mirror of
https://gitlab.com/freepascal.org/fpc/source.git
synced 2025-10-31 06:52:48 +01:00
654 lines
22 KiB
PHP
654 lines
22 KiB
PHP
{
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$Id$
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Copyright (c) 1998-2000 by Florian Klaempfl, Pierre Muller
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Interface for the definition types of the symtable
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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****************************************************************************
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}
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{************************************************
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TDef
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************************************************}
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tdef = object(tsymtableentry)
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deftype : tdeftype;
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typesym : ptypesym; { which type the definition was generated this def }
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has_inittable : boolean;
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{ adress of init informations }
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inittable_label : pasmlabel;
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has_rtti : boolean;
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{ address of rtti }
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rtti_label : pasmlabel;
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nextglobal,
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previousglobal : pdef;
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{$ifdef GDB}
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globalnb : word;
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is_def_stab_written : tdefstabstatus;
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{$endif GDB}
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constructor init;
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constructor load;
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destructor done;virtual;
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procedure deref;virtual;
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function typename:string;
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procedure write;virtual;
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function size:longint;virtual;
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function alignment:longint;virtual;
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function gettypename:string;virtual;
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function is_publishable : boolean;virtual;
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function is_in_current : boolean;
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procedure correct_owner_symtable; { registers enumdef inside objects or
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record directly in the owner symtable !! }
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{ debug }
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{$ifdef GDB}
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function stabstring : pchar;virtual;
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procedure concatstabto(asmlist : paasmoutput);virtual;
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function NumberString:string;
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procedure set_globalnb;virtual;
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function allstabstring : pchar;
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{$endif GDB}
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{ init. tables }
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function needs_inittable : boolean;virtual;
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procedure generate_inittable;
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function get_inittable_label : pasmlabel;
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{ the default implemenation calls write_rtti_data }
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{ if init and rtti data is different these procedures }
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{ must be overloaded }
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procedure write_init_data;virtual;
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procedure write_child_init_data;virtual;
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{ rtti }
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procedure write_rtti_name;
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function get_rtti_label : string;virtual;
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procedure generate_rtti;virtual;
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procedure write_rtti_data;virtual;
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procedure write_child_rtti_data;virtual;
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function is_intregable : boolean;
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function is_fpuregable : boolean;
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private
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savesize : longint;
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end;
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targconvtyp = (act_convertable,act_equal,act_exact);
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tvarspez = (vs_value,vs_const,vs_var,vs_out);
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pparaitem = ^tparaitem;
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tparaitem = object(tlinkedlist_item)
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paratype : ttype;
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paratyp : tvarspez;
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argconvtyp : targconvtyp;
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convertlevel : byte;
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register : tregister;
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defaultvalue : psym; { pconstsym }
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end;
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{ this is only here to override the count method,
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which can't be used }
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pparalinkedlist = ^tparalinkedlist;
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tparalinkedlist = object(tlinkedlist)
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function count:longint;
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end;
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tfiletyp = (ft_text,ft_typed,ft_untyped);
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pfiledef = ^tfiledef;
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tfiledef = object(tdef)
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filetyp : tfiletyp;
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typedfiletype : ttype;
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constructor inittext;
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constructor inituntyped;
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constructor inittyped(const tt : ttype);
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constructor inittypeddef(p : pdef);
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constructor load;
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procedure write;virtual;
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procedure deref;virtual;
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function gettypename:string;virtual;
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procedure setsize;
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{ debug }
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{$ifdef GDB}
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function stabstring : pchar;virtual;
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procedure concatstabto(asmlist : paasmoutput);virtual;
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{$endif GDB}
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end;
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pformaldef = ^tformaldef;
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tformaldef = object(tdef)
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constructor init;
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constructor load;
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procedure write;virtual;
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function gettypename:string;virtual;
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{$ifdef GDB}
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function stabstring : pchar;virtual;
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procedure concatstabto(asmlist : paasmoutput);virtual;
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{$endif GDB}
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end;
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pforwarddef = ^tforwarddef;
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tforwarddef = object(tdef)
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tosymname : string;
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forwardpos : tfileposinfo;
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constructor init(const s:string;const pos : tfileposinfo);
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function gettypename:string;virtual;
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end;
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perrordef = ^terrordef;
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terrordef = object(tdef)
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constructor init;
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function gettypename:string;virtual;
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{ debug }
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{$ifdef GDB}
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function stabstring : pchar;virtual;
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{$endif GDB}
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end;
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{ tpointerdef and tclassrefdef should get a common
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base class, but I derived tclassrefdef from tpointerdef
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to avoid problems with bugs (FK)
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}
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ppointerdef = ^tpointerdef;
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tpointerdef = object(tdef)
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pointertype : ttype;
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is_far : boolean;
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constructor init(const tt : ttype);
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constructor initfar(const tt : ttype);
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constructor initdef(p : pdef);
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constructor initfardef(p : pdef);
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constructor load;
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destructor done;virtual;
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procedure write;virtual;
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procedure deref;virtual;
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function gettypename:string;virtual;
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{ debug }
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{$ifdef GDB}
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function stabstring : pchar;virtual;
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procedure concatstabto(asmlist : paasmoutput);virtual;
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{$endif GDB}
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{private}
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public
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{ I don't know the use of this FK }
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pointertypeis_forwarddef: boolean;
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end;
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pprocdef = ^tprocdef;
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pimplementedinterfaces = ^timplementedinterfaces;
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pobjectdef = ^tobjectdef;
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tobjectdef = object(tdef)
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childof : pobjectdef;
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objname : pstring;
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symtable : psymtable;
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objectoptions : tobjectoptions;
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{ to be able to have a variable vmt position }
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{ and no vmt field for objects without virtuals }
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vmt_offset : longint;
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{$ifdef GDB}
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classglobalnb,
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classptrglobalnb : word;
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writing_stabs : boolean;
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{$endif GDB}
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objecttype : tobjectdeftype;
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isiidguidvalid: boolean;
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iidguid: TGUID;
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iidstr: pstring;
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lastvtableindex: longint;
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{ store implemented interfaces defs and name mappings }
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implementedinterfaces: pimplementedinterfaces;
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constructor init(odt : tobjectdeftype; const n : string;c : pobjectdef);
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constructor load;
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destructor done;virtual;
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procedure write;virtual;
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procedure deref;virtual;
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function size : longint;virtual;
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function alignment:longint;virtual;
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function vmtmethodoffset(index:longint):longint;
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function is_publishable : boolean;virtual;
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function vmt_mangledname : string;
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function rtti_name : string;
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procedure check_forwards;
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function is_related(d : pobjectdef) : boolean;
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function next_free_name_index : longint;
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procedure insertvmt;
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procedure set_parent(c : pobjectdef);
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function searchdestructor : pprocdef;
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{ debug }
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{$ifdef GDB}
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function stabstring : pchar;virtual;
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procedure set_globalnb;virtual;
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function classnumberstring : string;
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function classptrnumberstring : string;
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procedure concatstabto(asmlist : paasmoutput);virtual;
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{$endif GDB}
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{ init/final }
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function needs_inittable : boolean;virtual;
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procedure write_init_data;virtual;
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procedure write_child_init_data;virtual;
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{ rtti }
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function get_rtti_label : string;virtual;
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procedure generate_rtti;virtual;
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procedure write_rtti_data;virtual;
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procedure write_child_rtti_data;virtual;
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function generate_field_table : pasmlabel;
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end;
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timplementedinterfaces = object
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constructor init;
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destructor done; virtual;
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function count: longint;
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function interfaces(intfindex: longint): pobjectdef;
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function ioffsets(intfindex: longint): plongint;
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function searchintf(def: pdef): longint;
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procedure addintf(def: pdef);
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procedure deref;
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procedure addintfref(def: pdef);
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procedure clearmappings;
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procedure addmappings(intfindex: longint; const name, newname: string);
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function getmappings(intfindex: longint; const name: string; var nextexist: pointer): string;
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procedure clearimplprocs;
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procedure addimplproc(intfindex: longint; procdef: pprocdef);
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function implproccount(intfindex: longint): longint;
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function implprocs(intfindex: longint; procindex: longint): pprocdef;
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function isimplmergepossible(intfindex, remainindex: longint; var weight: longint): boolean;
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private
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finterfaces: tindexarray;
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procedure checkindex(intfindex: longint);
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end;
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pclassrefdef = ^tclassrefdef;
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tclassrefdef = object(tpointerdef)
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constructor init(def : pdef);
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constructor load;
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procedure write;virtual;
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function gettypename:string;virtual;
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{ debug }
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{$ifdef GDB}
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function stabstring : pchar;virtual;
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procedure concatstabto(asmlist : paasmoutput);virtual;
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{$endif GDB}
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end;
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parraydef = ^tarraydef;
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tarraydef = object(tdef)
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private
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rangenr : longint;
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public
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lowrange,
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highrange : longint;
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elementtype,
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rangetype : ttype;
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IsDynamicArray,
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IsVariant,
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IsConstructor,
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IsArrayOfConst : boolean;
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function gettypename:string;virtual;
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function elesize : longint;
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constructor init(l,h : longint;rd : pdef);
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constructor load;
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procedure write;virtual;
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{$ifdef GDB}
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function stabstring : pchar;virtual;
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procedure concatstabto(asmlist : paasmoutput);virtual;
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{$endif GDB}
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procedure deref;virtual;
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function size : longint;virtual;
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function alignment : longint;virtual;
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{ generates the ranges needed by the asm instruction BOUND (i386)
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or CMP2 (Motorola) }
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procedure genrangecheck;
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{ returns the label of the range check string }
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function getrangecheckstring : string;
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function needs_inittable : boolean;virtual;
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procedure write_rtti_data;virtual;
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procedure write_child_rtti_data;virtual;
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end;
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precorddef = ^trecorddef;
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trecorddef = object(tdef)
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symtable : psymtable;
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constructor init(p : psymtable);
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constructor load;
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destructor done;virtual;
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procedure write;virtual;
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procedure deref;virtual;
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function size:longint;virtual;
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function alignment : longint;virtual;
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function gettypename:string;virtual;
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{ debug }
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{$ifdef GDB}
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function stabstring : pchar;virtual;
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procedure concatstabto(asmlist : paasmoutput);virtual;
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{$endif GDB}
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{ init/final }
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procedure write_init_data;virtual;
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procedure write_child_init_data;virtual;
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function needs_inittable : boolean;virtual;
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{ rtti }
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procedure write_rtti_data;virtual;
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procedure write_child_rtti_data;virtual;
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end;
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porddef = ^torddef;
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torddef = object(tdef)
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private
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rangenr : longint;
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public
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low,high : longint;
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typ : tbasetype;
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constructor init(t : tbasetype;v,b : longint);
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constructor load;
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procedure write;virtual;
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function is_publishable : boolean;virtual;
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function gettypename:string;virtual;
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procedure setsize;
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{ generates the ranges needed by the asm instruction BOUND }
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{ or CMP2 (Motorola) }
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procedure genrangecheck;
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function getrangecheckstring : string;
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{ debug }
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{$ifdef GDB}
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function stabstring : pchar;virtual;
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{$endif GDB}
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{ rtti }
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procedure write_rtti_data;virtual;
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end;
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pfloatdef = ^tfloatdef;
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tfloatdef = object(tdef)
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typ : tfloattype;
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constructor init(t : tfloattype);
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constructor load;
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procedure write;virtual;
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function gettypename:string;virtual;
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function is_publishable : boolean;virtual;
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procedure setsize;
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{ debug }
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{$ifdef GDB}
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function stabstring : pchar;virtual;
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{$endif GDB}
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{ rtti }
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procedure write_rtti_data;virtual;
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end;
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pabstractprocdef = ^tabstractprocdef;
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tabstractprocdef = object(tdef)
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{ saves a definition to the return type }
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rettype : ttype;
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proctypeoption : tproctypeoption;
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proccalloptions : tproccalloptions;
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procoptions : tprocoptions;
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para : pparalinkedlist;
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maxparacount,
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minparacount : longint;
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symtablelevel : byte;
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fpu_used : byte; { how many stack fpu must be empty }
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constructor init;
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constructor load;
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destructor done;virtual;
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procedure write;virtual;
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procedure deref;virtual;
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procedure concatpara(tt:ttype;vsp : tvarspez;defval:psym);
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function para_size(alignsize:longint) : longint;
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function demangled_paras : string;
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function proccalloption2str : string;
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procedure test_if_fpu_result;
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{ debug }
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{$ifdef GDB}
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function stabstring : pchar;virtual;
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procedure concatstabto(asmlist : paasmoutput);virtual;
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{$endif GDB}
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end;
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pprocvardef = ^tprocvardef;
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tprocvardef = object(tabstractprocdef)
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constructor init;
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constructor load;
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procedure write;virtual;
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function size : longint;virtual;
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function gettypename:string;virtual;
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function is_publishable : boolean;virtual;
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{ debug }
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{$ifdef GDB}
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function stabstring : pchar;virtual;
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procedure concatstabto(asmlist : paasmoutput); virtual;
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{$endif GDB}
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{ rtti }
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procedure write_child_rtti_data;virtual;
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procedure write_rtti_data;virtual;
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end;
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tmessageinf = record
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case integer of
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0 : (str : pchar);
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1 : (i : longint);
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end;
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tprocdef = object(tabstractprocdef)
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private
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_mangledname : pstring;
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public
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extnumber : longint;
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messageinf : tmessageinf;
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nextoverloaded : pprocdef;
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{ where is this function defined, needed here because there
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is only one symbol for all overloaded functions }
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fileinfo : tfileposinfo;
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{ pointer to the local symbol table }
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localst : psymtable;
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{ pointer to the parameter symbol table }
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parast : psymtable;
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{ symbol owning this definition }
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procsym : pprocsym;
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{ browser info }
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lastref,
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defref,
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crossref,
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lastwritten : pref;
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refcount : longint;
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_class : pobjectdef;
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{ it's a tree, but this not easy to handle }
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{ used for inlined procs }
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code : pointer;
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{ info about register variables (JM) }
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regvarinfo: pointer;
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{ true, if the procedure is only declared }
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{ (forward procedure) }
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forwarddef,
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{ true if the procedure is declared in the interface }
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interfacedef : boolean;
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{ true if the procedure has a forward declaration }
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hasforward : boolean;
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{ check the problems of manglednames }
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count : boolean;
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is_used : boolean;
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{ small set which contains the modified registers }
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{$ifdef newcg}
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usedregisters : tregisterset;
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{$else newcg}
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usedregisters : longint;
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{$endif newcg}
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constructor init;
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constructor load;
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destructor done;virtual;
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procedure write;virtual;
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procedure deref;virtual;
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function haspara:boolean;
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function mangledname : string;
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procedure setmangledname(const s : string);
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procedure load_references;
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function write_references : boolean;
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{$ifdef dummy}
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function procname: string;
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{$endif dummy}
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function cplusplusmangledname : string;
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{ debug }
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{$ifdef GDB}
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function stabstring : pchar;virtual;
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procedure concatstabto(asmlist : paasmoutput);virtual;
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{$endif GDB}
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{ browser }
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{$ifdef BrowserLog}
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procedure add_to_browserlog;
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{$endif BrowserLog}
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end;
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pstringdef = ^tstringdef;
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tstringdef = object(tdef)
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string_typ : tstringtype;
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len : longint;
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constructor shortinit(l : byte);
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constructor shortload;
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constructor longinit(l : longint);
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constructor longload;
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constructor ansiinit(l : longint);
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constructor ansiload;
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constructor wideinit(l : longint);
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constructor wideload;
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function stringtypname:string;
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function size : longint;virtual;
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procedure write;virtual;
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function gettypename:string;virtual;
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function is_publishable : boolean;virtual;
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{ debug }
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{$ifdef GDB}
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function stabstring : pchar;virtual;
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procedure concatstabto(asmlist : paasmoutput);virtual;
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{$endif GDB}
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{ init/final }
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function needs_inittable : boolean;virtual;
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{ rtti }
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procedure write_rtti_data;virtual;
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end;
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|
penumdef = ^tenumdef;
|
|
tenumdef = object(tdef)
|
|
rangenr,
|
|
minval,
|
|
maxval : longint;
|
|
has_jumps : boolean;
|
|
firstenum : penumsym;
|
|
basedef : penumdef;
|
|
constructor init;
|
|
constructor init_subrange(_basedef:penumdef;_min,_max:longint);
|
|
constructor load;
|
|
destructor done;virtual;
|
|
procedure write;virtual;
|
|
procedure deref;virtual;
|
|
function gettypename:string;virtual;
|
|
function is_publishable : boolean;virtual;
|
|
procedure calcsavesize;
|
|
procedure setmax(_max:longint);
|
|
procedure setmin(_min:longint);
|
|
function min:longint;
|
|
function max:longint;
|
|
function getrangecheckstring:string;
|
|
procedure genrangecheck;
|
|
{ debug }
|
|
{$ifdef GDB}
|
|
function stabstring : pchar;virtual;
|
|
{$endif GDB}
|
|
{ rtti }
|
|
procedure write_child_rtti_data;virtual;
|
|
procedure write_rtti_data;virtual;
|
|
end;
|
|
|
|
psetdef = ^tsetdef;
|
|
tsetdef = object(tdef)
|
|
elementtype : ttype;
|
|
settype : tsettype;
|
|
constructor init(s : pdef;high : longint);
|
|
constructor load;
|
|
destructor done;virtual;
|
|
procedure write;virtual;
|
|
procedure deref;virtual;
|
|
function gettypename:string;virtual;
|
|
function is_publishable : boolean;virtual;
|
|
{ debug }
|
|
{$ifdef GDB}
|
|
function stabstring : pchar;virtual;
|
|
procedure concatstabto(asmlist : paasmoutput);virtual;
|
|
{$endif GDB}
|
|
{ rtti }
|
|
procedure write_rtti_data;virtual;
|
|
procedure write_child_rtti_data;virtual;
|
|
end;
|
|
|
|
{
|
|
$Log$
|
|
Revision 1.15 2000-11-04 14:25:22 florian
|
|
+ merged Attila's changes for interfaces, not tested yet
|
|
|
|
Revision 1.14 2000/10/31 22:02:52 peter
|
|
* symtable splitted, no real code changes
|
|
|
|
Revision 1.13 2000/10/21 18:16:12 florian
|
|
* a lot of changes:
|
|
- basic dyn. array support
|
|
- basic C++ support
|
|
- some work for interfaces done
|
|
....
|
|
|
|
Revision 1.12 2000/10/15 07:47:52 peter
|
|
* unit names and procedure names are stored mixed case
|
|
|
|
Revision 1.11 2000/10/14 10:14:53 peter
|
|
* moehrendorf oct 2000 rewrite
|
|
|
|
Revision 1.10 2000/09/24 15:06:29 peter
|
|
* use defines.inc
|
|
|
|
Revision 1.9 2000/09/19 23:08:03 pierre
|
|
* fixes for local class debuggging problem (merged)
|
|
|
|
Revision 1.8 2000/08/21 11:27:44 pierre
|
|
* fix the stabs problems
|
|
|
|
Revision 1.7 2000/08/06 19:39:28 peter
|
|
* default parameters working !
|
|
|
|
Revision 1.6 2000/08/06 14:17:15 peter
|
|
* overload fixes (merged)
|
|
|
|
Revision 1.5 2000/08/03 13:17:26 jonas
|
|
+ allow regvars to be used inside inlined procs, which required the
|
|
following changes:
|
|
+ load regvars in genentrycode/free them in genexitcode (cgai386)
|
|
* moved all regvar related code to new regvars unit
|
|
+ added pregvarinfo type to hcodegen
|
|
+ added regvarinfo field to tprocinfo (symdef/symdefh)
|
|
* deallocate the regvars of the caller in secondprocinline before
|
|
inlining the called procedure and reallocate them afterwards
|
|
|
|
Revision 1.4 2000/08/02 19:49:59 peter
|
|
* first things for default parameters
|
|
|
|
Revision 1.3 2000/07/13 12:08:27 michael
|
|
+ patched to 1.1.0 with former 1.09patch from peter
|
|
|
|
Revision 1.2 2000/07/13 11:32:49 michael
|
|
+ removed logs
|
|
|
|
} |