public SourceUnitTree Parse(SourceUnit /*!*/ sourceUnit, RubyCompilerOptions /*!*/ options, ErrorSink /*!*/ errorSink)
{
Assert.NotNull(sourceUnit, options, errorSink);
ErrorCounter counter = new ErrorCounter(errorSink);
_tokenizer.ErrorSink = counter;
_tokenizer.Compatibility = options.Compatibility;
_lexicalScopes.Clear();
EnterScope(CreateTopScope(options.LocalNames));
using (SourceCodeReader reader = sourceUnit.GetReader()) {
_sourceUnit = sourceUnit;
_tokenizer.Initialize(null, reader, sourceUnit, options.InitialLocation);
// Default encoding when hosted (ignore KCODE, we are reading from Unicode buffer):
_tokenizer.Encoding = (reader.Encoding != null) ? RubyEncoding.GetRubyEncoding(reader.Encoding) : RubyEncoding.UTF8;
_tokenizer.AllowNonAsciiIdentifiers = _tokenizer.Encoding != RubyEncoding.Binary;
try {
Parse();
LeaveScope();
} catch (InternalSyntaxError) {
_ast = null;
_lexicalScopes.Clear();
} finally {
ScriptCodeParseResult props;
if (counter.AnyError)
{
_ast = null;
if (_tokenizer.UnterminatedToken)
{
props = ScriptCodeParseResult.IncompleteToken;
}
else if (_tokenizer.EndOfFileReached)
{
props = ScriptCodeParseResult.IncompleteStatement;
}
else
{
props = ScriptCodeParseResult.Invalid;
}
}
else
{
props = ScriptCodeParseResult.Complete;
}
sourceUnit.CodeProperties = props;
}
return(_ast);
}
}
public SourceUnitTree Parse(SourceUnit /*!*/ sourceUnit, RubyCompilerOptions /*!*/ options, ErrorSink /*!*/ errorSink)
{
Assert.NotNull(sourceUnit, options, errorSink);
ErrorCounter counter = new ErrorCounter(errorSink);
_tokenizer.ErrorSink = counter;
_tokenizer.Compatibility = options.Compatibility;
_lexicalScopes.Clear();
EnterScope(CreateTopScope(options.LocalNames));
using (SourceCodeReader reader = sourceUnit.GetReader()) {
_sourceUnit = sourceUnit;
_tokenizer.Initialize(null, reader, sourceUnit, options.InitialLocation);
// default encoding when hosted:
_encoding = reader.Encoding ?? RubyEncoding.GetDefaultHostEncoding(options.Compatibility);
try {
Parse();
LeaveScope();
} catch (InternalSyntaxError) {
_ast = null;
_lexicalScopes.Clear();
} finally {
ScriptCodeParseResult props;
if (counter.AnyError)
{
_ast = null;
if (_tokenizer.UnterminatedToken)
{
props = ScriptCodeParseResult.IncompleteToken;
}
else if (_tokenizer.IsEndOfFile)
{
props = ScriptCodeParseResult.IncompleteStatement;
}
else
{
props = ScriptCodeParseResult.Invalid;
}
}
else
{
props = ScriptCodeParseResult.Complete;
}
sourceUnit.CodeProperties = props;
}
return(_ast);
}
}
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 void ParserLoggingTest() {
#if DEBUG
string source = "def foo(a); end";
var sourceUnit = Context.CreateSnippet(source, SourceCodeKind.Statements);
var options = new RubyCompilerOptions();
string temp = Path.Combine(Path.GetTempPath(), "RubyParser");
Console.WriteLine("> see {0}", temp);
Directory.CreateDirectory(temp);
Parser parser = new Parser();
using (TextWriter writer = File.CreateText(Path.Combine(temp, "default.log"))) {
DefaultParserLogger.Attach(parser, writer);
parser.Parse(sourceUnit, options, ErrorSink.Null);
}
using (TextWriter writer = File.CreateText(Path.Combine(temp, "tables.csv"))) {
parser.DumpTables(writer);
}
using (TextWriter writer = File.CreateText(Path.Combine(temp, "productions.txt"))) {
for (int i = 0; i < parser.Rules.Length; i++) {
writer.WriteLine("{0}\t{1}", i, parser.RuleToString(i));
}
}
parser = new Parser();
using (TextWriter writer = File.CreateText(Path.Combine(temp, "productions.txt"))) {
for (int i = 0; i < parser.Rules.Length; i++) {
writer.WriteLine("{0}\t{1}", i, parser.RuleToString(i));
}
}
using (TextWriter writer = File.CreateText(Path.Combine(temp, "second_order.log"))) {
parser.EnableLogging(new CoverageParserLogger(parser, writer));
parser.Parse(sourceUnit, options, ErrorSink.Null);
}
#endif
}
private void ExecuteRubySourceUnit(SourceUnit/*!*/ sourceUnit, Scope/*!*/ globalScope, LoadFlags flags) {
Assert.NotNull(sourceUnit, globalScope);
// TODO: check file timestamp
string fullPath = Platform.GetFullPath(sourceUnit.Path);
CompiledFile compiledFile;
if (TryGetCompiledFile(fullPath, out compiledFile)) {
Utils.Log(String.Format("{0}: {1}", ++_cacheHitCount, sourceUnit.Path), "LOAD_CACHED");
compiledFile.CompiledCode.Run(globalScope);
} else {
Utils.Log(String.Format("{0}: {1}", ++_compiledFileCount, sourceUnit.Path), "LOAD_COMPILED");
RubyCompilerOptions options = new RubyCompilerOptions(_context.RubyOptions) {
IsIncluded = true,
IsWrapped = (flags & LoadFlags.LoadIsolated) != 0,
};
long ts1 = Stopwatch.GetTimestamp();
ScriptCode compiledCode = sourceUnit.Compile(options, _context.RuntimeErrorSink);
long ts2 = Stopwatch.GetTimestamp();
Interlocked.Add(ref _ScriptCodeGenerationTimeTicks, ts2 - ts1);
AddCompiledFile(fullPath, compiledCode);
CompileAndRun(globalScope, compiledCode, _context.Options.InterpretedMode);
}
}
private void AstLocations1() {
// DumpExpression uses private reflection:
if (_driver.PartialTrust) return;
var sourceUnit = Context.CreateSnippet(@"
def add a,b
a + b
end
add 1, 1
add 'foo', 'bar'
", SourceCodeKind.Expression);
var options = new RubyCompilerOptions();
var parser = new Parser();
var tokens = new List<KeyValuePair<SourceSpan, Tokens>>();
parser.TokenSink = (token, span) => { tokens.Add(new KeyValuePair<SourceSpan, Tokens>(span, token)); };
var ast = parser.Parse(sourceUnit, options, Context.RuntimeErrorSink);
const int Id = 0x12345678;
var lambda = CallSiteTracer.Transform<Func<Scope, LanguageContext, object>>(ast, sourceUnit, options, Id);
var code = new RubyScriptCode(lambda, sourceUnit);
var locations = new List<int>();
CallSiteTracer.Register((context, args, result, id, location) => {
locations.Add(location);
Debug.Assert(id == Id);
Debug.Assert(location > 0);
//Console.WriteLine("-- {0} ---------", location);
//Console.WriteLine(this);
//Console.WriteLine(AstUtils.DumpExpression(result.Restrictions.ToExpression()));
//Console.WriteLine();
//Console.WriteLine(AstUtils.DumpExpression(result.Expression));
//Console.WriteLine("----------------");
});
code.Run();
Debug.Assert(locations.Count == 4 && locations[0] == 31 && locations[1] == 19 && locations[2] == 41 && locations[3] == 19);
}
private void Benchmark(List<string>/*!*/ files) {
var sources = new List<SourceUnit>();
Stopwatch readTime = new Stopwatch();
long totalSize = 0;
readTime.Start();
foreach (string path in files) {
try {
byte[] data = File.ReadAllBytes(path);
sources.Add(_context.CreateSourceUnit(new BinaryContentProvider(data), path, Encoding.Default, SourceCodeKind.File));
totalSize += data.Length;
} catch (Exception) {
Console.WriteLine("Error: {0}", path);
}
}
readTime.Stop();
Console.WriteLine("Read: {0} kB in {1}", totalSize / 1024, readTime.Elapsed);
#if F
Stopwatch tokenizeTime = new Stopwatch();
tokenizeTime.Start();
foreach (var source in sources) {
try {
var tokenizer = new Tokenizer();
tokenizer.Initialize(source);
Tokens token;
do {
token = tokenizer.GetNextToken();
} while (token != Tokens.EndOfFile);
} catch (Exception) {
Console.WriteLine("Tokenization error: {0}", source.Path);
break;
}
}
tokenizeTime.Stop();
#endif
//var stackSizes = new Dictionary<int, int>();
var options = new RubyCompilerOptions();
Stopwatch parseTime = new Stopwatch();
Stopwatch transformTime = new Stopwatch();
foreach (var source in sources) {
try {
parseTime.Start();
var parser = new Parser();
var rubyTree = parser.Parse(source, options, ErrorSink.Null);
//int mt;
//stackSizes[parser.StackMaxTop] = stackSizes.TryGetValue(parser.StackMaxTop, out mt) ? mt + 1 : 1;
parseTime.Stop();
#if F
if (rubyTree != null) {
transformTime.Start();
var lambda = _context.TransformTree<DlrMainCallTarget>(rubyTree, source, options);
transformTime.Stop();
} else {
Console.WriteLine("SyntaxError: {0}", source.Path);
}
#endif
} catch (Exception e) {
Console.WriteLine("{0}: {1}: {2}", e.GetType().Name, source.Path, e.Message);
break;
}
}
// Console.WriteLine("Tokenize: {0}", tokenizeTime.Elapsed);
Console.WriteLine("Parse: {0}", parseTime.Elapsed);
//Console.WriteLine("Idf/Kwd/Loc: {0}/{1}/{2}", Tokenizer.IdfLength, Tokenizer.KwdLength, Tokenizer.LocLength);
// Console.WriteLine("Transform: {0}", transformTime.Elapsed);
//PerfTrack.DumpHistogram(Parser.Reductions);
//PerfTrack.DumpHistogram(stackSizes);
}
private ScriptCode/*!*/ CompileRubySource(SourceUnit/*!*/ sourceUnit, LoadFlags flags) {
Assert.NotNull(sourceUnit);
// TODO: check file timestamp
string fullPath = Platform.GetFullPath(sourceUnit.Path);
CompiledFile compiledFile;
if (TryGetCompiledFile(fullPath, out compiledFile)) {
Utils.Log(String.Format("{0}: {1}", ++_cacheHitCount, sourceUnit.Path), "LOAD_CACHED");
return compiledFile.CompiledCode;
} else {
Utils.Log(String.Format("{0}: {1}", ++_compiledFileCount, sourceUnit.Path), "LOAD_COMPILED");
RubyCompilerOptions options = new RubyCompilerOptions(_context.RubyOptions) {
FactoryKind = (flags & LoadFlags.LoadIsolated) != 0 ? TopScopeFactoryKind.WrappedFile : TopScopeFactoryKind.File
};
long ts1 = Stopwatch.GetTimestamp();
ScriptCode compiledCode = sourceUnit.Compile(options, _context.RuntimeErrorSink);
long ts2 = Stopwatch.GetTimestamp();
Interlocked.Add(ref _ScriptCodeGenerationTimeTicks, ts2 - ts1);
AddCompiledFile(fullPath, compiledCode);
return compiledCode;
}
}
private ScriptCode/*!*/ CompileRubySource(SourceUnit/*!*/ sourceUnit, LoadFlags flags) {
Assert.NotNull(sourceUnit);
// TODO: check file timestamp
string fullPath = Platform.GetFullPath(sourceUnit.Path);
#if FEATURE_FILESYSTEM
CompiledFile compiledFile;
if (TryGetCompiledFile(fullPath, out compiledFile)) {
Utils.Log(String.Format("{0}: {1}", ++_cacheHitCount, sourceUnit.Path), "LOAD_CACHED");
return compiledFile.CompiledCode;
}
Utils.Log(String.Format("{0}: {1}", ++_compiledFileCount, sourceUnit.Path), "LOAD_COMPILED");
#endif
RubyCompilerOptions options = new RubyCompilerOptions(_context.RubyOptions) {
FactoryKind = (flags & LoadFlags.LoadIsolated) != 0 ? TopScopeFactoryKind.WrappedFile : TopScopeFactoryKind.File
};
ScriptCode compiledCode = sourceUnit.Compile(options, _context.RuntimeErrorSink);
#if FEATURE_FILESYSTEM
AddCompiledFile(fullPath, compiledCode);
#endif
return compiledCode;
}