ff6941966e
R=bradnelson@chromium.org, ahaas@chromium.org, clemensh@chromium.org BUG=chromium:575167 Review-Url: https://codereview.chromium.org/2403093002 Cr-Commit-Position: refs/heads/master@{#40169}
52 lines
1.5 KiB
C++
52 lines
1.5 KiB
C++
// 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/wasm/signature-map.h"
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namespace v8 {
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namespace internal {
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namespace wasm {
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uint32_t SignatureMap::FindOrInsert(FunctionSig* sig) {
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auto pos = map_.find(sig);
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if (pos != map_.end()) {
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return pos->second;
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} else {
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uint32_t index = next_++;
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map_[sig] = index;
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return index;
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}
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}
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int32_t SignatureMap::Find(FunctionSig* sig) const {
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auto pos = map_.find(sig);
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if (pos != map_.end()) {
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return static_cast<int32_t>(pos->second);
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} else {
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return -1;
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}
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}
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bool SignatureMap::CompareFunctionSigs::operator()(FunctionSig* a,
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FunctionSig* b) const {
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if (a == b) return false;
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if (a->return_count() < b->return_count()) return true;
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if (a->return_count() > b->return_count()) return false;
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if (a->parameter_count() < b->parameter_count()) return true;
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if (a->parameter_count() > b->parameter_count()) return false;
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for (size_t r = 0; r < a->return_count(); r++) {
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if (a->GetReturn(r) < b->GetReturn(r)) return true;
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if (a->GetReturn(r) > b->GetReturn(r)) return false;
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}
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for (size_t p = 0; p < a->parameter_count(); p++) {
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if (a->GetParam(p) < b->GetParam(p)) return true;
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if (a->GetParam(p) > b->GetParam(p)) return false;
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}
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return false;
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}
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} // namespace wasm
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} // namespace internal
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} // namespace v8
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