* pas2jni: Basic support for arrays.

git-svn-id: trunk@32578 -

utils/pas2jni/def.pas

@@ -30,7 +30,7 @@ uses
 
 type
   TDefType = (dtNone, dtUnit, dtClass, dtProc, dtField, dtProp, dtParam, dtVar,
-              dtType, dtConst, dtProcType, dtEnum, dtSet, dtPointer);
+              dtType, dtConst, dtProcType, dtEnum, dtSet, dtPointer, dtArray);
 
   TDefClass = class of TDef;
   { TDef }
@@ -205,6 +205,20 @@ type
     ElType: TTypeDef;
   end;
 
+  { TArrayDef }
+
+  TArrayDef = class(TDef)
+  private
+    FHasElTypeRef: boolean;
+    FHasRTypeRef: boolean;
+  protected
+    procedure SetIsUsed(const AValue: boolean); override;
+  public
+    ElType: TDef;
+    RangeType: TDef;
+    RangeLow, RangeHigh: integer;
+  end;
+
 const
   ReplDefs  = [dtField, dtProp, dtProc];
 
@@ -222,6 +236,15 @@ begin
   Result:=TTypeDef(t1).BasicType = TTypeDef(t2).BasicType;
 end;
 
+{ TArrayDef }
+
+procedure TArrayDef.SetIsUsed(const AValue: boolean);
+begin
+  inherited SetIsUsed(AValue);
+  SetExtUsed(ElType, AValue, FHasElTypeRef);
+  SetExtUsed(RangeType, AValue, FHasRTypeRef);
+end;
+
 { TPointerDef }
 
 procedure TPointerDef.SetIsUsed(const AValue: boolean);

utils/pas2jni/ppuparser.pas

@@ -382,10 +382,13 @@ var
         else
         if jt = 'const' then
           d:=TConstDef.Create(CurDef, dtConst)
+        else
+        if jt = 'array' then
+          d:=TArrayDef.Create(CurDef, dtArray)
         else
           continue;
 
-        if (CurObjName = '') and (d.DefType <> dtEnum) then begin
+        if (CurObjName = '') and not (d.DefType in [dtEnum, dtArray]) then begin
           d.Free;
           continue;
         end;
@@ -520,6 +523,14 @@ var
             with TPointerDef(d) do begin
               PtrType:=_GetRef(it.Get('Ptr', TJSONObject(nil)));;
             end;
+          dtArray:
+            with TArrayDef(d) do begin
+              _ReadDefs(d, it, 'Types');
+              RangeLow:=it.Get('Low', -1);
+              RangeHigh:=it.Get('High', -1);
+              RangeType:=_GetRef(it.Get('RangeType', TJSONObject(nil)));
+              ElType:=_GetRef(it.Get('ElType', TJSONObject(nil)));
+            end;
         end;
       end;
   end;

utils/pas2jni/writer.pas

@@ -63,6 +63,7 @@ type
     FPkgDir: string;
     FUniqueCnt: integer;
     FThisUnit: TUnitDef;
+    FIntegerType: TDef;
 
     function DoCheckItem(const ItemName: string): TCheckItemResult;
 
@@ -844,11 +845,13 @@ begin
           s:='__objvar.';
         end;
         s:=s + Variable.Name;
-        if Variable.Count > 0 then begin
+        j:=Count;
-          ASSERT(Count >= 1);
+        if ProcType = ptProcedure then
-          i:=Variable.Count;
+          Dec(j);
+        if j > 0 then begin
+          i:=j;
           ss:='';
-          for j:=0 to Variable.Count - 1 do begin
+          for j:=0 to j - 1 do begin
             if ss <> '' then
               ss:=ss + ', ';
             ss:=ss + JniToPasType(TVarDef(Items[j]).VarType, Items[j].Name, False);
@@ -968,11 +971,36 @@ begin
 end;
 
 procedure TWriter.WriteVar(d: TVarDef; AParent: TDef);
+
+  function _WriteArrayIndex(pd: TProcDef): TDef;
+  var
+    ad: TArrayDef;
+    i: integer;
+  begin
+    ad:=TArrayDef(d.VarType);
+    i:=1;
+    repeat
+      with TVarDef.Create(pd, dtParam) do begin
+        Name:='Index';
+        if i > 1 then
+          Name:=Name + IntToStr(i);
+        VarType:=ad.RangeType;
+        if (VarType.DefType = dtType) and (TTypeDef(VarType).BasicType in [btByte, btShortInt, btSmallInt]) then
+          VarType:=FIntegerType;
+        VarOpt:=[voRead];
+      end;
+      Result:=ad.ElType;
+      ad:=TArrayDef(Result);
+      Inc(i);
+    until Result.DefType <> dtArray;
+  end;
+
 var
   pd: TProcDef;
   vd: TVarDef;
   t: TTypeDef;
-  s: string;
+  vt: TDef;
+  s, ss: string;
   i: integer;
 begin
   if not d.IsUsed then
@@ -989,7 +1017,11 @@ begin
     s:=Trim(s + ' ' + d.Name);
     if d.Count > 0 then
       s:=s + '[]';
-    Fjs.WriteLn(Format('// %s: %s', [s, d.VarType.Name]));
+    ss:=d.VarType.Name;
+    if ss = '' then
+      if d.VarType.DefType = dtArray then
+        ss:='array';
+    Fjs.WriteLn(Format('// %s: %s', [s, ss]));
   end;
 
   if voRead in d.VarOpt then begin
@@ -999,6 +1031,10 @@ begin
       pd.Parent:=d.Parent;
       pd.ProcType:=ptFunction;
       pd.Name:='get' + d.Name;
+      if (d.VarType <> nil) and (d.VarType.DefType = dtArray) then
+        // Array var
+        pd.ReturnType:=_WriteArrayIndex(pd)
+      else begin
         pd.ReturnType:=d.VarType;
         if d.DefType = dtProp then begin
           for i:=0 to d.Count - 1 do begin
@@ -1010,6 +1046,7 @@ begin
             end;
           end;
         end;
+      end;
       WriteProc(pd, d, AParent);
     finally
       pd.Free;
@@ -1023,8 +1060,11 @@ begin
       pd.Parent:=d.Parent;
       pd.ProcType:=ptProcedure;
       pd.Name:='set' + d.Name;
-
+      vt:=d.VarType;;
-      s:='Value';
+      if (d.VarType <> nil) and (d.VarType.DefType = dtArray) then
+        // Array var
+        vt:=_WriteArrayIndex(pd)
+      else
         if d.DefType = dtProp then begin
           for i:=0 to d.Count - 1 do begin
             vd:=TVarDef(d.Items[i]);
@@ -1034,7 +1074,9 @@ begin
               VarOpt:=[voRead];
             end;
           end;
+        end;
 
+      s:='Value';
       // Check if the name of value parameter is unique
       i:=0;
       while i < d.Count do begin
@@ -1045,12 +1087,11 @@ begin
         end;
         Inc(i);
       end;
-      end;
 
       with TVarDef.Create(pd, dtParam) do begin
         Name:='_' + s;
         AliasName:=s;
-        VarType:=d.VarType;
+        VarType:=vt;
         VarOpt:=[voRead];
       end;
       t:=TTypeDef.Create(nil, dtType);
@@ -1391,6 +1432,15 @@ begin
     Fjs.WriteLn('public class ' + u.Name + ' {');
     Fjs.IncI;
     if u.Name = 'system' then begin
+
+      for i:=0 to u.Count - 1 do begin
+        d:=u[i];
+        if (d.DefType = dtType) and (TTypeDef(d).BasicType = btLongInt) then begin
+          FIntegerType:=d;
+          break;
+        end;
+      end;
+
       Fjs.WriteLn('static private boolean _JniLibLoaded = false;');
       Fjs.WriteLn('public static void InitJni() {');
       Fjs.WriteLn('if (!_JniLibLoaded) {', 1);