private ILSLCompilationUnitNode ValidateCurrentEditorText()
{
if (TabControl.SelectedItem == null)
{
return(null);
}
var tab = (EditorTab)TabControl.SelectedItem;
if (tab.SourceCode == null)
{
tab.SourceCode = "";
}
var validator = new LSLCodeValidator(_codeValidatorStrategies);
ILSLCompilationUnitNode validated;
var memoryStream = new MemoryStream(Encoding.UTF8.GetBytes(tab.SourceCode));
//I want to be able to debug validator errors in debug mode
//Hence the conditional compilation.
#if !DEBUG
try
{
using (var infile = new StreamReader(memoryStream, Encoding.UTF8))
{
validated = validator.Validate(infile);
}
}
catch (LSLCodeValidatorInternalException error)
{
MessageBox.Show(this, "Please report this message with the code that caused it: " + error.Message,
"Internal Validation Error", MessageBoxButton.OK, MessageBoxImage.Error);
validated = null;
}
catch (Exception error)
{
MessageBox.Show(this, "Please report this message with the code that caused it: " + error.Message,
"Unknown Validation Error", MessageBoxButton.OK, MessageBoxImage.Error);
validated = null;
}
#else
using (var infile = new StreamReader(memoryStream, Encoding.UTF8))
{
validated = validator.Validate(infile);
}
#endif
return(validated);
}
public void Convert(string script, StringBuilder sb)
{
var validatorServices = new LSLCodeValidatorStrategies();
var errorListener = new ErrorListener();
var warningListener = new WarningListener(this);
validatorServices.ExpressionValidator = ExpressionValidator;
validatorServices.LibraryDataProvider = _libraryData;
validatorServices.StringLiteralPreProcessor = new LSLDefaultStringPreProcessor();
validatorServices.SyntaxErrorListener = errorListener;
validatorServices.SyntaxWarningListener = warningListener;
var validator = new LSLCodeValidator(validatorServices);
ILSLCompilationUnitNode syntaxTree;
using (var m = new MemoryStream(Encoding.Unicode.GetBytes(script)))
{
syntaxTree = validator.Validate(new StreamReader(m, Encoding.Unicode));
}
_warnings = warningListener.Warnings;
/*
* An exception will be thrown from the ErrorListener defined at the top of this file in case of syntax errors, so skip this check.
*
* if (validator.HasSyntaxErrors)
* {
* return;
* }
*/
var outStream = new MemoryStream();
var compiler = new LSLOpenSimCompiler(_libraryData, CompilerSettings);
compiler.Compile(syntaxTree, new StreamWriter(outStream, Encoding.Unicode));
sb.Append(Encoding.Unicode.GetString(outStream.ToArray()));
}
public int Compile(string outputFile)
{
LSLCodeValidatorStrategies codeValidatorStrategies = new LSLCodeValidatorStrategies
{
ExpressionValidator = ExpressionValidator,
StringLiteralPreProcessor = StringLiteralPreProcessor
};
codeValidatorStrategies.SyntaxErrorListener = new SyntaxErrorListener(this);
codeValidatorStrategies.SyntaxWarningListener = new SyntaxWarningListener(this);
var defaultProvider = new LSLEmbeddedLibraryDataProvider();
foreach (var library in LibrarySubsets)
{
if (defaultProvider.SubsetDescriptions.ContainsKey(library))
{
defaultProvider.ActiveSubsets.Add(library);
}
else
{
WriteLine(CmdWarningHeader + "Library subset '{0}' does not exist and was ignored.", library);
}
}
codeValidatorStrategies.LibraryDataProvider = defaultProvider;
var validator = new LSLCodeValidator(codeValidatorStrategies);
ILSLCompilationUnitNode validated;
WriteLine(CmdNoticeHeader + "Compiling '{0}'...", _fileName);
try
{
using (var infile = new StreamReader(_fileName))
{
validated = validator.Validate(infile);
if (validator.HasSyntaxErrors)
{
WriteLine();
WriteLine("===============================");
WriteLine();
WriteLine("Syntax Errors:");
WriteLine();
foreach (var msg in _syntaxErrorMessages)
{
WriteLine(msg);
}
_syntaxErrorMessages.Clear();
WriteLine("===============================");
WriteLine();
}
if (validator.HasSyntaxWarnings)
{
if (!validator.HasSyntaxErrors)
{
WriteLine();
WriteLine("===============================");
WriteLine();
}
WriteLine("Syntax Warnings:");
WriteLine();
foreach (var msg in _syntaxWarningMessages)
{
WriteLine(msg);
}
_syntaxWarningMessages.Clear();
WriteLine("===============================");
WriteLine();
}
if (validator.HasSyntaxErrors)
{
WriteLine("Compilation phase did not start due to syntax errors.");
return(ReturnCode.SyntaxErrors);
}
}
}
catch (IOException error)
{
WriteLine(CmdErrorHeader + "Input File '{0}' could not be read from.", _fileName);
WriteLine();
WriteLine(CmdExceptionHeader + error.Message);
return(ReturnCode.InputFileUnreadable);
}
catch (UnauthorizedAccessException error)
{
WriteLine(CmdErrorHeader + "Input File '{0}' could not be read from.", _fileName);
WriteLine();
WriteLine(CmdExceptionHeader + error.Message);
return(ReturnCode.InputFileUnreadable);
}
catch (LSLCodeValidatorInternalException error)
{
WriteLine();
WriteLine("Code Validator, internal error.");
WriteLine();
WriteLine(CmdExceptionHeader + error.Message);
WriteLine();
WriteLine(InternalErrorMessage);
return(ReturnCode.CodeValidatorInternalError);
}
catch (Exception error)
{
WriteLine();
WriteLine("Code Validator, unknown error.");
WriteLine();
WriteLine(CmdExceptionHeader + error.Message);
WriteLine();
WriteLine(InternalErrorMessage);
return(ReturnCode.CodeValidatorUnknownError);
}
//==========
// Compile Tree Into Code
//==========
LSLOpenSimCompilerSettings compilerSettings;
if (!ClientCode)
{
compilerSettings =
LSLOpenSimCompilerSettings.CreateOpenSimServerSide();
compilerSettings.ScriptHeader = ServerSideScriptCompilerHeader;
compilerSettings.InsertCoOpTerminationCalls = CoOpStop;
}
else
{
compilerSettings =
LSLOpenSimCompilerSettings.CreateOpenSimClientSide();
compilerSettings.ScriptHeader = ClientSideScriptCompilerHeader;
compilerSettings.InsertCoOpTerminationCalls = CoOpStop;
}
try
{
var dir = Path.GetDirectoryName(outputFile);
if (!string.IsNullOrWhiteSpace(dir))
{
Directory.CreateDirectory(dir);
}
using (var outfile = File.Create(outputFile))
{
var compiler = new LSLOpenSimCompiler(defaultProvider, compilerSettings);
compiler.Compile(validated, new StreamWriter(outfile, Encoding.UTF8));
}
WriteLine("Finished, output to \"" + outputFile + "\"");
}
catch (IOException error)
{
WriteLine(CmdErrorHeader + "Output File '{0}' could not be written to.", outputFile);
WriteLine();
WriteLine(CmdExceptionHeader + error.Message);
return(ReturnCode.OutputFileUnwritable);
}
catch (UnauthorizedAccessException error)
{
WriteLine(CmdErrorHeader + "Output File '{0}' could not be written to.", outputFile);
WriteLine();
WriteLine(CmdExceptionHeader + error.Message);
return(ReturnCode.OutputFileUnwritable);
}
catch (LSLCompilerInternalException error)
{
WriteLine();
WriteLine("Compiler internal error:");
WriteLine();
WriteLine(CmdExceptionHeader + error.Message);
WriteLine();
WriteLine(InternalErrorMessage);
return(ReturnCode.CompilerInternalError);
}
catch (Exception error)
{
WriteLine();
WriteLine("Compiler unknown error:");
WriteLine();
WriteLine(CmdExceptionHeader + error.Message);
WriteLine();
WriteLine(InternalErrorMessage);
return(ReturnCode.CompilerUnknownError);
}
return(ReturnCode.Success);
}
private static void ReflectAndCompileExample()
{
Console.WriteLine();
Console.WriteLine("Library data reflect and compiler example.");
Console.WriteLine();
Console.WriteLine("======================");
Console.WriteLine();
var x = new LSLLibraryDataReflectionSerializer
{
PropertyBindingFlags =
BindingFlags.Instance | BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.Public |
BindingFlags.DeclaredOnly,
FieldBindingFlags =
BindingFlags.Instance | BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.Public |
BindingFlags.DeclaredOnly,
MethodBindingFlags =
BindingFlags.Instance | BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.Public |
BindingFlags.DeclaredOnly,
//a fall back value string converter used by the serializer
//or null.. not really used since the class we are reflecting
//defines all of its converters explicitly at the class level via the LSLLibraryDataSerializable
//
//This is just demonstrating that you can have a fall back.
//
//It goes to say, if any converter in the serializer is null, and its actually required
//to convert a type because a class or class member does not explicitly attribute itself
//then the serializer will throw an informative exception about what member needed a converter
//but could not find one to use.
ValueStringConverter = new MyValueStringConverter(),
//a fall back constant type converter used by the serializer when nothing else is available
//or null..
ConstantTypeConverter = new MySimpleConverter(),
//fall back return type converter
ReturnTypeConverter = new MySimpleConverter(),
//fall back parameter type converter
ParamTypeConverter = new MySimpleConverter(),
//we have plenty of converters set up, might as well
//serialize all the un-attributed methods as well?
//sure, if you want.
AttributedMethodsOnly = false,
//Constants too.
AttributedConstantsOnly = false,
//we can converter non attributed parameter types, for sure.
//don't exclude them from the de-serialized signatures.
AttributedParametersOnly = false,
};
//a provider with no live filtering enabled, only load functions with the subset "my-lsl"
LSLLibraryDataProvider myProvider = new LSLLibraryDataProvider(new[] { "my-lsl" }, false);
//declare the subset my-lsl for use.
myProvider.AddSubsetDescription(new LSLLibrarySubsetDescription("my-lsl", "My LSL Demo"));
//define an event with no parameters, make sure its subsets are set so that it gets put in the "my-lsl" subset.
myProvider.DefineEventHandler(new LSLLibraryEventSignature("my_event")
{
Subsets = { "my-lsl" }
});
myProvider.DefineEventHandler(new LSLLibraryEventSignature("my_deprecated_event")
{
Subsets = { "my-lsl" },
Deprecated = true
});
Console.WriteLine("Methods....\n\n");
var methods = x.DeSerializeMethods(typeof(AttributeReflectionTestClass)).ToList();
foreach (var c in methods)
{
//add this function to the my-lsl subset
c.Subsets.Add("my-lsl");
myProvider.DefineFunction(c);
Console.WriteLine(c.ToString());
}
Console.WriteLine("\n\nWithout instance provided....\n\n");
var constants = x.DeSerializeConstants(typeof(AttributeReflectionTestClass)).ToList();
foreach (var c in constants)
{
//add this constant to the my-lsl subset
c.Subsets.Add("my-lsl");
myProvider.DefineConstant(c);
Console.WriteLine(c.ToString());
}
Console.WriteLine("\n\nWith instance provided....\n\n");
constants =
x.DeSerializeConstants(typeof(AttributeReflectionTestClass), new AttributeReflectionTestClass()).ToList();
foreach (var c in constants)
{
//Don't add anything to the provider here. Just demonstrating the difference between
//serializing classes that contain static or non-static fields when providing an object instance
//to the serializer.
Console.WriteLine(c.ToString());
}
//Set up the implementations LSLCodeValidator relies on's
var validatorStrategies = new LSLCodeValidatorStrategies();
validatorStrategies.ExpressionValidator = new LSLDefaultExpressionValidator();
validatorStrategies.StringLiteralPreProcessor = new LSLDefaultStringPreProcessor();
//These both print to stdout by default.
validatorStrategies.SyntaxErrorListener = new LSLDefaultSyntaxErrorListener();
validatorStrategies.SyntaxWarningListener = new LSLDefaultSyntaxWarningListener();
//Use ours, we only defined a few things
validatorStrategies.LibraryDataProvider = myProvider;
Console.WriteLine("\n\nSyntax Checking Demo Code...\n\n");
LSLCodeValidator validator = new LSLCodeValidator(validatorStrategies);
StringReader strReader = new StringReader(
@"
default{
my_event(){
//Valid to call AttributeReflectionTestClass.function(int arg1, string arg2, params int[] variadic);
//No syntax errors, the function is overloaded and also variadic.
string testStr = ""hello world"";
integer i = 0;
for(; i < CONSTANT_A ; i++)
{
//reference a deprecated constant, causes a warning
integer expand = CONSTANT_B;
function(expand, testStr , 1,2,3,4,5);
list testList = myModuleFunction(""hi there"");
}
}
my_deprecated_event(){
//reference a deprecated event, causes a deprecation warning.
}
}
");
ILSLCompilationUnitNode tree = validator.Validate(strReader);
//Validate returns null if a syntax error was encountered.
//I do not want users to visit a tree with syntax errors.
//
//The 'IsError' property that tree node interfaces have is only
//to propagate source code errors up to the root node of the syntax tree,
//so that the validator can tell if it needs to return null or not.
//
if (tree != null)
{
Console.WriteLine("\n\nNo syntax errors!\n\n");
var compilerSettings = new LSLOpenSimCompilerSettings();
compilerSettings.InsertCoOpTerminationCalls = true;
compilerSettings.GenerateClass = true;
compilerSettings.GeneratedClassName = "MyClass";
compilerSettings.GeneratedConstructorSignature = "()";
compilerSettings.GeneratedClassNamespace = "MyNameSpace";
LSLOpenSimCompiler compiler = new LSLOpenSimCompiler(myProvider, compilerSettings);
MemoryStream memStream = new MemoryStream();
var memWriter = new StreamWriter(memStream);
compiler.Compile(tree, memWriter);
Console.WriteLine(Encoding.Default.GetString(memStream.ToArray()));
}
}