IType ITypeReference.Resolve(ITypeResolveContext context)
{
// Strictly speaking, we might have to resolve the type in a nested compilation, similar
// to what we're doing with ConstantExpression.
// However, in almost all cases this will work correctly - if the resulting type is only available in the
// nested compilation and not in this, we wouldn't be able to map it anyways.
var ctx = context as CSharpTypeResolveContext;
if (ctx == null) {
ctx = new CSharpTypeResolveContext(context.CurrentAssembly ?? context.Compilation.MainAssembly, null, context.CurrentTypeDefinition, context.CurrentMember);
}
return ResolveType(new CSharpResolver(ctx));
// A potential issue might be this scenario:
// Assembly 1:
// class A { public class Nested {} }
// Assembly 2: (references asm 1)
// class B : A {}
// Assembly 3: (references asm 1 and 2)
// class C { public B.Nested Field; }
// Assembly 4: (references asm 1 and 3, but not 2):
// uses C.Field;
// Here we would not be able to resolve 'B.Nested' in the compilation of assembly 4, as type B is missing there.
}
public CSharpResolver(CSharpTypeResolveContext context)
{
if (context == null)
throw new ArgumentNullException("context");
this.compilation = context.Compilation;
this.conversions = CSharpConversions.Get(compilation);
this.context = context;
if (context.CurrentTypeDefinition != null)
currentTypeDefinitionCache = new TypeDefinitionCache(context.CurrentTypeDefinition);
}
private CSharpResolver(ICompilation compilation, CSharpConversions conversions, CSharpTypeResolveContext context, bool checkForOverflow, bool isWithinLambdaExpression, TypeDefinitionCache currentTypeDefinitionCache, ImmutableStack<IVariable> localVariableStack, ObjectInitializerContext objectInitializerStack)
{
this.compilation = compilation;
this.conversions = conversions;
this.context = context;
this.checkForOverflow = checkForOverflow;
this.isWithinLambdaExpression = isWithinLambdaExpression;
this.currentTypeDefinitionCache = currentTypeDefinitionCache;
this.localVariableStack = localVariableStack;
this.objectInitializerStack = objectInitializerStack;
}
public CSharpParameterCompletionEngine(IDocument document, ICompletionContextProvider completionContextProvider, IParameterCompletionDataFactory factory, IProjectContent content, CSharpTypeResolveContext ctx) : base (content, completionContextProvider, ctx)
{
if (document == null) {
throw new ArgumentNullException("document");
}
if (factory == null) {
throw new ArgumentNullException("factory");
}
this.document = document;
this.factory = factory;
}
protected CSharpCompletionEngineBase(IProjectContent content, ICompletionContextProvider completionContextProvider, CSharpTypeResolveContext ctx)
{
if (content == null)
throw new ArgumentNullException("content");
if (ctx == null)
throw new ArgumentNullException("ctx");
if (completionContextProvider == null)
throw new ArgumentNullException("completionContextProvider");
this.ProjectContent = content;
this.CompletionContextProvider = completionContextProvider;
this.ctx = ctx;
}
public CSharpResolver(ICompilation compilation)
{
if (compilation == null)
throw new ArgumentNullException("compilation");
this.compilation = compilation;
this.conversions = CSharpConversions.Get(compilation);
this.context = new CSharpTypeResolveContext(compilation.MainAssembly);
var pc = compilation.MainAssembly.UnresolvedAssembly as CSharpProjectContent;
if (pc != null) {
this.checkForOverflow = pc.CompilerSettings.CheckForOverflow;
}
}
public CSharpCompletionEngine(IDocument document, ICompletionContextProvider completionContextProvider, ICompletionDataFactory factory, IProjectContent content, CSharpTypeResolveContext ctx) : base (content, completionContextProvider, ctx)
{
if (document == null) {
throw new ArgumentNullException("document");
}
if (factory == null) {
throw new ArgumentNullException("factory");
}
this.document = document;
this.factory = factory;
// Set defaults for additional input properties
this.FormattingPolicy = FormattingOptionsFactory.CreateMono();
this.EolMarker = Environment.NewLine;
this.IndentString = "\t";
}
public ResolvedUsingScope(CSharpTypeResolveContext context, UsingScope usingScope)
{
if (context == null)
throw new ArgumentNullException("context");
if (usingScope == null)
throw new ArgumentNullException("usingScope");
this.parentContext = context;
this.usingScope = usingScope;
if (usingScope.Parent != null) {
if (context.CurrentUsingScope == null)
throw new InvalidOperationException();
} else {
if (context.CurrentUsingScope != null)
throw new InvalidOperationException();
}
}
IList<IAttribute> GetAttributes(ref IList<IAttribute> field, bool assemblyAttributes)
{
IList<IAttribute> result = LazyInit.VolatileRead(ref field);
if (result != null) {
return result;
} else {
result = new List<IAttribute>();
foreach (var unresolvedFile in projectContent.Files.OfType<CSharpUnresolvedFile>()) {
var attributes = assemblyAttributes ? unresolvedFile.AssemblyAttributes : unresolvedFile.ModuleAttributes;
var context = new CSharpTypeResolveContext(this, unresolvedFile.RootUsingScope.Resolve(compilation));
foreach (var unresolvedAttr in attributes) {
result.Add(unresolvedAttr.CreateResolvedAttribute(context));
}
}
return LazyInit.GetOrSet(ref field, result);
}
}
public override CodeGeneratorMemberResult CreateMemberImplementation (ITypeDefinition implementingType,
IUnresolvedTypeDefinition part,
IUnresolvedMember member,
bool explicitDeclaration)
{
SetIndentTo (part);
var options = new CodeGenerationOptions () {
ExplicitDeclaration = explicitDeclaration,
ImplementingType = implementingType,
Part = part
};
ITypeResolveContext ctx;
var doc = IdeApp.Workbench.GetDocument (part.Region.FileName);
if (doc != null) {
ctx = doc.ParsedDocument.GetTypeResolveContext (doc.Compilation, implementingType.Region.Begin);
} else {
ctx = new CSharpTypeResolveContext (implementingType.Compilation.MainAssembly, null, implementingType, null);
}
options.Document = doc;
if (member is IUnresolvedMethod)
return GenerateCode ((IMethod) ((IUnresolvedMethod)member).CreateResolved (ctx), options);
if (member is IUnresolvedProperty)
return GenerateCode ((IProperty) ((IUnresolvedProperty)member).CreateResolved (ctx), options);
if (member is IUnresolvedField)
return GenerateCode ((IField) ((IUnresolvedField)member).CreateResolved (ctx), options);
if (member is IUnresolvedEvent)
return GenerateCode ((IEvent) ((IUnresolvedEvent)member).CreateResolved (ctx), options);
throw new NotSupportedException ("member " + member + " is not supported.");
}
/// <summary>
/// Resolves the namespace represented by this using scope.
/// </summary>
public ResolvedUsingScope Resolve(ICompilation compilation)
{
CacheManager cache = compilation.CacheManager;
ResolvedUsingScope resolved = cache.GetShared(this) as ResolvedUsingScope;
if (resolved == null) {
var csContext = new CSharpTypeResolveContext(compilation.MainAssembly, parent != null ? parent.Resolve(compilation) : null);
resolved = (ResolvedUsingScope)cache.GetOrAddShared(this, new ResolvedUsingScope(csContext, this));
}
return resolved;
}
internal static ReachabilityAnalysis Create(Statement statement, Func<AstNode, CancellationToken, ResolveResult> resolver, CSharpTypeResolveContext typeResolveContext, CancellationToken cancellationToken)
{
var cfgBuilder = new ControlFlowGraphBuilder();
var cfg = cfgBuilder.BuildControlFlowGraph(statement, resolver, typeResolveContext, cancellationToken);
return Create(cfg, cancellationToken);
}
CSharpResolver WithContext(CSharpTypeResolveContext newContext)
{
return new CSharpResolver(compilation, conversions, newContext, checkForOverflow, isWithinLambdaExpression, currentTypeDefinitionCache, localVariableStack, objectInitializerStack);
}