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+/* Ada language operator definitions for GDB, the GNU debugger.
+
+ Copyright (C) 1992, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
+ 2007, 2008, 2009 Free Software Foundation, Inc.
+
+ This file is part of GDB.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY 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 this program. If not, see <http://www.gnu.org/licenses/>. */
+
+ /* X IN A'RANGE(N). N is an immediate operand, surrounded by
+ BINOP_IN_BOUNDS before and after. A is an array, X an index
+ value. Evaluates to true iff X is within range of the Nth
+ dimension (1-based) of A. (A multi-dimensional array
+ type is represented as array of array of ...) */
+ BINOP_IN_BOUNDS = OP_EXTENDED0,
+
+ /* X IN L .. U. True iff L <= X <= U. */
+ TERNOP_IN_RANGE,
+
+ /* Ada attributes ('Foo). */
+ OP_ATR_FIRST,
+ OP_ATR_LAST,
+ OP_ATR_LENGTH,
+ OP_ATR_IMAGE,
+ OP_ATR_MAX,
+ OP_ATR_MIN,
+ OP_ATR_MODULUS,
+ OP_ATR_POS,
+ OP_ATR_SIZE,
+ OP_ATR_TAG,
+ OP_ATR_VAL,
+
+ /* Ada type qualification. It is encoded as for UNOP_CAST, above,
+ and denotes the TYPE'(EXPR) construct. */
+ UNOP_QUAL,
+
+ /* X IN TYPE. The `TYPE' argument is immediate, with
+ UNOP_IN_RANGE before and after it. True iff X is a member of
+ type TYPE (typically a subrange). */
+ UNOP_IN_RANGE,
+
+ /* An aggregate. A single immediate operand, N>0, gives
+ the number of component specifications that follow. The
+ immediate operand is followed by a second OP_AGGREGATE.
+ Next come N component specifications. A component
+ specification is either an OP_OTHERS (others=>...), an
+ OP_CHOICES (for named associations), or other expression (for
+ positional aggregates only). Aggregates currently
+ occur only as the right sides of assignments. */
+ OP_AGGREGATE,
+
+ /* An others clause. Followed by a single expression. */
+ OP_OTHERS,
+
+ /* An aggregate component association. A single immediate operand, N,
+ gives the number of choices that follow. This is followed by a second
+ OP_CHOICES operator. Next come N operands, each of which is an
+ expression, an OP_DISCRETE_RANGE, or an OP_NAME---the latter
+ for a simple name that must be a record component name and does
+ not correspond to a single existing symbol. After the N choice
+ indicators comes an expression giving the value.
+
+ In an aggregate such as (X => E1, ...), where X is a simple
+ name, X could syntactically be either a component_selector_name
+ or an expression used as a discrete_choice, depending on the
+ aggregate's type context. Since this is not known at parsing
+ time, we don't attempt to disambiguate X if it has multiple
+ definitions, but instead supply an OP_NAME. If X has a single
+ definition, we represent it with an OP_VAR_VALUE, even though
+ it may turn out to be within a record aggregate. Aggregate
+ evaluation can use either OP_NAMEs or OP_VAR_VALUEs to get a
+ record field name, and can evaluate OP_VAR_VALUE normally to
+ get its value as an expression. Unfortunately, we lose out in
+ cases where X has multiple meanings and is part of an array
+ aggregate. I hope these are not common enough to annoy users,
+ who can work around the problem in any case by putting
+ parentheses around X. */
+ OP_CHOICES,
+
+ /* A positional aggregate component association. The operator is
+ followed by a single integer indicating the position in the
+ aggregate (0-based), followed by a second OP_POSITIONAL. Next
+ follows a single expression giving the component value. */
+ OP_POSITIONAL,
+
+ /* A range of values. Followed by two expressions giving the
+ upper and lower bounds of the range. */
+ OP_DISCRETE_RANGE,
+
+ /* End marker */
+ OP_ADA_LAST,