/* macro.c - macro support for gas
Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
- 2004, 2005 Free Software Foundation, Inc.
+ 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
Written by Steve and Judy Chamberlain of Cygnus Support,
sac@cygnus.com
GAS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
+ the Free Software Foundation; either version 3, or (at your option)
any later version.
GAS is distributed in the hope that it will be useful,
Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
02110-1301, USA. */
-#include "config.h"
-
-#ifndef __GNUC__
-# if HAVE_ALLOCA_H
-# include <alloca.h>
-# else
-# ifdef _AIX
-/* Indented so that pre-ansi C compilers will ignore it, rather than
- choke on it. Some versions of AIX require this to be the first
- thing in the file. */
- #pragma alloca
-# else
-# ifndef alloca /* predefined by HP cc +Olibcalls */
-# if !defined (__STDC__) && !defined (__hpux)
-extern char *alloca ();
-# else
-extern void *alloca ();
-# endif /* __STDC__, __hpux */
-# endif /* alloca */
-# endif /* _AIX */
-# endif /* HAVE_ALLOCA_H */
-#endif /* __GNUC__ */
-
-#include <stdio.h>
-#ifdef HAVE_STRING_H
-#include <string.h>
-#else
-#include <strings.h>
-#endif
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
#include "as.h"
-#include "libiberty.h"
#include "safe-ctype.h"
#include "sb.h"
-#include "hash.h"
#include "macro.h"
-#include "asintl.h"
-
/* The routines in this file handle macro definition and expansion.
They are called by gas. */
while (more)
{
- /* Try and find the first pseudo op on the line. */
+ /* Try to find the first pseudo op on the line. */
int i = line_start;
- if (! NO_PSEUDO_DOT && ! flag_m68k_mri)
- {
- /* With normal syntax we can suck what we want till we get
- to the dot. With the alternate, labels have to start in
- the first column, since we can't tell what's a label and
- whats a pseudoop. */
+ /* With normal syntax we can suck what we want till we get
+ to the dot. With the alternate, labels have to start in
+ the first column, since we can't tell what's a label and
+ what's a pseudoop. */
- if (! LABELS_WITHOUT_COLONS)
- {
- /* Skip leading whitespace. */
- while (i < ptr->len && ISWHITE (ptr->ptr[i]))
- i++;
- }
+ if (! LABELS_WITHOUT_COLONS)
+ {
+ /* Skip leading whitespace. */
+ while (i < ptr->len && ISWHITE (ptr->ptr[i]))
+ i++;
+ }
- for (;;)
+ for (;;)
+ {
+ /* Skip over a label, if any. */
+ if (i >= ptr->len || ! is_name_beginner (ptr->ptr[i]))
+ break;
+ i++;
+ while (i < ptr->len && is_part_of_name (ptr->ptr[i]))
+ i++;
+ if (i < ptr->len && is_name_ender (ptr->ptr[i]))
+ i++;
+ if (LABELS_WITHOUT_COLONS)
+ break;
+ /* Skip whitespace. */
+ while (i < ptr->len && ISWHITE (ptr->ptr[i]))
+ i++;
+ /* Check for the colon. */
+ if (i >= ptr->len || ptr->ptr[i] != ':')
{
- /* Skip over a label, if any. */
- if (i >= ptr->len || ! is_name_beginner (ptr->ptr[i]))
- break;
- i++;
- while (i < ptr->len && is_part_of_name (ptr->ptr[i]))
- i++;
- if (i < ptr->len && is_name_ender (ptr->ptr[i]))
- i++;
- if (LABELS_WITHOUT_COLONS)
- break;
- /* Skip whitespace. */
- while (i < ptr->len && ISWHITE (ptr->ptr[i]))
- i++;
- /* Check for the colon. */
- if (i >= ptr->len || ptr->ptr[i] != ':')
- {
- i = line_start;
- break;
- }
- i++;
- line_start = i;
+ i = line_start;
+ break;
}
-
+ i++;
+ line_start = i;
}
+
/* Skip trailing whitespace. */
while (i < ptr->len && ISWHITE (ptr->ptr[i]))
i++;
/* Fetch string from the input stream,
rules:
'Bxyx<whitespace> -> return 'Bxyza
- %<char> -> return string of decimal value of x
- "<string>" -> return string
- xyx<whitespace> -> return xyz
-*/
+ %<expr> -> return string of decimal value of <expr>
+ "string" -> return string
+ (string) -> return (string-including-whitespaces)
+ xyx<whitespace> -> return xyz. */
static int
get_any_string (int idx, sb *in, sb *out)
{
int val;
char buf[20];
+
/* Turns the next expression into a string. */
/* xgettext: no-c-format */
idx = (*macro_expr) (_("% operator needs absolute expression"),
|| (in->ptr[idx] == '<' && (macro_alternate || macro_mri))
|| (macro_alternate && in->ptr[idx] == '\''))
{
- if (macro_alternate && ! macro_strip_at)
+ if (macro_alternate && ! macro_strip_at && in->ptr[idx] != '<')
{
/* Keep the quotes. */
- sb_add_char (out, '\"');
-
+ sb_add_char (out, '"');
idx = getstring (idx, in, out);
- sb_add_char (out, '\"');
+ sb_add_char (out, '"');
}
else
{
}
else
{
+ char *br_buf = xmalloc(1);
+ char *in_br = br_buf;
+
+ *in_br = '\0';
while (idx < in->len
- && in->ptr[idx] != ' '
- && in->ptr[idx] != '\t'
+ && (*in_br
+ || (in->ptr[idx] != ' '
+ && in->ptr[idx] != '\t'))
&& in->ptr[idx] != ','
&& (in->ptr[idx] != '<'
|| (! macro_alternate && ! macro_mri)))
{
- if (in->ptr[idx] == '"'
- || in->ptr[idx] == '\'')
+ char tchar = in->ptr[idx];
+
+ switch (tchar)
{
- char tchar = in->ptr[idx];
+ case '"':
+ case '\'':
sb_add_char (out, in->ptr[idx++]);
while (idx < in->len
&& in->ptr[idx] != tchar)
sb_add_char (out, in->ptr[idx++]);
if (idx == in->len)
return idx;
+ break;
+ case '(':
+ case '[':
+ if (in_br > br_buf)
+ --in_br;
+ else
+ {
+ br_buf = xmalloc(strlen(in_br) + 2);
+ strcpy(br_buf + 1, in_br);
+ free(in_br);
+ in_br = br_buf;
+ }
+ *in_br = tchar;
+ break;
+ case ')':
+ if (*in_br == '(')
+ ++in_br;
+ break;
+ case ']':
+ if (*in_br == '[')
+ ++in_br;
+ break;
}
- sb_add_char (out, in->ptr[idx++]);
+ sb_add_char (out, tchar);
+ ++idx;
}
+ free(br_buf);
}
}
sb t;
formal_entry *ptr;
formal_entry *f;
- int is_positional = 0;
int is_keyword = 0;
int narg = 0;
const char *err = NULL;
}
else
{
- /* This is a positional arg. */
- is_positional = 1;
if (is_keyword)
{
err = _("can't mix positional and keyword arguments");
}
else
{
+ bfd_boolean in_quotes = FALSE;
+
if (irpc && in->ptr[idx] == '"')
- ++idx;
+ {
+ in_quotes = TRUE;
+ ++idx;
+ }
+
while (idx < in->len)
{
if (!irpc)
{
int nxt;
+ if (irpc)
+ in_quotes = ! in_quotes;
+
nxt = sb_skip_white (idx + 1, in);
if (nxt >= in->len)
{
sb_add_char (&f.actual, in->ptr[idx]);
++idx;
}
+
err = macro_expand_body (&sub, out, &f, h, 0);
if (err != NULL)
break;
if (!irpc)
idx = sb_skip_comma (idx, in);
- else
+ else if (! in_quotes)
idx = sb_skip_white (idx, in);
}
}