Update V8 to r7427: Initial merge by git

As required by WebKit r82507

Change-Id: I7ae83ef3f689356043b4929255b7c1dd31d8c5df

1 files changed, 28 insertions, 19 deletions

diff --git a/src/regexp-macro-assembler.cc b/src/regexp-macro-assembler.cc
index 51f4015f..ea41db63 100644
--- a/src/regexp-macro-assembler.cc
+++ b/src/regexp-macro-assembler.cc
@@ -105,7 +105,8 @@ NativeRegExpMacroAssembler::Result NativeRegExpMacroAssembler::Match(
     Handle<String> subject,
     int* offsets_vector,
     int offsets_vector_length,
-    int previous_index) {
+    int previous_index,
+    Isolate* isolate) {
 
   ASSERT(subject->IsFlat());
   ASSERT(previous_index >= 0);
@@ -142,7 +143,8 @@ NativeRegExpMacroAssembler::Result NativeRegExpMacroAssembler::Match(
                        start_offset,
                        input_start,
                        input_end,
-                       offsets_vector);
+                       offsets_vector,
+                       isolate);
   return res;
 }
 
@@ -153,10 +155,12 @@ NativeRegExpMacroAssembler::Result NativeRegExpMacroAssembler::Execute(
     int start_offset,
     const byte* input_start,
     const byte* input_end,
-    int* output) {
+    int* output,
+    Isolate* isolate) {
+  ASSERT(isolate == Isolate::Current());
   // Ensure that the minimum stack has been allocated.
-  RegExpStack stack;
-  Address stack_base = RegExpStack::stack_base();
+  RegExpStackScope stack_scope(isolate);
+  Address stack_base = stack_scope.stack()->stack_base();
 
   int direct_call = 0;
   int result = CALL_GENERATED_REGEXP_CODE(code->entry(),
@@ -166,23 +170,21 @@ NativeRegExpMacroAssembler::Result NativeRegExpMacroAssembler::Execute(
                                           input_end,
                                           output,
                                           stack_base,
-                                          direct_call);
+                                          direct_call,
+                                          isolate);
   ASSERT(result <= SUCCESS);
   ASSERT(result >= RETRY);
 
-  if (result == EXCEPTION && !Top::has_pending_exception()) {
+  if (result == EXCEPTION && !isolate->has_pending_exception()) {
     // We detected a stack overflow (on the backtrack stack) in RegExp code,
     // but haven't created the exception yet.
-    Top::StackOverflow();
+    isolate->StackOverflow();
   }
   return static_cast<Result>(result);
 }
 
 
-static unibrow::Mapping<unibrow::Ecma262Canonicalize> canonicalize;
-
-
-byte NativeRegExpMacroAssembler::word_character_map[] = {
+const byte NativeRegExpMacroAssembler::word_character_map[] = {
     0x00u, 0x00u, 0x00u, 0x00u, 0x00u, 0x00u, 0x00u, 0x00u,
     0x00u, 0x00u, 0x00u, 0x00u, 0x00u, 0x00u, 0x00u, 0x00u,
     0x00u, 0x00u, 0x00u, 0x00u, 0x00u, 0x00u, 0x00u, 0x00u,
@@ -208,7 +210,11 @@ byte NativeRegExpMacroAssembler::word_character_map[] = {
 int NativeRegExpMacroAssembler::CaseInsensitiveCompareUC16(
     Address byte_offset1,
     Address byte_offset2,
-    size_t byte_length) {
+    size_t byte_length,
+    Isolate* isolate) {
+  ASSERT(isolate == Isolate::Current());
+  unibrow::Mapping<unibrow::Ecma262Canonicalize>* canonicalize =
+      isolate->regexp_macro_assembler_canonicalize();
   // This function is not allowed to cause a garbage collection.
   // A GC might move the calling generated code and invalidate the
   // return address on the stack.
@@ -222,10 +228,10 @@ int NativeRegExpMacroAssembler::CaseInsensitiveCompareUC16(
     unibrow::uchar c2 = substring2[i];
     if (c1 != c2) {
       unibrow::uchar s1[1] = { c1 };
-      canonicalize.get(c1, '\0', s1);
+      canonicalize->get(c1, '\0', s1);
       if (s1[0] != c2) {
         unibrow::uchar s2[1] = { c2 };
-        canonicalize.get(c2, '\0', s2);
+        canonicalize->get(c2, '\0', s2);
         if (s1[0] != s2[0]) {
           return 0;
         }
@@ -237,13 +243,16 @@ int NativeRegExpMacroAssembler::CaseInsensitiveCompareUC16(
 
 
 Address NativeRegExpMacroAssembler::GrowStack(Address stack_pointer,
-                                              Address* stack_base) {
-  size_t size = RegExpStack::stack_capacity();
-  Address old_stack_base = RegExpStack::stack_base();
+                                              Address* stack_base,
+                                              Isolate* isolate) {
+  ASSERT(isolate == Isolate::Current());
+  RegExpStack* regexp_stack = isolate->regexp_stack();
+  size_t size = regexp_stack->stack_capacity();
+  Address old_stack_base = regexp_stack->stack_base();
   ASSERT(old_stack_base == *stack_base);
   ASSERT(stack_pointer <= old_stack_base);
   ASSERT(static_cast<size_t>(old_stack_base - stack_pointer) <= size);
-  Address new_stack_base = RegExpStack::EnsureCapacity(size * 2);
+  Address new_stack_base = regexp_stack->EnsureCapacity(size * 2);
   if (new_stack_base == NULL) {
     return NULL;
   }