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# Copyright 2012-2021 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# Tests for linespec errors with C and C++.
# The test proper. LANG is either C or C++.
proc do_test {lang} {
global testfile srcfile error_messages compiler_info
standard_testfile
set exefile $testfile
if [info exists compiler_info] {
# Unsetting compiler_info allows us to switch compilers
# used by prepare_for_testing.
unset compiler_info
}
set options {debug}
if {$lang == "C++"} {
if {[skip_cplus_tests]} {
return 0
}
# Build ".c" source file with g++.
lappend options "c++"
}
if {[prepare_for_testing "failed to prepare" $exefile $srcfile $options]} {
return -1
}
# Turn off the pending breakpoint queries.
gdb_test_no_output "set breakpoint pending off"
# Turn off completion limiting
gdb_test_no_output "set max-completions unlimited"
if {![runto_main]} {
fail "can't run to main"
return 0
}
# Run to a location in the file.
set bp_location [gdb_get_line_number "set breakpoint here"]
gdb_test "break $srcfile:$bp_location" \
"Breakpoint.*at.* file .*$srcfile, line $bp_location\\." \
"breakpoint line number in file"
gdb_continue_to_breakpoint "$bp_location"
# Common error message format strings.
array set error_messages {
invalid_file "No source file named %s."
invalid_function "Function \"%s\" not defined."
invalid_var_or_func
"Undefined convenience variable or function \"%s\" not defined."
invalid_function_f "Function \"%s\" not defined in \"%s\"."
invalid_var_or_func_f \
"Undefined convenience variable or function \"%s\" not defined in \"%s\"."
invalid_label "No label \"%s\" defined in function \"%s\"."
invalid_parm "invalid linespec argument, \"%s\""
invalid_offset "No line %d in the current file."
invalid_offset_f "No line %d in file \"%s\"."
malformed_line_offset "malformed line offset: \"%s\""
source_incomplete \
"Source filename requires function, label, or line offset."
unexpected "malformed linespec error: unexpected %s"
unexpected_opt "malformed linespec error: unexpected %s, \"%s\""
unmatched_quote "unmatched quote"
garbage "Garbage '%s' at end of command"
}
# We intentionally do not use gdb_breakpoint for these tests.
# Break at 'linespec' and expect the message in ::error_messages
# indexed by msg_id with the associated args.
proc test_break {linespec msg_id args} {
global error_messages
gdb_test "break $linespec" [string_to_regexp \
[eval format \$error_messages($msg_id) \
$args]] \
"'break $linespec'"
}
# Some commonly used whitespace tests around ':'.
set spaces [list \
":" \
": " \
" :" \
" : " \
" : " \
]
# A list of invalid offsets.
set invalid_offsets [list -100 +500 1000]
# Try some simple, invalid linespecs involving spaces.
foreach x $spaces {
test_break $x unexpected "colon"
}
# Test invalid filespecs starting with offset. This is done
# first so that default offsets are tested.
foreach x $invalid_offsets {
set offset $x
# Relative offsets are relative to the current line. Adjust
# expected offset from error message accordingly.
if {[string index $x 0] == "+" || [string index $x 0] == "-"} {
incr offset $bp_location
}
test_break $x invalid_offset $offset
test_break "-line $x" invalid_offset $offset
}
# Test offsets with trailing tokens w/ and w/o spaces.
foreach x $spaces {
test_break "3$x" unexpected "colon"
test_break "+10$x" unexpected "colon"
test_break "-10$x" unexpected "colon"
}
foreach x {1 +1 +100 -10} {
test_break "3 $x" unexpected_opt "number" $x
test_break "-line 3 $x" garbage $x
test_break "+10 $x" unexpected_opt "number" $x
test_break "-line +10 $x" garbage $x
test_break "-10 $x" unexpected_opt "number" $x
test_break "-line -10 $x" garbage $x
}
foreach x {3 +10 -10} {
test_break "$x foo" unexpected_opt "string" "foo"
test_break "-line $x foo" garbage "foo"
}
# Test invalid linespecs starting with filename.
# It's OK to use the ".c" extension for the C++ test
# since the extension doesn't affect GDB's lookup.
set invalid_files [list "this_file_doesn't_exist.c" \
"this file has spaces.c" \
"\"file::colons.c\"" \
"'file::colons.c'" \
"\"this \"file\" has quotes.c\"" \
"'this \"file\" has quotes.c'" \
"'this 'file' has quotes.c'" \
"\"this 'file' has quotes.c\"" \
"\"spaces: and :colons.c\"" \
"'more: :spaces: :and colons::.c'" \
"C:/nonexist-with-windrive.c"]
foreach x $invalid_files {
# Remove any quoting from FILENAME for the error message.
test_break "$x:3" invalid_file [string trim $x \"']
}
foreach x [list "this_file_doesn't_exist.c" \
"file::colons.c" \
"'file::colons.c'"] {
test_break "-source $x -line 3" invalid_file [string trim $x \"']
}
# Test that option lexing stops at whitespace boundaries, except
# when lexing function names, where we want to handle setting
# breakpoints on e.g., "int template_function<int>()".
test_break "-source this file has spaces.c -line 3" source_incomplete
test_break "-function ret_type tmpl_function" \
invalid_function "ret_type tmpl_function"
test_break "-source $srcfile -function ret_type tmpl_function" \
invalid_function_f "ret_type tmpl_function" $srcfile
test_break "-function main -label label whitespace" \
invalid_label "label" "main"
# Test unmatched quotes.
foreach x {"\"src-file.c'" "'src-file.c"} {
test_break "$x:3" unmatched_quote
}
test_break $srcfile invalid_function $srcfile
foreach x {"foo" " foo" " foo "} {
# Trim any leading/trailing whitespace for error messages.
test_break "$srcfile:$x" invalid_function_f [string trim $x] $srcfile
test_break "-source $srcfile -function $x" \
invalid_function_f [string trim $x] $srcfile
test_break "$srcfile:main:$x" invalid_label [string trim $x] "main"
test_break "-source $srcfile -function main -label $x" \
invalid_label [string trim $x] "main"
}
foreach x $spaces {
test_break "$srcfile$x" unexpected "end of input"
test_break "$srcfile:main$x" unexpected "end of input"
}
test_break "${srcfile}::" invalid_function "${srcfile}::"
test_break "$srcfile:3 1" unexpected_opt "number" "1"
test_break "-source $srcfile -line 3 1" garbage "1"
test_break "$srcfile:3 +100" unexpected_opt "number" "+100"
test_break "-source $srcfile -line 3 +100" garbage "+100"
test_break "$srcfile:3 -100" unexpected_opt "number" "-100"
test_break "$srcfile:3 foo" unexpected_opt "string" "foo"
test_break "-source $srcfile -line 3 foo" garbage "foo"
foreach x $invalid_offsets {
test_break "$srcfile:$x" invalid_offset_f $x $srcfile
test_break "\"$srcfile:$x\"" invalid_offset_f $x $srcfile
test_break "'$srcfile:$x'" invalid_offset_f $x $srcfile
test_break "-source $srcfile -line $x" invalid_offset_f $x $srcfile
}
test_break "-source $srcfile -line -x" malformed_line_offset "-x"
# Test invalid filespecs starting with function.
foreach x {"foobar" "foo::bar" "foo.bar" "foo ." "foo bar" "foo 1" \
"foo 0" "foo +10" "foo -10" "foo +100" "foo -100"} {
test_break $x invalid_function $x
test_break "-function \"$x\"" invalid_function $x
}
foreach x $spaces {
test_break "main${x}there" invalid_label "there" "main"
test_break "main:here${x}" unexpected "end of input"
}
foreach_with_prefix x {"3" "+100" "-100" "foo"} {
test_break "main 3" invalid_function "main 3"
test_break "-function \"main $x\"" invalid_function "main $x"
if {$x == "foo"} {
test_break "main:here $x" unexpected_opt "string" $x
} else {
test_break "main:here $x" unexpected_opt "number" $x
}
test_break "-function main -label \"here $x\"" \
invalid_label "here $x" "main"
}
foreach x {"if" "task" "thread"} {
test_break $x invalid_function $x
}
test_break "'main.c'flubber" unexpected_opt "string" "flubber"
test_break "'main.c',21" invalid_function "main.c"
test_break "'main.c' " invalid_function "main.c"
test_break "'main.c'3" unexpected_opt "number" "3"
test_break "'main.c'+3" unexpected_opt "number" "+3"
# Test undefined convenience variables.
set x {$zippo}
test_break $x invalid_var_or_func $x
test_break "$srcfile:$x" invalid_var_or_func_f $x $srcfile
# Explicit linespec-specific tests
test_break "-source $srcfile" source_incomplete
test_break "-source $srcfile main" source_incomplete
}
foreach_with_prefix lang {"C" "C++"} {
do_test ${lang}
}
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