"), TCL_STATIC); | |
| 1322 return TCL_ERROR; | |
| 1323 } | |
| 1324 if (nobjs == 2) | |
| 1325 { | |
| 1326 if (isnum) | |
| 1327 { | |
| 1328 sval = NULL; /* avoid compiler warning */ | |
| 1329 err = Tcl_GetIndexFromObj(interp, objv[objn], optkw, "", 0, &idx); | |
| 1330 if (err != TCL_OK) | |
| 1331 { | |
| 1332 Tcl_ResetResult(interp); | |
| 1333 err = Tcl_GetLongFromObj(interp, objv[objn], &lval); | |
| 1334 } | |
| 1335 else | |
| 1336 switch (idx) | |
| 1337 { | |
| 1338 case OPT_ON: | |
| 1339 lval = 1; | |
| 1340 break; | |
| 1341 case OPT_OFF: | |
| 1342 lval = 0; | |
| 1343 break; | |
| 1344 case OPT_TOGGLE: | |
| 1345 lval = !lval; | |
| 1346 break; | |
| 1347 } | |
| 1348 } | |
| 1349 else | |
| 1350 sval = (char_u *)Tcl_GetStringFromObj(objv[objn], NULL); | |
| 1351 if (err == TCL_OK) | |
| 1352 { | |
| 1353 set_option_value(option, lval, sval, OPT_LOCAL); | |
| 1354 err = vimerror(interp); | |
| 1355 } | |
| 1356 } | |
| 1357 return err; | |
| 1358 } | |
| 1359 | |
| 1360 /* | |
| 1361 * Do-it-all function for "::vim::expr", "$buf expr" and "$win expr". | |
| 1362 */ | |
| 1363 static int | |
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1364 tclvimexpr( |
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1365 Tcl_Interp *interp, |
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1366 int objc, |
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1367 Tcl_Obj *CONST objv[], |
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1368 int objn) |
| 7 | 1369 { |
| 1370 #ifdef FEAT_EVAL | |
| 1371 char *expr, *str; | |
| 1372 #endif | |
| 1373 int err; | |
| 1374 | |
| 1375 if (objc - objn != 1) | |
| 1376 { | |
| 1377 Tcl_WrongNumArgs(interp, objn, objv, "vimExpr"); | |
| 1378 return TCL_ERROR; | |
| 1379 } | |
| 1380 | |
| 1381 #ifdef FEAT_EVAL | |
| 1382 expr = Tcl_GetStringFromObj(objv[objn], NULL); | |
| 714 | 1383 str = (char *)eval_to_string((char_u *)expr, NULL, TRUE); |
| 7 | 1384 if (str == NULL) |
| 1385 Tcl_SetResult(interp, _("invalid expression"), TCL_STATIC); | |
| 1386 else | |
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1387 { |
| 7 | 1388 Tcl_SetResult(interp, str, TCL_VOLATILE); |
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1389 vim_free(str); |
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1390 } |
| 7 | 1391 err = vimerror(interp); |
| 1392 #else | |
| 1393 Tcl_SetResult(interp, _("expressions disabled at compile time"), TCL_STATIC); | |
| 1394 err = TCL_ERROR; | |
| 1395 #endif | |
| 1396 | |
| 1397 return err; | |
| 1398 } | |
| 1399 | |
| 1400 /* | |
| 1401 * Check for internal vim errors. | |
| 1402 */ | |
| 1403 static int | |
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1404 vimerror(Tcl_Interp *interp) |
| 7 | 1405 { |
| 1406 if (got_int) | |
| 1407 { | |
| 1408 Tcl_SetResult(interp, _("keyboard interrupt"), TCL_STATIC); | |
| 1409 return TCL_ERROR; | |
| 1410 } | |
| 1411 else if (did_emsg) | |
| 1412 { | |
| 1413 Tcl_SetResult(interp, _("vim error"), TCL_STATIC); | |
| 1414 return TCL_ERROR; | |
| 1415 } | |
| 1416 return TCL_OK; | |
| 1417 } | |
| 1418 | |
| 1419 /* | |
| 1420 * Functions that handle the reference lists: | |
| 1421 * delref() - callback for Tcl's DeleteCommand | |
| 1422 * tclgetref() - find/create Tcl command for a win_T* or buf_T* object | |
| 1423 * tclgetwindow() - window frontend for tclgetref() | |
| 1424 * tclgetbuffer() - buffer frontend for tclgetref() | |
| 1425 * tclsetdelcmd() - add Tcl callback command to a vim object | |
| 1426 */ | |
| 1427 static void | |
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1428 delref(ClientData cref) |
| 7 | 1429 { |
| 1430 struct ref *ref = (struct ref *)cref; | |
| 1431 | |
| 1432 if (ref->delcmd) | |
| 1433 { | |
| 1434 Tcl_DecrRefCount(ref->delcmd); | |
| 1435 ref->delcmd = NULL; | |
| 1436 } | |
| 1437 ref->interp = NULL; | |
| 1438 } | |
| 1439 | |
| 1440 static char * | |
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1441 tclgetref( |
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1442 Tcl_Interp *interp, |
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1443 void **refstartP, /* ptr to w_tcl_ref/b_tcl-ref member of |
| 502 | 1444 win_T/buf_T struct */ |
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1445 char *prefix, /* "win" or "buf" */ |
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1446 void *vimobj, /* win_T* or buf_T* */ |
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1447 Tcl_ObjCmdProc *proc) /* winselfcmd or bufselfcmd */ |
| 7 | 1448 { |
| 1449 struct ref *ref, *unused = NULL; | |
| 1450 static char name[VARNAME_SIZE]; | |
| 1451 Tcl_Command cmd; | |
| 1452 | |
| 1453 ref = (struct ref *)(*refstartP); | |
| 1454 if (ref == &refsdeleted) | |
| 1455 { | |
| 1456 Tcl_SetResult(interp, _("cannot create buffer/window command: object is being deleted"), TCL_STATIC); | |
| 1457 return NULL; | |
| 1458 } | |
| 1459 | |
| 1460 while (ref != NULL) | |
| 1461 { | |
| 1462 if (ref->interp == interp) | |
| 1463 break; | |
| 1464 if (ref->interp == NULL) | |
| 1465 unused = ref; | |
| 1466 ref = ref->next; | |
| 1467 } | |
| 1468 | |
| 1469 if (ref) | |
| 274 | 1470 vim_snprintf(name, sizeof(name), "::vim::%s", |
| 1471 Tcl_GetCommandName(interp, ref->cmd)); | |
| 7 | 1472 else |
| 1473 { | |
| 1474 if (unused) | |
| 1475 ref = unused; | |
| 1476 else | |
| 1477 { | |
| 1478 ref = (struct ref *)Tcl_Alloc(sizeof(struct ref)); | |
| 1479 ref->interp = NULL; | |
| 1480 ref->next = (struct ref *)(*refstartP); | |
| 1481 (*refstartP) = (void *)ref; | |
| 1482 } | |
| 1483 | |
| 1484 /* This might break on some exotic systems... */ | |
| 274 | 1485 vim_snprintf(name, sizeof(name), "::vim::%s_%lx", |
| 1486 prefix, (unsigned long)vimobj); | |
| 7 | 1487 cmd = Tcl_CreateObjCommand(interp, name, proc, |
| 1488 (ClientData)ref, (Tcl_CmdDeleteProc *)delref); | |
| 1489 if (!cmd) | |
| 1490 return NULL; | |
| 1491 | |
| 1492 ref->interp = interp; | |
| 1493 ref->cmd = cmd; | |
| 1494 ref->delcmd = NULL; | |
| 1495 ref->vimobj = vimobj; | |
| 1496 } | |
| 1497 return name; | |
| 1498 } | |
| 1499 | |
| 1500 static char * | |
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1501 tclgetwindow(Tcl_Interp *interp, win_T *win) |
| 7 | 1502 { |
| 502 | 1503 return tclgetref(interp, &(win->w_tcl_ref), "win", (void *)win, winselfcmd); |
| 7 | 1504 } |
| 1505 | |
| 1506 static char * | |
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1507 tclgetbuffer(Tcl_Interp *interp, buf_T *buf) |
| 7 | 1508 { |
| 502 | 1509 return tclgetref(interp, &(buf->b_tcl_ref), "buf", (void *)buf, bufselfcmd); |
| 7 | 1510 } |
| 1511 | |
| 1512 static int | |
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1513 tclsetdelcmd( |
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1514 Tcl_Interp *interp, |
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1515 struct ref *reflist, |
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1516 void *vimobj, |
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1517 Tcl_Obj *delcmd) |
| 7 | 1518 { |
| 1519 if (reflist == &refsdeleted) | |
| 1520 { | |
| 1521 Tcl_SetResult(interp, _("cannot register callback command: buffer/window is already being deleted"), TCL_STATIC); | |
| 1522 return TCL_ERROR; | |
| 1523 } | |
| 1524 | |
| 1525 while (reflist != NULL) | |
| 1526 { | |
| 1527 if (reflist->interp == interp && reflist->vimobj == vimobj) | |
| 1528 { | |
| 1529 if (reflist->delcmd) | |
| 1530 Tcl_DecrRefCount(reflist->delcmd); | |
| 1531 Tcl_IncrRefCount(delcmd); | |
| 1532 reflist->delcmd = delcmd; | |
| 1533 return TCL_OK; | |
| 1534 } | |
| 1535 reflist = reflist->next; | |
| 1536 } | |
| 1537 /* This should never happen. Famous last word? */ | |
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1538 emsg(_("E280: TCL FATAL ERROR: reflist corrupt!? Please report this to vim-dev@vim.org")); |
| 7 | 1539 Tcl_SetResult(interp, _("cannot register callback command: buffer/window reference not found"), TCL_STATIC); |
| 1540 return TCL_ERROR; | |
| 1541 } | |
| 1542 | |
| 1543 | |
| 1544 /******************************************* | |
| 1545 I/O Channel | |
| 1546 ********************************************/ | |
| 1547 | |
| 1548 static int | |
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1549 tcl_channel_close(ClientData instance, Tcl_Interp *interp UNUSED) |
| 7 | 1550 { |
| 1551 int err = 0; | |
| 1552 | |
| 1553 /* currently does nothing */ | |
| 1554 | |
| 1555 if (instance != VIMOUT && instance != VIMERR) | |
| 1556 { | |
| 1557 Tcl_SetErrno(EBADF); | |
| 1558 err = EBADF; | |
| 1559 } | |
| 1560 return err; | |
| 1561 } | |
| 1562 | |
| 1563 static int | |
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1564 tcl_channel_input( |
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1565 ClientData instance UNUSED, |
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1566 char *buf UNUSED, |
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1567 int bufsiz UNUSED, |
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1568 int *errptr) |
| 7 | 1569 { |
| 1570 | |
| 1571 /* input is currently not supported */ | |
| 1572 | |
| 1573 Tcl_SetErrno(EINVAL); | |
| 1574 if (errptr) | |
| 1575 *errptr = EINVAL; | |
| 1576 return -1; | |
| 1577 } | |
| 1578 | |
| 1579 static int | |
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1580 tcl_channel_output( |
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1581 ClientData instance, |
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1582 const char *buf, |
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1583 int bufsiz, |
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1584 int *errptr) |
| 7 | 1585 { |
| 1586 char_u *str; | |
| 1587 int result; | |
| 1588 | |
| 1589 /* The buffer is not guaranteed to be 0-terminated, and we don't if | |
| 1590 * there is enough room to add a '\0'. So we have to create a copy | |
| 1591 * of the buffer... | |
| 1592 */ | |
| 1593 str = vim_strnsave((char_u *)buf, bufsiz); | |
| 1594 if (!str) | |
| 1595 { | |
| 1596 Tcl_SetErrno(ENOMEM); | |
| 1597 if (errptr) | |
| 1598 *errptr = ENOMEM; | |
| 1599 return -1; | |
| 1600 } | |
| 1601 | |
| 1602 result = bufsiz; | |
| 1603 if (instance == VIMOUT) | |
| 1604 tclmsg((char *)str); | |
| 1605 else | |
| 1606 if (instance == VIMERR) | |
| 1607 tclerrmsg((char *)str); | |
| 1608 else | |
| 1609 { | |
| 1610 Tcl_SetErrno(EBADF); | |
| 1611 if (errptr) | |
| 1612 *errptr = EBADF; | |
| 1613 result = -1; | |
| 1614 } | |
| 1615 vim_free(str); | |
| 1616 return result; | |
| 1617 } | |
| 1618 | |
| 1619 static void | |
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1620 tcl_channel_watch(ClientData instance UNUSED, int mask UNUSED) |
| 7 | 1621 { |
| 1622 Tcl_SetErrno(EINVAL); | |
| 1623 } | |
| 1624 | |
| 1625 static int | |
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1626 tcl_channel_gethandle( |
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1627 ClientData instance UNUSED, |
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1628 int direction UNUSED, |
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1629 ClientData *handleptr UNUSED) |
| 7 | 1630 { |
| 1631 Tcl_SetErrno(EINVAL); | |
| 1632 return EINVAL; | |
| 1633 } | |
| 1634 | |
| 1635 | |
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1636 static Tcl_ChannelType tcl_channel_type = |
| 7 | 1637 { |
| 1890 | 1638 "vimmessage", /* typeName */ |
| 3369 | 1639 TCL_CHANNEL_VERSION_2, /* version */ |
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1640 tcl_channel_close, /* closeProc */ |
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1641 tcl_channel_input, /* inputProc */ |
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1642 tcl_channel_output, /* outputProc */ |
| 1890 | 1643 NULL, /* seekProc */ |
| 1644 NULL, /* setOptionProc */ | |
| 1645 NULL, /* getOptionProc */ | |
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1646 tcl_channel_watch, /* watchProc */ |
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1647 tcl_channel_gethandle, /* getHandleProc */ |
| 1890 | 1648 NULL, /* close2Proc */ |
| 1649 NULL, /* blockModeProc */ | |
| 1650 #ifdef TCL_CHANNEL_VERSION_2 | |
| 1651 NULL, /* flushProc */ | |
| 1652 NULL, /* handlerProc */ | |
| 1653 #endif | |
| 3369 | 1654 /* The following should not be necessary since TCL_CHANNEL_VERSION_2 was |
| 1655 * set above */ | |
| 1890 | 1656 #ifdef TCL_CHANNEL_VERSION_3 |
| 1657 NULL, /* wideSeekProc */ | |
| 1658 #endif | |
| 1659 #ifdef TCL_CHANNEL_VERSION_4 | |
| 1660 NULL, /* threadActionProc */ | |
| 1661 #endif | |
| 1662 #ifdef TCL_CHANNEL_VERSION_5 | |
| 1663 NULL /* truncateProc */ | |
| 1664 #endif | |
| 7 | 1665 }; |
| 1666 | |
| 1667 /********************************** | |
| 1668 Interface to vim | |
| 1669 **********************************/ | |
| 1670 | |
| 1671 static void | |
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1672 tclupdatevars(void) |
| 7 | 1673 { |
| 1674 char varname[VARNAME_SIZE]; /* must be writeable */ | |
| 1675 char *name; | |
| 1676 | |
| 1677 strcpy(varname, VAR_RANGE1); | |
| 1678 Tcl_UpdateLinkedVar(tclinfo.interp, varname); | |
| 1679 strcpy(varname, VAR_RANGE2); | |
| 1680 Tcl_UpdateLinkedVar(tclinfo.interp, varname); | |
| 1681 strcpy(varname, VAR_RANGE3); | |
| 1682 Tcl_UpdateLinkedVar(tclinfo.interp, varname); | |
| 1683 | |
| 1684 strcpy(varname, VAR_LBASE); | |
| 1685 Tcl_UpdateLinkedVar(tclinfo.interp, varname); | |
| 1686 | |
| 1687 name = tclgetbuffer(tclinfo.interp, curbuf); | |
| 1688 strcpy(tclinfo.curbuf, name); | |
| 1689 strcpy(varname, VAR_CURBUF); | |
| 1690 Tcl_UpdateLinkedVar(tclinfo.interp, varname); | |
| 1691 | |
| 1692 name = tclgetwindow(tclinfo.interp, curwin); | |
| 1693 strcpy(tclinfo.curwin, name); | |
| 1694 strcpy(varname, VAR_CURWIN); | |
| 1695 Tcl_UpdateLinkedVar(tclinfo.interp, varname); | |
| 1696 } | |
| 1697 | |
| 1698 | |
| 1699 static int | |
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1700 tclinit(exarg_T *eap) |
| 7 | 1701 { |
| 1702 char varname[VARNAME_SIZE]; /* Tcl_LinkVar requires writeable varname */ | |
| 1703 char *name; | |
| 1704 | |
| 1705 #ifdef DYNAMIC_TCL | |
| 1706 if (!tcl_enabled(TRUE)) | |
| 1707 { | |
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1708 emsg(_("E571: Sorry, this command is disabled: the Tcl library could not be loaded.")); |
| 7 | 1709 return FAIL; |
| 1710 } | |
| 1711 #endif | |
| 1712 | |
| 1713 if (!tclinfo.interp) | |
| 1714 { | |
| 1715 Tcl_Interp *interp; | |
| 1716 static Tcl_Channel ch1, ch2; | |
| 1717 | |
| 3369 | 1718 /* Create replacement channels for stdout and stderr; this has to be |
| 1719 * done each time an interpreter is created since the channels are closed | |
| 1720 * when the interpreter is deleted */ | |
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1721 ch1 = Tcl_CreateChannel(&tcl_channel_type, "vimout", VIMOUT, TCL_WRITABLE); |
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1722 ch2 = Tcl_CreateChannel(&tcl_channel_type, "vimerr", VIMERR, TCL_WRITABLE); |
| 7 | 1723 Tcl_SetStdChannel(ch1, TCL_STDOUT); |
| 1724 Tcl_SetStdChannel(ch2, TCL_STDERR); | |
| 1725 | |
| 1726 interp = Tcl_CreateInterp(); | |
| 1727 Tcl_Preserve(interp); | |
| 1728 if (Tcl_Init(interp) == TCL_ERROR) | |
| 1729 { | |
| 1730 Tcl_Release(interp); | |
| 1731 Tcl_DeleteInterp(interp); | |
| 1732 return FAIL; | |
| 1733 } | |
| 1734 #if 0 | |
| 1735 /* VIM sure is interactive */ | |
| 1736 Tcl_SetVar(interp, "tcl_interactive", "1", TCL_GLOBAL_ONLY); | |
| 1737 #endif | |
| 1738 | |
| 1739 Tcl_SetChannelOption(interp, ch1, "-buffering", "line"); | |
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1740 #ifdef MSWIN |
| 3369 | 1741 Tcl_SetChannelOption(interp, ch1, "-translation", "lf"); |
| 1742 #endif | |
| 7 | 1743 Tcl_SetChannelOption(interp, ch2, "-buffering", "line"); |
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1744 #ifdef MSWIN |
| 3369 | 1745 Tcl_SetChannelOption(interp, ch2, "-translation", "lf"); |
| 1746 #endif | |
| 7 | 1747 |
| 3369 | 1748 /* replace standard Tcl exit command */ |
| 7 | 1749 Tcl_DeleteCommand(interp, "exit"); |
| 1750 Tcl_CreateObjCommand(interp, "exit", exitcmd, | |
| 1751 (ClientData)NULL, (Tcl_CmdDeleteProc *)NULL); | |
| 1752 | |
| 1753 /* new commands, in ::vim namespace */ | |
| 1754 Tcl_CreateObjCommand(interp, "::vim::buffer", buffercmd, | |
| 1755 (ClientData)NULL, (Tcl_CmdDeleteProc *)NULL); | |
| 1756 Tcl_CreateObjCommand(interp, "::vim::window", windowcmd, | |
| 1757 (ClientData)NULL, (Tcl_CmdDeleteProc *)NULL); | |
| 1758 Tcl_CreateObjCommand(interp, "::vim::command", commandcmd, | |
| 1759 (ClientData)NULL, (Tcl_CmdDeleteProc *)NULL); | |
| 1760 Tcl_CreateObjCommand(interp, "::vim::beep", beepcmd, | |
| 1761 (ClientData)NULL, (Tcl_CmdDeleteProc *)NULL); | |
| 1762 Tcl_CreateObjCommand(interp, "::vim::option", optioncmd, | |
| 1763 (ClientData)NULL, (Tcl_CmdDeleteProc *)NULL); | |
| 1764 Tcl_CreateObjCommand(interp, "::vim::expr", exprcmd, | |
| 1765 (ClientData)NULL, (Tcl_CmdDeleteProc *)NULL); | |
| 1766 | |
| 1767 /* "lbase" variable */ | |
| 1768 tclinfo.lbase = 1; | |
| 1769 strcpy(varname, VAR_LBASE); | |
| 1770 Tcl_LinkVar(interp, varname, (char *)&tclinfo.lbase, TCL_LINK_INT); | |
| 1771 | |
| 1772 /* "range" variable */ | |
| 1773 tclinfo.range_start = eap->line1; | |
| 1774 strcpy(varname, VAR_RANGE1); | |
| 1775 Tcl_LinkVar(interp, varname, (char *)&tclinfo.range_start, TCL_LINK_INT|TCL_LINK_READ_ONLY); | |
| 1776 strcpy(varname, VAR_RANGE2); | |
| 1777 Tcl_LinkVar(interp, varname, (char *)&tclinfo.range_start, TCL_LINK_INT|TCL_LINK_READ_ONLY); | |
| 1778 tclinfo.range_end = eap->line2; | |
| 1779 strcpy(varname, VAR_RANGE3); | |
| 1780 Tcl_LinkVar(interp, varname, (char *)&tclinfo.range_end, TCL_LINK_INT|TCL_LINK_READ_ONLY); | |
| 1781 | |
| 1782 /* "current" variable */ | |
| 1783 tclinfo.curbuf = Tcl_Alloc(VARNAME_SIZE); | |
| 1784 tclinfo.curwin = Tcl_Alloc(VARNAME_SIZE); | |
| 1785 name = tclgetbuffer(interp, curbuf); | |
| 1786 strcpy(tclinfo.curbuf, name); | |
| 1787 strcpy(varname, VAR_CURBUF); | |
| 1788 Tcl_LinkVar(interp, varname, (char *)&tclinfo.curbuf, TCL_LINK_STRING|TCL_LINK_READ_ONLY); | |
| 1789 name = tclgetwindow(interp, curwin); | |
| 1790 strcpy(tclinfo.curwin, name); | |
| 1791 strcpy(varname, VAR_CURWIN); | |
| 1792 Tcl_LinkVar(interp, varname, (char *)&tclinfo.curwin, TCL_LINK_STRING|TCL_LINK_READ_ONLY); | |
| 1793 | |
| 1794 tclinfo.interp = interp; | |
| 1795 } | |
| 1796 else | |
| 1797 { | |
| 1798 /* Interpreter already exists, just update variables */ | |
| 1799 tclinfo.range_start = row2tcl(eap->line1); | |
| 1800 tclinfo.range_end = row2tcl(eap->line2); | |
| 1801 tclupdatevars(); | |
| 1802 } | |
| 3369 | 1803 |
| 1804 tclinfo.exitvalue = 0; | |
| 7 | 1805 return OK; |
| 1806 } | |
| 1807 | |
| 1808 static void | |
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1809 tclerrmsg(char *text) |
| 7 | 1810 { |
| 1811 char *next; | |
| 1812 | |
| 1813 while ((next=strchr(text, '\n'))) | |
| 1814 { | |
| 1815 *next++ = '\0'; | |
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1816 emsg(text); |
| 7 | 1817 text = next; |
| 1818 } | |
| 1819 if (*text) | |
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1820 emsg(text); |
| 7 | 1821 } |
| 1822 | |
| 1823 static void | |
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1824 tclmsg(char *text) |
| 7 | 1825 { |
| 1826 char *next; | |
| 1827 | |
| 1828 while ((next=strchr(text, '\n'))) | |
| 1829 { | |
| 1830 *next++ = '\0'; | |
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1831 msg(text); |
| 7 | 1832 text = next; |
| 1833 } | |
| 1834 if (*text) | |
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1835 msg(text); |
| 7 | 1836 } |
| 1837 | |
| 1838 static void | |
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1839 tcldelthisinterp(void) |
| 7 | 1840 { |
| 1841 if (!Tcl_InterpDeleted(tclinfo.interp)) | |
| 1842 Tcl_DeleteInterp(tclinfo.interp); | |
| 1843 Tcl_Release(tclinfo.interp); | |
| 1844 /* The interpreter is now gets deleted. All registered commands (esp. | |
| 1845 * window and buffer commands) are deleted, triggering their deletion | |
| 1846 * callback, which deletes all refs pointing to this interpreter. | |
| 1847 * We could garbage-collect the unused ref structs in all windows and | |
| 1848 * buffers, but unless the user creates hundreds of sub-interpreters | |
| 1222 | 1849 * all referring to lots of windows and buffers, this is hardly worth |
| 7 | 1850 * the effort. Unused refs are recycled by other interpreters, and |
| 1851 * all refs are free'd when the window/buffer gets closed by vim. | |
| 1852 */ | |
| 1853 | |
| 1854 tclinfo.interp = NULL; | |
| 1855 Tcl_Free(tclinfo.curbuf); | |
| 1856 Tcl_Free(tclinfo.curwin); | |
| 1857 tclinfo.curbuf = tclinfo.curwin = NULL; | |
| 1858 } | |
| 1859 | |
| 1860 static int | |
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1861 tclexit(int error) |
| 7 | 1862 { |
| 1863 int newerr = OK; | |
| 1864 | |
| 3369 | 1865 if (Tcl_InterpDeleted(tclinfo.interp) /* True if we intercepted Tcl's exit command */ |
| 1866 #if (TCL_MAJOR_VERSION == 8 && TCL_MINOR_VERSION >= 5) || TCL_MAJOR_VERSION > 8 | |
| 1867 || Tcl_LimitExceeded(tclinfo.interp) /* True if the interpreter cannot continue */ | |
| 1868 #endif | |
| 1869 ) | |
| 7 | 1870 { |
| 274 | 1871 char buf[50]; |
| 7 | 1872 |
| 3369 | 1873 sprintf(buf, _("E572: exit code %d"), tclinfo.exitvalue); |
| 1874 tclerrmsg(buf); | |
| 1875 if (tclinfo.exitvalue == 0) | |
| 7 | 1876 { |
| 3369 | 1877 did_emsg = 0; |
| 1878 newerr = OK; | |
| 7 | 1879 } |
| 1880 else | |
| 3369 | 1881 newerr = FAIL; |
| 7 | 1882 |
| 1883 tcldelthisinterp(); | |
| 1884 } | |
| 1885 else | |
| 1886 { | |
| 1887 char *result; | |
| 1888 | |
| 135 | 1889 result = (char *)Tcl_GetStringResult(tclinfo.interp); |
| 7 | 1890 if (error == TCL_OK) |
| 1891 { | |
| 1892 tclmsg(result); | |
| 1893 newerr = OK; | |
| 1894 } | |
| 1895 else | |
| 1896 { | |
| 1897 tclerrmsg(result); | |
| 1898 newerr = FAIL; | |
| 1899 } | |
| 1900 } | |
| 1901 | |
| 1902 return newerr; | |
| 1903 } | |
| 1904 | |
| 1905 /* | |
| 1906 * ":tcl" | |
| 1907 */ | |
| 1908 void | |
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1909 ex_tcl(exarg_T *eap) |
| 7 | 1910 { |
| 1911 char_u *script; | |
| 1912 int err; | |
| 1913 | |
| 1914 script = script_get(eap, eap->arg); | |
| 1915 if (!eap->skip) | |
| 1916 { | |
| 1917 err = tclinit(eap); | |
| 1918 if (err == OK) | |
| 1919 { | |
| 1920 Tcl_AllowExceptions(tclinfo.interp); | |
| 1921 if (script == NULL) | |
| 1922 err = Tcl_Eval(tclinfo.interp, (char *)eap->arg); | |
| 1923 else | |
| 1924 err = Tcl_Eval(tclinfo.interp, (char *)script); | |
| 1925 err = tclexit(err); | |
| 1926 } | |
| 1927 } | |
| 1928 vim_free(script); | |
| 1929 } | |
| 1930 | |
| 1931 /* | |
| 1932 * ":tclfile" | |
| 1933 */ | |
| 1934 void | |
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1935 ex_tclfile(exarg_T *eap) |
| 7 | 1936 { |
| 1937 char *file = (char *)eap->arg; | |
| 1938 int err; | |
| 1939 | |
| 1940 err = tclinit(eap); | |
| 1941 if (err == OK) | |
| 1942 { | |
| 1943 Tcl_AllowExceptions(tclinfo.interp); | |
| 1944 err = Tcl_EvalFile(tclinfo.interp, file); | |
| 1945 err = tclexit(err); | |
| 1946 } | |
| 1947 } | |
| 1948 | |
| 1949 /* | |
| 1950 * ":tcldo" | |
| 1951 */ | |
| 1952 void | |
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1953 ex_tcldo(exarg_T *eap) |
| 7 | 1954 { |
| 1955 char *script, *line; | |
| 1956 int err, rs, re, lnum; | |
| 1957 char var_lnum[VARNAME_SIZE]; /* must be writeable memory */ | |
| 1958 char var_line[VARNAME_SIZE]; | |
| 1959 linenr_T first_line = 0; | |
| 1960 linenr_T last_line = 0; | |
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1961 buf_T *was_curbuf = curbuf; |
| 7 | 1962 |
| 1963 rs = eap->line1; | |
| 1964 re = eap->line2; | |
| 1965 script = (char *)eap->arg; | |
| 1966 strcpy(var_lnum, VAR_CURLNUM); | |
| 1967 strcpy(var_line, VAR_CURLINE); | |
| 1968 | |
| 1969 err = tclinit(eap); | |
| 1970 if (err != OK) | |
| 1971 return; | |
| 1972 | |
| 1973 lnum = row2tcl(rs); | |
| 1974 Tcl_LinkVar(tclinfo.interp, var_lnum, (char *)&lnum, TCL_LINK_INT|TCL_LINK_READ_ONLY); | |
| 1975 err = TCL_OK; | |
| 1976 if (u_save((linenr_T)(rs-1), (linenr_T)(re+1)) != OK) | |
| 1977 { | |
| 1978 Tcl_SetResult(tclinfo.interp, _("cannot save undo information"), TCL_STATIC); | |
| 1979 err = TCL_ERROR; | |
| 1980 } | |
| 1981 while (err == TCL_OK && rs <= re) | |
| 1982 { | |
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1983 if ((linenr_T)rs > curbuf->b_ml.ml_line_count) |
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1984 break; |
| 7 | 1985 line = (char *)ml_get_buf(curbuf, (linenr_T)rs, FALSE); |
| 1986 if (!line) | |
| 1987 { | |
| 1988 Tcl_SetResult(tclinfo.interp, _("cannot get line"), TCL_STATIC); | |
| 1989 err = TCL_ERROR; | |
| 1990 break; | |
| 1991 } | |
| 1992 Tcl_SetVar(tclinfo.interp, var_line, line, 0); | |
| 1993 Tcl_AllowExceptions(tclinfo.interp); | |
| 1994 err = Tcl_Eval(tclinfo.interp, script); | |
| 3369 | 1995 if (err != TCL_OK |
| 1996 || Tcl_InterpDeleted(tclinfo.interp) | |
| 1997 #if (TCL_MAJOR_VERSION == 8 && TCL_MINOR_VERSION >= 5) || TCL_MAJOR_VERSION > 8 | |
| 1998 || Tcl_LimitExceeded(tclinfo.interp) | |
| 1999 #endif | |
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2000 || curbuf != was_curbuf) |
| 7 | 2001 break; |
| 135 | 2002 line = (char *)Tcl_GetVar(tclinfo.interp, var_line, 0); |
| 7 | 2003 if (line) |
| 2004 { | |
| 2005 if (ml_replace((linenr_T)rs, (char_u *)line, TRUE) != OK) | |
| 2006 { | |
| 2007 Tcl_SetResult(tclinfo.interp, _("cannot replace line"), TCL_STATIC); | |
| 2008 err = TCL_ERROR; | |
| 2009 break; | |
| 2010 } | |
| 2011 if (first_line == 0) | |
| 2012 first_line = rs; | |
| 2013 last_line = rs; | |
| 2014 } | |
| 2015 ++rs; | |
| 2016 ++lnum; | |
| 2017 Tcl_UpdateLinkedVar(tclinfo.interp, var_lnum); | |
| 2018 } | |
| 2019 if (first_line) | |
| 2020 changed_lines(first_line, 0, last_line + 1, (long)0); | |
| 2021 | |
| 2022 Tcl_UnsetVar(tclinfo.interp, var_line, 0); | |
| 2023 Tcl_UnlinkVar(tclinfo.interp, var_lnum); | |
| 2024 if (err == TCL_OK) | |
| 2025 Tcl_ResetResult(tclinfo.interp); | |
| 2026 | |
| 2027 (void)tclexit(err); | |
| 2028 } | |
| 2029 | |
| 2030 static void | |
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2031 tcldelallrefs(struct ref *ref) |
| 7 | 2032 { |
| 2033 struct ref *next; | |
| 2034 int err; | |
| 2035 char *result; | |
| 2036 | |
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2037 #ifdef DYNAMIC_TCL |
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2038 /* TODO: this code currently crashes Vim on exit */ |
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2039 if (exiting) |
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2040 return; |
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2041 #endif |
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2042 |
| 7 | 2043 while (ref != NULL) |
| 2044 { | |
| 2045 next = ref->next; | |
| 2046 if (ref->interp) | |
| 2047 { | |
| 2048 if (ref->delcmd) | |
| 2049 { | |
| 2050 err = Tcl_GlobalEvalObj(ref->interp, ref->delcmd); | |
| 2051 if (err != TCL_OK) | |
| 2052 { | |
| 135 | 2053 result = (char *)Tcl_GetStringResult(ref->interp); |
| 7 | 2054 if (result) |
| 2055 tclerrmsg(result); | |
| 2056 } | |
| 2057 Tcl_DecrRefCount(ref->delcmd); | |
| 2058 ref->delcmd = NULL; | |
| 2059 } | |
| 2060 Tcl_DeleteCommandFromToken(ref->interp, ref->cmd); | |
| 2061 } | |
| 2062 Tcl_Free((char *)ref); | |
| 2063 ref = next; | |
| 2064 } | |
| 2065 } | |
| 2066 | |
| 2067 void | |
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2068 tcl_buffer_free(buf_T *buf) |
| 7 | 2069 { |
| 2070 struct ref *reflist; | |
| 2071 | |
| 2072 #ifdef DYNAMIC_TCL | |
| 2073 if (!stubs_initialized) /* Not using Tcl, nothing to do. */ | |
| 2074 return; | |
| 2075 #endif | |
| 2076 | |
| 502 | 2077 reflist = (struct ref *)(buf->b_tcl_ref); |
| 7 | 2078 if (reflist != &refsdeleted) |
| 2079 { | |
| 502 | 2080 buf->b_tcl_ref = (void *)&refsdeleted; |
| 7 | 2081 tcldelallrefs(reflist); |
| 502 | 2082 buf->b_tcl_ref = NULL; |
| 7 | 2083 } |
| 2084 } | |
| 2085 | |
| 2086 void | |
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2087 tcl_window_free(win_T *win) |
| 7 | 2088 { |
| 2089 struct ref *reflist; | |
| 2090 | |
| 2091 #ifdef DYNAMIC_TCL | |
| 2092 if (!stubs_initialized) /* Not using Tcl, nothing to do. */ | |
| 2093 return; | |
| 2094 #endif | |
| 2095 | |
| 502 | 2096 reflist = (struct ref*)(win->w_tcl_ref); |
| 7 | 2097 if (reflist != &refsdeleted) |
| 2098 { | |
| 502 | 2099 win->w_tcl_ref = (void *)&refsdeleted; |
| 7 | 2100 tcldelallrefs(reflist); |
| 502 | 2101 win->w_tcl_ref = NULL; |
| 7 | 2102 } |
| 2103 } | |
| 2104 | |
| 2105 /* The End */ |