gcc/m2/gm2-compiler/M2Graph.def

   1 (* M2Graph.def maintains the dependancy graph depth.
   2
   3 Copyright (C) 2022-2024 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 DEFINITION MODULE M2Graph ;
  23
  24 FROM Lists IMPORT List ;
  25
  26 TYPE
  27    Graph ;
  28
  29
  30 (*
  31    InitGraph - creates and returns an empty graph.
  32 *)
  33
  34 PROCEDURE InitGraph () : Graph ;
  35
  36
  37 (*
  38    KillGraph - deletes graph and all nodes.
  39 *)
  40
  41 PROCEDURE KillGraph (VAR g: Graph) ;
  42
  43
  44 (*
  45    AddDependent - adds moduleSym <- dependSym into the graph.
  46 *)
  47
  48 PROCEDURE AddDependent (graph: Graph; moduleSym, dependSym: CARDINAL) ;
  49
  50
  51 (*
  52    SortGraph - returns a List containing the sorted graph.
  53 *)
  54
  55 PROCEDURE SortGraph (g: Graph; topModule: CARDINAL) : List ;
  56
  57
  58 END M2Graph.