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Added support for backslash escaping of special characters.

oldstable
Alexandre Julliard 2001-02-15 21:27:06 +00:00
parent 3437915594
commit 4988696cd4
1 changed files with 41 additions and 52 deletions
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93
tools/winebuild/parser.c
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@ -24,8 +24,8 @@ int current_line = 0;
static SPEC_TYPE SpecType = SPEC_INVALID;
static char ParseBuffer[512];
static char TokenBuffer[512];
static char *ParseNext = ParseBuffer;
static char ParseSaveChar;
static FILE *input_file;
static const char * const TypeNames[TYPE_NBTYPES] =
@ -53,7 +53,7 @@ static const char * const FlagNames[] =
NULL
};
static int IsNumberString(char *s)
static int IsNumberString(const char *s)
{
while (*s) if (!isdigit(*s++)) return 0;
return 1;
@ -64,60 +64,49 @@ inline static int is_token_separator( char ch )
return (ch == '(' || ch == ')' || ch == '-');
}
static char * GetTokenInLine(void)
static const char * GetTokenInLine(void)
{
char *p;
char *token;
char *p = ParseNext;
char *token = TokenBuffer;
if (ParseNext != ParseBuffer)
{
if (ParseSaveChar == '\0')
return NULL;
*ParseNext = ParseSaveChar;
}
/*
* Remove initial white space.
*/
for (p = ParseNext; isspace(*p); p++)
;
if ((*p == '\0') || (*p == '#'))
return NULL;
while (isspace(*p)) p++;
if ((*p == '\0') || (*p == '#')) return NULL;
/*
* Find end of token.
*/
token = p++;
if (!is_token_separator(*token))
while (*p != '\0' && !is_token_separator(*p) && !isspace(*p))
p++;
ParseSaveChar = *p;
if (is_token_separator(*p))
{
/* a separator is always a complete token */
*token++ = *p++;
}
else while (*p != '\0' && !is_token_separator(*p) && !isspace(*p))
{
if (*p == '\\') p++;
if (*p) *token++ = *p++;
}
*token = '\0';
ParseNext = p;
*p = '\0';
return token;
return TokenBuffer;
}
static char * GetToken( int allow_eof )
static const char * GetToken( int allow_eof )
{
char *token;
const char *token;
while ((token = GetTokenInLine()) == NULL)
{
ParseNext = ParseBuffer;
while (1)
{
current_line++;
if (fgets(ParseBuffer, sizeof(ParseBuffer), input_file) == NULL)
{
if (!allow_eof) fatal_error( "Unexpected end of file\n" );
return NULL;
}
if (ParseBuffer[0] != '#')
break;
}
current_line++;
if (fgets(ParseBuffer, sizeof(ParseBuffer), input_file) == NULL)
{
if (!allow_eof) fatal_error( "Unexpected end of file\n" );
return NULL;
}
}
return token;
}
@ -130,7 +119,7 @@ static char * GetToken( int allow_eof )
*/
static void ParseDebug(void)
{
char *token = GetToken(0);
const char *token = GetToken(0);
if (*token != '(') fatal_error( "Expected '(' got '%s'\n", token );
for (;;)
{
@ -150,7 +139,7 @@ static void ParseDebug(void)
*/
static void ParseIgnore(void)
{
char *token = GetToken(0);
const char *token = GetToken(0);
if (*token != '(') fatal_error( "Expected '(' got '%s'\n", token );
for (;;)
{
@ -172,8 +161,8 @@ static void ParseVariable( ORDDEF *odp )
int *value_array;
int n_values;
int value_array_size;
char *token = GetToken(0);
const char *token = GetToken(0);
if (*token != '(') fatal_error( "Expected '(' got '%s'\n", token );
n_values = 0;
@ -210,7 +199,7 @@ static void ParseVariable( ORDDEF *odp )
*/
static void ParseExportFunction( ORDDEF *odp )
{
char *token;
const char *token;
unsigned int i;
switch(SpecType)
@ -291,8 +280,8 @@ static void ParseExportFunction( ORDDEF *odp )
static void ParseEquate( ORDDEF *odp )
{
char *endptr;
char *token = GetToken(0);
const char *token = GetToken(0);
int value = strtol(token, &endptr, 0);
if (endptr == NULL || *endptr != '\0')
fatal_error( "Expected number value, got '%s'\n", token );
@ -321,7 +310,7 @@ static void ParseStub( ORDDEF *odp )
*/
static void ParseInterrupt( ORDDEF *odp )
{
char *token;
const char *token;
if (SpecType == SPEC_WIN32)
fatal_error( "'interrupt' not supported for Win32\n" );
@ -368,10 +357,10 @@ static void ParseForward( ORDDEF *odp )
*
* Parse the optional flags for an entry point
*/
static char *ParseFlags( ORDDEF *odp )
static const char *ParseFlags( ORDDEF *odp )
{
unsigned int i;
char *token;
const char *token;
do
{
@ -407,7 +396,7 @@ static void fix_export_name( char *name )
*/
static void ParseOrdinal(int ordinal)
{
char *token;
const char *token;
ORDDEF *odp = xmalloc( sizeof(*odp) );
memset( odp, 0, sizeof(*odp) );
@ -534,7 +523,7 @@ static void sort_names(void)
*/
SPEC_TYPE ParseTopLevel( FILE *file )
{
char *token;
const char *token;
input_file = file;
current_line = 1;