diff options
Diffstat (limited to 'gas/app.c')
| -rw-r--r-- | gas/app.c | 42 |
1 files changed, 26 insertions, 16 deletions
@@ -69,17 +69,20 @@ do_scrub_begin () lex['\t'] = LEX_IS_WHITESPACE; lex['\n'] = LEX_IS_NEWLINE; lex[';'] = LEX_IS_LINE_SEPARATOR; - lex['"'] = LEX_IS_STRINGQUOTE; -#ifndef TC_HPPA - lex['\''] = LEX_IS_ONECHAR_QUOTE; -#endif lex[':'] = LEX_IS_COLON; + if (! flag_mri) + { + lex['"'] = LEX_IS_STRINGQUOTE; +#ifndef TC_HPPA + lex['\''] = LEX_IS_ONECHAR_QUOTE; +#endif #ifdef SINGLE_QUOTE_STRINGS - lex['\''] = LEX_IS_STRINGQUOTE; + lex['\''] = LEX_IS_STRINGQUOTE; #endif + } /* Note that these override the previous defaults, e.g. if ';' is a comment char, then it isn't a line separator. */ @@ -114,6 +117,16 @@ do_scrub_begin () { lex['*'] = LEX_IS_TWOCHAR_COMMENT_2ND; } + + if (flag_mri) + { + lex['\''] = LEX_IS_STRINGQUOTE; + lex[';'] = LEX_IS_COMMENT_START; + lex['*'] = LEX_IS_LINE_COMMENT_START; + /* The MRI documentation says '!' is LEX_IS_COMMENT_START, but + then it can't be used in an expression. */ + lex['!'] = LEX_IS_LINE_COMMENT_START; + } } /* do_scrub_begin() */ FILE *scrub_file; @@ -381,9 +394,7 @@ do_scrub_next_char (get, unget) case 'n': case 'r': case 't': -#ifdef BACKSLASH_V case 'v': -#endif /* BACKSLASH_V */ case 'x': case 'X': case '0': @@ -468,15 +479,15 @@ recycle: not_cpp_line = 1; goto recycle; } -#ifdef MRI - (*unget) (ch); /* Put back */ - return ' '; /* Always return one space at start of line */ -#endif /* If we're in state 2 or 11, we've seen a non-white character followed by whitespace. If the next character is ':', this - is whitespace after a label name which we *must* ignore. */ - if ((state == 2 || state == 11) && lex[ch] == LEX_IS_COLON) + is whitespace after a label name which we normally must + ignore. In MRI mode, though, spaces are not permitted + between the label and the colon. */ + if ((state == 2 || state == 11) + && lex[ch] == LEX_IS_COLON + && ! flag_mri) { state = 1; return ch; @@ -559,7 +570,6 @@ recycle: old_state = state; state = 5; return ch; -#ifndef MRI #ifndef IEEE_STYLE case LEX_IS_ONECHAR_QUOTE: ch = GET (); @@ -597,7 +607,6 @@ recycle: out_string = out_buf; return *out_string++; #endif -#endif case LEX_IS_COLON: if (state == 9 || state == 10) state = 3; @@ -671,7 +680,8 @@ recycle: /* We have a line comment character which is not at the start of a line. If this is also a normal comment character, fall through. Otherwise treat it as a default character. */ - if (strchr (comment_chars, ch) == NULL) + if ((flag_mri && (ch == '!' || ch == '*')) + || strchr (comment_chars, ch) == NULL) goto de_fault; /* Fall through. */ case LEX_IS_COMMENT_START: |