private static TreeElementType rewrite(TreeElementType apply, List <Tuple <string, TreeElementType> > variables, ITreeManipulationFacade <TreeElementType> treeManipulationFacade)
{
if (treeManipulationFacade.getType(apply) == ITreeManipulationFacade <TreeElementType> .EnumTreeElementType.VARIABLE)
{
TreeElementType variableValue = (TreeElementType)getVariableByName(variables, treeManipulationFacade.getVariableName(apply)).Clone();
treeManipulationFacade.setType(variableValue, ITreeManipulationFacade <TreeElementType> .EnumTreeElementType.VALUE);
return(variableValue);
}
else
{
for (int i = 0; i < treeManipulationFacade.getNumberOfChildren(apply); i++)
{
TreeElementType iterationApplyChildren = treeManipulationFacade.getChildren(apply, i);
TreeElementType rewritten = rewrite(iterationApplyChildren, variables, treeManipulationFacade);
treeManipulationFacade.setChildren(apply, i, rewritten);
}
return(apply);
}
}
public static TreeElementType tryToApplyRulesRecursivly(List <Rule <TreeElementType> > rules, TreeElementType apply, ITreeManipulationFacade <TreeElementType> treeManipulationFacade)
{
TreeElementType rewritten = apply;
foreach (Rule <TreeElementType> iterationRule in rules)
{
if (doesSourceConditionMatch(iterationRule.matching, apply, treeManipulationFacade))
{
List <Tuple <string, TreeElementType> > variableAssignments = assignVariables(iterationRule, apply, treeManipulationFacade);
rewritten = rewrite(iterationRule.rewriteTarget, variableAssignments, treeManipulationFacade);
break;
}
}
for (int i = 0; i < treeManipulationFacade.getNumberOfChildren(rewritten); i++)
{
TreeElementType rwrittenChildren = tryToApplyRulesRecursivly(rules, treeManipulationFacade.getChildren(rewritten, i), treeManipulationFacade);
treeManipulationFacade.setChildren(rewritten, i, rwrittenChildren);
}
return(rewritten);
}