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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/code-stubs.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 |= FastShallowCloneBit::encode(use_fast_shallow_clone);
return result;
}
// static
uint8_t CreateObjectLiteralFlags::Encode(bool fast_clone_supported,
int properties_count,
int runtime_flags) {
uint8_t result = FlagsBits::encode(runtime_flags);
if (fast_clone_supported) {
STATIC_ASSERT(
FastCloneShallowObjectStub::kMaximumClonedProperties <=
1 << CreateObjectLiteralFlags::FastClonePropertiesCountBits::kShift);
DCHECK_LE(properties_count,
FastCloneShallowObjectStub::kMaximumClonedProperties);
result |= CreateObjectLiteralFlags::FastClonePropertiesCountBits::encode(
properties_count);
}
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;
}
} // namespace interpreter
} // namespace internal
} // namespace v8
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