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codetools: implemented TCCodeParserTool.Replace

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git-svn-id: trunk@14281 -
This commit is contained in:
mattias 2008-02-27 14:10:09 +00:00
parent e748b6291f
commit e5c953b67b
1 changed files with 25 additions and 0 deletions
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25
components/codetools/ccodeparsertool.pas
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@ -88,6 +88,8 @@ type
function AtomIsIdentifier: boolean; function AtomIsIdentifier: boolean;
function GetAtom: string; function GetAtom: string;
procedure Replace(FromPos, ToPos: integer; const NewSrc: string);
procedure IncreaseChangeStep; procedure IncreaseChangeStep;
procedure WriteDebugReport; procedure WriteDebugReport;
@ -210,6 +212,29 @@ begin
Result:=copy(Src,AtomStart,SrcPos-AtomStart); Result:=copy(Src,AtomStart,SrcPos-AtomStart);
end; end;
procedure TCCodeParserTool.Replace(FromPos, ToPos: integer; const NewSrc: string
);
var
Node: TCodeTreeNode;
DiffPos: Integer;
begin
DebugLn(['TCCodeParserTool.Replace ',FromPos,'-',ToPos,' Old="',copy(Src,FromPos,ToPos-FromPos),'" New="',NewSrc,'"']);
IncreaseChangeStep;
Code.Replace(FromPos,ToPos-FromPos,NewSrc);
Src:=Code.Source;
SrcLen:=length(Src);
// update positions
DiffPos:=length(NewSrc)-(ToPos-FromPos);
if DiffPos<>0 then begin
Node:=Tree.Root;
while Node<>nil do begin
AdjustPositionAfterInsert(Node.StartPos,true,FromPos,ToPos,DiffPos);
AdjustPositionAfterInsert(Node.EndPos,false,FromPos,ToPos,DiffPos);
Node:=Node.Next;
end;
end;
end;
procedure TCCodeParserTool.IncreaseChangeStep; procedure TCCodeParserTool.IncreaseChangeStep;
begin begin
if FChangeStep<>$7fffffff then if FChangeStep<>$7fffffff then