# Copyright (C) 1992 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 2 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, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */

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

# This file was written by Fred Fish. (fnf@cygnus.com)

if $tracelevel then {
	strace $tracelevel
}

set prms_id 0
set bug_id 0

# Set the current language to chill.  This counts as a test.  If it
# fails, then we skip the other tests.

proc set_lang_chill {} {
    global prompt

    send "set language chill\n"
    expect {
	-re ".*$prompt $" {}
	timeout { fail "set language chill (timeout)" ; return 0 }
    }

    send "show language\n"
    expect {
	-re ".* source language is \"chill\".*$prompt $" {
	    pass "set language to \"chill\""
	    return 1
	}
	-re ".*$prompt $" {
	    fail "setting language to \"chill\""
	    return 0
	}
	timeout {
	    fail "can't show language (timeout)"
	    return 0
	}
    }
}

# Testing printing of a specific value.  Increment passcount for
# success or issue fail message for failure.  In both cases, return
# a 1 to indicate that more tests can proceed.  However a timeout
# is a serious error, generates a special fail message, and causes
# a 0 to be returned to indicate that more tests are likely to fail
# as well.
#
# Args are:
#
#	First one is string to send to gdb
#	Second one is string to match gdb result to
#	Third one is an optional message to be printed

proc test_print_accept { args } {
    global prompt
    global passcount
    global verbose

    if [llength $args]==3 then {
	set message [lindex $args 2]
    } else {
	set message [lindex $args 0]
    }
    set sendthis [lindex $args 0]
    set expectthis [lindex $args 1]
    if $verbose>2 then {
	send_user "Sending \"$sendthis\" to gdb\n"
	send_user "Looking to match \"$expectthis\"\n"
	send_user "Message is \"$message\"\n"
    }
    send "$sendthis\n"
    expect {
	-re ".* = $expectthis\r\n$prompt $" {
	    incr passcount
	    return 1
	}
	-re ".*$prompt $" {
	    if ![string match "" $message] then {
		fail "$sendthis ($message)"
	    } else {
		fail "$sendthis"
	    }
	    return 1
	}
	timeout {
	    fail "$sendthis (timeout)"
	    return 0
	}
    }
}

proc test_integer_literals_accepted {} {
    global prompt
    global passcount

    set passcount 0

    # Test various decimal values.

    test_print_accept "p 123" "123"
    test_print_accept "p -123" "-123"
    test_print_accept "p D'123" "123"
    test_print_accept "p d'123" "123"
    test_print_accept "p -D'123" "-123"
    test_print_accept "p -d'123" "-123"
    test_print_accept "p 123_456" "123456"
    test_print_accept "p __1_2_3__" "123"
    test_print_accept "p/d 123" "D'123"

    # Test various binary values.

    test_print_accept "p B'111" "7"
    test_print_accept "p b'111" "7"
    test_print_accept "p -B'111" "-7"
    test_print_accept "p B'0111" "7"
    test_print_accept "p b'0111" "7"
    test_print_accept "p -b'0111" "-7"
    test_print_accept "p B'_0_1_1_1_" "7"
    test_print_accept "p b'_0_1_1_1_" "7"
    test_print_accept "p -b'_0_1_1_1_" "-7"
    test_print_accept "p/t B'111" "B'111"

    # Test various octal values.

    test_print_accept "p O'123" "83"
    test_print_accept "p o'123" "83"
    test_print_accept "p -o'0123" "-83"
    test_print_accept "p O'0123" "83"
    test_print_accept "p o'0123" "83"
    test_print_accept "p -o'123" "-83"
    test_print_accept "p O'_1_2_3_" "83"
    test_print_accept "p o'_1_2_3_" "83"
    test_print_accept "p -o'_1_2_3_" "-83"
    test_print_accept "p/o O'123" "O'123"

    # Test various hexadecimal values.

    test_print_accept "p H'123" "291"
    test_print_accept "p h'123" "291"
    test_print_accept "p -h'123" "-291"
    test_print_accept "p H'0123" "291"
    test_print_accept "p h'0123" "291"
    test_print_accept "p -h'0123" "-291"
    test_print_accept "p H'_1_2_3_" "291"
    test_print_accept "p h'_1_2_3_" "291"
    test_print_accept "p -h'_1_2_3_" "-291"
    test_print_accept "p H'ABCDEF" "11259375"
    test_print_accept "p H'abcdef" "11259375"
    test_print_accept "p H'AbCdEf" "11259375"
    test_print_accept "p H'_A_b_C_d_E_f_" "11259375"
    test_print_accept "p/x H'123" "H'123"

    if $passcount then {
	pass "$passcount correct integer literals printed"
    }
}

proc test_character_literals_accepted {} {
    global prompt
    global passcount

    set passcount 0

    # Test various decimal values.

    test_print_accept "p 'a'" "'a'"
    test_print_accept "p/x 'a'" "H'61"
    test_print_accept "p/d 'a'" "D'97"
    test_print_accept "p/t 'a'" "B'1100001"
    # test_print_accept "p '^(97)'" "'a'"	(not in GNU Chill)
    test_print_accept "p C'61'" "'a'"
    test_print_accept "p c'61'" "'a'"
    test_print_accept "p/x C'FF'" "H'ff"
    # test_print_accept "p/x '^(H'FF)'" "H'ff"	(not in GNU Chill)
    # test_print_accept "p/x '^(D'255)'" "H'ff"	(not in GNU Chill)

    if $passcount then {
	pass "$passcount correct character literals printed"
    }
}

# Testing printing of a specific value.  Increment passcount for
# success or issue fail message for failure.  In both cases, return
# a 1 to indicate that more tests can proceed.  However a timeout
# is a serious error, generates a special fail message, and causes
# a 0 to be returned to indicate that more tests are likely to fail
# as well.

proc test_print_reject { args } {
    global prompt
    global passcount
    global verbose

    if [llength $args]==2 then {
	set expectthis [lindex $args 1]
    } else {
	set expectthis "should never match this bogus string"
    }
    set sendthis [lindex $args 0]
    if $verbose>2 then {
	send_user "Sending \"$sendthis\" to gdb\n"
	send_user "Looking to match \"$expectthis\"\n"
    }
    send "$sendthis\n"
    expect {
	-re ".*A .* in expression.*\\.*$prompt $" {
	    incr passcount
	    return 1
	}
	-re ".*Junk after end of expression.*$prompt $" {
	    incr passcount
	    return 1
	}
	-re ".*No symbol table is loaded.*$prompt $" {
	    incr passcount
	    return 1
	}
	-re ".*$expectthis.*$prompt $" {
	    incr passcount
	    return 1
	}
	-re ".*$prompt $" {
	    fail "$sendthis not properly rejected"
	    return 1
	}
	timeout {
	    fail "$sendthis (timeout)"
	    return 0
	}
    }
}

proc test_integer_literals_rejected {} {
    global prompt
    global passcount

    set passcount 0

    # These are valid integer literals in Z.200, but not GNU-Chill.

    test_print_reject "p _"
    test_print_reject "p __"

    test_print_reject "p D'" 
    test_print_reject "p D'_" 
    test_print_reject "p D'__" 

    test_print_reject "p B'" 
    test_print_reject "p B'_" 
    test_print_reject "p B'__" 

    test_print_reject "p O'" 
    test_print_reject "p O'_" 
    test_print_reject "p O'__" 

    test_print_reject "p H'" 
    test_print_reject "p H'_" 
    test_print_reject "p H'__" 

    # Test various decimal values.

    test_print_reject "p D'DEADBEEF"
    test_print_reject "p D'123DEADBEEF"

    # Test various binary values.

    test_print_reject "p B'2" 
    test_print_reject "p B'12" 

    # Test various octal values.

    test_print_reject "p O'9" 
    test_print_reject "p O'79" 

    # Test various hexadecimal values.

    test_print_reject "p H'G" 
    test_print_reject "p H'AG" 

    if $passcount then {
	pass "$passcount incorrect integer literals rejected"
    }
}

proc test_boolean_literals_accepted {} {
    global prompt
    global passcount

    set passcount 0

    # Test the only possible values for a boolean, TRUE and FALSE.

    test_print_accept "p TRUE" "TRUE"
    test_print_accept "p FALSE" "FALSE"

    if $passcount then {
	pass "$passcount correct boolean literals printed"
    }
}

proc test_float_literals_accepted {} {
    global prompt
    global passcount

    set passcount 0

    # Test various floating point formats

    test_print_accept "p .44 < .45" "1"
    test_print_accept "p .44 > .45" "0"
    test_print_accept "p 0.44 < 0.45" "1"
    test_print_accept "p 0.44 > 0.45" "0"
    test_print_accept "p 44. < 45." "1"
    test_print_accept "p 44. > 45." "0"
    test_print_accept "p 44.0 < 45.0" "1"
    test_print_accept "p 44.0 > 45.0" "0"
    test_print_accept "p 10D20 < 10D21" "1"
    test_print_accept "p 10D20 > 10D21" "0"
    test_print_accept "p 10d20 < 10d21" "1"
    test_print_accept "p 10d20 > 10d21" "0"
    test_print_accept "p 10E20 < 10E21" "1"
    test_print_accept "p 10E20 > 10E21" "0"
    test_print_accept "p 10e20 < 10e21" "1"
    test_print_accept "p 10e20 > 10e21" "0"
    test_print_accept "p 10.D20 < 10.D21" "1"
    test_print_accept "p 10.D20 > 10.D21" "0"
    test_print_accept "p 10.d20 < 10.d21" "1"
    test_print_accept "p 10.d20 > 10.d21" "0"
    test_print_accept "p 10.E20 < 10.E21" "1"
    test_print_accept "p 10.E20 > 10.E21" "0"
    test_print_accept "p 10.e20 < 10.e21" "1"
    test_print_accept "p 10.e20 > 10.e21" "0"
    test_print_accept "p 10.0D20 < 10.0D21" "1"
    test_print_accept "p 10.0D20 > 10.0D21" "0"
    test_print_accept "p 10.0d20 < 10.0d21" "1"
    test_print_accept "p 10.0d20 > 10.0d21" "0"
    test_print_accept "p 10.0E20 < 10.0E21" "1"
    test_print_accept "p 10.0E20 > 10.0E21" "0"
    test_print_accept "p 10.0e20 < 10.0e21" "1"
    test_print_accept "p 10.0e20 > 10.0e21" "0"
    test_print_accept "p 10.0D+20 < 10.0D+21" "1"
    test_print_accept "p 10.0D+20 > 10.0D+21" "0"
    test_print_accept "p 10.0d+20 < 10.0d+21" "1"
    test_print_accept "p 10.0d+20 > 10.0d+21" "0"
    test_print_accept "p 10.0E+20 < 10.0E+21" "1"
    test_print_accept "p 10.0E+20 > 10.0E+21" "0"
    test_print_accept "p 10.0e+20 < 10.0e+21" "1"
    test_print_accept "p 10.0e+20 > 10.0e+21" "0"
    test_print_accept "p 10.0D-11 < 10.0D-10" "1"
    test_print_accept "p 10.0D-11 > 10.0D-10" "0"
    test_print_accept "p 10.0d-11 < 10.0d-10" "1"
    test_print_accept "p 10.0d-11 > 10.0d-10" "0"
    test_print_accept "p 10.0E-11 < 10.0E-10" "1"
    test_print_accept "p 10.0E-11 > 10.0E-10" "0"
    test_print_accept "p 10.0e-11 < 10.0e-10" "1"
    test_print_accept "p 10.0e-11 > 10.0e-10" "0"
    # looks funny, but apparently legal
    test_print_accept "p _.1e+10 < _.1e+11" "1"
    test_print_accept "p _.1e+10 > _.1e+11" "0"
    test_print_accept "p __.1e-12 < __.1e-11" "1"
    test_print_accept "p __.1e-12 > __.1e-11" "0"

    if $passcount then {
	pass "$passcount correct float literal comparisons"
    }
}

proc test_convenience_variables {} {
    global prompt

    gdb_test "set \\\$foo := 101"	" := 101" \
	"Set a new convenience variable"

    gdb_test "print \\\$foo"		" = 101" \
	"Print contents of new convenience variable"

    gdb_test "set \\\$foo := 301"	" := 301" \
	"Set convenience variable to a new value"

    gdb_test "print \\\$foo"		" = 301" \
	"Print new contents of convenience variable"

    gdb_test "set \\\$_ := 11"		" := 11" \
	"Set convenience variable \$_"

    gdb_test "print \\\$_"		" = 11" \
	"Print contents of convenience variable \$_"

    gdb_test "print \\\$foo + 10"	" = 311" \
	"Use convenience variable in arithmetic expression"

    gdb_test "print (\\\$foo := 32) + 4"	" = 36" \
	"Use convenience variable assignment in arithmetic expression"

    gdb_test "print \\\$bar"		" = void" \
	"Print contents of uninitialized convenience variable"
}

proc test_value_history {} {
    global prompt

    gdb_test "print 101"	"\\\$1 = 101" \
	"Set value-history\[1\] using \$1"

    gdb_test "print 102" 	"\\\$2 = 102" \
	"Set value-history\[2\] using \$2"

    gdb_test "print 103"	"\\\$3 = 103" \
	"Set value-history\[3\] using \$3"

    gdb_test "print \\\$\\\$"	"\\\$4 = 102" \
	"Print value-history\[MAX-1\] using inplicit index \$\$"

    gdb_test "print \\\$\\\$"	"\\\$5 = 103" \
	"Print value-history\[MAX-1\] again using implicit index \$\$"

    gdb_test "print \\\$"	"\\\$6 = 103" \
	"Print value-history\[MAX\] using implicit index \$"

    gdb_test "print \\\$\\\$2"	"\\\$7 = 102" \
	"Print value-history\[MAX-2\] using explicit index \$\$2"

    gdb_test "print \\\$0"	"\\\$8 = 102" \
	"Print value-history\[MAX\] using explicit index \$0"

    gdb_test "print 108"	"\\\$9 = 108" ""

    gdb_test "print \\\$\\\$0"	"\\\$10 = 108" \
	"Print value-history\[MAX\] using explicit index \$\$0"

    gdb_test "print \\\$1"	"\\\$11 = 101" \
	"Print value-history\[1\] using explicit index \$1"

    gdb_test "print \\\$2"	"\\\$12 = 102" \
	"Print value-history\[2\] using explicit index \$2"

    gdb_test "print \\\$3"	"\\\$13 = 103" \
	"Print value-history\[3\] using explicit index \$3"

    gdb_test "print \\\$-3"	"\\\$14 = 100" \
	"Print (value-history\[MAX\] - 3) using implicit index \$"

    gdb_test "print \\\$1 + 3"	"\\\$15 = 104" \
	"Use value-history element in arithmetic expression"
}

proc test_arithmetic_expressions {} {
    global prompt
    global passcount

    set passcount 0

    # Test unary minus with various operands

#    test_print_accept "p -(TRUE)"	"-1"	"unary minus applied to bool"
#    test_print_accept "p -('a')"	"xxx"	"unary minus applied to char"
    test_print_accept "p -(1)"		"-1"	"unary minus applied to int"
    test_print_accept "p -(1.0)"	"-1"	"unary minus applied to real"

    # Test addition with various operands

    test_print_accept "p TRUE + 1"	"2"	"bool plus int"
    test_print_accept "p 'a' + 1"	"98"	"char plus int"
    test_print_accept "p 1 + 1"		"2"	"int plus int"
    test_print_accept "p 1.0 + 1"	"2"	"real plus int"
    test_print_accept "p 1.0 + 2.0"	"3"	"real plus real"

    # Test subtraction with various operands

    test_print_accept "p TRUE - 1"	"0"	"bool minus int"
    test_print_accept "p 'b' - 1"	"97"	"char minus int"
    test_print_accept "p 3 - 1"		"2"	"int minus int"
    test_print_accept "p 3.0 - 1"	"2"	"real minus int"
    test_print_accept "p 5.0 - 2.0"	"3"	"real minus real"

    # Test multiplication with various operands

    test_print_accept "p TRUE * 1"	"1"	"bool times int"
    test_print_accept "p 'a' * 2"	"194"	"char times int"
    test_print_accept "p 2 * 3"		"6"	"int times int"
    test_print_accept "p 2.0 * 3"	"6"	"real times int"
    test_print_accept "p 2.0 * 3.0"	"6"	"real times real"

    # Test division with various operands

    test_print_accept "p TRUE / 1"	"1"	"bool divided by int"
    test_print_accept "p 'a' / 2"	"48"	"char divided by int"
    test_print_accept "p 6 / 3"		"2"	"int divided by int"
    test_print_accept "p 6.0 / 3"	"2"	"real divided by int"
    test_print_accept "p 6.0 / 3.0"	"2"	"real divided by real"

    # Test modulo with various operands

    test_print_accept "p TRUE MOD 1"	"0"	"bool modulo int"
    test_print_accept "p 'a' MOD 2"	"1"	"char modulo int"
    test_print_accept "p -5 MOD 3"	"1"	"negative int modulo int"
    test_print_accept "p 5 MOD 1"	"0"	"int modulo int"
    test_print_accept "p 5 MOD 2"	"1"	"int modulo int"
    test_print_accept "p 5 MOD 3"	"2"	"int modulo int"
    test_print_accept "p 5 MOD 4"	"1"	"int modulo int"
    test_print_accept "p 5 MOD 5"	"0"	"int modulo int"
    test_print_accept "p 0 MOD 1"	"0"	"int modulo int"
    test_print_accept "p 0 MOD 2"	"0"	"int modulo int"
    test_print_accept "p 0 MOD 3"	"0"	"int modulo int"
    test_print_accept "p 0 MOD 4"	"0"	"int modulo int"
    test_print_accept "p -5 MOD 1"	"0"	"int modulo int"
    test_print_accept "p -5 MOD 2"	"1"	"int modulo int"
    test_print_accept "p -5 MOD 3"	"1"	"int modulo int"
    test_print_accept "p -5 MOD 4"	"3"	"int modulo int"
    test_print_accept "p -5 MOD 5"	"0"	"int modulo int"
    test_print_accept "p -5 MOD 5"	"0"	"int modulo int"
    test_print_reject "p 6.0 MOD 3" \
	"Integer-only operation on floating point number.*"
    test_print_reject "p 6.0 MOD 3.0" \
	"Integer-only operation on floating point number.*"
    test_print_reject "p -5 MOD -1" \
	"Second operand of MOD must be greater than zero.*"
    test_print_reject "p -5 MOD 0" \
	"Second operand of MOD must be greater than zero.*"

    # Test remainder with various operands

    test_print_accept "p TRUE REM 1"	"0"	"bool remainder int"
    test_print_accept "p 'a' REM 2"	"1"	"char remainder int"
    test_print_accept "p 5 REM 5"	"0"	"int remainder int"
    test_print_accept "p 5 REM 4"	"1"	"int remainder int"
    test_print_accept "p 5 REM 3"	"2"	"int remainder int"
    test_print_accept "p 5 REM 2"	"1"	"int remainder int"
    test_print_accept "p 5 REM 1"	"0"	"int remainder int"
    test_print_accept "p 5 REM -1"	"0"	"int remainder int"
    test_print_accept "p 5 REM -2"	"1"	"int remainder int"
    test_print_accept "p 5 REM -3"	"2"	"int remainder int"
    test_print_accept "p 5 REM -4"	"1"	"int remainder int"
    test_print_accept "p 5 REM -5"	"0"	"int remainder int"
    test_print_accept "p -5 REM 5"	"0"	"int remainder int"
    test_print_accept "p -5 REM 4"	"-1"	"int remainder int"
    test_print_accept "p -5 REM 3"	"-2"	"int remainder int"
    test_print_accept "p -5 REM 2"	"-1"	"int remainder int"
    test_print_accept "p -5 REM 1"	"0"	"int remainder int"
    test_print_accept "p -5 REM -1"	"0"	"int remainder int"
    test_print_accept "p -5 REM -2"	"-1"	"int remainder int"
    test_print_accept "p -5 REM -3"	"-2"	"int remainder int"
    test_print_accept "p -5 REM -4"	"-1"	"int remainder int"
    test_print_accept "p -5 REM -5"	"0"	"int remainder int"
    test_print_accept "p 6 REM 3"	"0"	"int remainder int"
    test_print_reject "p 6.0 REM 3" \
	"Integer-only operation on floating point number.*"
    test_print_reject "p 6.0 REM 3.0" \
	"Integer-only operation on floating point number.*"

    if $passcount then {
	pass "$passcount correct arithmetic expressions"
    }
}

# Start with a fresh gdb.

gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir

send "set print sevenbit-strings\n" ; expect -re ".*$prompt $"

if [set_lang_chill] then {
    test_value_history
    test_convenience_variables
    test_integer_literals_accepted
    test_integer_literals_rejected
    test_boolean_literals_accepted
    test_character_literals_accepted
    test_float_literals_accepted
    test_arithmetic_expressions
} else {
    warning "$test_name tests suppressed."
}