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prepare_bindings.py: enable static bindings

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Added a new flag, --allow-static-binding.  When specified,
if (and only if) the swig binary cannot be found, then the
LLDBWrapPython.cpp and lldb.py from the
scripts/Python/{static-binding-dir} are copied into the place where
swig would have generated them.

{static-binding-dir} defaults to static-binding, and can be
overridden with the --static-binding-dir command line argument.

The static bindings checked in are from r253424.

llvm-svn: 253448
This commit is contained in:
Todd Fiala
2015-11-18 08:52:33 +00:00
parent 5574730454
commit d434a1d3e0
5 changed files with 83996 additions and 20 deletions
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57
lldb/scripts/Python/prepare_binding_Python.py
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@@ -251,6 +251,42 @@ def do_swig_rebuild(options, dependency_file, config_build_dir, settings):
sys.exit(-10)
def copy_static_bindings(options, config_build_dir, settings):
"""Copies the static Python bindings over to the build dir.
"""
# Copy the LLDBWrapPython.cpp C++ binding file impl over.
lldb_wrap_python_src_path = os.path.join(
options.src_root,
"scripts",
"Python",
options.static_binding_dir,
"LLDBWrapPython.cpp")
if not os.path.exists(lldb_wrap_python_src_path):
logging.error(
"failed to find static Python binding .cpp file at '%s'",
lldb_wrap_python_src_path)
sys.exit(-12)
shutil.copyfile(lldb_wrap_python_src_path, settings.output_file)
# Copy the lldb.py impl over.
lldb_py_src_path = os.path.join(
options.src_root,
"scripts",
"Python",
options.static_binding_dir,
"lldb.py")
if not os.path.exists(lldb_py_src_path):
logging.error(
"failed to find static Python binding .py file at '%s'",
lldb_py_src_path)
sys.exit(-13)
lldb_py_dest_path = os.path.join(
os.path.dirname(settings.output_file),
"lldb.py")
shutil.copyfile(lldb_py_src_path, lldb_py_dest_path)
def run_python_script(script_and_args):
"""Runs a python script, logging appropriately.
@@ -418,14 +454,21 @@ def main(options):
"Skipping Python binding generation: everything is up to date")
return
# Generate the Python binding with swig.
logging.info("Python binding is out of date, regenerating")
do_swig_rebuild(options, dependency_file, config_build_dir, settings)
if options.generate_dependency_file:
return
# Generate the Python binding with swig, or use the static bindings if no swig.
if not options.swig_executable or not os.path.exists(options.swig_executable):
# Copy over the static bindings. We capture the the modified (i.e. post-processed)
# binding, so we don't do the modify step here - the modifications have
# already been applied.
copy_static_bindings(options, config_build_dir, settings)
else:
# Generate the bindings with swig.
logging.info("Python binding is out of date, regenerating")
do_swig_rebuild(options, dependency_file, config_build_dir, settings)
if options.generate_dependency_file:
return
# Post process the swig-generated file.
do_modify_python_lldb(options, config_build_dir)
# Post process the swig-generated file.
do_modify_python_lldb(options, config_build_dir)
# This script can be called by another Python script by calling the main()