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* when calling an inherited methode by msg, any var parameters are compatible,

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if somebody knows how to implement it better, feel free to do so

git-svn-id: trunk@4889 -
This commit is contained in:
florian 2006-10-13 19:15:00 +00:00
parent 9e7b60ec42
commit 32c7ba29ea
2 changed files with 19 additions and 8 deletions
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20
compiler/pexpr.pas
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@ -88,8 +88,8 @@ implementation
const
{ true, if the inherited call is anonymous }
anon_inherited : boolean = false;
{ last def found, only used by anon. inherited calls to insert proper type casts }
srdef : tdef = nil;
procedure string_dec(var t: ttype);
{ reads a string type with optional length }
@ -990,7 +990,17 @@ implementation
begin
currpara:=tparavarsym(current_procinfo.procdef.paras[i]);
if not(vo_is_hidden_para in currpara.varoptions) then
para:=ccallparanode.create(cloadnode.create(currpara,currpara.owner),para);
begin
{ inheritance by msgint? }
if assigned(srdef) then
{ anonymous inherited via msgid calls only require a var parameter for
both methods, so we need some type casting here }
para:=ccallparanode.create(ctypeconvnode.create_internal(ctypeconvnode.create_internal(
cloadnode.create(currpara,currpara.owner),cformaltype),tparavarsym(tprocdef(srdef).paras[i]).vartype),
para)
else
para:=ccallparanode.create(cloadnode.create(currpara,currpara.owner),para);
end;
end;
end
else
@ -1181,7 +1191,6 @@ implementation
{ the ID token has to be consumed before calling this function }
procedure do_member_read(classh:tobjectdef;getaddr : boolean;sym : tsym;var p1 : tnode;var again : boolean;callflags:tcallnodeflags);
var
static_name : string;
isclassref : boolean;
@ -2131,8 +2140,9 @@ implementation
{ For message methods we need to search using the message
number or string }
pd:=tprocsym(current_procinfo.procdef.procsym).first_procdef;
srdef:=nil;
if (po_msgint in pd.procoptions) then
searchsym_in_class_by_msgint(classh,pd.messageinf.i,srsym,srsymtable)
searchsym_in_class_by_msgint(classh,pd.messageinf.i,srdef,srsym,srsymtable)
else
if (po_msgstr in pd.procoptions) then
searchsym_in_class_by_msgstr(classh,pd.messageinf.str^,srsym,srsymtable)

7
compiler/symtable.pas
View File

@ -221,7 +221,7 @@ interface
function searchsym_type(const s : stringid;out srsym:tsym;out srsymtable:tsymtable):boolean;
function searchsym_in_module(pm:pointer;const s : stringid;out srsym:tsym;out srsymtable:tsymtable):boolean;
function searchsym_in_class(classh,contextclassh:tobjectdef;const s : stringid;out srsym:tsym;out srsymtable:tsymtable):boolean;
function searchsym_in_class_by_msgint(classh:tobjectdef;i:longint;out srsym:tsym;out srsymtable:tsymtable):boolean;
function searchsym_in_class_by_msgint(classh:tobjectdef;i:longint;out srdef : tdef;out srsym:tsym;out srsymtable:tsymtable):boolean;
function searchsym_in_class_by_msgstr(classh:tobjectdef;const s:string;out srsym:tsym;out srsymtable:tsymtable):boolean;
function search_system_type(const s: stringid): ttypesym;
function search_class_member(pd : tobjectdef;const s : string):tsym;
@ -994,7 +994,7 @@ implementation
varalign:=size_2_align(l);
if (usefieldalignment<> bit_alignment) then
varalignfield:=used_align(varalign,aktalignment.recordalignmin,fieldalignment);
sym.fieldoffset:=align(_datasize,varalignfield);
if (int64(l)+sym.fieldoffset)>high(aint) then
begin
@ -1853,7 +1853,7 @@ implementation
end;
function searchsym_in_class_by_msgint(classh:tobjectdef;i:longint;out srsym:tsym;out srsymtable:tsymtable):boolean;
function searchsym_in_class_by_msgint(classh:tobjectdef;i:longint;out srdef : tdef;out srsym:tsym;out srsymtable:tsymtable):boolean;
var
def : tdef;
begin
@ -1870,6 +1870,7 @@ implementation
(po_msgint in tprocdef(def).procoptions) and
(tprocdef(def).messageinf.i=i) then
begin
srdef:=def;
srsym:=tprocdef(def).procsym;
srsymtable:=classh.symtable;
result:=true;