56 lines
1.7 KiB
C++
56 lines
1.7 KiB
C++
// 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_LITERAL_H_
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#define SRC_AST_LITERAL_H_
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#include <string>
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#include "src/ast/node.h"
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namespace tint {
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namespace ast {
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/// Base class for a literal value
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class Literal : public Castable<Literal, Node> {
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public:
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~Literal() override;
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/// Writes a representation of the node to the output stream
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/// @param sem the semantic info for the program
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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(const sem::Info& sem,
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std::ostream& out,
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size_t indent) const override;
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/// @param sem the semantic info for the program
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/// @returns the literal as a string
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virtual std::string to_str(const sem::Info& sem) const = 0;
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/// @returns the name for this literal. This name is unique to this value.
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virtual std::string name() const = 0;
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protected:
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/// Constructor
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/// @param program_id the identifier of the program that owns this node
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/// @param source the input source
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Literal(ProgramID program_id, const Source& source);
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};
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} // namespace ast
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} // namespace tint
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#endif // SRC_AST_LITERAL_H_
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