diff options
Diffstat (limited to 'utils/vim-lldb/python-vim-lldb/import_lldb.py')
-rw-r--r-- | utils/vim-lldb/python-vim-lldb/import_lldb.py | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/utils/vim-lldb/python-vim-lldb/import_lldb.py b/utils/vim-lldb/python-vim-lldb/import_lldb.py new file mode 100644 index 000000000000..a2145d504661 --- /dev/null +++ b/utils/vim-lldb/python-vim-lldb/import_lldb.py @@ -0,0 +1,61 @@ + +# Locate and load the lldb python module + +import os, sys + +def import_lldb(): + """ Find and import the lldb modules. This function tries to find the lldb module by: + 1. Simply by doing "import lldb" in case the system python installation is aware of lldb. If that fails, + 2. Executes the lldb executable pointed to by the LLDB environment variable (or if unset, the first lldb + on PATH") with the -P flag to determine the PYTHONPATH to set. If the lldb executable returns a valid + path, it is added to sys.path and the import is attempted again. If that fails, 3. On Mac OS X the + default Xcode 4.5 installation path. + """ + + # Try simple 'import lldb', in case of a system-wide install or a pre-configured PYTHONPATH + try: + import lldb + return True + except ImportError: + pass + + # Allow overriding default path to lldb executable with the LLDB environment variable + lldb_executable = 'lldb' + if 'LLDB' in os.environ and os.path.exists(os.environ['LLDB']): + lldb_executable = os.environ['LLDB'] + + # Try using builtin module location support ('lldb -P') + from subprocess import check_output, CalledProcessError + try: + with open(os.devnull, 'w') as fnull: + lldb_minus_p_path = check_output("%s -P" % lldb_executable, shell=True, stderr=fnull).strip() + if not os.path.exists(lldb_minus_p_path): + #lldb -P returned invalid path, probably too old + pass + else: + sys.path.append(lldb_minus_p_path) + import lldb + return True + except CalledProcessError: + # Cannot run 'lldb -P' to determine location of lldb python module + pass + except ImportError: + # Unable to import lldb module from path returned by `lldb -P` + pass + + # On Mac OS X, use the try the default path to XCode lldb module + if "darwin" in sys.platform: + xcode_python_path = "/Applications/Xcode.app/Contents/SharedFrameworks/LLDB.framework/Versions/Current/Resources/Python/" + sys.path.append(xcode_python_path) + try: + import lldb + return True + except ImportError: + # Unable to import lldb module from default Xcode python path + pass + + return False + +if not import_lldb(): + import vim + vim.command('redraw | echo "%s"' % " Error loading lldb module; vim-lldb will be disabled. Check LLDB installation or set LLDB environment variable.") |