Mercurial > vim
annotate src/if_tcl.c @ 27449:b4c147ad4912 v8.2.4253
patch 8.2.4253: using freed memory when substitute with function call
Commit: https://github.com/vim/vim/commit/37f47958b8a2a44abc60614271d9537e7f14e51a
Author: Bram Moolenaar <Bram@vim.org>
Date: Sat Jan 29 14:21:51 2022 +0000
patch 8.2.4253: using freed memory when substitute with function call
Problem: Using freed memory when substitute uses a recursive function call.
Solution: Make a copy of the substitute text.
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Sat, 29 Jan 2022 15:30:04 +0100 |
| parents | 005ebb9c8b8f |
| children | 4dcccb2673fe |
| 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" | |
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70 #undef EXTERN // tcl.h defines it too |
| 7 | 71 |
| 72 #ifdef DYNAMIC_TCL | |
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73 # define USE_TCL_STUBS // use tcl's stubs mechanism |
| 7 | 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 | |
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109 // This appears to be new in Tcl 8.4. |
| 135 | 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; | |
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126 Tcl_Command cmd; // Tcl command that represents this object |
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127 Tcl_Obj *delcmd; // Tcl command to call when object is being del. |
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128 void *vimobj; // Vim window or buffer (win_T* or buf_T*) |
| 7 | 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 | |
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145 static struct ref refsdeleted; // dummy object for deleted ref list |
| 7 | 146 |
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147 ////////////////////////////////////////////////////////////////////////////// |
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148 // TCL interface manager |
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149 //////////////////////////////////////////////////////////////////////////// |
| 7 | 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 | |
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159 # ifndef DYNAMIC_TCL // Just generating prototypes |
| 7 | 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 # define load_dll_error dlerror |
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171 # else |
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172 # define TCL_PROC FARPROC |
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173 # define load_dll vimLoadLib |
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174 # define symbol_from_dll GetProcAddress |
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175 # define close_dll FreeLibrary |
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176 # define load_dll_error GetWin32Error |
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177 # endif |
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178 |
| 7 | 179 /* |
| 1890 | 180 * Declare HANDLE for tcl.dll and function pointers. |
| 7 | 181 */ |
| 182 static HANDLE hTclLib = NULL; | |
| 183 Tcl_Interp* (*dll_Tcl_CreateInterp)(); | |
| 5390 | 184 void (*dll_Tcl_FindExecutable)(const void *); |
| 7 | 185 |
| 186 /* | |
| 187 * Table of name to function pointer of tcl. | |
| 188 */ | |
| 189 static struct { | |
| 190 char* name; | |
| 191 TCL_PROC* ptr; | |
| 192 } tcl_funcname_table[] = { | |
| 193 {"Tcl_CreateInterp", (TCL_PROC*)&dll_Tcl_CreateInterp}, | |
| 5390 | 194 {"Tcl_FindExecutable", (TCL_PROC*)&dll_Tcl_FindExecutable}, |
| 7 | 195 {NULL, NULL}, |
| 196 }; | |
| 197 | |
| 198 /* | |
| 199 * Make all runtime-links of tcl. | |
| 200 * | |
| 201 * 1. Get module handle using LoadLibraryEx. | |
| 1890 | 202 * 2. Get pointer to tcl function by GetProcAddress. |
| 7 | 203 * 3. Repeat 2, until get all functions will be used. |
| 204 * | |
| 205 * Parameter 'libname' provides name of DLL. | |
| 206 * Return OK or FAIL. | |
| 207 */ | |
| 208 static int | |
| 209 tcl_runtime_link_init(char *libname, int verbose) | |
| 210 { | |
| 211 int i; | |
| 212 | |
| 213 if (hTclLib) | |
| 214 return OK; | |
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215 if (!(hTclLib = load_dll(libname))) |
| 7 | 216 { |
| 217 if (verbose) | |
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218 semsg(_(e_could_not_load_library_str_str), libname, load_dll_error()); |
| 7 | 219 return FAIL; |
| 220 } | |
| 221 for (i = 0; tcl_funcname_table[i].ptr; ++i) | |
| 222 { | |
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223 if (!(*tcl_funcname_table[i].ptr = symbol_from_dll(hTclLib, |
| 7 | 224 tcl_funcname_table[i].name))) |
| 225 { | |
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226 close_dll(hTclLib); |
| 7 | 227 hTclLib = NULL; |
| 228 if (verbose) | |
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229 semsg(_(e_could_not_load_library_function_str), tcl_funcname_table[i].name); |
| 7 | 230 return FAIL; |
| 231 } | |
| 232 } | |
| 233 return OK; | |
| 234 } | |
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235 #endif // defined(DYNAMIC_TCL) || defined(PROTO) |
| 7 | 236 |
| 237 #ifdef DYNAMIC_TCL | |
| 238 static char *find_executable_arg = NULL; | |
| 239 #endif | |
| 240 | |
| 241 void | |
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242 vim_tcl_init(char *arg) |
| 7 | 243 { |
| 244 #ifndef DYNAMIC_TCL | |
| 245 Tcl_FindExecutable(arg); | |
| 246 #else | |
| 247 find_executable_arg = arg; | |
| 248 #endif | |
| 249 } | |
| 250 | |
| 251 #if defined(DYNAMIC_TCL) || defined(PROTO) | |
| 252 | |
| 253 static int stubs_initialized = FALSE; | |
| 254 | |
| 255 /* | |
| 256 * Return TRUE if the TCL interface can be used. | |
| 257 */ | |
| 258 int | |
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259 tcl_enabled(int verbose) |
| 7 | 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 } | |
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275 // FIXME: When Tcl_InitStubs() was failed, how delete interp? |
| 7 | 276 } |
| 277 } | |
| 278 return stubs_initialized; | |
| 279 } | |
| 280 #endif | |
| 281 | |
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282 #if defined(EXITFREE) || defined(PROTO) |
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283 void |
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284 vim_tcl_finalize(void) |
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285 { |
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286 # ifdef DYNAMIC_TCL |
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287 if (stubs_initialized) |
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288 # endif |
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289 Tcl_Finalize(); |
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290 } |
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291 #endif |
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292 |
| 7 | 293 void |
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294 tcl_end(void) |
| 7 | 295 { |
| 296 } | |
| 297 | |
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298 ///////////////////////////////////////////////////////////////////////////// |
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299 // Tcl commands |
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300 //////////////////////////////////////////////////////////////////////////// |
| 7 | 301 |
| 302 /* | |
| 3369 | 303 * Replace standard "exit" command. |
| 7 | 304 * |
| 3369 | 305 * Delete the Tcl interpreter; a new one will be created with the next |
| 306 * :tcl command). The exit code is saved (and retrieved in tclexit()). | |
| 307 * Since Tcl's exit is never expected to return and this replacement | |
| 308 * does, then (except for a trivial case) additional Tcl commands will | |
| 309 * be run. Since the interpreter is now marked as deleted, an error | |
| 310 * will be returned -- typically "attempt to call eval in deleted | |
| 311 * interpreter". Hopefully, at this point, checks for TCL_ERROR take | |
| 312 * place and control percolates back up to Vim -- but with this new error | |
| 313 * string in the interpreter's result value. Therefore it would be | |
| 314 * useless for this routine to return the exit code via Tcl_SetResult(). | |
| 7 | 315 */ |
| 316 static int | |
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317 exitcmd( |
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318 ClientData dummy UNUSED, |
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319 Tcl_Interp *interp, |
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320 int objc, |
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321 Tcl_Obj *CONST objv[]) |
| 7 | 322 { |
| 323 int value = 0; | |
| 324 | |
| 325 switch (objc) | |
| 326 { | |
| 327 case 2: | |
| 328 if (Tcl_GetIntFromObj(interp, objv[1], &value) != TCL_OK) | |
| 329 break; | |
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330 // FALLTHROUGH |
| 7 | 331 case 1: |
| 3369 | 332 tclinfo.exitvalue = value; |
| 333 | |
| 334 Tcl_DeleteInterp(interp); | |
| 335 break; | |
| 7 | 336 default: |
| 337 Tcl_WrongNumArgs(interp, 1, objv, "?returnCode?"); | |
| 338 } | |
| 339 return TCL_ERROR; | |
| 340 } | |
| 341 | |
| 342 /* | |
| 343 * "::vim::beep" - what Vi[m] does best :-) | |
| 344 */ | |
| 345 static int | |
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346 beepcmd( |
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347 ClientData dummy UNUSED, |
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348 Tcl_Interp *interp, |
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349 int objc, |
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350 Tcl_Obj *CONST objv[]) |
| 7 | 351 { |
| 352 if (objc != 1) | |
| 353 { | |
| 354 Tcl_WrongNumArgs(interp, 1, objv, NULL); | |
| 355 return TCL_ERROR; | |
| 356 } | |
| 6949 | 357 vim_beep(BO_LANG); |
| 7 | 358 return TCL_OK; |
| 359 } | |
| 360 | |
| 361 /* | |
| 362 * "::vim::buffer list" - create a list of buffer commands. | |
| 1222 | 363 * "::vim::buffer {N}" - create buffer command for buffer N. |
| 3369 | 364 * "::vim::buffer exists {N}" - test if buffer N exists. |
| 7 | 365 * "::vim::buffer new" - create a new buffer (not implemented) |
| 366 */ | |
| 367 static int | |
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368 buffercmd( |
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369 ClientData dummy UNUSED, |
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370 Tcl_Interp *interp, |
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371 int objc, |
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372 Tcl_Obj *CONST objv[]) |
| 7 | 373 { |
| 374 char *name; | |
| 375 buf_T *buf; | |
| 376 Tcl_Obj *resobj; | |
| 377 int err, n, idx; | |
| 378 enum {BCMD_EXISTS, BCMD_LIST}; | |
| 135 | 379 static CONST84 char *bcmdoptions[] = |
| 7 | 380 { |
| 381 "exists", "list", (char *)0 | |
| 382 }; | |
| 383 | |
| 384 if (objc < 2) | |
| 385 { | |
| 386 Tcl_WrongNumArgs(interp, 1, objv, "option"); | |
| 387 return TCL_ERROR; | |
| 388 } | |
| 389 err = Tcl_GetIntFromObj(interp, objv[1], &n); | |
| 390 if (err == TCL_OK) | |
| 391 { | |
| 392 if (objc != 2) | |
| 393 { | |
| 394 Tcl_WrongNumArgs(interp, 1, objv, "bufNumber"); | |
| 395 return TCL_ERROR; | |
| 396 } | |
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397 FOR_ALL_BUFFERS(buf) |
| 7 | 398 { |
| 399 if (buf->b_fnum == n) | |
| 400 { | |
| 401 name = tclgetbuffer(interp, buf); | |
| 402 if (name == NULL) | |
| 403 return TCL_ERROR; | |
| 404 Tcl_SetResult(interp, name, TCL_VOLATILE); | |
| 405 return TCL_OK; | |
| 406 } | |
| 407 } | |
| 408 Tcl_SetResult(interp, _("invalid buffer number"), TCL_STATIC); | |
| 409 return TCL_ERROR; | |
| 410 } | |
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411 Tcl_ResetResult(interp); // clear error from Tcl_GetIntFromObj |
| 7 | 412 |
| 413 err = Tcl_GetIndexFromObj(interp, objv[1], bcmdoptions, "option", 0, &idx); | |
| 414 if (err != TCL_OK) | |
| 415 return err; | |
| 416 switch (idx) | |
| 417 { | |
| 418 case BCMD_LIST: | |
| 419 if (objc != 2) | |
| 420 { | |
| 421 Tcl_WrongNumArgs(interp, 2, objv, ""); | |
| 422 err = TCL_ERROR; | |
| 423 break; | |
| 424 } | |
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425 FOR_ALL_BUFFERS(buf) |
| 7 | 426 { |
| 427 name = tclgetbuffer(interp, buf); | |
| 428 if (name == NULL) | |
| 429 { | |
| 430 err = TCL_ERROR; | |
| 431 break; | |
| 432 } | |
| 433 Tcl_AppendElement(interp, name); | |
| 434 } | |
| 435 break; | |
| 436 | |
| 437 case BCMD_EXISTS: | |
| 438 if (objc != 3) | |
| 439 { | |
| 440 Tcl_WrongNumArgs(interp, 2, objv, "bufNumber"); | |
| 441 err = TCL_ERROR; | |
| 442 break; | |
| 443 } | |
| 444 err = Tcl_GetIntFromObj(interp, objv[2], &n); | |
| 445 if (err == TCL_OK) | |
| 446 { | |
| 447 buf = buflist_findnr(n); | |
| 448 resobj = Tcl_NewIntObj(buf != NULL); | |
| 449 Tcl_SetObjResult(interp, resobj); | |
| 450 } | |
| 451 break; | |
| 452 | |
| 453 default: | |
| 454 Tcl_SetResult(interp, _("not implemented yet"), TCL_STATIC); | |
| 455 err = TCL_ERROR; | |
| 456 } | |
| 457 return err; | |
| 458 } | |
| 459 | |
| 460 /* | |
| 461 * "::vim::window list" - create list of window commands. | |
| 462 */ | |
| 463 static int | |
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464 windowcmd( |
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465 ClientData dummy UNUSED, |
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466 Tcl_Interp *interp, |
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467 int objc, |
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468 Tcl_Obj *CONST objv[]) |
| 7 | 469 { |
| 470 char *what, *string; | |
| 471 win_T *win; | |
| 472 | |
| 473 if (objc != 2) | |
| 474 { | |
| 475 Tcl_WrongNumArgs(interp, 1, objv, "option"); | |
| 476 return TCL_ERROR; | |
| 477 } | |
| 478 what = Tcl_GetStringFromObj(objv[1], NULL); | |
| 479 if (strcmp(what, "list") == 0) | |
| 480 { | |
| 481 FOR_ALL_WINDOWS(win) | |
| 482 { | |
| 483 string = tclgetwindow(interp, win); | |
| 484 if (string == NULL) | |
| 485 return TCL_ERROR; | |
| 486 Tcl_AppendElement(interp, string); | |
| 487 } | |
| 488 return TCL_OK; | |
| 489 } | |
| 490 Tcl_SetResult(interp, _("unknown option"), TCL_STATIC); | |
| 491 return TCL_ERROR; | |
| 492 } | |
| 493 | |
| 494 /* | |
| 495 * flags for bufselfcmd and winselfcmd to indicate outstanding actions. | |
| 496 */ | |
| 497 #define FL_UPDATE_SCREEN (1<<0) | |
| 498 #define FL_UPDATE_CURBUF (1<<1) | |
| 499 #define FL_ADJUST_CURSOR (1<<2) | |
| 500 | |
| 501 /* | |
| 502 * This function implements the buffer commands. | |
| 503 */ | |
| 504 static int | |
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505 bufselfcmd( |
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506 ClientData ref, |
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507 Tcl_Interp *interp, |
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508 int objc, |
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509 Tcl_Obj *CONST objv[]) |
| 7 | 510 { |
| 511 int opt, err, idx, flags; | |
| 512 int val1, val2, n, i; | |
| 513 buf_T *buf, *savebuf; | |
| 514 win_T *win, *savewin; | |
| 515 Tcl_Obj *resobj; | |
| 516 pos_T *pos; | |
| 517 char *line; | |
| 518 | |
| 519 enum | |
| 520 { | |
| 521 BUF_APPEND, BUF_COMMAND, BUF_COUNT, BUF_DELCMD, BUF_DELETE, BUF_EXPR, | |
| 522 BUF_GET, BUF_INSERT, BUF_LAST, BUF_MARK, BUF_NAME, BUF_NUMBER, | |
| 523 BUF_OPTION, BUF_SET, BUF_WINDOWS | |
| 524 }; | |
| 135 | 525 static CONST84 char *bufoptions[] = |
| 7 | 526 { |
| 527 "append", "command", "count", "delcmd", "delete", "expr", | |
| 528 "get", "insert", "last", "mark", "name", "number", | |
| 529 "option", "set", "windows", (char *)0 | |
| 530 }; | |
| 531 | |
| 532 if (objc < 2) | |
| 533 { | |
| 534 Tcl_WrongNumArgs(interp, 1, objv, "option ?arg ...?"); | |
| 535 return TCL_ERROR; | |
| 536 } | |
| 537 | |
| 538 err = Tcl_GetIndexFromObj(interp, objv[1], bufoptions, "option", 0, &idx); | |
| 539 if (err != TCL_OK) | |
| 540 return err; | |
| 541 | |
| 542 buf = (buf_T *)((struct ref *)ref)->vimobj; | |
| 543 savebuf = curbuf; curbuf = buf; | |
| 544 savewin = curwin; curwin = tclfindwin(buf); | |
| 545 flags = 0; | |
| 546 opt = 0; | |
| 547 | |
| 548 switch (idx) | |
| 549 { | |
| 550 case BUF_COMMAND: | |
| 551 err = tcldoexcommand(interp, objc, objv, 2); | |
| 552 flags |= FL_UPDATE_SCREEN; | |
| 553 break; | |
| 554 | |
| 555 case BUF_OPTION: | |
| 556 err = tclsetoption(interp, objc, objv, 2); | |
| 557 flags |= FL_UPDATE_SCREEN; | |
| 558 break; | |
| 559 | |
| 560 case BUF_EXPR: | |
| 561 err = tclvimexpr(interp, objc, objv, 2); | |
| 562 break; | |
| 563 | |
| 564 case BUF_NAME: | |
| 565 /* | |
| 566 * Get filename of buffer. | |
| 567 */ | |
| 568 if (objc != 2) | |
| 569 { | |
| 570 Tcl_WrongNumArgs(interp, 2, objv, NULL); | |
| 571 err = TCL_ERROR; | |
| 572 break; | |
| 573 } | |
| 574 if (buf->b_ffname) | |
| 575 Tcl_SetResult(interp, (char *)buf->b_ffname, TCL_VOLATILE); | |
| 576 else | |
| 577 Tcl_SetResult(interp, "", TCL_STATIC); | |
| 578 break; | |
| 579 | |
| 580 case BUF_LAST: | |
| 581 /* | |
| 582 * Get line number of last line. | |
| 583 */ | |
| 584 opt = 1; | |
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585 // fallthrough |
| 7 | 586 case BUF_COUNT: |
| 587 /* | |
| 588 * Get number of lines in buffer. | |
| 589 */ | |
| 590 if (objc != 2) | |
| 591 { | |
| 592 Tcl_WrongNumArgs(interp, 2, objv, NULL); | |
| 593 err = TCL_ERROR; | |
| 594 break; | |
| 595 } | |
| 596 val1 = (int)buf->b_ml.ml_line_count; | |
| 597 if (opt) | |
| 598 val1 = row2tcl(val1); | |
| 599 | |
| 600 resobj = Tcl_NewIntObj(val1); | |
| 601 Tcl_SetObjResult(interp, resobj); | |
| 602 break; | |
| 603 | |
| 604 case BUF_NUMBER: | |
| 605 /* | |
| 606 * Get buffer's number. | |
| 607 */ | |
| 608 if (objc != 2) | |
| 609 { | |
| 610 Tcl_WrongNumArgs(interp, 2, objv, NULL); | |
| 611 err = TCL_ERROR; | |
| 612 break; | |
| 613 } | |
| 614 resobj = Tcl_NewIntObj((int)buf->b_fnum); | |
| 615 Tcl_SetObjResult(interp, resobj); | |
| 616 break; | |
| 617 | |
| 618 case BUF_GET: | |
| 619 if (objc != 3 && objc != 4) | |
| 620 { | |
| 621 Tcl_WrongNumArgs(interp, 2, objv, "lineNumber ?lineNumber?"); | |
| 622 err = TCL_ERROR; | |
| 623 break; | |
| 624 } | |
| 625 err = tclgetlinenum(interp, objv[2], &val1, buf); | |
| 626 if (err != TCL_OK) | |
| 627 break; | |
| 628 if (objc == 4) | |
| 629 { | |
| 630 err = tclgetlinenum(interp, objv[3], &val2, buf); | |
| 631 if (err != TCL_OK) | |
| 632 break; | |
| 633 if (val1 > val2) | |
| 634 { | |
| 635 n = val1; val1 = val2; val2 = n; | |
| 636 } | |
| 637 Tcl_ResetResult(interp); | |
| 638 | |
| 639 for (n = val1; n <= val2 && err == TCL_OK; n++) | |
| 640 { | |
| 641 line = (char *)ml_get_buf(buf, (linenr_T)n, FALSE); | |
| 642 if (line) | |
| 643 Tcl_AppendElement(interp, line); | |
| 644 else | |
| 645 err = TCL_ERROR; | |
| 646 } | |
| 647 } | |
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648 else { // objc == 3 |
| 7 | 649 line = (char *)ml_get_buf(buf, (linenr_T)val1, FALSE); |
| 650 Tcl_SetResult(interp, line, TCL_VOLATILE); | |
| 651 } | |
| 652 break; | |
| 653 | |
| 654 case BUF_SET: | |
| 655 if (objc != 4 && objc != 5) | |
| 656 { | |
| 657 Tcl_WrongNumArgs(interp, 3, objv, "lineNumber ?lineNumber? stringOrList"); | |
| 658 err = TCL_ERROR; | |
| 659 break; | |
| 660 } | |
| 661 err = tclgetlinenum(interp, objv[2], &val1, buf); | |
| 662 if (err != TCL_OK) | |
| 663 return TCL_ERROR; | |
| 664 if (objc == 4) | |
| 665 { | |
| 666 /* | |
| 667 * Replace one line with a string. | |
| 668 * $buf set {n} {string} | |
| 669 */ | |
| 670 line = Tcl_GetStringFromObj(objv[3], NULL); | |
| 671 if (u_savesub((linenr_T)val1) != OK) | |
| 672 { | |
| 673 Tcl_SetResult(interp, _("cannot save undo information"), TCL_STATIC); | |
| 674 err = TCL_ERROR; | |
| 675 } | |
| 676 else | |
| 677 if (ml_replace((linenr_T)val1, (char_u *)line, TRUE) != OK) | |
| 678 { | |
| 679 Tcl_SetResult(interp, _("cannot replace line"), TCL_STATIC); | |
| 680 err = TCL_ERROR; | |
| 681 } | |
| 682 else | |
| 683 { | |
| 684 changed_bytes((linenr_T)val1, 0); | |
| 685 flags |= FL_UPDATE_CURBUF; | |
| 686 } | |
| 687 break; | |
| 688 } | |
| 689 else | |
| 690 { | |
| 691 /* | |
| 692 * Replace several lines with the elements of a Tcl list. | |
| 693 * $buf set {n} {m} {list} | |
| 694 * If the list contains more than {m}-{n}+1 elements, they | |
| 695 * are * inserted after line {m}. If the list contains fewer | |
| 696 * elements, * the lines from {n}+length({list}) through {m} | |
| 697 * are deleted. | |
| 698 */ | |
| 699 int lc; | |
| 700 Tcl_Obj **lv; | |
| 701 | |
| 702 err = tclgetlinenum(interp, objv[3], &val2, buf); | |
| 703 if (err != TCL_OK) | |
| 704 break; | |
| 705 err = Tcl_ListObjGetElements(interp, objv[4], &lc, &lv); | |
| 706 if (err != TCL_OK) | |
| 707 break; | |
| 708 if (val1 > val2) | |
| 709 { | |
| 710 n = val1; | |
| 711 val1 = val2; | |
| 712 val2 = n; | |
| 713 } | |
| 714 | |
| 715 n = val1; | |
| 716 if (u_save((linenr_T)(val1 - 1), (linenr_T)(val2 + 1)) != OK) | |
| 717 { | |
| 718 Tcl_SetResult(interp, _("cannot save undo information"), | |
| 719 TCL_STATIC); | |
| 720 err = TCL_ERROR; | |
| 721 break; | |
| 722 } | |
| 723 flags |= FL_UPDATE_CURBUF; | |
| 724 | |
| 725 for (i = 0; i < lc && n <= val2; i++) | |
| 726 { | |
| 727 line = Tcl_GetStringFromObj(lv[i], NULL); | |
| 728 if (ml_replace((linenr_T)n, (char_u *)line, TRUE) != OK) | |
| 729 goto setListError; | |
| 730 ++n; | |
| 731 } | |
| 732 if (i < lc) | |
| 733 { | |
|
18798
f0f9692d4487
patch 8.1.2387: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
734 // append lines |
| 7 | 735 do |
| 736 { | |
| 737 line = Tcl_GetStringFromObj(lv[i], NULL); | |
| 738 if (ml_append((linenr_T)(n - 1), | |
| 739 (char_u *)line, 0, FALSE) != OK) | |
| 740 goto setListError; | |
| 741 ++n; | |
| 742 ++i; | |
| 743 } while (i < lc); | |
| 744 } | |
| 745 else if (n <= val2) | |
| 746 { | |
|
18798
f0f9692d4487
patch 8.1.2387: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
747 // did not replace all lines, delete |
| 7 | 748 i = n; |
| 749 do | |
| 750 { | |
|
20599
d571231175b4
patch 8.2.0853: ml_delete() often called with FALSE argument
Bram Moolenaar <Bram@vim.org>
parents:
20369
diff
changeset
|
751 if (ml_delete((linenr_T)i) != OK) |
| 7 | 752 goto setListError; |
| 753 ++n; | |
| 754 } while (n <= val2); | |
| 755 } | |
|
18798
f0f9692d4487
patch 8.1.2387: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
756 lc -= val2 - val1 + 1; // number of lines to be replaced |
| 7 | 757 mark_adjust((linenr_T)val1, (linenr_T)val2, (long)MAXLNUM, |
| 758 (long)lc); | |
| 759 changed_lines((linenr_T)val1, 0, (linenr_T)val2 + 1, (long)lc); | |
| 760 break; | |
| 761 setListError: | |
|
18798
f0f9692d4487
patch 8.1.2387: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
762 u_undo(1); // ??? |
| 7 | 763 Tcl_SetResult(interp, _("cannot set line(s)"), TCL_STATIC); |
| 764 err = TCL_ERROR; | |
| 765 } | |
| 766 break; | |
| 767 | |
| 768 case BUF_DELETE: | |
| 769 if (objc != 3 && objc != 4) | |
| 770 { | |
| 771 Tcl_WrongNumArgs(interp, 3, objv, "lineNumber ?lineNumber?"); | |
| 772 err = TCL_ERROR; | |
| 773 break; | |
| 774 } | |
| 775 err = tclgetlinenum(interp, objv[2], &val1, buf); | |
| 776 if (err != TCL_OK) | |
| 777 break; | |
| 778 val2 = val1; | |
| 779 if (objc == 4) | |
| 780 { | |
| 781 err = tclgetlinenum(interp, objv[3], &val2, buf); | |
| 782 if (err != TCL_OK) | |
| 783 return err; | |
| 784 if (val1 > val2) | |
| 785 { | |
| 786 i = val1; val1 = val2; val2 = i; | |
| 787 } | |
| 788 } | |
| 789 n = val2 - val1 + 1; | |
| 790 if (u_savedel((linenr_T)val1, (long)n) != OK) | |
| 791 { | |
| 792 Tcl_SetResult(interp, _("cannot save undo information"), | |
| 793 TCL_STATIC); | |
| 794 err = TCL_ERROR; | |
| 795 break; | |
| 796 } | |
| 797 for (i = 0; i < n; i++) | |
| 798 { | |
|
20599
d571231175b4
patch 8.2.0853: ml_delete() often called with FALSE argument
Bram Moolenaar <Bram@vim.org>
parents:
20369
diff
changeset
|
799 ml_delete((linenr_T)val1); |
| 7 | 800 err = vimerror(interp); |
| 801 if (err != TCL_OK) | |
| 802 break; | |
| 803 } | |
| 804 if (i > 0) | |
| 805 deleted_lines_mark((linenr_T)val1, (long)i); | |
| 806 flags |= FL_ADJUST_CURSOR|FL_UPDATE_SCREEN; | |
| 807 break; | |
| 808 | |
| 809 case BUF_MARK: | |
| 810 if (objc != 3) | |
| 811 { | |
| 812 Tcl_WrongNumArgs(interp, 2, objv, "markName"); | |
| 813 err = TCL_ERROR; | |
| 814 break; | |
| 815 } | |
| 816 line = Tcl_GetStringFromObj(objv[2], NULL); | |
| 817 | |
| 818 pos = NULL; | |
| 819 if (line[0] != '\0' && line[1] == '\0') | |
| 820 pos = getmark(line[0], FALSE); | |
| 821 if (pos == NULL) | |
| 822 { | |
| 823 Tcl_SetResult(interp, _("invalid mark name"), TCL_STATIC); | |
| 824 err = TCL_ERROR; | |
| 825 break; | |
| 826 } | |
| 827 err = vimerror(interp); | |
| 828 if (err != TCL_OK) | |
| 829 break; | |
| 830 if (pos->lnum <= 0) | |
| 831 { | |
| 832 Tcl_SetResult(interp, _("mark not set"), TCL_STATIC); | |
| 833 err = TCL_ERROR; | |
| 834 } | |
| 835 else | |
| 836 { | |
| 837 char rbuf[64]; | |
| 274 | 838 |
| 839 sprintf(rbuf, _("row %d column %d"), | |
| 840 (int)row2tcl(pos->lnum), (int)col2tcl(pos->col)); | |
| 7 | 841 Tcl_SetResult(interp, rbuf, TCL_VOLATILE); |
| 842 } | |
| 843 break; | |
| 844 | |
| 845 case BUF_INSERT: | |
| 846 opt = 1; | |
|
18798
f0f9692d4487
patch 8.1.2387: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
847 // fallthrough |
| 7 | 848 case BUF_APPEND: |
| 849 if (objc != 4) | |
| 850 { | |
| 851 Tcl_WrongNumArgs(interp, 2, objv, "lineNum text"); | |
| 852 err = TCL_ERROR; | |
| 853 break; | |
| 854 } | |
| 855 err = tclgetlinenum(interp, objv[2], &val1, buf); | |
| 856 if (err != TCL_OK) | |
| 857 break; | |
| 858 if (opt) | |
| 859 --val1; | |
| 860 if (u_save((linenr_T)val1, (linenr_T)(val1+1)) != OK) | |
| 861 { | |
| 274 | 862 Tcl_SetResult(interp, _("cannot save undo information"), |
| 863 TCL_STATIC); | |
| 7 | 864 err = TCL_ERROR; |
| 865 break; | |
| 866 } | |
| 867 | |
| 868 line = Tcl_GetStringFromObj(objv[3], NULL); | |
| 869 if (ml_append((linenr_T)val1, (char_u *)line, 0, FALSE) != OK) | |
| 870 { | |
| 274 | 871 Tcl_SetResult(interp, _("cannot insert/append line"), |
| 872 TCL_STATIC); | |
| 7 | 873 err = TCL_ERROR; |
| 874 break; | |
| 875 } | |
| 876 appended_lines_mark((linenr_T)val1, 1L); | |
| 877 flags |= FL_UPDATE_SCREEN; | |
| 878 break; | |
| 879 | |
| 880 case BUF_WINDOWS: | |
| 881 /* | |
| 882 * Return list of window commands. | |
| 883 */ | |
| 884 if (objc != 2) | |
| 885 { | |
| 886 Tcl_WrongNumArgs(interp, 2, objv, NULL); | |
| 887 err = TCL_ERROR; | |
| 888 break; | |
| 889 } | |
| 890 Tcl_ResetResult(interp); | |
| 891 FOR_ALL_WINDOWS(win) | |
| 892 { | |
| 893 if (win->w_buffer == buf) | |
| 894 { | |
| 895 line = tclgetwindow(interp, win); | |
| 896 if (line != NULL) | |
| 897 Tcl_AppendElement(interp, line); | |
| 898 else | |
| 899 { | |
| 900 err = TCL_ERROR; | |
| 901 break; | |
| 902 } | |
| 903 } | |
| 904 } | |
| 905 break; | |
| 906 | |
| 907 case BUF_DELCMD: | |
| 908 /* | |
| 909 * Register deletion callback. | |
| 910 * TODO: Should be able to register multiple callbacks | |
| 911 */ | |
| 912 if (objc != 3) | |
| 913 { | |
| 914 Tcl_WrongNumArgs(interp, 2, objv, "command"); | |
| 915 err = TCL_ERROR; | |
| 916 break; | |
| 917 } | |
| 502 | 918 err = tclsetdelcmd(interp, buf->b_tcl_ref, (void *)buf, objv[2]); |
| 7 | 919 break; |
| 920 | |
| 921 default: | |
| 922 Tcl_SetResult(interp, _("not implemented yet"), TCL_STATIC); | |
| 923 err = TCL_ERROR; | |
| 924 } | |
| 925 | |
| 926 if (flags & FL_UPDATE_CURBUF) | |
| 927 redraw_curbuf_later(NOT_VALID); | |
| 928 curbuf = savebuf; | |
| 929 curwin = savewin; | |
| 930 if (flags & FL_ADJUST_CURSOR) | |
| 931 check_cursor(); | |
| 932 if (flags & (FL_UPDATE_SCREEN | FL_UPDATE_CURBUF)) | |
| 933 update_screen(NOT_VALID); | |
| 934 | |
| 935 return err; | |
| 936 } | |
| 937 | |
| 938 /* | |
| 939 * This function implements the window commands. | |
| 940 */ | |
| 941 static int | |
|
7823
bcef391c101c
commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
Christian Brabandt <cb@256bit.org>
parents:
7776
diff
changeset
|
942 winselfcmd( |
|
bcef391c101c
commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
Christian Brabandt <cb@256bit.org>
parents:
7776
diff
changeset
|
943 ClientData ref, |
|
bcef391c101c
commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
Christian Brabandt <cb@256bit.org>
parents:
7776
diff
changeset
|
944 Tcl_Interp *interp, |
|
bcef391c101c
commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
Christian Brabandt <cb@256bit.org>
parents:
7776
diff
changeset
|
945 int objc, |
|
bcef391c101c
commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
Christian Brabandt <cb@256bit.org>
parents:
7776
diff
changeset
|
946 Tcl_Obj *CONST objv[]) |
| 7 | 947 { |
| 948 int err, idx, flags; | |
| 949 int val1, val2; | |
| 950 Tcl_Obj *resobj; | |
| 951 win_T *savewin, *win; | |
| 952 buf_T *savebuf; | |
| 953 char *str; | |
| 954 | |
| 955 enum | |
| 956 { | |
| 957 WIN_BUFFER, WIN_COMMAND, WIN_CURSOR, WIN_DELCMD, WIN_EXPR, | |
| 958 WIN_HEIGHT, WIN_OPTION | |
| 959 }; | |
| 135 | 960 static CONST84 char *winoptions[] = |
| 7 | 961 { |
| 962 "buffer", "command", "cursor", "delcmd", "expr", | |
| 963 "height", "option", (char *)0 | |
| 964 }; | |
| 965 | |
| 966 if (objc < 2) | |
| 967 { | |
| 968 Tcl_WrongNumArgs(interp, 1, objv, "option ?arg ...?"); | |
| 969 return TCL_ERROR; | |
| 970 } | |
| 971 | |
| 972 err = Tcl_GetIndexFromObj(interp, objv[1], winoptions, "option", 0, &idx); | |
| 973 if (err != TCL_OK) | |
| 974 return TCL_ERROR; | |
| 975 | |
| 976 win = (win_T *)((struct ref *)ref)->vimobj; | |
| 977 savewin = curwin; curwin = win; | |
| 978 savebuf = curbuf; curbuf = win->w_buffer; | |
| 979 flags = 0; | |
| 980 | |
| 981 switch (idx) | |
| 982 { | |
| 983 case WIN_OPTION: | |
| 984 err = tclsetoption(interp, objc, objv, 2); | |
| 985 flags |= FL_UPDATE_SCREEN; | |
| 986 break; | |
| 987 | |
| 988 case WIN_COMMAND: | |
| 989 err = tcldoexcommand(interp, objc, objv, 2); | |
| 990 flags |= FL_UPDATE_SCREEN; | |
| 991 break; | |
| 992 | |
| 993 case WIN_EXPR: | |
| 994 err = tclvimexpr(interp, objc, objv, 2); | |
| 995 break; | |
| 996 | |
| 997 case WIN_HEIGHT: | |
| 998 if (objc == 3) | |
| 999 { | |
| 1000 err = Tcl_GetIntFromObj(interp, objv[2], &val1); | |
| 1001 if (err != TCL_OK) | |
| 1002 break; | |
| 1003 #ifdef FEAT_GUI | |
| 1004 need_mouse_correct = TRUE; | |
| 1005 #endif | |
| 1006 win_setheight(val1); | |
| 1007 err = vimerror(interp); | |
| 1008 if (err != TCL_OK) | |
| 1009 break; | |
| 1010 } | |
| 1011 else | |
| 1012 if (objc != 2) | |
| 1013 { | |
| 1014 Tcl_WrongNumArgs(interp, 2, objv, "?value?"); | |
| 1015 err = TCL_ERROR; | |
| 1016 break; | |
| 1017 } | |
| 1018 | |
| 1019 resobj = Tcl_NewIntObj((int)(win->w_height)); | |
| 1020 Tcl_SetObjResult(interp, resobj); | |
| 1021 break; | |
| 1022 | |
| 1023 case WIN_BUFFER: | |
| 1024 if (objc != 2) | |
| 1025 { | |
| 1026 Tcl_WrongNumArgs(interp, 2, objv, NULL); | |
| 1027 err = TCL_ERROR; | |
| 1028 break; | |
| 1029 } | |
| 1030 str = tclgetbuffer(interp, win->w_buffer); | |
| 1031 if (str) | |
| 1032 Tcl_SetResult(interp, str, TCL_VOLATILE); | |
| 1033 else | |
| 1034 err = TCL_ERROR; | |
| 1035 break; | |
| 1036 | |
| 1037 case WIN_DELCMD: | |
| 1038 if (objc != 3) | |
| 1039 { | |
| 1040 Tcl_WrongNumArgs(interp, 2, objv, "command"); | |
| 1041 err = TCL_ERROR; | |
| 1042 break; | |
| 1043 } | |
| 502 | 1044 err = tclsetdelcmd(interp, win->w_tcl_ref, (void *)win, objv[2]); |
| 7 | 1045 break; |
| 1046 | |
| 1047 case WIN_CURSOR: | |
| 1048 if (objc > 4) | |
| 1049 { | |
| 1050 Tcl_WrongNumArgs(interp, 2, objv, "?arg1 ?arg2??"); | |
| 1051 err = TCL_ERROR; | |
| 1052 break; | |
| 1053 } | |
| 1054 if (objc == 2) | |
| 1055 { | |
| 1056 char buf[64]; | |
| 274 | 1057 |
| 7 | 1058 sprintf(buf, _("row %d column %d"), (int)row2tcl(win->w_cursor.lnum), (int)col2tcl(win->w_cursor.col)); |
| 1059 Tcl_SetResult(interp, buf, TCL_VOLATILE); | |
| 1060 break; | |
| 1061 } | |
| 1062 else if (objc == 3) | |
| 1063 { | |
| 1064 Tcl_Obj *part, *var; | |
| 1065 | |
| 1066 part = Tcl_NewStringObj("row", -1); | |
| 1067 var = Tcl_ObjGetVar2(interp, objv[2], part, TCL_LEAVE_ERR_MSG); | |
| 1068 if (var == NULL) | |
| 1069 { | |
| 1070 err = TCL_ERROR; | |
| 1071 break; | |
| 1072 } | |
| 1073 err = tclgetlinenum(interp, var, &val1, win->w_buffer); | |
| 1074 if (err != TCL_OK) | |
| 1075 break; | |
| 1076 part = Tcl_NewStringObj("column", -1); | |
| 1077 var = Tcl_ObjGetVar2(interp, objv[2], part, TCL_LEAVE_ERR_MSG); | |
| 1078 if (var == NULL) | |
| 1079 { | |
| 1080 err = TCL_ERROR; | |
| 1081 break; | |
| 1082 } | |
| 1083 err = Tcl_GetIntFromObj(interp, var, &val2); | |
| 1084 if (err != TCL_OK) | |
| 1085 break; | |
| 1086 } | |
|
18798
f0f9692d4487
patch 8.1.2387: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1087 else { // objc == 4 |
| 7 | 1088 err = tclgetlinenum(interp, objv[2], &val1, win->w_buffer); |
| 1089 if (err != TCL_OK) | |
| 1090 break; | |
| 1091 err = Tcl_GetIntFromObj(interp, objv[3], &val2); | |
| 1092 if (err != TCL_OK) | |
| 1093 break; | |
| 1094 } | |
|
18798
f0f9692d4487
patch 8.1.2387: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
1095 // TODO: should check column |
| 7 | 1096 win->w_cursor.lnum = val1; |
| 1097 win->w_cursor.col = col2vim(val2); | |
|
14395
c15bef307de6
patch 8.1.0212: preferred cursor column not set in interfaces
Christian Brabandt <cb@256bit.org>
parents:
14264
diff
changeset
|
1098 win->w_set_curswant = TRUE; |
| 7 | 1099 flags |= FL_UPDATE_SCREEN; |
| 1100 break; | |
| 1101 | |
| 1102 default: | |
| 1103 Tcl_SetResult(interp, _("not implemented yet"), TCL_STATIC); | |
| 1104 break; | |
| 1105 } | |
| 1106 | |
| 1107 curwin = savewin; | |
| 1108 curbuf = savebuf; | |
| 1109 if (flags & FL_UPDATE_SCREEN) | |
| 1110 update_screen(NOT_VALID); | |
| 1111 | |
| 1112 return err; | |
| 1113 } | |
| 1114 | |
| 1115 | |
| 1116 static int | |
|
7823
bcef391c101c
commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
Christian Brabandt <cb@256bit.org>
parents:
7776
diff
changeset
|
1117 commandcmd( |
|
bcef391c101c
commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
Christian Brabandt <cb@256bit.org>
parents:
7776
diff
changeset
|
1118 ClientData dummy UNUSED, |
|
bcef391c101c
commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
Christian Brabandt <cb@256bit.org>
parents:
7776
diff
changeset
|
1119 Tcl_Interp *interp, |
|
bcef391c101c
commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
Christian Brabandt <cb@256bit.org>
parents:
7776
diff
changeset
|
1120 int objc, |
|
bcef391c101c
commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
Christian Brabandt <cb@256bit.org>
parents:
7776
diff
changeset
|
1121 Tcl_Obj *CONST objv[]) |
| 7 | 1122 { |
| 1123 int err; | |
| 1124 | |
| 1125 err = tcldoexcommand(interp, objc, objv, 1); | |
| 1126 update_screen(VALID); | |
| 1127 return err; | |
| 1128 } | |
| 1129 | |
| 1130 static int | |
|
7823
bcef391c101c
commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
Christian Brabandt <cb@256bit.org>
parents:
7776
diff
changeset
|
1131 optioncmd( |
|
bcef391c101c
commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
Christian Brabandt <cb@256bit.org>
parents:
7776
diff
changeset
|
1132 ClientData dummy UNUSED, |
|
bcef391c101c
commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
Christian Brabandt <cb@256bit.org>
parents:
7776
diff
changeset
|
1133 Tcl_Interp *interp, |
|
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1134 int objc, |
|
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|
1135 Tcl_Obj *CONST objv[]) |
| 7 | 1136 { |
| 1137 int err; | |
| 1138 | |
| 1139 err = tclsetoption(interp, objc, objv, 1); | |
| 1140 update_screen(VALID); | |
| 1141 return err; | |
| 1142 } | |
| 1143 | |
| 1144 static int | |
|
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1145 exprcmd( |
|
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1146 ClientData dummy UNUSED, |
|
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1147 Tcl_Interp *interp, |
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1148 int objc, |
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|
1149 Tcl_Obj *CONST objv[]) |
| 7 | 1150 { |
| 1151 return tclvimexpr(interp, objc, objv, 1); | |
| 1152 } | |
| 1153 | |
|
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1154 ///////////////////////////////////////////////////////////////////////////// |
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1155 // Support functions for Tcl commands |
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1156 //////////////////////////////////////////////////////////////////////////// |
| 7 | 1157 |
| 1158 /* | |
| 1159 * Get a line number from 'obj' and convert it to vim's range. | |
| 1160 */ | |
| 1161 static int | |
|
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1162 tclgetlinenum( |
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1163 Tcl_Interp *interp, |
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1164 Tcl_Obj *obj, |
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1165 int *valueP, |
|
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1166 buf_T *buf) |
| 7 | 1167 { |
| 1168 int err, i; | |
| 1169 | |
| 1170 enum { LN_BEGIN, LN_BOTTOM, LN_END, LN_FIRST, LN_LAST, LN_START, LN_TOP }; | |
| 1171 | |
| 135 | 1172 static CONST84 char *keyw[] = |
| 7 | 1173 { |
| 1174 "begin", "bottom", "end", "first", "last", "start", "top", (char *)0 | |
| 1175 }; | |
| 1176 | |
| 1177 err = Tcl_GetIndexFromObj(interp, obj, keyw, "", 0, &i); | |
| 1178 if (err == TCL_OK) | |
| 1179 { | |
| 1180 switch (i) | |
| 1181 { | |
| 1182 case LN_BEGIN: | |
| 1183 case LN_FIRST: | |
| 1184 case LN_START: | |
| 1185 case LN_TOP: | |
| 1186 *valueP = 1; | |
| 1187 break; | |
| 1188 case LN_BOTTOM: | |
| 1189 case LN_END: | |
| 1190 case LN_LAST: | |
| 1191 *valueP = buf->b_ml.ml_line_count; | |
| 1192 break; | |
| 1193 } | |
| 1194 return TCL_OK; | |
| 1195 } | |
| 1196 Tcl_ResetResult(interp); | |
| 1197 | |
| 1198 err = Tcl_GetIntFromObj(interp, obj, &i); | |
| 1199 if (err != TCL_OK) | |
| 1200 return err; | |
| 1201 i = row2vim(i); | |
| 1202 if (i < 1 || i > buf->b_ml.ml_line_count) | |
| 1203 { | |
| 1204 Tcl_SetResult(interp, _("line number out of range"), TCL_STATIC); | |
| 1205 return TCL_ERROR; | |
| 1206 } | |
| 1207 *valueP = i; | |
| 1208 return TCL_OK; | |
| 1209 } | |
| 1210 | |
| 1211 /* | |
| 1212 * Find the first window in the window list that displays the buffer. | |
| 1213 */ | |
| 1214 static win_T * | |
|
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1215 tclfindwin(buf_T *buf) |
| 7 | 1216 { |
| 1217 win_T *win; | |
| 1218 | |
| 1219 FOR_ALL_WINDOWS(win) | |
| 1220 { | |
| 1221 if (win->w_buffer == buf) | |
| 1222 return win; | |
| 1223 } | |
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1224 return curwin; // keep current window context |
| 7 | 1225 } |
| 1226 | |
| 1227 /* | |
| 1228 * Do-it-all function for "::vim::command", "$buf command" and "$win command". | |
| 1229 */ | |
| 1230 static int | |
|
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1231 tcldoexcommand( |
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1232 Tcl_Interp *interp, |
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1233 int objc, |
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1234 Tcl_Obj *CONST objv[], |
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1235 int objn) |
| 7 | 1236 { |
| 1237 tcl_info saveinfo; | |
| 1238 int err, flag, nobjs; | |
| 1239 char *arg; | |
| 1240 | |
| 1241 nobjs = objc - objn; | |
| 1242 if (nobjs < 1 || nobjs > 2) | |
| 1243 { | |
| 1244 Tcl_WrongNumArgs(interp, objn, objv, "?-quiet? exCommand"); | |
| 1245 return TCL_ERROR; | |
| 1246 } | |
| 1247 | |
| 1248 flag = 0; | |
| 1249 if (nobjs == 2) | |
| 1250 { | |
| 1251 arg = Tcl_GetStringFromObj(objv[objn], NULL); | |
| 1252 if (strcmp(arg, "-quiet") == 0) | |
| 1253 flag = 1; | |
| 1254 else | |
| 1255 { | |
| 1256 Tcl_ResetResult(interp); | |
| 1257 Tcl_AppendResult(interp, _("unknown flag: "), arg, (char *)0); | |
| 1258 return TCL_ERROR; | |
| 1259 } | |
| 1260 ++objn; | |
| 1261 } | |
| 1262 | |
| 1263 memcpy(&saveinfo, &tclinfo, sizeof(tcl_info)); | |
| 1264 tclinfo.interp = NULL; | |
| 1265 tclinfo.curwin = NULL; | |
| 1266 tclinfo.curbuf = NULL; | |
| 1267 | |
| 1268 arg = Tcl_GetStringFromObj(objv[objn], NULL); | |
| 1269 if (flag) | |
| 1270 ++emsg_off; | |
| 1271 do_cmdline_cmd((char_u *)arg); | |
| 1272 if (flag) | |
| 1273 --emsg_off; | |
| 1274 err = vimerror(interp); | |
| 1275 | |
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1276 // If the ex command created a new Tcl interpreter, remove it |
| 7 | 1277 if (tclinfo.interp) |
| 1278 tcldelthisinterp(); | |
| 1279 memcpy(&tclinfo, &saveinfo, sizeof(tcl_info)); | |
| 1280 tclupdatevars(); | |
| 1281 | |
| 1282 return err; | |
| 1283 } | |
| 1284 | |
| 1285 /* | |
| 1286 * Do-it-all function for "::vim::option", "$buf option" and "$win option". | |
| 1287 */ | |
| 1288 static int | |
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1289 tclsetoption( |
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1290 Tcl_Interp *interp, |
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1291 int objc, |
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1292 Tcl_Obj *CONST objv[], |
|
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1293 int objn) |
| 7 | 1294 { |
| 1295 int err, nobjs, idx; | |
| 1296 char_u *option; | |
|
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1297 getoption_T gov; |
| 7 | 1298 long lval; |
| 1299 char_u *sval; | |
| 1300 Tcl_Obj *resobj; | |
| 1301 | |
| 1302 enum { OPT_OFF, OPT_ON, OPT_TOGGLE }; | |
| 135 | 1303 static CONST84 char *optkw[] = { "off", "on", "toggle", (char *)0 }; |
| 7 | 1304 |
| 1305 nobjs = objc - objn; | |
| 1306 if (nobjs != 1 && nobjs != 2) | |
| 1307 { | |
| 1308 Tcl_WrongNumArgs(interp, objn, objv, "vimOption ?value?"); | |
| 1309 return TCL_ERROR; | |
| 1310 } | |
| 1311 | |
| 1312 option = (char_u *)Tcl_GetStringFromObj(objv[objn], NULL); | |
| 1313 ++objn; | |
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1314 gov = get_option_value(option, &lval, &sval, NULL, 0); |
| 7 | 1315 err = TCL_OK; |
|
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1316 switch (gov) |
| 7 | 1317 { |
|
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1318 case gov_string: |
| 7 | 1319 Tcl_SetResult(interp, (char *)sval, TCL_VOLATILE); |
| 1320 vim_free(sval); | |
| 1321 break; | |
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1322 case gov_bool: |
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1323 case gov_number: |
| 7 | 1324 resobj = Tcl_NewLongObj(lval); |
| 1325 Tcl_SetObjResult(interp, resobj); | |
| 1326 break; | |
| 1327 default: | |
| 1328 Tcl_SetResult(interp, _("unknown vimOption"), TCL_STATIC); | |
| 1329 return TCL_ERROR; | |
| 1330 } | |
| 1331 if (nobjs == 2) | |
| 1332 { | |
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1333 if (gov != gov_string) |
| 7 | 1334 { |
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1335 sval = NULL; // avoid compiler warning |
| 7 | 1336 err = Tcl_GetIndexFromObj(interp, objv[objn], optkw, "", 0, &idx); |
| 1337 if (err != TCL_OK) | |
| 1338 { | |
| 1339 Tcl_ResetResult(interp); | |
| 1340 err = Tcl_GetLongFromObj(interp, objv[objn], &lval); | |
| 1341 } | |
| 1342 else | |
| 1343 { | |
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1344 switch (idx) |
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1345 { |
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1346 case OPT_ON: |
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1347 lval = 1; |
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1348 break; |
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1349 case OPT_OFF: |
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1350 lval = 0; |
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1351 break; |
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1352 case OPT_TOGGLE: |
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1353 lval = !lval; |
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1354 break; |
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1355 } |
| 7 | 1356 } |
| 1357 } | |
| 1358 else | |
| 1359 sval = (char_u *)Tcl_GetStringFromObj(objv[objn], NULL); | |
| 1360 if (err == TCL_OK) | |
| 1361 { | |
| 1362 set_option_value(option, lval, sval, OPT_LOCAL); | |
| 1363 err = vimerror(interp); | |
| 1364 } | |
| 1365 } | |
| 1366 return err; | |
| 1367 } | |
| 1368 | |
| 1369 /* | |
| 1370 * Do-it-all function for "::vim::expr", "$buf expr" and "$win expr". | |
| 1371 */ | |
| 1372 static int | |
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1373 tclvimexpr( |
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1374 Tcl_Interp *interp, |
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1375 int objc, |
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1376 Tcl_Obj *CONST objv[], |
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1377 int objn) |
| 7 | 1378 { |
| 1379 #ifdef FEAT_EVAL | |
| 1380 char *expr, *str; | |
| 1381 #endif | |
| 1382 int err; | |
| 1383 | |
| 1384 if (objc - objn != 1) | |
| 1385 { | |
| 1386 Tcl_WrongNumArgs(interp, objn, objv, "vimExpr"); | |
| 1387 return TCL_ERROR; | |
| 1388 } | |
| 1389 | |
| 1390 #ifdef FEAT_EVAL | |
| 1391 expr = Tcl_GetStringFromObj(objv[objn], NULL); | |
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1392 str = (char *)eval_to_string((char_u *)expr, TRUE); |
| 7 | 1393 if (str == NULL) |
| 1394 Tcl_SetResult(interp, _("invalid expression"), TCL_STATIC); | |
| 1395 else | |
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1396 { |
| 7 | 1397 Tcl_SetResult(interp, str, TCL_VOLATILE); |
|
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1398 vim_free(str); |
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1399 } |
| 7 | 1400 err = vimerror(interp); |
| 1401 #else | |
| 1402 Tcl_SetResult(interp, _("expressions disabled at compile time"), TCL_STATIC); | |
| 1403 err = TCL_ERROR; | |
| 1404 #endif | |
| 1405 | |
| 1406 return err; | |
| 1407 } | |
| 1408 | |
| 1409 /* | |
| 1410 * Check for internal vim errors. | |
| 1411 */ | |
| 1412 static int | |
|
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1413 vimerror(Tcl_Interp *interp) |
| 7 | 1414 { |
| 1415 if (got_int) | |
| 1416 { | |
| 1417 Tcl_SetResult(interp, _("keyboard interrupt"), TCL_STATIC); | |
| 1418 return TCL_ERROR; | |
| 1419 } | |
| 1420 else if (did_emsg) | |
| 1421 { | |
|
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1422 Tcl_SetResult(interp, _("Vim error"), TCL_STATIC); |
| 7 | 1423 return TCL_ERROR; |
| 1424 } | |
| 1425 return TCL_OK; | |
| 1426 } | |
| 1427 | |
| 1428 /* | |
| 1429 * Functions that handle the reference lists: | |
| 1430 * delref() - callback for Tcl's DeleteCommand | |
| 1431 * tclgetref() - find/create Tcl command for a win_T* or buf_T* object | |
| 1432 * tclgetwindow() - window frontend for tclgetref() | |
| 1433 * tclgetbuffer() - buffer frontend for tclgetref() | |
| 1434 * tclsetdelcmd() - add Tcl callback command to a vim object | |
| 1435 */ | |
| 1436 static void | |
|
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1437 delref(ClientData cref) |
| 7 | 1438 { |
| 1439 struct ref *ref = (struct ref *)cref; | |
| 1440 | |
| 1441 if (ref->delcmd) | |
| 1442 { | |
| 1443 Tcl_DecrRefCount(ref->delcmd); | |
| 1444 ref->delcmd = NULL; | |
| 1445 } | |
| 1446 ref->interp = NULL; | |
| 1447 } | |
| 1448 | |
| 1449 static char * | |
|
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1450 tclgetref( |
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1451 Tcl_Interp *interp, |
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1452 void **refstartP, // ptr to w_tcl_ref/b_tcl-ref member of |
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1453 // win_T/buf_T struct |
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1454 char *prefix, // "win" or "buf" |
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1455 void *vimobj, // win_T* or buf_T* |
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1456 Tcl_ObjCmdProc *proc) // winselfcmd or bufselfcmd |
| 7 | 1457 { |
| 1458 struct ref *ref, *unused = NULL; | |
| 1459 static char name[VARNAME_SIZE]; | |
| 1460 Tcl_Command cmd; | |
| 1461 | |
| 1462 ref = (struct ref *)(*refstartP); | |
| 1463 if (ref == &refsdeleted) | |
| 1464 { | |
| 1465 Tcl_SetResult(interp, _("cannot create buffer/window command: object is being deleted"), TCL_STATIC); | |
| 1466 return NULL; | |
| 1467 } | |
| 1468 | |
| 1469 while (ref != NULL) | |
| 1470 { | |
| 1471 if (ref->interp == interp) | |
| 1472 break; | |
| 1473 if (ref->interp == NULL) | |
| 1474 unused = ref; | |
| 1475 ref = ref->next; | |
| 1476 } | |
| 1477 | |
| 1478 if (ref) | |
| 274 | 1479 vim_snprintf(name, sizeof(name), "::vim::%s", |
| 1480 Tcl_GetCommandName(interp, ref->cmd)); | |
| 7 | 1481 else |
| 1482 { | |
| 1483 if (unused) | |
| 1484 ref = unused; | |
| 1485 else | |
| 1486 { | |
| 1487 ref = (struct ref *)Tcl_Alloc(sizeof(struct ref)); | |
| 1488 ref->interp = NULL; | |
| 1489 ref->next = (struct ref *)(*refstartP); | |
| 1490 (*refstartP) = (void *)ref; | |
| 1491 } | |
| 1492 | |
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1493 // This might break on some exotic systems... |
| 274 | 1494 vim_snprintf(name, sizeof(name), "::vim::%s_%lx", |
| 1495 prefix, (unsigned long)vimobj); | |
| 7 | 1496 cmd = Tcl_CreateObjCommand(interp, name, proc, |
| 1497 (ClientData)ref, (Tcl_CmdDeleteProc *)delref); | |
| 1498 if (!cmd) | |
| 1499 return NULL; | |
| 1500 | |
| 1501 ref->interp = interp; | |
| 1502 ref->cmd = cmd; | |
| 1503 ref->delcmd = NULL; | |
| 1504 ref->vimobj = vimobj; | |
| 1505 } | |
| 1506 return name; | |
| 1507 } | |
| 1508 | |
| 1509 static char * | |
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1510 tclgetwindow(Tcl_Interp *interp, win_T *win) |
| 7 | 1511 { |
| 502 | 1512 return tclgetref(interp, &(win->w_tcl_ref), "win", (void *)win, winselfcmd); |
| 7 | 1513 } |
| 1514 | |
| 1515 static char * | |
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1516 tclgetbuffer(Tcl_Interp *interp, buf_T *buf) |
| 7 | 1517 { |
| 502 | 1518 return tclgetref(interp, &(buf->b_tcl_ref), "buf", (void *)buf, bufselfcmd); |
| 7 | 1519 } |
| 1520 | |
| 1521 static int | |
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1522 tclsetdelcmd( |
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1523 Tcl_Interp *interp, |
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1524 struct ref *reflist, |
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1525 void *vimobj, |
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1526 Tcl_Obj *delcmd) |
| 7 | 1527 { |
| 1528 if (reflist == &refsdeleted) | |
| 1529 { | |
| 1530 Tcl_SetResult(interp, _("cannot register callback command: buffer/window is already being deleted"), TCL_STATIC); | |
| 1531 return TCL_ERROR; | |
| 1532 } | |
| 1533 | |
| 1534 while (reflist != NULL) | |
| 1535 { | |
| 1536 if (reflist->interp == interp && reflist->vimobj == vimobj) | |
| 1537 { | |
| 1538 if (reflist->delcmd) | |
| 1539 Tcl_DecrRefCount(reflist->delcmd); | |
| 1540 Tcl_IncrRefCount(delcmd); | |
| 1541 reflist->delcmd = delcmd; | |
| 1542 return TCL_OK; | |
| 1543 } | |
| 1544 reflist = reflist->next; | |
| 1545 } | |
|
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1546 // This should never happen. Famous last word? |
|
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1547 iemsg(_(e_tcl_fatal_error_reflist_corrupt_please_report_this)); |
| 7 | 1548 Tcl_SetResult(interp, _("cannot register callback command: buffer/window reference not found"), TCL_STATIC); |
| 1549 return TCL_ERROR; | |
| 1550 } | |
| 1551 | |
| 1552 | |
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1553 //////////////////////////////////////////// |
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1554 // I/O Channel |
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1555 //////////////////////////////////////////// |
| 7 | 1556 |
| 1557 static int | |
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1558 tcl_channel_close(ClientData instance, Tcl_Interp *interp UNUSED) |
| 7 | 1559 { |
| 1560 int err = 0; | |
| 1561 | |
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1562 // currently does nothing |
| 7 | 1563 |
| 1564 if (instance != VIMOUT && instance != VIMERR) | |
| 1565 { | |
| 1566 Tcl_SetErrno(EBADF); | |
| 1567 err = EBADF; | |
| 1568 } | |
| 1569 return err; | |
| 1570 } | |
| 1571 | |
| 1572 static int | |
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1573 tcl_channel_input( |
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1574 ClientData instance UNUSED, |
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1575 char *buf UNUSED, |
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1576 int bufsiz UNUSED, |
|
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|
1577 int *errptr) |
| 7 | 1578 { |
| 1579 | |
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|
1580 // input is currently not supported |
| 7 | 1581 |
| 1582 Tcl_SetErrno(EINVAL); | |
| 1583 if (errptr) | |
| 1584 *errptr = EINVAL; | |
| 1585 return -1; | |
| 1586 } | |
| 1587 | |
| 1588 static int | |
|
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1589 tcl_channel_output( |
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1590 ClientData instance, |
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1591 const char *buf, |
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1592 int bufsiz, |
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|
1593 int *errptr) |
| 7 | 1594 { |
| 1595 char_u *str; | |
| 1596 int result; | |
| 1597 | |
|
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1598 // The buffer is not guaranteed to be 0-terminated, and we don't if |
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1599 // there is enough room to add a '\0'. So we have to create a copy |
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|
1600 // of the buffer... |
| 7 | 1601 str = vim_strnsave((char_u *)buf, bufsiz); |
| 1602 if (!str) | |
| 1603 { | |
| 1604 Tcl_SetErrno(ENOMEM); | |
| 1605 if (errptr) | |
| 1606 *errptr = ENOMEM; | |
| 1607 return -1; | |
| 1608 } | |
| 1609 | |
| 1610 result = bufsiz; | |
| 1611 if (instance == VIMOUT) | |
| 1612 tclmsg((char *)str); | |
| 1613 else | |
| 1614 if (instance == VIMERR) | |
| 1615 tclerrmsg((char *)str); | |
| 1616 else | |
| 1617 { | |
| 1618 Tcl_SetErrno(EBADF); | |
| 1619 if (errptr) | |
| 1620 *errptr = EBADF; | |
| 1621 result = -1; | |
| 1622 } | |
| 1623 vim_free(str); | |
| 1624 return result; | |
| 1625 } | |
| 1626 | |
| 1627 static void | |
|
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|
1628 tcl_channel_watch(ClientData instance UNUSED, int mask UNUSED) |
| 7 | 1629 { |
| 1630 Tcl_SetErrno(EINVAL); | |
| 1631 } | |
| 1632 | |
| 1633 static int | |
|
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|
1634 tcl_channel_gethandle( |
|
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|
1635 ClientData instance UNUSED, |
|
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|
1636 int direction UNUSED, |
|
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|
1637 ClientData *handleptr UNUSED) |
| 7 | 1638 { |
| 1639 Tcl_SetErrno(EINVAL); | |
| 1640 return EINVAL; | |
| 1641 } | |
| 1642 | |
| 1643 | |
|
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|
1644 static Tcl_ChannelType tcl_channel_type = |
| 7 | 1645 { |
|
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|
1646 "vimmessage", // typeName |
|
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|
1647 TCL_CHANNEL_VERSION_2, // version |
|
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|
1648 tcl_channel_close, // closeProc |
|
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|
1649 tcl_channel_input, // inputProc |
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|
1650 tcl_channel_output, // outputProc |
|
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|
1651 NULL, // seekProc |
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|
1652 NULL, // setOptionProc |
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|
1653 NULL, // getOptionProc |
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|
1654 tcl_channel_watch, // watchProc |
|
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|
1655 tcl_channel_gethandle, // getHandleProc |
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|
1656 NULL, // close2Proc |
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1657 NULL, // blockModeProc |
| 1890 | 1658 #ifdef TCL_CHANNEL_VERSION_2 |
|
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1659 NULL, // flushProc |
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1660 NULL, // handlerProc |
| 1890 | 1661 #endif |
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1662 // The following should not be necessary since TCL_CHANNEL_VERSION_2 was |
|
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|
1663 // set above |
| 1890 | 1664 #ifdef TCL_CHANNEL_VERSION_3 |
|
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1665 NULL, // wideSeekProc |
| 1890 | 1666 #endif |
| 1667 #ifdef TCL_CHANNEL_VERSION_4 | |
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1668 NULL, // threadActionProc |
| 1890 | 1669 #endif |
| 1670 #ifdef TCL_CHANNEL_VERSION_5 | |
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1671 NULL // truncateProc |
| 1890 | 1672 #endif |
| 7 | 1673 }; |
| 1674 | |
|
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1675 /////////////////////////////////// |
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|
1676 // Interface to vim |
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1677 ////////////////////////////////// |
| 7 | 1678 |
| 1679 static void | |
|
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1680 tclupdatevars(void) |
| 7 | 1681 { |
|
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|
1682 char varname[VARNAME_SIZE]; // must be writeable |
| 7 | 1683 char *name; |
| 1684 | |
| 1685 strcpy(varname, VAR_RANGE1); | |
| 1686 Tcl_UpdateLinkedVar(tclinfo.interp, varname); | |
| 1687 strcpy(varname, VAR_RANGE2); | |
| 1688 Tcl_UpdateLinkedVar(tclinfo.interp, varname); | |
| 1689 strcpy(varname, VAR_RANGE3); | |
| 1690 Tcl_UpdateLinkedVar(tclinfo.interp, varname); | |
| 1691 | |
| 1692 strcpy(varname, VAR_LBASE); | |
| 1693 Tcl_UpdateLinkedVar(tclinfo.interp, varname); | |
| 1694 | |
| 1695 name = tclgetbuffer(tclinfo.interp, curbuf); | |
| 1696 strcpy(tclinfo.curbuf, name); | |
| 1697 strcpy(varname, VAR_CURBUF); | |
| 1698 Tcl_UpdateLinkedVar(tclinfo.interp, varname); | |
| 1699 | |
| 1700 name = tclgetwindow(tclinfo.interp, curwin); | |
| 1701 strcpy(tclinfo.curwin, name); | |
| 1702 strcpy(varname, VAR_CURWIN); | |
| 1703 Tcl_UpdateLinkedVar(tclinfo.interp, varname); | |
| 1704 } | |
| 1705 | |
| 1706 | |
| 1707 static int | |
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1708 tclinit(exarg_T *eap) |
| 7 | 1709 { |
|
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1710 char varname[VARNAME_SIZE]; // Tcl_LinkVar requires writeable varname |
| 7 | 1711 char *name; |
| 1712 | |
| 1713 #ifdef DYNAMIC_TCL | |
| 1714 if (!tcl_enabled(TRUE)) | |
| 1715 { | |
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1716 emsg(_(e_sorry_this_command_is_disabled_tcl_library_could_not_be_loaded)); |
| 7 | 1717 return FAIL; |
| 1718 } | |
| 1719 #endif | |
| 1720 | |
| 1721 if (!tclinfo.interp) | |
| 1722 { | |
| 1723 Tcl_Interp *interp; | |
| 1724 static Tcl_Channel ch1, ch2; | |
| 1725 | |
|
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1726 // Create replacement channels for stdout and stderr; this has to be |
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1727 // done each time an interpreter is created since the channels are closed |
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1728 // when the interpreter is deleted |
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1729 ch1 = Tcl_CreateChannel(&tcl_channel_type, "vimout", VIMOUT, TCL_WRITABLE); |
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1730 ch2 = Tcl_CreateChannel(&tcl_channel_type, "vimerr", VIMERR, TCL_WRITABLE); |
| 7 | 1731 Tcl_SetStdChannel(ch1, TCL_STDOUT); |
| 1732 Tcl_SetStdChannel(ch2, TCL_STDERR); | |
| 1733 | |
| 1734 interp = Tcl_CreateInterp(); | |
| 1735 Tcl_Preserve(interp); | |
| 1736 if (Tcl_Init(interp) == TCL_ERROR) | |
| 1737 { | |
| 1738 Tcl_Release(interp); | |
| 1739 Tcl_DeleteInterp(interp); | |
| 1740 return FAIL; | |
| 1741 } | |
| 1742 #if 0 | |
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1743 // VIM sure is interactive |
| 7 | 1744 Tcl_SetVar(interp, "tcl_interactive", "1", TCL_GLOBAL_ONLY); |
| 1745 #endif | |
| 1746 | |
| 1747 Tcl_SetChannelOption(interp, ch1, "-buffering", "line"); | |
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1748 #ifdef MSWIN |
| 3369 | 1749 Tcl_SetChannelOption(interp, ch1, "-translation", "lf"); |
| 1750 #endif | |
| 7 | 1751 Tcl_SetChannelOption(interp, ch2, "-buffering", "line"); |
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1752 #ifdef MSWIN |
| 3369 | 1753 Tcl_SetChannelOption(interp, ch2, "-translation", "lf"); |
| 1754 #endif | |
| 7 | 1755 |
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1756 // replace standard Tcl exit command |
| 7 | 1757 Tcl_DeleteCommand(interp, "exit"); |
| 1758 Tcl_CreateObjCommand(interp, "exit", exitcmd, | |
| 1759 (ClientData)NULL, (Tcl_CmdDeleteProc *)NULL); | |
| 1760 | |
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1761 // new commands, in ::vim namespace |
| 7 | 1762 Tcl_CreateObjCommand(interp, "::vim::buffer", buffercmd, |
| 1763 (ClientData)NULL, (Tcl_CmdDeleteProc *)NULL); | |
| 1764 Tcl_CreateObjCommand(interp, "::vim::window", windowcmd, | |
| 1765 (ClientData)NULL, (Tcl_CmdDeleteProc *)NULL); | |
| 1766 Tcl_CreateObjCommand(interp, "::vim::command", commandcmd, | |
| 1767 (ClientData)NULL, (Tcl_CmdDeleteProc *)NULL); | |
| 1768 Tcl_CreateObjCommand(interp, "::vim::beep", beepcmd, | |
| 1769 (ClientData)NULL, (Tcl_CmdDeleteProc *)NULL); | |
| 1770 Tcl_CreateObjCommand(interp, "::vim::option", optioncmd, | |
| 1771 (ClientData)NULL, (Tcl_CmdDeleteProc *)NULL); | |
| 1772 Tcl_CreateObjCommand(interp, "::vim::expr", exprcmd, | |
| 1773 (ClientData)NULL, (Tcl_CmdDeleteProc *)NULL); | |
| 1774 | |
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1775 // "lbase" variable |
| 7 | 1776 tclinfo.lbase = 1; |
| 1777 strcpy(varname, VAR_LBASE); | |
| 1778 Tcl_LinkVar(interp, varname, (char *)&tclinfo.lbase, TCL_LINK_INT); | |
| 1779 | |
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1780 // "range" variable |
| 7 | 1781 tclinfo.range_start = eap->line1; |
| 1782 strcpy(varname, VAR_RANGE1); | |
| 1783 Tcl_LinkVar(interp, varname, (char *)&tclinfo.range_start, TCL_LINK_INT|TCL_LINK_READ_ONLY); | |
| 1784 strcpy(varname, VAR_RANGE2); | |
| 1785 Tcl_LinkVar(interp, varname, (char *)&tclinfo.range_start, TCL_LINK_INT|TCL_LINK_READ_ONLY); | |
| 1786 tclinfo.range_end = eap->line2; | |
| 1787 strcpy(varname, VAR_RANGE3); | |
| 1788 Tcl_LinkVar(interp, varname, (char *)&tclinfo.range_end, TCL_LINK_INT|TCL_LINK_READ_ONLY); | |
| 1789 | |
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1790 // "current" variable |
| 7 | 1791 tclinfo.curbuf = Tcl_Alloc(VARNAME_SIZE); |
| 1792 tclinfo.curwin = Tcl_Alloc(VARNAME_SIZE); | |
| 1793 name = tclgetbuffer(interp, curbuf); | |
| 1794 strcpy(tclinfo.curbuf, name); | |
| 1795 strcpy(varname, VAR_CURBUF); | |
| 1796 Tcl_LinkVar(interp, varname, (char *)&tclinfo.curbuf, TCL_LINK_STRING|TCL_LINK_READ_ONLY); | |
| 1797 name = tclgetwindow(interp, curwin); | |
| 1798 strcpy(tclinfo.curwin, name); | |
| 1799 strcpy(varname, VAR_CURWIN); | |
| 1800 Tcl_LinkVar(interp, varname, (char *)&tclinfo.curwin, TCL_LINK_STRING|TCL_LINK_READ_ONLY); | |
| 1801 | |
| 1802 tclinfo.interp = interp; | |
| 1803 } | |
| 1804 else | |
| 1805 { | |
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1806 // Interpreter already exists, just update variables |
| 7 | 1807 tclinfo.range_start = row2tcl(eap->line1); |
| 1808 tclinfo.range_end = row2tcl(eap->line2); | |
| 1809 tclupdatevars(); | |
| 1810 } | |
| 3369 | 1811 |
| 1812 tclinfo.exitvalue = 0; | |
| 7 | 1813 return OK; |
| 1814 } | |
| 1815 | |
| 1816 static void | |
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1817 tclerrmsg(char *text) |
| 7 | 1818 { |
| 1819 char *next; | |
| 1820 | |
| 1821 while ((next=strchr(text, '\n'))) | |
| 1822 { | |
| 1823 *next++ = '\0'; | |
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1824 emsg(text); |
| 7 | 1825 text = next; |
| 1826 } | |
| 1827 if (*text) | |
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1828 emsg(text); |
| 7 | 1829 } |
| 1830 | |
| 1831 static void | |
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1832 tclmsg(char *text) |
| 7 | 1833 { |
| 1834 char *next; | |
| 1835 | |
| 1836 while ((next=strchr(text, '\n'))) | |
| 1837 { | |
| 1838 *next++ = '\0'; | |
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1839 msg(text); |
| 7 | 1840 text = next; |
| 1841 } | |
| 1842 if (*text) | |
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1843 msg(text); |
| 7 | 1844 } |
| 1845 | |
| 1846 static void | |
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1847 tcldelthisinterp(void) |
| 7 | 1848 { |
| 1849 if (!Tcl_InterpDeleted(tclinfo.interp)) | |
| 1850 Tcl_DeleteInterp(tclinfo.interp); | |
| 1851 Tcl_Release(tclinfo.interp); | |
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1852 // The interpreter is now gets deleted. All registered commands (esp. |
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1853 // window and buffer commands) are deleted, triggering their deletion |
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1854 // callback, which deletes all refs pointing to this interpreter. |
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1855 // We could garbage-collect the unused ref structs in all windows and |
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1856 // buffers, but unless the user creates hundreds of sub-interpreters |
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1857 // all referring to lots of windows and buffers, this is hardly worth |
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1858 // the effort. Unused refs are recycled by other interpreters, and |
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1859 // all refs are free'd when the window/buffer gets closed by vim. |
| 7 | 1860 |
| 1861 tclinfo.interp = NULL; | |
| 1862 Tcl_Free(tclinfo.curbuf); | |
| 1863 Tcl_Free(tclinfo.curwin); | |
| 1864 tclinfo.curbuf = tclinfo.curwin = NULL; | |
| 1865 } | |
| 1866 | |
| 1867 static int | |
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1868 tclexit(int error) |
| 7 | 1869 { |
| 1870 int newerr = OK; | |
| 1871 | |
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1872 if (Tcl_InterpDeleted(tclinfo.interp) // True if we intercepted Tcl's exit command |
| 3369 | 1873 #if (TCL_MAJOR_VERSION == 8 && TCL_MINOR_VERSION >= 5) || TCL_MAJOR_VERSION > 8 |
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1874 || Tcl_LimitExceeded(tclinfo.interp) // True if the interpreter cannot continue |
| 3369 | 1875 #endif |
| 1876 ) | |
| 7 | 1877 { |
| 274 | 1878 char buf[50]; |
| 7 | 1879 |
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1880 sprintf(buf, _(e_exit_code_nr), tclinfo.exitvalue); |
| 3369 | 1881 tclerrmsg(buf); |
| 1882 if (tclinfo.exitvalue == 0) | |
| 7 | 1883 { |
| 3369 | 1884 did_emsg = 0; |
| 1885 newerr = OK; | |
| 7 | 1886 } |
| 1887 else | |
| 3369 | 1888 newerr = FAIL; |
| 7 | 1889 |
| 1890 tcldelthisinterp(); | |
| 1891 } | |
| 1892 else | |
| 1893 { | |
| 1894 char *result; | |
| 1895 | |
| 135 | 1896 result = (char *)Tcl_GetStringResult(tclinfo.interp); |
| 7 | 1897 if (error == TCL_OK) |
| 1898 { | |
| 1899 tclmsg(result); | |
| 1900 newerr = OK; | |
| 1901 } | |
| 1902 else | |
| 1903 { | |
| 1904 tclerrmsg(result); | |
| 1905 newerr = FAIL; | |
| 1906 } | |
| 1907 } | |
| 1908 | |
| 1909 return newerr; | |
| 1910 } | |
| 1911 | |
| 1912 /* | |
| 1913 * ":tcl" | |
| 1914 */ | |
| 1915 void | |
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1916 ex_tcl(exarg_T *eap) |
| 7 | 1917 { |
| 1918 char_u *script; | |
| 1919 int err; | |
| 1920 | |
| 1921 script = script_get(eap, eap->arg); | |
| 1922 if (!eap->skip) | |
| 1923 { | |
| 1924 err = tclinit(eap); | |
| 1925 if (err == OK) | |
| 1926 { | |
| 1927 Tcl_AllowExceptions(tclinfo.interp); | |
| 1928 if (script == NULL) | |
| 1929 err = Tcl_Eval(tclinfo.interp, (char *)eap->arg); | |
| 1930 else | |
| 1931 err = Tcl_Eval(tclinfo.interp, (char *)script); | |
| 1932 err = tclexit(err); | |
| 1933 } | |
| 1934 } | |
| 1935 vim_free(script); | |
| 1936 } | |
| 1937 | |
| 1938 /* | |
| 1939 * ":tclfile" | |
| 1940 */ | |
| 1941 void | |
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1942 ex_tclfile(exarg_T *eap) |
| 7 | 1943 { |
| 1944 char *file = (char *)eap->arg; | |
| 1945 int err; | |
| 1946 | |
| 1947 err = tclinit(eap); | |
| 1948 if (err == OK) | |
| 1949 { | |
| 1950 Tcl_AllowExceptions(tclinfo.interp); | |
| 1951 err = Tcl_EvalFile(tclinfo.interp, file); | |
| 1952 err = tclexit(err); | |
| 1953 } | |
| 1954 } | |
| 1955 | |
| 1956 /* | |
| 1957 * ":tcldo" | |
| 1958 */ | |
| 1959 void | |
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1960 ex_tcldo(exarg_T *eap) |
| 7 | 1961 { |
| 1962 char *script, *line; | |
| 1963 int err, rs, re, lnum; | |
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1964 char var_lnum[VARNAME_SIZE]; // must be writeable memory |
| 7 | 1965 char var_line[VARNAME_SIZE]; |
| 1966 linenr_T first_line = 0; | |
| 1967 linenr_T last_line = 0; | |
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1968 buf_T *was_curbuf = curbuf; |
| 7 | 1969 |
| 1970 rs = eap->line1; | |
| 1971 re = eap->line2; | |
| 1972 script = (char *)eap->arg; | |
| 1973 strcpy(var_lnum, VAR_CURLNUM); | |
| 1974 strcpy(var_line, VAR_CURLINE); | |
| 1975 | |
| 1976 err = tclinit(eap); | |
| 1977 if (err != OK) | |
| 1978 return; | |
| 1979 | |
| 1980 lnum = row2tcl(rs); | |
| 1981 Tcl_LinkVar(tclinfo.interp, var_lnum, (char *)&lnum, TCL_LINK_INT|TCL_LINK_READ_ONLY); | |
| 1982 err = TCL_OK; | |
| 1983 if (u_save((linenr_T)(rs-1), (linenr_T)(re+1)) != OK) | |
| 1984 { | |
| 1985 Tcl_SetResult(tclinfo.interp, _("cannot save undo information"), TCL_STATIC); | |
| 1986 err = TCL_ERROR; | |
| 1987 } | |
| 1988 while (err == TCL_OK && rs <= re) | |
| 1989 { | |
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1990 if ((linenr_T)rs > curbuf->b_ml.ml_line_count) |
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1991 break; |
| 7 | 1992 line = (char *)ml_get_buf(curbuf, (linenr_T)rs, FALSE); |
| 1993 if (!line) | |
| 1994 { | |
| 1995 Tcl_SetResult(tclinfo.interp, _("cannot get line"), TCL_STATIC); | |
| 1996 err = TCL_ERROR; | |
| 1997 break; | |
| 1998 } | |
| 1999 Tcl_SetVar(tclinfo.interp, var_line, line, 0); | |
| 2000 Tcl_AllowExceptions(tclinfo.interp); | |
| 2001 err = Tcl_Eval(tclinfo.interp, script); | |
| 3369 | 2002 if (err != TCL_OK |
| 2003 || Tcl_InterpDeleted(tclinfo.interp) | |
| 2004 #if (TCL_MAJOR_VERSION == 8 && TCL_MINOR_VERSION >= 5) || TCL_MAJOR_VERSION > 8 | |
| 2005 || Tcl_LimitExceeded(tclinfo.interp) | |
| 2006 #endif | |
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2007 || curbuf != was_curbuf) |
| 7 | 2008 break; |
| 135 | 2009 line = (char *)Tcl_GetVar(tclinfo.interp, var_line, 0); |
| 7 | 2010 if (line) |
| 2011 { | |
| 2012 if (ml_replace((linenr_T)rs, (char_u *)line, TRUE) != OK) | |
| 2013 { | |
| 2014 Tcl_SetResult(tclinfo.interp, _("cannot replace line"), TCL_STATIC); | |
| 2015 err = TCL_ERROR; | |
| 2016 break; | |
| 2017 } | |
| 2018 if (first_line == 0) | |
| 2019 first_line = rs; | |
| 2020 last_line = rs; | |
| 2021 } | |
| 2022 ++rs; | |
| 2023 ++lnum; | |
| 2024 Tcl_UpdateLinkedVar(tclinfo.interp, var_lnum); | |
| 2025 } | |
| 2026 if (first_line) | |
| 2027 changed_lines(first_line, 0, last_line + 1, (long)0); | |
| 2028 | |
| 2029 Tcl_UnsetVar(tclinfo.interp, var_line, 0); | |
| 2030 Tcl_UnlinkVar(tclinfo.interp, var_lnum); | |
| 2031 if (err == TCL_OK) | |
| 2032 Tcl_ResetResult(tclinfo.interp); | |
| 2033 | |
| 2034 (void)tclexit(err); | |
| 2035 } | |
| 2036 | |
| 2037 static void | |
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2038 tcldelallrefs(struct ref *ref) |
| 7 | 2039 { |
| 2040 struct ref *next; | |
| 2041 int err; | |
| 2042 char *result; | |
| 2043 | |
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2044 #ifdef DYNAMIC_TCL |
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2045 // TODO: this code currently crashes Vim on exit |
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2046 if (exiting) |
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2047 return; |
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2048 #endif |
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2049 |
| 7 | 2050 while (ref != NULL) |
| 2051 { | |
| 2052 next = ref->next; | |
| 2053 if (ref->interp) | |
| 2054 { | |
| 2055 if (ref->delcmd) | |
| 2056 { | |
| 2057 err = Tcl_GlobalEvalObj(ref->interp, ref->delcmd); | |
| 2058 if (err != TCL_OK) | |
| 2059 { | |
| 135 | 2060 result = (char *)Tcl_GetStringResult(ref->interp); |
| 7 | 2061 if (result) |
| 2062 tclerrmsg(result); | |
| 2063 } | |
| 2064 Tcl_DecrRefCount(ref->delcmd); | |
| 2065 ref->delcmd = NULL; | |
| 2066 } | |
| 2067 Tcl_DeleteCommandFromToken(ref->interp, ref->cmd); | |
| 2068 } | |
| 2069 Tcl_Free((char *)ref); | |
| 2070 ref = next; | |
| 2071 } | |
| 2072 } | |
| 2073 | |
| 2074 void | |
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2075 tcl_buffer_free(buf_T *buf) |
| 7 | 2076 { |
| 2077 struct ref *reflist; | |
| 2078 | |
| 2079 #ifdef DYNAMIC_TCL | |
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2080 if (!stubs_initialized) // Not using Tcl, nothing to do. |
| 7 | 2081 return; |
| 2082 #endif | |
| 2083 | |
| 502 | 2084 reflist = (struct ref *)(buf->b_tcl_ref); |
| 7 | 2085 if (reflist != &refsdeleted) |
| 2086 { | |
| 502 | 2087 buf->b_tcl_ref = (void *)&refsdeleted; |
| 7 | 2088 tcldelallrefs(reflist); |
| 502 | 2089 buf->b_tcl_ref = NULL; |
| 7 | 2090 } |
| 2091 } | |
| 2092 | |
| 2093 void | |
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2094 tcl_window_free(win_T *win) |
| 7 | 2095 { |
| 2096 struct ref *reflist; | |
| 2097 | |
| 2098 #ifdef DYNAMIC_TCL | |
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2099 if (!stubs_initialized) // Not using Tcl, nothing to do. |
| 7 | 2100 return; |
| 2101 #endif | |
| 2102 | |
| 502 | 2103 reflist = (struct ref*)(win->w_tcl_ref); |
| 7 | 2104 if (reflist != &refsdeleted) |
| 2105 { | |
| 502 | 2106 win->w_tcl_ref = (void *)&refsdeleted; |
| 7 | 2107 tcldelallrefs(reflist); |
| 502 | 2108 win->w_tcl_ref = NULL; |
| 7 | 2109 } |
| 2110 } | |
| 2111 | |
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2112 // The End |