Mercurial > vim
annotate src/if_tcl.c @ 7601:88c4c634e919
Added tag v7.4.1099 for changeset fa59fafb6a9464b579504aa6c5abe6d5d0382f0d
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Fri, 15 Jan 2016 22:15:05 +0100 |
| parents | aee06f1762e0 |
| children | d30f4f9b1024 |
| rev | line source |
|---|---|
| 7 | 1 /* vi:set ts=8 sw=4: |
| 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. | |
| 502 | 116 * Each buffer and window has it's own list in the w_tcl_ref or b_tcl_ref |
| 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 WIN3264 |
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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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commit https://github.com/vim/vim/commit/8a5115cf18751022387af2085f374d38c60dde83
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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) | |
| 216 EMSG2(_(e_loadlib), libname); | |
| 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) | |
| 227 EMSG2(_(e_loadfunc), tcl_funcname_table[i].name); | |
| 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 | |
| 240 vim_tcl_init(arg) | |
| 241 char *arg; | |
| 242 { | |
| 243 #ifndef DYNAMIC_TCL | |
| 244 Tcl_FindExecutable(arg); | |
| 245 #else | |
| 246 find_executable_arg = arg; | |
| 247 #endif | |
| 248 } | |
| 249 | |
| 250 #if defined(DYNAMIC_TCL) || defined(PROTO) | |
| 251 | |
| 252 static int stubs_initialized = FALSE; | |
| 253 | |
| 254 /* | |
| 255 * Return TRUE if the TCL interface can be used. | |
| 256 */ | |
| 257 int | |
| 258 tcl_enabled(verbose) | |
| 259 int verbose; | |
| 260 { | |
| 261 if (!stubs_initialized && find_executable_arg != NULL | |
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262 && tcl_runtime_link_init((char *)p_tcldll, verbose) == OK) |
| 7 | 263 { |
| 264 Tcl_Interp *interp; | |
| 265 | |
| 5390 | 266 dll_Tcl_FindExecutable(find_executable_arg); |
| 267 | |
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268 if ((interp = dll_Tcl_CreateInterp()) != NULL) |
| 7 | 269 { |
| 270 if (Tcl_InitStubs(interp, DYNAMIC_TCL_VER, 0)) | |
| 271 { | |
| 272 Tcl_DeleteInterp(interp); | |
| 273 stubs_initialized = TRUE; | |
| 274 } | |
| 275 /* FIXME: When Tcl_InitStubs() was failed, how delete interp? */ | |
| 276 } | |
| 277 } | |
| 278 return stubs_initialized; | |
| 279 } | |
| 280 #endif | |
| 281 | |
| 282 void | |
| 283 tcl_end() | |
| 284 { | |
| 285 #ifdef DYNAMIC_TCL | |
| 286 if (hTclLib) | |
| 287 { | |
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288 close_dll(hTclLib); |
| 7 | 289 hTclLib = NULL; |
| 290 } | |
| 291 #endif | |
| 292 } | |
| 293 | |
| 294 /**************************************************************************** | |
| 295 Tcl commands | |
| 296 ****************************************************************************/ | |
| 297 | |
| 298 /* | |
| 3369 | 299 * Replace standard "exit" command. |
| 7 | 300 * |
| 3369 | 301 * Delete the Tcl interpreter; a new one will be created with the next |
| 302 * :tcl command). The exit code is saved (and retrieved in tclexit()). | |
| 303 * Since Tcl's exit is never expected to return and this replacement | |
| 304 * does, then (except for a trivial case) additional Tcl commands will | |
| 305 * be run. Since the interpreter is now marked as deleted, an error | |
| 306 * will be returned -- typically "attempt to call eval in deleted | |
| 307 * interpreter". Hopefully, at this point, checks for TCL_ERROR take | |
| 308 * place and control percolates back up to Vim -- but with this new error | |
| 309 * string in the interpreter's result value. Therefore it would be | |
| 310 * useless for this routine to return the exit code via Tcl_SetResult(). | |
| 7 | 311 */ |
| 312 static int | |
| 313 exitcmd(dummy, interp, objc, objv) | |
| 1889 | 314 ClientData dummy UNUSED; |
| 7 | 315 Tcl_Interp *interp; |
| 316 int objc; | |
| 317 Tcl_Obj *CONST objv[]; | |
| 318 { | |
| 319 int value = 0; | |
| 320 | |
| 321 switch (objc) | |
| 322 { | |
| 323 case 2: | |
| 324 if (Tcl_GetIntFromObj(interp, objv[1], &value) != TCL_OK) | |
| 325 break; | |
| 326 /* FALLTHROUGH */ | |
| 327 case 1: | |
| 3369 | 328 tclinfo.exitvalue = value; |
| 329 | |
| 330 Tcl_DeleteInterp(interp); | |
| 331 break; | |
| 7 | 332 default: |
| 333 Tcl_WrongNumArgs(interp, 1, objv, "?returnCode?"); | |
| 334 } | |
| 335 return TCL_ERROR; | |
| 336 } | |
| 337 | |
| 338 /* | |
| 339 * "::vim::beep" - what Vi[m] does best :-) | |
| 340 */ | |
| 341 static int | |
| 342 beepcmd(dummy, interp, objc, objv) | |
| 1889 | 343 ClientData dummy UNUSED; |
| 7 | 344 Tcl_Interp *interp; |
| 345 int objc; | |
| 346 Tcl_Obj *CONST objv[]; | |
| 347 { | |
| 348 if (objc != 1) | |
| 349 { | |
| 350 Tcl_WrongNumArgs(interp, 1, objv, NULL); | |
| 351 return TCL_ERROR; | |
| 352 } | |
| 6949 | 353 vim_beep(BO_LANG); |
| 7 | 354 return TCL_OK; |
| 355 } | |
| 356 | |
| 357 /* | |
| 358 * "::vim::buffer list" - create a list of buffer commands. | |
| 1222 | 359 * "::vim::buffer {N}" - create buffer command for buffer N. |
| 3369 | 360 * "::vim::buffer exists {N}" - test if buffer N exists. |
| 7 | 361 * "::vim::buffer new" - create a new buffer (not implemented) |
| 362 */ | |
| 363 static int | |
| 364 buffercmd(dummy, interp, objc, objv) | |
| 1889 | 365 ClientData dummy UNUSED; |
| 7 | 366 Tcl_Interp *interp; |
| 367 int objc; | |
| 368 Tcl_Obj *CONST objv[]; | |
| 369 { | |
| 370 char *name; | |
| 371 buf_T *buf; | |
| 372 Tcl_Obj *resobj; | |
| 373 int err, n, idx; | |
| 374 enum {BCMD_EXISTS, BCMD_LIST}; | |
| 135 | 375 static CONST84 char *bcmdoptions[] = |
| 7 | 376 { |
| 377 "exists", "list", (char *)0 | |
| 378 }; | |
| 379 | |
| 380 if (objc < 2) | |
| 381 { | |
| 382 Tcl_WrongNumArgs(interp, 1, objv, "option"); | |
| 383 return TCL_ERROR; | |
| 384 } | |
| 385 err = Tcl_GetIntFromObj(interp, objv[1], &n); | |
| 386 if (err == TCL_OK) | |
| 387 { | |
| 388 if (objc != 2) | |
| 389 { | |
| 390 Tcl_WrongNumArgs(interp, 1, objv, "bufNumber"); | |
| 391 return TCL_ERROR; | |
| 392 } | |
| 393 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
| 394 { | |
| 395 if (buf->b_fnum == n) | |
| 396 { | |
| 397 name = tclgetbuffer(interp, buf); | |
| 398 if (name == NULL) | |
| 399 return TCL_ERROR; | |
| 400 Tcl_SetResult(interp, name, TCL_VOLATILE); | |
| 401 return TCL_OK; | |
| 402 } | |
| 403 } | |
| 404 Tcl_SetResult(interp, _("invalid buffer number"), TCL_STATIC); | |
| 405 return TCL_ERROR; | |
| 406 } | |
| 407 Tcl_ResetResult(interp); /* clear error from Tcl_GetIntFromObj */ | |
| 408 | |
| 409 err = Tcl_GetIndexFromObj(interp, objv[1], bcmdoptions, "option", 0, &idx); | |
| 410 if (err != TCL_OK) | |
| 411 return err; | |
| 412 switch (idx) | |
| 413 { | |
| 414 case BCMD_LIST: | |
| 415 if (objc != 2) | |
| 416 { | |
| 417 Tcl_WrongNumArgs(interp, 2, objv, ""); | |
| 418 err = TCL_ERROR; | |
| 419 break; | |
| 420 } | |
| 421 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
| 422 { | |
| 423 name = tclgetbuffer(interp, buf); | |
| 424 if (name == NULL) | |
| 425 { | |
| 426 err = TCL_ERROR; | |
| 427 break; | |
| 428 } | |
| 429 Tcl_AppendElement(interp, name); | |
| 430 } | |
| 431 break; | |
| 432 | |
| 433 case BCMD_EXISTS: | |
| 434 if (objc != 3) | |
| 435 { | |
| 436 Tcl_WrongNumArgs(interp, 2, objv, "bufNumber"); | |
| 437 err = TCL_ERROR; | |
| 438 break; | |
| 439 } | |
| 440 err = Tcl_GetIntFromObj(interp, objv[2], &n); | |
| 441 if (err == TCL_OK) | |
| 442 { | |
| 443 buf = buflist_findnr(n); | |
| 444 resobj = Tcl_NewIntObj(buf != NULL); | |
| 445 Tcl_SetObjResult(interp, resobj); | |
| 446 } | |
| 447 break; | |
| 448 | |
| 449 default: | |
| 450 Tcl_SetResult(interp, _("not implemented yet"), TCL_STATIC); | |
| 451 err = TCL_ERROR; | |
| 452 } | |
| 453 return err; | |
| 454 } | |
| 455 | |
| 456 /* | |
| 457 * "::vim::window list" - create list of window commands. | |
| 458 */ | |
| 459 static int | |
| 460 windowcmd(dummy, interp, objc, objv) | |
| 1889 | 461 ClientData dummy UNUSED; |
| 7 | 462 Tcl_Interp *interp; |
| 463 int objc; | |
| 464 Tcl_Obj *CONST objv[]; | |
| 465 { | |
| 466 char *what, *string; | |
| 467 win_T *win; | |
| 468 | |
| 469 if (objc != 2) | |
| 470 { | |
| 471 Tcl_WrongNumArgs(interp, 1, objv, "option"); | |
| 472 return TCL_ERROR; | |
| 473 } | |
| 474 what = Tcl_GetStringFromObj(objv[1], NULL); | |
| 475 if (strcmp(what, "list") == 0) | |
| 476 { | |
| 477 FOR_ALL_WINDOWS(win) | |
| 478 { | |
| 479 string = tclgetwindow(interp, win); | |
| 480 if (string == NULL) | |
| 481 return TCL_ERROR; | |
| 482 Tcl_AppendElement(interp, string); | |
| 483 } | |
| 484 return TCL_OK; | |
| 485 } | |
| 486 Tcl_SetResult(interp, _("unknown option"), TCL_STATIC); | |
| 487 return TCL_ERROR; | |
| 488 } | |
| 489 | |
| 490 /* | |
| 491 * flags for bufselfcmd and winselfcmd to indicate outstanding actions. | |
| 492 */ | |
| 493 #define FL_UPDATE_SCREEN (1<<0) | |
| 494 #define FL_UPDATE_CURBUF (1<<1) | |
| 495 #define FL_ADJUST_CURSOR (1<<2) | |
| 496 | |
| 497 /* | |
| 498 * This function implements the buffer commands. | |
| 499 */ | |
| 500 static int | |
| 501 bufselfcmd(ref, interp, objc, objv) | |
| 502 ClientData ref; | |
| 503 Tcl_Interp *interp; | |
| 504 int objc; | |
| 505 Tcl_Obj *CONST objv[]; | |
| 506 { | |
| 507 int opt, err, idx, flags; | |
| 508 int val1, val2, n, i; | |
| 509 buf_T *buf, *savebuf; | |
| 510 win_T *win, *savewin; | |
| 511 Tcl_Obj *resobj; | |
| 512 pos_T *pos; | |
| 513 char *line; | |
| 514 | |
| 515 enum | |
| 516 { | |
| 517 BUF_APPEND, BUF_COMMAND, BUF_COUNT, BUF_DELCMD, BUF_DELETE, BUF_EXPR, | |
| 518 BUF_GET, BUF_INSERT, BUF_LAST, BUF_MARK, BUF_NAME, BUF_NUMBER, | |
| 519 BUF_OPTION, BUF_SET, BUF_WINDOWS | |
| 520 }; | |
| 135 | 521 static CONST84 char *bufoptions[] = |
| 7 | 522 { |
| 523 "append", "command", "count", "delcmd", "delete", "expr", | |
| 524 "get", "insert", "last", "mark", "name", "number", | |
| 525 "option", "set", "windows", (char *)0 | |
| 526 }; | |
| 527 | |
| 528 if (objc < 2) | |
| 529 { | |
| 530 Tcl_WrongNumArgs(interp, 1, objv, "option ?arg ...?"); | |
| 531 return TCL_ERROR; | |
| 532 } | |
| 533 | |
| 534 err = Tcl_GetIndexFromObj(interp, objv[1], bufoptions, "option", 0, &idx); | |
| 535 if (err != TCL_OK) | |
| 536 return err; | |
| 537 | |
| 538 buf = (buf_T *)((struct ref *)ref)->vimobj; | |
| 539 savebuf = curbuf; curbuf = buf; | |
| 540 savewin = curwin; curwin = tclfindwin(buf); | |
| 541 flags = 0; | |
| 542 opt = 0; | |
| 543 | |
| 544 switch (idx) | |
| 545 { | |
| 546 case BUF_COMMAND: | |
| 547 err = tcldoexcommand(interp, objc, objv, 2); | |
| 548 flags |= FL_UPDATE_SCREEN; | |
| 549 break; | |
| 550 | |
| 551 case BUF_OPTION: | |
| 552 err = tclsetoption(interp, objc, objv, 2); | |
| 553 flags |= FL_UPDATE_SCREEN; | |
| 554 break; | |
| 555 | |
| 556 case BUF_EXPR: | |
| 557 err = tclvimexpr(interp, objc, objv, 2); | |
| 558 break; | |
| 559 | |
| 560 case BUF_NAME: | |
| 561 /* | |
| 562 * Get filename of buffer. | |
| 563 */ | |
| 564 if (objc != 2) | |
| 565 { | |
| 566 Tcl_WrongNumArgs(interp, 2, objv, NULL); | |
| 567 err = TCL_ERROR; | |
| 568 break; | |
| 569 } | |
| 570 if (buf->b_ffname) | |
| 571 Tcl_SetResult(interp, (char *)buf->b_ffname, TCL_VOLATILE); | |
| 572 else | |
| 573 Tcl_SetResult(interp, "", TCL_STATIC); | |
| 574 break; | |
| 575 | |
| 576 case BUF_LAST: | |
| 577 /* | |
| 578 * Get line number of last line. | |
| 579 */ | |
| 580 opt = 1; | |
| 581 /* fallthrough */ | |
| 582 case BUF_COUNT: | |
| 583 /* | |
| 584 * Get number of lines in buffer. | |
| 585 */ | |
| 586 if (objc != 2) | |
| 587 { | |
| 588 Tcl_WrongNumArgs(interp, 2, objv, NULL); | |
| 589 err = TCL_ERROR; | |
| 590 break; | |
| 591 } | |
| 592 val1 = (int)buf->b_ml.ml_line_count; | |
| 593 if (opt) | |
| 594 val1 = row2tcl(val1); | |
| 595 | |
| 596 resobj = Tcl_NewIntObj(val1); | |
| 597 Tcl_SetObjResult(interp, resobj); | |
| 598 break; | |
| 599 | |
| 600 case BUF_NUMBER: | |
| 601 /* | |
| 602 * Get buffer's number. | |
| 603 */ | |
| 604 if (objc != 2) | |
| 605 { | |
| 606 Tcl_WrongNumArgs(interp, 2, objv, NULL); | |
| 607 err = TCL_ERROR; | |
| 608 break; | |
| 609 } | |
| 610 resobj = Tcl_NewIntObj((int)buf->b_fnum); | |
| 611 Tcl_SetObjResult(interp, resobj); | |
| 612 break; | |
| 613 | |
| 614 case BUF_GET: | |
| 615 if (objc != 3 && objc != 4) | |
| 616 { | |
| 617 Tcl_WrongNumArgs(interp, 2, objv, "lineNumber ?lineNumber?"); | |
| 618 err = TCL_ERROR; | |
| 619 break; | |
| 620 } | |
| 621 err = tclgetlinenum(interp, objv[2], &val1, buf); | |
| 622 if (err != TCL_OK) | |
| 623 break; | |
| 624 if (objc == 4) | |
| 625 { | |
| 626 err = tclgetlinenum(interp, objv[3], &val2, buf); | |
| 627 if (err != TCL_OK) | |
| 628 break; | |
| 629 if (val1 > val2) | |
| 630 { | |
| 631 n = val1; val1 = val2; val2 = n; | |
| 632 } | |
| 633 Tcl_ResetResult(interp); | |
| 634 | |
| 635 for (n = val1; n <= val2 && err == TCL_OK; n++) | |
| 636 { | |
| 637 line = (char *)ml_get_buf(buf, (linenr_T)n, FALSE); | |
| 638 if (line) | |
| 639 Tcl_AppendElement(interp, line); | |
| 640 else | |
| 641 err = TCL_ERROR; | |
| 642 } | |
| 643 } | |
| 644 else { /* objc == 3 */ | |
| 645 line = (char *)ml_get_buf(buf, (linenr_T)val1, FALSE); | |
| 646 Tcl_SetResult(interp, line, TCL_VOLATILE); | |
| 647 } | |
| 648 break; | |
| 649 | |
| 650 case BUF_SET: | |
| 651 if (objc != 4 && objc != 5) | |
| 652 { | |
| 653 Tcl_WrongNumArgs(interp, 3, objv, "lineNumber ?lineNumber? stringOrList"); | |
| 654 err = TCL_ERROR; | |
| 655 break; | |
| 656 } | |
| 657 err = tclgetlinenum(interp, objv[2], &val1, buf); | |
| 658 if (err != TCL_OK) | |
| 659 return TCL_ERROR; | |
| 660 if (objc == 4) | |
| 661 { | |
| 662 /* | |
| 663 * Replace one line with a string. | |
| 664 * $buf set {n} {string} | |
| 665 */ | |
| 666 line = Tcl_GetStringFromObj(objv[3], NULL); | |
| 667 if (u_savesub((linenr_T)val1) != OK) | |
| 668 { | |
| 669 Tcl_SetResult(interp, _("cannot save undo information"), TCL_STATIC); | |
| 670 err = TCL_ERROR; | |
| 671 } | |
| 672 else | |
| 673 if (ml_replace((linenr_T)val1, (char_u *)line, TRUE) != OK) | |
| 674 { | |
| 675 Tcl_SetResult(interp, _("cannot replace line"), TCL_STATIC); | |
| 676 err = TCL_ERROR; | |
| 677 } | |
| 678 else | |
| 679 { | |
| 680 changed_bytes((linenr_T)val1, 0); | |
| 681 flags |= FL_UPDATE_CURBUF; | |
| 682 } | |
| 683 break; | |
| 684 } | |
| 685 else | |
| 686 { | |
| 687 /* | |
| 688 * Replace several lines with the elements of a Tcl list. | |
| 689 * $buf set {n} {m} {list} | |
| 690 * If the list contains more than {m}-{n}+1 elements, they | |
| 691 * are * inserted after line {m}. If the list contains fewer | |
| 692 * elements, * the lines from {n}+length({list}) through {m} | |
| 693 * are deleted. | |
| 694 */ | |
| 695 int lc; | |
| 696 Tcl_Obj **lv; | |
| 697 | |
| 698 err = tclgetlinenum(interp, objv[3], &val2, buf); | |
| 699 if (err != TCL_OK) | |
| 700 break; | |
| 701 err = Tcl_ListObjGetElements(interp, objv[4], &lc, &lv); | |
| 702 if (err != TCL_OK) | |
| 703 break; | |
| 704 if (val1 > val2) | |
| 705 { | |
| 706 n = val1; | |
| 707 val1 = val2; | |
| 708 val2 = n; | |
| 709 } | |
| 710 | |
| 711 n = val1; | |
| 712 if (u_save((linenr_T)(val1 - 1), (linenr_T)(val2 + 1)) != OK) | |
| 713 { | |
| 714 Tcl_SetResult(interp, _("cannot save undo information"), | |
| 715 TCL_STATIC); | |
| 716 err = TCL_ERROR; | |
| 717 break; | |
| 718 } | |
| 719 flags |= FL_UPDATE_CURBUF; | |
| 720 | |
| 721 for (i = 0; i < lc && n <= val2; i++) | |
| 722 { | |
| 723 line = Tcl_GetStringFromObj(lv[i], NULL); | |
| 724 if (ml_replace((linenr_T)n, (char_u *)line, TRUE) != OK) | |
| 725 goto setListError; | |
| 726 ++n; | |
| 727 } | |
| 728 if (i < lc) | |
| 729 { | |
| 730 /* append lines */ | |
| 731 do | |
| 732 { | |
| 733 line = Tcl_GetStringFromObj(lv[i], NULL); | |
| 734 if (ml_append((linenr_T)(n - 1), | |
| 735 (char_u *)line, 0, FALSE) != OK) | |
| 736 goto setListError; | |
| 737 ++n; | |
| 738 ++i; | |
| 739 } while (i < lc); | |
| 740 } | |
| 741 else if (n <= val2) | |
| 742 { | |
| 743 /* did not replace all lines, delete */ | |
| 744 i = n; | |
| 745 do | |
| 746 { | |
| 747 if (ml_delete((linenr_T)i, FALSE) != OK) | |
| 748 goto setListError; | |
| 749 ++n; | |
| 750 } while (n <= val2); | |
| 751 } | |
| 752 lc -= val2 - val1 + 1; /* number of lines to be replaced */ | |
| 753 mark_adjust((linenr_T)val1, (linenr_T)val2, (long)MAXLNUM, | |
| 754 (long)lc); | |
| 755 changed_lines((linenr_T)val1, 0, (linenr_T)val2 + 1, (long)lc); | |
| 756 break; | |
| 757 setListError: | |
| 758 u_undo(1); /* ??? */ | |
| 759 Tcl_SetResult(interp, _("cannot set line(s)"), TCL_STATIC); | |
| 760 err = TCL_ERROR; | |
| 761 } | |
| 762 break; | |
| 763 | |
| 764 case BUF_DELETE: | |
| 765 if (objc != 3 && objc != 4) | |
| 766 { | |
| 767 Tcl_WrongNumArgs(interp, 3, objv, "lineNumber ?lineNumber?"); | |
| 768 err = TCL_ERROR; | |
| 769 break; | |
| 770 } | |
| 771 err = tclgetlinenum(interp, objv[2], &val1, buf); | |
| 772 if (err != TCL_OK) | |
| 773 break; | |
| 774 val2 = val1; | |
| 775 if (objc == 4) | |
| 776 { | |
| 777 err = tclgetlinenum(interp, objv[3], &val2, buf); | |
| 778 if (err != TCL_OK) | |
| 779 return err; | |
| 780 if (val1 > val2) | |
| 781 { | |
| 782 i = val1; val1 = val2; val2 = i; | |
| 783 } | |
| 784 } | |
| 785 n = val2 - val1 + 1; | |
| 786 if (u_savedel((linenr_T)val1, (long)n) != OK) | |
| 787 { | |
| 788 Tcl_SetResult(interp, _("cannot save undo information"), | |
| 789 TCL_STATIC); | |
| 790 err = TCL_ERROR; | |
| 791 break; | |
| 792 } | |
| 793 for (i = 0; i < n; i++) | |
| 794 { | |
| 795 ml_delete((linenr_T)val1, FALSE); | |
| 796 err = vimerror(interp); | |
| 797 if (err != TCL_OK) | |
| 798 break; | |
| 799 } | |
| 800 if (i > 0) | |
| 801 deleted_lines_mark((linenr_T)val1, (long)i); | |
| 802 flags |= FL_ADJUST_CURSOR|FL_UPDATE_SCREEN; | |
| 803 break; | |
| 804 | |
| 805 case BUF_MARK: | |
| 806 if (objc != 3) | |
| 807 { | |
| 808 Tcl_WrongNumArgs(interp, 2, objv, "markName"); | |
| 809 err = TCL_ERROR; | |
| 810 break; | |
| 811 } | |
| 812 line = Tcl_GetStringFromObj(objv[2], NULL); | |
| 813 | |
| 814 pos = NULL; | |
| 815 if (line[0] != '\0' && line[1] == '\0') | |
| 816 { | |
| 817 pos = getmark(line[0], FALSE); | |
| 818 } | |
| 819 if (pos == NULL) | |
| 820 { | |
| 821 Tcl_SetResult(interp, _("invalid mark name"), TCL_STATIC); | |
| 822 err = TCL_ERROR; | |
| 823 break; | |
| 824 } | |
| 825 err = vimerror(interp); | |
| 826 if (err != TCL_OK) | |
| 827 break; | |
| 828 if (pos->lnum <= 0) | |
| 829 { | |
| 830 Tcl_SetResult(interp, _("mark not set"), TCL_STATIC); | |
| 831 err = TCL_ERROR; | |
| 832 } | |
| 833 else | |
| 834 { | |
| 835 char rbuf[64]; | |
| 274 | 836 |
| 837 sprintf(rbuf, _("row %d column %d"), | |
| 838 (int)row2tcl(pos->lnum), (int)col2tcl(pos->col)); | |
| 7 | 839 Tcl_SetResult(interp, rbuf, TCL_VOLATILE); |
| 840 } | |
| 841 break; | |
| 842 | |
| 843 case BUF_INSERT: | |
| 844 opt = 1; | |
| 845 /* fallthrough */ | |
| 846 case BUF_APPEND: | |
| 847 if (objc != 4) | |
| 848 { | |
| 849 Tcl_WrongNumArgs(interp, 2, objv, "lineNum text"); | |
| 850 err = TCL_ERROR; | |
| 851 break; | |
| 852 } | |
| 853 err = tclgetlinenum(interp, objv[2], &val1, buf); | |
| 854 if (err != TCL_OK) | |
| 855 break; | |
| 856 if (opt) | |
| 857 --val1; | |
| 858 if (u_save((linenr_T)val1, (linenr_T)(val1+1)) != OK) | |
| 859 { | |
| 274 | 860 Tcl_SetResult(interp, _("cannot save undo information"), |
| 861 TCL_STATIC); | |
| 7 | 862 err = TCL_ERROR; |
| 863 break; | |
| 864 } | |
| 865 | |
| 866 line = Tcl_GetStringFromObj(objv[3], NULL); | |
| 867 if (ml_append((linenr_T)val1, (char_u *)line, 0, FALSE) != OK) | |
| 868 { | |
| 274 | 869 Tcl_SetResult(interp, _("cannot insert/append line"), |
| 870 TCL_STATIC); | |
| 7 | 871 err = TCL_ERROR; |
| 872 break; | |
| 873 } | |
| 874 appended_lines_mark((linenr_T)val1, 1L); | |
| 875 flags |= FL_UPDATE_SCREEN; | |
| 876 break; | |
| 877 | |
| 878 case BUF_WINDOWS: | |
| 879 /* | |
| 880 * Return list of window commands. | |
| 881 */ | |
| 882 if (objc != 2) | |
| 883 { | |
| 884 Tcl_WrongNumArgs(interp, 2, objv, NULL); | |
| 885 err = TCL_ERROR; | |
| 886 break; | |
| 887 } | |
| 888 Tcl_ResetResult(interp); | |
| 889 FOR_ALL_WINDOWS(win) | |
| 890 { | |
| 891 if (win->w_buffer == buf) | |
| 892 { | |
| 893 line = tclgetwindow(interp, win); | |
| 894 if (line != NULL) | |
| 895 Tcl_AppendElement(interp, line); | |
| 896 else | |
| 897 { | |
| 898 err = TCL_ERROR; | |
| 899 break; | |
| 900 } | |
| 901 } | |
| 902 } | |
| 903 break; | |
| 904 | |
| 905 case BUF_DELCMD: | |
| 906 /* | |
| 907 * Register deletion callback. | |
| 908 * TODO: Should be able to register multiple callbacks | |
| 909 */ | |
| 910 if (objc != 3) | |
| 911 { | |
| 912 Tcl_WrongNumArgs(interp, 2, objv, "command"); | |
| 913 err = TCL_ERROR; | |
| 914 break; | |
| 915 } | |
| 502 | 916 err = tclsetdelcmd(interp, buf->b_tcl_ref, (void *)buf, objv[2]); |
| 7 | 917 break; |
| 918 | |
| 919 default: | |
| 920 Tcl_SetResult(interp, _("not implemented yet"), TCL_STATIC); | |
| 921 err = TCL_ERROR; | |
| 922 } | |
| 923 | |
| 924 if (flags & FL_UPDATE_CURBUF) | |
| 925 redraw_curbuf_later(NOT_VALID); | |
| 926 curbuf = savebuf; | |
| 927 curwin = savewin; | |
| 928 if (flags & FL_ADJUST_CURSOR) | |
| 929 check_cursor(); | |
| 930 if (flags & (FL_UPDATE_SCREEN | FL_UPDATE_CURBUF)) | |
| 931 update_screen(NOT_VALID); | |
| 932 | |
| 933 return err; | |
| 934 } | |
| 935 | |
| 936 /* | |
| 937 * This function implements the window commands. | |
| 938 */ | |
| 939 static int | |
| 940 winselfcmd(ref, interp, objc, objv) | |
| 941 ClientData ref; | |
| 942 Tcl_Interp *interp; | |
| 943 int objc; | |
| 944 Tcl_Obj *CONST objv[]; | |
| 945 { | |
| 946 int err, idx, flags; | |
| 947 int val1, val2; | |
| 948 Tcl_Obj *resobj; | |
| 949 win_T *savewin, *win; | |
| 950 buf_T *savebuf; | |
| 951 char *str; | |
| 952 | |
| 953 enum | |
| 954 { | |
| 955 WIN_BUFFER, WIN_COMMAND, WIN_CURSOR, WIN_DELCMD, WIN_EXPR, | |
| 956 WIN_HEIGHT, WIN_OPTION | |
| 957 }; | |
| 135 | 958 static CONST84 char *winoptions[] = |
| 7 | 959 { |
| 960 "buffer", "command", "cursor", "delcmd", "expr", | |
| 961 "height", "option", (char *)0 | |
| 962 }; | |
| 963 | |
| 964 if (objc < 2) | |
| 965 { | |
| 966 Tcl_WrongNumArgs(interp, 1, objv, "option ?arg ...?"); | |
| 967 return TCL_ERROR; | |
| 968 } | |
| 969 | |
| 970 err = Tcl_GetIndexFromObj(interp, objv[1], winoptions, "option", 0, &idx); | |
| 971 if (err != TCL_OK) | |
| 972 return TCL_ERROR; | |
| 973 | |
| 974 win = (win_T *)((struct ref *)ref)->vimobj; | |
| 975 savewin = curwin; curwin = win; | |
| 976 savebuf = curbuf; curbuf = win->w_buffer; | |
| 977 flags = 0; | |
| 978 | |
| 979 switch (idx) | |
| 980 { | |
| 981 case WIN_OPTION: | |
| 982 err = tclsetoption(interp, objc, objv, 2); | |
| 983 flags |= FL_UPDATE_SCREEN; | |
| 984 break; | |
| 985 | |
| 986 case WIN_COMMAND: | |
| 987 err = tcldoexcommand(interp, objc, objv, 2); | |
| 988 flags |= FL_UPDATE_SCREEN; | |
| 989 break; | |
| 990 | |
| 991 case WIN_EXPR: | |
| 992 err = tclvimexpr(interp, objc, objv, 2); | |
| 993 break; | |
| 994 | |
| 995 case WIN_HEIGHT: | |
| 996 if (objc == 3) | |
| 997 { | |
| 998 err = Tcl_GetIntFromObj(interp, objv[2], &val1); | |
| 999 if (err != TCL_OK) | |
| 1000 break; | |
| 1001 #ifdef FEAT_GUI | |
| 1002 need_mouse_correct = TRUE; | |
| 1003 #endif | |
| 1004 win_setheight(val1); | |
| 1005 err = vimerror(interp); | |
| 1006 if (err != TCL_OK) | |
| 1007 break; | |
| 1008 } | |
| 1009 else | |
| 1010 if (objc != 2) | |
| 1011 { | |
| 1012 Tcl_WrongNumArgs(interp, 2, objv, "?value?"); | |
| 1013 err = TCL_ERROR; | |
| 1014 break; | |
| 1015 } | |
| 1016 | |
| 1017 resobj = Tcl_NewIntObj((int)(win->w_height)); | |
| 1018 Tcl_SetObjResult(interp, resobj); | |
| 1019 break; | |
| 1020 | |
| 1021 case WIN_BUFFER: | |
| 1022 if (objc != 2) | |
| 1023 { | |
| 1024 Tcl_WrongNumArgs(interp, 2, objv, NULL); | |
| 1025 err = TCL_ERROR; | |
| 1026 break; | |
| 1027 } | |
| 1028 str = tclgetbuffer(interp, win->w_buffer); | |
| 1029 if (str) | |
| 1030 Tcl_SetResult(interp, str, TCL_VOLATILE); | |
| 1031 else | |
| 1032 err = TCL_ERROR; | |
| 1033 break; | |
| 1034 | |
| 1035 case WIN_DELCMD: | |
| 1036 if (objc != 3) | |
| 1037 { | |
| 1038 Tcl_WrongNumArgs(interp, 2, objv, "command"); | |
| 1039 err = TCL_ERROR; | |
| 1040 break; | |
| 1041 } | |
| 502 | 1042 err = tclsetdelcmd(interp, win->w_tcl_ref, (void *)win, objv[2]); |
| 7 | 1043 break; |
| 1044 | |
| 1045 case WIN_CURSOR: | |
| 1046 if (objc > 4) | |
| 1047 { | |
| 1048 Tcl_WrongNumArgs(interp, 2, objv, "?arg1 ?arg2??"); | |
| 1049 err = TCL_ERROR; | |
| 1050 break; | |
| 1051 } | |
| 1052 if (objc == 2) | |
| 1053 { | |
| 1054 char buf[64]; | |
| 274 | 1055 |
| 7 | 1056 sprintf(buf, _("row %d column %d"), (int)row2tcl(win->w_cursor.lnum), (int)col2tcl(win->w_cursor.col)); |
| 1057 Tcl_SetResult(interp, buf, TCL_VOLATILE); | |
| 1058 break; | |
| 1059 } | |
| 1060 else if (objc == 3) | |
| 1061 { | |
| 1062 Tcl_Obj *part, *var; | |
| 1063 | |
| 1064 part = Tcl_NewStringObj("row", -1); | |
| 1065 var = Tcl_ObjGetVar2(interp, objv[2], part, TCL_LEAVE_ERR_MSG); | |
| 1066 if (var == NULL) | |
| 1067 { | |
| 1068 err = TCL_ERROR; | |
| 1069 break; | |
| 1070 } | |
| 1071 err = tclgetlinenum(interp, var, &val1, win->w_buffer); | |
| 1072 if (err != TCL_OK) | |
| 1073 break; | |
| 1074 part = Tcl_NewStringObj("column", -1); | |
| 1075 var = Tcl_ObjGetVar2(interp, objv[2], part, TCL_LEAVE_ERR_MSG); | |
| 1076 if (var == NULL) | |
| 1077 { | |
| 1078 err = TCL_ERROR; | |
| 1079 break; | |
| 1080 } | |
| 1081 err = Tcl_GetIntFromObj(interp, var, &val2); | |
| 1082 if (err != TCL_OK) | |
| 1083 break; | |
| 1084 } | |
| 1085 else { /* objc == 4 */ | |
| 1086 err = tclgetlinenum(interp, objv[2], &val1, win->w_buffer); | |
| 1087 if (err != TCL_OK) | |
| 1088 break; | |
| 1089 err = Tcl_GetIntFromObj(interp, objv[3], &val2); | |
| 1090 if (err != TCL_OK) | |
| 1091 break; | |
| 1092 } | |
| 1093 /* TODO: should check column */ | |
| 1094 win->w_cursor.lnum = val1; | |
| 1095 win->w_cursor.col = col2vim(val2); | |
| 1096 flags |= FL_UPDATE_SCREEN; | |
| 1097 break; | |
| 1098 | |
| 1099 default: | |
| 1100 Tcl_SetResult(interp, _("not implemented yet"), TCL_STATIC); | |
| 1101 break; | |
| 1102 } | |
| 1103 | |
| 1104 curwin = savewin; | |
| 1105 curbuf = savebuf; | |
| 1106 if (flags & FL_UPDATE_SCREEN) | |
| 1107 update_screen(NOT_VALID); | |
| 1108 | |
| 1109 return err; | |
| 1110 } | |
| 1111 | |
| 1112 | |
| 1113 static int | |
| 1114 commandcmd(dummy, interp, objc, objv) | |
| 1889 | 1115 ClientData dummy UNUSED; |
| 7 | 1116 Tcl_Interp *interp; |
| 1117 int objc; | |
| 1118 Tcl_Obj *CONST objv[]; | |
| 1119 { | |
| 1120 int err; | |
| 1121 | |
| 1122 err = tcldoexcommand(interp, objc, objv, 1); | |
| 1123 update_screen(VALID); | |
| 1124 return err; | |
| 1125 } | |
| 1126 | |
| 1127 static int | |
| 1128 optioncmd(dummy, interp, objc, objv) | |
| 1889 | 1129 ClientData dummy UNUSED; |
| 7 | 1130 Tcl_Interp *interp; |
| 1131 int objc; | |
| 1132 Tcl_Obj *CONST objv[]; | |
| 1133 { | |
| 1134 int err; | |
| 1135 | |
| 1136 err = tclsetoption(interp, objc, objv, 1); | |
| 1137 update_screen(VALID); | |
| 1138 return err; | |
| 1139 } | |
| 1140 | |
| 1141 static int | |
| 1142 exprcmd(dummy, interp, objc, objv) | |
| 1889 | 1143 ClientData dummy UNUSED; |
| 7 | 1144 Tcl_Interp *interp; |
| 1145 int objc; | |
| 1146 Tcl_Obj *CONST objv[]; | |
| 1147 { | |
| 1148 return tclvimexpr(interp, objc, objv, 1); | |
| 1149 } | |
| 1150 | |
| 1151 /**************************************************************************** | |
| 1152 Support functions for Tcl commands | |
| 1153 ****************************************************************************/ | |
| 1154 | |
| 1155 /* | |
| 1156 * Get a line number from 'obj' and convert it to vim's range. | |
| 1157 */ | |
| 1158 static int | |
| 1159 tclgetlinenum(interp, obj, valueP, buf) | |
| 1160 Tcl_Interp *interp; | |
| 1161 Tcl_Obj *obj; | |
| 1162 int *valueP; | |
| 1163 buf_T *buf; | |
| 1164 { | |
| 1165 int err, i; | |
| 1166 | |
| 1167 enum { LN_BEGIN, LN_BOTTOM, LN_END, LN_FIRST, LN_LAST, LN_START, LN_TOP }; | |
| 1168 | |
| 135 | 1169 static CONST84 char *keyw[] = |
| 7 | 1170 { |
| 1171 "begin", "bottom", "end", "first", "last", "start", "top", (char *)0 | |
| 1172 }; | |
| 1173 | |
| 1174 err = Tcl_GetIndexFromObj(interp, obj, keyw, "", 0, &i); | |
| 1175 if (err == TCL_OK) | |
| 1176 { | |
| 1177 switch (i) | |
| 1178 { | |
| 1179 case LN_BEGIN: | |
| 1180 case LN_FIRST: | |
| 1181 case LN_START: | |
| 1182 case LN_TOP: | |
| 1183 *valueP = 1; | |
| 1184 break; | |
| 1185 case LN_BOTTOM: | |
| 1186 case LN_END: | |
| 1187 case LN_LAST: | |
| 1188 *valueP = buf->b_ml.ml_line_count; | |
| 1189 break; | |
| 1190 } | |
| 1191 return TCL_OK; | |
| 1192 } | |
| 1193 Tcl_ResetResult(interp); | |
| 1194 | |
| 1195 err = Tcl_GetIntFromObj(interp, obj, &i); | |
| 1196 if (err != TCL_OK) | |
| 1197 return err; | |
| 1198 i = row2vim(i); | |
| 1199 if (i < 1 || i > buf->b_ml.ml_line_count) | |
| 1200 { | |
| 1201 Tcl_SetResult(interp, _("line number out of range"), TCL_STATIC); | |
| 1202 return TCL_ERROR; | |
| 1203 } | |
| 1204 *valueP = i; | |
| 1205 return TCL_OK; | |
| 1206 } | |
| 1207 | |
| 1208 /* | |
| 1209 * Find the first window in the window list that displays the buffer. | |
| 1210 */ | |
| 1211 static win_T * | |
| 1212 tclfindwin(buf) | |
| 1213 buf_T *buf; | |
| 1214 { | |
| 1215 win_T *win; | |
| 1216 | |
| 1217 FOR_ALL_WINDOWS(win) | |
| 1218 { | |
| 1219 if (win->w_buffer == buf) | |
| 1220 return win; | |
| 1221 } | |
| 1222 return curwin; /* keep current window context */ | |
| 1223 } | |
| 1224 | |
| 1225 /* | |
| 1226 * Do-it-all function for "::vim::command", "$buf command" and "$win command". | |
| 1227 */ | |
| 1228 static int | |
| 1229 tcldoexcommand(interp, objc, objv, objn) | |
| 1230 Tcl_Interp *interp; | |
| 1231 int objc; | |
| 1232 Tcl_Obj *CONST objv[]; | |
| 1233 int objn; | |
| 1234 { | |
| 1235 tcl_info saveinfo; | |
| 1236 int err, flag, nobjs; | |
| 1237 char *arg; | |
| 1238 | |
| 1239 nobjs = objc - objn; | |
| 1240 if (nobjs < 1 || nobjs > 2) | |
| 1241 { | |
| 1242 Tcl_WrongNumArgs(interp, objn, objv, "?-quiet? exCommand"); | |
| 1243 return TCL_ERROR; | |
| 1244 } | |
| 1245 | |
| 1246 flag = 0; | |
| 1247 if (nobjs == 2) | |
| 1248 { | |
| 1249 arg = Tcl_GetStringFromObj(objv[objn], NULL); | |
| 1250 if (strcmp(arg, "-quiet") == 0) | |
| 1251 flag = 1; | |
| 1252 else | |
| 1253 { | |
| 1254 Tcl_ResetResult(interp); | |
| 1255 Tcl_AppendResult(interp, _("unknown flag: "), arg, (char *)0); | |
| 1256 return TCL_ERROR; | |
| 1257 } | |
| 1258 ++objn; | |
| 1259 } | |
| 1260 | |
| 1261 memcpy(&saveinfo, &tclinfo, sizeof(tcl_info)); | |
| 1262 tclinfo.interp = NULL; | |
| 1263 tclinfo.curwin = NULL; | |
| 1264 tclinfo.curbuf = NULL; | |
| 1265 | |
| 1266 arg = Tcl_GetStringFromObj(objv[objn], NULL); | |
| 1267 if (flag) | |
| 1268 ++emsg_off; | |
| 1269 do_cmdline_cmd((char_u *)arg); | |
| 1270 if (flag) | |
| 1271 --emsg_off; | |
| 1272 err = vimerror(interp); | |
| 1273 | |
| 1274 /* If the ex command created a new Tcl interpreter, remove it */ | |
| 1275 if (tclinfo.interp) | |
| 1276 tcldelthisinterp(); | |
| 1277 memcpy(&tclinfo, &saveinfo, sizeof(tcl_info)); | |
| 1278 tclupdatevars(); | |
| 1279 | |
| 1280 return err; | |
| 1281 } | |
| 1282 | |
| 1283 /* | |
| 1284 * Do-it-all function for "::vim::option", "$buf option" and "$win option". | |
| 1285 */ | |
| 1286 static int | |
| 1287 tclsetoption(interp, objc, objv, objn) | |
| 1288 Tcl_Interp *interp; | |
| 1289 int objc; | |
| 1290 Tcl_Obj *CONST objv[]; | |
| 1291 int objn; | |
| 1292 { | |
| 1293 int err, nobjs, idx; | |
| 1294 char_u *option; | |
| 1295 int isnum; | |
| 1296 long lval; | |
| 1297 char_u *sval; | |
| 1298 Tcl_Obj *resobj; | |
| 1299 | |
| 1300 enum { OPT_OFF, OPT_ON, OPT_TOGGLE }; | |
| 135 | 1301 static CONST84 char *optkw[] = { "off", "on", "toggle", (char *)0 }; |
| 7 | 1302 |
| 1303 nobjs = objc - objn; | |
| 1304 if (nobjs != 1 && nobjs != 2) | |
| 1305 { | |
| 1306 Tcl_WrongNumArgs(interp, objn, objv, "vimOption ?value?"); | |
| 1307 return TCL_ERROR; | |
| 1308 } | |
| 1309 | |
| 1310 option = (char_u *)Tcl_GetStringFromObj(objv[objn], NULL); | |
| 1311 ++objn; | |
| 1312 isnum = get_option_value(option, &lval, &sval, 0); | |
| 1313 err = TCL_OK; | |
| 1314 switch (isnum) | |
| 1315 { | |
| 1316 case 0: | |
| 1317 Tcl_SetResult(interp, (char *)sval, TCL_VOLATILE); | |
| 1318 vim_free(sval); | |
| 1319 break; | |
| 1320 case 1: | |
| 1321 resobj = Tcl_NewLongObj(lval); | |
| 1322 Tcl_SetObjResult(interp, resobj); | |
| 1323 break; | |
| 1324 default: | |
| 1325 Tcl_SetResult(interp, _("unknown vimOption"), TCL_STATIC); | |
| 1326 return TCL_ERROR; | |
| 1327 } | |
| 1328 if (nobjs == 2) | |
| 1329 { | |
| 1330 if (isnum) | |
| 1331 { | |
| 1332 sval = NULL; /* avoid compiler warning */ | |
| 1333 err = Tcl_GetIndexFromObj(interp, objv[objn], optkw, "", 0, &idx); | |
| 1334 if (err != TCL_OK) | |
| 1335 { | |
| 1336 Tcl_ResetResult(interp); | |
| 1337 err = Tcl_GetLongFromObj(interp, objv[objn], &lval); | |
| 1338 } | |
| 1339 else | |
| 1340 switch (idx) | |
| 1341 { | |
| 1342 case OPT_ON: | |
| 1343 lval = 1; | |
| 1344 break; | |
| 1345 case OPT_OFF: | |
| 1346 lval = 0; | |
| 1347 break; | |
| 1348 case OPT_TOGGLE: | |
| 1349 lval = !lval; | |
| 1350 break; | |
| 1351 } | |
| 1352 } | |
| 1353 else | |
| 1354 sval = (char_u *)Tcl_GetStringFromObj(objv[objn], NULL); | |
| 1355 if (err == TCL_OK) | |
| 1356 { | |
| 1357 set_option_value(option, lval, sval, OPT_LOCAL); | |
| 1358 err = vimerror(interp); | |
| 1359 } | |
| 1360 } | |
| 1361 return err; | |
| 1362 } | |
| 1363 | |
| 1364 /* | |
| 1365 * Do-it-all function for "::vim::expr", "$buf expr" and "$win expr". | |
| 1366 */ | |
| 1367 static int | |
| 1368 tclvimexpr(interp, objc, objv, objn) | |
| 1369 Tcl_Interp *interp; | |
| 1370 int objc; | |
| 1371 Tcl_Obj *CONST objv[]; | |
| 1372 int objn; | |
| 1373 { | |
| 1374 #ifdef FEAT_EVAL | |
| 1375 char *expr, *str; | |
| 1376 #endif | |
| 1377 int err; | |
| 1378 | |
| 1379 if (objc - objn != 1) | |
| 1380 { | |
| 1381 Tcl_WrongNumArgs(interp, objn, objv, "vimExpr"); | |
| 1382 return TCL_ERROR; | |
| 1383 } | |
| 1384 | |
| 1385 #ifdef FEAT_EVAL | |
| 1386 expr = Tcl_GetStringFromObj(objv[objn], NULL); | |
| 714 | 1387 str = (char *)eval_to_string((char_u *)expr, NULL, TRUE); |
| 7 | 1388 if (str == NULL) |
| 1389 Tcl_SetResult(interp, _("invalid expression"), TCL_STATIC); | |
| 1390 else | |
| 1391 Tcl_SetResult(interp, str, TCL_VOLATILE); | |
| 1392 err = vimerror(interp); | |
| 1393 #else | |
| 1394 Tcl_SetResult(interp, _("expressions disabled at compile time"), TCL_STATIC); | |
| 1395 err = TCL_ERROR; | |
| 1396 #endif | |
| 1397 | |
| 1398 return err; | |
| 1399 } | |
| 1400 | |
| 1401 /* | |
| 1402 * Check for internal vim errors. | |
| 1403 */ | |
| 1404 static int | |
| 1405 vimerror(interp) | |
| 1406 Tcl_Interp *interp; | |
| 1407 { | |
| 1408 if (got_int) | |
| 1409 { | |
| 1410 Tcl_SetResult(interp, _("keyboard interrupt"), TCL_STATIC); | |
| 1411 return TCL_ERROR; | |
| 1412 } | |
| 1413 else if (did_emsg) | |
| 1414 { | |
| 1415 Tcl_SetResult(interp, _("vim error"), TCL_STATIC); | |
| 1416 return TCL_ERROR; | |
| 1417 } | |
| 1418 return TCL_OK; | |
| 1419 } | |
| 1420 | |
| 1421 /* | |
| 1422 * Functions that handle the reference lists: | |
| 1423 * delref() - callback for Tcl's DeleteCommand | |
| 1424 * tclgetref() - find/create Tcl command for a win_T* or buf_T* object | |
| 1425 * tclgetwindow() - window frontend for tclgetref() | |
| 1426 * tclgetbuffer() - buffer frontend for tclgetref() | |
| 1427 * tclsetdelcmd() - add Tcl callback command to a vim object | |
| 1428 */ | |
| 1429 static void | |
| 1430 delref(cref) | |
| 1431 ClientData cref; | |
| 1432 { | |
| 1433 struct ref *ref = (struct ref *)cref; | |
| 1434 | |
| 1435 if (ref->delcmd) | |
| 1436 { | |
| 1437 Tcl_DecrRefCount(ref->delcmd); | |
| 1438 ref->delcmd = NULL; | |
| 1439 } | |
| 1440 ref->interp = NULL; | |
| 1441 } | |
| 1442 | |
| 1443 static char * | |
| 1444 tclgetref(interp, refstartP, prefix, vimobj, proc) | |
| 1445 Tcl_Interp *interp; | |
| 502 | 1446 void **refstartP; /* ptr to w_tcl_ref/b_tcl-ref member of |
| 1447 win_T/buf_T struct */ | |
| 7 | 1448 char *prefix; /* "win" or "buf" */ |
| 1449 void *vimobj; /* win_T* or buf_T* */ | |
| 1450 Tcl_ObjCmdProc *proc; /* winselfcmd or bufselfcmd */ | |
| 1451 { | |
| 1452 struct ref *ref, *unused = NULL; | |
| 1453 static char name[VARNAME_SIZE]; | |
| 1454 Tcl_Command cmd; | |
| 1455 | |
| 1456 ref = (struct ref *)(*refstartP); | |
| 1457 if (ref == &refsdeleted) | |
| 1458 { | |
| 1459 Tcl_SetResult(interp, _("cannot create buffer/window command: object is being deleted"), TCL_STATIC); | |
| 1460 return NULL; | |
| 1461 } | |
| 1462 | |
| 1463 while (ref != NULL) | |
| 1464 { | |
| 1465 if (ref->interp == interp) | |
| 1466 break; | |
| 1467 if (ref->interp == NULL) | |
| 1468 unused = ref; | |
| 1469 ref = ref->next; | |
| 1470 } | |
| 1471 | |
| 1472 if (ref) | |
| 274 | 1473 vim_snprintf(name, sizeof(name), "::vim::%s", |
| 1474 Tcl_GetCommandName(interp, ref->cmd)); | |
| 7 | 1475 else |
| 1476 { | |
| 1477 if (unused) | |
| 1478 ref = unused; | |
| 1479 else | |
| 1480 { | |
| 1481 ref = (struct ref *)Tcl_Alloc(sizeof(struct ref)); | |
| 1482 ref->interp = NULL; | |
| 1483 ref->next = (struct ref *)(*refstartP); | |
| 1484 (*refstartP) = (void *)ref; | |
| 1485 } | |
| 1486 | |
| 1487 /* This might break on some exotic systems... */ | |
| 274 | 1488 vim_snprintf(name, sizeof(name), "::vim::%s_%lx", |
| 1489 prefix, (unsigned long)vimobj); | |
| 7 | 1490 cmd = Tcl_CreateObjCommand(interp, name, proc, |
| 1491 (ClientData)ref, (Tcl_CmdDeleteProc *)delref); | |
| 1492 if (!cmd) | |
| 1493 return NULL; | |
| 1494 | |
| 1495 ref->interp = interp; | |
| 1496 ref->cmd = cmd; | |
| 1497 ref->delcmd = NULL; | |
| 1498 ref->vimobj = vimobj; | |
| 1499 } | |
| 1500 return name; | |
| 1501 } | |
| 1502 | |
| 1503 static char * | |
| 1504 tclgetwindow(interp, win) | |
| 1505 Tcl_Interp *interp; | |
| 1506 win_T *win; | |
| 1507 { | |
| 502 | 1508 return tclgetref(interp, &(win->w_tcl_ref), "win", (void *)win, winselfcmd); |
| 7 | 1509 } |
| 1510 | |
| 1511 static char * | |
| 1512 tclgetbuffer(interp, buf) | |
| 1513 Tcl_Interp *interp; | |
| 1514 buf_T *buf; | |
| 1515 { | |
| 502 | 1516 return tclgetref(interp, &(buf->b_tcl_ref), "buf", (void *)buf, bufselfcmd); |
| 7 | 1517 } |
| 1518 | |
| 1519 static int | |
| 1520 tclsetdelcmd(interp, reflist, vimobj, delcmd) | |
| 1521 Tcl_Interp *interp; | |
| 1522 struct ref *reflist; | |
| 1523 void *vimobj; | |
| 1524 Tcl_Obj *delcmd; | |
| 1525 { | |
| 1526 if (reflist == &refsdeleted) | |
| 1527 { | |
| 1528 Tcl_SetResult(interp, _("cannot register callback command: buffer/window is already being deleted"), TCL_STATIC); | |
| 1529 return TCL_ERROR; | |
| 1530 } | |
| 1531 | |
| 1532 while (reflist != NULL) | |
| 1533 { | |
| 1534 if (reflist->interp == interp && reflist->vimobj == vimobj) | |
| 1535 { | |
| 1536 if (reflist->delcmd) | |
| 1125 | 1537 { |
| 7 | 1538 Tcl_DecrRefCount(reflist->delcmd); |
| 1125 | 1539 } |
| 7 | 1540 Tcl_IncrRefCount(delcmd); |
| 1541 reflist->delcmd = delcmd; | |
| 1542 return TCL_OK; | |
| 1543 } | |
| 1544 reflist = reflist->next; | |
| 1545 } | |
| 1546 /* This should never happen. Famous last word? */ | |
| 1547 EMSG(_("E280: TCL FATAL ERROR: reflist corrupt!? Please report this to vim-dev@vim.org")); | |
| 1548 Tcl_SetResult(interp, _("cannot register callback command: buffer/window reference not found"), TCL_STATIC); | |
| 1549 return TCL_ERROR; | |
| 1550 } | |
| 1551 | |
| 1552 | |
| 1553 /******************************************* | |
| 1554 I/O Channel | |
| 1555 ********************************************/ | |
| 1556 | |
| 1557 static int | |
| 1558 channel_close(instance, interp) | |
| 1559 ClientData instance; | |
| 1889 | 1560 Tcl_Interp *interp UNUSED; |
| 7 | 1561 { |
| 1562 int err = 0; | |
| 1563 | |
| 1564 /* currently does nothing */ | |
| 1565 | |
| 1566 if (instance != VIMOUT && instance != VIMERR) | |
| 1567 { | |
| 1568 Tcl_SetErrno(EBADF); | |
| 1569 err = EBADF; | |
| 1570 } | |
| 1571 return err; | |
| 1572 } | |
| 1573 | |
| 1574 static int | |
| 1575 channel_input(instance, buf, bufsiz, errptr) | |
| 1889 | 1576 ClientData instance UNUSED; |
| 1577 char *buf UNUSED; | |
| 1578 int bufsiz UNUSED; | |
| 7 | 1579 int *errptr; |
| 1580 { | |
| 1581 | |
| 1582 /* input is currently not supported */ | |
| 1583 | |
| 1584 Tcl_SetErrno(EINVAL); | |
| 1585 if (errptr) | |
| 1586 *errptr = EINVAL; | |
| 1587 return -1; | |
| 1588 } | |
| 1589 | |
| 1590 static int | |
| 1591 channel_output(instance, buf, bufsiz, errptr) | |
| 1592 ClientData instance; | |
| 1593 char *buf; | |
| 1594 int bufsiz; | |
| 1595 int *errptr; | |
| 1596 { | |
| 1597 char_u *str; | |
| 1598 int result; | |
| 1599 | |
| 1600 /* The buffer is not guaranteed to be 0-terminated, and we don't if | |
| 1601 * there is enough room to add a '\0'. So we have to create a copy | |
| 1602 * of the buffer... | |
| 1603 */ | |
| 1604 str = vim_strnsave((char_u *)buf, bufsiz); | |
| 1605 if (!str) | |
| 1606 { | |
| 1607 Tcl_SetErrno(ENOMEM); | |
| 1608 if (errptr) | |
| 1609 *errptr = ENOMEM; | |
| 1610 return -1; | |
| 1611 } | |
| 1612 | |
| 1613 result = bufsiz; | |
| 1614 if (instance == VIMOUT) | |
| 1615 tclmsg((char *)str); | |
| 1616 else | |
| 1617 if (instance == VIMERR) | |
| 1618 tclerrmsg((char *)str); | |
| 1619 else | |
| 1620 { | |
| 1621 Tcl_SetErrno(EBADF); | |
| 1622 if (errptr) | |
| 1623 *errptr = EBADF; | |
| 1624 result = -1; | |
| 1625 } | |
| 1626 vim_free(str); | |
| 1627 return result; | |
| 1628 } | |
| 1629 | |
| 1630 static void | |
| 1631 channel_watch(instance, mask) | |
| 1889 | 1632 ClientData instance UNUSED; |
| 1633 int mask UNUSED; | |
| 7 | 1634 { |
| 1635 Tcl_SetErrno(EINVAL); | |
| 1636 } | |
| 1637 | |
| 1638 static int | |
| 1639 channel_gethandle(instance, direction, handleptr) | |
| 1889 | 1640 ClientData instance UNUSED; |
| 1641 int direction UNUSED; | |
| 1642 ClientData *handleptr UNUSED; | |
| 7 | 1643 { |
| 1644 Tcl_SetErrno(EINVAL); | |
| 1645 return EINVAL; | |
| 1646 } | |
| 1647 | |
| 1648 | |
| 1649 static Tcl_ChannelType channel_type = | |
| 1650 { | |
| 1890 | 1651 "vimmessage", /* typeName */ |
| 3369 | 1652 TCL_CHANNEL_VERSION_2, /* version */ |
| 1890 | 1653 channel_close, /* closeProc */ |
| 1654 channel_input, /* inputProc */ | |
| 1655 channel_output, /* outputProc */ | |
| 1656 NULL, /* seekProc */ | |
| 1657 NULL, /* setOptionProc */ | |
| 1658 NULL, /* getOptionProc */ | |
| 1659 channel_watch, /* watchProc */ | |
| 1660 channel_gethandle, /* getHandleProc */ | |
| 1661 NULL, /* close2Proc */ | |
| 1662 NULL, /* blockModeProc */ | |
| 1663 #ifdef TCL_CHANNEL_VERSION_2 | |
| 1664 NULL, /* flushProc */ | |
| 1665 NULL, /* handlerProc */ | |
| 1666 #endif | |
| 3369 | 1667 /* The following should not be necessary since TCL_CHANNEL_VERSION_2 was |
| 1668 * set above */ | |
| 1890 | 1669 #ifdef TCL_CHANNEL_VERSION_3 |
| 1670 NULL, /* wideSeekProc */ | |
| 1671 #endif | |
| 1672 #ifdef TCL_CHANNEL_VERSION_4 | |
| 1673 NULL, /* threadActionProc */ | |
| 1674 #endif | |
| 1675 #ifdef TCL_CHANNEL_VERSION_5 | |
| 1676 NULL /* truncateProc */ | |
| 1677 #endif | |
| 7 | 1678 }; |
| 1679 | |
| 1680 /********************************** | |
| 1681 Interface to vim | |
| 1682 **********************************/ | |
| 1683 | |
| 1684 static void | |
| 1685 tclupdatevars() | |
| 1686 { | |
| 1687 char varname[VARNAME_SIZE]; /* must be writeable */ | |
| 1688 char *name; | |
| 1689 | |
| 1690 strcpy(varname, VAR_RANGE1); | |
| 1691 Tcl_UpdateLinkedVar(tclinfo.interp, varname); | |
| 1692 strcpy(varname, VAR_RANGE2); | |
| 1693 Tcl_UpdateLinkedVar(tclinfo.interp, varname); | |
| 1694 strcpy(varname, VAR_RANGE3); | |
| 1695 Tcl_UpdateLinkedVar(tclinfo.interp, varname); | |
| 1696 | |
| 1697 strcpy(varname, VAR_LBASE); | |
| 1698 Tcl_UpdateLinkedVar(tclinfo.interp, varname); | |
| 1699 | |
| 1700 name = tclgetbuffer(tclinfo.interp, curbuf); | |
| 1701 strcpy(tclinfo.curbuf, name); | |
| 1702 strcpy(varname, VAR_CURBUF); | |
| 1703 Tcl_UpdateLinkedVar(tclinfo.interp, varname); | |
| 1704 | |
| 1705 name = tclgetwindow(tclinfo.interp, curwin); | |
| 1706 strcpy(tclinfo.curwin, name); | |
| 1707 strcpy(varname, VAR_CURWIN); | |
| 1708 Tcl_UpdateLinkedVar(tclinfo.interp, varname); | |
| 1709 } | |
| 1710 | |
| 1711 | |
| 1712 static int | |
| 1713 tclinit(eap) | |
| 1714 exarg_T *eap; | |
| 1715 { | |
| 1716 char varname[VARNAME_SIZE]; /* Tcl_LinkVar requires writeable varname */ | |
| 1717 char *name; | |
| 1718 | |
| 1719 #ifdef DYNAMIC_TCL | |
| 1720 if (!tcl_enabled(TRUE)) | |
| 1721 { | |
| 1722 EMSG(_("E571: Sorry, this command is disabled: the Tcl library could not be loaded.")); | |
| 1723 return FAIL; | |
| 1724 } | |
| 1725 #endif | |
| 1726 | |
| 1727 if (!tclinfo.interp) | |
| 1728 { | |
| 1729 Tcl_Interp *interp; | |
| 1730 static Tcl_Channel ch1, ch2; | |
| 1731 | |
| 3369 | 1732 /* Create replacement channels for stdout and stderr; this has to be |
| 1733 * done each time an interpreter is created since the channels are closed | |
| 1734 * when the interpreter is deleted */ | |
| 7 | 1735 ch1 = Tcl_CreateChannel(&channel_type, "vimout", VIMOUT, TCL_WRITABLE); |
| 1736 ch2 = Tcl_CreateChannel(&channel_type, "vimerr", VIMERR, TCL_WRITABLE); | |
| 1737 Tcl_SetStdChannel(ch1, TCL_STDOUT); | |
| 1738 Tcl_SetStdChannel(ch2, TCL_STDERR); | |
| 1739 | |
| 1740 interp = Tcl_CreateInterp(); | |
| 1741 Tcl_Preserve(interp); | |
| 1742 if (Tcl_Init(interp) == TCL_ERROR) | |
| 1743 { | |
| 1744 Tcl_Release(interp); | |
| 1745 Tcl_DeleteInterp(interp); | |
| 1746 return FAIL; | |
| 1747 } | |
| 1748 #if 0 | |
| 1749 /* VIM sure is interactive */ | |
| 1750 Tcl_SetVar(interp, "tcl_interactive", "1", TCL_GLOBAL_ONLY); | |
| 1751 #endif | |
| 1752 | |
| 1753 Tcl_SetChannelOption(interp, ch1, "-buffering", "line"); | |
| 3369 | 1754 #ifdef WIN3264 |
| 1755 Tcl_SetChannelOption(interp, ch1, "-translation", "lf"); | |
| 1756 #endif | |
| 7 | 1757 Tcl_SetChannelOption(interp, ch2, "-buffering", "line"); |
| 3369 | 1758 #ifdef WIN3264 |
| 1759 Tcl_SetChannelOption(interp, ch2, "-translation", "lf"); | |
| 1760 #endif | |
| 7 | 1761 |
| 3369 | 1762 /* replace standard Tcl exit command */ |
| 7 | 1763 Tcl_DeleteCommand(interp, "exit"); |
| 1764 Tcl_CreateObjCommand(interp, "exit", exitcmd, | |
| 1765 (ClientData)NULL, (Tcl_CmdDeleteProc *)NULL); | |
| 1766 | |
| 1767 /* new commands, in ::vim namespace */ | |
| 1768 Tcl_CreateObjCommand(interp, "::vim::buffer", buffercmd, | |
| 1769 (ClientData)NULL, (Tcl_CmdDeleteProc *)NULL); | |
| 1770 Tcl_CreateObjCommand(interp, "::vim::window", windowcmd, | |
| 1771 (ClientData)NULL, (Tcl_CmdDeleteProc *)NULL); | |
| 1772 Tcl_CreateObjCommand(interp, "::vim::command", commandcmd, | |
| 1773 (ClientData)NULL, (Tcl_CmdDeleteProc *)NULL); | |
| 1774 Tcl_CreateObjCommand(interp, "::vim::beep", beepcmd, | |
| 1775 (ClientData)NULL, (Tcl_CmdDeleteProc *)NULL); | |
| 1776 Tcl_CreateObjCommand(interp, "::vim::option", optioncmd, | |
| 1777 (ClientData)NULL, (Tcl_CmdDeleteProc *)NULL); | |
| 1778 Tcl_CreateObjCommand(interp, "::vim::expr", exprcmd, | |
| 1779 (ClientData)NULL, (Tcl_CmdDeleteProc *)NULL); | |
| 1780 | |
| 1781 /* "lbase" variable */ | |
| 1782 tclinfo.lbase = 1; | |
| 1783 strcpy(varname, VAR_LBASE); | |
| 1784 Tcl_LinkVar(interp, varname, (char *)&tclinfo.lbase, TCL_LINK_INT); | |
| 1785 | |
| 1786 /* "range" variable */ | |
| 1787 tclinfo.range_start = eap->line1; | |
| 1788 strcpy(varname, VAR_RANGE1); | |
| 1789 Tcl_LinkVar(interp, varname, (char *)&tclinfo.range_start, TCL_LINK_INT|TCL_LINK_READ_ONLY); | |
| 1790 strcpy(varname, VAR_RANGE2); | |
| 1791 Tcl_LinkVar(interp, varname, (char *)&tclinfo.range_start, TCL_LINK_INT|TCL_LINK_READ_ONLY); | |
| 1792 tclinfo.range_end = eap->line2; | |
| 1793 strcpy(varname, VAR_RANGE3); | |
| 1794 Tcl_LinkVar(interp, varname, (char *)&tclinfo.range_end, TCL_LINK_INT|TCL_LINK_READ_ONLY); | |
| 1795 | |
| 1796 /* "current" variable */ | |
| 1797 tclinfo.curbuf = Tcl_Alloc(VARNAME_SIZE); | |
| 1798 tclinfo.curwin = Tcl_Alloc(VARNAME_SIZE); | |
| 1799 name = tclgetbuffer(interp, curbuf); | |
| 1800 strcpy(tclinfo.curbuf, name); | |
| 1801 strcpy(varname, VAR_CURBUF); | |
| 1802 Tcl_LinkVar(interp, varname, (char *)&tclinfo.curbuf, TCL_LINK_STRING|TCL_LINK_READ_ONLY); | |
| 1803 name = tclgetwindow(interp, curwin); | |
| 1804 strcpy(tclinfo.curwin, name); | |
| 1805 strcpy(varname, VAR_CURWIN); | |
| 1806 Tcl_LinkVar(interp, varname, (char *)&tclinfo.curwin, TCL_LINK_STRING|TCL_LINK_READ_ONLY); | |
| 1807 | |
| 1808 tclinfo.interp = interp; | |
| 1809 } | |
| 1810 else | |
| 1811 { | |
| 1812 /* Interpreter already exists, just update variables */ | |
| 1813 tclinfo.range_start = row2tcl(eap->line1); | |
| 1814 tclinfo.range_end = row2tcl(eap->line2); | |
| 1815 tclupdatevars(); | |
| 1816 } | |
| 3369 | 1817 |
| 1818 tclinfo.exitvalue = 0; | |
| 7 | 1819 return OK; |
| 1820 } | |
| 1821 | |
| 1822 static void | |
| 1823 tclerrmsg(text) | |
| 1824 char *text; | |
| 1825 { | |
| 1826 char *next; | |
| 1827 | |
| 1828 while ((next=strchr(text, '\n'))) | |
| 1829 { | |
| 1830 *next++ = '\0'; | |
| 1831 EMSG(text); | |
| 1832 text = next; | |
| 1833 } | |
| 1834 if (*text) | |
| 1835 EMSG(text); | |
| 1836 } | |
| 1837 | |
| 1838 static void | |
| 1839 tclmsg(text) | |
| 1840 char *text; | |
| 1841 { | |
| 1842 char *next; | |
| 1843 | |
| 1844 while ((next=strchr(text, '\n'))) | |
| 1845 { | |
| 1846 *next++ = '\0'; | |
| 1847 MSG(text); | |
| 1848 text = next; | |
| 1849 } | |
| 1850 if (*text) | |
| 1851 MSG(text); | |
| 1852 } | |
| 1853 | |
| 1854 static void | |
| 1855 tcldelthisinterp() | |
| 1856 { | |
| 1857 if (!Tcl_InterpDeleted(tclinfo.interp)) | |
| 1858 Tcl_DeleteInterp(tclinfo.interp); | |
| 1859 Tcl_Release(tclinfo.interp); | |
| 1860 /* The interpreter is now gets deleted. All registered commands (esp. | |
| 1861 * window and buffer commands) are deleted, triggering their deletion | |
| 1862 * callback, which deletes all refs pointing to this interpreter. | |
| 1863 * We could garbage-collect the unused ref structs in all windows and | |
| 1864 * buffers, but unless the user creates hundreds of sub-interpreters | |
| 1222 | 1865 * all referring to lots of windows and buffers, this is hardly worth |
| 7 | 1866 * the effort. Unused refs are recycled by other interpreters, and |
| 1867 * all refs are free'd when the window/buffer gets closed by vim. | |
| 1868 */ | |
| 1869 | |
| 1870 tclinfo.interp = NULL; | |
| 1871 Tcl_Free(tclinfo.curbuf); | |
| 1872 Tcl_Free(tclinfo.curwin); | |
| 1873 tclinfo.curbuf = tclinfo.curwin = NULL; | |
| 1874 } | |
| 1875 | |
| 1876 static int | |
| 1877 tclexit(error) | |
| 1878 int error; | |
| 1879 { | |
| 1880 int newerr = OK; | |
| 1881 | |
| 3369 | 1882 if (Tcl_InterpDeleted(tclinfo.interp) /* True if we intercepted Tcl's exit command */ |
| 1883 #if (TCL_MAJOR_VERSION == 8 && TCL_MINOR_VERSION >= 5) || TCL_MAJOR_VERSION > 8 | |
| 1884 || Tcl_LimitExceeded(tclinfo.interp) /* True if the interpreter cannot continue */ | |
| 1885 #endif | |
| 1886 ) | |
| 7 | 1887 { |
| 274 | 1888 char buf[50]; |
| 7 | 1889 |
| 3369 | 1890 sprintf(buf, _("E572: exit code %d"), tclinfo.exitvalue); |
| 1891 tclerrmsg(buf); | |
| 1892 if (tclinfo.exitvalue == 0) | |
| 7 | 1893 { |
| 3369 | 1894 did_emsg = 0; |
| 1895 newerr = OK; | |
| 7 | 1896 } |
| 1897 else | |
| 3369 | 1898 newerr = FAIL; |
| 7 | 1899 |
| 1900 tcldelthisinterp(); | |
| 1901 } | |
| 1902 else | |
| 1903 { | |
| 1904 char *result; | |
| 1905 | |
| 135 | 1906 result = (char *)Tcl_GetStringResult(tclinfo.interp); |
| 7 | 1907 if (error == TCL_OK) |
| 1908 { | |
| 1909 tclmsg(result); | |
| 1910 newerr = OK; | |
| 1911 } | |
| 1912 else | |
| 1913 { | |
| 1914 tclerrmsg(result); | |
| 1915 newerr = FAIL; | |
| 1916 } | |
| 1917 } | |
| 1918 | |
| 1919 return newerr; | |
| 1920 } | |
| 1921 | |
| 1922 /* | |
| 1923 * ":tcl" | |
| 1924 */ | |
| 1925 void | |
| 1926 ex_tcl(eap) | |
| 1927 exarg_T *eap; | |
| 1928 { | |
| 1929 char_u *script; | |
| 1930 int err; | |
| 1931 | |
| 1932 script = script_get(eap, eap->arg); | |
| 1933 if (!eap->skip) | |
| 1934 { | |
| 1935 err = tclinit(eap); | |
| 1936 if (err == OK) | |
| 1937 { | |
| 1938 Tcl_AllowExceptions(tclinfo.interp); | |
| 1939 if (script == NULL) | |
| 1940 err = Tcl_Eval(tclinfo.interp, (char *)eap->arg); | |
| 1941 else | |
| 1942 err = Tcl_Eval(tclinfo.interp, (char *)script); | |
| 1943 err = tclexit(err); | |
| 1944 } | |
| 1945 } | |
| 1946 vim_free(script); | |
| 1947 } | |
| 1948 | |
| 1949 /* | |
| 1950 * ":tclfile" | |
| 1951 */ | |
| 1952 void | |
| 1953 ex_tclfile(eap) | |
| 1954 exarg_T *eap; | |
| 1955 { | |
| 1956 char *file = (char *)eap->arg; | |
| 1957 int err; | |
| 1958 | |
| 1959 err = tclinit(eap); | |
| 1960 if (err == OK) | |
| 1961 { | |
| 1962 Tcl_AllowExceptions(tclinfo.interp); | |
| 1963 err = Tcl_EvalFile(tclinfo.interp, file); | |
| 1964 err = tclexit(err); | |
| 1965 } | |
| 1966 } | |
| 1967 | |
| 1968 /* | |
| 1969 * ":tcldo" | |
| 1970 */ | |
| 1971 void | |
| 1972 ex_tcldo(eap) | |
| 1973 exarg_T *eap; | |
| 1974 { | |
| 1975 char *script, *line; | |
| 1976 int err, rs, re, lnum; | |
| 1977 char var_lnum[VARNAME_SIZE]; /* must be writeable memory */ | |
| 1978 char var_line[VARNAME_SIZE]; | |
| 1979 linenr_T first_line = 0; | |
| 1980 linenr_T last_line = 0; | |
| 1981 | |
| 1982 rs = eap->line1; | |
| 1983 re = eap->line2; | |
| 1984 script = (char *)eap->arg; | |
| 1985 strcpy(var_lnum, VAR_CURLNUM); | |
| 1986 strcpy(var_line, VAR_CURLINE); | |
| 1987 | |
| 1988 err = tclinit(eap); | |
| 1989 if (err != OK) | |
| 1990 return; | |
| 1991 | |
| 1992 lnum = row2tcl(rs); | |
| 1993 Tcl_LinkVar(tclinfo.interp, var_lnum, (char *)&lnum, TCL_LINK_INT|TCL_LINK_READ_ONLY); | |
| 1994 err = TCL_OK; | |
| 1995 if (u_save((linenr_T)(rs-1), (linenr_T)(re+1)) != OK) | |
| 1996 { | |
| 1997 Tcl_SetResult(tclinfo.interp, _("cannot save undo information"), TCL_STATIC); | |
| 1998 err = TCL_ERROR; | |
| 1999 } | |
| 2000 while (err == TCL_OK && rs <= re) | |
| 2001 { | |
| 2002 line = (char *)ml_get_buf(curbuf, (linenr_T)rs, FALSE); | |
| 2003 if (!line) | |
| 2004 { | |
| 2005 Tcl_SetResult(tclinfo.interp, _("cannot get line"), TCL_STATIC); | |
| 2006 err = TCL_ERROR; | |
| 2007 break; | |
| 2008 } | |
| 2009 Tcl_SetVar(tclinfo.interp, var_line, line, 0); | |
| 2010 Tcl_AllowExceptions(tclinfo.interp); | |
| 2011 err = Tcl_Eval(tclinfo.interp, script); | |
| 3369 | 2012 if (err != TCL_OK |
| 2013 || Tcl_InterpDeleted(tclinfo.interp) | |
| 2014 #if (TCL_MAJOR_VERSION == 8 && TCL_MINOR_VERSION >= 5) || TCL_MAJOR_VERSION > 8 | |
| 2015 || Tcl_LimitExceeded(tclinfo.interp) | |
| 2016 #endif | |
| 2017 ) | |
| 7 | 2018 break; |
| 135 | 2019 line = (char *)Tcl_GetVar(tclinfo.interp, var_line, 0); |
| 7 | 2020 if (line) |
| 2021 { | |
| 2022 if (ml_replace((linenr_T)rs, (char_u *)line, TRUE) != OK) | |
| 2023 { | |
| 2024 Tcl_SetResult(tclinfo.interp, _("cannot replace line"), TCL_STATIC); | |
| 2025 err = TCL_ERROR; | |
| 2026 break; | |
| 2027 } | |
| 2028 if (first_line == 0) | |
| 2029 first_line = rs; | |
| 2030 last_line = rs; | |
| 2031 } | |
| 2032 ++rs; | |
| 2033 ++lnum; | |
| 2034 Tcl_UpdateLinkedVar(tclinfo.interp, var_lnum); | |
| 2035 } | |
| 2036 if (first_line) | |
| 2037 changed_lines(first_line, 0, last_line + 1, (long)0); | |
| 2038 | |
| 2039 Tcl_UnsetVar(tclinfo.interp, var_line, 0); | |
| 2040 Tcl_UnlinkVar(tclinfo.interp, var_lnum); | |
| 2041 if (err == TCL_OK) | |
| 2042 Tcl_ResetResult(tclinfo.interp); | |
| 2043 | |
| 2044 (void)tclexit(err); | |
| 2045 } | |
| 2046 | |
| 2047 static void | |
| 2048 tcldelallrefs(ref) | |
| 2049 struct ref *ref; | |
| 2050 { | |
| 2051 struct ref *next; | |
| 2052 int err; | |
| 2053 char *result; | |
| 2054 | |
|
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aee06f1762e0
commit https://github.com/vim/vim/commit/858b96f382eeb8f1eab5100639e7b09523a6a2a1
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2055 #ifdef DYNAMIC_TCL |
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c9fc24b76293
commit https://github.com/vim/vim/commit/8a5115cf18751022387af2085f374d38c60dde83
Christian Brabandt <cb@256bit.org>
parents:
6949
diff
changeset
|
2056 /* TODO: this code currently crashes Vim on exit */ |
|
c9fc24b76293
commit https://github.com/vim/vim/commit/8a5115cf18751022387af2085f374d38c60dde83
Christian Brabandt <cb@256bit.org>
parents:
6949
diff
changeset
|
2057 if (exiting) |
|
c9fc24b76293
commit https://github.com/vim/vim/commit/8a5115cf18751022387af2085f374d38c60dde83
Christian Brabandt <cb@256bit.org>
parents:
6949
diff
changeset
|
2058 return; |
|
7564
aee06f1762e0
commit https://github.com/vim/vim/commit/858b96f382eeb8f1eab5100639e7b09523a6a2a1
Christian Brabandt <cb@256bit.org>
parents:
7538
diff
changeset
|
2059 #endif |
|
7538
c9fc24b76293
commit https://github.com/vim/vim/commit/8a5115cf18751022387af2085f374d38c60dde83
Christian Brabandt <cb@256bit.org>
parents:
6949
diff
changeset
|
2060 |
| 7 | 2061 while (ref != NULL) |
| 2062 { | |
| 2063 next = ref->next; | |
| 2064 if (ref->interp) | |
| 2065 { | |
| 2066 if (ref->delcmd) | |
| 2067 { | |
| 2068 err = Tcl_GlobalEvalObj(ref->interp, ref->delcmd); | |
| 2069 if (err != TCL_OK) | |
| 2070 { | |
| 135 | 2071 result = (char *)Tcl_GetStringResult(ref->interp); |
| 7 | 2072 if (result) |
| 2073 tclerrmsg(result); | |
| 2074 } | |
| 2075 Tcl_DecrRefCount(ref->delcmd); | |
| 2076 ref->delcmd = NULL; | |
| 2077 } | |
| 2078 Tcl_DeleteCommandFromToken(ref->interp, ref->cmd); | |
| 2079 } | |
| 2080 Tcl_Free((char *)ref); | |
| 2081 ref = next; | |
| 2082 } | |
| 2083 } | |
| 2084 | |
| 2085 void | |
| 2086 tcl_buffer_free(buf) | |
| 2087 buf_T *buf; | |
| 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 *)(buf->b_tcl_ref); |
| 7 | 2097 if (reflist != &refsdeleted) |
| 2098 { | |
| 502 | 2099 buf->b_tcl_ref = (void *)&refsdeleted; |
| 7 | 2100 tcldelallrefs(reflist); |
| 502 | 2101 buf->b_tcl_ref = NULL; |
| 7 | 2102 } |
| 2103 } | |
| 2104 | |
| 2105 #if defined(FEAT_WINDOWS) || defined(PROTO) | |
| 2106 void | |
| 2107 tcl_window_free(win) | |
| 2108 win_T *win; | |
| 2109 { | |
| 2110 struct ref *reflist; | |
| 2111 | |
| 2112 #ifdef DYNAMIC_TCL | |
| 2113 if (!stubs_initialized) /* Not using Tcl, nothing to do. */ | |
| 2114 return; | |
| 2115 #endif | |
| 2116 | |
| 502 | 2117 reflist = (struct ref*)(win->w_tcl_ref); |
| 7 | 2118 if (reflist != &refsdeleted) |
| 2119 { | |
| 502 | 2120 win->w_tcl_ref = (void *)&refsdeleted; |
| 7 | 2121 tcldelallrefs(reflist); |
| 502 | 2122 win->w_tcl_ref = NULL; |
| 7 | 2123 } |
| 2124 } | |
| 2125 #endif | |
| 2126 | |
| 2127 /* The End */ |