gcc/m2/gm2-gcc/m2treelib.def

   1 (* m2treelib.def definition module for m2treelib.cc.
   2
   3 Copyright (C) 2011-2022 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 DEFINITION MODULE FOR "C" m2treelib ;
  23
  24 FROM m2tree IMPORT Tree ;
  25 FROM m2linemap IMPORT location_t ;
  26 FROM SYSTEM IMPORT ADDRESS ;
  27
  28 TYPE
  29    tree_code = INTEGER ;
  30
  31
  32 (*
  33     get_set_address_if_var - returns the address of, op, providing
  34                              it is not a constant.
  35                              NULL is returned if, op, is a constant.
  36 *)
  37
  38 PROCEDURE get_set_address_if_var (location: location_t; op: Tree; is_lvalue: INTEGER; is_const: INTEGER) : Tree ;
  39
  40
  41 (*
  42     get_set_field_rhs - returns the value of p->field.
  43 *)
  44
  45 PROCEDURE get_set_field_rhs (location: location_t; p: Tree; field: Tree) : Tree ;
  46
  47
  48 (*
  49     get_set_field_lhs - returns the address of p->field.
  50 *)
  51
  52 PROCEDURE get_set_field_lhs (location: location_t; p: Tree; field: Tree) : Tree ;
  53
  54
  55 (*
  56     get_set_address - returns the address of op1.
  57 *)
  58
  59 PROCEDURE get_set_address (location: location_t; op1: Tree; is_lvalue: INTEGER) : Tree ;
  60
  61
  62 (*
  63     get_set_value - returns the value indicated by, field, in the set.
  64                     Either p->field or the constant(op.fieldNo) is returned.
  65 *)
  66
  67 PROCEDURE get_set_value (location: location_t; p: Tree; field: Tree; is_const: INTEGER; op: Tree; fieldNo: CARDINAL) : Tree ;
  68
  69
  70 (*
  71     get_field_no - returns the field no for, op.  The, op, is either
  72                    a constructor or a variable of type record.
  73                    If, op, is a constructor (a set constant in GNU Modula-2)
  74                    then this function is essentially a no-op and it returns op.
  75                    Else we iterate over the field list and return the
  76                    appropriate field number.
  77 *)
  78
  79 PROCEDURE get_field_no (type: Tree; op: Tree; is_const: INTEGER; fieldNo: CARDINAL) : Tree ;
  80
  81
  82 (*
  83     get_rvalue - returns the rvalue of t. The, type, is the object type to be
  84                  copied upon indirection.
  85 *)
  86
  87 PROCEDURE get_rvalue (location: location_t; t: Tree; type: Tree; is_lvalue: INTEGER) : Tree ;
  88
  89
  90 (*
  91     DoCall - build a call tree arranging the parameter list as a vector.
  92 *)
  93
  94 PROCEDURE DoCall (location: location_t; rettype: Tree; funcptr: Tree; param_list: Tree) : Tree ;
  95
  96
  97
  98 PROCEDURE build_modify_expr (location: location_t; des: Tree; modifycode: tree_code; copy: Tree) : Tree ;
  99
 100
 101 (*
 102     do_jump_if_bit - tests bit in word against integer zero using operator, code.
 103                      If the result is true then jump to label.
 104 *)
 105
 106 PROCEDURE do_jump_if_bit (location: location_t; code: tree_code; word: Tree; bit: Tree; label: ADDRESS) ;
 107
 108
 109 END m2treelib.