// 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" namespace v8 { namespace internal { namespace wasm { uint32_t SignatureMap::FindOrInsert(FunctionSig* sig) { auto pos = map_.find(sig); if (pos != map_.end()) { return pos->second; } else { uint32_t index = next_++; map_[sig] = index; return index; } } int32_t SignatureMap::Find(FunctionSig* sig) const { auto pos = map_.find(sig); if (pos != map_.end()) { return static_cast<int32_t>(pos->second); } else { return -1; } } bool SignatureMap::CompareFunctionSigs::operator()(FunctionSig* a, FunctionSig* b) const { if (a == b) return false; if (a->return_count() < b->return_count()) return true; if (a->return_count() > b->return_count()) return false; if (a->parameter_count() < b->parameter_count()) return true; if (a->parameter_count() > b->parameter_count()) return false; for (size_t r = 0; r < a->return_count(); r++) { if (a->GetReturn(r) < b->GetReturn(r)) return true; if (a->GetReturn(r) > b->GetReturn(r)) return false; } for (size_t p = 0; p < a->parameter_count(); p++) { if (a->GetParam(p) < b->GetParam(p)) return true; if (a->GetParam(p) > b->GetParam(p)) return false; } return false; } } // namespace wasm } // namespace internal } // namespace v8