| %{ |
| /* |
| * Parser for command lines in the Wine debugger |
| * |
| * Copyright 1993 Eric Youngdale |
| * Copyright 1995 Morten Welinder |
| * Copyright 2000 Eric Pouech |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| |
| #include "config.h" |
| #include "wine/port.h" |
| |
| #include <stdlib.h> |
| #include <string.h> |
| #ifdef HAVE_UNISTD_H |
| # include <unistd.h> |
| #endif |
| |
| #include "wine/exception.h" |
| #include "debugger.h" |
| #include "expr.h" |
| |
| int yylex(void); |
| int yyerror(const char*); |
| |
| %} |
| |
| %union |
| { |
| struct dbg_lvalue lvalue; |
| char* string; |
| int integer; |
| IMAGEHLP_LINE listing; |
| struct expr* expression; |
| struct type_expr_t type; |
| } |
| |
| %token tCONT tPASS tSTEP tLIST tNEXT tQUIT tHELP tBACKTRACE tALL tINFO tUP tDOWN |
| %token tENABLE tDISABLE tBREAK tWATCH tDELETE tSET tMODE tPRINT tEXAM tABORT tVM86 |
| %token tCLASS tMAPS tSTACK tSEGMENTS tSYMBOL tREGS tWND tQUEUE tLOCAL tEXCEPTION |
| %token tPROCESS tTHREAD tMODREF tEOL tEOF |
| %token tFRAME tSHARE tCOND tDISPLAY tUNDISPLAY tDISASSEMBLE |
| %token tSTEPI tNEXTI tFINISH tSHOW tDIR tWHATIS tSOURCE |
| %token <string> tPATH tIDENTIFIER tSTRING tDEBUGSTR tINTVAR |
| %token <integer> tNUM tFORMAT |
| %token tSYMBOLFILE tRUN tATTACH tDETACH tMAINTENANCE tTYPE tMINIDUMP |
| %token tNOPROCESS |
| |
| %token tCHAR tSHORT tINT tLONG tFLOAT tDOUBLE tUNSIGNED tSIGNED |
| %token tSTRUCT tUNION tENUM |
| |
| /* %left ',' */ |
| /* %left '=' OP_OR_EQUAL OP_XOR_EQUAL OP_AND_EQUAL OP_SHL_EQUAL \ |
| OP_SHR_EQUAL OP_PLUS_EQUAL OP_MINUS_EQUAL \ |
| OP_TIMES_EQUAL OP_DIVIDE_EQUAL OP_MODULO_EQUAL */ |
| /* %left OP_COND */ /* ... ? ... : ... */ |
| %left OP_LOR |
| %left OP_LAND |
| %left '|' |
| %left '^' |
| %left '&' |
| %left OP_EQ OP_NE |
| %left '<' '>' OP_LE OP_GE |
| %left OP_SHL OP_SHR |
| %left '+' '-' |
| %left '*' '/' '%' |
| %left OP_SIGN '!' '~' OP_DEREF /* OP_INC OP_DEC OP_ADDR */ |
| %left '.' '[' OP_DRF |
| %nonassoc ':' |
| |
| %type <expression> expr lvalue |
| %type <lvalue> expr_lvalue lvalue_addr |
| %type <integer> expr_rvalue |
| %type <string> pathname identifier |
| %type <listing> list_arg |
| %type <type> type_expr |
| |
| %% |
| |
| input: |
| line |
| | input line |
| ; |
| |
| line: |
| command tEOL { expr_free_all(); } |
| | tEOL |
| | tEOF { return 1; } |
| | error tEOL { yyerrok; expr_free_all(); } |
| ; |
| |
| command: |
| tQUIT { return 1; } |
| | tHELP { print_help(); } |
| | tHELP tINFO { info_help(); } |
| | tPASS { dbg_wait_next_exception(DBG_EXCEPTION_NOT_HANDLED, 0, 0); } |
| | tCONT { dbg_wait_next_exception(DBG_CONTINUE, 1, dbg_exec_cont); } |
| | tCONT tNUM { dbg_wait_next_exception(DBG_CONTINUE, $2, dbg_exec_cont); } |
| | tSTEP { dbg_wait_next_exception(DBG_CONTINUE, 1, dbg_exec_step_into_line); } |
| | tSTEP tNUM { dbg_wait_next_exception(DBG_CONTINUE, $2, dbg_exec_step_into_line); } |
| | tNEXT { dbg_wait_next_exception(DBG_CONTINUE, 1, dbg_exec_step_over_line); } |
| | tNEXT tNUM { dbg_wait_next_exception(DBG_CONTINUE, $2, dbg_exec_step_over_line); } |
| | tSTEPI { dbg_wait_next_exception(DBG_CONTINUE, 1, dbg_exec_step_into_insn); } |
| | tSTEPI tNUM { dbg_wait_next_exception(DBG_CONTINUE, $2, dbg_exec_step_into_insn); } |
| | tNEXTI { dbg_wait_next_exception(DBG_CONTINUE, 1, dbg_exec_step_over_insn); } |
| | tNEXTI tNUM { dbg_wait_next_exception(DBG_CONTINUE, $2, dbg_exec_step_over_insn); } |
| | tFINISH { dbg_wait_next_exception(DBG_CONTINUE, 0, dbg_exec_finish); } |
| | tABORT { abort(); } |
| | tBACKTRACE { stack_backtrace(dbg_curr_tid, TRUE); } |
| | tBACKTRACE tNUM { stack_backtrace($2, TRUE); } |
| | tBACKTRACE tALL { stack_backtrace(-1, TRUE); } |
| | tUP { stack_set_frame(dbg_curr_frame + 1); } |
| | tUP tNUM { stack_set_frame(dbg_curr_frame + $2); } |
| | tDOWN { stack_set_frame(dbg_curr_frame - 1); } |
| | tDOWN tNUM { stack_set_frame(dbg_curr_frame - $2); } |
| | tFRAME tNUM { stack_set_frame($2); } |
| | tSHOW tDIR { source_show_path(); } |
| | tDIR pathname { source_add_path($2); } |
| | tDIR { source_nuke_path(); } |
| | tCOND tNUM { break_add_condition($2, NULL); } |
| | tCOND tNUM expr { break_add_condition($2, $3); } |
| | tSOURCE pathname { parser($2); } |
| | tSYMBOLFILE pathname { symbol_read_symtable($2, 0); } |
| | tSYMBOLFILE pathname expr_rvalue { symbol_read_symtable($2, $3); } |
| | tWHATIS expr_lvalue { types_print_type(&$2.type, FALSE); dbg_printf("\n"); } |
| | tATTACH tNUM { dbg_attach_debuggee($2, FALSE, TRUE); } |
| | tDETACH { dbg_detach_debuggee(); } |
| | tMINIDUMP pathname { minidump_write($2, (dbg_curr_thread && dbg_curr_thread->in_exception) ? &dbg_curr_thread->excpt_record : NULL);} |
| | run_command |
| | list_command |
| | disassemble_command |
| | set_command |
| | x_command |
| | print_command |
| | break_command |
| | watch_command |
| | display_command |
| | info_command |
| | maintenance_command |
| | noprocess_state |
| ; |
| |
| pathname: |
| identifier { $$ = $1; } |
| | tSTRING { $$ = $1; } |
| | tPATH { $$ = $1; } |
| ; |
| |
| identifier: |
| tIDENTIFIER { $$ = $1; } |
| | tPATH '!' tIDENTIFIER { $$ = lexeme_alloc_size(strlen($1) + 1 + strlen($3) + 1); |
| sprintf($$, "%s!%s", $1, $3); } |
| | identifier ':' ':' tIDENTIFIER { $$ = lexeme_alloc_size(strlen($1) + 2 + strlen($4) + 1); |
| sprintf($$, "%s::%s", $1, $4); } |
| ; |
| |
| list_arg: |
| tNUM { $$.FileName = NULL; $$.LineNumber = $1; } |
| | pathname ':' tNUM { $$.FileName = $1; $$.LineNumber = $3; } |
| | identifier { symbol_get_line(NULL, $1, &$$); } |
| | pathname ':' identifier { symbol_get_line($3, $1, &$$); } |
| | '*' expr_lvalue { DWORD disp; $$.SizeOfStruct = sizeof($$); |
| SymGetLineFromAddr(dbg_curr_process->handle, (unsigned long)memory_to_linear_addr(& $2.addr), &disp, & $$); } |
| ; |
| |
| run_command: |
| tRUN { dbg_run_debuggee(NULL); } |
| | tRUN tSTRING { dbg_run_debuggee($2); } |
| ; |
| |
| list_command: |
| tLIST { source_list(NULL, NULL, 10); } |
| | tLIST '-' { source_list(NULL, NULL, -10); } |
| | tLIST list_arg { source_list(& $2, NULL, 10); } |
| | tLIST ',' list_arg { source_list(NULL, & $3, -10); } |
| | tLIST list_arg ',' list_arg { source_list(& $2, & $4, 0); } |
| ; |
| |
| disassemble_command: |
| tDISASSEMBLE { memory_disassemble(NULL, NULL, 10); } |
| | tDISASSEMBLE expr_lvalue { memory_disassemble(&$2, NULL, 10); } |
| | tDISASSEMBLE expr_lvalue ',' expr_lvalue { memory_disassemble(&$2, &$4, 0); } |
| ; |
| |
| set_command: |
| tSET lvalue_addr '=' expr_rvalue { memory_write_value(&$2, sizeof(int), &$4); } |
| | tSET '+' tIDENTIFIER { info_wine_dbg_channel(TRUE, NULL, $3); } |
| | tSET '-' tIDENTIFIER { info_wine_dbg_channel(FALSE, NULL, $3); } |
| | tSET tIDENTIFIER '+' tIDENTIFIER { info_wine_dbg_channel(TRUE, $2, $4); } |
| | tSET tIDENTIFIER '-' tIDENTIFIER { info_wine_dbg_channel(FALSE, $2, $4); } |
| ; |
| |
| x_command: |
| tEXAM expr_lvalue { memory_examine(&$2, 1, 'x'); } |
| | tEXAM tFORMAT expr_lvalue { memory_examine(&$3, $2 >> 8, $2 & 0xff); } |
| ; |
| |
| print_command: |
| tPRINT expr_lvalue { print_value(&$2, 0, 0); } |
| | tPRINT tFORMAT expr_lvalue { if (($2 >> 8) == 1) print_value(&$3, $2 & 0xff, 0); else dbg_printf("Count is meaningless in print command\n"); } |
| ; |
| |
| break_command: |
| tBREAK '*' expr_lvalue { break_add_break_from_lvalue(&$3); } |
| | tBREAK identifier { break_add_break_from_id($2, -1); } |
| | tBREAK identifier ':' tNUM { break_add_break_from_id($2, $4); } |
| | tBREAK tNUM { break_add_break_from_lineno($2); } |
| | tBREAK { break_add_break_from_lineno(-1); } |
| | tENABLE tNUM { break_enable_xpoint($2, TRUE); } |
| | tENABLE tBREAK tNUM { break_enable_xpoint($3, TRUE); } |
| | tDISABLE tNUM { break_enable_xpoint($2, FALSE); } |
| | tDISABLE tBREAK tNUM { break_enable_xpoint($3, FALSE); } |
| | tDELETE tNUM { break_delete_xpoint($2); } |
| | tDELETE tBREAK tNUM { break_delete_xpoint($3); } |
| ; |
| |
| watch_command: |
| tWATCH '*' expr_lvalue { break_add_watch_from_lvalue(&$3); } |
| | tWATCH identifier { break_add_watch_from_id($2); } |
| ; |
| |
| display_command: |
| tDISPLAY { display_print(); } |
| | tDISPLAY expr { display_add($2, 1, 0); } |
| | tDISPLAY tFORMAT expr { display_add($3, $2 >> 8, $2 & 0xff); } |
| | tENABLE tDISPLAY tNUM { display_enable($3, TRUE); } |
| | tDISABLE tDISPLAY tNUM { display_enable($3, FALSE); } |
| | tDELETE tDISPLAY tNUM { display_delete($3); } |
| | tDELETE tDISPLAY { display_delete(-1); } |
| | tUNDISPLAY tNUM { display_delete($2); } |
| | tUNDISPLAY { display_delete(-1); } |
| ; |
| |
| info_command: |
| tINFO tBREAK { break_info(); } |
| | tINFO tSHARE { info_win32_module(0); } |
| | tINFO tSHARE expr_rvalue { info_win32_module($3); } |
| | tINFO tREGS { be_cpu->print_context(dbg_curr_thread->handle, &dbg_context); } |
| | tINFO tSEGMENTS expr_rvalue { info_win32_segments($3 >> 3, 1); } |
| | tINFO tSEGMENTS { info_win32_segments(0, -1); } |
| | tINFO tSTACK { stack_info(); } |
| | tINFO tSYMBOL tSTRING { symbol_info($3); } |
| | tINFO tLOCAL { symbol_info_locals(); } |
| | tINFO tDISPLAY { display_info(); } |
| | tINFO tCLASS { info_win32_class(NULL, NULL); } |
| | tINFO tCLASS tSTRING { info_win32_class(NULL, $3); } |
| | tINFO tWND { info_win32_window(NULL, FALSE); } |
| | tINFO tWND expr_rvalue { info_win32_window((HWND)$3, FALSE); } |
| | tINFO '*' tWND { info_win32_window(NULL, TRUE); } |
| | tINFO '*' tWND expr_rvalue { info_win32_window((HWND)$4, TRUE); } |
| | tINFO tPROCESS { info_win32_processes(); } |
| | tINFO tTHREAD { info_win32_threads(); } |
| | tINFO tEXCEPTION { info_win32_exceptions(dbg_curr_tid); } |
| | tINFO tEXCEPTION expr_rvalue { info_win32_exceptions($3); } |
| | tINFO tMAPS { info_win32_virtual(dbg_curr_pid); } |
| | tINFO tMAPS expr_rvalue { info_win32_virtual($3); } |
| ; |
| |
| maintenance_command: |
| tMAINTENANCE tTYPE { print_types(); } |
| ; |
| |
| noprocess_state: |
| tNOPROCESS {} /* <CR> shall not barf anything */ |
| | tNOPROCESS tBACKTRACE tALL { stack_backtrace(-1, TRUE); } /* can backtrace all threads with no attached process */ |
| | tNOPROCESS tSTRING { dbg_printf("No process loaded, cannot execute '%s'\n", $2); } |
| ; |
| |
| type_expr: |
| tCHAR { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_char; } |
| | tINT { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_signed_int; } |
| | tLONG tINT { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_signed_long_int; } |
| | tLONG { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_signed_long_int; } |
| | tUNSIGNED tINT { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_unsigned_int; } |
| | tUNSIGNED { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_unsigned_int; } |
| | tLONG tUNSIGNED tINT { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_unsigned_long_int; } |
| | tLONG tUNSIGNED { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_unsigned_long_int; } |
| | tSHORT tINT { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_signed_short_int; } |
| | tSHORT { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_signed_short_int; } |
| | tSHORT tUNSIGNED tINT { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_unsigned_short_int; } |
| | tSHORT tUNSIGNED { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_unsigned_short_int; } |
| | tSIGNED tCHAR { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_signed_char_int; } |
| | tUNSIGNED tCHAR { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_unsigned_char_int; } |
| | tLONG tLONG tUNSIGNED tINT{ $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_unsigned_longlong_int; } |
| | tLONG tLONG tUNSIGNED { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_unsigned_longlong_int; } |
| | tLONG tLONG tINT { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_signed_longlong_int; } |
| | tLONG tLONG { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_signed_longlong_int; } |
| | tFLOAT { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_short_real; } |
| | tDOUBLE { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_real; } |
| | tLONG tDOUBLE { $$.type = type_expr_type_id; $$.deref_count = 0; $$.u.type.module = 0; $$.u.type.id = dbg_itype_long_real; } |
| | type_expr '*' { $$ = $1; $$.deref_count++; } |
| | tCLASS identifier { $$.type = type_expr_udt_class; $$.deref_count = 0; $$.u.name = $2; } |
| | tSTRUCT identifier { $$.type = type_expr_udt_struct; $$.deref_count = 0; $$.u.name = $2; } |
| | tUNION identifier { $$.type = type_expr_udt_union; $$.deref_count = 0; $$.u.name = $2; } |
| | tENUM identifier { $$.type = type_expr_enumeration; $$.deref_count = 0; $$.u.name = $2; } |
| ; |
| |
| expr_lvalue: |
| expr { $$ = 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 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; |
| } |
