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Diffstat (limited to 'jam-files/boost-build/util/__init__.py')
-rw-r--r-- | jam-files/boost-build/util/__init__.py | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/jam-files/boost-build/util/__init__.py b/jam-files/boost-build/util/__init__.py deleted file mode 100644 index f80fe70e..00000000 --- a/jam-files/boost-build/util/__init__.py +++ /dev/null @@ -1,136 +0,0 @@ - -import bjam -import re -import types - -# Decorator the specifies bjam-side prototype for a Python function -def bjam_signature(s): - - def wrap(f): - f.bjam_signature = s - return f - - return wrap - -def metatarget(f): - - f.bjam_signature = (["name"], ["sources", "*"], ["requirements", "*"], - ["default_build", "*"], ["usage_requirements", "*"]) - return f - -class cached(object): - - def __init__(self, function): - self.function = function - self.cache = {} - - def __call__(self, *args): - try: - return self.cache[args] - except KeyError: - v = self.function(*args) - self.cache[args] = v - return v - - def __get__(self, instance, type): - return types.MethodType(self, instance, type) - -def unquote(s): - if s and s[0] == '"' and s[-1] == '"': - return s[1:-1] - else: - return s - -_extract_jamfile_and_rule = re.compile("(Jamfile<.*>)%(.*)") - -def qualify_jam_action(action_name, context_module): - - if action_name.startswith("###"): - # Callable exported from Python. Don't touch - return action_name - elif _extract_jamfile_and_rule.match(action_name): - # Rule is already in indirect format - return action_name - else: - ix = action_name.find('.') - if ix != -1 and action_name[:ix] == context_module: - return context_module + '%' + action_name[ix+1:] - - return context_module + '%' + action_name - - -def set_jam_action(name, *args): - - m = _extract_jamfile_and_rule.match(name) - if m: - args = ("set-update-action-in-module", m.group(1), m.group(2)) + args - else: - args = ("set-update-action", name) + args - - return bjam.call(*args) - - -def call_jam_function(name, *args): - - m = _extract_jamfile_and_rule.match(name) - if m: - args = ("call-in-module", m.group(1), m.group(2)) + args - return bjam.call(*args) - else: - return bjam.call(*((name,) + args)) - -__value_id = 0 -__python_to_jam = {} -__jam_to_python = {} - -def value_to_jam(value, methods=False): - """Makes a token to refer to a Python value inside Jam language code. - - The token is merely a string that can be passed around in Jam code and - eventually passed back. For example, we might want to pass PropertySet - instance to a tag function and it might eventually call back - to virtual_target.add_suffix_and_prefix, passing the same instance. - - For values that are classes, we'll also make class methods callable - from Jam. - - Note that this is necessary to make a bit more of existing Jamfiles work. - This trick should not be used to much, or else the performance benefits of - Python port will be eaten. - """ - - global __value_id - - r = __python_to_jam.get(value, None) - if r: - return r - - exported_name = '###_' + str(__value_id) - __value_id = __value_id + 1 - __python_to_jam[value] = exported_name - __jam_to_python[exported_name] = value - - if methods and type(value) == types.InstanceType: - for field_name in dir(value): - field = getattr(value, field_name) - if callable(field) and not field_name.startswith("__"): - bjam.import_rule("", exported_name + "." + field_name, field) - - return exported_name - -def record_jam_to_value_mapping(jam_value, python_value): - __jam_to_python[jam_value] = python_value - -def jam_to_value_maybe(jam_value): - - if type(jam_value) == type(""): - return __jam_to_python.get(jam_value, jam_value) - else: - return jam_value - -def stem(filename): - i = filename.find('.') - if i != -1: - return filename[0:i] - else: - return filename |