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# 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 the mechanism
# exposing values to Python.

if $tracelevel then {
    strace $tracelevel
}

# Start with a fresh gdb.

gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir

gdb_test_multiple "python print 23" "verify python support" {
    -re "not supported.*$gdb_prompt $"  {
      unsupported "python support is disabled"

      # If Python is not supported, verify that sourcing a python script
      # causes an error.
      gdb_test "source $srcdir/$subdir/source2.py" "Error in sourced command file:.*"
      return -1
    }
    -re "$gdb_prompt $" {}
}

# Usage: gdb_py_test_multiple NAME INPUT RESULT {INPUT RESULT}...
# Run a test named NAME, consisting of multiple lines of input.
# After each input line INPUT, search for result line RESULT.
# Succeed if all results are seen; fail otherwise.
proc gdb_py_test_multiple {name args} {
    global gdb_prompt
    foreach {input result} $args {
        if {[gdb_test_multiple $input "$name - $input" {
            -re "\[\r\n\]*($result)\[\r\n\]+($gdb_prompt | *>)$" {
                pass "$name - $input"
            }
        }]} {
            return 1
        }
    }
    return 0
}

gdb_py_test_multiple "multi-line python command" \
  "python" "" \
  "print 23" "" \
  "end" "23"

gdb_py_test_multiple "show python command" \
  "define zzq" "Type commands for definition of .* just \"end\"\\.*" \
  "python" "" \
  "print 23" "" \
  "end" "" \
  "end" "" \
  "show user zzq" "User command \"zzq\":.*  python.*print 23.*  end"

gdb_py_test_multiple "indented multi-line python command" \
  "python" "" \
  "def foo ():" "" \
  "  print 'hello, world!'" "" \
  "foo ()" "" \
  "end" "hello, world!"

gdb_test "source $srcdir/$subdir/source2.py" "yes"

gdb_test "python print gdb.current_objfile()" "None"
gdb_test "python print gdb.objfiles()" "\\\[\\\]"

# Test http://bugs.python.org/issue4434 workaround in configure.ac
gdb_test "python import itertools; print 'IMPOR'+'TED'" "IMPORTED" "pythonX.Y/lib-dynload/*.so"

gdb_test_no_output \
    "python x = gdb.execute('printf \"%d\", 23', to_string = True)"
gdb_test "python print x" "23"

# Test (no) pagination of the executed command.
gdb_test "show height" {Number of lines gdb thinks are in a page is unlimited\.}
set lines 10
gdb_test_no_output "set height $lines"

set test "verify pagination beforehand"
gdb_test_multiple "python print \"\\n\" * $lines" $test {
    -re "---Type <return> to continue, or q <return> to quit---$" {
        pass $test
    }
}
gdb_test "q" "Quit" "verify pagination beforehand: q"

gdb_test "python if gdb.execute('python print \"\\\\n\" * $lines', to_string=True) == \"\\n\" * [expr $lines + 1]: print \"yes\"" "yes" "gdb.execute does not page"

set test "verify pagination afterwards"
gdb_test_multiple "python print \"\\n\" * $lines" $test {
    -re "---Type <return> to continue, or q <return> to quit---$" {
        pass $test
    }
}
gdb_test "q" "Quit" "verify pagination afterwards: q"