protected virtual void CreateVisitListStatements(MethodGenerationContext context, bool isSeparatedList)
{
ITypeSymbol typeSymbol = ((INamedTypeSymbol)context.PropertyType).TypeArguments.Single();
IMethodSymbol methodSymbol = FindVisitMethod(typeSymbol);
string methodName = null;
if (methodSymbol != null)
{
methodName = methodSymbol.Name;
}
else if (EliminateDefaultVisit)
{
methodName = GetMethodName(typeSymbol);
}
if (methodName != null)
{
string typeName = typeSymbol.Name;
string variableName = context.CreateVariableName(typeName.Remove(typeName.Length - 6));
ForEachStatementSyntax forEachStatement = ForEachVisitStatement(
typeName,
variableName,
SimpleMemberAccessExpression(IdentifierName(context.ParameterName), IdentifierName(context.PropertyName)),
VisitStatement(methodName, variableName),
checkShouldVisit: true);
context.AddStatement(forEachStatement);
}
else
{
methodName = (isSeparatedList) ? "VisitSeparatedList" : "VisitList";
context.AddStatement(VisitStatement(methodName, context.ParameterName, context.PropertyName));
}
}
public List <MemberDeclarationSyntax> CreateMemberDeclarations()
{
var members = new List <MemberDeclarationSyntax>();
AddIfNotNull(CreateConstructorDeclaration(Depth));
AddIfNotNull(CreateShouldVisitPropertyDeclaration());
AddIfNotNull(CreateVisitNodeMethodDeclaration());
if (!EliminateDefaultVisit &&
Depth >= SyntaxWalkerDepth.Node)
{
AddIfNotNull(CreateVisitListMethodDeclaration());
AddIfNotNull(CreateVisitSeparatedListMethodDeclaration());
}
if (Depth >= SyntaxWalkerDepth.Token)
{
AddIfNotNull(CreateVisitTokenListMethodDeclaration());
}
var context = new MethodGenerationContext();
foreach (ISymbol symbol in VisitMethodSymbols)
{
context.MethodSymbol = (IMethodSymbol)symbol;
AddIfNotNull(CreateVisitMethodDeclaration(context));
context.MethodSymbol = null;
context.Statements.Clear();
context.LocalNames.Clear();
}
if (EliminateDefaultVisit)
{
AddIfNotNull(CreateVisitAbstractSyntaxMethodDeclaration(Microsoft_CodeAnalysis_CSharp_Syntax_BaseTypeSyntax));
AddIfNotNull(CreateVisitAbstractSyntaxMethodDeclaration(Microsoft_CodeAnalysis_CSharp_Syntax_CrefSyntax));
AddIfNotNull(CreateVisitAbstractSyntaxMethodDeclaration(Microsoft_CodeAnalysis_CSharp_Syntax_ExpressionSyntax));
AddIfNotNull(CreateVisitAbstractSyntaxMethodDeclaration(Microsoft_CodeAnalysis_CSharp_Syntax_InterpolatedStringContentSyntax));
AddIfNotNull(CreateVisitAbstractSyntaxMethodDeclaration(Microsoft_CodeAnalysis_CSharp_Syntax_MemberCrefSyntax));
AddIfNotNull(CreateVisitAbstractSyntaxMethodDeclaration(Microsoft_CodeAnalysis_CSharp_Syntax_MemberDeclarationSyntax));
AddIfNotNull(CreateVisitAbstractSyntaxMethodDeclaration(Microsoft_CodeAnalysis_CSharp_Syntax_PatternSyntax));
AddIfNotNull(CreateVisitAbstractSyntaxMethodDeclaration(Microsoft_CodeAnalysis_CSharp_Syntax_QueryClauseSyntax));
AddIfNotNull(CreateVisitAbstractSyntaxMethodDeclaration(Microsoft_CodeAnalysis_CSharp_Syntax_SelectOrGroupClauseSyntax));
AddIfNotNull(CreateVisitAbstractSyntaxMethodDeclaration(Microsoft_CodeAnalysis_CSharp_Syntax_SimpleNameSyntax));
AddIfNotNull(CreateVisitAbstractSyntaxMethodDeclaration(Microsoft_CodeAnalysis_CSharp_Syntax_StatementSyntax));
AddIfNotNull(CreateVisitAbstractSyntaxMethodDeclaration(Microsoft_CodeAnalysis_CSharp_Syntax_SwitchLabelSyntax));
AddIfNotNull(CreateVisitAbstractSyntaxMethodDeclaration(Microsoft_CodeAnalysis_CSharp_Syntax_TypeParameterConstraintSyntax));
AddIfNotNull(CreateVisitAbstractSyntaxMethodDeclaration(Microsoft_CodeAnalysis_CSharp_Syntax_TypeSyntax));
AddIfNotNull(CreateVisitAbstractSyntaxMethodDeclaration(Microsoft_CodeAnalysis_CSharp_Syntax_VariableDesignationSyntax));
AddIfNotNull(CreateVisitAbstractSyntaxMethodDeclaration(Microsoft_CodeAnalysis_CSharp_Syntax_XmlAttributeSyntax));
AddIfNotNull(CreateVisitAbstractSyntaxMethodDeclaration(Microsoft_CodeAnalysis_CSharp_Syntax_XmlNodeSyntax));
}
return(members);
void AddIfNotNull(MemberDeclarationSyntax memberDeclaration)
{
if (memberDeclaration != null)
{
members.Add(memberDeclaration);
}
}
}
protected virtual void CreateVisitStatements(MethodGenerationContext context)
{
string parameterName = context.ParameterName;
ITypeSymbol propertyType = context.PropertyType;
string propertyName = context.PropertyName;
if (propertyType.OriginalDefinition.Equals(SyntaxListSymbol))
{
if (UseCustomVisitMethod)
{
CreateVisitListStatements(context, isSeparatedList: false);
}
else
{
context.AddStatement(VisitStatement("VisitList", parameterName, propertyName));
}
}
else if (propertyType.OriginalDefinition.Equals(SeparatedSyntaxListSymbol))
{
if (UseCustomVisitMethod)
{
CreateVisitListStatements(context, isSeparatedList: true);
}
else
{
context.AddStatement(VisitStatement("VisitSeparatedList", parameterName, propertyName));
}
}
else if (propertyType.Equals(SyntaxTokenListSymbol))
{
if (Depth >= SyntaxWalkerDepth.Token)
{
context.AddStatement(VisitStatement("VisitTokenList", parameterName, propertyName));
}
}
else if (propertyType.Equals(SyntaxTokenSymbol))
{
if (Depth >= SyntaxWalkerDepth.Token)
{
context.AddStatement(VisitStatement("VisitToken", parameterName, propertyName));
}
}
else if (propertyType.EqualsOrInheritsFrom(SyntaxNodeSymbol))
{
switch (propertyType.Name)
{
case "AccessorListSyntax":
case "ArgumentListSyntax":
case "ArrayTypeSyntax":
case "ArrowExpressionClauseSyntax":
case "AttributeArgumentListSyntax":
case "AttributeTargetSpecifierSyntax":
case "BaseListSyntax":
case "BlockSyntax":
case "BracketedArgumentListSyntax":
case "BracketedParameterListSyntax":
case "CatchDeclarationSyntax":
case "CatchFilterClauseSyntax":
case "ConstructorInitializerSyntax":
case "CrefBracketedParameterListSyntax":
case "CrefParameterListSyntax":
case "CrefSyntax":
case "ElseClauseSyntax":
case "EqualsValueClauseSyntax":
case "ExplicitInterfaceSpecifierSyntax":
case "ExpressionSyntax":
case "FinallyClauseSyntax":
case "FromClauseSyntax":
case "IdentifierNameSyntax":
case "InitializerExpressionSyntax":
case "InterpolationAlignmentClauseSyntax":
case "InterpolationFormatClauseSyntax":
case "JoinIntoClauseSyntax":
case "MemberCrefSyntax":
case "NameColonSyntax":
case "NameEqualsSyntax":
case "NameSyntax":
case "ParameterListSyntax":
case "ParameterSyntax":
case "PatternSyntax":
case "QueryBodySyntax":
case "QueryContinuationSyntax":
case "SelectOrGroupClauseSyntax":
case "SimpleNameSyntax":
case "StatementSyntax":
case "TypeArgumentListSyntax":
case "TypeParameterListSyntax":
case "TypeSyntax":
case "VariableDeclarationSyntax":
case "VariableDesignationSyntax":
case "WhenClauseSyntax":
case "XmlElementEndTagSyntax":
case "XmlElementStartTagSyntax":
case "XmlNameSyntax":
case "XmlPrefixSyntax":
{
if (UseCustomVisitMethod)
{
CreateTypeVisitStatements(context);
}
else
{
context.AddStatement(VisitStatement("Visit", parameterName, propertyName));
}
break;
}
case "CSharpSyntaxNode":
{
if (!UseCustomVisitMethod)
{
context.AddStatement(VisitStatement("Visit", parameterName, propertyName));
break;
}
if (EliminateDefaultVisit &&
propertyName == "Body" &&
context.ParameterType.InheritsFrom(Microsoft_CodeAnalysis_CSharp_Syntax_AnonymousFunctionExpressionSyntax))
{
CreateVisitAnonymousFunctionStatements(context);
}
else
{
CreateTypeVisitStatements(context);
}
break;
}
default:
{
throw new InvalidOperationException($"Unrecognized property type '{propertyType.ToDisplayString()}'.");
}
}
}
else if (!propertyType.SpecialType.Is(SpecialType.System_Int32, SpecialType.System_Boolean))
{
throw new InvalidOperationException();
}
}