/* This is the Assembler Pre-Processor
- Copyright (C) 1987, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 2000
+ Copyright 1987, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
+ 1999, 2000
Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
static const char mri_pseudo[] = ".mri 0";
#if defined TC_ARM && defined OBJ_ELF
-/* The pseudo-op for which we need to special-case `@' characters.
+/* The pseudo-op for which we need to special-case `@' characters.
See the comment in do_scrub_chars. */
static const char symver_pseudo[] = ".symver";
static const char * symver_state;
/* FIXME-soon: The entire lexer/parser thingy should be
built statically at compile time rather than dynamically
- each and every time the assembler is run. xoxorich. */
+ each and every time the assembler is run. xoxorich. */
-void
+void
do_scrub_begin (m68k_mri)
int m68k_mri ATTRIBUTE_UNUSED;
{
lex['\t'] = LEX_IS_WHITESPACE;
lex['\r'] = LEX_IS_WHITESPACE;
lex['\n'] = LEX_IS_NEWLINE;
- lex[';'] = LEX_IS_LINE_SEPARATOR;
lex[':'] = LEX_IS_COLON;
#ifdef TC_M68K
state at the time .include is interpreted is completely unrelated.
That's why we have to save it all. */
-struct app_save
- {
- int state;
- int old_state;
- char * out_string;
- char out_buf[sizeof (out_buf)];
- int add_newlines;
- char * saved_input;
- int saved_input_len;
+struct app_save {
+ int state;
+ int old_state;
+ char * out_string;
+ char out_buf[sizeof (out_buf)];
+ int add_newlines;
+ char * saved_input;
+ int saved_input_len;
#ifdef TC_M68K
- int scrub_m68k_mri;
+ int scrub_m68k_mri;
#endif
- const char * mri_state;
- char mri_last_ch;
+ const char * mri_state;
+ char mri_last_ch;
#if defined TC_ARM && defined OBJ_ELF
- const char * symver_state;
+ const char * symver_state;
#endif
- };
+};
char *
app_push ()
saved->symver_state = symver_state;
#endif
- /* do_scrub_begin() is not useful, just wastes time. */
+ /* do_scrub_begin() is not useful, just wastes time. */
state = 0;
saved_input = NULL;
return (char *) saved;
}
-void
+void
app_pop (arg)
char *arg;
{
register struct app_save *saved = (struct app_save *) arg;
- /* There is no do_scrub_end (). */
+ /* There is no do_scrub_end (). */
state = saved->state;
old_state = saved->old_state;
out_string = saved->out_string;
/* @@ This assumes that \n &c are the same on host and target. This is not
necessarily true. */
-static int
+static int
process_escape (ch)
int ch;
{
}
#ifdef KEEP_WHITE_AROUND_COLON
- if (lex[ch] == LEX_IS_COLON)
- {
- /* only keep this white if there's no white *after* the colon */
- ch2 = GET ();
- UNGET (ch2);
- if (!IS_WHITESPACE (ch2))
- {
- state = 9;
- UNGET (ch);
- PUT (' ');
- break;
- }
- }
+ if (lex[ch] == LEX_IS_COLON)
+ {
+ /* Only keep this white if there's no white *after* the
+ colon. */
+ ch2 = GET ();
+ UNGET (ch2);
+ if (!IS_WHITESPACE (ch2))
+ {
+ state = 9;
+ UNGET (ch);
+ PUT (' ');
+ break;
+ }
+ }
#endif
if (IS_COMMENT (ch)
|| ch == '/'
case LEX_IS_COLON:
#ifdef KEEP_WHITE_AROUND_COLON
- state = 9;
+ state = 9;
#else
if (state == 9 || state == 10)
state = 3;
--add_newlines;
UNGET (ch);
}
- /* fall thru into... */
+ /* Fall through. */
case LEX_IS_LINE_SEPARATOR:
state = 0;
#ifdef TC_V850
case LEX_IS_DOUBLEDASH_1ST:
- ch2 = GET();
+ ch2 = GET ();
if (ch2 != '-')
{
UNGET (ch2);
goto de_fault;
}
- /* read and skip to end of line */
+ /* Read and skip to end of line. */
do
{
ch = GET ();
state = 0;
PUT ('\n');
break;
-#endif
+#endif
#ifdef DOUBLEBAR_PARALLEL
case LEX_IS_DOUBLEBAR_1ST:
- ch2 = GET();
+ ch2 = GET ();
if (ch2 != '|')
{
UNGET (ch2);
PUT ('|');
PUT ('|');
break;
-#endif
+#endif
case LEX_IS_LINE_COMMENT_START:
/* FIXME-someday: The two character comment stuff was badly
thought out. On i386, we want '/' as line comment start
PUT ('\n');
break;
}
- /* Loks like `# 123 "filename"' from cpp. */
+ /* Looks like `# 123 "filename"' from cpp. */
UNGET (ch);
old_state = 4;
state = -1;
Trap is the only short insn that has a first operand that is
neither register nor label.
We must prevent exef0f ||trap #1 to degenerate to exef0f ||trap#1 .
- We can't make '#' LEX_IS_SYMBOL_COMPONENT because it is already
- LEX_IS_LINE_COMMENT_START. However, it is the only character in
- line_comment_chars for d10v, hence we can recognize it as such. */
+ We can't make '#' LEX_IS_SYMBOL_COMPONENT because it is
+ already LEX_IS_LINE_COMMENT_START. However, it is the
+ only character in line_comment_chars for d10v, hence we
+ can recognize it as such. */
/* An alternative approach would be to reset the state to 1 when
we see '||', '<'- or '->', but that seems to be overkill. */
- if (state == 10) PUT (' ');
+ if (state == 10)
+ PUT (' ');
#endif
/* We have a line comment character which is not at the
start of a line. If this is also a normal comment
#if defined TC_ARM && defined OBJ_ELF
/* On the ARM, `@' is the comment character.
Unfortunately this is also a special character in ELF .symver
- directives (and .type, though we deal with those another way). So
- we check if this line is such a directive, and treat the character
- as default if so. This is a hack. */
+ directives (and .type, though we deal with those another way).
+ So we check if this line is such a directive, and treat
+ the character as default if so. This is a hack. */
if ((symver_state != NULL) && (*symver_state == 0))
goto de_fault;
+#endif
+#ifdef WARN_COMMENTS
+ if (!found_comment)
+ as_where (&found_comment_file, &found_comment);
#endif
do
{
{
int type;
- ch2 = * (unsigned char *) s;
+ ch2 = *(unsigned char *) s;
type = lex[ch2];
if (type != 0
&& type != LEX_IS_SYMBOL_COMPONENT)
case 2: *to++ = *from++;
case 1: *to++ = *from++;
}
- }
+ }
ch = GET ();
}
}
projects / deliverable / binutils-gdb.git / blobdiff