586 lines
24 KiB
Plaintext
586 lines
24 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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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <stdlib.h>
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#include <string.h>
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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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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int yylex(void);
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int yyerror(const char*);
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%}
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%union
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{
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struct dbg_lvalue lvalue;
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char* string;
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int integer;
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IMAGEHLP_LINE listing;
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struct expr* expression;
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struct type_expr_t type;
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}
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%token tCONT tPASS tSTEP tLIST tNEXT tQUIT tHELP tBACKTRACE tALL tINFO 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 tSTACK tSEGMENTS tSYMBOL tREGS tWND tQUEUE tLOCAL tEXCEPTION
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%token tPROCESS tTHREAD tMODREF tEOL tEOF
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%token tFRAME tSHARE tCOND tDISPLAY tUNDISPLAY tDISASSEMBLE
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%token tSTEPI tNEXTI tFINISH tSHOW tDIR tWHATIS tSOURCE
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%token <string> tPATH tIDENTIFIER tSTRING tDEBUGSTR tINTVAR
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%token <integer> tNUM tFORMAT
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%token tSYMBOLFILE tRUN tATTACH tDETACH tMAINTENANCE tTYPE tMINIDUMP
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%token 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 OP_SCOPE
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%nonassoc ':'
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%type <expression> expr lvalue
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%type <lvalue> expr_lvalue lvalue_addr
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%type <integer> expr_rvalue
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%type <string> pathname identifier
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%type <listing> list_arg
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%type <type> type_expr
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%%
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input:
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line
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| input line
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;
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line:
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command tEOL { expr_free_all(); }
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| tEOL
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| tEOF { return 1; }
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| error tEOL { yyerrok; expr_free_all(); }
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;
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command:
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tQUIT { return 1; }
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| tHELP { print_help(); }
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| tHELP tINFO { info_help(); }
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| tPASS { dbg_wait_next_exception(DBG_EXCEPTION_NOT_HANDLED, 0, 0); }
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| tCONT { dbg_wait_next_exception(DBG_CONTINUE, 1, dbg_exec_cont); }
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| tCONT tNUM { dbg_wait_next_exception(DBG_CONTINUE, $2, dbg_exec_cont); }
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| tSTEP { dbg_wait_next_exception(DBG_CONTINUE, 1, dbg_exec_step_into_line); }
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| tSTEP tNUM { dbg_wait_next_exception(DBG_CONTINUE, $2, dbg_exec_step_into_line); }
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| tNEXT { dbg_wait_next_exception(DBG_CONTINUE, 1, dbg_exec_step_over_line); }
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| tNEXT tNUM { dbg_wait_next_exception(DBG_CONTINUE, $2, dbg_exec_step_over_line); }
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| tSTEPI { dbg_wait_next_exception(DBG_CONTINUE, 1, dbg_exec_step_into_insn); }
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| tSTEPI tNUM { dbg_wait_next_exception(DBG_CONTINUE, $2, dbg_exec_step_into_insn); }
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| tNEXTI { dbg_wait_next_exception(DBG_CONTINUE, 1, dbg_exec_step_over_insn); }
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| tNEXTI tNUM { dbg_wait_next_exception(DBG_CONTINUE, $2, dbg_exec_step_over_insn); }
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| tFINISH { dbg_wait_next_exception(DBG_CONTINUE, 0, dbg_exec_finish); }
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| tABORT { abort(); }
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| tBACKTRACE { stack_backtrace(dbg_curr_tid, TRUE); }
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| tBACKTRACE tNUM { stack_backtrace($2, TRUE); }
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| tBACKTRACE tALL { stack_backtrace(-1, TRUE); }
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| tUP { stack_set_frame(dbg_curr_frame + 1); }
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| tUP tNUM { stack_set_frame(dbg_curr_frame + $2); }
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| tDOWN { stack_set_frame(dbg_curr_frame - 1); }
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| tDOWN tNUM { stack_set_frame(dbg_curr_frame - $2); }
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| tFRAME tNUM { stack_set_frame($2); }
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| tSHOW tDIR { source_show_path(); }
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| tDIR pathname { source_add_path($2); }
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| tDIR { source_nuke_path(); }
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| tCOND tNUM { break_add_condition($2, NULL); }
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| tCOND tNUM expr { break_add_condition($2, $3); }
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| tSOURCE pathname { parser($2); }
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| tSYMBOLFILE pathname { symbol_read_symtable($2, 0); }
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| tSYMBOLFILE pathname expr_rvalue { symbol_read_symtable($2, $3); }
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| tWHATIS expr_lvalue { types_print_type(&$2.type, FALSE); dbg_printf("\n"); }
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| tATTACH tNUM { dbg_attach_debuggee($2, FALSE, TRUE); }
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| tDETACH { dbg_detach_debuggee(); }
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| tMINIDUMP pathname { minidump_write($2, (dbg_curr_thread && dbg_curr_thread->in_exception) ? &dbg_curr_thread->excpt_record : NULL);}
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| run_command
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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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| display_command
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| info_command
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| maintenance_command
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| noprocess_state
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;
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pathname:
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identifier { $$ = $1; }
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| tSTRING { $$ = $1; }
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| tPATH { $$ = $1; }
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;
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identifier:
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tIDENTIFIER { $$ = $1; }
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| tPATH '!' tIDENTIFIER { $$ = lexeme_alloc_size(strlen($1) + 1 + strlen($3) + 1);
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sprintf($$, "%s!%s", $1, $3); }
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| identifier OP_SCOPE tIDENTIFIER { $$ = lexeme_alloc_size(strlen($1) + 2 + strlen($3) + 1);
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sprintf($$, "%s::%s", $1, $3); }
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;
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list_arg:
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tNUM { $$.FileName = NULL; $$.LineNumber = $1; }
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| pathname ':' tNUM { $$.FileName = $1; $$.LineNumber = $3; }
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| identifier { symbol_get_line(NULL, $1, &$$); }
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| pathname ':' identifier { symbol_get_line($3, $1, &$$); }
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| '*' expr_lvalue { DWORD disp; $$.SizeOfStruct = sizeof($$);
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SymGetLineFromAddr(dbg_curr_process->handle, (unsigned long)memory_to_linear_addr(& $2.addr), &disp, & $$); }
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;
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run_command:
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tRUN { dbg_run_debuggee(NULL); }
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| tRUN tSTRING { dbg_run_debuggee($2); }
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;
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list_command:
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tLIST { source_list(NULL, NULL, 10); }
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| tLIST '-' { source_list(NULL, NULL, -10); }
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| tLIST list_arg { source_list(& $2, NULL, 10); }
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| tLIST ',' list_arg { source_list(NULL, & $3, -10); }
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| tLIST list_arg ',' list_arg { source_list(& $2, & $4, 0); }
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;
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disassemble_command:
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tDISASSEMBLE { memory_disassemble(NULL, NULL, 10); }
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| tDISASSEMBLE expr_lvalue { memory_disassemble(&$2, NULL, 10); }
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| tDISASSEMBLE expr_lvalue ',' expr_lvalue { memory_disassemble(&$2, &$4, 0); }
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;
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set_command:
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tSET lvalue_addr '=' expr_rvalue { memory_write_value(&$2, sizeof(int), &$4); }
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| tSET '+' tIDENTIFIER { info_wine_dbg_channel(TRUE, NULL, $3); }
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| tSET '-' tIDENTIFIER { info_wine_dbg_channel(FALSE, NULL, $3); }
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| tSET tIDENTIFIER '+' tIDENTIFIER { info_wine_dbg_channel(TRUE, $2, $4); }
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| tSET tIDENTIFIER '-' tIDENTIFIER { info_wine_dbg_channel(FALSE, $2, $4); }
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;
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x_command:
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tEXAM expr_lvalue { memory_examine(&$2, 1, 'x'); }
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| tEXAM tFORMAT expr_lvalue { memory_examine(&$3, $2 >> 8, $2 & 0xff); }
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;
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print_command:
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tPRINT expr_lvalue { print_value(&$2, 0, 0); }
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| tPRINT tFORMAT expr_lvalue { if (($2 >> 8) == 1) print_value(&$3, $2 & 0xff, 0); else dbg_printf("Count is meaningless in print command\n"); }
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;
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break_command:
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tBREAK '*' expr_lvalue { break_add_break_from_lvalue(&$3); }
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| tBREAK identifier { break_add_break_from_id($2, -1); }
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| tBREAK identifier ':' tNUM { break_add_break_from_id($2, $4); }
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| tBREAK tNUM { break_add_break_from_lineno($2); }
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| tBREAK { break_add_break_from_lineno(-1); }
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| tENABLE tNUM { break_enable_xpoint($2, TRUE); }
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| tENABLE tBREAK tNUM { break_enable_xpoint($3, TRUE); }
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| tDISABLE tNUM { break_enable_xpoint($2, FALSE); }
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| tDISABLE tBREAK tNUM { break_enable_xpoint($3, FALSE); }
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| tDELETE tNUM { break_delete_xpoint($2); }
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| tDELETE tBREAK tNUM { break_delete_xpoint($3); }
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;
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watch_command:
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tWATCH '*' expr_lvalue { break_add_watch_from_lvalue(&$3); }
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| tWATCH identifier { break_add_watch_from_id($2); }
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;
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display_command:
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tDISPLAY { display_print(); }
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| tDISPLAY expr { display_add($2, 1, 0); }
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| tDISPLAY tFORMAT expr { display_add($3, $2 >> 8, $2 & 0xff); }
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| tENABLE tDISPLAY tNUM { display_enable($3, TRUE); }
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| tDISABLE tDISPLAY tNUM { display_enable($3, FALSE); }
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| tDELETE tDISPLAY tNUM { display_delete($3); }
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| tDELETE tDISPLAY { display_delete(-1); }
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| tUNDISPLAY tNUM { display_delete($2); }
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| tUNDISPLAY { display_delete(-1); }
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;
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info_command:
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tINFO tBREAK { break_info(); }
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| tINFO tSHARE { info_win32_module(0); }
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| tINFO tSHARE expr_rvalue { info_win32_module($3); }
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| tINFO tREGS { be_cpu->print_context(dbg_curr_thread->handle, &dbg_context); }
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| tINFO tSEGMENTS expr_rvalue { info_win32_segments($3 >> 3, 1); }
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| tINFO tSEGMENTS { info_win32_segments(0, -1); }
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| tINFO tSTACK { stack_info(); }
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| tINFO tSYMBOL tSTRING { symbol_info($3); }
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| tINFO tLOCAL { symbol_info_locals(); }
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| tINFO tDISPLAY { display_info(); }
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| tINFO tCLASS { info_win32_class(NULL, NULL); }
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| tINFO tCLASS tSTRING { info_win32_class(NULL, $3); }
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| tINFO tWND { info_win32_window(NULL, FALSE); }
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| tINFO tWND expr_rvalue { info_win32_window((HWND)$3, FALSE); }
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| tINFO '*' tWND { info_win32_window(NULL, TRUE); }
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| tINFO '*' tWND expr_rvalue { info_win32_window((HWND)$4, TRUE); }
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| tINFO tPROCESS { info_win32_processes(); }
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| tINFO tTHREAD { info_win32_threads(); }
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| tINFO tEXCEPTION { info_win32_exceptions(dbg_curr_tid); }
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| tINFO tEXCEPTION expr_rvalue { info_win32_exceptions($3); }
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| tINFO tMAPS { info_win32_virtual(dbg_curr_pid); }
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| tINFO tMAPS expr_rvalue { info_win32_virtual($3); }
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;
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maintenance_command:
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tMAINTENANCE tTYPE { print_types(); }
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;
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noprocess_state:
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tNOPROCESS {} /* <CR> shall not barf anything */
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| tNOPROCESS tBACKTRACE tALL { stack_backtrace(-1, TRUE); } /* can backtrace all threads with no attached process */
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| tNOPROCESS tSTRING { dbg_printf("No process loaded, cannot execute '%s'\n", $2); }
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;
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type_expr:
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tCHAR { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_char; }
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| tINT { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_signed_int; }
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| tLONG tINT { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_signed_long_int; }
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| tLONG { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_signed_long_int; }
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| tUNSIGNED tINT { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_unsigned_int; }
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| tUNSIGNED { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_unsigned_int; }
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| tLONG tUNSIGNED tINT { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_unsigned_long_int; }
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| tLONG tUNSIGNED { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_unsigned_long_int; }
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| tSHORT tINT { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_signed_short_int; }
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| tSHORT { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_signed_short_int; }
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| tSHORT tUNSIGNED tINT { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_unsigned_short_int; }
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| tSHORT tUNSIGNED { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_unsigned_short_int; }
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| tSIGNED tCHAR { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_signed_char_int; }
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| tUNSIGNED tCHAR { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_unsigned_char_int; }
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| tLONG tLONG tUNSIGNED tINT{ $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_unsigned_longlong_int; }
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| tLONG tLONG tUNSIGNED { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_unsigned_longlong_int; }
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| tLONG tLONG tINT { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_signed_longlong_int; }
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| tLONG tLONG { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_signed_longlong_int; }
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| tFLOAT { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_short_real; }
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| tDOUBLE { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_real; }
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| tLONG tDOUBLE { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_long_real; }
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| type_expr '*' { $$ = $1; $$.deref_count++; }
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| tCLASS identifier { $$.type = type_expr_udt_class; $$.deref_count = 0; $$.u.name = $2; }
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| tSTRUCT identifier { $$.type = type_expr_udt_struct; $$.deref_count = 0; $$.u.name = $2; }
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| tUNION identifier { $$.type = type_expr_udt_union; $$.deref_count = 0; $$.u.name = $2; }
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| tENUM identifier { $$.type = type_expr_enumeration; $$.deref_count = 0; $$.u.name = $2; }
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;
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expr_lvalue:
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expr { $$ = expr_eval($1); }
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;
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expr_rvalue:
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expr_lvalue { $$ = types_extract_as_integer(&$1); }
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;
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/*
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* The expr rule builds an expression tree. When we are done, we call
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* EvalExpr to evaluate the value of the expression. The advantage of
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* the two-step approach is that it is possible to save expressions for
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* use in 'display' commands, and in conditional watchpoints.
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*/
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expr:
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tNUM { $$ = expr_alloc_sconstant($1); }
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| tSTRING { $$ = expr_alloc_string($1); }
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| tINTVAR { $$ = expr_alloc_internal_var($1); }
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| identifier { $$ = expr_alloc_symbol($1); }
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| expr OP_DRF tIDENTIFIER { $$ = expr_alloc_pstruct($1, $3); }
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| expr '.' tIDENTIFIER { $$ = expr_alloc_struct($1, $3); }
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| identifier '(' ')' { $$ = expr_alloc_func_call($1, 0); }
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| identifier '(' expr ')' { $$ = expr_alloc_func_call($1, 1, $3); }
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| identifier '(' expr ',' expr ')' { $$ = expr_alloc_func_call($1, 2, $3, $5); }
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| identifier '(' expr ',' expr ',' expr ')' { $$ = expr_alloc_func_call($1, 3, $3, $5, $7); }
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| identifier '(' expr ',' expr ',' expr ',' expr ')' { $$ = expr_alloc_func_call($1, 4, $3, $5, $7, $9); }
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| identifier '(' expr ',' expr ',' expr ',' expr ',' expr ')' { $$ = expr_alloc_func_call($1, 5, $3, $5, $7, $9, $11); }
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| expr '[' expr ']' { $$ = expr_alloc_binary_op(EXP_OP_ARR, $1, $3); }
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| expr ':' expr { $$ = expr_alloc_binary_op(EXP_OP_SEG, $1, $3); }
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| expr OP_LOR expr { $$ = expr_alloc_binary_op(EXP_OP_LOR, $1, $3); }
|
|
| expr OP_LAND expr { $$ = expr_alloc_binary_op(EXP_OP_LAND, $1, $3); }
|
|
| expr '|' expr { $$ = expr_alloc_binary_op(EXP_OP_OR, $1, $3); }
|
|
| expr '&' expr { $$ = expr_alloc_binary_op(EXP_OP_AND, $1, $3); }
|
|
| expr '^' expr { $$ = expr_alloc_binary_op(EXP_OP_XOR, $1, $3); }
|
|
| expr OP_EQ expr { $$ = expr_alloc_binary_op(EXP_OP_EQ, $1, $3); }
|
|
| expr '>' expr { $$ = expr_alloc_binary_op(EXP_OP_GT, $1, $3); }
|
|
| expr '<' expr { $$ = expr_alloc_binary_op(EXP_OP_LT, $1, $3); }
|
|
| expr OP_GE expr { $$ = expr_alloc_binary_op(EXP_OP_GE, $1, $3); }
|
|
| expr OP_LE expr { $$ = expr_alloc_binary_op(EXP_OP_LE, $1, $3); }
|
|
| expr OP_NE expr { $$ = expr_alloc_binary_op(EXP_OP_NE, $1, $3); }
|
|
| expr OP_SHL expr { $$ = expr_alloc_binary_op(EXP_OP_SHL, $1, $3); }
|
|
| expr OP_SHR expr { $$ = expr_alloc_binary_op(EXP_OP_SHR, $1, $3); }
|
|
| expr '+' expr { $$ = expr_alloc_binary_op(EXP_OP_ADD, $1, $3); }
|
|
| expr '-' expr { $$ = expr_alloc_binary_op(EXP_OP_SUB, $1, $3); }
|
|
| expr '*' expr { $$ = expr_alloc_binary_op(EXP_OP_MUL, $1, $3); }
|
|
| expr '/' expr { $$ = expr_alloc_binary_op(EXP_OP_DIV, $1, $3); }
|
|
| expr '%' expr { $$ = expr_alloc_binary_op(EXP_OP_REM, $1, $3); }
|
|
| '-' expr %prec OP_SIGN { $$ = expr_alloc_unary_op(EXP_OP_NEG, $2); }
|
|
| '+' expr %prec OP_SIGN { $$ = $2; }
|
|
| '!' expr { $$ = expr_alloc_unary_op(EXP_OP_NOT, $2); }
|
|
| '~' expr { $$ = expr_alloc_unary_op(EXP_OP_LNOT, $2); }
|
|
| '(' expr ')' { $$ = $2; }
|
|
| '*' expr %prec OP_DEREF { $$ = expr_alloc_unary_op(EXP_OP_DEREF, $2); }
|
|
| '&' expr %prec OP_DEREF { $$ = expr_alloc_unary_op(EXP_OP_ADDR, $2); }
|
|
| '(' type_expr ')' expr %prec OP_DEREF { $$ = expr_alloc_typecast(&$2, $4); }
|
|
;
|
|
|
|
/*
|
|
* The lvalue rule builds an expression tree. This is a limited form
|
|
* of expression that is suitable to be used as an lvalue.
|
|
*/
|
|
lvalue_addr:
|
|
lvalue { $$ = expr_eval($1); }
|
|
;
|
|
|
|
lvalue:
|
|
tNUM { $$ = expr_alloc_sconstant($1); }
|
|
| tINTVAR { $$ = expr_alloc_internal_var($1); }
|
|
| identifier { $$ = expr_alloc_symbol($1); }
|
|
| lvalue OP_DRF tIDENTIFIER { $$ = expr_alloc_pstruct($1, $3); }
|
|
| lvalue '.' tIDENTIFIER { $$ = expr_alloc_struct($1, $3); }
|
|
| lvalue '[' expr ']' { $$ = expr_alloc_binary_op(EXP_OP_ARR, $1, $3); }
|
|
| '*' expr { $$ = expr_alloc_unary_op(EXP_OP_FORCE_DEREF, $2); }
|
|
;
|
|
|
|
%%
|
|
|
|
static WINE_EXCEPTION_FILTER(wine_dbg_cmd)
|
|
{
|
|
switch (GetExceptionCode())
|
|
{
|
|
case DEBUG_STATUS_INTERNAL_ERROR:
|
|
dbg_printf("\nWineDbg internal error\n");
|
|
break;
|
|
case DEBUG_STATUS_NO_SYMBOL:
|
|
dbg_printf("\nUndefined symbol\n");
|
|
break;
|
|
case DEBUG_STATUS_DIV_BY_ZERO:
|
|
dbg_printf("\nDivision by zero\n");
|
|
break;
|
|
case DEBUG_STATUS_BAD_TYPE:
|
|
dbg_printf("\nNo type or type mismatch\n");
|
|
break;
|
|
case DEBUG_STATUS_NO_FIELD:
|
|
dbg_printf("\nNo such field in structure or union\n");
|
|
break;
|
|
case DEBUG_STATUS_CANT_DEREF:
|
|
dbg_printf("\nDereference failed (not a pointer, or out of array bounds)\n");
|
|
break;
|
|
case DEBUG_STATUS_ABORT:
|
|
break;
|
|
case DEBUG_STATUS_NOT_AN_INTEGER:
|
|
dbg_printf("\nNeeding an integral value\n");
|
|
break;
|
|
case CONTROL_C_EXIT:
|
|
/* this is generally sent by a ctrl-c when we run winedbg outside of wineconsole */
|
|
/* stop the debuggee, and continue debugger execution, we will be reentered by the
|
|
* debug events generated by stopping
|
|
*/
|
|
dbg_interrupt_debuggee();
|
|
return EXCEPTION_CONTINUE_EXECUTION;
|
|
default:
|
|
dbg_printf("\nException %lx\n", GetExceptionCode());
|
|
break;
|
|
}
|
|
|
|
return EXCEPTION_EXECUTE_HANDLER;
|
|
}
|
|
|
|
#ifndef whitespace
|
|
#define whitespace(c) (((c) == ' ') || ((c) == '\t'))
|
|
#endif
|
|
|
|
/* Strip whitespace from the start and end of STRING. */
|
|
static void stripwhite(char *string)
|
|
{
|
|
int i, last;
|
|
|
|
for (i = 0; whitespace(string[i]); i++);
|
|
if (i) strcpy(string, string + i);
|
|
|
|
last = i = strlen(string) - 1;
|
|
if (string[last] == '\n') i--;
|
|
|
|
while (i > 0 && whitespace(string[i])) i--;
|
|
if (string[last] == '\n')
|
|
string[++i] = '\n';
|
|
string[++i] = '\0';
|
|
}
|
|
|
|
static HANDLE dbg_parser_input;
|
|
static HANDLE dbg_parser_output;
|
|
|
|
/* command passed in the command line arguments */
|
|
char *arg_command = NULL;
|
|
|
|
int input_fetch_entire_line(const char* pfx, char** line, size_t* alloc, BOOL check_nl)
|
|
{
|
|
char buf_line[256];
|
|
DWORD nread, nwritten;
|
|
size_t len;
|
|
|
|
if (arg_command) {
|
|
/* we only run one command before exiting */
|
|
const char q[] = "quit\n";
|
|
*line = arg_command;
|
|
arg_command = HeapAlloc(GetProcessHeap(), 0, sizeof q);
|
|
lstrcpyA(arg_command, q);
|
|
return 1;
|
|
}
|
|
|
|
/* as of today, console handles can be file handles... so better use file APIs rather than
|
|
* console's
|
|
*/
|
|
WriteFile(dbg_parser_output, pfx, strlen(pfx), &nwritten, NULL);
|
|
|
|
len = 0;
|
|
do
|
|
{
|
|
if (!ReadFile(dbg_parser_input, buf_line, sizeof(buf_line) - 1, &nread, NULL) || nread == 0)
|
|
break;
|
|
buf_line[nread] = '\0';
|
|
|
|
if (check_nl && len == 0 && nread == 1 && buf_line[0] == '\n')
|
|
return 0;
|
|
|
|
/* store stuff at the end of last_line */
|
|
if (len + nread + 1 > *alloc)
|
|
{
|
|
while (len + nread + 1 > *alloc) *alloc *= 2;
|
|
*line = dbg_heap_realloc(*line, *alloc);
|
|
}
|
|
strcpy(*line + len, buf_line);
|
|
len += nread;
|
|
} while (nread == 0 || buf_line[nread - 1] != '\n');
|
|
|
|
if (!len)
|
|
{
|
|
*line = HeapReAlloc(GetProcessHeap(), 0, *line, *alloc = 1);
|
|
**line = '\0';
|
|
}
|
|
|
|
/* Remove leading and trailing whitespace from the line */
|
|
stripwhite(*line);
|
|
return 1;
|
|
}
|
|
|
|
int input_read_line(const char* pfx, char* buf, int size)
|
|
{
|
|
char* line = NULL;
|
|
size_t len = 0;
|
|
|
|
/* first alloc of our current buffer */
|
|
line = HeapAlloc(GetProcessHeap(), 0, len = 2);
|
|
assert(line);
|
|
line[0] = '\n';
|
|
line[1] = '\0';
|
|
|
|
input_fetch_entire_line(pfx, &line, &len, FALSE);
|
|
len = strlen(line);
|
|
/* remove trailing \n */
|
|
if (len > 0 && line[len - 1] == '\n') len--;
|
|
len = min(size - 1, len);
|
|
memcpy(buf, line, len);
|
|
buf[len] = '\0';
|
|
HeapFree(GetProcessHeap(), 0, line);
|
|
return 1;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* parser
|
|
*
|
|
* Debugger command line parser
|
|
*/
|
|
void parser(const char* filename)
|
|
{
|
|
BOOL ret_ok;
|
|
HANDLE in_copy = dbg_parser_input;
|
|
HANDLE out_copy = dbg_parser_output;
|
|
|
|
#ifdef YYDEBUG
|
|
yydebug = 0;
|
|
#endif
|
|
|
|
ret_ok = FALSE;
|
|
|
|
if (filename)
|
|
{
|
|
HANDLE h = CreateFile(filename, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0L, 0);
|
|
if (h == INVALID_HANDLE_VALUE) return;
|
|
dbg_parser_output = 0;
|
|
dbg_parser_input = h;
|
|
}
|
|
else
|
|
{
|
|
dbg_parser_output = GetStdHandle(STD_OUTPUT_HANDLE);
|
|
dbg_parser_input = GetStdHandle(STD_INPUT_HANDLE);
|
|
}
|
|
|
|
do
|
|
{
|
|
__TRY
|
|
{
|
|
ret_ok = TRUE;
|
|
yyparse();
|
|
}
|
|
__EXCEPT(wine_dbg_cmd)
|
|
{
|
|
ret_ok = FALSE;
|
|
}
|
|
__ENDTRY;
|
|
lexeme_flush();
|
|
} while (!ret_ok);
|
|
|
|
if (filename) CloseHandle(dbg_parser_input);
|
|
dbg_parser_input = in_copy;
|
|
dbg_parser_output = out_copy;
|
|
}
|
|
|
|
int yyerror(const char* s)
|
|
{
|
|
dbg_printf("%s\n", s);
|
|
return 0;
|
|
}
|