110 lines
3.3 KiB
C
110 lines
3.3 KiB
C
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// Copyright 2020 The Tint Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef SRC_AST_FUNCTION_H_
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#define SRC_AST_FUNCTION_H_
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#include <memory>
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#include <ostream>
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#include <string>
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#include <utility>
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#include <vector>
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#include "src/ast/expression.h"
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#include "src/ast/node.h"
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#include "src/ast/statement.h"
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#include "src/ast/type/type.h"
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#include "src/ast/variable.h"
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namespace tint {
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namespace ast {
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/// A Function statement.
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class Function : public Node {
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public:
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/// Create a new empty function statement
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Function() = default;
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/// Create a function
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/// @param name the function name
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/// @param params the function parameters
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/// @param return_type the return type
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Function(const std::string& name,
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std::vector<std::unique_ptr<Variable>> params,
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type::Type* return_type);
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/// Create a function
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/// @param source the variable source
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/// @param name the function name
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/// @param params the function parameters
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/// @param return_type the return type
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Function(const Source& source,
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const std::string& name,
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std::vector<std::unique_ptr<Variable>> params,
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type::Type* return_type);
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/// Move constructor
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Function(Function&&) = default;
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~Function() override;
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/// Sets the function name
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/// @param name the name to set
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void set_name(const std::string& name) { name_ = name; }
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/// @returns the function name
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const std::string& name() { return name_; }
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/// Sets the function parameters
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/// @param params the function parameters
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void set_params(std::vector<std::unique_ptr<Variable>> params) {
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params_ = std::move(params);
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}
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/// @returns the function params
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const std::vector<std::unique_ptr<Variable>>& params() const {
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return params_;
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}
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/// Sets the return type of the function
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/// @param type the return type
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void set_return_type(type::Type* type) { return_type_ = type; }
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/// @returns the function return type.
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type::Type* return_type() const { return return_type_; }
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/// Sets the body of the function
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/// @param body the function body
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void set_body(std::vector<std::unique_ptr<Statement>> body) {
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body_ = std::move(body);
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}
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/// @returns the function body
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const std::vector<std::unique_ptr<Statement>>& body() const { return body_; }
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/// @returns true if the name and path are both present
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bool IsValid() const override;
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/// Writes a representation of the node to the output stream
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/// @param out the stream to write to
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/// @param indent number of spaces to indent the node when writing
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void to_str(std::ostream& out, size_t indent) const override;
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private:
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Function(const Function&) = delete;
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std::string name_;
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std::vector<std::unique_ptr<Variable>> params_;
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type::Type* return_type_ = nullptr;
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std::vector<std::unique_ptr<Statement>> body_;
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};
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} // namespace ast
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} // namespace tint
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#endif // SRC_AST_FUNCTION_H_
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