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# Copyright 2003, 2007, 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/>.  */

# Please email any bugs, comments, and/or additions to this file to:
# bug-gdb@prep.ai.mit.edu

# advance.exp -- Expect script to test 'advance' in gdb

if $tracelevel then {
    strace $tracelevel
}

set testfile advance
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}

remote_exec build "rm -f ${binfile}"
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
    untested advance.exp
    return -1
}

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

if ![runto_main] then {
    fail "Can't run to main"
    return 0
}

# Verify that "advance <location>" works.  (This is really just syntactic
# sugar for "tbreak <location>; continue".)
#
gdb_test "advance [gdb_get_line_number "advance this location"]" \
        "main .* at .*:.*b = 3.*advance this location.*" \
        "advance line number"

# Verify that a malformed "advance" is gracefully caught.
#
gdb_test "advance [gdb_get_line_number "advance malformed"] then stop" \
        "Junk at end of arguments." "malformed advance"

# Verify that "advance <funcname>" works.
#
gdb_test "advance func" \
        "func.*at.*x = x \\+ 5." \
        "advance func"

# Verify that "advance <funcname>" when funcname is NOT called by the current
# frame, stops at the end of the current frame.
#
# gdb can legitimately stop on either the current line or the next line,
# depending on whether the machine instruction for 'call' on the current
# line has more instructions after it or not.
#
gdb_test "advance func3" \
        "(in main|).*(func \\(c\\)|marker1 \\(\\)).*stop here after leaving current frame..."\
        "advance function not called by current frame"

# break at main again
#
gdb_test "break [gdb_get_line_number "break here"]" \
        ".*Breakpoint.* at .*" \
        "set breakpoint at call to func3"
gdb_test "continue" \
        ".*Breakpoint ${decimal}, main.*func3.*break here.*" \
        "continue to call to func3 in main"

# Verify that "advance <funcname>" when funcname is called as parameter to 
# another function works.
#
gdb_test "advance foo" \
        "foo \\(a=5\\).*int b = a \\+ 10;"\
        "advance function called as param"

# Verify that we get an error if we use 'advance' w/o argument
#
gdb_test "advance" \
        "Argument required \\(a location\\)."\
        "advance with no argument"