Ben Cheng | a261d38 | 2014-04-30 14:57:59 -0700 | [diff] [blame] | 1 | # Copyright (C) 2010-2014 Free Software Foundation, Inc. |
Ben Cheng | d040695 | 2014-02-21 15:59:24 -0800 | [diff] [blame] | 2 | |
| 3 | # This program is free software; you can redistribute it and/or modify |
| 4 | # it under the terms of the GNU General Public License as published by |
| 5 | # the Free Software Foundation; either version 3 of the License, or |
| 6 | # (at your option) any later version. |
| 7 | # |
| 8 | # This program is distributed in the hope that it will be useful, |
| 9 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | # GNU General Public License for more details. |
| 12 | # |
| 13 | # You should have received a copy of the GNU General Public License |
| 14 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 15 | |
| 16 | import traceback |
| 17 | import os |
| 18 | import sys |
| 19 | import _gdb |
| 20 | |
| 21 | if sys.version_info[0] > 2: |
| 22 | # Python 3 moved "reload" |
| 23 | from imp import reload |
| 24 | |
| 25 | from _gdb import * |
| 26 | |
| 27 | class _GdbFile (object): |
| 28 | # These two are needed in Python 3 |
| 29 | encoding = "UTF-8" |
| 30 | errors = "strict" |
| 31 | |
| 32 | def close(self): |
| 33 | # Do nothing. |
| 34 | return None |
| 35 | |
| 36 | def isatty(self): |
| 37 | return False |
| 38 | |
| 39 | def writelines(self, iterable): |
| 40 | for line in iterable: |
| 41 | self.write(line) |
| 42 | |
| 43 | def flush(self): |
| 44 | flush() |
| 45 | |
| 46 | class GdbOutputFile (_GdbFile): |
| 47 | def write(self, s): |
| 48 | write(s, stream=STDOUT) |
| 49 | |
| 50 | sys.stdout = GdbOutputFile() |
| 51 | |
| 52 | class GdbOutputErrorFile (_GdbFile): |
| 53 | def write(self, s): |
| 54 | write(s, stream=STDERR) |
| 55 | |
| 56 | sys.stderr = GdbOutputErrorFile() |
| 57 | |
| 58 | # Default prompt hook does nothing. |
| 59 | prompt_hook = None |
| 60 | |
| 61 | # Ensure that sys.argv is set to something. |
| 62 | # We do not use PySys_SetArgvEx because it did not appear until 2.6.6. |
| 63 | sys.argv = [''] |
| 64 | |
| 65 | # Initial pretty printers. |
| 66 | pretty_printers = [] |
| 67 | |
| 68 | # Initial type printers. |
| 69 | type_printers = [] |
Ben Cheng | a261d38 | 2014-04-30 14:57:59 -0700 | [diff] [blame] | 70 | # Initial frame filters. |
| 71 | frame_filters = {} |
Ben Cheng | d040695 | 2014-02-21 15:59:24 -0800 | [diff] [blame] | 72 | |
| 73 | # Convenience variable to GDB's python directory |
| 74 | PYTHONDIR = os.path.dirname(os.path.dirname(__file__)) |
| 75 | |
| 76 | # Auto-load all functions/commands. |
| 77 | |
| 78 | # Packages to auto-load. |
| 79 | |
| 80 | packages = [ |
| 81 | 'function', |
| 82 | 'command' |
| 83 | ] |
| 84 | |
| 85 | # pkgutil.iter_modules is not available prior to Python 2.6. Instead, |
| 86 | # manually iterate the list, collating the Python files in each module |
| 87 | # path. Construct the module name, and import. |
| 88 | |
| 89 | def auto_load_packages(): |
| 90 | for package in packages: |
| 91 | location = os.path.join(os.path.dirname(__file__), package) |
| 92 | if os.path.exists(location): |
| 93 | py_files = filter(lambda x: x.endswith('.py') |
| 94 | and x != '__init__.py', |
| 95 | os.listdir(location)) |
| 96 | |
| 97 | for py_file in py_files: |
| 98 | # Construct from foo.py, gdb.module.foo |
| 99 | modname = "%s.%s.%s" % ( __name__, package, py_file[:-3] ) |
| 100 | try: |
| 101 | if modname in sys.modules: |
| 102 | # reload modules with duplicate names |
| 103 | reload(__import__(modname)) |
| 104 | else: |
| 105 | __import__(modname) |
| 106 | except: |
| 107 | sys.stderr.write (traceback.format_exc() + "\n") |
| 108 | |
| 109 | auto_load_packages() |
| 110 | |
| 111 | def GdbSetPythonDirectory(dir): |
| 112 | """Update sys.path, reload gdb and auto-load packages.""" |
| 113 | global PYTHONDIR |
| 114 | |
| 115 | try: |
| 116 | sys.path.remove(PYTHONDIR) |
| 117 | except ValueError: |
| 118 | pass |
| 119 | sys.path.insert(0, dir) |
| 120 | |
| 121 | PYTHONDIR = dir |
| 122 | |
| 123 | # note that reload overwrites the gdb module without deleting existing |
| 124 | # attributes |
| 125 | reload(__import__(__name__)) |
| 126 | auto_load_packages() |