Update V8 to version 4.1.0.21
This is a cherry-pick of all commits up to and including the
4.1.0.21 cherry-pick in Chromium.
Original commit message:
Version 4.1.0.21 (cherry-pick)
Merged 206e9136bde0f2b5ae8cb77afbb1e7833e5bd412
Unlink pages from the space page list after evacuation.
BUG=430201
LOG=N
R=jkummerow@chromium.org
Review URL: https://codereview.chromium.org/953813002
Cr-Commit-Position: refs/branch-heads/4.1@{#22}
Cr-Branched-From: 2e08d2a7aa9d65d269d8c57aba82eb38a8cb0a18-refs/heads/candidates@{#25353}
---
FPIIM-449
Change-Id: I8c23c7bbb70772b4858fe8a47b64fa97ee0d1f8c
diff --git a/src/char-predicates.cc b/src/char-predicates.cc
new file mode 100644
index 0000000..ab551d8
--- /dev/null
+++ b/src/char-predicates.cc
@@ -0,0 +1,42 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "src/char-predicates.h"
+
+#ifdef V8_I18N_SUPPORT
+#include "unicode/uchar.h"
+#include "unicode/urename.h"
+#endif // V8_I18N_SUPPORT
+
+namespace v8 {
+namespace internal {
+
+bool SupplementaryPlanes::IsIDStart(uc32 c) {
+ DCHECK(c > 0xFFFF);
+#ifdef V8_I18N_SUPPORT
+ // This only works for code points in the SMPs, since ICU does not exclude
+ // code points with properties 'Pattern_Syntax' or 'Pattern_White_Space'.
+ // Code points in the SMP do not have those properties.
+ return u_isIDStart(c);
+#else
+ // This is incorrect, but if we don't have ICU, use this as fallback.
+ return false;
+#endif // V8_I18N_SUPPORT
+}
+
+
+bool SupplementaryPlanes::IsIDPart(uc32 c) {
+ DCHECK(c > 0xFFFF);
+#ifdef V8_I18N_SUPPORT
+ // This only works for code points in the SMPs, since ICU does not exclude
+ // code points with properties 'Pattern_Syntax' or 'Pattern_White_Space'.
+ // Code points in the SMP do not have those properties.
+ return u_isIDPart(c);
+#else
+ // This is incorrect, but if we don't have ICU, use this as fallback.
+ return false;
+#endif // V8_I18N_SUPPORT
+}
+}
+} // namespace v8::internal