public int GetLinkingCount(LinkedExprNode Node)
{
var Ret = 0;
if (this is LinkingNode)
{
var LinkingNode = this as LinkingNode;
if (LinkingNode.LinkedNode == Node)
{
Ret++;
}
}
for (var i = 0; i < LinkedNodes.Count; i++)
{
var Linked = LinkedNodes[i].Node;
Ret += Linked.GetLinkingCount(Node);
}
if (Children != null)
{
for (var i = 0; i < Children.Length; i++)
{
Ret += Children[i].GetLinkingCount(Node);
}
}
return(Ret);
}
public override PluginResult NewNode(ref ExpressionNode Node)
{
if (Node is StrExpressionNode)
{
var IdNode = Node as StrExpressionNode;
var Preproc = State.GlobalContainer.Preprocessor;
var Macro = Preproc.GetMacro(IdNode.Code.ToString());
if (IfDef)
{
Node = Parent.NewNode(Constants.GetBoolValue(Container, Macro != null, Node.Code));
return(Node == null ? PluginResult.Failed : PluginResult.Ready);
}
else if (Macro != null)
{
if (Macro.Value == null)
{
State.Messages.Add(MessageId.MacroWithoutValue, Node.Code);
return(PluginResult.Failed);
}
Macro.Used = true;
if (Macro.Parameters == null || Macro.Parameters.Count == 0)
{
Node = Macro.Value.Copy(Parent, Mode: BeginEndMode.None, Code: IdNode.Code);
}
else
{
Node = Parent.NewNode(new MacroExpressionNode(Macro, Node.Code));
}
return(Node == null ? PluginResult.Failed : PluginResult.Ready);
}
}
// ------------------------------------------------------------------------------------
else if (Node is OpExpressionNode)
{
var OpNode = Node as OpExpressionNode;
var Ch = OpNode.Children;
var Op = OpNode.Operator;
if (Op == Operator.Call && Ch[0] is MacroExpressionNode)
{
var MFunc = Ch[0] as MacroExpressionNode;
var Macro = MFunc.Macro;
Macro.Used = true;
if (Ch.Length != Macro.Parameters.Count + 1)
{
State.Messages.Add(MessageId.ParamCount, Node.Code);
return(PluginResult.Failed);
}
var Nodes = new AutoAllocatedList <ExpressionNode>();
var LnkNodes = new AutoAllocatedList <LinkedExprNode>();
for (var i = 1; i < Ch.Length; i++)
{
if (!(Ch[i] is OpExpressionNode))
{
Nodes.Add(Ch[i]);
}
else
{
var N = new LinkedExprNode(Ch[i]);
LnkNodes.Add(N);
Nodes.Add(new LinkingNode(N, Node.Code));
}
}
PluginFunc Func = (ref ExpressionNode x) =>
{
if (x is MacroArgNode)
{
var ArgIndex = (x as MacroArgNode).Index;
x = Nodes[ArgIndex].Copy(Parent, Mode: BeginEndMode.None);
return(x == null ? PluginResult.Failed : PluginResult.Ready);
}
return(PluginResult.Succeeded);
};
Node = Macro.Value.Copy(Parent, Func, BeginEndMode.None);
if (Node == null)
{
return(PluginResult.Failed);
}
Node.LinkedNodes.AddRange(LnkNodes);
Node = Parent.NewNode(Node);
return(Node == null ? PluginResult.Failed : PluginResult.Ready);
}
}
// ------------------------------------------------------------------------------------
if (!CheckMacroNodes(Node))
{
return(PluginResult.Failed);
}
else
{
return(PluginResult.Succeeded);
}
}
public LinkingNode(LinkedExprNode Node, CodeString Code, ExpressionFlags Flags = ExpressionFlags.None)
: base(Code, Flags)
{
this.LinkedNode = Node;
}
public override PluginResult NewNode(ref ExpressionNode Node)
{
if (!CheckChildrenIdNodes(Node))
{
return(PluginResult.Failed);
}
var TempRes = ResolveLinkingAssigment(ref Node);
if (TempRes != PluginResult.Succeeded)
{
return(TempRes);
}
var Extracted = false;
for (var i = 0; i < Node.LinkedNodes.Count; i++)
{
var LNode = Node.LinkedNodes[i];
SetIdNodeUsed(LNode.Node);
LNode.Node = Extract(LNode.Node, ref Extracted);
if (LNode.Node == null)
{
return(PluginResult.Failed);
}
}
var DontExtractProperties = false;
var Ch = Node.Children;
if (Node is OpExpressionNode)
{
var OpNode = Node as OpExpressionNode;
var Op = OpNode.Operator;
if (Operators.IsIncDec(Op))
{
var Linked = new LinkedExprNode(Ch[0]);
var AddSubCh = new ExpressionNode[2]
{
Parent.NewNode(new LinkingNode(Linked, Node.Code)),
Parent.NewNode(Constants.GetIntValue(Container, 1, Node.Code, true)),
};
if (AddSubCh[0] == null || AddSubCh[1] == null)
{
return(PluginResult.Failed);
}
Operator AddSubOp;
if (Op == Operator.Increase)
{
AddSubOp = Operator.Add;
}
else if (Op == Operator.Decrease)
{
AddSubOp = Operator.Subract;
}
else
{
throw new ApplicationException();
}
var AssignmentCh = new ExpressionNode[2]
{
Parent.NewNode(new LinkingNode(Linked, Node.Code)),
Parent.NewNode(new OpExpressionNode(AddSubOp, AddSubCh, Node.Code))
};
if (AssignmentCh[0] == null || AssignmentCh[1] == null)
{
return(PluginResult.Failed);
}
Node = new OpExpressionNode(Operator.Assignment, AssignmentCh, Node.Code);
Node.LinkedNodes.Add(Linked);
if ((Node = Parent.NewNode(Node)) == null)
{
return(PluginResult.Failed);
}
return(PluginResult.Ready);
}
else if (Op == Operator.Assignment)
{
PluginResult Res;
if (Ch[0] is IdExpressionNode && Ch[1] is IdExpressionNode)
{
var IdCh0 = Ch[0] as IdExpressionNode;
var IdCh1 = Ch[1] as IdExpressionNode;
if (IdCh0.Identifier.RealId is Variable && IdCh1.Identifier.RealId is Variable)
{
var Ch0NotUsed = Ch[1].CheckNodes(x =>
{
var xId = Expressions.GetIdentifier(x);
return(xId == null ? true : xId.RealId != IdCh0.Identifier.RealId);
});
if (Ch0NotUsed && DeclaredIds.Contains(IdCh1.Identifier.RealId))
{
var Ch1 = (ExpressionNode)IdCh1;
Res = ExpressionNode.ReplaceNodes(ref Ch1, Parent, (ref ExpressionNode x) =>
{
var Idx = x as IdExpressionNode;
if (Idx != null && Idx.Identifier.RealId == IdCh1.Identifier.RealId)
{
Vars.Remove(Idx);
x = new IdExpressionNode(IdCh0.Identifier, Idx.Code);
x.LinkedNodes.AddRange(Idx.LinkedNodes);
return(Parent.NewNode(ref x));
}
return(PluginResult.Succeeded);
});
Node = Ch1;
DeclaredIds.Remove(IdCh1.Identifier.RealId);
return(Res == PluginResult.Failed ? Res : PluginResult.Ready);
}
}
}
var Ch0 = Ch[0];
var Linked = (LinkedExprNode)null;
Res = Expressions.ProcessTuple(Parent, ref Ch0, (x, Index) =>
{
if (x is IdExpressionNode)
{
var IdNode = x as IdExpressionNode;
Vars.AssignedIds.Add(IdNode);
}
Func <ExpressionNode> Value = () =>
{
LinkedExprNode LLinked;
var Ch1 = Ch[1];
var Ret = Expressions.GetTupleMember(Parent, ref Ch1, Index, out LLinked);
Ch[1] = Ch1;
if (LLinked != null)
{
Linked = LLinked;
}
return(Ret);
};
var LRes = ExtractPropertySetter(x, Value, ref x, ref Extracted);
if (LRes == SimpleRecResult.Failed)
{
return(null);
}
return(x);
});
if (Res != PluginResult.Succeeded)
{
Ch0.LinkedNodes.AddRange(Node.LinkedNodes);
if (Linked != null)
{
Ch0.LinkedNodes.Add(Linked);
}
if (Res == PluginResult.Ready)
{
Node = Ch0;
}
return(Res);
}
SetIdNodeUsed(Ch[1]);
}
else if (Op == Operator.Member)
{
var IdCh1 = Ch[1] as IdExpressionNode;
if (IdCh1 != null && IdCh1.Identifier.RealId is Property)
{
Ch[0] = ExtractPropertyGetter(Ch[0], ref Extracted);
if (Ch[0] == null)
{
return(PluginResult.Failed);
}
DontExtractProperties = true;
}
SetIdNodeUsed(Ch);
}
else if (Op == Operator.Index)
{
var Id = Expressions.GetMemberIdentifier(Ch[0]);
if (Id != null && Id.RealId is Property)
{
for (var i = 1; i < Ch.Length; i++)
{
Ch[i] = ExtractPropertyGetter(Ch[i], ref Extracted);
if (Ch[i] == null)
{
return(PluginResult.Failed);
}
}
DontExtractProperties = true;
}
SetIdNodeUsed(Ch);
}
else if (Op == Operator.Address || Operators.IsReference(Op))
{
var IdCh0 = Ch[0] as IdExpressionNode;
if (IdCh0 != null)
{
if (Op == Operator.Reference_IdMustBeAssigned)
{
if (IdCh0 != null)
{
Vars.UsedBeforeAssignIds.Add(IdCh0);
}
}
else if (Op == Operator.Reference_IdGetsAssigned)
{
if (IdCh0 != null)
{
Vars.AssignedIds.Add(IdCh0);
}
if (!Expressions.IsLValue(Ch[0]))
{
State.Messages.Add(MessageId.AddressOfRValue, Node.Code);
return(PluginResult.Failed);
}
}
else
{
if (IdCh0 != null)
{
Vars.AddressUsed.Add(IdCh0);
}
}
}
}
else if (Op == Operator.Cast)
{
var From = Ch[0].Type;
var To = Expressions.GetIdentifier(Ch[1]);
if (To.RealId is PointerType && From.RealId is ArrayType && Ch[0] is IdExpressionNode)
{
var IdCh0 = Ch[0] as IdExpressionNode;
Vars.AddressUsed.Add(IdCh0);
}
else
{
SetIdNodeUsed(Ch);
}
}
else if (Op == Operator.Tuple)
{
DontExtractProperties = true;
}
else
{
SetIdNodeUsed(Ch);
}
}
else
{
SetIdNodeUsed(Ch);
}
if (Ch != null)
{
for (var i = 0; i < Ch.Length; i++)
{
Ch[i] = ExtractPackedId(Ch[i], ref Extracted);
if (Ch[i] == null)
{
return(PluginResult.Failed);
}
if (!DontExtractProperties)
{
Ch[i] = ExtractPropertyGetter(Ch[i], ref Extracted);
if (Ch[i] == null)
{
return(PluginResult.Failed);
}
}
if (Expressions.GetOperator(Ch[i]) == Operator.Tuple)
{
var LocalExtracted = false;
var ChiCh = Ch[i].Children;
for (var j = 0; j < ChiCh.Length; j++)
{
ChiCh[j] = ExtractPropertyGetter(ChiCh[j], ref LocalExtracted);
if (ChiCh[j] == null)
{
return(PluginResult.Failed);
}
}
if (LocalExtracted)
{
Ch[i] = Parent.NewNode(Ch[i]);
if (Ch[i] == null)
{
return(PluginResult.Failed);
}
Extracted = true;
}
}
}
}
if (Extracted)
{
Node = Parent.NewNode(Node);
return(PluginResult.Ready);
}
return(PluginResult.Succeeded);
}
private PluginResult ResolveLinkingAssigment(ref ExpressionNode Node)
{
if (Expressions.GetOperator(Node) != Operator.Assignment)
{
return(PluginResult.Succeeded);
}
var Ch = Node.Children;
var LinkingCh0 = Ch[0] as LinkingNode;
if (LinkingCh0 == null)
{
return(PluginResult.Succeeded);
}
var Ch1Ch = Ch[1].Children;
var LCh1Ch0 = Ch1Ch[0] as LinkingNode;
var LinkedNode = LinkingCh0.LinkedNode;
if (LCh1Ch0 == null || LCh1Ch0.LinkedNode != LinkedNode ||
!Node.LinkedNodes.Contains(LinkedNode) || LinkedNode.LinkingCount != 2)
{
throw new ApplicationException();
}
Node.LinkedNodes.Remove(LinkedNode);
if (Expressions.GetOperator(LinkedNode.Node) == Operator.Tuple)
{
var OpLinked = LinkedNode.Node as OpExpressionNode;
var LinkedCh = OpLinked.Children;
var DstCh = new ExpressionNode[LinkedCh.Length];
var SrcCh = new ExpressionNode[LinkedCh.Length];
for (var i = 0; i < LinkedCh.Length; i++)
{
ExpressionNode Dst, Src;
var Linked = new LinkedExprNode(LinkedCh[i]);
if (!ProcessLinkedAssignmentMember(Node.Code, ref Linked, out Dst, out Src))
{
return(PluginResult.Failed);
}
DstCh[i] = Dst;
SrcCh[i] = Src;
Node.LinkedNodes.Add(Linked);
}
Ch[0] = Parent.NewNode(new OpExpressionNode(Operator.Tuple, DstCh, Node.Code));
Ch1Ch[0] = Parent.NewNode(new OpExpressionNode(Operator.Tuple, SrcCh, Node.Code));
if (Ch[0] == null || Ch1Ch[0] == null)
{
return(PluginResult.Failed);
}
}
else
{
ExpressionNode Dst, Src;
if (!ProcessLinkedAssignmentMember(Node.Code, ref LinkedNode, out Dst, out Src))
{
return(PluginResult.Failed);
}
Ch[0] = Dst;
Ch1Ch[0] = Src;
Node.LinkedNodes.Add(LinkedNode);
}
Ch[1] = Parent.NewNode(Ch[1]);
if (Ch[1] == null)
{
return(PluginResult.Failed);
}
Node = Parent.NewNode(Node);
return(Node == null ? PluginResult.Failed : PluginResult.Ready);
}
private bool ProcessLinkedAssignmentMember(CodeString Code, ref LinkedExprNode LinkedNode,
out ExpressionNode Dst, out ExpressionNode Src)
{
Dst = null;
Src = null;
var MemberId = Expressions.GetMemberIdentifier(LinkedNode.Node);
if (MemberId.RealId is Property)
{
if (LinkedNode.Node is IdExpressionNode)
{
Dst = Parent.NewNode(new IdExpressionNode(MemberId, Code));
Src = Parent.NewNode(new IdExpressionNode(MemberId, Code));
return(Dst != null && Src != null);
}
else
{
var LinkedOpNode = LinkedNode.Node as OpExpressionNode;
if (LinkedOpNode.Operator != Operator.Member)
{
throw new ApplicationException();
}
var NewLinkedNode = new LinkedExprNode(LinkedOpNode.Children[0]);
var DstCh = new ExpressionNode[]
{
Parent.NewNode(new LinkingNode(NewLinkedNode, Code)),
Parent.NewNode(new IdExpressionNode(MemberId, Code)),
};
if (DstCh[0] == null || DstCh[1] == null)
{
return(false);
}
var SrcCh = new ExpressionNode[]
{
Parent.NewNode(new LinkingNode(NewLinkedNode, Code)),
Parent.NewNode(new IdExpressionNode(MemberId, Code)),
};
if (SrcCh[0] == null || SrcCh[1] == null)
{
return(false);
}
Dst = Parent.NewNode(new OpExpressionNode(Operator.Member, DstCh, Code));
Src = Parent.NewNode(new OpExpressionNode(Operator.Member, SrcCh, Code));
LinkedNode = NewLinkedNode;
return(Dst != null && Src != null);
}
}
else if (IsClassMemberNode(LinkedNode.Node))
{
LinkedNode.Node = LinkedNode.Node.Children[0];
Dst = Parent.NewNode(new LinkingNode(LinkedNode, Code));
Src = Parent.NewNode(new LinkingNode(LinkedNode, Code));
if (Dst == null || Src == null)
{
return(false);
}
var MemberIdNode1 = Parent.NewNode(new IdExpressionNode(MemberId, Code));
var MemberIdNode2 = Parent.NewNode(new IdExpressionNode(MemberId, Code));
if (MemberIdNode1 == null || MemberIdNode2 == null)
{
return(false);
}
var DstCh = new ExpressionNode[] { Dst, MemberIdNode1 };
var SrcCh = new ExpressionNode[] { Src, MemberIdNode2 };
Dst = Parent.NewNode(new OpExpressionNode(Operator.Member, DstCh, Code));
Src = Parent.NewNode(new OpExpressionNode(Operator.Member, SrcCh, Code));
return(Dst != null && Src != null);
}
else
{
LinkedNode.Node = Expressions.GetAddress(Parent, LinkedNode.Node, Code);
if (LinkedNode.Node == null)
{
return(false);
}
Dst = Parent.NewNode(new LinkingNode(LinkedNode, Code));
Src = Parent.NewNode(new LinkingNode(LinkedNode, Code));
if (Dst == null || Src == null)
{
return(false);
}
Dst = Expressions.Indirection(Parent, Dst, Code);
Src = Expressions.Indirection(Parent, Src, Code);
return(Dst != null && Src != null);
}
}
public ExpressionNode ExtractPropertyGetter(ExpressionNode Node, ref bool Extracted)
{
ExpressionNode[] CallCh;
AutoAllocatedList <LinkedExprNode> LinkedNodes =
new AutoAllocatedList <LinkedExprNode>();
if ((Node.Flags & ExpressionFlags.EnableGetter) != 0)
{
var Ch = Node.Children;
CallCh = new ExpressionNode[Ch.Length - 1];
if (Expressions.GetOperator(Ch[0]) == Operator.Member)
{
var Ch0Ch = Ch[0].Children;
var Linked = new LinkedExprNode(Ch0Ch[0]);
LinkedNodes.Add(Linked);
Ch0Ch[0] = Parent.NewNode(new LinkingNode(Linked, Node.Code));
if (Ch0Ch[0] == null || (Ch[0] = Parent.NewNode(Ch[0])) == null)
{
return(null);
}
var CallCh0Ch = new ExpressionNode[]
{
Parent.NewNode(new LinkingNode(Linked, Node.Code)),
CallCh[0] = GetGetterForSetter(Ch0Ch[1]),
};
if (CallCh0Ch[0] == null || CallCh0Ch[1] == null)
{
return(null);
}
CallCh[0] = Parent.NewNode(new OpExpressionNode(Operator.Member, CallCh0Ch, Node.Code));
if (CallCh[0] == null)
{
return(null);
}
}
else if (Ch[0] is IdExpressionNode)
{
CallCh[0] = GetGetterForSetter(Ch[0]);
}
for (var i = 1; i < Ch.Length - 1; i++)
{
var LinkedNode = new LinkedExprNode(Ch[i]);
LinkedNodes.Add(LinkedNode);
Node.Children[i] = Parent.NewNode(new LinkingNode(LinkedNode, Node.Code));
CallCh[i] = Parent.NewNode(new LinkingNode(LinkedNode, Node.Code));
if (Node.Children[i] == null || CallCh[i] == null)
{
return(null);
}
}
Node = Parent.NewNode(Node);
if (Node == null)
{
return(null);
}
Node.Flags &= ~ExpressionFlags.EnableGetter;
LinkedNodes.Add(new LinkedExprNode(Node, LinkedNodeFlags.NotRemovable));
}
else if (Expressions.GetOperator(Node) == Operator.Index)
{
var NewNode = Node.Children[0];
var Res = ExtractPropertyFunction(ref NewNode, false);
if (Res == SimpleRecResult.Unknown)
{
return(Node);
}
if (Res == SimpleRecResult.Failed)
{
return(null);
}
CallCh = Node.Children.Slice(0);
CallCh[0] = NewNode;
}
else
{
var NewNode = Node;
var Res = ExtractPropertyFunction(ref NewNode, false);
if (Res == SimpleRecResult.Unknown)
{
return(Node);
}
if (Res == SimpleRecResult.Failed)
{
return(null);
}
CallCh = new ExpressionNode[] { NewNode };
}
var Ret = new OpExpressionNode(Operator.Call, CallCh, Node.Code);
Ret.LinkedNodes.AddRange(LinkedNodes);
Extracted = true;
return(Parent.NewNode(Ret));
}