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