from bindingstypes import *
+from enum import Enum
+
+class Target(Enum):
+ JAVA = 1,
+ ANDROID = 2
class Consts:
- def __init__(self, DEBUG):
+ 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'],
+ uint64_t = ['long'],
+ )
+
+ self.to_hu_conv_templates = dict(
+ ptr = '{human_type} {var_name}_hu_conv = new {human_type}(null, {var_name});',
+ default = '{human_type} {var_name}_hu_conv = new {human_type}(null, {var_name});'
+ )
+
+ self.bindings_header = """package org.ldk.impl;
+import org.ldk.enums.*;
+
+public class bindings {
+ public static class VecOrSliceDef {
+ public long dataptr;
+ public long datalen;
+ public long stride;
+ public VecOrSliceDef(long dataptr, long datalen, long stride) {
+ this.dataptr = dataptr; this.datalen = datalen; this.stride = stride;
+ }
+ }
+ 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.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 {
#include <string.h>
#include <stdatomic.h>
#include <stdlib.h>
+
"""
+ 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:
self.c_file_pfx = self.c_file_pfx + """#define MALLOC(a, _) malloc(a)
#define FREE(p) if ((long)(p) > 1024) { free(p); }
// 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
}
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");
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");
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");
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* 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;
+}
"""
self.hu_struct_file_prefix = """package org.ldk.structs;
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_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"
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):
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_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:
+ 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 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 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 + "\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 + 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 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 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]
+ else:
+ out_java_trait = out_java_trait + ", " + var.arg_name
+ else:
+ 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 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].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"
+ out_java_trait = out_java_trait + "\t}\n"
+ out_java_trait = out_java_trait + "\t@Override @SuppressWarnings(\"deprecation\")\n"
+ out_java_trait = out_java_trait + "\tprotected void finalize() throws Throwable {\n"
+ out_java_trait = out_java_trait + "\t\tif (ptr != 0) { bindings." + struct_name.replace("LDK","") + "_free(ptr); } super.finalize();\n"
+ out_java_trait = out_java_trait + "\t}\n\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 flattened_field_vars:
+ if isinstance(var, ConvInfo):
+ java_trait_constr = java_trait_constr + ", " + var.java_hu_ty + " " + var.arg_name
+ else:
+ # Ideally we'd be able to take any instance of the interface, but our C code can only represent
+ # Java-implemented version, so we require users pass a Java implementation here :/
+ java_trait_constr = java_trait_constr + ", " + var[0].replace("LDK", "") + "." + var[0].replace("LDK", "") + "Interface " + var[1] + "_impl"
+ java_trait_constr = java_trait_constr + ") {\n\t\tfinal " + struct_name + "Holder impl_holder = new " + struct_name + "Holder();\n"
+ java_trait_constr = java_trait_constr + "\t\timpl_holder.held = new " + struct_name.replace("LDK", "") + "(new bindings." + struct_name + "() {\n"
+ out_java_trait = out_java_trait + "\tpublic static interface " + struct_name.replace("LDK", "") + "Interface {\n"
+ out_java = out_java + "\tpublic interface " + struct_name + " {\n"
+ java_meths = []
+ for fn_line in field_fns:
+ java_meth_descr = "("
+ 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 idx >= 1:
+ out_java = out_java + ", "
+ java_trait_constr = java_trait_constr + ", "
+ out_java_trait = out_java_trait + ", "
+ out_java = out_java + arg_conv_info.java_ty + " " + arg_conv_info.arg_name
+ out_java_trait = out_java_trait + arg_conv_info.java_hu_ty + " " + arg_conv_info.arg_name
+ java_trait_constr = java_trait_constr + arg_conv_info.java_ty + " " + arg_conv_info.arg_name
+ java_meth_descr = java_meth_descr + arg_conv_info.java_fn_ty_arg
+ java_meth_descr = java_meth_descr + ")" + fn_line.ret_ty_info.java_fn_ty_arg
+ java_meths.append((fn_line.fn_name, java_meth_descr))
+
+ out_java = out_java + ");\n"
+ out_java_trait = out_java_trait + ");\n"
+ java_trait_constr = java_trait_constr + ") {\n"
+
+ for arg_info in fn_line.args_ty:
+ if arg_info.to_hu_conv is not None:
+ java_trait_constr = java_trait_constr + "\t\t\t\t" + arg_info.to_hu_conv.replace("\n", "\n\t\t\t\t") + "\n"
+
+ if fn_line.ret_ty_info.java_ty != "void":
+ java_trait_constr = java_trait_constr + "\t\t\t\t" + fn_line.ret_ty_info.java_hu_ty + " ret = arg." + fn_line.fn_name + "("
+ else:
+ java_trait_constr = java_trait_constr + "\t\t\t\targ." + fn_line.fn_name + "("
+
+ for idx, arg_info in enumerate(fn_line.args_ty):
+ if idx != 0:
+ java_trait_constr = java_trait_constr + ", "
+ if arg_info.to_hu_conv_name is not None:
+ java_trait_constr = java_trait_constr + arg_info.to_hu_conv_name
+ else:
+ java_trait_constr = java_trait_constr + arg_info.arg_name
+
+ java_trait_constr = java_trait_constr + ");\n"
+ if fn_line.ret_ty_info.java_ty != "void":
+ if fn_line.ret_ty_info.from_hu_conv is not None:
+ java_trait_constr = java_trait_constr + "\t\t\t\t" + fn_line.ret_ty_info.java_ty + " result = " + fn_line.ret_ty_info.from_hu_conv[0] + ";\n"
+ 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:
+ 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"
+ java_trait_constr = java_trait_constr + "\t\t\t}\n"
+ java_trait_constr = java_trait_constr + "\t\t}"
+ for var in field_vars:
+ if isinstance(var, ConvInfo):
+ java_trait_constr = java_trait_constr + ", " + var.arg_name
+ else:
+ 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 flattened_field_vars:
+ if isinstance(var, ConvInfo):
+ out_java = out_java + ", " + var.java_ty + " " + var.arg_name
+ else:
+ out_java = out_java + ", " + var[0] + " " + var[1]
+ out_java = out_java + ");\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_vars:
+ for var in flattened_field_vars:
if isinstance(var, ConvInfo):
# We're a regular ol' field
pass
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"
- for fn_line in field_fns:
+ 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 = 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:
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 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 + "}\n"
- return ("", out_c)
+ # 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_vars:
+ 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 flattened_field_vars:
+ 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 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 + "_" + 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.clone = " + struct_name + "_JCalls_clone,\n"
+ for var in field_vars:
+ 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 += "\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 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"
- def map_complex_enum(self, struct_name, union_enum_items, map_type, camel_to_snake):
- java_hu_type = struct_name.replace("LDK", "")
+ 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 + ", 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 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 + "}\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, 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")
java_hu_subclasses = ""
- tag_field_lines = union_enum_items["field_lines"]
init_meth_jty_strs = {}
- for idx, struct_line in enumerate(tag_field_lines):
- if idx == 0:
- assert(struct_line == "typedef enum %s_Tag {" % struct_name)
- elif idx == len(tag_field_lines) - 3:
- assert(struct_line.endswith("_Sentinel,"))
- elif idx == len(tag_field_lines) - 2:
- assert(struct_line == "} %s_Tag;" % struct_name)
- elif idx == len(tag_field_lines) - 1:
- assert(struct_line == "")
out_java += ("\tpublic static class " + struct_name + " {\n")
out_java += ("\t\tprivate " + struct_name + "() {}\n")
- for idx, struct_line in enumerate(tag_field_lines):
- if idx != 0 and idx < len(tag_field_lines) - 3:
- var_name = struct_line.strip(' ,')[len(struct_name) + 1:]
- out_java += ("\t\tpublic final static class " + var_name + " extends " + struct_name + " {\n")
- java_hu_subclasses = java_hu_subclasses + "\tpublic final static class " + var_name + " extends " + java_hu_type + " {\n"
- out_java_enum += ("\t\tif (raw_val.getClass() == bindings." + struct_name + "." + var_name + ".class) {\n")
- out_java_enum += ("\t\t\treturn new " + var_name + "(ptr, (bindings." + struct_name + "." + var_name + ")raw_val);\n")
- init_meth_jty_str = ""
- init_meth_params = ""
- init_meth_body = ""
- hu_conv_body = ""
- if "LDK" + var_name in union_enum_items:
- enum_var_lines = union_enum_items["LDK" + var_name]
- for idx, field in enumerate(enum_var_lines):
- if idx != 0 and idx < len(enum_var_lines) - 2:
- field_ty = map_type(field.strip(' ;'), False, None, False, True)
- 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 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"
- hu_conv_body = hu_conv_body + "\t\t\tthis." + field_ty.arg_name + " = " + field_ty.to_hu_conv_name + ";\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 > 1:
- 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_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 + "\t\tprivate " + var_name + "(long ptr, bindings." + struct_name + "." + var_name + " obj) {\n\t\t\tsuper(null, ptr);\n"
- java_hu_subclasses = java_hu_subclasses + hu_conv_body
- java_hu_subclasses = java_hu_subclasses + "\t\t}\n\t}\n"
- init_meth_jty_strs[var_name] = init_meth_jty_str
+ for var in variant_list:
+ out_java += ("\t\tpublic final static class " + var.var_name + " extends " + struct_name + " {\n")
+ java_hu_subclasses = java_hu_subclasses + "\tpublic final static class " + var.var_name + " extends " + java_hu_type + " {\n"
+ out_java_enum += ("\t\tif (raw_val.getClass() == bindings." + struct_name + "." + var.var_name + ".class) {\n")
+ out_java_enum += ("\t\t\treturn new " + var.var_name + "(ptr, (bindings." + struct_name + "." + var.var_name + ")raw_val);\n")
+ init_meth_jty_str = ""
+ 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 + "\t\tpublic final " + field_ty.java_hu_ty + " " + field_ty.arg_name + ";\n"
+ 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"
+ hu_conv_body = hu_conv_body + "\t\t\tthis." + field_ty.arg_name + " = " + field_ty.to_hu_conv_name + ";\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_java += ("\t\t}\n")
+ out_java_enum += ("\t\t}\n")
+ java_hu_subclasses = java_hu_subclasses + "\t\tprivate " + var.var_name + "(long ptr, bindings." + struct_name + "." + var.var_name + " obj) {\n\t\t\tsuper(null, ptr);\n"
+ java_hu_subclasses = java_hu_subclasses + hu_conv_body
+ java_hu_subclasses = java_hu_subclasses + "\t\t}\n\t}\n"
+ init_meth_jty_strs[var.var_name] = init_meth_jty_str
out_java += ("\t\tstatic native void init();\n")
out_java += ("\t}\n")
out_java_enum += ("\t\tassert false; return null; // 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_complex_enum_pfx(struct_name, [x.strip(", ")[len(struct_name) + 1:] for x in tag_field_lines[1:-3]], init_meth_jty_strs))
+ 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 += ("\t" + struct_name + " *obj = (" + struct_name + "*)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 & ~1);\n")
out_c += ("\tswitch(obj->tag) {\n")
- for idx, struct_line in enumerate(tag_field_lines):
- if idx != 0 and idx < len(tag_field_lines) - 3:
- var_name = struct_line.strip(' ,')[len(struct_name) + 1:]
- out_c += ("\t\tcase " + struct_name + "_" + var_name + ": {\n")
- c_params = []
- if "LDK" + var_name in union_enum_items:
- enum_var_lines = union_enum_items["LDK" + var_name]
- for idx, field in enumerate(enum_var_lines):
- if idx != 0 and idx < len(enum_var_lines) - 2:
- field_map = map_type(field.strip(' ;'), False, None, False, True)
- 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_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_name) + "." + field_map.arg_name)
- out_c += ("\t\t\treturn " + self.c_constr_native_complex_enum(struct_name, var_name, c_params) + ";\n")
- out_c += ("\t\t}\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"))
+ 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:
+ 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, 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")
+ out_opaque_struct_human += (" {\n")
+ out_opaque_struct_human += ("\t" + struct_name.replace("LDK", "") + "(Object _dummy, long ptr) { super(ptr); }\n")
+ if struct_name.startswith("LDKLocked"):
+ out_opaque_struct_human += ("\t@Override public void close() {\n")
+ else:
+ out_opaque_struct_human += ("\t@Override @SuppressWarnings(\"deprecation\")\n")
+ out_opaque_struct_human += ("\tprotected void finalize() throws Throwable {\n")
+ out_opaque_struct_human += ("\t\tsuper.finalize();\n")
+ 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, doc_comment):
+ 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:].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:
+ 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)