// 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/wasm/signature-map.h" #include "src/signature.h" namespace v8 { namespace internal { namespace wasm { uint32_t SignatureMap::FindOrInsert(const FunctionSig& sig) { CHECK(!frozen_); auto pos = map_.find(sig); if (pos != map_.end()) return pos->second; // Indexes are returned as int32_t, thus check against their limit. CHECK_GE(kMaxInt, map_.size()); uint32_t index = static_cast<uint32_t>(map_.size()); map_.insert(std::make_pair(sig, index)); return index; } int32_t SignatureMap::Find(const FunctionSig& sig) const { auto pos = map_.find(sig); if (pos == map_.end()) return -1; return static_cast<int32_t>(pos->second); } } // namespace wasm } // namespace internal } // namespace v8