65 lines
1.8 KiB
C++
65 lines
1.8 KiB
C++
// 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 <memory>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
#include "src/ast/node.h"
|
|
#include "src/ast/type/type.h"
|
|
|
|
namespace tint {
|
|
namespace ast {
|
|
|
|
/// Base expression class
|
|
class Expression : public Castable<Expression, Node> {
|
|
public:
|
|
~Expression() override;
|
|
|
|
/// Sets the resulting type of this expression
|
|
/// @param type the result type to set
|
|
void set_result_type(type::Type* type);
|
|
/// @returns the resulting type from this expression
|
|
type::Type* result_type() const { return result_type_; }
|
|
|
|
/// @returns a string representation of the result type or 'not set' if no
|
|
/// result type present
|
|
std::string result_type_str() const {
|
|
return result_type_ ? result_type_->type_name() : "not set";
|
|
}
|
|
|
|
protected:
|
|
/// Constructor
|
|
/// @param source the source of the expression
|
|
explicit Expression(const Source& source);
|
|
/// Move constructor
|
|
Expression(Expression&&);
|
|
|
|
private:
|
|
Expression(const Expression&) = delete;
|
|
|
|
type::Type* result_type_ = nullptr;
|
|
};
|
|
|
|
/// A list of expressions
|
|
using ExpressionList = std::vector<Expression*>;
|
|
|
|
} // namespace ast
|
|
} // namespace tint
|
|
|
|
#endif // SRC_AST_EXPRESSION_H_
|