xref: /netbsd-src/external/gpl3/gdb.old/dist/gdb/testsuite/lib/gdb-utils.exp (revision ccd9df534e375a4366c5b55f23782053c7a98d82)
1# Copyright 2014-2020 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# Utility procedures, shared between test suite domains.
17
18# A helper procedure to retrieve commands to send to GDB before a program
19# is started.
20
21proc gdb_init_commands {} {
22    set commands ""
23    if [target_info exists gdb_init_command] {
24	lappend commands [target_info gdb_init_command]
25    }
26    if [target_info exists gdb_init_commands] {
27	set commands [concat $commands [target_info gdb_init_commands]]
28    }
29    return $commands
30}
31
32# Given an input string, adds backslashes as needed to create a
33# regexp that will match the string.
34
35proc string_to_regexp {str} {
36    set result $str
37    regsub -all {[]?*+.|(){}^$\[\\]} $str {\\&} result
38    return $result
39}
40
41# Wrap STR in an ANSI terminal escape sequences -- one to set the
42# style to STYLE, and one to reset the style to the default.  The
43# return value is suitable for use as a regular expression.
44
45# STYLE can either be the payload part of an ANSI terminal sequence,
46# or a shorthand for one of the gdb standard styles: "file",
47# "function", "variable", or "address".
48
49proc style {str style} {
50    switch -exact -- $style {
51	title { set style 1 }
52	file { set style 32 }
53	function { set style 33 }
54	highlight { set style 31 }
55	variable { set style 36 }
56	address { set style 34 }
57	metadata { set style 2 }
58    }
59    return "\033\\\[${style}m${str}\033\\\[m"
60}
61