1# Copyright 2012-2020 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# Tests for linespec errors with C and C++. 17 18# The test proper. LANG is either C or C++. 19 20proc 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 271foreach_with_prefix lang {"C" "C++"} { 272 do_test ${lang} 273} 274