[refactor] Separate generated builtins and C++ builtins into separate files

src/builtins/builtins-number-gen.cc

-// Copyright 2016 the V8 project authors. All rights reserved.
+// 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.h"
+#include "src/builtins/builtins-utils-gen.h"
 #include "src/builtins/builtins.h"
-#include "src/code-factory.h"
 #include "src/code-stub-assembler.h"
-#include "src/conversions.h"
-#include "src/counters.h"
-#include "src/objects-inl.h"
 
 namespace v8 {
 namespace internal {
 
+// -----------------------------------------------------------------------------
+// ES6 section 20.1 Number Objects
+
 class NumberBuiltinsAssembler : public CodeStubAssembler {
  public:
   explicit NumberBuiltinsAssembler(compiler::CodeAssemblerState* state)
       : CodeStubAssembler(state) {}
 
  protected:
   template <Signedness signed_result = kSigned>
   void BitwiseOp(std::function<Node*(Node* lhs, Node* rhs)> body) {
     Node* left = Parameter(0);
     Node* right = Parameter(1);
@@ skipping 17 matching lines @@
 
   void RelationalComparisonBuiltin(RelationalComparisonMode mode) {
     Node* lhs = Parameter(0);
     Node* rhs = Parameter(1);
     Node* context = Parameter(2);
 
     Return(RelationalComparison(mode, lhs, rhs, context));
   }
 };
 
-// -----------------------------------------------------------------------------
-// ES6 section 20.1 Number Objects
-
 // ES6 section 20.1.2.2 Number.isFinite ( number )
 TF_BUILTIN(NumberIsFinite, CodeStubAssembler) {
   Node* number = Parameter(1);
 
   Label return_true(this), return_false(this);
 
   // Check if {number} is a Smi.
   GotoIf(TaggedIsSmi(number), &return_true);
 
   // Check if {number} is a HeapNumber.
@@ skipping 263 matching lines @@
     }
   }
 
   Bind(&if_generic);
   {
     Node* result = CallRuntime(Runtime::kStringParseInt, context, input, radix);
     Return(result);
   }
 }
 
-// ES6 section 20.1.3.2 Number.prototype.toExponential ( fractionDigits )
-BUILTIN(NumberPrototypeToExponential) {
-  HandleScope scope(isolate);
-  Handle<Object> value = args.at(0);
-  Handle<Object> fraction_digits = args.atOrUndefined(isolate, 1);
-
-  // Unwrap the receiver {value}.
-  if (value->IsJSValue()) {
-    value = handle(Handle<JSValue>::cast(value)->value(), isolate);
-  }
-  if (!value->IsNumber()) {
-    THROW_NEW_ERROR_RETURN_FAILURE(
-        isolate, NewTypeError(MessageTemplate::kNotGeneric,
-                              isolate->factory()->NewStringFromAsciiChecked(
-                                  "Number.prototype.toExponential")));
-  }
-  double const value_number = value->Number();
-
-  // Convert the {fraction_digits} to an integer first.
-  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
-      isolate, fraction_digits, Object::ToInteger(isolate, fraction_digits));
-  double const fraction_digits_number = fraction_digits->Number();
-
-  if (std::isnan(value_number)) return isolate->heap()->nan_string();
-  if (std::isinf(value_number)) {
-    return (value_number < 0.0) ? isolate->heap()->minus_infinity_string()
-                                : isolate->heap()->infinity_string();
-  }
-  if (fraction_digits_number < 0.0 || fraction_digits_number > 20.0) {
-    THROW_NEW_ERROR_RETURN_FAILURE(
-        isolate, NewRangeError(MessageTemplate::kNumberFormatRange,
-                               isolate->factory()->NewStringFromAsciiChecked(
-                                   "toExponential()")));
-  }
-  int const f = args.atOrUndefined(isolate, 1)->IsUndefined(isolate)
-                    ? -1
-                    : static_cast<int>(fraction_digits_number);
-  char* const str = DoubleToExponentialCString(value_number, f);
-  Handle<String> result = isolate->factory()->NewStringFromAsciiChecked(str);
-  DeleteArray(str);
-  return *result;
-}
-
-// ES6 section 20.1.3.3 Number.prototype.toFixed ( fractionDigits )
-BUILTIN(NumberPrototypeToFixed) {
-  HandleScope scope(isolate);
-  Handle<Object> value = args.at(0);
-  Handle<Object> fraction_digits = args.atOrUndefined(isolate, 1);
-
-  // Unwrap the receiver {value}.
-  if (value->IsJSValue()) {
-    value = handle(Handle<JSValue>::cast(value)->value(), isolate);
-  }
-  if (!value->IsNumber()) {
-    THROW_NEW_ERROR_RETURN_FAILURE(
-        isolate, NewTypeError(MessageTemplate::kNotGeneric,
-                              isolate->factory()->NewStringFromAsciiChecked(
-                                  "Number.prototype.toFixed")));
-  }
-  double const value_number = value->Number();
-
-  // Convert the {fraction_digits} to an integer first.
-  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
-      isolate, fraction_digits, Object::ToInteger(isolate, fraction_digits));
-  double const fraction_digits_number = fraction_digits->Number();
-
-  // Check if the {fraction_digits} are in the supported range.
-  if (fraction_digits_number < 0.0 || fraction_digits_number > 20.0) {
-    THROW_NEW_ERROR_RETURN_FAILURE(
-        isolate, NewRangeError(MessageTemplate::kNumberFormatRange,
-                               isolate->factory()->NewStringFromAsciiChecked(
-                                   "toFixed() digits")));
-  }
-
-  if (std::isnan(value_number)) return isolate->heap()->nan_string();
-  if (std::isinf(value_number)) {
-    return (value_number < 0.0) ? isolate->heap()->minus_infinity_string()
-                                : isolate->heap()->infinity_string();
-  }
-  char* const str = DoubleToFixedCString(
-      value_number, static_cast<int>(fraction_digits_number));
-  Handle<String> result = isolate->factory()->NewStringFromAsciiChecked(str);
-  DeleteArray(str);
-  return *result;
-}
-
-// ES6 section 20.1.3.4 Number.prototype.toLocaleString ( [ r1 [ , r2 ] ] )
-BUILTIN(NumberPrototypeToLocaleString) {
-  HandleScope scope(isolate);
-  Handle<Object> value = args.at(0);
-
-  // Unwrap the receiver {value}.
-  if (value->IsJSValue()) {
-    value = handle(Handle<JSValue>::cast(value)->value(), isolate);
-  }
-  if (!value->IsNumber()) {
-    THROW_NEW_ERROR_RETURN_FAILURE(
-        isolate, NewTypeError(MessageTemplate::kNotGeneric,
-                              isolate->factory()->NewStringFromAsciiChecked(
-                                  "Number.prototype.toLocaleString")));
-  }
-
-  // Turn the {value} into a String.
-  return *isolate->factory()->NumberToString(value);
-}
-
-// ES6 section 20.1.3.5 Number.prototype.toPrecision ( precision )
-BUILTIN(NumberPrototypeToPrecision) {
-  HandleScope scope(isolate);
-  Handle<Object> value = args.at(0);
-  Handle<Object> precision = args.atOrUndefined(isolate, 1);
-
-  // Unwrap the receiver {value}.
-  if (value->IsJSValue()) {
-    value = handle(Handle<JSValue>::cast(value)->value(), isolate);
-  }
-  if (!value->IsNumber()) {
-    THROW_NEW_ERROR_RETURN_FAILURE(
-        isolate, NewTypeError(MessageTemplate::kNotGeneric,
-                              isolate->factory()->NewStringFromAsciiChecked(
-                                  "Number.prototype.toPrecision")));
-  }
-  double const value_number = value->Number();
-
-  // If no {precision} was specified, just return ToString of {value}.
-  if (precision->IsUndefined(isolate)) {
-    return *isolate->factory()->NumberToString(value);
-  }
-
-  // Convert the {precision} to an integer first.
-  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, precision,
-                                     Object::ToInteger(isolate, precision));
-  double const precision_number = precision->Number();
-
-  if (std::isnan(value_number)) return isolate->heap()->nan_string();
-  if (std::isinf(value_number)) {
-    return (value_number < 0.0) ? isolate->heap()->minus_infinity_string()
-                                : isolate->heap()->infinity_string();
-  }
-  if (precision_number < 1.0 || precision_number > 21.0) {
-    THROW_NEW_ERROR_RETURN_FAILURE(
-        isolate, NewRangeError(MessageTemplate::kToPrecisionFormatRange));
-  }
-  char* const str = DoubleToPrecisionCString(
-      value_number, static_cast<int>(precision_number));
-  Handle<String> result = isolate->factory()->NewStringFromAsciiChecked(str);
-  DeleteArray(str);
-  return *result;
-}
-
-// ES6 section 20.1.3.6 Number.prototype.toString ( [ radix ] )
-BUILTIN(NumberPrototypeToString) {
-  HandleScope scope(isolate);
-  Handle<Object> value = args.at(0);
-  Handle<Object> radix = args.atOrUndefined(isolate, 1);
-
-  // Unwrap the receiver {value}.
-  if (value->IsJSValue()) {
-    value = handle(Handle<JSValue>::cast(value)->value(), isolate);
-  }
-  if (!value->IsNumber()) {
-    THROW_NEW_ERROR_RETURN_FAILURE(
-        isolate, NewTypeError(MessageTemplate::kNotGeneric,
-                              isolate->factory()->NewStringFromAsciiChecked(
-                                  "Number.prototype.toString")));
-  }
-  double const value_number = value->Number();
-
-  // If no {radix} was specified, just return ToString of {value}.
-  if (radix->IsUndefined(isolate)) {
-    return *isolate->factory()->NumberToString(value);
-  }
-
-  // Convert the {radix} to an integer first.
-  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, radix,
-                                     Object::ToInteger(isolate, radix));
-  double const radix_number = radix->Number();
-
-  // If {radix} is 10, just return ToString of {value}.
-  if (radix_number == 10.0) return *isolate->factory()->NumberToString(value);
-
-  // Make sure the {radix} is within the valid range.
-  if (radix_number < 2.0 || radix_number > 36.0) {
-    THROW_NEW_ERROR_RETURN_FAILURE(
-        isolate, NewRangeError(MessageTemplate::kToRadixFormatRange));
-  }
-
-  // Fast case where the result is a one character string.
-  if ((IsUint32Double(value_number) && value_number < radix_number) ||
-      value_number == -0.0) {
-    // Character array used for conversion.
-    static const char kCharTable[] = "0123456789abcdefghijklmnopqrstuvwxyz";
-    return *isolate->factory()->LookupSingleCharacterStringFromCode(
-        kCharTable[static_cast<uint32_t>(value_number)]);
-  }
-
-  // Slow case.
-  if (std::isnan(value_number)) return isolate->heap()->nan_string();
-  if (std::isinf(value_number)) {
-    return (value_number < 0.0) ? isolate->heap()->minus_infinity_string()
-                                : isolate->heap()->infinity_string();
-  }
-  char* const str =
-      DoubleToRadixCString(value_number, static_cast<int>(radix_number));
-  Handle<String> result = isolate->factory()->NewStringFromAsciiChecked(str);
-  DeleteArray(str);
-  return *result;
-}
-
 // ES6 section 20.1.3.7 Number.prototype.valueOf ( )
 TF_BUILTIN(NumberPrototypeValueOf, CodeStubAssembler) {
   Node* receiver = Parameter(0);
   Node* context = Parameter(3);
 
   Node* result = ToThisValue(context, receiver, PrimitiveType::kNumber,
                              "Number.prototype.valueOf");
   Return(result);
 }
 
@@ skipping 1034 matching lines @@
 
 TF_BUILTIN(StrictEqual, CodeStubAssembler) {
   Node* lhs = Parameter(0);
   Node* rhs = Parameter(1);
 
   Return(StrictEqual(lhs, rhs));
 }
 
 }  // namespace internal
 }  // namespace v8