diff options
Diffstat (limited to 'srcpos.c')
| -rw-r--r-- | srcpos.c | 33 |
1 files changed, 32 insertions, 1 deletions
@@ -87,6 +87,10 @@ void srcfile_push(const char *fname) srcfile->f = srcfile_relative_open(fname, &srcfile->name); srcfile->dir = dirname(srcfile->name); srcfile->prev = current_srcfile; + + srcfile->lineno = 1; + srcfile->colno = 1; + current_srcfile = srcfile; } @@ -99,7 +103,8 @@ int srcfile_pop(void) current_srcfile = srcfile->prev; if (fclose(srcfile->f)) - die("Error closing \"%s\": %s\n", srcfile->name, strerror(errno)); + die("Error closing \"%s\": %s\n", srcfile->name, + strerror(errno)); /* FIXME: We allow the srcfile_state structure to leak, * because it could still be referenced from a location @@ -122,6 +127,32 @@ srcpos srcpos_empty = { .file = NULL, }; +#define TAB_SIZE 8 + +void srcpos_update(srcpos *pos, const char *text, int len) +{ + int i; + + pos->file = current_srcfile; + + pos->first_line = current_srcfile->lineno; + pos->first_column = current_srcfile->colno; + + for (i = 0; i < len; i++) + if (text[i] == '\n') { + current_srcfile->lineno++; + current_srcfile->colno = 1; + } else if (text[i] == '\t') { + current_srcfile->colno = + ALIGN(current_srcfile->colno, TAB_SIZE); + } else { + current_srcfile->colno++; + } + + pos->last_line = current_srcfile->lineno; + pos->last_column = current_srcfile->colno; +} + srcpos * srcpos_copy(srcpos *pos) { |