276 lines
9.2 KiB
Plaintext
276 lines
9.2 KiB
Plaintext
# Copyright 2012-2018 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Tests for linespec errors with C and C++.
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# The test proper. LANG is either C or C++.
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proc do_test {lang} {
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global testfile srcfile error_messages compiler_info
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standard_testfile
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set exefile $testfile
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if [info exists compiler_info] {
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# Unsetting compiler_info allows us to switch compilers
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# used by prepare_for_testing.
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unset compiler_info
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}
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set options {debug}
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if {$lang == "C++"} {
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if {[skip_cplus_tests]} {
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return 0
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}
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# Build ".c" source file with g++.
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lappend options "c++"
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}
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if {[prepare_for_testing "failed to prepare" $exefile $srcfile $options]} {
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return -1
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}
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# Turn off the pending breakpoint queries.
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gdb_test_no_output "set breakpoint pending off"
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# Turn off completion limiting
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gdb_test_no_output "set max-completions unlimited"
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if {![runto_main]} {
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fail "can't run to main"
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return 0
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}
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# Run to a location in the file.
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set bp_location [gdb_get_line_number "set breakpoint here"]
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gdb_test "break $srcfile:$bp_location" \
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"Breakpoint.*at.* file .*$srcfile, line $bp_location\\." \
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"breakpoint line number in file"
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gdb_continue_to_breakpoint "$bp_location"
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# Common error message format strings.
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array set error_messages {
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invalid_file "No source file named %s."
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invalid_function "Function \"%s\" not defined."
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invalid_var_or_func
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"Undefined convenience variable or function \"%s\" not defined."
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invalid_function_f "Function \"%s\" not defined in \"%s\"."
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invalid_var_or_func_f \
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"Undefined convenience variable or function \"%s\" not defined in \"%s\"."
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invalid_label "No label \"%s\" defined in function \"%s\"."
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invalid_parm "invalid linespec argument, \"%s\""
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invalid_offset "No line %d in the current file."
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invalid_offset_f "No line %d in file \"%s\"."
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malformed_line_offset "malformed line offset: \"%s\""
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source_incomplete \
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"Source filename requires function, label, or line offset."
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unexpected "malformed linespec error: unexpected %s"
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unexpected_opt "malformed linespec error: unexpected %s, \"%s\""
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unmatched_quote "unmatched quote"
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garbage "Garbage '%s' at end of command"
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}
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# We intentionally do not use gdb_breakpoint for these tests.
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# Break at 'linespec' and expect the message in ::error_messages
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# indexed by msg_id with the associated args.
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proc test_break {linespec msg_id args} {
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global error_messages
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gdb_test "break $linespec" [string_to_regexp \
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[eval format \$error_messages($msg_id) \
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$args]]
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}
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# Some commonly used whitespace tests around ':'.
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set spaces [list \
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":" \
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": " \
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" :" \
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" : " \
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" : " \
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]
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# A list of invalid offsets.
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set invalid_offsets [list -100 +500 1000]
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# Try some simple, invalid linespecs involving spaces.
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foreach x $spaces {
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test_break $x unexpected "colon"
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}
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# Test invalid filespecs starting with offset. This is done
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# first so that default offsets are tested.
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foreach x $invalid_offsets {
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set offset $x
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# Relative offsets are relative to the current line. Adjust
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# expected offset from error message accordingly.
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if {[string index $x 0] == "+" || [string index $x 0] == "-"} {
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incr offset $bp_location
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}
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test_break $x invalid_offset $offset
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test_break "-line $x" invalid_offset $offset
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}
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# Test offsets with trailing tokens w/ and w/o spaces.
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foreach x $spaces {
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test_break "3$x" unexpected "colon"
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test_break "+10$x" unexpected "colon"
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test_break "-10$x" unexpected "colon"
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}
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foreach x {1 +1 +100 -10} {
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test_break "3 $x" unexpected_opt "number" $x
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test_break "-line 3 $x" garbage $x
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test_break "+10 $x" unexpected_opt "number" $x
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test_break "-line +10 $x" garbage $x
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test_break "-10 $x" unexpected_opt "number" $x
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test_break "-line -10 $x" garbage $x
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}
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foreach x {3 +10 -10} {
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test_break "$x foo" unexpected_opt "string" "foo"
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test_break "-line $x foo" garbage "foo"
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}
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# Test invalid linespecs starting with filename.
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# It's OK to use the ".c" extension for the C++ test
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# since the extension doesn't affect GDB's lookup.
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set invalid_files [list "this_file_doesn't_exist.c" \
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"this file has spaces.c" \
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"\"file::colons.c\"" \
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"'file::colons.c'" \
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"\"this \"file\" has quotes.c\"" \
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"'this \"file\" has quotes.c'" \
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"'this 'file' has quotes.c'" \
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"\"this 'file' has quotes.c\"" \
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"\"spaces: and :colons.c\"" \
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"'more: :spaces: :and colons::.c'" \
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"C:/nonexist-with-windrive.c"]
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foreach x $invalid_files {
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# Remove any quoting from FILENAME for the error message.
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test_break "$x:3" invalid_file [string trim $x \"']
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}
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foreach x [list "this_file_doesn't_exist.c" \
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"file::colons.c" \
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"'file::colons.c'"] {
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test_break "-source $x -line 3" invalid_file [string trim $x \"']
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}
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# Test that option lexing stops at whitespace boundaries, except
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# when lexing function names, where we want to handle setting
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# breakpoints on e.g., "int template_function<int>()".
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test_break "-source this file has spaces.c -line 3" source_incomplete
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test_break "-function ret_type tmpl_function" \
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invalid_function "ret_type tmpl_function"
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test_break "-source $srcfile -function ret_type tmpl_function" \
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invalid_function_f "ret_type tmpl_function" $srcfile
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test_break "-function main -label label whitespace" \
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invalid_label "label" "main"
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# Test unmatched quotes.
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foreach x {"\"src-file.c'" "'src-file.c"} {
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test_break "$x:3" unmatched_quote
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}
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test_break $srcfile invalid_function $srcfile
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foreach x {"foo" " foo" " foo "} {
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# Trim any leading/trailing whitespace for error messages.
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test_break "$srcfile:$x" invalid_function_f [string trim $x] $srcfile
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test_break "-source $srcfile -function $x" \
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invalid_function_f [string trim $x] $srcfile
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test_break "$srcfile:main:$x" invalid_label [string trim $x] "main"
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test_break "-source $srcfile -function main -label $x" \
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invalid_label [string trim $x] "main"
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}
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foreach x $spaces {
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test_break "$srcfile$x" unexpected "end of input"
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test_break "$srcfile:main$x" unexpected "end of input"
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}
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test_break "${srcfile}::" invalid_function "${srcfile}::"
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test_break "$srcfile:3 1" unexpected_opt "number" "1"
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test_break "-source $srcfile -line 3 1" garbage "1"
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test_break "$srcfile:3 +100" unexpected_opt "number" "+100"
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test_break "-source $srcfile -line 3 +100" garbage "+100"
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test_break "$srcfile:3 -100" unexpected_opt "number" "-100"
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test_break "$srcfile:3 foo" unexpected_opt "string" "foo"
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test_break "-source $srcfile -line 3 foo" garbage "foo"
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foreach x $invalid_offsets {
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test_break "$srcfile:$x" invalid_offset_f $x $srcfile
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test_break "\"$srcfile:$x\"" invalid_offset_f $x $srcfile
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test_break "'$srcfile:$x'" invalid_offset_f $x $srcfile
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test_break "-source $srcfile -line $x" invalid_offset_f $x $srcfile
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}
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test_break "-source $srcfile -line -x" malformed_line_offset "-x"
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# Test invalid filespecs starting with function.
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foreach x {"foobar" "foo::bar" "foo.bar" "foo ." "foo bar" "foo 1" \
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"foo 0" "foo +10" "foo -10" "foo +100" "foo -100"} {
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test_break $x invalid_function $x
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test_break "-function \"$x\"" invalid_function $x
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}
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foreach x $spaces {
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test_break "main${x}there" invalid_label "there" "main"
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if {[test_compiler_info {clang-*-*}]} {
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setup_xfail clang/14500 *-*-*
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}
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test_break "main:here${x}" unexpected "end of input"
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}
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foreach x {"3" "+100" "-100" "foo"} {
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test_break "main 3" invalid_function "main 3"
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test_break "-function \"main $x\"" invalid_function "main $x"
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if {$x == "foo"} {
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test_break "main:here $x" unexpected_opt "string" $x
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} else {
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test_break "main:here $x" unexpected_opt "number" $x
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}
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test_break "-function main -label \"here $x\"" \
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invalid_label "here $x" "main"
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}
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foreach x {"if" "task" "thread"} {
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test_break $x invalid_function $x
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}
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test_break "'main.c'flubber" unexpected_opt "string" "flubber"
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test_break "'main.c',21" invalid_function "main.c"
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test_break "'main.c' " invalid_function "main.c"
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test_break "'main.c'3" unexpected_opt "number" "3"
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test_break "'main.c'+3" unexpected_opt "number" "+3"
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# Test undefined convenience variables.
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set x {$zippo}
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test_break $x invalid_var_or_func $x
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test_break "$srcfile:$x" invalid_var_or_func_f $x $srcfile
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# Explicit linespec-specific tests
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test_break "-source $srcfile" source_incomplete
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test_break "-source $srcfile main" source_incomplete
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}
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foreach_with_prefix lang {"C" "C++"} {
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do_test ${lang}
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}
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