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Added source command.

This commit is contained in:
Eric Pouech 2002-07-29 23:50:59 +00:00 committed by Alexandre Julliard
parent c1f9d386eb
commit bad8b4ca49
4 changed files with 57 additions and 20 deletions
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45
debugger/dbg.y
View File

@ -34,8 +34,6 @@
#include "expr.h"
#include "msvcrt/excpt.h"
extern FILE * yyin;
static void mode_command(int);
int yylex(void);
int yyerror(char *);
@ -55,9 +53,9 @@ int yyerror(char *);
%token tCONT tPASS tSTEP tLIST tNEXT tQUIT tHELP tBACKTRACE tINFO tWALK tUP tDOWN
%token tENABLE tDISABLE tBREAK tWATCH tDELETE tSET tMODE tPRINT tEXAM tABORT tVM86
%token tCLASS tMAPS tMODULE tSTACK tSEGMENTS tREGS tWND tQUEUE tLOCAL
%token tPROCESS tTHREAD tMODREF tEOL
%token tPROCESS tTHREAD tMODREF tEOL tEOF
%token tFRAME tSHARE tCOND tDISPLAY tUNDISPLAY tDISASSEMBLE
%token tSTEPI tNEXTI tFINISH tSHOW tDIR tWHATIS
%token tSTEPI tNEXTI tFINISH tSHOW tDIR tWHATIS tSOURCE
%token <string> tPATH
%token <string> tIDENTIFIER tSTRING tDEBUGSTR tINTVAR
%token <integer> tNUM tFORMAT
@ -101,6 +99,7 @@ input: line
line: command
| tEOL
| tEOF { return 1; }
| error tEOL { yyerrok; }
;
@ -145,6 +144,7 @@ command:
| tUNDISPLAY tEOL { DEBUG_DelDisplay( -1 ); }
| tCOND tNUM tEOL { DEBUG_AddBPCondition($2, NULL); }
| tCOND tNUM expr tEOL { DEBUG_AddBPCondition($2, $3); }
| tSOURCE pathname tEOL { DEBUG_Parser($2); }
| tSYMBOLFILE pathname tEOL { DEBUG_ReadSymbolTable($2, 0); }
| tSYMBOLFILE pathname tNUM tEOL { DEBUG_ReadSymbolTable($2, $3); }
| tWHATIS expr_addr tEOL { DEBUG_PrintType(&$2); DEBUG_FreeExprMem(); }
@ -412,30 +412,57 @@ static WINE_EXCEPTION_FILTER(wine_dbg_cmd)
return EXCEPTION_EXECUTE_HANDLER;
}
static void set_default_channels(void)
{
DEBUG_hParserOutput = GetStdHandle(STD_OUTPUT_HANDLE);
DEBUG_hParserInput = GetStdHandle(STD_INPUT_HANDLE);
}
/***********************************************************************
* DEBUG_Parser
*
* Debugger editline parser
*/
void DEBUG_Parser(void)
void DEBUG_Parser(LPCSTR filename)
{
BOOL ret_ok;
#ifdef YYDEBUG
yydebug = 0;
#endif
yyin = stdin;
ret_ok = FALSE;
do {
__TRY {
if (filename)
{
DEBUG_hParserOutput = 0;
DEBUG_hParserInput = CreateFile(filename, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0L, 0);
if (DEBUG_hParserInput == INVALID_HANDLE_VALUE)
{
set_default_channels();
return;
}
}
else
set_default_channels();
do
{
__TRY
{
ret_ok = TRUE;
yyparse();
} __EXCEPT(wine_dbg_cmd) {
}
__EXCEPT(wine_dbg_cmd)
{
ret_ok = FALSE;
}
__ENDTRY;
DEBUG_FlushSymbols();
} while (!ret_ok);
if (filename)
CloseHandle(DEBUG_hParserInput);
set_default_channels();
}
int yyerror(char* s)

20
debugger/debug.l
View File

@ -29,13 +29,15 @@
#undef YY_INPUT
HANDLE DEBUG_hParserInput;
HANDLE DEBUG_hParserOutput;
static int DEBUG_FetchFromLine(const char* pfx, char* buf, int size);
#define YY_INPUT(buf,result,max_size) \
if ( (result = DEBUG_FetchFromLine("Wine-dbg>", buf, max_size)) <= 0 ) \
if ( (result = DEBUG_FetchFromLine("Wine-dbg>", buf, max_size)) < 0 ) \
YY_FATAL_ERROR( "ReadLine() in flex scanner failed" );
#define YY_NO_UNPUT
static int syntax_error;
@ -64,6 +66,7 @@ STRING \"[^\n"]+\"
/* set to special state when no process is loaded. */
if (!DEBUG_CurrProcess && YYSTATE == INITIAL) {BEGIN(NOPROCESS);}
<<EOF>> { return tEOF; }
<*>\n { BEGIN(INITIAL); syntax_error = 0; return tEOL; }
/* Indicates end of command. Reset state. */
@ -128,6 +131,7 @@ STRING \"[^\n"]+\"
<INITIAL>mode { BEGIN(MODE_CMD); return tMODE; }
<INITIAL>show|sho|sh { BEGIN(SHOW_CMD); return tSHOW; }
<INITIAL,NOPROCESS>source|sourc|sour|src { BEGIN(PATH_EXPECTED); return tSOURCE; }
<INITIAL>symbolfile|symbols|symbol|sf { BEGIN(PATH_EXPECTED); return tSYMBOLFILE; }
<INITIAL,INFO_CMD,DEL_CMD>break|brea|bre|br|b { BEGIN(NOCMD); return tBREAK; }
@ -216,12 +220,12 @@ static int DEBUG_FetchEntireLine(const char* pfx, char** line, size_t* allo
/* as of today, console handles can be file handles... so better use file APIs rather than
* consoles
*/
WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), pfx, strlen(pfx), NULL, NULL);
WriteFile(DEBUG_hParserOutput, pfx, strlen(pfx), NULL, NULL);
len = 0;
do
{
if (!ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf_line, sizeof(buf_line) - 1, &nread, NULL))
if (!ReadFile(DEBUG_hParserInput, buf_line, sizeof(buf_line) - 1, &nread, NULL) || nread == 0)
break;
buf_line[nread] = '\0';
@ -237,6 +241,14 @@ static int DEBUG_FetchEntireLine(const char* pfx, char** line, size_t* allo
len += nread;
} while (nread == 0 || buf_line[nread - 1] != '\n');
if (!len)
{
*line = HeapReAlloc(GetProcessHeap(), 0, *line, *alloc = 1);
**line = '\0';
strcpy(*line + len, buf_line);
len += nread;
} while (nread == 0 || buf_line[nread - 1] != '\n');
/* Remove leading and trailing whitespace from the line */
stripwhite(*line);
return 1;

10
debugger/debugger.h
View File

@ -243,6 +243,8 @@ extern DWORD DEBUG_CurrPid;
extern CONTEXT DEBUG_context;
extern BOOL DEBUG_InteractiveP;
extern enum exit_mode DEBUG_ExitMode;
extern HANDLE DEBUG_hParserInput;
extern HANDLE DEBUG_hParserOutput;
#define DEBUG_READ_MEM(addr, buf, len) \
(ReadProcessMemory(DEBUG_CurrProcess->handle, (addr), (buf), (len), NULL))
@ -306,8 +308,8 @@ extern int DEBUG_AddBPCondition(int bpnum, struct expr * exp);
extern void DEBUG_Disasm( DBG_ADDR *addr, int display );
/* debugger/dbg.y */
extern void DEBUG_Parser(void);
extern void DEBUG_Exit( DWORD );
extern void DEBUG_Parser(LPCSTR);
extern void DEBUG_Exit(DWORD);
/* debugger/debug.l */
extern void DEBUG_FlushSymbols(void);
@ -321,10 +323,6 @@ extern int DEBUG_DoDisplay(void);
extern int DEBUG_DelDisplay(int displaynum);
extern int DEBUG_InfoDisplay(void);
/* debugger/editline.c */
extern char * readline(const char *);
extern void add_history(char *);
/* debugger/expr.c */
extern void DEBUG_FreeExprMem(void);
struct expr * DEBUG_IntVarExpr(const char* name);

2
debugger/winedbg.c
View File

@ -880,7 +880,7 @@ static DWORD DEBUG_MainLoop(void)
else
{
DEBUG_InteractiveP = TRUE;
DEBUG_Parser();
DEBUG_Parser(NULL);
}
DEBUG_Printf(DBG_CHN_MESG, "WineDbg terminated on pid %lx\n", DEBUG_CurrPid);