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" \
  51           "Error in sourced command file:.*" \
  52           "source source2.py when python disabled"
  53       return -1
  54     }
  55     -re "$gdb_prompt $" {}
  56 }
  57
  58 gdb_py_test_multiple "multi-line python command" \
  59   "python" "" \
  60   "print 23" "" \
  61   "end" "23"
  62
  63 gdb_py_test_multiple "show python command" \
  64   "define zzq" "Type commands for definition of .* just \"end\"\\.*" \
  65   "python" "" \
  66   "print 23" "" \
  67   "end" "" \
  68   "end" "" \
  69   "show user zzq" "User command \"zzq\":.*  python.*print 23.*  end"
  70
  71 gdb_py_test_multiple "indented multi-line python command" \
  72   "python" "" \
  73   "def foo ():" "" \
  74   "  print 'hello, world!'" "" \
  75   "foo ()" "" \
  76   "end" "hello, world!"
  77
  78 gdb_test "source $srcdir/$subdir/source2.py" "yes" "source source2.py"
  79
  80 gdb_test "python print gdb.current_objfile()" "None"
  81 gdb_test "python print gdb.objfiles()" "\\\[\\\]"
  82
  83 # Test http://bugs.python.org/issue4434 workaround in configure.ac
  84 gdb_test "python import itertools; print 'IMPOR'+'TED'" "IMPORTED" "pythonX.Y/lib-dynload/*.so"
  85
  86 gdb_test_no_output \
  87     "python x = gdb.execute('printf \"%d\", 23', to_string = True)"
  88 gdb_test "python print x" "23"
  89
  90 # Test post_event.
  91 gdb_py_test_multiple "post event insertion" \
  92   "python" "" \
  93   "someVal = 0" "" \
  94   "class Foo(object):" "" \
  95   "  def __call__(self):" "" \
  96   "    global someVal" "" \
  97   "    someVal += 1" "" \
  98   "gdb.post_event(Foo())" "" \
  99   "end" ""
 100
 101 gdb_test "python print someVal" "1" "test post event execution"
 102 gdb_test "python gdb.post_event(str(1))" "RuntimeError: Posted event is not callable.*" "Test non callable class"
 103
 104 # Test (no) pagination of the executed command.
 105 gdb_test "show height" {Number of lines gdb thinks are in a page is unlimited\.}
 106 set lines 10
 107 gdb_test_no_output "set height $lines"
 108
 109 set test "verify pagination beforehand"
 110 gdb_test_multiple "python print \"\\n\" * $lines" $test {
 111     -re "---Type <return>" {
 112         exp_continue
 113     }
 114     -re " to continue, or q <return>" {
 115         exp_continue
 116     }
 117     -re " to quit---$" {
 118         pass $test
 119     }
 120 }
 121 gdb_test "q" "Quit" "verify pagination beforehand: q"
 122
 123 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"
 124
 125 set test "verify pagination afterwards"
 126 gdb_test_multiple "python print \"\\n\" * $lines" $test {
 127     -re "---Type <return>" {
 128         exp_continue
 129     }
 130     -re " to continue, or q <return>" {
 131         exp_continue
 132     }
 133     -re " to quit---$" {
 134         pass $test
 135     }
 136 }
 137 gdb_test "q" "Quit" "verify pagination afterwards: q"
 138
 139 gdb_test_no_output "set height 0"
 140
 141 gdb_test_no_output "python a = gdb.execute('help', to_string=True)" "collect help from uiout"
 142
 143 gdb_test "python print a" ".*aliases -- Aliases of other commands.*" "verify help to uiout"
 144
 145 # Test PR 12212, using InfThread.selected_thread() when no inferior is
 146 # loaded.
 147 gdb_py_test_silent_cmd "python nothread = gdb.selected_thread()" "Attempt to aquire thread with no inferior" 1
 148 gdb_test "python print nothread == None" "True" "Ensure that no threads are returned"
 149
 150 # Start with a fresh gdb.
 151 clean_restart ${testfile}
 152
 153 # The following tests require execution.
 154
 155 if ![runto_main] then {
 156     fail "Can't run to main"
 157     return 0
 158 }
 159
 160 runto [gdb_get_line_number "Break to end."]
 161
 162 # Test gdb.decode_line.
 163 gdb_test "python gdb.decode_line(\"main.c:43\")" \
 164     "gdb.error: No source file named main.c.*" "test decode_line no source named main"
 165
 166 gdb_py_test_silent_cmd "python symtab = gdb.decode_line()" "test decode_line current location" 1
 167 gdb_test "python print len(symtab)" "2" "Test decode_line current location"
 168 gdb_test "python print symtab\[0\]" "None" "Test decode_line expression parse"
 169 gdb_test "python print len(symtab\[1\])" "1" "Test decode_line current location"
 170 gdb_test "python print symtab\[1\]\[0\].symtab" ".*gdb.python/python.c.*" "Test decode_line current locationn filename"
 171 gdb_test "python print symtab\[1\]\[0\].line" "22" "Test decode_line current location line number"
 172
 173 gdb_py_test_silent_cmd "python symtab = gdb.decode_line(\"python.c:26 if foo\")" "test decode_line python.c:26" 1
 174 gdb_test "python print len(symtab)" "2" "Test decode_line python.c:26 length"
 175 gdb_test "python print symtab\[0\]" "if foo" "Test decode_line expression parse"
 176 gdb_test "python print len(symtab\[1\])" "1" "Test decode_line python.c:26 length"
 177 gdb_test "python print symtab\[1\]\[0\].symtab" ".*gdb.python/python.c.*" "Test decode_line python.c:26 filename"
 178 gdb_test "python print symtab\[1\]\[0\].line" "26" "Test decode_line python.c:26 line number"
 179
 180 gdb_test "python gdb.decode_line(\"randomfunc\")" \
 181     "gdb.error: Function \"randomfunc\" not defined.*" "test decode_line randomfunc"
 182 gdb_py_test_silent_cmd "python symtab = gdb.decode_line(\"func1\")" "test decode_line func1()" 1
 183 gdb_test "python print len(symtab)" "2" "Test decode_line func1 length"
 184 gdb_test "python print len(symtab\[1\])" "1" "Test decode_line func1 length"
 185 gdb_test "python print symtab\[1\]\[0\].symtab" ".*gdb.python/python-1.c.*" "Test decode_line func1 filename"
 186 gdb_test "python print symtab\[1\]\[0\].line" "19" "Test decode_line func1 line number"
 187
 188 # gdb.write
 189 gdb_test "python print sys.stderr" ".*__main__.GdbOutputErrorFile instance at.*" "Test stderr location"
 190 gdb_test "python print sys.stdout" ".*__main__.GdbOutputFile instance at.*" "Test stdout location"
 191 gdb_test "python gdb.write(\"Foo\\n\")" "Foo" "Test default write"
 192 gdb_test "python gdb.write(\"Error stream\\n\", stream=gdb.STDERR)" "Error stream" "Test stderr write"
 193 gdb_test "python gdb.write(\"Normal stream\\n\", stream=gdb.STDOUT)" "Normal stream" "Test stdout write"
 194 gdb_test "python gdb.write(\"Log stream\\n\", stream=gdb.STDLOG)" "Log stream" "Test stdlog write"
 195
 196 # Deprecate maint set/show python print-stack
 197 gdb_test "maint show python print-stack" \
 198     "Warning: command 'maintenance show python print-stack' is deprecated.*Use 'show python print-stack'.*" \
 199     "Test deprecation maint show warning."
 200 gdb_test "maint set python print-stack off" \
 201     "Warning: command 'maintenance set python print-stack' is deprecated.*Use 'set python print-stack'.*" \
 202     "Test deprecation maint set warning."
 203 gdb_test "show python print-stack" \
 204     "Whether Python stack will be printed on error is off.*" \
 205     "Test print-backtrace show setting. Default off."
 206 gdb_py_test_silent_cmd "set python print-stack on" \
 207     "Test print-backtrace set setting" 1
 208 gdb_test "show python print-stack" \
 209     "Whether Python stack will be printed on error is on.*" \
 210
 211 # Test prompt substituion
 212
 213 gdb_py_test_multiple "prompt substitution" \
 214   "python" "" \
 215   "someCounter = 0" "" \
 216   "def prompt(current):" "" \
 217   "   global someCounter" "" \
 218   "   if (current == \"testfake \"):" "" \
 219   "      return None" "" \
 220   "   someCounter = someCounter + 1" "" \
 221   "   return \"py prompt \" + str (someCounter) + \" \"" "" \
 222   "end" ""
 223
 224 gdb_py_test_multiple "prompt substitution readline" \
 225   "python" "" \
 226   "pCounter = 0" "" \
 227   "def program_prompt(current):" "" \
 228   "   global pCounter" "" \
 229   "   if (current == \">\"):" "" \
 230   "      pCounter = pCounter + 1" "" \
 231   "      return \"python line \" + str (pCounter) + \": \"" "" \
 232   "   return None" "" \
 233   "end" ""
 234
 235 set newprompt "py prompt 1"
 236 set newprompt2 "py prompt 2"
 237 set testfake "testfake"
 238
 239 gdb_test_multiple "python gdb.prompt_hook = prompt" "set the hook" {
 240     -re "\[\r\n\]$newprompt $" {
 241         pass "set hook"
 242     }
 243 }
 244
 245 gdb_test_multiple "set prompt testfake " "set testfake prompt in GDB" {
 246     -re "\[\r\n\]$testfake $" {
 247         pass "set prompt testfake"
 248     }
 249 }
 250
 251 gdb_test_multiple "show prompt" "show testfake prompt" {
 252     -re "Gdb's prompt is \"$testfake \"..* $" {
 253         pass "show prompt shows guarded prompt"
 254     }
 255 }
 256
 257 gdb_test_multiple "set prompt blah " "set blah in GDB" {
 258     -re "\[\r\n\]$newprompt2 $" {
 259         pass "set prompt blah overriden"
 260     }
 261 }
 262
 263 gdb_test_multiple "python gdb.prompt_hook = None" "Delete hook" {
 264     -re "\[\r\n\]$newprompt2 $" {
 265         pass "Delete old hook"
 266     }
 267 }
 268
 269 gdb_test_multiple "set prompt $gdb_prompt " "set default prompt" {
 270     -re "\[\r\n\]$gdb_prompt $" {
 271         pass "set default prompt"
 272     }
 273 }
 274
 275 gdb_test_multiple "python gdb.prompt_hook = program_prompt" "set the hook" {
 276     -re "\[\r\n\]$gdb_prompt $" {
 277         pass "set programming hook"
 278     }
 279 }
 280
 281 gdb_test_multiple "python" "test we ignore substituion for seconday prompts" {
 282     -re "\r\n>$" {
 283         pass "readline secondary are not substituted"
 284     }
 285 }
 286
 287 gdb_test_multiple "end" "end programming" {
 288     -re "\[\r\n\]$gdb_prompt $" {
 289         pass "end programming"
 290     }
 291 }
 292
 293 gdb_py_test_multiple "prompt substitution readline" \
 294   "python" "" \
 295   "import gdb.command.prompt" "" \
 296   "end" ""
 297
 298 gdb_test_multiple "set extended-prompt one two three " \
 299     "set basic extended prompt" {
 300     -re "\[\r\n\]one two three $" {
 301         pass "set basic extended prompt"
 302     }
 303 }
 304
 305 gdb_test_multiple "set extended-prompt \\w " \
 306     "set extended prompt working directory" {
 307     -re "\[\r\n\].*gdb.*testsuite.* $" {
 308         pass "set extended prompt working directory"
 309     }
 310 }
 311
 312 gdb_test_multiple "set extended-prompt some param \\p{python print-stack} " \
 313     "set extended prompt parameter" {
 314     -re "\[\r\n\]some param True $" {
 315         pass "set extended prompt parameter"
 316     }
 317 }