#define WHITEBIT 8
#define COMMENTBIT 16
#define BASEBIT 32
-#define ISCOMMENTCHAR(x) (chartype[(unsigned)(x)] & COMMENTBIT)
-#define ISFIRSTCHAR(x) (chartype[(unsigned)(x)] & FIRSTBIT)
-#define ISNEXTCHAR(x) (chartype[(unsigned)(x)] & NEXTBIT)
-#define ISSEP(x) (chartype[(unsigned)(x)] & SEPBIT)
-#define ISWHITE(x) (chartype[(unsigned)(x)] & WHITEBIT)
-#define ISBASE(x) (chartype[(unsigned)(x)] & BASEBIT)
+#define ISCOMMENTCHAR(x) (chartype[(unsigned char)(x)] & COMMENTBIT)
+#define ISFIRSTCHAR(x) (chartype[(unsigned char)(x)] & FIRSTBIT)
+#define ISNEXTCHAR(x) (chartype[(unsigned char)(x)] & NEXTBIT)
+#define ISSEP(x) (chartype[(unsigned char)(x)] & SEPBIT)
+#define ISWHITE(x) (chartype[(unsigned char)(x)] & WHITEBIT)
+#define ISBASE(x) (chartype[(unsigned char)(x)] & BASEBIT)
static char chartype[256];
/* macro.c - macro support for gas and gasp
- Copyright (C) 1994, 95, 96, 1997 Free Software Foundation, Inc.
+ Copyright (C) 1994, 95, 96, 97, 1998 Free Software Foundation, Inc.
Written by Steve and Judy Chamberlain of Cygnus Support,
sac@cygnus.com
/* AIX requires this to be the first thing in the file. */
#ifdef __GNUC__
-#ifdef __STDC__
+# ifndef alloca
+# ifdef __STDC__
extern void *alloca ();
-#else
+# else
extern char *alloca ();
-#endif
+# endif
+# endif
#else
# if HAVE_ALLOCA_H
# include <alloca.h>
#define ISSEP(x) \
((x) == ' ' || (x) == '\t' || (x) == ',' || (x) == '"' || (x) == ';' \
- || (x) == '<' || (x) == '>' || (x) == ')' || (x) == '(')
+ || (x) == ')' || (x) == '(' \
+ || ((macro_alternate || macro_mri) && ((x) == '<' || (x) == '>')))
#define ISBASE(x) \
((x) == 'b' || (x) == 'B' \
while (idx < in->len
&& (in->ptr[idx] == '"'
- || in->ptr[idx] == '<'
+ || (in->ptr[idx] == '<' && (macro_alternate || macro_mri))
|| (in->ptr[idx] == '\'' && macro_alternate)))
{
if (in->ptr[idx] == '<')
{
- if (macro_alternate || macro_mri)
+ int nest = 0;
+ idx++;
+ while ((in->ptr[idx] != '>' || nest)
+ && idx < in->len)
{
- int nest = 0;
- idx++;
- while ((in->ptr[idx] != '>' || nest)
- && idx < in->len)
+ if (in->ptr[idx] == '!')
{
- if (in->ptr[idx] == '!')
- {
- idx++ ;
- sb_add_char (acc, in->ptr[idx++]);
- }
- else
- {
- if (in->ptr[idx] == '>')
- nest--;
- if (in->ptr[idx] == '<')
- nest++;
- sb_add_char (acc, in->ptr[idx++]);
- }
+ idx++ ;
+ sb_add_char (acc, in->ptr[idx++]);
+ }
+ else
+ {
+ if (in->ptr[idx] == '>')
+ nest--;
+ if (in->ptr[idx] == '<')
+ nest++;
+ sb_add_char (acc, in->ptr[idx++]);
}
- idx++;
- }
- else
- {
- int code;
- idx++;
- idx = ((*macro_expr)
- ("character code in string must be absolute expression",
- idx, in, &code));
- sb_add_char (acc, code);
-
-#if 0
- if (in->ptr[idx] != '>')
- ERROR ((stderr, "Missing > for character code.\n"));
-#endif
- idx++;
}
+ idx++;
}
else if (in->ptr[idx] == '"' || in->ptr[idx] == '\'')
{
sb_add_string (out, buf);
}
else if (in->ptr[idx] == '"'
- || in->ptr[idx] == '<'
+ || (in->ptr[idx] == '<' && (macro_alternate || macro_mri))
|| (macro_alternate && in->ptr[idx] == '\''))
{
if (macro_alternate
|| (in->ptr[idx] != ' '
&& in->ptr[idx] != '\t'
&& in->ptr[idx] != ','
- && in->ptr[idx] != '<')))
+ && (in->ptr[idx] != '<'
+ || (! macro_alternate && ! macro_mri)))))
{
if (in->ptr[idx] == '"'
|| in->ptr[idx] == '\'')
sb_add_sb (out, &ptr->def);
}
}
+ else if (kind == '&')
+ {
+ /* Doing this permits people to use & in macro bodies. */
+ sb_add_char (out, '&');
+ }
else if (copyifnotthere)
{
sb_add_sb (out, t);
}
else
{
- /* FIXME: Why do we do this? It prevents people from
- using the & operator in a macro. */
+ /* FIXME: Why do we do this? */
src = sub_actual (src + 1, in, &t, formal_hash, '&', out, 0);
}
}
{
/* Sub in the macro invocation number */
- char buffer[6];
+ char buffer[10];
src++;
sprintf (buffer, "%05d", macro_number);
sb_add_string (out, buffer);
if (scan < in->len && !macro_alternate && in->ptr[scan] == '=')
{
is_keyword = 1;
- if (is_positional)
- return "can't mix positional and keyword arguments";
+
+ /* It's OK to go from positional to keyword. */
/* This is a keyword arg, fetch the formal name and
then the actual stuff */