| // Copyright 2020 The Tint Authors. |
| // |
| // Licensed 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. |
| |
| #include "src/ast/function.h" |
| |
| #include <sstream> |
| |
| namespace tint { |
| namespace ast { |
| |
| Function::Function() = default; |
| |
| Function::Function(const std::string& name, |
| VariableList params, |
| type::Type* return_type) |
| : Node(), |
| name_(name), |
| params_(std::move(params)), |
| return_type_(return_type) {} |
| |
| Function::Function(const Source& source, |
| const std::string& name, |
| VariableList params, |
| type::Type* return_type) |
| : Node(source), |
| name_(name), |
| params_(std::move(params)), |
| return_type_(return_type) {} |
| |
| Function::Function(Function&&) = default; |
| |
| Function::~Function() = default; |
| |
| void Function::add_referenced_module_variable(Variable* var) { |
| for (const auto* v : referenced_module_vars_) { |
| if (v->name() == var->name()) { |
| return; |
| } |
| } |
| referenced_module_vars_.push_back(var); |
| } |
| |
| bool Function::IsValid() const { |
| for (const auto& param : params_) { |
| if (param == nullptr || !param->IsValid()) |
| return false; |
| } |
| for (const auto& stmt : body_) { |
| if (stmt == nullptr || !stmt->IsValid()) |
| return false; |
| } |
| |
| if (name_.length() == 0) { |
| return false; |
| } |
| if (return_type_ == nullptr) { |
| return false; |
| } |
| return true; |
| } |
| |
| void Function::to_str(std::ostream& out, size_t indent) const { |
| make_indent(out, indent); |
| out << "Function " << name_ << " -> " << return_type_->type_name() |
| << std::endl; |
| |
| make_indent(out, indent); |
| out << "("; |
| |
| if (params_.size() > 0) { |
| out << std::endl; |
| |
| for (const auto& param : params_) |
| param->to_str(out, indent + 2); |
| |
| make_indent(out, indent); |
| } |
| out << ")" << std::endl; |
| |
| make_indent(out, indent); |
| out << "{" << std::endl; |
| |
| for (const auto& stmt : body_) |
| stmt->to_str(out, indent + 2); |
| |
| make_indent(out, indent); |
| out << "}" << std::endl; |
| } |
| |
| std::string Function::type_name() const { |
| std::ostringstream out; |
| |
| out << "__func" + return_type_->type_name(); |
| for (const auto& param : params_) { |
| out << param->type()->type_name(); |
| } |
| |
| return out.str(); |
| } |
| |
| } // namespace ast |
| } // namespace tint |