ANTLRParseTreeToPSIConverter.java 文件源码

public ANTLRParseTreeToPSIConverter(Language language, Parser parser, PsiBuilder builder) {
    this.language = language;
    this.builder = builder;

    this.tokenElementTypes = PSIElementTypeFactory.getTokenIElementTypes(language);
    this.ruleElementTypes = PSIElementTypeFactory.getRuleIElementTypes(language);

    for (ANTLRErrorListener listener : parser.getErrorListeners()) {
        if (listener instanceof SyntaxErrorListener) {
            syntaxErrors = ((SyntaxErrorListener)listener).getSyntaxErrors();
            for (SyntaxError error : syntaxErrors) {
                // record first error per token
                int StartIndex = error.getOffendingSymbol().getStartIndex();
                if ( !tokenToErrorMap.containsKey(StartIndex) ) {
                    tokenToErrorMap.put(StartIndex, error);
                }
            }
        }
    }
}