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1996-09-28
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3KB
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59 lines
/****************************************************************************/
/* */
/* GNAT COMPILER COMPONENTS */
/* */
/* GNAT-SPECIFIC GCC TREE CODES */
/* */
/* Specification */
/* */
/* $Revision: 1.5 $ */
/* */
/* Copyright (c) 1993, NYU, All Rights Reserved */
/* */
/* GNAT is free software; you can redistribute it and/or modify it under */
/* terms of the GNU General Public License as published by the Free */
/* Software Foundation; either version 2, or (at your option) any later */
/* version. GNAT is distributed in the hope that it will be useful, but */
/* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANT- */
/* ABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public */
/* License for more details. You should have received a copy of the GNU */
/* General Public License along with GNAT; see file COPYING. If not, write */
/* to the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/* */
/****************************************************************************/
/* A GNAT tree node to transform to a GCC tree. This is only used when the
node would generate code, rather then just a tree, and we are in the global
context.
The only field used if TREE_COMPLEXITY, which contains the GNAT node
number. */
DEFTREECODE (TRANSFORM_EXPR, "transform_expr", "e", 0)
/* Perform an unchecked conversion between the input and the output. */
DEFTREECODE (UNCHECKED_CONVERT_EXPR, "unchecked_convert_expr", "1", 1)
/* A type that is an unconstrained array itself. This note is never passed
to GCC and the only field is TREE_TYPE, which is the type of the fat
pointer. */
DEFTREECODE (UNCONSTRAINED_ARRAY_TYPE, "unconstrained_array_type", "t", 0)
/* A reference to an unconstrained array. This node only exists as an
intermediate node during the translation of a GNAT tree to a GCC tree;
it is never passed to GCC. The only field used is operand 0, which
is the fat pointer object. */
DEFTREECODE (UNCONSTRAINED_ARRAY_REF, "unconstrained_array_ref", "r", 1)
/* An expression that returns an RTL suitable for its type. Operand 0
is an expression to be evaluated for side effects only. */
DEFTREECODE (NULL_EXPR, "null_expr", "e", 1)
/* An expression that emits a USE for its single operand. */
DEFTREECODE (USE_EXPR, "use_expr", "e", 1)