Introduce LanguageMode, drop StrictMode.

src/arm/lithium-codegen-arm.cc

 // Copyright 2012 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/v8.h"
 
 #include "src/arm/lithium-codegen-arm.h"
 #include "src/arm/lithium-gap-resolver-arm.h"
 #include "src/base/bits.h"
 #include "src/code-factory.h"
@@ skipping 101 matching lines @@
 
     // r1: Callee's JS function.
     // cp: Callee's context.
     // pp: Callee's constant pool pointer (if FLAG_enable_ool_constant_pool)
     // fp: Caller's frame pointer.
     // lr: Caller's pc.
 
     // Sloppy mode functions and builtins need to replace the receiver with the
     // global proxy when called as functions (without an explicit receiver
     // object).
-    if (info_->this_has_uses() &&
-        info_->strict_mode() == SLOPPY &&
+    if (info_->this_has_uses() && is_sloppy(info_->language_mode()) &&
         !info_->is_native()) {
       Label ok;
       int receiver_offset = info_->scope()->num_parameters() * kPointerSize;
       __ ldr(r2, MemOperand(sp, receiver_offset));
       __ CompareRoot(r2, Heap::kUndefinedValueRootIndex);
       __ b(ne, &ok);
 
       __ ldr(r2, GlobalObjectOperand());
       __ ldr(r2, FieldMemOperand(r2, GlobalObject::kGlobalProxyOffset));
 
@@ skipping 4169 matching lines @@
   }
 }
 
 
 void LCodeGen::DoStoreNamedGeneric(LStoreNamedGeneric* instr) {
   DCHECK(ToRegister(instr->context()).is(cp));
   DCHECK(ToRegister(instr->object()).is(StoreDescriptor::ReceiverRegister()));
   DCHECK(ToRegister(instr->value()).is(StoreDescriptor::ValueRegister()));
 
   __ mov(StoreDescriptor::NameRegister(), Operand(instr->name()));
-  Handle<Code> ic = StoreIC::initialize_stub(isolate(), instr->strict_mode());
+  Handle<Code> ic = StoreIC::initialize_stub(isolate(), instr->language_mode());
   CallCode(ic, RelocInfo::CODE_TARGET, instr, NEVER_INLINE_TARGET_ADDRESS);
 }
 
 
 void LCodeGen::DoBoundsCheck(LBoundsCheck* instr) {
   Condition cc = instr->hydrogen()->allow_equality() ? hi : hs;
   if (instr->index()->IsConstantOperand()) {
     Operand index = ToOperand(instr->index());
     Register length = ToRegister(instr->length());
     __ cmp(length, index);
@@ skipping 201 matching lines @@
 }
 
 
 void LCodeGen::DoStoreKeyedGeneric(LStoreKeyedGeneric* instr) {
   DCHECK(ToRegister(instr->context()).is(cp));
   DCHECK(ToRegister(instr->object()).is(StoreDescriptor::ReceiverRegister()));
   DCHECK(ToRegister(instr->key()).is(StoreDescriptor::NameRegister()));
   DCHECK(ToRegister(instr->value()).is(StoreDescriptor::ValueRegister()));
 
   Handle<Code> ic =
-      CodeFactory::KeyedStoreIC(isolate(), instr->strict_mode()).code();
+      CodeFactory::KeyedStoreIC(isolate(), instr->language_mode()).code();
   CallCode(ic, RelocInfo::CODE_TARGET, instr, NEVER_INLINE_TARGET_ADDRESS);
 }
 
 
 void LCodeGen::DoTransitionElementsKind(LTransitionElementsKind* instr) {
   Register object_reg = ToRegister(instr->object());
   Register scratch = scratch0();
 
   Handle<Map> from_map = instr->original_map();
   Handle<Map> to_map = instr->transitioned_map();
@@ skipping 1010 matching lines @@
   __ CopyFields(r0, r1, double_scratch0(), size / kPointerSize);
 }
 
 
 void LCodeGen::DoFunctionLiteral(LFunctionLiteral* instr) {
   DCHECK(ToRegister(instr->context()).is(cp));
   // Use the fast case closure allocation code that allocates in new
   // space for nested functions that don't need literals cloning.
   bool pretenure = instr->hydrogen()->pretenure();
   if (!pretenure && instr->hydrogen()->has_no_literals()) {
-    FastNewClosureStub stub(isolate(), instr->hydrogen()->strict_mode(),
+    FastNewClosureStub stub(isolate(), instr->hydrogen()->language_mode(),
                             instr->hydrogen()->kind());
     __ mov(r2, Operand(instr->hydrogen()->shared_info()));
     CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
   } else {
     __ mov(r2, Operand(instr->hydrogen()->shared_info()));
     __ mov(r1, Operand(pretenure ? factory()->true_value()
                                  : factory()->false_value()));
     __ Push(cp, r2, r1);
     CallRuntime(Runtime::kNewClosure, 3, instr);
   }
@@ skipping 401 matching lines @@
   __ Push(scope_info);
   __ push(ToRegister(instr->function()));
   CallRuntime(Runtime::kPushBlockContext, 2, instr);
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal