From 4567f3e78d3c27ca9955b9a021accca0401e083c Mon Sep 17 00:00:00 2001
From: lazarus <lazarus@lazarus-ide.org>
Date: Wed, 1 May 2002 06:36:25 +0000
Subject: [PATCH] MG: fixed find property

git-svn-id: trunk@1655 -
---
 components/codetools/customcodetool.pas      | 418 ++++++++++---------
 components/codetools/finddeclarationtool.pas |   2 +-
 2 files changed, 212 insertions(+), 208 deletions(-)

diff --git a/components/codetools/customcodetool.pas b/components/codetools/customcodetool.pas
index dbdbcdf72c..c778e5bf88 100644
--- a/components/codetools/customcodetool.pas
+++ b/components/codetools/customcodetool.pas
@@ -595,6 +595,8 @@ procedure TCustomCodeTool.ReadNextAtom;
 var c1, c2: char;
   CommentLvl: integer;
 begin
+  {$IFOPT R+}{$DEFINE RangeChecking}{$ENDIF}
+  {$R-}
   if (CurPos.StartPos<CurPos.EndPos) then
     LastAtoms.Add(CurPos);
   if NextPos.StartPos>=1 then begin
@@ -604,51 +606,55 @@ begin
   end;
   CurPos.StartPos:=CurPos.EndPos;
   CurPos.Flag:=cafNone;
+  if CurPos.StartPos>SrcLen then
+    exit;
   // Skip all spaces and comments
   CommentLvl:=0;
-  while CurPos.StartPos<=SrcLen do begin
-    if IsCommentStartChar[Src[CurPos.StartPos]] then begin
-      case Src[CurPos.StartPos] of
-      '{': // pascal comment
-        begin
-          CommentLvl:=1;
-          inc(CurPos.StartPos);
-          while (CurPos.StartPos<=SrcLen) and (CommentLvl>0) do begin
-            case Src[CurPos.StartPos] of
-            '{': if Scanner.NestedComments then inc(CommentLvl);
-            '}': dec(CommentLvl);
-            end;
-            inc(CurPos.StartPos);
-          end;
-        end;
-      '/':  // Delphi comment
-        if (CurPos.StartPos<SrcLen) and (Src[CurPos.StartPos+1]='/') then begin
-          inc(CurPos.StartPos,2);
-          while (CurPos.StartPos<=SrcLen)
-          and (not (Src[CurPos.StartPos] in [#10,#13])) do
-            inc(CurPos.StartPos);
-          inc(CurPos.StartPos);
-          if (CurPos.StartPos<=SrcLen) and (Src[CurPos.StartPos] in [#10,#13])
-          and (Src[CurPos.StartPos-1]<>Src[CurPos.StartPos]) then
-            inc(CurPos.StartPos);
-        end else
-          break;
-      '(': // old turbo pascal comment
-        if (CurPos.StartPos<SrcLen) and (Src[CurPos.StartPos+1]='*') then begin
-          inc(CurPos.StartPos,3);
-          while (CurPos.StartPos<=SrcLen)
-          and ((Src[CurPos.StartPos-1]<>'*') or (Src[CurPos.StartPos]<>')')) do
-            inc(CurPos.StartPos);
-          inc(CurPos.StartPos);  
-        end else
-          break;
-      end;
-    end else if IsSpaceChar[Src[CurPos.StartPos]] then begin
-      repeat
+  while true do begin
+    case Src[CurPos.StartPos] of
+    #0:
+      if CurPos.StartPos>SrcLen then
+        break
+      else
         inc(CurPos.StartPos);
-      until (CurPos.StartPos>SrcLen)
-      or (not (IsSpaceChar[Src[CurPos.StartPos]]));
-    end else begin
+    #1..#32:
+      inc(CurPos.StartPos);
+    '{': // pascal comment
+      begin
+        CommentLvl:=1;
+        inc(CurPos.StartPos);
+        while (CurPos.StartPos<=SrcLen) and (CommentLvl>0) do begin
+          case Src[CurPos.StartPos] of
+          '{': if Scanner.NestedComments then inc(CommentLvl);
+          '}': dec(CommentLvl);
+          end;
+          inc(CurPos.StartPos);
+        end;
+      end;
+    '/':  // Delphi comment
+      if (Src[CurPos.StartPos+1]<>'/') then begin
+        break;
+      end else begin
+        inc(CurPos.StartPos,2);
+        while (CurPos.StartPos<=SrcLen)
+        and (not (Src[CurPos.StartPos] in [#10,#13])) do
+          inc(CurPos.StartPos);
+        inc(CurPos.StartPos);
+        if (CurPos.StartPos<=SrcLen) and (Src[CurPos.StartPos] in [#10,#13])
+        and (Src[CurPos.StartPos-1]<>Src[CurPos.StartPos]) then
+          inc(CurPos.StartPos);
+      end;
+    '(': // old turbo pascal comment
+      if (Src[CurPos.StartPos+1]<>'*') then begin
+        break;
+      end else begin
+        inc(CurPos.StartPos,3);
+        while (CurPos.StartPos<=SrcLen)
+        and ((Src[CurPos.StartPos-1]<>'*') or (Src[CurPos.StartPos]<>')')) do
+          inc(CurPos.StartPos);
+        inc(CurPos.StartPos);
+      end;
+    else
       break;
     end;
   end;
@@ -658,190 +664,188 @@ begin
   // read atom
   c1:=UpperSrc[CurPos.EndPos];
   case c1 of
-    '_','A'..'Z':
-      begin
+  '_','A'..'Z':
+    begin
+      inc(CurPos.EndPos);
+      while (IsIdentChar[UpperSrc[CurPos.EndPos]]) do
         inc(CurPos.EndPos);
-        while (CurPos.EndPos<=SrcLen)
-        and (IsIdentChar[UpperSrc[CurPos.EndPos]]) do
-          inc(CurPos.EndPos);
-        CurPos.Flag:=cafWord;
-        case UpperSrc[CurPos.StartPos] of
-        'B':
-          if (CurPos.EndPos-CurPos.StartPos=5)
-          and UpAtomIs('BEGIN')
-          then
-            CurPos.Flag:=cafBegin;
-        'E':
-          if (CurPos.EndPos-CurPos.StartPos=3)
-          and (UpperSrc[CurPos.StartPos+1]='N')
-          and (UpperSrc[CurPos.StartPos+2]='D')
-          then
-            CurPos.Flag:=cafEnd;
-        'R':
-          if (CurPos.EndPos-CurPos.StartPos=7)
-          and UpAtomIs('RECORD')
-          then
-            CurPos.Flag:=cafRecord;
-        end;
+      CurPos.Flag:=cafWord;
+      case c1 of
+      'B':
+        if (CurPos.EndPos-CurPos.StartPos=5)
+        and UpAtomIs('BEGIN')
+        then
+          CurPos.Flag:=cafBegin;
+      'E':
+        if (CurPos.EndPos-CurPos.StartPos=3)
+        and (UpperSrc[CurPos.StartPos+1]='N')
+        and (UpperSrc[CurPos.StartPos+2]='D')
+        then
+          CurPos.Flag:=cafEnd;
+      'R':
+        if (CurPos.EndPos-CurPos.StartPos=7)
+        and UpAtomIs('RECORD')
+        then
+          CurPos.Flag:=cafRecord;
       end;
-    '''','#':
-      begin
-        while (CurPos.EndPos<=SrcLen) do begin
-          case (Src[CurPos.EndPos]) of
-          '#':
-            begin
-              inc(CurPos.EndPos);
-              if (CurPos.EndPos<=SrcLen) then begin
-                if (IsNumberChar[Src[CurPos.EndPos]]) then begin
-                  // decimal
-                  repeat
-                    inc(CurPos.EndPos);
-                  until (CurPos.EndPos>SrcLen)
-                        or (not IsNumberChar[Src[CurPos.EndPos]]);
-                end else if Src[CurPos.EndPos]='$' then begin
-                  // hexadecimal
-                  repeat
-                    inc(CurPos.EndPos);
-                  until (CurPos.EndPos>SrcLen)
-                        or (not IsHexNumberChar[Src[CurPos.EndPos]]);
-                end;
-              end;
-            end;
-          '''':
-            begin
-              inc(CurPos.EndPos);
-              while (CurPos.EndPos<=SrcLen) do begin
-                case Src[CurPos.EndPos] of
-                
-                '''':
-                  begin
-                    inc(CurPos.EndPos);
-                    break;
-                  end;
-                  
-                #10,#13:
-                  break;
-                  
-                else
+    end;
+  '''','#':
+    begin
+      while (CurPos.EndPos<=SrcLen) do begin
+        case (Src[CurPos.EndPos]) of
+        '#':
+          begin
+            inc(CurPos.EndPos);
+            if (CurPos.EndPos<=SrcLen) then begin
+              if (IsNumberChar[Src[CurPos.EndPos]]) then begin
+                // decimal
+                repeat
                   inc(CurPos.EndPos);
-                end;
+                until (CurPos.EndPos>SrcLen)
+                      or (not IsNumberChar[Src[CurPos.EndPos]]);
+              end else if Src[CurPos.EndPos]='$' then begin
+                // hexadecimal
+                repeat
+                  inc(CurPos.EndPos);
+                until (CurPos.EndPos>SrcLen)
+                      or (not IsHexNumberChar[Src[CurPos.EndPos]]);
               end;
             end;
-          else
-            break;
           end;
+        '''':
+          begin
+            inc(CurPos.EndPos);
+            while (CurPos.EndPos<=SrcLen) do begin
+              case Src[CurPos.EndPos] of
+
+              '''':
+                begin
+                  inc(CurPos.EndPos);
+                  break;
+                end;
+
+              #10,#13:
+                break;
+
+              else
+                inc(CurPos.EndPos);
+              end;
+            end;
+          end;
+        else
+          break;
         end;
       end;
-    '0'..'9':
-      begin
+    end;
+  '0'..'9':
+    begin
+      inc(CurPos.EndPos);
+      while (CurPos.EndPos<=SrcLen) and (IsNumberChar[Src[CurPos.EndPos]]) do
         inc(CurPos.EndPos);
-        while (CurPos.EndPos<=SrcLen) and (IsNumberChar[Src[CurPos.EndPos]]) do
+      if (CurPos.EndPos<SrcLen)
+      and (Src[CurPos.EndPos]='.') and (Src[CurPos.EndPos+1]<>'.') then begin
+        // real type number
+        inc(CurPos.EndPos);
+        while (CurPos.EndPos<=SrcLen) and (IsNumberChar[Src[CurPos.EndPos]])
+        do
           inc(CurPos.EndPos);
-        if (CurPos.EndPos<SrcLen)
-        and (Src[CurPos.EndPos]='.') and (Src[CurPos.EndPos+1]<>'.') then begin
-          // real type number
+        if (CurPos.EndPos<=SrcLen) and (UpperSrc[CurPos.EndPos]='E') then
+        begin
+          // read exponent
           inc(CurPos.EndPos);
+          if (CurPos.EndPos<=SrcLen) and (Src[CurPos.EndPos] in ['-','+'])
+          then inc(CurPos.EndPos);
           while (CurPos.EndPos<=SrcLen) and (IsNumberChar[Src[CurPos.EndPos]])
           do
             inc(CurPos.EndPos);
-          if (CurPos.EndPos<=SrcLen) and (UpperSrc[CurPos.EndPos]='E') then
-          begin
-            // read exponent
-            inc(CurPos.EndPos);
-            if (CurPos.EndPos<=SrcLen) and (Src[CurPos.EndPos] in ['-','+'])
-            then inc(CurPos.EndPos);
-            while (CurPos.EndPos<=SrcLen) and (IsNumberChar[Src[CurPos.EndPos]])
-            do
-              inc(CurPos.EndPos);
-          end;
         end;
       end;
-    '%':
-      begin
-        inc(CurPos.EndPos);
-        while (CurPos.EndPos<=SrcLen) and (Src[CurPos.EndPos] in ['0'..'1']) do
-          inc(CurPos.EndPos);
-      end;
-    '$':
-      begin
-        inc(CurPos.EndPos);
-        while (CurPos.EndPos<=SrcLen)
-        and (IsHexNumberChar[UpperSrc[CurPos.EndPos]]) do
-          inc(CurPos.EndPos);
-      end;
-    ';':
-      begin
-        inc(CurPos.EndPos);
-        CurPos.Flag:=cafSemicolon;
-      end;
-    ',':
-      begin
-        inc(CurPos.EndPos);
-        CurPos.Flag:=cafComma;
-      end;
-    '=':
-      begin
-        inc(CurPos.EndPos);
-        CurPos.Flag:=cafEqual;
-      end;
-    '(':
-      begin
-        inc(CurPos.EndPos);
-        CurPos.Flag:=cafRoundBracketOpen;
-      end;
-    ')':
-      begin
-        inc(CurPos.EndPos);
-        CurPos.Flag:=cafRoundBracketClose;
-      end;
-    '[':
-      begin
-        inc(CurPos.EndPos);
-        CurPos.Flag:=cafEdgedBracketOpen;
-      end;
-    ']':
-      begin
-        inc(CurPos.EndPos);
-        CurPos.Flag:=cafEdgedBracketClose;
-      end;
-    ':':
-      begin
-        inc(CurPos.EndPos);
-        if (CurPos.EndPos>SrcLen) or (Src[CurPos.EndPos]<>'=') then begin
-          CurPos.Flag:=cafColon;
-        end else begin
-          // :=
-          inc(CurPos.EndPos);
-        end;
-      end;
-    '.':
-      begin
-        inc(CurPos.EndPos);
-        if (CurPos.EndPos>SrcLen) or (Src[CurPos.EndPos]<>'.') then begin
-          CurPos.Flag:=cafPoint;
-        end else begin
-          // ..
-          inc(CurPos.EndPos);
-        end;
-      end;
-    else
+    end;
+  '%':
+    begin
       inc(CurPos.EndPos);
-      if CurPos.EndPos<=SrcLen then begin
-        c2:=Src[CurPos.EndPos];
-        // test for double char operators :=, +=, -=, /=, *=, <>, <=, >=, **, ><
-        if ((c2='=') and  (IsEqualOperatorStartChar[c1]))
-        or ((c1='<') and (c2='>')) // not equal
-        or ((c1='>') and (c2='<'))
-        or ((c1='.') and (c2='.')) // subrange
-        or ((c1='*') and (c2='*'))
-        then inc(CurPos.EndPos);
-        if ((c1='@') and (c2='@')) then begin
-          repeat
-            inc(CurPos.EndPos);
-          until (CurPos.EndPos>SrcLen) or (not IsIdentChar[Src[CurPos.EndPos]]);
-        end;
+      while (CurPos.EndPos<=SrcLen) and (Src[CurPos.EndPos] in ['0'..'1']) do
+        inc(CurPos.EndPos);
+    end;
+  '$':
+    begin
+      inc(CurPos.EndPos);
+      while (CurPos.EndPos<=SrcLen)
+      and (IsHexNumberChar[UpperSrc[CurPos.EndPos]]) do
+        inc(CurPos.EndPos);
+    end;
+  ';':
+    begin
+      inc(CurPos.EndPos);
+      CurPos.Flag:=cafSemicolon;
+    end;
+  ',':
+    begin
+      inc(CurPos.EndPos);
+      CurPos.Flag:=cafComma;
+    end;
+  '=':
+    begin
+      inc(CurPos.EndPos);
+      CurPos.Flag:=cafEqual;
+    end;
+  '(':
+    begin
+      inc(CurPos.EndPos);
+      CurPos.Flag:=cafRoundBracketOpen;
+    end;
+  ')':
+    begin
+      inc(CurPos.EndPos);
+      CurPos.Flag:=cafRoundBracketClose;
+    end;
+  '[':
+    begin
+      inc(CurPos.EndPos);
+      CurPos.Flag:=cafEdgedBracketOpen;
+    end;
+  ']':
+    begin
+      inc(CurPos.EndPos);
+      CurPos.Flag:=cafEdgedBracketClose;
+    end;
+  ':':
+    begin
+      inc(CurPos.EndPos);
+      if (Src[CurPos.EndPos]<>'=') then begin
+        CurPos.Flag:=cafColon;
+      end else begin
+        // :=
+        inc(CurPos.EndPos);
       end;
+    end;
+  '.':
+    begin
+      inc(CurPos.EndPos);
+      if (Src[CurPos.EndPos]<>'.') then begin
+        CurPos.Flag:=cafPoint;
+      end else begin
+        // ..
+        inc(CurPos.EndPos);
+      end;
+    end;
+  else
+    inc(CurPos.EndPos);
+    c2:=Src[CurPos.EndPos];
+    // test for double char operators :=, +=, -=, /=, *=, <>, <=, >=, **, ><
+    if ((c2='=') and  (IsEqualOperatorStartChar[c1]))
+    or ((c1='<') and (c2='>')) // not equal
+    or ((c1='>') and (c2='<'))
+    or ((c1='.') and (c2='.')) // subrange
+    or ((c1='*') and (c2='*'))
+    then inc(CurPos.EndPos);
+    if ((c1='@') and (c2='@')) then begin
+      repeat
+        inc(CurPos.EndPos);
+      until (CurPos.EndPos>SrcLen) or (not IsIdentChar[Src[CurPos.EndPos]]);
+    end;
   end;
+  {$IFDEF RangeChecking}{$R+}{$ENDIF}
 end;
 
 procedure TCustomCodeTool.ReadPriorAtom;
diff --git a/components/codetools/finddeclarationtool.pas b/components/codetools/finddeclarationtool.pas
index 10716b6f01..f18389e235 100644
--- a/components/codetools/finddeclarationtool.pas
+++ b/components/codetools/finddeclarationtool.pas
@@ -1793,7 +1793,7 @@ begin
           // this is an indexed property
           exit;
         end;
-        if CurPos.Flag=cafPoint then begin
+        if CurPos.Flag=cafColon then begin
           ReadNextAtom;
           AtomIsIdentifier(true);
           OldPos:=CurPos.StartPos;