1 # Copyright 2012-2024 Free Software Foundation, Inc.
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.
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.
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/>.
16 # Tests for linespec errors with C and C++.
18 # The test proper. LANG is either C or C++.
21 global testfile srcfile error_messages compiler_info
25 if [info exists compiler_info] {
26 # Unsetting compiler_info allows us to switch compilers
27 # used by prepare_for_testing.
33 if {![allow_cplus_tests]} {
36 # Build ".c" source file with g++.
40 if {[prepare_for_testing "failed to prepare" $exefile $srcfile $options]} {
44 # Turn off the pending breakpoint queries.
45 gdb_test_no_output "set breakpoint pending off"
47 # Turn off completion limiting
48 gdb_test_no_output "set max-completions unlimited"
54 # Run to a location in the file.
55 set bp_location [gdb_get_line_number "set breakpoint here"]
57 gdb_test "break $srcfile:$bp_location" \
58 "Breakpoint.*at.* file .*$srcfile, line $bp_location\\." \
59 "breakpoint line number in file"
61 gdb_continue_to_breakpoint "$bp_location"
63 # Common error message format strings.
64 array set error_messages {
65 invalid_file "No source file named %s."
66 invalid_function "Function \"%s\" not defined."
68 "Undefined convenience variable or function \"%s\" not defined."
69 invalid_function_f "Function \"%s\" not defined in \"%s\"."
70 invalid_var_or_func_f \
71 "Undefined convenience variable or function \"%s\" not defined in \"%s\"."
72 invalid_label "No label \"%s\" defined in function \"%s\"."
73 invalid_parm "invalid linespec argument, \"%s\""
74 invalid_offset "No compiled code for line %d in the current file."
75 invalid_offset_f "No compiled code for line %d in file \"%s\"."
76 malformed_line_offset "malformed line offset: \"%s\""
78 "Source filename requires function, label, or line offset."
79 unexpected "malformed linespec error: unexpected %s"
80 unexpected_opt "malformed linespec error: unexpected %s, \"%s\""
81 unmatched_quote "unmatched quote"
82 garbage "Garbage '%s' at end of command"
85 # We intentionally do not use gdb_breakpoint for these tests.
87 # Break at 'linespec' and expect the message in ::error_messages
88 # indexed by msg_id with the associated args.
89 proc test_break {linespec msg_id args} {
92 gdb_test "break $linespec" [string_to_regexp \
93 [eval format \$error_messages($msg_id) \
98 # Some commonly used whitespace tests around ':'.
107 # A list of invalid offsets.
108 set invalid_offsets [list -100 +500 1000]
110 # Try some simple, invalid linespecs involving spaces.
112 test_break $x unexpected "colon"
115 # Test invalid filespecs starting with offset. This is done
116 # first so that default offsets are tested.
117 foreach x $invalid_offsets {
120 # Relative offsets are relative to the current line. Adjust
121 # expected offset from error message accordingly.
122 if {[string index $x 0] == "+" || [string index $x 0] == "-"} {
123 incr offset $bp_location
125 test_break $x invalid_offset $offset
126 test_break "-line $x" invalid_offset $offset
129 # Test offsets with trailing tokens w/ and w/o spaces.
131 test_break "3$x" unexpected "colon"
132 test_break "+10$x" unexpected "colon"
133 test_break "-10$x" unexpected "colon"
136 foreach x {1 +1 +100 -10} {
137 test_break "3 $x" unexpected_opt "number" $x
138 test_break "-line 34 $x" garbage $x
139 test_break "+10 $x" unexpected_opt "number" $x
140 test_break "-line +10 $x" garbage $x
141 test_break "-10 $x" unexpected_opt "number" $x
142 test_break "-line -10 $x" garbage $x
145 foreach x {34 +10 -10} {
146 test_break "$x foo" unexpected_opt "string" "foo"
147 test_break "-line $x foo" garbage "foo"
150 # Test invalid linespecs starting with filename.
151 # It's OK to use the ".c" extension for the C++ test
152 # since the extension doesn't affect GDB's lookup.
153 set invalid_files [list "this_file_doesn't_exist.c" \
154 "this file has spaces.c" \
155 "\"file::colons.c\"" \
157 "\"this \"file\" has quotes.c\"" \
158 "'this \"file\" has quotes.c'" \
159 "'this 'file' has quotes.c'" \
160 "\"this 'file' has quotes.c\"" \
161 "\"spaces: and :colons.c\"" \
162 "'more: :spaces: :and colons::.c'" \
163 "C:/nonexist-with-windrive.c"]
165 foreach x $invalid_files {
166 # Remove any quoting from FILENAME for the error message.
167 test_break "$x:3" invalid_file [string trim $x \"']
169 foreach x [list "this_file_doesn't_exist.c" \
171 "'file::colons.c'"] {
172 test_break "-source $x -line 3" invalid_file [string trim $x \"']
175 # Test that option lexing stops at whitespace boundaries, except
176 # when lexing function names, where we want to handle setting
177 # breakpoints on e.g., "int template_function<int>()".
178 test_break "-source this file has spaces.c -line 3" source_incomplete
179 test_break "-function ret_type tmpl_function" \
180 invalid_function "ret_type tmpl_function"
181 test_break "-source $srcfile -function ret_type tmpl_function" \
182 invalid_function_f "ret_type tmpl_function" $srcfile
184 test_break "-function main -label label whitespace" \
185 invalid_label "label" "main"
187 # Test unmatched quotes.
188 foreach x {"\"src-file.c'" "'src-file.c"} {
189 test_break "$x:3" unmatched_quote
192 test_break $srcfile invalid_function $srcfile
193 foreach x {"foo" " foo" " foo "} {
194 # Trim any leading/trailing whitespace for error messages.
195 test_break "$srcfile:$x" invalid_function_f [string trim $x] $srcfile
196 test_break "-source $srcfile -function $x" \
197 invalid_function_f [string trim $x] $srcfile
198 test_break "$srcfile:main:$x" invalid_label [string trim $x] "main"
199 test_break "-source $srcfile -function main -label $x" \
200 invalid_label [string trim $x] "main"
204 test_break "$srcfile$x" unexpected "end of input"
205 test_break "$srcfile:main$x" unexpected "end of input"
208 test_break "${srcfile}::" invalid_function "${srcfile}::"
209 test_break "$srcfile:3 1" unexpected_opt "number" "1"
210 test_break "-source $srcfile -line 34 1" garbage "1"
211 test_break "$srcfile:3 +100" unexpected_opt "number" "+100"
212 test_break "-source $srcfile -line 34 +100" garbage "+100"
213 test_break "$srcfile:3 -100" unexpected_opt "number" "-100"
214 test_break "$srcfile:3 foo" unexpected_opt "string" "foo"
215 test_break "-source $srcfile -line 34 foo" garbage "foo"
217 foreach x $invalid_offsets {
218 test_break "$srcfile:$x" invalid_offset_f $x $srcfile
219 test_break "\"$srcfile:$x\"" invalid_offset_f $x $srcfile
220 test_break "'$srcfile:$x'" invalid_offset_f $x $srcfile
221 test_break "-source $srcfile -line $x" invalid_offset_f $x $srcfile
223 test_break "-source $srcfile -line -x" malformed_line_offset "-x"
225 # Test invalid filespecs starting with function.
226 foreach x {"foobar" "foo::bar" "foo.bar" "foo ." "foo bar" "foo 1" \
227 "foo 0" "foo +10" "foo -10" "foo +100" "foo -100"} {
228 test_break $x invalid_function $x
229 test_break "-function \"$x\"" invalid_function $x
233 test_break "main${x}there" invalid_label "there" "main"
234 test_break "main:here${x}" unexpected "end of input"
237 foreach_with_prefix x {"3" "+100" "-100" "foo"} {
238 test_break "main 3" invalid_function "main 3"
239 test_break "-function \"main $x\"" invalid_function "main $x"
241 test_break "main:here $x" unexpected_opt "string" $x
243 test_break "main:here $x" unexpected_opt "number" $x
246 test_break "-function main -label \"here $x\"" \
247 invalid_label "here $x" "main"
250 foreach x {"if" "task" "thread"} {
251 test_break $x invalid_function $x
254 test_break "'main.c'flubber" unexpected_opt "string" "flubber"
255 test_break "'main.c',21" invalid_function "main.c"
256 test_break "'main.c' " invalid_function "main.c"
257 test_break "'main.c'3" unexpected_opt "number" "3"
258 test_break "'main.c'+3" unexpected_opt "number" "+3"
260 # Test undefined convenience variables.
262 test_break $x invalid_var_or_func $x
263 test_break "$srcfile:$x" invalid_var_or_func_f $x $srcfile
265 # Explicit linespec-specific tests
266 test_break "-source $srcfile" source_incomplete
267 test_break "-source $srcfile main" source_incomplete
270 foreach_with_prefix lang {"C" "C++"} {