gdb/testsuite/gdb.mi/mi-breakpoint-script.exp

# Copyright 2022-2023 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 the breakpoint script field, including the wrong syntax that GDB
# emitted before version 13.1.

load_lib mi-support.exp
standard_testfile .c

if {[gdb_compile "$srcdir/$subdir/$srcfile" $binfile executable {debug}] != "" } {
    return -1
}

# Generate the regexp pattern used to match the breakpoint description emitted
# in the various breakpoint command results/events.
#
# - EXPECT_FIXED_OUTPUT: If true, expect GDB to output the fixed output for the
#   script field, else expect it to output the broken pre-mi4 format.

proc make_pattern { expect_fixed_output } {
    if $expect_fixed_output {
	return "bkpt=\{number=\"${::decimal}\",type=\"breakpoint\",.*,script=\\\[\"abc\",\"def\"\\\],.*"
    } else {
	return "bkpt=\{number=\"${::decimal}\",type=\"breakpoint\",.*,script=\\\{\"abc\",\"def\"\\\},.*"
    }
}

# Run the test with the following parameters:
#
# - MI_VERSION: the version of the MI interpreter to use (e.g. "2")
# - USE_FIX_FLAG: Whether to issue the -fix-breakpoint-script-output
#   command after starting GDB
# - EXPECT_FIXED_OUTPUT: If true, expect GDB to output the fixed output for the
#   script field, else expect it to output the broken pre-mi4 format.

proc do_test { mi_version use_fix_flag expect_fixed_output } {
    with_test_prefix "mi_version=${mi_version}" {
	with_test_prefix "use_fix_flag=${use_fix_flag}" {
	    save_vars { ::MIFLAGS } {
		set ::MIFLAGS "-i=mi${mi_version}"

		mi_clean_restart $::binfile
	    }

	    if $use_fix_flag {
		mi_gdb_test "-fix-breakpoint-script-output" "\\^done" \
		    "send -fix-multi-location-breakpoint-output"
	    }

            # Create a breakpoint.
	    mi_gdb_test "-break-insert main" ".*" "add breakpoint on main"

            set pattern [make_pattern $expect_fixed_output]

            # Add commands.  Use the CLI command, so we can verify the
            # =breakpoint-modified output.
            mi_gdb_test "commands\nabc\ndef\nend" ".*=breakpoint-modified,$pattern\r\n\\^done" "add breakpoint commands"

	    # Check the -break-info output.
	    mi_gdb_test "-break-info" \
		"\\^done,BreakpointTable=.*${pattern}" \
		"-break-info"

	    mi_gdb_exit
	}
    }
}

# Vanilla mi3
do_test 3 0 0

# mi3 with -fix-breakpoint-script-output
do_test 3 1 1

# Vanilla mi4
do_test 4 0 1

# mi4 with -fix-breakpoint-script-output
do_test 4 1 1

# Whatever MI version is currently the default one, vanilla
do_test "" 0 1

# Whatever MI version is currently the default one, with
# -fix-breakpoint-script-output
do_test "" 1 1