private void applyLexical(RoslynDocument document)
{
var handler = _lexical as IDocumentInjector <SyntaxToken, SyntaxNode, SemanticModel>;
Debug.Assert(handler != null);
handler.apply(document);
}
protected override IDocument <SyntaxToken, SyntaxNode, SemanticModel> createDocument()
{
var result = new RoslynDocument(_scope);
_scope.set <IDocument <SyntaxToken, SyntaxNode, SemanticModel> >(result);
applyLexical(result);
return(result);
}
public ExpressionSyntax CompileExpression(string expr)
{
var document = new RoslynDocument(_scope, expr);
var handler = _lexical as IDocumentInjector <SyntaxToken, SyntaxNode, SemanticModel>;
_scope.set <IDocument <SyntaxToken, SyntaxNode, SemanticModel> >(document);
handler.apply(document);
document.applyChanges(CompilerStage.Lexical);
return(CSharp.ParseExpression(document.LexicalText));
}
public SyntaxNode ApplyLexicalPass(string text, out string newText)
{
var document = new RoslynDocument(_scope, text);
var handler = _lexical as IDocumentInjector <SyntaxToken, SyntaxNode, SemanticModel>;
_scope.set <IDocument <SyntaxToken, SyntaxNode, SemanticModel> >(document);
handler.apply(document);
document.applyChanges(CompilerStage.Lexical);
newText = document.LexicalText;
return(document.SyntaxRoot);
}
public SyntaxTree ApplySyntacticalPass(string text, out string result)
{
var document = new RoslynDocument(_scope, text); //we actually dont touch our own state during these calls
var lHandler = _lexical as IDocumentInjector <SyntaxToken, SyntaxNode, SemanticModel>;
var sHandler = _syntax as IDocumentInjector <SyntaxToken, SyntaxNode, SemanticModel>;
lHandler.apply(document);
sHandler.apply(document);
document.applyChanges(CompilerStage.Syntactical);
result = document.SyntaxRoot.NormalizeWhitespace().ToFullString();
return(document.SyntaxRoot.SyntaxTree);
}
public SyntaxTree ApplySemanticalPass(RoslynDocument document, out string result)
{
var lHandler = _lexical as IDocumentInjector <SyntaxToken, SyntaxNode, SemanticModel>;
var sHandler = _syntax as IDocumentInjector <SyntaxToken, SyntaxNode, SemanticModel>;
var ssHandler = _semantics as IDocumentInjector <SyntaxToken, SyntaxNode, SemanticModel>;
lHandler.apply(document);
sHandler.apply(document);
ssHandler.apply(document);
document.applyChanges(CompilerStage.Syntactical);
var tree = document.SyntaxRoot.SyntaxTree;
var compilation = CSharpCompilation.Create("semantical-pass",
syntaxTrees: new[] { tree },
references: new[]
{
MetadataReference.CreateFromFile(typeof(object).Assembly.Location),
MetadataReference.CreateFromFile(typeof(Enumerable).Assembly.Location),
MetadataReference.CreateFromFile(typeof(Dictionary <int, int>).Assembly.Location),
},
options: new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary));
while (true)
{
document.Model = compilation.GetSemanticModel(tree);
if (document.applyChanges(CompilerStage.Semantical))
{
break;
}
var oldTree = tree;
tree = document.SyntaxRoot.SyntaxTree;
compilation = compilation.ReplaceSyntaxTree(oldTree, tree);
}
result = document.SyntaxRoot.NormalizeWhitespace().ToFullString();
return(document.SyntaxRoot.SyntaxTree);
}
private ExcessDocument loadDocument(Project project, string fileName, out RoslynCompiler compiler)
{
if (_extensions == null || !_extensions.Any())
{
throw new InvalidOperationException("no extensions registered, plain c#?");
}
var source = File.ReadAllText(fileName);
var document = new RoslynDocument(new Scope(_scope), source, fileName);
var enviroment = new RoslynEnvironment(_scope, new SolutionStorage(project));
var compilerResult = new RoslynCompiler(enviroment, _scope);
var tree = CSharpSyntaxTree.ParseText(source);
var usings = (tree.GetRoot() as CompilationUnitSyntax)
?.Usings
.Where(@using =>
{
var usingId = @using.Name.ToString();
if (!usingId.StartsWith("xs."))
{
return(false);
}
usingId = usingId.Substring("xs.".Length);
var action = null as ExtensionFunc;
if (_extensions.TryGetValue(usingId, out action))
{
action(compilerResult, null); //td: props?
return(true);
}
return(false);
})
.ToArray();
compiler = compilerResult;
return(document);
}
public SyntaxTree ApplySemanticalPass(string text, out string result)
{
var document = new RoslynDocument(_scope, text);
return(ApplySemanticalPass(document, out result));
}
