fpc/rtl/java/rtti.inc
Jonas Maebe 76de70e683 * since enums are represented by classes in the JVM, initialize global
variables, class/record fields and arrays with enumtype(0) on
    creation, so that using them without explicitly initializing them
    doesn't cause a null-pointer exception. If enumtype(0) is not a
    valid enum, they are not initialized (and since they wouldn't have
    a valid value on native targets either in that case, an exception
    on use is acceptable)

git-svn-id: branches/jvmbackend@18755 -
2011-08-20 08:33:02 +00:00

190 lines
5.9 KiB
PHP

{
This file is part of the Free Pascal run time library.
Copyright (c) 2011 by Jonas Maebe
member of the Free Pascal development team
See the file COPYING.FPC, included in this distribution,
for details about the copyright.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
**********************************************************************}
procedure fpc_initialize_array_jstring_intern(arr: TJObjectArray; normalarrdim: longint); external name 'fpc_initialize_array_unicodestring';
procedure fpc_initialize_array_unicodestring(arr: TJObjectArray; normalarrdim: longint);compilerproc;
var
i: longint;
begin
if normalarrdim > 0 then
begin
for i:=low(arr) to high(arr) do
fpc_initialize_array_jstring_intern(TJObjectArray(arr[i]),normalarrdim-1);
end
else
begin
for i:=low(arr) to high(arr) do
unicodestring(arr[i]):='';
end;
end;
procedure fpc_initialize_array_ansistring_intern(arr: TJObjectArray; normalarrdim: longint); external name 'fpc_initialize_array_ansistring';
procedure fpc_initialize_array_ansistring(arr: TJObjectArray; normalarrdim: longint);compilerproc;
var
i: longint;
begin
if normalarrdim > 0 then
begin
for i:=low(arr) to high(arr) do
fpc_initialize_array_ansistring_intern(TJObjectArray(arr[i]),normalarrdim-1);
end
else
begin
for i:=low(arr) to high(arr) do
ansistring(arr[i]):='';
end;
end;
procedure fpc_initialize_array_dynarr_intern(arr: TJObjectArray; normalarrdim: longint); external name 'fpc_initialize_array_dynarr';
procedure fpc_initialize_array_dynarr(arr: TJObjectArray; normalarrdim: longint);compilerproc;
var
i: longint;
begin
if normalarrdim > 0 then
begin
for i:=low(arr) to high(arr) do
fpc_initialize_array_dynarr_intern(TJObjectArray(arr[i]),normalarrdim-1);
end
else
begin
for i:=low(arr) to high(arr) do
arr[i]:=nil;
end;
end;
procedure fpc_initialize_array_record_intern(arr: TJObjectArray; normalarrdim: longint; inst: FpcBaseRecordType); external name 'fpc_initialize_array_record';
procedure fpc_initialize_array_record(arr: TJObjectArray; normalarrdim: longint; inst: FpcBaseRecordType);compilerproc;
var
i: longint;
begin
if normalarrdim > 0 then
begin
for i:=low(arr) to high(arr) do
fpc_initialize_array_record_intern(TJObjectArray(arr[i]),normalarrdim-1,inst);
end
else
begin
for i:=low(arr) to high(arr) do
arr[i]:=inst.clone;
end;
end;
procedure fpc_initialize_array_procvar_intern(arr: TJObjectArray; normalarrdim: longint; inst: FpcBaseProcVarType); external name 'fpc_initialize_array_procvar';
procedure fpc_initialize_array_procvar(arr: TJObjectArray; normalarrdim: longint; inst: FpcBaseProcVarType);compilerproc;
var
i: longint;
begin
if normalarrdim > 0 then
begin
for i:=low(arr) to high(arr) do
fpc_initialize_array_procvar_intern(TJObjectArray(arr[i]),normalarrdim-1,inst);
end
else
begin
for i:=low(arr) to high(arr) do
arr[i]:=inst.clone;
end;
end;
{ exactly the same as fpc_initialize_array_record, but can't use generic
routine because of Java clonable design :( (except by rtti/invoke, but that's
not particularly fast either) }
procedure fpc_initialize_array_bitset_intern(arr: TJObjectArray; normalarrdim: longint; inst: FpcBitSet); external name 'fpc_initialize_array_bitset';
procedure fpc_initialize_array_bitset(arr: TJObjectArray; normalarrdim: longint; inst: FpcBitSet);compilerproc;
var
i: longint;
begin
if normalarrdim > 0 then
begin
for i:=low(arr) to high(arr) do
fpc_initialize_array_bitset_intern(TJObjectArray(arr[i]),normalarrdim-1,inst);
end
else
begin
for i:=low(arr) to high(arr) do
arr[i]:=inst.clone;
end;
end;
{ idem }
procedure fpc_initialize_array_enumset_intern(arr: TJObjectArray; normalarrdim: longint; inst: JUEnumSet); external name 'fpc_initialize_array_enumset';
procedure fpc_initialize_array_enumset(arr: TJObjectArray; normalarrdim: longint; inst: JUEnumSet);compilerproc;
var
i: longint;
begin
if normalarrdim > 0 then
begin
for i:=low(arr) to high(arr) do
fpc_initialize_array_enumset_intern(TJObjectArray(arr[i]),normalarrdim-1,inst);
end
else
begin
for i:=low(arr) to high(arr) do
arr[i]:=inst.clone;
end;
end;
{ initialize entire array with the same object, without making copies. Used for
initialization with enum instance }
procedure fpc_initialize_array_object_intern(arr: TJObjectArray; normalarrdim: longint; inst: JLObject); external name 'fpc_initialize_array_object';
procedure fpc_initialize_array_object(arr: TJObjectArray; normalarrdim: longint; inst: JLObject);compilerproc;
var
i: longint;
begin
if normalarrdim > 0 then
begin
for i:=low(arr) to high(arr) do
fpc_initialize_array_object_intern(TJObjectArray(arr[i]),normalarrdim-1,inst);
end
else
begin
for i:=low(arr) to high(arr) do
arr[i]:=inst;
end;
end;
procedure fpc_initialize_array_shortstring_intern(arr: TJObjectArray; normalarrdim: longint; maxlen: byte); external name 'fpc_initialize_array_shortstring';
procedure fpc_initialize_array_shortstring(arr: TJObjectArray; normalarrdim: longint; maxlen: byte);compilerproc;
var
i: longint;
begin
if normalarrdim > 0 then
begin
for i:=low(arr) to high(arr) do
fpc_initialize_array_shortstring_intern(TJObjectArray(arr[i]),normalarrdim-1,maxlen);
end
else
begin
for i:=low(arr) to high(arr) do
arr[i]:=ShortstringClass.CreateEmpty(maxlen);
end;
end;