AbstractTemplatesTest.java 文件源码

/**
 * Sets up the Java parser.
 * @param javaFile the Java contents to parse.
 * @return the {@link JavaParser} instance.
 * @throws RecognitionException if the format is invalid.
 * @throws IOException if the source cannot be read.
 */
@SuppressWarnings("unchecked")
@NotNull
protected JavaParser setUpParser(@NotNull final File javaFile)
    throws RecognitionException,
           IOException
{
    @NotNull final JavaParser result;

    @NotNull final JavaLexer t_Lexer =
        new JavaLexer(new ANTLRFileStream(javaFile.getAbsolutePath()));

    @NotNull final ANTLRErrorListener errorListener = new PropagatingErrorListener(javaFile);

    t_Lexer.addErrorListener(errorListener);

    @NotNull final CommonTokenStream t_Tokens = new CommonTokenStream(t_Lexer);

    result = new JavaParser(t_Tokens);

    result.addErrorListener(errorListener);

    return result;
}