gdb/testsuite/gdb.python/python.exp

   1 # Copyright (C) 2008, 2009, 2010, 2011 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 the mechanism
  17 # exposing values to Python.
  18
  19 if $tracelevel then {
  20     strace $tracelevel
  21 }
  22
  23 load_lib gdb-python.exp
  24
  25 set testfile "python"
  26 set srcfile  ${testfile}.c
  27 set srcfile1  ${testfile}-1.c
  28 set binfile  ${objdir}/${subdir}/${testfile}
  29
  30 if { [gdb_compile "${srcdir}/${subdir}/${srcfile} ${srcdir}/${subdir}/${srcfile1}" \
  31           ${binfile} executable {debug}] != "" } {
  32     untested "Could not compile $binfile."
  33     return -1
  34 }
  35
  36 # Start with a fresh gdb.
  37 gdb_exit
  38 gdb_start
  39 gdb_reinitialize_dir $srcdir/$subdir
  40
  41 # Skip all tests if Python scripting is not enabled.
  42 if { [skip_python_tests] } { continue }
  43
  44 gdb_test_multiple "python print 23" "verify python support" {
  45     -re "not supported.*$gdb_prompt $"  {
  46       unsupported "python support is disabled"
  47
  48       # If Python is not supported, verify that sourcing a python script
  49       # causes an error.
  50       gdb_test "source $srcdir/$subdir/source2.py" "Error in sourced command file:.*"
  51       return -1
  52     }
  53     -re "$gdb_prompt $" {}
  54 }
  55
  56 gdb_py_test_multiple "multi-line python command" \
  57   "python" "" \
  58   "print 23" "" \
  59   "end" "23"
  60
  61 gdb_py_test_multiple "show python command" \
  62   "define zzq" "Type commands for definition of .* just \"end\"\\.*" \
  63   "python" "" \
  64   "print 23" "" \
  65   "end" "" \
  66   "end" "" \
  67   "show user zzq" "User command \"zzq\":.*  python.*print 23.*  end"
  68
  69 gdb_py_test_multiple "indented multi-line python command" \
  70   "python" "" \
  71   "def foo ():" "" \
  72   "  print 'hello, world!'" "" \
  73   "foo ()" "" \
  74   "end" "hello, world!"
  75
  76 gdb_test "source $srcdir/$subdir/source2.py" "yes"
  77
  78 gdb_test "python print gdb.current_objfile()" "None"
  79 gdb_test "python print gdb.objfiles()" "\\\[\\\]"
  80
  81 # Test http://bugs.python.org/issue4434 workaround in configure.ac
  82 gdb_test "python import itertools; print 'IMPOR'+'TED'" "IMPORTED" "pythonX.Y/lib-dynload/*.so"
  83
  84 gdb_test_no_output \
  85     "python x = gdb.execute('printf \"%d\", 23', to_string = True)"
  86 gdb_test "python print x" "23"
  87
  88 # Test post_event.
  89 gdb_py_test_multiple "post event insertion" \
  90   "python" "" \
  91   "someVal = 0" "" \
  92   "class Foo(object):" "" \
  93   "  def __call__(self):" "" \
  94   "    global someVal" "" \
  95   "    someVal += 1" "" \
  96   "gdb.post_event(Foo())" "" \
  97   "end" ""
  98
  99 gdb_test "python print someVal" "1" "test post event execution"
 100 gdb_test "python gdb.post_event(str(1))" "RuntimeError: Posted event is not callable.*" "Test non callable class"
 101
 102 # Test (no) pagination of the executed command.
 103 gdb_test "show height" {Number of lines gdb thinks are in a page is unlimited\.}
 104 set lines 10
 105 gdb_test_no_output "set height $lines"
 106
 107 set test "verify pagination beforehand"
 108 gdb_test_multiple "python print \"\\n\" * $lines" $test {
 109     -re "---Type <return>" {
 110         exp_continue
 111     }
 112     -re " to continue, or q <return>" {
 113         exp_continue
 114     }
 115     -re " to quit---$" {
 116         pass $test
 117     }
 118 }
 119 gdb_test "q" "Quit" "verify pagination beforehand: q"
 120
 121 gdb_test "python if gdb.execute('python print \"\\\\n\" * $lines', to_string=True) == \"\\n\" * [expr $lines + 1]: print \"yes\"" "yes" "gdb.execute does not page"
 122
 123 set test "verify pagination afterwards"
 124 gdb_test_multiple "python print \"\\n\" * $lines" $test {
 125     -re "---Type <return>" {
 126         exp_continue
 127     }
 128     -re " to continue, or q <return>" {
 129         exp_continue
 130     }
 131     -re " to quit---$" {
 132         pass $test
 133     }
 134 }
 135 gdb_test "q" "Quit" "verify pagination afterwards: q"
 136
 137 gdb_test_no_output "set height 0"
 138
 139 gdb_test_no_output "python a = gdb.execute('help', to_string=True)" "collect help from uiout"
 140
 141 gdb_test "python print a" ".*aliases -- Aliases of other commands.*" "verify help to uiout"
 142
 143 # Test PR 12212, using InfThread.selected_thread() when no inferior is
 144 # loaded.
 145 gdb_py_test_silent_cmd "python nothread = gdb.selected_thread()" "Attempt to aquire thread with no inferior" 1
 146 gdb_test "python print nothread == None" "True" "Ensure that no threads are returned"
 147
 148 # Start with a fresh gdb.
 149 clean_restart ${testfile}
 150
 151 # The following tests require execution.
 152
 153 if ![runto_main] then {
 154     fail "Can't run to main"
 155     return 0
 156 }
 157
 158 runto [gdb_get_line_number "Break to end."]
 159
 160 # Test gdb.decode_line.
 161 gdb_test "python gdb.decode_line(\"main.c:43\")" \
 162     "gdb.error: No source file named main.c.*" "test decode_line no source named main"
 163
 164 gdb_py_test_silent_cmd "python symtab = gdb.decode_line()" "test decode_line current location" 1
 165 gdb_test "python print len(symtab)" "2" "Test decode_line current location"
 166 gdb_test "python print symtab\[0\]" "None" "Test decode_line expression parse"
 167 gdb_test "python print len(symtab\[1\])" "1" "Test decode_line current location"
 168 gdb_test "python print symtab\[1\]\[0\].symtab" ".*gdb.python/python.c.*" "Test decode_line current locationn filename"
 169 gdb_test "python print symtab\[1\]\[0\].line" "22" "Test decode_line current location line number"
 170
 171 gdb_py_test_silent_cmd "python symtab = gdb.decode_line(\"python.c:26 if foo\")" "test decode_line python.c:26" 1
 172 gdb_test "python print len(symtab)" "2" "Test decode_line python.c:26 length"
 173 gdb_test "python print symtab\[0\]" "if foo" "Test decode_line expression parse"
 174 gdb_test "python print len(symtab\[1\])" "1" "Test decode_line python.c:26 length"
 175 gdb_test "python print symtab\[1\]\[0\].symtab" ".*gdb.python/python.c.*" "Test decode_line python.c:26 filename"
 176 gdb_test "python print symtab\[1\]\[0\].line" "26" "Test decode_line python.c:26 line number"
 177
 178 gdb_test "python gdb.decode_line(\"randomfunc\")" \
 179     "gdb.error: Function \"randomfunc\" not defined.*" "test decode_line randomfunc"
 180 gdb_py_test_silent_cmd "python symtab = gdb.decode_line(\"func1\")" "test decode_line func1()" 1
 181 gdb_test "python print len(symtab)" "2" "Test decode_line func1 length"
 182 gdb_test "python print len(symtab\[1\])" "1" "Test decode_line func1 length"
 183 gdb_test "python print symtab\[1\]\[0\].symtab" ".*gdb.python/python-1.c.*" "Test decode_line func1 filename"
 184 gdb_test "python print symtab\[1\]\[0\].line" "19" "Test decode_line func1 line number"
 185
 186 # gdb.write
 187 gdb_test "python print sys.stderr" ".*__main__.GdbOutputErrorFile instance at.*" "Test stderr location"
 188 gdb_test "python print sys.stdout" ".*__main__.GdbOutputFile instance at.*" "Test stdout location"
 189 gdb_test "python gdb.write(\"Foo\\n\")" "Foo" "Test default write"
 190 gdb_test "python gdb.write(\"Error stream\\n\", stream=gdb.STDERR)" "Error stream" "Test stderr write"
 191 gdb_test "python gdb.write(\"Normal stream\\n\", stream=gdb.STDOUT)" "Normal stream" "Test stdout write"
 192 gdb_test "python gdb.write(\"Log stream\\n\", stream=gdb.STDLOG)" "Log stream" "Test stdlog write"
 193
 194 # Deprecate maint set/show python print-stack
 195 gdb_test "maint show python print-stack" \
 196     "Warning: command 'maintenance show python print-stack' is deprecated.*Use 'show python print-stack'.*" \
 197     "Test deprecation maint show warning."
 198 gdb_test "maint set python print-stack off" \
 199     "Warning: command 'maintenance set python print-stack' is deprecated.*Use 'set python print-stack'.*" \
 200     "Test deprecation maint set warning."
 201 gdb_test "show python print-stack" \
 202     "Whether Python stack will be printed on error is off.*" \
 203     "Test print-backtrace show setting. Default off."
 204 gdb_py_test_silent_cmd "set python print-stack on" \
 205     "Test print-backtrace set setting" 1
 206 gdb_test "show python print-stack" \
 207     "Whether Python stack will be printed on error is on.*" \
 208
 209 # Test prompt substituion
 210
 211 gdb_py_test_multiple "prompt substitution" \
 212   "python" "" \
 213   "someCounter = 0" "" \
 214   "def prompt(current):" "" \
 215   "   global someCounter" "" \
 216   "   if (current == \"testfake \"):" "" \
 217   "      return None" "" \
 218   "   someCounter = someCounter + 1" "" \
 219   "   return \"py prompt \" + str (someCounter) + \" \"" "" \
 220   "end" ""
 221
 222 gdb_py_test_multiple "prompt substitution readline" \
 223   "python" "" \
 224   "pCounter = 0" "" \
 225   "def program_prompt(current):" "" \
 226   "   global pCounter" "" \
 227   "   if (current == \">\"):" "" \
 228   "      pCounter = pCounter + 1" "" \
 229   "      return \"python line \" + str (pCounter) + \": \"" "" \
 230   "   return None" "" \
 231   "end" ""
 232
 233 set newprompt "py prompt 1"
 234 set newprompt2 "py prompt 2"
 235 set testfake "testfake"
 236
 237 gdb_test_multiple "python gdb.prompt_hook = prompt" "set the hook" {
 238     -re "\[\r\n\]$newprompt $" {
 239         pass "set hook"
 240     }
 241 }
 242
 243 gdb_test_multiple "set prompt testfake " "set testfake prompt in GDB" {
 244     -re "\[\r\n\]$testfake $" {
 245         pass "set prompt testfake"
 246     }
 247 }
 248
 249 gdb_test_multiple "show prompt" "show testfake prompt" {
 250     -re "Gdb's prompt is \"$testfake \"..* $" {
 251         pass "show prompt shows guarded prompt"
 252     }
 253 }
 254
 255 gdb_test_multiple "set prompt blah " "set blah in GDB" {
 256     -re "\[\r\n\]$newprompt2 $" {
 257         pass "set prompt blah overriden"
 258     }
 259 }
 260
 261 gdb_test_multiple "python gdb.prompt_hook = None" "Delete hook" {
 262     -re "\[\r\n\]$newprompt2 $" {
 263         pass "Delete old hook"
 264     }
 265 }
 266
 267 gdb_test_multiple "set prompt $gdb_prompt " "set default prompt" {
 268     -re "\[\r\n\]$gdb_prompt $" {
 269         pass "set default prompt"
 270     }
 271 }
 272
 273 gdb_test_multiple "python gdb.prompt_hook = program_prompt" "set the hook" {
 274     -re "\[\r\n\]$gdb_prompt $" {
 275         pass "set programming hook"
 276     }
 277 }
 278
 279 gdb_test_multiple "python" "test we ignore substituion for seconday prompts" {
 280     -re "\r\n>$" {
 281         pass "readline secondary are not substituted"
 282     }
 283 }
 284
 285 gdb_test_multiple "end" "end programming" {
 286     -re "\[\r\n\]$gdb_prompt $" {
 287         pass "end programming"
 288     }
 289 }
 290
 291 gdb_py_test_multiple "prompt substitution readline" \
 292   "python" "" \
 293   "import gdb.command.prompt" "" \
 294   "end" ""
 295
 296 gdb_test_multiple "set extended-prompt one two three " \
 297     "set basic extended prompt" {
 298     -re "\[\r\n\]one two three $" {
 299         pass "set basic extended prompt"
 300     }
 301 }
 302
 303 gdb_test_multiple "set extended-prompt \\w " \
 304     "set extended prompt working directory" {
 305     -re "\[\r\n\].*gdb.*testsuite.* $" {
 306         pass "set extended prompt working directory"
 307     }
 308 }
 309
 310 gdb_test_multiple "set extended-prompt some param \\p{python print-stack} " \
 311     "set extended prompt parameter" {
 312     -re "\[\r\n\]some param True $" {
 313         pass "set extended prompt parameter"
 314     }
 315 }