Implement set trap for proxies, and revamp class hierarchy in preparation

src/ia32/lithium-codegen-ia32.cc

Index: src/ia32/lithium-codegen-ia32.cc
diff --git a/src/ia32/lithium-codegen-ia32.cc b/src/ia32/lithium-codegen-ia32.cc
index ea42f22bec99f20877e840ca6ee6a91df94e675b..2d569e08cf1163b991aacc32482fbcde8493a157 100644
--- a/src/ia32/lithium-codegen-ia32.cc
+++ b/src/ia32/lithium-codegen-ia32.cc
@@ -1680,9 +1680,9 @@ Condition LCodeGen::EmitIsObject(Register input,
   __ j(not_zero, is_not_object);
 
   __ movzx_b(temp2, FieldOperand(temp1, Map::kInstanceTypeOffset));
-  __ cmp(temp2, FIRST_JS_OBJECT_TYPE);
+  __ cmp(temp2, FIRST_NONCALLABLE_SPEC_OBJECT_TYPE);
   __ j(below, is_not_object);
-  __ cmp(temp2, LAST_JS_OBJECT_TYPE);
+  __ cmp(temp2, LAST_NONCALLABLE_SPEC_OBJECT_TYPE);
   return below_equal;
 }
 
@@ -1895,26 +1895,27 @@ void LCodeGen::EmitClassOfTest(Label* is_true,
   ASSERT(!temp.is(temp2));  // But input and temp2 may be the same register.
   __ test(input, Immediate(kSmiTagMask));
   __ j(zero, is_false);
-  __ CmpObjectType(input, FIRST_JS_OBJECT_TYPE, temp);
+  __ CmpObjectType(input, FIRST_SPEC_OBJECT_TYPE, temp);
   __ j(below, is_false);
 
   // Map is now in temp.
   // Functions have class 'Function'.
-  __ CmpInstanceType(temp, JS_FUNCTION_TYPE);
+  __ CmpInstanceType(temp, FIRST_CALLABLE_SPEC_OBJECT_TYPE);
   if (class_name->IsEqualTo(CStrVector("Function"))) {
-    __ j(equal, is_true);
+    __ j(above_equal, is_true);
   } else {
-    __ j(equal, is_false);
+    __ j(above_equal, is_false);
   }
 
   // Check if the constructor in the map is a function.
   __ mov(temp, FieldOperand(temp, Map::kConstructorOffset));
 
-  // As long as JS_FUNCTION_TYPE is the last instance type and it is
-  // right after LAST_JS_OBJECT_TYPE, we can avoid checking for
-  // LAST_JS_OBJECT_TYPE.
-  ASSERT(LAST_TYPE == JS_FUNCTION_TYPE);
-  ASSERT(JS_FUNCTION_TYPE == LAST_JS_OBJECT_TYPE + 1);
+  // As long as LAST_CALLABLE_SPEC_OBJECT_TYPE is the last instance type, and
+  // FIRST_CALLABLE_SPEC_OBJECT_TYPE comes right after
+  // LAST_NONCALLABLE_SPEC_OBJECT_TYPE, we can avoid checking for the latter.
+  STATIC_ASSERT(LAST_TYPE == LAST_CALLABLE_SPEC_OBJECT_TYPE);
+  STATIC_ASSERT(FIRST_CALLABLE_SPEC_OBJECT_TYPE ==
+                LAST_NONCALLABLE_SPEC_OBJECT_TYPE + 1);
 
   // Objects with a non-function constructor have class 'Object'.
   __ CmpObjectType(temp, JS_FUNCTION_TYPE, temp2);
@@ -2635,7 +2636,7 @@ void LCodeGen::DoApplyArguments(LApplyArguments* instr) {
   // The receiver should be a JS object.
   __ test(receiver, Immediate(kSmiTagMask));
   DeoptimizeIf(equal, instr->environment());
-  __ CmpObjectType(receiver, FIRST_JS_OBJECT_TYPE, scratch);
+  __ CmpObjectType(receiver, FIRST_SPEC_OBJECT_TYPE, scratch);
   DeoptimizeIf(below, instr->environment());
   __ jmp(&receiver_ok, Label::kNear);
 
@@ -4311,18 +4312,19 @@ Condition LCodeGen::EmitTypeofIs(Label* true_label,
     final_branch_condition = not_zero;
 
   } else if (type_name->Equals(heap()->function_symbol())) {
+    STATIC_ASSERT(LAST_TYPE == LAST_CALLABLE_SPEC_OBJECT_TYPE);
     __ JumpIfSmi(input, false_label);
-    __ CmpObjectType(input, FIRST_FUNCTION_CLASS_TYPE, input);
+    __ CmpObjectType(input, FIRST_CALLABLE_SPEC_OBJECT_TYPE, input);
     final_branch_condition = above_equal;
 
   } else if (type_name->Equals(heap()->object_symbol())) {
     __ JumpIfSmi(input, false_label);
     __ cmp(input, factory()->null_value());
     __ j(equal, true_label);
-    __ CmpObjectType(input, FIRST_JS_OBJECT_TYPE, input);
+    __ CmpObjectType(input, FIRST_NONCALLABLE_SPEC_OBJECT_TYPE, input);
     __ j(below, false_label);
-    __ CmpInstanceType(input, FIRST_FUNCTION_CLASS_TYPE);
-    __ j(above_equal, false_label);
+    __ CmpInstanceType(input, LAST_NONCALLABLE_SPEC_OBJECT_TYPE);
+    __ j(above, false_label);
     // Check for undetectable objects => false.
     __ test_b(FieldOperand(input, Map::kBitFieldOffset),
               1 << Map::kIsUndetectable);