Example usage for org.antlr.v4.runtime CharStreams fromPath

Introduction

In this page you can find the example usage for org.antlr.v4.runtime CharStreams fromPath.

Prototype

public static CharStream fromPath(Path path) throws IOException 

Source Link

Document

Creates a CharStream given a path to a UTF-8 encoded file on disk.

Usage

From source file:edu.clemson.cs.rsrg.misc.Utilities.java

License:Open Source License

/**
 * <p>Converts a regular {@link File} object to the
 * {@link ResolveFile} accepted by the compiler.</p>
 *
 * @param file The Java File object./*from   ww  w.  j av a2  s.com*/
 * @param moduleType The extension of the file.
 * @param workspacePath The current RESOLVE workspace path.
 *
 * @return A {@link ResolveFile} object representing the file.
 *
 * @throws IOException There was some sort of error during the conversion.
 */
public static ResolveFile convertToResolveFile(File file, ModuleType moduleType, String workspacePath)
        throws IOException {
    // Convert to the internal representation of a RESOLVE file
    String name = Utilities.getFileName(file.getName(), moduleType);
    List<String> pkgList = Utilities.getPackageList(file.getAbsolutePath(), workspacePath);
    CharStream inputStream = CharStreams.fromPath(file.toPath());
    File parentFile = file.getParentFile();

    return new ResolveFile(new ResolveFileBasicInfo(name, parentFile.getName()), moduleType, inputStream,
            parentFile.toPath(), pkgList, file.getAbsolutePath());
}

---

From source file:org.flightgear.clgen.CLGen.java

License:Open Source License

private void run() throws IOException, GeneratorException {
    CLGenLexer lexer = new CLGenLexer(CharStreams.fromPath(input));
    CommonTokenStream tokenStream = new CommonTokenStream(lexer);
    errorListener = new ErrorListener(tokenStream);
    SpecificationContext context = parse(tokenStream);
    if (errors != 0)
        System.err.format("Generation failed with %d error%s.\n", errors, errors != 1 ? "s" : "");
    else {/*  ww w .j  a v  a2 s  .  com*/
        Map<String, Item> items = buildItems(context);
        AbstractSyntaxTree ast = buildAST(items, context);
        if (errors > 0) {
            System.err.format("Generation failed with %d error%s.\n", errors, errors != 1 ? "s" : "");
            return;
        }
        UsageVisitor usageVisitor = new UsageVisitor(items);
        ast.accept(usageVisitor);
        warnings += usageVisitor.getNumberOfWarnings();

        if (ast.isWrapper())
            ast.accept(new MultiXmlVisitor(input.toAbsolutePath().getParent()));
        else
            ast.accept(new XmlVisitor(input.toAbsolutePath().getParent()));

        ast.accept(new DotVisitor(input.toAbsolutePath().getParent()));
        ast.accept(new PdfVisitor(input.toAbsolutePath().getParent()));
        if (warnings > 0)
            System.out.format("Generation complete with %d warning%s.\n", warnings, warnings != 1 ? "s" : "");
        else
            System.out.println("Generation complete.");
    }
}

---