public SourceUnitTree CreateAst(string fileName, ITextBuffer fileContent)
{
if (scriptEngine == null) {
scriptEngine = Ruby.CreateEngine();
}
RubyContext rubyContext = HostingHelpers.GetLanguageContext(scriptEngine) as RubyContext;
sourceUnit = rubyContext.CreateFileUnit(fileName, fileContent.Text);
RubyCompilerSink sink = new RubyCompilerSink();
RubyCompilerOptions compilerOptions = new RubyCompilerOptions((RubyOptions)rubyContext.Options);
Parser parser = new Parser();
return parser.Parse(sourceUnit, compilerOptions, sink);
}
private ResolvedFile GetSourceUnit(string /*!*/ path, string /*!*/ extension, bool extensionAppended)
{
Assert.NotNull(path, extension);
LanguageContext language;
if (extension.Length == 0 || !DomainManager.TryGetLanguageByFileExtension(extension, out language))
{
// Ruby by default:
language = _context;
}
if (!DomainManager.Platform.FileExists(path))
{
return(null);
}
// TODO: default encoding:
var sourceUnit = _context.CreateFileUnit(path, BinaryEncoding.Instance, SourceCodeKind.File);
return(new ResolvedFile(sourceUnit, extensionAppended ? extension : null));
}
private void DumpFile(string /*!*/ path)
{
_log.WriteLine(path);
try {
string fullPath = Path.GetFullPath(path);
string root = Path.GetPathRoot(fullPath);
string outputPath = Path.ChangeExtension(Path.Combine(_targetDir, fullPath.Substring(root.Length).TrimEnd('\'', '/')), ".txt");
Directory.CreateDirectory(Path.GetDirectoryName(outputPath));
using (TextWriter output = File.CreateText(outputPath)) {
output.WriteLine(fullPath);
output.WriteLine();
output.WriteLine("Tokens:");
output.WriteLine();
ErrorLog errors = new ErrorLog();
Parser parser = new Parser();
parser.TokenSink = delegate(Tokens token, SourceSpan span) {
DumpTokenDetail(output, parser.Tokenizer, token);
};
if (_logProductions)
{
#if DEBUG
parser.EnableLogging(new CoverageParserLogger(parser, _parserLog));
#endif
}
_currentSourceFile = path;
SourceUnitTree ast = null;
try {
ast = parser.Parse(_context.CreateFileUnit(path), new RubyCompilerOptions(), errors);
} catch (Exception e) {
WriteException(e.ToString());
}
output.WriteLine();
if (errors.ErrorCount + errors.FatalErrorCount + errors.WarningCount > 0)
{
output.WriteLine();
output.WriteLine("Errors:");
foreach (string error in errors.Errors)
{
output.WriteLine(error);
}
}
else
{
Debug.Assert(ast != null);
DumpRegularExpressions(ast);
}
output.WriteLine(".");
}
} catch (Exception e) {
_log.WriteLine("!{0}", e.Message);
} finally {
_currentSourceFile = null;
_regexLog.Flush();
_parserLog.Flush();
}
}