# Copyright 2017-2021 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/>.

# Test the "list" command with linespecs that expand to multiple
# locations.

standard_testfile list-ambiguous0.c list-ambiguous1.c

# Set EDITOR to true to prevent that GDB's edit command starts an actual
# editor.
setenv EDITOR true

if {[prepare_for_testing "failed to prepare" $testfile [list $srcfile $srcfile2] \
	 {debug}]} {
    return -1
}

# Build source listing pattern based on an inclusive line range.

proc line_range_pattern { range_start range_end } {
    global line_re

    for {set i $range_start} {$i <= $range_end} {incr i} {
	append pattern "\r\n$i\[ \t\]\[^\r\n\]*"
    }

    verbose -log "pattern $pattern"
    return $pattern
}

# Test the "list" command with linespecs that expand to multiple
# locations.

proc test_list_ambiguous_symbol {symbol_line symbol} {
    global srcfile srcfile2

    set lineno0 [gdb_get_line_number $symbol_line $srcfile]
    set lineno1 [gdb_get_line_number $symbol_line $srcfile2]
    set lines0_re [line_range_pattern [expr $lineno0 - 5] [expr $lineno0 + 4]]
    set lines1_re [line_range_pattern [expr $lineno1 - 5] [expr $lineno1 + 4]]

    set any "\[^\r\n\]*"
    set h0_re "file: \"${any}list-ambiguous0.c\", line number: $lineno0, symbol: \"$symbol\""
    set h1_re "file: \"${any}list-ambiguous1.c\", line number: $lineno1, symbol: \"$symbol\""
    gdb_test "list $symbol" "${h0_re}${lines0_re}\r\n${h1_re}${lines1_re}"

    gdb_test "list main,$symbol" \
	"Specified last line '$symbol' is ambiguous:\r\n${h0_re}\r\n${h1_re}"
    gdb_test "list ,$symbol" \
	"Specified last line '$symbol' is ambiguous:\r\n${h0_re}\r\n${h1_re}"
    gdb_test "list $symbol,main" \
	"Specified first line '$symbol' is ambiguous:\r\n${h0_re}\r\n${h1_re}"
    gdb_test "list $symbol,$symbol" \
	"Specified first line '$symbol' is ambiguous:\r\n${h0_re}\r\n${h1_re}"
    gdb_test "list $symbol," \
	"Specified first line '$symbol' is ambiguous:\r\n${h0_re}\r\n${h1_re}"

    # While at it, test the "edit" command as well, since it shares
    # code with "list".
    gdb_test "edit $symbol" \
	"Specified line is ambiguous:\r\n${h0_re}\r\n${h1_re}"
}

proc test_list_ambiguous_function {} {
    test_list_ambiguous_symbol "ambiguous_fun (void)" "ambiguous_fun"
    test_list_ambiguous_symbol "ambiguous_var" "ambiguous_var"
}

gdb_test_no_output "set listsize 10"

test_list_ambiguous_function