gcc/c-common.def

   1 /* This file contains the definitions and documentation for the
   2    additional tree codes used in the GNU C++ compiler (see tree.def
   3    for the standard codes).
   4    Copyright (C) 1987, 1988, 1990, 1993, 1997, 1998,
   5    1999, 2000 Free Software Foundation, Inc.
   6    Written by Benjamin Chelf <chelf@codesourcery.com>
   7
   8 This file is part of GNU CC.
   9
  10 GNU CC is free software; you can redistribute it and/or modify
  11 it under the terms of the GNU General Public License as published by
  12 the Free Software Foundation; either version 2, or (at your option)
  13 any later version.
  14
  15 GNU CC is distributed in the hope that it will be useful,
  16 but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 GNU General Public License for more details.
  19
  20 You should have received a copy of the GNU General Public License
  21 along with GNU CC; see the file COPYING.  If not, write to
  22 the Free Software Foundation, 59 Temple Place - Suite 330,
  23 Boston, MA 02111-1307, USA.  */
  24
  25 /* Tree nodes relevent to both C and C++. These were originally in
  26 cp-tree.def in the cp subdir. */
  27
  28 /* A node to remember a source position.  */
  29 DEFTREECODE (SRCLOC, "srcloc", 'x', 2)
  30
  31 DEFTREECODE (SIZEOF_EXPR, "sizeof_expr", '1', 1)
  32 DEFTREECODE (ARROW_EXPR, "arrow_expr", 'e', 1)
  33 DEFTREECODE (ALIGNOF_EXPR, "alignof_expr", '1', 1)
  34
  35 /* Used to represent an expression statement.  Use `EXPR_STMT_EXPR' to
  36    obtain the expression. */
  37 DEFTREECODE (EXPR_STMT, "expr_stmt", 'e', 1)
  38
  39 /* Used to represent a brace-enclosed block.  The operand is
  40    COMPOUND_BODY. */
  41 DEFTREECODE (COMPOUND_STMT, "compound_stmt", 'e', 1)
  42
  43 /* Used to represent a local declaration. The operand is
  44    DECL_STMT_DECL. */
  45 DEFTREECODE (DECL_STMT, "decl_stmt", 'e', 1)
  46
  47 /* Represents an 'if' statement. The operands are IF_COND,
  48    THEN_CLAUSE, and ELSE_CLAUSE, respectively. */
  49 DEFTREECODE (IF_STMT, "if_stmt", 'e', 3)
  50
  51 /* Used to represent a `for' statement. The operands are
  52    FOR_INIT_STMT, FOR_COND, FOR_EXPR, and FOR_BODY, respectively. */
  53 DEFTREECODE (FOR_STMT, "for_stmt", 'e', 4)
  54
  55 /* Used to represent a 'while' statement. The operands are WHILE_COND
  56    and WHILE_BODY, respectively. */
  57 DEFTREECODE (WHILE_STMT, "while_stmt", 'e', 2)
  58
  59 /* Used to represent a 'do' statement. The operands are DO_BODY and
  60    DO_COND, respectively. */
  61 DEFTREECODE (DO_STMT, "do_stmt", 'e', 2)
  62
  63 /* Used to represent a 'return' statement. The operand is
  64    RETURN_EXPR. */
  65 DEFTREECODE (RETURN_STMT, "return_stmt", 'e', 1)
  66
  67 /* Used to represent a 'break' statement. */
  68 DEFTREECODE (BREAK_STMT, "break_stmt", 'e', 0)
  69
  70 /* Used to represent a 'continue' statement. */
  71 DEFTREECODE (CONTINUE_STMT, "continue_stmt", 'e', 0)
  72
  73 /* Used to represent a 'switch' statement. The operands are
  74    SWITCH_COND and SWITCH_BODY, respectively. */
  75 DEFTREECODE (SWITCH_STMT, "switch_stmt", 'e', 2)
  76
  77 /* Used to represent a 'goto' statement. The operand is GOTO_DESTINATION. */
  78 DEFTREECODE (GOTO_STMT, "goto_stmt", 'e', 1)
  79
  80 /* Used to represent a 'label' statement. The operand is a LABEL_DECL
  81    and can be obtained through the macro LABEL_STMT_LABEL. */
  82 DEFTREECODE (LABEL_STMT, "label_stmt", 'e', 1)
  83
  84 /* Used to represent an inline assembly statement. */
  85 DEFTREECODE (ASM_STMT, "asm_stmt", 'e', 5)
  86
  87 /* A SCOPE_STMT marks the beginning or end of a scope.  If
  88    SCOPE_BEGIN_P holds, then this is the start of a scope.  If
  89    SCOPE_END_P holds, then this is the end of a scope.  If
  90    SCOPE_NULLIFIED_P holds then there turned out to be no variables in
  91    this scope.  The SCOPE_STMT_BLOCK is the BLOCK containing the
  92    variables declared in this scope.  */
  93 DEFTREECODE (SCOPE_STMT, "scope_stmt", 'e', 1)
  94
  95 /* Used to represent a CASE_LABEL. The operands are CASE_LOW and
  96    CASE_HIGH, respectively. If CASE_LOW is NULL_TREE, the label is a
  97    'default' label. If CASE_HIGH is NULL_TREE, the label is a normal case
  98    label.  The CASE_LABEL_DECL is a LABEL_DECL for this node.  */
  99 DEFTREECODE (CASE_LABEL, "case_label", 'e', 3)
 100
 101 /* A STMT_EXPR represents a statement-expression.  The
 102    STMT_EXPR_STMT is the statement given by the expression.  */
 103 DEFTREECODE (STMT_EXPR, "stmt_expr", 'e', 1)