lastund = True
return (ret + lastchar.lower()).strip("_")
- var_is_arr_regex = re.compile("\(\*([A-za-z_]*)\)\[([0-9]*)\]")
+ var_is_arr_regex = re.compile("\(\*([A-za-z0-9_]*)\)\[([0-9]*)\]")
var_ty_regex = re.compile("([A-za-z_0-9]*)(.*)")
def java_c_types(fn_arg, ret_arr_len):
fn_arg = fn_arg.strip()
is_ptr = False
take_by_ptr = False
rust_obj = None
+ if fn_arg.startswith("LDKThirtyTwoBytes"):
+ fn_arg = "uint8_t (*" + fn_arg[18:] + ")[32]"
+ assert var_is_arr_regex.match(fn_arg[8:])
+ rust_obj = "LDKThirtyTwoBytes"
+
if fn_arg.startswith("void"):
java_ty = "void"
c_ty = "void"
java_ty = java_ty + "[]"
c_ty = c_ty + "Array"
if var_is_arr is not None:
- return TypeInfo(rust_obj=None, java_ty=java_ty, java_fn_ty_arg="[" + fn_ty_arg, c_ty=c_ty,
+ return TypeInfo(rust_obj=rust_obj, java_ty=java_ty, java_fn_ty_arg="[" + fn_ty_arg, c_ty=c_ty,
passed_as_ptr=False, is_ptr=False, var_name=var_is_arr.group(1), arr_len=var_is_arr.group(2))
return TypeInfo(rust_obj=rust_obj, java_ty=java_ty, java_fn_ty_arg=fn_ty_arg, c_ty=c_ty, passed_as_ptr=is_ptr or take_by_ptr,
is_ptr=is_ptr, var_name=fn_arg, arr_len=None)
arr_name = "ret"
arr_len = ret_arr_len
assert(ty_info.c_ty == "jbyteArray")
+ if ty_info.rust_obj is not None:
+ arg_conv = ty_info.rust_obj + " " + arr_name + "_ref;\n" + "(*_env)->GetByteArrayRegion (_env, " + arr_name + ", 0, " + arr_len + ", " + arr_name + "_ref.data);"
+ arr_access = ("", ".data")
+ else:
+ arg_conv = "unsigned char " + arr_name + "_arr[" + arr_len + "];\n" + "(*_env)->GetByteArrayRegion (_env, " + arr_name + ", 0, " + arr_len + ", " + arr_name + "_arr);\n" + "unsigned char (*" + arr_name + "_ref)[" + arr_len + "] = &" + arr_name + "_arr;"
+ arr_access = ("*", "")
return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
- arg_conv = "unsigned char " + arr_name + "_arr[" + arr_len + "];\n" +
- "(*_env)->GetByteArrayRegion (_env, """ + arr_name + ", 0, " + arr_len + ", " + arr_name + "_arr);\n" +
- "unsigned char (*""" + arr_name + "_ref)[" + arr_len + "] = &" + arr_name + "_arr;",
+ arg_conv = arg_conv,
arg_conv_name = arr_name + "_ref",
ret_conv = ("jbyteArray " + arr_name + "_arr = (*_env)->NewByteArray(_env, " + arr_len + ");\n" +
- "(*_env)->SetByteArrayRegion(_env, " + arr_name + "_arr, 0, " + arr_len + ", *",
- ");"),
+ "(*_env)->SetByteArrayRegion(_env, " + arr_name + "_arr, 0, " + arr_len + ", " + arr_access[0],
+ arr_access[1] + ");"),
ret_conv_name = arr_name + "_arr")
elif ty_info.var_name != "":
# If we have a parameter name, print it (noting that it may indicate its a pointer)
arg_conv_name = ty_info.var_name + "_conv",
ret_conv = ("CANT PASS TRAIT TO Java?", ""), ret_conv_name = "NO CONV POSSIBLE")
if ty_info.rust_obj != "LDKu8slice":
- # Don't bother free'ing slices passed in - we often pass them Rust -> Rust
+ # Don't bother free'ing slices passed in - Rust doesn't auto-free the
+ # underlying unlike Vecs, and it gives Java more freedom.
base_conv = base_conv + "\nFREE((void*)" + ty_info.var_name + ");";
if ty_info.rust_obj in opaque_structs:
return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
out_c.write(";")
out_c.write("\n}\n\n")
+ def map_unitary_enum(struct_name, field_lines):
+ with open(sys.argv[3] + "/" + struct_name + ".java", "w") as out_java_enum:
+ out_java_enum.write("package org.ldk.enums;\n\n")
+ unitary_enums.add(struct_name)
+ out_c.write("static inline " + struct_name + " " + struct_name + "_from_java(JNIEnv *env, jclass val) {\n")
+ out_c.write("\tswitch ((*env)->CallIntMethod(env, val, ordinal_meth)) {\n")
+ ord_v = 0
+ for idx, struct_line in enumerate(field_lines):
+ if idx == 0:
+ out_java_enum.write("public enum " + struct_name + " {\n")
+ elif idx == len(field_lines) - 3:
+ assert(struct_line.endswith("_Sentinel,"))
+ elif idx == len(field_lines) - 2:
+ out_java_enum.write("\t; static native void init();\n")
+ out_java_enum.write("\tstatic { init(); }\n")
+ out_java_enum.write("}")
+ out_java.write("\tstatic { " + struct_name + ".values(); /* Force enum statics to run */ }\n")
+ elif idx == len(field_lines) - 1:
+ assert(struct_line == "")
+ else:
+ out_java_enum.write(struct_line + "\n")
+ out_c.write("\t\tcase %d: return %s;\n" % (ord_v, struct_line.strip().strip(",")))
+ ord_v = ord_v + 1
+ out_c.write("\t}\n")
+ out_c.write("\tabort();\n")
+ out_c.write("}\n")
+
+ ord_v = 0
+ out_c.write("static jclass " + struct_name + "_class = NULL;\n")
+ for idx, struct_line in enumerate(field_lines):
+ if idx > 0 and idx < len(field_lines) - 3:
+ variant = struct_line.strip().strip(",")
+ out_c.write("static jfieldID " + struct_name + "_" + variant + " = NULL;\n")
+ out_c.write("JNIEXPORT void JNICALL Java_org_ldk_enums_" + struct_name.replace("_", "_1") + "_init (JNIEnv * env, jclass clz) {\n")
+ out_c.write("\t" + struct_name + "_class = (*env)->NewGlobalRef(env, clz);\n")
+ out_c.write("\tDO_ASSERT(" + struct_name + "_class != NULL);\n")
+ for idx, struct_line in enumerate(field_lines):
+ if idx > 0 and idx < len(field_lines) - 3:
+ variant = struct_line.strip().strip(",")
+ out_c.write("\t" + struct_name + "_" + variant + " = (*env)->GetStaticFieldID(env, " + struct_name + "_class, \"" + variant + "\", \"Lorg/ldk/enums/" + struct_name + ";\");\n")
+ out_c.write("\tDO_ASSERT(" + struct_name + "_" + variant + " != NULL);\n")
+ out_c.write("}\n")
+ out_c.write("static inline jclass " + struct_name + "_to_java(JNIEnv *env, " + struct_name + " val) {\n")
+ out_c.write("\tswitch (val) {\n")
+ for idx, struct_line in enumerate(field_lines):
+ if idx > 0 and idx < len(field_lines) - 3:
+ variant = struct_line.strip().strip(",")
+ out_c.write("\t\tcase " + variant + ":\n")
+ out_c.write("\t\t\treturn (*env)->GetStaticObjectField(env, " + struct_name + "_class, " + struct_name + "_" + variant + ");\n")
+ ord_v = ord_v + 1
+ out_c.write("\t\tdefault: abort();\n")
+ out_c.write("\t}\n")
+ out_c.write("}\n\n")
+
+ def map_complex_enum(struct_name, union_enum_items):
+ tag_field_lines = union_enum_items["field_lines"]
+ init_meth_jty_strs = {}
+ for idx, struct_line in enumerate(tag_field_lines):
+ if idx == 0:
+ out_java.write("\tpublic static class " + struct_name + " {\n")
+ out_java.write("\t\tprivate " + struct_name + "() {}\n")
+ elif idx == len(tag_field_lines) - 3:
+ assert(struct_line.endswith("_Sentinel,"))
+ elif idx == len(tag_field_lines) - 2:
+ out_java.write("\t\tstatic native void init();\n")
+ out_java.write("\t}\n")
+ elif idx == len(tag_field_lines) - 1:
+ assert(struct_line == "")
+ else:
+ var_name = struct_line.strip(' ,')[len(struct_name) + 1:]
+ out_java.write("\t\tpublic final static class " + var_name + " extends " + struct_name + " {\n")
+ out_c.write("static jclass " + struct_name + "_" + var_name + "_class = NULL;\n")
+ out_c.write("static jmethodID " + struct_name + "_" + var_name + "_meth = NULL;\n")
+ init_meth_jty_str = ""
+ init_meth_params = ""
+ init_meth_body = ""
+ if "LDK" + var_name in union_enum_items:
+ enum_var_lines = union_enum_items["LDK" + var_name]
+ for idx, field in enumerate(enum_var_lines):
+ if idx != 0 and idx < len(enum_var_lines) - 2:
+ field_ty = java_c_types(field.strip(' ;'), None)
+ out_java.write("\t\t\tpublic " + field_ty.java_ty + " " + field_ty.var_name + ";\n")
+ init_meth_jty_str = init_meth_jty_str + field_ty.java_fn_ty_arg
+ if idx > 1:
+ init_meth_params = init_meth_params + ", "
+ init_meth_params = init_meth_params + field_ty.java_ty + " " + field_ty.var_name
+ init_meth_body = init_meth_body + "this." + field_ty.var_name + " = " + field_ty.var_name + "; "
+ out_java.write("\t\t\t" + var_name + "(" + init_meth_params + ") { ")
+ out_java.write(init_meth_body)
+ out_java.write("}\n")
+ out_java.write("\t\t}\n")
+ init_meth_jty_strs[var_name] = init_meth_jty_str
+ out_java.write("\tstatic { " + struct_name + ".init(); }\n")
+ out_java.write("\tpublic static native " + struct_name + " " + struct_name + "_ref_from_ptr(long ptr);\n");
+
+ out_c.write("JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_00024" + struct_name.replace("_", "_1") + "_init (JNIEnv * env, jclass _a) {\n")
+ for idx, struct_line in enumerate(tag_field_lines):
+ if idx != 0 and idx < len(tag_field_lines) - 3:
+ var_name = struct_line.strip(' ,')[len(struct_name) + 1:]
+ out_c.write("\t" + struct_name + "_" + var_name + "_class =\n")
+ out_c.write("\t\t(*env)->NewGlobalRef(env, (*env)->FindClass(env, \"Lorg/ldk/impl/bindings$" + struct_name + "$" + var_name + ";\"));\n")
+ out_c.write("\tDO_ASSERT(" + struct_name + "_" + var_name + "_class != NULL);\n")
+ out_c.write("\t" + struct_name + "_" + var_name + "_meth = (*env)->GetMethodID(env, " + struct_name + "_" + var_name + "_class, \"<init>\", \"(" + init_meth_jty_strs[var_name] + ")V\");\n")
+ out_c.write("\tDO_ASSERT(" + struct_name + "_" + var_name + "_meth != NULL);\n")
+ out_c.write("}\n")
+ out_c.write("JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_" + struct_name.replace("_", "_1") + "_1ref_1from_1ptr (JNIEnv * env, jclass _c, jlong ptr) {\n")
+ out_c.write("\t" + struct_name + " *obj = (" + struct_name + "*)ptr;\n")
+ out_c.write("\tswitch(obj->tag) {\n")
+ for idx, struct_line in enumerate(tag_field_lines):
+ if idx != 0 and idx < len(tag_field_lines) - 3:
+ var_name = struct_line.strip(' ,')[len(struct_name) + 1:]
+ out_c.write("\t\tcase " + struct_name + "_" + var_name + ": {\n")
+ c_params_text = ""
+ if "LDK" + var_name in union_enum_items:
+ enum_var_lines = union_enum_items["LDK" + var_name]
+ for idx, field in enumerate(enum_var_lines):
+ if idx != 0 and idx < len(enum_var_lines) - 2:
+ field_map = map_type(field.strip(' ;'), False, None, False)
+ if field_map.ret_conv is not None:
+ out_c.write("\t\t\t" + field_map.ret_conv[0].replace("\n", "\n\t\t\t").replace("_env", "env"))
+ out_c.write("obj->" + camel_to_snake(var_name) + "." + field_map.arg_name)
+ out_c.write(field_map.ret_conv[1] + "\n")
+ c_params_text = c_params_text + ", " + field_map.ret_conv_name
+ else:
+ c_params_text = c_params_text + ", obj->" + camel_to_snake(var_name) + "." + field_map.arg_name
+ out_c.write("\t\t\treturn (*env)->NewObject(env, " + struct_name + "_" + var_name + "_class, " + struct_name + "_" + var_name + "_meth" + c_params_text + ");\n")
+ out_c.write("\t\t}\n")
+ out_c.write("\t\tdefault: abort();\n")
+ out_c.write("\t}\n}\n")
+
def map_trait(struct_name, field_var_lines, trait_fn_lines):
out_c.write("typedef struct " + struct_name + "_JCalls {\n")
out_c.write("\tatomic_size_t refcnt;\n")
out_c.write(arg_info.arg_name)
out_c.write(arg_info.ret_conv[1].replace('\n', '\n\t').replace("_env", "env") + "\n")
- if not ret_ty_info.passed_as_ptr:
+ if ret_ty_info.c_ty.endswith("Array"):
+ assert(ret_ty_info.c_ty == "jbyteArray")
+ out_c.write("\tjbyteArray jret = (*env)->CallObjectMethod(env, j_calls->o, j_calls->" + fn_line.group(2) + "_meth")
+ elif not ret_ty_info.passed_as_ptr:
out_c.write("\treturn (*env)->Call" + ret_ty_info.java_ty.title() + "Method(env, j_calls->o, j_calls->" + fn_line.group(2) + "_meth")
else:
out_c.write("\t" + fn_line.group(1).strip() + "* ret = (" + fn_line.group(1).strip() + "*)(*env)->CallLongMethod(env, j_calls->o, j_calls->" + fn_line.group(2) + "_meth");
else:
out_c.write(", " + arg_info.arg_name)
out_c.write(");\n");
+ if ret_ty_info.c_ty.endswith("Array"):
+ out_c.write("\tLDKThirtyTwoBytes ret;\n")
+ out_c.write("\t(*env)->GetByteArrayRegion(env, jret, 0, " + ret_ty_info.arr_len + ", ret.data);\n")
+ out_c.write("\treturn ret;\n")
if ret_ty_info.passed_as_ptr:
out_c.write("\t" + fn_line.group(1).strip() + " res = *ret;\n")
public static native byte[] read_bytes(long ptr, long len);
public static native byte[] get_u8_slice_bytes(long slice_ptr);
public static native long bytes_to_u8_vec(byte[] bytes);
+ public static native long new_txpointer_copy_data(byte[] txdata);
public static native long vec_slice_len(long vec);
public static native long new_empty_slice_vec();
(*_env)->GetByteArrayRegion (_env, bytes, 0, vec->datalen, vec->data);
return (long)vec;
}
+JNIEXPORT long JNICALL Java_org_ldk_impl_bindings_new_1txpointer_1copy_1data (JNIEnv * env, jclass _b, jbyteArray bytes) {
+ LDKTransaction *txdata = (LDKTransaction*)MALLOC(sizeof(LDKTransaction), "LDKTransaction");
+ txdata->datalen = (*env)->GetArrayLength(env, bytes);
+ txdata->data = (uint8_t*)malloc(txdata->datalen); // May be freed by rust, so don't track allocation
+ txdata->data_is_owned = true;
+ (*env)->GetByteArrayRegion (env, bytes, 0, txdata->datalen, txdata->data);
+ return (long)txdata;
+}
JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_vec_1slice_1len (JNIEnv * env, jclass _a, jlong ptr) {
// Check offsets of a few Vec types are all consistent as we're meant to be generic across types
_Static_assert(offsetof(LDKCVec_u8Z, datalen) == offsetof(LDKCVec_SignatureZ, datalen), "Vec<*> needs to be mapped identically");
union_enum_items = {}
for line in in_h:
if in_block_comment:
- #out_java.write("\t" + line)
if line.endswith("*/\n"):
in_block_comment = False
elif cur_block_obj is not None:
is_unitary_enum = False
is_union_enum = False
is_union = False
+ is_tuple = False
trait_fn_lines = []
field_var_lines = []
in_block_comment = False
else:
struct_name_match = struct_name_regex.match(struct_line)
- vec_ty_match = line_indicates_vec_regex.match(struct_line)
if struct_name_match is not None:
struct_name = struct_name_match.group(3)
if struct_name_match.group(1) == "enum":
is_opaque = True
elif line_indicates_result_regex.match(struct_line):
is_result = True
- elif vec_ty_match is not None and struct_name.startswith("LDKCVecTempl_"):
+ vec_ty_match = line_indicates_vec_regex.match(struct_line)
+ if vec_ty_match is not None and struct_name.startswith("LDKCVecTempl_"):
vec_ty = vec_ty_match.group(1)
+ elif struct_name.startswith("LDKC2TupleTempl_") or struct_name.startswith("LDKC3TupleTempl_"):
+ is_tuple = True
trait_fn_match = line_indicates_trait_regex.match(struct_line)
if trait_fn_match is not None:
trait_fn_lines.append(trait_fn_match)
out_c.write("}\n")
elif is_result:
result_templ_structs.add(struct_name)
+ elif is_tuple:
+ out_java.write("\tpublic static native long " + struct_name + "_new(")
+ out_c.write("JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_" + struct_name.replace("_", "_1") + "_1new(JNIEnv *_env, jclass _b")
+ for idx, line in enumerate(field_lines):
+ if idx != 0 and idx < len(field_lines) - 2:
+ ty_info = java_c_types(line.strip(';'), None)
+ if idx != 1:
+ out_java.write(", ")
+ e = chr(ord('a') + idx - 1)
+ out_java.write(ty_info.java_ty + " " + e)
+ out_c.write(", " + ty_info.c_ty + " " + e)
+ out_java.write(");\n")
+ out_c.write(") {\n")
+ out_c.write("\t" + struct_name + "* ret = MALLOC(sizeof(" + struct_name + "), \"" + struct_name + "\");\n")
+ for idx, line in enumerate(field_lines):
+ if idx != 0 and idx < len(field_lines) - 2:
+ ty_info = map_type(line.strip(';'), False, None, False)
+ e = chr(ord('a') + idx - 1)
+ if ty_info.arg_conv is not None:
+ out_c.write("\t" + ty_info.arg_conv.replace("\n", "\n\t"))
+ out_c.write("\n\tret->" + e + " = " + ty_info.arg_conv_name + ";\n")
+ else:
+ out_c.write("\tret->" + e + " = " + e + ";\n")
+ out_c.write("\treturn (long)ret;\n")
+ out_c.write("}\n")
elif vec_ty is not None:
out_java.write("\tpublic static native VecOrSliceDef " + struct_name + "_arr_info(long vec_ptr);\n")
out_c.write("JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_" + struct_name.replace("_", "_1") + "_1arr_1info(JNIEnv *env, jclass _b, jlong ptr) {\n")
out_c.write("\t" + struct_name + " *vec = (" + struct_name + "*)ptr;\n")
out_c.write("\treturn (*env)->NewObject(env, slicedef_cls, slicedef_meth, (long)vec->data, (long)vec->datalen, sizeof(" + vec_ty + "));\n")
out_c.write("}\n")
+
+ ty_info = map_type(vec_ty + " arr_elem", False, None, False)
+ out_java.write("\tpublic static native long " + struct_name + "_new(" + ty_info.java_ty + "[] elems);\n")
+ out_c.write("JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_" + struct_name.replace("_", "_1") + "_1new(JNIEnv *env, jclass _b, j" + ty_info.java_ty + "Array elems){\n")
+ out_c.write("\t" + struct_name + " *ret = MALLOC(sizeof(" + struct_name + "), \"" + struct_name + "\");\n")
+ out_c.write("\tret->datalen = (*env)->GetArrayLength(env, elems);\n")
+ out_c.write("\tif (ret->datalen == 0) {\n")
+ out_c.write("\t\tret->data = NULL;\n")
+ out_c.write("\t} else {\n")
+ out_c.write("\t\tret->data = malloc(sizeof(" + vec_ty + ") * ret->datalen); // often freed by rust directly\n")
+ assert len(ty_info.java_fn_ty_arg) == 1 # ie we're a primitive of some form
+ out_c.write("\t\t" + ty_info.c_ty + " *java_elems = (*env)->GetPrimitiveArrayCritical(env, elems, NULL);\n")
+ out_c.write("\t\tfor (size_t i = 0; i < ret->datalen; i++) {\n")
+ if ty_info.arg_conv is not None:
+ out_c.write("\t\t\t" + ty_info.c_ty + " arr_elem = java_elems[i];\n")
+ out_c.write("\t\t\t" + ty_info.arg_conv.replace("\n", "\n\t\t\t") + "\n")
+ out_c.write("\t\t\tret->data[i] = " + ty_info.arg_conv_name + ";\n")
+ else:
+ out_c.write("\t\t\tret->data[i] = java_elems[i];\n")
+ out_c.write("\t\t}\n")
+ out_c.write("\t\t(*env)->ReleasePrimitiveArrayCritical(env, elems, java_elems, 0);\n")
+ out_c.write("\t}\n")
+ out_c.write("\treturn (long)ret;\n")
+ out_c.write("}\n")
elif is_union_enum:
assert(struct_name.endswith("_Tag"))
struct_name = struct_name[:-4]
enum_var_name = struct_name.split("_")
union_enum_items[enum_var_name[0]][enum_var_name[1]] = field_lines
elif struct_name in union_enum_items:
- tag_field_lines = union_enum_items[struct_name]["field_lines"]
- init_meth_jty_strs = {}
- for idx, struct_line in enumerate(tag_field_lines):
- if idx == 0:
- out_java.write("\tpublic static class " + struct_name + " {\n")
- out_java.write("\t\tprivate " + struct_name + "() {}\n")
- elif idx == len(tag_field_lines) - 3:
- assert(struct_line.endswith("_Sentinel,"))
- elif idx == len(tag_field_lines) - 2:
- out_java.write("\t\tstatic native void init();\n")
- out_java.write("\t}\n")
- elif idx == len(tag_field_lines) - 1:
- assert(struct_line == "")
- else:
- var_name = struct_line.strip(' ,')[len(struct_name) + 1:]
- out_java.write("\t\tpublic final static class " + var_name + " extends " + struct_name + " {\n")
- out_c.write("static jclass " + struct_name + "_" + var_name + "_class = NULL;\n")
- out_c.write("static jmethodID " + struct_name + "_" + var_name + "_meth = NULL;\n")
- init_meth_jty_str = ""
- init_meth_params = ""
- init_meth_body = ""
- if "LDK" + var_name in union_enum_items[struct_name]:
- enum_var_lines = union_enum_items[struct_name]["LDK" + var_name]
- for idx, field in enumerate(enum_var_lines):
- if idx != 0 and idx < len(enum_var_lines) - 2:
- field_ty = java_c_types(field.strip(' ;'), None)
- out_java.write("\t\t\tpublic " + field_ty.java_ty + " " + field_ty.var_name + ";\n")
- init_meth_jty_str = init_meth_jty_str + field_ty.java_fn_ty_arg
- if idx > 1:
- init_meth_params = init_meth_params + ", "
- init_meth_params = init_meth_params + field_ty.java_ty + " " + field_ty.var_name
- init_meth_body = init_meth_body + "this." + field_ty.var_name + " = " + field_ty.var_name + "; "
- out_java.write("\t\t\t" + var_name + "(" + init_meth_params + ") { ")
- out_java.write(init_meth_body)
- out_java.write("}\n")
- out_java.write("\t\t}\n")
- init_meth_jty_strs[var_name] = init_meth_jty_str
- out_java.write("\tstatic { " + struct_name + ".init(); }\n")
- out_java.write("\tpublic static native " + struct_name + " " + struct_name + "_ref_from_ptr(long ptr);\n");
-
- out_c.write("JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_00024" + struct_name.replace("_", "_1") + "_init (JNIEnv * env, jclass _a) {\n")
- for idx, struct_line in enumerate(tag_field_lines):
- if idx != 0 and idx < len(tag_field_lines) - 3:
- var_name = struct_line.strip(' ,')[len(struct_name) + 1:]
- out_c.write("\t" + struct_name + "_" + var_name + "_class =\n")
- out_c.write("\t\t(*env)->NewGlobalRef(env, (*env)->FindClass(env, \"Lorg/ldk/impl/bindings$" + struct_name + "$" + var_name + ";\"));\n")
- out_c.write("\tDO_ASSERT(" + struct_name + "_" + var_name + "_class != NULL);\n")
- out_c.write("\t" + struct_name + "_" + var_name + "_meth = (*env)->GetMethodID(env, " + struct_name + "_" + var_name + "_class, \"<init>\", \"(" + init_meth_jty_strs[var_name] + ")V\");\n")
- out_c.write("\tDO_ASSERT(" + struct_name + "_" + var_name + "_meth != NULL);\n")
- out_c.write("}\n")
- out_c.write("JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_" + struct_name.replace("_", "_1") + "_1ref_1from_1ptr (JNIEnv * env, jclass _c, jlong ptr) {\n")
- out_c.write("\t" + struct_name + " *obj = (" + struct_name + "*)ptr;\n")
- out_c.write("\tswitch(obj->tag) {\n")
- for idx, struct_line in enumerate(tag_field_lines):
- if idx != 0 and idx < len(tag_field_lines) - 3:
- var_name = struct_line.strip(' ,')[len(struct_name) + 1:]
- out_c.write("\t\tcase " + struct_name + "_" + var_name + ":\n")
- out_c.write("\t\t\treturn (*env)->NewObject(env, " + struct_name + "_" + var_name + "_class, " + struct_name + "_" + var_name + "_meth")
- if "LDK" + var_name in union_enum_items[struct_name]:
- enum_var_lines = union_enum_items[struct_name]["LDK" + var_name]
- out_c.write(",\n\t\t\t\t")
- for idx, field in enumerate(enum_var_lines):
- if idx != 0 and idx < len(enum_var_lines) - 2:
- field_ty = java_c_types(field.strip(' ;'), None)
- if idx >= 2:
- out_c.write(", ")
- if field_ty.is_ptr:
- out_c.write("(long)")
- elif field_ty.passed_as_ptr or field_ty.arr_len is not None:
- out_c.write("(long)&")
- out_c.write("obj->" + camel_to_snake(var_name) + "." + field_ty.var_name)
- out_c.write("\n\t\t\t")
- out_c.write(");\n")
- out_c.write("\t\tdefault: abort();\n")
- out_c.write("\t}\n}\n")
+ map_complex_enum(struct_name, union_enum_items[struct_name])
elif is_unitary_enum:
- with open(sys.argv[3] + "/" + struct_name + ".java", "w") as out_java_enum:
- out_java_enum.write("package org.ldk.enums;\n\n")
- unitary_enums.add(struct_name)
- out_c.write("static inline " + struct_name + " " + struct_name + "_from_java(JNIEnv *env, jclass val) {\n")
- out_c.write("\tswitch ((*env)->CallIntMethod(env, val, ordinal_meth)) {\n")
- ord_v = 0
- for idx, struct_line in enumerate(field_lines):
- if idx == 0:
- out_java_enum.write("public enum " + struct_name + " {\n")
- elif idx == len(field_lines) - 3:
- assert(struct_line.endswith("_Sentinel,"))
- elif idx == len(field_lines) - 2:
- out_java_enum.write("\t; static native void init();\n")
- out_java_enum.write("\tstatic { init(); }\n")
- out_java_enum.write("}")
- out_java.write("\tstatic { " + struct_name + ".values(); /* Force enum statics to run */ }\n")
- elif idx == len(field_lines) - 1:
- assert(struct_line == "")
- else:
- out_java_enum.write(struct_line + "\n")
- out_c.write("\t\tcase %d: return %s;\n" % (ord_v, struct_line.strip().strip(",")))
- ord_v = ord_v + 1
- out_c.write("\t}\n")
- out_c.write("\tabort();\n")
- out_c.write("}\n")
-
- ord_v = 0
- out_c.write("static jclass " + struct_name + "_class = NULL;\n")
- for idx, struct_line in enumerate(field_lines):
- if idx > 0 and idx < len(field_lines) - 3:
- variant = struct_line.strip().strip(",")
- out_c.write("static jfieldID " + struct_name + "_" + variant + " = NULL;\n")
- out_c.write("JNIEXPORT void JNICALL Java_org_ldk_enums_" + struct_name.replace("_", "_1") + "_init (JNIEnv * env, jclass clz) {\n")
- out_c.write("\t" + struct_name + "_class = (*env)->NewGlobalRef(env, clz);\n")
- out_c.write("\tDO_ASSERT(" + struct_name + "_class != NULL);\n")
- for idx, struct_line in enumerate(field_lines):
- if idx > 0 and idx < len(field_lines) - 3:
- variant = struct_line.strip().strip(",")
- out_c.write("\t" + struct_name + "_" + variant + " = (*env)->GetStaticFieldID(env, " + struct_name + "_class, \"" + variant + "\", \"Lorg/ldk/enums/" + struct_name + ";\");\n")
- out_c.write("\tDO_ASSERT(" + struct_name + "_" + variant + " != NULL);\n")
- out_c.write("}\n")
- out_c.write("static inline jclass " + struct_name + "_to_java(JNIEnv *env, " + struct_name + " val) {\n")
- out_c.write("\tswitch (val) {\n")
- for idx, struct_line in enumerate(field_lines):
- if idx > 0 and idx < len(field_lines) - 3:
- variant = struct_line.strip().strip(",")
- out_c.write("\t\tcase " + variant + ":\n")
- out_c.write("\t\t\treturn (*env)->GetStaticObjectField(env, " + struct_name + "_class, " + struct_name + "_" + variant + ");\n")
- ord_v = ord_v + 1
- out_c.write("\t\tdefault: abort();\n")
- out_c.write("\t}\n")
- out_c.write("}\n\n")
+ map_unitary_enum(struct_name, field_lines)
elif len(trait_fn_lines) > 0:
trait_structs.add(struct_name)
map_trait(struct_name, field_var_lines, trait_fn_lines)
projects / ldk-java / blobdiff