// Copyright 2014 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/compiler/operator.h"
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#include <limits>
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namespace v8 {
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namespace internal {
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namespace compiler {
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namespace {
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template <typename N>
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V8_INLINE N CheckRange(size_t val) {
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// The getters on Operator for input and output counts currently return int.
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// Thus check that the given value fits in the integer range.
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// TODO(titzer): Remove this check once the getters return size_t.
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CHECK_LE(val, std::min(static_cast<size_t>(std::numeric_limits<N>::max()),
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static_cast<size_t>(kMaxInt)));
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return static_cast<N>(val);
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}
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} // namespace
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Operator::Operator(Opcode opcode, Properties properties, const char* mnemonic,
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size_t value_in, size_t effect_in, size_t control_in,
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size_t value_out, size_t effect_out, size_t control_out)
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: mnemonic_(mnemonic),
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opcode_(opcode),
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properties_(properties),
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value_in_(CheckRange<uint32_t>(value_in)),
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effect_in_(CheckRange<uint32_t>(effect_in)),
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control_in_(CheckRange<uint32_t>(control_in)),
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value_out_(CheckRange<uint32_t>(value_out)),
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effect_out_(CheckRange<uint8_t>(effect_out)),
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control_out_(CheckRange<uint32_t>(control_out)) {}
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std::ostream& operator<<(std::ostream& os, const Operator& op) {
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op.PrintTo(os);
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return os;
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}
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void Operator::PrintToImpl(std::ostream& os, PrintVerbosity verbose) const {
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os << mnemonic();
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}
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void Operator::PrintPropsTo(std::ostream& os) const {
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std::string separator = "";
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#define PRINT_PROP_IF_SET(name) \
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if (HasProperty(Operator::k##name)) { \
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os << separator; \
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os << #name; \
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separator = ", "; \
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}
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OPERATOR_PROPERTY_LIST(PRINT_PROP_IF_SET)
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#undef PRINT_PROP_IF_SET
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}
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} // namespace compiler
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} // namespace internal
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} // namespace v8
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