public override void VisitForStatement(ForStatementSyntax node)
{
// Convert the variable declaration to an assignment expression statement
if (node.Declaration != null)
{
foreach (var variable in node.Declaration.Variables)
{
// Hoist the variable into a field
var symbol = (ILocalSymbol)ModelExtensions.GetDeclaredSymbol(Transformer.Model, variable);
var identifier = HoistVariable(new LiftedVariableKey(variable.Identifier, symbol));
if (variable.Initializer != null)
{
var assignment = identifier.GetReference().Assign((JsExpression)variable.Initializer.Value.Accept(Transformer));
CurrentState.Add(assignment.Express());
}
}
}
else if (node.Initializers.Any())
{
foreach (var initializer in node.Initializers)
{
var assignment = (JsExpression)initializer.Accept(Transformer);
CurrentState.Add(assignment.Express());
}
}
var topOfLoop = GetNextState();
GotoState(topOfLoop);
CurrentState = topOfLoop;
var afterLoop = GetNextState();
var bodyState = NewState();
var incrementorState = NewState();
var newWhileStatement = Js.While(
node.Condition == null ? Js.Primitive(true) : (JsExpression)node.Condition.Accept(Transformer),
GotoStateBlock(bodyState));
CurrentState.Add(newWhileStatement);
GotoState(afterLoop);
CurrentState = bodyState;
AcceptStatement(node.Statement, afterLoop, incrementorState);
GotoState(incrementorState);
CurrentState = incrementorState;
foreach (var incrementor in node.Incrementors)
{
CurrentState.Add(((JsExpression)incrementor.Accept(Transformer)).Express());
}
GotoState(topOfLoop);
CurrentState = afterLoop;
}
protected override void OnBaseStateGenerated()
{
var lastStatement = CurrentState.Statements.LastOrDefault();
if (lastStatement is JsContinueStatement || lastStatement is JsBreakStatement || lastStatement is JsReturnStatement)
{
return;
}
CurrentState.Add(Js.Return(Js.Primitive(false)));
}
public override JsNode Visit(JsReturnStatement node)
{
escapeStatements.Add(new EscapeStatement {
Type = Return
});
return(Js.Return(Js.Object(
Js.Item(EscapeTypeField, Js.Primitive(Return)),
Js.Item(EscapeValueField, node.Expression != null ? node.Expression : Js.Null()),
Js.Item(EscapeDepthField, Js.Primitive(loopDepth))
).Compact()));
}
public override JsNode Visit(JsBreakStatement node)
{
escapeStatements.Add(new EscapeStatement {
Type = Break, Label = node.Label
});
return(Js.Return(Js.Object(
Js.Item(EscapeTypeField, Js.Primitive(Break)),
Js.Item(EscapeLabelField, node.Label != null ? Js.Primitive(node.Label) : Js.Null()),
Js.Item(EscapeDepthField, node.Label != null ? Js.Primitive(transformer.GetLabelDepth(node.Label)) : Js.Primitive(0))
).Compact()));
}
public override void VisitYieldStatement(YieldStatementSyntax node)
{
var nextState = GetNextState();
if (node.ReturnOrBreakKeyword.IsKind(SyntaxKind.BreakKeyword))
{
CurrentState.Add(ChangeState(nextState));
CurrentState.Add(Js.Primitive(false).Return());
}
else
{
CurrentState.Add(ChangeState(nextState));
CurrentState.Add(Js.Reference(stateMachine).Member("set_Current").Invoke((JsExpression)node.Expression.Accept(Transformer)).Express());
CurrentState.Add(Js.Primitive(true).Return());
}
CurrentState = nextState;
}
public JsStatement GenerateSwitch(State state)
{
var sections = new List <JsSwitchSection>();
if (state.Parent != null)
{
var stateSection = Js.Section(Js.Primitive(state.Index));
stateSection.Statements.AddRange(GotoStateStatements(state.Substates.First()));
sections.Add(stateSection);
}
sections.AddRange(state.Substates.Select(substate =>
{
var section = Js.Section(substate.GetAllIndices().Select(index => Js.Primitive(index)).ToArray());
section.Statements.AddRange(substate.Statements);
return(section);
}));
return(state.Wrap(Js.Switch(Js.Reference(BaseStateGenerator.state), sections.ToArray())));
}
public override void VisitYieldStatement(YieldStatementSyntax node)
{
var nextState = GetNextState();
if (node.ReturnOrBreakKeyword.IsKind(SyntaxKind.BreakKeyword))
{
CurrentState.Add(ChangeState(nextState));
CurrentState.Add(Js.Primitive(false).Return());
}
else
{
CurrentState.Add(ChangeState(nextState));
// if (Transformer.Model.Compilation.Assembly.AreAutoPropertiesMinimized())
// CurrentState.Add(Js.Reference(stateMachine).Member("Current").Assign((JsExpression)node.Expression.Accept(Transformer)).Express());
// else
CurrentState.Add(Js.Reference(stateMachine).Member("set_Current").Invoke((JsExpression)node.Expression.Accept(Transformer)).Express());
CurrentState.Add(Js.Primitive(true).Return());
}
CurrentState = nextState;
}
public async Task Compile()
{
projectName = project.AssemblyName;
Compilation compilation = await Profiler.Time("Getting initial project compilation", async() => await project.GetCompilationAsync());
Context.Update(project.Solution, project, compilation, new ReflectionCache(project, compilation));
// If this is the runtime prjoect, declare the array to hold all the GetAssembly functions (this .js file
// will be loaded first, and we only want to bother creating the array once.)
if (projectName == "mscorlib")
{
var global = new JsBlockStatement();
jsCompilationUnit.Global = global;
var assemblies = Js.Variable(SpecialNames.Assemblies, Js.Array());
global.Local(assemblies);
// This ensures that Function.$typeName returns `Function` -- this is important when using
// a type function as a generic argument, since otherwise when we try to get a
// unique key for the permuatation of type args including a type function, we would get
// an empty string for that arg, which would break the cache.
jsCompilationUnit.Body.Assign(Js.Reference("Function").Member(SpecialNames.TypeName), Js.Primitive("Function"));
}
// Declare assembly variable
var assemblyVariable = Js.Variable("$" + projectName.MaskSpecialCharacters() + "$Assembly", Js.Null());
jsCompilationUnit.Body.Local(assemblyVariable);
// Declare array to store all anonymous types
var anonymousTypes = Js.Variable(compilation.Assembly.GetAssemblyAnonymousTypesArray(), Js.Array());
jsCompilationUnit.Body.Local(anonymousTypes);
// Declare array to store all the type functions in the assembly
var assemblyTypes = Js.Variable(compilation.Assembly.GetAssemblyTypesArray(), Js.Array());
jsCompilationUnit.Body.Local(assemblyTypes);
// Build $GetAssemblyMethod, which lazily creates a new Assembly instance
var globalIdioms = new Idioms(null);
var getAssembly = Js.Function();
getAssembly.Body.If(
assemblyVariable.GetReference().EqualTo(Js.Null()),
assemblyVariable.GetReference().Assign(globalIdioms.CreateAssembly(compilation.Assembly, assemblyTypes.GetReference()))
);
getAssembly.Body.Return(assemblyVariable.GetReference());
jsCompilationUnit.Body.Assign(
Js.Reference(compilation.Assembly.GetAssemblyMethodName()),
getAssembly);
// Declare $assembly variable
jsCompilationUnit.Body.Local(SpecialNames.Assembly, Js.Reference(compilation.Assembly.GetAssemblyMethodName()));
jsCompilationUnit.Body.Assign(Js.Reference(SpecialNames.Assembly).Member(SpecialNames.AssemblyTypesArray), assemblyTypes.GetReference());
// Add $GetAssemblyMethod to global assemblies array
jsCompilationUnit.Body.Express(Js.Reference(SpecialNames.Assemblies).Member("push").Invoke(Js.Reference(SpecialNames.Assembly)));
// Builds out all the namespace objects. Types live inside namepsaces, which are represented as
// nested Javascript objects. For example, System.Text.StringBuilder is represented (in part) as:
//
// System = {};
// System.Text = {};
// System.Text.StringBuilder = function() { ... }
//
// This allows access to classes using dot notation in the expected way.
Profiler.Time("Transforming namespaces", () =>
{
var namespaceTransformer = new NamespaceTransformer(jsCompilationUnit.Body);
foreach (var syntaxTree in compilation.SyntaxTrees)
{
var compilationUnit = (CompilationUnitSyntax)syntaxTree.GetRoot();
compilationUnit.Accept(namespaceTransformer);
}
});
var actions = new List <Tuple <INamedTypeSymbol, Action> >();
Profiler.Time("Get diagnostics", () =>
{
var diagnostics = compilation.GetDiagnostics();
foreach (var diagnostic in diagnostics)
{
if (diagnostic.Severity == DiagnosticSeverity.Error)
{
Console.WriteLine("// " + diagnostic);
}
}
});
// Check for partial classes
Profiler.Time("Reassemble partial classes", () =>
{
var partialClassReassembler = new PartialClassReassembler(project, compilation);
compilation = partialClassReassembler.UnifyPartialTypes();
});
/*
* // Write out all type functions in inheritance order. This allows for complex references between types and
* // nested types.
* Profiler.Time("Write out type function declarations", () =>
* {
* var allTypeDeclarations = new List<INamedTypeSymbol>();
* foreach (var syntaxTree in compilation.SyntaxTrees)
* {
* var semanticModel = compilation.GetSemanticModel(syntaxTree);
* var compilationUnit = (CompilationUnitSyntax)syntaxTree.GetRoot();
* var typeDeclarations = GetTypeDeclarations(compilationUnit);
* var types = typeDeclarations.Select(x => semanticModel.GetDeclaredSymbol(x)).ToArray();
* allTypeDeclarations.AddRange(types);
* }
* SweepSort(allTypeDeclarations, x => x);
*
* jsCompilationUnit.Body.Express(Js.Reference(Context.Instance.SymbolNames[classType.ContainingNamespace, classType.ContainingNamespace.GetFullName()]).Member(classType.GetShortTypeName()),
* Js.Reference(SpecialNames.Define).Invoke(Js.Primitive(displayName), baseType));
* jsCompilationUnit.Assign(Js.Reference(Context.Instance.SymbolNames[classType.ContainingNamespace, classType.ContainingNamespace.GetFullName()]).Member(classType.GetShortTypeName()),
* Js.Reference(SpecialNames.Define).Invoke(Js.Primitive(displayName), baseType));
* });
*/
// Scan all syntax trees for anonymous type creation expressions. We transform them into class
// declarations with a series of auto implemented properties.
Profiler.Time("Running AnonymousTypeTransformer", () =>
{
var anonymousTypeTransformer = new AnonymousTypeTransformer(jsCompilationUnit.Body, actions);
foreach (var syntaxTree in compilation.SyntaxTrees)
{
var compilationUnit = (CompilationUnitSyntax)syntaxTree.GetRoot();
compilationUnit.Accept(anonymousTypeTransformer);
}
});
// Iterate through all the syntax trees and add entries into `actions` that correspond to type
// declarations.
Profiler.Time("Preparing for core transformation process", () =>
{
foreach (var syntaxTree in compilation.SyntaxTrees)
{
var semanticModel = compilation.GetSemanticModel(syntaxTree);
var compilationUnit = (CompilationUnitSyntax)syntaxTree.GetRoot();
var transformer = new JsTransformer(syntaxTree, semanticModel, jsCompilationUnit);
var typeCollector = new TypeCollector();
compilationUnit.Accept(typeCollector);
var typeDeclarations = typeCollector.TypeDeclarations.Where(x => x.GetContainingTypeDeclaration() == null);
var delegateDeclarations = typeCollector.DelegateDeclarations.Where(x => x.GetContainingTypeDeclaration() == null);
foreach (var type in typeDeclarations)
{
var _type = type;
var typeSymbol = semanticModel.GetDeclaredSymbol(type);
Action action = () =>
{
var statements = (JsBlockStatement)_type.Accept(transformer);
jsCompilationUnit.Body.Aggregate(statements);
};
actions.Add(Tuple.Create(typeSymbol, action));
}
foreach (var type in delegateDeclarations)
{
var _type = type;
Action action = () =>
{
var statements = (JsBlockStatement)_type.Accept(transformer);
jsCompilationUnit.Body.Aggregate(statements);
};
actions.Add(Tuple.Create((INamedTypeSymbol)ModelExtensions.GetDeclaredSymbol(semanticModel, type), action));
}
}
});
// Sort all the type declarations such that base types always come before subtypes.
Profiler.Time("Sorting transformers", () => SweepSort(actions, x => x.Item1));
var transformationActions = actions.Select(x => x.Item2).ToArray();
Profiler.Time("Applying core transformation", () =>
{
foreach (var item in transformationActions)
{
item();
}
});
// Create cultures based on installed .NET cultures. Presumably this is the same regardless
// of the platform that compiled this assembly. Only do this for the standard library.
if (projectName == "mscorlib" && !Context.Instance.Compilation.Assembly.IsCultureInfoExportDisabled())
{
foreach (var culture in CultureInfo.GetCultures(CultureTypes.AllCultures))
{
JsExpression target = new JsVariableReferenceExpression(Context.Instance.CultureInfo.GetTypeName()).Invoke().Member("RegisterCulture");
jsCompilationUnit.Body.Add(target.Invoke(new[]
{
Js.Literal(culture.Name),
Js.Literal(culture.DateTimeFormat.ShortDatePattern),
Js.Literal(culture.DateTimeFormat.LongDatePattern),
Js.Literal(culture.DateTimeFormat.ShortTimePattern),
Js.Literal(culture.DateTimeFormat.LongTimePattern),
Js.Literal(culture.DateTimeFormat.FullDateTimePattern),
Js.Literal(culture.DateTimeFormat.YearMonthPattern),
Js.Array(culture.DateTimeFormat.MonthNames.Select(x => Js.Literal(x)).ToArray()),
Js.Array(culture.DateTimeFormat.AbbreviatedMonthNames.Select(x => Js.Literal(x)).ToArray()),
Js.Array(culture.DateTimeFormat.DayNames.Select(x => Js.Literal(x)).ToArray())
}).Express());
}
}
// If the project type is a console application, then invoke the Main method at the very
// end of the file.
var entryPoint = Context.Instance.Compilation.GetEntryPoint(CancellationToken.None);
if (entryPoint != null)
{
jsCompilationUnit.Body.Express(globalIdioms.InvokeStatic(entryPoint));
}
// Test minification
// var minifier = new JsMinifier();
// jsCompilationUnit.Accept(minifier);
}
private JsStatement TransformBody(JsStatement body)
{
var block = body is JsBlockStatement ? (JsBlockStatement)body : Js.Block(body);
if (!escapeStatements.Any())
{
return(Js.Express(idioms.Wrap(block)));
}
else
{
if (!(block.Statements.Last() is JsReturnStatement))
{
block.Return(Js.Object(Js.Item(EscapeTypeField, Js.Primitive(0))).Compact());
}
var wrapped = idioms.Wrap(block);
var outerBlock = new JsBlockStatement();
var loopResult = outerBlock.Local("$loopResult", wrapped);
if (escapeStatements.Any(x => x.Type == Return))
{
outerBlock.If(loopResult.GetReference().Member(EscapeTypeField).EqualTo(Js.Primitive(Return)),
Js.Return(loopResult.GetReference().Member(EscapeValueField)));
}
if (escapeStatements.Any(x => x.Type == Continue))
{
var escapes = escapeStatements.Where(x => x.Type == Continue).Distinct();
JsStatement ifTrue;
if (!escapes.Any(x => x.Label != null))
{
ifTrue = Js.Continue();
}
else
{
ifTrue = Js.Switch(
loopResult.GetReference().Member(EscapeLabelField),
escapes
.Where(x => x.Label == null)
.Select(x => Js.Section(Js.Null()).Statement(Js.Continue()))
.Concat(escapes
.Where(x => x.Label != null && transformer.GetLabelDepth(x.Label) == loopDepth)
.Select(x => Js.Section(Js.Primitive(x.Label)).Statement(Js.Continue(x.Label))))
.Concat(new[] { Js.Section(Js.DefaultLabel()).Statements(Js.Return(loopResult.GetReference())) })
.ToArray());
}
outerBlock.If(loopResult.GetReference().Member(EscapeTypeField).EqualTo(Js.Primitive(Continue)),
ifTrue);
}
if (escapeStatements.Any(x => x.Type == Break))
{
var escapes = escapeStatements.Where(x => x.Type == Break).Distinct();
JsStatement ifTrue;
if (!escapes.Any(x => x.Label != null))
{
ifTrue = Js.Break();
}
else
{
ifTrue = Js.Switch(loopResult.GetReference().Member(EscapeLabelField),
escapes.Select(x => Js.Section(Js.Primitive(x.Label)).Statement(Js.Break(x.Label))).ToArray());
}
outerBlock.If(loopResult.GetReference().Member(EscapeTypeField).EqualTo(Js.Primitive(Break)),
ifTrue);
}
return(outerBlock);
}
}
private JsExpression VisitLambdaExpression(ExpressionSyntax node, ParameterSyntax[] parameters, CSharpSyntaxNode body)
{
var expressionType = (INamedTypeSymbol)model.GetTypeInfo(node).ConvertedType;
INamedTypeSymbol delegateType;
if (Equals(expressionType.OriginalDefinition, Context.Instance.ExpressionGeneric))
{
delegateType = (INamedTypeSymbol)expressionType.TypeArguments[0];
}
else
{
delegateType = expressionType;
}
var lambdaParameters = parameters.ToArray();
var delegateMethod = (IMethodSymbol)delegateType.GetMembers("Invoke")[0];
// Compiler.CsCompilation.FindType()
var lambdaMethods = Context.Instance.Expression.GetMembers("Lambda").OfType <IMethodSymbol>().ToArray();
var lambdaMethods2 = lambdaMethods.Where(x => x.TypeParameters.Count() == 1 && x.Parameters.Count() == 2 && Equals(x.Parameters[0].Type, Context.Instance.Expression) && Equals(x.Parameters[1].Type, Context.Instance.ParameterExpressionArray)).ToArray();
var lambdaMethod = lambdaMethods2.Single();
var parameterMethod = Context.Instance.Expression.GetMembers("Parameter").OfType <IMethodSymbol>().Single(x => x.Parameters.Count() == 2 && Equals(x.Parameters[0].Type, Context.Instance.TypeType) && Equals(x.Parameters[1].Type, Context.Instance.String));
lambdaMethod = lambdaMethod.Construct(delegateType);
var jsLambda = idioms.InvokeStatic(lambdaMethod);
// Convert parameters
var workspace = new JsBlockStatement();
var jsParameters = Js.Array();
for (var i = 0; i < delegateMethod.Parameters.Count(); i++)
{
var delegateParameter = delegateMethod.Parameters[i];
var lambdaParameter = lambdaParameters[i];
var jsParameter = idioms.InvokeStatic(parameterMethod, idioms.TypeOf(delegateParameter.Type), Js.Primitive(lambdaParameter.Identifier.ToString()));
var parameterVariableName = "$lambdaparam$" + lambdaParameter.Identifier;
parameterVariables[lambdaParameter.Identifier.ToString()] = parameterVariableName;
// Declare a variable to hold the parameter object in the parenthetical's scope
workspace.Local(parameterVariableName, jsParameter);
// Add a reference to this variable (a ParameterExpression) as one of the
// parameters to the lambda.
jsParameters.Elements.Add(Js.Reference(parameterVariableName));
}
var jsBody = body.Accept(this);
jsLambda.AddArgument(jsBody);
jsLambda.AddArgument(jsParameters);
workspace.Return(jsLambda);
return(idioms.Wrap(workspace));
}
public async Task <Tuple <string, Project> > Compile(string projectFile)
{
var projectFileInfo = new FileInfo(projectFile);
var projectFolder = projectFileInfo.Directory.FullName;
// These two lines are just a weird hack because you get no files back from compilation.SyntaxTrees
// if the user file isn't modified. Not sure why that's happening.
var projectUserFile = projectFolder + "\\" + projectFileInfo.Name + ".user";
if (File.Exists(projectUserFile))
{
File.SetLastWriteTime(projectUserFile, DateTime.Now);
}
var project = await MSBuildWorkspace.Create().OpenProjectAsync(projectFile);
var projectName = project.AssemblyName;
Compilation compilation = await project.GetCompilationAsync();
Context.Update(project.Solution, project, compilation);
// Check for yield
foreach (var syntaxTree in compilation.SyntaxTrees)
{
var compilationUnit = (CompilationUnitSyntax)syntaxTree.GetRoot();
var semanticModel = compilation.GetSemanticModel(syntaxTree);
var yieldGenerator = new YieldGenerator(compilation, syntaxTree, semanticModel);
compilationUnit = (CompilationUnitSyntax)compilationUnit.Accept(yieldGenerator);
compilation = compilation.ReplaceSyntaxTree(syntaxTree, SyntaxFactory.SyntaxTree(compilationUnit, syntaxTree.FilePath));
}
compilation = compilation.Clone();
Context.Update(project.Solution, project, compilation);
// After the basic transformation happens, we need to fix up some references afterward
foreach (var syntaxTree in compilation.SyntaxTrees)
{
var compilationUnit = (CompilationUnitSyntax)syntaxTree.GetRoot();
var semanticModel = compilation.GetSemanticModel(syntaxTree);
var yieldFixer = new YieldGeneratorFixer(compilation, syntaxTree, semanticModel);
compilationUnit = (CompilationUnitSyntax)compilationUnit.Accept(yieldFixer);
compilation = compilation.ReplaceSyntaxTree(syntaxTree, SyntaxFactory.SyntaxTree(compilationUnit, syntaxTree.FilePath));
}
Context.Update(project.Solution, project, compilation);
// Check for async
foreach (var syntaxTree in compilation.SyntaxTrees)
{
var compilationUnit = (CompilationUnitSyntax)syntaxTree.GetRoot();
var semanticModel = compilation.GetSemanticModel(syntaxTree);
var asyncGenerator = new AsyncGenerator(compilation, syntaxTree, semanticModel);
compilationUnit = (CompilationUnitSyntax)compilationUnit.Accept(asyncGenerator);
compilation = compilation.ReplaceSyntaxTree(syntaxTree, SyntaxFactory.SyntaxTree(compilationUnit, syntaxTree.FilePath));
}
Context.Update(project.Solution, project, compilation);
var jsCompilationUnit = new JsCompilationUnit {
UseStrict = true
};
// If this is the runtime prjoect, declare the array to hold all the GetAssembly functions (this .js file
// will be loaded first, and we only want to bother creating the array once.
if (projectName == "mscorlib")
{
var assemblies = Js.Variable(SpecialNames.Assemblies, Js.Array());
jsCompilationUnit.Body.Local(assemblies);
// This ensures that Function.$typeName returns `Function` -- this is important when using
// a type function as a generic argument, since otherwise when we try to assembly a
// unique key for the permuatation of type args including a type function, we would get
// an empty string for that arg, which would break the cache.
jsCompilationUnit.Body.Assign(Js.Reference("Function").Member(SpecialNames.TypeName), Js.Primitive("Function"));
}
// Declare assembly variable
var assemblyVariable = Js.Variable("$" + projectName.MaskSpecialCharacters() + "$Assembly", Js.Null());
jsCompilationUnit.Body.Local(assemblyVariable);
// Declare array to store all anonymous types
var anonymousTypes = Js.Variable(compilation.Assembly.GetAssemblyAnonymousTypesArray(), Js.Array());
jsCompilationUnit.Body.Local(anonymousTypes);
// Declare array to store all the type functions in the assembly
var assemblyTypes = Js.Variable(compilation.Assembly.GetAssemblyTypesArray(), Js.Array());
jsCompilationUnit.Body.Local(assemblyTypes);
// Build $GetAssemblyMethod, which lazily creates a new Assembly instance
var globalIdioms = new Idioms(null);
var getAssembly = Js.Function();
getAssembly.Body.If(
assemblyVariable.GetReference().EqualTo(Js.Null()),
assemblyVariable.GetReference().Assign(globalIdioms.CreateAssembly(compilation.Assembly, assemblyTypes.GetReference()))
);
getAssembly.Body.Return(assemblyVariable.GetReference());
jsCompilationUnit.Body.Assign(
Js.Reference(compilation.Assembly.GetAssemblyMethodName()),
getAssembly);
// Add $GetAssemblyMethod to global assemblies array
jsCompilationUnit.Body.Express(Js.Reference("$assemblies").Member("push").Invoke(Js.Reference(compilation.Assembly.GetAssemblyMethodName())));
// Builds out all the namespace objects. Types live inside namepsaces, which are represented as
// nested Javascript objects. For example, System.Text.StringBuilder is represented (in part) as:
//
// System = {};
// System.Text = {};
// System.Text.StringBuilder = function() { ... }
//
// This allows access to classes using dot notation in the expected way.
var namespaceTransformer = new NamespaceTransformer(jsCompilationUnit.Body);
foreach (var syntaxTree in compilation.SyntaxTrees)
{
var compilationUnit = (CompilationUnitSyntax)syntaxTree.GetRoot();
compilationUnit.Accept(namespaceTransformer);
}
var actions = new List <Tuple <INamedTypeSymbol, Action> >();
// Scan all syntax trees for anonymous type creation expressions. We transform them into class
// declarations with a series of auto implemented properties.
var anonymousTypeTransformer = new AnonymousTypeTransformer(jsCompilationUnit.Body, actions);
foreach (var syntaxTree in compilation.SyntaxTrees)
{
var compilationUnit = (CompilationUnitSyntax)syntaxTree.GetRoot();
compilationUnit.Accept(anonymousTypeTransformer);
}
var diagnostics = compilation.GetDiagnostics();
foreach (var diagnostic in diagnostics)
{
Console.WriteLine("// " + diagnostic);
}
// Iterate through all the syntax trees and add entries into `actions` that correspond to type
// declarations.
foreach (var syntaxTree in compilation.SyntaxTrees)
{
var semanticModel = compilation.GetSemanticModel(syntaxTree);
var compilationUnit = (CompilationUnitSyntax)syntaxTree.GetRoot();
var transformer = new JsTransformer(syntaxTree, semanticModel);
var typeDeclarations = GetTypeDeclarations(compilationUnit);
foreach (var type in typeDeclarations)
{
Action action = () =>
{
var statements = (JsBlockStatement)type.Accept(transformer);
jsCompilationUnit.Body.Aggregate(statements);
};
actions.Add(Tuple.Create((INamedTypeSymbol)ModelExtensions.GetDeclaredSymbol(semanticModel, type), action));
}
var delegateDeclarations = GetDelegates(compilationUnit);
foreach (var type in delegateDeclarations)
{
Action action = () =>
{
var statements = (JsBlockStatement)type.Accept(transformer);
jsCompilationUnit.Body.Aggregate(statements);
};
actions.Add(Tuple.Create((INamedTypeSymbol)ModelExtensions.GetDeclaredSymbol(semanticModel, type), action));
}
}
// Sort all the type declarations such that base types always come before subtypes.
SweepSort(actions);
foreach (var item in actions)
{
item.Item2();
}
// If the project type is a console application, then invoke the Main method at the very
// end of the file.
var entryPoint = compilation.GetEntryPoint(CancellationToken.None);
if (entryPoint != null)
{
jsCompilationUnit.Body.Express(globalIdioms.InvokeStatic(entryPoint));
}
// Test minification
// var minifier = new JsMinifier();
// jsCompilationUnit.Accept(minifier);
// Write out the compiled Javascript file to the target location.
var renderer = new JsRenderer();
jsCompilationUnit.Accept(renderer);
return(Tuple.Create(renderer.Output, project));
}
public JsStatement ChangeState(State newState)
{
return(Js.Reference(state).Assign(Js.Primitive(newState.Index)).Express());
}