X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=typescript_strings.py;h=a8e9acdc204a84c778eafa276892500f574ecf56;hb=8bc2f20781c249d8018a52a392cca25b4c98d15d;hp=a76aeadb01f5c446a99629a491a0cbbdb3aae85c;hpb=6019e5b63803df1020363922331b23a1b5f4dc45;p=ldk-java diff --git a/typescript_strings.py b/typescript_strings.py index a76aeadb..a8e9acdc 100644 --- a/typescript_strings.py +++ b/typescript_strings.py @@ -17,7 +17,15 @@ class Consts: uint8_t = ['number', 'Uint8Array'], uint16_t = ['number', 'Uint16Array'], uint32_t = ['number', 'Uint32Array'], - long = ['number'], + uint64_t = ['number'], + ) + + self.wasm_decoding_map = dict( + int8_tArray = 'decodeArray' + ) + + self.wasm_encoding_map = dict( + int8_tArray = 'encodeArray', ) self.to_hu_conv_templates = dict( @@ -63,6 +71,17 @@ public static native long new_empty_slice_vec(); """ + self.bindings_footer = """ + export async function initializeWasm(allowDoubleInitialization: boolean = false): Promise { + if(isWasmInitialized && !allowDoubleInitialization) { + return; + } + const wasmInstance = await WebAssembly.instantiate(wasmModule, imports) + wasm = wasmInstance.exports; + isWasmInitialized = true; + } + """ + self.common_base = """ export default class CommonBase { ptr: number; @@ -76,6 +95,7 @@ public static native long new_empty_slice_vec(); """ self.c_file_pfx = """#include +#include "js-wasm.h" #include #include @@ -85,7 +105,7 @@ void *memcpy(void *dest, const void *src, size_t 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: @@ -196,9 +216,13 @@ _Static_assert(offsetof(LDKCVec_u8Z, datalen) == offsetof(LDKu8slice, datalen), _Static_assert(sizeof(void*) == 4, "Pointers mut be 32 bits"); -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 int8_tArray {uint32_t len;int8_t *ptr;} int8_tArray; +typedef struct int64_tArray { uint32_t *len; /* len + 1 is data */ } int64_tArray; +typedef struct uint32_tArray { uint32_t *len; /* len + 1 is data */ } uint32_tArray; +typedef struct ptrArray { uint32_t *len; /* len + 1 is data */ } ptrArray; +typedef struct int8_tArray { uint32_t *len; /* len + 1 is data */ } int8_tArray; +typedef struct jstring {} jstring; + +jstring conv_owned_string(const char* _src) { jstring a; return a; } typedef bool jboolean; @@ -214,64 +238,168 @@ import * as bindings from '../bindings' // TODO: figure out location self.c_fn_args_pfx = "void* ctx_TODO" self.file_ext = ".ts" self.ptr_c_ty = "uint32_t" - self.ptr_native_ty = "number" # "uint32_t" + self.ptr_native_ty = "number" self.result_c_ty = "uint32_t" - self.ptr_arr = "uint32_tArray" - self.get_native_arr_len_call = ("", ".len") - self.get_native_arr_ptr_call = ("", ".ptr") + self.owned_str_to_c_call = ("conv_owned_string(", ")") + self.ptr_arr = "ptrArray" + self.get_native_arr_len_call = ("*", ".len") - 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 + ", \"Native " + ty_info.c_ty + " Bytes\") }" + return "{ .len = MALLOC(" + arr_len + " + sizeof(uint32_t), \"Native " + ty_info.c_ty + " Bytes\") }" elif ty_info.c_ty == "int64_tArray": - return "{ .len = " + arr_len + ", .ptr = MALLOC(" + arr_len + " * sizeof(int64_t), \"Native " + ty_info.c_ty + " Bytes\") }" + return "{ .len = MALLOC(" + arr_len + " * sizeof(int64_t) + sizeof(uint32_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\") }" + return "{ .len = MALLOC(" + arr_len + " * sizeof(int32_t) + sizeof(uint32_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 = MALLOC(" + arr_len + " * sizeof(int32_t) + sizeof(uint32_t), \"Native Object Bytes\") }" else: print("Need to create arr!", ty_info.c_ty) return ty_info.c_ty def set_native_arr_contents(self, arr_name, arr_len, ty_info): if ty_info.c_ty == "int8_tArray": - return ("memcpy(" + arr_name + ".ptr, ", ", " + arr_len + ")") + return ("memcpy(" + arr_name + ".len + 1, ", ", " + arr_len + ")") else: assert False def get_native_arr_contents(self, arr_name, dest_name, arr_len, ty_info, copy): if ty_info.c_ty == "int8_tArray": if copy: - return "memcpy(" + dest_name + ", " + arr_name + ".ptr, " + arr_len + ")" + return "memcpy(" + dest_name + ", " + arr_name + ".len + 1, " + arr_len + ")" else: - return arr_name + ".ptr" + return "(int8_t*)(" + arr_name + ".len + 1)" else: - return "(" + ty_info.subty.c_ty + "*) " + arr_name + ".ptr" + return "(" + ty_info.subty.c_ty + "*)(" + arr_name + ".len + 1)" 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 + "*)(", ".len + 1)" + return "(" + ty_info.c_ty + "*)(", ".len + 1)" + 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 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; +import * as fs from 'fs'; +const source = fs.readFileSync('./ldk.wasm'); + +const memory = new WebAssembly.Memory({initial: 256}); +const wasmModule = new WebAssembly.Module(source); + +const imports: any = {}; +imports.env = {}; + +imports.env.memoryBase = 0; +imports.env.memory = memory; +imports.env.tableBase = 0; +imports.env.table = new WebAssembly.Table({initial: 4, element: 'anyfunc'}); + +imports.env["abort"] = function () { + console.error("ABORT"); +}; + +let wasm = null; +let isWasmInitialized: boolean = false; + + +// WASM CODEC + +const nextMultipleOfFour = (value: number) => { + return Math.ceil(value / 4) * 4; +} + +const encodeArray = (inputArray) => { + const cArrayPointer = wasm.wasm_malloc((inputArray.length + 1) * 4); + const arrayMemoryView = new Uint32Array(memory.buffer, cArrayPointer + 4, inputArray.length); + arrayMemoryView.set(inputArray, 1); + arrayMemoryView[0] = inputArray.length; + return cArrayPointer; +} + +const getArrayLength = (arrayPointer) => { + const arraySizeViewer = new Uint32Array( + memory.buffer, // value + arrayPointer, // offset + 1 // one int + ); + return arraySizeViewer[0]; +} +const decodeUint8Array = (arrayPointer, free = true) => { + const arraySize = getArrayLength(arrayPointer); + const actualArrayViewer = new Uint8Array( + memory.buffer, // value + arrayPointer + 4, // offset (ignoring length bytes) + arraySize // uint8 count + ); + // Clone the contents, TODO: In the future we should wrap the Viewer in a class that + // will free the underlying memory when it becomes unreachable instead of copying here. + const actualArray = actualArrayViewer.slice(0, arraySize); + if (free) { + wasm.free(arrayPointer); + } + return actualArray; +} +const decodeUint32Array = (arrayPointer, free = true) => { + const arraySize = getArrayLength(arrayPointer); + const actualArrayViewer = new Uint32Array( + memory.buffer, // value + arrayPointer + 4, // offset (ignoring length bytes) + arraySize // uint32 count + ); + // Clone the contents, TODO: In the future we should wrap the Viewer in a class that + // will free the underlying memory when it becomes unreachable instead of copying here. + const actualArray = actualArrayViewer.slice(0, arraySize); + if (free) { + wasm.free(arrayPointer); + } + return actualArray; +} + +const encodeString = (string) => { + // make malloc count divisible by 4 + const memoryNeed = nextMultipleOfFour(string.length + 1); + const stringPointer = wasm.wasm_malloc(memoryNeed); + const stringMemoryView = new Uint8Array( + memory.buffer, // value + stringPointer, // offset + string.length + 1 // length + ); + for (let i = 0; i < string.length; i++) { + stringMemoryView[i] = string.charCodeAt(i); + } + stringMemoryView[string.length] = 0; + return stringPointer; +} + +const decodeString = (stringPointer, free = true) => { + const memoryView = new Uint8Array(memory.buffer, stringPointer); + let cursor = 0; + let result = ''; + + while (memoryView[cursor] !== 0) { + result += String.fromCharCode(memoryView[cursor]); + cursor++; + } + + if (free) { + wasm.wasm_free(stringPointer); + } + + return result; +}; """ return '' - def init_str(self, c_array_class_caches): + def init_str(self): return "" def native_c_unitary_enum_map(self, struct_name, variants): @@ -478,10 +606,6 @@ const wasm = wasmInstance.exports; 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' @@ -489,8 +613,7 @@ const wasm = wasmInstance.exports; # 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" + out_c = out_c + "\t// TODO: Object pointer o;\n" for var in field_var_conversions: if isinstance(var, ConvInfo): # We're a regular ol' field @@ -500,7 +623,7 @@ const wasm = wasmInstance.exports; 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 + "\t// TODO: Some kind of method pointer " + fn.fn_name + "_meth;\n" out_c = out_c + "} " + struct_name + "_JCalls;\n" for fn_line in field_function_lines: @@ -508,9 +631,7 @@ const wasm = wasmInstance.exports; 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\t// TODO: do any release required for j_calls->o (refcnt-- in java, but may be redundant)\n" out_c = out_c + "\t\tFREE(j_calls);\n" out_c = out_c + "\t}\n}\n" @@ -528,8 +649,6 @@ const wasm = wasmInstance.exports; 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: @@ -537,13 +656,15 @@ const wasm = wasmInstance.exports; 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" + out_c = out_c + "\t//TODO: jobject obj = get object we can call against on j_calls->o\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" + out_c = out_c + "\t" + fn_line.ret_ty_info.c_ty + " arg; // TODO: Call " + fn_line.fn_name + " on j_calls with instance obj, returning an object" + elif fn_line.ret_ty_info.java_ty == "void": + out_c = out_c + "\treturn; //TODO: Call " + fn_line.fn_name + " on j_calls with instance obj" 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" + out_c = out_c + "\treturn 0; //TODO: Call " + fn_line.fn_name + " on j_calls with instance obj, returning " + fn_line.ret_ty_info.java_ty 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" + out_c = out_c + "\t" + fn_line.ret_ty_info.rust_obj + "* ret; // TODO: Call " + fn_line.fn_name + " on j_calls with instance obj, returning a pointer" for idx, arg_info in enumerate(fn_line.args_ty): if arg_info.ret_conv is not None: @@ -566,20 +687,17 @@ const wasm = wasmInstance.exports; 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" + out_c = out_c + "static inline " + struct_name + " " + struct_name + "_init (" + self.c_fn_args_pfx + ", /*TODO: JS Object Reference */void* 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 + ", /*TODO: JS Object Reference */void* " + 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" + out_c = out_c + "\t//TODO: Assign calls->o from o\n" for (fn_name, java_meth_descr) in java_meths: if fn_name != "free" and fn_name != "clone": @@ -607,7 +725,7 @@ const wasm = wasmInstance.exports; 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\t." + var[1] + " = " + var[0] + "_init(NULL, " + var[1] + "),\n" out_c = out_c + "\t};\n" for var in field_var_conversions: if not isinstance(var, ConvInfo): @@ -615,15 +733,15 @@ const wasm = wasmInstance.exports; 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" + 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 + ", /*TODO: JS Object Reference */void* 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 + ", /*TODO: JS Object Reference */ void* " + 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" + out_c = out_c + "\t*res_ptr = " + struct_name + "_init(NULL, o" for var in field_var_conversions: if isinstance(var, ConvInfo): out_c = out_c + ", " + var.arg_name @@ -633,12 +751,6 @@ const wasm = wasmInstance.exports; 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 trait_struct_inc_refcnt(self, ty_info): @@ -750,3 +862,177 @@ const wasm = wasmInstance.exports; }} """ return out_opaque_struct_human + + def map_function(self, argument_types, c_call_string, is_free, method_name, return_type_info, struct_meth, default_constructor_args, takes_self, args_known, has_out_java_struct: bool, type_mapping_generator): + out_java = "" + out_c = "" + out_java_struct = None + + out_java += ("\tpublic static native ") + out_c += (self.c_fn_ty_pfx) + out_c += (return_type_info.c_ty) + out_java += (return_type_info.java_ty) + if return_type_info.ret_conv is not None: + ret_conv_pfx, ret_conv_sfx = return_type_info.ret_conv + out_java += (" " + method_name + "(") + out_c += (" " + self.c_fn_name_pfx + method_name.replace('_', '_1') + "(" + self.c_fn_args_pfx) + + method_argument_string = "" + native_call_argument_string = "" + for idx, arg_conv_info in enumerate(argument_types): + if idx != 0: + method_argument_string += (", ") + native_call_argument_string += ', ' + if arg_conv_info.c_ty != "void": + out_c += (", ") + if arg_conv_info.c_ty != "void": + out_c += (arg_conv_info.c_ty + " " + arg_conv_info.arg_name) + needs_encoding = arg_conv_info.c_ty in self.wasm_encoding_map + native_argument = arg_conv_info.arg_name + if needs_encoding: + converter = self.wasm_encoding_map[arg_conv_info.c_ty] + native_argument = f"{converter}({arg_conv_info.arg_name})" + method_argument_string += f"{arg_conv_info.arg_name}: {arg_conv_info.java_ty}" + native_call_argument_string += native_argument + + has_return_value = return_type_info.c_ty != 'void' + needs_decoding = return_type_info.c_ty in self.wasm_decoding_map + return_statement = 'return nativeResponseValue;' + if not has_return_value: + return_statement = '// debug statements here' + elif needs_decoding: + converter = self.wasm_decoding_map[return_type_info.c_ty] + return_statement = f"return {converter}(nativeResponseValue);" + + out_java = f"""\texport function {method_name}({method_argument_string}): {return_type_info.java_ty} {{ + if(!isWasmInitialized) {{ + throw new Error("initializeWasm() must be awaited first!"); + }} + const nativeResponseValue = wasm.{method_name}({native_call_argument_string}); + {return_statement} + }} +""" + + if has_out_java_struct: + out_java_struct = "" + if not args_known: + out_java_struct += ("\t// Skipped " + method_name + "\n") + has_out_java_struct = False + else: + meth_n = method_name[len(struct_meth) + 1:] + if not takes_self: + out_java_struct += ( + "\tpublic static " + return_type_info.java_hu_ty + " constructor_" + meth_n + "(") + else: + out_java_struct += ("\tpublic " + return_type_info.java_hu_ty + " " + meth_n + "(") + for idx, arg in enumerate(argument_types): + if idx != 0: + if not takes_self or idx > 1: + out_java_struct += (", ") + elif takes_self: + continue + if arg.java_ty != "void": + if arg.arg_name in default_constructor_args: + for explode_idx, explode_arg in enumerate(default_constructor_args[arg.arg_name]): + if explode_idx != 0: + out_java_struct += (", ") + out_java_struct += ( + explode_arg.java_hu_ty + " " + arg.arg_name + "_" + explode_arg.arg_name) + else: + out_java_struct += (arg.java_hu_ty + " " + arg.arg_name) + + out_c += (") {\n") + if out_java_struct is not None: + out_java_struct += (") {\n") + for info in argument_types: + if info.arg_conv is not None: + out_c += ("\t" + info.arg_conv.replace('\n', "\n\t") + "\n") + if return_type_info.ret_conv is not None: + out_c += ("\t" + ret_conv_pfx.replace('\n', '\n\t')) + elif return_type_info.c_ty != "void": + out_c += ("\t" + return_type_info.c_ty + " ret_val = ") + else: + out_c += ("\t") + if c_call_string is None: + out_c += (method_name + "(") + else: + out_c += (c_call_string) + for idx, info in enumerate(argument_types): + if info.arg_conv_name is not None: + if idx != 0: + out_c += (", ") + elif c_call_string is not None: + continue + out_c += (info.arg_conv_name) + out_c += (")") + if return_type_info.ret_conv is not None: + out_c += (ret_conv_sfx.replace('\n', '\n\t')) + else: + out_c += (";") + for info in argument_types: + if info.arg_conv_cleanup is not None: + out_c += ("\n\t" + info.arg_conv_cleanup.replace("\n", "\n\t")) + if return_type_info.ret_conv is not None: + out_c += ("\n\treturn " + return_type_info.ret_conv_name + ";") + elif return_type_info.c_ty != "void": + out_c += ("\n\treturn ret_val;") + out_c += ("\n}\n\n") + + if has_out_java_struct: + out_java_struct += ("\t\t") + if return_type_info.java_ty != "void": + out_java_struct += (return_type_info.java_ty + " ret = ") + out_java_struct += ("bindings." + method_name + "(") + for idx, info in enumerate(argument_types): + if idx != 0: + out_java_struct += (", ") + if idx == 0 and takes_self: + out_java_struct += ("this.ptr") + elif info.arg_name in default_constructor_args: + out_java_struct += ("bindings." + info.java_hu_ty + "_new(") + for explode_idx, explode_arg in enumerate(default_constructor_args[info.arg_name]): + if explode_idx != 0: + out_java_struct += (", ") + expl_arg_name = info.arg_name + "_" + explode_arg.arg_name + if explode_arg.from_hu_conv is not None: + out_java_struct += ( + explode_arg.from_hu_conv[0].replace(explode_arg.arg_name, expl_arg_name)) + else: + out_java_struct += (expl_arg_name) + out_java_struct += (")") + elif info.from_hu_conv is not None: + out_java_struct += (info.from_hu_conv[0]) + else: + out_java_struct += (info.arg_name) + out_java_struct += (");\n") + if return_type_info.to_hu_conv is not None: + if not takes_self: + out_java_struct += ("\t\t" + return_type_info.to_hu_conv.replace("\n", "\n\t\t").replace("this", + return_type_info.to_hu_conv_name) + "\n") + else: + out_java_struct += ("\t\t" + return_type_info.to_hu_conv.replace("\n", "\n\t\t") + "\n") + + for idx, info in enumerate(argument_types): + if idx == 0 and takes_self: + pass + elif info.arg_name in default_constructor_args: + for explode_arg in default_constructor_args[info.arg_name]: + expl_arg_name = info.arg_name + "_" + explode_arg.arg_name + if explode_arg.from_hu_conv is not None and return_type_info.to_hu_conv_name: + out_java_struct += ("\t\t" + explode_arg.from_hu_conv[1].replace(explode_arg.arg_name, + expl_arg_name).replace( + "this", return_type_info.to_hu_conv_name) + ";\n") + elif info.from_hu_conv is not None and info.from_hu_conv[1] != "": + if not takes_self and return_type_info.to_hu_conv_name is not None: + out_java_struct += ( + "\t\t" + info.from_hu_conv[1].replace("this", return_type_info.to_hu_conv_name) + ";\n") + else: + out_java_struct += ("\t\t" + info.from_hu_conv[1] + ";\n") + + if return_type_info.to_hu_conv_name is not None: + out_java_struct += ("\t\treturn " + return_type_info.to_hu_conv_name + ";\n") + elif return_type_info.java_ty != "void" and return_type_info.rust_obj != "LDK" + struct_meth: + out_java_struct += ("\t\treturn ret;\n") + out_java_struct += ("\t}\n\n") + + return (out_java, out_c, out_java_struct)