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This should fix line counting issues with the lexer

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Dale Weiler 2012-04-28 16:30:44 -04:00
parent 7a81848d88
commit 37ff28a3b5
1 changed files with 15 additions and 4 deletions
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19
lex.c
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@ -77,14 +77,25 @@ static inline void lex_clear(lex_file *file) {
* it's own internal state for this. * it's own internal state for this.
*/ */
static int lex_inget(lex_file *file) { static int lex_inget(lex_file *file) {
char get;
file->length --; file->length --;
if (file->last > 0)
return file->peek[--file->last]; if (file->last > 0) {
return fgetc(file->file); if ((get = file->peek[--file->last]) == '\n')
file->line ++;
return get;
}
if ((get = fgetc(file->file)) == '\n')
file->line++;
return get;
} }
static void lex_unget(int ch, lex_file *file) { static void lex_unget(int ch, lex_file *file) {
if (file->last < sizeof(file->peek)) if (file->last < sizeof(file->peek)) {
if (ch == '\n')
file->line --;
file->peek[file->last++] = ch; file->peek[file->last++] = ch;
}
file->length ++; file->length ++;
} }