gcc/m2/m2-tree.h

   1 /* m2-tree.h create language specific tree nodes for Modula-2.
   2
   3 Copyright (C) 2001-2022 Free Software Foundation, Inc.
   4 Contributed by Gaius Mulley <gaius@glam.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 #ifndef GCC_GM2_TREE_H
  23 #define GCC_GM2_TREE_H
  24
  25 #include "ggc.h"
  26 #include "function.h"
  27 #include "hashtab.h"
  28 #include "vec.h"
  29
  30 /* These macros provide convenient access to the various statement nodes.  */
  31
  32 #define TRY_STMTS(NODE)         TREE_OPERAND (TRY_BLOCK_CHECK (NODE), 0)
  33 #define TRY_HANDLERS(NODE)      TREE_OPERAND (TRY_BLOCK_CHECK (NODE), 1)
  34
  35 /* Nonzero if this try block is a function try block.  */
  36 #define FN_TRY_BLOCK_P(NODE)    TREE_LANG_FLAG_3 (TRY_BLOCK_CHECK (NODE))
  37 #define HANDLER_PARMS(NODE)     TREE_OPERAND (HANDLER_CHECK (NODE), 0)
  38 #define HANDLER_BODY(NODE)      TREE_OPERAND (HANDLER_CHECK (NODE), 1)
  39 #define HANDLER_TYPE(NODE)      TREE_TYPE (HANDLER_CHECK (NODE))
  40
  41 /* STMT_EXPR accessor.  */
  42 #define STMT_EXPR_STMT(NODE)    TREE_OPERAND (STMT_EXPR_CHECK (NODE), 0)
  43
  44 /* EXPR_STMT accessor.  This gives the expression associated with an
  45    expression statement.  */
  46 #define EXPR_STMT_EXPR(NODE)    TREE_OPERAND (EXPR_STMT_CHECK (NODE), 0)
  47
  48 #endif