X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=unicode.h;h=18b19d56d5ead4e7bee30316b3da447234fa6675;hb=f7f1fcc7021a3c622316b6415c16f83d0a64ae4a;hp=208819766e46c877de3ec3e987baa4992b24eb19;hpb=5e80d9852edea8472cd478655d70f5c4a1eddbdc;p=cparser

diff --git a/unicode.h b/unicode.h
index 2088197..18b19d5 100644
--- a/unicode.h
+++ b/unicode.h
@@ -2,6 +2,7 @@
 #define UNICODE_H
 
 #include <assert.h>
+#include "adt/obst.h"
 
 typedef unsigned int utf32;
 #define UTF32_PRINTF_FORMAT "%u"
@@ -44,4 +45,23 @@ static inline utf32 read_utf8_char(const char **p)
 	return result;
 }
 
+static inline void obstack_grow_symbol(struct obstack *obstack, utf32 const tc)
+{
+	if (tc < 0x80U) {
+		obstack_1grow(obstack, tc);
+	} else if (tc < 0x800) {
+		obstack_1grow(obstack, 0xC0 | (tc >> 6));
+		obstack_1grow(obstack, 0x80 | (tc & 0x3F));
+	} else if (tc < 0x10000) {
+		obstack_1grow(obstack, 0xE0 | ( tc >> 12));
+		obstack_1grow(obstack, 0x80 | ((tc >>  6) & 0x3F));
+		obstack_1grow(obstack, 0x80 | ( tc        & 0x3F));
+	} else {
+		obstack_1grow(obstack, 0xF0 | ( tc >> 18));
+		obstack_1grow(obstack, 0x80 | ((tc >> 12) & 0x3F));
+		obstack_1grow(obstack, 0x80 | ((tc >>  6) & 0x3F));
+		obstack_1grow(obstack, 0x80 | ( tc        & 0x3F));
+	}
+}
+
 #endif