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* procvar support for varargs

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This commit is contained in:
peter 2001-06-04 18:08:19 +00:00
parent cf9bf38818
commit beac5a7f9f
1 changed files with 39 additions and 32 deletions
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71
compiler/ncal.pas
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@ -677,6 +677,23 @@ implementation
oldcallprocsym:=aktcallprocsym; oldcallprocsym:=aktcallprocsym;
aktcallprocsym:=nil; aktcallprocsym:=nil;
{ determine length of parameter list }
pt:=tcallparanode(left);
paralength:=0;
while assigned(pt) do
begin
inc(paralength);
pt:=tcallparanode(pt.right);
end;
{ determine the type of the parameters }
if assigned(left) then
begin
tcallparanode(left).get_paratype;
if codegenerror then
goto errorexit;
end;
{ procedure variable ? } { procedure variable ? }
if assigned(right) then if assigned(right) then
begin begin
@ -685,34 +702,31 @@ implementation
if codegenerror then if codegenerror then
exit; exit;
{ check the parameters } procdefinition:=tabstractprocdef(right.resulttype.def);
pdc:=tparaitem(tprocvardef(right.resulttype.def).Para.first);
{ check the amount of parameters }
pdc:=tparaitem(procdefinition.Para.first);
pt:=tcallparanode(left); pt:=tcallparanode(left);
lastpara:=paralength;
while assigned(pdc) and assigned(pt) do while assigned(pdc) and assigned(pt) do
begin begin
pt:=tcallparanode(pt.right); { only goto next para if we're out of the varargs }
pdc:=tparaitem(pdc.next); if not(po_varargs in procdefinition.procoptions) or
(lastpara<=procdefinition.maxparacount) then
pdc:=tparaitem(pdc.next);
pt:=tcallparanode(pt.right);
dec(lastpara);
end; end;
if assigned(pt) or assigned(pdc) then if assigned(pt) or assigned(pdc) then
begin begin
if assigned(pt) then if assigned(pt) then
aktfilepos:=pt.fileinfo; aktfilepos:=pt.fileinfo;
CGMessage(parser_e_illegal_parameter_list); CGMessage(parser_e_wrong_parameter_size);
end; end;
procdefinition:=tabstractprocdef(right.resulttype.def);
end end
else else
{ not a procedure variable } { not a procedure variable }
begin begin
{ determine the type of the parameters }
if assigned(left) then
begin
tcallparanode(left).get_paratype;
if codegenerror then
goto errorexit;
end;
aktcallprocsym:=tprocsym(symtableprocentry); aktcallprocsym:=tprocsym(symtableprocentry);
{ do we know the procedure to call ? } { do we know the procedure to call ? }
if not(assigned(procdefinition)) then if not(assigned(procdefinition)) then
@ -742,15 +756,6 @@ implementation
nextprocsym:=srsym; nextprocsym:=srsym;
end; end;
{$endif TEST_PROCSYMS} {$endif TEST_PROCSYMS}
{ determine length of parameter list }
pt:=tcallparanode(left);
paralength:=0;
while assigned(pt) do
begin
inc(paralength);
pt:=tcallparanode(pt.right);
end;
{ link all procedures which have the same # of parameters } { link all procedures which have the same # of parameters }
pd:=aktcallprocsym.definition; pd:=aktcallprocsym.definition;
while assigned(pd) do while assigned(pd) do
@ -907,12 +912,11 @@ implementation
hp:=procs; hp:=procs;
while assigned(hp) do while assigned(hp) do
begin begin
{ only goto next para if we're out of the { only goto next para if we're out of the varargs }
varargs } if not(po_varargs in hp^.data.procoptions) or
if (not(po_varargs in hp^.data.procoptions) and (lastpara<=hp^.data.maxparacount) then
(lastpara<=hp^.data.minparacount)) then hp^.nextpara:=tparaitem(hp^.nextPara.next);
hp^.nextpara:=tparaitem(hp^.nextPara.next); hp:=hp^.next;
hp:=hp^.next;
end; end;
{ load next parameter or quit loop if no procs left } { load next parameter or quit loop if no procs left }
if assigned(procs) then if assigned(procs) then
@ -1325,7 +1329,7 @@ implementation
begin begin
pt:=tcallparanode(left); pt:=tcallparanode(left);
i:=paralength; i:=paralength;
while (i>procdefinition.minparacount) do while (i>procdefinition.maxparacount) do
begin begin
include(tcallparanode(pt).flags,nf_varargs_para); include(tcallparanode(pt).flags,nf_varargs_para);
pt:=tcallparanode(pt.right); pt:=tcallparanode(pt.right);
@ -1651,7 +1655,10 @@ begin
end. end.
{ {
$Log$ $Log$
Revision 1.34 2001-06-04 11:48:02 peter Revision 1.35 2001-06-04 18:08:19 peter
* procvar support for varargs
Revision 1.34 2001/06/04 11:48:02 peter
* better const to var checking * better const to var checking
Revision 1.33 2001/05/20 12:09:31 peter Revision 1.33 2001/05/20 12:09:31 peter