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4a94e36819
This commit brings all the changes made by running gdb/copyright.py as per GDB's Start of New Year Procedure. For the avoidance of doubt, all changes in this commits were performed by the script.
77 lines
3.4 KiB
Plaintext
77 lines
3.4 KiB
Plaintext
# Copyright (C) 2015-2022 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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# This file is part of the GDB testsuite. It tests lazy string support
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# not tested by py-prettyprinter.exp.
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load_lib gdb-python.exp
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standard_testfile
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if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug c++}]} {
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return -1
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}
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# Skip all tests if Python scripting is not enabled.
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if { [skip_python_tests] } { continue }
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if ![runto_main ] {
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return -1
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}
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gdb_breakpoint [gdb_get_line_number "break here"]
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gdb_continue_to_breakpoint "break here"
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gdb_py_test_silent_cmd "python null = gdb.parse_and_eval(\"null\")" "get null value" 1
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gdb_py_test_silent_cmd "python nullstr = null.lazy_string(length=0)" "create a null lazy string" 1
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gdb_test "python print (nullstr.length)" "0" "null lazy string length"
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gdb_test "python print (nullstr.address)" "0" "null lazy string address"
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gdb_test "python print (nullstr.type)" "const char \\*" "null lazy string type"
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gdb_test "python print(nullstr.value())" \
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"gdb.MemoryError: Cannot create a value from NULL.*Error while executing Python code." \
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"create value from NULL"
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gdb_test "python print(null.lazy_string(length=3).value())" \
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"gdb.MemoryError: Cannot create a lazy string with address 0x0, and a non-zero length.*Error while executing Python code." \
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"null lazy string with non-zero length"
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gdb_test "python print(null.lazy_string(length=-2))" \
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"ValueError: Invalid length.*Error while executing Python code." \
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"bad length"
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foreach var_spec { { "ptr" "pointer" "const char \\*" -1 } \
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{ "array" "array" "const char \\[6\\]" 6 } \
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{ "typedef_ptr" "typedef pointer" "pointer" -1 } } {
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set var [lindex $var_spec 0]
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set value [lindex $var_spec 1]
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set type [lindex $var_spec 2]
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set length [lindex $var_spec 3]
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with_test_prefix $var {
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gdb_test "print $var" "\"$value\""
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gdb_py_test_silent_cmd "python $var = gdb.history (0)" "get value from history" 1
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gdb_py_test_silent_cmd "python l$var = $var.lazy_string()" "acquire lazy string" 1
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gdb_test "python print ($var.type)" "$type" "string type name equality"
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gdb_test "python print (l$var.type)" "$type" "lazy-string type name equality"
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gdb_test "python print (l$var.length)" "$length" "lazy string length"
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gdb_test "python print (l$var.value())" "\"$value\"" "lazy string value"
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gdb_py_test_silent_cmd "python l2$var = $var.lazy_string(length=2)" "acquire lazy string, length 2" 1
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gdb_test "python print (l2$var.length)" "2" "lazy string length 2"
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gdb_test "python print (l2$var.value())" "\"[string range $value 0 1]\"" "lazy string length 2 value"
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# This test will have to wait until gdb can handle it. There's no way,
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# currently, to internally specify an array of length zero in the C
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# language support. PR 20786
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#gdb_test "python print ($var.lazy_string(length=0).value())" "\"\"" "empty lazy string value"
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}
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}
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