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"
34 #include "wine/exception.h"
38 int yyerror(const char*);
44 struct dbg_lvalue lvalue;
47 IMAGEHLP_LINE listing;
48 struct expr* expression;
49 struct type_expr_t type;
52 %token tCONT tPASS tSTEP tLIST tNEXT tQUIT tHELP tBACKTRACE tALL tINFO tUP tDOWN
53 %token tENABLE tDISABLE tBREAK tWATCH tDELETE tSET tMODE tPRINT tEXAM tABORT tVM86
54 %token tCLASS tMAPS tSTACK tSEGMENTS tSYMBOL tREGS tWND tQUEUE tLOCAL tEXCEPTION
55 %token tPROCESS tTHREAD tMODREF tEOL tEOF
56 %token tFRAME tSHARE tCOND tDISPLAY tUNDISPLAY tDISASSEMBLE
57 %token tSTEPI tNEXTI tFINISH tSHOW tDIR tWHATIS tSOURCE
58 %token <string> tPATH tIDENTIFIER tSTRING tDEBUGSTR tINTVAR
59 %token <integer> tNUM tFORMAT
60 %token tSYMBOLFILE tRUN tATTACH tDETACH tMAINTENANCE tTYPE tMINIDUMP
63 %token tCHAR tSHORT tINT tLONG tFLOAT tDOUBLE tUNSIGNED tSIGNED
64 %token tSTRUCT tUNION tENUM
67 /* %left '=' OP_OR_EQUAL OP_XOR_EQUAL OP_AND_EQUAL OP_SHL_EQUAL \
68 OP_SHR_EQUAL OP_PLUS_EQUAL OP_MINUS_EQUAL \
69 OP_TIMES_EQUAL OP_DIVIDE_EQUAL OP_MODULO_EQUAL */
70 /* %left OP_COND */ /* ... ? ... : ... */
77 %left '<' '>' OP_LE OP_GE
81 %left OP_SIGN '!' '~' OP_DEREF /* OP_INC OP_DEC OP_ADDR */
82 %left '.' '[' OP_DRF OP_SCOPE
85 %type <expression> expr lvalue
86 %type <lvalue> expr_lvalue lvalue_addr
87 %type <integer> expr_rvalue
88 %type <string> pathname identifier
89 %type <listing> list_arg
90 %type <type> type_expr
100 command tEOL { expr_free_all(); }
103 | error tEOL { yyerrok; expr_free_all(); }
108 | tHELP { print_help(); }
109 | tHELP tINFO { info_help(); }
110 | tPASS { dbg_wait_next_exception(DBG_EXCEPTION_NOT_HANDLED, 0, 0); }
111 | tCONT { dbg_wait_next_exception(DBG_CONTINUE, 1, dbg_exec_cont); }
112 | tCONT tNUM { dbg_wait_next_exception(DBG_CONTINUE, $2, dbg_exec_cont); }
113 | tSTEP { dbg_wait_next_exception(DBG_CONTINUE, 1, dbg_exec_step_into_line); }
114 | tSTEP tNUM { dbg_wait_next_exception(DBG_CONTINUE, $2, dbg_exec_step_into_line); }
115 | tNEXT { dbg_wait_next_exception(DBG_CONTINUE, 1, dbg_exec_step_over_line); }
116 | tNEXT tNUM { dbg_wait_next_exception(DBG_CONTINUE, $2, dbg_exec_step_over_line); }
117 | tSTEPI { dbg_wait_next_exception(DBG_CONTINUE, 1, dbg_exec_step_into_insn); }
118 | tSTEPI tNUM { dbg_wait_next_exception(DBG_CONTINUE, $2, dbg_exec_step_into_insn); }
119 | tNEXTI { dbg_wait_next_exception(DBG_CONTINUE, 1, dbg_exec_step_over_insn); }
120 | tNEXTI tNUM { dbg_wait_next_exception(DBG_CONTINUE, $2, dbg_exec_step_over_insn); }
121 | tFINISH { dbg_wait_next_exception(DBG_CONTINUE, 0, dbg_exec_finish); }
122 | tABORT { abort(); }
123 | tBACKTRACE { stack_backtrace(dbg_curr_tid); }
124 | tBACKTRACE tNUM { stack_backtrace($2); }
125 | tBACKTRACE tALL { stack_backtrace(-1); }
126 | tUP { stack_set_frame(dbg_curr_thread->curr_frame + 1); }
127 | tUP tNUM { stack_set_frame(dbg_curr_thread->curr_frame + $2); }
128 | tDOWN { stack_set_frame(dbg_curr_thread->curr_frame - 1); }
129 | tDOWN tNUM { stack_set_frame(dbg_curr_thread->curr_frame - $2); }
130 | tFRAME tNUM { stack_set_frame($2); }
131 | tSHOW tDIR { source_show_path(); }
132 | tDIR pathname { source_add_path($2); }
133 | tDIR { source_nuke_path(); }
134 | tCOND tNUM { break_add_condition($2, NULL); }
135 | tCOND tNUM expr { break_add_condition($2, $3); }
136 | tSOURCE pathname { parser($2); }
137 | tSYMBOLFILE pathname { symbol_read_symtable($2, 0); }
138 | tSYMBOLFILE pathname expr_rvalue { symbol_read_symtable($2, $3); }
139 | tWHATIS expr_lvalue { dbg_printf("type = "); types_print_type(&$2.type, FALSE); dbg_printf("\n"); }
140 | tATTACH tNUM { dbg_attach_debuggee($2, FALSE, TRUE); }
141 | tDETACH { dbg_detach_debuggee(); }
142 | tMINIDUMP pathname { minidump_write($2, (dbg_curr_thread && dbg_curr_thread->in_exception) ? &dbg_curr_thread->excpt_record : NULL);}
145 | disassemble_command
153 | maintenance_command
158 identifier { $$ = $1; }
159 | tSTRING { $$ = $1; }
164 tIDENTIFIER { $$ = $1; }
165 | tPATH '!' tIDENTIFIER { $$ = lexeme_alloc_size(strlen($1) + 1 + strlen($3) + 1);
166 sprintf($$, "%s!%s", $1, $3); }
167 | identifier OP_SCOPE tIDENTIFIER { $$ = lexeme_alloc_size(strlen($1) + 2 + strlen($3) + 1);
168 sprintf($$, "%s::%s", $1, $3); }
172 tNUM { $$.FileName = NULL; $$.LineNumber = $1; }
173 | pathname ':' tNUM { $$.FileName = $1; $$.LineNumber = $3; }
174 | identifier { symbol_get_line(NULL, $1, &$$); }
175 | pathname ':' identifier { symbol_get_line($3, $1, &$$); }
176 | '*' expr_lvalue { DWORD disp; $$.SizeOfStruct = sizeof($$);
177 SymGetLineFromAddr(dbg_curr_process->handle, (unsigned long)memory_to_linear_addr(& $2.addr), &disp, & $$); }
181 tRUN { dbg_run_debuggee(NULL); }
182 | tRUN tSTRING { dbg_run_debuggee($2); }
186 tLIST { source_list(NULL, NULL, 10); }
187 | tLIST '-' { source_list(NULL, NULL, -10); }
188 | tLIST list_arg { source_list(& $2, NULL, 10); }
189 | tLIST ',' list_arg { source_list(NULL, & $3, -10); }
190 | tLIST list_arg ',' list_arg { source_list(& $2, & $4, 0); }
194 tDISASSEMBLE { memory_disassemble(NULL, NULL, 10); }
195 | tDISASSEMBLE expr_lvalue { memory_disassemble(&$2, NULL, 10); }
196 | tDISASSEMBLE expr_lvalue ',' expr_lvalue { memory_disassemble(&$2, &$4, 0); }
200 tSET lvalue_addr '=' expr_rvalue { memory_write_value(&$2, sizeof(int), &$4); }
201 | tSET '+' tIDENTIFIER { info_wine_dbg_channel(TRUE, NULL, $3); }
202 | tSET '-' tIDENTIFIER { info_wine_dbg_channel(FALSE, NULL, $3); }
203 | tSET tIDENTIFIER '+' tIDENTIFIER { info_wine_dbg_channel(TRUE, $2, $4); }
204 | tSET tIDENTIFIER '-' tIDENTIFIER { info_wine_dbg_channel(FALSE, $2, $4); }
208 tEXAM expr_lvalue { memory_examine(&$2, 1, 'x'); }
209 | tEXAM tFORMAT expr_lvalue { memory_examine(&$3, $2 >> 8, $2 & 0xff); }
213 tPRINT expr_lvalue { print_value(&$2, 0, 0); }
214 | tPRINT tFORMAT expr_lvalue { if (($2 >> 8) == 1) print_value(&$3, $2 & 0xff, 0); else dbg_printf("Count is meaningless in print command\n"); }
218 tBREAK '*' expr_lvalue { break_add_break_from_lvalue(&$3); }
219 | tBREAK identifier { break_add_break_from_id($2, -1); }
220 | tBREAK identifier ':' tNUM { break_add_break_from_id($2, $4); }
221 | tBREAK tNUM { break_add_break_from_lineno($2); }
222 | tBREAK { break_add_break_from_lineno(-1); }
223 | tENABLE tNUM { break_enable_xpoint($2, TRUE); }
224 | tENABLE tBREAK tNUM { break_enable_xpoint($3, TRUE); }
225 | tDISABLE tNUM { break_enable_xpoint($2, FALSE); }
226 | tDISABLE tBREAK tNUM { break_enable_xpoint($3, FALSE); }
227 | tDELETE tNUM { break_delete_xpoint($2); }
228 | tDELETE tBREAK tNUM { break_delete_xpoint($3); }
232 tWATCH '*' expr_lvalue { break_add_watch_from_lvalue(&$3); }
233 | tWATCH identifier { break_add_watch_from_id($2); }
237 tDISPLAY { display_print(); }
238 | tDISPLAY expr { display_add($2, 1, 0); }
239 | tDISPLAY tFORMAT expr { display_add($3, $2 >> 8, $2 & 0xff); }
240 | tENABLE tDISPLAY tNUM { display_enable($3, TRUE); }
241 | tDISABLE tDISPLAY tNUM { display_enable($3, FALSE); }
242 | tDELETE tDISPLAY tNUM { display_delete($3); }
243 | tDELETE tDISPLAY { display_delete(-1); }
244 | tUNDISPLAY tNUM { display_delete($2); }
245 | tUNDISPLAY { display_delete(-1); }
249 tINFO tBREAK { break_info(); }
250 | tINFO tSHARE { info_win32_module(0); }
251 | tINFO tSHARE expr_rvalue { info_win32_module($3); }
252 | tINFO tREGS { be_cpu->print_context(dbg_curr_thread->handle, &dbg_context); }
253 | tINFO tSEGMENTS expr_rvalue { info_win32_segments($3 >> 3, 1); }
254 | tINFO tSEGMENTS { info_win32_segments(0, -1); }
255 | tINFO tSTACK { stack_info(); }
256 | tINFO tSYMBOL tSTRING { symbol_info($3); }
257 | tINFO tLOCAL { symbol_info_locals(); }
258 | tINFO tDISPLAY { display_info(); }
259 | tINFO tCLASS { info_win32_class(NULL, NULL); }
260 | tINFO tCLASS tSTRING { info_win32_class(NULL, $3); }
261 | tINFO tWND { info_win32_window(NULL, FALSE); }
262 | tINFO tWND expr_rvalue { info_win32_window((HWND)$3, FALSE); }
263 | tINFO '*' tWND { info_win32_window(NULL, TRUE); }
264 | tINFO '*' tWND expr_rvalue { info_win32_window((HWND)$4, TRUE); }
265 | tINFO tPROCESS { info_win32_processes(); }
266 | tINFO tTHREAD { info_win32_threads(); }
267 | tINFO tEXCEPTION { info_win32_exceptions(dbg_curr_tid); }
268 | tINFO tEXCEPTION expr_rvalue { info_win32_exceptions($3); }
269 | tINFO tMAPS { info_win32_virtual(dbg_curr_pid); }
270 | tINFO tMAPS expr_rvalue { info_win32_virtual($3); }
274 tMAINTENANCE tTYPE { print_types(); }
278 tNOPROCESS {} /* <CR> shall not barf anything */
279 | tNOPROCESS tBACKTRACE tALL { stack_backtrace(-1); } /* can backtrace all threads with no attached process */
280 | tNOPROCESS tSTRING { dbg_printf("No process loaded, cannot execute '%s'\n", $2); }
284 tCHAR { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_char; }
285 | tINT { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_signed_int; }
286 | tLONG tINT { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_signed_long_int; }
287 | tLONG { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_signed_long_int; }
288 | tUNSIGNED tINT { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_unsigned_int; }
289 | tUNSIGNED { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_unsigned_int; }
290 | tLONG tUNSIGNED tINT { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_unsigned_long_int; }
291 | tLONG tUNSIGNED { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_unsigned_long_int; }
292 | tSHORT tINT { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_signed_short_int; }
293 | tSHORT { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_signed_short_int; }
294 | tSHORT tUNSIGNED tINT { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_unsigned_short_int; }
295 | tSHORT tUNSIGNED { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_unsigned_short_int; }
296 | tSIGNED tCHAR { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_signed_char_int; }
297 | tUNSIGNED tCHAR { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_unsigned_char_int; }
298 | tLONG tLONG tUNSIGNED tINT{ $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_unsigned_longlong_int; }
299 | tLONG tLONG tUNSIGNED { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_unsigned_longlong_int; }
300 | tLONG tLONG tINT { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_signed_longlong_int; }
301 | tLONG tLONG { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_signed_longlong_int; }
302 | tFLOAT { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_short_real; }
303 | tDOUBLE { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_real; }
304 | tLONG tDOUBLE { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_long_real; }
305 | type_expr '*' { $$ = $1; $$.deref_count++; }
306 | tCLASS identifier { $$.type = type_expr_udt_class; $$.deref_count = 0; $$.u.name = $2; }
307 | tSTRUCT identifier { $$.type = type_expr_udt_struct; $$.deref_count = 0; $$.u.name = $2; }
308 | tUNION identifier { $$.type = type_expr_udt_union; $$.deref_count = 0; $$.u.name = $2; }
309 | tENUM identifier { $$.type = type_expr_enumeration; $$.deref_count = 0; $$.u.name = $2; }
313 expr { $$ = expr_eval($1); }
317 expr_lvalue { $$ = types_extract_as_integer(&$1); }
321 * The expr rule builds an expression tree. When we are done, we call
322 * EvalExpr to evaluate the value of the expression. The advantage of
323 * the two-step approach is that it is possible to save expressions for
324 * use in 'display' commands, and in conditional watchpoints.
327 tNUM { $$ = expr_alloc_sconstant($1); }
328 | tSTRING { $$ = expr_alloc_string($1); }
329 | tINTVAR { $$ = expr_alloc_internal_var($1); }
330 | identifier { $$ = expr_alloc_symbol($1); }
331 | expr OP_DRF tIDENTIFIER { $$ = expr_alloc_pstruct($1, $3); }
332 | expr '.' tIDENTIFIER { $$ = expr_alloc_struct($1, $3); }
333 | identifier '(' ')' { $$ = expr_alloc_func_call($1, 0); }
334 | identifier '(' expr ')' { $$ = expr_alloc_func_call($1, 1, $3); }
335 | identifier '(' expr ',' expr ')' { $$ = expr_alloc_func_call($1, 2, $3, $5); }
336 | identifier '(' expr ',' expr ',' expr ')' { $$ = expr_alloc_func_call($1, 3, $3, $5, $7); }
337 | identifier '(' expr ',' expr ',' expr ',' expr ')' { $$ = expr_alloc_func_call($1, 4, $3, $5, $7, $9); }
338 | identifier '(' expr ',' expr ',' expr ',' expr ',' expr ')' { $$ = expr_alloc_func_call($1, 5, $3, $5, $7, $9, $11); }
339 | expr '[' expr ']' { $$ = expr_alloc_binary_op(EXP_OP_ARR, $1, $3); }
340 | expr ':' expr { $$ = expr_alloc_binary_op(EXP_OP_SEG, $1, $3); }
341 | expr OP_LOR expr { $$ = expr_alloc_binary_op(EXP_OP_LOR, $1, $3); }
342 | expr OP_LAND expr { $$ = expr_alloc_binary_op(EXP_OP_LAND, $1, $3); }
343 | expr '|' expr { $$ = expr_alloc_binary_op(EXP_OP_OR, $1, $3); }
344 | expr '&' expr { $$ = expr_alloc_binary_op(EXP_OP_AND, $1, $3); }
345 | expr '^' expr { $$ = expr_alloc_binary_op(EXP_OP_XOR, $1, $3); }
346 | expr OP_EQ expr { $$ = expr_alloc_binary_op(EXP_OP_EQ, $1, $3); }
347 | expr '>' expr { $$ = expr_alloc_binary_op(EXP_OP_GT, $1, $3); }
348 | expr '<' expr { $$ = expr_alloc_binary_op(EXP_OP_LT, $1, $3); }
349 | expr OP_GE expr { $$ = expr_alloc_binary_op(EXP_OP_GE, $1, $3); }
350 | expr OP_LE expr { $$ = expr_alloc_binary_op(EXP_OP_LE, $1, $3); }
351 | expr OP_NE expr { $$ = expr_alloc_binary_op(EXP_OP_NE, $1, $3); }
352 | expr OP_SHL expr { $$ = expr_alloc_binary_op(EXP_OP_SHL, $1, $3); }
353 | expr OP_SHR expr { $$ = expr_alloc_binary_op(EXP_OP_SHR, $1, $3); }
354 | expr '+' expr { $$ = expr_alloc_binary_op(EXP_OP_ADD, $1, $3); }
355 | expr '-' expr { $$ = expr_alloc_binary_op(EXP_OP_SUB, $1, $3); }
356 | expr '*' expr { $$ = expr_alloc_binary_op(EXP_OP_MUL, $1, $3); }
357 | expr '/' expr { $$ = expr_alloc_binary_op(EXP_OP_DIV, $1, $3); }
358 | expr '%' expr { $$ = expr_alloc_binary_op(EXP_OP_REM, $1, $3); }
359 | '-' expr %prec OP_SIGN { $$ = expr_alloc_unary_op(EXP_OP_NEG, $2); }
360 | '+' expr %prec OP_SIGN { $$ = $2; }
361 | '!' expr { $$ = expr_alloc_unary_op(EXP_OP_NOT, $2); }
362 | '~' expr { $$ = expr_alloc_unary_op(EXP_OP_LNOT, $2); }
363 | '(' expr ')' { $$ = $2; }
364 | '*' expr %prec OP_DEREF { $$ = expr_alloc_unary_op(EXP_OP_DEREF, $2); }
365 | '&' expr %prec OP_DEREF { $$ = expr_alloc_unary_op(EXP_OP_ADDR, $2); }
366 | '(' type_expr ')' expr %prec OP_DEREF { $$ = expr_alloc_typecast(&$2, $4); }
370 * The lvalue rule builds an expression tree. This is a limited form
371 * of expression that is suitable to be used as an lvalue.
374 lvalue { $$ = expr_eval($1); }
378 tNUM { $$ = expr_alloc_sconstant($1); }
379 | tINTVAR { $$ = expr_alloc_internal_var($1); }
380 | identifier { $$ = expr_alloc_symbol($1); }
381 | lvalue OP_DRF tIDENTIFIER { $$ = expr_alloc_pstruct($1, $3); }
382 | lvalue '.' tIDENTIFIER { $$ = expr_alloc_struct($1, $3); }
383 | lvalue '[' expr ']' { $$ = expr_alloc_binary_op(EXP_OP_ARR, $1, $3); }
384 | '*' expr { $$ = expr_alloc_unary_op(EXP_OP_FORCE_DEREF, $2); }
389 static WINE_EXCEPTION_FILTER(wine_dbg_cmd)
391 switch (GetExceptionCode())
393 case DEBUG_STATUS_INTERNAL_ERROR:
394 dbg_printf("\nWineDbg internal error\n");
396 case DEBUG_STATUS_NO_SYMBOL:
397 dbg_printf("\nUndefined symbol\n");
399 case DEBUG_STATUS_DIV_BY_ZERO:
400 dbg_printf("\nDivision by zero\n");
402 case DEBUG_STATUS_BAD_TYPE:
403 dbg_printf("\nNo type or type mismatch\n");
405 case DEBUG_STATUS_NO_FIELD:
406 dbg_printf("\nNo such field in structure or union\n");
408 case DEBUG_STATUS_CANT_DEREF:
409 dbg_printf("\nDereference failed (not a pointer, or out of array bounds)\n");
411 case DEBUG_STATUS_ABORT:
413 case DEBUG_STATUS_NOT_AN_INTEGER:
414 dbg_printf("\nNeeding an integral value\n");
417 /* this is generally sent by a ctrl-c when we run winedbg outside of wineconsole */
418 /* stop the debuggee, and continue debugger execution, we will be reentered by the
419 * debug events generated by stopping
421 dbg_interrupt_debuggee();
422 return EXCEPTION_CONTINUE_EXECUTION;
424 dbg_printf("\nException %lx\n", GetExceptionCode());
428 return EXCEPTION_EXECUTE_HANDLER;
431 static HANDLE dbg_parser_input;
432 static HANDLE dbg_parser_output;
434 int input_fetch_entire_line(const char* pfx, char** line)
440 /* as of today, console handles can be file handles... so better use file APIs rather than
443 WriteFile(dbg_parser_output, pfx, strlen(pfx), &nread, NULL);
447 alloc = HeapSize(GetProcessHeap(), 0, *line);
452 *line = HeapAlloc(GetProcessHeap(), 0, alloc = 16);
459 if (!ReadFile(dbg_parser_input, &ch, 1, &nread, NULL) || nread == 0)
463 while (len + 2 > alloc) alloc *= 2;
464 *line = dbg_heap_realloc(*line, alloc);
474 int input_read_line(const char* pfx, char* buf, int size)
479 len = input_fetch_entire_line(pfx, &line);
480 /* remove trailing \n */
481 if (len > 0 && line[len - 1] == '\n') len--;
482 len = min(size - 1, len);
483 memcpy(buf, line, len);
485 HeapFree(GetProcessHeap(), 0, line);
489 /***********************************************************************
492 * Debugger command line parser
494 void parser_handle(HANDLE input)
497 HANDLE in_copy = dbg_parser_input;
498 HANDLE out_copy = dbg_parser_output;
506 if (input != INVALID_HANDLE_VALUE)
508 dbg_parser_output = INVALID_HANDLE_VALUE;
509 dbg_parser_input = input;
513 dbg_parser_output = GetStdHandle(STD_OUTPUT_HANDLE);
514 dbg_parser_input = GetStdHandle(STD_INPUT_HANDLE);
524 __EXCEPT(wine_dbg_cmd)
532 dbg_parser_input = in_copy;
533 dbg_parser_output = out_copy;
536 void parser(const char* filename)
538 HANDLE h = CreateFile(filename, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0L, 0);
539 if (h != INVALID_HANDLE_VALUE)
546 int yyerror(const char* s)
548 dbg_printf("%s\n", s);