forked from Imagelibrary/binutils-gdb
b3a27d2f97
Ada 2022 adds the "target name symbol", which can be used on the right hand side of an assignment to refer to the left hand side. This allows for convenient updates. This patch implements this for gdb's Ada expression parser. Reviewed-By: Eli Zaretskii <eliz@gnu.org>
47 lines
1.4 KiB
Plaintext
47 lines
1.4 KiB
Plaintext
# Copyright 2008-2023 Free Software Foundation, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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load_lib "ada.exp"
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require allow_ada_tests
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clean_restart
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# Force the language to Ada, as this will not happen automatically
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# in this case (no test program).
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gdb_test_no_output "set lang ada" \
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"changing the language to ada"
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gdb_test "print \$xxx := 1" \
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"= 1" \
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"set convenience variable \$xxx to 1"
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gdb_test "print \$xxx := @ + 23 + @" \
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" = 25" \
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"update convenience using '@'"
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gdb_test "print \$yyy := 1" " = 1" "set yyy"
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gdb_test "print \$xxx := @ + (\$yyy := 1 + @)" \
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" = 27" \
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"nested assignment"
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gdb_test "print \$yyy" " = 2" "value of yyy after nested assignment"
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gdb_test "print 23 + @" \
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"may only appear in an assignment context" \
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"invalid use of '@' causes error"
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