| %{ | 
 | /* | 
 |  * Parser for command lines in the Wine debugger | 
 |  * | 
 |  * Copyright 1993 Eric Youngdale | 
 |  * Copyright 1995 Morten Welinder | 
 |  * Copyright 2000 Eric Pouech | 
 |  */ | 
 |  | 
 | #include "config.h" | 
 |  | 
 | #include <stdio.h> | 
 | #include <stdlib.h> | 
 | #include <string.h> | 
 | #include <signal.h> | 
 | #include <unistd.h> | 
 |  | 
 | #include "wine/exception.h" | 
 | #include "debugger.h" | 
 | #include "expr.h" | 
 | #include "task.h" | 
 |  | 
 | extern FILE * yyin; | 
 |  | 
 | static void issue_prompt(void); | 
 | static void mode_command(int); | 
 | int yylex(void); | 
 | int yyerror(char *); | 
 |  | 
 | %} | 
 |  | 
 | %union | 
 | { | 
 |     DBG_VALUE        value; | 
 |     char *           string; | 
 |     int              integer; | 
 |     struct list_id   listing; | 
 |     struct expr *    expression; | 
 |     struct datatype* type; | 
 | } | 
 |  | 
 | %token tCONT tPASS tSTEP tLIST tNEXT tQUIT tHELP tBACKTRACE tINFO tWALK tUP tDOWN | 
 | %token tENABLE tDISABLE tBREAK tWATCH tDELETE tSET tMODE tPRINT tEXAM tABORT tVM86 | 
 | %token tCLASS tMAPS tMODULE tSTACK tSEGMENTS tREGS tWND tQUEUE tLOCAL | 
 | %token tPROCESS tTHREAD tMODREF tEOL | 
 | %token tFRAME tSHARE tCOND tDISPLAY tUNDISPLAY tDISASSEMBLE | 
 | %token tSTEPI tNEXTI tFINISH tSHOW tDIR tWHATIS | 
 | %token <string> tPATH | 
 | %token <string> tIDENTIFIER tSTRING tDEBUGSTR tINTVAR | 
 | %token <integer> tNUM tFORMAT | 
 | %token tSYMBOLFILE tRUN tATTACH tNOPROCESS | 
 |  | 
 | %token tCHAR tSHORT tINT tLONG tFLOAT tDOUBLE tUNSIGNED tSIGNED  | 
 | %token tSTRUCT tUNION tENUM | 
 |  | 
 | /* %left ',' */ | 
 | /* %left '=' OP_OR_EQUAL OP_XOR_EQUAL OP_AND_EQUAL OP_SHL_EQUAL \ | 
 |          OP_SHR_EQUAL OP_PLUS_EQUAL OP_MINUS_EQUAL \ | 
 |          OP_TIMES_EQUAL OP_DIVIDE_EQUAL OP_MODULO_EQUAL */ | 
 | /* %left OP_COND */ /* ... ? ... : ... */ | 
 | %left OP_LOR | 
 | %left OP_LAND | 
 | %left '|' | 
 | %left '^' | 
 | %left '&' | 
 | %left OP_EQ OP_NE | 
 | %left '<' '>' OP_LE OP_GE | 
 | %left OP_SHL OP_SHR | 
 | %left '+' '-' | 
 | %left '*' '/' '%' | 
 | %left OP_SIGN '!' '~' OP_DEREF /* OP_INC OP_DEC OP_ADDR */ | 
 | %left '.' '[' OP_DRF | 
 | %nonassoc ':' | 
 |  | 
 | %type <expression> expr lval lvalue  | 
 | %type <type> type_cast type_expr | 
 | %type <value> expr_addr lval_addr | 
 | %type <integer> expr_value | 
 | %type <string> pathname | 
 |  | 
 | %type <listing> list_arg | 
 |  | 
 | %% | 
 |  | 
 | input: line                   	{ issue_prompt(); } | 
 |     | input line                { issue_prompt(); } | 
 |  | 
 | line: command  | 
 |     | tEOL | 
 |     | error tEOL               	{ yyerrok; } | 
 |  | 
 | command: | 
 |       tQUIT tEOL		{ return FALSE; } | 
 |     | tHELP tEOL                { DEBUG_Help(); } | 
 |     | tHELP tINFO tEOL          { DEBUG_HelpInfo(); } | 
 |     | tCONT tEOL                { DEBUG_CurrThread->dbg_exec_count = 1;  | 
 | 				  DEBUG_CurrThread->dbg_exec_mode = EXEC_CONT; return TRUE; } | 
 |     | tPASS tEOL                { DEBUG_CurrThread->dbg_exec_count = 1;  | 
 | 				  DEBUG_CurrThread->dbg_exec_mode = EXEC_PASS; return TRUE; } | 
 |     | tCONT tNUM tEOL         	{ DEBUG_CurrThread->dbg_exec_count = $2;  | 
 | 				  DEBUG_CurrThread->dbg_exec_mode = EXEC_CONT; return TRUE; } | 
 |     | tSTEP tEOL               	{ DEBUG_CurrThread->dbg_exec_count = 1;  | 
 | 				  DEBUG_CurrThread->dbg_exec_mode = EXEC_STEP_INSTR; return TRUE; } | 
 |     | tNEXT tEOL                { DEBUG_CurrThread->dbg_exec_count = 1;  | 
 | 				  DEBUG_CurrThread->dbg_exec_mode = EXEC_STEP_OVER; return TRUE; } | 
 |     | tSTEP tNUM tEOL           { DEBUG_CurrThread->dbg_exec_count = $2;  | 
 | 				  DEBUG_CurrThread->dbg_exec_mode = EXEC_STEP_INSTR; return TRUE; } | 
 |     | tNEXT tNUM tEOL           { DEBUG_CurrThread->dbg_exec_count = $2;  | 
 | 				  DEBUG_CurrThread->dbg_exec_mode = EXEC_STEP_OVER; return TRUE; } | 
 |     | tSTEPI tEOL               { DEBUG_CurrThread->dbg_exec_count = 1;  | 
 | 				  DEBUG_CurrThread->dbg_exec_mode = EXEC_STEPI_INSTR; return TRUE; } | 
 |     | tNEXTI tEOL               { DEBUG_CurrThread->dbg_exec_count = 1;  | 
 | 				  DEBUG_CurrThread->dbg_exec_mode = EXEC_STEPI_OVER; return TRUE; } | 
 |     | tSTEPI tNUM tEOL          { DEBUG_CurrThread->dbg_exec_count = $2;  | 
 | 			 	  DEBUG_CurrThread->dbg_exec_mode = EXEC_STEPI_INSTR; return TRUE; } | 
 |     | tNEXTI tNUM tEOL          { DEBUG_CurrThread->dbg_exec_count = $2;  | 
 |                                   DEBUG_CurrThread->dbg_exec_mode = EXEC_STEPI_OVER; return TRUE; } | 
 |     | tABORT tEOL              	{ kill(getpid(), SIGABRT); } | 
 |     | tMODE tNUM tEOL          	{ mode_command($2); } | 
 |     | tMODE tVM86 tEOL         	{ DEBUG_CurrThread->dbg_mode = MODE_VM86; } | 
 |     | tENABLE tNUM tEOL        	{ DEBUG_EnableBreakpoint( $2, TRUE ); } | 
 |     | tDISABLE tNUM tEOL       	{ DEBUG_EnableBreakpoint( $2, FALSE ); } | 
 |     | tDELETE tBREAK tNUM tEOL 	{ DEBUG_DelBreakpoint( $3 ); } | 
 |     | tBACKTRACE tEOL	       	{ DEBUG_BackTrace(TRUE); } | 
 |     | tUP tEOL		       	{ DEBUG_SetFrame( curr_frame + 1 );  } | 
 |     | tUP tNUM tEOL	       	{ DEBUG_SetFrame( curr_frame + $2 ); } | 
 |     | tDOWN tEOL	       	{ DEBUG_SetFrame( curr_frame - 1 );  } | 
 |     | tDOWN tNUM tEOL	       	{ DEBUG_SetFrame( curr_frame - $2 ); } | 
 |     | tFRAME tNUM tEOL         	{ DEBUG_SetFrame( $2 ); } | 
 |     | tFINISH tEOL	       	{ DEBUG_CurrThread->dbg_exec_count = 0; | 
 | 				  DEBUG_CurrThread->dbg_exec_mode = EXEC_FINISH; return TRUE; } | 
 |     | tSHOW tDIR tEOL	       	{ DEBUG_ShowDir(); } | 
 |     | tDIR pathname tEOL       	{ DEBUG_AddPath( $2 ); } | 
 |     | tDIR tEOL		       	{ DEBUG_NukePath(); } | 
 |     | tDISPLAY tEOL	       	{ DEBUG_InfoDisplay(); } | 
 |     | tDISPLAY expr tEOL       	{ DEBUG_AddDisplay($2, 1, 0); } | 
 |     | tDISPLAY tFORMAT expr tEOL{ DEBUG_AddDisplay($3, $2 >> 8, $2 & 0xff); } | 
 |     | tDELETE tDISPLAY tNUM tEOL{ DEBUG_DelDisplay( $3 ); } | 
 |     | tDELETE tDISPLAY tEOL    	{ DEBUG_DelDisplay( -1 ); } | 
 |     | tUNDISPLAY tNUM tEOL     	{ DEBUG_DelDisplay( $2 ); } | 
 |     | tUNDISPLAY tEOL          	{ DEBUG_DelDisplay( -1 ); } | 
 |     | tCOND tNUM tEOL          	{ DEBUG_AddBPCondition($2, NULL); } | 
 |     | tCOND tNUM expr tEOL	{ DEBUG_AddBPCondition($2, $3); } | 
 |     | tSYMBOLFILE pathname tEOL	{ DEBUG_ReadSymbolTable($2); } | 
 |     | tWHATIS expr_addr tEOL	{ DEBUG_PrintType(&$2); DEBUG_FreeExprMem(); } | 
 |     | tATTACH tNUM tEOL		{ DEBUG_Attach($2, FALSE); return TRUE; } | 
 |     | list_command | 
 |     | disassemble_command | 
 |     | set_command | 
 |     | x_command | 
 |     | print_command | 
 |     | break_command | 
 |     | watch_command | 
 |     | info_command | 
 |     | walk_command | 
 |     | run_command | 
 |     | noprocess_state | 
 |  | 
 | set_command: | 
 |       tSET lval_addr '=' expr_value tEOL   { DEBUG_WriteMemory( &$2, $4 ); | 
 |  					     DEBUG_FreeExprMem(); } | 
 |  | 
 | pathname: | 
 |       tIDENTIFIER              { $$ = $1; } | 
 |     | tPATH		       { $$ = $1; } | 
 |  | 
 | disassemble_command: | 
 |       tDISASSEMBLE tEOL              { DEBUG_Disassemble( NULL, NULL, 10 ); } | 
 |     | tDISASSEMBLE expr_addr tEOL    { DEBUG_Disassemble( & $2, NULL, 10 ); } | 
 |     | tDISASSEMBLE expr_addr ',' expr_addr tEOL { DEBUG_Disassemble( & $2, & $4, 0 ); } | 
 |  | 
 | list_command: | 
 |       tLIST tEOL               { DEBUG_List( NULL, NULL, 10 ); } | 
 |     | tLIST '-' tEOL	       { DEBUG_List( NULL, NULL, -10 ); } | 
 |     | tLIST list_arg tEOL      { DEBUG_List( & $2, NULL, 10 ); } | 
 |     | tLIST ',' list_arg tEOL  { DEBUG_List( NULL, & $3, -10 ); } | 
 |     | tLIST list_arg ',' list_arg tEOL { DEBUG_List( & $2, & $4, 0 ); } | 
 |  | 
 | list_arg: | 
 |       tNUM		       { $$.sourcefile = NULL; $$.line = $1; } | 
 |     | pathname ':' tNUM	       { $$.sourcefile = $1; $$.line = $3; } | 
 |     | tIDENTIFIER	       { DEBUG_GetFuncInfo( & $$, NULL, $1); } | 
 |     | pathname ':' tIDENTIFIER { DEBUG_GetFuncInfo( & $$, $1, $3); } | 
 |     | '*' expr_addr	       { DEBUG_FindNearestSymbol( & $2.addr, FALSE, NULL, 0, & $$ );  | 
 |                                  DEBUG_FreeExprMem(); } | 
 |  | 
 | x_command: | 
 |       tEXAM expr_addr tEOL     { DEBUG_ExamineMemory( &$2, 1, 'x'); DEBUG_FreeExprMem(); } | 
 |     | tEXAM tFORMAT expr_addr tEOL  { DEBUG_ExamineMemory( &$3, $2>>8, $2&0xff );  | 
 |  				      DEBUG_FreeExprMem(); } | 
 |  | 
 | print_command: | 
 |       tPRINT expr_addr tEOL    { DEBUG_Print( &$2, 1, 0, 0 ); DEBUG_FreeExprMem(); } | 
 |     | tPRINT tFORMAT expr_addr tEOL { DEBUG_Print( &$3, $2 >> 8, $2 & 0xff, 0 );  | 
 |  				      DEBUG_FreeExprMem(); } | 
 |  | 
 | break_command: | 
 |       tBREAK '*' expr_addr tEOL{ DEBUG_AddBreakpoint( &$3, NULL ); DEBUG_FreeExprMem(); } | 
 |     | tBREAK tIDENTIFIER tEOL  { DEBUG_AddBreakpointFromId($2, -1); } | 
 |     | tBREAK tIDENTIFIER ':' tNUM tEOL  { DEBUG_AddBreakpointFromId($2, $4); } | 
 |     | tBREAK tNUM tEOL	       { DEBUG_AddBreakpointFromLineno($2); } | 
 |     | tBREAK tEOL              { DEBUG_AddBreakpointFromLineno(-1); } | 
 |  | 
 | watch_command: | 
 |       tWATCH '*' expr_addr tEOL { DEBUG_AddWatchpoint( &$3, 1 ); DEBUG_FreeExprMem(); } | 
 |     | tWATCH tIDENTIFIER tEOL   { DEBUG_AddWatchpointFromId($2, -1); } | 
 |  | 
 | info_command: | 
 |       tINFO tBREAK tEOL         { DEBUG_InfoBreakpoints(); } | 
 |     | tINFO tCLASS tSTRING tEOL	{ DEBUG_InfoClass( $3 ); } | 
 |     | tINFO tSHARE tEOL		{ DEBUG_InfoShare(); } | 
 |     | tINFO tMODULE expr_value tEOL   { DEBUG_DumpModule( $3 ); DEBUG_FreeExprMem(); } | 
 |     | tINFO tQUEUE expr_value tEOL    { DEBUG_DumpQueue( $3 ); DEBUG_FreeExprMem(); } | 
 |     | tINFO tREGS tEOL          { DEBUG_InfoRegisters(); } | 
 |     | tINFO tSEGMENTS expr_value tEOL { DEBUG_InfoSegments( $3, 1 ); DEBUG_FreeExprMem(); } | 
 |     | tINFO tSEGMENTS tEOL      { DEBUG_InfoSegments( 0, -1 ); } | 
 |     | tINFO tSTACK tEOL         { DEBUG_InfoStack(); } | 
 |     | tINFO tMAPS tEOL          { DEBUG_InfoVirtual(); } | 
 |     | tINFO tWND expr_value tEOL{ DEBUG_InfoWindow( (HWND)$3 ); DEBUG_FreeExprMem(); } | 
 |     | tINFO tLOCAL tEOL         { DEBUG_InfoLocals(); } | 
 |     | tINFO tDISPLAY tEOL       { DEBUG_InfoDisplay(); } | 
 |  | 
 | walk_command: | 
 |       tWALK tCLASS tEOL         { DEBUG_WalkClasses(); } | 
 |     | tWALK tMODULE tEOL        { DEBUG_WalkModules(); } | 
 |     | tWALK tQUEUE tEOL         { DEBUG_WalkQueues(); } | 
 |     | tWALK tWND tEOL           { DEBUG_WalkWindows( 0, 0 ); } | 
 |     | tWALK tWND tNUM tEOL      { DEBUG_WalkWindows( (HWND)$3, 0 ); } | 
 |     | tWALK tPROCESS tEOL       { DEBUG_WalkProcess(); } | 
 |     | tWALK tTHREAD tEOL        { DEBUG_WalkThreads(); } | 
 |     | tWALK tMODREF expr_value tEOL   { DEBUG_WalkModref( $3 ); DEBUG_FreeExprMem(); } | 
 |  | 
 | run_command: | 
 |       tRUN tEOL                 { DEBUG_Run(NULL); } | 
 |     | tRUN tSTRING tEOL         { DEBUG_Run($2); } | 
 |  | 
 | noprocess_state: | 
 |       tNOPROCESS tEOL		{} /* <CR> shall not barf anything */ | 
 |     | tNOPROCESS tSTRING tEOL	{ DEBUG_Printf(DBG_CHN_MESG, "No process loaded, cannot execute '%s'\n", $2); } | 
 |  | 
 | type_cast:  | 
 |       '(' type_expr ')'		{ $$ = $2; } | 
 |  | 
 | type_expr: | 
 |       type_expr '*'		{ $$ = DEBUG_FindOrMakePointerType($1); } | 
 |     |  tINT			{ $$ = DEBUG_TypeCast(DT_BASIC, "int"); } | 
 |     | tCHAR			{ $$ = DEBUG_TypeCast(DT_BASIC, "char"); } | 
 |     | tLONG tINT		{ $$ = DEBUG_TypeCast(DT_BASIC, "long int"); } | 
 |     | tUNSIGNED tINT		{ $$ = DEBUG_TypeCast(DT_BASIC, "unsigned int"); } | 
 |     | tLONG tUNSIGNED tINT	{ $$ = DEBUG_TypeCast(DT_BASIC, "long unsigned int"); } | 
 |     | tLONG tLONG tINT		{ $$ = DEBUG_TypeCast(DT_BASIC, "long long int"); } | 
 |     | tLONG tLONG tUNSIGNED tINT{ $$ = DEBUG_TypeCast(DT_BASIC, "long long unsigned int"); } | 
 |     | tSHORT tINT		{ $$ = DEBUG_TypeCast(DT_BASIC, "short int"); } | 
 |     | tSHORT tUNSIGNED tINT	{ $$ = DEBUG_TypeCast(DT_BASIC, "short unsigned int"); } | 
 |     | tSIGNED tCHAR		{ $$ = DEBUG_TypeCast(DT_BASIC, "signed char"); } | 
 |     | tUNSIGNED tCHAR		{ $$ = DEBUG_TypeCast(DT_BASIC, "unsigned char"); } | 
 |     | tFLOAT			{ $$ = DEBUG_TypeCast(DT_BASIC, "float"); } | 
 |     | tDOUBLE			{ $$ = DEBUG_TypeCast(DT_BASIC, "double"); } | 
 |     | tLONG tDOUBLE		{ $$ = DEBUG_TypeCast(DT_BASIC, "long double"); } | 
 |     | tSTRUCT tIDENTIFIER	{ $$ = DEBUG_TypeCast(DT_STRUCT, $2); } | 
 |     | tUNION tIDENTIFIER	{ $$ = DEBUG_TypeCast(DT_STRUCT, $2); } | 
 |     | tENUM tIDENTIFIER		{ $$ = DEBUG_TypeCast(DT_ENUM, $2); } | 
 |  | 
 | expr_addr: | 
 |       expr			{ $$ = DEBUG_EvalExpr($1); } | 
 |  | 
 | expr_value: | 
 |       expr        		{ DBG_VALUE	value = DEBUG_EvalExpr($1);  | 
 |                                   /* expr_value is typed as an integer */ | 
 |                                   $$ = DEBUG_ReadMemory(&value); } | 
 |  | 
 | /* | 
 |  * The expr rule builds an expression tree.  When we are done, we call | 
 |  * EvalExpr to evaluate the value of the expression.  The advantage of | 
 |  * the two-step approach is that it is possible to save expressions for | 
 |  * use in 'display' commands, and in conditional watchpoints. | 
 |  */ | 
 | expr: | 
 |       tNUM                       { $$ = DEBUG_ConstExpr($1); } | 
 |     | tSTRING			 { $$ = DEBUG_StringExpr($1); } | 
 |     | tINTVAR                    { $$ = DEBUG_IntVarExpr($1); } | 
 |     | tIDENTIFIER		 { $$ = DEBUG_SymbolExpr($1); } | 
 |     | expr OP_DRF tIDENTIFIER	 { $$ = DEBUG_StructPExpr($1, $3); }  | 
 |     | expr '.' tIDENTIFIER	 { $$ = DEBUG_StructExpr($1, $3); }  | 
 |     | tIDENTIFIER '(' ')'	 { $$ = DEBUG_CallExpr($1, 0); }  | 
 |     | tIDENTIFIER '(' expr ')'	 { $$ = DEBUG_CallExpr($1, 1, $3); }  | 
 |     | tIDENTIFIER '(' expr ',' expr ')'	 { $$ = DEBUG_CallExpr($1, 2, $3, $5); }  | 
 |     | tIDENTIFIER '(' expr ',' expr ',' expr ')'	 { $$ = DEBUG_CallExpr($1, 3, $3, $5, $7); }  | 
 |     | tIDENTIFIER '(' expr ',' expr ',' expr ',' expr ')'	 { $$ = DEBUG_CallExpr($1, 4, $3, $5, $7, $9); }  | 
 |     | tIDENTIFIER '(' expr ',' expr ',' expr ',' expr ',' expr ')'	 { $$ = DEBUG_CallExpr($1, 5, $3, $5, $7, $9, $11); }  | 
 |     | expr '[' expr ']'		 { $$ = DEBUG_BinopExpr(EXP_OP_ARR, $1, $3); }  | 
 |     | expr ':' expr		 { $$ = DEBUG_BinopExpr(EXP_OP_SEG, $1, $3); }  | 
 |     | expr OP_LOR expr           { $$ = DEBUG_BinopExpr(EXP_OP_LOR, $1, $3); } | 
 |     | expr OP_LAND expr          { $$ = DEBUG_BinopExpr(EXP_OP_LAND, $1, $3); } | 
 |     | expr '|' expr              { $$ = DEBUG_BinopExpr(EXP_OP_OR, $1, $3); } | 
 |     | expr '&' expr              { $$ = DEBUG_BinopExpr(EXP_OP_AND, $1, $3); } | 
 |     | expr '^' expr              { $$ = DEBUG_BinopExpr(EXP_OP_XOR, $1, $3); } | 
 |     | expr OP_EQ expr            { $$ = DEBUG_BinopExpr(EXP_OP_EQ, $1, $3); } | 
 |     | expr '>' expr              { $$ = DEBUG_BinopExpr(EXP_OP_GT, $1, $3); } | 
 |     | expr '<' expr              { $$ = DEBUG_BinopExpr(EXP_OP_LT, $1, $3); } | 
 |     | expr OP_GE expr            { $$ = DEBUG_BinopExpr(EXP_OP_GE, $1, $3); } | 
 |     | expr OP_LE expr            { $$ = DEBUG_BinopExpr(EXP_OP_LE, $1, $3); } | 
 |     | expr OP_NE expr            { $$ = DEBUG_BinopExpr(EXP_OP_NE, $1, $3); } | 
 |     | expr OP_SHL expr           { $$ = DEBUG_BinopExpr(EXP_OP_SHL, $1, $3); } | 
 |     | expr OP_SHR expr           { $$ = DEBUG_BinopExpr(EXP_OP_SHR, $1, $3); } | 
 |     | expr '+' expr              { $$ = DEBUG_BinopExpr(EXP_OP_ADD, $1, $3); } | 
 |     | expr '-' expr              { $$ = DEBUG_BinopExpr(EXP_OP_SUB, $1, $3); } | 
 |     | expr '*' expr              { $$ = DEBUG_BinopExpr(EXP_OP_MUL, $1, $3); } | 
 |     | expr '/' expr              { $$ = DEBUG_BinopExpr(EXP_OP_DIV, $1, $3); } | 
 |     | expr '%' expr              { $$ = DEBUG_BinopExpr(EXP_OP_REM, $1, $3); } | 
 |     | '-' expr %prec OP_SIGN     { $$ = DEBUG_UnopExpr(EXP_OP_NEG, $2); } | 
 |     | '+' expr %prec OP_SIGN     { $$ = $2; } | 
 |     | '!' expr                   { $$ = DEBUG_UnopExpr(EXP_OP_NOT, $2); } | 
 |     | '~' expr                   { $$ = DEBUG_UnopExpr(EXP_OP_LNOT, $2); } | 
 |     | '(' expr ')'               { $$ = $2; } | 
 |     | '*' expr %prec OP_DEREF    { $$ = DEBUG_UnopExpr(EXP_OP_DEREF, $2); } | 
 |     | '&' expr %prec OP_DEREF    { $$ = DEBUG_UnopExpr(EXP_OP_ADDR, $2); } | 
 |     | type_cast expr %prec OP_DEREF { $$ = DEBUG_TypeCastExpr($1, $2); }  | 
 | 	 | 
 | /* | 
 |  * The lvalue rule builds an expression tree.  This is a limited form | 
 |  * of expression that is suitable to be used as an lvalue. | 
 |  */ | 
 | lval_addr: | 
 |     lval			 { $$ = DEBUG_EvalExpr($1); } | 
 |  | 
 | lval: | 
 |       lvalue                     { $$ = $1; } | 
 |     | '*' expr			 { $$ = DEBUG_UnopExpr(EXP_OP_FORCE_DEREF, $2); } | 
 | 	 | 
 | lvalue: | 
 |       tNUM                       { $$ = DEBUG_ConstExpr($1); } | 
 |     | tINTVAR                    { $$ = DEBUG_IntVarExpr($1); } | 
 |     | tIDENTIFIER		 { $$ = DEBUG_SymbolExpr($1); } | 
 |     | lvalue OP_DRF tIDENTIFIER	 { $$ = DEBUG_StructPExpr($1, $3); }  | 
 |     | lvalue '.' tIDENTIFIER	 { $$ = DEBUG_StructExpr($1, $3); }  | 
 |     | lvalue '[' expr ']'	 { $$ = DEBUG_BinopExpr(EXP_OP_ARR, $1, $3); }  | 
 | 	 | 
 | %% | 
 |  | 
 | static void issue_prompt(void) | 
 | { | 
 | #ifdef DONT_USE_READLINE | 
 |    DEBUG_Printf(DBG_CHN_MESG, "Wine-dbg>"); | 
 | #endif | 
 | } | 
 |  | 
 | static void mode_command(int newmode) | 
 | { | 
 |     switch(newmode) | 
 |     { | 
 |     case 16: DEBUG_CurrThread->dbg_mode = MODE_16; break; | 
 |     case 32: DEBUG_CurrThread->dbg_mode = MODE_32; break; | 
 |     default: DEBUG_Printf(DBG_CHN_MESG,"Invalid mode (use 16, 32 or vm86)\n"); | 
 |     } | 
 | } | 
 |  | 
 | void DEBUG_Exit(DWORD ec) | 
 | { | 
 |    ExitProcess(ec); | 
 | } | 
 |  | 
 | static WINE_EXCEPTION_FILTER(wine_dbg_cmd) | 
 | { | 
 |    DEBUG_Printf(DBG_CHN_MESG, "\nwine_dbg_cmd: "); | 
 |    switch (GetExceptionCode()) { | 
 |    case DEBUG_STATUS_INTERNAL_ERROR: | 
 |       DEBUG_Printf(DBG_CHN_MESG, "WineDbg internal error\n"); | 
 |       break; | 
 |    case DEBUG_STATUS_NO_SYMBOL: | 
 |       DEBUG_Printf(DBG_CHN_MESG, "Undefined symbol\n"); | 
 |       break; | 
 |    case DEBUG_STATUS_DIV_BY_ZERO: | 
 |       DEBUG_Printf(DBG_CHN_MESG, "Division by zero\n"); | 
 |       break; | 
 |    case DEBUG_STATUS_BAD_TYPE: | 
 |       DEBUG_Printf(DBG_CHN_MESG, "No type or type mismatch\n"); | 
 |       break; | 
 |    default: | 
 |       DEBUG_Printf(DBG_CHN_MESG, "Exception %lx\n", GetExceptionCode()); | 
 |       break; | 
 |    } | 
 |  | 
 |    return EXCEPTION_EXECUTE_HANDLER; | 
 | } | 
 |  | 
 | /*********************************************************************** | 
 |  *           DEBUG_Parser | 
 |  * | 
 |  * Debugger editline parser | 
 |  */ | 
 | BOOL	DEBUG_Parser(void) | 
 | { | 
 |     BOOL 	ret_ok; | 
 |     BOOL	ret = TRUE; | 
 | #ifdef YYDEBUG | 
 |     yydebug = 0; | 
 | #endif | 
 |     yyin = stdin; | 
 |  | 
 |     ret_ok = FALSE; | 
 |     do { | 
 |        __TRY { | 
 | 	  issue_prompt(); | 
 | 	  ret_ok = TRUE; | 
 | 	  if ((ret = yyparse())) { | 
 | 	     DEBUG_FlushSymbols(); | 
 | 	  } | 
 |        } __EXCEPT(wine_dbg_cmd) { | 
 | 	  ret_ok = FALSE; | 
 |        } | 
 |        __ENDTRY; | 
 |         | 
 |     } while (!ret_ok); | 
 |     return ret; | 
 | } | 
 |  | 
 | int yyerror(char* s) | 
 | { | 
 |    DEBUG_Printf(DBG_CHN_MESG, "%s\n", s); | 
 |    return 0; | 
 | } |