PSHDLParser.java 文件源码

private static HDLPackage parseStream(CharStream input, String libURI, final Set<Problem> syntaxProblems, String src) {
    final PSHDLLangLexer lexer = new PSHDLLangLexer(input);
    final CommonTokenStream tokens = new CommonTokenStream(lexer);
    final PSHDLLang parser = new PSHDLLang(tokens);
    final ANTLRErrorListener listener = new SyntaxErrorCollector(tokens, syntaxProblems);
    lexer.removeErrorListeners();
    lexer.addErrorListener(listener);
    parser.removeErrorListeners();
    parser.addErrorListener(listener);
    final PsModelContext psModel = parser.psModel();
    if (syntaxProblems.size() == 0) {
        final HDLPackage hdl = ParserToModelExtension.toHDL(tokens, psModel, libURI, src);
        return hdl;
    }
    return null;
}