public override SyntaxList <StatementSyntax> VisitForEachBlock(VBSyntax.ForEachBlockSyntax node)
{
var stmt = node.ForEachStatement;
TypeSyntax type = null;
SyntaxToken id;
if (stmt.ControlVariable is VBSyntax.VariableDeclaratorSyntax)
{
var v = (VBSyntax.VariableDeclaratorSyntax)stmt.ControlVariable;
var declaration = VisualBasicConverter.SplitVariableDeclarations(v, _nodesVisitor, _semanticModel).Values.Single();
type = declaration.Type;
id = declaration.Variables[0].Identifier;
}
else
{
var v = (IdentifierNameSyntax)stmt.ControlVariable.Accept(_nodesVisitor);
id = v.Identifier;
type = SyntaxFactory.ParseTypeName("var");
}
var block = SyntaxFactory.Block(node.Statements.SelectMany(s => s.Accept(CommentConvertingVisitor)));
return(SingleStatement(SyntaxFactory.ForEachStatement(
type,
id,
(ExpressionSyntax)stmt.Expression.Accept(_nodesVisitor),
block.UnpackNonNestedBlock()
)));
}
public async Task <Document> SingleFirstPass(Document document)
{
var converted = await VisualBasicConverter.ConvertCompilationTree(document, _csharpViewOfVbSymbols, _csharpReferenceProject);
var convertedDocument = _convertedCsProject.AddDocument(document.FilePath, converted);
_convertedCsProject = convertedDocument.Project;
return(convertedDocument);
}
public SyntaxTree SingleFirstPass(Compilation sourceCompilation, SyntaxTree tree)
{
_sourceCompilation = sourceCompilation;
var converted = VisualBasicConverter.ConvertCompilationTree((VisualBasicCompilation)sourceCompilation, (VisualBasicSyntaxTree)tree);
var convertedTree = SyntaxFactory.SyntaxTree(converted);
_firstPassResults.Add(convertedTree);
return(convertedTree);
}
public override SyntaxList <StatementSyntax> VisitLocalDeclarationStatement(VBSyntax.LocalDeclarationStatementSyntax node)
{
var modifiers = VisualBasicConverter.ConvertModifiers(node.Modifiers, TokenContext.Local);
var declarations = new List <LocalDeclarationStatementSyntax>();
foreach (var declarator in node.Declarators)
{
foreach (var decl in VisualBasicConverter.SplitVariableDeclarations(declarator, _nodesVisitor, _semanticModel))
{
declarations.Add(SyntaxFactory.LocalDeclarationStatement(modifiers, decl.Value));
}
}
return(SyntaxFactory.List <StatementSyntax>(declarations));
}
public override SyntaxList <StatementSyntax> VisitUsingBlock(VBSyntax.UsingBlockSyntax node)
{
var statementSyntax = SyntaxFactory.Block(node.Statements.SelectMany(s => s.Accept(CommentConvertingVisitor)));
if (node.UsingStatement.Expression == null)
{
StatementSyntax stmt = statementSyntax;
foreach (var v in node.UsingStatement.Variables.Reverse())
{
foreach (var declaration in VisualBasicConverter.SplitVariableDeclarations(v, _nodesVisitor, _semanticModel).Values.Reverse())
{
stmt = SyntaxFactory.UsingStatement(declaration, null, stmt);
}
}
return(SingleStatement(stmt));
}
var expr = (ExpressionSyntax)node.UsingStatement.Expression.Accept(_nodesVisitor);
var unpackPossiblyNestedBlock = statementSyntax.UnpackPossiblyNestedBlock(); // Allow reduced indentation for multiple usings in a row
return(SingleStatement(SyntaxFactory.UsingStatement(null, expr, unpackPossiblyNestedBlock)));
}
public override SyntaxList <StatementSyntax> VisitForBlock(VBSyntax.ForBlockSyntax node)
{
var stmt = node.ForStatement;
ExpressionSyntax startValue = (ExpressionSyntax)stmt.FromValue.Accept(_nodesVisitor);
VariableDeclarationSyntax declaration = null;
ExpressionSyntax id;
if (stmt.ControlVariable is VBSyntax.VariableDeclaratorSyntax)
{
var v = (VBSyntax.VariableDeclaratorSyntax)stmt.ControlVariable;
declaration = VisualBasicConverter.SplitVariableDeclarations(v, _nodesVisitor, _semanticModel).Values.Single();
declaration = declaration.WithVariables(SyntaxFactory.SingletonSeparatedList(declaration.Variables[0].WithInitializer(SyntaxFactory.EqualsValueClause(startValue))));
id = SyntaxFactory.IdentifierName(declaration.Variables[0].Identifier);
}
else
{
id = (ExpressionSyntax)stmt.ControlVariable.Accept(_nodesVisitor);
var symbol = _semanticModel.GetSymbolInfo(stmt.ControlVariable).Symbol;
if (!_semanticModel.LookupSymbols(node.FullSpan.Start, name: symbol.Name).Any())
{
var variableDeclaratorSyntax = SyntaxFactory.VariableDeclarator(SyntaxFactory.Identifier(symbol.Name), null,
SyntaxFactory.EqualsValueClause(startValue));
declaration = SyntaxFactory.VariableDeclaration(
SyntaxFactory.IdentifierName("var"),
SyntaxFactory.SingletonSeparatedList(variableDeclaratorSyntax));
}
else
{
startValue = SyntaxFactory.AssignmentExpression(SyntaxKind.SimpleAssignmentExpression, id, startValue);
}
}
var step = (ExpressionSyntax)stmt.StepClause?.StepValue.Accept(_nodesVisitor);
PrefixUnaryExpressionSyntax value = step.SkipParens() as PrefixUnaryExpressionSyntax;
ExpressionSyntax condition;
if (value == null)
{
condition = SyntaxFactory.BinaryExpression(SyntaxKind.LessThanOrEqualExpression, id, (ExpressionSyntax)stmt.ToValue.Accept(_nodesVisitor));
}
else
{
condition = SyntaxFactory.BinaryExpression(SyntaxKind.GreaterThanOrEqualExpression, id, (ExpressionSyntax)stmt.ToValue.Accept(_nodesVisitor));
}
if (step == null)
{
step = SyntaxFactory.PostfixUnaryExpression(SyntaxKind.PostIncrementExpression, id);
}
else
{
step = SyntaxFactory.AssignmentExpression(SyntaxKind.AddAssignmentExpression, id, step);
}
var block = SyntaxFactory.Block(node.Statements.SelectMany(s => s.Accept(CommentConvertingVisitor)));
return(SingleStatement(SyntaxFactory.ForStatement(
declaration,
declaration != null ? SyntaxFactory.SeparatedList <ExpressionSyntax>() : SyntaxFactory.SingletonSeparatedList(startValue),
condition,
SyntaxFactory.SingletonSeparatedList(step),
block.UnpackNonNestedBlock())));
}
public async Task <SyntaxNode> SingleFirstPass(Document document)
{
return(await VisualBasicConverter.ConvertCompilationTree(document, _csharpViewOfVbSymbols, _csharpReferenceProject));
}
public async Task <SyntaxNode> SingleFirstPassAsync(Document document)
{
return(await VisualBasicConverter.ConvertCompilationTreeAsync(document, _csharpViewOfVbSymbols, _csharpReferenceProject, OptionalOperations, _typeToInheritors, _cancellationToken));
}