#include "splay-tree.h"
#include "debug.h"
-/* MULTIBYTE_CHARS support only works for native compilers.
- ??? Ideally what we want is to model widechar support after
- the current floating point support. */
-#ifdef CROSS_COMPILE
-#undef MULTIBYTE_CHARS
-#endif
-
#ifdef MULTIBYTE_CHARS
#include "mbchar.h"
#include <locale.h>
c = cpp_parse_escape (parse_in, &p, limit, mask);
}
- /* Add this single character into the buffer either as a wchar_t
- or as a single byte. */
+ /* Add this single character into the buffer either as a wchar_t,
+ a multibyte sequence, or as a single byte. */
if (wide)
{
unsigned charwidth = TYPE_PRECISION (char_type_node);
}
q += WCHAR_BYTES;
}
+#ifdef MULTIBYTE_CHARS
+ else if (char_len > 1)
+ {
+ /* We're dealing with a multibyte character. */
+ for ( ; char_len >0; --char_len)
+ {
+ *q++ = *(p - char_len);
+ }
+ }
+#endif
else
{
*q++ = c;
#include "cpplib.h"
#include "cpphash.h"
-/* MULTIBYTE_CHARS support only works for native compilers.
- ??? Ideally what we want is to model widechar support after
- the current floating point support. */
-#ifdef CROSS_COMPILE
-#undef MULTIBYTE_CHARS
-#endif
-
#ifdef MULTIBYTE_CHARS
#include "mbchar.h"
#include <locale.h>
cpp_buffer *buffer = pfile->buffer;
unsigned int orig_line = pfile->line;
cppchar_t c;
+#ifdef MULTIBYTE_CHARS
+ wchar_t wc;
+ int char_len;
+#endif
pfile->state.lexing_comment = 1;
+#ifdef MULTIBYTE_CHARS
+ /* Reset multibyte conversion state. */
+ (void) local_mbtowc (NULL, NULL, 0);
+#endif
do
{
if (buffer->cur == buffer->rlimit)
goto at_eof;
+#ifdef MULTIBYTE_CHARS
+ char_len = local_mbtowc (&wc, (const char *) buffer->cur,
+ buffer->rlimit - buffer->cur);
+ if (char_len == -1)
+ {
+ cpp_error (pfile, DL_WARNING,
+ "ignoring invalid multibyte character");
+ char_len = 1;
+ c = *buffer->cur++;
+ }
+ else
+ {
+ buffer->cur += char_len;
+ c = wc;
+ }
+#else
c = *buffer->cur++;
+#endif
if (c == '?' || c == '\\')
c = skip_escaped_newlines (pfile);
}
unsigned char *dest, *limit;
cppchar_t c;
bool warned_nulls = false;
+#ifdef MULTIBYTE_CHARS
+ wchar_t wc;
+ int char_len;
+#endif
dest = BUFF_FRONT (pfile->u_buff);
limit = BUFF_LIMIT (pfile->u_buff);
+#ifdef MULTIBYTE_CHARS
+ /* Reset multibyte conversion state. */
+ (void) local_mbtowc (NULL, NULL, 0);
+#endif
for (;;)
{
/* We need room for another char, possibly the terminating NUL. */
limit = BUFF_LIMIT (pfile->u_buff);
}
- /* Handle trigraphs, escaped newlines etc. */
+#ifdef MULTIBYTE_CHARS
+ char_len = local_mbtowc (&wc, (const char *) buffer->cur,
+ buffer->rlimit - buffer->cur);
+ if (char_len == -1)
+ {
+ cpp_error (pfile, DL_WARNING,
+ "ignoring invalid multibyte character");
+ char_len = 1;
+ c = *buffer->cur++;
+ }
+ else
+ {
+ buffer->cur += char_len;
+ c = wc;
+ }
+#else
c = *buffer->cur++;
+#endif
+
+ /* Handle trigraphs, escaped newlines etc. */
if (c == '?' || c == '\\')
c = skip_escaped_newlines (pfile);
"null character(s) preserved in literal");
}
}
-
- *dest++ = c;
+#ifdef MULTIBYTE_CHARS
+ if (char_len > 1)
+ {
+ for ( ; char_len > 0; --char_len)
+ *dest++ = (*buffer->cur - char_len);
+ }
+ else
+#endif
+ *dest++ = c;
}
*dest = '\0';
} val;
};
-/* A standalone character. We may want to make it unsigned for the
- same reason we use unsigned char - to avoid signedness issues. */
-typedef int cppchar_t;
+/* A standalone character. It is unsigned for the same reason we use
+ unsigned char - to avoid signedness issues. */
+typedef unsigned int cppchar_t;
/* Values for opts.dump_macros.
dump_only means inhibit output of the preprocessed text