JavaPatternMatching/src/de/dhbwstuttgart/parser/JavaTXParser.java

package de.dhbwstuttgart.parser;

import de.dhbwstuttgart.parser.antlr.Java8Lexer;
import de.dhbwstuttgart.parser.antlr.Java8Parser;
import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
import de.dhbwstuttgart.syntaxtree.SourceFile;
import de.dhbwstuttgart.syntaxtree.modifier.Modifier;
import org.antlr.v4.runtime.ANTLRInputStream;
import org.antlr.v4.runtime.CommonTokenStream;

import java.io.*;

public class JavaTXParser {
    public SourceFile parse(File sourceFile) throws IOException {
            InputStream stream = new FileInputStream(sourceFile);
            ANTLRInputStream input = new ANTLRInputStream(stream);
            Java8Lexer lexer = new Java8Lexer(input);
            CommonTokenStream tokens = new CommonTokenStream(lexer);
            Java8Parser parser = new Java8Parser(tokens);
            Java8Parser.CompilationUnitContext tree = parser.compilationUnit();
            SyntaxTreeGenerator generator = new SyntaxTreeGenerator();
            return generator.convert(tree);
    }
}