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author | Jinkun Jang <jinkun.jang@samsung.com> | 2013-03-13 02:21:24 +0900 |
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committer | Jinkun Jang <jinkun.jang@samsung.com> | 2013-03-13 02:21:24 +0900 |
commit | c6b9e84f2f7f8c85939a8e5ff5d8a5aa067cecf3 (patch) | |
tree | 1436172370a45714687122f914354ad167a2f528 /codegen/override.py | |
parent | f7d643cbb2184346b6f8d26091eb7eb38c6bbfe1 (diff) | |
download | pygobject2-c6b9e84f2f7f8c85939a8e5ff5d8a5aa067cecf3.tar.gz pygobject2-c6b9e84f2f7f8c85939a8e5ff5d8a5aa067cecf3.tar.bz2 pygobject2-c6b9e84f2f7f8c85939a8e5ff5d8a5aa067cecf3.zip |
Tizen 2.1 basesubmit/tizen_2.1/20130425.060530submit/tizen_2.1/20130424.235900submit/tizen/20130517.051955accepted/tizen_2.1/20130425.021253accepted/tizen/20130520.1018302.1b_releasetizen_2.1
Diffstat (limited to 'codegen/override.py')
-rw-r--r-- | codegen/override.py | 285 |
1 files changed, 285 insertions, 0 deletions
diff --git a/codegen/override.py b/codegen/override.py new file mode 100644 index 0000000..bba5e42 --- /dev/null +++ b/codegen/override.py @@ -0,0 +1,285 @@ +# -*- Mode: Python; py-indent-offset: 4 -*- + +# this file contains code for loading up an override file. The override file +# provides implementations of functions where the code generator could not +# do its job correctly. + +import fnmatch +import os +import re +import string +import sys + +def class2cname(klass, method): + c_name = '' + for c in klass: + if c.isupper(): + c_name += '_' + c.lower() + else: + c_name += c + return c_name[1:] + '_' + method + +# import python_type as c_name [for arg_type] +# Last ('for') clause is optional. If present, the type will be +# imported only if given 'arg_type' is registered. +import_pat = re.compile(r'\s*import\s+(\S+)\.([^\s.]+)\s+as\s+(\S+)(\s+for\s+(\S+))?') + +class Overrides: + def __init__(self, filename=None): + self.modulename = None + self.ignores = {} + self.glob_ignores = [] + self.type_ignores = {} + self.overrides = {} + self.overridden = {} + self.kwargs = {} + self.noargs = {} + self.onearg = {} + self.staticmethod = {} + self.classmethod = {} + self.startlines = {} + self.override_attrs = {} + self.override_slots = {} + self.headers = '' + self.body = '' + self.init = '' + self.imports = [] + self.defines = {} + self.functions = {} + self.newstyle_constructors = {} + self.dynamicnamespace = False + if filename: + self.handle_file(filename) + + def handle_file(self, filename): + oldpath = os.getcwd() + + fp = open(filename, 'r') + dirname = os.path.dirname(os.path.abspath(filename)) + + if dirname != oldpath: + os.chdir(dirname) + + # read all the components of the file ... + bufs = [] + startline = 1 + lines = [] + line = fp.readline() + linenum = 1 + while line: + if line == '%%\n' or line == '%%': + if lines: + bufs.append((string.join(lines, ''), startline)) + startline = linenum + 1 + lines = [] + else: + lines.append(line) + line = fp.readline() + linenum = linenum + 1 + if lines: + bufs.append((string.join(lines, ''), startline)) + if not bufs: return + + for buf, startline in bufs: + self.__parse_override(buf, startline, filename) + + os.chdir(oldpath) + + def __parse_override(self, buffer, startline, filename): + pos = string.find(buffer, '\n') + if pos >= 0: + line = buffer[:pos] + rest = buffer[pos+1:] + else: + line = buffer ; rest = '' + words = string.split(line) + command = words[0] + if (command == 'ignore' or + command == 'ignore-' + sys.platform): + "ignore/ignore-platform [functions..]" + for func in words[1:]: + self.ignores[func] = 1 + for func in string.split(rest): + self.ignores[func] = 1 + elif (command == 'ignore-glob' or + command == 'ignore-glob-' + sys.platform): + "ignore-glob/ignore-glob-platform [globs..]" + for func in words[1:]: + self.glob_ignores.append(func) + for func in string.split(rest): + self.glob_ignores.append(func) + elif (command == 'ignore-type' or + command == 'ignore-type-' + sys.platform): + "ignore-type/ignore-type-platform [typenames..]" + for typename in words[1:]: + self.type_ignores[typename] = 1 + for typename in string.split(rest): + self.type_ignores[typename] = 1 + elif command == 'override': + "override function/method [kwargs|noargs|onearg] [staticmethod|classmethod]" + func = words[1] + if 'kwargs' in words[1:]: + self.kwargs[func] = 1 + elif 'noargs' in words[1:]: + self.noargs[func] = 1 + elif 'onearg' in words[1:]: + self.onearg[func] = True + + if 'staticmethod' in words[1:]: + self.staticmethod[func] = True + elif 'classmethod' in words[1:]: + self.classmethod[func] = True + if func in self.overrides: + raise RuntimeError("Function %s is being overridden more than once" % (func,)) + self.overrides[func] = rest + self.startlines[func] = (startline + 1, filename) + elif command == 'override-attr': + "override-slot Class.attr" + attr = words[1] + self.override_attrs[attr] = rest + self.startlines[attr] = (startline + 1, filename) + elif command == 'override-slot': + "override-slot Class.slot" + slot = words[1] + self.override_slots[slot] = rest + self.startlines[slot] = (startline + 1, filename) + elif command == 'headers': + "headers" + self.headers = '%s\n#line %d "%s"\n%s' % \ + (self.headers, startline + 1, filename, rest) + elif command == 'body': + "body" + self.body = '%s\n#line %d "%s"\n%s' % \ + (self.body, startline + 1, filename, rest) + elif command == 'init': + "init" + self.init = '%s\n#line %d "%s"\n%s' % \ + (self.init, startline + 1, filename, rest) + elif command == 'modulename': + "modulename name" + self.modulename = words[1] + elif command == 'include': + "include filename" + for filename in words[1:]: + self.handle_file(filename) + for filename in string.split(rest): + self.handle_file(filename) + elif command == 'import': + "import module1 [\n module2, \n module3 ...]" + for line in string.split(buffer, '\n'): + match = import_pat.match(line) + if match: + module, pyname, cname, conditional, importing_for = match.groups() + self.imports.append((module, pyname, cname, importing_for or None)) + elif command == 'define': + "define funcname [kwargs|noargs|onearg] [classmethod|staticmethod]" + "define Class.method [kwargs|noargs|onearg] [classmethod|staticmethod]" + func = words[1] + klass = None + if func.find('.') != -1: + klass, func = func.split('.', 1) + + if not self.defines.has_key(klass): + self.defines[klass] = {} + self.defines[klass][func] = rest + else: + self.functions[func] = rest + + if 'kwargs' in words[1:]: + self.kwargs[func] = 1 + elif 'noargs' in words[1:]: + self.noargs[func] = 1 + elif 'onearg' in words[1:]: + self.onearg[func] = 1 + + if 'staticmethod' in words[1:]: + self.staticmethod[func] = True + elif 'classmethod' in words[1:]: + self.classmethod[func] = True + + self.startlines[func] = (startline + 1, filename) + + elif command == 'new-constructor': + "new-constructor GType" + gtype, = words[1:] + self.newstyle_constructors[gtype] = True + elif command == 'options': + for option in words[1:]: + if option == 'dynamicnamespace': + self.dynamicnamespace = True + + def is_ignored(self, name): + if self.ignores.has_key(name): + return 1 + for glob in self.glob_ignores: + if fnmatch.fnmatchcase(name, glob): + return 1 + return 0 + + def is_type_ignored(self, name): + return name in self.type_ignores + + def is_overriden(self, name): + return self.overrides.has_key(name) + + def is_already_included(self, name): + return self.overridden.has_key(name) + + def override(self, name): + self.overridden[name] = 1 + return self.overrides[name] + + def define(self, klass, name): + self.overridden[class2cname(klass, name)] = 1 + return self.defines[klass][name] + + def function(self, name): + return self.functions[name] + + def getstartline(self, name): + return self.startlines[name] + + def wants_kwargs(self, name): + return self.kwargs.has_key(name) + + def wants_noargs(self, name): + return self.noargs.has_key(name) + + def wants_onearg(self, name): + return self.onearg.has_key(name) + + def is_staticmethod(self, name): + return self.staticmethod.has_key(name) + + def is_classmethod(self, name): + return self.classmethod.has_key(name) + + def attr_is_overriden(self, attr): + return self.override_attrs.has_key(attr) + + def attr_override(self, attr): + return self.override_attrs[attr] + + def slot_is_overriden(self, slot): + return self.override_slots.has_key(slot) + + def slot_override(self, slot): + return self.override_slots[slot] + + def get_headers(self): + return self.headers + + def get_body(self): + return self.body + + def get_init(self): + return self.init + + def get_imports(self): + return self.imports + + def get_defines_for(self, klass): + return self.defines.get(klass, {}) + + def get_functions(self): + return self.functions |