def test_class_method_overload():
cls = cpp.cpp_class('MyTest')
cls.qualname = "MyTest"
method = cpp.cpp_method('method',
params=[cpp.cpp_variable('myvar', cpp.cpp_type('MyTestClass', const=True))])
method1 = cpp.cpp_method('method',
params=[cpp.cpp_variable('myvar', cpp.cpp_type('int', const=True))])
method2 = cpp.cpp_method('method',
params=[cpp.cpp_variable('myvar', cpp.cpp_type('int', const=True)),
cpp.cpp_variable('othervar', cpp.cpp_type('int', const=True))])
cls.public.append(method)
method.parent = cls
cls.public.append(method1)
method1.parent = cls
cls.public.append(method2)
method2.parent = cls
context = lua.lua_context_builder.bake([cls])
assert len(context.translated) == 1
t_cls = context.translated[0]
assert t_cls
assert t_cls.name == 'lua_munch_MyTest'
def test_class_base():
base = cpp.cpp_class('base')
base.qualname = 'MyBaseClass'
bmethod = cpp.cpp_method('base_method',
params=[cpp.cpp_variable('variable', cpp.cpp_type('int'))])
bmethod.is_virtual = True
base.public.append(bmethod)
bmethod.parent = base
cls = cpp.cpp_class('MyTest')
cls.qualname = 'MyTestClass'
cls.bases.append(base)
method = cpp.cpp_method('method',
params=[cpp.cpp_variable('myvar', cpp.cpp_type('MyTestClass', const=True))])
method1 = cpp.cpp_method('method',
params=[cpp.cpp_variable('myvar', cpp.cpp_type('int', const=True))])
cls.public.append(method)
method.parent = cls
cls.public.append(method1)
method1.parent = cls
context = lua.lua_context_builder.bake([base, cls])
assert len(context.translated) == 2
t_cls = context.translated[1]
assert t_cls
assert t_cls.name == 'lua_munch_MyTest'
print context.translated[0]
print t_cls
assert False
def init_translated_class(orig_class, context):
assert 'translation' not in orig_class.__dict__
lua_cls = cpp.cpp_class('lua_munch_' + orig_class.identifier_name)
luaReg = cpp.cpp_variable_array('lua_reg_' + orig_class.identifier_name,
cpp.cpp_type('luaL_Reg', static=True))
logging.debug('baking methods for class: %s : %s' % (orig_class.name ,orig_class.public))
#we now bake all methods and subclasses from this class, but not preprocess them
class_ctx = lua_context_builder.bake(orig_class.public, preprocess=False)
for item in class_ctx.translated:
if item.public:
lua_cls.public.append(item)
else:
lua_cls.protected.append(item)
if type(item) == cpp.cpp_method and not item.is_constructor and item.public:
luaReg.expr.append('{ "%s" , lua_munch_%s::lua_munch_%s }' % (item.name, orig_class.name, item.name))
#the base methods are shims that only retrieve it's self and pass it down to the
#base class
for base in orig_class.bases:
for item in base.public:
if type(item) != cpp.cpp_method:
continue
method = cpp.cpp_method('lua_munch_' + item.name,
static=True, returns=cpp.cpp_type('int'),
params=[cpp.cpp_variable('L', cpp.cpp_type('lua_State', pointer=True))])
if item.parent:
item.parameters.append(cpp.cpp_variable('lua_self', cpp.cpp_type(item.parent.name, pointer=True)))
method.exprs.append('%s* lua_self = lua_munch_%s::get(L)' % (orig_class.qualname, orig_class.identifier_name))
method.exprs.append(cpp.cpp_return(cpp.cpp_method_call('lua_munch_%s::lua_munch_%s' % (item.parent.name, item.name), params=['L', 'lua_self'])))
lua_cls.public.append(method)
if not item.is_constructor:
luaReg.expr.append('{ "%s" , lua_munch_%s::lua_munch_%s }' % (item.name, orig_class.name, item.name))
luaReg.expr.append('{ 0, 0 }')
lua_cls.public.append(luaReg)
orig_class.translation = lua_cls
def lua_preprocess(data, context):
classes = filter(lambda item: type(item) == cpp.cpp_class, data)
functions = filter(lambda item: type(item) == cpp.cpp_method and item.parent == None, data)
other = filter(lambda item: type(item) != cpp.cpp_method and type(item) != cpp.cpp_class, data)
del data[:]
for item in classes:
item.identifier_name = item.qualname.replace('::', '_')
process_functions(item)
fake_cls = cpp.cpp_class('Fake')
fake_cls.public = functions
process_functions(fake_cls)
data += classes + fake_cls.public + other
def test_class():
cls = cpp.cpp_class('MyTest')
cls.qualname = "MyTest"
method = cpp.cpp_method('method',
params=[cpp.cpp_variable('myvar', cpp.cpp_type('MyTestClass', const=True))])
cls.public.append(method)
context = lua.lua_context_builder.bake([cls])
assert len(context.translated) == 1
t_cls = context.translated[0]
assert t_cls
assert t_cls.name == 'lua_munch_MyTest'
