1# Copyright (C) 2008-2020 Free Software Foundation, Inc. 2 3# This program is free software; you can redistribute it and/or modify 4# it under the terms of the GNU General Public License as published by 5# the Free Software Foundation; either version 3 of the License, or 6# (at your option) any later version. 7# 8# This program is distributed in the hope that it will be useful, 9# but WITHOUT ANY WARRANTY; without even the implied warranty of 10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11# GNU General Public License for more details. 12# 13# You should have received a copy of the GNU General Public License 14# along with this program. If not, see <http://www.gnu.org/licenses/>. 15 16# This file is part of the GDB testsuite. It tests Python-based 17# pretty-printing for the CLI. 18 19load_lib gdb-python.exp 20 21standard_testfile 22 23# Start with a fresh gdb. 24gdb_exit 25gdb_start 26 27# Skip all tests if Python scripting is not enabled. 28if { [skip_python_tests] } { continue } 29 30proc run_lang_tests {exefile lang} { 31 global srcdir subdir srcfile testfile hex 32 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${exefile}" executable "debug $lang"] != "" } { 33 untested "failed to compile in $lang mode" 34 return -1 35 } 36 37 set nl "\[\r\n\]+" 38 39 # Start with a fresh gdb. 40 gdb_exit 41 gdb_start 42 gdb_reinitialize_dir $srcdir/$subdir 43 gdb_load ${exefile} 44 45 if ![runto_main ] then { 46 perror "couldn't run to breakpoint" 47 return 48 } 49 50 gdb_test_no_output "set print pretty on" 51 52 gdb_breakpoint [gdb_get_line_number "break to inspect" ${testfile}.c] 53 gdb_continue_to_breakpoint "break to inspect" ".*break to inspect.*" 54 55 56 set remote_python_file [gdb_remote_download host \ 57 ${srcdir}/${subdir}/${testfile}.py] 58 59 gdb_test_no_output "source ${remote_python_file}" "load python file" 60 61 gdb_test "print ss" " = a=< a=<1> b=<$hex>> b=< a=<2> b=<$hex>>" 62 gdb_test "print ssa\[1\]" " = a=< a=<5> b=<$hex>> b=< a=<6> b=<$hex>>" 63 gdb_test "print ssa" " = {a=< a=<3> b=<$hex>> b=< a=<4> b=<$hex>>, a=< a=<5> b=<$hex>> b=< a=<6> b=<$hex>>}" 64 65 gdb_test "print arraystruct" " = {$nl *y = 7, *$nl *x = { a=<23> b=<$hex>, a=<24> b=<$hex>} *$nl *}" 66 67 # Test that when a pretty-printer returns a gdb.Value in its to_string, we 68 # call the pretty-printer of that value too. 69 gdb_test "print tsrvw" " = Inner to_string 1989" 70 71 if {$lang == "c++"} { 72 gdb_test "print cps" "= a=<8> b=<$hex>" 73 gdb_test "print cpss" " = {$nl *zss = 9, *$nl *s = a=<10> b=<$hex>$nl}" 74 gdb_test "print cpssa\[0\]" " = {$nl *zss = 11, *$nl *s = a=<12> b=<$hex>$nl}" 75 gdb_test "print cpssa\[1\]" " = {$nl *zss = 13, *$nl *s = a=<14> b=<$hex>$nl}" 76 gdb_test "print cpssa" " = {{$nl *zss = 11, *$nl *s = a=<12> b=<$hex>$nl *}, {$nl *zss = 13, *$nl *s = a=<14> b=<$hex>$nl *}}" 77 gdb_test "print sss" "= a=<15> b=< a=<8> b=<$hex>>" 78 gdb_test "print ref" "= a=<15> b=< a=<8> b=<$hex>>" 79 gdb_test "print derived" \ 80 " = \{.*<Vbase1> = pp class name: Vbase1.*<Vbase2> = \{.*<VirtualTest> = pp value variable is: 1,.*members of Vbase2:.*_vptr.Vbase2 = $hex.*<Vbase3> = \{.*members of Vbase3.*members of Derived:.*value = 2.*" 81 gdb_test "print ns " "\"embedded\\\\000null\\\\000string\"" \ 82 "print ns with default element limit" 83 gdb_test_no_output "set print elements 3" 84 gdb_test "print ns" "emb\.\.\.." \ 85 "print ns with element limit of 3" 86 gdb_test_no_output "set print elements 10" 87 gdb_test "print ns" "embedded\\\\000n\.\.\.." \ 88 "print ns with element limit of 10" 89 gdb_test_no_output "set print elements 200" 90 } 91 92 if { ![is_address_zero_readable] } { 93 gdb_test "print ns2" \ 94 ".error reading variable: Cannot access memory at address 0x0." 95 } 96 97 gdb_test "print x" " = \"this is x\"" 98 gdb_test "print cstring" " = \"const string\"" 99 100 gdb_test "print estring" " = \"embedded x\\\\201\\\\202\\\\203\\\\204\"" 101 if { ![is_address_zero_readable] } { 102 gdb_test "print estring3" \ 103 " = <error reading variable: Cannot create a lazy string with address 0x0, and a non-zero length.>" 104 } 105 106 gdb_test_no_output "python pp_ls_encoding = 'UTF-8'" 107 gdb_test "print estring2" "\"embedded \", <incomplete sequence \\\\302>" 108 109 gdb_test_no_output "set python print-stack full" 110 gdb_test "print hint_error" "Exception: hint failed\r\nhint_error_val" 111 112 gdb_test "print c" " = container \"container\" with 2 elements = {$nl *.0. = 23,$nl *.1. = 72$nl}" \ 113 "print c, pretty printing on, default display hint" 114 115 gdb_test_no_output "set variable c.is_map_p=1" 116 gdb_test "print c" " = container \"container\" with 2 elements = \{$nl \\\[23\\\] = 72$nl\}" \ 117 "print c, pretty printing on, display hint is now map" 118 119 gdb_test "print nstype" " = {$nl *.0. = 7,$nl *.1. = 42$nl}" 120 121 gdb_test_no_output "set print pretty off" 122 gdb_test "print nstype" " = {.0. = 7, .1. = 42}" \ 123 "print nstype on one line" 124 125 # Now we have pretty printing turned off, try printing 'c' again. 126 gdb_test "print c" " = container \"container\" with 2 elements = \{\\\[23\\\] = 72\}" \ 127 "print c, pretty printing off, display hint is now map" 128 129 gdb_test_no_output "set variable c.is_map_p=0" 130 gdb_test "print c" " = container \"container\" with 2 elements = \{\\\[0\\\] = 23, \\\[1\\\] = 72\}" \ 131 "print c, pretty printing off, default display hint" 132 133 # Check that GDB doesn't lose typedefs when looking for a printer. 134 gdb_test "print an_int" " = -1" 135 gdb_test "print (int) an_int" " = -1" 136 gdb_test "print (int_type) an_int" " = type=int_type, val=-1" 137 138 gdb_test "print an_int_type" " = type=int_type, val=1" 139 gdb_test "print (int_type) an_int_type" " = type=int_type, val=1" 140 141 gdb_test "print an_int_type2" " = type=int_type2, val=2" 142 gdb_test "print (int) an_int_type2" " = 2" 143 gdb_test "print (int_type) an_int_type2" " = type=int_type, val=2" 144 gdb_test "print (int_type2) an_int_type2" " = type=int_type2, val=2" 145 146 # PR python/16047: it is ok for a pretty printer not to have a 147 # to_string method. 148 gdb_test "print (int_type3) an_int_type2" " = {s = 27}" 149 150 gdb_continue_to_end 151} 152 153with_test_prefix c { 154 if { [run_lang_tests "${binfile}" "c"] == -1 } { 155 return 156 } 157} 158with_test_prefix c++ { 159 if { [run_lang_tests "${binfile}-cxx" "c++"] == -1 } { 160 return 161 } 162} 163 164# Run various other tests. 165 166# Start with a fresh gdb. 167gdb_exit 168gdb_start 169gdb_reinitialize_dir $srcdir/$subdir 170gdb_load ${binfile} 171 172if ![runto_main ] then { 173 perror "couldn't run to breakpoint" 174 return 175} 176 177set remote_python_file [gdb_remote_download host \ 178 ${srcdir}/${subdir}/${testfile}.py] 179 180gdb_test_no_output "source ${remote_python_file}" "load python file" 181 182gdb_breakpoint [gdb_get_line_number "eval-break"] 183gdb_continue_to_breakpoint "eval-break" ".* eval-break .*" 184 185gdb_test "info locals" "eval9 = eval=<123456789>" 186 187gdb_breakpoint [gdb_get_line_number "break to inspect" ${testfile}.c ] 188gdb_continue_to_breakpoint "break to inspect" ".*break to inspect.*" 189 190gdb_test "print ss" " = a=< a=<1> b=<$hex>> b=< a=<2> b=<$hex>>" \ 191 "print ss enabled #1" 192 193gdb_test_no_output "python disable_lookup_function ()" 194 195gdb_test "print ss" " = {a = {a = 1, b = $hex}, b = {a = 2, b = $hex}}" \ 196 "print ss disabled" 197 198gdb_test_no_output "python enable_lookup_function ()" 199 200gdb_test "print ss" " = a=< a=<1> b=<$hex>> b=< a=<2> b=<$hex>>" \ 201 "print ss enabled #2" 202 203gdb_test "print -raw-values -- ss" " = {a = {a = 1, b = $hex}, b = {a = 2, b = $hex}}" \ 204 "print -raw-values -- ss" 205 206gdb_test "print -raw-values on -- ss" " = {a = {a = 1, b = $hex}, b = {a = 2, b = $hex}}" \ 207 "print -raw-values on -- ss" 208 209gdb_test "with print raw-values -- print ss" " = {a = {a = 1, b = $hex}, b = {a = 2, b = $hex}}" \ 210 "with print raw-values -- print ss" 211 212# Test interaction between /r format and raw-values option: 213# When /r is not present, raw-values option tells to bypass (or not) the pretty printers. 214# (these cases are tested above). 215# When /r is present, it must override the option raw-values off. 216gdb_test "print /r ss" " = {a = {a = 1, b = $hex}, b = {a = 2, b = $hex}}" 217 218gdb_test "with print raw-values off -- print /r ss" " = {a = {a = 1, b = $hex}, b = {a = 2, b = $hex}}" 219 220gdb_test "print -raw-values off -- /r ss" " = {a = {a = 1, b = $hex}, b = {a = 2, b = $hex}}" 221 222 223