from bindingstypes import *
+from enum import Enum
+import sys
+
+class Target(Enum):
+ JAVA = 1,
+ ANDROID = 2
class Consts:
- def __init__(self, DEBUG: bool, **kwargs):
+ 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'],
self.bindings_header = """package org.ldk.impl;
import org.ldk.enums.*;
+import java.io.File;
+import java.io.InputStream;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.StandardCopyOption;
public class bindings {
public static class VecOrSliceDef {
}
}
static {
- System.loadLibrary(\"lightningjni\");
+ try {
+ // Try to load natively first, this works on Android and in testing.
+ System.loadLibrary(\"lightningjni\");
+ } catch (UnsatisfiedLinkError _ignored) {
+ // Otherwise try to load from the library jar.
+ File tmpdir = new File(System.getProperty("java.io.tmpdir"), "ldk-java-nativelib");
+ tmpdir.mkdir(); // If it fails to create, assume it was there already
+ tmpdir.deleteOnExit();
+ String libname = "liblightningjni_" + System.getProperty("os.name").replaceAll(" ", "") +
+ "-" + System.getProperty("os.arch").replaceAll(" ", "") + ".nativelib";
+ try (InputStream is = bindings.class.getResourceAsStream("/" + libname)) {
+ Path libpath = new File(tmpdir.toPath().toString(), "liblightningjni.so").toPath();
+ Files.copy(is, libpath, StandardCopyOption.REPLACE_EXISTING);
+ Runtime.getRuntime().load(libpath.toString());
+ } catch (IOException e) {
+ throw new IllegalArgumentException(e);
+ }
+ }
init(java.lang.Enum.class, VecOrSliceDef.class);
init_class_cache();
+ if (!get_lib_version_string().equals(get_ldk_java_bindings_version()))
+ throw new IllegalArgumentException("Compiled LDK library and LDK class failes do not match");
+ // Fetching the LDK versions from C also checks that the header and binaries match
+ get_ldk_c_bindings_version();
+ get_ldk_version();
}
static native void init(java.lang.Class c, java.lang.Class slicedef);
static native void init_class_cache();
+ static native String get_lib_version_string();
+
+ public static String get_ldk_java_bindings_version() {
+ return "<git_version_ldk_garbagecollected>";
+ }
+ public static native String get_ldk_c_bindings_version();
+ public static native String get_ldk_version();
public static native boolean deref_bool(long ptr);
public static native long deref_long(long ptr);
self.bindings_footer = "}\n"
+ self.util_fn_pfx = """package org.ldk.structs;
+import org.ldk.impl.bindings;
+import java.util.Arrays;
+import org.ldk.enums.*;
+
+public class UtilMethods {
+"""
+ self.util_fn_sfx = "}"
self.common_base = """package org.ldk.structs;
import java.util.LinkedList;
class CommonBase {
- final long ptr;
+ long ptr;
LinkedList<Object> ptrs_to = new LinkedList();
protected CommonBase(long ptr) { this.ptr = ptr; }
- public long _test_only_get_ptr() { return this.ptr; }
}
"""
- self.c_file_pfx = """#include \"org_ldk_impl_bindings.h\"
-#include <rust_types.h>
+ self.c_file_pfx = """#include <jni.h>
+// On OSX jlong (ie long long) is not equivalent to int64_t, so we override here
+#define int64_t jlong
+#include \"org_ldk_impl_bindings.h\"
#include <lightning.h>
#include <string.h>
#include <stdatomic.h>
"""
- if not DEBUG:
+ if self.target == Target.ANDROID:
+ self.c_file_pfx = self.c_file_pfx + """
+#include <android/log.h>
+#define DEBUG_PRINT(...) __android_log_print(ANDROID_LOG_ERROR, "LDK", __VA_ARGS__)
+
+#include <unistd.h>
+#include <pthread.h>
+static void* redirect_stderr(void* ignored) {
+ int pipes[2];
+ pipe(pipes);
+ dup2(pipes[1], STDERR_FILENO);
+ char buf[8192];
+ memset(buf, 0, 8192);
+ ssize_t len;
+ while ((len = read(pipes[0], buf, 8191)) > 0) {
+ DEBUG_PRINT("%s\\n", buf);
+ memset(buf, 0, 8192);
+ }
+ DEBUG_PRINT("End of stderr???\\n");
+ return 0;
+}
+void __attribute__((constructor)) spawn_stderr_redirection() {
+ pthread_t thread;
+ pthread_create(&thread, NULL, &redirect_stderr, NULL);
+}
+"""
+ else:
+ self.c_file_pfx = self.c_file_pfx + "#define DEBUG_PRINT(...) fprintf(stderr, __VA_ARGS__)\n"
+
+ if not DEBUG or sys.platform == "darwin":
self.c_file_pfx = self.c_file_pfx + """#define MALLOC(a, _) malloc(a)
-#define FREE(p) if ((long)(p) > 1024) { free(p); }
-#define DO_ASSERT(a) (void)(a)
+#define FREE(p) if ((uint64_t)(p) > 1024) { free(p); }
+"""
+ if not DEBUG:
+ self.c_file_pfx += """#define DO_ASSERT(a) (void)(a)
#define CHECK(a)
"""
- else:
+ if DEBUG:
self.c_file_pfx = self.c_file_pfx + """#include <assert.h>
// Always run a, then assert it is true:
#define DO_ASSERT(a) do { bool _assert_val = (a); assert(_assert_val); } while(0)
// Assert a is true or do nothing
#define CHECK(a) DO_ASSERT(a)
+void __attribute__((constructor)) debug_log_version() {
+ if (check_get_ldk_version() == NULL)
+ DEBUG_PRINT("LDK version did not match the header we built against\\n");
+ if (check_get_ldk_bindings_version() == NULL)
+ DEBUG_PRINT("LDK C Bindings version did not match the header we built against\\n");
+ DEBUG_PRINT("Loaded LDK-Java Bindings with LDK %s and LDK-C-Bindings %s\\n", check_get_ldk_version(), check_get_ldk_bindings_version());
+}
+"""
+
+ if sys.platform != "darwin":
+ self.c_file_pfx += """
// Running a leak check across all the allocations and frees of the JDK is a mess,
// so instead we implement our own naive leak checker here, relying on the -wrap
// linker option to wrap malloc/calloc/realloc/free, tracking everyhing allocated
// and free'd in Rust or C across the generated bindings shared library.
#include <threads.h>
-#include <execinfo.h>
+"""
+
+ if self.target == Target.ANDROID:
+ self.c_file_pfx = self.c_file_pfx + """
+#include <unwind.h>
+#include <dlfcn.h>
+
+// Implement the execinfo functions using _Unwind_backtrace. This seems to miss many Rust
+// symbols, so we only use it on Android, where execinfo.h is unavailable.
+
+struct BacktraceState {
+ void** current;
+ void** end;
+};
+static _Unwind_Reason_Code unwind_callback(struct _Unwind_Context* context, void* arg) {
+ struct BacktraceState* state = (struct BacktraceState*)arg;
+ uintptr_t pc = _Unwind_GetIP(context);
+ if (pc) {
+ if (state->current == state->end) {
+ return _URC_END_OF_STACK;
+ } else {
+ *state->current++ = (void*)(pc);
+ }
+ }
+ return _URC_NO_REASON;
+}
+
+int backtrace(void** buffer, int max) {
+ struct BacktraceState state = { buffer, buffer + max };
+ _Unwind_Backtrace(unwind_callback, &state);
+ return state.current - buffer;
+}
+
+void backtrace_symbols_fd(void ** buffer, int count, int _fd) {
+ for (int idx = 0; idx < count; ++idx) {
+ Dl_info info;
+ if (dladdr(buffer[idx], &info) && info.dli_sname) {
+ DEBUG_PRINT("%p: %s", buffer[idx], info.dli_sname);
+ } else {
+ DEBUG_PRINT("%p: ???", buffer[idx]);
+ }
+ }
+}
+"""
+ else:
+ self.c_file_pfx = self.c_file_pfx + "#include <execinfo.h>\n"
+ self.c_file_pfx = self.c_file_pfx + """
#include <unistd.h>
static mtx_t allocation_mtx;
const char* struct_name;
void* bt[BT_MAX];
int bt_len;
+ unsigned long 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;
}
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);
while (it->ptr != ptr) {
p = it; it = it->next;
if (it == NULL) {
- fprintf(stderr, "Tried to free unknown pointer %p at:\\n", ptr);
+ DEBUG_PRINT("Tried to free unknown pointer %p at:\\n", ptr);
void* bt[BT_MAX];
int bt_len = backtrace(bt, BT_MAX);
backtrace_symbols_fd(bt, bt_len, STDERR_FILENO);
- fprintf(stderr, "\\n\\n");
+ DEBUG_PRINT("\\n\\n");
DO_ASSERT(mtx_unlock(&allocation_mtx) == thrd_success);
return; // addrsan should catch malloc-unknown and print more info than we have
}
__real_free(it);
}
static void FREE(void* ptr) {
- if ((long)ptr < 1024) return; // Rust loves to create pointers to the NULL page for dummys
+ if ((uint64_t)ptr < 1024) return; // Rust loves to create pointers to the NULL page for dummys
alloc_freed(ptr);
__real_free(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) {
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) {
}
void __attribute__((destructor)) check_leaks() {
+ unsigned long alloc_count = 0;
+ unsigned long alloc_size = 0;
+ DEBUG_PRINT("The following LDK-allocated blocks still remain.\\n");
+ DEBUG_PRINT("Note that this is only accurate if System.gc(); System.runFinalization()\\n");
+ DEBUG_PRINT("was called prior to exit after all LDK objects were out of scope.\\n");
for (allocation* a = allocation_ll; a != NULL; a = a->next) {
- fprintf(stderr, "%s %p remains:\\n", a->struct_name, a->ptr);
+ DEBUG_PRINT("%s %p (%lu bytes) remains:\\n", a->struct_name, a->ptr, a->alloc_len);
backtrace_symbols_fd(a->bt, a->bt_len, STDERR_FILENO);
- fprintf(stderr, "\\n\\n");
+ DEBUG_PRINT("\\n\\n");
+ alloc_count++;
+ alloc_size += a->alloc_len;
}
- DO_ASSERT(allocation_ll == NULL);
+ DEBUG_PRINT("%lu allocations remained for %lu bytes.\\n", alloc_count, alloc_size);
+ DEBUG_PRINT("Note that this is only accurate if System.gc(); System.runFinalization()\\n");
+ DEBUG_PRINT("was called prior to exit after all LDK objects were out of scope.\\n");
}
"""
self.c_file_pfx = self.c_file_pfx + """
(*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");
(*env)->GetByteArrayRegion (env, bytes, 0, vec->datalen, vec->data);
- return (long)vec;
+ return (uint64_t)vec;
}
JNIEXPORT jbyteArray JNICALL Java_org_ldk_impl_bindings_txpointer_1get_1buffer (JNIEnv * env, jclass _b, jlong ptr) {
LDKTransaction *txdata = (LDKTransaction*)ptr;
LDKu8slice slice;
slice.data = txdata->data;
slice.datalen = txdata->datalen;
- return Java_org_ldk_impl_bindings_get_1u8_1slice_1bytes(env, _b, (long)&slice);
+ return Java_org_ldk_impl_bindings_get_1u8_1slice_1bytes(env, _b, (uint64_t)&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");
txdata->data_is_owned = false;
(*env)->GetByteArrayRegion (env, bytes, 0, txdata->datalen, txdata->data);
- return (long)txdata;
+ return (uint64_t)txdata;
}
JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_txpointer_1free (JNIEnv * env, jclass _b, jlong ptr) {
LDKTransaction *tx = (LDKTransaction*)ptr;
_Static_assert(offsetof(LDKCVec_u8Z, datalen) == offsetof(LDKCVec_EventZ, datalen), "Vec<*> needs to be mapped identically");
_Static_assert(offsetof(LDKCVec_u8Z, datalen) == offsetof(LDKCVec_C2Tuple_usizeTransactionZZ, datalen), "Vec<*> needs to be mapped identically");
LDKCVec_u8Z *vec = (LDKCVec_u8Z*)ptr;
- return (long)vec->datalen;
+ return (uint64_t)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");
LDKCVec_u8Z *vec = (LDKCVec_u8Z*)MALLOC(sizeof(LDKCVec_u8Z), "Empty LDKCVec");
vec->data = NULL;
vec->datalen = 0;
- return (long)vec;
+ return (uint64_t)vec;
}
// We assume that CVec_u8Z and u8slice are the same size and layout (and thus pointers to the two can be mixed)
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;
+ char* conv_buf = MALLOC(len + 1, "str conv buf");
+ memcpy(conv_buf, chars, len);
+ conv_buf[len] = 0;
+ jstring ret = (*env)->NewStringUTF(env, conv_buf);
+ FREE(conv_buf);
+ return ret;
+}
+static inline LDKStr java_to_owned_str(JNIEnv *env, jstring str) {
+ uint64_t str_len = (*env)->GetStringUTFLength(env, str);
+ char* newchars = MALLOC(str_len + 1, "String chars");
+ const char* jchars = (*env)->GetStringUTFChars(env, str, NULL);
+ memcpy(newchars, jchars, str_len);
+ newchars[str_len] = 0;
+ (*env)->ReleaseStringUTFChars(env, str, jchars);
+ LDKStr res = {
+ .chars = newchars,
+ .len = str_len,
+ .chars_is_owned = true
+ };
+ return res;
+}
+
+JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_get_1lib_1version_1string(JNIEnv *env, jclass _c) {
+ return str_ref_to_java(env, "<git_version_ldk_garbagecollected>", strlen("<git_version_ldk_garbagecollected>"));
+}
+JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_get_1ldk_1c_1bindings_1version(JNIEnv *env, jclass _c) {
+ return str_ref_to_java(env, check_get_ldk_bindings_version(), strlen(check_get_ldk_bindings_version()));
+}
+JNIEXPORT jstring JNICALL Java_org_ldk_impl_bindings_get_1ldk_1version(JNIEnv *env, jclass _c) {
+ return str_ref_to_java(env, check_get_ldk_version(), strlen(check_get_ldk_version()));
}
"""
import org.ldk.util.*;
import java.util.Arrays;
-@SuppressWarnings("unchecked") // We correctly assign various generic arrays
"""
self.c_fn_ty_pfx = "JNIEXPORT "
self.c_fn_args_pfx = "JNIEnv *env, jclass clz"
self.ptr_arr = "jobjectArray"
self.get_native_arr_len_call = ("(*env)->GetArrayLength(env, ", ")")
+ def construct_jenv(self):
+ res = "JNIEnv *env;\n"
+ res += "jint get_jenv_res = (*j_calls->vm)->GetEnv(j_calls->vm, (void**)&env, JNI_VERSION_1_6);\n"
+ res += "if (get_jenv_res == JNI_EDETACHED) {\n"
+ if self.target == Target.ANDROID:
+ res += "\tDO_ASSERT((*j_calls->vm)->AttachCurrentThread(j_calls->vm, &env, NULL) == JNI_OK);\n"
+ else:
+ res += "\tDO_ASSERT((*j_calls->vm)->AttachCurrentThread(j_calls->vm, (void**)&env, NULL) == JNI_OK);\n"
+ res += "} else {\n"
+ res += "\tDO_ASSERT(get_jenv_res == JNI_OK);\n"
+ res += "}\n"
+ return res
+ def deconstruct_jenv(self):
+ res = "if (get_jenv_res == JNI_EDETACHED) {\n"
+ res += "\tDO_ASSERT((*j_calls->vm)->DetachCurrentThread(j_calls->vm) == JNI_OK);\n"
+ res += "}\n"
+ return res
+
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)"
else:
return "(*env)->Release" + ty_info.java_ty.strip("[]").title() + "ArrayElements(env, " + arr_name + ", " + dest_name + ", 0)"
- def str_ref_to_c_call(self, var_name, str_len):
+ def str_ref_to_native_call(self, var_name, str_len):
return "str_ref_to_java(env, " + var_name + ", " + str_len + ")"
+ def str_ref_to_c_call(self, var_name):
+ return "java_to_owned_str(env, " + var_name + ")"
def c_fn_name_define_pfx(self, fn_name, has_args):
if has_args:
def init_str(self):
res = ""
- for ty in self.c_array_class_caches:
+ for ty in sorted(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 self.c_array_class_caches:
+ for ty in sorted(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"
res = res + "}\n"
return res
- def native_c_unitary_enum_map(self, struct_name, variants):
+ def native_c_unitary_enum_map(self, struct_name, variants, enum_doc_comment):
out_java_enum = "package org.ldk.enums;\n\n"
out_java = ""
out_c = ""
- out_c = out_c + "static inline " + struct_name + " " + struct_name + "_from_java(" + self.c_fn_args_pfx + ") {\n"
+ out_c = out_c + "static inline LDK" + struct_name + " LDK" + struct_name + "_from_java(" + self.c_fn_args_pfx + ") {\n"
out_c = out_c + "\tswitch ((*env)->CallIntMethod(env, clz, ordinal_meth)) {\n"
- out_java_enum = out_java_enum + "public enum " + struct_name + " {\n"
+ if enum_doc_comment is not None:
+ out_java_enum += "/**\n * " + enum_doc_comment.replace("\n", "\n * ") + "\n */\n"
+ out_java_enum += "public enum " + struct_name + " {\n"
ord_v = 0
for var in variants:
out_java_enum = out_java_enum + "\t" + var + ",\n"
out_c = out_c + "\t" + struct_name + "_" + var + " = (*env)->GetStaticFieldID(env, " + struct_name + "_class, \"" + var + "\", \"Lorg/ldk/enums/" + struct_name + ";\");\n"
out_c = out_c + "\tCHECK(" + struct_name + "_" + var + " != NULL);\n"
out_c = out_c + "}\n"
- out_c = out_c + "static inline jclass " + struct_name + "_to_java(JNIEnv *env, " + struct_name + " val) {\n"
+ out_c = out_c + "static inline jclass LDK" + struct_name + "_to_java(JNIEnv *env, LDK" + struct_name + " val) {\n"
out_c = out_c + "\tswitch (val) {\n"
ord_v = 0
for var in variants:
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>\", \"(" + init_meth_jty_strs[var_name] + ")V\");\n"
out_c = out_c + "\tCHECK(" + struct_name + "_" + var_name + "_meth != NULL);\n"
ret = ret + ", " + param
return ret + ")"
- def native_c_map_trait(self, struct_name, field_vars, field_fns):
+ def native_c_map_trait(self, struct_name, field_vars, flattened_field_vars, field_fns, trait_doc_comment):
out_java_trait = ""
out_java = ""
# First generate most of the Java code, note that we need information about java method argument strings for C
out_java_trait = out_java_trait + self.hu_struct_file_prefix
+ if trait_doc_comment is not None:
+ out_java_trait += "/**\n * " + trait_doc_comment.replace("\n", "\n * ") + "\n */\n"
+ out_java_trait += "@SuppressWarnings(\"unchecked\") // We correctly assign various generic arrays\n"
out_java_trait = out_java_trait + "public class " + struct_name.replace("LDK","") + " extends CommonBase {\n"
out_java_trait = out_java_trait + "\tfinal bindings." + struct_name + " bindings_instance;\n"
out_java_trait = out_java_trait + "\t" + struct_name.replace("LDK", "") + "(Object _dummy, long ptr) { super(ptr); bindings_instance = null; }\n"
out_java_trait = out_java_trait + "\tprivate " + struct_name.replace("LDK", "") + "(bindings." + struct_name + " arg"
- for var in field_vars:
+ for var in flattened_field_vars:
if isinstance(var, ConvInfo):
out_java_trait = out_java_trait + ", " + var.java_hu_ty + " " + var.arg_name
else:
out_java_trait = out_java_trait + ", bindings." + var[0] + " " + var[1]
out_java_trait = out_java_trait + ") {\n"
out_java_trait = out_java_trait + "\t\tsuper(bindings." + struct_name + "_new(arg"
- for var in field_vars:
+ for var in flattened_field_vars:
if isinstance(var, ConvInfo):
if var.from_hu_conv is not None:
out_java_trait = out_java_trait + ", " + var.from_hu_conv[0]
out_java_trait = out_java_trait + ", " + var[1]
out_java_trait = out_java_trait + "));\n"
out_java_trait = out_java_trait + "\t\tthis.ptrs_to.add(arg);\n"
- for var in field_vars:
+ for var in flattened_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"
java_trait_constr = "\tprivate static class " + struct_name + "Holder { " + struct_name.replace("LDK", "") + " held; }\n"
java_trait_constr = java_trait_constr + "\tpublic static " + struct_name.replace("LDK", "") + " new_impl(" + struct_name.replace("LDK", "") + "Interface arg"
- for var in field_vars:
+ for var in flattened_field_vars:
if isinstance(var, ConvInfo):
java_trait_constr = java_trait_constr + ", " + var.java_hu_ty + " " + var.arg_name
else:
if fn_line.fn_name != "free" and fn_line.fn_name != "clone":
out_java = out_java + "\t\t " + fn_line.ret_ty_info.java_ty + " " + fn_line.fn_name + "("
java_trait_constr = java_trait_constr + "\t\t\t@Override public " + fn_line.ret_ty_info.java_ty + " " + fn_line.fn_name + "("
+ out_java_trait += "\t\t/**\n\t\t * " + fn_line.docs.replace("\n", "\n\t\t * ") + "\n\t\t */\n"
out_java_trait = out_java_trait + "\t\t" + fn_line.ret_ty_info.java_hu_ty + " " + fn_line.fn_name + "("
for idx, arg_conv_info in enumerate(fn_line.args_ty):
if isinstance(var, ConvInfo):
java_trait_constr = java_trait_constr + ", " + var.arg_name
else:
- java_trait_constr = java_trait_constr + ", " + var[1] + ".new_impl(" + var[1] + "_impl).bindings_instance"
+ java_trait_constr += ", " + var[1] + ".new_impl(" + var[1] + "_impl"
+ for suparg in var[2]:
+ if isinstance(suparg, ConvInfo):
+ java_trait_constr += ", " + suparg.arg_name
+ else:
+ java_trait_constr += ", " + suparg[1]
+ java_trait_constr += ").bindings_instance"
+ for suparg in var[2]:
+ if isinstance(suparg, ConvInfo):
+ java_trait_constr += ", " + suparg.arg_name
+ else:
+ java_trait_constr += ", " + suparg[1]
out_java_trait = out_java_trait + "\t}\n"
out_java_trait = out_java_trait + java_trait_constr + ");\n\t\treturn impl_holder.held;\n\t}\n"
out_java = out_java + "\t}\n"
out_java = out_java + "\tpublic static native long " + struct_name + "_new(" + struct_name + " impl"
- for var in field_vars:
+ for var in flattened_field_vars:
if isinstance(var, ConvInfo):
out_java = out_java + ", " + var.java_ty + " " + var.arg_name
else:
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_vars:
+ for var in flattened_field_vars:
if isinstance(var, ConvInfo):
# We're a regular ol' field
pass
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 += "\t\t" + self.construct_jenv().replace("\n", "\n\t\t").strip() + "\n"
out_c = out_c + "\t\t(*env)->DeleteWeakGlobalRef(env, j_calls->o);\n"
+ out_c += "\t\t" + self.deconstruct_jenv().replace("\n", "\n\t\t").strip() + "\n"
out_c = out_c + "\t\tFREE(j_calls);\n"
out_c = out_c + "\t}\n}\n"
for idx, fn_line in enumerate(field_fns):
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("
+ out_c = out_c + fn_line.ret_ty_info.ty_info.get_full_rust_ty()[0] + " " + fn_line.fn_name + "_" + struct_name + "_jcall("
if fn_line.self_is_const:
out_c = out_c + "const void* this_arg"
else:
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 += "\t" + self.construct_jenv().replace("\n", "\n\t").strip() + "\n"
for arg_info in fn_line.args_ty:
if arg_info.ret_conv is not None:
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"
+ out_c = out_c + "\t" + fn_line.ret_ty_info.c_ty + " ret = (*env)->CallObjectMethod(env, obj, j_calls->" + fn_line.fn_name + "_meth"
+ elif fn_line.ret_ty_info.c_ty == "void":
+ out_c += "\t(*env)->Call" + fn_line.ret_ty_info.java_ty.title() + "Method(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"
+ out_c += "\t" + fn_line.ret_ty_info.c_ty + " ret = (*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"
else:
out_c = out_c + ", " + arg_info.arg_name
out_c = out_c + ");\n"
+
+ out_c += "\tif ((*env)->ExceptionCheck(env)) {\n"
+ out_c += "\t\t(*env)->ExceptionDescribe(env);\n"
+ out_c += "\t\t(*env)->FatalError(env, \"A Java interface method called from rust threw an exception.\");\n"
+ out_c += "\t}\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 += "\t" + fn_line.ret_ty_info.arg_conv.replace("\n", "\n\t") + "\n"
+ out_c += "\t" + self.deconstruct_jenv().replace("\n", "\n\t").strip() + "\n"
+ out_c += "\treturn " + fn_line.ret_ty_info.arg_conv_name + ";\n"
+ else:
+ out_c += "\t" + self.deconstruct_jenv().replace("\n", "\n\t").strip() + "\n"
+ if not fn_line.ret_ty_info.passed_as_ptr and fn_line.ret_ty_info.c_ty != "void":
+ out_c += "\treturn ret;\n"
out_c = out_c + "}\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_vars:
+ for var in flattened_field_vars:
if isinstance(var, ConvInfo):
out_c = out_c + ", " + var.c_ty + " " + var.arg_name
else:
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_vars:
+ for var in flattened_field_vars:
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_fns:
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"
+ out_c = out_c + "\t\t." + fn_line.fn_name + " = " + fn_line.fn_name + "_" + struct_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." + 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 += "\t\t." + var[1] + " = " + var[0] + "_init(env, clz, " + var[1]
+ for suparg in var[2]:
+ if isinstance(suparg, ConvInfo):
+ out_c = out_c + ", " + suparg.arg_name
+ else:
+ out_c = out_c + ", " + suparg[1]
+ out_c += "),\n"
out_c = out_c + "\t};\n"
- for var in field_vars:
+ for var in flattened_field_vars:
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_define_pfx(struct_name + "_new", True) + "jobject o"
- for var in field_vars:
+ 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 flattened_field_vars:
if isinstance(var, ConvInfo):
out_c = out_c + ", " + var.c_ty + " " + var.arg_name
else:
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_vars:
+ for var in flattened_field_vars:
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 + "\treturn (uint64_t)res_ptr;\n"
out_c = out_c + "}\n"
return (out_java, out_java_trait, out_c)
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", "")
+ def map_complex_enum(self, struct_name, variant_list, camel_to_snake, enum_doc_comment):
+ java_hu_type = struct_name.replace("LDK", "").replace("COption", "Option")
out_java_enum = ""
out_java = ""
out_c = ""
out_java_enum += (self.hu_struct_file_prefix)
+ out_java_enum += "\n/**\n * " + enum_doc_comment.replace("\n", "\n * ") + "\n */\n"
+ out_java_enum += "@SuppressWarnings(\"unchecked\") // We correctly assign various generic arrays\n"
out_java_enum += ("public class " + java_hu_type + " extends CommonBase {\n")
out_java_enum += ("\tprivate " + java_hu_type + "(Object _dummy, long ptr) { super(ptr); }\n")
out_java_enum += ("\t@Override @SuppressWarnings(\"deprecation\")\n")
out_java_enum += ("\tprotected void finalize() throws Throwable {\n")
out_java_enum += ("\t\tsuper.finalize();\n")
- out_java_enum += ("\t\tif (ptr != 0) { bindings." + java_hu_type + "_free(ptr); }\n")
+ out_java_enum += ("\t\tif (ptr != 0) { bindings." + struct_name.replace("LDK", "") + "_free(ptr); }\n")
out_java_enum += ("\t}\n")
out_java_enum += ("\tstatic " + java_hu_type + " constr_from_ptr(long ptr) {\n")
out_java_enum += ("\t\tbindings." + struct_name + " raw_val = bindings." + struct_name + "_ref_from_ptr(ptr);\n")
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 + "\t\tpublic final " + field_ty.java_hu_ty + " " + field_ty.arg_name + ";\n"
+ if idx > 0:
+ init_meth_params = init_meth_params + ", "
+
+ if field_ty.java_hu_ty == var.var_name:
+ field_path = field_ty.java_fn_ty_arg.strip("L;").replace("/", ".")
+ out_java += "\t\t\tpublic " + field_path + " " + field_ty.arg_name + ";\n"
+ java_hu_subclasses = java_hu_subclasses + "\t\tpublic final " + field_path + " " + field_ty.arg_name + ";\n"
+ init_meth_params = init_meth_params + field_path + " " + field_ty.arg_name
+ else:
+ out_java += "\t\t\tpublic " + field_ty.java_ty + " " + field_ty.arg_name + ";\n"
+ java_hu_subclasses = java_hu_subclasses + "\t\tpublic final " + field_ty.java_hu_ty + " " + field_ty.arg_name + ";\n"
+ 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 + "; "
if field_ty.to_hu_conv is not None:
hu_conv_body = hu_conv_body + "\t\t\t" + field_ty.java_ty + " " + field_ty.arg_name + " = obj." + field_ty.arg_name + ";\n"
hu_conv_body = hu_conv_body + "\t\t\t" + field_ty.to_hu_conv.replace("\n", "\n\t\t\t") + "\n"
else:
hu_conv_body = hu_conv_body + "\t\t\tthis." + field_ty.arg_name + " = obj." + field_ty.arg_name + ";\n"
init_meth_jty_str = init_meth_jty_str + field_ty.java_fn_ty_arg
- 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_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_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 += ("\t" + struct_name + " *obj = (" + struct_name + "*)(ptr & ~1);\n")
out_c += ("\tswitch(obj->tag) {\n")
for var in variant_list:
out_c += ("\t\tcase " + struct_name + "_" + var.var_name + ": {\n")
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)
+ if var.tuple_variant:
+ out_c += "obj->" + camel_to_snake(var.var_name)
+ else:
+ 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)
+ if var.tuple_variant:
+ c_params.append("obj->" + camel_to_snake(var.var_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")
return (out_java, out_java_enum, out_c)
- def map_opaque_struct(self, struct_name):
+ def map_opaque_struct(self, struct_name, struct_doc_comment):
out_opaque_struct_human = ""
out_opaque_struct_human += self.hu_struct_file_prefix
+ out_opaque_struct_human += "\n/**\n * " + struct_doc_comment.replace("\n", "\n * ") + "\n */\n"
+ out_opaque_struct_human += "@SuppressWarnings(\"unchecked\") // We correctly assign various generic arrays\n"
out_opaque_struct_human += ("public class " + struct_name.replace("LDK","") + " extends CommonBase")
if struct_name.startswith("LDKLocked"):
out_opaque_struct_human += (" implements AutoCloseable")
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):
+ def map_function(self, argument_types, c_call_string, method_name, return_type_info, struct_meth, default_constructor_args, takes_self, takes_self_as_ref, args_known, type_mapping_generator, doc_comment):
out_java = ""
out_c = ""
out_java_struct = None
out_c += (arg_conv_info.c_ty + " " + arg_conv_info.arg_name)
out_java += (arg_conv_info.java_ty + " " + arg_conv_info.arg_name)
- 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 + "(")
+ 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 len(struct_meth) != 0 else 0:].strip("_")
+ if doc_comment is not None:
+ out_java_struct += "\t/**\n\t * " + doc_comment.replace("\n", "\n\t * ") + "\n\t */\n"
+ if not takes_self:
+ if meth_n == "new":
+ out_java_struct += "\tpublic static " + return_type_info.java_hu_ty + " of("
+ elif meth_n == "default":
+ out_java_struct += "\tpublic static " + return_type_info.java_hu_ty + " with_default("
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_struct += "\tpublic static " + return_type_info.java_hu_ty + " " + 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_c += ("\n\treturn ret_val;")
out_c += ("\n}\n\n")
- if has_out_java_struct:
+ if args_known:
out_java_struct += ("\t\t")
if return_type_info.java_ty != "void":
out_java_struct += (return_type_info.java_ty + " ret = ")
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")
+ "\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] + ";\n")
+ out_java_struct += ("\t\t" + info.from_hu_conv[1].replace("\n", "\n\t\t") + ";\n")
+ if takes_self and not takes_self_as_ref:
+ out_java_struct += "\t\t" + argument_types[0].from_hu_conv[1].replace("\n", "\n\t\t").replace("this_arg", "this") + ";\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: