mirror of https://github.com/google/oss-fuzz.git
45 lines
1.6 KiB
Java
45 lines
1.6 KiB
Java
// Copyright 2022 Google LLC
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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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//
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////////////////////////////////////////////////////////////////////////////////
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import com.code_intelligence.jazzer.api.FuzzedDataProvider;
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import org.antlr.v4.runtime.CharStreams;
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import org.antlr.v4.runtime.CommonTokenStream;
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import org.antlr.v4.runtime.LexerInterpreter;
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import org.antlr.v4.runtime.ParserInterpreter;
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import org.antlr.v4.runtime.RecognitionException;
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import org.antlr.v4.tool.LexerGrammar;
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import org.antlr.v4.tool.Grammar;
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public class GrammarFuzzer {
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public static void fuzzerTestOneInput(FuzzedDataProvider data) {
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LexerGrammar lg;
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Grammar g;
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try{
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lg = new LexerGrammar(data.consumeString(1000));
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g = new Grammar(data.consumeString(1000));
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}
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catch (org.antlr.runtime.RecognitionException | UnsupportedOperationException e){
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return;
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}
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LexerInterpreter lexEngine = lg.createLexerInterpreter(CharStreams.fromString(data.consumeRemainingAsString()));
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CommonTokenStream tokens = new CommonTokenStream(lexEngine);
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ParserInterpreter parser = g.createParserInterpreter(tokens);
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}
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}
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