X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=java_strings.py;h=e6a17ebd5dde9756eac644d05481b8e1b6be0154;hb=refs%2Fheads%2F2021-03-init-util;hp=2e9ae67052d7d06fe6873065da9004d0a72fc4a2;hpb=ba97d8dee5ef43b8b61c9a61e30789cdf8eb9c5e;p=ldk-java diff --git a/java_strings.py b/java_strings.py index 2e9ae670..e6a17ebd 100644 --- a/java_strings.py +++ b/java_strings.py @@ -1,13 +1,19 @@ from bindingstypes import * +from enum import Enum -class Consts: - def __init__(self, DEBUG: bool, **kwargs): +class Target(Enum): + JAVA = 1, + ANDROID = 2 +class Consts: + def __init__(self, DEBUG: bool, target: Target, **kwargs): + self.target = target + self.c_array_class_caches = set() self.c_type_map = dict( uint8_t = ['byte'], uint16_t = ['short'], uint32_t = ['int'], - long = ['long'], + uint64_t = ['long'], ) self.to_hu_conv_templates = dict( @@ -49,6 +55,15 @@ public class bindings { """ + self.bindings_footer = "}\n" + + self.util_fn_pfx = """package org.ldk.structs; +import org.ldk.impl.bindings; +import java.util.Arrays; + +public class UtilMethods { +""" + self.util_fn_sfx = "}" self.common_base = """package org.ldk.structs; import java.util.LinkedList; class CommonBase { @@ -65,6 +80,7 @@ class CommonBase { #include #include #include + """ if not DEBUG: @@ -100,16 +116,18 @@ typedef struct allocation { const char* struct_name; void* bt[BT_MAX]; int bt_len; + size_t alloc_len; } allocation; static allocation* allocation_ll = NULL; void* __real_malloc(size_t len); void* __real_calloc(size_t nmemb, size_t len); -static void new_allocation(void* res, const char* struct_name) { +static void new_allocation(void* res, const char* struct_name, size_t len) { allocation* new_alloc = __real_malloc(sizeof(allocation)); new_alloc->ptr = res; new_alloc->struct_name = struct_name; new_alloc->bt_len = backtrace(new_alloc->bt, BT_MAX); + new_alloc->alloc_len = len; DO_ASSERT(mtx_lock(&allocation_mtx) == thrd_success); new_alloc->next = allocation_ll; allocation_ll = new_alloc; @@ -117,7 +135,7 @@ static void new_allocation(void* res, const char* struct_name) { } static void* MALLOC(size_t len, const char* struct_name) { void* res = __real_malloc(len); - new_allocation(res, struct_name); + new_allocation(res, struct_name, len); return res; } void __real_free(void* ptr); @@ -150,12 +168,12 @@ static void FREE(void* ptr) { void* __wrap_malloc(size_t len) { void* res = __real_malloc(len); - new_allocation(res, "malloc call"); + new_allocation(res, "malloc call", len); return res; } void* __wrap_calloc(size_t nmemb, size_t len) { void* res = __real_calloc(nmemb, len); - new_allocation(res, "calloc call"); + new_allocation(res, "calloc call", len); return res; } void __wrap_free(void* ptr) { @@ -168,7 +186,7 @@ void* __real_realloc(void* ptr, size_t newlen); void* __wrap_realloc(void* ptr, size_t len) { if (ptr != NULL) alloc_freed(ptr); void* res = __real_realloc(ptr, len); - new_allocation(res, "realloc call"); + new_allocation(res, "realloc call", len); return res; } void __wrap_reallocarray(void* ptr, size_t new_sz) { @@ -177,11 +195,16 @@ void __wrap_reallocarray(void* ptr, size_t new_sz) { } void __attribute__((destructor)) check_leaks() { + size_t alloc_count = 0; + size_t alloc_size = 0; for (allocation* a = allocation_ll; a != NULL; a = a->next) { fprintf(stderr, "%s %p remains:\\n", a->struct_name, a->ptr); backtrace_symbols_fd(a->bt, a->bt_len, STDERR_FILENO); fprintf(stderr, "\\n\\n"); + alloc_count++; + alloc_size += a->alloc_len; } + fprintf(stderr, "%lu allocations remained for %lu bytes.\\n", alloc_count, alloc_size); DO_ASSERT(allocation_ll == NULL); } """ @@ -218,7 +241,7 @@ JNIEXPORT jbyteArray JNICALL Java_org_ldk_impl_bindings_get_1u8_1slice_1bytes (J (*env)->SetByteArrayRegion(env, ret_arr, 0, slice->datalen, slice->data); return ret_arr; } -JNIEXPORT long JNICALL Java_org_ldk_impl_bindings_bytes_1to_1u8_1vec (JNIEnv * env, jclass _b, jbyteArray bytes) { +JNIEXPORT int64_t impl_bindings_bytes_1to_1u8_1vec (JNIEnv * env, jclass _b, jbyteArray bytes) { LDKCVec_u8Z *vec = (LDKCVec_u8Z*)MALLOC(sizeof(LDKCVec_u8Z), "LDKCVec_u8"); vec->datalen = (*env)->GetArrayLength(env, bytes); vec->data = (uint8_t*)MALLOC(vec->datalen, "LDKCVec_u8Z Bytes"); @@ -232,7 +255,7 @@ JNIEXPORT jbyteArray JNICALL Java_org_ldk_impl_bindings_txpointer_1get_1buffer ( slice.datalen = txdata->datalen; return Java_org_ldk_impl_bindings_get_1u8_1slice_1bytes(env, _b, (long)&slice); } -JNIEXPORT long JNICALL Java_org_ldk_impl_bindings_new_1txpointer_1copy_1data (JNIEnv * env, jclass _b, jbyteArray bytes) { +JNIEXPORT int64_t 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, "Tx Data Bytes"); @@ -255,7 +278,7 @@ JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_vec_1slice_1len (JNIEnv * env LDKCVec_u8Z *vec = (LDKCVec_u8Z*)ptr; return (long)vec->datalen; } -JNIEXPORT long JNICALL Java_org_ldk_impl_bindings_new_1empty_1slice_1vec (JNIEnv * env, jclass _b) { +JNIEXPORT int64_t JNICALL Java_org_ldk_impl_bindings_new_1empty_1slice_1vec (JNIEnv * env, jclass _b) { // Check sizes of a few Vec types are all consistent as we're meant to be generic across types _Static_assert(sizeof(LDKCVec_u8Z) == sizeof(LDKCVec_SignatureZ), "Vec<*> needs to be mapped identically"); _Static_assert(sizeof(LDKCVec_u8Z) == sizeof(LDKCVec_MessageSendEventZ), "Vec<*> needs to be mapped identically"); @@ -279,6 +302,15 @@ _Static_assert(sizeof(void*) <= 8, "Pointers must fit into 64 bits"); typedef jlongArray int64_tArray; typedef jbyteArray int8_tArray; +static inline jstring str_ref_to_java(JNIEnv *env, const char* chars, size_t len) { + // Sadly we need to create a temporary because Java can't accept a char* without a 0-terminator + char* err_buf = MALLOC(len + 1, "str conv buf"); + memcpy(err_buf, chars, len); + err_buf[len] = 0; + jstring err_conv = (*env)->NewStringUTF(env, chars); + FREE(err_buf); + return err_conv; +} """ self.hu_struct_file_prefix = """package org.ldk.structs; @@ -291,7 +323,6 @@ import java.util.Arrays; @SuppressWarnings("unchecked") // We correctly assign various generic arrays """ self.c_fn_ty_pfx = "JNIEXPORT " - self.c_fn_name_pfx = "JNICALL Java_org_ldk_impl_bindings_" self.c_fn_args_pfx = "JNIEnv *env, jclass clz" self.file_ext = ".java" self.ptr_c_ty = "int64_t" @@ -299,13 +330,18 @@ import java.util.Arrays; self.result_c_ty = "jclass" 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): @@ -328,18 +364,34 @@ import java.util.Arrays; 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 str_ref_to_c_call(self, var_name, str_len): + return "str_ref_to_java(env, " + var_name + ", " + str_len + ")" + + def c_fn_name_define_pfx(self, fn_name, has_args): + if has_args: + return "JNICALL Java_org_ldk_impl_bindings_" + fn_name.replace("_", "_1") + "(JNIEnv *env, jclass clz, " + return "JNICALL Java_org_ldk_impl_bindings_" + fn_name.replace("_", "_1") + "(JNIEnv *env, jclass clz" + + 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" @@ -403,7 +455,10 @@ import java.util.Arrays; out_c = out_c + self.c_fn_ty_pfx + "void JNICALL Java_org_ldk_impl_bindings_00024" + struct_name.replace("_", "_1") + "_init (" + self.c_fn_args_pfx + ") {\n" for var_name in variants: out_c = out_c + "\t" + struct_name + "_" + var_name + "_class =\n" - out_c = out_c + "\t\t(*env)->NewGlobalRef(env, (*env)->FindClass(env, \"Lorg/ldk/impl/bindings$" + struct_name + "$" + var_name + ";\"));\n" + if self.target == Target.ANDROID: + out_c = out_c + "\t\t(*env)->NewGlobalRef(env, (*env)->FindClass(env, \"org/ldk/impl/bindings$" + struct_name + "$" + var_name + "\"));\n" + else: + out_c = out_c + "\t\t(*env)->NewGlobalRef(env, (*env)->FindClass(env, \"Lorg/ldk/impl/bindings$" + struct_name + "$" + var_name + ";\"));\n" out_c = out_c + "\tCHECK(" + struct_name + "_" + var_name + "_class != NULL);\n" out_c = out_c + "\t" + struct_name + "_" + var_name + "_meth = (*env)->GetMethodID(env, " + struct_name + "_" + var_name + "_class, \"\", \"(" + init_meth_jty_strs[var_name] + ")V\");\n" out_c = out_c + "\tCHECK(" + struct_name + "_" + var_name + "_meth != NULL);\n" @@ -449,7 +504,7 @@ import java.util.Arrays; for var in field_vars: if isinstance(var, ConvInfo): if var.from_hu_conv is not None and var.from_hu_conv[1] != "": - out_java_trait = out_java_trait + "\t\t" + var.from_hu_conv[1] + ";\n" + out_java_trait = out_java_trait + "\t\t" + var.from_hu_conv[1].replace("\n", "\n\t\t") + ";\n" else: out_java_trait = out_java_trait + "\t\tthis.ptrs_to.add(" + var[1] + ");\n" out_java_trait = out_java_trait + "\t\tthis.bindings_instance = arg;\n" @@ -520,9 +575,6 @@ import java.util.Arrays; if fn_line.ret_ty_info.from_hu_conv[1] != "": java_trait_constr = java_trait_constr + "\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 - # java_trait_constr = java_trait_constr + "\t\t\t\tret.ptr = 0;\n" java_trait_constr = java_trait_constr + "\t\t\t\treturn result;\n" else: java_trait_constr = java_trait_constr + "\t\t\t\treturn ret;\n" @@ -545,7 +597,6 @@ import java.util.Arrays; else: out_java = out_java + ", " + var[0] + " " + var[1] out_java = out_java + ");\n" - out_java = out_java + "\tpublic static native " + struct_name + " " + struct_name + "_get_obj_from_jcalls(long val);\n" # Now that we've written out our java code (and created java_meths), generate C out_c = "typedef struct " + struct_name + "_JCalls {\n" @@ -570,7 +621,7 @@ import java.util.Arrays; 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\tDO_ASSERT((*j_calls->vm)->GetEnv(j_calls->vm, (void**)&env, JNI_VERSION_1_6) == 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" @@ -590,7 +641,7 @@ import java.util.Arrays; 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" + out_c = out_c + "\tDO_ASSERT((*j_calls->vm)->GetEnv(j_calls->vm, (void**)&env, JNI_VERSION_1_6) == JNI_OK);\n" for arg_info in fn_line.args_ty: if arg_info.ret_conv is not None: @@ -676,7 +727,7 @@ import java.util.Arrays; 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 + "int64_t " + self.c_fn_name_define_pfx(struct_name + "_new", True) + "jobject o" for var in field_vars: if isinstance(var, ConvInfo): out_c = out_c + ", " + var.c_ty + " " + var.arg_name @@ -694,14 +745,14 @@ import java.util.Arrays; 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_java, out_java_trait, out_c) + def trait_struct_inc_refcnt(self, ty_info): + base_conv = "\nif (" + ty_info.var_name + "_conv.free == " + ty_info.rust_obj + "_JCalls_free) {\n" + base_conv = base_conv + "\t// If this_arg is a JCalls struct, then we need to increment the refcnt in it.\n" + base_conv = base_conv + "\t" + ty_info.rust_obj + "_JCalls_clone(" + ty_info.var_name + "_conv.this_arg);\n}" + return base_conv + def map_complex_enum(self, struct_name, variant_list, camel_to_snake): java_hu_type = struct_name.replace("LDK", "") out_java_enum = "" @@ -765,7 +816,7 @@ import java.util.Arrays; out_c += (self.c_complex_enum_pfx(struct_name, [x.var_name for x in variant_list], init_meth_jty_strs)) - 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 += (self.c_fn_ty_pfx + self.c_complex_enum_pass_ty(struct_name) + " " + self.c_fn_name_define_pfx(struct_name + "_ref_from_ptr", True) + 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: @@ -803,3 +854,149 @@ import java.util.Arrays; out_opaque_struct_human += ("\t\tif (ptr != 0) { bindings." + struct_name.replace("LDK","") + "_free(ptr); }\n") out_opaque_struct_human += ("\t}\n\n") return out_opaque_struct_human + + + def map_function(self, argument_types, c_call_string, method_name, return_type_info, struct_meth, default_constructor_args, takes_self, args_known, 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 + "(") + have_args = len(argument_types) > 1 or (len(argument_types) > 0 and argument_types[0].c_ty != "void") + out_c += (" " + self.c_fn_name_define_pfx(method_name, have_args)) + + for idx, arg_conv_info in enumerate(argument_types): + if idx != 0: + out_java += (", ") + out_c += (", ") + if arg_conv_info.c_ty != "void": + out_c += (arg_conv_info.c_ty + " " + arg_conv_info.arg_name) + out_java += (arg_conv_info.java_ty + " " + arg_conv_info.arg_name) + + out_java_struct = "" + if not args_known: + out_java_struct += ("\t// Skipped " + method_name + "\n") + 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_java += (");\n") + 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 args_known: + 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).replace("\n", "\n\t\t") + ";\n") + else: + out_java_struct += ("\t\t" + info.from_hu_conv[1].replace("\n", "\n\t\t") + ";\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)