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fpc/compiler/i386/ra386int.pas

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{
$Id$
Copyright (c) 1998-2000 by Carl Eric Codere and Peter Vreman
Does the parsing process for the intel styled inline assembler.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
****************************************************************************
}
Unit Ra386int;
{$i defines.inc}
Interface
uses
node;
function assemble: tnode;
Implementation
uses
{ common }
cutils,cclasses,
{ global }
globtype,globals,verbose,
systems,
{ aasm }
cpubase,aasm,
{ symtable }
symconst,symbase,symtype,symsym,symtable,types,
{ pass 1 }
nbas,
{ parser }
scanner,
ra386,rautils,
{ codegen }
{$ifdef newcg}
cgbase
{$else}
hcodegen
{$endif}
;
type
tasmtoken = (
AS_NONE,AS_LABEL,AS_LLABEL,AS_STRING,AS_INTNUM,
AS_COMMA,AS_LBRACKET,AS_RBRACKET,AS_LPAREN,
AS_RPAREN,AS_COLON,AS_DOT,AS_PLUS,AS_MINUS,AS_STAR,
AS_SEPARATOR,AS_ID,AS_REGISTER,AS_OPCODE,AS_SLASH,
{------------------ Assembler directives --------------------}
AS_DB,AS_DW,AS_DD,AS_END,
{------------------ Assembler Operators --------------------}
AS_BYTE,AS_WORD,AS_DWORD,AS_QWORD,AS_TBYTE,AS_NEAR,AS_FAR,
AS_HIGH,AS_LOW,AS_OFFSET,AS_SEG,AS_TYPE,AS_PTR,AS_MOD,AS_SHL,AS_SHR,AS_NOT,
AS_AND,AS_OR,AS_XOR);
tasmkeyword = string[6];
const
{ These tokens should be modified accordingly to the modifications }
{ in the different enumerations. }
firstdirective = AS_DB;
lastdirective = AS_END;
firstoperator = AS_BYTE;
lastoperator = AS_XOR;
firstsreg = R_CS;
lastsreg = R_SS;
_count_asmdirectives = longint(lastdirective)-longint(firstdirective);
_count_asmoperators = longint(lastoperator)-longint(firstoperator);
_count_asmprefixes = 5;
_count_asmspecialops = 25;
_count_asmoverrides = 3;
_asmdirectives : array[0.._count_asmdirectives] of tasmkeyword =
('DB','DW','DD','END');
{ problems with shl,shr,not,and,or and xor, they are }
{ context sensitive. }
_asmoperators : array[0.._count_asmoperators] of tasmkeyword = (
'BYTE','WORD','DWORD','QWORD','TBYTE','NEAR','FAR','HIGH',
'LOW','OFFSET','SEG','TYPE','PTR','MOD','SHL','SHR','NOT','AND',
'OR','XOR');
token2str : array[tasmtoken] of string[10] = (
'','Label','LLabel','String','Integer',
',','[',']','(',
')',':','.','+','-','*',
';','identifier','register','opcode','/',
'','','','END',
'','','','','','','','',
'','','','type','ptr','mod','shl','shr','not',
'and','or','xor'
);
const
newline = #10;
firsttoken : boolean = TRUE;
var
_asmsorted : boolean;
inexpression : boolean;
curlist : TAAsmoutput;
c : char;
prevasmtoken : tasmtoken;
actasmtoken : tasmtoken;
actasmpattern : string;
actasmregister : tregister;
actopcode : tasmop;
actopsize : topsize;
actcondition : tasmcond;
iasmops : tdictionary;
iasmregs : ^reg2strtable;
Procedure SetupTables;
{ creates uppercased symbol tables for speed access }
var
i : tasmop;
j : tregister;
str2opentry: tstr2opentry;
Begin
{ opcodes }
iasmops:=tdictionary.create;
iasmops.delete_doubles:=true;
for i:=firstop to lastop do
begin
str2opentry:=tstr2opentry.createname(upper(int_op2str[i]));
str2opentry.op:=i;
iasmops.insert(str2opentry);
end;
{ registers }
new(iasmregs);
for j:=firstreg to lastreg do
iasmregs^[j] := upper(int_reg2str[j]);
end;
{---------------------------------------------------------------------}
{ Routines for the tokenizing }
{---------------------------------------------------------------------}
function is_asmopcode(const s: string):boolean;
var
str2opentry: tstr2opentry;
cond : string[4];
cnd : tasmcond;
j: longint;
Begin
is_asmopcode:=FALSE;
actopcode:=A_None;
actcondition:=C_None;
actopsize:=S_NO;
str2opentry:=tstr2opentry(iasmops.search(s));
if assigned(str2opentry) then
begin
actopcode:=str2opentry.op;
actasmtoken:=AS_OPCODE;
is_asmopcode:=TRUE;
exit;
end;
{ not found yet, check condition opcodes }
j:=0;
while (j<CondAsmOps) do
begin
if Copy(s,1,Length(CondAsmOpStr[j]))=CondAsmOpStr[j] then
begin
cond:=Copy(s,Length(CondAsmOpStr[j])+1,255);
if cond<>'' then
begin
for cnd:=low(TasmCond) to high(TasmCond) do
if Cond=Upper(cond2str[cnd]) then
begin
actopcode:=CondASmOp[j];
actcondition:=cnd;
is_asmopcode:=TRUE;
actasmtoken:=AS_OPCODE;
exit
end;
end;
end;
inc(j);
end;
end;
function is_asmoperator(const s: string):boolean;
var
i : longint;
Begin
for i:=0 to _count_asmoperators do
if s=_asmoperators[i] then
begin
actasmtoken:=tasmtoken(longint(firstoperator)+i);
is_asmoperator:=true;
exit;
end;
is_asmoperator:=false;
end;
Function is_asmdirective(const s: string):boolean;
var
i : longint;
Begin
for i:=0 to _count_asmdirectives do
if s=_asmdirectives[i] then
begin
actasmtoken:=tasmtoken(longint(firstdirective)+i);
is_asmdirective:=true;
exit;
end;
is_asmdirective:=false;
end;
Function is_register(const s: string):boolean;
Var
i : tregister;
Begin
actasmregister:=R_NO;
for i:=firstreg to lastreg do
if s=iasmregs^[i] then
begin
actasmtoken:=AS_REGISTER;
actasmregister:=i;
is_register:=true;
exit;
end;
is_register:=false;
end;
function is_locallabel(const s:string):boolean;
begin
is_locallabel:=(length(s)>1) and (s[1]='@');
end;
Procedure GetToken;
var
len : longint;
forcelabel : boolean;
srsym : tsym;
srsymtable : tsymtable;
begin
{ save old token and reset new token }
prevasmtoken:=actasmtoken;
actasmtoken:=AS_NONE;
{ reset }
forcelabel:=FALSE;
actasmpattern:='';
{ while space and tab , continue scan... }
while (c in [' ',#9]) do
c:=current_scanner.asmgetchar;
{ get token pos }
if not (c in [newline,#13,'{',';']) then
current_scanner.gettokenpos;
{ Local Label, Label, Directive, Prefix or Opcode }
if firsttoken and not (c in [newline,#13,'{',';']) then
begin
firsttoken:=FALSE;
len:=0;
while c in ['A'..'Z','a'..'z','0'..'9','_','@'] do
begin
{ if there is an at_sign, then this must absolutely be a label }
if c = '@' then
forcelabel:=TRUE;
inc(len);
actasmpattern[len]:=c;
c:=current_scanner.asmgetchar;
end;
actasmpattern[0]:=chr(len);
uppervar(actasmpattern);
{ label ? }
if c = ':' then
begin
if actasmpattern[1]='@' then
actasmtoken:=AS_LLABEL
else
actasmtoken:=AS_LABEL;
{ let us point to the next character }
c:=current_scanner.asmgetchar;
firsttoken:=true;
exit;
end;
{ Are we trying to create an identifier with }
{ an at-sign...? }
if forcelabel then
Message(asmr_e_none_label_contain_at);
{ opcode ? }
If is_asmopcode(actasmpattern) then
Begin
{ check if we are in an expression }
{ then continue with asm directives }
if not inexpression then
exit;
end;
if is_asmdirective(actasmpattern) then
exit;
message1(asmr_e_unknown_opcode,actasmpattern);
actasmtoken:=AS_NONE;
exit;
end
else { else firsttoken }
begin
case c of
'@' : { possiblities : - local label reference , such as in jmp @local1 }
{ - @Result, @Code or @Data special variables. }
begin
actasmpattern:=c;
c:=current_scanner.asmgetchar;
while c in ['A'..'Z','a'..'z','0'..'9','_','@'] do
begin
actasmpattern:=actasmpattern + c;
c:=current_scanner.asmgetchar;
end;
uppervar(actasmpattern);
actasmtoken:=AS_ID;
exit;
end;
'A'..'Z','a'..'z','_': { identifier, register, opcode, prefix or directive }
begin
actasmpattern:=c;
c:=current_scanner.asmgetchar;
while c in ['A'..'Z','a'..'z','0'..'9','_'] do
begin
actasmpattern:=actasmpattern + c;
c:=current_scanner.asmgetchar;
end;
uppervar(actasmpattern);
{ after prefix we allow also a new opcode }
If is_prefix(actopcode) and is_asmopcode(actasmpattern) then
Begin
{ if we are not in a constant }
{ expression than this is an }
{ opcode. }
if not inexpression then
exit;
end;
{ support st(X) for fpu registers }
if (actasmpattern = 'ST') and (c='(') then
Begin
actasmpattern:=actasmpattern+c;
c:=current_scanner.asmgetchar;
if c in ['0'..'7'] then
actasmpattern:=actasmpattern + c
else
Message(asmr_e_invalid_fpu_register);
c:=current_scanner.asmgetchar;
if c <> ')' then
Message(asmr_e_invalid_fpu_register)
else
Begin
actasmpattern:=actasmpattern + c;
c:=current_scanner.asmgetchar;
end;
end;
if is_register(actasmpattern) then
exit;
if is_asmdirective(actasmpattern) then
exit;
if is_asmoperator(actasmpattern) then
exit;
{ if next is a '.' and this is a unitsym then we also need to
parse the identifier }
if (c='.') then
begin
searchsym(actasmpattern,srsym,srsymtable);
if assigned(srsym) and
(srsym.typ=unitsym) and
(srsym.owner.unitid=0) then
begin
actasmpattern:=actasmpattern+c;
c:=current_scanner.asmgetchar;
while c in ['A'..'Z','a'..'z','0'..'9','_','$'] do
begin
actasmpattern:=actasmpattern + upcase(c);
c:=current_scanner.asmgetchar;
end;
end;
end;
actasmtoken:=AS_ID;
exit;
end;
'&' : { override operator... not supported }
begin
Message(asmr_w_override_op_not_supported);
c:=current_scanner.asmgetchar;
actasmtoken:=AS_NONE;
end;
'''' : { string or character }
begin
actasmpattern:='';
current_scanner.in_asm_string:=true;
repeat
if c = '''' then
begin
c:=current_scanner.asmgetchar;
if c=newline then
begin
Message(scan_f_string_exceeds_line);
break;
end;
repeat
if c='''' then
begin
c:=current_scanner.asmgetchar;
if c='''' then
begin
actasmpattern:=actasmpattern+'''';
c:=current_scanner.asmgetchar;
if c=newline then
begin
Message(scan_f_string_exceeds_line);
break;
end;
end
else
break;
end
else
begin
actasmpattern:=actasmpattern+c;
c:=current_scanner.asmgetchar;
if c=newline then
begin
Message(scan_f_string_exceeds_line);
break
end;
end;
until false; { end repeat }
end
else
break; { end if }
until false;
current_scanner.in_asm_string:=false;
actasmtoken:=AS_STRING;
exit;
end;
'"' : { string or character }
begin
current_scanner.in_asm_string:=true;
actasmpattern:='';
repeat
if c = '"' then
begin
c:=current_scanner.asmgetchar;
if c=newline then
begin
Message(scan_f_string_exceeds_line);
break;
end;
repeat
if c='"' then
begin
c:=current_scanner.asmgetchar;
if c='"' then
begin
actasmpattern:=actasmpattern+'"';
c:=current_scanner.asmgetchar;
if c=newline then
begin
Message(scan_f_string_exceeds_line);
break;
end;
end
else
break;
end
else
begin
actasmpattern:=actasmpattern+c;
c:=current_scanner.asmgetchar;
if c=newline then
begin
Message(scan_f_string_exceeds_line);
break
end;
end;
until false; { end repeat }
end
else
break; { end if }
until false;
current_scanner.in_asm_string:=false;
actasmtoken:=AS_STRING;
exit;
end;
'$' :
begin
c:=current_scanner.asmgetchar;
while c in ['0'..'9','A'..'F','a'..'f'] do
begin
actasmpattern:=actasmpattern + c;
c:=current_scanner.asmgetchar;
end;
actasmpattern:=tostr(ValHexaDecimal(actasmpattern));
actasmtoken:=AS_INTNUM;
exit;
end;
',' :
begin
actasmtoken:=AS_COMMA;
c:=current_scanner.asmgetchar;
exit;
end;
'[' :
begin
actasmtoken:=AS_LBRACKET;
c:=current_scanner.asmgetchar;
exit;
end;
']' :
begin
actasmtoken:=AS_RBRACKET;
c:=current_scanner.asmgetchar;
exit;
end;
'(' :
begin
actasmtoken:=AS_LPAREN;
c:=current_scanner.asmgetchar;
exit;
end;
')' :
begin
actasmtoken:=AS_RPAREN;
c:=current_scanner.asmgetchar;
exit;
end;
':' :
begin
actasmtoken:=AS_COLON;
c:=current_scanner.asmgetchar;
exit;
end;
'.' :
begin
actasmtoken:=AS_DOT;
c:=current_scanner.asmgetchar;
exit;
end;
'+' :
begin
actasmtoken:=AS_PLUS;
c:=current_scanner.asmgetchar;
exit;
end;
'-' :
begin
actasmtoken:=AS_MINUS;
c:=current_scanner.asmgetchar;
exit;
end;
'*' :
begin
actasmtoken:=AS_STAR;
c:=current_scanner.asmgetchar;
exit;
end;
'/' :
begin
actasmtoken:=AS_SLASH;
c:=current_scanner.asmgetchar;
exit;
end;
'0'..'9':
begin
actasmpattern:=c;
c:=current_scanner.asmgetchar;
{ Get the possible characters }
while c in ['0'..'9','A'..'F','a'..'f'] do
begin
actasmpattern:=actasmpattern + c;
c:=current_scanner.asmgetchar;
end;
{ Get ending character }
uppervar(actasmpattern);
c:=upcase(c);
{ possibly a binary number. }
if (actasmpattern[length(actasmpattern)] = 'B') and (c <> 'H') then
Begin
{ Delete the last binary specifier }
delete(actasmpattern,length(actasmpattern),1);
actasmpattern:=tostr(ValBinary(actasmpattern));
actasmtoken:=AS_INTNUM;
exit;
end
else
Begin
case c of
'O' :
Begin
actasmpattern:=tostr(ValOctal(actasmpattern));
actasmtoken:=AS_INTNUM;
c:=current_scanner.asmgetchar;
exit;
end;
'H' :
Begin
actasmpattern:=tostr(ValHexaDecimal(actasmpattern));
actasmtoken:=AS_INTNUM;
c:=current_scanner.asmgetchar;
exit;
end;
else { must be an integer number }
begin
actasmpattern:=tostr(ValDecimal(actasmpattern));
actasmtoken:=AS_INTNUM;
exit;
end;
end;
end;
end;
';','{',#13,newline :
begin
c:=current_scanner.asmgetchar;
firsttoken:=TRUE;
actasmtoken:=AS_SEPARATOR;
exit;
end;
else
current_scanner.illegal_char(c);
end;
end;
end;
function consume(t : tasmtoken):boolean;
begin
Consume:=true;
if t<>actasmtoken then
begin
Message2(scan_f_syn_expected,token2str[t],token2str[actasmtoken]);
Consume:=false;
end;
repeat
gettoken;
until actasmtoken<>AS_NONE;
end;
procedure RecoverConsume(allowcomma:boolean);
begin
While not (actasmtoken in [AS_SEPARATOR,AS_END]) do
begin
if allowcomma and (actasmtoken=AS_COMMA) then
break;
Consume(actasmtoken);
end;
end;
{*****************************************************************************
Parsing Helpers
*****************************************************************************}
Procedure BuildRecordOffsetSize(const expr: string;var offset:longint;var size:longint);
{ Description: This routine builds up a record offset after a AS_DOT }
{ token is encountered. }
{ On entry actasmtoken should be equal to AS_DOT }
var
s : string;
Begin
offset:=0;
size:=0;
s:=expr;
while (actasmtoken=AS_DOT) do
begin
Consume(AS_DOT);
if actasmtoken=AS_ID then
s:=s+'.'+actasmpattern;
if not Consume(AS_ID) then
begin
RecoverConsume(true);
break;
end;
end;
if not GetRecordOffsetSize(s,offset,size) then
Message(asmr_e_building_record_offset);
end;
Procedure BuildConstSymbolExpression(needofs,exitreg:boolean;var value:longint;var asmsym:string);
var
tempstr,expr,hs : string;
parenlevel,l,k : longint;
errorflag : boolean;
prevtok : tasmtoken;
hl : tasmlabel;
sym : tsym;
srsymtable : tsymtable;
Begin
{ reset }
value:=0;
asmsym:='';
errorflag:=FALSE;
tempstr:='';
expr:='';
inexpression:=TRUE;
parenlevel:=0;
Repeat
Case actasmtoken of
AS_LPAREN:
Begin
Consume(AS_LPAREN);
expr:=expr + '(';
inc(parenlevel);
end;
AS_RPAREN:
Begin
Consume(AS_RPAREN);
expr:=expr + ')';
dec(parenlevel);
end;
AS_SHL:
Begin
Consume(AS_SHL);
expr:=expr + '<';
end;
AS_SHR:
Begin
Consume(AS_SHR);
expr:=expr + '>';
end;
AS_SLASH:
Begin
Consume(AS_SLASH);
expr:=expr + '/';
end;
AS_MOD:
Begin
Consume(AS_MOD);
expr:=expr + '%';
end;
AS_STAR:
Begin
Consume(AS_STAR);
if exitreg and (actasmtoken=AS_REGISTER) then
break;
expr:=expr + '*';
end;
AS_PLUS:
Begin
Consume(AS_PLUS);
if exitreg and (actasmtoken=AS_REGISTER) then
break;
expr:=expr + '+';
end;
AS_MINUS:
Begin
Consume(AS_MINUS);
expr:=expr + '-';
end;
AS_AND:
Begin
Consume(AS_AND);
expr:=expr + '&';
end;
AS_NOT:
Begin
Consume(AS_NOT);
expr:=expr + '~';
end;
AS_XOR:
Begin
Consume(AS_XOR);
expr:=expr + '^';
end;
AS_OR:
Begin
Consume(AS_OR);
expr:=expr + '|';
end;
AS_INTNUM:
Begin
expr:=expr + actasmpattern;
Consume(AS_INTNUM);
end;
AS_OFFSET:
begin
Consume(AS_OFFSET);
if actasmtoken<>AS_ID then
Message(asmr_e_offset_without_identifier);
end;
AS_TYPE:
begin
l:=0;
Consume(AS_TYPE);
if actasmtoken<>AS_ID then
Message(asmr_e_type_without_identifier)
else
begin
tempstr:=actasmpattern;
Consume(AS_ID);
if actasmtoken=AS_DOT then
BuildRecordOffsetSize(tempstr,k,l)
else
begin
searchsym(tempstr,sym,srsymtable);
if assigned(sym) then
begin
case sym.typ of
varsym :
l:=tvarsym(sym).getsize;
typedconstsym :
l:=ttypedconstsym(sym).getsize;
typesym :
l:=ttypesym(sym).restype.def.size;
else
Message(asmr_e_wrong_sym_type);
end;
end
else
Message1(sym_e_unknown_id,tempstr);
end;
end;
str(l, tempstr);
expr:=expr + tempstr;
end;
AS_STRING:
Begin
l:=0;
case Length(actasmpattern) of
1 :
l:=ord(actasmpattern[1]);
2 :
l:=ord(actasmpattern[2]) + ord(actasmpattern[1]) shl 8;
3 :
l:=ord(actasmpattern[3]) +
Ord(actasmpattern[2]) shl 8 + ord(actasmpattern[1]) shl 16;
4 :
l:=ord(actasmpattern[4]) + ord(actasmpattern[3]) shl 8 +
Ord(actasmpattern[2]) shl 16 + ord(actasmpattern[1]) shl 24;
else
Message1(asmr_e_invalid_string_as_opcode_operand,actasmpattern);
end;
str(l, tempstr);
expr:=expr + tempstr;
Consume(AS_STRING);
end;
AS_ID:
Begin
hs:='';
tempstr:=actasmpattern;
prevtok:=prevasmtoken;
consume(AS_ID);
if SearchIConstant(tempstr,l) then
begin
str(l, tempstr);
expr:=expr + tempstr;
end
else
begin
if is_locallabel(tempstr) then
begin
CreateLocalLabel(tempstr,hl,false);
hs:=hl.name
end
else
if SearchLabel(tempstr,hl,false) then
hs:=hl.name
else
begin
searchsym(tempstr,sym,srsymtable);
if assigned(sym) then
begin
case sym.typ of
varsym :
begin
if sym.owner.symtabletype in [localsymtable,parasymtable] then
Message(asmr_e_no_local_or_para_allowed);
hs:=tvarsym(sym).mangledname;
end;
typedconstsym :
hs:=ttypedconstsym(sym).mangledname;
procsym :
hs:=tprocsym(sym).mangledname;
typesym :
begin
if not(ttypesym(sym).restype.def.deftype in [recorddef,objectdef]) then
Message(asmr_e_wrong_sym_type);
end;
else
Message(asmr_e_wrong_sym_type);
end;
end
else
Message1(sym_e_unknown_id,tempstr);
end;
{ symbol found? }
if hs<>'' then
begin
if needofs and (prevtok<>AS_OFFSET) then
Message(asmr_e_need_offset);
if asmsym='' then
asmsym:=hs
else
Message(asmr_e_cant_have_multiple_relocatable_symbols);
if (expr='') or (expr[length(expr)]='+') then
begin
{ don't remove the + if there could be a record field }
if actasmtoken<>AS_DOT then
delete(expr,length(expr),1);
end
else
Message(asmr_e_only_add_relocatable_symbol);
end;
if actasmtoken=AS_DOT then
begin
BuildRecordOffsetSize(tempstr,l,k);
str(l, tempstr);
expr:=expr + tempstr;
end
else
begin
if (expr='') or (expr[length(expr)] in ['+','-','/','*']) then
delete(expr,length(expr),1);
end;
end;
{ check if there are wrong operator used like / or mod etc. }
if (hs<>'') and not(actasmtoken in [AS_MINUS,AS_PLUS,AS_COMMA,AS_SEPARATOR,AS_END,AS_RBRACKET]) then
Message(asmr_e_only_add_relocatable_symbol);
end;
AS_END,
AS_RBRACKET,
AS_SEPARATOR,
AS_COMMA:
Begin
break;
end;
else
Begin
{ write error only once. }
if not errorflag then
Message(asmr_e_invalid_constant_expression);
{ consume tokens until we find COMMA or SEPARATOR }
Consume(actasmtoken);
errorflag:=TRUE;
end;
end;
Until false;
{ calculate expression }
if not ErrorFlag then
value:=CalculateExpression(expr)
else
value:=0;
{ no longer in an expression }
inexpression:=FALSE;
end;
Function BuildConstExpression:longint;
var
l : longint;
hs : string;
begin
BuildConstSymbolExpression(false,false,l,hs);
if hs<>'' then
Message(asmr_e_relocatable_symbol_not_allowed);
BuildConstExpression:=l;
end;
Function BuildRefConstExpression:longint;
var
l : longint;
hs : string;
begin
BuildConstSymbolExpression(false,true,l,hs);
if hs<>'' then
Message(asmr_e_relocatable_symbol_not_allowed);
BuildRefConstExpression:=l;
end;
{****************************************************************************
T386IntelOperand
****************************************************************************}
type
T386IntelOperand=class(T386Operand)
Procedure BuildOperand;override;
private
Procedure BuildReference;
Procedure BuildConstant;
end;
Procedure T386IntelOperand.BuildReference;
var
k,l,scale : longint;
tempstr2,
tempstr,hs : string;
code : integer;
hreg,
oldbase : tregister;
GotStar,GotOffset,HadVar,
GotPlus,Negative : boolean;
Begin
Consume(AS_LBRACKET);
InitRef;
GotStar:=false;
GotPlus:=true;
GotOffset:=false;
Negative:=false;
Scale:=0;
repeat
if GotOffset and (actasmtoken<>AS_ID) then
Message(asmr_e_invalid_reference_syntax);
Case actasmtoken of
AS_ID: { Constant reference expression OR variable reference expression }
Begin
if not GotPlus then
Message(asmr_e_invalid_reference_syntax);
if actasmpattern[1] = '@' then
Message(asmr_e_local_label_not_allowed_as_ref);
GotStar:=false;
GotPlus:=false;
if SearchIConstant(actasmpattern,l) or
SearchRecordType(actasmpattern) then
begin
l:=BuildRefConstExpression;
GotPlus:=(prevasmtoken=AS_PLUS);
GotStar:=(prevasmtoken=AS_STAR);
if GotStar then
opr.ref.scalefactor:=l
else
begin
if negative then
Dec(opr.ref.offset,l)
else
Inc(opr.ref.offset,l);
end;
end
else
Begin
if hasvar and not GotOffset then
Message(asmr_e_cant_have_multiple_relocatable_symbols);
HadVar:=hasvar and GotOffset;
if negative then
Message(asmr_e_only_add_relocatable_symbol);
oldbase:=opr.ref.base;
opr.ref.base:=R_NO;
tempstr:=actasmpattern;
Consume(AS_ID);
{ typecasting? }
if (actasmtoken=AS_LPAREN) and
SearchType(tempstr) then
begin
hastype:=true;
Consume(AS_LPAREN);
tempstr2:=actasmpattern;
Consume(AS_ID);
Consume(AS_RPAREN);
if not SetupVar(tempstr2,GotOffset) then
Message1(sym_e_unknown_id,tempstr2);
end
else
if not SetupVar(tempstr,GotOffset) then
Message1(sym_e_unknown_id,tempstr);
{ record.field ? }
if actasmtoken=AS_DOT then
begin
BuildRecordOffsetSize(tempstr,l,k);
inc(opr.ref.offset,l);
end;
if GotOffset then
begin
if hasvar and (opr.ref.base=procinfo^.framepointer) then
begin
opr.ref.base:=R_NO;
hasvar:=hadvar;
end
else
begin
if hasvar and hadvar then
Message(asmr_e_cant_have_multiple_relocatable_symbols);
{ should we allow ?? }
end;
end;
{ is the base register loaded by the var ? }
if (opr.ref.base<>R_NO) then
begin
{ check if we can move the old base to the index register }
if (opr.ref.index<>R_NO) then
Message(asmr_e_wrong_base_index)
else if assigned(procinfo^._class) and
(oldbase=self_pointer) and
(opr.ref.base=self_pointer) then
begin
Message(asmr_w_possible_object_field_bug);
{ warn but accept... who knows what people
caninvent in assembler ! }
opr.ref.index:=oldbase;
end
else
opr.ref.index:=oldbase;
end
else
opr.ref.base:=oldbase;
{ we can't have a Constant here so add the constant value to the
offset }
if opr.typ=OPR_CONSTANT then
begin
opr.typ:=OPR_REFERENCE;
inc(opr.ref.offset,opr.val);
end;
end;
GotOffset:=false;
end;
AS_PLUS :
Begin
Consume(AS_PLUS);
Negative:=false;
GotPlus:=true;
GotStar:=false;
Scale:=0;
end;
AS_MINUS :
begin
Consume(AS_MINUS);
Negative:=true;
GotPlus:=true;
GotStar:=false;
Scale:=0;
end;
AS_STAR : { Scaling, with eax*4 order }
begin
Consume(AS_STAR);
hs:='';
l:=0;
case actasmtoken of
AS_LPAREN :
l:=BuildConstExpression;
AS_INTNUM:
Begin
hs:=actasmpattern;
Consume(AS_INTNUM);
end;
AS_REGISTER :
begin
if opr.ref.scalefactor=0 then
if scale<>0 then
begin
opr.ref.scalefactor:=scale;
scale:=0;
end
else
Message(asmr_e_wrong_scale_factor);
end;
else
Message(asmr_e_invalid_reference_syntax);
end;
if actasmtoken<>AS_REGISTER then
begin
if hs<>'' then
val(hs,l,code);
opr.ref.scalefactor:=l;
if l>9 then
Message(asmr_e_wrong_scale_factor);
end;
GotPlus:=false;
GotStar:=false;
end;
AS_REGISTER :
begin
if not((GotPlus and (not Negative)) or
GotStar) then
Message(asmr_e_invalid_reference_syntax);
hreg:=actasmregister;
Consume(AS_REGISTER);
{ this register will be the index:
1. just read a *
2. next token is a *
3. base register is already used }
if (GotStar) or
(actasmtoken=AS_STAR) or
(opr.ref.base<>R_NO) then
begin
if (opr.ref.index<>R_NO) then
Message(asmr_e_multiple_index);
opr.ref.index:=hreg;
if scale<>0 then
begin
opr.ref.scalefactor:=scale;
scale:=0;
end;
end
else
opr.ref.base:=hreg;
GotPlus:=false;
GotStar:=false;
end;
AS_OFFSET :
begin
Consume(AS_OFFSET);
GotOffset:=true;
end;
AS_TYPE,
AS_NOT,
AS_INTNUM,
AS_LPAREN : { Constant reference expression }
begin
if not GotPlus and not GotStar then
Message(asmr_e_invalid_reference_syntax);
BuildConstSymbolExpression(true,true,l,tempstr);
if tempstr<>'' then
begin
if GotStar then
Message(asmr_e_only_add_relocatable_symbol);
if not assigned(opr.ref.symbol) then
opr.ref.symbol:=newasmsymbol(tempstr)
else
Message(asmr_e_cant_have_multiple_relocatable_symbols);
end;
if GotStar then
opr.ref.scalefactor:=l
else if (prevasmtoken = AS_STAR) then
begin
if scale<>0 then
scale:=l*scale
else
scale:=l;
end
else
begin
if negative then
Dec(opr.ref.offset,l)
else
Inc(opr.ref.offset,l);
end;
GotPlus:=(prevasmtoken=AS_PLUS) or
(prevasmtoken=AS_MINUS);
if GotPlus then
negative := prevasmtoken = AS_MINUS;
GotStar:=(prevasmtoken=AS_STAR);
end;
AS_RBRACKET :
begin
if GotPlus or GotStar then
Message(asmr_e_invalid_reference_syntax);
Consume(AS_RBRACKET);
break;
end;
else
Begin
Message(asmr_e_invalid_reference_syntax);
RecoverConsume(true);
break;
end;
end;
until false;
end;
Procedure T386IntelOperand.BuildConstant;
var
l : longint;
tempstr : string;
begin
BuildConstSymbolExpression(true,false,l,tempstr);
if tempstr<>'' then
begin
opr.typ:=OPR_SYMBOL;
opr.symofs:=l;
opr.symbol:=newasmsymbol(tempstr);
end
else
begin
opr.typ:=OPR_CONSTANT;
opr.val:=l;
end;
end;
Procedure T386IntelOperand.BuildOperand;
var
tempstr,
expr : string;
tempreg : tregister;
l : longint;
hl : tasmlabel;
procedure AddLabelOperand(hl:tasmlabel);
begin
if is_calljmp(actopcode) then
begin
opr.typ:=OPR_SYMBOL;
opr.symbol:=hl;
end
else
begin
InitRef;
opr.ref.symbol:=hl;
end;
end;
procedure MaybeRecordOffset;
var
l,
toffset,
tsize : longint;
begin
if not(actasmtoken in [AS_DOT,AS_PLUS,AS_MINUS]) then
exit;
l:=0;
if actasmtoken=AS_DOT then
begin
{ if no type was specified before the [] then we expect the
first ID to be the type }
if expr='' then
begin
consume(AS_DOT);
if actasmtoken=AS_ID then
begin
expr:=actasmpattern;
consume(AS_ID);
{ now the next one must the be the dot }
if actasmtoken<>AS_DOT then
begin
Message(asmr_e_building_record_offset);
expr:='';
end;
end
else
Message(asmr_e_no_var_type_specified)
end;
if expr<>'' then
begin
BuildRecordOffsetSize(expr,toffset,tsize);
inc(l,toffset);
SetSize(tsize,true);
end;
end;
if actasmtoken in [AS_PLUS,AS_MINUS] then
inc(l,BuildConstExpression);
if (opr.typ=OPR_REFERENCE) then
begin
{ don't allow direct access to fields of parameters, becuase that
will generate buggy code. Allow it only for explicit typecasting }
if (not hastype) then
begin
case opr.ref.options of
ref_parafixup :
Message(asmr_e_cannot_access_field_directly_for_parameters);
ref_selffixup :
Message(asmr_e_cannot_access_object_field_directly);
end;
end;
inc(opr.ref.offset,l)
end
else
inc(opr.val,l);
end;
Begin
expr:='';
case actasmtoken of
AS_OFFSET,
AS_TYPE,
AS_INTNUM,
AS_PLUS,
AS_MINUS,
AS_NOT,
AS_LPAREN,
AS_STRING :
Begin
if not (opr.typ in [OPR_NONE,OPR_CONSTANT]) then
Message(asmr_e_invalid_operand_type);
BuildConstant;
end;
AS_ID : { A constant expression, or a Variable ref. }
Begin
{ Label or Special symbol reference? }
if actasmpattern[1] = '@' then
Begin
if actasmpattern = '@RESULT' then
Begin
InitRef;
SetupResult;
Consume(AS_ID);
end
else
if (actasmpattern = '@CODE') or (actasmpattern = '@DATA') then
begin
Message(asmr_w_CODE_and_DATA_not_supported);
Consume(AS_ID);
end
else
{ Local Label }
begin
CreateLocalLabel(actasmpattern,hl,false);
Consume(AS_ID);
AddLabelOperand(hl);
if not (actasmtoken in [AS_END,AS_SEPARATOR,AS_COMMA]) then
Message(asmr_e_syntax_error);
end;
end
else
{ support result for delphi modes }
if (m_objpas in aktmodeswitches) and (actasmpattern='RESULT') then
begin
InitRef;
SetUpResult;
Consume(AS_ID);
end
{ probably a variable or normal expression }
{ or a procedure (such as in CALL ID) }
else
Begin
{ is it a constant ? }
if SearchIConstant(actasmpattern,l) then
Begin
if not (opr.typ in [OPR_NONE,OPR_CONSTANT]) then
Message(asmr_e_invalid_operand_type);
BuildConstant;
end
else
{ Check for pascal label }
if SearchLabel(actasmpattern,hl,false) then
begin
Consume(AS_ID);
AddLabelOperand(hl);
if not (actasmtoken in [AS_END,AS_SEPARATOR,AS_COMMA]) then
Message(asmr_e_syntax_error);
end
else
{ is it a normal variable ? }
Begin
InitRef;
expr:=actasmpattern;
Consume(AS_ID);
{ typecasting? }
if (actasmtoken=AS_LPAREN) and
SearchType(expr) then
begin
hastype:=true;
Consume(AS_LPAREN);
tempstr:=actasmpattern;
Consume(AS_ID);
Consume(AS_RPAREN);
if SetupVar(tempstr,false) then
begin
MaybeRecordOffset;
{ add a constant expression? }
if (actasmtoken=AS_PLUS) then
begin
l:=BuildConstExpression;
if opr.typ=OPR_CONSTANT then
inc(opr.val,l)
else
inc(opr.ref.offset,l);
end
end
else
Message1(sym_e_unknown_id,tempstr);
end
else
begin
if SetupVar(expr,false) then
begin
MaybeRecordOffset;
{ add a constant expression? }
if (actasmtoken=AS_PLUS) then
begin
l:=BuildConstExpression;
if opr.typ=OPR_CONSTANT then
inc(opr.val,l)
else
inc(opr.ref.offset,l);
end
end
else
Begin
{ not a variable, check special variables.. }
if expr = 'SELF' then
SetupSelf
else
Message1(sym_e_unknown_id,expr);
end;
end;
end;
{ handle references }
if actasmtoken=AS_LBRACKET then
begin
if opr.typ=OPR_CONSTANT then
begin
l:=opr.val;
opr.typ:=OPR_REFERENCE;
reset_reference(opr.Ref);
opr.Ref.Offset:=l;
end;
BuildReference;
MaybeRecordOffset;
end;
end;
end;
AS_REGISTER : { Register, a variable reference or a constant reference }
Begin
{ save the type of register used. }
tempreg:=actasmregister;
Consume(AS_REGISTER);
if actasmtoken = AS_COLON then
Begin
Consume(AS_COLON);
InitRef;
opr.ref.segment:=tempreg;
BuildReference;
end
else
{ Simple register }
begin
if not (opr.typ in [OPR_NONE,OPR_REGISTER]) then
Message(asmr_e_invalid_operand_type);
opr.typ:=OPR_REGISTER;
opr.reg:=tempreg;
size:=reg_2_opsize[opr.reg];
end;
end;
AS_LBRACKET: { a variable reference, register ref. or a constant reference }
Begin
InitRef;
BuildReference;
MaybeRecordOffset;
end;
AS_SEG :
Begin
Message(asmr_e_seg_not_supported);
Consume(actasmtoken);
end;
AS_SEPARATOR,
AS_END,
AS_COMMA: ;
else
Message(asmr_e_syn_operand);
end;
if not(actasmtoken in [AS_END,AS_SEPARATOR,AS_COMMA]) then
begin
Message(asmr_e_syntax_error);
RecoverConsume(true);
end;
end;
{*****************************************************************************
T386IntelInstruction
*****************************************************************************}
type
T386IntelInstruction=class(T386Instruction)
procedure InitOperands;override;
procedure BuildOpcode;override;
end;
procedure T386IntelInstruction.InitOperands;
var
i : longint;
begin
for i:=1 to 3 do
Operands[i]:=T386IntelOperand.Create;
end;
Procedure T386IntelInstruction.BuildOpCode;
var
PrefixOp,OverrideOp: tasmop;
size : topsize;
operandnum : longint;
Begin
PrefixOp:=A_None;
OverrideOp:=A_None;
{ prefix seg opcode / prefix opcode }
repeat
if is_prefix(actopcode) then
begin
PrefixOp:=ActOpcode;
opcode:=ActOpcode;
condition:=ActCondition;
opsize:=ActOpsize;
ConcatInstruction(curlist);
Consume(AS_OPCODE);
end
else
if is_override(actopcode) then
begin
OverrideOp:=ActOpcode;
opcode:=ActOpcode;
condition:=ActCondition;
opsize:=ActOpsize;
ConcatInstruction(curlist);
Consume(AS_OPCODE);
end
else
break;
{ allow for newline after prefix or override }
while actasmtoken=AS_SEPARATOR do
Consume(AS_SEPARATOR);
until (actasmtoken<>AS_OPCODE);
{ opcode }
if (actasmtoken <> AS_OPCODE) then
Begin
Message(asmr_e_invalid_or_missing_opcode);
RecoverConsume(false);
exit;
end;
{ Fill the instr object with the current state }
Opcode:=ActOpcode;
condition:=ActCondition;
opsize:=ActOpsize;
{ Valid combination of prefix/override and instruction ? }
if (prefixop<>A_NONE) and (NOT CheckPrefix(PrefixOp,actopcode)) then
Message1(asmr_e_invalid_prefix_and_opcode,actasmpattern);
if (overrideop<>A_NONE) and (NOT CheckOverride(OverrideOp,ActOpcode)) then
Message1(asmr_e_invalid_override_and_opcode,actasmpattern);
{ We are reading operands, so opcode will be an AS_ID }
operandnum:=1;
Consume(AS_OPCODE);
{ Zero operand opcode ? }
if actasmtoken in [AS_SEPARATOR,AS_END] then
begin
operandnum:=0;
exit;
end;
{ Read Operands }
repeat
case actasmtoken of
{ End of asm operands for this opcode }
AS_END,
AS_SEPARATOR :
break;
{ Operand delimiter }
AS_COMMA :
Begin
if operandnum > MaxOperands then
Message(asmr_e_too_many_operands)
else
Inc(operandnum);
Consume(AS_COMMA);
end;
{ Typecast, Constant Expression, Type Specifier }
AS_DWORD,
AS_BYTE,
AS_WORD,
AS_TBYTE,
AS_QWORD :
Begin
{ load the size in a temp variable, so it can be set when the
operand is read }
Case actasmtoken of
AS_DWORD : size:=S_L;
AS_WORD : size:=S_W;
AS_BYTE : size:=S_B;
AS_QWORD : begin
if (opcode=A_FCOM) or
(opcode=A_FCOMP) or
(opcode=A_FDIV) or
(opcode=A_FDIVR) or
(opcode=A_FMUL) or
(opcode=A_FSUB) or
(opcode=A_FSUBR) or
(opcode=A_FLD) or
(opcode=A_FST) or
(opcode=A_FSTP) or
(opcode=A_FADD) then
size:=S_FL
else
size:=S_IQ;
end;
AS_TBYTE : size:=S_FX;
end;
Consume(actasmtoken);
if actasmtoken=AS_PTR then
begin
Consume(AS_PTR);
Operands[operandnum].InitRef;
end;
Operands[operandnum].BuildOperand;
{ now set the size which was specified by the override }
Operands[operandnum].size:=size;
end;
{ Type specifier }
AS_NEAR,
AS_FAR :
Begin
if actasmtoken = AS_NEAR then
begin
Message(asmr_w_near_ignored);
opsize:=S_NEAR;
end
else
begin
Message(asmr_w_far_ignored);
opsize:=S_FAR;
end;
Consume(actasmtoken);
if actasmtoken=AS_PTR then
begin
Consume(AS_PTR);
Operands[operandnum].InitRef;
end;
Operands[operandnum].BuildOperand;
end;
else
Operands[operandnum].BuildOperand;
end; { end case }
until false;
Ops:=operandnum;
end;
Procedure BuildConstant(maxvalue: longint);
var
strlength: byte;
asmsym,
expr: string;
value : longint;
Begin
strlength:=0; { assume it is a DB }
Repeat
Case actasmtoken of
AS_STRING:
Begin
if maxvalue = $ffff then
strlength:=2
else
if maxvalue = longint($ffffffff) then
strlength:=4;
{ DD and DW cases }
if strlength <> 0 then
Begin
if Not PadZero(actasmpattern,strlength) then
Message(scan_f_string_exceeds_line);
end;
expr:=actasmpattern;
Consume(AS_STRING);
Case actasmtoken of
AS_COMMA:
Consume(AS_COMMA);
AS_END,
AS_SEPARATOR: ;
else
Message(asmr_e_invalid_string_expression);
end;
ConcatString(curlist,expr);
end;
AS_PLUS,
AS_MINUS,
AS_LPAREN,
AS_NOT,
AS_INTNUM,
AS_ID :
Begin
BuildConstSymbolExpression(false,false,value,asmsym);
if asmsym<>'' then
begin
if maxvalue<>longint($ffffffff) then
Message(asmr_w_const32bit_for_address);
ConcatConstSymbol(curlist,asmsym,value)
end
else
ConcatConstant(curlist,value,maxvalue);
end;
AS_COMMA:
Consume(AS_COMMA);
AS_END,
AS_SEPARATOR:
break;
else
begin
Message(asmr_e_syn_constant);
RecoverConsume(false);
end
end;
Until false;
end;
Function Assemble: tnode;
Var
hl : tasmlabel;
instr : T386IntelInstruction;
Begin
Message1(asmr_d_start_reading,'intel');
inexpression:=FALSE;
firsttoken:=TRUE;
if assigned(aktprocsym.definition.funcretsym) and
(is_fpu(aktprocsym.definition.rettype.def) or
ret_in_acc(aktprocsym.definition.rettype.def)) then
tfuncretsym(aktprocsym.definition.funcretsym).funcretstate:=vs_assigned;
{ sets up all opcode and register tables in uppercase }
if not _asmsorted then
Begin
SetupTables;
_asmsorted:=TRUE;
end;
curlist:=TAAsmoutput.Create;
{ setup label linked list }
LocalLabelList:=TLocalLabelList.Create;
{ start tokenizer }
c:=current_scanner.asmgetchar;
gettoken;
{ main loop }
repeat
case actasmtoken of
AS_LLABEL:
Begin
if CreateLocalLabel(actasmpattern,hl,true) then
ConcatLabel(curlist,hl);
Consume(AS_LLABEL);
end;
AS_LABEL:
Begin
if SearchLabel(upper(actasmpattern),hl,true) then
ConcatLabel(curlist,hl)
else
Message1(asmr_e_unknown_label_identifier,actasmpattern);
Consume(AS_LABEL);
end;
AS_DW :
Begin
inexpression:=true;
Consume(AS_DW);
BuildConstant($ffff);
inexpression:=false;
end;
AS_DB :
Begin
inexpression:=true;
Consume(AS_DB);
BuildConstant($ff);
inexpression:=false;
end;
AS_DD :
Begin
inexpression:=true;
Consume(AS_DD);
BuildConstant(longint($ffffffff));
inexpression:=false;
end;
AS_OPCODE :
Begin
instr:=T386IntelInstruction.Create;
instr.BuildOpcode;
{ We need AT&T style operands }
instr.Swatoperands;
{ Must be done with args in ATT order }
instr.CheckNonCommutativeOpcodes;
instr.AddReferenceSizes;
instr.SetInstructionOpsize;
instr.CheckOperandSizes;
instr.ConcatInstruction(curlist);
instr.Free;
end;
AS_SEPARATOR :
Begin
Consume(AS_SEPARATOR);
end;
AS_END :
break; { end assembly block }
else
Begin
Message(asmr_e_syntax_error);
RecoverConsume(false);
end;
end; { end case }
until false;
{ Check LocalLabelList }
LocalLabelList.CheckEmitted;
LocalLabelList.Free;
{ Return the list in an asmnode }
assemble:=casmnode.create(curlist);
Message1(asmr_d_finish_reading,'intel');
end;
{*****************************************************************************
Initialize
*****************************************************************************}
const
asmmode_i386_intel_info : tasmmodeinfo =
(
id : asmmode_i386_intel;
idtxt : 'INTEL'
);
initialization
RegisterAsmMode(asmmode_i386_intel_info);
finalization
if assigned(iasmops) then
iasmops.Free;
if assigned(iasmregs) then
dispose(iasmregs);
end.
{
$Log$
Revision 1.16 2001-08-06 21:40:51 peter
* funcret moved from tprocinfo to tprocdef
Revision 1.15 2001/04/18 22:02:03 peter
* registration of targets and assemblers
Revision 1.14 2001/04/13 20:06:05 peter
* allow unit.identifier in asm readers
Revision 1.13 2001/04/13 18:20:21 peter
* scanner object to class
Revision 1.12 2001/04/13 01:22:21 peter
* symtable change to classes
* range check generation and errors fixed, make cycle DEBUG=1 works
* memory leaks fixed
Revision 1.11 2001/03/25 12:29:45 peter
* offset_fixup fixes (merged)
Revision 1.10 2001/03/11 22:58:52 peter
* getsym redesign, removed the globals srsym,srsymtable
Revision 1.9 2001/02/20 21:51:36 peter
* fpu fixes (merged)
Revision 1.8 2001/02/09 23:42:49 peter
* merged fix for bug 1327
Revision 1.7 2001/01/05 17:36:58 florian
* the info about exception frames is stored now on the stack
instead on the heap
Revision 1.6 2000/12/25 00:07:34 peter
+ new tlinkedlist class (merge of old tstringqueue,tcontainer and
tlinkedlist objects)
Revision 1.5 2000/12/07 17:19:46 jonas
* new constant handling: from now on, hex constants >$7fffffff are
parsed as unsigned constants (otherwise, $80000000 got sign extended
and became $ffffffff80000000), all constants in the longint range
become longints, all constants >$7fffffff and <=cardinal($ffffffff)
are cardinals and the rest are int64's.
* added lots of longint typecast to prevent range check errors in the
compiler and rtl
* type casts of symbolic ordinal constants are now preserved
* fixed bug where the original resulttype wasn't restored correctly
after doing a 64bit rangecheck
Revision 1.4 2000/11/30 20:27:51 peter
* merged fix for bug 1229
Revision 1.3 2000/11/29 00:30:51 florian
* unused units removed from uses clause
* some changes for widestrings
Revision 1.2 2000/10/31 22:02:57 peter
* symtable splitted, no real code changes
Revision 1.1 2000/10/15 09:47:43 peter
* moved to i386/
Revision 1.8 2000/10/14 10:14:52 peter
* moehrendorf oct 2000 rewrite
Revision 1.7 2000/09/24 21:19:51 peter
* delphi compile fixes
Revision 1.6 2000/09/24 15:06:26 peter
* use defines.inc
Revision 1.5 2000/08/27 16:11:52 peter
* moved some util functions from globals,cobjects to cutils
* splitted files into finput,fmodule
Revision 1.4 2000/08/12 15:32:02 peter
* reference reading fix from Jonas (merged)
Revision 1.3 2000/07/30 17:04:43 peter
* merged fixes
Revision 1.2 2000/07/13 11:32:48 michael
+ removed logs
}
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