public override IExpression VisitLiteralExpression(LiteralExpressionSyntax node)
{
var o = this.semanticModel.GetTypeInfo(node);
switch (node.CSharpKind())
{
case SyntaxKind.NumericLiteralExpression:
case SyntaxKind.CharacterLiteralExpression:
case SyntaxKind.FalseLiteralExpression:
case SyntaxKind.StringLiteralExpression:
case SyntaxKind.TrueLiteralExpression:
return(new CompileTimeConstant()
{
Type = mapper.Map(o.Type), Value = node.Token.Value,
});
case SyntaxKind.NullLiteralExpression:
return(new CompileTimeConstant()
{
Type = this.host.PlatformType.SystemObject, Value = null,
});
default:
throw new InvalidDataException("VisitPrimaryExpression passed an unknown node kind: " + node.CSharpKind());
}
}
public override SyntaxNode VisitLiteralExpression(LiteralExpressionSyntax node)
{
if (node.CSharpKind() != SyntaxKind.StringLiteralExpression)
{
return(node);
}
var pos = node.GetLocation().GetMappedLineSpan();
var result = OnRewrite(pos.StartLinePosition.Line + 1, pos.StartLinePosition.Character + 1, Utils.EscapeString(node.Token.ValueText));
if (result == null)
{
return(node);
}
ExpressionSyntax newNode = null;
foreach (var name in result.Split('.'))
{
if (newNode == null)
{
newNode = SyntaxFactory.IdentifierName(name);
}
else
{
newNode = SyntaxFactory.MemberAccessExpression(SyntaxKind.SimpleMemberAccessExpression, newNode, SyntaxFactory.IdentifierName(name));
}
}
return(newNode.WithLeadingTrivia(node.GetLeadingTrivia()).WithTrailingTrivia(node.GetTrailingTrivia()));
}
public static string LiteralExpression(LiteralExpressionSyntax node)
{
switch (node.CSharpKind())
{
case SyntaxKind.CharacterLiteralExpression:
//this is sketch, probably shouldn't use char literals o.o
return('"' + node.Token.ValueText.Replace("\\'", "'").Replace("\"", "\\\"") + '"');
default:
return(node.ToString());
}
}
public static string LiteralExpression(LiteralExpressionSyntax expression)
{
switch (expression.CSharpKind())
{
//Swift doesn't use the same 'c' character literal syntax, instead you create a String and type annotate it as a Character
case SyntaxKind.CharacterLiteralExpression:
//this is sketch, probably shouldn't use char literals o.o
return('"' + expression.Token.ValueText.Replace("\\'", "'").Replace("\"", "\\\"") + '"');
default:
return(expression.ToString());
}
}
public override SyntaxNode VisitLiteralExpression(LiteralExpressionSyntax node)
{
if (node.CSharpKind() != SyntaxKind.StringLiteralExpression) return node;
var pos = node.GetLocation().GetMappedLineSpan();
var result = OnRewrite(pos.StartLinePosition.Line + 1, pos.StartLinePosition.Character + 1, Source.Lines[pos.StartLinePosition.Line].ToString(), node.Token.ValueText);
if (result == null) return node;
var names = result.Split('.');
ExpressionSyntax newNode = SyntaxFactory.IdentifierName(names.First());
foreach (var name in names.Skip(1))
{
newNode = SyntaxFactory.MemberAccessExpression(SyntaxKind.SimpleMemberAccessExpression, newNode, SyntaxFactory.IdentifierName(name));
}
return newNode.WithLeadingTrivia(node.GetLeadingTrivia()).WithTrailingTrivia(node.GetTrailingTrivia());
}
public static string LiteralExpression(LiteralExpressionSyntax expression)
{
switch (expression.CSharpKind())
{
//Swift doesn't use the same 'c' character literal syntax, instead you create a String and type annotate it as a Character
case SyntaxKind.CharacterLiteralExpression:
//this is sketch, probably shouldn't use char literals o.o
return '"' + expression.Token.ValueText.Replace("\\'", "'").Replace("\"", "\\\"") + '"';
default:
return expression.ToString();
}
}
public static bool Qualifies(LiteralExpressionSyntax node)
{
return node.CSharpKind() == SyntaxKind.StringLiteralExpression;
}