Line data    Source code

       1             : // Copyright 2016 the V8 project authors. All rights reserved.
       2             : // Use of this source code is governed by a BSD-style license that can be
       3             : // found in the LICENSE file.
       4             : 
       5             : #include "src/wasm/signature-map.h"
       6             : 
       7             : #include "src/signature.h"
       8             : 
       9             : namespace v8 {
      10             : namespace internal {
      11             : namespace wasm {
      12             : 
      13      567768 : uint32_t SignatureMap::FindOrInsert(const FunctionSig& sig) {
      14      567768 :   CHECK(!frozen_);
      15             :   auto pos = map_.find(sig);
      16      567766 :   if (pos != map_.end()) return pos->second;
      17             :   // Indexes are returned as int32_t, thus check against their limit.
      18      489157 :   CHECK_GE(kMaxInt, map_.size());
      19      489157 :   uint32_t index = static_cast<uint32_t>(map_.size());
      20      489161 :   map_.insert(std::make_pair(sig, index));
      21      489161 :   return index;
      22             : }
      23             : 
      24       14548 : int32_t SignatureMap::Find(const FunctionSig& sig) const {
      25             :   auto pos = map_.find(sig);
      26       14548 :   if (pos == map_.end()) return -1;
      27       11672 :   return static_cast<int32_t>(pos->second);
      28             : }
      29             : 
      30             : }  // namespace wasm
      31             : }  // namespace internal
      32      178779 : }  // namespace v8