def transform_to_c(self):
assert not self.transfer_ownership # transfer not implemented
return TypeTransform(
[
C.Decl(self.c_type, self.c_name),
C.Decl('jsize', self.length.jni_name),
C.Decl(self.length.c_type, self.length.c_name),
],
[
C.Assert('sizeof(%s) == sizeof(%s)' %
(self.c_element_type, self.jni_type[:-5])),
C.Assign(self.c_name,
C.Env('Get%sArrayElements' % self.primitive_type_name,
self.jni_name, 'NULL'),
cast=self.c_type),
C.ExceptionCheck.default(self),
C.Assign(self.length.c_name,
C.Env('GetArrayLength', '(jarray) ' + self.jni_name),
cast=self.length.c_type),
C.ExceptionCheck.default(self),
],
[
# discard any changes
C.Env('Release%sArrayElements' % self.primitive_type_name,
self.jni_name, self.c_name, 'JNI_ABORT'),
C.ExceptionCheck.default(self),
])
def transform_to_jni(self):
return TypeTransform([
C.Decl(self.jni_type, self.jni_name),
C.Decl('jsize', self.length.jni_name),
], [
C.Assert('sizeof(%s) == sizeof(%s)' %
(self.c_element_type, self.jni_type[:-5])),
C.Assign(self.length.jni_name, self.length.c_name, cast='jsize'),
C.Assign(
self.jni_name,
C.Env('New%sArray' % self.primitive_type_name,
self.length.jni_name)),
C.ExceptionCheck.default(self),
C.Env('Set%sArrayRegion' % self.primitive_type_name, self.jni_name,
'0', self.length.jni_name,
'(const %s*)' % self.jni_type[:-5] + self.c_name),
], self.transfer_ownership and [
C.Call('g_free', self.c_name),
])
from type_registry import TypeTransform
from c_generator import C
C.Helper.add_helper(
'jobject_wrapper_create',
C.Function('jobject_wrapper_create',
return_type='JObjectWrapper*',
params=['jobject jobj', 'gboolean weak'],
body=[
C.Decl('JNIEnv*', 'env'),
C.Decl('JObjectWrapper*', 'wrapper'),
'',
C.Assign('env', C.Call('get_jni_env')),
C.Assign('wrapper', C.Call('g_slice_new0',
'JObjectWrapper')),
C.Assert('wrapper'),
C.IfElse(ifs=['weak'],
bodies=[[
C.Assign('wrapper->weak',
C.Env('NewWeakGlobalRef', 'jobj')),
C.Log.info('created weak global ref: %p',
'wrapper->weak'),
],
[
C.Assign('wrapper->obj',
C.Env('NewGlobalRef',
'jobj')),
C.Log.info('created global ref: %p',
'wrapper->obj'),
]]),
C.ExceptionCheck('NULL'),
from type_registry import TypeTransform
from c_generator import C
C.Helper.add_helper(
'jobject_wrapper_create',
C.Function('jobject_wrapper_create',
return_type='JObjectWrapper*',
params=['jobject jobj', 'gboolean weak'],
body=[
C.Decl('JNIEnv*', 'env'),
C.Decl('JObjectWrapper*', 'wrapper'),
'',
C.Assign('env', C.Call('get_jni_env')),
C.Assign('wrapper', C.Call('g_slice_new0',
'JObjectWrapper')),
C.Assert('wrapper'),
C.IfElse(ifs=['weak'],
bodies=[[
C.Assign('wrapper->weak',
C.Env('NewWeakGlobalRef', 'jobj')),
C.Log.verbose('created weak global ref: %p',
'wrapper->weak'),
],
[
C.Assign('wrapper->obj',
C.Env('NewGlobalRef',
'jobj')),
C.Log.verbose('created global ref: %p',
'wrapper->obj'),
]]),
C.ExceptionCheck('NULL'),
