2009-06-05 Koen Kooi <koen@dominion.thruhere.net>

        Reviewed by Xan Lopez.

        Build fix for glib unicode backend.

        * wtf/unicode/glib/UnicodeMacrosFromICU.h:

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@44459 268f45cc-cd09-0410-ab3c-d52691b4dbfc

diff --git a/JavaScriptCore/ChangeLog b/JavaScriptCore/ChangeLog
index 09ae60a6a46fbc8a136be5f5872f46c32d3fc679..da73aff47894652ad43c2c26ba059b5f69ed5f89 100644 (file)
--- a/JavaScriptCore/ChangeLog
+++ b/JavaScriptCore/ChangeLog
@@ -1,3 +1,11 @@
+2009-06-05  Koen Kooi <koen@dominion.thruhere.net>
+
+        Reviewed by Xan Lopez.
+
+        Build fix for glib unicode backend.
+
+        * wtf/unicode/glib/UnicodeMacrosFromICU.h:
+
 2009-06-05  Gavin Barraclough  <barraclough@apple.com>
 
         Reviewed by Oliver Hunt.

diff --git a/JavaScriptCore/wtf/unicode/glib/UnicodeMacrosFromICU.h b/JavaScriptCore/wtf/unicode/glib/UnicodeMacrosFromICU.h
index 17ce2922cfd19cd4c1584c232e7e738108740805..5d3eca68735928da3837204b8ad8d729f896e6c2 100644 (file)
--- a/JavaScriptCore/wtf/unicode/glib/UnicodeMacrosFromICU.h
+++ b/JavaScriptCore/wtf/unicode/glib/UnicodeMacrosFromICU.h
@@ -41,6 +41,17 @@
 #define U16_IS_SURROGATE(c) U_IS_SURROGATE(c)
 #define U16_IS_SURROGATE_LEAD(c) (((c)&0x400)==0)
 
+#define U16_PREV(s, start, i, c) { \
+    (c)=(s)[--(i)]; \
+    if(U16_IS_TRAIL(c)) { \
+        uint16_t __c2; \
+        if((i)>(start) && U16_IS_LEAD(__c2=(s)[(i)-1])) { \
+            --(i); \
+            (c)=U16_GET_SUPPLEMENTARY(__c2, (c)); \
+        } \
+    } \
+}
+
 #define U16_NEXT(s, i, length, c) { \
     (c)=(s)[(i)++]; \
     if(U16_IS_LEAD(c)) { \