# Copyright (C) 2008, 2009, 2010 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/>.

# This file is part of the GDB testsuite.  It tests Python-based
# pretty-printing for the CLI.

if $tracelevel then {
    strace $tracelevel
}

set testfile "py-prettyprint"
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}

# Start with a fresh gdb.
gdb_exit
gdb_start

# Skip all tests if Python scripting is not enabled.
if { [skip_python_tests] } { continue }

# Run a command in GDB, and report a failure if a Python exception is thrown.
# If report_pass is true, report a pass if no exception is thrown.
proc gdb_py_test_silent_cmd {cmd name report_pass} {
  global gdb_prompt

  gdb_test_multiple $cmd $name {
      -re "Traceback.*$gdb_prompt $"  { fail $name }
      -re "$gdb_prompt $"	      { if $report_pass { pass $name } }
  }
}

proc run_lang_tests {lang} {
    global srcdir subdir srcfile binfile testfile hex
    if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable "debug $lang"] != "" } {
	untested "Couldn't compile ${srcfile} in $lang mode"
	return -1
    }

    set nl "\[\r\n\]+"

    # Start with a fresh gdb.
    gdb_exit
    gdb_start
    gdb_reinitialize_dir $srcdir/$subdir
    gdb_load ${binfile}

    if ![runto_main ] then {
	perror "couldn't run to breakpoint"
	return
    }

    gdb_test_no_output "set print pretty on"

    gdb_test "b [gdb_get_line_number {break to inspect} ${testfile}.c ]" \
	".*Breakpoint.*"
    gdb_test "continue" ".*Breakpoint.*"

    set remote_python_file [remote_download host ${srcdir}/${subdir}/${testfile}.py]

    gdb_test_no_output "python execfile ('${remote_python_file}')"
    
    gdb_test "print ss" " = a=< a=<1> b=<$hex>> b=< a=<2> b=<$hex>>"
    gdb_test "print ssa\[1\]" " = a=< a=<5> b=<$hex>> b=< a=<6> b=<$hex>>"
    gdb_test "print ssa" " = {a=< a=<3> b=<$hex>> b=< a=<4> b=<$hex>>, a=< a=<5> b=<$hex>> b=< a=<6> b=<$hex>>}"
    
    gdb_test "print arraystruct" " = {$nl *y = 7, *$nl *x = { a=<23> b=<$hex>,  a=<24> b=<$hex>} *$nl *}"

    if {$lang == "c++"} {
	gdb_test "print cps" "=  a=<8> b=<$hex>"
	gdb_test "print cpss" " = {$nl *zss = 9, *$nl *s =  a=<10> b=<$hex>$nl}"
	gdb_test "print cpssa\[0\]" " = {$nl *zss = 11, *$nl *s =  a=<12> b=<$hex>$nl}"
	gdb_test "print cpssa\[1\]" " = {$nl *zss = 13, *$nl *s =  a=<14> b=<$hex>$nl}"
	gdb_test "print cpssa" " = {{$nl *zss = 11, *$nl *s =  a=<12> b=<$hex>$nl *}, {$nl *zss = 13, *$nl *s =  a=<14> b=<$hex>$nl *}}"
	gdb_test "print sss" "= a=<15> b=< a=<8> b=<$hex>>"
	gdb_test "print ref" "= a=<15> b=< a=<8> b=<$hex>>"
	gdb_test "print derived" \
	    " = \{.*<Vbase1> = pp class name: Vbase1.*<Vbase2> = \{.*<VirtualTest> = pp value variable is: 1,.*members of Vbase2:.*_vptr.Vbase2 = $hex.*<Vbase3> = \{.*members of Vbase3.*members of Derived:.*value = 2.*"
	gdb_test "print ns " "\"embedded\\\\000null\\\\000string\""
	gdb_py_test_silent_cmd "set print elements 3" "" 1
	gdb_test "print ns" "emb\.\.\.."
	gdb_py_test_silent_cmd "set print elements 10" "" 1
	gdb_test "print ns" "embedded\\\\000n\.\.\.."
	gdb_py_test_silent_cmd "set print elements 200" "" 1
    }

    gdb_test "print x" " = \"this is x\""
    gdb_test "print cstring" " = \"const string\""

    gdb_test "print estring" "\"embedded x\\\\201\\\\202\\\\203\\\\204\""
    gdb_test "print c" " = container \"container\" with 2 elements = {$nl *.0. = 23,$nl *.1. = 72$nl}"

    gdb_test "print nstype" " = {$nl *.0. = 7,$nl *.1. = 42$nl}"
    gdb_test "continue" "Program exited normally\."

    remote_file host delete ${remote_python_file}
}

run_lang_tests "c"
run_lang_tests "c++"

# Run various other tests.

if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable "debug"] != "" } {
    untested "Couldn't compile ${srcfile}"
    return -1
}

# Start with a fresh gdb.
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}

if ![runto_main ] then {
    perror "couldn't run to breakpoint"
    return
}

gdb_test "b [gdb_get_line_number {break to inspect} ${testfile}.c ]" \
    ".*Breakpoint.*"
gdb_test "continue" ".*Breakpoint.*"

set remote_python_file [remote_download host ${srcdir}/${subdir}/${testfile}.py]

gdb_test_no_output "python execfile ('${remote_python_file}')"

gdb_test "print ss" " = a=< a=<1> b=<$hex>> b=< a=<2> b=<$hex>>" \
    "print ss enabled #1"

gdb_test_no_output "python disable_lookup_function ()"

gdb_test "print ss" " = {a = {a = 1, b = $hex}, b = {a = 2, b = $hex}}" \
    "print ss disabled"

gdb_test_no_output "python enable_lookup_function ()"

gdb_test "print ss" " = a=< a=<1> b=<$hex>> b=< a=<2> b=<$hex>>" \
    "print ss enabled #2"

remote_file host delete ${remote_python_file}