-from language_constants import LanguageConstants
+from bindingstypes import ConvInfo
+from enum import Enum
-class Consts(LanguageConstants):
+def first_to_lower(string: str) -> str:
+ first = string[0]
+ return first.lower() + string[1:]
- def __init__(self, DEBUG):
- super().__init__()
- self.file_extension = 'ts'
+
+class Target(Enum):
+ NODEJS = 1,
+ BROWSER = 2
+
+class Consts:
+ def __init__(self, DEBUG: bool, target: Target, **kwargs):
+
+ self.c_type_map = dict(
+ uint8_t = ['number', 'Uint8Array'],
+ uint16_t = ['number', 'Uint16Array'],
+ uint32_t = ['number', 'Uint32Array'],
+ long = ['number'],
+ )
+
+ self.to_hu_conv_templates = dict(
+ ptr = 'const {var_name}_hu_conv: {human_type} = new {human_type}(null, {var_name});',
+ default = 'const {var_name}_hu_conv: {human_type} = new {human_type}(null, {var_name});',
+ )
+
+ self.bindings_header = self.wasm_import_header(target) + """
+export class VecOrSliceDef {
+ public dataptr: number;
+ public datalen: number;
+ public stride: number;
+ public constructor(dataptr: number, datalen: number, stride: number) {
+ this.dataptr = dataptr;
+ this.datalen = datalen;
+ this.stride = stride;
+ }
+}
+
+/*
+TODO: load WASM file
+static {
+ System.loadLibrary(\"lightningjni\");
+ init(java.lang.Enum.class, VecOrSliceDef.class);
+ init_class_cache();
+}
+
+static native void init(java.lang.Class c, java.lang.Class slicedef);
+static native void init_class_cache();
+
+public static native boolean deref_bool(long ptr);
+public static native long deref_long(long ptr);
+public static native void free_heap_ptr(long ptr);
+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 void txpointer_free(long ptr);
+public static native byte[] txpointer_get_buffer(long ptr);
+public static native long vec_slice_len(long vec);
+public static native long new_empty_slice_vec();
+*/
+
+"""
self.common_base = """
export default class CommonBase {
ptr: number;
- ptrs_to: object[] = new Array(); // new LinkedList(); TODO: build linked list implementation
+ ptrs_to: object[] = []; // new LinkedList(); TODO: build linked list implementation
protected constructor(ptr: number) { this.ptr = ptr; }
public _test_only_get_ptr(): number { return this.ptr; }
+ protected finalize() {
+ // TODO: finalize myself
+ }
}
"""
self.c_fn_ty_pfx = ""
self.c_fn_name_pfx = ""
self.c_fn_args_pfx = "void* ctx_TODO"
- self.file_ext = ""
+ self.file_ext = ".ts"
self.ptr_c_ty = "uint32_t"
- self.ptr_native_ty = "uint32_t"
+ self.ptr_native_ty = "number" # "uint32_t"
self.result_c_ty = "uint32_t"
self.ptr_arr = "uint32_tArray"
self.get_native_arr_len_call = ("", ".len")
else:
return None
+
+ def wasm_import_header(self, target):
+ if target == Target.NODEJS:
+ return """
+const path = require('path').join(__dirname, 'bindings.wasm');
+const bytes = require('fs').readFileSync(path);
+let imports = {};
+// add all exports to dictionary and move down?
+// use `module.exports`?
+// imports['./bindings.js'] = require('./bindings.js');
+
+const wasmModule = new WebAssembly.Module(bytes);
+const wasmInstance = new WebAssembly.Instance(wasmModule, imports);
+// module.exports = wasmInstance.exports;
+const wasm = wasmInstance.exports;
+ """
+ return ''
+
def init_str(self, c_array_class_caches):
return ""
out_c = "static inline " + struct_name + " " + struct_name + "_from_js(int32_t ord) {\n"
out_c = out_c + "\tswitch (ord) {\n"
ord_v = 0
+
+ out_typescript_enum_fields = ""
+
for var in variants:
out_c = out_c + "\t\tcase %d: return %s;\n" % (ord_v, var)
ord_v = ord_v + 1
+ out_typescript_enum_fields += f"{var},\n\t\t\t\t"
out_c = out_c + "\t}\n"
out_c = out_c + "\tabort();\n"
out_c = out_c + "}\n"
out_c = out_c + "\t\tdefault: abort();\n"
out_c = out_c + "\t}\n"
out_c = out_c + "}\n"
- return (out_c, "", "")
+
+ out_typescript_enum = f"""
+ export enum {struct_name} {{
+ {out_typescript_enum_fields}
+ }}
+ """
+
+ return (out_c, out_typescript_enum, "")
def c_unitary_enum_to_native_call(self, ty_info):
return (ty_info.rust_obj + "_to_js(", ")")
def native_unitary_enum_to_c_call(self, ty_info):
return (ty_info.rust_obj + "_from_js(", ")")
- def c_complex_enum_pfx(self, struct_name, variants, init_meth_jty_strs):
- return ""
-
def c_complex_enum_pass_ty(self, struct_name):
return "uint32_t"
ret = ret + "; (void) " + param
return ret
- def native_c_map_trait(self, struct_name, field_var_convs, field_fn_lines):
- return ("", "")
+ def native_c_map_trait(self, struct_name, field_var_conversions, field_function_lines):
+ out_typescript_bindings = "\n\n\n// OUT_TYPESCRIPT_BINDINGS :: MAP_TRAIT :: START\n\n"
+
+ constructor_arguments = ""
+ super_instantiator = ""
+ pointer_to_adder = ""
+ impl_constructor_arguments = ""
+ for var in field_var_conversions:
+ if isinstance(var, ConvInfo):
+ constructor_arguments += f", {first_to_lower(var.arg_name)}?: {var.java_hu_ty}"
+ impl_constructor_arguments += f", {var.arg_name}: {var.java_hu_ty}"
+ if var.from_hu_conv is not None:
+ super_instantiator += ", " + var.from_hu_conv[0]
+ if var.from_hu_conv[1] != "":
+ pointer_to_adder += var.from_hu_conv[1] + ";\n"
+ else:
+ super_instantiator += ", " + first_to_lower(var.arg_name)
+ else:
+ constructor_arguments += f", {first_to_lower(var[1])}?: bindings.{var[0]}"
+ super_instantiator += ", " + first_to_lower(var[1])
+ pointer_to_adder += "this.ptrs_to.push(" + first_to_lower(var[1]) + ");\n"
+ impl_constructor_arguments += f", {first_to_lower(var[1])}_impl: {var[0].replace('LDK', '')}.{var[0].replace('LDK', '')}Interface"
+
+ # BUILD INTERFACE METHODS
+ out_java_interface = ""
+ out_interface_implementation_overrides = ""
+ java_methods = []
+ for fn_line in field_function_lines:
+ java_method_descriptor = ""
+ if fn_line.fn_name != "free" and fn_line.fn_name != "clone":
+ out_java_interface += fn_line.fn_name + "("
+ out_interface_implementation_overrides += f"{fn_line.fn_name} ("
+
+ for idx, arg_conv_info in enumerate(fn_line.args_ty):
+ if idx >= 1:
+ out_java_interface += ", "
+ out_interface_implementation_overrides += ", "
+ out_java_interface += f"{arg_conv_info.arg_name}: {arg_conv_info.java_hu_ty}"
+ out_interface_implementation_overrides += f"{arg_conv_info.arg_name}: {arg_conv_info.java_ty}"
+ java_method_descriptor += arg_conv_info.java_fn_ty_arg
+ out_java_interface += f"): {fn_line.ret_ty_info.java_hu_ty};\n\t\t\t\t"
+ java_method_descriptor += ")" + fn_line.ret_ty_info.java_fn_ty_arg
+ java_methods.append((fn_line.fn_name, java_method_descriptor))
+
+ out_interface_implementation_overrides += f"): {fn_line.ret_ty_info.java_ty} {{\n"
+
+ interface_method_override_inset = "\t\t\t\t\t\t"
+ interface_implementation_inset = "\t\t\t\t\t\t\t"
+ for arg_info in fn_line.args_ty:
+ if arg_info.to_hu_conv is not None:
+ out_interface_implementation_overrides += interface_implementation_inset + arg_info.to_hu_conv.replace("\n", "\n\t\t\t\t") + "\n"
+
+ if fn_line.ret_ty_info.java_ty != "void":
+ out_interface_implementation_overrides += interface_implementation_inset + fn_line.ret_ty_info.java_hu_ty + " ret = arg." + fn_line.fn_name + "("
+ else:
+ out_interface_implementation_overrides += f"{interface_implementation_inset}arg." + fn_line.fn_name + "("
+
+ for idx, arg_info in enumerate(fn_line.args_ty):
+ if idx != 0:
+ out_interface_implementation_overrides += ", "
+ if arg_info.to_hu_conv_name is not None:
+ out_interface_implementation_overrides += arg_info.to_hu_conv_name
+ else:
+ out_interface_implementation_overrides += arg_info.arg_name
+
+ out_interface_implementation_overrides += ");\n"
+ if fn_line.ret_ty_info.java_ty != "void":
+ if fn_line.ret_ty_info.from_hu_conv is not None:
+ out_interface_implementation_overrides = out_interface_implementation_overrides + "\t\t\t\t" + f"result: {fn_line.ret_ty_info.java_ty} = " + fn_line.ret_ty_info.from_hu_conv[0] + ";\n"
+ if fn_line.ret_ty_info.from_hu_conv[1] != "":
+ out_interface_implementation_overrides = out_interface_implementation_overrides + "\t\t\t\t" + fn_line.ret_ty_info.from_hu_conv[1].replace("this", "impl_holder.held") + ";\n"
+ #if fn_line.ret_ty_info.rust_obj in result_types:
+ # XXX: We need to handle this in conversion logic so that its cross-language!
+ # Avoid double-free by breaking the result - we should learn to clone these and then we can be safe instead
+ # out_interface_implementation_overrides = out_interface_implementation_overrides + "\t\t\t\tret.ptr = 0;\n"
+ out_interface_implementation_overrides = out_interface_implementation_overrides + "\t\t\t\treturn result;\n"
+ else:
+ out_interface_implementation_overrides = out_interface_implementation_overrides + "\t\t\t\treturn ret;\n"
+ out_interface_implementation_overrides += f"{interface_method_override_inset}}},\n\n{interface_method_override_inset}"
+
+ trait_constructor_arguments = ""
+ for var in field_var_conversions:
+ if isinstance(var, ConvInfo):
+ trait_constructor_arguments += ", " + var.arg_name
+ else:
+ trait_constructor_arguments += ", " + var[1] + ".new_impl(" + var[1] + "_impl).bindings_instance"
+
+
+
+ out_typescript_human = f"""
+ {self.hu_struct_file_prefix}
+
+ export class {struct_name.replace("LDK","")} extends CommonBase {{
+
+ bindings_instance?: bindings.{struct_name};
+
+ constructor(ptr?: number, arg?: bindings.{struct_name}{constructor_arguments}) {{
+ if (Number.isFinite(ptr)) {{
+ super(ptr);
+ this.bindings_instance = null;
+ }} else {{
+ // TODO: private constructor instantiation
+ super(bindings.{struct_name}_new(arg{super_instantiator}));
+ this.ptrs_to.push(arg);
+ {pointer_to_adder}
+ }}
+ }}
+
+ protected finalize() {{
+ if (this.ptr != 0) {{
+ bindings.{struct_name.replace("LDK","")}_free(this.ptr);
+ }}
+ super.finalize();
+ }}
+
+ static new_impl(arg: {struct_name.replace("LDK", "")}Interface{impl_constructor_arguments}): {struct_name.replace("LDK", "")} {{
+ const impl_holder: {struct_name}Holder = new {struct_name}Holder();
+ let structImplementation = <bindings.{struct_name}>{{
+
+ // todo: in-line interface filling
+
+ {out_interface_implementation_overrides}
+ }};
+ impl_holder.held = new {struct_name.replace("LDK", "")} (null, structImplementation{trait_constructor_arguments});
+ }}
+
+ }}
+
+ export interface {struct_name.replace("LDK", "")}Interface {{
+ {out_java_interface}
+ }}
+
+ class {struct_name}Holder {{
+ held: {struct_name.replace("LDK", "")};
+ }}
+
+ """
+
+
+
+ out_typescript_bindings += "\t\texport interface " + struct_name + " {\n"
+ java_meths = []
+ for fn_line in field_function_lines:
+ if fn_line.fn_name != "free" and fn_line.fn_name != "clone":
+ out_typescript_bindings += f"\t\t\t{fn_line.fn_name} ("
+
+ for idx, arg_conv_info in enumerate(fn_line.args_ty):
+ if idx >= 1:
+ out_typescript_bindings = out_typescript_bindings + ", "
+ out_typescript_bindings += f"{arg_conv_info.arg_name}: {arg_conv_info.java_ty}"
+
+ out_typescript_bindings += f"): {fn_line.ret_ty_info.java_ty};\n"
+
+ out_typescript_bindings = out_typescript_bindings + "\t\t}\n\n"
+
+ out_typescript_bindings += f"\t\texport function {struct_name}_new(impl: {struct_name}"
+ for var in field_var_conversions:
+ if isinstance(var, ConvInfo):
+ out_typescript_bindings += f", {var.arg_name}: {var.java_ty}"
+ else:
+ out_typescript_bindings += f", {var[1]}: {var[0]}"
+
+ out_typescript_bindings += f"""): number {{
+ throw new Error('unimplemented'); // TODO: bind to WASM
+ }}
+
+ export function {struct_name}_get_obj_from_jcalls(val: number): {struct_name} {{
+ throw new Error('unimplemented'); // TODO: bind to WASM
+ }}
+ """
+
+ out_typescript_bindings += '\n// OUT_TYPESCRIPT_BINDINGS :: MAP_TRAIT :: END\n\n\n'
+
+ # Now that we've written out our java code (and created java_meths), generate C
+ out_c = "typedef struct " + struct_name + "_JCalls {\n"
+ out_c = out_c + "\tatomic_size_t refcnt;\n"
+ out_c = out_c + "\tJavaVM *vm;\n"
+ out_c = out_c + "\tjweak o;\n"
+ for var in field_var_conversions:
+ if isinstance(var, ConvInfo):
+ # We're a regular ol' field
+ pass
+ else:
+ # We're a supertrait
+ out_c = out_c + "\t" + var[0] + "_JCalls* " + var[1] + ";\n"
+ for fn in field_function_lines:
+ if fn.fn_name != "free" and fn.fn_name != "clone":
+ out_c = out_c + "\tjmethodID " + fn.fn_name + "_meth;\n"
+ out_c = out_c + "} " + struct_name + "_JCalls;\n"
+
+ for fn_line in field_function_lines:
+ if fn_line.fn_name == "free":
+ out_c = out_c + "static void " + struct_name + "_JCalls_free(void* this_arg) {\n"
+ out_c = out_c + "\t" + struct_name + "_JCalls *j_calls = (" + struct_name + "_JCalls*) this_arg;\n"
+ out_c = out_c + "\tif (atomic_fetch_sub_explicit(&j_calls->refcnt, 1, memory_order_acquire) == 1) {\n"
+ out_c = out_c + "\t\tJNIEnv *env;\n"
+ out_c = out_c + "\t\tDO_ASSERT((*j_calls->vm)->GetEnv(j_calls->vm, (void**)&env, JNI_VERSION_1_8) == JNI_OK);\n"
+ out_c = out_c + "\t\t(*env)->DeleteWeakGlobalRef(env, j_calls->o);\n"
+ out_c = out_c + "\t\tFREE(j_calls);\n"
+ out_c = out_c + "\t}\n}\n"
+
+ for idx, fn_line in enumerate(field_function_lines):
+ if fn_line.fn_name != "free" and fn_line.fn_name != "clone":
+ assert fn_line.ret_ty_info.ty_info.get_full_rust_ty()[1] == ""
+ out_c = out_c + fn_line.ret_ty_info.ty_info.get_full_rust_ty()[0] + " " + fn_line.fn_name + "_jcall("
+ if fn_line.self_is_const:
+ out_c = out_c + "const void* this_arg"
+ else:
+ out_c = out_c + "void* this_arg"
+
+ for idx, arg in enumerate(fn_line.args_ty):
+ out_c = out_c + ", " + arg.ty_info.get_full_rust_ty()[0] + " " + arg.arg_name + arg.ty_info.get_full_rust_ty()[1]
+
+ out_c = out_c + ") {\n"
+ out_c = out_c + "\t" + struct_name + "_JCalls *j_calls = (" + struct_name + "_JCalls*) this_arg;\n"
+ out_c = out_c + "\tJNIEnv *env;\n"
+ out_c = out_c + "\tDO_ASSERT((*j_calls->vm)->GetEnv(j_calls->vm, (void**)&env, JNI_VERSION_1_8) == JNI_OK);\n"
+
+ for arg_info in fn_line.args_ty:
+ if arg_info.ret_conv is not None:
+ out_c = out_c + "\t" + arg_info.ret_conv[0].replace('\n', '\n\t')
+ out_c = out_c + arg_info.arg_name
+ out_c = out_c + arg_info.ret_conv[1].replace('\n', '\n\t') + "\n"
+
+ out_c = out_c + "\tjobject obj = (*env)->NewLocalRef(env, j_calls->o);\n\tCHECK(obj != NULL);\n"
+ if fn_line.ret_ty_info.c_ty.endswith("Array"):
+ out_c = out_c + "\t" + fn_line.ret_ty_info.c_ty + " arg = (*env)->CallObjectMethod(env, obj, j_calls->" + fn_line.fn_name + "_meth"
+ elif not fn_line.ret_ty_info.passed_as_ptr:
+ out_c = out_c + "\treturn (*env)->Call" + fn_line.ret_ty_info.java_ty.title() + "Method(env, obj, j_calls->" + fn_line.fn_name + "_meth"
+ else:
+ out_c = out_c + "\t" + fn_line.ret_ty_info.rust_obj + "* ret = (" + fn_line.ret_ty_info.rust_obj + "*)(*env)->CallLongMethod(env, obj, j_calls->" + fn_line.fn_name + "_meth"
+
+ for idx, arg_info in enumerate(fn_line.args_ty):
+ if arg_info.ret_conv is not None:
+ out_c = out_c + ", " + arg_info.ret_conv_name
+ else:
+ out_c = out_c + ", " + arg_info.arg_name
+ out_c = out_c + ");\n"
+ if fn_line.ret_ty_info.arg_conv is not None:
+ out_c = out_c + "\t" + fn_line.ret_ty_info.arg_conv.replace("\n", "\n\t") + "\n\treturn " + fn_line.ret_ty_info.arg_conv_name + ";\n"
+
+ out_c = out_c + "}\n"
+
+ # Write out a clone function whether we need one or not, as we use them in moving to rust
+ out_c = out_c + "static void* " + struct_name + "_JCalls_clone(const void* this_arg) {\n"
+ out_c = out_c + "\t" + struct_name + "_JCalls *j_calls = (" + struct_name + "_JCalls*) this_arg;\n"
+ out_c = out_c + "\tatomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);\n"
+ for var in field_var_conversions:
+ if not isinstance(var, ConvInfo):
+ out_c = out_c + "\tatomic_fetch_add_explicit(&j_calls->" + var[1] + "->refcnt, 1, memory_order_release);\n"
+ out_c = out_c + "\treturn (void*) this_arg;\n"
+ out_c = out_c + "}\n"
+
+ out_c = out_c + "static inline " + struct_name + " " + struct_name + "_init (" + self.c_fn_args_pfx + ", jobject o"
+ for var in field_var_conversions:
+ if isinstance(var, ConvInfo):
+ out_c = out_c + ", " + var.c_ty + " " + var.arg_name
+ else:
+ out_c = out_c + ", jobject " + var[1]
+ out_c = out_c + ") {\n"
+
+ out_c = out_c + "\tjclass c = (*env)->GetObjectClass(env, o);\n"
+ out_c = out_c + "\tCHECK(c != NULL);\n"
+ out_c = out_c + "\t" + struct_name + "_JCalls *calls = MALLOC(sizeof(" + struct_name + "_JCalls), \"" + struct_name + "_JCalls\");\n"
+ out_c = out_c + "\tatomic_init(&calls->refcnt, 1);\n"
+ out_c = out_c + "\tDO_ASSERT((*env)->GetJavaVM(env, &calls->vm) == 0);\n"
+ out_c = out_c + "\tcalls->o = (*env)->NewWeakGlobalRef(env, o);\n"
+
+ for (fn_name, java_meth_descr) in java_meths:
+ if fn_name != "free" and fn_name != "clone":
+ out_c = out_c + "\tcalls->" + fn_name + "_meth = (*env)->GetMethodID(env, c, \"" + fn_name + "\", \"" + java_meth_descr + "\");\n"
+ out_c = out_c + "\tCHECK(calls->" + fn_name + "_meth != NULL);\n"
+
+ for var in field_var_conversions:
+ if isinstance(var, ConvInfo) and var.arg_conv is not None:
+ out_c = out_c + "\n\t" + var.arg_conv.replace("\n", "\n\t") +"\n"
+ out_c = out_c + "\n\t" + struct_name + " ret = {\n"
+ out_c = out_c + "\t\t.this_arg = (void*) calls,\n"
+ for fn_line in field_function_lines:
+ if fn_line.fn_name != "free" and fn_line.fn_name != "clone":
+ out_c = out_c + "\t\t." + fn_line.fn_name + " = " + fn_line.fn_name + "_jcall,\n"
+ elif fn_line.fn_name == "free":
+ out_c = out_c + "\t\t.free = " + struct_name + "_JCalls_free,\n"
+ else:
+ out_c = out_c + "\t\t.clone = " + struct_name + "_JCalls_clone,\n"
+ for var in field_var_conversions:
+ if isinstance(var, ConvInfo):
+ if var.arg_conv_name is not None:
+ out_c = out_c + "\t\t." + var.arg_name + " = " + var.arg_conv_name + ",\n"
+ out_c = out_c + "\t\t.set_" + var.arg_name + " = NULL,\n"
+ else:
+ out_c = out_c + "\t\t." + var.var_name + " = " + var.var_name + ",\n"
+ out_c = out_c + "\t\t.set_" + var.var_name + " = NULL,\n"
+ else:
+ out_c = out_c + "\t\t." + var[1] + " = " + var[0] + "_init(env, clz, " + var[1] + "),\n"
+ out_c = out_c + "\t};\n"
+ for var in field_var_conversions:
+ if not isinstance(var, ConvInfo):
+ out_c = out_c + "\tcalls->" + var[1] + " = ret." + var[1] + ".this_arg;\n"
+ out_c = out_c + "\treturn ret;\n"
+ out_c = out_c + "}\n"
+
+ out_c = out_c + self.c_fn_ty_pfx + "long " + self.c_fn_name_pfx + struct_name.replace("_", "_1") + "_1new (" + self.c_fn_args_pfx + ", jobject o"
+ for var in field_var_conversions:
+ if isinstance(var, ConvInfo):
+ out_c = out_c + ", " + var.c_ty + " " + var.arg_name
+ else:
+ out_c = out_c + ", jobject " + var[1]
+ out_c = out_c + ") {\n"
+ out_c = out_c + "\t" + struct_name + " *res_ptr = MALLOC(sizeof(" + struct_name + "), \"" + struct_name + "\");\n"
+ out_c = out_c + "\t*res_ptr = " + struct_name + "_init(env, clz, o"
+ for var in field_var_conversions:
+ if isinstance(var, ConvInfo):
+ out_c = out_c + ", " + var.arg_name
+ else:
+ out_c = out_c + ", " + var[1]
+ out_c = out_c + ");\n"
+ out_c = out_c + "\treturn (long)res_ptr;\n"
+ out_c = out_c + "}\n"
+
+ out_c = out_c + self.c_fn_ty_pfx + "jobject " + self.c_fn_name_pfx + struct_name.replace("_", "_1") + "_1get_1obj_1from_1jcalls (" + self.c_fn_args_pfx + ", " + self.ptr_c_ty + " val) {\n"
+ out_c = out_c + "\tjobject ret = (*env)->NewLocalRef(env, ((" + struct_name + "_JCalls*)val)->o);\n"
+ out_c = out_c + "\tCHECK(ret != NULL);\n"
+ out_c = out_c + "\treturn ret;\n"
+ out_c = out_c + "}\n"
+
+
+ return (out_typescript_bindings, out_typescript_human, out_c)
+
+ def map_complex_enum(self, struct_name, variant_list, camel_to_snake):
+ java_hu_type = struct_name.replace("LDK", "")
+
+ out_java_enum = ""
+ out_java = ""
+ out_c = ""
+
+ out_java_enum += (self.hu_struct_file_prefix)
+ out_java_enum += ("export default class " + java_hu_type + " extends CommonBase {\n")
+ out_java_enum += ("\tprotected constructor(_dummy: object, ptr: number) { super(ptr); }\n")
+ out_java_enum += ("\tprotected finalize() {\n")
+ out_java_enum += ("\t\tsuper.finalize();\n")
+ out_java_enum += ("\t\tif (this.ptr != 0) { bindings." + java_hu_type + "_free(this.ptr); }\n")
+ out_java_enum += ("\t}\n")
+ out_java_enum += f"\tstatic constr_from_ptr(ptr: number): {java_hu_type} {{\n"
+ out_java_enum += (f"\t\tconst raw_val: bindings.{struct_name} = bindings." + struct_name + "_ref_from_ptr(ptr);\n")
+ java_hu_subclasses = ""
+
+ out_java += ("\tpublic static class " + struct_name + " {\n")
+ out_java += ("\t\tprivate " + struct_name + "() {}\n")
+ for var in variant_list:
+ out_java += ("\t\texport class " + var.var_name + " extends " + struct_name + " {\n")
+ java_hu_subclasses = java_hu_subclasses + "export class " + var.var_name + " extends " + java_hu_type + " {\n"
+ out_java_enum += ("\t\tif (raw_val instanceof bindings." + struct_name + "." + var.var_name + ") {\n")
+ out_java_enum += ("\t\t\treturn new " + var.var_name + "(this.ptr, raw_val);\n")
+ init_meth_params = ""
+ init_meth_body = ""
+ hu_conv_body = ""
+ for idx, field_ty in enumerate(var.fields):
+ out_java += ("\t\t\tpublic " + field_ty.java_ty + " " + field_ty.arg_name + ";\n")
+ java_hu_subclasses = java_hu_subclasses + "\tpublic " + field_ty.arg_name + f": {field_ty.java_hu_ty};\n"
+ if field_ty.to_hu_conv is not None:
+ hu_conv_body = hu_conv_body + "\t\tconst " + field_ty.arg_name + f": {field_ty.java_ty} = obj." + field_ty.arg_name + ";\n"
+ hu_conv_body = hu_conv_body + "\t\t" + field_ty.to_hu_conv.replace("\n", "\n\t\t\t") + "\n"
+ hu_conv_body = hu_conv_body + "\t\tthis." + field_ty.arg_name + " = " + field_ty.to_hu_conv_name + ";\n"
+ else:
+ hu_conv_body = hu_conv_body + "\t\tthis." + field_ty.arg_name + " = obj." + field_ty.arg_name + ";\n"
+ if idx > 0:
+ init_meth_params = init_meth_params + ", "
+ init_meth_params = init_meth_params + field_ty.java_ty + " " + field_ty.arg_name
+ init_meth_body = init_meth_body + "this." + field_ty.arg_name + " = " + field_ty.arg_name + "; "
+ out_java += ("\t\t\t" + var.var_name + "(" + init_meth_params + ") { ")
+ out_java += (init_meth_body)
+ out_java += ("}\n")
+ out_java += ("\t\t}\n")
+ out_java_enum += ("\t\t}\n")
+ java_hu_subclasses = java_hu_subclasses + "\tprivate constructor(ptr: number, obj: bindings." + struct_name + "." + var.var_name + ") {\n\t\tsuper(null, ptr);\n"
+ java_hu_subclasses = java_hu_subclasses + hu_conv_body
+ java_hu_subclasses = java_hu_subclasses + "\t}\n}\n"
+ out_java += ("\t\tstatic native void init();\n")
+ out_java += ("\t}\n")
+ out_java_enum += ("\t\tthrow new Error('oops, this should be unreachable'); // Unreachable without extending the (internal) bindings interface\n\t}\n\n")
+ out_java += ("\tstatic { " + struct_name + ".init(); }\n")
+ out_java += ("\tpublic static native " + struct_name + " " + struct_name + "_ref_from_ptr(long ptr);\n");
+
+ out_c += (self.c_fn_ty_pfx + self.c_complex_enum_pass_ty(struct_name) + " " + self.c_fn_name_pfx + struct_name.replace("_", "_1") + "_1ref_1from_1ptr (" + self.c_fn_args_pfx + ", " + self.ptr_c_ty + " ptr) {\n")
+ out_c += ("\t" + struct_name + " *obj = (" + struct_name + "*)ptr;\n")
+ out_c += ("\tswitch(obj->tag) {\n")
+ for var in variant_list:
+ out_c += ("\t\tcase " + struct_name + "_" + var.var_name + ": {\n")
+ c_params = []
+ for idx, field_map in enumerate(var.fields):
+ if field_map.ret_conv is not None:
+ out_c += ("\t\t\t" + field_map.ret_conv[0].replace("\n", "\n\t\t\t"))
+ out_c += ("obj->" + camel_to_snake(var.var_name) + "." + field_map.arg_name)
+ out_c += (field_map.ret_conv[1].replace("\n", "\n\t\t\t") + "\n")
+ c_params.append(field_map.ret_conv_name)
+ else:
+ c_params.append("obj->" + camel_to_snake(var.var_name) + "." + field_map.arg_name)
+ out_c += ("\t\t\treturn " + self.c_constr_native_complex_enum(struct_name, var.var_name, c_params) + ";\n")
+ out_c += ("\t\t}\n")
+ out_c += ("\t\tdefault: abort();\n")
+ out_c += ("\t}\n}\n")
+ out_java_enum += ("}\n")
+ out_java_enum += (java_hu_subclasses)
+ return (out_java, out_java_enum, out_c)
+
+ def map_opaque_struct(self, struct_name):
+
+ implementations = ""
+ method_header = ""
+ if struct_name.startswith("LDKLocked"):
+ implementations += "implements AutoCloseable "
+ method_header = """
+ public close() {
+ """
+ else:
+ method_header = """
+ protected finalize() {
+ super.finalize();
+ """
+
+ out_opaque_struct_human = f"""
+ {self.hu_struct_file_prefix}
+
+ export default class {struct_name.replace("LDK","")} extends CommonBase {implementations}{{
+ constructor(_dummy: object, ptr: number) {{
+ super(ptr);
+ }}
+
+ {method_header}
+ if (this.ptr != 0) {{
+ bindings.{struct_name.replace("LDK","")}_free(this.ptr);
+ }}
+ }}
+ """
+ return out_opaque_struct_human