diff options
Diffstat (limited to 'gas/read.c')
| -rw-r--r-- | gas/read.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/gas/read.c b/gas/read.c index 5ebe288a9c..2fa0117896 100644 --- a/gas/read.c +++ b/gas/read.c @@ -2981,6 +2981,57 @@ do_repeat (int count, const char *start, const char *end) buffer_limit = input_scrub_next_buffer (&input_line_pointer); } +/* Like do_repeat except that any text matching EXPANDER in the + block is replaced by the itteration count. */ + +void +do_repeat_with_expander (int count, + const char * start, + const char * end, + const char * expander) +{ + sb one; + sb many; + + sb_new (&one); + if (!buffer_and_nest (start, end, &one, get_non_macro_line_sb)) + { + as_bad (_("%s without %s"), start, end); + return; + } + + sb_new (&many); + + if (expander != NULL && strstr (one.ptr, expander) != NULL) + { + while (count -- > 0) + { + int len; + char * sub; + sb processed; + + sb_new (& processed); + sb_add_sb (& processed, & one); + sub = strstr (processed.ptr, expander); + len = sprintf (sub, "%d", count); + gas_assert (len < 8); + strcpy (sub + len, sub + 8); + processed.len -= (8 - len); + sb_add_sb (& many, & processed); + sb_kill (& processed); + } + } + else + while (count-- > 0) + sb_add_sb (&many, &one); + + sb_kill (&one); + + input_scrub_include_sb (&many, input_line_pointer, 1); + sb_kill (&many); + buffer_limit = input_scrub_next_buffer (&input_line_pointer); +} + /* Skip to end of current repeat loop; EXTRA indicates how many additional input buffers to skip. Assumes that conditionals preceding the loop end are properly nested. |