class TypeMappingGenerator:
- def __init__(self, java_c_types, consts, c_array_class_caches, opaque_structs, clone_fns, unitary_enums, trait_structs, complex_enums, result_types, tuple_types):
+ def __init__(self, java_c_types, consts, opaque_structs, clone_fns, unitary_enums, trait_structs, complex_enums, result_types, tuple_types):
# trick our way around circular imports
self.java_c_types = java_c_types
self.consts = consts
- self.c_array_class_caches = c_array_class_caches
self.opaque_structs = opaque_structs
self.clone_fns = clone_fns
self.unitary_enums = unitary_enums
ret_conv = (ty_info.rust_obj + " " + arr_name + "_var = ", "")
if subty.ret_conv is None:
ret_conv = ("DUMMY", "DUMMY")
- elif not ty_info.java_ty[:len(ty_info.java_ty) - 2].endswith("[]"):
+ else:
ret_conv = (ret_conv[0], ";\n" + ty_info.c_ty + " " + arr_name + "_arr = " + self.consts.create_native_arr_call(arr_name + "_var." + arr_len, ty_info) + ";\n")
- ret_conv = (ret_conv[0], ret_conv[1] + subty.c_ty + " *" + arr_name + "_arr_ptr = " + self.consts.get_native_arr_ptr_call[0] + arr_name + "_arr" + self.consts.get_native_arr_ptr_call[1] + ";\n")
+ get_ptr_call = self.consts.get_native_arr_ptr_call(ty_info)
+ if get_ptr_call is not None:
+ ret_conv = (ret_conv[0], ret_conv[1] + subty.c_ty + " *" + arr_name + "_arr_ptr = " + get_ptr_call[0] + arr_name + "_arr" + get_ptr_call[1] + ";\n")
ret_conv = (ret_conv[0], ret_conv[1] + "for (size_t " + idxc + " = 0; " + idxc + " < " + arr_name + "_var." + arr_len + "; " + idxc + "++) {\n")
ret_conv = (ret_conv[0], ret_conv[1] + "\t" + subty.ret_conv[0].replace("\n", "\n\t"))
ret_conv = (ret_conv[0], ret_conv[1] + arr_name + "_var." + ty_info.arr_access + "[" + idxc + "]" + subty.ret_conv[1].replace("\n", "\n\t"))
- ret_conv = (ret_conv[0], ret_conv[1] + "\n\t" + arr_name + "_arr_ptr[" + idxc + "] = " + subty.ret_conv_name + ";\n}")
- cleanup = self.consts.release_native_arr_ptr_call(arr_name + "_arr", arr_name + "_arr_ptr")
+ if get_ptr_call is not None:
+ ret_conv = (ret_conv[0], ret_conv[1] + "\n\t" + arr_name + "_arr_ptr[" + idxc + "] = " + subty.ret_conv_name + ";\n}")
+ else:
+ ret_conv = (ret_conv[0], ret_conv[1] + "\n\t" + self.consts.get_native_arr_entry_call(ty_info, arr_name + "_arr", idxc, subty.ret_conv_name) + ";\n}")
+ cleanup = self.consts.release_native_arr_ptr_call(ty_info, arr_name + "_arr", arr_name + "_arr_ptr")
if cleanup is not None:
ret_conv = (ret_conv[0], ret_conv[1] + "\n" + cleanup + ";")
- else:
- assert ty_info.java_fn_ty_arg.startswith("[")
- clz_var = ty_info.java_fn_ty_arg[1:].replace("[", "arr_of_")
- self.c_array_class_caches.add(clz_var)
- ret_conv = (ret_conv[0], ";\n" + ty_info.c_ty + " " + arr_name + "_arr = (*env)->NewObjectArray(env, " + arr_name + "_var." + arr_len + ", " + clz_var + "_clz, NULL);\n")
- ret_conv = (ret_conv[0], ret_conv[1] + "for (size_t " + idxc + " = 0; " + idxc + " < " + arr_name + "_var." + arr_len + "; " + idxc + "++) {\n")
- ret_conv = (ret_conv[0], ret_conv[1] + "\t" + subty.ret_conv[0].replace("\n", "\n\t"))
- ret_conv = (ret_conv[0], ret_conv[1] + arr_name + "_var." + ty_info.arr_access + "[" + idxc + "]" + subty.ret_conv[1].replace("\n", "\n\t"))
- ret_conv = (ret_conv[0], ret_conv[1] + "\n\t(*env)->SetObjectArrayElement(env, " + arr_name + "_arr, " + idxc + ", " + subty.ret_conv_name + ");\n")
- ret_conv = (ret_conv[0], ret_conv[1] + "}")
if not holds_ref:
# XXX: The commented if's are a bit smarter freeing, but we need to be a nudge smarter still
# Note that we don't drop the full vec here - we're passing ownership to java (or have cloned) or free'd by now!
reg_fn_regex = re.compile("([A-Za-z_0-9\* ]* \*?)([a-zA-Z_0-9]*)\((.*)\);$")
clone_fns = set()
constructor_fns = {}
-c_array_class_caches = set()
-
from gen_type_mapping import TypeMappingGenerator
-type_mapping_generator = TypeMappingGenerator(java_c_types, consts, c_array_class_caches, opaque_structs, clone_fns, unitary_enums, trait_structs, complex_enums, result_types, tuple_types)
-
-
+type_mapping_generator = TypeMappingGenerator(java_c_types, consts, opaque_structs, clone_fns, unitary_enums, trait_structs, complex_enums, result_types, tuple_types)
with open(sys.argv[1]) as in_h:
for line in in_h:
write_c("\t\tret->data = NULL;\n")
write_c("\t} else {\n")
write_c("\t\tret->data = MALLOC(sizeof(" + vec_ty + ") * ret->datalen, \"" + struct_name + " Data\");\n")
- write_c("\t\t" + ty_info.c_ty + " *java_elems = " + consts.get_native_arr_ptr_call[0] + "elems" + consts.get_native_arr_ptr_call[1] + ";\n")
+ native_arr_ptr_call = consts.get_native_arr_ptr_call(ty_info.ty_info)
+ write_c("\t\t" + ty_info.c_ty + " *java_elems = " + native_arr_ptr_call[0] + "elems" + native_arr_ptr_call[1] + ";\n")
write_c("\t\tfor (size_t i = 0; i < ret->datalen; i++) {\n")
if ty_info.arg_conv is not None:
write_c("\t\t\t" + ty_info.c_ty + " arr_elem = java_elems[i];\n")
else:
write_c("\t\t\tret->data[i] = java_elems[i];\n")
write_c("\t\t}\n")
- cleanup = consts.release_native_arr_ptr_call("elems", "java_elems")
+ cleanup = consts.release_native_arr_ptr_call(ty_info.ty_info, "elems", "java_elems")
if cleanup is not None:
write_c("\t\t" + cleanup + ";\n")
write_c("\t}\n")
out_java_struct.write("}\n")
with open(sys.argv[4], "w") as out_c:
out_c.write(consts.c_file_pfx)
- out_c.write(consts.init_str(c_array_class_caches))
+ out_c.write(consts.init_str())
out_c.write(c_file)
class Consts:
def __init__(self, DEBUG: bool, **kwargs):
-
+ self.c_array_class_caches = set()
self.c_type_map = dict(
uint8_t = ['byte'],
uint16_t = ['short'],
self.owned_str_to_c_call = ("(*env)->NewStringUTF(env, ", ")")
self.ptr_arr = "jobjectArray"
self.get_native_arr_len_call = ("(*env)->GetArrayLength(env, ", ")")
- self.get_native_arr_ptr_call = ("(*env)->GetPrimitiveArrayCritical(env, ", ", NULL)")
- def release_native_arr_ptr_call(self, arr_var, arr_ptr_var):
- return "(*env)->ReleasePrimitiveArrayCritical(env, " + arr_var + ", " + arr_ptr_var + ", 0)"
+ def release_native_arr_ptr_call(self, ty_info, arr_var, arr_ptr_var):
+ if ty_info.subty is None or not ty_info.subty.c_ty.endswith("Array"):
+ return "(*env)->ReleasePrimitiveArrayCritical(env, " + arr_var + ", " + arr_ptr_var + ", 0)"
+ return None
def create_native_arr_call(self, arr_len, ty_info):
if ty_info.c_ty == "int8_tArray":
return "(*env)->NewByteArray(env, " + arr_len + ")"
+ elif ty_info.subty.c_ty.endswith("Array"):
+ clz_var = ty_info.java_fn_ty_arg[1:].replace("[", "arr_of_")
+ self.c_array_class_caches.add(clz_var)
+ return "(*env)->NewObjectArray(env, " + arr_len + ", " + clz_var + "_clz, NULL);\n"
else:
return "(*env)->New" + ty_info.java_ty.strip("[]").title() + "Array(env, " + arr_len + ")"
def set_native_arr_contents(self, arr_name, arr_len, ty_info):
return "(*env)->GetObjectArrayElement(env, " + arr_name + ", " + idxc + ")"
else:
assert False # Only called if above is None
+ def get_native_arr_ptr_call(self, ty_info):
+ if ty_info.subty is not None and ty_info.subty.c_ty.endswith("Array"):
+ return None
+ return ("(*env)->GetPrimitiveArrayCritical(env, ", ", NULL)")
+ def get_native_arr_entry_call(self, ty_info, arr_name, idxc, entry_access):
+ if ty_info.subty is None or not ty_info.subty.c_ty.endswith("Array"):
+ return None
+ return "(*env)->SetObjectArrayElement(env, " + arr_name + ", " + idxc + ", " + entry_access + ")"
def cleanup_native_arr_ref_contents(self, arr_name, dest_name, arr_len, ty_info):
if ty_info.c_ty == "int8_tArray":
return "(*env)->ReleaseByteArrayElements(env, " + arr_name + ", (int8_t*)" + dest_name + ", 0);"
else:
return "(*env)->Release" + ty_info.java_ty.strip("[]").title() + "ArrayElements(env, " + arr_name + ", " + dest_name + ", 0)"
- def init_str(self, c_array_class_caches):
+ def init_str(self):
res = ""
- for ty in c_array_class_caches:
+ for ty in self.c_array_class_caches:
res = res + "static jclass " + ty + "_clz = NULL;\n"
res = res + "JNIEXPORT void Java_org_ldk_impl_bindings_init_1class_1cache(JNIEnv * env, jclass clz) {\n"
- for ty in c_array_class_caches:
+ for ty in self.c_array_class_caches:
res = res + "\t" + ty + "_clz = (*env)->FindClass(env, \"" + ty.replace("arr_of_", "[") + "\");\n"
res = res + "\tCHECK(" + ty + "_clz != NULL);\n"
res = res + "\t" + ty + "_clz = (*env)->NewGlobalRef(env, " + ty + "_clz);\n"
int memcmp(const void *s1, const void *s2, size_t n);
void __attribute__((noreturn)) abort(void);
-void assert(scalar expression);
+void assert(bool expression);
"""
if not DEBUG:
typedef struct int64_tArray {uint32_t len;int64_t *ptr;} int64_tArray;
typedef struct uint32_tArray {uint32_t len;int32_t *ptr;} uint32_tArray;
+typedef struct ptrArray {uint32_t len;int32_t *ptr;} ptrArray;
typedef struct int8_tArray {uint32_t len;int8_t *ptr;} int8_tArray;
typedef struct jstring {} jstring;
self.ptr_native_ty = "number" # "uint32_t"
self.result_c_ty = "uint32_t"
self.owned_str_to_c_call = ("conv_owned_string(", ")")
- self.ptr_arr = "uint32_tArray"
+ self.ptr_arr = "ptrArray"
self.get_native_arr_len_call = ("", ".len")
- self.get_native_arr_ptr_call = ("", ".ptr")
- def release_native_arr_ptr_call(self, arr_var, arr_ptr_var):
+ def release_native_arr_ptr_call(self, ty_info, arr_var, arr_ptr_var):
return None
def create_native_arr_call(self, arr_len, ty_info):
if ty_info.c_ty == "int8_tArray":
return "{ .len = " + arr_len + ", .ptr = MALLOC(" + arr_len + " * sizeof(int64_t), \"Native " + ty_info.c_ty + " Bytes\") }"
elif ty_info.c_ty == "uint32_tArray":
return "{ .len = " + arr_len + ", .ptr = MALLOC(" + arr_len + " * sizeof(int32_t), \"Native " + ty_info.c_ty + " Bytes\") }"
+ elif ty_info.c_ty == "ptrArray":
+ assert ty_info.subty is not None and ty_info.subty.c_ty.endswith("Array")
+ return "{ .len = " + arr_len + ", .ptr = MALLOC(" + arr_len + " * sizeof(int32_t), \"Native Object Bytes\") }"
else:
print("Need to create arr!", ty_info.c_ty)
return ty_info.c_ty
return "(" + ty_info.subty.c_ty + "*) " + arr_name + ".ptr"
def get_native_arr_elem(self, arr_name, idxc, ty_info):
assert False # Only called if above is None
+ def get_native_arr_ptr_call(self, ty_info):
+ if ty_info.subty is not None:
+ return ("(" + ty_info.subty.c_ty + "*)", ".ptr")
+ return ("(" + ty_info.c_ty + "*)", ".ptr")
+ def get_native_arr_entry_call(self, ty_info, arr_name, idxc, entry_access):
+ return None
def cleanup_native_arr_ref_contents(self, arr_name, dest_name, arr_len, ty_info):
if ty_info.c_ty == "int8_tArray":
return None
"""
return ''
- def init_str(self, c_array_class_caches):
+ def init_str(self):
return ""
def native_c_unitary_enum_map(self, struct_name, variants):