LanguageImpl.java 文件源码

@Override
public void graph() {
    // first pass to extract defs
    super.graph();

    // second pass to extract refs
    firstPass = false;
    for (Map.Entry<File, ParseTree> entry : trees.entrySet()) {
        processingPath.push(PathUtil.relativizeCwd(entry.getKey().toPath()));
        LOGGER.info("Extracting refs from {}", getCurrentFile());
        try {
            ParseTreeWalker walker = new ParseTreeWalker();
            walker.walk(new SwiftParseTreeListener(this), entry.getValue());
        } catch (Exception e) {
            LOGGER.error("Failed to process {} - unexpected error", getCurrentFile(), e);
        } finally {
            processingPath.pop();
        }
    }
}