OccamCompiler.java 文件源码

public ParseTree makeParseTree(InputStream inputStream, Function<OccamParser, ParseTree> startRule, ErrorListener errorListener) {
    try {
        ANTLRInputStream antlrInputStream = new ANTLRInputStream(inputStream);
        OccamLexer synLexer = new OccamLexer(antlrInputStream);

        CommonTokenStream tokenStream = new CommonTokenStream(synLexer);
        OccamParser occamParser = new OccamParser(tokenStream);
        occamParser.addErrorListener(errorListener);

        return startRule.apply(occamParser);

    } catch (Exception e) {
        System.out.println(e.getMessage());
        return null;
    }
}