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KnowledgeBase.pas
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KnowledgeBase.pas
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Unit KnowledgeBase;
Interface
Uses Windows,Classes,Types,Def_know,Def_main;
Type
MKnowledgeBase = class
Public
Version:Integer;
ModuleCount:Integer;
ModuleOffsets:ArrOffsetInfo;
Mods:TWordDynArray;
UsedProcs:TByteDynArray;
ConstOffsets:ArrOffsetInfo;
TypeOffsets:ArrOffsetInfo;
VarOffsets:ArrOffsetInfo;
ResStrOffsets:ArrOffsetInfo;
ProcOffsets:ArrOffsetInfo;
Destructor Destroy; Override;
Function Open(filename:AnsiString):Boolean;
Procedure Close;
function GetKBCachePtr(Offset, Size:Integer): PAnsiChar;
function GetModuleID(ModuleName:PAnsiChar): WORD;
Function GetModuleName(ModuleID:WORD):AnsiString;
procedure GetModuleIdsByProcName(AProcName:PAnsiChar);
function GetItemSection(ModuleIDs:TWordDynArray; ItemName:PAnsiChar): TKBset;
function GetConstIdx(ModuleIDs:TWordDynArray; ConstName:PAnsiChar): Integer;
function GetConstIdxs(ConstName:PAnsiChar; Var ConstIdx:Integer): Integer;
function GetTypeIdxByModuleIds(ModuleIDs:TWordDynArray; TypeName:PAnsiChar): Integer;
function GetTypeIdxsByName(TypeName:PAnsiChar; Var TypeIdx:Integer): Integer;
Function GetTypeIdxByUID(UID:AnsiString):Integer;
function GetVarIdx(ModuleIDs:TWordDynArray; VarName:PAnsiChar): Integer;
function GetResStrIdx(from:Integer; ResStrContext:PAnsiChar): Integer; overload;
function GetResStrIdx(ModuleID:Word; ResStrContext:PAnsiChar): Integer; overload;
function GetResStrIdx(ModuleIDs:TWordDynArray; ResStrName:PAnsiChar): Integer; overload;
function GetProcIdx(ModuleID:Word; ProcName:PAnsiChar): Integer; overload;
function GetProcIdx(ModuleID:Word; ProcName,code:PAnsiChar): Integer; overload;
function GetProcIdx(ModuleIDs:TWordDynArray; ProcName,code:PAnsiChar): Integer; overload;
function GetProcIdxs(ModuleID:Word;FirstProcIdx, LastProcIdx:PInteger): Boolean; overload;
Function GetProcIdxs(ModuleID:Word; var FirstProcIdx, LastProcIdx, DumpSize:Integer):Boolean; Overload;
function GetConstInfo(AConstIdx:Integer; AFlags:TInfoFlagSet; var cInfo:MConstInfo): Boolean;
function GetProcInfo(ProcName:PAnsiChar; AFlags:TInfoFlagSet; out pInfo:MProcInfo; Var procIdx:Integer): Boolean; overload;
function GetProcInfo(AProcIdx:Integer; AFlags:TInfoFlagSet; out pInfo:MProcInfo): Boolean; overload;
function GetTypeInfo(ATypeIdx:Integer; AFlags:TInfoFlagSet; out tInfo:MTypeInfo): Boolean; overload;
function GetVarInfo(AVarIdx:Integer; AFlags:TInfoFlagSet; Out vInfo:MVarInfo): Boolean;
function GetResStrInfo(AResStrIdx:Integer; AFlags:TInfoFlagSet; out rsInfo:MResStrInfo): Boolean;
function ScanCode(code:PAnsiChar;var CodeFlags:array of TCflagSet; CodeSz:Integer; pInfo:PMProcInfo): Integer;
function GetModuleUses(ModuleID:Word): TWordDynArray;
function GetProcUses(ProcName:PAnsiChar; _Uses:TWordDynArray): Integer;
function GetTypeUses(TypeName:PAnsiChar): TWordDynArray;
function GetConstUses(ConstName:PAnsiChar): TWordDynArray;
Function GetProcPrototype(ProcIdx:Integer):AnsiString; Overload;
function GetProcPrototype(pInfo:PMProcInfo): AnsiString; overload;
Function IsUsedProc(AIdx:Integer):Boolean;
Procedure SetUsedProc(AIdx:Integer);
function GetKBProcInfo(typeName:PAnsiChar; out procInfo:MProcInfo; Var procIdx:Integer): Boolean;
function GetKBTypeInfo(typeName:PAnsiChar; out typeInfo:MTypeInfo): Boolean;
function GetKBPropertyInfo(clasName:PAnsiChar; propName:AnsiString; out typeInfo:MTypeInfo): Boolean;
Function IsPropFunction (clasName, procName:AnsiString):AnsiString;
private
Inited:Boolean;
KBfile:TFileStream;
SectionsOffset:Int64;
//Modules
MaxModuleDataSize:Integer;
//Consts
ConstCount:Integer;
MaxConstDataSize:Integer;
//Types
TypeCount:Integer;
MaxTypeDataSize:Integer;
//Vars
VarCount:Integer;
MaxVarDataSize:Integer;
//ResStr
ResStrCount:Integer;
MaxResStrDataSize:Integer;
//Procs
MaxProcDataSize:Integer;
ProcCount:Integer;
//as temp test (global KB file cache in mem)
KBCache:Pointer;
SizeKBFile:Int64;
NameKBFile:AnsiString;
function BoundL(final:Integer;OfsArr:ArrOffsetInfo;Item:PAnsiChar;n:PInteger;typeFix:Boolean): Integer;
function BoundR(start,final:Integer;OfsArr:ArrOffsetInfo;Item:PAnsiChar;n:PInteger;typeFix:Boolean): Integer;
function GetIdxName(OfsCnt:Integer;OfsArr:ArrOffsetInfo;ItemName:PAnsiChar; Var ItemIdx:Integer;typeFix:Boolean): Integer;
function GetIdx(OfsCnt:Integer;OfsArr:ArrOffsetInfo;ModuleIDs:TWordDynArray; ItemName:PAnsiChar;typeFix:Boolean): Integer;
Function CheckKBFile:Boolean;
end;
Implementation
Uses SysUtils,Heuristic,Misc;
Destructor MKnowledgeBase.Destroy;
Begin
Close;
end;
Function MKnowledgeBase.CheckKBFile:Boolean;
var
isMSIL:Boolean;
delphiVer:Integer;
crc,kbVer:Integer;
signature:String[24];
description:Array[1..256] of Char;
Begin
Result:=False;
with KBfile do
begin
Read(signature[1],24);
Read(isMSIL,1);
Read(delphiVer,4);
Read(crc,4);
Read(description,256);
Read(kbVer,4);
end;
Byte(signature[0]):=StrLen(PAnsiChar(@signature[1]));
//Old format
if (signature = 'IDD Knowledge Base File') and (kbVer = 1) then
begin
Version := kbVer;
Result:=true;
End
//New format
Else if (signature = 'IDR Knowledge Base File') and (kbVer = 2) then
begin
Version := kbVer;
Result:=true;
End;
end;
Function MKnowledgeBase.Open (filename:AnsiString):Boolean;
Begin
Result:=False;
if Inited then
begin
if NameKBFile = filename then
Begin
Result:=True;
Exit;
end;
Close;
End;
Inited := false;
KBfile:=Nil;
if not FileExists(filename) then Exit;
try
KBfile:=TFileStream.Create(filename, fmOpenRead);
if not CheckKBFile then
begin
FreeAndNil(KBfile);
Exit;
End;
KBfile.Seek(-4,soFromEnd);
//Read SectionsOffset
KBfile.Read(SectionsOffset,SizeOf(SectionsOffset));
//Seek at SectionsOffset
KBfile.Seek(SectionsOffset,soFromBeginning);
//Read section Modules
KBfile.Read(ModuleCount,SizeOf(ModuleCount));
SetLength(Mods,ModuleCount + 1);
FillMemory(@Mods[0], (ModuleCount + 1)*sizeof(WORD),255);
KBfile.Read(MaxModuleDataSize, sizeof(MaxModuleDataSize));
SetLength(ModuleOffsets,ModuleCount);
KBfile.Read(ModuleOffsets[0], sizeof(OffsetInfo)*ModuleCount);
//Read section Consts
KBfile.Read(ConstCount, sizeof(ConstCount));
KBfile.Read(MaxConstDataSize, sizeof(MaxConstDataSize));
SetLength(ConstOffsets,ConstCount);
KBfile.Read(ConstOffsets[0], sizeof(OffsetInfo)*ConstCount);
//Read section Types
KBfile.Read(TypeCount, sizeof(TypeCount));
KBfile.Read(MaxTypeDataSize, sizeof(MaxTypeDataSize));
SetLength(TypeOffsets,TypeCount);
KBfile.Read(TypeOffsets[0], sizeof(OffsetInfo)*TypeCount);
//Read section Vars
KBfile.Read(VarCount, sizeof(VarCount));
KBfile.Read(MaxVarDataSize, sizeof(MaxVarDataSize));
SetLength(VarOffsets,VarCount);
KBfile.Read(VarOffsets[0], sizeof(OffsetInfo)*VarCount);
//Read section ResStr
KBfile.Read(ResStrCount, sizeof(ResStrCount));
KBfile.Read(MaxResStrDataSize, sizeof(MaxResStrDataSize));
SetLength(ResStrOffsets,ResStrCount);
KBfile.Read(ResStrOffsets[0], sizeof(OffsetInfo)*ResStrCount);
//Read section Procs
KBfile.Read(ProcCount, sizeof(ProcCount));
KBfile.Read(MaxProcDataSize, sizeof(MaxProcDataSize));
SetLength(ProcOffsets,ProcCount);
KBfile.Read(ProcOffsets[0], sizeof(OffsetInfo)*ProcCount);
SetLength(UsedProcs,ProcCount);
FillMemory(@UsedProcs[0], Length(UsedProcs),0);
//as global KB file cache in RAM (speed up 3..4 times!)
SizeKBFile := KBfile.Size;
if SizeKBFile > 0 then
try
GetMem(KBCache,SizeKBFile);
KBfile.Seek(0, soFromBeginning);
KBfile.Read(KBCache^, SizeKBFile);
Except
KBCache:=Nil;
end;
FreeAndNil(KBfile);
Except
Exit;
end;
NameKBFile := filename;
Inited := true;
Result:=true;
end;
Procedure MKnowledgeBase.Close;
Begin
if Inited then
begin
Mods:=Nil;
ModuleOffsets:=Nil;
ConstOffsets:=Nil;
TypeOffsets:=Nil;
VarOffsets:=Nil;
ResStrOffsets:=Nil;
ProcOffsets:=Nil;
UsedProcs:=Nil;
//as
if Assigned(KBCache) then
begin
FreeMem(KBCache);
KBCache:=Nil;
End;
Inited := false;
End;
KBfile.Free;
end;
Function MKnowledgeBase.GetModuleID (ModuleName:PAnsiChar):WORD;
Var
ID,M, F,L:Integer;
p:PAnsiChar;
Begin
Result:=$FFFF;
if not Inited then Exit;
if (ModuleName=Nil) or (ModuleName^=#0) or (ModuleCount=0) then Exit;
F:=0;
L:=ModuleCount-1;
while F < L do
begin
M := (F + L) Div 2;
ID := ModuleOffsets[M].NamId;
p := GetKBCachePtr(ModuleOffsets[ID].Offset, ModuleOffsets[ID].Size);
if StrIComp(ModuleName, p + 4) <= 0 then L := M
else F := M + 1;
End;
ID := ModuleOffsets[L].NamId;
p := GetKBCachePtr(ModuleOffsets[ID].Offset, ModuleOffsets[ID].Size);
if StrIComp(ModuleName, p + 4)=0 then Result:=PWord(p)^;
end;
Function MKnowledgeBase.GetModuleName (ModuleID:WORD):AnsiString;
Var
ID,modID,M, F,L:Integer;
p:PAnsiChar;
Begin
Result:='';
if not Inited then Exit;
if (ModuleID=$FFFF) or (ModuleCount=0) then Exit;
F:=0;
L:=ModuleCount-1;
while F < L do
begin
M := (F + L) div 2;
ID := ModuleOffsets[M].ModId;
p := GetKBCachePtr(ModuleOffsets[ID].Offset, ModuleOffsets[ID].Size);
ModID := PWord(p)^;
if ModuleID <= ModID then L := M
else F := M + 1;
End;
ID := ModuleOffsets[L].ModId;
p := GetKBCachePtr(ModuleOffsets[ID].Offset, ModuleOffsets[ID].Size);
ModID := PWord(p)^;
if ModuleID = ModID then Result:=String(p + 4);
end;
Function MKnowledgeBase.BoundL(final:Integer;OfsArr:ArrOffsetInfo;Item:PAnsiChar;n:PInteger;typeFix:Boolean):Integer;
var
x,ID:Integer;
p:PAnsiChar;
Begin
Result:=final-1;
//Find left boundary
for x := final-1 downto 0 do
begin
Result:=x;
ID := OfsArr[Result].NamId;
p := GetKBCachePtr(OfsArr[ID].Offset, OfsArr[ID].Size);
if typeFix then Inc(p,4);
If StrIComp(Item, p + 4)<>0 then Break;
if Assigned(n) then Inc(n);
End;
end;
Function MKnowledgeBase.BoundR(start,final:Integer;OfsArr:ArrOffsetInfo;Item:PAnsiChar;n:PInteger;typeFix:Boolean):Integer;
var
x,ID:Integer;
p:PAnsiChar;
Begin
Result:=start+1;
//Find right boundary
for x := start + 1 To final-1 do
begin
Result:=x;
ID := OfsArr[Result].NamId;
p := GetKBCachePtr(OfsArr[ID].Offset, OfsArr[ID].Size);
if typeFix then Inc(p,4);
if StrIComp(Item, p + 4)<>0 then Break;
if Assigned(n) then Inc(n);
end;
end;
//Return modules ids list containing given proc
Procedure MKnowledgeBase.GetModuleIdsByProcName (AProcName:PAnsiChar);
var
L,R,M,LN,RN:Integer;
ID,res,n,k:Integer;
p:PAnsiChar;
Begin
Mods[0] := $FFFF;
if Not Inited then Exit;
if (AProcName=Nil)or(AProcName^=#0) or (ProcCount=0) then Exit;
L := 0;
R := ProcCount - 1;
while True do
begin
M := (L + R) div 2;
ID := ProcOffsets[M].NamId;
p := GetKBCachePtr(ProcOffsets[ID].Offset, ProcOffsets[ID].Size);
res := StrIComp(AProcName, p + 4);
if res < 0 then R := M - 1
else if res > 0 then L := M + 1
else
begin
LN:=BoundL(M,ProcOffsets,AProcName,Nil,false);
RN:=BoundR(M,ProcCount,ProcOffsets,AProcName,Nil,false);
n := 0;
for k:= LN + 1 to RN-1 do
begin
ID := ProcOffsets[N].NamId;
p := GetKBCachePtr(ProcOffsets[ID].Offset, ProcOffsets[ID].Size);
Mods[n] := PWord(p)^;
Inc(n);
end;
Mods[n] := $FFFF;
Break;
End;
if L > R then Break;
End;
end;
Function MKnowledgeBase.GetIdx(OfsCnt:Integer;OfsArr:ArrOffsetInfo;ModuleIDs:TWordDynArray; ItemName:PAnsiChar;typeFix:Boolean):Integer;
var
ModuleID, ModID:Word;
ID,n, L, R,M,LN,RN,k,res:Integer;
p:PAnsiChar;
Begin
REsult:=-1;
L:=0;
R:=OfsCnt-1;
while True do
begin
M := (L + R) div 2;
ID := OfsArr[M].NamId;
p := GetKBCachePtr(OfsArr[ID].Offset, OfsArr[ID].Size);
if typeFix then Inc(p,4);
res := stricomp(ItemName, p + 4);
if res < 0 then R := M - 1
else if res > 0 then L := M + 1
else
begin
LN:=BoundL(M,OfsArr,ItemName,Nil,typeFix);
RN:=BoundR(M,OfsCnt,OfsArr,ItemName,Nil,typeFix);
for N := LN + 1 To RN-1 do
begin
ID := OfsArr[N].NamId;
p := GetKBCachePtr(OfsArr[ID].Offset, OfsArr[ID].Size);
if typeFix then Inc(p,4);
ModID := PWord(p)^;
for k:=Low(ModuleIDs) to High(ModuleIDs) do
begin
ModuleID := ModuleIDs[k];
if ModuleID = $FFFF then break;
if ModuleID = ModID then
Begin
Result:=N;
Exit;
end;
End;
End;
//Nothing found - exit
Exit;
End;
if L > R then Break;
End;
end;
Function MKnowledgeBase.GetIdxName(OfsCnt:Integer;OfsArr:ArrOffsetInfo;ItemName:PAnsiChar; Var ItemIdx:Integer;typeFix:Boolean):Integer;
var
ID, L, R,M,res,Num:Integer;
p:PAnsiChar;
Begin
Result:=0;
L := 0;
R := ConstCount - 1;
while true do
begin
M := (L + R) div 2;
ID := OfsArr[M].NamId;
p := GetKBCachePtr(OfsArr[ID].Offset, OfsArr[ID].Size);
if typeFix then Inc(p,4);
res := stricomp(ItemName, p + 4);
if res < 0 then R := M - 1
else if res > 0 then L := M + 1
else
begin
Num := 1;
ItemIdx := M;
BoundL(M,OfsArr,ItemName,@Num,typeFix);
BoundR(M,OfsCnt,OfsArr,ItemName,@Num,typeFix);
Result:=Num;
Exit;
End;
if L > R then Break;
End;
end;
//Return sections containing given ItemName
Function MKnowledgeBase.GetItemSection (ModuleIDs:TWordDynArray; ItemName:PAnsiChar):TKBset;
Begin
Result := [];
if not Inited Or (ItemName=Nil)or(ItemName^=#0) then Exit;
if GetIdx(ConstCount,ConstOffsets,ModuleIDs,ItemName,False)<>-1 then Include(Result, KB_CONST_SECTION);
if GetIdx(TypeCount,TypeOffsets,ModuleIDs,ItemName,Version>=2{True})<>-1 then Include(Result, KB_TYPE_SECTION);
If GetIdx(VarCount,VarOffsets,ModuleIDs,ItemName,False)<>-1 then Include(Result, KB_VAR_SECTION);
if GetIdx(ResStrCount,ResStrOffsets,ModuleIDs,ItemName,False)<>-1 then Include(Result, KB_RESSTR_SECTION);
if GetIdx(ProcCount,ProcOffsets,ModuleIDs,ItemName,False)<>-1 Then Include(Result, KB_PROC_SECTION);
end;
//Return constant index by name in given ModuleID
Function MKnowledgeBase.GetConstIdx (ModuleIDs:TWordDynArray; ConstName:PAnsiChar):Integer;
Begin
if not Inited or (ModuleIDs=Nil) or (ConstName=Nil)
or (ConstName^=#0) or (ConstCount=0) then Result:=-1
Else Result:=GetIdx(ConstCount,ConstOffsets,ModuleIDs,ConstName,False);
end;
Function MKnowledgeBase.GetConstIdxs (ConstName:PAnsiChar; Var ConstIdx:Integer):Integer;
Begin
ConstIdx := -1;
if not Inited or (ConstName=Nil) Or (ConstName^=#0) or (ConstCount=0) then Result:=0
else Result:=GetIdxName(ConstCount,ConstOffsets,ConstName,ConstIdx,False);
end;
Function MKnowledgeBase.GetTypeIdxByModuleIds (ModuleIDs:TWordDynArray; TypeName:PAnsiChar):Integer;
Begin
if not Inited or (ModuleIDs=Nil) or (TypeName=Nil)
or (TypeName^=#0) or (TypeCount=0) then Result:=-1
Else Result:=GetIdx(TypeCount,TypeOffsets,ModuleIDs,TypeName,Version>=2{True});
end;
Function MKnowledgeBase.GetTypeIdxsByName (TypeName:PAnsiChar; Var TypeIdx:Integer):Integer;
Begin
TypeIdx := -1;
if not Inited or (TypeName=Nil) Or (TypeName^=#0) or (TypeCount=0) then Result:=0
else Result:=GetIdxName(TypeCount,TypeOffsets,TypeName,TypeIdx,Version>=2{True});
end;
Function MKnowledgeBase.GetTypeIdxByUID (UID:AnsiString):Integer;
Begin
// empty function
Result:=0;
end;
Function MKnowledgeBase.GetVarIdx (ModuleIDs:TWordDynArray; VarName:PAnsiChar):Integer;
Begin
if not Inited or (ModuleIDs=Nil) or (VarName=Nil)
or (VarName^=#0) or (VarCount=0) then Result:=-1
Else Result:=GetIdx(VarCount,VarOffsets,ModuleIDs,VarName,False);
end;
Function MKnowledgeBase.GetResStrIdx (from:Integer; ResStrContext:PAnsiChar):Integer;
var
n,ID:Integer;
p:PAnsiChar;
len:Word;
Begin
Result:=-1;
if not Inited or (ResStrContext=Nil) or (ResStrContext^=#0) or (ResStrCount=0) then Exit;
for n := from To ResStrCount-1 do
begin
ID := ResStrOffsets[n].NamId;
p := GetKBCachePtr(ResStrOffsets[ID].Offset, ResStrOffsets[ID].Size);
//ModuleID
Inc(p, 2);
//ResStrName
len := PWord(p)^;
Inc(p, len + 3);
//TypeDef
len := PWord(p)^;
Inc(p, len + 5);
//Context
if stricomp(ResStrContext, p)=0 then
begin
Result:=n;
Exit;
end;
End;
end;
Function MKnowledgeBase.GetResStrIdx(ModuleID:Word; ResStrContext:PAnsiChar):Integer;
var
n,ID:Integer;
p:PAnsiChar;
modID,len:Word;
Begin
Result:=-1;
if not Inited or (ResStrContext=Nil) or (ResStrContext^=#0) or (ResStrCount=0) then Exit;
for n := 0 To ResStrCount-1 do
begin
ID := ResStrOffsets[n].NamId;
p := GetKBCachePtr(ResStrOffsets[ID].Offset, ResStrOffsets[ID].Size);
//ModuleID
ModID := PWord(p)^;
Inc(p, 2);
//ResStrName
len := PWord(p)^;
Inc(p, len + 3);
//TypeDef
len := PWord(p)^;
Inc(p,len + 5);
//Context
if (ModuleID = ModID) and (stricomp(ResStrContext, p)=0) then
begin
REsult:=n;
Exit;
end;
end;
end;
Function MKnowledgeBase.GetResStrIdx(ModuleIDs:TWordDynArray; ResStrName:PAnsiChar):Integer;
Begin
if not Inited or (ModuleIDs=Nil) or (ResStrName=Nil)
or (ResStrName^=#0) or (ResStrCount=0) then Result:=-1
Else Result:=GetIdx(ResStrCount,ResStrOffsets,ModuleIDs,ResStrName,False);
end;
//Return proc index by name in given ModuleID
Function MKnowledgeBase.GetProcIdx (ModuleID:Word; ProcName:PAnsiChar):Integer;
var
ID,n, L, R,M,LN,RN,res:Integer;
p:PAnsiChar;
Begin
Result:=-1;
if not Inited or (ModuleID=$FFFF) or (ProcName=Nil)
or (ProcName^=#0) or (ProcCount=0) then Exit;
L := 0;
R := ProcCount - 1;
while true do
begin
M := (L + R) div 2;
ID := ProcOffsets[M].NamId;
p := GetKBCachePtr(ProcOffsets[ID].Offset, ProcOffsets[ID].Size);
res := stricomp(ProcName, p + 4);
if res < 0 then R := M - 1
else if res > 0 then L := M + 1
else
begin
LN:=BoundL(M,ProcOffsets,ProcName,Nil,false);
RN:=BoundR(M,ProcCount,ProcOffsets,ProcName,Nil,false);
for N := LN + 1 To RN-1 do
begin
ID := ProcOffsets[N].NamId;
p := GetKBCachePtr(ProcOffsets[ID].Offset, ProcOffsets[ID].Size);
if ModuleID = PWord(p)^ then
Begin
Result:=n;
Exit;
end;
end;
//Nothing found - exit
Exit;
end;
if L > R then Break;
end;
end;
//Return proc index by name in given ModuleID
//Code used for selection required proc (if there are exist several procs with the same name)
Function MKnowledgeBase.GetProcIdx(ModuleID:Word; ProcName,code:PAnsiChar):Integer;
var
ID,n, L, R,M,LN,RN,res:Integer;
p:PAnsiChar;
aInfo:MProcInfo;
modID:Word;
Begin
Result:=-1;
if not Inited or (ModuleID=$FFFF) or (ProcName=Nil)
or (ProcName^=#0) or (ProcCount=0) then Exit;
L := 0;
R := ProcCount - 1;
while true do
begin
M := (L + R) div 2;
ID := ProcOffsets[M].NamId;
p := GetKBCachePtr(ProcOffsets[ID].Offset, ProcOffsets[ID].Size);
res := stricomp(ProcName, p + 4);
if res < 0 then R := M - 1
else if res > 0 then L := M + 1
else
begin
LN:=BoundL(M,ProcOffsets,ProcName,Nil,false);
RN:=BoundR(M,ProcCount,ProcOffsets,ProcName,Nil,false);
for N := LN + 1 to RN-1 do
begin
GetProcInfo(ProcOffsets[N].NamId, [INFO_DUMP], aInfo);
ModID := aInfo.ModuleID;
if MatchCode(code, @aInfo) And (ModuleID = ModID) Then
Begin
Result:=N;
Exit;
End;
End;
//Nothing found - exit
Exit;
end;
if L > R then Break;
End;
end;
//Return proc index by name in given array of ModuleID
Function MKnowledgeBase.GetProcIdx(ModuleIDs:TWordDynArray; ProcName,code:PAnsiChar):Integer;
var
n,L,R,M,LN,RN,k,res:Integer;
ID:Integer;
p:PAnsiChar;
aInfo:MProcInfo;
ModuleID, ModID:Word;
Begin
Result:=-1;
if not Inited or (ModuleIDs=Nil) or (ProcName=Nil)
or (ProcName^=#0) or (ProcCount=0) then Exit;
L := 0;
R := ProcCount - 1;
while true do
begin
M := (L + R) div 2;
ID := ProcOffsets[M].NamId;
p := GetKBCachePtr(ProcOffsets[ID].Offset, ProcOffsets[ID].Size);
res := stricomp(ProcName, p + 4);
if res < 0 then R := M - 1
else if res > 0 then L := M + 1
else
begin
LN:=BoundL(M,ProcOffsets,ProcName,Nil,false);
RN:=BoundR(M,ProcCount,ProcOffsets,ProcName,Nil,false);
for N := LN + 1 to RN-1 do
begin
GetProcInfo(ProcOffsets[N].NamId, [INFO_DUMP], aInfo);
ModID := aInfo.ModuleID;
if Assigned(code) then
begin
if MatchCode(code, @aInfo) then
for k := Low(ModuleIDs) to High(ModuleIDs) do
begin
ModuleID := ModuleIDs[k];
if ModuleID = $FFFF then break;
if ModuleID = ModID Then
Begin
Result:=N;
Exit;
End;
End;
end
else for k := Low(ModuleIDs) to High(ModuleIDs) do
begin
ModuleID := ModuleIDs[k];
if ModuleID = $FFFF then break;
if ModuleID = ModID Then
Begin
Result:=N;
Exit;
End;
End;
End;
//Nothing found - exit
Exit;
end;
if L > R Then Break;
End;
end;
//Seek first ans last proc ID in given module
Function MKnowledgeBase.GetProcIdxs (ModuleID:Word;FirstProcIdx, LastProcIdx:PInteger):Boolean;
var
ID,L,R,M,LN,RN:Integer;
p:PAnsiChar;
modID:Word;
Begin
Result:=False;
if not Inited or (ModuleID = $FFFF) or (ProcCount=0) or
(FirstProcIdx=Nil) or (LastProcIdx=Nil) then Exit;
FirstProcIdx^ := -1;
LastProcIdx^ := -1;
L := 0;
R := ProcCount - 1;
while true do
begin
M := (L + R) div 2;
ID := ProcOffsets[M].ModId;
p := GetKBCachePtr(ProcOffsets[ID].Offset, ProcOffsets[ID].Size);
ModID := PWord(p)^;
if ModuleID < ModID then R := M - 1
else if ModuleID > ModID then L := M + 1
else
begin
FirstProcIdx^ := M;
LastProcIdx^ := M;
//Find left boundary
for LN := M - 1 downto 0 do
begin
ID := ProcOffsets[LN].ModId;
p := GetKBCachePtr(ProcOffsets[ID].Offset, ProcOffsets[ID].Size);
ModID := PWord(p)^;
if ModID <> ModuleID then break;
FirstProcIdx^ := LN;
end;
//Find right boundary
for RN := M + 1 to ProcCount-1 do
begin
ID := ProcOffsets[RN].ModId;
p := GetKBCachePtr(ProcOffsets[ID].Offset, ProcOffsets[ID].Size);
ModID := PWord(p)^;
if ModID <> ModuleID then break;
LastProcIdx^ := RN;
End;
Result:=true;
Exit;
End;
if L > R then Break;
end;
end;
Function MKnowledgeBase.GetProcIdxs(ModuleID:Word; var FirstProcIdx, LastProcIdx, DumpSize:Integer):Boolean;
var
ID,L,R,M,LN,RN,k:Integer;
modID,len:Word;
p:PAnsiChar;
Begin
Result:=False;
if not Inited or (ModuleID = $FFFF) or (ProcCount=0) then Exit;
FirstProcIdx := -1;
LastProcIdx := -1;
DumpSize := 0;
L := 0;
R := ProcCount - 1;
while true do
begin
M := (L + R) Div 2;
ID := ProcOffsets[M].ModId;
p := GetKBCachePtr(ProcOffsets[ID].Offset, ProcOffsets[ID].Size);
ModID := PWord(p)^;
if ModuleID < ModID then R := M - 1
else if ModuleID > ModID then L := M + 1
else
begin
FirstProcIdx := M;
LastProcIdx := M;
//Find left boundary
for LN := M - 1 Downto 0 do
begin
ID := ProcOffsets[LN].ModId;
p := GetKBCachePtr(ProcOffsets[ID].Offset, ProcOffsets[ID].Size);
ModID := PWord(p)^;
if ModID <> ModuleID then break;
FirstProcIdx := LN;
End;
//Find right boundary
for RN := M + 1 to ProcCount-1 do
begin
ID := ProcOffsets[RN].ModId;
p := GetKBCachePtr(ProcOffsets[ID].Offset, ProcOffsets[ID].Size);
ModID := PWord(p)^;
if ModID <> ModuleID then break;
LastProcIdx := RN;
End;
for k := FirstProcIdx to LastProcIdx do
begin
p := GetKBCachePtr(ProcOffsets[k].Offset, ProcOffsets[k].Size);
//ModuleID
Inc(p, 2);
//ProcName
Len := PWord(p)^;
Inc(p, Len + 3);
//Embedded
Inc(p);
//DumpType
Inc(p);
//MethodKind
Inc(p);
//CallKind
Inc(p);
//VProc
Inc(p, 4);
//TypeDef
Len := PWord(p)^;
Inc(p, Len + 3);
//DumpTotal
Inc(p, 4);
//DumpSz
Inc(DumpSize, (PInteger(p)^ + 3) and (-4));
End;
Result:=true;
Exit;
End;
if L > R then Break;
end;
end;
//ConstIdx was given by const name
Function MKnowledgeBase.GetConstInfo (AConstIdx:Integer; AFlags:TInfoFlagSet; var cInfo:MConstInfo):Boolean;
var
//DumpTotal:Integer;
p:PAnsiChar;
len:Word;
Begin
Result:=False;
if not Inited or (AConstIdx = -1) then Exit;
p := GetKBCachePtr(ConstOffsets[AConstIdx].Offset, ConstOffsets[AConstIdx].Size);
cInfo.ModuleID := PWord(p)^;
Inc(p, 2);
Len := PWord(p)^;
Inc(p, 2);
cInfo.ConstName := String(p);
Inc(p, Len + 1);
cInfo._Type := Byte(p^);
Inc(p);
Len := PWord(p)^;
Inc(p, 2);
cInfo.TypeDef := String(p);
Inc(p, Len + 1);
Len := PWord(p)^;
Inc(p, 2);
cInfo.Value := String(p);
Inc(p, Len + 1);
//DumpTotal := PInteger(p)^;
Inc(p, 4);
cInfo.DumpSz := PInteger(p)^;
Inc(p,4);
cInfo.FixupNum := PInteger(p)^;
Inc(p, 4);
cInfo.Dump := Nil;
if INFO_DUMP in AFlags then
if cInfo.DumpSz<>0 then cInfo.Dump := p;
Result:=True;
end;
Function MKnowledgeBase.GetProcInfo (ProcName:PAnsiChar; AFlags:TInfoFlagSet; out pInfo:MProcInfo; Var procIdx:Integer):Boolean;
var
ID,L,R,M,LN,RN,res:Integer;
DumpTotal,ArgsTotal:Integer;
p,p1:PAnsiChar;
Len:Word;
Begin
Result:=false;
if not Inited or (ProcName=Nil) or (ProcName^=#0) or (ProcCount=0) then Exit;
L := 0;
R := ProcCount - 1;
while true do
begin
M := (L + R) div 2;
ID := ProcOffsets[M].NamId;
p := GetKBCachePtr(ProcOffsets[ID].Offset, ProcOffsets[ID].Size);
res := stricomp(ProcName, p + 4);
if res < 0 then R := M - 1
else if res > 0 then L := M + 1
else
begin
LN:=BoundL(M,ProcOffsets,ProcName,Nil,false);
RN:=BoundR(M,ProcCount,ProcOffsets,ProcName,Nil,false);
if RN - LN - 1 = 1 then
begin
procIdx := ProcOffsets[M].NamId;
p := GetKBCachePtr(ProcOffsets[procIdx].Offset, ProcOffsets[procIdx].Size);
pInfo.ModuleID := PWord(p)^;
Inc(p, 2);
Len := PWord(p)^;
Inc(p, 2);
pInfo.ProcName := String(p);
Inc(p, Len + 1);
pInfo.Embedded := p^ <> #0;
Inc(p);
pInfo.DumpType := p^;
Inc(p);
pInfo.MethodKind := p^;
Inc(p);
pInfo.CallKind := Byte(p^);
Inc(p);
pInfo.VProc := PInteger(p)^;
Inc(p, 4);
Len := PWord(p)^;
Inc(p, 2);
pInfo.TypeDef := TrimTypeName(String(p));
Inc(p,Len + 1);
DumpTotal := PInteger(p)^;
Inc(p, 4);
p1 := p;
pInfo.DumpSz := PInteger(p)^;
Inc(p, 4);
pInfo.FixupNum := PInteger(p)^;
Inc(p, 4);
pInfo.Dump := Nil;
if INFO_DUMP in AFlags then
if pInfo.DumpSz<>0 then pInfo.Dump := p;
p := p1 + DumpTotal;
ArgsTotal := PInteger(p)^;
Inc(p, 4);
p1 := p;
pInfo.ArgsNum := PWord(p)^;
Inc(p, 2);
pInfo.Args := Nil;
if INFO_ARGS in AFlags then
if pInfo.ArgsNum<>0 then pInfo.Args := p;
p := p1 + ArgsTotal;
(*
LocalsTotal := PInteger(p)^;
Inc(p, 4);
pInfo.LocalsNum := PWord(p)^;
Inc(p, 2);
pInfo.Locals := 0;
if (AFlags and INFO_LOCALS)<>0 then
if (pInfo.LocalsNum) pInfo.Locals := p;
*)
Result:=True;
Exit;
End;
//More than 2 items found
(*
for nnn := LN + 1 to RN - 1 do
begin
ID := ProcOffsets[nnn].NamId;
p := GetKBCachePtr(ProcOffsets[ID].Offset, ProcOffsets[ID].Size);
pInfo.ModuleID := PWord(p)^;
Inc(p, 2);
Len := PWord(p)^;
Inc(p, 2);
pInfo.ProcName := String(p);
Inc(p, Len + 1);
pInfo.Embedded := p^ <> #0;
Inc(p);
pInfo.DumpType := p^;
Inc(p);
pInfo.MethodKind := p^;
Inc(p);
pInfo.CallKind := Byte(p^);
Inc(p);
pInfo.VProc := PInteger(p)^;
Inc(p, 4);
Len := PWord(p)^;
Inc(p, 2);
pInfo.TypeDef := TrimTypeName(String(p));
Inc(p, Len + 1);
DumpTotal := PInteger(p)^;
Inc(p, 4);
p1 := p;
pInfo.DumpSz := PInteger(p)^;
Inc(p,4);
pInfo.FixupNum := PInteger(p)^;
Inc(p, 4);
pInfo.Dump := Nil;
if (AFlags and INFO_DUMP)<>0 then
if pInfo.DumpSz<>0 then pInfo.Dump := p;
p := p1 + DumpTotal;
ArgsTotal := PInteger(p)^;
Inc(p,4);
p1 := p;
pInfo.ArgsNum := PWord(p)^;
Inc(p, 2);
pInfo.Args := Nil;
if (AFlags and INFO_ARGS)<>0 then
if pInfo.ArgsNum<>0 then pInfo.Args := p;
end;
*)
Exit;
end;
if L > R then Break;
End;
end;