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