set-lang-auto.exp

gdb-6.8 Linux下的调试程序 最新版本

# Copyright 2008 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/>.

if $tracelevel then {
    strace $tracelevel
}

set prms_id 0
set bug_id 0

set testfile start
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}
if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
    untested "Couldn't compile test program"
    return -1
}

# Get things started.

gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}

# Do not run the inferior as the purpose of this testcase is to test
# the behavior of the "set language" command when there is no inferior.

# Check the language after the binary has been loaded.  It should be
# "auto; currently c".
gdb_test "show lang" \
         "The current source language is \"auto; currently c\"\\." \
         "show lang after loading binary"

# Now, switch the language to a specific language, instead of leaving it
# on auto.
gdb_test "set lang ada" \
         "" \
         "forcing the language to ada"

# Verify that the language is now "ada".
gdb_test "show lang" \
         "The current source language is \"ada\"\\." \
         "show lang after switching language to ada"

# Then, switch back to auto...
gdb_test "set lang auto" \
         "" \
         "switching the language back to auto"

# ... And verify that the language mode is back to auto *and* that
# the selected language is C.

gdb_test "show lang" \
         "The current source language is \"auto; currently c\"\\." \
         "show lang after having switched back to auto"