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codetools: auto indent: if there are lines in front without block information, copy indent

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git-svn-id: trunk@22511 -
This commit is contained in:
mattias 2009-11-09 23:03:26 +00:00
parent 9418344681
commit 1b67a0cfa5
1 changed files with 30 additions and 8 deletions
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34
components/codetools/codebeautifier.pas
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@ -304,12 +304,13 @@ type
Top: integer;
TopType: TFABBlockType;
LastBlockClosed: TBlock;
LastBlockClosedAt: integer;
constructor Create;
destructor Destroy; override;
procedure BeginBlock(Typ: TFABBlockType; StartPos: integer);
procedure EndBlock;
procedure EndBlock(EndPos: integer);
function TopMostIndexOf(Typ: TFABBlockType): integer;
function EndTopMostBlock(Typ: TFABBlockType): boolean;
function EndTopMostBlock(Typ: TFABBlockType; EndPos: integer): boolean;
{$IFDEF ShowCodeBeautifier}
Src: string;
function PosToStr(p: integer): string;
@ -428,9 +429,10 @@ begin
TopType:=Typ;
LastBlockClosed.Typ:=bbtNone;
LastBlockClosed.StartPos:=0;
LastBlockClosedAt:=0;
end;
procedure TFABBlockStack.EndBlock;
procedure TFABBlockStack.EndBlock(EndPos: integer);
begin
{$IFDEF ShowCodeBeautifier}
DebugLn([GetIndentStr(Top*2),'TFABBlockStack.EndBlock ',FABBlockTypeNames[TopType]]);
@ -440,6 +442,7 @@ begin
dec(Top);
if Top>=0 then begin
LastBlockClosed:=Stack[Top+1];
LastBlockClosedAt:=EndPos;
TopType:=Stack[Top].Typ;
end else
TopType:=bbtNone;
@ -451,7 +454,8 @@ begin
while (Result>=0) and (Stack[Result].Typ<>Typ) do dec(Result);
end;
function TFABBlockStack.EndTopMostBlock(Typ: TFABBlockType): boolean;
function TFABBlockStack.EndTopMostBlock(Typ: TFABBlockType;
EndPos: integer): boolean;
// check if there is this type on the stack and if yes, end it
var
i: LongInt;
@ -459,7 +463,7 @@ begin
i:=TopMostIndexOf(Typ);
if i<0 then exit(false);
Result:=true;
while Top>=i do EndBlock;
while Top>=i do EndBlock(EndPos);
end;
{$IFDEF ShowCodeBeautifier}
@ -547,7 +551,7 @@ var
DebugLn([GetIndentStr(Stack.Top*2),'EndBlock ',FABBlockTypeNames[Stack.TopType],' ',GetAtomString(@Src[AtomStart],NestedComments),' at ',PosToStr(p)]);
{$ENDIF}
FirstAtomOnNewLine:=false;
Stack.EndBlock;
Stack.EndBlock(p);
end;
procedure EndTopMostBlock(Typ: TFABBlockType);
@ -1511,6 +1515,7 @@ var
Policies: TFABPolicies;
LastAtomStart, LastAtomEnd: integer;
StackIndex: LongInt;
PrevLineAtomEndPos: LongInt;
begin
Result:=false;
FillByte(Indent,SizeOf(Indent),0);
@ -1582,11 +1587,28 @@ begin
exit(true);
end;
// search last non empty line start
PrevLineAtomEndPos:=CleanPos;
while (PrevLineAtomEndPos>0) and (Source[PrevLineAtomEndPos] in [#10,#13]) do
dec(PrevLineAtomEndPos);
if (PrevLineAtomEndPos>0) then
PrevLineAtomEndPos:=FindPrevNonSpace(Source,PrevLineAtomEndPos);
if Stack.LastBlockClosed.StartPos>0 then begin
// a child block was closed
if (Stack.LastBlockClosedAt>0)
and PositionsInSameLine(Source,Stack.LastBlockClosedAt,PrevLineAtomEndPos)
then begin
// between block end and CleanPos are only empty lines
// => indent like the last child block one
Indent.Indent:=GetLineIndentWithTabs(Source,
Stack.LastBlockClosed.StartPos,DefaultTabWidth);
end else begin
// between block end and CleanPos are non empty lines
// => indent like the last non empty line
Indent.Indent:=GetLineIndentWithTabs(Source,
PrevLineAtomEndPos,DefaultTabWidth);
end;
Indent.IndentValid:=true;
exit(true);
end;