// Copyright 2016 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "src/interpreter/bytecode-flags.h"
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#include "src/ast/ast-value-factory.h"
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#include "src/ast/ast.h"
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#include "src/builtins/builtins-constructor.h"
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#include "src/code-stubs.h"
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#include "src/objects-inl.h"
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namespace v8 {
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namespace internal {
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namespace interpreter {
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// static
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uint8_t CreateArrayLiteralFlags::Encode(bool use_fast_shallow_clone,
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int runtime_flags) {
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uint8_t result = FlagsBits::encode(runtime_flags);
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result |= FastCloneSupportedBit::encode(use_fast_shallow_clone);
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return result;
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}
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// static
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uint8_t CreateObjectLiteralFlags::Encode(int runtime_flags,
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bool fast_clone_supported) {
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uint8_t result = FlagsBits::encode(runtime_flags);
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result |= FastCloneSupportedBit::encode(fast_clone_supported);
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return result;
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}
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// static
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uint8_t CreateClosureFlags::Encode(bool pretenure, bool is_function_scope) {
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uint8_t result = PretenuredBit::encode(pretenure);
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if (!FLAG_always_opt && !FLAG_prepare_always_opt &&
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pretenure == NOT_TENURED && is_function_scope) {
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result |= FastNewClosureBit::encode(true);
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}
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return result;
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}
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// static
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TestTypeOfFlags::LiteralFlag TestTypeOfFlags::GetFlagForLiteral(
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const AstStringConstants* ast_constants, Literal* literal) {
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const AstRawString* raw_literal = literal->AsRawString();
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if (raw_literal == ast_constants->number_string()) {
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return LiteralFlag::kNumber;
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} else if (raw_literal == ast_constants->string_string()) {
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return LiteralFlag::kString;
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} else if (raw_literal == ast_constants->symbol_string()) {
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return LiteralFlag::kSymbol;
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} else if (raw_literal == ast_constants->boolean_string()) {
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return LiteralFlag::kBoolean;
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} else if (raw_literal == ast_constants->bigint_string()) {
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return LiteralFlag::kBigInt;
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} else if (raw_literal == ast_constants->undefined_string()) {
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return LiteralFlag::kUndefined;
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} else if (raw_literal == ast_constants->function_string()) {
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return LiteralFlag::kFunction;
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} else if (raw_literal == ast_constants->object_string()) {
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return LiteralFlag::kObject;
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} else {
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return LiteralFlag::kOther;
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}
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}
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// static
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uint8_t TestTypeOfFlags::Encode(LiteralFlag literal_flag) {
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return static_cast<uint8_t>(literal_flag);
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}
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// static
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TestTypeOfFlags::LiteralFlag TestTypeOfFlags::Decode(uint8_t raw_flag) {
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DCHECK_LE(raw_flag, static_cast<uint8_t>(LiteralFlag::kOther));
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return static_cast<LiteralFlag>(raw_flag);
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}
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// static
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uint8_t StoreLookupSlotFlags::Encode(LanguageMode language_mode,
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LookupHoistingMode lookup_hoisting_mode) {
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DCHECK_IMPLIES(lookup_hoisting_mode == LookupHoistingMode::kLegacySloppy,
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language_mode == LanguageMode::kSloppy);
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return LanguageModeBit::encode(language_mode) |
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LookupHoistingModeBit::encode(static_cast<bool>(lookup_hoisting_mode));
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}
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} // namespace interpreter
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} // namespace internal
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} // namespace v8
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