|
|
/******************************Module*Header*******************************\
* Module Name: extparse.hxx** Copyright (c) 1998-2000 Microsoft Corporation** asecchia 7-21-98* Wrote it.** These routines are designed to help in parsing debugger extensions.*\**************************************************************************/
#ifndef DBG_EXT_PARSE
#define DBG_EXT_PARSE
int parse_Tokenizer(char *cmdstr, char **tok);int parse_FindNonSwitch(char **tok, int ntok, int start=0);
int parse_IsToken(char **tok, int tok_pos, char *chk);int parse_iIsToken(char **tok, int tok_pos, char *chk);
int parse_FindToken(char **tok, int ntok, char *srchtok);int parse_iFindToken(char **tok, int ntok, char *srchtok);
int parse_IsSwitch(char **tok, int tok_pos, char sw);int parse_iIsSwitch(char **tok, int tok_pos, char sw);int parse_FindSwitch(char **tok, int ntok, char sw);int parse_iFindSwitch(char **tok, int ntok, char sw);
/*
* Parse the arguments passed to the extension * Automatically handle the -? option */#define PARSE_ARGUMENTS(ext_label) \
char tmp_args[200]; \ char *tokens[40]; \ int ntok, tok_pos; \ strcpy(tmp_args, args); \ ntok = parse_Tokenizer(tmp_args, tokens); \ if(ntok>0) { \ tok_pos=parse_FindSwitch(tokens, ntok, '?'); \ if(tok_pos>=0) { \ goto ext_label; \ } \ } \ tok_pos=0
/*
* Parse the arguments assuming a required parameter * which is a pointer to be parsed with the expression * handler. */#define PARSE_POINTER(ext_label) \
ULONG64 arg; \ DEBUG_VALUE DbgValArg; \ PARSE_ARGUMENTS(ext_label); \ if (ntok < 1) { goto ext_label; } \ tok_pos = parse_FindNonSwitch(tokens, ntok); \ if (tok_pos == -1) { goto ext_label; } \ if (ExtQuery(Client) != S_OK) { goto ext_label; } \ if (g_pExtControl-> \ Evaluate(tokens[tok_pos], \ DEBUG_VALUE_INT64, \ &DbgValArg, \ NULL) == S_OK) \ { \ arg = DbgValArg.I64; \ } \ else \ { \ arg = 0; \ } \ ExtRelease()
#endif
|
