TestArithmeticParser.java 文件源码

public static ProgramContext parseProgram(String program, ANTLRErrorListener errorListener) throws IOException
{
    CharStream inputCharStream = new ANTLRInputStream(new StringReader(program));
    TokenSource tokenSource = new ArithmeticLexer(inputCharStream);
    TokenStream inputTokenStream = new CommonTokenStream(tokenSource);
    ArithmeticParser parser = new ArithmeticParser(inputTokenStream);
    parser.addErrorListener(errorListener);
    ProgramContext context = parser.program();
    return context;
}