{
Copyright (c) 1998-2002 by Florian Klaempfl, Pierre Muller
Tokens used by the compiler
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 tokens;
{$i fpcdefs.inc}
interface
uses
globtype;
type
ttoken=(NOTOKEN,
{ operators, which can also be overloaded }
_PLUS,
_MINUS,
_STAR,
_SLASH,
_EQUAL,
_GT,
_LT,
_GTE,
_LTE,
_SYMDIF,
_STARSTAR,
_OP_AS,
_OP_IN,
_OP_IS,
_OP_OR,
_OP_AND,
_OP_DIV,
_OP_MOD,
_OP_NOT,
_OP_SHL,
_OP_SHR,
_OP_XOR,
_ASSIGNMENT,
{ special chars }
_CARET,
_UNEQUAL,
_LECKKLAMMER,
_RECKKLAMMER,
_POINT,
_COMMA,
_LKLAMMER,
_RKLAMMER,
_COLON,
_SEMICOLON,
_KLAMMERAFFE,
_POINTPOINT,
_POINTPOINTPOINT,
_PIPE,
_AMPERSAND,
_EOF,
_ID,
_NOID,
_REALNUMBER,
_INTCONST,
_CSTRING,
_CCHAR,
_CWSTRING,
_CWCHAR,
_LSHARPBRACKET,
_RSHARPBRACKET,
{ C like operators }
_PLUSASN,
_MINUSASN,
_ANDASN,
_ORASN,
_STARASN,
_SLASHASN,
_MODASN,
_DIVASN,
_NOTASN,
_XORASN,
_GENERICSPECIALTOKEN,
{ Normal words -- ATTENTION: These words must be sorted: }
{ first in length order, then in alphabetical order. }
_C,
_AS,
_AT,
_DO,
_IF,
_IN,
_IS,
_OF,
_ON,
_OR,
_TO,
_AND,
_ASM,
_DIV,
_END,
_FAR,
_FOR,
_MOD,
_NIL,
_NOT,
_OUT,
_SET,
_SHL,
_SHR,
_TRY,
_VAR,
_XOR,
_CASE,
_CVAR,
_ELSE,
_EXIT,
_FAIL,
_FILE,
_GOTO,
_NAME,
_NEAR,
_READ,
_SELF,
_SYSV,
_THEN,
_TRUE,
_TYPE,
_UNIT,
_UNIV,
_USES,
_WITH,
_ALIAS,
_ARRAY,
_BEGIN,
_BREAK,
_CDECL,
_CLASS,
_CONST,
_FALSE,
_FAR16,
_INDEX,
_LABEL,
_LOCAL,
_RAISE,
_UNTIL,
_WHILE,
_WRITE,
_DISPID,
_DOWNTO,
_EXCEPT,
_EXPORT,
_INLINE,
_LEGACY,
_OBJECT,
_PACKED,
_PASCAL,
_PUBLIC,
_RECORD,
_REPEAT,
_RESULT,
_RETURN,
_STATIC,
_STORED,
_STRICT,
_STRING,
_SYSTEM,
_ASMNAME,
_CPPDECL,
_DEFAULT,
_DYNAMIC,
_EXPORTS,
_FINALLY,
_FORWARD,
_GENERIC,
_IOCHECK,
_LIBRARY,
_MESSAGE,
_PACKAGE,
_PRIVATE,
_PROGRAM,
_R12BASE,
_STDCALL,
_SYSCALL,
_VARARGS,
_VIRTUAL,
_ABSOLUTE,
_ABSTRACT,
_BASESYSV,
_CONTAINS,
_CONTINUE,
_CPPCLASS,
_EXTERNAL,
_FUNCTION,
_LOCATION,
_MWPASCAL,
_OPERATOR,
_OVERLOAD,
_OVERRIDE,
_PLATFORM,
_PROPERTY,
_READONLY,
_REGISTER,
_REQUIRES,
_RESIDENT,
_SAFECALL,
_SYSVBASE,
_ASSEMBLER,
_BITPACKED,
_INHERITED,
_INTERFACE,
_INTERRUPT,
_NODEFAULT,
_OTHERWISE,
_PROCEDURE,
_PROTECTED,
_PUBLISHED,
_SOFTFLOAT,
_THREADVAR,
_WRITEONLY,
_DEPRECATED,
_DESTRUCTOR,
_IMPLEMENTS,
_INTERNPROC,
_OLDFPCCALL,
_OPENSTRING,
_SPECIALIZE,
_CONSTRUCTOR,
_INTERNCONST,
_REINTRODUCE,
_SHORTSTRING,
_COMPILERPROC,
_FINALIZATION,
_NOSTACKFRAME,
_DISPINTERFACE,
_UNIMPLEMENTED,
_IMPLEMENTATION,
_INITIALIZATION,
_RESOURCESTRING
);
const
tokenlenmin = 1;
tokenlenmax = 14;
{ last operator which can be overloaded, the first_overloaded should
be declared directly after NOTOKEN }
first_overloaded = succ(NOTOKEN);
last_overloaded = _ASSIGNMENT;
type
tokenrec=record
str : string[tokenlenmax];
special : boolean;
keyword : tmodeswitch;
op : ttoken;
end;
ttokenarray=array[ttoken] of tokenrec;
ptokenarray=^ttokenarray;
tokenidxrec=record
first,last : ttoken;
end;
ptokenidx=^ttokenidx;
ttokenidx=array[tokenlenmin..tokenlenmax,'A'..'Z'] of tokenidxrec;
const
arraytokeninfo : ttokenarray =(
(str:'' ;special:true ;keyword:m_none;op:NOTOKEN),
{ Operators which can be overloaded }
(str:'+' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'-' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'*' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'/' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'=' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'>' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'<' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'>=' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'<=' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'><' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'**' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'as' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'in' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'is' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'or' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'and' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'div' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'mod' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'not' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'shl' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'shr' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'xor' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:':=' ;special:true ;keyword:m_none;op:NOTOKEN),
{ Special chars }
(str:'^' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'<>' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'[' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:']' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'.' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:',' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'(' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:')' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:':' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:';' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'@' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'..' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'...' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'|' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'&' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'end of file' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'identifier' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'non identifier';special:true ;keyword:m_none;op:NOTOKEN),
(str:'const real' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'ordinal const' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'const string' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'const char' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'const wstring' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'const wchar' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'<' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'>' ;special:true ;keyword:m_none;op:NOTOKEN),
{ C like operators }
(str:'+=' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'-=' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'&=' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'|=' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'*=' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'/=' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'' ;special:true ;keyword:m_none;op:NOTOKEN),
(str:'gen. spec.' ;special:true ;keyword:m_none;op:NOTOKEN),
{ Normal words -- ATTENTION: These words must be sorted: }
{ first in length order, then in alphabetical order. }
(str:'C' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'AS' ;special:false;keyword:m_class;op:_OP_AS),
(str:'AT' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'DO' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'IF' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'IN' ;special:false;keyword:m_all;op:_OP_IN),
(str:'IS' ;special:false;keyword:m_class;op:_OP_IS),
(str:'OF' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'ON' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'OR' ;special:false;keyword:m_all;op:_OP_OR),
(str:'TO' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'AND' ;special:false;keyword:m_all;op:_OP_AND),
(str:'ASM' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'DIV' ;special:false;keyword:m_all;op:_OP_DIV),
(str:'END' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'FAR' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'FOR' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'MOD' ;special:false;keyword:m_all;op:_OP_MOD),
(str:'NIL' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'NOT' ;special:false;keyword:m_all;op:_OP_NOT),
(str:'OUT' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'SET' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'SHL' ;special:false;keyword:m_all;op:_OP_SHL),
(str:'SHR' ;special:false;keyword:m_all;op:_OP_SHR),
(str:'TRY' ;special:false;keyword:m_except;op:NOTOKEN),
(str:'VAR' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'XOR' ;special:false;keyword:m_all;op:_OP_XOR),
(str:'CASE' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'CVAR' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'ELSE' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'EXIT' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'FAIL' ;special:false;keyword:m_none;op:NOTOKEN), { only set within constructors PM }
(str:'FILE' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'GOTO' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'NAME' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'NEAR' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'READ' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'SELF' ;special:false;keyword:m_none;op:NOTOKEN), {set inside methods only PM }
(str:'SYSV' ;special:false;keyword:m_none;op:NOTOKEN), { Syscall variation on MorphOS }
(str:'THEN' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'TRUE' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'TYPE' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'UNIT' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'UNIV' ;special:false;keyword:m_mac;op:NOTOKEN),
(str:'USES' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'WITH' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'ALIAS' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'ARRAY' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'BEGIN' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'BREAK' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'CDECL' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'CLASS' ;special:false;keyword:m_class;op:NOTOKEN),
(str:'CONST' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'FALSE' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'FAR16' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'INDEX' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'LABEL' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'LOCAL' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'RAISE' ;special:false;keyword:m_except;op:NOTOKEN),
(str:'UNTIL' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'WHILE' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'WRITE' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'DISPID' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'DOWNTO' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'EXCEPT' ;special:false;keyword:m_except;op:NOTOKEN),
(str:'EXPORT' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'INLINE' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'LEGACY' ;special:false;keyword:m_none;op:NOTOKEN), { Syscall variation on MorphOS }
(str:'OBJECT' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'PACKED' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'PASCAL' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'PUBLIC' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'RECORD' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'REPEAT' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'RESULT' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'RETURN' ;special:false;keyword:m_mac;op:NOTOKEN),
(str:'STATIC' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'STORED' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'STRICT' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'STRING' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'SYSTEM' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'ASMNAME' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'CPPDECL' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'DEFAULT' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'DYNAMIC' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'EXPORTS' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'FINALLY' ;special:false;keyword:m_except;op:NOTOKEN),
(str:'FORWARD' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'GENERIC' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'IOCHECK' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'LIBRARY' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'MESSAGE' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'PACKAGE' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'PRIVATE' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'PROGRAM' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'R12BASE' ;special:false;keyword:m_none;op:NOTOKEN), { Syscall variation on MorphOS }
(str:'STDCALL' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'SYSCALL' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'VARARGS' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'VIRTUAL' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'ABSOLUTE' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'ABSTRACT' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'BASESYSV' ;special:false;keyword:m_none;op:NOTOKEN), { Syscall variation on MorphOS }
(str:'CONTAINS' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'CONTINUE' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'CPPCLASS' ;special:false;keyword:m_fpc;op:NOTOKEN),
(str:'EXTERNAL' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'FUNCTION' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'LOCATION' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'MWPASCAL' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'OPERATOR' ;special:false;keyword:m_fpc;op:NOTOKEN),
(str:'OVERLOAD' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'OVERRIDE' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'PLATFORM' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'PROPERTY' ;special:false;keyword:m_property;op:NOTOKEN),
(str:'READONLY' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'REGISTER' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'REQUIRES' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'RESIDENT' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'SAFECALL' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'SYSVBASE' ;special:false;keyword:m_none;op:NOTOKEN), { Syscall variation on MorphOS }
(str:'ASSEMBLER' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'BITPACKED' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'INHERITED' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'INTERFACE' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'INTERRUPT' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'NODEFAULT' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'OTHERWISE' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'PROCEDURE' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'PROTECTED' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'PUBLISHED' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'SOFTFLOAT' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'THREADVAR' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'WRITEONLY' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'DEPRECATED' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'DESTRUCTOR' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'IMPLEMENTS' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'INTERNPROC' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'OLDFPCCALL' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'OPENSTRING' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'SPECIALIZE' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'CONSTRUCTOR' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'INTERNCONST' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'REINTRODUCE' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'SHORTSTRING' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'COMPILERPROC' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'FINALIZATION' ;special:false;keyword:m_initfinal;op:NOTOKEN),
(str:'NOSTACKFRAME' ;special:false;keyword:m_none;op:NOTOKEN),
(str:'DISPINTERFACE' ;special:false;keyword:m_class;op:NOTOKEN),
(str:'UNIMPLEMENTED' ;special:false;keyword:m_all;op:NOTOKEN),
(str:'IMPLEMENTATION';special:false;keyword:m_all;op:NOTOKEN),
(str:'INITIALIZATION';special:false;keyword:m_initfinal;op:NOTOKEN),
(str:'RESOURCESTRING';special:false;keyword:m_all;op:NOTOKEN)
);
var
tokeninfo:ptokenarray;
tokenidx:ptokenidx;
procedure inittokens;
procedure donetokens;
procedure create_tokenidx;
implementation
procedure create_tokenidx;
{ create an index with the first and last token for every possible token
length, so a search only will be done in that small part }
var
t : ttoken;
i : longint;
c : char;
begin
fillchar(tokenidx^,sizeof(tokenidx^),0);
for t:=low(ttoken) to high(ttoken) do
begin
if not arraytokeninfo[t].special then
begin
i:=length(arraytokeninfo[t].str);
c:=arraytokeninfo[t].str[1];
if ord(tokenidx^[i,c].first)=0 then
tokenidx^[i,c].first:=t;
tokenidx^[i,c].last:=t;
end;
end;
end;
procedure inittokens;
begin
if tokenidx = nil then
begin
tokeninfo:=@arraytokeninfo;
new(tokenidx);
create_tokenidx;
end;
end;
procedure donetokens;
begin
if tokenidx <> nil then
begin
tokeninfo:=nil;
dispose(tokenidx);
tokenidx:=nil;
end;
end;
end.
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