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3666a04883
This commits the result of running gdb/copyright.py as per our Start
of New Year procedure...
gdb/ChangeLog
Update copyright year range in copyright header of all GDB files.
77 lines
3.4 KiB
Plaintext
77 lines
3.4 KiB
Plaintext
# Copyright (C) 2015-2021 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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