private static bool TryGetNodeForeSingleLineLambdaExpression(SyntaxKind kind, StatementSyntax statement, out VisualBasicSyntaxNode singleNode)
{
switch (kind)
{
case SyntaxKind.SingleLineSubLambdaExpression when statement.DescendantNodesAndSelf().OfType <StatementSyntax>().Count() == 1:
singleNode = statement;
return(true);
case SyntaxKind.SingleLineFunctionLambdaExpression when UnpackExpressionFromStatement(statement, out var expression):
singleNode = expression;
return(true);
default:
singleNode = null;
return(false);
}
}
private static bool TryGetNodeForeSingleLineLambdaExpression(SyntaxKind kind,
SyntaxList <StatementSyntax> statements, out VisualBasicSyntaxNode singleNode)
{
switch (kind)
{
case SyntaxKind.SingleLineSubLambdaExpression:
singleNode = statements[0];
return(true);
case SyntaxKind.SingleLineFunctionLambdaExpression when UnpackExpressionFromStatement(statements[0], out var expression):
singleNode = expression;
return(true);
default:
singleNode = null;
return(false);
}
}
public static bool IsKind(this SyntaxToken token, Microsoft.CodeAnalysis.VisualBasic.SyntaxKind kind1, Microsoft.CodeAnalysis.VisualBasic.SyntaxKind kind2, Microsoft.CodeAnalysis.VisualBasic.SyntaxKind kind3)
{
return(VisualBasicExtensions.Kind(token) == kind1 ||
VisualBasicExtensions.Kind(token) == kind2 ||
VisualBasicExtensions.Kind(token) == kind3);
}
public static bool HasMatchingText(this SyntaxToken token, Microsoft.CodeAnalysis.VisualBasic.SyntaxKind kind)
{
return(token.ToString() == VBasic.SyntaxFacts.GetText(kind));
}
public static bool IsKindOrHasMatchingText(this SyntaxToken token, Microsoft.CodeAnalysis.VisualBasic.SyntaxKind kind)
{
return(VisualBasicExtensions.Kind(token) == kind || token.HasMatchingText(kind));
}
private static LambdaHeaderSyntax CreateFunctionHeader(SyntaxTokenList modifiers, ParameterListSyntax parameterList,
out EndBlockStatementSyntax endBlock, out SyntaxKind multiLineExpressionKind)
{
LambdaHeaderSyntax header;
header = SyntaxFactory.FunctionLambdaHeader(SyntaxFactory.List <AttributeListSyntax>(),
ConvertModifiers(modifiers, SyntaxKindExtensions.TokenContext.Local), parameterList, null);
endBlock = SyntaxFactory.EndBlockStatement(SyntaxKind.EndFunctionStatement,
SyntaxFactory.Token(SyntaxKind.FunctionKeyword));
multiLineExpressionKind = SyntaxKind.MultiLineFunctionLambdaExpression;
return(header);
}
public KeywordPair(CS.SyntaxKind cs, VB.SyntaxKind vb, System.AttributeTargets target = AttributeTargets.All)
{
CS = cs;
VB = vb;
Targets = target;
}
static SyntaxKind ConvertToken(VBasic.SyntaxKind t, TokenContext context = TokenContext.Global)
{
switch (t)
{
case VBasic.SyntaxKind.None:
return(SyntaxKind.None);
// built-in types
case VBasic.SyntaxKind.BooleanKeyword:
return(SyntaxKind.BoolKeyword);
case VBasic.SyntaxKind.ByteKeyword:
return(SyntaxKind.ByteKeyword);
case VBasic.SyntaxKind.SByteKeyword:
return(SyntaxKind.SByteKeyword);
case VBasic.SyntaxKind.ShortKeyword:
return(SyntaxKind.ShortKeyword);
case VBasic.SyntaxKind.UShortKeyword:
return(SyntaxKind.UShortKeyword);
case VBasic.SyntaxKind.IntegerKeyword:
return(SyntaxKind.IntKeyword);
case VBasic.SyntaxKind.UIntegerKeyword:
return(SyntaxKind.UIntKeyword);
case VBasic.SyntaxKind.LongKeyword:
return(SyntaxKind.LongKeyword);
case VBasic.SyntaxKind.ULongKeyword:
return(SyntaxKind.ULongKeyword);
case VBasic.SyntaxKind.DoubleKeyword:
return(SyntaxKind.DoubleKeyword);
case VBasic.SyntaxKind.SingleKeyword:
return(SyntaxKind.FloatKeyword);
case VBasic.SyntaxKind.DecimalKeyword:
return(SyntaxKind.DecimalKeyword);
case VBasic.SyntaxKind.StringKeyword:
return(SyntaxKind.StringKeyword);
case VBasic.SyntaxKind.CharKeyword:
return(SyntaxKind.CharKeyword);
case VBasic.SyntaxKind.ObjectKeyword:
return(SyntaxKind.ObjectKeyword);
// literals
case VBasic.SyntaxKind.NothingKeyword:
return(SyntaxKind.NullKeyword);
case VBasic.SyntaxKind.TrueKeyword:
return(SyntaxKind.TrueKeyword);
case VBasic.SyntaxKind.FalseKeyword:
return(SyntaxKind.FalseKeyword);
case VBasic.SyntaxKind.MeKeyword:
return(SyntaxKind.ThisKeyword);
case VBasic.SyntaxKind.MyBaseKeyword:
return(SyntaxKind.BaseKeyword);
// modifiers
case VBasic.SyntaxKind.PublicKeyword:
return(SyntaxKind.PublicKeyword);
case VBasic.SyntaxKind.FriendKeyword:
return(SyntaxKind.InternalKeyword);
case VBasic.SyntaxKind.ProtectedKeyword:
return(SyntaxKind.ProtectedKeyword);
case VBasic.SyntaxKind.PrivateKeyword:
return(SyntaxKind.PrivateKeyword);
case VBasic.SyntaxKind.ByRefKeyword:
return(SyntaxKind.RefKeyword);
case VBasic.SyntaxKind.ParamArrayKeyword:
return(SyntaxKind.ParamsKeyword);
case VBasic.SyntaxKind.ReadOnlyKeyword:
return(SyntaxKind.ReadOnlyKeyword);
case VBasic.SyntaxKind.OverridesKeyword:
return(SyntaxKind.OverrideKeyword);
case VBasic.SyntaxKind.SharedKeyword:
return(SyntaxKind.StaticKeyword);
case VBasic.SyntaxKind.ConstKeyword:
return(SyntaxKind.ConstKeyword);
case VBasic.SyntaxKind.PartialKeyword:
return(SyntaxKind.PartialKeyword);
// unary operators
case VBasic.SyntaxKind.UnaryMinusExpression:
return(SyntaxKind.UnaryMinusExpression);
case VBasic.SyntaxKind.UnaryPlusExpression:
return(SyntaxKind.UnaryPlusExpression);
case VBasic.SyntaxKind.NotExpression:
return(SyntaxKind.LogicalNotExpression);
// binary operators
case VBasic.SyntaxKind.ConcatenateExpression:
case VBasic.SyntaxKind.AddExpression:
return(SyntaxKind.AddExpression);
case VBasic.SyntaxKind.SubtractExpression:
return(SyntaxKind.SubtractExpression);
case VBasic.SyntaxKind.MultiplyExpression:
return(SyntaxKind.MultiplyExpression);
case VBasic.SyntaxKind.DivideExpression:
return(SyntaxKind.DivideExpression);
case VBasic.SyntaxKind.AndAlsoExpression:
return(SyntaxKind.LogicalAndExpression);
case VBasic.SyntaxKind.OrElseExpression:
return(SyntaxKind.LogicalOrExpression);
case VBasic.SyntaxKind.OrExpression:
return(SyntaxKind.BitwiseOrExpression);
case VBasic.SyntaxKind.AndExpression:
return(SyntaxKind.BitwiseAndExpression);
case VBasic.SyntaxKind.ExclusiveOrExpression:
return(SyntaxKind.ExclusiveOrExpression);
case VBasic.SyntaxKind.EqualsExpression:
return(SyntaxKind.EqualsExpression);
case VBasic.SyntaxKind.NotEqualsExpression:
return(SyntaxKind.NotEqualsExpression);
case VBasic.SyntaxKind.GreaterThanExpression:
return(SyntaxKind.GreaterThanExpression);
case VBasic.SyntaxKind.GreaterThanOrEqualExpression:
return(SyntaxKind.GreaterThanOrEqualExpression);
case VBasic.SyntaxKind.LessThanExpression:
return(SyntaxKind.LessThanExpression);
case VBasic.SyntaxKind.LessThanOrEqualExpression:
return(SyntaxKind.LessThanOrEqualExpression);
// assignment
case VBasic.SyntaxKind.SimpleAssignmentStatement:
return(SyntaxKind.SimpleAssignmentExpression);
case VBasic.SyntaxKind.AddAssignmentStatement:
return(SyntaxKind.AddAssignmentExpression);
case VBasic.SyntaxKind.SubtractAssignmentStatement:
return(SyntaxKind.SubtractAssignmentExpression);
case VBasic.SyntaxKind.MultiplyAssignmentStatement:
return(SyntaxKind.MultiplyAssignmentExpression);
case VBasic.SyntaxKind.DivideAssignmentStatement:
return(SyntaxKind.DivideAssignmentExpression);
// Casts
case VBasic.SyntaxKind.CObjKeyword:
return(SyntaxKind.ObjectKeyword);
case VBasic.SyntaxKind.CBoolKeyword:
return(SyntaxKind.BoolKeyword);
case VBasic.SyntaxKind.CCharKeyword:
return(SyntaxKind.CharKeyword);
case VBasic.SyntaxKind.CSByteKeyword:
return(SyntaxKind.SByteKeyword);
case VBasic.SyntaxKind.CByteKeyword:
return(SyntaxKind.ByteKeyword);
case VBasic.SyntaxKind.CShortKeyword:
return(SyntaxKind.ShortKeyword);
case VBasic.SyntaxKind.CUShortKeyword:
return(SyntaxKind.UShortKeyword);
case VBasic.SyntaxKind.CIntKeyword:
return(SyntaxKind.IntKeyword);
case VBasic.SyntaxKind.CUIntKeyword:
return(SyntaxKind.UIntKeyword);
case VBasic.SyntaxKind.CLngKeyword:
return(SyntaxKind.LongKeyword);
case VBasic.SyntaxKind.CULngKeyword:
return(SyntaxKind.ULongKeyword);
case VBasic.SyntaxKind.CDecKeyword:
return(SyntaxKind.DecimalKeyword);
case VBasic.SyntaxKind.CSngKeyword:
return(SyntaxKind.FloatKeyword);
case VBasic.SyntaxKind.CDblKeyword:
return(SyntaxKind.DoubleKeyword);
case VBasic.SyntaxKind.CStrKeyword:
return(SyntaxKind.StringKeyword);
//
case VBasic.SyntaxKind.AssemblyKeyword:
return(SyntaxKind.AssemblyKeyword);
}
throw new NotSupportedException(t + " not supported!");
}
public static bool HasModifier(this VBSyntax.MethodBaseSyntax d, VBasic.SyntaxKind modifierKind)
{
return(d.Modifiers.Any(m => SyntaxTokenExtensions.IsKind(m, modifierKind)));
}
public static bool IsParentKind(this SyntaxNode node, VBasic.SyntaxKind kind)
{
return(node?.Parent.IsKind(kind) == true);
}
private async Task <SyntaxList <StatementSyntax> > AddLocalVariablesAsync(VBasic.VisualBasicSyntaxNode node, VBasic.SyntaxKind exitableType = default, bool isBreakableInCs = false)
{
_additionalLocals.PushScope(exitableType, isBreakableInCs);
try {
var convertedStatements = await _wrappedVisitor.Visit(node);
var withLocals = await _additionalLocals.CreateLocalsAsync(node, convertedStatements, _generatedNames, _semanticModel);
var allStatements = _additionalLocals.CreateStatements(node, withLocals, _generatedNames, _semanticModel);
if (isBreakableInCs && exitableType == VBasic.SyntaxKind.TryKeyword)
{
var doOnce = SyntaxFactory.DoStatement(SyntaxFactory.Block(allStatements), CommonConversions.Literal(false));
allStatements = SyntaxFactory.SingletonList <StatementSyntax>(doOnce);
}
return(allStatements);
} finally {
_additionalLocals.PopScope();
}
}
public static bool MatchesKind(this SyntaxTrivia trivia, VBasic.SyntaxKind kind1, VBasic.SyntaxKind kind2)
{
var triviaKind = VBasic.VisualBasicExtensions.Kind(trivia);
return(triviaKind == kind1 || triviaKind == kind2);
}
public static bool MatchesKind(this SyntaxTrivia trivia, VBasic.SyntaxKind kind)
{
return(VBasic.VisualBasicExtensions.Kind(trivia) == kind);
}
public record ScopeState(List <IHoistedNode> HoistedNodes, VBasic.SyntaxKind ExitableKind, bool IsBreakableInCs = false)
{
public BreakPair(CS.SyntaxKind cs, VB.SyntaxKind vb, VB.SyntaxKind exitTargetKeyword, System.AttributeTargets target = AttributeTargets.All)
: base(cs, vb, target)
{
this.ExitTargetKeyword = exitTargetKeyword;
}