private static void GetPreviousBlock()
{
BlockSyntax block = root.DescendantNodes().OfType <BlockSyntax>().Where(n => n.HasAnnotation(currentBlock)).Single();
block = block.Parent as BlockSyntax;
currentBlock = block.GetAnnotations("Block").Single();
}
static BlockSyntax InjectLastCallFrameStatements(BlockSyntax blockNode)
{
var allStatements = blockNode.Statements;
List <StatementSyntax> list = new List <StatementSyntax>();
SyntaxAnnotation currentBlockAnnotation = blockNode.GetAnnotations(Annotations.AnnotationKind).FirstOrDefault();
if (currentBlockAnnotation != null)
{
var buildLastCallFrameExpression = BuildLastCallFrameExpression(currentBlockAnnotation.Data, 0);
if (buildLastCallFrameExpression != null)
{
list.Add(buildLastCallFrameExpression);
}
}
foreach (var syntaxNode in allStatements)
{
SyntaxAnnotation annotation = syntaxNode.GetAnnotations(Annotations.AnnotationKind).FirstOrDefault();
// the recordValue annotation is added to expressionSyntax nodes, but stacked nodes are
// wrapped in ExpressionStatementSyntax nodes when added to a stack's BlockSyntax.
SyntaxAnnotation recordValueAnnotation = null;
if (syntaxNode is ExpressionStatementSyntax ess)
{
recordValueAnnotation = ess.Expression.GetAnnotations(Annotations.RecordValueKind).FirstOrDefault();
}
// if the node is already wrapped in a recordValue(), we're done
if (annotation == null || recordValueAnnotation != null)
{
list.Add(syntaxNode);
continue;
}
int recordedValuesCount = syntaxNode.GetAnnotatedNodes(Annotations.RecordValueKind).Count();
ExpressionStatementSyntax buildLastCallFrameExpression = BuildLastCallFrameExpression(annotation.Data, recordedValuesCount);
if (buildLastCallFrameExpression != null)
{
list.Add(buildLastCallFrameExpression);
}
list.Add(syntaxNode);
}
return(blockNode.WithStatements(SyntaxFactory.List(list)));
}
internal static void ConvertIfToWhile()
{
//get current block
BlockSyntax block = Root.DescendantNodes().OfType <BlockSyntax>().Where(n => n.HasAnnotation(CurrentBlock)).Single();
if (!(block.Parent is IfStatementSyntax))
{
return;
}
//get if statement
IfStatementSyntax ifStatement = block.Parent as IfStatementSyntax;
//change it to a while
WhileStatementSyntax whileStatement = SyntaxFactory.WhileStatement(ifStatement.Condition, ifStatement.Statement);
//do the replacement
Root = Root.ReplaceNode(ifStatement, whileStatement);
BlockSyntax prevBlock = GetPreviousBlock();
CurrentBlock = prevBlock.GetAnnotations("Block").Single();
}
public static BlockSyntax GetPreviousBlock()
{
BlockSyntax block = Root.DescendantNodes().OfType <BlockSyntax>().Where(n => n.HasAnnotation(CurrentBlock)).Single();
BlockSyntax prevBlock = null;
if (block.Parent is ElseClauseSyntax elseStatement)
{
//ElseClauseSyntax elseStatement = block.Parent as ElseClauseSyntax;
IfStatementSyntax ifStatement = elseStatement.Parent as IfStatementSyntax;
prevBlock = ifStatement.Parent as BlockSyntax;
}
else if (block.Parent is IfStatementSyntax ifStatement)
{
//IfStatementSyntax ifStatement = block.Parent as IfStatementSyntax;
prevBlock = ifStatement.Parent as BlockSyntax;
}
else if (block.Parent is WhileStatementSyntax whileStatement)
{
//IfStatementSyntax ifStatement = block.Parent as IfStatementSyntax;
prevBlock = whileStatement.Parent as BlockSyntax;
}
else
{
prevBlock = block.Parent as BlockSyntax;
}
if (prevBlock == null)
{
//CurrentBlock = null;
return(block);
}
CurrentBlock = prevBlock.GetAnnotations("Block").Single();
return(prevBlock);
}
public static void SetBlockAsCurrent(BlockSyntax block)
{
CurrentBlock = block.GetAnnotations("Block").Single();
}