gdb/testsuite/gdb.linespec/ls-errs.exp

   1 # Copyright 2012-2021 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 # Tests for linespec errors with C and C++.
  17
  18 # The test proper.  LANG is either C or C++.
  19
  20 proc do_test {lang} {
  21     global testfile srcfile error_messages compiler_info
  22
  23     standard_testfile
  24     set exefile $testfile
  25     if [info exists compiler_info] {
  26         # Unsetting compiler_info allows us to switch compilers
  27         # used by prepare_for_testing.
  28         unset compiler_info
  29     }
  30     set options {debug}
  31
  32     if {$lang == "C++"} {
  33         if {[skip_cplus_tests]} {
  34             return 0
  35         }
  36         # Build ".c" source file with g++.
  37         lappend options "c++"
  38     }
  39
  40     if {[prepare_for_testing "failed to prepare" $exefile $srcfile $options]} {
  41         return -1
  42     }
  43
  44     # Turn off the pending breakpoint queries.
  45     gdb_test_no_output "set breakpoint pending off"
  46
  47     # Turn off completion limiting
  48     gdb_test_no_output "set max-completions unlimited"
  49
  50     if {![runto_main]} {
  51         fail "can't run to main"
  52         return 0
  53     }
  54
  55     # Run to a location in the file.
  56     set bp_location [gdb_get_line_number "set breakpoint here"]
  57
  58     gdb_test "break $srcfile:$bp_location" \
  59     "Breakpoint.*at.* file .*$srcfile, line $bp_location\\." \
  60     "breakpoint line number in file"
  61
  62     gdb_continue_to_breakpoint "$bp_location"
  63
  64     # Common error message format strings.
  65     array set error_messages {
  66         invalid_file "No source file named %s."
  67         invalid_function "Function \"%s\" not defined."
  68         invalid_var_or_func
  69             "Undefined convenience variable or function \"%s\" not defined."
  70         invalid_function_f "Function \"%s\" not defined in \"%s\"."
  71         invalid_var_or_func_f \
  72             "Undefined convenience variable or function \"%s\" not defined in \"%s\"."
  73         invalid_label "No label \"%s\" defined in function \"%s\"."
  74         invalid_parm "invalid linespec argument, \"%s\""
  75         invalid_offset "No line %d in the current file."
  76         invalid_offset_f "No line %d in file \"%s\"."
  77         malformed_line_offset "malformed line offset: \"%s\""
  78         source_incomplete \
  79             "Source filename requires function, label, or line offset."
  80         unexpected "malformed linespec error: unexpected %s"
  81         unexpected_opt "malformed linespec error: unexpected %s, \"%s\""
  82         unmatched_quote "unmatched quote"
  83         garbage "Garbage '%s' at end of command"
  84     }
  85
  86     # We intentionally do not use gdb_breakpoint for these tests.
  87
  88     # Break at 'linespec' and expect the message in ::error_messages
  89     # indexed by msg_id with the associated args.
  90     proc test_break {linespec msg_id args} {
  91         global error_messages
  92
  93         gdb_test "break $linespec" [string_to_regexp \
  94                                     [eval format \$error_messages($msg_id) \
  95                                      $args]] \
  96             "'break $linespec'"
  97     }
  98
  99     # Some commonly used whitespace tests around ':'.
 100     set spaces [list \
 101                     ":" \
 102                     ": " \
 103                     " :" \
 104                     " : " \
 105                     "  :  " \
 106                    ]
 107
 108     # A list of invalid offsets.
 109     set invalid_offsets [list -100 +500 1000]
 110
 111     # Try some simple, invalid linespecs involving spaces.
 112     foreach x $spaces {
 113         test_break $x unexpected "colon"
 114     }
 115
 116     # Test invalid filespecs starting with offset.  This is done
 117     # first so that default offsets are tested.
 118     foreach x $invalid_offsets {
 119         set offset $x
 120
 121         # Relative offsets are relative to the current line.  Adjust
 122         # expected offset from error message accordingly.
 123         if {[string index $x 0] == "+" || [string index $x 0] == "-"} {
 124             incr offset $bp_location
 125         }
 126         test_break $x invalid_offset $offset
 127         test_break "-line $x" invalid_offset $offset
 128     }
 129
 130     # Test offsets with trailing tokens w/ and w/o spaces.
 131     foreach x $spaces {
 132         test_break "3$x" unexpected "colon"
 133         test_break "+10$x" unexpected "colon"
 134         test_break "-10$x" unexpected "colon"
 135     }
 136
 137     foreach x {1 +1 +100 -10} {
 138         test_break "3 $x" unexpected_opt "number" $x
 139         test_break "-line 3 $x" garbage $x
 140         test_break "+10 $x" unexpected_opt "number" $x
 141         test_break "-line +10 $x" garbage $x
 142         test_break "-10 $x" unexpected_opt "number" $x
 143         test_break "-line -10 $x" garbage $x
 144     }
 145
 146     foreach x {3 +10 -10} {
 147         test_break "$x foo" unexpected_opt "string" "foo"
 148         test_break "-line $x foo" garbage "foo"
 149     }
 150
 151     # Test invalid linespecs starting with filename.
 152     # It's OK to use the ".c" extension for the C++ test
 153     # since the extension doesn't affect GDB's lookup.
 154     set invalid_files [list "this_file_doesn't_exist.c" \
 155                             "this file has spaces.c" \
 156                             "\"file::colons.c\"" \
 157                             "'file::colons.c'" \
 158                             "\"this \"file\" has quotes.c\"" \
 159                             "'this \"file\" has quotes.c'" \
 160                             "'this 'file' has quotes.c'" \
 161                             "\"this 'file' has quotes.c\"" \
 162                             "\"spaces: and :colons.c\"" \
 163                             "'more: :spaces: :and  colons::.c'" \
 164                             "C:/nonexist-with-windrive.c"]
 165
 166     foreach x $invalid_files {
 167         # Remove any quoting from FILENAME for the error message.
 168         test_break "$x:3" invalid_file [string trim $x \"']
 169     }
 170     foreach x [list "this_file_doesn't_exist.c" \
 171                     "file::colons.c" \
 172                     "'file::colons.c'"] {
 173         test_break "-source $x -line 3" invalid_file [string trim $x \"']
 174     }
 175
 176     # Test that option lexing stops at whitespace boundaries, except
 177     # when lexing function names, where we want to handle setting
 178     # breakpoints on e.g., "int template_function<int>()".
 179     test_break "-source this file has spaces.c -line 3" source_incomplete
 180     test_break "-function ret_type tmpl_function" \
 181         invalid_function "ret_type tmpl_function"
 182     test_break "-source $srcfile -function ret_type tmpl_function" \
 183                invalid_function_f "ret_type tmpl_function" $srcfile
 184
 185     test_break "-function main -label label whitespace" \
 186                invalid_label "label" "main"
 187
 188     # Test unmatched quotes.
 189     foreach x {"\"src-file.c'" "'src-file.c"} {
 190         test_break "$x:3" unmatched_quote
 191     }
 192
 193     test_break $srcfile invalid_function $srcfile
 194     foreach x {"foo" " foo" " foo "} {
 195         # Trim any leading/trailing whitespace for error messages.
 196         test_break "$srcfile:$x" invalid_function_f [string trim $x] $srcfile
 197         test_break "-source $srcfile -function $x" \
 198                    invalid_function_f [string trim $x] $srcfile
 199         test_break "$srcfile:main:$x" invalid_label [string trim $x] "main"
 200         test_break "-source $srcfile -function main -label $x" \
 201                    invalid_label [string trim $x] "main"
 202     }
 203
 204     foreach x $spaces {
 205         test_break "$srcfile$x" unexpected "end of input"
 206         test_break "$srcfile:main$x" unexpected "end of input"
 207     }
 208
 209     test_break "${srcfile}::" invalid_function "${srcfile}::"
 210     test_break "$srcfile:3 1" unexpected_opt "number" "1"
 211     test_break "-source $srcfile -line 3 1" garbage "1"
 212     test_break "$srcfile:3 +100" unexpected_opt "number" "+100"
 213     test_break "-source $srcfile -line 3 +100" garbage "+100"
 214     test_break "$srcfile:3 -100" unexpected_opt "number" "-100"
 215     test_break "$srcfile:3 foo" unexpected_opt "string" "foo"
 216     test_break "-source $srcfile -line 3 foo" garbage "foo"
 217
 218     foreach x $invalid_offsets {
 219         test_break "$srcfile:$x" invalid_offset_f $x $srcfile
 220         test_break "\"$srcfile:$x\"" invalid_offset_f $x $srcfile
 221         test_break "'$srcfile:$x'" invalid_offset_f $x $srcfile
 222         test_break "-source $srcfile -line $x" invalid_offset_f $x $srcfile
 223     }
 224     test_break "-source $srcfile -line -x" malformed_line_offset "-x"
 225
 226     # Test invalid filespecs starting with function.
 227     foreach x {"foobar" "foo::bar" "foo.bar" "foo ." "foo bar" "foo 1" \
 228                "foo 0" "foo +10" "foo -10" "foo +100" "foo -100"} {
 229         test_break $x invalid_function $x
 230         test_break "-function \"$x\"" invalid_function $x
 231     }
 232
 233     foreach x $spaces {
 234         test_break "main${x}there" invalid_label "there" "main"
 235         test_break "main:here${x}" unexpected "end of input"
 236     }
 237
 238     foreach_with_prefix x {"3" "+100" "-100" "foo"} {
 239         test_break "main 3" invalid_function "main 3"
 240         test_break "-function \"main $x\"" invalid_function "main $x"
 241         if {$x == "foo"} {
 242             test_break "main:here $x" unexpected_opt "string" $x
 243         } else {
 244             test_break "main:here $x" unexpected_opt "number" $x
 245         }
 246
 247         test_break "-function main -label \"here $x\"" \
 248                    invalid_label "here $x" "main"
 249     }
 250
 251     foreach x {"if" "task" "thread"} {
 252         test_break $x invalid_function $x
 253     }
 254
 255     test_break "'main.c'flubber" unexpected_opt "string" "flubber"
 256     test_break "'main.c',21" invalid_function "main.c"
 257     test_break "'main.c' " invalid_function "main.c"
 258     test_break "'main.c'3" unexpected_opt "number" "3"
 259     test_break "'main.c'+3" unexpected_opt "number" "+3"
 260
 261     # Test undefined convenience variables.
 262     set x {$zippo}
 263     test_break $x invalid_var_or_func $x
 264     test_break "$srcfile:$x" invalid_var_or_func_f $x $srcfile
 265
 266     # Explicit linespec-specific tests
 267     test_break "-source $srcfile" source_incomplete
 268     test_break "-source $srcfile main" source_incomplete
 269 }
 270
 271 foreach_with_prefix lang {"C" "C++"} {
 272     do_test ${lang}
 273 }