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

   1 # Copyright 2012-2016 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     }
  97
  98     # Some commonly used whitespace tests around ':'.
  99     set spaces [list ":" ": " " :" " : " "\t:  " "  :\t" "\t:\t" \
 100                      " \t:\t " "\t  \t:\t  \t  \t"]
 101
 102     # A list of invalid offsets.
 103     set invalid_offsets [list -100 +500 1000]
 104
 105     # Try some simple, invalid linespecs involving spaces.
 106     foreach x $spaces {
 107         test_break $x unexpected "colon"
 108     }
 109
 110     # Test invalid filespecs starting with offset.  This is done
 111     # first so that default offsets are tested.
 112     foreach x $invalid_offsets {
 113         set offset $x
 114
 115         # Relative offsets are relative to line 16.  Adjust
 116         # expected offset from error message accordingly.
 117         if {[string index $x 0] == "+" || [string index $x 0] == "-"} {
 118             incr offset 24
 119         }
 120         test_break $x invalid_offset $offset
 121         test_break "-line $x" invalid_offset $offset
 122     }
 123
 124     # Test offsets with trailing tokens w/ and w/o spaces.
 125     foreach x $spaces {
 126         test_break "3$x" unexpected "colon"
 127         test_break "+10$x" unexpected "colon"
 128         test_break "-10$x" unexpected "colon"
 129     }
 130
 131     foreach x {1 +1 +100 -10} {
 132         test_break "3 $x" unexpected_opt "number" $x
 133         test_break "-line 3 $x" garbage $x
 134         test_break "+10 $x" unexpected_opt "number" $x
 135         test_break "-line +10 $x" garbage $x
 136         test_break "-10 $x" unexpected_opt "number" $x
 137         test_break "-line -10 $x" garbage $x
 138     }
 139
 140     foreach x {3 +10 -10} {
 141         test_break "$x foo" unexpected_opt "string" "foo"
 142         test_break "-line $x foo" garbage "foo"
 143     }
 144
 145     # Test invalid linespecs starting with filename.
 146     # It's OK to use the ".c" extension for the C++ test
 147     # since the extension doesn't affect GDB's lookup.
 148     set invalid_files [list "this_file_doesn't_exist.c" \
 149                             "this file has spaces.c" \
 150                             "\"file::colons.c\"" \
 151                             "'file::colons.c'" \
 152                             "\"this \"file\" has quotes.c\"" \
 153                             "'this \"file\" has quotes.c'" \
 154                             "'this 'file' has quotes.c'" \
 155                             "\"this 'file' has quotes.c\"" \
 156                             "\"spaces: and :colons.c\"" \
 157                             "'more: :spaces: :and  colons::.c'" \
 158                             "C:/nonexist-with-windrive.c"]
 159
 160     foreach x $invalid_files {
 161         # Remove any quoting from FILENAME for the error message.
 162         test_break "$x:3" invalid_file [string trim $x \"']
 163     }
 164     foreach x [list "this_file_doesn't_exist.c" \
 165                     "file::colons.c" \
 166                     "'file::colons.c'"] {
 167         test_break "-source $x -line 3" invalid_file [string trim $x \"']
 168     }
 169
 170     # Test that option lexing stops at whitespace boundaries
 171     test_break "-source this file has spaces.c -line 3" invalid_file "this"
 172     test_break "-function function whitespace" invalid_function "function"
 173     test_break "-source $srcfile -function function whitespace" \
 174                invalid_function_f "function" $srcfile
 175
 176     test_break "-function main -label label whitespace" \
 177                invalid_label "label" "main"
 178
 179     # Test unmatched quotes.
 180     foreach x {"\"src-file.c'" "'src-file.c"} {
 181         test_break "$x:3" unmatched_quote
 182     }
 183
 184     test_break $srcfile invalid_function $srcfile
 185     foreach x {"foo" " foo" " foo "} {
 186         # Trim any leading/trailing whitespace for error messages.
 187         test_break "$srcfile:$x" invalid_function_f [string trim $x] $srcfile
 188         test_break "-source $srcfile -function $x" \
 189                    invalid_function_f [string trim $x] $srcfile
 190         test_break "$srcfile:main:$x" invalid_label [string trim $x] "main"
 191         test_break "-source $srcfile -function main -label $x" \
 192                    invalid_label [string trim $x] "main"
 193     }
 194
 195     foreach x $spaces {
 196         test_break "$srcfile$x" unexpected "end of input"
 197         test_break "$srcfile:main$x" unexpected "end of input"
 198     }
 199
 200     test_break "${srcfile}::" invalid_function "${srcfile}::"
 201     test_break "$srcfile:3 1" unexpected_opt "number" "1"
 202     test_break "-source $srcfile -line 3 1" garbage "1"
 203     test_break "$srcfile:3 +100" unexpected_opt "number" "+100"
 204     test_break "-source $srcfile -line 3 +100" garbage "+100"
 205     test_break "$srcfile:3 -100" unexpected_opt "number" "-100"
 206     test_break "$srcfile:3 foo" unexpected_opt "string" "foo"
 207     test_break "-source $srcfile -line 3 foo" garbage "foo"
 208
 209     foreach x $invalid_offsets {
 210         test_break "$srcfile:$x" invalid_offset_f $x $srcfile
 211         test_break "\"$srcfile:$x\"" invalid_offset_f $x $srcfile
 212         test_break "'$srcfile:$x'" invalid_offset_f $x $srcfile
 213         test_break "-source $srcfile -line $x" invalid_offset_f $x $srcfile
 214     }
 215     test_break "-source $srcfile -line -x" malformed_line_offset "-x"
 216
 217     # Test invalid filespecs starting with function.
 218     foreach x {"foobar" "foo::bar" "foo.bar" "foo ." "foo bar" "foo 1" \
 219                "foo 0" "foo +10" "foo -10" "foo +100" "foo -100"} {
 220         test_break $x invalid_function $x
 221         test_break "-function \"$x\"" invalid_function $x
 222     }
 223
 224     foreach x $spaces {
 225         test_break "main${x}there" invalid_label "there" "main"
 226         if {[test_compiler_info {clang-*-*}]} {
 227             setup_xfail clang/14500 *-*-*
 228         }
 229         test_break "main:here${x}" unexpected "end of input"
 230     }
 231
 232     foreach x {"3" "+100" "-100" "foo"} {
 233         test_break "main 3" invalid_function "main 3"
 234         test_break "-function \"main $x\"" invalid_function "main $x"
 235         test_break "main:here $x" invalid_label "here $x" "main"
 236         test_break "-function main -label \"here $x\"" \
 237                    invalid_label "here $x" "main"
 238     }
 239
 240     foreach x {"if" "task" "thread"} {
 241         test_break $x invalid_function $x
 242     }
 243
 244     test_break "'main.c'flubber" unexpected_opt "string" "flubber"
 245     test_break "'main.c',21" invalid_function "main.c"
 246     test_break "'main.c' " invalid_function "main.c"
 247     test_break "'main.c'3" unexpected_opt "number" "3"
 248     test_break "'main.c'+3" unexpected_opt "number" "+3"
 249
 250     # Test undefined convenience variables.
 251     set x {$zippo}
 252     test_break $x invalid_var_or_func $x
 253     test_break "$srcfile:$x" invalid_var_or_func_f $x $srcfile
 254
 255     # Explicit linespec-specific tests
 256     test_break "-source $srcfile" source_incomplete
 257 }
 258
 259 foreach_with_prefix lang {"C" "C++"} {
 260     do_test ${lang}
 261 }