private void GetNodesInBlock(ILBlock block)
{
foreach (ILNode child in block.GetChildren())
{
GetNodes(child);
}
}
protected virtual ILBlock VisitBlock(ILBlock block)
{
foreach (var child in block.GetChildren())
{
Visit(child);
}
return(block);
}
Ast.BlockStatement TransformBlock(ILBlock block)
{
Ast.BlockStatement astBlock = new BlockStatement();
if (block != null) {
foreach(ILNode node in block.GetChildren()) {
astBlock.AddRange(TransformNode(node));
}
}
return astBlock;
}
void FlattenBasicBlocks(ILNode node)
{
ILBlock block = node as ILBlock;
if (block != null)
{
List <ILNode> flatBody = new List <ILNode>();
foreach (ILNode child in block.GetChildren())
{
FlattenBasicBlocks(child);
ILBasicBlock childAsBB = child as ILBasicBlock;
if (childAsBB != null)
{
if (!(childAsBB.Body.FirstOrDefault() is ILLabel))
{
throw new Exception("Basic block has to start with a label. \n" + childAsBB.ToString());
}
if (childAsBB.Body.LastOrDefault() is ILExpression && !childAsBB.Body.LastOrDefault().IsUnconditionalControlFlow())
{
throw new Exception("Basci block has to end with unconditional control flow. \n" + childAsBB.ToString());
}
flatBody.AddRange(childAsBB.GetChildren());
}
else
{
flatBody.Add(child);
}
}
block.EntryGoto = null;
block.Body = flatBody;
}
else if (node is ILExpression)
{
// Optimization - no need to check expressions
}
else if (node != null)
{
// Recursively find all ILBlocks
foreach (ILNode child in node.GetChildren())
{
FlattenBasicBlocks(child);
}
}
}
Ast.BlockStatement TransformBlock(ILBlock block)
{
Ast.BlockStatement astBlock = new BlockStatement();
if (block != null) {
astBlock.HiddenStart = NRefactoryExtensions.CreateHidden(block.ILRanges, astBlock.HiddenStart);
astBlock.HiddenEnd = NRefactoryExtensions.CreateHidden(block.EndILRanges, astBlock.HiddenEnd);
foreach(ILNode node in block.GetChildren()) {
astBlock.Statements.AddRange(TransformNode(node));
}
}
return astBlock;
}
Ast.BlockStatement TransformBlock(ILBlock block)
{
Ast.BlockStatement astBlock = new BlockStatement();
if (block != null) {
astBlock.HiddenStart = NRefactoryExtensions.CreateHidden(!context.CalculateILRanges ? null : ILRange.OrderAndJoin(block.ILRanges), astBlock.HiddenStart);
astBlock.HiddenEnd = NRefactoryExtensions.CreateHidden(!context.CalculateILRanges ? null : ILRange.OrderAndJoin(block.EndILRanges), astBlock.HiddenEnd);
foreach(ILNode node in block.GetChildren()) {
var stmt = TransformNode(node);
if (stmt != null)
astBlock.Statements.Add(stmt);
}
}
return astBlock;
}
protected virtual ILBlock VisitBlock(ILBlock block)
{
foreach (var child in block.GetChildren())
Visit(child);
return block;
}