# Copyright 2002-2020 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 tests that GDB's console can be accessed via the MI.
# Specifically, we are testing the "interpreter-exec" command and that
# the commands that are executed via this command are properly executed.
# Console commands executed via MI should use MI output wrappers, MI event
# handlers, etc.

load_lib mi-support.exp
set MIFLAGS "-i=mi"

gdb_exit
if [mi_gdb_start] {
    continue
}

standard_testfile basics.c

if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
     untested "failed to compile"
     return -1
}

mi_gdb_test "-interpreter-exec" \
  {\^error,msg="-interpreter-exec: Usage: -interpreter-exec interp command"} \
  "-interpreter-exec with no arguments"

mi_gdb_test "-interpreter-exec console" \
  {\^error,msg="-interpreter-exec: Usage: -interpreter-exec interp command"} \
  "-interpreter-exec with one argument"

mi_gdb_test "-interpreter-exec bogus command" \
  {\^error,msg="-interpreter-exec: could not find interpreter \\\"bogus\\\""} \
  "-interpreter-exec with bogus interpreter"

set msg {Undefined command: \\\"bogus\\\"\.  Try \\\"help\\\"\.}
mi_gdb_test "-interpreter-exec console bogus" \
    "&\\\"$msg\\\\n\\\".*\\^error,msg=\\\"$msg\\\".*" \
  "-interpreter-exec console bogus"

# NOTE: cagney/2003-02-03: Not yet.
# mi_gdb_test "-interpreter-exec console \"file $binfile\"" \
#   {(=.*)+\^done} \
#   "-interpreter-exec console \"file \$binfile\""
mi_gdb_test "-interpreter-exec console \"file $binfile\"" \
  {~"Reading symbols from .*mi-cli...\\n".*} \
  "-interpreter-exec console \"file \$binfile\""

mi_run_to_main

set line_main_head    [gdb_get_line_number "main ("]
set line_main_body    [expr $line_main_head + 2]
set line_main_hello   [gdb_get_line_number "Hello, World!"]
set line_main_return  [expr $line_main_hello + 2]
set line_main_callme_2 [expr $line_main_return + 1]
set line_callee4_head [gdb_get_line_number "callee4 ("]
set line_callee4_body [expr $line_callee4_head + 2]
set line_callee4_next [expr $line_callee4_body + 1]
set line_callee4_next_step [expr $line_callee4_next + 3]

mi_gdb_test "-interpreter-exec console \"set args foobar\"" \
  ".*=cmd-param-changed,param=\"args\",value=\"foobar\".*\\^done" \
  "-interpreter-exec console \"set args foobar\""

mi_gdb_test "-interpreter-exec console \"show args\"" \
  {\~"Argument list to give program being debugged when it is started is \\\"foobar\\\"\.\\n".*\^done} \
  "-interpreter-exec console \"show args\""

mi_gdb_test "-interpreter-exec console \"break callee4\"" \
    {(&.*)*.*~"Breakpoint 2 at.*\\n".*=breakpoint-created,bkpt=\{number="2",type="breakpoint".*\}.*\n\^done} \
    "-interpreter-exec console \"break callee4\""

mi_gdb_test "-interpreter-exec console \"info break\"" \
  {\~"Num[ \t]*Type[ \t]*Disp[ \t]*Enb[ \t]*Address[ \t]*What\\n".*~"2[ \t]*breakpoint[ \t]*keep[ \t]*y[ \t]*0x[0-9A-Fa-f]+[ \t]*in callee4 at .*basics.c:[0-9]+\\n".*\^done} \
  "-interpreter-exec console \"info break\""

mi_gdb_test "-interpreter-exec console \"set listsize 1\"" \
  ".*=cmd-param-changed,param=\"listsize\",value=\"1\".*\\^done" \
  "-interpreter-exec console \"set listsize 1\""

# {.*\~"32[ \t(\\t)]*callee1.*\\n".*\^done }
mi_gdb_test "-interpreter-exec console \"list\"" \
  ".*\~\"$line_main_body\[\\\\t \]*callee1.*;\\\\n\".*\\^done" \
  "-interpreter-exec console \"list\""

mi_execute_to "exec-continue" "breakpoint-hit" "callee4" "" ".*basics.c" $line_callee4_body \
    { "" "disp=\"keep\"" } \
    "continue to callee4"

mi_gdb_test "100-interpreter-exec console \"delete 2\"" \
    {.*=breakpoint-deleted,id=\"2\".*\^done} \
    "-interpreter-exec console \"delete 2\""

# NOTE: cagney/2003-02-03: Not yet.
# mi_gdb_test "200-interpreter-exec console \"up\"" \
#   {.*=selected-frame-level-changed,level="1".*\^done} \
#   "-interpreter-exec console \"up\""
mi_gdb_test "200-interpreter-exec console \"up\"" \
  {~"#.*".*200\^done} \
  "-interpreter-exec console \"up\""

# NOTE: cagney/2003-02-03: Not yet.
# mi_gdb_test "300-interpreter-exec console \"down\"" \
#   {.*=selected-frame-level-changed,level="0".*\^done} \
#   "-interpreter-exec console \"down\""
mi_gdb_test "300-interpreter-exec console \"down\"" \
  {~"#.*".*300\^done} \
  "-interpreter-exec console \"down\""

# NOTE: cagney/2003-02-03: Not yet.
# mi_gdb_test "-interpreter-exec console \"frame 2\"" \
#   {.*=selected-frame-level-changed,level="2".*\^done} \
#   "-interpreter-exec console \"frame 2\""
mi_gdb_test "400-interpreter-exec console \"frame 2\"" \
  {~"#.*".*400\^done} \
  "-interpreter-exec console \"frame 2\""

# NOTE: cagney/2003-02-03: Not yet.
# mi_gdb_test "-stack-select-frame 0" \
#   {.*=selected-frame-level-changed,level="0".*\^done} \
#   "-stack-select-frame 0"
mi_gdb_test "500-stack-select-frame 0" \
  {500\^done} \
  "-stack-select-frame 0"

mi_execute_to "interpreter-exec console step" "end-stepping-range" "callee4" "" ".*basics.c" $line_callee4_next \
    "" "check *stopped from CLI command"

mi_send_resuming_command "exec-step" "-exec-step to line \$line_callee4_next_step"

# Test that the new current source line is _not_ output, given we
# executed MI's -exec-next, not CLI's 'next' command.

set output [mi_gdb_expect_cli_output "\\*stopped" "collect CLI output for -exec-step"]

set test "-exec-step does not produce CLI step output"
if {[regexp "A + B" "$output"]} {
    fail $test
} else {
    pass $test
}

mi_expect_stop "end-stepping-range" "callee4" "" ".*basics.c" $line_callee4_next_step \
    "" "check *stopped from CLI command 2"

# Test that CLI's "finish" command prints the function's return value
# to both the CLI and MI streams, and that the same result variable is
# printed to both streams.
with_test_prefix "CLI finish" {
    mi_send_resuming_command "interpreter-exec console finish" "send CLI command"

    set output [mi_gdb_expect_cli_output "\\*stopped" "collect CLI output"]
    gdb_assert {[regexp \
		     "callee3 .* at .*basics.c:.*.*Value returned is .1 = 0\\\\n" \
		     $output]} \
	"check CLI output"

    mi_expect_stop "function-finished" "callee3" ".*" \
	".*basics.c" ".*" \
	",gdb-result-var=\".1\",return-value=\"0\"" \
	"check MI output"
}

mi_gdb_test "600-break-insert -t basics.c:$line_main_hello" \
	{600\^done,bkpt=.number="3",type="breakpoint".*\}} \
	"-break-insert -t basics.c:\$line_main_hello"

# Test that breakpoint events are always mirrored to the CLI output
# stream (both sync and async modes).
mi_send_resuming_command "exec-continue" "-exec-continue to line \$line_main_hello"

set output [mi_gdb_expect_cli_output "\\*stopped" "collect CLI output for breakpoint hit"]
set test "breakpoint hit produces CLI output"
set pattern "\\\\nTemporary breakpoint 3, main \\(\\) at \[^\n\]*basics.c:$line_main_hello\\\\n\[^\n\]+Hello"

if {[regexp $pattern $output]} {
    pass $test
} else {
    fail $test
}

# Test the MI output.
mi_expect_stop "breakpoint-hit" "main" "" ".*basics.c" \
    $line_main_hello { "" "disp=\"del\"" } "temporary breakpoint output hit in MI"

# Test that the token is output even for CLI commands
# Also test that *stopped includes frame information.
mi_gdb_test "34 next" \
    ".*34\\\^running.*\\*running,thread-id=\"all\"" \
    "34 next: run"

# Test that the new current source line is output to the console
# stream, given we executed the console 'next' command, not
# -exec-next.
set test "34 next: CLI output"
gdb_expect {
    -re "~\"$line_main_return\[^\r\n\]+\r\n" {
	pass $test
    }
    timeout {
	fail "$test (timeout)"
    }
}

mi_expect_stop "end-stepping-range" "main" "" ".*basics.c" $line_main_return "" \
    "34 next: stop"

mi_gdb_test "-interpreter-exec console \"list\"" \
  "\~\"$line_main_return\[\\\\t ]*callme \\(1\\);\\\\n\".*\\^done" \
  "-interpreter-exec console \"list\" at basics.c:\$line_main_return"

mi_gdb_test "600-break-insert -t basics.c:$line_main_callme_2" \
	{600\^done,bkpt=.number="4",type="breakpoint".*\}} \
	"-break-insert -t basics.c:\$line_main_callme_2"

mi_execute_to "exec-continue" "breakpoint-hit" "main" "" ".*basics.c" \
    $line_main_callme_2 { "" "disp=\"del\"" } \
    "-exec-continue to line \$line_main_callme_2"

# Restore the listsize back to the default.
mi_gdb_test "-interpreter-exec console \"set listsize 10\"" \
  ".*=cmd-param-changed,param=\"listsize\",value=\"10\".*\\^done" \
  "-interpreter-exec console \"set listsize 10\""

# "list" should show 10 lines centered on where the program stopped.
set first_list_line [expr $line_main_callme_2 - 5]
mi_gdb_test "-interpreter-exec console \"list\"" \
    ".*\~\"$first_list_line.*\\^done" \
    "-interpreter-exec console \"list\" at basics.c:\$line_main_callme_2"

mi_gdb_test "-interpreter-exec console \"help set args\"" \
  {\~"Set argument list to give program being debugged when it is started\.\\nFollow this command with any number of args, to be passed to the program\.".*\^done} \
  "-interpreter-exec console \"help set args\""

# NOTE: cagney/2003-02-03: Not yet.
# mi_gdb_test "-interpreter-exec console \"set \$pc=0x0\"" \
#   {.*=target-changed.*\^done} \
#   "-interpreter-exec console \"set \$pc=0x0\""
mi_gdb_test "888-interpreter-exec console \"set \$pc=0x0\"" \
  {888\^done} \
  "-interpreter-exec console \"set \$pc=0x0\""

#mi_gdb_test "-interpreter-exec console \"\"" \
  {} \
  "-interpreter-exec console \"\""

mi_gdb_exit
return 0