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+ subrange types for enums

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+ checking for bounds type with ranges
This commit is contained in:
peter 1998-08-19 00:42:39 +00:00
parent 3c3276a915
commit 35c6030a1b
4 changed files with 423 additions and 316 deletions
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634
compiler/pass_1.pas
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@ -159,7 +159,7 @@ unit pass_1;
{ Only when the difference between the left and right registers < the
wanted registers allocate the amount of registers }
if assigned(p^.left) then
begin
if assigned(p^.right) then
@ -275,7 +275,7 @@ unit pass_1;
var
b : boolean;
hd1,hd2 : pdef;
begin
b:=false;
if (not assigned(def_from)) or (not assigned(def_to)) then
@ -284,13 +284,16 @@ unit pass_1;
exit;
end;
{ handle ord to ord first }
if (def_from^.deftype=orddef) and (def_to^.deftype=orddef) then
begin
doconv:=basedefconverts[porddef(def_from)^.typ,porddef(def_to)^.typ];
if doconv<>tc_not_possible then
b:=true;
end
else if (def_from^.deftype=orddef) and (def_to^.deftype=floatdef) then
else
if (def_from^.deftype=orddef) and (def_to^.deftype=floatdef) then
begin
if pfloatdef(def_to)^.typ=f32bit then
doconv:=tc_int_2_fix
@ -298,7 +301,10 @@ unit pass_1;
doconv:=tc_int_2_real;
b:=true;
end
else if (def_from^.deftype=floatdef) and (def_to^.deftype=floatdef) then
else
{ 2 float types ? }
if (def_from^.deftype=floatdef) and (def_to^.deftype=floatdef) then
begin
if pfloatdef(def_from)^.typ=pfloatdef(def_to)^.typ then
doconv:=tc_equal
@ -320,25 +326,46 @@ unit pass_1;
end;
b:=true;
end
else
{ enum to enum }
if (def_from^.deftype=enumdef) and (def_to^.deftype=enumdef) then
begin
if assigned(penumdef(def_from)^.basedef) then
hd1:=penumdef(def_from)^.basedef
else
hd1:=def_from;
if assigned(penumdef(def_to)^.basedef) then
hd2:=penumdef(def_to)^.basedef
else
hd2:=def_to;
b:=(hd1=hd2);
end
else
{ assignment overwritten ?? }
else if is_assignment_overloaded(def_from,def_to) then
if is_assignment_overloaded(def_from,def_to) then
b:=true
else if (def_from^.deftype=pointerdef) and (def_to^.deftype=arraydef) and
(parraydef(def_to)^.lowrange=0) and
is_equal(ppointerdef(def_from)^.definition,
parraydef(def_to)^.definition) then
else
if (def_from^.deftype=pointerdef) and (def_to^.deftype=arraydef) and
(parraydef(def_to)^.lowrange=0) and
is_equal(ppointerdef(def_from)^.definition,parraydef(def_to)^.definition) then
begin
doconv:=tc_pointer_to_array;
b:=true;
end
else if (def_from^.deftype=arraydef) and (def_to^.deftype=pointerdef) and
(parraydef(def_from)^.lowrange=0) and
is_equal(parraydef(def_from)^.definition,
ppointerdef(def_to)^.definition) then
else
if (def_from^.deftype=arraydef) and (def_to^.deftype=pointerdef) and
(parraydef(def_from)^.lowrange=0) and
is_equal(parraydef(def_from)^.definition,ppointerdef(def_to)^.definition) then
begin
doconv:=tc_array_to_pointer;
b:=true;
end
else
{ typed files are all equal to the abstract file type
name TYPEDFILE in system.pp in is_equal in types.pas
the problem is that it sholud be also compatible to FILE
@ -346,7 +373,7 @@ unit pass_1;
when trying to find the good overloaded function !!
so all file function are doubled in system.pp
this is not very beautiful !!}
else if (def_from^.deftype=filedef) and (def_to^.deftype=filedef) and
if (def_from^.deftype=filedef) and (def_to^.deftype=filedef) and
(
(
(pfiledef(def_from)^.filetype = ft_typed) and
@ -371,23 +398,28 @@ unit pass_1;
doconv:=tc_equal;
b:=true;
end
else
{ object pascal objects }
else if (def_from^.deftype=objectdef) and (def_to^.deftype=objectdef) {and
if (def_from^.deftype=objectdef) and (def_to^.deftype=objectdef) {and
pobjectdef(def_from)^.isclass and pobjectdef(def_to)^.isclass }then
begin
doconv:=tc_equal;
b:=pobjectdef(def_from)^.isrelated(
pobjectdef(def_to));
end
else
{ class reference types }
else if (def_from^.deftype=classrefdef) and (def_from^.deftype=classrefdef) then
if (def_from^.deftype=classrefdef) and (def_from^.deftype=classrefdef) then
begin
doconv:=tc_equal;
b:=pobjectdef(pclassrefdef(def_from)^.definition)^.isrelated(
pobjectdef(pclassrefdef(def_to)^.definition));
end
else
else if (def_from^.deftype=pointerdef) and (def_to^.deftype=pointerdef) then
if (def_from^.deftype=pointerdef) and (def_to^.deftype=pointerdef) then
begin
{ child class pointer can be assigned to anchestor pointers }
if (
@ -405,57 +437,51 @@ unit pass_1;
doconv:=tc_equal;
b:=true;
end
end
end
else
if (def_from^.deftype=stringdef) and (def_to^.deftype=stringdef) then
begin
doconv:=tc_string_to_string;
b:=true;
end
if (def_from^.deftype=stringdef) and (def_to^.deftype=stringdef) then
begin
doconv:=tc_string_to_string;
b:=true;
end
else
{ char to string}
if is_equal(def_from,cchardef) and
(def_to^.deftype=stringdef) then
begin
doconv:=tc_char_to_string;
b:=true;
end
{ char to string}
if is_equal(def_from,cchardef) and (def_to^.deftype=stringdef) then
begin
doconv:=tc_char_to_string;
b:=true;
end
else
{ string constant to zero terminated string constant }
if (fromtreetype=stringconstn) and
(
(def_to^.deftype=pointerdef) and
is_equal(Ppointerdef(def_to)^.definition,cchardef)
) then
begin
doconv:=tc_cstring_charpointer;
b:=true;
end
{ string constant to zero terminated string constant }
if (fromtreetype=stringconstn) and
((def_to^.deftype=pointerdef) and is_equal(Ppointerdef(def_to)^.definition,cchardef)) then
begin
doconv:=tc_cstring_charpointer;
b:=true;
end
else
{ array of char to string }
{ the length check is done by the firstpass of this node }
if (def_from^.deftype=stringdef) and
(
(def_to^.deftype=arraydef) and
is_equal(parraydef(def_to)^.definition,cchardef)
) then
begin
doconv:=tc_string_chararray;
b:=true;
end
{ array of char to string, the length check is done by the firstpass of this node }
if (def_from^.deftype=stringdef) and
((def_to^.deftype=arraydef) and is_equal(parraydef(def_to)^.definition,cchardef)) then
begin
doconv:=tc_string_chararray;
b:=true;
end
else
{ string to array of char }
{ the length check is done by the firstpass of this node }
if (
(def_from^.deftype=arraydef) and
is_equal(parraydef(def_from)^.definition,cchardef)
) and
{ string to array of char, the length check is done by the firstpass of this node }
if ((def_from^.deftype=arraydef) and is_equal(parraydef(def_from)^.definition,cchardef)) and
(def_to^.deftype=stringdef) then
begin
doconv:=tc_chararray_2_string;
b:=true;
end
begin
doconv:=tc_chararray_2_string;
b:=true;
end
else
if (fromtreetype=ordconstn) and is_equal(def_from,cchardef) then
begin
if (def_to^.deftype=pointerdef) and
@ -466,6 +492,7 @@ unit pass_1;
end;
end
else
if (def_to^.deftype=procvardef) and (def_from^.deftype=procdef) then
begin
def_from^.deftype:=procvardef;
@ -474,6 +501,7 @@ unit pass_1;
def_from^.deftype:=procdef;
end
else
{ nil is compatible with class instances }
if (fromtreetype=niln) and (def_to^.deftype=objectdef)
and (pobjectdef(def_to)^.isclass) then
@ -482,6 +510,7 @@ unit pass_1;
b:=true;
end
else
{ nil is compatible with class references }
if (fromtreetype=niln) and (def_to^.deftype=classrefdef) then
begin
@ -489,6 +518,7 @@ unit pass_1;
b:=true;
end
else
{ nil is compatible with procvars }
if (fromtreetype=niln) and (def_to^.deftype=procvardef) then
begin
@ -496,6 +526,7 @@ unit pass_1;
b:=true;
end
else
{ nil is compatible with ansi- and wide strings }
if (fromtreetype=niln) and (def_to^.deftype=stringdef)
and (pstringdef(def_to)^.string_typ in [st_ansistring,st_widestring]) then
@ -504,6 +535,7 @@ unit pass_1;
b:=true;
end
else
{ ansi- and wide strings can be assigned to void pointers }
if (def_from^.deftype=stringdef) and
(pstringdef(def_from)^.string_typ in [st_ansistring,st_widestring]) and
@ -514,9 +546,10 @@ unit pass_1;
doconv:=tc_equal;
b:=true;
end
else
{ procedure variable can be assigned to an void pointer }
{ Not anymore. Use the @ operator now.}
else
if not (cs_tp_compatible in aktmoduleswitches) then
begin
if (def_from^.deftype=procvardef) and
@ -528,9 +561,11 @@ unit pass_1;
b:=true;
end;
end;
isconvertable:=b;
end;
procedure firsterror(var p : ptree);
begin
@ -687,6 +722,7 @@ unit pass_1;
resultset : pconstset;
i : longint;
b : boolean;
convdone : boolean;
{$ifndef UseAnsiString}
s1,s2:^string;
{$else UseAnsiString}
@ -706,6 +742,7 @@ unit pass_1;
rt:=p^.right^.treetype;
rd:=p^.right^.resulttype;
ld:=p^.left^.resulttype;
convdone:=false;
if codegenerror then
exit;
@ -771,16 +808,14 @@ unit pass_1;
{ convert int consts to real consts, if the }
{ other operand is a real const }
if is_constintnode(p^.left) and
(rt=realconstn) then
if (rt=realconstn) and is_constintnode(p^.left) then
begin
t:=genrealconstnode(p^.left^.value);
disposetree(p^.left);
p^.left:=t;
lt:=realconstn;
end;
if is_constintnode(p^.right) and
(lt=realconstn) then
if (lt=realconstn) and is_constintnode(p^.right) then
begin
t:=genrealconstnode(p^.right^.value);
disposetree(p^.right);
@ -788,87 +823,65 @@ unit pass_1;
rt:=realconstn;
end;
if is_constintnode(p^.left) and
is_constintnode(p^.right) then
{ both are int constants ? }
if is_constintnode(p^.left) and is_constintnode(p^.right) then
begin
lv:=p^.left^.value;
rv:=p^.right^.value;
case p^.treetype of
addn:
t:=genordinalconstnode(lv+rv,s32bitdef);
subn:
t:=genordinalconstnode(lv-rv,s32bitdef);
muln:
t:=genordinalconstnode(lv*rv,s32bitdef);
xorn:
t:=genordinalconstnode(lv xor rv,s32bitdef);
orn:
t:=genordinalconstnode(lv or rv,s32bitdef);
andn:
t:=genordinalconstnode(lv and rv,s32bitdef);
ltn:
t:=genordinalconstnode(ord(lv<rv),booldef);
lten:
t:=genordinalconstnode(ord(lv<=rv),booldef);
gtn:
t:=genordinalconstnode(ord(lv>rv),booldef);
gten:
t:=genordinalconstnode(ord(lv>=rv),booldef);
equaln:
t:=genordinalconstnode(ord(lv=rv),booldef);
unequaln:
t:=genordinalconstnode(ord(lv<>rv),booldef);
slashn :
begin
{ int/int becomes a real }
t:=genrealconstnode(int(lv)/int(rv));
firstpass(t);
end;
else
Message(sym_e_type_mismatch);
end;
addn : t:=genordinalconstnode(lv+rv,s32bitdef);
subn : t:=genordinalconstnode(lv-rv,s32bitdef);
muln : t:=genordinalconstnode(lv*rv,s32bitdef);
xorn : t:=genordinalconstnode(lv xor rv,s32bitdef);
orn : t:=genordinalconstnode(lv or rv,s32bitdef);
andn : t:=genordinalconstnode(lv and rv,s32bitdef);
ltn : t:=genordinalconstnode(ord(lv<rv),booldef);
lten : t:=genordinalconstnode(ord(lv<=rv),booldef);
gtn : t:=genordinalconstnode(ord(lv>rv),booldef);
gten : t:=genordinalconstnode(ord(lv>=rv),booldef);
equaln : t:=genordinalconstnode(ord(lv=rv),booldef);
unequaln : t:=genordinalconstnode(ord(lv<>rv),booldef);
slashn : begin
{ int/int becomes a real }
t:=genrealconstnode(int(lv)/int(rv));
firstpass(t);
end;
else
Message(sym_e_type_mismatch);
end;
disposetree(p);
firstpass(t);
p:=t;
exit;
end
else
{ real constants }
if (lt=realconstn) and (rt=realconstn) then
end;
{ both real constants ? }
if (lt=realconstn) and (rt=realconstn) then
begin
lvd:=p^.left^.valued;
rvd:=p^.right^.valued;
case p^.treetype of
addn:
t:=genrealconstnode(lvd+rvd);
subn:
t:=genrealconstnode(lvd-rvd);
muln:
t:=genrealconstnode(lvd*rvd);
caretn:
t:=genrealconstnode(exp(ln(lvd)*rvd));
slashn:
t:=genrealconstnode(lvd/rvd);
ltn:
t:=genordinalconstnode(ord(lvd<rvd),booldef);
lten:
t:=genordinalconstnode(ord(lvd<=rvd),booldef);
gtn:
t:=genordinalconstnode(ord(lvd>rvd),booldef);
gten:
t:=genordinalconstnode(ord(lvd>=rvd),booldef);
equaln:
t:=genordinalconstnode(ord(lvd=rvd),booldef);
unequaln:
t:=genordinalconstnode(ord(lvd<>rvd),booldef);
else
Message(sym_e_type_mismatch);
addn : t:=genrealconstnode(lvd+rvd);
subn : t:=genrealconstnode(lvd-rvd);
muln : t:=genrealconstnode(lvd*rvd);
caretn : t:=genrealconstnode(exp(ln(lvd)*rvd));
slashn : t:=genrealconstnode(lvd/rvd);
ltn : t:=genordinalconstnode(ord(lvd<rvd),booldef);
lten : t:=genordinalconstnode(ord(lvd<=rvd),booldef);
gtn : t:=genordinalconstnode(ord(lvd>rvd),booldef);
gten : t:=genordinalconstnode(ord(lvd>=rvd),booldef);
equaln : t:=genordinalconstnode(ord(lvd=rvd),booldef);
unequaln : t:=genordinalconstnode(ord(lvd<>rvd),booldef);
else
Message(sym_e_type_mismatch);
end;
disposetree(p);
p:=t;
firstpass(p);
exit;
end;
{ concating strings ? }
concatstrings:=false;
{$ifdef UseAnsiString}
s1:=nil;
@ -878,10 +891,8 @@ unit pass_1;
new(s2);
{$endif UseAnsiString}
if (lt=ordconstn) and (rt=ordconstn) and
(ld^.deftype=orddef) and
(porddef(ld)^.typ=uchar) and
(rd^.deftype=orddef) and
(porddef(rd)^.typ=uchar) then
(ld^.deftype=orddef) and (porddef(ld)^.typ=uchar) and
(rd^.deftype=orddef) and (porddef(rd)^.typ=uchar) then
begin
{$ifdef UseAnsiString}
s1:=strpnew(char(byte(p^.left^.value)));
@ -893,9 +904,9 @@ unit pass_1;
concatstrings:=true;
{$endif UseAnsiString}
end
else if (lt=stringconstn) and (rt=ordconstn) and
(rd^.deftype=orddef) and
(porddef(rd)^.typ=uchar) then
else
if (lt=stringconstn) and (rt=ordconstn) and
(rd^.deftype=orddef) and (porddef(rd)^.typ=uchar) then
begin
{$ifdef UseAnsiString}
{ here there is allways the damn #0 problem !! }
@ -989,16 +1000,14 @@ unit pass_1;
dispose(s2);
{$endif UseAnsiString}
{ we can set this globally but it not allways true }
{ procinfo.flags:=procinfo.flags or pi_do_call; }
{ if both are boolean: }
if ((ld^.deftype=orddef) and
(porddef(ld)^.typ in [bool8bit,bool16bit,bool32bit])) and
((rd^.deftype=orddef) and
(porddef(rd)^.typ in [bool8bit,bool16bit,bool32bit])) then
{ if both are orddefs then check sub types }
if (ld^.deftype=orddef) and (rd^.deftype=orddef) then
begin
case p^.treetype of
{ 2 booleans ? }
if (porddef(ld)^.typ in [bool8bit,bool16bit,bool32bit]) and
(porddef(rd)^.typ in [bool8bit,bool16bit,bool32bit]) then
begin
case p^.treetype of
andn,orn : begin
calcregisters(p,0,0,0);
p^.location.loc:=LOC_JUMP;
@ -1008,49 +1017,59 @@ unit pass_1;
make_bool_equal_size(p);
calcregisters(p,1,0,0);
end
else
Message(sym_e_type_mismatch);
end;
convdone:=true;
end
else
Message(sym_e_type_mismatch);
end;
{ Both are chars? only convert to strings for addn }
if (porddef(rd)^.typ=uchar) and (porddef(ld)^.typ=uchar) then
begin
if p^.treetype=addn then
begin
p^.left:=gentypeconvnode(p^.left,cstringdef);
firstpass(p^.left);
p^.right:=gentypeconvnode(p^.right,cstringdef);
firstpass(p^.right);
{ here we call STRCOPY }
procinfo.flags:=procinfo.flags or pi_do_call;
calcregisters(p,0,0,0);
p^.location.loc:=LOC_MEM;
end
else
calcregisters(p,1,0,0);
convdone:=true;
end;
end
{ wenn beides vom Char dann keine Konvertiereung einf<6E>gen }
{ h”chstens es handelt sich um einen +-Operator }
else if ((rd^.deftype=orddef) and (porddef(rd)^.typ=uchar)) and
((ld^.deftype=orddef) and (porddef(ld)^.typ=uchar)) then
else
{ is one of the sides a string ? }
if (ld^.deftype=stringdef) or (rd^.deftype=stringdef) then
begin
if p^.treetype=addn then
begin
p^.left:=gentypeconvnode(p^.left,cstringdef);
firstpass(p^.left);
p^.right:=gentypeconvnode(p^.right,cstringdef);
firstpass(p^.right);
{ here we call STRCOPY }
procinfo.flags:=procinfo.flags or pi_do_call;
calcregisters(p,0,0,0);
p^.location.loc:=LOC_MEM;
end
else
calcregisters(p,1,0,0);
end
{ if string and character, then conver the character to a string }
else if ((rd^.deftype=stringdef) and
((ld^.deftype=orddef) and (porddef(ld)^.typ=uchar))) or
((ld^.deftype=stringdef) and
((rd^.deftype=orddef) and (porddef(rd)^.typ=uchar))) then
begin
if ((ld^.deftype=orddef) and (porddef(ld)^.typ=uchar)) then
p^.left:=gentypeconvnode(p^.left,cstringdef)
else
p^.right:=gentypeconvnode(p^.right,cstringdef);
firstpass(p^.left);
firstpass(p^.right);
{ here we call STRCONCAT or STRCMP }
{ convert other side to a string, if not both site are strings,
the typeconv will put give an error if it's not possible }
if not((rd^.deftype=stringdef) and (ld^.deftype=stringdef)) then
begin
if ld^.deftype=stringdef then
p^.right:=gentypeconvnode(p^.right,cstringdef)
else
p^.left:=gentypeconvnode(p^.left,cstringdef);
firstpass(p^.left);
firstpass(p^.right);
end;
{ here we call STRCONCAT or STRCMP or STRCOPY }
procinfo.flags:=procinfo.flags or pi_do_call;
calcregisters(p,0,0,0);
p^.location.loc:=LOC_MEM;
convdone:=true;
end
else
{ left side a setdef ? }
if (ld^.deftype=setdef) then
begin
{ right site must also be a setdef, unless addn is used }
if not(p^.treetype in [subn,symdifn,addn,muln,equaln,unequaln]) or
((rd^.deftype<>setdef) and (p^.treetype<>addn)) then
Message(sym_e_type_mismatch);
@ -1064,7 +1083,6 @@ unit pass_1;
if (psetdef(ld)^.settype<>smallset) and
(psetdef(rd)^.settype=smallset) then
begin
{ Internalerror(34243);}
p^.right:=gentypeconvnode(p^.right,psetdef(p^.left^.resulttype));
firstpass(p^.right);
end;
@ -1139,44 +1157,43 @@ unit pass_1;
procinfo.flags:=procinfo.flags or pi_do_call;
p^.location.loc:=LOC_MEM;
end;
end
else
if ((rd^.deftype=stringdef) and (ld^.deftype=stringdef)) then
{ here we call STR... }
procinfo.flags:=procinfo.flags or pi_do_call
{ if there is a real float, convert both to float 80 bit }
else
if ((rd^.deftype=floatdef) and (pfloatdef(rd)^.typ<>f32bit)) or
((ld^.deftype=floatdef) and (pfloatdef(ld)^.typ<>f32bit)) then
begin
p^.right:=gentypeconvnode(p^.right,c64floatdef);
p^.left:=gentypeconvnode(p^.left,c64floatdef);
firstpass(p^.left);
firstpass(p^.right);
calcregisters(p,1,1,0);
p^.location.loc:=LOC_FPU;
end
else
{ if there is one fix comma number, convert both to 32 bit fixcomma }
if ((rd^.deftype=floatdef) and (pfloatdef(rd)^.typ=f32bit)) or
((ld^.deftype=floatdef) and (pfloatdef(ld)^.typ=f32bit)) then
begin
if not(porddef(rd)^.typ in [u8bit,s8bit,u16bit,
s16bit,s32bit]) or (p^.treetype<>muln) then
p^.right:=gentypeconvnode(p^.right,s32fixeddef);
if not(porddef(rd)^.typ in [u8bit,s8bit,u16bit,
s16bit,s32bit]) or (p^.treetype<>muln) then
p^.left:=gentypeconvnode(p^.left,s32fixeddef);
firstpass(p^.left);
firstpass(p^.right);
calcregisters(p,1,0,0);
p^.location.loc:=LOC_REGISTER;
convdone:=true;
end
else
{ is one a real float ? }
if (rd^.deftype=floatdef) or (ld^.deftype=floatdef) then
begin
{ if one is a fixed, then convert to f32bit }
if ((rd^.deftype=floatdef) and (pfloatdef(rd)^.typ=f32bit)) or
((ld^.deftype=floatdef) and (pfloatdef(ld)^.typ=f32bit)) then
begin
if not(porddef(rd)^.typ in [u8bit,s8bit,u16bit,s16bit,s32bit,u32bit]) or (p^.treetype<>muln) then
p^.right:=gentypeconvnode(p^.right,s32fixeddef);
if not(porddef(rd)^.typ in [u8bit,s8bit,u16bit,s16bit,s32bit,u32bit]) or (p^.treetype<>muln) then
p^.left:=gentypeconvnode(p^.left,s32fixeddef);
firstpass(p^.left);
firstpass(p^.right);
calcregisters(p,1,0,0);
p^.location.loc:=LOC_REGISTER;
end
else
{ convert both to c64float }
begin
p^.right:=gentypeconvnode(p^.right,c64floatdef);
p^.left:=gentypeconvnode(p^.left,c64floatdef);
firstpass(p^.left);
firstpass(p^.right);
calcregisters(p,1,1,0);
p^.location.loc:=LOC_FPU;
end;
convdone:=true;
end
else
{ pointer comperation and subtraction }
else if (rd^.deftype=pointerdef) and (ld^.deftype=pointerdef) then
begin
if (rd^.deftype=pointerdef) and (ld^.deftype=pointerdef) then
begin
p^.location.loc:=LOC_REGISTER;
p^.right:=gentypeconvnode(p^.right,ld);
firstpass(p^.right);
@ -1197,10 +1214,13 @@ unit pass_1;
end;
else Message(sym_e_type_mismatch);
end;
convdone:=true;
end
else if (rd^.deftype=objectdef) and (ld^.deftype=objectdef) and
pobjectdef(rd)^.isclass and pobjectdef(ld)^.isclass then
begin
else
if (rd^.deftype=objectdef) and (ld^.deftype=objectdef) and
pobjectdef(rd)^.isclass and pobjectdef(ld)^.isclass then
begin
p^.location.loc:=LOC_REGISTER;
if pobjectdef(rd)^.isrelated(pobjectdef(ld)) then
p^.right:=gentypeconvnode(p^.right,ld)
@ -1213,9 +1233,12 @@ unit pass_1;
equaln,unequaln : ;
else Message(sym_e_type_mismatch);
end;
end
else if (rd^.deftype=classrefdef) and (ld^.deftype=classrefdef) then
begin
convdone:=true;
end
else
if (rd^.deftype=classrefdef) and (ld^.deftype=classrefdef) then
begin
p^.location.loc:=LOC_REGISTER;
if pobjectdef(pclassrefdef(rd)^.definition)^.isrelated(pobjectdef(
pclassrefdef(ld)^.definition)) then
@ -1229,12 +1252,14 @@ unit pass_1;
equaln,unequaln : ;
else Message(sym_e_type_mismatch);
end;
convdone:=true;
end
else
{ allows comperasion with nil pointer }
else if (rd^.deftype=objectdef) and
pobjectdef(rd)^.isclass then
begin
if (rd^.deftype=objectdef) and
pobjectdef(rd)^.isclass then
begin
p^.location.loc:=LOC_REGISTER;
p^.left:=gentypeconvnode(p^.left,rd);
firstpass(p^.left);
@ -1243,89 +1268,102 @@ unit pass_1;
equaln,unequaln : ;
else Message(sym_e_type_mismatch);
end;
end
else if (ld^.deftype=objectdef) and
pobjectdef(ld)^.isclass then
begin
p^.location.loc:=LOC_REGISTER;
p^.right:=gentypeconvnode(p^.right,ld);
firstpass(p^.right);
calcregisters(p,1,0,0);
case p^.treetype of
equaln,unequaln : ;
else Message(sym_e_type_mismatch);
end;
end
else if (rd^.deftype=classrefdef) then
begin
p^.left:=gentypeconvnode(p^.left,rd);
firstpass(p^.left);
calcregisters(p,1,0,0);
case p^.treetype of
equaln,unequaln : ;
else Message(sym_e_type_mismatch);
end;
end
else if (ld^.deftype=classrefdef) then
begin
p^.right:=gentypeconvnode(p^.right,ld);
firstpass(p^.right);
calcregisters(p,1,0,0);
case p^.treetype of
equaln,unequaln : ;
else Message(sym_e_type_mismatch);
end;
end
convdone:=true;
end
else
else if (rd^.deftype=pointerdef) then
begin
if (ld^.deftype=objectdef) and
pobjectdef(ld)^.isclass then
begin
p^.location.loc:=LOC_REGISTER;
p^.right:=gentypeconvnode(p^.right,ld);
firstpass(p^.right);
calcregisters(p,1,0,0);
case p^.treetype of
equaln,unequaln : ;
else Message(sym_e_type_mismatch);
end;
convdone:=true;
end
else
if (rd^.deftype=classrefdef) then
begin
p^.left:=gentypeconvnode(p^.left,rd);
firstpass(p^.left);
calcregisters(p,1,0,0);
case p^.treetype of
equaln,unequaln : ;
else Message(sym_e_type_mismatch);
end;
convdone:=true;
end
else
if (ld^.deftype=classrefdef) then
begin
p^.right:=gentypeconvnode(p^.right,ld);
firstpass(p^.right);
calcregisters(p,1,0,0);
case p^.treetype of
equaln,unequaln : ;
else
Message(sym_e_type_mismatch);
end;
convdone:=true;
end
else
if (rd^.deftype=pointerdef) then
begin
p^.location.loc:=LOC_REGISTER;
p^.left:=gentypeconvnode(p^.left,s32bitdef);
firstpass(p^.left);
calcregisters(p,1,0,0);
if p^.treetype=addn then
begin
if not(cs_extsyntax in aktmoduleswitches) then
Message(sym_e_type_mismatch);
if not(cs_extsyntax in aktmoduleswitches) then
Message(sym_e_type_mismatch);
end
else Message(sym_e_type_mismatch);
end
else if (ld^.deftype=pointerdef) then
begin
else
Message(sym_e_type_mismatch);
convdone:=true;
end
else
if (ld^.deftype=pointerdef) then
begin
p^.location.loc:=LOC_REGISTER;
p^.right:=gentypeconvnode(p^.right,s32bitdef);
firstpass(p^.right);
calcregisters(p,1,0,0);
case p^.treetype of
addn,subn : if not(cs_extsyntax in aktmoduleswitches) then
Message(sym_e_type_mismatch);
else Message(sym_e_type_mismatch);
addn,subn : if not(cs_extsyntax in aktmoduleswitches) then
Message(sym_e_type_mismatch);
else
Message(sym_e_type_mismatch);
end;
convdone:=true;
end
else if (rd^.deftype=procvardef) and (ld^.deftype=procvardef) and
is_equal(rd,ld) then
begin
else
if (rd^.deftype=procvardef) and (ld^.deftype=procvardef) and is_equal(rd,ld) then
begin
calcregisters(p,1,0,0);
p^.location.loc:=LOC_REGISTER;
case p^.treetype of
equaln,unequaln : ;
else Message(sym_e_type_mismatch);
else
Message(sym_e_type_mismatch);
end;
end
else if (ld^.deftype=enumdef) and (rd^.deftype=enumdef)
and (is_equal(ld,rd)) then
begin
calcregisters(p,1,0,0);
case p^.treetype of
equaln,unequaln,
ltn,lten,gtn,gten : ;
else Message(sym_e_type_mismatch);
end;
end
convdone:=true;
end
else
{$ifdef SUPPORT_MMX}
else if (cs_mmx in aktlocalswitches) and is_mmx_able_array(ld)
and is_mmx_able_array(rd) and is_equal(ld,rd) then
begin
if (cs_mmx in aktlocalswitches) and is_mmx_able_array(ld) and
is_mmx_able_array(rd) and is_equal(ld,rd) then
begin
firstpass(p^.right);
firstpass(p^.left);
case p^.treetype of
@ -1341,10 +1379,24 @@ unit pass_1;
end;
p^.location.loc:=LOC_MMXREGISTER;
calcregisters(p,0,0,1);
end
convdone:=true;
end
else
{$endif SUPPORT_MMX}
if (ld^.deftype=enumdef) and (rd^.deftype=enumdef) and (is_equal(ld,rd)) then
begin
calcregisters(p,1,0,0);
case p^.treetype of
equaln,unequaln,
ltn,lten,gtn,gten : ;
else Message(sym_e_type_mismatch);
end;
convdone:=true;
end;
{ the general solution is to convert to 32 bit int }
else
if not convdone then
begin
{ but an int/int gives real/real! }
if p^.treetype=slashn then
@ -5206,7 +5258,11 @@ unit pass_1;
end.
{
$Log$
Revision 1.56 1998-08-18 09:24:42 pierre
Revision 1.57 1998-08-19 00:42:39 peter
+ subrange types for enums
+ checking for bounds type with ranges
Revision 1.56 1998/08/18 09:24:42 pierre
* small warning position bug fixed
* support_mmx switches splitting was missing
* rhide error and warning output corrected

53
compiler/pdecl.pas
View File

@ -82,9 +82,9 @@ unit pdecl;
sym : psym;
ps : pconstset;
pd : pbestreal;
{$ifdef USEANSISTRING}
{$ifdef USEANSISTRING}
sp : pstring;
{$endif USEANSISTRING}
{$endif USEANSISTRING}
begin
consume(_CONST);
repeat
@ -364,8 +364,8 @@ unit pdecl;
consume(SEMICOLON);
{ insert in the symtable }
Csym:=new(pvarsym,init_C(s,C_name,p));
if export_Csym then
inc(Csym^.refs);
if export_Csym then
inc(Csym^.refs);
if extern_Csym then
begin
Csym^.var_options:=Csym^.var_options or vo_is_external;
@ -1432,6 +1432,7 @@ unit pdecl;
pt1,pt2 : ptree;
begin
p:=nil;
{ use of current parsed object ? }
if (token=ID) and (testcurobject=2) and (curobjectname=pattern) then
begin
@ -1455,17 +1456,31 @@ unit pdecl;
pt2:=comp_expr(not(ignore_equal));
do_firstpass(pt2);
{ valid expression ? }
if (pt1^.treetype<>ordconstn) or
(pt2^.treetype<>ordconstn) then
Begin
Message(sym_e_error_in_type_def);
{ Here we create a node type with a range of 0 }
{ To make sure that no crashes will occur later }
{ on in the compiler. }
p:=new(porddef,init(uauto,0,0));
end
if (pt1^.treetype<>ordconstn) or (pt2^.treetype<>ordconstn) then
Message(sym_e_error_in_type_def)
else
p:=new(porddef,init(uauto,pt1^.value,pt2^.value));
begin
{ Check bounds }
if pt2^.value<pt1^.value then
Message(cg_e_upper_lower_than_lower)
else
begin
{ is one an enum ? }
if (pt1^.resulttype^.deftype=enumdef) or (pt2^.resulttype^.deftype=enumdef) then
begin
{ both must be the have the same (enumdef) definition, else its a type mismatch }
if (pt1^.resulttype=pt2^.resulttype) then
p:=new(penumdef,init_subrange(penumdef(pt1^.resulttype),pt1^.value,pt2^.value))
else
Message(sym_e_type_mismatch);
end
else
begin
{ both must be are orddefs, create an uauto orddef }
p:=new(porddef,init(uauto,pt1^.value,pt2^.value));
end;
end;
end;
disposetree(pt2);
end;
disposetree(pt1);
@ -1490,13 +1505,13 @@ unit pdecl;
if p=nil then
begin
ap:=new(parraydef,
init(0,penumdef(pt^.resulttype)^.max,pt^.resulttype));
init(penumdef(pt^.resulttype)^.min,penumdef(pt^.resulttype)^.max,pt^.resulttype));
p:=ap;
end
else
begin
ap^.definition:=new(parraydef,
init(0,penumdef(pt^.resulttype)^.max,pt^.resulttype));
init(penumdef(pt^.resulttype)^.min,penumdef(pt^.resulttype)^.max,pt^.resulttype));
ap:=parraydef(ap^.definition);
end;
end
@ -1885,7 +1900,11 @@ unit pdecl;
end.
{
$Log$
Revision 1.38 1998-08-12 19:20:39 peter
Revision 1.39 1998-08-19 00:42:40 peter
+ subrange types for enums
+ checking for bounds type with ranges
Revision 1.38 1998/08/12 19:20:39 peter
+ public is the same as export for c_vars
* a exported/public c_var incs now the refcount

36
compiler/symdef.inc
View File

@ -495,22 +495,41 @@
begin
tdef.init;
deftype:=enumdef;
min:=0;
max:=0;
savesize:=Sizeof(longint);
has_jumps:=false;
{$ifdef GDB}
first := Nil;
{$endif GDB}
basedef:=nil;
first:=nil;
end;
constructor tenumdef.init_subrange(_basedef:penumdef;_min,_max:longint);
begin
tdef.init;
deftype:=enumdef;
min:=_min;
max:=_max;
basedef:=_basedef;
savesize:=Sizeof(longint);
has_jumps:=false;
first:=nil;
end;
constructor tenumdef.load;
begin
tdef.load;
deftype:=enumdef;
basedef:=penumdef(readdefref);
min:=readlong;
max:=readlong;
savesize:=Sizeof(longint);
has_jumps:=false;
first := Nil;
first:=Nil;
end;
procedure tenumdef.deref;
begin
resolvedef(pdef(basedef));
end;
destructor tenumdef.done;
@ -519,9 +538,10 @@
end;
procedure tenumdef.write;
begin
tdef.write;
writedefref(basedef);
writelong(min);
writelong(max);
current_ppu^.writeentry(ibenumdef);
end;
@ -2510,7 +2530,11 @@
{
$Log$
Revision 1.22 1998-08-17 10:10:10 peter
Revision 1.23 1998-08-19 00:42:42 peter
+ subrange types for enums
+ checking for bounds type with ranges
Revision 1.22 1998/08/17 10:10:10 peter
- removed OLDPPU
Revision 1.21 1998/08/10 14:50:28 peter

16
compiler/types.pas
View File

@ -151,7 +151,7 @@ unit types;
else
proc_to_procvar_equal:=false;
end;
{ returns true, if def uses FPU }
function is_fpu(def : pdef) : boolean;
begin
@ -296,7 +296,7 @@ unit types;
h:=porddef(def)^.high;
end;
enumdef : begin
l:=0;
l:=penumdef(def)^.min;
h:=penumdef(def)^.max;
end;
end;
@ -878,7 +878,11 @@ unit types;
end.
{
$Log$
Revision 1.20 1998-08-18 14:17:14 pierre
Revision 1.21 1998-08-19 00:42:45 peter
+ subrange types for enums
+ checking for bounds type with ranges
Revision 1.20 1998/08/18 14:17:14 pierre
* bug about assigning the return value of a function to
a procvar fixed : warning
assigning a proc to a procvar need @ in FPC mode !!
@ -896,7 +900,11 @@ end.
Revision 1.17 1998/08/05 16:00:17 florian
* some fixes for ansi strings
* $log$ to $Log$
* $log$ to Revision 1.20 1998-08-18 14:17:14 pierre
* $log$ to Revision 1.21 1998-08-19 00:42:45 peter
* $log$ to + subrange types for enums
* $log$ to + checking for bounds type with ranges
* $log$ to
* $log$ to Revision 1.20 1998/08/18 14:17:14 pierre
* $log$ to * bug about assigning the return value of a function to
* $log$ to a procvar fixed : warning
* $log$ to assigning a proc to a procvar need @ in FPC mode !!