3 * Parser for command lines in the Wine debugger
5 * Copyright 1993 Eric Youngdale
6 * Copyright 1995 Morten Welinder
7 * Copyright 2000 Eric Pouech
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 #include "wine/port.h"
31 #include "wine/exception.h"
36 int yyerror(const char*);
42 struct dbg_lvalue lvalue;
45 IMAGEHLP_LINE listing;
46 struct expr* expression;
47 struct type_expr_t type;
50 %token tCONT tPASS tSTEP tLIST tNEXT tQUIT tHELP tBACKTRACE tALL tINFO tUP tDOWN
51 %token tENABLE tDISABLE tBREAK tWATCH tDELETE tSET tMODE tPRINT tEXAM tABORT tVM86
52 %token tCLASS tMAPS tSTACK tSEGMENTS tSYMBOL tREGS tWND tQUEUE tLOCAL tEXCEPTION
53 %token tPROCESS tTHREAD tMODREF tEOL tEOF
54 %token tFRAME tSHARE tCOND tDISPLAY tUNDISPLAY tDISASSEMBLE
55 %token tSTEPI tNEXTI tFINISH tSHOW tDIR tWHATIS tSOURCE
56 %token <string> tPATH tIDENTIFIER tSTRING tDEBUGSTR tINTVAR
57 %token <integer> tNUM tFORMAT
58 %token tSYMBOLFILE tRUN tATTACH tDETACH tNOPROCESS tMAINTENANCE tTYPE
60 %token tCHAR tSHORT tINT tLONG tFLOAT tDOUBLE tUNSIGNED tSIGNED
61 %token tSTRUCT tUNION tENUM
64 /* %left '=' OP_OR_EQUAL OP_XOR_EQUAL OP_AND_EQUAL OP_SHL_EQUAL \
65 OP_SHR_EQUAL OP_PLUS_EQUAL OP_MINUS_EQUAL \
66 OP_TIMES_EQUAL OP_DIVIDE_EQUAL OP_MODULO_EQUAL */
67 /* %left OP_COND */ /* ... ? ... : ... */
74 %left '<' '>' OP_LE OP_GE
78 %left OP_SIGN '!' '~' OP_DEREF /* OP_INC OP_DEC OP_ADDR */
82 %type <expression> expr lvalue
83 %type <lvalue> expr_lvalue lvalue_addr
84 %type <integer> expr_rvalue
85 %type <string> pathname identifier
86 %type <listing> list_arg
87 %type <type> type_expr
97 command tEOL { expr_free_all(); }
100 | error tEOL { yyerrok; expr_free_all(); }
105 | tHELP { print_help(); }
106 | tHELP tINFO { info_help(); }
107 | tPASS { dbg_wait_next_exception(DBG_EXCEPTION_NOT_HANDLED, 0, 0); }
108 | tCONT { dbg_wait_next_exception(DBG_CONTINUE, 1, dbg_exec_cont); }
109 | tCONT tNUM { dbg_wait_next_exception(DBG_CONTINUE, $2, dbg_exec_cont); }
110 | tSTEP { dbg_wait_next_exception(DBG_CONTINUE, 1, dbg_exec_step_into_line); }
111 | tSTEP tNUM { dbg_wait_next_exception(DBG_CONTINUE, $2, dbg_exec_step_into_line); }
112 | tNEXT { dbg_wait_next_exception(DBG_CONTINUE, 1, dbg_exec_step_over_line); }
113 | tNEXT tNUM { dbg_wait_next_exception(DBG_CONTINUE, $2, dbg_exec_step_over_line); }
114 | tSTEPI { dbg_wait_next_exception(DBG_CONTINUE, 1, dbg_exec_step_into_insn); }
115 | tSTEPI tNUM { dbg_wait_next_exception(DBG_CONTINUE, $2, dbg_exec_step_into_insn); }
116 | tNEXTI { dbg_wait_next_exception(DBG_CONTINUE, 1, dbg_exec_step_over_insn); }
117 | tNEXTI tNUM { dbg_wait_next_exception(DBG_CONTINUE, $2, dbg_exec_step_over_insn); }
118 | tFINISH { dbg_wait_next_exception(DBG_CONTINUE, 0, dbg_exec_finish); }
119 | tABORT { abort(); }
120 | tBACKTRACE { stack_backtrace(dbg_curr_tid, TRUE); }
121 | tBACKTRACE tNUM { stack_backtrace($2, TRUE); }
122 | tBACKTRACE tALL { stack_backtrace(-1, TRUE); }
123 | tUP { stack_set_frame(dbg_curr_frame + 1); }
124 | tUP tNUM { stack_set_frame(dbg_curr_frame + $2); }
125 | tDOWN { stack_set_frame(dbg_curr_frame - 1); }
126 | tDOWN tNUM { stack_set_frame(dbg_curr_frame - $2); }
127 | tFRAME tNUM { stack_set_frame($2); }
128 | tSHOW tDIR { source_show_path(); }
129 | tDIR pathname { source_add_path($2); }
130 | tDIR { source_nuke_path(); }
131 | tCOND tNUM { break_add_condition($2, NULL); }
132 | tCOND tNUM expr { break_add_condition($2, $3); }
133 | tSOURCE pathname { parser($2); }
134 | tSYMBOLFILE pathname { symbol_read_symtable($2, 0); }
135 | tSYMBOLFILE pathname expr_rvalue { symbol_read_symtable($2, $3); }
136 | tWHATIS expr_lvalue { types_print_type(&$2.type, FALSE); dbg_printf("\n"); }
137 | tATTACH tNUM { dbg_attach_debuggee($2, FALSE, TRUE); }
138 | tDETACH { dbg_detach_debuggee(); }
141 | disassemble_command
149 | maintenance_command
154 identifier { $$ = $1; }
159 tIDENTIFIER { $$ = $1; }
160 | tIDENTIFIER '!' tIDENTIFIER { char* ptr = HeapAlloc(GetProcessHeap(), 0, strlen($1) + 1 + strlen($3) + 1);
161 sprintf(ptr, "%s!%s", $1, $3); $$ = lexeme_alloc(ptr);
162 HeapFree(GetProcessHeap(), 0, ptr); }
163 | identifier ':' ':' tIDENTIFIER { char* ptr = HeapAlloc(GetProcessHeap(), 0, strlen($1) + 2 + strlen($4) + 1);
164 sprintf(ptr, "%s::%s", $1, $4); $$ = lexeme_alloc(ptr);
165 HeapFree(GetProcessHeap(), 0, ptr); }
169 tNUM { $$.FileName = NULL; $$.LineNumber = $1; }
170 | pathname ':' tNUM { $$.FileName = $1; $$.LineNumber = $3; }
171 | identifier { symbol_get_line(NULL, $1, &$$); }
172 | pathname ':' identifier { symbol_get_line($3, $1, &$$); }
173 | '*' expr_lvalue { $$.SizeOfStruct = sizeof($$);
174 SymGetLineFromAddr(dbg_curr_process->handle, (unsigned long)memory_to_linear_addr(& $2.addr), NULL, & $$); }
178 tRUN { dbg_run_debuggee(NULL); }
179 | tRUN tSTRING { dbg_run_debuggee($2); }
183 tLIST { source_list(NULL, NULL, 10); }
184 | tLIST '-' { source_list(NULL, NULL, -10); }
185 | tLIST list_arg { source_list(& $2, NULL, 10); }
186 | tLIST ',' list_arg { source_list(NULL, & $3, -10); }
187 | tLIST list_arg ',' list_arg { source_list(& $2, & $4, 0); }
191 tDISASSEMBLE { memory_disassemble(NULL, NULL, 10); }
192 | tDISASSEMBLE expr_lvalue { memory_disassemble(&$2, NULL, 10); }
193 | tDISASSEMBLE expr_lvalue ',' expr_lvalue { memory_disassemble(&$2, &$4, 0); }
197 tSET lvalue_addr '=' expr_rvalue { memory_write_value(&$2, sizeof(int), &$4); }
198 | tSET '+' tIDENTIFIER { info_wine_dbg_channel(TRUE, NULL, $3); }
199 | tSET '-' tIDENTIFIER { info_wine_dbg_channel(FALSE, NULL, $3); }
200 | tSET tIDENTIFIER '+' tIDENTIFIER { info_wine_dbg_channel(TRUE, $2, $4); }
201 | tSET tIDENTIFIER '-' tIDENTIFIER { info_wine_dbg_channel(FALSE, $2, $4); }
205 tEXAM expr_rvalue { memory_examine((void*)$2, 1, 'x'); }
206 | tEXAM tFORMAT expr_rvalue { memory_examine((void*)$3, $2 >> 8, $2 & 0xff); }
210 tPRINT expr_lvalue { print_value(&$2, 0, 0); }
211 | tPRINT tFORMAT expr_lvalue { if (($2 >> 8) == 1) print_value(&$3, $2 & 0xff, 0); else dbg_printf("Count is meaningless in print command\n"); }
215 tBREAK '*' expr_lvalue { break_add_break_from_lvalue(&$3); }
216 | tBREAK identifier { break_add_break_from_id($2, -1); }
217 | tBREAK identifier ':' tNUM { break_add_break_from_id($2, $4); }
218 | tBREAK tNUM { break_add_break_from_lineno($2); }
219 | tBREAK { break_add_break_from_lineno(-1); }
220 | tENABLE tNUM { break_enable_xpoint($2, TRUE); }
221 | tENABLE tBREAK tNUM { break_enable_xpoint($3, TRUE); }
222 | tDISABLE tNUM { break_enable_xpoint($2, FALSE); }
223 | tDISABLE tBREAK tNUM { break_enable_xpoint($3, FALSE); }
224 | tDELETE tNUM { break_delete_xpoint($2); }
225 | tDELETE tBREAK tNUM { break_delete_xpoint($3); }
229 tWATCH '*' expr_lvalue { break_add_watch(&$3, 1); }
230 | tWATCH identifier { break_add_watch_from_id($2); }
234 tDISPLAY { display_print(); }
235 | tDISPLAY expr { display_add($2, 1, 0, FALSE); }
236 | tDISPLAY tFORMAT expr { display_add($3, $2 >> 8, $2 & 0xff, FALSE); }
237 | tLOCAL tDISPLAY expr { display_add($3, 1, 0, TRUE); }
238 | tLOCAL tDISPLAY tFORMAT expr { display_add($4, $3 >> 8, $3 & 0xff, TRUE); }
239 | tENABLE tDISPLAY tNUM { display_enable($3, TRUE); }
240 | tDISABLE tDISPLAY tNUM { display_enable($3, FALSE); }
241 | tDELETE tDISPLAY tNUM { display_delete($3); }
242 | tDELETE tDISPLAY { display_delete(-1); }
243 | tUNDISPLAY tNUM { display_delete($2); }
244 | tUNDISPLAY { display_delete(-1); }
248 tINFO tBREAK { break_info(); }
249 | tINFO tSHARE { info_win32_module(0); }
250 | tINFO tSHARE expr_rvalue { info_win32_module($3); }
251 | tINFO tREGS { be_cpu->print_context(dbg_curr_thread->handle, &dbg_context); }
252 | tINFO tSEGMENTS expr_rvalue { info_win32_segments($3, 1); }
253 | tINFO tSEGMENTS { info_win32_segments(0, -1); }
254 | tINFO tSTACK { stack_info(); }
255 | tINFO tSYMBOL tSTRING { symbol_info($3); }
256 | tINFO tLOCAL { symbol_info_locals(); }
257 | tINFO tDISPLAY { display_info(); }
258 | tINFO tCLASS { info_win32_class(NULL, NULL); }
259 | tINFO tCLASS tSTRING { info_win32_class(NULL, $3); }
260 | tINFO tWND { info_win32_window(NULL, FALSE); }
261 | tINFO tWND expr_rvalue { info_win32_window((HWND)$3, FALSE); }
262 | tINFO '*' tWND { info_win32_window(NULL, TRUE); }
263 | tINFO '*' tWND expr_rvalue { info_win32_window((HWND)$4, TRUE); }
264 | tINFO tPROCESS { info_win32_processes(); }
265 | tINFO tTHREAD { info_win32_threads(); }
266 | tINFO tEXCEPTION { info_win32_exceptions(dbg_curr_tid); }
267 | tINFO tEXCEPTION expr_rvalue { info_win32_exceptions($3); }
268 | tINFO tMAPS { info_win32_virtual(dbg_curr_pid); }
269 | tINFO tMAPS expr_rvalue { info_win32_virtual($3); }
273 tMAINTENANCE tTYPE { print_types(); }
277 tNOPROCESS {} /* <CR> shall not barf anything */
278 | tNOPROCESS tBACKTRACE tALL { stack_backtrace(-1, TRUE); } /* can backtrace all threads with no attached process */
279 | tNOPROCESS tSTRING { dbg_printf("No process loaded, cannot execute '%s'\n", $2); }
283 tCHAR { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_char; }
284 | tINT { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_signed_int; }
285 | tLONG tINT { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_signed_long_int; }
286 | tLONG { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_signed_long_int; }
287 | tUNSIGNED tINT { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_unsigned_int; }
288 | tUNSIGNED { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_unsigned_int; }
289 | tLONG tUNSIGNED tINT { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_unsigned_long_int; }
290 | tLONG tUNSIGNED { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_unsigned_long_int; }
291 | tSHORT tINT { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_signed_short_int; }
292 | tSHORT { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_signed_short_int; }
293 | tSHORT tUNSIGNED tINT { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_unsigned_short_int; }
294 | tSHORT tUNSIGNED { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_unsigned_short_int; }
295 | tSIGNED tCHAR { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_signed_char_int; }
296 | tUNSIGNED tCHAR { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_unsigned_char_int; }
297 | tLONG tLONG tUNSIGNED tINT{ $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_unsigned_longlong_int; }
298 | tLONG tLONG tUNSIGNED { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_unsigned_longlong_int; }
299 | tLONG tLONG tINT { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_signed_longlong_int; }
300 | tLONG tLONG { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_signed_longlong_int; }
301 | tFLOAT { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_short_real; }
302 | tDOUBLE { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_real; }
303 | tLONG tDOUBLE { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_long_real; }
304 | type_expr '*' { $$ = $1; $$.deref_count++; }
305 | tCLASS identifier { $$.type = type_expr_udt_class; $$.deref_count = 0; $$.u.name = lexeme_alloc($2); }
306 | tSTRUCT identifier { $$.type = type_expr_udt_struct; $$.deref_count = 0; $$.u.name = lexeme_alloc($2); }
307 | tUNION identifier { $$.type = type_expr_udt_union; $$.deref_count = 0; $$.u.name = lexeme_alloc($2); }
308 | tENUM identifier { $$.type = type_expr_enumeration; $$.deref_count = 0; $$.u.name = lexeme_alloc($2); }
312 expr { $$ = expr_eval($1); }
316 expr_lvalue { $$ = types_extract_as_integer(&$1); }
320 * The expr rule builds an expression tree. When we are done, we call
321 * EvalExpr to evaluate the value of the expression. The advantage of
322 * the two-step approach is that it is possible to save expressions for
323 * use in 'display' commands, and in conditional watchpoints.
326 tNUM { $$ = expr_alloc_sconstant($1); }
327 | tSTRING { $$ = expr_alloc_string($1); }
328 | tINTVAR { $$ = expr_alloc_internal_var($1); }
329 | identifier { $$ = expr_alloc_symbol($1); }
330 | expr OP_DRF tIDENTIFIER { $$ = expr_alloc_pstruct($1, $3); }
331 | expr '.' tIDENTIFIER { $$ = expr_alloc_struct($1, $3); }
332 | identifier '(' ')' { $$ = expr_alloc_func_call($1, 0); }
333 | identifier '(' expr ')' { $$ = expr_alloc_func_call($1, 1, $3); }
334 | identifier '(' expr ',' expr ')' { $$ = expr_alloc_func_call($1, 2, $3, $5); }
335 | identifier '(' expr ',' expr ',' expr ')' { $$ = expr_alloc_func_call($1, 3, $3, $5, $7); }
336 | identifier '(' expr ',' expr ',' expr ',' expr ')' { $$ = expr_alloc_func_call($1, 4, $3, $5, $7, $9); }
337 | identifier '(' expr ',' expr ',' expr ',' expr ',' expr ')' { $$ = expr_alloc_func_call($1, 5, $3, $5, $7, $9, $11); }
338 | expr '[' expr ']' { $$ = expr_alloc_binary_op(EXP_OP_ARR, $1, $3); }
339 | expr ':' expr { $$ = expr_alloc_binary_op(EXP_OP_SEG, $1, $3); }
340 | expr OP_LOR expr { $$ = expr_alloc_binary_op(EXP_OP_LOR, $1, $3); }
341 | expr OP_LAND expr { $$ = expr_alloc_binary_op(EXP_OP_LAND, $1, $3); }
342 | expr '|' expr { $$ = expr_alloc_binary_op(EXP_OP_OR, $1, $3); }
343 | expr '&' expr { $$ = expr_alloc_binary_op(EXP_OP_AND, $1, $3); }
344 | expr '^' expr { $$ = expr_alloc_binary_op(EXP_OP_XOR, $1, $3); }
345 | expr OP_EQ expr { $$ = expr_alloc_binary_op(EXP_OP_EQ, $1, $3); }
346 | expr '>' expr { $$ = expr_alloc_binary_op(EXP_OP_GT, $1, $3); }
347 | expr '<' expr { $$ = expr_alloc_binary_op(EXP_OP_LT, $1, $3); }
348 | expr OP_GE expr { $$ = expr_alloc_binary_op(EXP_OP_GE, $1, $3); }
349 | expr OP_LE expr { $$ = expr_alloc_binary_op(EXP_OP_LE, $1, $3); }
350 | expr OP_NE expr { $$ = expr_alloc_binary_op(EXP_OP_NE, $1, $3); }
351 | expr OP_SHL expr { $$ = expr_alloc_binary_op(EXP_OP_SHL, $1, $3); }
352 | expr OP_SHR expr { $$ = expr_alloc_binary_op(EXP_OP_SHR, $1, $3); }
353 | expr '+' expr { $$ = expr_alloc_binary_op(EXP_OP_ADD, $1, $3); }
354 | expr '-' expr { $$ = expr_alloc_binary_op(EXP_OP_SUB, $1, $3); }
355 | expr '*' expr { $$ = expr_alloc_binary_op(EXP_OP_MUL, $1, $3); }
356 | expr '/' expr { $$ = expr_alloc_binary_op(EXP_OP_DIV, $1, $3); }
357 | expr '%' expr { $$ = expr_alloc_binary_op(EXP_OP_REM, $1, $3); }
358 | '-' expr %prec OP_SIGN { $$ = expr_alloc_unary_op(EXP_OP_NEG, $2); }
359 | '+' expr %prec OP_SIGN { $$ = $2; }
360 | '!' expr { $$ = expr_alloc_unary_op(EXP_OP_NOT, $2); }
361 | '~' expr { $$ = expr_alloc_unary_op(EXP_OP_LNOT, $2); }
362 | '(' expr ')' { $$ = $2; }
363 | '*' expr %prec OP_DEREF { $$ = expr_alloc_unary_op(EXP_OP_DEREF, $2); }
364 | '&' expr %prec OP_DEREF { $$ = expr_alloc_unary_op(EXP_OP_ADDR, $2); }
365 | '(' type_expr ')' expr %prec OP_DEREF { $$ = expr_alloc_typecast(&$2, $4); }
369 * The lvalue rule builds an expression tree. This is a limited form
370 * of expression that is suitable to be used as an lvalue.
373 lvalue { $$ = expr_eval($1); }
376 lvalue: tNUM { $$ = expr_alloc_sconstant($1); }
377 | tINTVAR { $$ = expr_alloc_internal_var($1); }
378 | identifier { $$ = expr_alloc_symbol($1); }
379 | lvalue OP_DRF tIDENTIFIER { $$ = expr_alloc_pstruct($1, $3); }
380 | lvalue '.' tIDENTIFIER { $$ = expr_alloc_struct($1, $3); }
381 | lvalue '[' expr ']' { $$ = expr_alloc_binary_op(EXP_OP_ARR, $1, $3); }
382 | '*' expr { $$ = expr_alloc_unary_op(EXP_OP_FORCE_DEREF, $2); }
387 static WINE_EXCEPTION_FILTER(wine_dbg_cmd)
389 switch (GetExceptionCode())
391 case DEBUG_STATUS_INTERNAL_ERROR:
392 dbg_printf("\nWineDbg internal error\n");
394 case DEBUG_STATUS_NO_SYMBOL:
395 dbg_printf("\nUndefined symbol\n");
397 case DEBUG_STATUS_DIV_BY_ZERO:
398 dbg_printf("\nDivision by zero\n");
400 case DEBUG_STATUS_BAD_TYPE:
401 dbg_printf("\nNo type or type mismatch\n");
403 case DEBUG_STATUS_NO_FIELD:
404 dbg_printf("\nNo such field in structure or union\n");
406 case DEBUG_STATUS_CANT_DEREF:
407 dbg_printf("\nDereference failed (not a pointer, or out of array bounds)\n");
409 case DEBUG_STATUS_ABORT:
411 case DEBUG_STATUS_NOT_AN_INTEGER:
412 dbg_printf("\nNeeding an integral value\n");
415 /* this is generally sent by a ctrl-c when we run winedbg outside of wineconsole */
416 dbg_printf("\nCtrl-C\n");
417 /* stop the debuggee, and continue debugger execution, we will be reentered by the
418 * debug events generated by stopping
420 dbg_interrupt_debuggee();
421 return EXCEPTION_CONTINUE_EXECUTION;
423 dbg_printf("\nException %lx\n", GetExceptionCode());
427 return EXCEPTION_EXECUTE_HANDLER;
431 #define whitespace(c) (((c) == ' ') || ((c) == '\t'))
434 /* Strip whitespace from the start and end of STRING. */
435 static void stripwhite(char *string)
439 for (i = 0; whitespace(string[i]); i++);
440 if (i) strcpy(string, string + i);
442 last = i = strlen(string) - 1;
443 if (string[last] == '\n') i--;
445 while (i > 0 && whitespace(string[i])) i--;
446 if (string[last] == '\n')
451 static HANDLE dbg_parser_input;
452 static HANDLE dbg_parser_output;
454 /* command passed in the command line arguments */
455 char *arg_command = NULL;
457 int input_fetch_entire_line(const char* pfx, char** line, size_t* alloc, BOOL check_nl)
465 arg_command = "quit\n"; /* we only run one command before exiting */
469 /* as of today, console handles can be file handles... so better use file APIs rather than
472 WriteFile(dbg_parser_output, pfx, strlen(pfx), NULL, NULL);
477 if (!ReadFile(dbg_parser_input, buf_line, sizeof(buf_line) - 1, &nread, NULL) || nread == 0)
479 buf_line[nread] = '\0';
481 if (check_nl && len == 0 && nread == 1 && buf_line[0] == '\n')
484 /* store stuff at the end of last_line */
485 if (len + nread + 1 > *alloc)
487 while (len + nread + 1 > *alloc) *alloc *= 2;
488 *line = dbg_heap_realloc(*line, *alloc);
490 strcpy(*line + len, buf_line);
492 } while (nread == 0 || buf_line[nread - 1] != '\n');
496 *line = HeapReAlloc(GetProcessHeap(), 0, *line, *alloc = 1);
500 /* Remove leading and trailing whitespace from the line */
505 int input_read_line(const char* pfx, char* buf, int size)
510 /* first alloc of our current buffer */
511 line = HeapAlloc(GetProcessHeap(), 0, len = 2);
516 input_fetch_entire_line(pfx, &line, &len, FALSE);
518 /* remove trailing \n */
519 if (len > 0 && line[len - 1] == '\n') len--;
520 len = min(size - 1, len);
521 memcpy(buf, line, len);
523 HeapFree(GetProcessHeap(), 0, line);
527 /***********************************************************************
530 * Debugger command line parser
532 void parser(const char* filename)
535 HANDLE in_copy = dbg_parser_input;
536 HANDLE out_copy = dbg_parser_output;
546 HANDLE h = CreateFile(filename, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0L, 0);
547 if (h == INVALID_HANDLE_VALUE) return;
548 dbg_parser_output = 0;
549 dbg_parser_input = h;
553 dbg_parser_output = GetStdHandle(STD_OUTPUT_HANDLE);
554 dbg_parser_input = GetStdHandle(STD_INPUT_HANDLE);
564 __EXCEPT(wine_dbg_cmd)
572 if (filename) CloseHandle(dbg_parser_input);
573 dbg_parser_input = in_copy;
574 dbg_parser_output = out_copy;
577 int yyerror(const char* s)
579 dbg_printf("%s\n", s);