public ScriptQualifiedName(AstNodeArgs args)
: base(args)
{
IsVariable = false;
NextFirst = false;
IsVar = false;
if (ChildNodes.Count == 2 && ChildNodes[1].ChildNodes.Count == 0)
{
_identifier = ExtractId(((TokenAst)ChildNodes[0]).Text);
IsVariable = true;
_evaluation = EvaluateIdentifier;
_assignment = AssignIdentifier;
}
else
if (ChildNodes[0] is TokenAst && ChildNodes[1].ChildNodes.Count != 0)
{
_identifier = ExtractId(((TokenAst)ChildNodes[0]).Text);
//NOTE: There might be two cases:
// 1) a()[]...()
// 2) a<>.(NamePart)
_modifiers = new List <ScriptAst>();
foreach (ScriptAst node in ChildNodes[1].ChildNodes)
{
_modifiers.Add(node);
}
var generic = _modifiers.FirstOrDefault() as ScriptGenericsPostfix;
if (generic != null && _modifiers.Count == 1)
{
//Case 2
_evaluation = EvaluateGenericType;
_assignment = null;
}
else
{
//Case 1
_evaluation = EvaluateFunctionCall;
_assignment = AssignArray;
}
}
else
{
_namePart = ChildNodes[0] as ScriptQualifiedName;
_identifier = ExtractId(((TokenAst)ChildNodes[2]).Text);
NextFirst = true;
if (ChildNodes.Count == 4 && ChildNodes[3].ChildNodes.Count != 0)
{
_modifiers = new List <ScriptAst>();
foreach (ScriptAst node in ChildNodes[3].ChildNodes)
{
_modifiers.Add(node);
}
}
_evaluation = EvaluateNamePart;
_assignment = AssignNamePart;
}
}
public ScriptAssignExpr(AstNodeArgs args)
: base(args)
{
var varExpr = args.ChildNodes[0] as ScriptVarExpr;
if (varExpr != null)
{
var id = varExpr.ChildNodes[1] as TokenAst;
_nameExpr = new ScriptQualifiedName(new AstNodeArgs(args.Term, args.Span,
new AstNodeList { id, new AstNode(new AstNodeArgs(args.Term, new SourceSpan(new SourceLocation(0, 0, 0), 0), new AstNodeList())) })) { IsVar = true };
}
else
{
_nameExpr = (ScriptQualifiedName)args.ChildNodes[0];
}
_oper = ((TokenAst)args.ChildNodes[1]).Text;
if (args.ChildNodes.Count == 3)
_rightExpr = (ScriptExpr)args.ChildNodes[2];
Debug.Assert(_oper == "=" || _oper == ":=" || _oper == "+=" || _oper == "-=" || _oper == "++" || _oper == "--" || _oper == ":=");
switch (_oper)
{
case "=":
_assignOperation = Assign;
break;
case ":=":
_assignOperation = AssignEx;
break;
case "++":
_assignOperation = PlusPlus;
break;
case "--":
_assignOperation = MinusMinus;
break;
case "+=":
_assignOperation = PlusEqual;
break;
case "-=":
_assignOperation = MinusEqual;
break;
default:
throw new System.InvalidOperationException(string.Format(Strings.AssignmentOperatorNotSupported, _oper));
}
_minus = RuntimeHost.GetBinaryOperator(OperatorCodes.Sub);
_plus = RuntimeHost.GetBinaryOperator(OperatorCodes.Add);
if (_plus == null || _minus == null)
throw new ScriptRuntimeException(string.Format(Strings.MissingOperatorError, "+,-"));
}
private void ScopeBeforeSetItem(IScriptScope sender, ScopeArgs args)
{
//TODO: Performance improvement. Should be evaluated once per function call
List <string> globalNames = GetGlobalNames(_activeContext);
if (globalNames.Contains(args.Name))
{
ScriptQualifiedName.SetToParentScope(sender.Parent, args.Name, args.Value);
args.Cancel = true;
}
//if (!sender.HasVariable(args.Name))
//{
// args.Cancel = SetToParentScope(sender.Parent, args.Name, args.Value);
//}
}
private void ScopeBeforeSetItem(IScriptScope sender, ScopeArgs args)
{
if (_globalNames.Contains(args.Name))
{
switch (args.Operation)
{
case ScopeOperation.Set:
ScriptQualifiedName.SetToParentScope(sender.Parent, args.Name, args.Value);
args.Cancel = true;
break;
case ScopeOperation.Create:
throw new ScriptExecutionException(string.Format(Strings.LocalIdConflictWithGlobalList, args.Name));
default:
break;
}
}
}
public ScriptQualifiedName(AstNodeArgs args)
: base(args)
{
IsVariable = false;
NextFirst = false;
IsVar = false;
if (ChildNodes.Count == 2 && ChildNodes[1].ChildNodes.Count == 0)
{
_identifier = ExtractId(((TokenAst)ChildNodes[0]).Text);
IsVariable = true;
_evaluation = EvaluateIdentifier;
_assignment = AssignIdentifier;
}
else
if (ChildNodes[0] is TokenAst && ChildNodes[1].ChildNodes.Count != 0)
{
_identifier = ExtractId(((TokenAst)ChildNodes[0]).Text);
//NOTE: There might be two cases:
// 1) a()[]...()
// 2) a<>.(NamePart)
_modifiers = new List<ScriptAst>();
foreach (ScriptAst node in ChildNodes[1].ChildNodes)
_modifiers.Add(node);
var generic = _modifiers.FirstOrDefault() as ScriptGenericsPostfix;
if (generic != null && _modifiers.Count == 1)
{
//Case 2
_evaluation = EvaluateGenericType;
_assignment = null;
}
else
{
//Case 1
_evaluation = EvaluateFunctionCall;
_assignment = AssignArray;
}
}
else
{
_namePart = ChildNodes[0] as ScriptQualifiedName;
_identifier = ExtractId(((TokenAst)ChildNodes[2]).Text);
NextFirst = true;
if (ChildNodes.Count == 4 && ChildNodes[3].ChildNodes.Count != 0)
{
_modifiers = new List<ScriptAst>();
foreach (ScriptAst node in ChildNodes[3].ChildNodes)
{
_modifiers.Add(node);
}
}
_evaluation = EvaluateNamePart;
_assignment = AssignNamePart;
}
}
public ScriptUsingStatement(AstNodeArgs args)
: base(args)
{
_name = args.ChildNodes[1] as ScriptQualifiedName;
_statement = args.ChildNodes[2] as ScriptAst;
}
public ScriptAssignExpr(AstNodeArgs args)
: base(args)
{
var varExpr = args.ChildNodes[0] as ScriptVarExpr;
if (varExpr != null)
{
var id = varExpr.ChildNodes[1] as TokenAst;
_nameExpr = new ScriptQualifiedName(new AstNodeArgs(args.Term, args.Span,
new AstNodeList {
id, new AstNode(new AstNodeArgs(args.Term, new SourceSpan(new SourceLocation(0, 0, 0), 0), new AstNodeList()))
}))
{
IsVar = true
};
}
else
{
_nameExpr = (ScriptQualifiedName)args.ChildNodes[0];
}
_oper = ((TokenAst)args.ChildNodes[1]).Text;
if (args.ChildNodes.Count == 3)
{
_rightExpr = (ScriptExpr)args.ChildNodes[2];
}
Debug.Assert(_oper == "=" || _oper == ":=" || _oper == "+=" || _oper == "-=" || _oper == "++" || _oper == "--" || _oper == ":=");
switch (_oper)
{
case "=":
_assignOperation = Assign;
break;
case ":=":
_assignOperation = AssignEx;
break;
case "++":
_assignOperation = PlusPlus;
break;
case "--":
_assignOperation = MinusMinus;
break;
case "+=":
_assignOperation = PlusEqual;
break;
case "-=":
_assignOperation = MinusEqual;
break;
default:
throw new System.InvalidOperationException(string.Format(Strings.AssignmentOperatorNotSupported, _oper));
}
_minus = RuntimeHost.GetBinaryOperator(OperatorCodes.Sub);
_plus = RuntimeHost.GetBinaryOperator(OperatorCodes.Add);
if (_plus == null || _minus == null)
{
throw new ScriptRuntimeException(string.Format(Strings.MissingOperatorError, "+,-"));
}
}
public ScriptUsingStatement(AstNodeArgs args)
: base(args)
{
_name = args.ChildNodes[1] as ScriptQualifiedName;
_statement = args.ChildNodes[2] as ScriptAst;
}