[Torque] port Boolean prototype to Torque

Change-Id: Ia450876e085b8d4aec5df6be6d17a9cfa557980a
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1866884
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64402}

BUILD.gn

@@ -1546,7 +1546,6 @@ v8_source_set("v8_initializers") {
     "src/builtins/builtins-async-iterator-gen.cc",
     "src/builtins/builtins-bigint-gen.cc",
     "src/builtins/builtins-bigint-gen.h",
-    "src/builtins/builtins-boolean-gen.cc",
     "src/builtins/builtins-call-gen.cc",
     "src/builtins/builtins-call-gen.h",
     "src/builtins/builtins-collections-gen.cc",

src/builtins/base.tq

@@ -1449,6 +1449,8 @@ const kStrictReadOnlyProperty: constexpr MessageTemplate
 
 const kString: constexpr PrimitiveType
     generates 'PrimitiveType::kString';
+const kBoolean: constexpr PrimitiveType
+    generates 'PrimitiveType::kBoolean';
 
 const kNameDictionaryInitialCapacity:
     constexpr int32 generates 'NameDictionary::kInitialCapacity';

src/builtins/boolean.tq

@@ -3,6 +3,11 @@
 // found in the LICENSE file.
 
 namespace boolean {
+  transitioning macro ThisBooleanValue(implicit context: Context)(
+      receiver: JSAny, method: constexpr string): Boolean {
+    return UnsafeCast<Boolean>(ToThisValue(receiver, kBoolean, method));
+  }
+
   javascript builtin
   BooleanConstructor(
       js-implicit context: Context, receiver: JSAny, newTarget: JSAny,
@@ -20,4 +25,20 @@ namespace boolean {
     obj.value = value;
     return obj;
   }
+
+  // ES #sec-boolean.prototype.tostring
+  transitioning javascript builtin BooleanPrototypeToString(
+      js-implicit context: Context, receiver: JSAny)(): JSAny {
+    // 1. Let b be ? thisBooleanValue(this value).
+    const b = ThisBooleanValue(receiver, 'Boolean.prototype.toString');
+    // 2. If b is true, return "true"; else return "false".
+    return b.to_string;
+  }
+
+  // ES #sec-boolean.prototype.valueof
+  transitioning javascript builtin BooleanPrototypeValueOf(
+      js-implicit context: Context, receiver: JSAny)(): JSAny {
+    // 1. Return ? thisBooleanValue(this value).
+    return ThisBooleanValue(receiver, 'Boolean.prototype.valueOf');
+  }
 }

src/builtins/builtins-boolean-gen.cc

@@ -1,39 +0,0 @@
-// Copyright 2017 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/builtins/builtins-utils-gen.h"
-#include "src/builtins/builtins.h"
-#include "src/codegen/code-stub-assembler.h"
-#include "src/objects/oddball.h"
-
-namespace v8 {
-namespace internal {
-
-// -----------------------------------------------------------------------------
-// ES6 section 19.3 Boolean Objects
-
-// ES6 #sec-boolean.prototype.tostring
-TF_BUILTIN(BooleanPrototypeToString, CodeStubAssembler) {
-  TNode<Context> context = CAST(Parameter(Descriptor::kContext));
-  TNode<Object> receiver = CAST(Parameter(Descriptor::kReceiver));
-
-  TNode<Oddball> value =
-      CAST(ToThisValue(context, receiver, PrimitiveType::kBoolean,
-                       "Boolean.prototype.toString"));
-  TNode<String> result = CAST(LoadObjectField(value, Oddball::kToStringOffset));
-  Return(result);
-}
-
-// ES6 #sec-boolean.prototype.valueof
-TF_BUILTIN(BooleanPrototypeValueOf, CodeStubAssembler) {
-  TNode<Context> context = CAST(Parameter(Descriptor::kContext));
-  TNode<Object> receiver = CAST(Parameter(Descriptor::kReceiver));
-
-  TNode<Oddball> result = CAST(ToThisValue(
-      context, receiver, PrimitiveType::kBoolean, "Boolean.prototype.valueOf"));
-  Return(result);
-}
-
-}  // namespace internal
-}  // namespace v8

src/builtins/builtins-definitions.h

@@ -394,12 +394,6 @@ namespace internal {
   CPP(BigIntPrototypeToString)                                                 \
   CPP(BigIntPrototypeValueOf)                                                  \
                                                                                \
-  /* Boolean */                                                                \
-  /* ES6 #sec-boolean.prototype.tostring */                                    \
-  TFJ(BooleanPrototypeToString, 0, kReceiver)                                  \
-  /* ES6 #sec-boolean.prototype.valueof */                                     \
-  TFJ(BooleanPrototypeValueOf, 0, kReceiver)                                   \
-                                                                               \
   /* CallSite */                                                               \
   CPP(CallSitePrototypeGetColumnNumber)                                        \
   CPP(CallSitePrototypeGetEvalOrigin)                                          \