58 lines
1.5 KiB
C
58 lines
1.5 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_READER_READER_H_
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#define SRC_READER_READER_H_
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#include <string>
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#include "src/ast/module.h"
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namespace tint {
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namespace reader {
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/// Base class for input readers
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class Reader {
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public:
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virtual ~Reader();
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/// Parses the input data
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/// @returns true if the parse was successful
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virtual bool Parse() = 0;
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/// @returns true if an error was encountered
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bool has_error() const { return error_.size() > 0; }
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/// @returns the parser error string
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const std::string& error() const { return error_; }
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/// @returns the module. The module in the parser will be reset after this.
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virtual ast::Module module() = 0;
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protected:
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/// Constructor
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Reader();
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/// Sets the error string
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/// @param msg the error message
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void set_error(const std::string& msg) { error_ = msg; }
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/// An error message, if an error was encountered
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std::string error_;
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};
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} // namespace reader
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} // namespace tint
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#endif // SRC_READER_READER_H_
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