Subversion Repositories openrisc_2011-10-31

# Copyright (C) 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 .

# This file is part of the GDB testsuite.  It tests the mechanism

# of exposing types to Python.

if $tracelevel then {

    strace $tracelevel

}

set testfile "py-type"

set srcfile ${testfile}.c

set binfile ${objdir}/${subdir}/${testfile}

# Build inferior to language specification.

proc build_inferior {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

  }

}

# Restart GDB.

proc restart_gdb {} {

  global srcdir subdir srcfile binfile testfile hex

  gdb_exit

  gdb_start

  gdb_reinitialize_dir $srcdir/$subdir

  gdb_load ${binfile}

  if ![runto_main ] then {

      perror "couldn't run to breakpoint"

      return

  }

}

# Set breakpoint and run to that breakpoint.

proc runto_bp {bp} {

  gdb_breakpoint [gdb_get_line_number $bp]

  gdb_continue_to_breakpoint $bp

}

# 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 test_fields {lang} {

  global gdb_prompt

  if {$lang == "c++"} {

      # Test usage with a class

      gdb_py_test_silent_cmd "print c" "print value" 1

      gdb_py_test_silent_cmd "python c = gdb.history (0)" "get value from history" 1

      gdb_py_test_silent_cmd "python fields = c.type.fields()" "get fields" 1

      gdb_test "python print len(fields)" "2" "Check number of fields"

      gdb_test "python print fields\[0\].name" "c" "Check class field c name"

      gdb_test "python print fields\[1\].name" "d" "Check class field d name"

  }

  # Test normal fields usage in structs.

  gdb_py_test_silent_cmd "print st" "print value" 1

  gdb_py_test_silent_cmd "python st = gdb.history (0)" "get value from history" 1

  gdb_py_test_silent_cmd "python fields = st.type.fields()" "get fields" 1

  gdb_test "python print len(fields)" "2" "Check number of fields"

  gdb_test "python print fields\[0\].name" "a" "Check structure field a name"

  gdb_test "python print fields\[1\].name" "b" "Check structure field b name"

  # Test regression PR python/10805

  gdb_py_test_silent_cmd "print ar" "print value" 1

  gdb_py_test_silent_cmd "python ar = gdb.history (0)" "get value from  history" 1

  gdb_test "python fields = ar.type.fields()"

  gdb_test "python print len(fields)" "1" "Check the number of fields"

  gdb_test "python print fields\[0\].type" "" "Check array field type"

}

proc test_base_class {} {

  gdb_py_test_silent_cmd "print d" "print value" 1

  gdb_py_test_silent_cmd "python d = gdb.history (0)" "get value from  history" 1

  gdb_py_test_silent_cmd "python fields = d.type.fields()" "get value from history" 1

  gdb_test "python print len(fields)" "3" "Check the number of fields"

  gdb_test "python print fields\[0\].is_base_class" "True" "Check base class"

  gdb_test "python print fields\[1\].is_base_class" "False" "Check base class"

}

proc test_range {} {

  # Test a valid range request.

  gdb_py_test_silent_cmd "print ar" "print value" 1

  gdb_py_test_silent_cmd "python ar = gdb.history (0)" "get value from history" 1

  gdb_test "python print len(ar.type.range())" "2" "Check correct tuple length"

  gdb_test "python print ar.type.range()\[0\]" "0" "Check low range"

  gdb_test "python print ar.type.range()\[1\]" "1" "Check high range"

  # Test a range request on a ranged type.

  gdb_py_test_silent_cmd "print ar" "print value" 1

  gdb_py_test_silent_cmd "python ar = gdb.history (0)" "get value from  history" 1

  gdb_py_test_silent_cmd "python fields = ar.type.fields()" "get fields" 1

  gdb_test "python print fields\[0\].type.range()\[0\]" "0" "Check range type low bound"

  gdb_test "python print fields\[0\].type.range()\[1\]" "1" "Check range type high bound"

  # Test where a range does not exist.

  gdb_py_test_silent_cmd "print st" "print value" 1

  gdb_py_test_silent_cmd "python st = gdb.history (0)" "get value from history" 1

  gdb_test "python print st.type.range()" "RuntimeError: This type does not have a range.*" "Check range for non ranged type."

}

# Perform C Tests.

build_inferior "c"

restart_gdb

# Skip all tests if Python scripting is not enabled.

if { [skip_python_tests] } { continue }

runto_bp "break to inspect struct and array."

test_fields "c"

# Perform C++ Tests.

build_inferior "c++"

restart_gdb

runto_bp "break to inspect struct and array."

test_fields "c++"

test_base_class

test_range