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* support the "overload" modifier for Objective-C methods

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* only check whether the message identifier of an Objective-C method
    matches the one from a method with the same name in a parent class
    if the parameters match (todo: should be refined to "if the
    encoded Objective-C selector names match")

git-svn-id: trunk@22373 -
This commit is contained in:
Jonas Maebe 2012-09-11 21:58:40 +00:00
parent 0e1b582131
commit fe90823b01
4 changed files with 52 additions and 15 deletions
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1
.gitattributes vendored
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@ -10980,6 +10980,7 @@ tests/test/tobjc37.pp svneol=native#text/plain
tests/test/tobjc38.pp svneol=native#text/plain tests/test/tobjc38.pp svneol=native#text/plain
tests/test/tobjc39.pp svneol=native#text/plain tests/test/tobjc39.pp svneol=native#text/plain
tests/test/tobjc4.pp svneol=native#text/plain tests/test/tobjc4.pp svneol=native#text/plain
tests/test/tobjc40.pp svneol=native#text/plain
tests/test/tobjc4a.pp svneol=native#text/plain tests/test/tobjc4a.pp svneol=native#text/plain
tests/test/tobjc5.pp svneol=native#text/plain tests/test/tobjc5.pp svneol=native#text/plain
tests/test/tobjc5a.pp svneol=native#text/plain tests/test/tobjc5a.pp svneol=native#text/plain

35
compiler/nobj.pas
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@ -333,22 +333,29 @@ implementation
automated header translation tools too complex. automated header translation tools too complex.
The same goes for Java. } The same goes for Java. }
if not(oo_is_external in _class.objectoptions) then {$ifndef jvm}
if not is_objccategory(_class) then if hasequalpara then
MessagePos1(pd.fileinfo,parser_e_must_use_override,FullTypeName(tdef(vmtpd.owner.defowner),nil)) {$endif}
else begin
MessagePos1(pd.fileinfo,parser_e_must_use_reintroduce_objc,FullTypeName(tdef(vmtpd.owner.defowner),nil)) if not(oo_is_external in _class.objectoptions) then
{ there may be a lot of these in auto-translated if not is_objccategory(_class) then
headers, so only calculate the fulltypename if MessagePos1(pd.fileinfo,parser_e_must_use_override,FullTypeName(tdef(vmtpd.owner.defowner),nil))
the hint will be shown } else
else if CheckVerbosity(V_Hint) then MessagePos1(pd.fileinfo,parser_e_must_use_reintroduce_objc,FullTypeName(tdef(vmtpd.owner.defowner),nil))
if not is_objccategory(_class) then { there may be a lot of these in auto-translated
MessagePos1(pd.fileinfo,parser_h_should_use_override,FullTypeName(tdef(vmtpd.owner.defowner),nil)) headers, so only calculate the fulltypename if
else the hint will be shown }
MessagePos1(pd.fileinfo,parser_h_should_use_reintroduce_objc,FullTypeName(tdef(vmtpd.owner.defowner),nil)); else if CheckVerbosity(V_Hint) then
if not is_objccategory(_class) then
MessagePos1(pd.fileinfo,parser_h_should_use_override,FullTypeName(tdef(vmtpd.owner.defowner),nil))
else
MessagePos1(pd.fileinfo,parser_h_should_use_reintroduce_objc,FullTypeName(tdef(vmtpd.owner.defowner),nil));
end;
{ no new entry, but copy the message name if any from { no new entry, but copy the message name if any from
the procdef in the parent class } the procdef in the parent class }
check_msg_str(vmtpd,pd); if not is_objc_class_or_protocol(_class) or
hasequalpara then
check_msg_str(vmtpd,pd);
if updatevalues then if updatevalues then
begin begin
{ in case of Java, copy the real name from the parent, { in case of Java, copy the real name from the parent,

2
compiler/pdecsub.pas
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@ -2259,7 +2259,7 @@ const
mutexclpo : [] mutexclpo : []
),( ),(
idtok:_OVERLOAD; idtok:_OVERLOAD;
pd_flags : [pd_implemen,pd_interface,pd_body,pd_javaclass,pd_intfjava]; pd_flags : [pd_implemen,pd_interface,pd_body,pd_javaclass,pd_intfjava,pd_objcclass,pd_objcprot];
handler : @pd_overload; handler : @pd_overload;
pocall : pocall_none; pocall : pocall_none;
pooption : [po_overload]; pooption : [po_overload];

29
tests/test/tobjc40.pp Normal file
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@ -0,0 +1,29 @@
{ %target=darwin }
{ %opt=norun }
{$mode objfpc}
{$modeswitch objectivec1}
program Main;
type
NSView = objcclass(NSObject)
procedure setNeedsDisplay (flag: boolean); message 'setNeedsDisplay:';
end;
type
NSViewUtilities = objccategory (NSView)
procedure setNeedsDisplay; message 'setNeedsDisplay'; overload;
end;
procedure NSView.setNeedsDisplay (flag: boolean);
begin
end;
procedure NSViewUtilities.setNeedsDisplay;
begin
setNeedsDisplay(true);
end;
begin
end.