private static DeclarationExpressionSyntax GetDeclarationExpression(
SourceText sourceText, IdentifierNameSyntax identifier,
TypeSyntax newType, VariableDeclaratorSyntax declaratorOpt)
{
newType = newType.WithoutTrivia().WithAdditionalAnnotations(Formatter.Annotation);
var designation = SyntaxFactory.SingleVariableDesignation(identifier.Identifier);
if (declaratorOpt != null)
{
// We're removing a single declarator. Copy any comments it has to the out-var.
//
// Note: this is tricky due to comment ownership. We want the comments that logically
// belong to the declarator, even if our syntax model attaches them to other tokens.
var precedingTrivia = declaratorOpt.GetAllPrecedingTriviaToPreviousToken(
sourceText, includePreviousTokenTrailingTriviaOnlyIfOnSameLine: true);
if (precedingTrivia.Any(t => t.IsSingleOrMultiLineComment()))
{
designation = designation.WithPrependedLeadingTrivia(MassageTrivia(precedingTrivia));
}
if (declaratorOpt.GetTrailingTrivia().Any(t => t.IsSingleOrMultiLineComment()))
{
designation = designation.WithAppendedTrailingTrivia(MassageTrivia(declaratorOpt.GetTrailingTrivia()));
}
}
return(SyntaxFactory.DeclarationExpression(newType, designation));
}
private static DeclarationExpressionSyntax GetDeclarationExpression(
SourceText sourceText, IdentifierNameSyntax identifier,
TypeSyntax newType, VariableDeclaratorSyntax declaratorOpt)
{
newType = newType.WithoutTrivia().WithAdditionalAnnotations(Formatter.Annotation);
var designation = SyntaxFactory.SingleVariableDesignation(identifier.Identifier);
if (declaratorOpt != null)
{
// We're removing a single declarator. Copy any comments it has to the out-var.
//
// Note: this is tricky due to comment ownership. We want hte comments that logically
// belong to the declarator, even if our syntax model attaches them to other tokens.
var precedingTrivia = declaratorOpt.GetAllPrecedingTriviaToPreviousToken(
sourceText, includePreviousTokenTrailingTriviaOnlyIfOnSameLine: true);
if (precedingTrivia.Any(t => t.IsSingleOrMultiLineComment()))
{
designation = designation.WithPrependedLeadingTrivia(MassageTrivia(precedingTrivia));
}
if (declaratorOpt.GetTrailingTrivia().Any(t => t.IsSingleOrMultiLineComment()))
{
designation = designation.WithAppendedTrailingTrivia(MassageTrivia(declaratorOpt.GetTrailingTrivia()));
}
}
return SyntaxFactory.DeclarationExpression(newType, designation);
}
public static async Task <Document> RefactorAsync(
Document document,
LocalDeclarationStatementSyntax localDeclaration,
VariableDeclaratorSyntax declarator,
ITypeSymbol typeSymbol,
CancellationToken cancellationToken = default(CancellationToken))
{
VariableDeclaratorSyntax newDeclarator = GetNewDeclarator(
declarator,
localDeclaration.Declaration.Type.WithoutTrivia(),
typeSymbol);
LocalDeclarationStatementSyntax newNode = localDeclaration.ReplaceNode(declarator, newDeclarator);
if (localDeclaration.SemicolonToken.IsMissing &&
localDeclaration.Declaration.Variables.Last().Equals(declarator))
{
newNode = newNode.WithSemicolonToken(SemicolonToken().WithTrailingTrivia(newDeclarator.GetTrailingTrivia()));
}
return(await document.ReplaceNodeAsync(localDeclaration, newNode, cancellationToken).ConfigureAwait(false));
}
public static Task <Document> RefactorAsync(
Document document,
LocalDeclarationStatementSyntax localDeclaration,
VariableDeclaratorSyntax declarator,
ITypeSymbol typeSymbol,
CancellationToken cancellationToken = default)
{
VariableDeclaratorSyntax newDeclarator = GetNewDeclarator(localDeclaration.Declaration.Type.WithoutTrivia());
LocalDeclarationStatementSyntax newNode = localDeclaration.ReplaceNode(declarator, newDeclarator);
if (localDeclaration.SemicolonToken.IsMissing &&
localDeclaration.Declaration.Variables.Last().Equals(declarator))
{
newNode = newNode.WithSemicolonToken(SemicolonToken().WithTrailingTrivia(newDeclarator.GetTrailingTrivia()));
}
return(document.ReplaceNodeAsync(localDeclaration, newNode, cancellationToken));
VariableDeclaratorSyntax GetNewDeclarator(TypeSyntax type)
{
ExpressionSyntax value = typeSymbol.GetDefaultValueSyntax(document.GetDefaultSyntaxOptions(), type);
EqualsValueClauseSyntax initializer = declarator.Initializer;
EqualsValueClauseSyntax newInitializer = EqualsValueClause(value);
if (initializer?.IsMissing != false)
{
return(declarator
.WithIdentifier(declarator.Identifier.WithoutTrailingTrivia())
.WithInitializer(newInitializer.WithTrailingTrivia(declarator.Identifier.TrailingTrivia)));
}
else
{
return(declarator
.WithInitializer(newInitializer.WithTriviaFrom(initializer.EqualsToken)));
}
}
}
public override SyntaxNode VisitVariableDeclarator(VariableDeclaratorSyntax node)
{
String name = node.Identifier.ValueText;
String replaceName = "";
if (SharedContainer.Instance.nameMap.ContainsKey(name))
{
replaceName = SharedContainer.Instance.nameMap[name];
}
else
{
replaceName = SharedContainer.Instance.RandomString(SharedContainer.Instance.nameMap.Count() + 1);
SharedContainer.Instance.nameMap[name] = replaceName;
}
VariableDeclaratorSyntax newSyntax = node.WithIdentifier(Identifier(replaceName)).WithLeadingTrivia(node.GetLeadingTrivia()).WithTrailingTrivia(node.GetTrailingTrivia());
return(node.ReplaceNode(node, newSyntax));
}
private Method TraverseVarDeclarators(VariableDeclaratorSyntax vds)
{
Method retMethod = new Method();
Variables retVar = new Variables();
if (vds.HasLeadingTrivia)
{
SetOuterComments(retVar, vds.GetLeadingTrivia().ToFullString());
}
if (vds.HasTrailingTrivia)
{
SetInnerComments(retVar, vds.GetTrailingTrivia().ToFullString());
}
retVar.Name = vds.Identifier.ValueText;
Model.Type retType = new Model.Type();
retType.IsKnownType = SyntaxFacts.IsKeywordKind(vds.CSharpKind());
retType.IsNotUserDefined = SyntaxFacts.IsKeywordKind(vds.CSharpKind());
retVar.Type = retType;
retMethod.AccessedVariables.Add(retVar);
var valueClauses = from aValueClase in vds.ChildNodes().OfType<EqualsValueClauseSyntax>() select aValueClase;
foreach (EqualsValueClauseSyntax evcs in valueClauses)
{
retMethod.AccessedVariables.AddRange(TraverseEqualsClause(evcs).AccessedVariables);
}
//TODO
//Don't know if I need more stuff here
//or even if i can fetch it from vds
return retMethod;
}
