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// Copyright 2016 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/interpreter/bytecode-flags.h"
#include "src/ast/ast-value-factory.h"
#include "src/ast/ast.h"
#include "src/builtins/builtins-constructor.h"
#include "src/code-stubs.h"
#include "src/objects-inl.h"
namespace v8 {
namespace internal {
namespace interpreter {
// static
uint8_t CreateArrayLiteralFlags::Encode(bool use_fast_shallow_clone,
int runtime_flags) {
uint8_t result = FlagsBits::encode(runtime_flags);
result |= FastCloneSupportedBit::encode(use_fast_shallow_clone);
return result;
}
// static
uint8_t CreateObjectLiteralFlags::Encode(int runtime_flags,
bool fast_clone_supported) {
uint8_t result = FlagsBits::encode(runtime_flags);
result |= FastCloneSupportedBit::encode(fast_clone_supported);
return result;
}
// static
uint8_t CreateClosureFlags::Encode(bool pretenure, bool is_function_scope) {
uint8_t result = PretenuredBit::encode(pretenure);
if (!FLAG_always_opt && !FLAG_prepare_always_opt &&
pretenure == NOT_TENURED && is_function_scope) {
result |= FastNewClosureBit::encode(true);
}
return result;
}
// static
TestTypeOfFlags::LiteralFlag TestTypeOfFlags::GetFlagForLiteral(
const AstStringConstants* ast_constants, Literal* literal) {
const AstRawString* raw_literal = literal->raw_value()->AsString();
if (raw_literal == ast_constants->number_string()) {
return LiteralFlag::kNumber;
} else if (raw_literal == ast_constants->string_string()) {
return LiteralFlag::kString;
} else if (raw_literal == ast_constants->symbol_string()) {
return LiteralFlag::kSymbol;
} else if (raw_literal == ast_constants->boolean_string()) {
return LiteralFlag::kBoolean;
} else if (raw_literal == ast_constants->undefined_string()) {
return LiteralFlag::kUndefined;
} else if (raw_literal == ast_constants->function_string()) {
return LiteralFlag::kFunction;
} else if (raw_literal == ast_constants->object_string()) {
return LiteralFlag::kObject;
} else {
return LiteralFlag::kOther;
}
}
// static
uint8_t TestTypeOfFlags::Encode(LiteralFlag literal_flag) {
return static_cast<uint8_t>(literal_flag);
}
// static
TestTypeOfFlags::LiteralFlag TestTypeOfFlags::Decode(uint8_t raw_flag) {
DCHECK_LE(raw_flag, static_cast<uint8_t>(LiteralFlag::kOther));
return static_cast<LiteralFlag>(raw_flag);
}
// static
uint8_t StoreLookupSlotFlags::Encode(LanguageMode language_mode,
LookupHoistingMode lookup_hoisting_mode) {
DCHECK_IMPLIES(lookup_hoisting_mode == LookupHoistingMode::kLegacySloppy,
language_mode == SLOPPY);
return LanguageModeBit::encode(language_mode) |
LookupHoistingModeBit::encode(static_cast<bool>(lookup_hoisting_mode));
}
} // namespace interpreter
} // namespace internal
} // namespace v8
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