protected override void BeginProcessing()
{
//Initialize dictionaries for speeding up searches
foreach (var inputVar in CodeBlock.InputVariables)
{
_inputVars.Add(inputVar.LowLevelName, inputVar);
}
foreach (var tempVar in CodeBlock.TempVariables)
{
_oldTempVars.Add(tempVar.LowLevelName, tempVar);
}
//Add output variables and create new temp variables
foreach (var outputVar in CodeBlock.OutputVariables)
{
AddOutputVariable(outputVar);
}
CodeBlock.ComputedVariables.Clear();
CodeBlock.ComputedVariables.AddRange(_newTempVars.Select(pair => pair.Value));
CodeBlock.ComputedVariables.AddRange(_outputVars);
TcbDependencyUpdate.Process(CodeBlock);
}
internal static GMacCodeBlock Process(GMacCodeBlock codeBlock)
{
var processor = new TcbDependencyUpdate(codeBlock);
processor.BeginProcessing();
return(codeBlock);
}
protected override void BeginProcessing()
{
_lastUsedVarName = String.Empty;
AddInputVariables();
AddComputedVariables();
CodeBlock.SetLastUsedVarName(_lastUsedVarName);
TcbDependencyUpdate.Process(CodeBlock);
}
protected override void BeginProcessing()
{
//Fill dictionary of RHS expressions uses
foreach (var tempVar in CodeBlock.TempVariables)
{
AddRhsExprUse(tempVar);
}
//Select sub-expressions with multiple uses
var selectedLists =
_rhsExprUseDictionary
.Select(pair => pair.Value)
.Where(list => list.Count > 1);
//A list for marking duplicate temp variables to be deleted from code block
var removedTempsList = new List <GMacCbTempVariable>();
foreach (var tempVarList in selectedLists)
{
//The temp variable to keep
var tempVarNew = tempVarList[0];
//Iterate over all duplicate temp variables to be replaced and removed
foreach (var tempVarOld in tempVarList.Skip(1))
{
//Mark the duplicate for removal
removedTempsList.Add(tempVarOld);
//Replace the duplicate temp by the temp variable to keep
foreach (var computedVar in tempVarOld.UserVariables)
{
computedVar.ReplaceRhsTempVariable(tempVarOld, tempVarNew);
}
}
}
//Remove all duplicate temps from code block
for (var j = removedTempsList.Count - 1; j >= 0; j--)
{
CodeBlock.ComputedVariables.RemoveAt(removedTempsList[j].ComputationOrder);
}
//Update dependency information if needed
if (removedTempsList.Count > 0)
{
TcbDependencyUpdate.Process(CodeBlock);
}
}
protected override void BeginProcessing()
{
//Add all RHS expressions and subexpressions of all computed variables to a list
foreach (var computedVar in CodeBlock.ComputedVariables)
{
AddSubExpressions(computedVar);
}
//Select which temp variables to add to the final computations list
UpdateRelevantComputations();
//Replace sub-expressions used multiple times in computations by their temp variables
PropagateSubExpressions();
//Update code block
CodeBlock.ComputedVariables = _computedVarsList;
TcbDependencyUpdate.Process(CodeBlock);
}