#include "config.h"
#include "system.h"
#include "tree.h"
+#ifdef __STDC__
+#include <stdarg.h>
+#else
+#include <varargs.h>
+#endif
/* cp_printer is the type of a function which converts an argument into
a string for digestion by printf. The cp_printer function should deal
with all memory management; the functions in this file will not free
the char*s returned. See error.c for an example use of this code. */
-typedef char* cp_printer PROTO((HOST_WIDE_INT, int));
+typedef char* cp_printer PROTO((tree, int));
extern cp_printer * cp_printers[256];
/* Whether or not we should try to be quiet for errors and warnings; this is
#define STRDUP(f) (ap = (char *) alloca (strlen (f) +1), strcpy (ap, (f)), ap)
-#define NARGS 5
-#define arglist a1, a2, a3, a4, a5
-#define arglist_dcl HOST_WIDE_INT a1, a2, a3, a4, a5;
-#define ARGSINIT \
- args[0] = a1; args[1] = a2; args[2] = a3; args[3] = a4; args[4] = a5;
-#define ARGSLIST args[0], args[1], args[2], args[3], args[4]
+/* This function supports only `%s', `%d', and the C++ print codes. */
+#ifdef __STDC__
static void
-cp_thing (errfn, atarg1, format, arglist)
+cp_thing (errorfn *errfn, int atarg1, const char *format, va_list ap)
+#else
+static void
+cp_thing (errfn, atarg1, format, ap)
errorfn *errfn;
int atarg1;
- char *format;
- arglist_dcl
+ const char *format;
+ va_list ap;
+#endif
{
- char *fmt;
- char *f;
- char *ap;
- int arg;
- HOST_WIDE_INT atarg = atarg1 ? a1 : 0;
- HOST_WIDE_INT args[NARGS];
- ARGSINIT
-
- fmt = STRDUP(format);
-
- for (f = fmt, arg = 0; *f; ++f)
+ static char *buf;
+ static long buflen;
+ int nargs = 0;
+ long len;
+ long offset;
+ const char *f;
+ tree atarg = 0;
+
+ len = strlen (format) + 1;
+ if (len > buflen)
+ {
+ buflen = len;
+ buf = xmalloc (buflen);
+ }
+ offset = 0;
+
+ for (f = format; *f; ++f)
{
cp_printer * function;
int alternate;
int maybe_here;
/* ignore text */
- if (*f != '%') continue;
+ if (*f != '%')
+ {
+ buf[offset++] = *f;
+ continue;
+ }
++f;
alternate = 0;
maybe_here = 0;
- /* ignore most flags */
- while (*f == ' ' || *f == '-' || *f == '+' || *f == '#')
+ /* Check for '+' and '#' (in that order). */
+ if (*f == '+')
{
- if (*f == '+')
- maybe_here = 1;
- else if (*f == '#')
- alternate = 1;
+ maybe_here = 1;
++f;
}
-
- /* ignore field width */
- if (*f == '*')
+ if (*f == '#')
{
+ alternate = 1;
++f;
- ++arg;
}
- else
- while (isdigit (*f))
- ++f;
- /* ignore precision */
- if (*f == '.')
- {
- ++f;
- if (*f == '*')
- {
- ++f;
- ++arg;
- }
- else
- while (isdigit (*f))
- ++f;
- }
-
- /* ignore "long" */
- if (*f == 'l')
- ++f;
+ /* no field width or precision */
function = cp_printers[(int)*f];
- if (function)
+ if (function || *f == 's')
{
char *p;
+ int plen;
- if (arg >= NARGS) abort ();
-
- if (maybe_here && atarg1)
- atarg = args[arg];
+ if (*f == 's')
+ {
+ p = va_arg (ap, char *);
+ nargs++;
+ }
+ else
+ {
+ tree t = va_arg (ap, tree);
+ nargs++;
- /* Must use a temporary to avoid calling *function twice */
- p = (*function) (args[arg], alternate);
- args[arg] = (HOST_WIDE_INT) STRDUP(p);
- *f = 's';
- }
+ /* This indicates that ATARG comes from a different
+ location than normal. */
+ if (maybe_here && atarg1)
+ atarg = t;
- ++arg; /* Assume valid format string */
+ /* If atarg1 is set and this is the first argument, then
+ set ATARG appropriately. */
+ if (atarg1 && nargs == 1)
+ atarg = t;
+ p = (*function) (t, alternate);
+ }
+
+ plen = strlen (p);
+ len += plen;
+ if (len > buflen)
+ {
+ buflen = len;
+ buf = xrealloc (buf, len);
+ }
+ strcpy (buf + offset, p);
+ offset += plen;
+ }
+ else
+ {
+ if (*f != 'd')
+ abort ();
+ len += HOST_BITS_PER_INT / 2;
+ if (len > buflen)
+ {
+ buflen = len;
+ buf = xmalloc (len);
+ }
+ sprintf (buf + offset, "%d", va_arg (ap, int));
+ nargs++;
+ offset += strlen (buf + offset);
+ /* With an ANSI C library one could write
+ out += sprintf (...); */
+ }
}
+ buf[offset] = '\0';
+
+ /* If ATARG1 is set, but we haven't extracted any arguments, then
+ extract one tree argument for ATARG. */
+ if (nargs == 0 && atarg1)
+ atarg = va_arg (ap, tree);
if (atarg)
{
- char *file = cp_file_of ((tree) atarg);
- int line = cp_line_of ((tree) atarg);
- (*errfn) (file, line, fmt, ARGSLIST);
+ char *file = cp_file_of (atarg);
+ int line = cp_line_of (atarg);
+ (*errfn) (file, line, buf);
}
else
- (*errfn) (fmt, ARGSLIST);
+ (*errfn) (buf);
}
-void
-cp_error (format, arglist)
- char *format;
- arglist_dcl
+#ifdef __STDC__
+#define DECLARE(name) void name (const char *format, ...)
+#define INIT va_start (ap, format)
+#else
+#define DECLARE(name) void name (format, va_alist) char *format; va_dcl
+#define INIT va_start (ap)
+#endif
+
+DECLARE (cp_error)
{
extern errorfn error;
+ va_list ap;
+ INIT;
if (! cp_silent)
- cp_thing (error, 0, format, arglist);
+ cp_thing (error, 0, format, ap);
+ va_end (ap);
}
-void
-cp_warning (format, arglist)
- char *format;
- arglist_dcl
+DECLARE (cp_warning)
{
extern errorfn warning;
+ va_list ap;
+ INIT;
if (! cp_silent)
- cp_thing (warning, 0, format, arglist);
+ cp_thing (warning, 0, format, ap);
+ va_end (ap);
}
-void
-cp_pedwarn (format, arglist)
- char *format;
- arglist_dcl
+DECLARE (cp_pedwarn)
{
+ va_list ap;
+ INIT;
if (! cp_silent)
- cp_thing ((errorfn *) pedwarn, 0, format, arglist);
+ cp_thing ((errorfn *) pedwarn, 0, format, ap);
+ va_end (ap);
}
-void
-cp_compiler_error (format, arglist)
- char *format;
- arglist_dcl
+DECLARE (cp_compiler_error)
{
extern errorfn compiler_error;
+ va_list ap;
+ INIT;
if (! cp_silent)
- cp_thing (compiler_error, 0, format, arglist);
+ cp_thing (compiler_error, 0, format, ap);
+ va_end (ap);
}
-void
-cp_sprintf (format, arglist)
- char *format;
- arglist_dcl
+DECLARE (cp_sprintf)
{
- cp_thing ((errorfn *) sprintf, 0, format, arglist);
+ va_list ap;
+ INIT;
+ cp_thing ((errorfn *) sprintf, 0, format, ap);
+ va_end (ap);
}
-void
-cp_error_at (format, arglist)
- char *format;
- arglist_dcl
+DECLARE (cp_error_at)
{
+ va_list ap;
+ INIT;
if (! cp_silent)
- cp_thing ((errorfn *) error_with_file_and_line, 1, format, arglist);
+ cp_thing ((errorfn *) error_with_file_and_line, 1, format, ap);
+ va_end (ap);
}
-void
-cp_warning_at (format, arglist)
- char *format;
- arglist_dcl
+DECLARE (cp_warning_at)
{
+ va_list ap;
+ INIT;
if (! cp_silent)
- cp_thing ((errorfn *) warning_with_file_and_line, 1, format, arglist);
+ cp_thing ((errorfn *) warning_with_file_and_line, 1, format, ap);
+ va_end (ap);
}
-void
-cp_pedwarn_at (format, arglist)
- char *format;
- arglist_dcl
+DECLARE (cp_pedwarn_at)
{
+ va_list ap;
+ INIT;
if (! cp_silent)
- cp_thing ((errorfn *) pedwarn_with_file_and_line, 1, format, arglist);
+ cp_thing ((errorfn *) pedwarn_with_file_and_line, 1, format, ap);
+ va_end (ap);
}