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f5e6296e21
While casting works as expected with expression debugging turned off, this seems to be an indication that the D language parser function is doing something wrong in the building of the expression. Without changing the grammar, using UNOP_CAST_TYPE is the right thing to do here, as the TypeExp handler has already wrapped the type around a pair of OP_TYPE opcodes. gdb/ChangeLog: * d-exp.y (CastExpression): Emit UNOP_CAST_TYPE. gdb/testsuite/ChangeLog: * gdb.dlang/debug-expr.exp: New file.
41 lines
1.2 KiB
Plaintext
41 lines
1.2 KiB
Plaintext
# Copyright 2017 Free Software Foundation, Inc.
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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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# Test "set debug expr 1" on d expressions.
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if { [skip_d_tests] } { return -1 }
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gdb_start
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gdb_test_no_output "set language d"
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gdb_test_no_output "set debug expression 1"
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# Test whether the expression debug machinery accepts the expression.
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proc test_debug_expr { cmd output } {
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global gdb_prompt
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gdb_test_multiple $cmd "" {
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-re ".*Invalid expression.*\r\n$gdb_prompt $" {
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fail $cmd
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}
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-re ".*\[\r\n\]$output\r\n$gdb_prompt $" {
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pass $cmd
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}
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}
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}
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# This caused gdb to segfault.
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test_debug_expr "print *(int*)(0)" "Cannot access memory at address 0x0"
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