private NonlocalStatement ParseNonlocalStmt() { if (_functions != null && _functions.Count == 0 && _classDepth == 0) { ReportSyntaxError("nonlocal declaration not allowed at module level"); } Eat(TokenKind.KeywordNonlocal); string localWhiteSpace = _tokenWhiteSpace; var start = GetStart(); List<string> commaWhiteSpace; List<string> namesWhiteSpace; var l = ReadNameList(out commaWhiteSpace, out namesWhiteSpace); var names = l.ToArray(); NonlocalStatement ret = new NonlocalStatement(names); ret.SetLoc(start, GetEnd()); if (_verbatim) { AddPreceedingWhiteSpace(ret, localWhiteSpace); AddListWhiteSpace(ret, commaWhiteSpace.ToArray()); AddNamesWhiteSpace(ret, namesWhiteSpace.ToArray()); } return ret; }
public override bool Walk(NonlocalStatement node) { CanComplete = IsActualExpression(node.Names); CommitByDefault = true; return base.Walk(node); }
public override bool Walk(NonlocalStatement node) { foreach (NameExpression nameNode in node.Names) { string n = nameNode.Name; if (n == null) { continue; } PythonVariable conflict; // Check current scope for conflicting variable bool assignedLocal = false; if (_currentScope.TryGetVariable(n, out conflict)) { // conflict? switch (conflict.Kind) { case VariableKind.Global: ReportSyntaxError(String.Format("name '{0}' is nonlocal and global", n), node); break; case VariableKind.Local: assignedLocal = true; ReportSyntaxWarning( String.Format( System.Globalization.CultureInfo.InvariantCulture, "name '{0}' is assigned to before nonlocal declaration", n ), node ); break; case VariableKind.Parameter: ReportSyntaxError( String.Format( System.Globalization.CultureInfo.InvariantCulture, "name '{0}' is a parameter and nonlocal", n), node); break; } } // Check for the name being referenced previously. If it has been, issue warning. if (_currentScope.IsReferenced(n) && !assignedLocal) { ReportSyntaxWarning( String.Format( System.Globalization.CultureInfo.InvariantCulture, "name '{0}' is used prior to nonlocal declaration", n), node); } if (conflict == null) { // no previously definied variables, add it to the current scope _currentScope.CreateVariable(n, VariableKind.Nonlocal); } _currentScope.AddNonLocalVariable(nameNode); nameNode.AddVariableReference(_globalScope, _bindRefs, Reference(n)); } return true; }
public override bool Walk(NonlocalStatement node) { UpdateLineInfo(node); return base.Walk(node); }
public override bool Walk(NonlocalStatement node) { foreach (var name in node.Names) { if (name.Name != null) { _scope.AddVariable(name.Name, CreateVariableInDeclaredScope(name)); } } return false; }
public override void PostWalk(NonlocalStatement node) { PostWalkWorker(node); }
// NonlocalStatement public override bool Walk(NonlocalStatement node) { return ShouldWalkWorker(node); }