Merged revision(s) 47794-47795, 47826 from trunk:

* apply patch by Blaise.ru to allow record methods to be assigned to method variables as well (this is Delphi compatible)
+ added test
........
* apply patch by Blaise.ru to allow specializations for the result type of function and method variables
+ added tests
........
* fix for Mantis #38238: when creating a copy of a procdef for a procvar set the methodpointer flag also for methods of records
+ added test
........

git-svn-id: branches/fixes_3_2@48653 -
This commit is contained in:
svenbarth 2021-02-11 21:30:38 +00:00
parent 371bb9fd58
commit f455d66a75
7 changed files with 132 additions and 3 deletions

4
.gitattributes vendored
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@ -12942,6 +12942,7 @@ tests/tbs/tb0677.pp svneol=native#text/pascal
tests/tbs/tb0678.pp svneol=native#text/pascal
tests/tbs/tb0679.pp svneol=native#text/pascal
tests/tbs/tb0680.pp svneol=native#text/pascal
tests/tbs/tb0681.pp svneol=native#text/pascal
tests/tbs/tb205.pp svneol=native#text/plain
tests/tbs/tb610.pp svneol=native#text/pascal
tests/tbs/tb613.pp svneol=native#text/plain
@ -14456,6 +14457,8 @@ tests/test/tgeneric102.pp svneol=native#text/pascal
tests/test/tgeneric103.pp svneol=native#text/pascal
tests/test/tgeneric104.pp -text svneol=native#text/pascal
tests/test/tgeneric105.pp svneol=native#text/pascal
tests/test/tgeneric106.pp svneol=native#text/pascal
tests/test/tgeneric107.pp svneol=native#text/pascal
tests/test/tgeneric11.pp svneol=native#text/plain
tests/test/tgeneric12.pp svneol=native#text/plain
tests/test/tgeneric13.pp svneol=native#text/plain
@ -17824,6 +17827,7 @@ tests/webtbs/tw38069.pp svneol=native#text/pascal
tests/webtbs/tw38083.pp svneol=native#text/pascal
tests/webtbs/tw3814.pp svneol=native#text/plain
tests/webtbs/tw38151.pp svneol=native#text/pascal
tests/webtbs/tw38238.pp svneol=native#text/pascal
tests/webtbs/tw3827.pp svneol=native#text/plain
tests/webtbs/tw3829.pp svneol=native#text/plain
tests/webtbs/tw3833.pp svneol=native#text/plain

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@ -1567,7 +1567,7 @@ implementation
if is_func then
begin
consume(_COLON);
single_type(pd.returndef,[]);
single_type(pd.returndef,[stoAllowSpecialization]);
end;
if try_to_consume(_OF) then
begin

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@ -5265,7 +5265,7 @@ implementation
{$endif}
if (typ=procdef) and
(newtyp=procvardef) and
(owner.symtabletype=ObjectSymtable) then
(owner.symtabletype in [ObjectSymtable,recordsymtable]) then
include(tprocvardef(result).procoptions,po_methodpointer);
end;
@ -6032,7 +6032,7 @@ implementation
begin
{ don't check assigned(_class), that's also the case for nested
procedures inside methods }
result:=(owner.symtabletype=ObjectSymtable)and not no_self_node;
result:=(owner.symtabletype in [recordsymtable,ObjectSymtable]) and not no_self_node;
end;

23
tests/tbs/tb0681.pp Normal file
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@ -0,0 +1,23 @@
program tb0681;
{$Mode Delphi}
type R = record
var X: Integer;
function Foo: Integer;
end;
function R.Foo: Integer;
begin
result := X
end;
var F: function : Integer of object;
Z: R = (X:42);
begin
// EXPECTED: gets compiled
// ACTUAL: 'Error: Incompatible types'
F := Z.Foo;
if F() <> 42 then
Halt(1);
end.

23
tests/test/tgeneric106.pp Normal file
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@ -0,0 +1,23 @@
program tgeneric106;
{$Mode Delphi}
type G<T> = class
var X: T;
// EXPECTED: gets compiled
// ACTUAL: 'Error: Generics without specialization cannot be used as a type for a variable'
class var F: function(const X: T) : G<T> of object;
function Foo(const X: T): G<T>;
end;
function G<T>.Foo(const X: T): G<T>;
begin
result := G<T>.Create;
result.X := X
end;
begin
G<Integer>.F := G<Integer>.Create.Foo;
if G<Integer>.F(42).X <> 42 then
halt(1);
end.

23
tests/test/tgeneric107.pp Normal file
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@ -0,0 +1,23 @@
program tgeneric107;
{$Mode ObjFpc}
type generic G<T> = class
var X: T;
// EXPECTED: gets compiled
// ACTUAL: 'Error: Generics without specialization cannot be used as a type for a variable'
class var F: function(const X: T) : specialize G<T> of object;
function Foo(const aX: T): specialize G<T>;
end;
function G.Foo(const aX: T): specialize G<T>;
begin
result := specialize G<T>.Create;
result.X := aX
end;
begin
specialize G<Integer>.F := @specialize G<Integer>.Create.Foo;
if specialize G<Integer>.F(42).X <> 42 then
halt(1);
end.

56
tests/webtbs/tw38238.pp Normal file
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@ -0,0 +1,56 @@
program tw38238;
{$mode objfpc}
{$modeswitch advancedrecords}
type
TCallback = procedure(AValue: longint) of object;
TRec = record
Clb: TCallback;
procedure AddCallback(ACallback: TCallback);
procedure TriggerCallback(AValue: longint);
end;
TRec2 = record
Value: longint;
Rec: TRec;
procedure CLB(AValue: longint);
procedure InitStuff;
end;
procedure TRec.AddCallback(ACallback: TCallback);
begin
Clb:=ACallback;
end;
procedure TRec.TriggerCallback(AValue: longint);
begin
if assigned(Clb) then
Clb(AValue);
end;
procedure TRec2.CLB(AValue: longint);
begin
Value:=AValue;
end;
procedure TRec2.InitStuff;
begin
Rec.AddCallback(@CLB);
end;
var
Rec1, Rec2: TRec2;
begin
Rec1.InitStuff;
Rec2.InitStuff;
Rec1.Rec.TriggerCallback(1234);
Rec2.Rec.TriggerCallback($0943);
if Rec1.Value<>1234 then
Halt(1);
if Rec2.Value<>$0943 then
Halt(2);
end.