blob: 0db419fc26c7dd0c327886a02a53ff809ac9b61d [file] [log] [blame] [edit]
// 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.
#ifndef SRC_AST_EXPRESSION_H_
#define SRC_AST_EXPRESSION_H_
#include <string>
#include <vector>
#include "src/ast/node.h"
#include "src/sem/type.h"
namespace tint {
namespace ast {
/// Base expression class
class Expression : public Castable<Expression, Node> {
public:
~Expression() override;
protected:
/// Constructor
/// @param program_id the identifier of the program that owns this node
/// @param source the source of the expression
Expression(ProgramID program_id, const Source& source);
/// Move constructor
Expression(Expression&&);
/// @param sem the semantic info for the program
/// @returns a string representation of the result type or 'not set' if no
/// result type present
std::string result_type_str(const sem::Info& sem) const;
private:
Expression(const Expression&) = delete;
};
/// A list of expressions
using ExpressionList = std::vector<Expression*>;
} // namespace ast
} // namespace tint
#endif // SRC_AST_EXPRESSION_H_