3 * Parser for command lines in the Wine debugger
5 * Copyright 1993 Eric Youngdale
6 * Copyright 1995 Morten Welinder
7 * Copyright 2000 Eric Pouech
18 #include "wine/exception.h"
24 static void issue_prompt(void);
25 static void mode_command(int);
36 struct list_id listing;
37 struct expr * expression;
38 struct datatype* type;
41 %token tCONT tPASS tSTEP tLIST tNEXT tQUIT tHELP tBACKTRACE tINFO tWALK tUP tDOWN
42 %token tENABLE tDISABLE tBREAK tWATCH tDELETE tSET tMODE tPRINT tEXAM tABORT tVM86
43 %token tCLASS tMAPS tMODULE tSTACK tSEGMENTS tREGS tWND tQUEUE tLOCAL
44 %token tPROCESS tTHREAD tMODREF tEOL
45 %token tFRAME tSHARE tCOND tDISPLAY tUNDISPLAY tDISASSEMBLE
46 %token tSTEPI tNEXTI tFINISH tSHOW tDIR tWHATIS
48 %token <string> tIDENTIFIER tSTRING tDEBUGSTR tINTVAR
49 %token <integer> tNUM tFORMAT
50 %token tSYMBOLFILE tRUN tATTACH tNOPROCESS
52 %token tCHAR tSHORT tINT tLONG tFLOAT tDOUBLE tUNSIGNED tSIGNED
53 %token tSTRUCT tUNION tENUM
56 /* %left '=' OP_OR_EQUAL OP_XOR_EQUAL OP_AND_EQUAL OP_SHL_EQUAL \
57 OP_SHR_EQUAL OP_PLUS_EQUAL OP_MINUS_EQUAL \
58 OP_TIMES_EQUAL OP_DIVIDE_EQUAL OP_MODULO_EQUAL */
59 /* %left OP_COND */ /* ... ? ... : ... */
66 %left '<' '>' OP_LE OP_GE
70 %left OP_SIGN '!' '~' OP_DEREF /* OP_INC OP_DEC OP_ADDR */
74 %type <expression> expr lval lvalue
75 %type <type> type_cast type_expr
76 %type <value> expr_addr lval_addr
77 %type <integer> expr_value
78 %type <string> pathname identifier
80 %type <listing> list_arg
84 input: line { issue_prompt(); }
85 | input line { issue_prompt(); }
89 | error tEOL { yyerrok; }
92 tQUIT tEOL { return FALSE; }
93 | tHELP tEOL { DEBUG_Help(); }
94 | tHELP tINFO tEOL { DEBUG_HelpInfo(); }
95 | tCONT tEOL { DEBUG_CurrThread->dbg_exec_count = 1;
96 DEBUG_CurrThread->dbg_exec_mode = EXEC_CONT; return TRUE; }
97 | tPASS tEOL { DEBUG_CurrThread->dbg_exec_count = 1;
98 DEBUG_CurrThread->dbg_exec_mode = EXEC_PASS; return TRUE; }
99 | tCONT tNUM tEOL { DEBUG_CurrThread->dbg_exec_count = $2;
100 DEBUG_CurrThread->dbg_exec_mode = EXEC_CONT; return TRUE; }
101 | tSTEP tEOL { DEBUG_CurrThread->dbg_exec_count = 1;
102 DEBUG_CurrThread->dbg_exec_mode = EXEC_STEP_INSTR; return TRUE; }
103 | tNEXT tEOL { DEBUG_CurrThread->dbg_exec_count = 1;
104 DEBUG_CurrThread->dbg_exec_mode = EXEC_STEP_OVER; return TRUE; }
105 | tSTEP tNUM tEOL { DEBUG_CurrThread->dbg_exec_count = $2;
106 DEBUG_CurrThread->dbg_exec_mode = EXEC_STEP_INSTR; return TRUE; }
107 | tNEXT tNUM tEOL { DEBUG_CurrThread->dbg_exec_count = $2;
108 DEBUG_CurrThread->dbg_exec_mode = EXEC_STEP_OVER; return TRUE; }
109 | tSTEPI tEOL { DEBUG_CurrThread->dbg_exec_count = 1;
110 DEBUG_CurrThread->dbg_exec_mode = EXEC_STEPI_INSTR; return TRUE; }
111 | tNEXTI tEOL { DEBUG_CurrThread->dbg_exec_count = 1;
112 DEBUG_CurrThread->dbg_exec_mode = EXEC_STEPI_OVER; return TRUE; }
113 | tSTEPI tNUM tEOL { DEBUG_CurrThread->dbg_exec_count = $2;
114 DEBUG_CurrThread->dbg_exec_mode = EXEC_STEPI_INSTR; return TRUE; }
115 | tNEXTI tNUM tEOL { DEBUG_CurrThread->dbg_exec_count = $2;
116 DEBUG_CurrThread->dbg_exec_mode = EXEC_STEPI_OVER; return TRUE; }
117 | tABORT tEOL { kill(getpid(), SIGABRT); }
118 | tMODE tNUM tEOL { mode_command($2); }
119 | tMODE tVM86 tEOL { DEBUG_CurrThread->dbg_mode = MODE_VM86; }
120 | tENABLE tNUM tEOL { DEBUG_EnableBreakpoint( $2, TRUE ); }
121 | tDISABLE tNUM tEOL { DEBUG_EnableBreakpoint( $2, FALSE ); }
122 | tDELETE tBREAK tNUM tEOL { DEBUG_DelBreakpoint( $3 ); }
123 | tBACKTRACE tEOL { DEBUG_BackTrace(DEBUG_CurrTid, TRUE); }
124 | tBACKTRACE tNUM tEOL { DEBUG_BackTrace($2, TRUE); }
125 | tUP tEOL { DEBUG_SetFrame( curr_frame + 1 ); }
126 | tUP tNUM tEOL { DEBUG_SetFrame( curr_frame + $2 ); }
127 | tDOWN tEOL { DEBUG_SetFrame( curr_frame - 1 ); }
128 | tDOWN tNUM tEOL { DEBUG_SetFrame( curr_frame - $2 ); }
129 | tFRAME tNUM tEOL { DEBUG_SetFrame( $2 ); }
130 | tFINISH tEOL { DEBUG_CurrThread->dbg_exec_count = 0;
131 DEBUG_CurrThread->dbg_exec_mode = EXEC_FINISH; return TRUE; }
132 | tSHOW tDIR tEOL { DEBUG_ShowDir(); }
133 | tDIR pathname tEOL { DEBUG_AddPath( $2 ); }
134 | tDIR tEOL { DEBUG_NukePath(); }
135 | tDISPLAY tEOL { DEBUG_InfoDisplay(); }
136 | tDISPLAY expr tEOL { DEBUG_AddDisplay($2, 1, 0); }
137 | tDISPLAY tFORMAT expr tEOL{ DEBUG_AddDisplay($3, $2 >> 8, $2 & 0xff); }
138 | tDELETE tDISPLAY tNUM tEOL{ DEBUG_DelDisplay( $3 ); }
139 | tDELETE tDISPLAY tEOL { DEBUG_DelDisplay( -1 ); }
140 | tUNDISPLAY tNUM tEOL { DEBUG_DelDisplay( $2 ); }
141 | tUNDISPLAY tEOL { DEBUG_DelDisplay( -1 ); }
142 | tCOND tNUM tEOL { DEBUG_AddBPCondition($2, NULL); }
143 | tCOND tNUM expr tEOL { DEBUG_AddBPCondition($2, $3); }
144 | tSYMBOLFILE pathname tEOL { DEBUG_ReadSymbolTable($2); }
145 | tWHATIS expr_addr tEOL { DEBUG_PrintType(&$2); DEBUG_FreeExprMem(); }
146 | tATTACH tNUM tEOL { if (DEBUG_Attach($2, FALSE)) return TRUE; }
148 | disassemble_command
160 tSET lval_addr '=' expr_value tEOL { DEBUG_WriteMemory( &$2, $4 );
161 DEBUG_FreeExprMem(); }
164 tIDENTIFIER { $$ = $1; }
168 tDISASSEMBLE tEOL { DEBUG_Disassemble( NULL, NULL, 10 ); }
169 | tDISASSEMBLE expr_addr tEOL { DEBUG_Disassemble( & $2, NULL, 10 ); }
170 | tDISASSEMBLE expr_addr ',' expr_addr tEOL { DEBUG_Disassemble( & $2, & $4, 0 ); }
173 tLIST tEOL { DEBUG_List( NULL, NULL, 10 ); }
174 | tLIST '-' tEOL { DEBUG_List( NULL, NULL, -10 ); }
175 | tLIST list_arg tEOL { DEBUG_List( & $2, NULL, 10 ); }
176 | tLIST ',' list_arg tEOL { DEBUG_List( NULL, & $3, -10 ); }
177 | tLIST list_arg ',' list_arg tEOL { DEBUG_List( & $2, & $4, 0 ); }
180 tNUM { $$.sourcefile = NULL; $$.line = $1; }
181 | pathname ':' tNUM { $$.sourcefile = $1; $$.line = $3; }
182 | tIDENTIFIER { DEBUG_GetFuncInfo( & $$, NULL, $1); }
183 | pathname ':' tIDENTIFIER { DEBUG_GetFuncInfo( & $$, $1, $3); }
184 | '*' expr_addr { DEBUG_FindNearestSymbol( & $2.addr, FALSE, NULL, 0, & $$ );
185 DEBUG_FreeExprMem(); }
188 tEXAM expr_addr tEOL { DEBUG_ExamineMemory( &$2, 1, 'x'); DEBUG_FreeExprMem(); }
189 | tEXAM tFORMAT expr_addr tEOL { DEBUG_ExamineMemory( &$3, $2>>8, $2&0xff );
190 DEBUG_FreeExprMem(); }
193 tPRINT expr_addr tEOL { DEBUG_Print( &$2, 1, 0, 0 ); DEBUG_FreeExprMem(); }
194 | tPRINT tFORMAT expr_addr tEOL { DEBUG_Print( &$3, $2 >> 8, $2 & 0xff, 0 );
195 DEBUG_FreeExprMem(); }
198 tBREAK '*' expr_addr tEOL{ DEBUG_AddBreakpoint( &$3, NULL ); DEBUG_FreeExprMem(); }
199 | tBREAK identifier tEOL { DEBUG_AddBreakpointFromId($2, -1); }
200 | tBREAK identifier ':' tNUM tEOL { DEBUG_AddBreakpointFromId($2, $4); }
201 | tBREAK tNUM tEOL { DEBUG_AddBreakpointFromLineno($2); }
202 | tBREAK tEOL { DEBUG_AddBreakpointFromLineno(-1); }
205 tWATCH '*' expr_addr tEOL { DEBUG_AddWatchpoint( &$3, 1 ); DEBUG_FreeExprMem(); }
206 | tWATCH identifier tEOL { DEBUG_AddWatchpointFromId($2); }
209 tINFO tBREAK tEOL { DEBUG_InfoBreakpoints(); }
210 | tINFO tCLASS tSTRING tEOL { DEBUG_InfoClass( $3 ); }
211 | tINFO tSHARE tEOL { DEBUG_InfoShare(); }
212 | tINFO tMODULE expr_value tEOL { DEBUG_DumpModule( $3 ); DEBUG_FreeExprMem(); }
213 | tINFO tQUEUE expr_value tEOL { DEBUG_DumpQueue( $3 ); DEBUG_FreeExprMem(); }
214 | tINFO tREGS tEOL { DEBUG_InfoRegisters(); }
215 | tINFO tSEGMENTS expr_value tEOL { DEBUG_InfoSegments( $3, 1 ); DEBUG_FreeExprMem(); }
216 | tINFO tSEGMENTS tEOL { DEBUG_InfoSegments( 0, -1 ); }
217 | tINFO tSTACK tEOL { DEBUG_InfoStack(); }
218 | tINFO tMAPS tEOL { DEBUG_InfoVirtual(); }
219 | tINFO tWND expr_value tEOL{ DEBUG_InfoWindow( (HWND)$3 ); DEBUG_FreeExprMem(); }
220 | tINFO tLOCAL tEOL { DEBUG_InfoLocals(); }
221 | tINFO tDISPLAY tEOL { DEBUG_InfoDisplay(); }
224 tWALK tCLASS tEOL { DEBUG_WalkClasses(); }
225 | tWALK tMODULE tEOL { DEBUG_WalkModules(); }
226 | tWALK tQUEUE tEOL { DEBUG_WalkQueues(); }
227 | tWALK tWND tEOL { DEBUG_WalkWindows( 0, 0 ); }
228 | tWALK tWND tNUM tEOL { DEBUG_WalkWindows( (HWND)$3, 0 ); }
229 | tWALK tPROCESS tEOL { DEBUG_WalkProcess(); }
230 | tWALK tTHREAD tEOL { DEBUG_WalkThreads(); }
231 | tWALK tMODREF expr_value tEOL { DEBUG_WalkModref( $3 ); DEBUG_FreeExprMem(); }
234 tRUN tEOL { DEBUG_Run(NULL); }
235 | tRUN tSTRING tEOL { DEBUG_Run($2); }
238 tNOPROCESS tEOL {} /* <CR> shall not barf anything */
239 | tNOPROCESS tSTRING tEOL { DEBUG_Printf(DBG_CHN_MESG, "No process loaded, cannot execute '%s'\n", $2); }
242 '(' type_expr ')' { $$ = $2; }
245 type_expr '*' { $$ = DEBUG_FindOrMakePointerType($1); }
246 | tINT { $$ = DEBUG_TypeCast(DT_BASIC, "int"); }
247 | tCHAR { $$ = DEBUG_TypeCast(DT_BASIC, "char"); }
248 | tLONG tINT { $$ = DEBUG_TypeCast(DT_BASIC, "long int"); }
249 | tUNSIGNED tINT { $$ = DEBUG_TypeCast(DT_BASIC, "unsigned int"); }
250 | tLONG tUNSIGNED tINT { $$ = DEBUG_TypeCast(DT_BASIC, "long unsigned int"); }
251 | tLONG tLONG tINT { $$ = DEBUG_TypeCast(DT_BASIC, "long long int"); }
252 | tLONG tLONG tUNSIGNED tINT{ $$ = DEBUG_TypeCast(DT_BASIC, "long long unsigned int"); }
253 | tSHORT tINT { $$ = DEBUG_TypeCast(DT_BASIC, "short int"); }
254 | tSHORT tUNSIGNED tINT { $$ = DEBUG_TypeCast(DT_BASIC, "short unsigned int"); }
255 | tSIGNED tCHAR { $$ = DEBUG_TypeCast(DT_BASIC, "signed char"); }
256 | tUNSIGNED tCHAR { $$ = DEBUG_TypeCast(DT_BASIC, "unsigned char"); }
257 | tFLOAT { $$ = DEBUG_TypeCast(DT_BASIC, "float"); }
258 | tDOUBLE { $$ = DEBUG_TypeCast(DT_BASIC, "double"); }
259 | tLONG tDOUBLE { $$ = DEBUG_TypeCast(DT_BASIC, "long double"); }
260 | tSTRUCT tIDENTIFIER { $$ = DEBUG_TypeCast(DT_STRUCT, $2); }
261 | tUNION tIDENTIFIER { $$ = DEBUG_TypeCast(DT_STRUCT, $2); }
262 | tENUM tIDENTIFIER { $$ = DEBUG_TypeCast(DT_ENUM, $2); }
265 expr { $$ = DEBUG_EvalExpr($1); }
268 expr { DBG_VALUE value = DEBUG_EvalExpr($1);
269 /* expr_value is typed as an integer */
270 $$ = DEBUG_ReadMemory(&value); }
273 * The expr rule builds an expression tree. When we are done, we call
274 * EvalExpr to evaluate the value of the expression. The advantage of
275 * the two-step approach is that it is possible to save expressions for
276 * use in 'display' commands, and in conditional watchpoints.
279 tNUM { $$ = DEBUG_ConstExpr($1); }
280 | tSTRING { $$ = DEBUG_StringExpr($1); }
281 | tINTVAR { $$ = DEBUG_IntVarExpr($1); }
282 | tIDENTIFIER { $$ = DEBUG_SymbolExpr($1); }
283 | expr OP_DRF tIDENTIFIER { $$ = DEBUG_StructPExpr($1, $3); }
284 | expr '.' tIDENTIFIER { $$ = DEBUG_StructExpr($1, $3); }
285 | tIDENTIFIER '(' ')' { $$ = DEBUG_CallExpr($1, 0); }
286 | tIDENTIFIER '(' expr ')' { $$ = DEBUG_CallExpr($1, 1, $3); }
287 | tIDENTIFIER '(' expr ',' expr ')' { $$ = DEBUG_CallExpr($1, 2, $3, $5); }
288 | tIDENTIFIER '(' expr ',' expr ',' expr ')' { $$ = DEBUG_CallExpr($1, 3, $3, $5, $7); }
289 | tIDENTIFIER '(' expr ',' expr ',' expr ',' expr ')' { $$ = DEBUG_CallExpr($1, 4, $3, $5, $7, $9); }
290 | tIDENTIFIER '(' expr ',' expr ',' expr ',' expr ',' expr ')' { $$ = DEBUG_CallExpr($1, 5, $3, $5, $7, $9, $11); }
291 | expr '[' expr ']' { $$ = DEBUG_BinopExpr(EXP_OP_ARR, $1, $3); }
292 | expr ':' expr { $$ = DEBUG_BinopExpr(EXP_OP_SEG, $1, $3); }
293 | expr OP_LOR expr { $$ = DEBUG_BinopExpr(EXP_OP_LOR, $1, $3); }
294 | expr OP_LAND expr { $$ = DEBUG_BinopExpr(EXP_OP_LAND, $1, $3); }
295 | expr '|' expr { $$ = DEBUG_BinopExpr(EXP_OP_OR, $1, $3); }
296 | expr '&' expr { $$ = DEBUG_BinopExpr(EXP_OP_AND, $1, $3); }
297 | expr '^' expr { $$ = DEBUG_BinopExpr(EXP_OP_XOR, $1, $3); }
298 | expr OP_EQ expr { $$ = DEBUG_BinopExpr(EXP_OP_EQ, $1, $3); }
299 | expr '>' expr { $$ = DEBUG_BinopExpr(EXP_OP_GT, $1, $3); }
300 | expr '<' expr { $$ = DEBUG_BinopExpr(EXP_OP_LT, $1, $3); }
301 | expr OP_GE expr { $$ = DEBUG_BinopExpr(EXP_OP_GE, $1, $3); }
302 | expr OP_LE expr { $$ = DEBUG_BinopExpr(EXP_OP_LE, $1, $3); }
303 | expr OP_NE expr { $$ = DEBUG_BinopExpr(EXP_OP_NE, $1, $3); }
304 | expr OP_SHL expr { $$ = DEBUG_BinopExpr(EXP_OP_SHL, $1, $3); }
305 | expr OP_SHR expr { $$ = DEBUG_BinopExpr(EXP_OP_SHR, $1, $3); }
306 | expr '+' expr { $$ = DEBUG_BinopExpr(EXP_OP_ADD, $1, $3); }
307 | expr '-' expr { $$ = DEBUG_BinopExpr(EXP_OP_SUB, $1, $3); }
308 | expr '*' expr { $$ = DEBUG_BinopExpr(EXP_OP_MUL, $1, $3); }
309 | expr '/' expr { $$ = DEBUG_BinopExpr(EXP_OP_DIV, $1, $3); }
310 | expr '%' expr { $$ = DEBUG_BinopExpr(EXP_OP_REM, $1, $3); }
311 | '-' expr %prec OP_SIGN { $$ = DEBUG_UnopExpr(EXP_OP_NEG, $2); }
312 | '+' expr %prec OP_SIGN { $$ = $2; }
313 | '!' expr { $$ = DEBUG_UnopExpr(EXP_OP_NOT, $2); }
314 | '~' expr { $$ = DEBUG_UnopExpr(EXP_OP_LNOT, $2); }
315 | '(' expr ')' { $$ = $2; }
316 | '*' expr %prec OP_DEREF { $$ = DEBUG_UnopExpr(EXP_OP_DEREF, $2); }
317 | '&' expr %prec OP_DEREF { $$ = DEBUG_UnopExpr(EXP_OP_ADDR, $2); }
318 | type_cast expr %prec OP_DEREF { $$ = DEBUG_TypeCastExpr($1, $2); }
321 * The lvalue rule builds an expression tree. This is a limited form
322 * of expression that is suitable to be used as an lvalue.
325 lval { $$ = DEBUG_EvalExpr($1); }
329 | '*' expr { $$ = DEBUG_UnopExpr(EXP_OP_FORCE_DEREF, $2); }
332 tNUM { $$ = DEBUG_ConstExpr($1); }
333 | tINTVAR { $$ = DEBUG_IntVarExpr($1); }
334 | tIDENTIFIER { $$ = DEBUG_SymbolExpr($1); }
335 | lvalue OP_DRF tIDENTIFIER { $$ = DEBUG_StructPExpr($1, $3); }
336 | lvalue '.' tIDENTIFIER { $$ = DEBUG_StructExpr($1, $3); }
337 | lvalue '[' expr ']' { $$ = DEBUG_BinopExpr(EXP_OP_ARR, $1, $3); }
340 tIDENTIFIER { $$ = $1; }
341 | identifier '.' tIDENTIFIER { char* ptr = DBG_alloc(strlen($1) + 1 + strlen($3)+ 1);
342 sprintf(ptr, "%s.%s", $1, $3); $$ = DEBUG_MakeSymbol(ptr);
347 static void issue_prompt(void)
349 #ifdef DONT_USE_READLINE
350 DEBUG_Printf(DBG_CHN_MESG, "Wine-dbg>");
354 static void mode_command(int newmode)
358 case 16: DEBUG_CurrThread->dbg_mode = MODE_16; break;
359 case 32: DEBUG_CurrThread->dbg_mode = MODE_32; break;
360 default: DEBUG_Printf(DBG_CHN_MESG,"Invalid mode (use 16, 32 or vm86)\n");
364 void DEBUG_Exit(DWORD ec)
369 static WINE_EXCEPTION_FILTER(wine_dbg_cmd)
371 DEBUG_Printf(DBG_CHN_MESG, "\nwine_dbg_cmd: ");
372 switch (GetExceptionCode()) {
373 case DEBUG_STATUS_INTERNAL_ERROR:
374 DEBUG_Printf(DBG_CHN_MESG, "WineDbg internal error\n");
376 case DEBUG_STATUS_NO_SYMBOL:
377 DEBUG_Printf(DBG_CHN_MESG, "Undefined symbol\n");
379 case DEBUG_STATUS_DIV_BY_ZERO:
380 DEBUG_Printf(DBG_CHN_MESG, "Division by zero\n");
382 case DEBUG_STATUS_BAD_TYPE:
383 DEBUG_Printf(DBG_CHN_MESG, "No type or type mismatch\n");
385 case DEBUG_STATUS_NO_FIELD:
386 DEBUG_Printf(DBG_CHN_MESG, "No such field in structure or union\n");
389 DEBUG_Printf(DBG_CHN_MESG, "Exception %lx\n", GetExceptionCode());
393 return EXCEPTION_EXECUTE_HANDLER;
396 /***********************************************************************
399 * Debugger editline parser
401 BOOL DEBUG_Parser(void)
415 if ((ret = yyparse())) {
416 DEBUG_FlushSymbols();
418 } __EXCEPT(wine_dbg_cmd) {
429 DEBUG_Printf(DBG_CHN_MESG, "%s\n", s);