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Fix macro argument replacements 

When searching for macro arguments to replace, make sure that the
argument is not the begining of another identifier.
This commit is contained in:
nog 2008-07-23 14:45:30 +02:00 committed by Stephen Williams
parent 6cb3d86d15
commit 6d4dd5ae3b
1 changed files with 3 additions and 1 deletions
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4
ivlpp/lexor.lex
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@ -858,6 +858,7 @@ static int define_continue_flag = 0;
static char *find_arg(char*ptr, char*head, char*arg)
{
char *cp = ptr;
size_t len = strlen(arg);
while (1) {
/* Look for a candidate match, just return if none is found. */
@ -868,7 +869,8 @@ static char *find_arg(char*ptr, char*head, char*arg)
* match is not in the middle of another identifier.
*/
if (cp != head &&
(isalnum(*(cp-1)) || *(cp-1) == '_' || *(cp-1) == '$')) {
(isalnum(*(cp-1)) || *(cp-1) == '_' || *(cp-1) == '$' ||
isalnum(*(cp+len)) || *(cp+len) == '_' || *(cp+len) == '$')) {
cp++;
continue;
}