/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ /*! * Copyright (c) 2019 by Contributors * \file src/relay/ir/pattern_functor.cc * \brief Implementations of visitors and mutators for ADT patterns. */ #include <tvm/relay/pattern_functor.h> namespace tvm { namespace relay { Pattern PatternMutator::Mutate(const Pattern& pat) { return (*this)(pat); } Pattern PatternMutator::VisitPattern_(const PatternWildcardNode* op) { return GetRef<Pattern>(op); } Pattern PatternMutator::VisitPattern_(const PatternVarNode* op) { return PatternVarNode::make(VisitVar(op->var)); } Pattern PatternMutator::VisitPattern_(const PatternConstructorNode* op) { std::vector<Pattern> pat; for (const auto& p : op->patterns) { pat.push_back(VisitPattern(p)); } return PatternConstructorNode::make(VisitConstructor(op->constructor), pat); } Pattern PatternMutator::VisitPattern_(const PatternTupleNode* op) { std::vector<Pattern> pat; for (const auto& p : op->patterns) { pat.push_back(VisitPattern(p)); } return PatternTupleNode::make(pat); } Type PatternMutator::VisitType(const Type& t) { return t; } Var PatternMutator::VisitVar(const Var& v) { if (var_map_.count(v) == 0) { var_map_.insert(std::pair<Var, Var>(v, VarNode::make(v->name_hint(), VisitType(v->type_annotation)))); } return var_map_.at(v); } Constructor PatternMutator::VisitConstructor(const Constructor& v) { return v; } void PatternVisitor::VisitPattern_(const PatternWildcardNode* op) { } void PatternVisitor::VisitPattern_(const PatternVarNode* op) { VisitVar(op->var); } void PatternVisitor::VisitPattern_(const PatternConstructorNode* op) { VisitConstructor(op->constructor); for (const auto& p : op->patterns) { VisitPattern(p); } } void PatternVisitor::VisitPattern_(const PatternTupleNode* op) { for (const auto& p : op->patterns) { VisitPattern(p); } } void PatternVisitor::VisitType(const Type& t) { } void PatternVisitor::VisitVar(const Var& v) { VisitType(v->type_annotation); } void PatternVisitor::VisitConstructor(const Constructor& c) { for (const auto& inp : c->inputs) { VisitType(inp); } } } // namespace relay } // namespace tvm