[generators] Implement %GeneratorGetSourcePosition.

src/compiler/js-intrinsic-lowering.cc

 // Copyright 2015 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/compiler/js-intrinsic-lowering.h"
 
 #include <stack>
 
 #include "src/code-factory.h"
 #include "src/compiler/access-builder.h"
@@ skipping 22 matching lines @@
     case Runtime::kInlineCreateIterResultObject:
       return ReduceCreateIterResultObject(node);
     case Runtime::kInlineDeoptimizeNow:
       return ReduceDeoptimizeNow(node);
     case Runtime::kInlineDoubleHi:
       return ReduceDoubleHi(node);
     case Runtime::kInlineDoubleLo:
       return ReduceDoubleLo(node);
     case Runtime::kInlineGeneratorClose:
       return ReduceGeneratorClose(node);
-    case Runtime::kInlineGeneratorGetInput:
-      return ReduceGeneratorGetInput(node);
+    case Runtime::kInlineGeneratorGetInputOrDebugPos:
+      return ReduceGeneratorGetInputOrDebugPos(node);
     case Runtime::kInlineGeneratorGetResumeMode:
       return ReduceGeneratorGetResumeMode(node);
     case Runtime::kInlineIsArray:
       return ReduceIsInstanceType(node, JS_ARRAY_TYPE);
     case Runtime::kInlineIsTypedArray:
       return ReduceIsInstanceType(node, JS_TYPED_ARRAY_TYPE);
     case Runtime::kInlineIsRegExp:
       return ReduceIsInstanceType(node, JS_REGEXP_TYPE);
     case Runtime::kInlineIsJSReceiver:
       return ReduceIsJSReceiver(node);
@@ skipping 95 matching lines @@
   Node* const closed = jsgraph()->Constant(JSGeneratorObject::kGeneratorClosed);
   Node* const undefined = jsgraph()->UndefinedConstant();
   Operator const* const op = simplified()->StoreField(
       AccessBuilder::ForJSGeneratorObjectContinuation());
 
   ReplaceWithValue(node, undefined, node);
   NodeProperties::RemoveType(node);
   return Change(node, op, generator, closed, effect, control);
 }
 
-Reduction JSIntrinsicLowering::ReduceGeneratorGetInput(Node* node) {
+Reduction JSIntrinsicLowering::ReduceGeneratorGetInputOrDebugPos(Node* node) {
   Node* const generator = NodeProperties::GetValueInput(node, 0);
   Node* const effect = NodeProperties::GetEffectInput(node);
   Node* const control = NodeProperties::GetControlInput(node);
-  Operator const* const op =
-      simplified()->LoadField(AccessBuilder::ForJSGeneratorObjectInput());
+  Operator const* const op = simplified()->LoadField(
+      AccessBuilder::ForJSGeneratorObjectInputOrDebugPos());
 
   return Change(node, op, generator, effect, control);
 }
 
 Reduction JSIntrinsicLowering::ReduceGeneratorGetResumeMode(Node* node) {
   Node* const generator = NodeProperties::GetValueInput(node, 0);
   Node* const effect = NodeProperties::GetEffectInput(node);
   Node* const control = NodeProperties::GetControlInput(node);
   Operator const* const op =
       simplified()->LoadField(AccessBuilder::ForJSGeneratorObjectResumeMode());
@@ skipping 325 matching lines @@
 }
 
 
 SimplifiedOperatorBuilder* JSIntrinsicLowering::simplified() const {
   return jsgraph()->simplified();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8