public static void SetAnnotations(List <VariableDeclarationStatementSyntax> annotations)
{
if (annotations == null || !_varValid)
{
return;
}
_activeVar.Annotations = new Dictionary <string, string>();
foreach (VariableDeclarationStatementSyntax vdsSyntax in annotations)
{
SeparatedSyntaxList <VariableDeclaratorSyntax> sSyntaxList = vdsSyntax.Declaration.Variables;
if (sSyntaxList.Count != 1)
{
_varValid = false;
return;
}
VariableDeclaratorSyntax vdSyntax = sSyntaxList[0];
string key = vdSyntax.Identifier.ValueText;
EqualsValueClauseSyntax evcSyntax = (EqualsValueClauseSyntax)vdSyntax.Initializer;
string value = "";
if (evcSyntax.Value is StringLiteralExpressionSyntax)
{
StringLiteralExpressionSyntax sleSyntax = (StringLiteralExpressionSyntax)evcSyntax.Value;
List <SyntaxToken> tokens = sleSyntax.Tokens;
if (tokens.Count > 0)
{
value = tokens[0].ValueText;
}
}
else if (evcSyntax.Value is PrefixUnaryExpressionSyntax)
{
PrefixUnaryExpressionSyntax ueSyntax = (PrefixUnaryExpressionSyntax)evcSyntax.Value;
value = ueSyntax.ToString();
}
else if (evcSyntax.Value is LiteralExpressionSyntax)
{
LiteralExpressionSyntax ueSyntax = (LiteralExpressionSyntax)evcSyntax.Value;
value = ueSyntax.ToString();
}
else
{
throw new Exception("Unsupported annontation");
}
_activeVar.Annotations.Add(key, value);
}
}
public override SyntaxNode VisitPrefixUnaryExpression(PrefixUnaryExpressionSyntax node)
{
if (node.Kind() != SyntaxKind.UnaryMinusExpression)
{
return(base.VisitPrefixUnaryExpression(node));
}
var expression = node.Operand;
if (expression.Kind() != SyntaxKind.NumericLiteralExpression)
{
return(base.VisitPrefixUnaryExpression(node));
}
CheckCastContex(node);
string value = node.ToString();
bool found = false;
VirtualData constant = null;
foreach (var data in _virtualizationContext.data)
{
if (value.Equals(data.Name))
{
found = true;
constant = data;
break;
}
}
if (!found)
{
int index = _virtualizationContext.DataIndex;
string name = value;
SyntaxAnnotation indexMarker = new SyntaxAnnotation("index", index + "");
SyntaxAnnotation nameMarker = new SyntaxAnnotation("name", name);
SyntaxAnnotation constantMarker = new SyntaxAnnotation("type", "constant");
SyntaxAnnotation codeMarker = new SyntaxAnnotation("code", "undefined");
SyntaxAnnotation uniqueMarker = new SyntaxAnnotation("unique", "" + VirtualizationContext.UniqueId);
constant = new VirtualData();
constant.Index = index;
constant.Name = name;
var typeInfo = _virtualizationContext.semanticModel.GetTypeInfo(node);
var info = typeInfo.Type.ToString();
constant.Type = info;
constant.Node = node;
constant.DefaultValue = node;
constant.Annotations.Add(indexMarker);
constant.Annotations.Add(nameMarker);
constant.Annotations.Add(constantMarker);
constant.Annotations.Add(codeMarker);
constant.Annotations.Add(uniqueMarker);
_virtualizationContext.data.Add(constant);
}
// constants.Add(node);
ExpressionSyntax newNode = SyntaxFactoryExtensions.DataCodeVirtualAccess();
newNode = newNode.WithAdditionalAnnotations(constant.Annotations);
ExpressionSyntax newExpression;
if (CastEnabled)
{
newExpression = SyntaxFactory.CastExpression(SyntaxFactory.IdentifierName
(
@"" + constant.Type
),
newNode
);
}
else
{
newExpression = newNode;
}
//TODO: add annotations + comments
newExpression = newExpression.WithLeadingTrivia(node.GetLeadingTrivia())
.WithTrailingTrivia(node.GetTrailingTrivia())
;
return(newExpression);
}
public override TempComputeResult VisitPrefixUnaryExpression(PrefixUnaryExpressionSyntax node)
{
return(VisitUnaryExpression(node.Operand, node.OperatorToken.Text, true, node.ToString()));
}