653 lines
27 KiB
Plaintext
653 lines
27 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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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 "debugger.h"
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#include "wine/exception.h"
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#include "expr.h"
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int dbg_lex(void);
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static int dbg_error(const char*);
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static void parser(const char*);
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%}
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%define api.prefix {dbg_}
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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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dbg_lgint_t integer;
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IMAGEHLP_LINE64 listing;
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struct expr* expression;
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struct type_expr_t type;
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struct list_string* strings;
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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 tHBREAK tWATCH tRWATCH tDELETE tSET tPRINT tEXAM
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%token tABORT tECHO
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%token tCLASS tMAPS tSTACK tSEGMENTS tSYMBOL tREGS tALLREGS tWND tLOCAL tEXCEPTION
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%token tPROCESS tTHREAD tEOL tEOF
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%token tFRAME tSHARE tMODULE 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 tINTVAR
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%token <integer> tNUM tFORMAT
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%token tSYMBOLFILE tRUN tATTACH tDETACH tKILL 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
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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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%type <strings> list_of_words
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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); }
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| tBACKTRACE tNUM { stack_backtrace($2); }
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| tBACKTRACE tALL { stack_backtrace(-1); }
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| tUP { stack_set_frame(dbg_curr_thread->curr_frame + 1); }
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| tUP tNUM { stack_set_frame(dbg_curr_thread->curr_frame + $2); }
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| tDOWN { stack_set_frame(dbg_curr_thread->curr_frame - 1); }
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| tDOWN tNUM { stack_set_frame(dbg_curr_thread->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(dbg_curr_process); }
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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 { dbg_printf("type = "); types_print_type(&$2.type, FALSE); dbg_printf("\n"); }
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| tATTACH tNUM { dbg_attach_debuggee($2); dbg_active_wait_for_first_exception(); }
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| tDETACH { dbg_curr_process->process_io->close_process(dbg_curr_process, FALSE); }
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| tTHREAD tNUM { dbg_set_curr_thread($2); }
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| tKILL { dbg_curr_process->process_io->close_process(dbg_curr_process, TRUE); }
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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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| tECHO tSTRING { dbg_printf("%s\n", $2); }
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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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;
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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, &$$); }
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| pathname ':' identifier { symbol_get_line($1, $3, &$$); }
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| '*' expr_lvalue { DWORD disp; ADDRESS64 addr; $$.SizeOfStruct = sizeof($$);
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types_extract_as_address(&$2, &addr);
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SymGetLineFromAddr64(dbg_curr_process->handle, (ULONG_PTR)memory_to_linear_addr(& addr), &disp, & $$); }
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;
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run_command:
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tRUN list_of_words { dbg_run_debuggee($2); }
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;
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list_of_words:
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%empty { $$ = NULL; }
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| tSTRING list_of_words { $$ = (struct list_string*)lexeme_alloc_size(sizeof(*$$)); $$->next = $2; $$->string = $1; }
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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_lvalue { types_store_value(&$2, &$4); }
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| tSET '+' tIDENTIFIER { info_wine_dbg_channel(TRUE, NULL, $3); }
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| tSET '+' tALL { info_wine_dbg_channel(TRUE, NULL, "all"); }
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| tSET '-' tIDENTIFIER { info_wine_dbg_channel(FALSE, NULL, $3); }
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| tSET '-' tALL { info_wine_dbg_channel(FALSE, NULL, "all"); }
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| tSET tIDENTIFIER '+' tIDENTIFIER { info_wine_dbg_channel(TRUE, $2, $4); }
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| tSET tIDENTIFIER '+' tALL { info_wine_dbg_channel(TRUE, $2, "all"); }
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| tSET tIDENTIFIER '-' tIDENTIFIER { info_wine_dbg_channel(FALSE, $2, $4); }
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| tSET tIDENTIFIER '-' tALL { info_wine_dbg_channel(FALSE, $2, "all"); }
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| tSET '!' tIDENTIFIER tIDENTIFIER { dbg_set_option($3, $4); }
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| tSET '!' tIDENTIFIER { dbg_set_option($3, NULL); }
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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, TRUE); }
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| tBREAK identifier { break_add_break_from_id($2, -1, TRUE); }
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| tBREAK pathname ':' tNUM { break_add_break_from_lineno($2, $4, TRUE); }
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| tBREAK tNUM { break_add_break_from_lineno(NULL, $2, TRUE); }
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| tBREAK { break_add_break_from_lineno(NULL, -1, TRUE); }
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| tHBREAK '*' expr_lvalue { break_add_break_from_lvalue(&$3, FALSE); }
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| tHBREAK identifier { break_add_break_from_id($2, -1, FALSE); }
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| tHBREAK pathname ':' tNUM { break_add_break_from_lineno($2, $4, FALSE); }
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| tHBREAK tNUM { break_add_break_from_lineno(NULL, $2, FALSE); }
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| tHBREAK { break_add_break_from_lineno(NULL, -1, FALSE); }
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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, TRUE); }
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| tWATCH identifier { break_add_watch_from_id($2, TRUE); }
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| tRWATCH '*' expr_lvalue { break_add_watch_from_lvalue(&$3, FALSE); }
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| tRWATCH identifier { break_add_watch_from_id($2, FALSE); }
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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 { dbg_curr_process->be_cpu->print_context(dbg_curr_thread->handle, &dbg_context, 0); }
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| tINFO tALLREGS { dbg_curr_process->be_cpu->print_context(dbg_curr_thread->handle, &dbg_context, 1); }
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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 tNUM { stack_info($3); }
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| tINFO tSTACK { stack_info(-1); }
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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)(DWORD_PTR)$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)(DWORD_PTR)$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 tFRAME { info_win32_frame_exceptions(dbg_curr_tid); }
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| tINFO tFRAME expr_rvalue { info_win32_frame_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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| tINFO tEXCEPTION { info_win32_exception(); }
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;
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maintenance_command:
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tMAINTENANCE tTYPE { print_types(); }
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| tMAINTENANCE tMODULE tSTRING { tgt_module_load($3, FALSE); }
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| tMAINTENANCE '*' tMODULE tSTRING { tgt_module_load($4, TRUE); }
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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); } /* 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:
|
|
expr { $$ = expr_eval($1); }
|
|
;
|
|
|
|
expr_rvalue:
|
|
expr_lvalue { $$ = types_extract_as_integer(&$1); }
|
|
;
|
|
|
|
/*
|
|
* 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 { $$ = expr_alloc_sconstant($1); }
|
|
| tSTRING { $$ = expr_alloc_string($1); }
|
|
| tINTVAR { $$ = expr_alloc_internal_var($1); }
|
|
| identifier { $$ = expr_alloc_symbol($1); }
|
|
| expr OP_DRF tIDENTIFIER { $$ = expr_alloc_pstruct($1, $3); }
|
|
| expr '.' tIDENTIFIER { $$ = expr_alloc_struct($1, $3); }
|
|
| identifier '(' ')' { $$ = expr_alloc_func_call($1, 0); }
|
|
| identifier '(' expr ')' { $$ = expr_alloc_func_call($1, 1, $3); }
|
|
| identifier '(' expr ',' expr ')' { $$ = expr_alloc_func_call($1, 2, $3, $5); }
|
|
| identifier '(' expr ',' expr ',' expr ')' { $$ = expr_alloc_func_call($1, 3, $3, $5, $7); }
|
|
| identifier '(' expr ',' expr ',' expr ',' expr ')' { $$ = expr_alloc_func_call($1, 4, $3, $5, $7, $9); }
|
|
| identifier '(' expr ',' expr ',' expr ',' expr ',' expr ')' { $$ = expr_alloc_func_call($1, 5, $3, $5, $7, $9, $11); }
|
|
| expr '[' expr ']' { $$ = expr_alloc_binary_op(EXP_OP_ARR, $1, $3); }
|
|
| expr ':' expr { $$ = expr_alloc_binary_op(EXP_OP_SEG, $1, $3); }
|
|
| 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 LONG WINAPI wine_dbg_cmd(EXCEPTION_POINTERS *eptr)
|
|
{
|
|
switch (eptr->ExceptionRecord->ExceptionCode)
|
|
{
|
|
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 %x\n", eptr->ExceptionRecord->ExceptionCode);
|
|
break;
|
|
}
|
|
|
|
return EXCEPTION_EXECUTE_HANDLER;
|
|
}
|
|
|
|
struct parser_context
|
|
{
|
|
const char* filename;
|
|
HANDLE input;
|
|
HANDLE output;
|
|
unsigned line_no;
|
|
char* last_line;
|
|
size_t last_line_idx;
|
|
};
|
|
|
|
static struct parser_context dbg_parser = {NULL, INVALID_HANDLE_VALUE, INVALID_HANDLE_VALUE, 0, NULL, 0};
|
|
|
|
static int input_fetch_entire_line(const char* pfx, char** line)
|
|
{
|
|
char* buffer;
|
|
char ch;
|
|
DWORD nread;
|
|
size_t len, alloc;
|
|
|
|
/* 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), &nread, NULL);
|
|
|
|
buffer = HeapAlloc(GetProcessHeap(), 0, alloc = 16);
|
|
assert(buffer != NULL);
|
|
|
|
dbg_parser.line_no++;
|
|
len = 0;
|
|
do
|
|
{
|
|
if (!ReadFile(dbg_parser.input, &ch, 1, &nread, NULL) || nread == 0)
|
|
{
|
|
HeapFree(GetProcessHeap(), 0, buffer);
|
|
return -1;
|
|
}
|
|
|
|
if (len + 2 > alloc)
|
|
{
|
|
while (len + 2 > alloc) alloc *= 2;
|
|
buffer = dbg_heap_realloc(buffer, alloc);
|
|
}
|
|
buffer[len++] = ch;
|
|
}
|
|
while (ch != '\n');
|
|
buffer[len] = '\0';
|
|
|
|
*line = buffer;
|
|
return len;
|
|
}
|
|
|
|
size_t input_lex_read_buffer(char* buf, int size)
|
|
{
|
|
int len;
|
|
|
|
/* try first to fetch the remaining of an existing line */
|
|
if (dbg_parser.last_line_idx == 0)
|
|
{
|
|
char* tmp = NULL;
|
|
/* no remaining chars to be read from last line, grab a brand new line up to '\n' */
|
|
lexeme_flush();
|
|
len = input_fetch_entire_line("Wine-dbg>", &tmp);
|
|
if (len < 0) return 0; /* eof */
|
|
|
|
/* remove carriage return in newline */
|
|
if (len >= 2 && tmp[len - 2] == '\r')
|
|
{
|
|
tmp[len - 2] = '\n';
|
|
tmp[len - 1] = '\0';
|
|
len--;
|
|
}
|
|
|
|
/* recall last command when empty input buffer and not parsing a file */
|
|
if (dbg_parser.last_line && (len == 0 || (len == 1 && tmp[0] == '\n')) &&
|
|
dbg_parser.output != INVALID_HANDLE_VALUE)
|
|
{
|
|
HeapFree(GetProcessHeap(), 0, tmp);
|
|
}
|
|
else
|
|
{
|
|
HeapFree(GetProcessHeap(), 0, dbg_parser.last_line);
|
|
dbg_parser.last_line = tmp;
|
|
}
|
|
}
|
|
|
|
len = min(strlen(dbg_parser.last_line + dbg_parser.last_line_idx), size - 1);
|
|
memcpy(buf, dbg_parser.last_line + dbg_parser.last_line_idx, len);
|
|
buf[len] = '\0';
|
|
if ((dbg_parser.last_line_idx += len) >= strlen(dbg_parser.last_line))
|
|
dbg_parser.last_line_idx = 0;
|
|
return len;
|
|
}
|
|
|
|
int input_read_line(const char* pfx, char* buf, int size)
|
|
{
|
|
char* line = NULL;
|
|
|
|
int len = input_fetch_entire_line(pfx, &line);
|
|
if (len < 0) return 0;
|
|
/* remove trailing \n and \r */
|
|
while (len > 0 && (line[len - 1] == '\n' || line[len - 1] == '\r')) len--;
|
|
len = min(size - 1, len);
|
|
memcpy(buf, line, len);
|
|
buf[len] = '\0';
|
|
HeapFree(GetProcessHeap(), 0, line);
|
|
return 1;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* parser_handle
|
|
*
|
|
* Debugger command line parser
|
|
*/
|
|
void parser_handle(const char* filename, HANDLE input)
|
|
{
|
|
BOOL ret_ok;
|
|
struct parser_context prev = dbg_parser;
|
|
|
|
ret_ok = FALSE;
|
|
|
|
if (input != INVALID_HANDLE_VALUE)
|
|
{
|
|
dbg_parser.output = INVALID_HANDLE_VALUE;
|
|
dbg_parser.input = input;
|
|
}
|
|
else
|
|
{
|
|
dbg_parser.output = GetStdHandle(STD_OUTPUT_HANDLE);
|
|
dbg_parser.input = GetStdHandle(STD_INPUT_HANDLE);
|
|
}
|
|
dbg_parser.line_no = 0;
|
|
dbg_parser.filename = filename;
|
|
dbg_parser.last_line = NULL;
|
|
dbg_parser.last_line_idx = 0;
|
|
do
|
|
{
|
|
__TRY
|
|
{
|
|
ret_ok = TRUE;
|
|
dbg_parse();
|
|
}
|
|
__EXCEPT(wine_dbg_cmd)
|
|
{
|
|
ret_ok = FALSE;
|
|
}
|
|
__ENDTRY;
|
|
lexeme_flush();
|
|
} while (!ret_ok);
|
|
|
|
dbg_parser = prev;
|
|
}
|
|
|
|
static void parser(const char* filename)
|
|
{
|
|
HANDLE h = CreateFileA(filename, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0L, 0);
|
|
if (h != INVALID_HANDLE_VALUE)
|
|
{
|
|
parser_handle(filename, h);
|
|
CloseHandle(h);
|
|
}
|
|
}
|
|
|
|
static int dbg_error(const char* s)
|
|
{
|
|
if (dbg_parser.filename)
|
|
dbg_printf("%s:%d:", dbg_parser.filename, dbg_parser.line_no);
|
|
dbg_printf("%s\n", s);
|
|
return 0;
|
|
}
|
|
|
|
HANDLE WINAPIV parser_generate_command_file(const char* pmt, ...)
|
|
{
|
|
HANDLE hFile;
|
|
char path[MAX_PATH], file[MAX_PATH];
|
|
DWORD w;
|
|
const char* p;
|
|
|
|
GetTempPathA(sizeof(path), path);
|
|
GetTempFileNameA(path, "WD", 0, file);
|
|
hFile = CreateFileA(file, GENERIC_READ|GENERIC_WRITE|DELETE, FILE_SHARE_DELETE,
|
|
NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_DELETE_ON_CLOSE, 0);
|
|
if (hFile != INVALID_HANDLE_VALUE)
|
|
{
|
|
va_list ap;
|
|
|
|
WriteFile(hFile, pmt, strlen(pmt), &w, 0);
|
|
va_start(ap, pmt);
|
|
while ((p = va_arg(ap, const char*)) != NULL)
|
|
{
|
|
WriteFile(hFile, "\n", 1, &w, 0);
|
|
WriteFile(hFile, p, strlen(p), &w, 0);
|
|
}
|
|
va_end(ap);
|
|
WriteFile(hFile, "\nquit\n", 6, &w, 0);
|
|
SetFilePointer(hFile, 0, NULL, FILE_BEGIN);
|
|
}
|
|
return hFile;
|
|
}
|