| /* |
| * 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. |
| */ |
| /*! |
| * \file span.cc |
| * \brief The span data structure. |
| */ |
| #include <tvm/ir/span.h> |
| #include <tvm/runtime/registry.h> |
| |
| #include <algorithm> |
| |
| namespace tvm { |
| |
| ObjectPtr<Object> GetSourceNameNode(const String& name) { |
| // always return pointer as the reference can change as map re-allocate. |
| // or use another level of indirection by creating a unique_ptr |
| static std::unordered_map<String, ObjectPtr<SourceNameNode> > source_map; |
| |
| auto sn = source_map.find(name); |
| if (sn == source_map.end()) { |
| ObjectPtr<SourceNameNode> n = make_object<SourceNameNode>(); |
| source_map[name] = n; |
| n->name = std::move(name); |
| return n; |
| } else { |
| return sn->second; |
| } |
| } |
| |
| ObjectPtr<Object> GetSourceNameNodeByStr(const std::string& name) { |
| return GetSourceNameNode(name); |
| } |
| |
| SourceName SourceName::Get(const String& name) { return SourceName(GetSourceNameNode(name)); } |
| |
| TVM_REGISTER_GLOBAL("ir.SourceName").set_body_typed(SourceName::Get); |
| |
| TVM_STATIC_IR_FUNCTOR(ReprPrinter, vtable) |
| .set_dispatch<SourceNameNode>([](const ObjectRef& ref, ReprPrinter* p) { |
| auto* node = static_cast<const SourceNameNode*>(ref.get()); |
| p->stream << "SourceName(" << node->name << ", " << node << ")"; |
| }); |
| |
| TVM_REGISTER_NODE_TYPE(SourceNameNode) |
| .set_creator(GetSourceNameNodeByStr) |
| .set_repr_bytes([](const Object* n) -> std::string { |
| return static_cast<const SourceNameNode*>(n)->name; |
| }); |
| |
| Span::Span(SourceName source_name, int line, int end_line, int column, int end_column) { |
| auto n = make_object<SpanNode>(); |
| n->source_name = std::move(source_name); |
| n->line = line; |
| n->end_line = end_line; |
| n->column = column; |
| n->end_column = end_column; |
| data_ = std::move(n); |
| } |
| |
| Span Span::Merge(const Span& other) const { |
| ICHECK(this->defined() && other.defined()) << "Span::Merge: both spans must be defined"; |
| |
| ICHECK((*this)->source_name == other->source_name); |
| return Span((*this)->source_name, std::min((*this)->line, other->line), |
| std::max((*this)->end_line, other->end_line), |
| std::min((*this)->column, other->column), |
| std::max((*this)->end_column, other->end_column)); |
| } |
| |
| TVM_REGISTER_NODE_TYPE(SpanNode); |
| |
| TVM_REGISTER_GLOBAL("ir.Span").set_body_typed([](SourceName source_name, int line, int end_line, |
| int column, int end_column) { |
| return Span(source_name, line, end_line, column, end_column); |
| }); |
| |
| TVM_STATIC_IR_FUNCTOR(ReprPrinter, vtable) |
| .set_dispatch<SpanNode>([](const ObjectRef& ref, ReprPrinter* p) { |
| auto* node = static_cast<const SpanNode*>(ref.get()); |
| p->stream << "Span(" << node->source_name << ", " << node->line << ", " << node->end_line |
| << ", " << node->column << ", " << node->end_column << ")"; |
| }); |
| } // namespace tvm |