| public static AddReplacementAnnotation ( AstNode node, AstNode replacedNode ) : void | ||
| node | AstNode | |
| replacedNode | AstNode | |
| return | void | |
void AddNewVariable(IVariable variable, Expression initializer, AstNode node)
{
var variablePath = new AccessPath(variable);
var rightResolveResult = context.Resolve(initializer) as LocalResolveResult;
if (rightResolveResult != null)
{
var rightPath = AccessPath.FromResolveResult(rightResolveResult);
if (rightPath != null && accessPaths.ContainsKey(rightPath))
{
var rightInitializer = accessPaths [rightPath];
ReplacementNodeHelper.AddReplacementAnnotation(rightInitializer, node);
accessPaths.Remove(rightPath);
accessPaths [variablePath] = rightInitializer;
if (rightPath == mainAccessPath)
{
mainAccessPath = variablePath;
}
}
}
else
{
accessPaths [variablePath] = ReplacementNodeHelper.CloneWithReplacementAnnotation(initializer, node);
}
}
bool TryHandleAddCall(ExpressionStatement expressionStatement)
{
var invocationExpression = expressionStatement.Expression as InvocationExpression;
if (invocationExpression == null)
{
return(false);
}
var invocationResolveResult = context.Resolve(invocationExpression) as InvocationResolveResult;
if (invocationResolveResult == null)
{
return(false);
}
if (invocationResolveResult.Member.Name != "Add")
{
return(false);
}
var targetResult = invocationResolveResult.TargetResult;
if (targetResult is MemberResolveResult)
{
return(false);
}
var tuple = new ArrayInitializerExpression();
foreach (var argument in invocationExpression.Arguments)
{
var argumentLocalResolveResult = context.Resolve(argument) as LocalResolveResult;
if (argumentLocalResolveResult != null)
{
var initializerPath = AccessPath.FromResolveResult(argumentLocalResolveResult);
if (initializerPath == null || !accessPaths.ContainsKey(initializerPath))
{
return(false);
}
// Add a clone, since we do not yet know if this is where the initializer will be used
var initializerClone = accessPaths[initializerPath].Clone();
tuple.Elements.Add(initializerClone);
}
else
{
tuple.Elements.Add(argument.Clone());
}
}
ReplacementNodeHelper.AddReplacementAnnotation(tuple, expressionStatement);
var targetPath = AccessPath.FromResolveResult(targetResult);
if (targetPath == null || !accessPaths.ContainsKey(targetPath))
{
return(false);
}
InsertImplicitInitializersForPath(targetPath);
var targetInitializer = accessPaths [targetPath];
AddToInitializer(targetInitializer, tuple);
return(true);
}
bool PushAssignment(Expression left, Expression right, AstNode node)
{
var rightResolveResult = context.Resolve(right) as LocalResolveResult;
var leftResolveResult = context.Resolve(left);
Expression initializer;
if (rightResolveResult != null)
{
var rightPath = AccessPath.FromResolveResult(rightResolveResult);
if (accessPaths.ContainsKey(rightPath))
{
initializer = accessPaths [rightPath];
}
else
{
initializer = right.Clone();
}
}
else
{
initializer = right.Clone();
}
var leftPath = AccessPath.FromResolveResult(leftResolveResult);
if (leftPath == null)
{
return(false);
}
// Move replacement annotations over, in case this is the second assignment
// to the same variable/member.
AddOldAnnotationsToInitializer(leftPath, initializer);
if (leftPath.PartCount == 1)
{
ReplacementNodeHelper.AddReplacementAnnotation(initializer, node);
accessPaths [leftPath] = initializer;
return(true);
}
if (!(leftResolveResult is MemberResolveResult))
{
return(false);
}
Debug.Assert(leftPath.PartCount > 1, "No top level assignment should get here.");
var parentKey = leftPath.GetParentPath();
var member = leftPath.MemberPath.Last();
var success = InsertImplicitInitializersForPath(parentKey);
if (!success)
{
return(false);
}
var parentInitializer = accessPaths [parentKey];
AddToInitializer(parentInitializer, comments.ToArray());
comments.Clear();
AddToInitializer(parentInitializer, new NamedExpression(member.Name, initializer, null));
ReplacementNodeHelper.AddReplacementAnnotation(initializer, node);
accessPaths [leftPath] = initializer;
return(true);
}