private IList <PrefixExpressionContext> FindOriginalContexts([NotNull] PostfixTemplateContext context)
{
var results = new LocalList <PrefixExpressionContext>();
var images = new List <ExpressionContextImage>(myImages);
for (var index = 0; index < images.Count; index++) // order is important
{
foreach (var expressionContext in context.ExpressionsOrTypes)
{
if (images[index].MatchesByRangeAndType(expressionContext))
{
images[index] = null;
results.Add(expressionContext);
break;
}
}
}
if (results.Count == 0)
{
var expressions = context.Expressions;
foreach (var image in myImages)
{
if (image != null && image.ContextIndex < expressions.Count)
{
results.Add(expressions[image.ContextIndex]);
}
}
}
return(results.ResultingList());
}
public IPostfixLookupItem CreateItem(PostfixTemplateContext context)
{
if (context.IsAutoCompletion)
{
return(null);
}
var outerExpression = context.OuterExpression;
if (outerExpression == null || !outerExpression.CanBeStatement)
{
return(null);
}
for (ITreeNode node = outerExpression.Expression;;)
{
var assignmentExpression = node.GetContainingNode <IAssignmentExpression>();
if (assignmentExpression == null)
{
break;
}
// disable 'here.to = "abc";'
if (assignmentExpression.Dest.Contains(node))
{
return(null);
}
node = assignmentExpression;
}
return(new AssignmentItem(outerExpression));
}
public IPostfixLookupItem CreateItem(PostfixTemplateContext context)
{
if (context.IsAutoCompletion)
{
foreach (var expressionContext in context.Expressions)
{
var castExpression = CastExpressionNavigator.GetByOp(expressionContext.Expression);
if (castExpression == null)
{
continue; // available in auto over cast expressions
}
var expression = ParenthesizedExpressionNavigator.GetByExpression(castExpression);
if (expression != null)
{
continue; // not already parenthesized
}
return(new ParenthesesItem(expressionContext));
}
return(null);
}
var contexts = CommonUtils.FindExpressionWithValuesContexts(context);
if (contexts.Length == 0)
{
return(null);
}
return(new ParenthesesItem(contexts));
}
public IPostfixLookupItem CreateItem(PostfixTemplateContext context)
{
var expressionContext = context.Expressions.LastOrDefault();
if (expressionContext == null)
{
return(null);
}
if (context.IsAutoCompletion)
{
if (!expressionContext.CanBeStatement)
{
return(null);
}
if (!IsEnumerable(expressionContext))
{
return(null);
}
}
if (expressionContext.CanBeStatement)
{
return(new ForEachStatementItem(expressionContext));
}
return(new ForEachExpressionItem(expressionContext));
}
public IPostfixLookupItem CreateItem(PostfixTemplateContext context)
{
var outerExpression = context.OuterExpression;
if (outerExpression != null && outerExpression.CanBeStatement)
{
if (IsNullable(outerExpression))
{
if (context.IsAutoCompletion && !MakeSenseToCheckInAuto(outerExpression))
{
return(null); // reduce noise
}
return(new CheckForNullStatementItem("notNull", outerExpression, "if($0!=null)"));
}
}
else if (!context.IsAutoCompletion)
{
var nullableExpressions = new List <PrefixExpressionContext>();
foreach (var expressionContext in context.Expressions)
{
if (IsNullable(expressionContext))
{
nullableExpressions.Add(expressionContext);
}
}
if (nullableExpressions.Count > 0)
{
nullableExpressions.Reverse();
return(new CheckForNullExpressionItem("notNull", nullableExpressions.ToArray(), "$0!=null"));
}
}
return(null);
}
public IPostfixLookupItem CreateItem(PostfixTemplateContext context)
{
var expressionContext = context.OuterExpression;
if (expressionContext == null || !expressionContext.CanBeStatement)
{
return(null);
}
var expressionType = expressionContext.Type;
if (context.IsAutoCompletion)
{
if (expressionType.IsUnknown)
{
return(null);
}
if (!expressionType.IsObject())
{
return(null);
}
}
else
{
if (expressionType.Classify == TypeClassification.VALUE_TYPE)
{
return(null);
}
}
return(new LockItem(expressionContext));
}
public IPostfixLookupItem CreateItem(PostfixTemplateContext context)
{
var typeExpression = context.TypeExpression;
if (typeExpression == null)
{
return(CreateExpressionItem(context));
}
var typeElement = typeExpression.ReferencedElement as ITypeElement;
if (typeElement == null)
{
return(null);
}
if (context.IsAutoCompletion)
{
if (!TypeUtils.IsUsefulToCreateWithNew(typeElement))
{
return(null);
}
}
var canInstantiate = TypeUtils.CanInstantiateType(typeElement, typeExpression.Expression);
if (canInstantiate != CanInstantiate.No)
{
var hasParameters = (canInstantiate & CanInstantiate.ConstructorWithParameters) != 0;
return(new NewTypeItem(typeExpression, hasParameters));
}
return(null);
}
public ArgumentItem([NotNull] PrefixExpressionContext[] contexts, [NotNull] PostfixTemplateContext postfixContext)
: base("arg", contexts)
{
var executionContext = postfixContext.ExecutionContext;
myLookupItemsOwner = executionContext.LookupItemsOwner;
myTemplatesManager = executionContext.LiveTemplatesManager;
}
public IPostfixLookupItem CreateItem(PostfixTemplateContext context)
{
var typeExpression = context.TypeExpression;
if (typeExpression != null && typeExpression.ReferencedElement is ITypeElement)
{
return(new TypeOfItem(typeExpression));
}
return(null);
}
private static IPostfixLookupItem CreateExpressionItem([NotNull] PostfixTemplateContext context)
{
var expressionContext = context.InnerExpression;
if (expressionContext == null)
{
return(null);
}
var invocationExpression = expressionContext.Expression as IInvocationExpression;
if (invocationExpression != null) // StringBuilder().new
{
var reference = invocationExpression.InvokedExpression as IReferenceExpression;
if (reference != null)
{
var declaredElement = reference.Reference.Resolve().DeclaredElement;
if (context.IsAutoCompletion)
{
var typeElement = declaredElement as ITypeElement;
if (typeElement != null && TypeUtils.IsUsefulToCreateWithNew(typeElement))
{
var canInstantiate = TypeUtils.CanInstantiateType(typeElement, reference);
if (canInstantiate != CanInstantiate.No)
{
return(new NewExpressionItem(expressionContext));
}
}
}
else if (declaredElement == null || declaredElement is ITypeElement)
{
if (CommonUtils.IsReferenceExpressionsChain(reference))
{
return(new NewExpressionItem(expressionContext));
}
}
}
}
else if (!context.IsAutoCompletion) // UnresolvedType.new
{
var reference = expressionContext.Expression as IReferenceExpression;
if (reference != null && CommonUtils.IsReferenceExpressionsChain(reference))
{
var declaredElement = reference.Reference.Resolve().DeclaredElement;
if (declaredElement == null || declaredElement is ITypeElement)
{
return(new NewTypeItem(expressionContext, hasRequiredArguments: true));
}
}
}
return(null);
}
public IPostfixLookupItem CreateItem(PostfixTemplateContext context)
{
var functionDeclaration = context.ContainingFunction;
if (functionDeclaration == null)
{
return(null);
}
var classLikeDeclaration = functionDeclaration.GetContainingNode <IClassLikeDeclaration>();
if (classLikeDeclaration == null || classLikeDeclaration is IInterfaceDeclaration)
{
return(null);
}
if (!context.IsAutoCompletion || functionDeclaration.DeclaredElement is IConstructor)
{
foreach (var expression in context.Expressions)
{
if (expression.Type.IsUnknown)
{
continue;
}
if (!expression.CanBeStatement)
{
continue;
}
// disable over assignments
if (expression.Expression is IAssignmentExpression)
{
return(null);
}
var reference = expression.Expression as IReferenceExpression;
if (reference != null && reference.QualifierExpression == null)
{
// filter out other fields and properties
var target = expression.ReferencedElement;
if (target == null || target is IField || target is IProperty)
{
continue;
}
}
return(CreateItem(expression, expression.Type, functionDeclaration.IsStatic));
}
}
return(null);
}
public IPostfixLookupItem CreateItem(PostfixTemplateContext context)
{
foreach (var expressionContext in context.Expressions)
{
var expressionType = expressionContext.Type;
if (expressionType.IsResolved && expressionType.IsString())
{
return(new ParseItem("tryParse", expressionContext, isTryParse: true));
}
}
return(null);
}
public ILookupItem CreateItem(PostfixTemplateContext context)
{
foreach (var expressionContext in context.Expressions)
{
var expressionType = expressionContext.Type;
if (expressionType.IsResolved && expressionType.IsString())
{
return new ParseItem("parse", expressionContext, isTryParse: false);
}
}
return null;
}
public ILookupItem CreateItem(PostfixTemplateContext context)
{
string lengthName;
if (CreateForItem(context, out lengthName))
{
var expressionContext = context.InnerExpression;
if (expressionContext != null)
{
return new ReverseForLookupItem(expressionContext, lengthName);
}
}
return null;
}
public IPostfixLookupItem CreateItem(PostfixTemplateContext context)
{
string lengthName;
if (CreateForItem(context, out lengthName))
{
var expressionContext = context.InnerExpression;
if (expressionContext != null)
{
return(new ForLookupItem(expressionContext, lengthName));
}
}
return(null);
}
public IPostfixLookupItem CreateItem(PostfixTemplateContext context)
{
if (context.IsAutoCompletion)
{
return(null);
}
var expressions = CommonUtils.FindExpressionWithValuesContexts(context);
if (expressions.Length == 0)
{
return(null);
}
return(new CastItem(expressions, context));
}
public IPostfixLookupItem CreateItem(PostfixTemplateContext context)
{
if (context.IsAutoCompletion)
{
return(null);
}
var expressions = context.Expressions.Reverse().ToArray();
if (expressions.Length == 0)
{
return(null);
}
return(new SelectItem(expressions));
}
public IPostfixLookupItem CreateItem(PostfixTemplateContext context)
{
var expressionContext = context.OuterExpression;
if (expressionContext == null || !expressionContext.CanBeStatement)
{
return(null);
}
if (context.IsAutoCompletion)
{
var declaration = context.ContainingFunction;
if (declaration == null)
{
return(null);
}
var function = declaration.DeclaredElement;
if (function == null)
{
return(null);
}
var returnType = function.ReturnType;
if (returnType.IsVoid())
{
return(null);
}
if (!IsOrCanBecameIterator(declaration, returnType))
{
return(null);
}
var elementType = GetIteratorElementType(returnType, declaration);
var conversionRule = expressionContext.Expression.GetTypeConversionRule();
if (!expressionContext.ExpressionType.IsImplicitlyConvertibleTo(elementType, conversionRule))
{
return(null);
}
}
return(new YieldItem(expressionContext));
}
public IPostfixLookupItem CreateItem(PostfixTemplateContext context)
{
var booleanExpressions = new LocalList <PrefixExpressionContext>();
var booleanType = context.Reference.GetPredefinedType().Bool;
if (booleanType.IsResolved)
{
var conversionRule = context.Reference.GetTypeConversionRule();
foreach (var expressionContext in context.Expressions)
{
var expressionType = expressionContext.ExpressionType;
if (expressionType.IsResolved)
{
if (!expressionType.IsImplicitlyConvertibleTo(booleanType, conversionRule) &&
!IsBooleanExpressionEx(expressionContext.Expression))
{
continue;
}
}
else
{
if (!IsBooleanExpressionEx(expressionContext.Expression))
{
continue;
}
}
booleanExpressions.Add(expressionContext);
}
}
if (!context.IsAutoCompletion && booleanExpressions.Count == 0)
{
booleanExpressions.AddRange(context.Expressions);
}
if (booleanExpressions.Count > 0)
{
return(CreateBooleanItem(booleanExpressions.ToArray()));
}
return(null);
}
public IPostfixLookupItem CreateItem(PostfixTemplateContext context)
{
var isAutoCompletion = context.ExecutionContext.IsAutoCompletion;
foreach (var expressionContext in context.Expressions)
{
if (!expressionContext.CanBeStatement)
{
continue;
}
if (isAutoCompletion)
{
// disable for constant expressions
if (!expressionContext.Expression.ConstantValue.IsBadValue())
{
continue;
}
var expressionType = expressionContext.Type;
if (!expressionType.IsResolved)
{
continue;
}
if (expressionType.IsNullable())
{
expressionType = expressionType.GetNullableUnderlyingType();
if (expressionType == null || !expressionType.IsResolved)
{
continue;
}
}
if (!expressionType.IsPredefinedIntegral() &&
!expressionType.IsEnumType())
{
continue;
}
}
return(new SwitchItem(expressionContext));
}
return(null);
}
public IPostfixLookupItem CreateItem(PostfixTemplateContext context)
{
var expressionContext = context.TypeExpression ?? context.OuterExpression;
if (expressionContext == null || !expressionContext.CanBeStatement)
{
return(null);
}
var expression = expressionContext.Expression;
var referencedType = expressionContext.ReferencedType;
if (referencedType != null) // 'Exception.throw' case
{
if (context.IsAutoCompletion && !IsInstantiableExceptionType(referencedType, expression))
{
return(null);
}
var canInstantiate = TypeUtils.CanInstantiateType(referencedType, expression);
var hasParameters = (canInstantiate & CanInstantiate.ConstructorWithParameters) != 0;
return(new ThrowByTypeItem(expressionContext, hasParameters));
}
bool needFixWithNew;
if (CheckExpressionType(expressionContext, out needFixWithNew) || !context.IsAutoCompletion)
{
var reference = expressionContext.Expression as IReferenceExpression;
if (reference != null && CommonUtils.IsReferenceExpressionsChain(reference))
{
return(new ThrowByTypeItem(expressionContext, hasRequiredArguments: true));
}
return(new ThrowExpressionItem(expressionContext, needFixWithNew));
}
return(null);
}
public ILookupItem CreateItem(PostfixTemplateContext context)
{
var booleanExpressions = new LocalList<PrefixExpressionContext>();
var booleanType = context.Reference.GetPredefinedType().Bool;
if (booleanType.IsResolved)
{
var conversionRule = context.Reference.GetTypeConversionRule();
foreach (var expressionContext in context.Expressions)
{
var expressionType = expressionContext.ExpressionType;
if (expressionType.IsResolved)
{
if (!expressionType.IsImplicitlyConvertibleTo(booleanType, conversionRule) &&
!IsBooleanExpressionEx(expressionContext.Expression)) continue;
}
else
{
if (!IsBooleanExpressionEx(expressionContext.Expression)) continue;
}
booleanExpressions.Add(expressionContext);
}
}
if (!context.IsAutoCompletion && booleanExpressions.Count == 0)
{
booleanExpressions.AddRange(context.Expressions);
}
if (booleanExpressions.Count > 0)
{
return CreateBooleanItem(booleanExpressions.ToArray());
}
return null;
}
public IPostfixLookupItem CreateItem(PostfixTemplateContext context)
{
var expressionContext = context.OuterExpression;
if (expressionContext == null || !expressionContext.CanBeStatement)
{
return(null);
}
if (context.IsAutoCompletion)
{
var declaration = context.ContainingFunction;
if (declaration == null)
{
return(null);
}
var function = declaration.DeclaredElement;
if (function == null)
{
return(null);
}
var returnType = GetMethodReturnValueType(function, declaration);
if (returnType == null)
{
return(null);
}
var conversionRule = expressionContext.Expression.GetTypeConversionRule();
if (!expressionContext.ExpressionType.IsImplicitlyConvertibleTo(returnType, conversionRule))
{
return(null);
}
}
return(new ReturnLookupItem(expressionContext));
}
public IPostfixLookupItem CreateItem(PostfixTemplateContext context)
{
var expressionContext = context.InnerExpression;
if (expressionContext == null)
{
return(null);
}
var containingFunction = context.ContainingFunction;
if (containingFunction == null)
{
return(null);
}
if (context.IsAutoCompletion)
{
if (!containingFunction.IsAsync)
{
return(null);
}
var type = expressionContext.Type;
if (!type.IsUnknown && !IsAwaitableType(type))
{
return(null);
}
}
if (IsAlreadyAwaited(expressionContext))
{
return(null);
}
return(new AwaitItem(expressionContext));
}
public IPostfixLookupItem CreateItem(PostfixTemplateContext context)
{
if (context.IsAutoCompletion)
{
return(null);
}
// disable .arg template if .arg hotspot is enabled now
var textControl = context.ExecutionContext.TextControl;
if (textControl.GetData(PostfixArgTemplateExpansion) != null)
{
return(null);
}
var expressions = CommonUtils.FindExpressionWithValuesContexts(context, IsNiceArgument);
if (expressions.Length == 0)
{
return(null);
}
return(new ArgumentItem(expressions, context));
}
public ILookupItem CreateItem(PostfixTemplateContext context)
{
var outerExpression = context.OuterExpression;
if (outerExpression != null && outerExpression.CanBeStatement)
{
if (IsNullable(outerExpression))
{
if (context.IsAutoCompletion && outerExpression.Expression is IAsExpression)
return null;
return new CheckForNullStatementItem("null", outerExpression, "if($0==null)");
}
}
else if (!context.IsAutoCompletion)
{
var innerExpression = context.InnerExpression;
if (IsNullable(innerExpression))
{
return new CheckForNullExpressionItem("null", innerExpression, "$0==null");
}
}
return null;
}
public CastItem([NotNull] PrefixExpressionContext[] contexts, [NotNull] PostfixTemplateContext postfixContext)
: base("cast", contexts)
{
myTemplatesManager = postfixContext.ExecutionContext.LiveTemplatesManager;
}
public void Accept(ITextControl textControl, TextRange nameRange, LookupItemInsertType insertType,
Suffix suffix, ISolution solution, bool keepCaretStill)
{
// todo: carefully review and document all of this :\
var reparseString = Info.ReparseString;
// so we inserted '.__' and get '2 + 2.__' just like in code completion reparse
textControl.Document.InsertText(nameRange.EndOffset, reparseString, TextModificationSide.RightSide);
solution.GetPsiServices().Files.CommitAllDocuments();
var executionContext = new PostfixTemplateExecutionContext(
solution, textControl, Info.ExecutionContext.SettingsStore, Info.ReparseString, Info.ExecutionContext.IsPreciseMode);
PostfixTemplateContext postfixContext = null;
foreach (var element in TextControlToPsi.GetElements <ITreeNode>(solution, textControl.Document, nameRange.EndOffset))
{
var contextFactory = LanguageManager.Instance.TryGetService <IPostfixTemplateContextFactory>(element.Language);
if (contextFactory == null)
{
continue;
}
postfixContext = contextFactory.TryCreate(element, executionContext);
if (postfixContext != null)
{
break;
}
}
// todo: [R#] good feature id, looks at source templates 'Accept()'
TipsManager.Instance.FeatureIsUsed(
"Plugin.ControlFlow.PostfixTemplates." + Info.Text, textControl.Document, solution);
Assertion.AssertNotNull(postfixContext, "postfixContext != null");
var expressions = FindOriginalContexts(postfixContext);
Assertion.Assert(expressions.Count > 0, "expressions.Count > 0");
if (expressions.Count > 1 && myExpressionIndex == -1)
{
// rollback document changes to hide reparse string from user
var chooser = solution.GetComponent <ExpressionChooser>();
var postfixRange = GetPostfixRange(textControl, nameRange);
var postfixText = textControl.Document.GetText(postfixRange);
textControl.Document.ReplaceText(postfixRange, string.Empty);
chooser.Execute(
EternalLifetime.Instance, textControl, expressions, postfixText,
ExpressionSelectTitle, continuation: index =>
{
myExpressionIndex = index;
// yep, run accept recursively, now with selected item index
var locks = solution.GetComponent <IShellLocks>();
const string commandName = "PostfixTemplates.Accept";
locks.ReentrancyGuard.ExecuteOrQueue(commandName, () =>
{
locks.ExecuteWithReadLock(() =>
{
var processor = solution.GetComponent <ICommandProcessor>();
using (processor.UsingCommand(commandName))
{
var text = postfixText.Substring(0, postfixText.Length - reparseString.Length);
// todo: don't like it very much, is there a better way to solve this?
textControl.Document.InsertText( // bring back ".name__"
postfixRange.StartOffset, text, TextModificationSide.RightSide);
// argh!
Accept(textControl, nameRange, insertType, suffix, solution, keepCaretStill);
}
});
});
});
return;
}
Assertion.Assert(myExpressionIndex >= 0, "myExpressionIndex >= 0");
Assertion.Assert(myExpressionIndex < expressions.Count, "myExpressionIndex < expressions.Count");
var expressionContext = expressions[myExpressionIndex];
ITreeNode newNode;
using (WriteLockCookie.Create())
{
var fixedContext = postfixContext.FixExpression(expressionContext);
var expression = fixedContext.Expression;
Assertion.Assert(expression.IsPhysical(), "expression.IsPhysical()");
newNode = ExpandPostfix(fixedContext);
Assertion.AssertNotNull(newNode, "newNode != null");
Assertion.Assert(newNode.IsPhysical(), "newNode.IsPhysical()");
}
AfterComplete(textControl, newNode);
}
protected bool CreateForItem([NotNull] PostfixTemplateContext context, [CanBeNull] out string lengthName)
{
lengthName = null;
var expressionContext = context.InnerExpression;
if (expressionContext == null || !expressionContext.CanBeStatement)
{
return(false);
}
var expression = expressionContext.Expression;
if (context.IsAutoCompletion && !expression.IsPure())
{
return(false);
}
if (expressionContext.Type is IArrayType)
{
lengthName = "Length";
}
else
{
if (!expressionContext.Type.IsResolved)
{
return(false); // even in force mode
}
var psiModule = expressionContext.PostfixContext.PsiModule;
var symbolTable = expressionContext.Type.GetSymbolTable(psiModule);
var publicProperties = symbolTable.Filter(
myPropertyFilter, OverriddenFilter.INSTANCE,
new AccessRightsFilter(new ElementAccessContext(expression)));
const string countPropertyName = "Count";
var result = publicProperties.GetResolveResult(countPropertyName);
var resolveResult = result.DeclaredElement as IProperty;
if (resolveResult != null)
{
if (resolveResult.IsStatic)
{
return(false);
}
if (!resolveResult.Type.IsInt())
{
return(false);
}
lengthName = countPropertyName;
}
else
{
if (!expressionContext.Type.IsPredefinedIntegralNumeric())
{
return(false);
}
}
}
return(true);
}
public IPostfixLookupItem CreateItem(PostfixTemplateContext context)
{
var contexts = new List <PrefixExpressionContext>();
foreach (var expressionContext in context.ExpressionsOrTypes)
{
var expression = expressionContext.Expression;
if (expression is IReferenceExpression)
{
// filter out 'too simple' local variable expressions
var target = expressionContext.ReferencedElement;
if (target is IParameter || target is ILocalVariable)
{
if (context.IsAutoCompletion)
{
continue;
}
}
}
else if (expression is IAssignmentExpression)
{
if (context.IsAutoCompletion)
{
continue;
}
}
if (expressionContext.Type.IsVoid())
{
continue;
}
var referencedType = expressionContext.ReferencedType;
if (referencedType != null)
{
if (context.IsAutoCompletion)
{
if (TypeUtils.CanInstantiateType(referencedType, expression) == 0)
{
break;
}
if (!TypeUtils.IsUsefulToCreateWithNew(referencedType.GetTypeElement()))
{
break;
}
}
contexts.Add(expressionContext);
break; // prevent from 'expr == T.var' => 'var t = expr == T;'
}
contexts.Add(expressionContext);
}
var bestContext = contexts.FirstOrDefault(MattersToShowVar) ?? contexts.LastOrDefault();
if (bestContext == null)
{
return(null);
}
if (MattersToShowVar(bestContext) || !context.IsAutoCompletion)
{
var referencedType = bestContext.ReferencedType;
if (referencedType != null)
{
return(new VarByTypeItem(bestContext, referencedType));
}
var isConstructorCall = IsConstructorInvocation(bestContext.Expression);
if (bestContext.CanBeStatement)
{
return(new VarStatementItem(bestContext, isConstructorCall));
}
return(new VarExpressionItem(bestContext, isConstructorCall));
}
return(null);
}
public IPostfixLookupItem CreateItem(PostfixTemplateContext context)
{
var expressionContext = context.OuterExpression;
if (expressionContext == null || !expressionContext.CanBeStatement)
{
return(null);
}
var expression = expressionContext.Expression;
var shouldCreateVariable = true;
var disposableType = expression.GetPredefinedType().IDisposable;
if (!disposableType.IsResolved)
{
return(null);
}
var conversionRule = expression.GetTypeConversionRule();
var expressionType = expressionContext.ExpressionType;
if (context.IsAutoCompletion)
{
if (!expressionType.IsResolved)
{
return(null);
}
if (!expressionType.IsImplicitlyConvertibleTo(disposableType, conversionRule))
{
return(null);
}
}
if (expressionType.IsResolved && disposableType.Equals(expressionType.ToIType()))
{
shouldCreateVariable = false;
}
// check expression is local variable reference
var resourceVariable = expressionContext.ReferencedElement as ITypeOwner;
if (resourceVariable is ILocalVariable || resourceVariable is IParameter)
{
shouldCreateVariable = false;
}
for (ITreeNode node = expression; context.IsAutoCompletion;)
{
// inspect containing using statements
var usingStatement = node.GetContainingNode <IUsingStatement>();
if (usingStatement == null)
{
break;
}
// check if expressions is variable declared with using statement
var declaration = usingStatement.Declaration;
if (resourceVariable is ILocalVariable && declaration != null)
{
foreach (var member in declaration.DeclaratorsEnumerable)
{
if (Equals(member.DeclaredElement, resourceVariable))
{
return(null);
}
}
}
// check expression is already in using statement expression
if (declaration == null)
{
foreach (var expr in usingStatement.ExpressionsEnumerable)
{
if (MiscUtil.AreExpressionsEquivalent(expr, expression))
{
return(null);
}
}
}
node = usingStatement;
}
return(new UsingItem(expressionContext, shouldCreateVariable));
}
public void Accept(ITextControl textControl, TextRange nameRange, LookupItemInsertType insertType,
Suffix suffix, ISolution solution, bool keepCaretStill)
{
textControl.Document.InsertText(
nameRange.EndOffset, myReparseString, TextModificationSide.RightSide);
solution.GetPsiServices().CommitAllDocuments();
var itemsOwnerFactory = solution.GetComponent <LookupItemsOwnerFactory>();
var templatesManager = solution.GetComponent <PostfixTemplatesManager>();
var lookupItemsOwner = itemsOwnerFactory.CreateLookupItemsOwner(textControl);
PostfixTemplateContext postfixContext = null;
var identifierOffset = (textControl.Caret.Offset() - myReparseString.Length);
foreach (var position in TextControlToPsi
.GetElements <ITokenNode>(solution, textControl.Document, identifierOffset))
{
var executionContext = new PostfixExecutionContext(
myLifetime, solution, textControl, lookupItemsOwner, myReparseString, false);
postfixContext = templatesManager.IsAvailable(position, executionContext);
if (postfixContext != null)
{
break;
}
}
TipsManager.Instance.FeatureIsUsed(
"Plugin.ControlFlow.PostfixTemplates." + myShortcut, textControl.Document, solution);
Assertion.AssertNotNull(postfixContext, "postfixContext != null");
var expressions = FindOriginalContexts(postfixContext);
Assertion.Assert(expressions.Count > 0, "expressions.Count > 0");
if (expressions.Count > 1 && myExpressionIndex == -1)
{
// rollback document changes to hide reparse string from user
var chooser = solution.GetComponent <ExpressionChooser>();
var postfixRange = GetPostfixRange(textControl, nameRange);
var postfixText = textControl.Document.GetText(postfixRange);
textControl.Document.ReplaceText(postfixRange, string.Empty);
chooser.Execute(myLifetime, textControl, expressions,
postfixText, ExpressionSelectTitle, index =>
{
myExpressionIndex = index;
// yep, run accept recursively, now with selected item index
var locks = solution.GetComponent <IShellLocks>();
const string commandName = "PostfixTemplates.Accept";
locks.ReentrancyGuard.ExecuteOrQueue(commandName, () =>
{
locks.ExecuteWithReadLock(() =>
{
var processor = solution.GetComponent <ICommandProcessor>();
using (processor.UsingCommand(commandName))
{
var text = postfixText.Substring(0, postfixText.Length - myReparseString.Length);
textControl.Document.InsertText( // bring back ".name__"
postfixRange.StartOffset, text, TextModificationSide.RightSide);
Accept(textControl, nameRange, insertType, suffix, solution, keepCaretStill);
}
});
});
});
return;
}
Assertion.Assert(myExpressionIndex >= 0, "myExpressionIndex >= 0");
Assertion.Assert(myExpressionIndex < expressions.Count, "myExpressionIndex < expressions.Count");
var expressionContext = expressions[myExpressionIndex];
TNode newNode;
using (WriteLockCookie.Create())
{
var fixedContext = postfixContext.FixExpression(expressionContext);
var expression = fixedContext.Expression;
Assertion.Assert(expression.IsPhysical(), "expression.IsPhysical()");
newNode = ExpandPostfix(fixedContext);
Assertion.AssertNotNull(newNode, "newNode != null");
Assertion.Assert(newNode.IsPhysical(), "newNode.IsPhysical()");
}
AfterComplete(textControl, newNode);
}
