diff --git a/find-modules/rules_engine.py b/find-modules/rules_engine.py index c9c9d21..955a8eb 100755 --- a/find-modules/rules_engine.py +++ b/find-modules/rules_engine.py @@ -1,982 +1,983 @@ #!/usr/bin/env python #============================================================================= # Copyright 2016 by Shaheed Haque (srhaque@theiet.org) # Copyright 2016 Stephen Kelly # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # # 1. Redistributions of source code must retain the copyright # notice, this list of conditions and the following disclaimer. # 2. Redistributions in binary form must reproduce the copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # 3. The name of the author may not be used to endorse or promote products # derived from this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #============================================================================= """SIP file generation rules engine.""" from __future__ import print_function from abc import * import argparse import gettext import inspect import logging import os import re import sys import textwrap import traceback from copy import deepcopy from clang.cindex import CursorKind from clang.cindex import AccessSpecifier class HelpFormatter(argparse.ArgumentDefaultsHelpFormatter, argparse.RawDescriptionHelpFormatter): pass logger = logging.getLogger(__name__) gettext.install(__name__) _SEPARATOR = "\x00" def _parents(container): parents = [] parent = container.semantic_parent while parent and parent.kind != CursorKind.TRANSLATION_UNIT: parents.append(parent.spelling) parent = parent.semantic_parent if parents: parents = "::".join(reversed(parents)) else: parents = os.path.basename(container.translation_unit.spelling) return parents class Rule(object): def __init__(self, db, rule_number, fn, pattern_zip): # # Derive a useful name for diagnostic purposes. # caller = os.path.basename(inspect.stack()[3][1]) self.name = "{}:{}[{}],{}".format(caller, type(db).__name__, rule_number, fn.__name__) self.rule_number = rule_number self.fn = fn self.usage = 0 try: groups = ["(?P<{}>{})".format(name, pattern) for pattern, name in pattern_zip] groups = _SEPARATOR.join(groups) self.matcher = re.compile(groups) except Exception as e: groups = ["{} '{}'".format(name, pattern) for pattern, name in pattern_zip] groups = ", ".join(groups) raise RuntimeError(_("Bad {}: {}: {}").format(self, groups, e)) def match(self, candidate): return self.matcher.match(candidate) def trace_result(self, parents, item, original, modified): """ Record any modification both in the log and the returned result. If a rule fired, but caused no modification, that is logged. :return: Modifying rule or None. """ fqn = parents + "::" + original["name"] + "[" + str(item.extent.start.line) + "]" return self._trace_result(fqn, original, modified) def _trace_result(self, fqn, original, modified): """ Record any modification both in the log and the returned result. If a rule fired, but caused no modification, that is logged. :return: Modifying rule or None. """ if not modified["name"]: logger.debug(_("Rule {} suppressed {}, {}").format(self, fqn, original)) else: delta = False for k, v in original.iteritems(): if v != modified[k]: delta = True break if delta: logger.debug(_("Rule {} modified {}, {}->{}").format(self, fqn, original, modified)) else: logger.warn(_("Rule {} did not modify {}, {}").format(self, fqn, original)) return None return self def __str__(self): return self.name class AbstractCompiledRuleDb(object): __metaclass__ = ABCMeta def __init__(self, db, parameter_names): self.db = db self.compiled_rules = [] for i, raw_rule in enumerate(db()): if len(raw_rule) != len(parameter_names) + 1: raise RuntimeError(_("Bad raw rule {}: {}: {}").format(db.__name__, raw_rule, parameter_names)) z = zip(raw_rule[:-1], parameter_names) self.compiled_rules.append(Rule(self, i, raw_rule[-1], z)) self.candidate_formatter = _SEPARATOR.join(["{}"] * len(parameter_names)) def _match(self, *args): candidate = self.candidate_formatter.format(*args) for rule in self.compiled_rules: matcher = rule.match(candidate) if matcher: # # Only use the first matching rule. # rule.usage += 1 return matcher, rule return None, None @abstractmethod def apply(self, *args): raise NotImplemented(_("Missing subclass")) def dump_usage(self, fn): """ Dump the usage counts.""" for rule in self.compiled_rules: fn(str(rule), rule.usage) class ContainerRuleDb(AbstractCompiledRuleDb): """ THE RULES FOR CONTAINERS. These are used to customise the behaviour of the SIP generator by allowing the declaration for any container (class, namespace, struct, union) to be customised, for example to add SIP compiler annotations. Each entry in the raw rule database must be a list with members as follows: 0. A regular expression which matches the fully-qualified name of the "container" enclosing the container. 1. A regular expression which matches the container name. 2. A regular expression which matches any template parameters. 3. A regular expression which matches the container declaration. 4. A regular expression which matches any base specifiers. 5. A function. In use, the database is walked in order from the first entry. If the regular expressions are matched, the function is called, and no further entries are walked. The function is called with the following contract: def container_xxx(container, sip, matcher): ''' Return a modified declaration for the given container. :param container: The clang.cindex.Cursor for the container. :param sip: A dict with the following keys: name The name of the container. template_parameters Any template parameters. decl The declaration. base_specifiers Any base specifiers. body The body, less the outer pair of braces. annotations Any SIP annotations. :param matcher: The re.Match object. This contains named groups corresponding to the key names above EXCEPT body and annotations. :return: An updated set of sip.xxx values. Setting sip.name to the empty string will cause the container to be suppressed. ''' :return: The compiled form of the rules. """ def __init__(self, db): super(ContainerRuleDb, self).__init__(db, ["parents", "container", "template_parameters", "decl", "base_specifiers"]) def apply(self, container, sip): """ Walk over the rules database for containers, applying the first matching transformation. :param container: The clang.cindex.Cursor for the container. :param sip: The SIP dict (may be modified on return). :return: Modifying rule or None (even if a rule matched, it may not modify things). """ parents = _parents(container) matcher, rule = self._match(parents, sip["name"], ", ".join(sip["template_parameters"]), sip["decl"], ", ".join(sip["base_specifiers"])) if matcher: before = deepcopy(sip) rule.fn(container, sip, matcher) return rule.trace_result(parents, container, before, sip) return None class ForwardDeclarationRuleDb(AbstractCompiledRuleDb): """ THE RULES FOR FORWARD DECLARATIONS. These are used to customise the behaviour of the SIP generator by allowing the forward declaration for any container (class, struct, union) to be customised, for example to add SIP compiler annotations. Each entry in the raw rule database must be a list with members as follows: 0. A regular expression which matches the fully-qualified name of the "container" enclosing the container. 1. A regular expression which matches the container name. 2. A regular expression which matches any template parameters. 3. A function. In use, the database is walked in order from the first entry. If the regular expressions are matched, the function is called, and no further entries are walked. The function is called with the following contract: def declaration_xxx(container, sip, matcher): ''' Return a modified declaration for the given container. :param container: The clang.cindex.Cursor for the container. :param sip: A dict with the following keys: name The name of the container. template_parameters Any template parameters. annotations Any SIP annotations. :param matcher: The re.Match object. This contains named groups corresponding to the key names above EXCEPT body and annotations. :return: An updated set of sip.xxx values. Setting sip.name to the empty string will cause the container to be suppressed. ''' :return: The compiled form of the rules. """ def __init__(self, db): super(ForwardDeclarationRuleDb, self).__init__(db, ["parents", "container", "template_parameters"]) def apply(self, container, sip): """ Walk over the rules database for containers, applying the first matching transformation. :param container: The clang.cindex.Cursor for the container. :param sip: The SIP dict (may be modified on return). :return: Modifying rule or None (even if a rule matched, it may not modify things). """ parents = _parents(container) matcher, rule = self._match(parents, sip["name"], ", ".join(sip["template_parameters"])) if matcher: before = deepcopy(sip) rule.fn(container, sip, matcher) return rule.trace_result(parents, container, before, sip) return None class FunctionRuleDb(AbstractCompiledRuleDb): """ THE RULES FOR FUNCTIONS. These are used to customise the behaviour of the SIP generator by allowing the declaration for any function to be customised, for example to add SIP compiler annotations. Each entry in the raw rule database must be a list with members as follows: 0. A regular expression which matches the fully-qualified name of the "container" enclosing the function. 1. A regular expression which matches the function name. 2. A regular expression which matches any template parameters. 3. A regular expression which matches the function result. 4. A regular expression which matches the function parameters (e.g. "int a, void *b" for "int foo(int a, void *b)"). 5. A function. In use, the database is walked in order from the first entry. If the regular expressions are matched, the function is called, and no further entries are walked. The function is called with the following contract: def function_xxx(container, function, sip, matcher): ''' Return a modified declaration for the given function. :param container: The clang.cindex.Cursor for the container. :param function: The clang.cindex.Cursor for the function. :param sip: A dict with the following keys: name The name of the function. template_parameters Any template parameters. fn_result Result, if not a constructor. decl The declaration. prefix Leading keyworks ("static"). Separated by space, ends with a space. suffix Trailing keywords ("const"). Separated by space, starts with space. annotations Any SIP annotations. :param matcher: The re.Match object. This contains named groups corresponding to the key names above EXCEPT annotations. :return: An updated set of sip.xxx values. Setting sip.name to the empty string will cause the container to be suppressed. ''' :return: The compiled form of the rules. """ def __init__(self, db): super(FunctionRuleDb, self).__init__(db, ["container", "function", "template_parameters", "fn_result", "parameters"]) def apply(self, container, function, sip): """ Walk over the rules database for functions, applying the first matching transformation. :param container: The clang.cindex.Cursor for the container. :param function: The clang.cindex.Cursor for the function. :param sip: The SIP dict (may be modified on return). :return: Modifying rule or None (even if a rule matched, it may not modify things). """ parents = _parents(function) matcher, rule = self._match(parents, sip["name"], ", ".join(sip["template_parameters"]), sip["fn_result"], ", ".join(sip["parameters"])) if matcher: sip.setdefault("code", "") before = deepcopy(sip) rule.fn(container, function, sip, matcher) return rule.trace_result(parents, function, before, sip) return None class ParameterRuleDb(AbstractCompiledRuleDb): """ THE RULES FOR FUNCTION PARAMETERS. These are used to customise the behaviour of the SIP generator by allowing the declaration for any parameter in any function to be customised, for example to add SIP compiler annotations. Each entry in the raw rule database must be a list with members as follows: 0. A regular expression which matches the fully-qualified name of the "container" enclosing the function enclosing the parameter. 1. A regular expression which matches the function name enclosing the parameter. 2. A regular expression which matches the parameter name. 3. A regular expression which matches the parameter declaration (e.g. "int foo"). 4. A regular expression which matches the parameter initialiser (e.g. "Xyz:MYCONST + 42"). 5. A function. In use, the database is walked in order from the first entry. If the regular expressions are matched, the function is called, and no further entries are walked. The function is called with the following contract: def parameter_xxx(container, function, parameter, sip, init, matcher): ''' Return a modified declaration and initialiser for the given parameter. :param container: The clang.cindex.Cursor for the container. :param function: The clang.cindex.Cursor for the function. :param parameter: The clang.cindex.Cursor for the parameter. :param sip: A dict with the following keys: name The name of the function. decl The declaration. init Any initialiser. annotations Any SIP annotations. :param matcher: The re.Match object. This contains named groups corresponding to the key names above EXCEPT annotations. :return: An updated set of sip.xxx values. ''' :return: The compiled form of the rules. """ def __init__(self, db): super(ParameterRuleDb, self).__init__(db, ["container", "function", "parameter", "decl", "init"]) def apply(self, container, function, parameter, sip): """ Walk over the rules database for parameters, applying the first matching transformation. :param container: The clang.cindex.Cursor for the container. :param function: The clang.cindex.Cursor for the function. :param parameter: The clang.cindex.Cursor for the parameter. :param sip: The SIP dict (may be modified on return). :return: Modifying rule or None (even if a rule matched, it may not modify things). """ parents = _parents(function) matcher, rule = self._match(parents, function.spelling, sip["name"], sip["decl"], sip["init"]) if matcher: sip.setdefault("code", "") before = deepcopy(sip) rule.fn(container, function, parameter, sip, matcher) return rule.trace_result(parents, parameter, before, sip) return None class TypedefRuleDb(AbstractCompiledRuleDb): """ THE RULES FOR TYPEDEFS. These are used to customise the behaviour of the SIP generator by allowing the declaration for any typedef to be customised, for example to add SIP compiler annotations. Each entry in the raw rule database must be a list with members as follows: 0. A regular expression which matches the fully-qualified name of the "container" enclosing the typedef. 1. A regular expression which matches the typedef name. 2. A function. In use, the database is walked in order from the first entry. If the regular expressions are matched, the function is called, and no further entries are walked. The function is called with the following contract: def typedef_xxx(container, typedef, sip, matcher): ''' Return a modified declaration for the given function. :param container: The clang.cindex.Cursor for the container. :param typedef: The clang.cindex.Cursor for the typedef. :param sip: A dict with the following keys: name The name of the typedef. annotations Any SIP annotations. :param matcher: The re.Match object. This contains named groups corresponding to the key names above EXCEPT annotations. :return: An updated set of sip.xxx values. Setting sip.name to the empty string will cause the container to be suppressed. ''' :return: The compiled form of the rules. """ def __init__(self, db): super(TypedefRuleDb, self).__init__(db, ["container", "typedef"]) def apply(self, container, typedef, sip): """ Walk over the rules database for typedefs, applying the first matching transformation. :param container: The clang.cindex.Cursor for the container. :param typedef: The clang.cindex.Cursor for the typedef. :param sip: The SIP dict. """ parents = _parents(typedef) matcher, rule = self._match(parents, sip["name"]) if matcher: before = deepcopy(sip) rule.fn(container, typedef, sip, matcher) return rule.trace_result(parents, typedef, before, sip) return None class VariableRuleDb(AbstractCompiledRuleDb): """ THE RULES FOR VARIABLES. These are used to customise the behaviour of the SIP generator by allowing the declaration for any variable to be customised, for example to add SIP compiler annotations. Each entry in the raw rule database must be a list with members as follows: 0. A regular expression which matches the fully-qualified name of the "container" enclosing the variable. 1. A regular expression which matches the variable name. 2. A regular expression which matches the variable declaration (e.g. "int foo"). 3. A function. In use, the database is walked in order from the first entry. If the regular expressions are matched, the function is called, and no further entries are walked. The function is called with the following contract: def variable_xxx(container, variable, sip, matcher): ''' Return a modified declaration for the given variable. :param container: The clang.cindex.Cursor for the container. :param variable: The clang.cindex.Cursor for the variable. :param sip: A dict with the following keys: name The name of the variable. decl The declaration. annotations Any SIP annotations. :param matcher: The re.Match object. This contains named groups corresponding to the key names above EXCEPT annotations. :return: An updated set of sip.xxx values. Setting sip.name to the empty string will cause the container to be suppressed. ''' :return: The compiled form of the rules. """ def __init__(self, db): super(VariableRuleDb, self).__init__(db, ["container", "variable", "decl"]) def apply(self, container, variable, sip): """ Walk over the rules database for variables, applying the first matching transformation. :param container: The clang.cindex.Cursor for the container. :param variable: The clang.cindex.Cursor for the variable. :param sip: The SIP dict (may be modified on return). :return: Modifying rule or None (even if a rule matched, it may not modify things). """ parents = _parents(variable) matcher, rule = self._match(parents, sip["name"], sip["decl"]) if matcher: sip.setdefault("code", "") before = deepcopy(sip) rule.fn(container, variable, sip, matcher) return rule.trace_result(parents, variable, before, sip) return None class AbstractCompiledCodeDb(object): __metaclass__ = ABCMeta def __init__(self, db): caller = os.path.basename(inspect.stack()[2][1]) self.name = "{}:{}".format(caller, type(self).__name__) self.db = db @abstractmethod def apply(self, function, sip): raise NotImplemented(_("Missing subclass")) def trace_result(self, parents, item, original, modified): """ Record any modification both in the log and the returned result. If a rule fired, but caused no modification, that is logged. :return: Modifying rule or None. """ fqn = parents + "::" + original["name"] + "[" + str(item.extent.start.line) + "]" self._trace_result(fqn, original, modified) def _trace_result(self, fqn, original, modified): """ Record any modification both in the log and the returned result. If a rule fired, but caused no modification, that is logged. :return: Modifying rule or None. """ if not modified["name"]: logger.debug(_("Rule {} suppressed {}, {}").format(self, fqn, original)) else: delta = False for k, v in original.iteritems(): if v != modified[k]: delta = True break if delta: logger.debug(_("Rule {} modified {}, {}->{}").format(self, fqn, original, modified)) else: logger.warn(_("Rule {} did not modify {}, {}").format(self, fqn, original)) return None return self @abstractmethod def dump_usage(self, fn): raise NotImplemented(_("Missing subclass")) def __str__(self): return self.name class MethodCodeDb(AbstractCompiledCodeDb): """ THE RULES FOR INJECTING METHOD-RELATED CODE (such as %MethodCode, %VirtualCatcherCode, %VirtualCallCode and other method-level directives). These are used to customise the behaviour of the SIP generator by allowing method-level code injection. The raw rule database must be an outer dictionary as follows: 0. Each key is the fully-qualified name of a "container" enclosing methods. 1. Each value is an inner dictionary, each of whose keys is the name of a method. Each inner dictionary has entries which update the declaration as follows: "parameters": Optional list. If present, update the argument list. "fn_result": Optional string. If present, update the return type. "code": Required. Either a string, with the %XXXCode content, or a callable. In use, the database is directly indexed by "container" and then method name. If "code" entry is a string, then the other optional keys are interpreted as above. If "code" is a callable, it is called with the following contract: def methodcode_xxx(function, sip, entry): ''' Return a modified declaration for the given function. :param function: The clang.cindex.Cursor for the function. :param sip: A dict with keys as for function rules and (string) "code" keys described above. :param entry: The inner dictionary entry. :return: An updated set of sip.xxx values. ''' :return: The compiled form of the rules. """ __metaclass__ = ABCMeta def __init__(self, db): super(MethodCodeDb, self).__init__(db) for k, v in self.db.items(): for l in v.keys(): v[l]["usage"] = 0 def _get(self, item, name): parents = _parents(item) entries = self.db.get(parents, None) if not entries: return None entry = entries.get(name, None) if not entry: return None entry["usage"] += 1 return entry def apply(self, function, sip): """ Walk over the code database for functions, applying the first matching transformation. :param function: The clang.cindex.Cursor for the function. :param sip: The SIP dict (may be modified on return). :return: Modifying rule or None (even if a rule matched, it may not modify things). """ entry = self._get(function, sip["name"]) sip.setdefault("code", "") if entry: before = deepcopy(sip) if callable(entry["code"]): fn = entry["code"] fn_file = os.path.basename(inspect.getfile(fn)) trace = "// Generated (by {}:{}): {}\n".format(fn_file, fn.__name__, {k:v for (k,v) in entry.items() if k != "code"}) fn(function, sip, entry) else: trace = "// Inserted (by {}:{}): {}\n".format(_parents(function), function.spelling, {k:v for (k,v) in entry.items() if k != "code"}) sip["code"] = entry["code"] sip["parameters"] = entry.get("parameters", sip["parameters"]) sip["fn_result"] = entry.get("fn_result", sip["fn_result"]) # # Fetch/format the code. # sip["code"] = trace + textwrap.dedent(sip["code"]).strip() + "\n" return self.trace_result(_parents(function), function, before, sip) return None def dump_usage(self, fn): """ Dump the usage counts.""" for k in sorted(self.db.keys()): vk = self.db[k] for l in sorted(vk.keys()): vl = vk[l] fn(str(self) + " for " + k + "," + l, vl["usage"]) class ModuleCodeDb(AbstractCompiledCodeDb): """ THE RULES FOR INJECTING MODULE-RELATED CODE (such as %ExportedHeaderCode, %ModuleCode, %ModuleHeaderCode or other module-level directives). These are used to customise the behaviour of the SIP generator by allowing module-level code injection. The raw rule database must be a dictionary as follows: 0. Each key is the basenanme of a module file. 1. Each value has entries which update the declaration as follows: "code": Required. Either a string, with the %XXXCode content, or a callable. If "code" is a callable, it is called with the following contract: def module_xxx(filename, sip, entry): ''' Return a string to insert for the file. :param filename: The filename. :param sip: A dict with the key "name" for the module name plus the "code" key described above. :param entry: The dictionary entry. :return: A string. ''' :return: The compiled form of the rules. """ __metaclass__ = ABCMeta def __init__(self, db): super(ModuleCodeDb, self).__init__(db) # # Add a usage count for each item in the database. # for k, v in self.db.items(): v["usage"] = 0 def _get(self, filename): # # Lookup for an actual hit. # entry = self.db.get(filename, None) if not entry: return None entry["usage"] += 1 return entry def apply(self, filename, sip): entry = self._get(filename) sip.setdefault("code", "") if entry: before = deepcopy(sip) if callable(entry["code"]): fn = entry["code"] fn_file = os.path.basename(inspect.getfile(fn)) trace = "\n// Generated (by {}:{}): {}".format(fn_file, fn.__name__, {k:v for (k,v) in entry.items() if k != "code"}) fn(filename, sip, entry) sip["code"] = trace + sip["code"] else: sip["code"] = entry["code"] # # Fetch/format the code. # sip["code"] = textwrap.dedent(sip["code"]).strip() + "\n" fqn = filename + "::" + before["name"] self._trace_result(fqn, before, sip) def dump_usage(self, fn): """ Dump the usage counts.""" for k in sorted(self.db.keys()): v = self.db[k] fn(str(self) + " for " + k, v["usage"]) class RuleSet(object): """ To implement your own binding, create a subclass of RuleSet, also called RuleSet in your own Python module. Your subclass will expose the raw rules along with other ancilliary data exposed through the subclass methods. You then simply run the SIP generation and SIP compilation programs passing in the name of your rules file """ __metaclass__ = ABCMeta @abstractmethod def container_rules(self): """ Return a compiled list of rules for containers. :return: A ContainerRuleDb instance """ raise NotImplemented(_("Missing subclass implementation")) @abstractmethod def forward_declaration_rules(self): """ Return a compiled list of rules for containers. :return: A ForwardDeclarationRuleDb instance """ raise NotImplemented(_("Missing subclass implementation")) @abstractmethod def function_rules(self): """ Return a compiled list of rules for functions. :return: A FunctionRuleDb instance """ raise NotImplemented(_("Missing subclass implementation")) @abstractmethod def parameter_rules(self): """ Return a compiled list of rules for function parameters. :return: A ParameterRuleDb instance """ raise NotImplemented(_("Missing subclass implementation")) @abstractmethod def typedef_rules(self): """ Return a compiled list of rules for typedefs. :return: A TypedefRuleDb instance """ raise NotImplemented(_("Missing subclass implementation")) @abstractmethod def variable_rules(self): """ Return a compiled list of rules for variables. :return: A VariableRuleDb instance """ raise NotImplemented(_("Missing subclass implementation")) @abstractmethod def methodcode_rules(self): """ Return a compiled list of rules for method-related code. :return: A MethodCodeDb instance """ raise NotImplemented(_("Missing subclass implementation")) @abstractmethod def modulecode_rules(self): """ Return a compiled list of rules for module-related code. :return: A ModuleCodeDb instance """ raise NotImplemented(_("Missing subclass implementation")) def dump_unused(self): """Usage statistics, to identify unused rules.""" def dumper(rule, usage): if usage: logger.info(_("Rule {} used {} times".format(rule, usage))) else: logger.warn(_("Rule {} was not used".format(rule))) - for db in [self.container_rules(), self.function_rules(), self.parameter_rules(), self.typedef_rules(), + for db in [self.container_rules(), self.forward_declaration_rules(), self.function_rules(), + self.parameter_rules(), self.typedef_rules(), self.variable_rules(), self.methodcode_rules(), self.modulecode_rules()]: db.dump_usage(dumper) @abstractmethod def methodcode(self, container, function): """ Lookup %MethodCode. """ raise NotImplemented(_("Missing subclass implementation")) @abstractmethod def modulecode(self, filename): """ Lookup %ModuleCode and friends. """ raise NotImplemented(_("Missing subclass implementation")) def container_discard(container, sip, matcher): sip["name"] = "" def function_discard(container, function, sip, matcher): sip["name"] = "" def parameter_transfer_to_parent(container, function, parameter, sip, matcher): if function.is_static_method(): sip["annotations"].add("Transfer") else: sip["annotations"].add("TransferThis") def param_rewrite_mode_t_as_int(container, function, parameter, sip, matcher): sip["decl"] = sip["decl"].replace("mode_t", "unsigned int") def return_rewrite_mode_t_as_int(container, function, sip, matcher): sip["fn_result"] = "unsigned int" def variable_discard(container, variable, sip, matcher): sip["name"] = "" def parameter_strip_class_enum(container, function, parameter, sip, matcher): sip["decl"] = sip["decl"].replace("class ", "").replace("enum ", "") def function_discard_impl(container, function, sip, matcher): if function.extent.start.column == 1: sip["name"] = "" def typedef_discard(container, typedef, sip, matcher): sip["name"] = "" def discard_QSharedData_base(container, sip, matcher): sip["base_specifiers"].remove("QSharedData") def mark_forward_declaration_external(container, sip, matcher): sip["annotations"].add("External") def container_mark_abstract(container, sip, matcher): sip["annotations"].add("Abstract") def rules(project_rules): """ Constructor. :param project_rules: The rules file for the project. """ import imp imp.load_source("project_rules", project_rules) # # Statically prepare the rule logic. This takes the rules provided by the user and turns them into code. # return getattr(sys.modules["project_rules"], "RuleSet")()