private void PushIsInstanceScope(Node node, KeyValuePair <NameExpression, Expression>[] isInstanceNames, SuiteStatement effectiveSuite)
{
InterpreterScope scope;
if (!_curUnit.InterpreterScope.TryGetNodeScope(node, out scope))
{
// find our parent scope, it may not be just the last entry in _scopes
// because that can be a StatementScope and we would start a new range.
var declScope = _scope.EnumerateTowardsGlobal.FirstOrDefault(s => !(s is StatementScope));
scope = new IsInstanceScope(node.StartIndex, effectiveSuite, declScope);
declScope.Children.Add(scope);
declScope.AddNodeScope(node, scope);
_scope = scope;
}
}
public override bool Walk(SuiteStatement node)
{
var prevSuite = _curSuite;
_curSuite = node;
// recursively walk the statements in the suite
if (node.Statements != null)
{
foreach (var innerNode in node.Statements)
{
innerNode.Walk(this);
}
}
_curSuite = prevSuite;
// then check if we encountered an assert which added an isinstance scope.
IsInstanceScope isInstanceScope = _scope as IsInstanceScope;
if (isInstanceScope != null && isInstanceScope._effectiveSuite == node)
{
// pop the isinstance scope
_scope = _scope.OuterScope;
// transform back into a line number and start the new statement scope on the line
// after the suite statement.
var lineNo = _tree.IndexToLocation(node.EndIndex).Line;
int offset;
if (_tree.NewLineLocations.Length == 0)
{
// single line input
offset = 0;
}
else
{
offset = lineNo < _tree.NewLineLocations.Length
? _tree.NewLineLocations[lineNo].EndIndex
: _tree.NewLineLocations[_tree.NewLineLocations.Length - 1].EndIndex;
}
var closingScope = new StatementScope(offset, _scope);
_scope.Children.Add(closingScope);
_scope = closingScope;
}
return(false);
}
private void PushIsInstanceScope(Node node, KeyValuePair<NameExpression, Expression>[] isInstanceNames, SuiteStatement effectiveSuite) {
InterpreterScope scope;
if (!_curUnit.Scope.TryGetNodeScope(node, out scope)) {
// find our parent scope, it may not be just the last entry in _scopes
// because that can be a StatementScope and we would start a new range.
var declScope = _scope.EnumerateTowardsGlobal.FirstOrDefault(s => !(s is StatementScope));
scope = new IsInstanceScope(node.StartIndex, effectiveSuite, declScope);
declScope.Children.Add(scope);
declScope.AddNodeScope(node, scope);
_scope = scope;
}
}