Examples with StreamingASTokenizer org.apache.flex.compiler.internal.parsing.as.StreamingASTokenizer used on opensource projects

Example 1 with StreamingASTokenizer

use of org.apache.flex.compiler.internal.parsing.as.StreamingASTokenizer in project vscode-nextgenas by BowlerHatLLC.

the class ActionScriptTextDocumentService method checkFilePathForSyntaxProblems.

private void checkFilePathForSyntaxProblems(Path path) {
    URI uri = path.toUri();
    PublishDiagnosticsParams publish = new PublishDiagnosticsParams();
    ArrayList<Diagnostic> diagnostics = new ArrayList<>();
    publish.setDiagnostics(diagnostics);
    publish.setUri(uri.toString());
    codeProblemTracker.trackFileWithProblems(uri);
    ASParser parser = null;
    Reader reader = getReaderForPath(path);
    if (reader != null) {
        StreamingASTokenizer tokenizer = StreamingASTokenizer.createForRepairingASTokenizer(reader, uri.toString(), null);
        ASToken[] tokens = tokenizer.getTokens(reader);
        if (tokenizer.hasTokenizationProblems()) {
            for (ICompilerProblem problem : tokenizer.getTokenizationProblems()) {
                addCompilerProblem(problem, publish);
            }
        }
        RepairingTokenBuffer buffer = new RepairingTokenBuffer(tokens);
        Workspace workspace = new Workspace();
        workspace.endRequest();
        parser = new ASParser(workspace, buffer);
        FileNode node = new FileNode(workspace);
        try {
            parser.file(node);
        } catch (Exception e) {
            parser = null;
            System.err.println("Failed to parse file (" + path.toString() + "): " + e);
            e.printStackTrace();
        }
        //if an error occurred above, parser will be null
        if (parser != null) {
            for (ICompilerProblem problem : parser.getSyntaxProblems()) {
                addCompilerProblem(problem, publish);
            }
        }
    }
    Diagnostic diagnostic = createDiagnosticWithoutRange();
    diagnostic.setSeverity(DiagnosticSeverity.Information);
    if (reader == null) {
        //the file does not exist
        diagnostic.setSeverity(DiagnosticSeverity.Error);
        diagnostic.setMessage("File not found: " + path.toAbsolutePath().toString() + ". Error checking disabled.");
    } else if (parser == null) {
        //something terrible happened, and this is the best we can do
        diagnostic.setSeverity(DiagnosticSeverity.Error);
        diagnostic.setMessage("A fatal error occurred while checking for simple syntax problems.");
    } else if (currentProjectOptions == null) {
        //something went wrong while attempting to load and parse the
        //project configuration.
        diagnostic.setMessage("Failed to load project configuration options. Error checking disabled, except for simple syntax problems.");
    } else {
        //we loaded and parsed the project configuration, so something went
        //wrong while checking for errors.
        diagnostic.setMessage("A fatal error occurred while checking for errors. Error checking disabled, except for simple syntax problems.");
    }
    diagnostics.add(diagnostic);
    codeProblemTracker.cleanUpStaleProblems();
    if (languageClient != null) {
        languageClient.publishDiagnostics(publish);
    }
}