private MSAst.Expression VisitComprehension(Comprehension comprehension)
{
var newScope = (ComprehensionScope)comprehension.Scope.CopyForRewrite();
newScope.Parent = _curScope;
var newComprehension = comprehension.CopyForRewrite(newScope);
ScopeStatement prevScope = _curScope;
try {
// rewrite the comprehension in a new scope
_curScope = newScope;
return(base.VisitExtension(newComprehension));
} finally {
_curScope = prevScope;
}
}
private MSAst.Expression VisitComprehension(Comprehension comprehension)
{
var newScope = (ComprehensionScope)comprehension.Scope.CopyForRewrite();
newScope.Parent = _curScope;
var newComprehension = comprehension.CopyForRewrite(newScope);
ScopeStatement prevScope = _curScope;
try {
// mark the first (outermost) "for" iterator for rewrite in the current scope
_outerComprehensionScopes[((ComprehensionFor)comprehension.Iterators[0]).List] = _curScope;
// rewrite the rest of comprehension in the new scope
_curScope = newScope;
return(base.VisitExtension(newComprehension));
} finally {
_curScope = prevScope;
}
}