gcc/m2/gm2-compiler/M2Size.mod

   1 (* M2Size.mod exports the standard function SIZE.
   2
   3 Copyright (C) 2003-2022 Free Software Foundation, Inc.
   4 Contributed by Gaius Mulley <gaius.mulley@southwales.ac.uk>.
   5
   6 This file is part of GNU Modula-2.
   7
   8 GNU Modula-2 is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 3, or (at your option)
  11 any later version.
  12
  13 GNU Modula-2 is distributed in the hope that it will be useful, but
  14 WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16 General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GNU Modula-2; see the file COPYING3.  If not see
  20 <http://www.gnu.org/licenses/>.  *)
  21
  22 IMPLEMENTATION MODULE M2Size ;
  23
  24 FROM NameKey IMPORT MakeKey ;
  25 FROM M2Base IMPORT ZType ;
  26 FROM M2LexBuf IMPORT BuiltinTokenNo ;
  27
  28 FROM SymbolTable IMPORT NulSym, MakeProcedure, PutFunction,
  29                         AddSymToModuleScope, GetCurrentScope ;
  30
  31
  32 (*
  33    MakeSize - creates and declares the standard function SIZE.
  34 *)
  35
  36 PROCEDURE MakeSize ;
  37 BEGIN
  38    IF Size=NulSym
  39    THEN
  40                                                      (* Function        *)
  41       Size := MakeProcedure (BuiltinTokenNo, MakeKey('SIZE')) ;
  42       PutFunction(Size, ZType)                       (* Return Type     *)
  43                                                      (* ZType           *)
  44    ELSE
  45       AddSymToModuleScope(GetCurrentScope(), Size)
  46    END
  47 END MakeSize ;
  48
  49
  50 BEGIN
  51    Size := NulSym
  52 END M2Size.