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https://gitlab.com/freepascal.org/fpc/source.git
synced 2025-11-04 09:02:22 +01:00
+ objects support
This commit is contained in:
peter
parent
8751ac02ca
commit
e4db3c0e10
@ -34,6 +34,10 @@ const
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RecordTypes : set of tsymtyp =
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([typesym,unitsym,programsym]);
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sfRecord = $00000001;
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sfObject = $00000002;
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sfClass = $00000004;
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type
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TStoreCollection = object(TStringCollection)
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function Add(const S: string): PString;
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@ -60,6 +64,14 @@ type
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destructor Done; virtual;
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end;
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PSymbolMemInfo = ^TSymbolMemInfo;
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TSymbolMemInfo = record
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Addr : longint;
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LocalAddr : longint;
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Size : longint;
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PushSize : longint;
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end;
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PSymbol = ^TSymbol;
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TSymbol = object(TObject)
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Name : PString;
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@ -69,10 +81,13 @@ type
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Items : PSymbolCollection;
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DType : PString;
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VType : PString;
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Ancestor : PString;
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IsRecord : boolean;
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IsClass : boolean;
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constructor Init(const AName: string; ATyp: tsymtyp; AParams: string);
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ObjectID : longint;
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AncestorID : longint;
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Ancestor : PSymbol;
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Flags : longint;
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MemInfo : PSymbolMemInfo;
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constructor Init(const AName: string; ATyp: tsymtyp; AParams: string; AMemInfo: PSymbolMemInfo);
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procedure SetMemInfo(const AMemInfo: TSymbolMemInfo);
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function GetReferenceCount: Sw_integer;
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function GetReference(Index: Sw_integer): PReference;
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function GetItemCount: Sw_integer;
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@ -83,6 +98,25 @@ type
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destructor Done; virtual;
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end;
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PObjectSymbolCollection = ^TObjectSymbolCollection;
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PObjectSymbol = ^TObjectSymbol;
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TObjectSymbol = object(TObject)
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Parent : PObjectSymbol;
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Symbol : PSymbol;
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Expanded : boolean;
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constructor Init(AParent: PObjectSymbol; ASymbol: PSymbol);
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constructor InitName(const AName: string);
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function GetName: string;
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function GetDescendantCount: sw_integer;
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function GetDescendant(Index: sw_integer): PObjectSymbol;
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procedure AddDescendant(P: PObjectSymbol);
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destructor Done; virtual;
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private
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Name: PString;
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Descendants: PObjectSymbolCollection;
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end;
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TSymbolCollection = object(TSortedCollection)
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function At(Index: Sw_Integer): PSymbol;
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procedure Insert(Item: Pointer); virtual;
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@ -95,6 +129,19 @@ type
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function LookUp(const S: string; var Idx: sw_integer): string; virtual;
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end;
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PIDSortedSymbolCollection = ^TIDSortedSymbolCollection;
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TIDSortedSymbolCollection = object(TSymbolCollection)
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function Compare(Key1, Key2: Pointer): Sw_Integer; virtual;
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procedure Insert(Item: Pointer); virtual;
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function SearchSymbolByID(AID: longint): PSymbol;
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end;
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TObjectSymbolCollection = object(TSortedCollection)
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function Compare(Key1, Key2: Pointer): Sw_Integer; virtual;
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function LookUp(const S: string; var Idx: sw_integer): string; virtual;
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function At(Index: Sw_Integer): PObjectSymbol;
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end;
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TReferenceCollection = object(TCollection)
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function At(Index: Sw_Integer): PReference;
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end;
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@ -103,6 +150,7 @@ const
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Modules : PSymbolCollection = nil;
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ModuleNames : PModuleNameCollection = nil;
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TypeNames : PTypeNameCollection = nil;
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ObjectTree : PObjectSymbol = nil;
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procedure DisposeBrowserCol;
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@ -111,12 +159,15 @@ procedure CreateBrowserCol;
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procedure InitBrowserCol;
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procedure DoneBrowserCol;
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procedure BuildObjectInfo;
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function SearchObjectForSymbol(O: PSymbol): PObjectSymbol;
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implementation
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uses
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Drivers,Views,App,
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aasm,globtype,globals,files;
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aasm,globtype,globals,files,comphook;
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{****************************************************************************
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Helpers
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@ -267,6 +318,96 @@ begin
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LookUp:=FoundS;
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end;
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{****************************************************************************
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TIDSortedSymbolCollection
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****************************************************************************}
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function TIDSortedSymbolCollection.Compare(Key1, Key2: Pointer): Sw_Integer;
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var K1: PSymbol absolute Key1;
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K2: PSymbol absolute Key2;
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R: Sw_integer;
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begin
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if K1^.ObjectID<K2^.ObjectID then R:=-1 else
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if K1^.ObjectID>K2^.ObjectID then R:=1 else
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R:=0;
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Compare:=R;
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end;
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procedure TIDSortedSymbolCollection.Insert(Item: Pointer);
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begin
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TSortedCollection.Insert(Item);
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end;
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function TIDSortedSymbolCollection.SearchSymbolByID(AID: longint): PSymbol;
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var S: TSymbol;
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Index: sw_integer;
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P: PSymbol;
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begin
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S.ObjectID:=AID;
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if Search(@S,Index)=false then P:=nil else
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P:=At(Index);
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SearchSymbolByID:=P;
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end;
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{****************************************************************************
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TObjectSymbolCollection
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****************************************************************************}
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function TObjectSymbolCollection.At(Index: Sw_Integer): PObjectSymbol;
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begin
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At:=inherited At(Index);
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end;
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function TObjectSymbolCollection.Compare(Key1, Key2: Pointer): Sw_Integer;
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var K1: PObjectSymbol absolute Key1;
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K2: PObjectSymbol absolute Key2;
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R: Sw_integer;
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S1,S2: string;
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begin
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S1:=Upper(K1^.GetName);
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S2:=Upper(K2^.GetName);
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if S1<S2 then R:=-1 else
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if S1>S2 then R:=1 else
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R:=0;
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Compare:=R;
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end;
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function TObjectSymbolCollection.LookUp(const S: string; var Idx: sw_integer): string;
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var OLI,ORI,Left,Right,Mid: integer;
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LeftP,RightP,MidP: PObjectSymbol;
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RL: integer;
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LeftS,MidS,RightS: string;
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FoundS: string;
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UpS : string;
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begin
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Idx:=-1; FoundS:='';
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Left:=0; Right:=Count-1;
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UpS:=Upper(S);
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if Left<Right then
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begin
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while (Left<Right) do
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begin
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OLI:=Left; ORI:=Right;
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Mid:=Left+(Right-Left) div 2;
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LeftP:=At(Left); RightP:=At(Right); MidP:=At(Mid);
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LeftS:=Upper(LeftP^.GetName); MidS:=Upper(MidP^.GetName);
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RightS:=Upper(RightP^.GetName);
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if copy(MidS,1,length(UpS))=UpS then
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begin
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Idx:=Mid; FoundS:=copy(MidS,1,length(S));
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end;
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{ else}
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if UpS<MidS then
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Right:=Mid
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else
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Left:=Mid;
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if (OLI=Left) and (ORI=Right) then
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Break;
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end;
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end;
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LookUp:=FoundS;
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end;
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{****************************************************************************
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TReference
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****************************************************************************}
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@ -294,10 +435,12 @@ end;
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TSymbol
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****************************************************************************}
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constructor TSymbol.Init(const AName: string; ATyp: tsymtyp; AParams: string);
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constructor TSymbol.Init(const AName: string; ATyp: tsymtyp; AParams: string; AMemInfo: PSymbolMemInfo);
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begin
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inherited Init;
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Name:=NewStr(AName); Typ:=ATyp;
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if AMemInfo<>nil then
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SetMemInfo(AMemInfo^);
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New(References, Init(20,50));
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if ATyp in RecordTypes then
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begin
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@ -305,6 +448,12 @@ begin
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end;
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end;
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procedure TSymbol.SetMemInfo(const AMemInfo: TSymbolMemInfo);
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begin
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if MemInfo=nil then New(MemInfo);
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Move(AMemInfo,MemInfo^,SizeOf(MemInfo^));
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end;
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function TSymbol.GetReferenceCount: Sw_integer;
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var Count: Sw_integer;
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begin
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@ -349,18 +498,18 @@ begin
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S:=S+' ';
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end;
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S:=S+' '+GetName;
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if IsRecord then
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if (Flags and sfRecord)<>0 then
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S:=S+' = record'
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else
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if Ancestor<>nil then
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if (Flags and sfObject)<>0 then
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begin
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S:=S+' = ';
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if IsClass then
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if (Flags and sfClass)<>0 then
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S:=S+'class'
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else
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S:=S+'object';
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if Ancestor^<>'.' then
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S:=S+'('+Ancestor^+')';
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if Ancestor<>nil then
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S:=S+'('+Ancestor^.GetName+')';
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end
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else
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begin
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@ -405,6 +554,8 @@ end;
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destructor TSymbol.Done;
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begin
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inherited Done;
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if assigned(MemInfo) then
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Dispose(MemInfo);
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if assigned(References) then
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Dispose(References, Done);
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if assigned(Items) then
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@ -422,6 +573,54 @@ begin
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end;
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constructor TObjectSymbol.Init(AParent: PObjectSymbol; ASymbol: PSymbol);
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begin
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inherited Init;
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Parent:=AParent;
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Symbol:=ASymbol;
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end;
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constructor TObjectSymbol.InitName(const AName: string);
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begin
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inherited Init;
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Name:=NewStr(AName);
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end;
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function TObjectSymbol.GetName: string;
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begin
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if Name<>nil then
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GetName:=Name^
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else
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GetName:=Symbol^.GetName;
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end;
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function TObjectSymbol.GetDescendantCount: sw_integer;
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var Count: sw_integer;
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begin
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if Descendants=nil then Count:=0 else
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Count:=Descendants^.Count;
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GetDescendantCount:=Count;
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end;
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function TObjectSymbol.GetDescendant(Index: sw_integer): PObjectSymbol;
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begin
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GetDescendant:=Descendants^.At(Index);
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end;
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procedure TObjectSymbol.AddDescendant(P: PObjectSymbol);
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begin
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if Descendants=nil then
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New(Descendants, Init(50,10));
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Descendants^.Insert(P);
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end;
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destructor TObjectSymbol.Done;
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begin
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if Assigned(Name) then DisposeStr(Name); Name:=nil;
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if Assigned(Descendants) then Dispose(Descendants, Done); Descendants:=nil;
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inherited Done;
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end;
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{*****************************************************************************
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Main Routines
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*****************************************************************************}
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@ -443,6 +642,11 @@ begin
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dispose(TypeNames,Done);
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TypeNames:=nil;
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end;
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if assigned(ObjectTree) then
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begin
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Dispose(ObjectTree, Done);
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ObjectTree:=nil;
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end;
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end;
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@ -714,7 +918,8 @@ procedure CreateBrowserCol;
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end;
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end;
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end;
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var MemInfo: TSymbolMemInfo;
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ObjDef: pobjectdef;
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begin
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if not Assigned(Table) then
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Exit;
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@ -728,11 +933,10 @@ procedure CreateBrowserCol;
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end;}
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for I:=1 to symcount do
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begin
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Symbol:=nil;
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Sym:=Table^.GetsymNr(I);
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if Sym=nil then Continue;
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ParamCount:=0;
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New(Symbol, Init(Sym^.Name,Sym^.Typ,''));
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New(Symbol, Init(Sym^.Name,Sym^.Typ,'',nil));
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case Sym^.Typ of
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varsym :
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with pvarsym(sym)^ do
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@ -743,6 +947,11 @@ procedure CreateBrowserCol;
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else
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SetVType(Symbol,GetDefinitionStr(definition));
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ProcessDefIfStruct(definition);
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MemInfo.Addr:=address;
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MemInfo.LocalAddr:=localaddress;
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MemInfo.Size:=getsize;
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MemInfo.PushSize:=getpushsize;
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Symbol^.SetMemInfo(MemInfo);
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end;
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constsym :
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SetDType(Symbol,GetConstValueName(pconstsym(sym)));
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@ -802,17 +1011,18 @@ procedure CreateBrowserCol;
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objectdef :
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with pobjectdef(definition)^ do
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begin
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if childof=nil then
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S:='.'
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else
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S:=childof^.name^;
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Symbol^.Ancestor:=TypeNames^.Add(S);
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Symbol^.IsClass:=(options and oo_is_class)<>0;
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ObjDef:=childof;
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Symbol^.ObjectID:=longint(definition);
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if ObjDef<>nil then
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Symbol^.AncestorID:=longint(ObjDef);{TypeNames^.Add(S);}
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Symbol^.Flags:=(Symbol^.Flags or sfObject);
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if (options and oo_is_class)<>0 then
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Symbol^.Flags:=(Symbol^.Flags or sfClass);
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ProcessSymTable(Symbol,Symbol^.Items,pobjectdef(definition)^.publicsyms);
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end;
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recorddef :
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begin
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Symbol^.IsRecord:=true;
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Symbol^.Flags:=(Symbol^.Flags or sfRecord);
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ProcessSymTable(Symbol,Symbol^.Items,precdef(definition)^.symtable);
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end;
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filedef :
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@ -823,11 +1033,8 @@ procedure CreateBrowserCol;
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end;
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end;
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Ref:=Sym^.defref;
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If assigned(Symbol) then
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begin
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Owner^.Insert(Symbol);
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while Assigned(Symbol) and assigned(Ref) do
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begin
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while Assigned(Symbol) and assigned(Ref) do
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begin
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inputfile:=get_source_file(ref^.moduleindex,ref^.posinfo.fileindex);
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if Assigned(inputfile) and Assigned(inputfile^.name) then
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begin
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@ -836,8 +1043,9 @@ procedure CreateBrowserCol;
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Symbol^.References^.Insert(Reference);
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end;
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Ref:=Ref^.nextref;
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end;
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end;
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end;
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if Assigned(Symbol) then
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Owner^.Insert(Symbol);
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end;
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end;
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@ -854,7 +1062,7 @@ begin
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t:=psymtable(hp^.globalsymtable);
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if assigned(t) then
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begin
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New(UnitS, Init(T^.Name^,unitsym,''));
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New(UnitS, Init(T^.Name^,unitsym,'',nil));
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Modules^.Insert(UnitS);
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ProcessSymTable(UnitS,UnitS^.Items,T);
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if cs_local_browser in aktmoduleswitches then
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@ -866,7 +1074,113 @@ begin
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end;
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hp:=pmodule(hp^.next);
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end;
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BuildObjectInfo;
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end;
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procedure BuildObjectInfo;
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var C: PIDSortedSymbolCollection;
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ObjectC: PObjectSymbolCollection;
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ObjectsSymbol: PObjectSymbol;
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procedure InsertSymbolCollection(Symbols: PSymbolCollection);
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var I: sw_integer;
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P: PSymbol;
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begin
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for I:=0 to Symbols^.Count-1 do
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begin
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P:=Symbols^.At(I);
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if (P^.Flags and sfObject)<>0 then
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C^.Insert(P);
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if P^.Items<>nil then
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InsertSymbolCollection(P^.Items);
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end;
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end;
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function SearchObjectForSymbol(O: PSymbol): PObjectSymbol;
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var I,Idx: sw_integer;
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OS,P: PObjectSymbol;
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begin
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P:=nil;
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for I:=0 to ObjectC^.Count-1 do
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begin
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OS:=ObjectC^.At(I);
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if OS^.Symbol=O then
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begin P:=OS; Break; end;
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end;
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SearchObjectForSymbol:=P;
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end;
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procedure BuildTree;
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var I: sw_integer;
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Symbol: PSymbol;
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Parent,OS: PObjectSymbol;
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begin
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I:=0;
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while (I<C^.Count) do
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begin
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Symbol:=C^.At(I);
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if Symbol^.Ancestor=nil then
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Parent:=ObjectsSymbol
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else
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Parent:=SearchObjectForSymbol(Symbol^.Ancestor);
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if Parent<>nil then
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begin
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New(OS, Init(Parent, Symbol));
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Parent^.AddDescendant(OS);
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ObjectC^.Insert(OS);
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C^.AtDelete(I);
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end
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else
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Inc(I);
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end;
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end;
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var Pass: integer;
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I: sw_integer;
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P: PSymbol;
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begin
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New(C, Init(1000,5000));
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InsertSymbolCollection(Modules);
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{ --- Resolve ancestor<->descendant references --- }
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for I:=0 to C^.Count-1 do
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begin
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P:=C^.At(I);
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if P^.AncestorID<>0 then
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P^.Ancestor:=C^.SearchSymbolByID(P^.AncestorID);
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end;
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{ --- Build object tree --- }
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if assigned(ObjectTree) then Dispose(ObjectTree, Done);
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New(ObjectsSymbol, InitName('Objects'));
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ObjectTree:=ObjectsSymbol;
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New(ObjectC, Init(C^.Count,100));
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Pass:=0;
|
||||
if C^.Count>0 then
|
||||
repeat
|
||||
BuildTree;
|
||||
Inc(Pass);
|
||||
until (C^.Count=0) or (Pass>20); { more than 20 levels ? - then there must be a bug }
|
||||
|
||||
ObjectC^.DeleteAll; Dispose(ObjectC, Done);
|
||||
C^.DeleteAll; Dispose(C, Done);
|
||||
end;
|
||||
|
||||
function SearchObjectForSymbol(O: PSymbol): PObjectSymbol;
|
||||
var I,Idx: sw_integer;
|
||||
OS,P: PObjectSymbol;
|
||||
ObjectC: PObjectSymbolCollection;
|
||||
begin
|
||||
P:=nil;
|
||||
if ObjectTree<>nil then
|
||||
begin
|
||||
ObjectC:=ObjectTree^.Descendants;
|
||||
for I:=0 to ObjectC^.Count-1 do
|
||||
begin
|
||||
OS:=ObjectC^.At(I);
|
||||
if OS^.Symbol=O then
|
||||
begin P:=OS; Break; end;
|
||||
end;
|
||||
end;
|
||||
SearchObjectForSymbol:=P;
|
||||
end;
|
||||
|
||||
|
||||
@ -903,11 +1217,8 @@ begin
|
||||
end.
|
||||
{
|
||||
$Log$
|
||||
Revision 1.10 1999-03-26 11:39:25 pierre
|
||||
* avoid empty symbols
|
||||
|
||||
Revision 1.9 1999/03/24 23:16:44 peter
|
||||
* fixed bugs 212,222,225,227,229,231,233
|
||||
Revision 1.11 1999-04-08 10:17:42 peter
|
||||
+ objects support
|
||||
|
||||
Revision 1.8 1999/03/03 01:38:11 pierre
|
||||
* avoid infinite recursion in ProcessDefIfStruct
|
||||
|
||||
Loading…
Reference in New Issue
Block a user