X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=genbindings.py;h=12649658afe476ce32405a95c0d44f139f931cda;hb=20ee8c36407f25547ac60339007cbf6fbe61deee;hp=453e5c0320887f4edf7c8a236d9fee29aa8c4222;hpb=5e83938c7ad3dbb386453875fa63c1a56c78635d;p=ldk-java diff --git a/genbindings.py b/genbindings.py index 453e5c03..12649658 100755 --- a/genbindings.py +++ b/genbindings.py @@ -1,200 +1,45 @@ #!/usr/bin/env python3 import sys, re -if len(sys.argv) != 6: - print("USAGE: /path/to/lightning.h /path/to/bindings/output.java /path/to/bindings/ /path/to/bindings/output.c debug") - print("debug should be true or false and indicates whether to track allocations and ensure we don't leak") +if len(sys.argv) < 7: + print("USAGE: /path/to/lightning.h /path/to/bindings/output /path/to/bindings/ /path/to/bindings/output.c debug lang") sys.exit(1) -hu_struct_file_prefix = """package org.ldk.structs; +if sys.argv[5] == "false": + DEBUG = False +elif sys.argv[5] == "true": + DEBUG = True +else: + print("debug should be true or false and indicates whether to track allocations and ensure we don't leak") + sys.exit(1) -import org.ldk.impl.bindings; -import org.ldk.enums.*; -import org.ldk.util.*; -import java.util.Arrays; +target = None +if sys.argv[6] == "java" or sys.argv[6] == "android": + import java_strings + from java_strings import Consts + target = java_strings.Target.JAVA + if sys.argv[6] == "android": + target = java_strings.Target.ANDROID +elif sys.argv[6] == "typescript": + import typescript_strings + from typescript_strings import Consts + target = typescript_strings.Target.NODEJS + if len(sys.argv) == 8 and sys.argv[7] == 'browser': + target = typescript_strings.Target.BROWSER +else: + print("Only java or typescript can be set for lang") + sys.exit(1) -@SuppressWarnings("unchecked") // We correctly assign various generic arrays -""" -c_file_pfx = """#include \"org_ldk_impl_bindings.h\" -#include -#include -#include -#include -""" +consts = Consts(DEBUG, target=target) -if sys.argv[5] == "false": - c_file_pfx = c_file_pfx + """#define MALLOC(a, _) malloc(a) -#define FREE(p) if ((long)(p) > 1024) { free(p); } -#define DO_ASSERT(a) (void)(a) -#define CHECK(a) -""" -else: - c_file_pfx = c_file_pfx + """#include -// 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) - -// 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 -#include -#include -static mtx_t allocation_mtx; - -void __attribute__((constructor)) init_mtx() { - DO_ASSERT(mtx_init(&allocation_mtx, mtx_plain) == thrd_success); -} - -#define BT_MAX 128 -typedef struct allocation { - struct allocation* next; - void* ptr; - const char* struct_name; - void* bt[BT_MAX]; - int bt_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) { - 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); - DO_ASSERT(mtx_lock(&allocation_mtx) == thrd_success); - new_alloc->next = allocation_ll; - allocation_ll = new_alloc; - DO_ASSERT(mtx_unlock(&allocation_mtx) == thrd_success); -} -static void* MALLOC(size_t len, const char* struct_name) { - void* res = __real_malloc(len); - new_allocation(res, struct_name); - return res; -} -void __real_free(void* ptr); -static void alloc_freed(void* ptr) { - allocation* p = NULL; - DO_ASSERT(mtx_lock(&allocation_mtx) == thrd_success); - allocation* it = allocation_ll; - while (it->ptr != ptr) { - p = it; it = it->next; - if (it == NULL) { - fprintf(stderr, "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"); - DO_ASSERT(mtx_unlock(&allocation_mtx) == thrd_success); - return; // addrsan should catch malloc-unknown and print more info than we have - } - } - if (p) { p->next = it->next; } else { allocation_ll = it->next; } - DO_ASSERT(mtx_unlock(&allocation_mtx) == thrd_success); - DO_ASSERT(it->ptr == ptr); - __real_free(it); -} -static void FREE(void* ptr) { - if ((long)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"); - return res; -} -void* __wrap_calloc(size_t nmemb, size_t len) { - void* res = __real_calloc(nmemb, len); - new_allocation(res, "calloc call"); - return res; -} -void __wrap_free(void* ptr) { - alloc_freed(ptr); - __real_free(ptr); -} - -void* __real_realloc(void* ptr, size_t newlen); -void* __wrap_realloc(void* ptr, size_t len) { - alloc_freed(ptr); - void* res = __real_realloc(ptr, len); - new_allocation(res, "realloc call"); - return res; -} -void __wrap_reallocarray(void* ptr, size_t new_sz) { - // Rust doesn't seem to use reallocarray currently - assert(false); -} - -void __attribute__((destructor)) check_leaks() { - 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"); - } - DO_ASSERT(allocation_ll == NULL); -} -""" +from bindingstypes import * c_file = "" def write_c(s): global c_file c_file += s -class TypeInfo: - def __init__(self, is_native_primitive, rust_obj, java_ty, java_fn_ty_arg, java_hu_ty, c_ty, passed_as_ptr, is_ptr, var_name, arr_len, arr_access, subty=None): - self.is_native_primitive = is_native_primitive - self.rust_obj = rust_obj - self.java_ty = java_ty - self.java_hu_ty = java_hu_ty - self.java_fn_ty_arg = java_fn_ty_arg - self.c_ty = c_ty - self.passed_as_ptr = passed_as_ptr - self.is_ptr = is_ptr - self.var_name = var_name - self.arr_len = arr_len - self.arr_access = arr_access - self.subty = subty - self.pass_by_ref = is_ptr - -class ConvInfo: - def __init__(self, ty_info, arg_name, arg_conv, arg_conv_name, arg_conv_cleanup, ret_conv, ret_conv_name, to_hu_conv, to_hu_conv_name, from_hu_conv): - assert(ty_info.c_ty is not None) - assert(ty_info.java_ty is not None) - assert(arg_name is not None) - self.passed_as_ptr = ty_info.passed_as_ptr - self.rust_obj = ty_info.rust_obj - self.c_ty = ty_info.c_ty - self.java_ty = ty_info.java_ty - self.java_hu_ty = ty_info.java_hu_ty - self.java_fn_ty_arg = ty_info.java_fn_ty_arg - self.arg_name = arg_name - self.arg_conv = arg_conv - self.arg_conv_name = arg_conv_name - self.arg_conv_cleanup = arg_conv_cleanup - self.ret_conv = ret_conv - self.ret_conv_name = ret_conv_name - self.to_hu_conv = to_hu_conv - self.to_hu_conv_name = to_hu_conv_name - self.from_hu_conv = from_hu_conv - - def print_ty(self): - write_c(self.c_ty) - out_java.write(self.java_ty) - - def print_name(self): - if self.arg_name != "": - out_java.write(" " + self.arg_name) - write_c(" " + self.arg_name) - else: - out_java.write(" arg") - write_c(" arg") - def camel_to_snake(s): # Convert camel case to snake case, in a way that appears to match cbindgen con = "_" @@ -228,9 +73,6 @@ trait_structs = set() result_types = set() tuple_types = {} -def is_common_base_ext(struct_name): - return struct_name in complex_enums or struct_name in opaque_structs or struct_name in trait_structs or struct_name in result_types - var_is_arr_regex = re.compile("\(\*([A-za-z0-9_]*)\)\[([a-z0-9]*)\]") var_ty_regex = re.compile("([A-za-z_0-9]*)(.*)") java_c_types_none_allowed = True # Unset when we do the real pass that populates the above sets @@ -242,6 +84,12 @@ def java_c_types(fn_arg, ret_arr_len): if fn_arg.startswith("const "): fn_arg = fn_arg[6:] is_const = True + if fn_arg.startswith("struct "): + fn_arg = fn_arg[7:] + if fn_arg.startswith("enum "): + fn_arg = fn_arg[5:] + nonnull_ptr = "NONNULL_PTR" in fn_arg + fn_arg = fn_arg.replace("NONNULL_PTR", "") is_ptr = False take_by_ptr = False @@ -293,34 +141,31 @@ def java_c_types(fn_arg, ret_arr_len): assert var_is_arr_regex.match(fn_arg[8:]) rust_obj = "LDKu8slice" arr_access = "data" - elif fn_arg.startswith("LDKCVecTempl_u8") or fn_arg.startswith("LDKCVec_u8Z"): - if fn_arg.startswith("LDKCVecTempl_u8"): - fn_arg = "uint8_t (*" + fn_arg[16:] + ")[datalen]" - rust_obj = "LDKCVecTempl_u8" - assert var_is_arr_regex.match(fn_arg[8:]) - else: - fn_arg = "uint8_t (*" + fn_arg[12:] + ")[datalen]" - rust_obj = "LDKCVec_u8Z" - assert var_is_arr_regex.match(fn_arg[8:]) + elif fn_arg.startswith("LDKCVec_u8Z"): + fn_arg = "uint8_t (*" + fn_arg[12:] + ")[datalen]" + rust_obj = "LDKCVec_u8Z" + assert var_is_arr_regex.match(fn_arg[8:]) arr_access = "data" - elif fn_arg.startswith("LDKCVecTempl_") or fn_arg.startswith("LDKCVec_"): + elif fn_arg.startswith("LDKTransaction"): + fn_arg = "uint8_t (*" + fn_arg[15:] + ")[datalen]" + rust_obj = "LDKTransaction" + assert var_is_arr_regex.match(fn_arg[8:]) + arr_access = "data" + elif fn_arg.startswith("LDKCVec_"): is_ptr = False if "*" in fn_arg: fn_arg = fn_arg.replace("*", "") is_ptr = True - if fn_arg.startswith("LDKCVec_"): - tyn = fn_arg[8:].split(" ") - assert tyn[0].endswith("Z") - if tyn[0] == "u64Z": - new_arg = "uint64_t" - else: - new_arg = "LDK" + tyn[0][:-1] - for a in tyn[1:]: - new_arg = new_arg + " " + a - res = java_c_types(new_arg, ret_arr_len) + tyn = fn_arg[8:].split(" ") + assert tyn[0].endswith("Z") + if tyn[0] == "u64Z": + new_arg = "uint64_t" else: - res = java_c_types("LDK" + fn_arg[13:], ret_arr_len) + new_arg = "LDK" + tyn[0][:-1] + for a in tyn[1:]: + new_arg = new_arg + " " + a + res = java_c_types(new_arg, ret_arr_len) if res is None: assert java_c_types_none_allowed return None @@ -329,14 +174,18 @@ def java_c_types(fn_arg, ret_arr_len): if res.is_native_primitive or res.passed_as_ptr: return TypeInfo(rust_obj=fn_arg.split(" ")[0], java_ty=res.java_ty + "[]", java_hu_ty=res.java_hu_ty + "[]", java_fn_ty_arg="[" + res.java_fn_ty_arg, c_ty=res.c_ty + "Array", passed_as_ptr=False, is_ptr=is_ptr, + nonnull_ptr=nonnull_ptr, is_const=is_const, var_name=res.var_name, arr_len="datalen", arr_access="data", subty=res, is_native_primitive=False) else: return TypeInfo(rust_obj=fn_arg.split(" ")[0], java_ty=res.java_ty + "[]", java_hu_ty=res.java_hu_ty + "[]", - java_fn_ty_arg="[" + res.java_fn_ty_arg, c_ty="jobjectArray", passed_as_ptr=False, is_ptr=is_ptr, + java_fn_ty_arg="[" + res.java_fn_ty_arg, c_ty=consts.ptr_arr, passed_as_ptr=False, is_ptr=is_ptr, + nonnull_ptr=nonnull_ptr, is_const=is_const, var_name=res.var_name, arr_len="datalen", arr_access="data", subty=res, is_native_primitive=False) is_primitive = False arr_len = None + mapped_type = [] + java_type_plural = None if fn_arg.startswith("void"): java_ty = "void" c_ty = "void" @@ -350,30 +199,37 @@ def java_c_types(fn_arg, ret_arr_len): fn_arg = fn_arg[4:].strip() is_primitive = True elif fn_arg.startswith("uint8_t"): - java_ty = "byte" - c_ty = "jbyte" + mapped_type = consts.c_type_map['uint8_t'] + java_ty = mapped_type[0] + c_ty = "int8_t" fn_ty_arg = "B" fn_arg = fn_arg[7:].strip() is_primitive = True elif fn_arg.startswith("uint16_t"): - java_ty = "short" - c_ty = "jshort" + mapped_type = consts.c_type_map['uint16_t'] + java_ty = mapped_type[0] + c_ty = "int16_t" fn_ty_arg = "S" fn_arg = fn_arg[8:].strip() is_primitive = True elif fn_arg.startswith("uint32_t"): - java_ty = "int" - c_ty = "jint" + mapped_type = consts.c_type_map['uint32_t'] + java_ty = mapped_type[0] + c_ty = "int32_t" fn_ty_arg = "I" fn_arg = fn_arg[8:].strip() is_primitive = True elif fn_arg.startswith("uint64_t") or fn_arg.startswith("uintptr_t"): - java_ty = "long" - c_ty = "jlong" + # TODO: uintptr_t is arch-dependent :( + mapped_type = consts.c_type_map['uint64_t'] + java_ty = mapped_type[0] fn_ty_arg = "J" if fn_arg.startswith("uint64_t"): + c_ty = "int64_t" fn_arg = fn_arg[8:].strip() else: + c_ty = "int64_t" + rust_obj = "uintptr_t" fn_arg = fn_arg[9:].strip() is_primitive = True elif is_const and fn_arg.startswith("char *"): @@ -392,13 +248,13 @@ def java_c_types(fn_arg, ret_arr_len): ma = var_ty_regex.match(fn_arg) if ma.group(1).strip() in unitary_enums: java_ty = ma.group(1).strip() - c_ty = "jclass" + c_ty = consts.result_c_ty fn_ty_arg = "Lorg/ldk/enums/" + ma.group(1).strip() + ";" fn_arg = ma.group(2).strip() rust_obj = ma.group(1).strip() - take_by_ptr = True elif ma.group(1).strip().startswith("LDKC2Tuple"): - java_ty = "long" + c_ty = consts.ptr_c_ty + java_ty = consts.ptr_native_ty java_hu_ty = "TwoTuple<" if not ma.group(1).strip() in tuple_types: assert java_c_types_none_allowed @@ -407,17 +263,20 @@ def java_c_types(fn_arg, ret_arr_len): if idx != 0: java_hu_ty = java_hu_ty + ", " if ty_info.is_native_primitive: - java_hu_ty = java_hu_ty + ty_info.java_hu_ty.title() # If we're a primitive, capitalize the first letter + if ty_info.java_hu_ty == "int": + java_hu_ty = java_hu_ty + "Integer" # Java concrete integer type is Integer, not Int + else: + java_hu_ty = java_hu_ty + ty_info.java_hu_ty.title() # If we're a primitive, capitalize the first letter else: java_hu_ty = java_hu_ty + ty_info.java_hu_ty java_hu_ty = java_hu_ty + ">" - c_ty = "jlong" fn_ty_arg = "J" fn_arg = ma.group(2).strip() rust_obj = ma.group(1).strip() take_by_ptr = True elif ma.group(1).strip().startswith("LDKC3Tuple"): - java_ty = "long" + c_ty = consts.ptr_c_ty + java_ty = consts.ptr_native_ty java_hu_ty = "ThreeTuple<" if not ma.group(1).strip() in tuple_types: assert java_c_types_none_allowed @@ -426,19 +285,21 @@ def java_c_types(fn_arg, ret_arr_len): if idx != 0: java_hu_ty = java_hu_ty + ", " if ty_info.is_native_primitive: - java_hu_ty = java_hu_ty + ty_info.java_hu_ty.title() # If we're a primitive, capitalize the first letter + if ty_info.java_hu_ty == "int": + java_hu_ty = java_hu_ty + "Integer" # Java concrete integer type is Integer, not Int + else: + java_hu_ty = java_hu_ty + ty_info.java_hu_ty.title() # If we're a primitive, capitalize the first letter else: java_hu_ty = java_hu_ty + ty_info.java_hu_ty java_hu_ty = java_hu_ty + ">" - c_ty = "jlong" fn_ty_arg = "J" fn_arg = ma.group(2).strip() rust_obj = ma.group(1).strip() take_by_ptr = True else: - java_ty = "long" - java_hu_ty = ma.group(1).strip().replace("LDKCResult", "Result").replace("LDK", "") - c_ty = "jlong" + c_ty = consts.ptr_c_ty + java_ty = consts.ptr_native_ty + java_hu_ty = ma.group(1).strip().replace("LDKCOption", "Option").replace("LDKCResult", "Result").replace("LDK", "") fn_ty_arg = "J" fn_arg = ma.group(2).strip() rust_obj = ma.group(1).strip() @@ -447,35 +308,43 @@ def java_c_types(fn_arg, ret_arr_len): if fn_arg.startswith(" *") or fn_arg.startswith("*"): fn_arg = fn_arg.replace("*", "").strip() is_ptr = True - c_ty = "jlong" - java_ty = "long" + c_ty = consts.ptr_c_ty + java_ty = consts.ptr_native_ty fn_ty_arg = "J" - is_primitive = False var_is_arr = var_is_arr_regex.match(fn_arg) if var_is_arr is not None or ret_arr_len is not None: assert(not take_by_ptr) assert(not is_ptr) - java_ty = java_ty + "[]" + # is there a special case for plurals? + if len(mapped_type) == 2: + java_ty = mapped_type[1] + else: + java_ty = java_ty + "[]" c_ty = c_ty + "Array" if var_is_arr is not None: if var_is_arr.group(1) == "": - return TypeInfo(rust_obj=rust_obj, java_ty=java_ty, java_hu_ty=java_ty, java_fn_ty_arg="[" + fn_ty_arg, c_ty=c_ty, - passed_as_ptr=False, is_ptr=False, var_name="arg", arr_len=var_is_arr.group(2), arr_access=arr_access, is_native_primitive=False) - return TypeInfo(rust_obj=rust_obj, java_ty=java_ty, java_hu_ty=java_ty, java_fn_ty_arg="[" + fn_ty_arg, c_ty=c_ty, - passed_as_ptr=False, is_ptr=False, var_name=var_is_arr.group(1), arr_len=var_is_arr.group(2), arr_access=arr_access, is_native_primitive=False) + return TypeInfo(rust_obj=rust_obj, java_ty=java_ty, java_hu_ty=java_ty, java_fn_ty_arg="[" + fn_ty_arg, c_ty=c_ty, is_const=is_const, + passed_as_ptr=False, is_ptr=False, nonnull_ptr=nonnull_ptr, var_name="arg", + arr_len=var_is_arr.group(2), arr_access=arr_access, is_native_primitive=False) + return TypeInfo(rust_obj=rust_obj, java_ty=java_ty, java_hu_ty=java_ty, java_fn_ty_arg="[" + fn_ty_arg, c_ty=c_ty, is_const=is_const, + passed_as_ptr=False, is_ptr=False, nonnull_ptr=nonnull_ptr, var_name=var_is_arr.group(1), + arr_len=var_is_arr.group(2), arr_access=arr_access, is_native_primitive=False) if java_hu_ty is None: java_hu_ty = java_ty return TypeInfo(rust_obj=rust_obj, java_ty=java_ty, java_hu_ty=java_hu_ty, java_fn_ty_arg=fn_ty_arg, c_ty=c_ty, passed_as_ptr=is_ptr or take_by_ptr, - is_ptr=is_ptr, var_name=fn_arg, arr_len=arr_len, arr_access=arr_access, is_native_primitive=is_primitive) + is_const=is_const, is_ptr=is_ptr, nonnull_ptr=nonnull_ptr, var_name=fn_arg, arr_len=arr_len, arr_access=arr_access, is_native_primitive=is_primitive) fn_ptr_regex = re.compile("^extern const ([A-Za-z_0-9\* ]*) \(\*(.*)\)\((.*)\);$") fn_ret_arr_regex = re.compile("(.*) \(\*(.*)\((.*)\)\)\[([0-9]*)\];$") reg_fn_regex = re.compile("([A-Za-z_0-9\* ]* \*?)([a-zA-Z_0-9]*)\((.*)\);$") clone_fns = set() constructor_fns = {} -c_array_class_caches = set() + +from gen_type_mapping import TypeMappingGenerator +type_mapping_generator = TypeMappingGenerator(java_c_types, consts, opaque_structs, clone_fns, unitary_enums, trait_structs, complex_enums, result_types, tuple_types) + with open(sys.argv[1]) as in_h: for line in in_h: reg_fn = reg_fn_regex.match(line) @@ -484,7 +353,7 @@ with open(sys.argv[1]) as in_h: clone_fns.add(reg_fn.group(2)) else: rty = java_c_types(reg_fn.group(1), None) - if rty is not None and rty.rust_obj is not None and reg_fn.group(2) == rty.java_hu_ty + "_new": + if rty is not None and not rty.is_native_primitive and reg_fn.group(2) == rty.java_hu_ty + "_new": constructor_fns[rty.rust_obj] = reg_fn.group(3) continue arr_fn = fn_ret_arr_regex.match(line) @@ -493,935 +362,184 @@ with open(sys.argv[1]) as in_h: clone_fns.add(arr_fn.group(2)) # No object constructors return arrays, as then they wouldn't be an object constructor continue -java_c_types_none_allowed = False # C structs created by cbindgen are declared in dependency order -with open(sys.argv[1]) as in_h, open(sys.argv[2], "w") as out_java: - def map_type(fn_arg, print_void, ret_arr_len, is_free, holds_ref): - ty_info = java_c_types(fn_arg, ret_arr_len) - return map_type_with_info(ty_info, print_void, ret_arr_len, is_free, holds_ref) - - def map_type_with_info(ty_info, print_void, ret_arr_len, is_free, holds_ref): - if ty_info.c_ty == "void": - if not print_void: - return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name, - arg_conv = None, arg_conv_name = None, arg_conv_cleanup = None, - ret_conv = None, ret_conv_name = None, to_hu_conv = None, to_hu_conv_name = None, from_hu_conv = None) - if ty_info.c_ty.endswith("Array"): - arr_len = ty_info.arr_len - if arr_len is not None: - arr_name = ty_info.var_name - else: - arr_name = "ret" - arr_len = ret_arr_len - if ty_info.c_ty == "jbyteArray": - ret_conv = ("jbyteArray " + arr_name + "_arr = (*_env)->NewByteArray(_env, " + arr_len + ");\n" + "(*_env)->SetByteArrayRegion(_env, " + arr_name + "_arr, 0, " + arr_len + ", ", "") - arg_conv_cleanup = None - if not arr_len.isdigit(): - arg_conv = ty_info.rust_obj + " " + arr_name + "_ref;\n" - arg_conv = arg_conv + arr_name + "_ref." + ty_info.arr_access + " = (*_env)->GetByteArrayElements (_env, " + arr_name + ", NULL);\n" - arg_conv = arg_conv + arr_name + "_ref." + arr_len + " = (*_env)->GetArrayLength (_env, " + arr_name + ");" - arg_conv_cleanup = "(*_env)->ReleaseByteArrayElements(_env, " + arr_name + ", (int8_t*)" + arr_name + "_ref." + ty_info.arr_access + ", 0);" - ret_conv = (ty_info.rust_obj + " " + arr_name + "_var = ", "") - ret_conv = (ret_conv[0], ";\njbyteArray " + arr_name + "_arr = (*_env)->NewByteArray(_env, " + arr_name + "_var." + arr_len + ");\n") - ret_conv = (ret_conv[0], ret_conv[1] + "(*_env)->SetByteArrayRegion(_env, " + arr_name + "_arr, 0, " + arr_name + "_var." + arr_len + ", " + arr_name + "_var." + ty_info.arr_access + ");") - if not holds_ref and ty_info.rust_obj == "LDKCVec_u8Z": - ret_conv = (ret_conv[0], ret_conv[1] + "\nCVec_u8Z_free(" + arr_name + "_var);") - elif ty_info.rust_obj is not None: - arg_conv = ty_info.rust_obj + " " + arr_name + "_ref;\n" - arg_conv = arg_conv + "CHECK((*_env)->GetArrayLength (_env, " + arr_name + ") == " + arr_len + ");\n" - arg_conv = arg_conv + "(*_env)->GetByteArrayRegion (_env, " + arr_name + ", 0, " + arr_len + ", " + arr_name + "_ref." + ty_info.arr_access + ");" - ret_conv = (ret_conv[0], "." + ty_info.arr_access + ");") - else: - arg_conv = "unsigned char " + arr_name + "_arr[" + arr_len + "];\n" - arg_conv = arg_conv + "CHECK((*_env)->GetArrayLength (_env, " + arr_name + ") == " + arr_len + ");\n" - arg_conv = arg_conv + "(*_env)->GetByteArrayRegion (_env, " + arr_name + ", 0, " + arr_len + ", " + arr_name + "_arr);\n" + "unsigned char (*" + arr_name + "_ref)[" + arr_len + "] = &" + arr_name + "_arr;" - ret_conv = (ret_conv[0] + "*", ");") - return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name, - arg_conv = arg_conv, arg_conv_name = arr_name + "_ref", arg_conv_cleanup = arg_conv_cleanup, - ret_conv = ret_conv, ret_conv_name = arr_name + "_arr", to_hu_conv = None, to_hu_conv_name = None, from_hu_conv = None) - else: - assert not arr_len.isdigit() # fixed length arrays not implemented - assert ty_info.java_ty[len(ty_info.java_ty) - 2:] == "[]" - conv_name = "arr_conv_" + str(len(ty_info.java_hu_ty)) - idxc = chr(ord('a') + (len(ty_info.java_hu_ty) % 26)) - ty_info.subty.var_name = conv_name - ty_info.subty.passed_as_ptr = False - subty = map_type_with_info(ty_info.subty, False, None, is_free, holds_ref) - if arr_name == "": - arr_name = "arg" - arg_conv = ty_info.rust_obj + " " + arr_name + "_constr;\n" - arg_conv = arg_conv + arr_name + "_constr." + arr_len + " = (*_env)->GetArrayLength (_env, " + arr_name + ");\n" - arg_conv = arg_conv + "if (" + arr_name + "_constr." + arr_len + " > 0)\n" - if subty.rust_obj is None: - szof = subty.c_ty - else: - szof = subty.rust_obj - arg_conv = arg_conv + "\t" + arr_name + "_constr." + ty_info.arr_access + " = MALLOC(" + arr_name + "_constr." + arr_len + " * sizeof(" + szof + "), \"" + ty_info.rust_obj + " Elements\");\n" - arg_conv = arg_conv + "else\n" - arg_conv = arg_conv + "\t" + arr_name + "_constr." + ty_info.arr_access + " = NULL;\n" - if not ty_info.java_ty[:len(ty_info.java_ty) - 2].endswith("[]"): - arg_conv = arg_conv + ty_info.java_ty.strip("[]") + "* " + arr_name + "_vals = (*_env)->Get" + ty_info.subty.java_ty.title() + "ArrayElements (_env, " + arr_name + ", NULL);\n" - arg_conv = arg_conv + "for (size_t " + idxc + " = 0; " + idxc + " < " + arr_name + "_constr." + arr_len + "; " + idxc + "++) {\n" - if not ty_info.java_ty[:len(ty_info.java_ty) - 2].endswith("[]"): - arg_conv = arg_conv + "\t" + ty_info.java_ty.strip("[]") + " " + conv_name + " = " + arr_name + "_vals[" + idxc + "];" - if subty.arg_conv is not None: - arg_conv = arg_conv + "\n\t" + subty.arg_conv.replace("\n", "\n\t") - else: - arg_conv = arg_conv + "\tjobject " + conv_name + " = (*_env)->GetObjectArrayElement(_env, " + arr_name + ", " + idxc + ");\n" - arg_conv = arg_conv + "\t" + subty.arg_conv.replace("\n", "\n\t") - arg_conv = arg_conv + "\n\t" + arr_name + "_constr." + ty_info.arr_access + "[" + idxc + "] = " + subty.arg_conv_name + ";\n}" - if not ty_info.java_ty[:len(ty_info.java_ty) - 2].endswith("[]"): - arg_conv = arg_conv + "\n(*_env)->Release" + ty_info.java_ty.strip("[]").title() + "ArrayElements (_env, " + arr_name + ", " + arr_name + "_vals, 0);" - if ty_info.is_ptr: - arg_conv_name = "&" + arr_name + "_constr" - else: - arg_conv_name = arr_name + "_constr" - arg_conv_cleanup = None - if ty_info.is_ptr: - arg_conv_cleanup = "FREE(" + arr_name + "_constr." + ty_info.arr_access + ");" - - if arr_name == "arg": - arr_name = "ret" - ret_conv = (ty_info.rust_obj + " " + arr_name + "_var = ", "") - if subty.ret_conv is None: - ret_conv = ("DUMMY", "DUMMY") - elif not ty_info.java_ty[:len(ty_info.java_ty) - 2].endswith("[]"): - ret_conv = (ret_conv[0], ";\n" + ty_info.c_ty + " " + arr_name + "_arr = (*_env)->New" + ty_info.java_ty.strip("[]").title() + "Array(_env, " + arr_name + "_var." + arr_len + ");\n") - ret_conv = (ret_conv[0], ret_conv[1] + subty.c_ty + " *" + arr_name + "_arr_ptr = (*_env)->GetPrimitiveArrayCritical(_env, " + arr_name + "_arr, NULL);\n") - ret_conv = (ret_conv[0], ret_conv[1] + "for (size_t " + idxc + " = 0; " + idxc + " < " + arr_name + "_var." + arr_len + "; " + idxc + "++) {\n") - ret_conv = (ret_conv[0], ret_conv[1] + "\t" + subty.ret_conv[0].replace("\n", "\n\t")) - ret_conv = (ret_conv[0], ret_conv[1] + arr_name + "_var." + ty_info.arr_access + "[" + idxc + "]" + subty.ret_conv[1].replace("\n", "\n\t")) - ret_conv = (ret_conv[0], ret_conv[1] + "\n\t" + arr_name + "_arr_ptr[" + idxc + "] = " + subty.ret_conv_name + ";\n") - ret_conv = (ret_conv[0], ret_conv[1] + "}\n(*_env)->ReleasePrimitiveArrayCritical(_env, " + arr_name + "_arr, " + arr_name + "_arr_ptr, 0);") - else: - assert ty_info.java_fn_ty_arg.startswith("[") - clz_var = ty_info.java_fn_ty_arg[1:].replace("[", "arr_of_") - c_array_class_caches.add(clz_var) - ret_conv = (ret_conv[0], ";\n" + ty_info.c_ty + " " + arr_name + "_arr = (*_env)->NewObjectArray(_env, " + arr_name + "_var." + arr_len + ", " + clz_var + "_clz, NULL);\n") - ret_conv = (ret_conv[0], ret_conv[1] + "for (size_t " + idxc + " = 0; " + idxc + " < " + arr_name + "_var." + arr_len + "; " + idxc + "++) {\n") - ret_conv = (ret_conv[0], ret_conv[1] + "\t" + subty.ret_conv[0].replace("\n", "\n\t")) - ret_conv = (ret_conv[0], ret_conv[1] + arr_name + "_var." + ty_info.arr_access + "[" + idxc + "]" + subty.ret_conv[1].replace("\n", "\n\t")) - ret_conv = (ret_conv[0], ret_conv[1] + "\n\t(*_env)->SetObjectArrayElement(_env, " + arr_name + "_arr, " + idxc + ", " + subty.ret_conv_name + ");\n") - ret_conv = (ret_conv[0], ret_conv[1] + "}") - if not holds_ref: - if subty.rust_obj is not None and subty.rust_obj in opaque_structs: - ret_conv = (ret_conv[0], ret_conv[1] + "\nFREE(" + arr_name + "_var." + ty_info.arr_access + ");") - else: - ret_conv = (ret_conv[0], ret_conv[1] + "\n" + ty_info.rust_obj.replace("LDK", "") + "_free(" + arr_name + "_var);") - - to_hu_conv = None - to_hu_conv_name = None - if subty.to_hu_conv is not None: - to_hu_conv = ty_info.java_hu_ty + " " + conv_name + "_arr = new " + ty_info.subty.java_hu_ty.split("<")[0] + "[" + arr_name + ".length];\n" - to_hu_conv = to_hu_conv + "for (int " + idxc + " = 0; " + idxc + " < " + arr_name + ".length; " + idxc + "++) {\n" - to_hu_conv = to_hu_conv + "\t" + subty.java_ty + " " + conv_name + " = " + arr_name + "[" + idxc + "];\n" - to_hu_conv = to_hu_conv + "\t" + subty.to_hu_conv.replace("\n", "\n\t") + "\n" - to_hu_conv = to_hu_conv + "\t" + conv_name + "_arr[" + idxc + "] = " + subty.to_hu_conv_name + ";\n}" - to_hu_conv_name = conv_name + "_arr" - from_hu_conv = None - if subty.from_hu_conv is not None: - if subty.java_ty == "long" and subty.java_hu_ty != "long": - from_hu_conv = ("Arrays.stream(" + arr_name + ").mapToLong(" + conv_name + " -> " + subty.from_hu_conv[0] + ").toArray()", "/* TODO 2 " + subty.java_hu_ty + " */") - elif subty.java_ty == "long": - from_hu_conv = ("Arrays.stream(" + arr_name + ").map(" + conv_name + " -> " + subty.from_hu_conv[0] + ").toArray()", "/* TODO 2 " + subty.java_hu_ty + " */") - else: - from_hu_conv = ("(" + ty_info.java_ty + ")Arrays.stream(" + arr_name + ").map(" + conv_name + " -> " + subty.from_hu_conv[0] + ").toArray()", "/* TODO 2 " + subty.java_hu_ty + " */") - - return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name, - arg_conv = arg_conv, arg_conv_name = arg_conv_name, arg_conv_cleanup = arg_conv_cleanup, - ret_conv = ret_conv, ret_conv_name = arr_name + "_arr", to_hu_conv = to_hu_conv, to_hu_conv_name = to_hu_conv_name, from_hu_conv = from_hu_conv) - elif ty_info.java_ty == "String": - if ty_info.arr_access is None: - return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name, - arg_conv = None, arg_conv_name = None, arg_conv_cleanup = None, - ret_conv = ("jstring " + ty_info.var_name + "_conv = (*_env)->NewStringUTF(_env, ", ");"), ret_conv_name = ty_info.var_name + "_conv", - to_hu_conv = None, to_hu_conv_name = None, from_hu_conv = None) - else: - return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name, - arg_conv = None, arg_conv_name = None, arg_conv_cleanup = None, - ret_conv = ("LDKStr " + ty_info.var_name + "_str = ", - ";\nchar* " + ty_info.var_name + "_buf = MALLOC(" + ty_info.var_name + "_str." + ty_info.arr_len + " + 1, \"str conv buf\");\n" + - "memcpy(" + ty_info.var_name + "_buf, " + ty_info.var_name + "_str." + ty_info.arr_access + ", " + ty_info.var_name + "_str." + ty_info.arr_len + ");\n" + - ty_info.var_name + "_buf[" + ty_info.var_name + "_str." + ty_info.arr_len + "] = 0;\n" + - "jstring " + ty_info.var_name + "_conv = (*_env)->NewStringUTF(_env, " + ty_info.var_name + "_str." + ty_info.arr_access + ");\n" + - "FREE(" + ty_info.var_name + "_buf);"), - ret_conv_name = ty_info.var_name + "_conv", to_hu_conv = None, to_hu_conv_name = None, from_hu_conv = None) - elif ty_info.var_name == "" and not print_void: - # We don't have a parameter name, and want one, just call it arg - if ty_info.rust_obj is not None: - assert(not is_free or ty_info.rust_obj not in opaque_structs) - return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name, - arg_conv = ty_info.rust_obj + " arg_conv = *(" + ty_info.rust_obj + "*)arg;\nFREE((void*)arg);", - arg_conv_name = "arg_conv", arg_conv_cleanup = None, - ret_conv = None, ret_conv_name = None, to_hu_conv = "TODO 7", to_hu_conv_name = None, from_hu_conv = None) - else: - assert(not is_free) - return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name, - arg_conv = None, arg_conv_name = "arg", arg_conv_cleanup = None, - ret_conv = None, ret_conv_name = None, to_hu_conv = "TODO 8", to_hu_conv_name = None, from_hu_conv = None) - elif ty_info.rust_obj is None: - return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name, - arg_conv = None, arg_conv_name = ty_info.var_name, arg_conv_cleanup = None, - ret_conv = None, ret_conv_name = None, to_hu_conv = None, to_hu_conv_name = None, from_hu_conv = None) - else: - if ty_info.var_name == "": - ty_info.var_name = "ret" - opaque_arg_conv = ty_info.rust_obj + " " + ty_info.var_name + "_conv;\n" - opaque_arg_conv = opaque_arg_conv + ty_info.var_name + "_conv.inner = (void*)(" + ty_info.var_name + " & (~1));\n" - if holds_ref: - opaque_arg_conv = opaque_arg_conv + ty_info.var_name + "_conv.is_owned = false;" - else: - opaque_arg_conv = opaque_arg_conv + ty_info.var_name + "_conv.is_owned = (" + ty_info.var_name + " & 1) || (" + ty_info.var_name + " == 0);" - if not ty_info.is_ptr and not is_free and not ty_info.pass_by_ref and not holds_ref: - if (ty_info.java_hu_ty + "_clone") in clone_fns: - # TODO: This is a bit too naive, even with the checks above, we really need to know if rust wants a ref or not, not just if its pass as a ptr. - opaque_arg_conv = opaque_arg_conv + "\nif (" + ty_info.var_name + "_conv.inner != NULL)\n" - opaque_arg_conv = opaque_arg_conv + "\t" + ty_info.var_name + "_conv = " + ty_info.java_hu_ty + "_clone(&" + ty_info.var_name + "_conv);" - elif ty_info.passed_as_ptr: - opaque_arg_conv = opaque_arg_conv + "\n// Warning: we may need a move here but can't clone!" - if not ty_info.is_ptr: - if ty_info.rust_obj in unitary_enums: - return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name, - arg_conv = ty_info.rust_obj + " " + ty_info.var_name + "_conv = " + ty_info.rust_obj + "_from_java(_env, " + ty_info.var_name + ");", - arg_conv_name = ty_info.var_name + "_conv", - arg_conv_cleanup = None, - ret_conv = ("jclass " + ty_info.var_name + "_conv = " + ty_info.rust_obj + "_to_java(_env, ", ");"), - ret_conv_name = ty_info.var_name + "_conv", to_hu_conv = None, to_hu_conv_name = None, from_hu_conv = None) - if ty_info.rust_obj in opaque_structs: - ret_conv_suf = ";\nCHECK((((long)" + ty_info.var_name + "_var.inner) & 1) == 0); // We rely on a free low bit, malloc guarantees this.\n" - ret_conv_suf = ret_conv_suf + "CHECK((((long)&" + ty_info.var_name + "_var) & 1) == 0); // We rely on a free low bit, pointer alignment guarantees this.\n" - if holds_ref: - ret_conv_suf = ret_conv_suf + "long " + ty_info.var_name + "_ref = (long)" + ty_info.var_name + "_var.inner & ~1;" - else: - ret_conv_suf = ret_conv_suf + "long " + ty_info.var_name + "_ref = (long)" + ty_info.var_name + "_var.inner;\n" - ret_conv_suf = ret_conv_suf + "if (" + ty_info.var_name + "_var.is_owned) {\n" - ret_conv_suf = ret_conv_suf + "\t" + ty_info.var_name + "_ref |= 1;\n" - ret_conv_suf = ret_conv_suf + "}" - return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name, - arg_conv = opaque_arg_conv, arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None, - ret_conv = (ty_info.rust_obj + " " + ty_info.var_name + "_var = ", ret_conv_suf), - ret_conv_name = ty_info.var_name + "_ref", - to_hu_conv = ty_info.java_hu_ty + " " + ty_info.var_name + "_hu_conv = new " + ty_info.java_hu_ty + "(null, " + ty_info.var_name + ");", - to_hu_conv_name = ty_info.var_name + "_hu_conv", - from_hu_conv = (ty_info.var_name + " == null ? 0 : " + ty_info.var_name + ".ptr & ~1", "this.ptrs_to.add(" + ty_info.var_name + ")")) - base_conv = ty_info.rust_obj + " " + ty_info.var_name + "_conv = *(" + ty_info.rust_obj + "*)" + ty_info.var_name + ";"; - if ty_info.rust_obj in trait_structs: - if not is_free: - base_conv = 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}" - else: - base_conv = base_conv + "\n" + "FREE((void*)" + ty_info.var_name + ");" - return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name, - arg_conv = base_conv, arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None, - ret_conv = (ty_info.rust_obj + "* ret = MALLOC(sizeof(" + ty_info.rust_obj + "), \"" + ty_info.rust_obj + "\");\n*ret = ", ";"), - ret_conv_name = "(long)ret", - to_hu_conv = ty_info.java_hu_ty + " ret_hu_conv = new " + ty_info.java_hu_ty + "(null, ret);\nret_hu_conv.ptrs_to.add(this);", - to_hu_conv_name = "ret_hu_conv", - from_hu_conv = (ty_info.var_name + " == null ? 0 : " + ty_info.var_name + ".ptr", "this.ptrs_to.add(" + ty_info.var_name + ")")) - if ty_info.rust_obj != "LDKu8slice" and ty_info.rust_obj != "LDKTransaction": - # Don't bother free'ing slices passed in - Rust doesn't auto-free the - # underlying unlike Vecs, and it gives Java more freedom. - base_conv = base_conv + "\nFREE((void*)" + ty_info.var_name + ");"; - if ty_info.rust_obj in complex_enums: - ret_conv = ("long " + ty_info.var_name + "_ref = (long)&", ";") - if not holds_ref: - ret_conv = (ty_info.rust_obj + " *" + ty_info.var_name + "_copy = MALLOC(sizeof(" + ty_info.rust_obj + "), \"" + ty_info.rust_obj + "\");\n", "") - if not ty_info.passed_as_ptr: - # We use passed_as_ptr as a flag to detect if we're copying a Vec. - if (ty_info.java_hu_ty + "_clone") in clone_fns: - ret_conv = (ret_conv[0] + "*" + ty_info.var_name + "_copy = " + ty_info.java_hu_ty + "_clone(&", ");\n") - else: - ret_conv = (ret_conv[0] + "*" + ty_info.var_name + "_copy = ", "; // XXX: We likely need to clone here, but no _clone fn is available!\n") - else: - ret_conv = (ret_conv[0] + "*" + ty_info.var_name + "_copy = ", ";\n") - ret_conv = (ret_conv[0], ret_conv[1] + "long " + ty_info.var_name + "_ref = (long)" + ty_info.var_name + "_copy;") - return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name, - arg_conv = base_conv, arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None, - ret_conv = ret_conv, ret_conv_name = ty_info.var_name + "_ref", - to_hu_conv = ty_info.java_hu_ty + " " + ty_info.var_name + "_hu_conv = " + ty_info.java_hu_ty + ".constr_from_ptr(" + ty_info.var_name + ");\n" + ty_info.var_name + "_hu_conv.ptrs_to.add(this);", - to_hu_conv_name = ty_info.var_name + "_hu_conv", from_hu_conv = (ty_info.var_name + ".ptr", "")) - if ty_info.rust_obj in result_types: - assert not ty_info.is_ptr and not holds_ref # Otherwise we shouldn't be MALLOC'ing - ret_conv = (ty_info.rust_obj + "* " + ty_info.var_name + "_conv = MALLOC(sizeof(" + ty_info.rust_obj + "), \"" + ty_info.rust_obj + "\");\n*" + ty_info.var_name + "_conv = ", ";") - return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name, - arg_conv = base_conv, arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None, - ret_conv = ret_conv, ret_conv_name = "(long)" + ty_info.var_name + "_conv", - to_hu_conv = ty_info.java_hu_ty + " " + ty_info.var_name + "_hu_conv = " + ty_info.java_hu_ty + ".constr_from_ptr(" + ty_info.var_name + ");\n" + ty_info.var_name + "_hu_conv.ptrs_to.add(this);", - to_hu_conv_name = ty_info.var_name + "_hu_conv", from_hu_conv = (ty_info.var_name + " != null ? " + ty_info.var_name + ".ptr : 0", "")) - if ty_info.rust_obj in tuple_types: - from_hu_conv = "bindings." + tuple_types[ty_info.rust_obj][1].replace("LDK", "") + "_new(" - to_hu_conv_pfx = "" - to_hu_conv_sfx = ty_info.java_hu_ty + " " + ty_info.var_name + "_conv = new " + ty_info.java_hu_ty + "(" - for idx, conv in enumerate(tuple_types[ty_info.rust_obj][0]): - if idx != 0: - to_hu_conv_sfx = to_hu_conv_sfx + ", " - from_hu_conv = from_hu_conv + ", " - conv.var_name = ty_info.var_name + "_" + chr(idx + ord("a")) - conv_map = map_type_with_info(conv, False, None, is_free, holds_ref) - to_hu_conv_pfx = to_hu_conv_pfx + conv.java_ty + " " + ty_info.var_name + "_" + chr(idx + ord("a")) + " = " + "bindings." + tuple_types[ty_info.rust_obj][1] + "_get_" + chr(idx + ord("a")) + "(" + ty_info.var_name + ");\n" - if conv_map.to_hu_conv is not None: - to_hu_conv_pfx = to_hu_conv_pfx + conv_map.to_hu_conv + ";\n" - to_hu_conv_sfx = to_hu_conv_sfx + conv_map.to_hu_conv_name - else: - to_hu_conv_sfx = to_hu_conv_sfx + ty_info.var_name + "_" + chr(idx + ord("a")) - if conv_map.from_hu_conv is not None: - from_hu_conv = from_hu_conv + conv_map.from_hu_conv[0].replace(ty_info.var_name + "_" + chr(idx + ord("a")), ty_info.var_name + "." + chr(idx + ord("a"))) - if conv_map.from_hu_conv[1] != "": - from_hu_conv = from_hu_conv + "/*XXX: " + conv_map.from_hu_conv[1] + "*/" - else: - from_hu_conv = from_hu_conv + ty_info.var_name + "." + chr(idx + ord("a")) - - if not ty_info.is_ptr and not holds_ref: - return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name, - arg_conv = base_conv, arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None, - - ret_conv = (ty_info.rust_obj + "* " + ty_info.var_name + "_ref = MALLOC(sizeof(" + ty_info.rust_obj + "), \"" + ty_info.rust_obj + "\");\n*" + ty_info.var_name + "_ref = ", ";"), - ret_conv_name = "(long)" + ty_info.var_name + "_ref", - to_hu_conv = to_hu_conv_pfx + to_hu_conv_sfx + ");", to_hu_conv_name = ty_info.var_name + "_conv", from_hu_conv = (from_hu_conv + ")", "")) - return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name, - arg_conv = base_conv, arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None, - ret_conv = ("long " + ty_info.var_name + "_ref = (long)&", ";"), ret_conv_name = ty_info.var_name + "_ref", - to_hu_conv = to_hu_conv_pfx + to_hu_conv_sfx + ");", to_hu_conv_name = ty_info.var_name + "_conv", from_hu_conv = (from_hu_conv + ")", "")) - - # The manually-defined types - TxOut and Transaction - assert ty_info.rust_obj == "LDKTransaction" or ty_info.rust_obj == "LDKTxOut" - if ty_info.rust_obj == "LDKTransaction": - return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name, - arg_conv = base_conv, arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None, - ret_conv = ("LDKTransaction *" + ty_info.var_name + "_copy = MALLOC(sizeof(LDKTransaction), \"LDKTransaction\");\n*" + ty_info.var_name + "_copy = ", ";\nlong " + ty_info.var_name + "_ref = (long)" + ty_info.var_name + "_copy;"), - ret_conv_name = ty_info.var_name + "_ref", - to_hu_conv = ty_info.java_hu_ty + " " + ty_info.var_name + "_conv = new " +ty_info.java_hu_ty + "(null, " + ty_info.var_name + ");", - to_hu_conv_name = ty_info.var_name + "_conv", from_hu_conv = (ty_info.var_name + ".ptr", "")) - elif ty_info.rust_obj == "LDKTxOut": - return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name, - arg_conv = base_conv, arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None, - ret_conv = ("long " + ty_info.var_name + "_ref = (long)&", ";"), ret_conv_name = ty_info.var_name + "_ref", - to_hu_conv = ty_info.java_hu_ty + " " + ty_info.var_name + "_conv = new " +ty_info.java_hu_ty + "(null, " + ty_info.var_name + ");", - to_hu_conv_name = ty_info.var_name + "_conv", from_hu_conv = (ty_info.var_name + ".ptr", "")) - elif ty_info.is_ptr: - assert(not is_free) - if ty_info.rust_obj in opaque_structs: - return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name, - arg_conv = opaque_arg_conv, arg_conv_name = "&" + ty_info.var_name + "_conv", arg_conv_cleanup = None, - ret_conv = ("long ret_" + ty_info.var_name + " = (long)", ";"), ret_conv_name = "ret_" + ty_info.var_name, - to_hu_conv = ty_info.java_hu_ty + " " + ty_info.var_name + "_hu_conv = new " + ty_info.java_hu_ty + "(null, " + ty_info.var_name + ");", - to_hu_conv_name = ty_info.var_name + "_hu_conv", - from_hu_conv = (ty_info.var_name + " == null ? 0 : " + ty_info.var_name + ".ptr & ~1", "this.ptrs_to.add(" + ty_info.var_name + ")")) - elif ty_info.rust_obj in complex_enums: - return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name, - arg_conv = ty_info.rust_obj + "* " + ty_info.var_name + "_conv = (" + ty_info.rust_obj + "*)" + ty_info.var_name + ";", - arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None, - ret_conv = ("long ret_" + ty_info.var_name + " = (long)", ";"), ret_conv_name = "ret_" + ty_info.var_name, - to_hu_conv = ty_info.java_hu_ty + " " + ty_info.var_name + "_hu_conv = " + ty_info.java_hu_ty + ".constr_from_ptr(" + ty_info.var_name + ");", - to_hu_conv_name = ty_info.var_name + "_hu_conv", - from_hu_conv = (ty_info.var_name + " == null ? 0 : " + ty_info.var_name + ".ptr & ~1", "this.ptrs_to.add(" + ty_info.var_name + ")")) - elif ty_info.rust_obj in trait_structs: - return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name, - arg_conv = ty_info.rust_obj + "* " + ty_info.var_name + "_conv = (" + ty_info.rust_obj + "*)" + ty_info.var_name + ";", - arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None, - ret_conv = ("long ret_" + ty_info.var_name + " = (long)", ";"), ret_conv_name = "ret_" + ty_info.var_name, - to_hu_conv = ty_info.java_hu_ty + " ret_hu_conv = new " + ty_info.java_hu_ty + "(null, ret);\nret_hu_conv.ptrs_to.add(this);", - to_hu_conv_name = "ret_hu_conv", - from_hu_conv = (ty_info.var_name + " == null ? 0 : " + ty_info.var_name + ".ptr", "this.ptrs_to.add(" + ty_info.var_name + ")")) - return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name, - arg_conv = ty_info.rust_obj + "* " + ty_info.var_name + "_conv = (" + ty_info.rust_obj + "*)" + ty_info.var_name + ";", - arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None, - ret_conv = ("long ret_" + ty_info.var_name + " = (long)", ";"), ret_conv_name = "ret_" + ty_info.var_name, - to_hu_conv = "TODO 3", to_hu_conv_name = None, from_hu_conv = None) # its a pointer, no conv needed - assert False # We should have handled every case by now. - - def map_fn(line, re_match, ret_arr_len, c_call_string): - out_java.write("\t// " + line) - out_java.write("\tpublic static native ") - write_c("JNIEXPORT ") +# Define some manual clones... +clone_fns.add("ThirtyTwoBytes_clone") +write_c("static inline struct LDKThirtyTwoBytes ThirtyTwoBytes_clone(const struct LDKThirtyTwoBytes *orig) { struct LDKThirtyTwoBytes ret; memcpy(ret.data, orig->data, 32); return ret; }\n") - is_free = re_match.group(2).endswith("_free") - struct_meth = re_match.group(2).split("_")[0] +java_c_types_none_allowed = False # C structs created by cbindgen are declared in dependency order - ret_info = map_type(re_match.group(1), True, ret_arr_len, False, False) - ret_info.print_ty() +with open(f"{sys.argv[3]}/structs/UtilMethods{consts.file_ext}", "a") as util: + util.write(consts.util_fn_pfx) - if ret_info.ret_conv is not None: - ret_conv_pfx, ret_conv_sfx = ret_info.ret_conv +with open(sys.argv[1]) as in_h, open(sys.argv[2], "w") as out_java: + # Map a top-level function + def map_fn(line, re_match, ret_arr_len, c_call_string, doc_comment): + method_return_type = re_match.group(1) + method_name = re_match.group(2) + method_comma_separated_arguments = re_match.group(3) + method_arguments = method_comma_separated_arguments.split(',') + + is_free = method_name.endswith("_free") + if method_name.startswith("COption") or method_name.startswith("CResult"): + struct_meth = method_name.rsplit("Z", 1)[0][1:] + "Z" + else: + struct_meth = method_name.split("_")[0] - out_java.write(" " + re_match.group(2) + "(") - write_c(" JNICALL Java_org_ldk_impl_bindings_" + re_match.group(2).replace('_', '_1') + "(JNIEnv * _env, jclass _b") + return_type_info = type_mapping_generator.map_type(method_return_type, True, ret_arr_len, False, False) - arg_names = [] + argument_types = [] default_constructor_args = {} takes_self = False - args_known = not ret_info.passed_as_ptr or ret_info.rust_obj in opaque_structs or ret_info.rust_obj in trait_structs or ret_info.rust_obj in complex_enums or ret_info.rust_obj in result_types - for idx, arg in enumerate(re_match.group(3).split(',')): - if idx != 0: - out_java.write(", ") - if arg != "void": - write_c(", ") - arg_conv_info = map_type(arg, False, None, is_free, False) - if arg_conv_info.c_ty != "void": - arg_conv_info.print_ty() - arg_conv_info.print_name() - if arg_conv_info.arg_name == "this_ptr" or arg_conv_info.arg_name == "this_arg": + args_known = True + + for argument_index, argument in enumerate(method_arguments): + argument_conversion_info = type_mapping_generator.map_type(argument, False, None, is_free, True) + if argument_index == 0 and argument_conversion_info.java_hu_ty == struct_meth: takes_self = True - if arg_conv_info.arg_conv is not None and "Warning" in arg_conv_info.arg_conv: - if arg_conv_info.rust_obj in constructor_fns: + if argument_conversion_info.arg_conv is not None and "Warning" in argument_conversion_info.arg_conv: + if argument_conversion_info.rust_obj in constructor_fns: assert not is_free - for explode_arg in constructor_fns[arg_conv_info.rust_obj].split(','): - explode_arg_conv = map_type(explode_arg, False, None, False, False) + for explode_arg in constructor_fns[argument_conversion_info.rust_obj].split(','): + explode_arg_conv = type_mapping_generator.map_type(explode_arg, False, None, False, True) if explode_arg_conv.c_ty == "void": # We actually want to handle this case, but for now its only used in NetGraphMsgHandler::new() # which ends up resulting in a redundant constructor - both without arguments for the NetworkGraph. args_known = False - assert explode_arg_conv.arg_name != "this_ptr" - assert explode_arg_conv.arg_name != "this_arg" - if explode_arg_conv.passed_as_ptr and not explode_arg_conv.rust_obj in trait_structs: - args_known = False - if not arg_conv_info.arg_name in default_constructor_args: - default_constructor_args[arg_conv_info.arg_name] = [] - default_constructor_args[arg_conv_info.arg_name].append(explode_arg_conv) - else: - args_known = False - arg_names.append(arg_conv_info) - - out_java_struct = None - if ("LDK" + struct_meth in opaque_structs or "LDK" + struct_meth in trait_structs) and not is_free: - out_java_struct = open(sys.argv[3] + "/structs/" + struct_meth + ".java", "a") - if not args_known: - out_java_struct.write("\t// Skipped " + re_match.group(2) + "\n") - out_java_struct.close() - out_java_struct = None - else: - meth_n = re_match.group(2)[len(struct_meth) + 1:] - if ret_info.rust_obj == "LDK" + struct_meth: - out_java_struct.write("\tpublic static " + ret_info.java_hu_ty + " constructor_" + meth_n + "(") - else: - out_java_struct.write("\tpublic " + ret_info.java_hu_ty + " " + meth_n + "(") - for idx, arg in enumerate(arg_names): - if idx != 0: - if not takes_self or idx > 1: - out_java_struct.write(", ") - if arg.java_ty != "void" and arg.arg_name != "this_ptr" and arg.arg_name != "this_arg": - 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.write(", ") - assert explode_arg.rust_obj in opaque_structs or explode_arg.rust_obj in trait_structs - out_java_struct.write(explode_arg.java_hu_ty + " " + arg.arg_name + "_" + explode_arg.arg_name) - else: - out_java_struct.write(arg.java_hu_ty + " " + arg.arg_name) + pass + if not argument_conversion_info.arg_name in default_constructor_args: + default_constructor_args[argument_conversion_info.arg_name] = [] + default_constructor_args[argument_conversion_info.arg_name].append(explode_arg_conv) + argument_types.append(argument_conversion_info) - - out_java.write(");\n") - write_c(") {\n") - if out_java_struct is not None: - out_java_struct.write(") {\n") - - for info in arg_names: - if info.arg_conv is not None: - write_c("\t" + info.arg_conv.replace('\n', "\n\t") + "\n") - - if ret_info.ret_conv is not None: - write_c("\t" + ret_conv_pfx.replace('\n', '\n\t')) - elif ret_info.c_ty != "void": - write_c("\t" + ret_info.c_ty + " ret_val = ") + out_java.write("\t// " + line) + (out_java_delta, out_c_delta, out_java_struct_delta) = \ + consts.map_function(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.write(out_java_delta) + + if is_free: + assert len(argument_types) == 1 + assert return_type_info.c_ty == "void" + write_c(consts.c_fn_ty_pfx + "void " + consts.c_fn_name_define_pfx(method_name, True) + argument_types[0].c_ty + " " + argument_types[0].ty_info.var_name + ") {\n") + if argument_types[0].ty_info.passed_as_ptr and not argument_types[0].ty_info.rust_obj in opaque_structs: + write_c("\tif ((" + argument_types[0].ty_info.var_name + " & 1) != 0) return;\n") + + for info in argument_types: + if info.arg_conv is not None: + write_c("\t" + info.arg_conv.replace('\n', "\n\t") + "\n") + assert c_call_string is None + write_c("\t" + method_name + "(") + if argument_types[0].arg_conv_name is not None: + write_c(argument_types[0].arg_conv_name) + write_c(");") + for info in argument_types: + if info.arg_conv_cleanup is not None: + write_c("\n\t" + info.arg_conv_cleanup.replace("\n", "\n\t")) + write_c("\n}\n\n") else: - write_c("\t") + write_c(out_c_delta) - if c_call_string is None: - write_c(re_match.group(2) + "(") - else: - write_c(c_call_string) - for idx, info in enumerate(arg_names): - if info.arg_conv_name is not None: - if idx != 0: - write_c(", ") - elif c_call_string is not None: - continue - write_c(info.arg_conv_name) - write_c(")") - if ret_info.ret_conv is not None: - write_c(ret_conv_sfx.replace('\n', '\n\t')) - else: - write_c(";") - for info in arg_names: - if info.arg_conv_cleanup is not None: - write_c("\n\t" + info.arg_conv_cleanup.replace("\n", "\n\t")) - if ret_info.ret_conv is not None: - write_c("\n\treturn " + ret_info.ret_conv_name + ";") - elif ret_info.c_ty != "void": - write_c("\n\treturn ret_val;") - write_c("\n}\n\n") + out_java_struct = None + expected_struct = "LDK" + struct_meth + expected_cstruct = "LDKC" + struct_meth + if (expected_struct in opaque_structs or expected_struct in trait_structs + or expected_struct in complex_enums or expected_cstruct in complex_enums + or expected_cstruct in result_types) and not is_free: + out_java_struct = open(f"{sys.argv[3]}/structs/{struct_meth}{consts.file_ext}", "a") + elif method_name.startswith("C2Tuple_") and method_name.endswith("_read"): + struct_meth = method_name.rsplit("_", 1)[0] + out_java_struct = open(f"{sys.argv[3]}/structs/UtilMethods{consts.file_ext}", "a") if out_java_struct is not None: - out_java_struct.write("\t\t") - if ret_info.java_ty != "void": - out_java_struct.write(ret_info.java_ty + " ret = ") - out_java_struct.write("bindings." + re_match.group(2) + "(") - for idx, info in enumerate(arg_names): - if idx != 0: - out_java_struct.write(", ") - if info.arg_name == "this_ptr" or info.arg_name == "this_arg": - out_java_struct.write("this.ptr") - elif info.arg_name in default_constructor_args: - out_java_struct.write("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.write(", ") - expl_arg_name = info.arg_name + "_" + explode_arg.arg_name - out_java_struct.write(explode_arg.from_hu_conv[0].replace(explode_arg.arg_name, expl_arg_name)) - out_java_struct.write(")") - elif info.from_hu_conv is not None: - out_java_struct.write(info.from_hu_conv[0]) - else: - out_java_struct.write(info.arg_name) - out_java_struct.write(");\n") - if ret_info.to_hu_conv is not None: - out_java_struct.write("\t\t" + ret_info.to_hu_conv.replace("\n", "\n\t\t") + "\n") - - for info in arg_names: - if info.arg_name == "this_ptr" or info.arg_name == "this_arg": - 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 - out_java_struct.write("\t\t" + explode_arg.from_hu_conv[1].replace(explode_arg.arg_name, expl_arg_name).replace("this", ret_info.to_hu_conv_name) + ";\n") - elif info.from_hu_conv is not None and info.from_hu_conv[1] != "": - if ret_info.rust_obj == "LDK" + struct_meth and ret_info.to_hu_conv_name is not None: - out_java_struct.write("\t\t" + info.from_hu_conv[1].replace("this", ret_info.to_hu_conv_name) + ";\n") - else: - out_java_struct.write("\t\t" + info.from_hu_conv[1] + ";\n") - - if ret_info.to_hu_conv_name is not None: - out_java_struct.write("\t\treturn " + ret_info.to_hu_conv_name + ";\n") - elif ret_info.java_ty != "void" and ret_info.rust_obj != "LDK" + struct_meth: - out_java_struct.write("\t\treturn ret;\n") - out_java_struct.write("\t}\n\n") - out_java_struct.close() + out_java_struct.write(out_java_struct_delta) - def map_unitary_enum(struct_name, field_lines): - with open(sys.argv[3] + "/enums/" + struct_name + ".java", "w") as out_java_enum: - out_java_enum.write("package org.ldk.enums;\n\n") + def map_unitary_enum(struct_name, field_lines, enum_doc_comment): + with open(f"{sys.argv[3]}/enums/{struct_name}{consts.file_ext}", "w") as out_java_enum: unitary_enums.add(struct_name) - write_c("static inline " + struct_name + " " + struct_name + "_from_java(JNIEnv *env, jclass val) {\n") - write_c("\tswitch ((*env)->CallIntMethod(env, val, ordinal_meth)) {\n") - ord_v = 0 for idx, struct_line in enumerate(field_lines): if idx == 0: - out_java_enum.write("public enum " + struct_name + " {\n") + assert(struct_line == "typedef enum %s {" % struct_name) elif idx == len(field_lines) - 3: assert(struct_line.endswith("_Sentinel,")) elif idx == len(field_lines) - 2: - out_java_enum.write("\t; static native void init();\n") - out_java_enum.write("\tstatic { init(); }\n") - out_java_enum.write("}") - out_java.write("\tstatic { " + struct_name + ".values(); /* Force enum statics to run */ }\n") + assert(struct_line == "} %s;" % struct_name) elif idx == len(field_lines) - 1: assert(struct_line == "") - else: - out_java_enum.write(struct_line + "\n") - write_c("\t\tcase %d: return %s;\n" % (ord_v, struct_line.strip().strip(","))) - ord_v = ord_v + 1 - write_c("\t}\n") - write_c("\tabort();\n") - write_c("}\n") + (c_out, native_file_out, native_out) = consts.native_c_unitary_enum_map(struct_name, [x.strip().strip(",") for x in field_lines[1:-3]], enum_doc_comment) + write_c(c_out) + out_java_enum.write(native_file_out) + out_java.write(native_out) - ord_v = 0 - write_c("static jclass " + struct_name + "_class = NULL;\n") - for idx, struct_line in enumerate(field_lines): - if idx > 0 and idx < len(field_lines) - 3: - variant = struct_line.strip().strip(",") - write_c("static jfieldID " + struct_name + "_" + variant + " = NULL;\n") - write_c("JNIEXPORT void JNICALL Java_org_ldk_enums_" + struct_name.replace("_", "_1") + "_init (JNIEnv * env, jclass clz) {\n") - write_c("\t" + struct_name + "_class = (*env)->NewGlobalRef(env, clz);\n") - write_c("\tCHECK(" + struct_name + "_class != NULL);\n") - for idx, struct_line in enumerate(field_lines): - if idx > 0 and idx < len(field_lines) - 3: - variant = struct_line.strip().strip(",") - write_c("\t" + struct_name + "_" + variant + " = (*env)->GetStaticFieldID(env, " + struct_name + "_class, \"" + variant + "\", \"Lorg/ldk/enums/" + struct_name + ";\");\n") - write_c("\tCHECK(" + struct_name + "_" + variant + " != NULL);\n") - write_c("}\n") - write_c("static inline jclass " + struct_name + "_to_java(JNIEnv *env, " + struct_name + " val) {\n") - write_c("\tswitch (val) {\n") - for idx, struct_line in enumerate(field_lines): - if idx > 0 and idx < len(field_lines) - 3: - variant = struct_line.strip().strip(",") - write_c("\t\tcase " + variant + ":\n") - write_c("\t\t\treturn (*env)->GetStaticObjectField(env, " + struct_name + "_class, " + struct_name + "_" + variant + ");\n") - ord_v = ord_v + 1 - write_c("\t\tdefault: abort();\n") - write_c("\t}\n") - write_c("}\n\n") - - def map_complex_enum(struct_name, union_enum_items): - java_hu_type = struct_name.replace("LDK", "") + def map_complex_enum(struct_name, union_enum_items, inline_enum_variants, enum_doc_comment): + java_hu_type = struct_name.replace("LDK", "").replace("COption", "Option") complex_enums.add(struct_name) - with open(sys.argv[3] + "/structs/" + java_hu_type + ".java", "w") as out_java_enum: - out_java_enum.write(hu_struct_file_prefix) - out_java_enum.write("public class " + java_hu_type + " extends CommonBase {\n") - out_java_enum.write("\tprivate " + java_hu_type + "(Object _dummy, long ptr) { super(ptr); }\n") - out_java_enum.write("\t@Override @SuppressWarnings(\"deprecation\")\n") - out_java_enum.write("\tprotected void finalize() throws Throwable {\n") - out_java_enum.write("\t\tsuper.finalize();\n") - out_java_enum.write("\t\tif (ptr != 0) { bindings." + java_hu_type + "_free(ptr); }\n") - out_java_enum.write("\t}\n") - out_java_enum.write("\tstatic " + java_hu_type + " constr_from_ptr(long ptr) {\n") - out_java_enum.write("\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: - out_java.write("\tpublic static class " + struct_name + " {\n") - out_java.write("\t\tprivate " + struct_name + "() {}\n") - elif idx == len(tag_field_lines) - 3: - assert(struct_line.endswith("_Sentinel,")) - elif idx == len(tag_field_lines) - 2: - out_java.write("\t\tstatic native void init();\n") - out_java.write("\t}\n") - elif idx == len(tag_field_lines) - 1: - assert(struct_line == "") - else: - var_name = struct_line.strip(' ,')[len(struct_name) + 1:] - out_java.write("\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.write("\t\tif (raw_val.getClass() == bindings." + struct_name + "." + var_name + ".class) {\n") - out_java_enum.write("\t\t\treturn new " + var_name + "(ptr, (bindings." + struct_name + "." + var_name + ")raw_val);\n") - write_c("static jclass " + struct_name + "_" + var_name + "_class = NULL;\n") - write_c("static jmethodID " + struct_name + "_" + var_name + "_meth = NULL;\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.write("\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.write("\t\t\t" + var_name + "(" + init_meth_params + ") { ") - out_java.write(init_meth_body) - out_java.write("}\n") - out_java.write("\t\t}\n") - out_java_enum.write("\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 - out_java_enum.write("\t\tassert false; return null; // Unreachable without extending the (internal) bindings interface\n\t}\n\n") - out_java_enum.write(java_hu_subclasses) - out_java.write("\tstatic { " + struct_name + ".init(); }\n") - out_java.write("\tpublic static native " + struct_name + " " + struct_name + "_ref_from_ptr(long ptr);\n"); - - write_c("JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_00024" + struct_name.replace("_", "_1") + "_init (JNIEnv * env, jclass _a) {\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:] - write_c("\t" + struct_name + "_" + var_name + "_class =\n") - write_c("\t\t(*env)->NewGlobalRef(env, (*env)->FindClass(env, \"Lorg/ldk/impl/bindings$" + struct_name + "$" + var_name + ";\"));\n") - write_c("\tCHECK(" + struct_name + "_" + var_name + "_class != NULL);\n") - write_c("\t" + struct_name + "_" + var_name + "_meth = (*env)->GetMethodID(env, " + struct_name + "_" + var_name + "_class, \"\", \"(" + init_meth_jty_strs[var_name] + ")V\");\n") - write_c("\tCHECK(" + struct_name + "_" + var_name + "_meth != NULL);\n") - write_c("}\n") - write_c("JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_" + struct_name.replace("_", "_1") + "_1ref_1from_1ptr (JNIEnv * _env, jclass _c, jlong ptr) {\n") - write_c("\t" + struct_name + " *obj = (" + struct_name + "*)ptr;\n") - write_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:] - write_c("\t\tcase " + struct_name + "_" + var_name + ": {\n") - c_params_text = "" - 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: - write_c("\t\t\t" + field_map.ret_conv[0].replace("\n", "\n\t\t\t")) - write_c("obj->" + camel_to_snake(var_name) + "." + field_map.arg_name) - write_c(field_map.ret_conv[1].replace("\n", "\n\t\t\t") + "\n") - c_params_text = c_params_text + ", " + field_map.ret_conv_name - else: - c_params_text = c_params_text + ", obj->" + camel_to_snake(var_name) + "." + field_map.arg_name - write_c("\t\t\treturn (*_env)->NewObject(_env, " + struct_name + "_" + var_name + "_class, " + struct_name + "_" + var_name + "_meth" + c_params_text + ");\n") - write_c("\t\t}\n") - write_c("\t\tdefault: abort();\n") - write_c("\t}\n}\n") - out_java_enum.write("}\n") - - def map_trait(struct_name, field_var_lines, trait_fn_lines): - with open(sys.argv[3] + "/structs/" + struct_name.replace("LDK","") + ".java", "w") as out_java_trait: - write_c("typedef struct " + struct_name + "_JCalls {\n") - write_c("\tatomic_size_t refcnt;\n") - write_c("\tJavaVM *vm;\n") - write_c("\tjweak o;\n") - field_var_convs = [] - for var_line in field_var_lines: - if var_line.group(1) in trait_structs: - write_c("\t" + var_line.group(1) + "_JCalls* " + var_line.group(2) + ";\n") - field_var_convs.append(None) - else: - field_var_convs.append(map_type(var_line.group(1) + " " + var_line.group(2), False, None, False, False)) - for fn_line in trait_fn_lines: - if fn_line.group(2) != "free" and fn_line.group(2) != "clone": - write_c("\tjmethodID " + fn_line.group(2) + "_meth;\n") - write_c("} " + struct_name + "_JCalls;\n") - - out_java_trait.write(hu_struct_file_prefix) - out_java_trait.write("public class " + struct_name.replace("LDK","") + " extends CommonBase {\n") - out_java_trait.write("\tfinal bindings." + struct_name + " bindings_instance;\n") - out_java_trait.write("\t" + struct_name.replace("LDK", "") + "(Object _dummy, long ptr) { super(ptr); bindings_instance = null; }\n") - out_java_trait.write("\tprivate " + struct_name.replace("LDK", "") + "(bindings." + struct_name + " arg") - for idx, var_line in enumerate(field_var_lines): - if var_line.group(1) in trait_structs: - out_java_trait.write(", bindings." + var_line.group(1) + " " + var_line.group(2)) - else: - out_java_trait.write(", " + field_var_convs[idx].java_hu_ty + " " + var_line.group(2)) - out_java_trait.write(") {\n") - out_java_trait.write("\t\tsuper(bindings." + struct_name + "_new(arg") - for idx, var_line in enumerate(field_var_lines): - if var_line.group(1) in trait_structs: - out_java_trait.write(", " + var_line.group(2)) - elif field_var_convs[idx].from_hu_conv is not None: - out_java_trait.write(", " + field_var_convs[idx].from_hu_conv[0]) - else: - out_java_trait.write(", " + var_line.group(2)) - out_java_trait.write("));\n") - out_java_trait.write("\t\tthis.ptrs_to.add(arg);\n") - for idx, var_line in enumerate(field_var_lines): - if var_line.group(1) in trait_structs: - out_java_trait.write("\t\tthis.ptrs_to.add(" + var_line.group(2) + ");\n") - elif field_var_convs[idx].from_hu_conv is not None and field_var_convs[idx].from_hu_conv[1] != "": - out_java_trait.write("\t\t" + field_var_convs[idx].from_hu_conv[1] + ";\n") - out_java_trait.write("\t\tthis.bindings_instance = arg;\n") - out_java_trait.write("\t}\n") - out_java_trait.write("\t@Override @SuppressWarnings(\"deprecation\")\n") - out_java_trait.write("\tprotected void finalize() throws Throwable {\n") - out_java_trait.write("\t\tif (ptr != 0) { bindings." + struct_name.replace("LDK","") + "_free(ptr); } super.finalize();\n") - out_java_trait.write("\t}\n\n") - - java_trait_constr = "\tpublic " + struct_name.replace("LDK", "") + "(" + struct_name.replace("LDK", "") + "Interface arg" - for idx, var_line in enumerate(field_var_lines): - if var_line.group(1) in trait_structs: - # 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_line.group(1).replace("LDK", "") + "." + var_line.group(1).replace("LDK", "") + "Interface " + var_line.group(2) - else: - java_trait_constr = java_trait_constr + ", " + field_var_convs[idx].java_hu_ty + " " + var_line.group(2) - java_trait_constr = java_trait_constr + ") {\n\t\tthis(new bindings." + struct_name + "() {\n" - out_java_trait.write("\tpublic static interface " + struct_name.replace("LDK", "") + "Interface {\n") - out_java.write("\tpublic interface " + struct_name + " {\n") - java_meths = [] - for fn_line in trait_fn_lines: - java_meth_descr = "(" - if fn_line.group(2) != "free" and fn_line.group(2) != "clone": - ret_ty_info = map_type(fn_line.group(1), True, None, False, False) - - out_java.write("\t\t " + ret_ty_info.java_ty + " " + fn_line.group(2) + "(") - java_trait_constr = java_trait_constr + "\t\t\t@Override public " + ret_ty_info.java_ty + " " + fn_line.group(2) + "(" - out_java_trait.write("\t\t" + ret_ty_info.java_hu_ty + " " + fn_line.group(2) + "(") - is_const = fn_line.group(3) is not None - write_c(fn_line.group(1) + fn_line.group(2) + "_jcall(") - if is_const: - write_c("const void* this_arg") - else: - write_c("void* this_arg") - - arg_names = [] - for idx, arg in enumerate(fn_line.group(4).split(',')): - if arg == "": - continue - if idx >= 2: - out_java.write(", ") - java_trait_constr = java_trait_constr + ", " - out_java_trait.write(", ") - write_c(", ") - arg_conv_info = map_type(arg, True, None, False, False) - write_c(arg.strip()) - out_java.write(arg_conv_info.java_ty + " " + arg_conv_info.arg_name) - out_java_trait.write(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 - arg_names.append(arg_conv_info) - java_meth_descr = java_meth_descr + arg_conv_info.java_fn_ty_arg - java_meth_descr = java_meth_descr + ")" + ret_ty_info.java_fn_ty_arg - java_meths.append(java_meth_descr) - - out_java.write(");\n") - out_java_trait.write(");\n") - java_trait_constr = java_trait_constr + ") {\n" - write_c(") {\n") - write_c("\t" + struct_name + "_JCalls *j_calls = (" + struct_name + "_JCalls*) this_arg;\n") - write_c("\tJNIEnv *_env;\n") - write_c("\tDO_ASSERT((*j_calls->vm)->GetEnv(j_calls->vm, (void**)&_env, JNI_VERSION_1_8) == JNI_OK);\n") - - for arg_info in arg_names: - if arg_info.ret_conv is not None: - write_c("\t" + arg_info.ret_conv[0].replace('\n', '\n\t')); - write_c(arg_info.arg_name) - write_c(arg_info.ret_conv[1].replace('\n', '\n\t') + "\n") - 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" - - write_c("\tjobject obj = (*_env)->NewLocalRef(_env, j_calls->o);\n\tCHECK(obj != NULL);\n") - if ret_ty_info.c_ty.endswith("Array"): - write_c("\t" + ret_ty_info.c_ty + " arg = (*_env)->CallObjectMethod(_env, obj, j_calls->" + fn_line.group(2) + "_meth") - elif not ret_ty_info.passed_as_ptr: - write_c("\treturn (*_env)->Call" + ret_ty_info.java_ty.title() + "Method(_env, obj, j_calls->" + fn_line.group(2) + "_meth") - else: - write_c("\t" + fn_line.group(1).strip() + "* ret = (" + fn_line.group(1).strip() + "*)(*_env)->CallLongMethod(_env, obj, j_calls->" + fn_line.group(2) + "_meth"); - if ret_ty_info.java_ty != "void": - java_trait_constr = java_trait_constr + "\t\t\t\t" + ret_ty_info.java_hu_ty + " ret = arg." + fn_line.group(2) + "(" - else: - java_trait_constr = java_trait_constr + "\t\t\t\targ." + fn_line.group(2) + "(" - for idx, arg_info in enumerate(arg_names): - if arg_info.ret_conv is not None: - write_c(", " + arg_info.ret_conv_name) - else: - write_c(", " + arg_info.arg_name) - 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 - write_c(");\n"); - if ret_ty_info.arg_conv is not None: - write_c("\t" + ret_ty_info.arg_conv.replace("\n", "\n\t") + "\n\treturn " + ret_ty_info.arg_conv_name + ";\n") - - write_c("}\n") - java_trait_constr = java_trait_constr + ");\n" - if ret_ty_info.java_ty != "void": - if ret_ty_info.from_hu_conv is not None: - java_trait_constr = java_trait_constr + "\t\t\t\t" + ret_ty_info.java_ty + " result = " + ret_ty_info.from_hu_conv[0] + ";\n" - if ret_ty_info.from_hu_conv[1] != "": - java_trait_constr = java_trait_constr + "\t\t\t\t//TODO: May need to call: " + ret_ty_info.from_hu_conv[1] + ";\n" - if is_common_base_ext(ret_ty_info.rust_obj): - 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" - java_trait_constr = java_trait_constr + "\t\t\t}\n" - elif fn_line.group(2) == "free": - write_c("static void " + struct_name + "_JCalls_free(void* this_arg) {\n") - write_c("\t" + struct_name + "_JCalls *j_calls = (" + struct_name + "_JCalls*) this_arg;\n") - write_c("\tif (atomic_fetch_sub_explicit(&j_calls->refcnt, 1, memory_order_acquire) == 1) {\n") - write_c("\t\tJNIEnv *env;\n") - write_c("\t\tDO_ASSERT((*j_calls->vm)->GetEnv(j_calls->vm, (void**)&env, JNI_VERSION_1_8) == JNI_OK);\n") - write_c("\t\t(*env)->DeleteWeakGlobalRef(env, j_calls->o);\n") - write_c("\t\tFREE(j_calls);\n") - write_c("\t}\n}\n") - java_trait_constr = java_trait_constr + "\t\t}" - for var_line in field_var_lines: - if var_line.group(1) in trait_structs: - java_trait_constr = java_trait_constr + ", new " + var_line.group(2) + "(" + var_line.group(2) + ").bindings_instance" + enum_variants = [] + tag_field_lines = union_enum_items["field_lines"] + 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 == "") + else: + variant_name = struct_line.strip(' ,')[len(struct_name) + 1:] + fields = [] + if "LDK" + variant_name in union_enum_items: + enum_var_lines = union_enum_items["LDK" + variant_name] + for idx, field in enumerate(enum_var_lines): + if idx != 0 and idx < len(enum_var_lines) - 2: + fields.append(type_mapping_generator.map_type(field.strip(' ;'), False, None, False, True)) + enum_variants.append(ComplexEnumVariantInfo(variant_name, fields, False)) + elif camel_to_snake(variant_name) in inline_enum_variants: + fields.append(type_mapping_generator.map_type(inline_enum_variants[camel_to_snake(variant_name)] + " " + camel_to_snake(variant_name), False, None, False, True)) + enum_variants.append(ComplexEnumVariantInfo(variant_name, fields, True)) else: - java_trait_constr = java_trait_constr + ", " + var_line.group(2) - out_java_trait.write("\t}\n") - out_java_trait.write(java_trait_constr + ");\n\t}\n") - - # Write out a clone function whether we need one or not, as we use them in moving to rust - write_c("static void* " + struct_name + "_JCalls_clone(const void* this_arg) {\n") - write_c("\t" + struct_name + "_JCalls *j_calls = (" + struct_name + "_JCalls*) this_arg;\n") - write_c("\tatomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);\n") - for var_line in field_var_lines: - if var_line.group(1) in trait_structs: - write_c("\tatomic_fetch_add_explicit(&j_calls->" + var_line.group(2) + "->refcnt, 1, memory_order_release);\n") - write_c("\treturn (void*) this_arg;\n") - write_c("}\n") + enum_variants.append(ComplexEnumVariantInfo(variant_name, fields, True)) - out_java.write("\t}\n") + with open(f"{sys.argv[3]}/structs/{java_hu_type}{consts.file_ext}", "w") as out_java_enum: + (out_java_addendum, out_java_enum_addendum, out_c_addendum) = consts.map_complex_enum(struct_name, enum_variants, camel_to_snake, enum_doc_comment) - out_java.write("\tpublic static native long " + struct_name + "_new(" + struct_name + " impl") - write_c("static inline " + struct_name + " " + struct_name + "_init (JNIEnv * env, jclass _a, jobject o") - for idx, var_line in enumerate(field_var_lines): - if var_line.group(1) in trait_structs: - out_java.write(", " + var_line.group(1) + " " + var_line.group(2)) - write_c(", jobject " + var_line.group(2)) - else: - out_java.write(", " + field_var_convs[idx].java_ty + " " + var_line.group(2)) - write_c(", " + field_var_convs[idx].c_ty + " " + var_line.group(2)) - out_java.write(");\n") - write_c(") {\n") - - write_c("\tjclass c = (*env)->GetObjectClass(env, o);\n") - write_c("\tCHECK(c != NULL);\n") - write_c("\t" + struct_name + "_JCalls *calls = MALLOC(sizeof(" + struct_name + "_JCalls), \"" + struct_name + "_JCalls\");\n") - write_c("\tatomic_init(&calls->refcnt, 1);\n") - write_c("\tDO_ASSERT((*env)->GetJavaVM(env, &calls->vm) == 0);\n") - write_c("\tcalls->o = (*env)->NewWeakGlobalRef(env, o);\n") - for (fn_line, java_meth_descr) in zip(trait_fn_lines, java_meths): - if fn_line.group(2) != "free" and fn_line.group(2) != "clone": - write_c("\tcalls->" + fn_line.group(2) + "_meth = (*env)->GetMethodID(env, c, \"" + fn_line.group(2) + "\", \"" + java_meth_descr + "\");\n") - write_c("\tCHECK(calls->" + fn_line.group(2) + "_meth != NULL);\n") - for idx, var_line in enumerate(field_var_lines): - if field_var_convs[idx] is not None and field_var_convs[idx].arg_conv is not None: - write_c("\n\t" + field_var_convs[idx].arg_conv.replace("\n", "\n\t") +"\n") - write_c("\n\t" + struct_name + " ret = {\n") - write_c("\t\t.this_arg = (void*) calls,\n") - for fn_line in trait_fn_lines: - if fn_line.group(2) != "free" and fn_line.group(2) != "clone": - write_c("\t\t." + fn_line.group(2) + " = " + fn_line.group(2) + "_jcall,\n") - elif fn_line.group(2) == "free": - write_c("\t\t.free = " + struct_name + "_JCalls_free,\n") - else: - clone_fns.add(struct_name + "_clone") - write_c("\t\t.clone = " + struct_name + "_JCalls_clone,\n") - for idx, var_line in enumerate(field_var_lines): - if var_line.group(1) in trait_structs: - write_c("\t\t." + var_line.group(2) + " = " + var_line.group(1) + "_init(env, _a, " + var_line.group(2) + "),\n") - elif field_var_convs[idx].arg_conv_name is not None: - write_c("\t\t." + var_line.group(2) + " = " + field_var_convs[idx].arg_conv_name + ",\n") - write_c("\t\t.set_" + var_line.group(2) + " = NULL,\n") - else: - write_c("\t\t." + var_line.group(2) + " = " + var_line.group(2) + ",\n") - write_c("\t\t.set_" + var_line.group(2) + " = NULL,\n") - write_c("\t};\n") - for var_line in field_var_lines: - if var_line.group(1) in trait_structs: - write_c("\tcalls->" + var_line.group(2) + " = ret." + var_line.group(2) + ".this_arg;\n") - write_c("\treturn ret;\n") - write_c("}\n") + out_java_enum.write(out_java_enum_addendum) + out_java.write(out_java_addendum) + write_c(out_c_addendum) - write_c("JNIEXPORT long JNICALL Java_org_ldk_impl_bindings_" + struct_name.replace("_", "_1") + "_1new (JNIEnv * env, jclass _a, jobject o") - for idx, var_line in enumerate(field_var_lines): + def map_trait(struct_name, field_var_lines, trait_fn_lines, trait_doc_comment): + with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDK', '')}{consts.file_ext}", "w") as out_java_trait: + field_var_convs = [] + for var_line in field_var_lines: if var_line.group(1) in trait_structs: - write_c(", jobject " + var_line.group(2)) + field_var_convs.append((var_line.group(1), var_line.group(2))) else: - write_c(", " + field_var_convs[idx].c_ty + " " + var_line.group(2)) - write_c(") {\n") - write_c("\t" + struct_name + " *res_ptr = MALLOC(sizeof(" + struct_name + "), \"" + struct_name + "\");\n") - write_c("\t*res_ptr = " + struct_name + "_init(env, _a, o") - for var_line in field_var_lines: - write_c(", " + var_line.group(2)) - write_c(");\n") - write_c("\treturn (long)res_ptr;\n") - write_c("}\n") - - out_java.write("\tpublic static native " + struct_name + " " + struct_name + "_get_obj_from_jcalls(long val);\n") - write_c("JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_" + struct_name.replace("_", "_1") + "_1get_1obj_1from_1jcalls (JNIEnv * env, jclass _a, jlong val) {\n") - write_c("\tjobject ret = (*env)->NewLocalRef(env, ((" + struct_name + "_JCalls*)val)->o);\n") - write_c("\tCHECK(ret != NULL);\n") - write_c("\treturn ret;\n") - write_c("}\n") - - for fn_line in trait_fn_lines: + field_var_convs.append( + type_mapping_generator.map_type(var_line.group(1) + " " + var_line.group(2), False, None, False, False)) + + field_fns = [] + for fn_docs, fn_line in trait_fn_lines: + ret_ty_info = type_mapping_generator.map_type(fn_line.group(2), True, None, False, False) + is_const = fn_line.group(4) is not None + + arg_tys = [] + for idx, arg in enumerate(fn_line.group(5).split(',')): + if arg == "": + continue + arg_conv_info = type_mapping_generator.map_type(arg, True, None, False, False) + arg_tys.append(arg_conv_info) + field_fns.append(TraitMethInfo(fn_line.group(3), is_const, ret_ty_info, arg_tys, fn_docs)) + + (out_java_addendum, out_java_trait_addendum, out_c_addendum) = consts.native_c_map_trait(struct_name, field_var_convs, field_fns, trait_doc_comment) + write_c(out_c_addendum) + out_java_trait.write(out_java_trait_addendum) + out_java.write(out_java_addendum) + + for fn_docs, fn_line in trait_fn_lines: # For now, just disable enabling the _call_log - we don't know how to inverse-map String - is_log = fn_line.group(2) == "log" and struct_name == "LDKLogger" - if fn_line.group(2) != "free" and fn_line.group(2) != "clone" and fn_line.group(2) != "eq" and not is_log: - dummy_line = fn_line.group(1) + struct_name.replace("LDK", "") + "_" + fn_line.group(2) + " " + struct_name + "* this_arg" + fn_line.group(4) + "\n" - map_fn(dummy_line, re.compile("([A-Za-z_0-9]*) *([A-Za-z_0-9]*) *(.*)").match(dummy_line), None, "(this_arg_conv->" + fn_line.group(2) + ")(this_arg_conv->this_arg") + is_log = fn_line.group(3) == "log" and struct_name == "LDKLogger" + if fn_line.group(3) != "free" and fn_line.group(3) != "clone" and fn_line.group(3) != "eq" and not is_log: + dummy_line = fn_line.group(2) + struct_name.replace("LDK", "") + "_" + fn_line.group(3) + " " + struct_name + " *NONNULL_PTR this_arg" + fn_line.group(5) + "\n" + map_fn(dummy_line, re.compile("([A-Za-z_0-9]*) *([A-Za-z_0-9]*) *(.*)").match(dummy_line), None, "(this_arg_conv->" + fn_line.group(3) + ")(this_arg_conv->this_arg", fn_docs) for idx, var_line in enumerate(field_var_lines): if var_line.group(1) not in trait_structs: write_c(var_line.group(1) + " " + struct_name + "_set_get_" + var_line.group(2) + "(" + struct_name + "* this_arg) {\n") @@ -1429,170 +547,175 @@ with open(sys.argv[1]) as in_h, open(sys.argv[2], "w") as out_java: write_c("\t\tthis_arg->set_" + var_line.group(2) + "(this_arg);\n") write_c("\treturn this_arg->" + var_line.group(2) + ";\n") write_c("}\n") - dummy_line = var_line.group(1) + " " + struct_name.replace("LDK", "") + "_get_" + var_line.group(2) + " " + struct_name + "* this_arg" + fn_line.group(4) + "\n" - map_fn(dummy_line, re.compile("([A-Za-z_0-9]*) *([A-Za-z_0-9]*) *(.*)").match(dummy_line), None, struct_name + "_set_get_" + var_line.group(2) + "(this_arg_conv") - - out_java.write("""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(); - -""") - write_c(""" -static jmethodID ordinal_meth = NULL; -static jmethodID slicedef_meth = NULL; -static jclass slicedef_cls = NULL; -JNIEXPORT void Java_org_ldk_impl_bindings_init(JNIEnv * env, jclass _b, jclass enum_class, jclass slicedef_class) { - ordinal_meth = (*env)->GetMethodID(env, enum_class, "ordinal", "()I"); - CHECK(ordinal_meth != NULL); - slicedef_meth = (*env)->GetMethodID(env, slicedef_class, "", "(JJJ)V"); - CHECK(slicedef_meth != NULL); - slicedef_cls = (*env)->NewGlobalRef(env, slicedef_class); - CHECK(slicedef_cls != NULL); -} - -JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_deref_1bool (JNIEnv * env, jclass _a, jlong ptr) { - return *((bool*)ptr); -} -JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_deref_1long (JNIEnv * env, jclass _a, jlong ptr) { - return *((long*)ptr); -} -JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_free_1heap_1ptr (JNIEnv * env, jclass _a, jlong ptr) { - FREE((void*)ptr); -} -JNIEXPORT jbyteArray JNICALL Java_org_ldk_impl_bindings_read_1bytes (JNIEnv * _env, jclass _b, jlong ptr, jlong len) { - jbyteArray ret_arr = (*_env)->NewByteArray(_env, len); - (*_env)->SetByteArrayRegion(_env, ret_arr, 0, len, (unsigned char*)ptr); - return ret_arr; -} -JNIEXPORT jbyteArray JNICALL Java_org_ldk_impl_bindings_get_1u8_1slice_1bytes (JNIEnv * _env, jclass _b, jlong slice_ptr) { - LDKu8slice *slice = (LDKu8slice*)slice_ptr; - jbyteArray ret_arr = (*_env)->NewByteArray(_env, slice->datalen); - (*_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) { - 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; -} -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); -} -JNIEXPORT long 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; -} -JNIEXPORT void JNICALL Java_org_ldk_impl_bindings_txpointer_1free (JNIEnv * env, jclass _b, jlong ptr) { - LDKTransaction *tx = (LDKTransaction*)ptr; - tx->data_is_owned = true; - Transaction_free(*tx); - FREE((void*)ptr); -} -JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_vec_1slice_1len (JNIEnv * env, jclass _a, jlong ptr) { - // Check offsets of a few Vec types are all consistent as we're meant to be generic across types - _Static_assert(offsetof(LDKCVec_u8Z, datalen) == offsetof(LDKCVec_SignatureZ, datalen), "Vec<*> needs to be mapped identically"); - _Static_assert(offsetof(LDKCVec_u8Z, datalen) == offsetof(LDKCVec_MessageSendEventZ, datalen), "Vec<*> needs to be mapped identically"); - _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; -} -JNIEXPORT long 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"); - _Static_assert(sizeof(LDKCVec_u8Z) == sizeof(LDKCVec_EventZ), "Vec<*> needs to be mapped identically"); - _Static_assert(sizeof(LDKCVec_u8Z) == sizeof(LDKCVec_C2Tuple_usizeTransactionZZ), "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; -} - -// We assume that CVec_u8Z and u8slice are the same size and layout (and thus pointers to the two can be mixed) -_Static_assert(sizeof(LDKCVec_u8Z) == sizeof(LDKu8slice), "Vec and [u8] need to have been mapped identically"); -_Static_assert(offsetof(LDKCVec_u8Z, data) == offsetof(LDKu8slice, data), "Vec and [u8] need to have been mapped identically"); -_Static_assert(offsetof(LDKCVec_u8Z, datalen) == offsetof(LDKu8slice, datalen), "Vec and [u8] need to have been mapped identically"); - -""") - - with open(sys.argv[3] + "/structs/CommonBase.java", "a") as out_java_struct: - out_java_struct.write("""package org.ldk.structs; -import java.util.LinkedList; -class CommonBase { - long ptr; - LinkedList ptrs_to = new LinkedList(); - protected CommonBase(long ptr) { this.ptr = ptr; } - public long _test_only_get_ptr() { return this.ptr; } -} -""") - - in_block_comment = False + dummy_line = var_line.group(1) + " " + struct_name.replace("LDK", "") + "_get_" + var_line.group(2) + " " + struct_name + " *NONNULL_PTR this_arg" + fn_line.group(5) + "\n" + map_fn(dummy_line, re.compile("([A-Za-z_0-9]*) *([A-Za-z_0-9]*) *(.*)").match(dummy_line), None, struct_name + "_set_get_" + var_line.group(2) + "(this_arg_conv", fn_docs) + + def map_result(struct_name, res_ty, err_ty): + result_types.add(struct_name) + human_ty = struct_name.replace("LDKCResult", "Result") + with open(f"{sys.argv[3]}/structs/{human_ty}{consts.file_ext}", "w") as out_java_struct: + out_java_struct.write(consts.hu_struct_file_prefix) + out_java_struct.write("public class " + human_ty + " extends CommonBase {\n") + out_java_struct.write("\tprivate " + human_ty + "(Object _dummy, long ptr) { super(ptr); }\n") + out_java_struct.write("\tprotected void finalize() throws Throwable {\n") + out_java_struct.write("\t\tif (ptr != 0) { bindings." + struct_name.replace("LDK","") + "_free(ptr); } super.finalize();\n") + out_java_struct.write("\t}\n\n") + out_java_struct.write("\tstatic " + human_ty + " constr_from_ptr(long ptr) {\n") + out_java_struct.write("\t\tif (bindings." + struct_name + "_result_ok(ptr)) {\n") + out_java_struct.write("\t\t\treturn new " + human_ty + "_OK(null, ptr);\n") + out_java_struct.write("\t\t} else {\n") + out_java_struct.write("\t\t\treturn new " + human_ty + "_Err(null, ptr);\n") + out_java_struct.write("\t\t}\n") + out_java_struct.write("\t}\n") + + res_map = type_mapping_generator.map_type(res_ty + " res", True, None, False, True) + err_map = type_mapping_generator.map_type(err_ty + " err", True, None, False, True) + can_clone = True + if not res_map.is_native_primitive and (res_map.rust_obj.replace("LDK", "") + "_clone" not in clone_fns): + can_clone = False + if not err_map.is_native_primitive and (err_map.rust_obj.replace("LDK", "") + "_clone" not in clone_fns): + can_clone = False + + out_java.write("\tpublic static native boolean " + struct_name + "_result_ok(long arg);\n") + write_c(consts.c_fn_ty_pfx + "jboolean " + consts.c_fn_name_define_pfx(struct_name + "_result_ok", True) + consts.ptr_c_ty + " arg) {\n") + write_c("\treturn ((" + struct_name + "*)arg)->result_ok;\n") + write_c("}\n") + + out_java.write("\tpublic static native " + res_map.java_ty + " " + struct_name + "_get_ok(long arg);\n") + write_c(consts.c_fn_ty_pfx + res_map.c_ty + " " + consts.c_fn_name_define_pfx(struct_name + "_get_ok", True) + consts.ptr_c_ty + " arg) {\n") + write_c("\t" + struct_name + " *val = (" + struct_name + "*)(arg & ~1);\n") + write_c("\tCHECK(val->result_ok);\n\t") + out_java_struct.write("\tpublic static final class " + human_ty + "_OK extends " + human_ty + " {\n") + if res_map.ret_conv is not None: + write_c(res_map.ret_conv[0].replace("\n", "\n\t") + "(*val->contents.result)") + write_c(res_map.ret_conv[1].replace("\n", "\n\t") + "\n\treturn " + res_map.ret_conv_name) + else: + write_c("return *val->contents.result") + write_c(";\n}\n") + + if res_map.java_hu_ty != "void": + out_java_struct.write("\t\tpublic final " + res_map.java_hu_ty + " res;\n") + out_java_struct.write("\t\tprivate " + human_ty + "_OK(Object _dummy, long ptr) {\n") + out_java_struct.write("\t\t\tsuper(_dummy, ptr);\n") + if res_map.java_hu_ty == "void": + pass + elif res_map.to_hu_conv is not None: + out_java_struct.write("\t\t\t" + res_map.java_ty + " res = bindings." + struct_name + "_get_ok(ptr);\n") + out_java_struct.write("\t\t\t" + res_map.to_hu_conv.replace("\n", "\n\t\t\t")) + out_java_struct.write("\n\t\t\tthis.res = " + res_map.to_hu_conv_name + ";\n") + else: + out_java_struct.write("\t\t\tthis.res = bindings." + struct_name + "_get_ok(ptr);\n") + out_java_struct.write("\t\t}\n") + out_java_struct.write("\t}\n\n") + + out_java.write("\tpublic static native " + err_map.java_ty + " " + struct_name + "_get_err(long arg);\n") + write_c(consts.c_fn_ty_pfx + err_map.c_ty + " " + consts.c_fn_name_define_pfx(struct_name + "_get_err", True) + consts.ptr_c_ty + " arg) {\n") + write_c("\t" + struct_name + " *val = (" + struct_name + "*)(arg & ~1);\n") + write_c("\tCHECK(!val->result_ok);\n\t") + out_java_struct.write("\tpublic static final class " + human_ty + "_Err extends " + human_ty + " {\n") + if err_map.ret_conv is not None: + write_c(err_map.ret_conv[0].replace("\n", "\n\t") + "(*val->contents.err)") + write_c(err_map.ret_conv[1].replace("\n", "\n\t") + "\n\treturn " + err_map.ret_conv_name) + else: + write_c("return *val->contents.err") + write_c(";\n}\n") + + if err_map.java_hu_ty != "void": + out_java_struct.write("\t\tpublic final " + err_map.java_hu_ty + " err;\n") + out_java_struct.write("\t\tprivate " + human_ty + "_Err(Object _dummy, long ptr) {\n") + out_java_struct.write("\t\t\tsuper(_dummy, ptr);\n") + if err_map.java_hu_ty == "void": + pass + elif err_map.to_hu_conv is not None: + out_java_struct.write("\t\t\t" + err_map.java_ty + " err = bindings." + struct_name + "_get_err(ptr);\n") + out_java_struct.write("\t\t\t" + err_map.to_hu_conv.replace("\n", "\n\t\t\t")) + out_java_struct.write("\n\t\t\tthis.err = " + err_map.to_hu_conv_name + ";\n") + else: + out_java_struct.write("\t\t\tthis.err = bindings." + struct_name + "_get_err(ptr);\n") + out_java_struct.write("\t\t}\n") + + out_java_struct.write("\t}\n\n") + + def map_tuple(struct_name, field_lines): + out_java.write("\tpublic static native long " + struct_name + "_new(") + write_c(consts.c_fn_ty_pfx + consts.ptr_c_ty + " " + consts.c_fn_name_define_pfx(struct_name + "_new", len(field_lines) > 3)) + ty_list = [] + for idx, line in enumerate(field_lines): + if idx != 0 and idx < len(field_lines) - 2: + ty_info = java_c_types(line.strip(';'), None) + if idx != 1: + out_java.write(", ") + write_c(", ") + e = chr(ord('a') + idx - 1) + out_java.write(ty_info.java_ty + " " + e) + write_c(ty_info.c_ty + " " + e) + ty_list.append(ty_info) + tuple_types[struct_name] = (ty_list, struct_name) + out_java.write(");\n") + write_c(") {\n") + write_c("\t" + struct_name + "* ret = MALLOC(sizeof(" + struct_name + "), \"" + struct_name + "\");\n") + for idx, line in enumerate(field_lines): + if idx != 0 and idx < len(field_lines) - 2: + ty_info = type_mapping_generator.map_type(line.strip(';'), False, None, False, False) + e = chr(ord('a') + idx - 1) + if ty_info.arg_conv is not None: + write_c("\t" + ty_info.arg_conv.replace("\n", "\n\t")) + write_c("\n\tret->" + e + " = " + ty_info.arg_conv_name + ";\n") + else: + write_c("\tret->" + e + " = " + e + ";\n") + if ty_info.arg_conv_cleanup is not None: + write_c("\t//TODO: Really need to call " + ty_info.arg_conv_cleanup + " here\n") + write_c("\treturn (long)ret;\n") + write_c("}\n") + + for idx, ty_info in enumerate(ty_list): + e = chr(ord('a') + idx) + out_java.write("\tpublic static native " + ty_info.java_ty + " " + struct_name + "_get_" + e + "(long ptr);\n") + write_c(consts.c_fn_ty_pfx + ty_info.c_ty + " " + consts.c_fn_name_define_pfx(struct_name + "_get_" + e, True) + consts.ptr_c_ty + " ptr) {\n") + write_c("\t" + struct_name + " *tuple = (" + struct_name + "*)(ptr & ~1);\n") + conv_info = type_mapping_generator.map_type_with_info(ty_info, False, None, False, True) + if conv_info.ret_conv is not None: + write_c("\t" + conv_info.ret_conv[0].replace("\n", "\n\t") + "tuple->" + e + conv_info.ret_conv[1].replace("\n", "\n\t") + "\n") + write_c("\treturn " + conv_info.ret_conv_name + ";\n") + else: + write_c("\treturn tuple->" + e + ";\n") + write_c("}\n") + + out_java.write(consts.bindings_header) + + with open(f"{sys.argv[3]}/structs/CommonBase{consts.file_ext}", "w") as out_java_struct: + out_java_struct.write(consts.common_base) + + block_comment = None + last_block_comment = None cur_block_obj = None const_val_regex = re.compile("^extern const ([A-Za-z_0-9]*) ([A-Za-z_0-9]*);$") - line_indicates_result_regex = re.compile("^ (LDKCResultPtr_[A-Za-z_0-9]*) contents;$") - line_indicates_vec_regex = re.compile("^ ([A-Za-z_0-9]*) \*data;$") + line_indicates_result_regex = re.compile("^ union (LDKCResult_[A-Za-z_0-9]*Ptr) contents;$") + line_indicates_vec_regex = re.compile("^ (struct |enum |union )?([A-Za-z_0-9]*) \*data;$") line_indicates_opaque_regex = re.compile("^ bool is_owned;$") - line_indicates_trait_regex = re.compile("^ ([A-Za-z_0-9]* \*?)\(\*([A-Za-z_0-9]*)\)\((const )?void \*this_arg(.*)\);$") + line_indicates_trait_regex = re.compile("^ (struct |enum |union )?([A-Za-z_0-9]* \*?)\(\*([A-Za-z_0-9]*)\)\((const )?void \*this_arg(.*)\);$") assert(line_indicates_trait_regex.match(" uintptr_t (*send_data)(void *this_arg, LDKu8slice data, bool resume_read);")) - assert(line_indicates_trait_regex.match(" LDKCVec_MessageSendEventZ (*get_and_clear_pending_msg_events)(const void *this_arg);")) + assert(line_indicates_trait_regex.match(" struct LDKCVec_MessageSendEventZ (*get_and_clear_pending_msg_events)(const void *this_arg);")) assert(line_indicates_trait_regex.match(" void *(*clone)(const void *this_arg);")) - line_field_var_regex = re.compile("^ ([A-Za-z_0-9]*) ([A-Za-z_0-9]*);$") - assert(line_field_var_regex.match(" LDKMessageSendEventsProvider MessageSendEventsProvider;")) - assert(line_field_var_regex.match(" LDKChannelPublicKeys pubkeys;")) + assert(line_indicates_trait_regex.match(" struct LDKCVec_u8Z (*write)(const void *this_arg);")) + line_field_var_regex = re.compile("^ struct ([A-Za-z_0-9]*) ([A-Za-z_0-9]*);$") + assert(line_field_var_regex.match(" struct LDKMessageSendEventsProvider MessageSendEventsProvider;")) + assert(line_field_var_regex.match(" struct LDKChannelPublicKeys pubkeys;")) struct_name_regex = re.compile("^typedef (struct|enum|union) (MUST_USE_STRUCT )?(LDK[A-Za-z_0-9]*) {$") - assert(struct_name_regex.match("typedef struct LDKCVecTempl_u8 {")) + assert(struct_name_regex.match("typedef struct LDKCVec_u8Z {")) assert(struct_name_regex.match("typedef enum LDKNetwork {")) - struct_alias_regex = re.compile("^typedef (LDK[A-Za-z_0-9]*) (LDK[A-Za-z_0-9]*);$") - assert(struct_alias_regex.match("typedef LDKCResultTempl_bool__PeerHandleError LDKCResult_boolPeerHandleErrorZ;")) - result_templ_structs = set() union_enum_items = {} result_ptr_struct_items = {} for line in in_h: - if in_block_comment: + if block_comment is not None: if line.endswith("*/\n"): - in_block_comment = False + last_block_comment = block_comment.strip("\n") + block_comment = None + else: + block_comment = block_comment + line.strip(" /*") elif cur_block_obj is not None: cur_block_obj = cur_block_obj + line if line.startswith("} "): @@ -1611,10 +734,13 @@ class CommonBase { for idx, struct_line in enumerate(obj_lines): if struct_line.strip().startswith("/*"): - in_block_comment = True - if in_block_comment: + block_comment = struct_line.strip(" /*") + if block_comment is not None: if struct_line.endswith("*/"): - in_block_comment = False + last_struct_block_comment = block_comment.strip("\n") + block_comment = None + else: + block_comment = block_comment + "\n" + struct_line.strip(" /*") else: struct_name_match = struct_name_regex.match(struct_line) if struct_name_match is not None: @@ -1632,13 +758,13 @@ class CommonBase { if result_match is not None: result_contents = result_match.group(1) vec_ty_match = line_indicates_vec_regex.match(struct_line) - if vec_ty_match is not None and struct_name.startswith("LDKCVecTempl_"): - vec_ty = vec_ty_match.group(1) - elif struct_name.startswith("LDKC2TupleTempl_") or struct_name.startswith("LDKC3TupleTempl_"): + if vec_ty_match is not None and struct_name.startswith("LDKCVec_"): + vec_ty = vec_ty_match.group(2) + elif struct_name.startswith("LDKC2Tuple_") or struct_name.startswith("LDKC3Tuple_"): is_tuple = True trait_fn_match = line_indicates_trait_regex.match(struct_line) if trait_fn_match is not None: - trait_fn_lines.append(trait_fn_match) + trait_fn_lines.append((last_struct_block_comment, trait_fn_match)) field_var_match = line_field_var_regex.match(struct_line) if field_var_match is not None: field_var_lines.append(field_var_match) @@ -1655,93 +781,37 @@ class CommonBase { if is_opaque: opaque_structs.add(struct_name) - with open(sys.argv[3] + "/structs/" + struct_name.replace("LDK","") + ".java", "w") as out_java_struct: - out_java_struct.write(hu_struct_file_prefix) - out_java_struct.write("public class " + struct_name.replace("LDK","") + " extends CommonBase") - if struct_name.startswith("LDKLocked"): - out_java_struct.write(" implements AutoCloseable") - out_java_struct.write(" {\n") - out_java_struct.write("\t" + struct_name.replace("LDK", "") + "(Object _dummy, long ptr) { super(ptr); }\n") - if struct_name.startswith("LDKLocked"): - out_java_struct.write("\t@Override public void close() {\n") - else: - out_java_struct.write("\t@Override @SuppressWarnings(\"deprecation\")\n") - out_java_struct.write("\tprotected void finalize() throws Throwable {\n") - out_java_struct.write("\t\tsuper.finalize();\n") - out_java_struct.write("\t\tif (ptr != 0) { bindings." + struct_name.replace("LDK","") + "_free(ptr); }\n") - out_java_struct.write("\t}\n\n") + with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDK', '')}{consts.file_ext}", "w") as out_java_struct: + out_opaque_struct_human = consts.map_opaque_struct(struct_name, last_block_comment) + last_block_comment = None + out_java_struct.write(out_opaque_struct_human) elif result_contents is not None: - result_templ_structs.add(struct_name) assert result_contents in result_ptr_struct_items - elif struct_name.startswith("LDKCResultPtr_"): + res_ty, err_ty = result_ptr_struct_items[result_contents] + map_result(struct_name, res_ty, err_ty) + elif struct_name.startswith("LDKCResult_") and struct_name.endswith("ZPtr"): for line in field_lines: if line.endswith("*result;"): res_ty = line[:-8].strip() elif line.endswith("*err;"): err_ty = line[:-5].strip() result_ptr_struct_items[struct_name] = (res_ty, err_ty) + result_types.add(struct_name[:-3]) elif is_tuple: - out_java.write("\tpublic static native long " + struct_name + "_new(") - write_c("JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_" + struct_name.replace("_", "_1") + "_1new(JNIEnv *_env, jclass _b") - ty_list = [] - for idx, line in enumerate(field_lines): - if idx != 0 and idx < len(field_lines) - 2: - ty_info = java_c_types(line.strip(';'), None) - if idx != 1: - out_java.write(", ") - e = chr(ord('a') + idx - 1) - out_java.write(ty_info.java_ty + " " + e) - write_c(", " + ty_info.c_ty + " " + e) - ty_list.append(ty_info) - tuple_types[struct_name] = (ty_list, struct_name) - out_java.write(");\n") - write_c(") {\n") - write_c("\t" + struct_name + "* ret = MALLOC(sizeof(" + struct_name + "), \"" + struct_name + "\");\n") - for idx, line in enumerate(field_lines): - if idx != 0 and idx < len(field_lines) - 2: - ty_info = map_type(line.strip(';'), False, None, False, False) - e = chr(ord('a') + idx - 1) - if ty_info.arg_conv is not None: - write_c("\t" + ty_info.arg_conv.replace("\n", "\n\t")) - write_c("\n\tret->" + e + " = " + ty_info.arg_conv_name + ";\n") - else: - write_c("\tret->" + e + " = " + e + ";\n") - if ty_info.arg_conv_cleanup is not None: - write_c("\t//TODO: Really need to call " + ty_info.arg_conv_cleanup + " here\n") - write_c("\treturn (long)ret;\n") - write_c("}\n") + map_tuple(struct_name, field_lines) elif vec_ty is not None: - if vec_ty in opaque_structs: - out_java.write("\tpublic static native long[] " + struct_name + "_arr_info(long vec_ptr);\n") - write_c("JNIEXPORT jlongArray JNICALL Java_org_ldk_impl_bindings_" + struct_name.replace("_", "_1") + "_1arr_1info(JNIEnv *env, jclass _b, jlong ptr) {\n") - else: - out_java.write("\tpublic static native VecOrSliceDef " + struct_name + "_arr_info(long vec_ptr);\n") - write_c("JNIEXPORT jobject JNICALL Java_org_ldk_impl_bindings_" + struct_name.replace("_", "_1") + "_1arr_1info(JNIEnv *env, jclass _b, jlong ptr) {\n") - write_c("\t" + struct_name + " *vec = (" + struct_name + "*)ptr;\n") - if vec_ty in opaque_structs: - write_c("\tjlongArray ret = (*env)->NewLongArray(env, vec->datalen);\n") - write_c("\tjlong *ret_elems = (*env)->GetPrimitiveArrayCritical(env, ret, NULL);\n") - write_c("\tfor (size_t i = 0; i < vec->datalen; i++) {\n") - write_c("\t\tCHECK((((long)vec->data[i].inner) & 1) == 0);\n") - write_c("\t\tret_elems[i] = (long)vec->data[i].inner | (vec->data[i].is_owned ? 1 : 0);\n") - write_c("\t}\n") - write_c("\t(*env)->ReleasePrimitiveArrayCritical(env, ret, ret_elems, 0);\n") - write_c("\treturn ret;\n") - else: - write_c("\treturn (*env)->NewObject(env, slicedef_cls, slicedef_meth, (long)vec->data, (long)vec->datalen, sizeof(" + vec_ty + "));\n") - write_c("}\n") - - ty_info = map_type(vec_ty + " arr_elem", False, None, False, False) + ty_info = type_mapping_generator.map_type(vec_ty + " arr_elem", False, None, False, False) if len(ty_info.java_fn_ty_arg) == 1: # ie we're a primitive of some form out_java.write("\tpublic static native long " + struct_name + "_new(" + ty_info.java_ty + "[] elems);\n") - write_c("JNIEXPORT jlong JNICALL Java_org_ldk_impl_bindings_" + struct_name.replace("_", "_1") + "_1new(JNIEnv *env, jclass _b, j" + ty_info.java_ty + "Array elems){\n") + write_c(consts.c_fn_ty_pfx + consts.ptr_c_ty + " " + consts.c_fn_name_define_pfx(struct_name + "_new", True) + ty_info.c_ty + "Array elems) {\n") write_c("\t" + struct_name + " *ret = MALLOC(sizeof(" + struct_name + "), \"" + struct_name + "\");\n") - write_c("\tret->datalen = (*env)->GetArrayLength(env, elems);\n") + write_c("\tret->datalen = " + consts.get_native_arr_len_call[0] + "elems" + consts.get_native_arr_len_call[1] + ";\n") write_c("\tif (ret->datalen == 0) {\n") write_c("\t\tret->data = NULL;\n") write_c("\t} else {\n") write_c("\t\tret->data = MALLOC(sizeof(" + vec_ty + ") * ret->datalen, \"" + struct_name + " Data\");\n") - write_c("\t\t" + ty_info.c_ty + " *java_elems = (*env)->GetPrimitiveArrayCritical(env, elems, NULL);\n") + native_arr_ptr_call = consts.get_native_arr_ptr_call(ty_info.ty_info) + write_c("\t\t" + ty_info.c_ty + " *java_elems = " + native_arr_ptr_call[0] + "elems" + native_arr_ptr_call[1] + ";\n") write_c("\t\tfor (size_t i = 0; i < ret->datalen; i++) {\n") if ty_info.arg_conv is not None: write_c("\t\t\t" + ty_info.c_ty + " arr_elem = java_elems[i];\n") @@ -1751,10 +821,27 @@ class CommonBase { else: write_c("\t\t\tret->data[i] = java_elems[i];\n") write_c("\t\t}\n") - write_c("\t\t(*env)->ReleasePrimitiveArrayCritical(env, elems, java_elems, 0);\n") + cleanup = consts.release_native_arr_ptr_call(ty_info.ty_info, "elems", "java_elems") + if cleanup is not None: + write_c("\t\t" + cleanup + ";\n") write_c("\t}\n") write_c("\treturn (long)ret;\n") write_c("}\n") + + if ty_info.is_native_primitive: + clone_fns.add(struct_name.replace("LDK", "") + "_clone") + write_c("static inline " + struct_name + " " + struct_name.replace("LDK", "") + "_clone(const " + struct_name + " *orig) {\n") + write_c("\t" + struct_name + " ret = { .data = MALLOC(sizeof(" + ty_info.c_ty + ") * orig->datalen, \"" + struct_name + " clone bytes\"), .datalen = orig->datalen };\n") + write_c("\tmemcpy(ret.data, orig->data, sizeof(" + ty_info.c_ty + ") * ret.datalen);\n") + write_c("\treturn ret;\n}\n") + elif (ty_info.rust_obj.replace("LDK", "") + "_clone") in clone_fns: + ty_name = "CVec_" + ty_info.rust_obj.replace("LDK", "") + "Z"; + clone_fns.add(ty_name + "_clone") + write_c("static inline " + struct_name + " " + ty_name + "_clone(const " + struct_name + " *orig) {\n") + write_c("\t" + struct_name + " ret = { .data = MALLOC(sizeof(" + ty_info.rust_obj + ") * orig->datalen, \"" + struct_name + " clone bytes\"), .datalen = orig->datalen };\n") + write_c("\tfor (size_t i = 0; i < ret.datalen; i++) {\n") + write_c("\t\tret.data[i] = " + ty_info.rust_obj.replace("LDK", "") + "_clone(&orig->data[i]);\n") + write_c("\t}\n\treturn ret;\n}\n") elif is_union_enum: assert(struct_name.endswith("_Tag")) struct_name = struct_name[:-4] @@ -1763,30 +850,45 @@ class CommonBase { enum_var_name = struct_name.split("_") union_enum_items[enum_var_name[0]][enum_var_name[1]] = field_lines elif struct_name in union_enum_items: - map_complex_enum(struct_name, union_enum_items[struct_name]) + tuple_variants = {} + elem_items = -1 + for line in field_lines: + if line == " struct {": + elem_items = 0 + elif line == " };": + elem_items = -1 + elif elem_items > -1: + line = line.strip() + if line.startswith("struct "): + line = line[7:] + split = line.split(" ") + assert len(split) == 2 + tuple_variants[split[1].strip(";")] = split[0] + elem_items += 1 + if elem_items > 1: + # We don't currently support tuple variant with more than one element + assert False + map_complex_enum(struct_name, union_enum_items[struct_name], tuple_variants, last_block_comment) + last_block_comment = None elif is_unitary_enum: - map_unitary_enum(struct_name, field_lines) + map_unitary_enum(struct_name, field_lines, last_block_comment) + last_block_comment = None elif len(trait_fn_lines) > 0: trait_structs.add(struct_name) - map_trait(struct_name, field_var_lines, trait_fn_lines) + map_trait(struct_name, field_var_lines, trait_fn_lines, last_block_comment) elif struct_name == "LDKTxOut": - with open(sys.argv[3] + "/structs/TxOut.java", "w") as out_java_struct: - out_java_struct.write(hu_struct_file_prefix) + with open(f"{sys.argv[3]}/structs/TxOut{consts.file_ext}", "w") as out_java_struct: + out_java_struct.write(consts.hu_struct_file_prefix) out_java_struct.write("public class TxOut extends CommonBase{\n") out_java_struct.write("\tTxOut(java.lang.Object _dummy, long ptr) { super(ptr); }\n") out_java_struct.write("\tlong to_c_ptr() { return 0; }\n") + out_java_struct.write("\t@Override @SuppressWarnings(\"deprecation\")\n") + out_java_struct.write("\tprotected void finalize() throws Throwable {\n") + out_java_struct.write("\t\tsuper.finalize();\n") + out_java_struct.write("\t\tif (ptr != 0) { bindings.TxOut_free(ptr); }\n") + out_java_struct.write("\t}\n") # TODO: TxOut body out_java_struct.write("}") - elif struct_name == "LDKTransaction": - with open(sys.argv[3] + "/structs/Transaction.java", "w") as out_java_struct: - out_java_struct.write(hu_struct_file_prefix) - out_java_struct.write("public class Transaction extends CommonBase{\n") - out_java_struct.write("\tTransaction(java.lang.Object _dummy, long ptr) { super(ptr); }\n") - out_java_struct.write("\tpublic Transaction(byte[] data) { super(bindings.new_txpointer_copy_data(data)); }\n") - out_java_struct.write("\t@Override public void finalize() throws Throwable { super.finalize(); bindings.txpointer_free(ptr); }\n") - out_java_struct.write("\tpublic byte[] get_contents() { return bindings.txpointer_get_buffer(ptr); }\n") - # TODO: Transaction body - out_java_struct.write("}") else: pass # Everything remaining is a byte[] or some form cur_block_obj = None @@ -1799,157 +901,46 @@ class CommonBase { if line.startswith("#include <"): pass elif line.startswith("/*"): - #out_java.write("\t" + line) if not line.endswith("*/\n"): - in_block_comment = True + block_comment = line.strip(" /*") elif line.startswith("typedef enum "): cur_block_obj = line elif line.startswith("typedef struct "): cur_block_obj = line elif line.startswith("typedef union "): cur_block_obj = line - elif line.startswith("typedef "): - alias_match = struct_alias_regex.match(line) - if alias_match.group(1) in tuple_types: - tuple_types[alias_match.group(2)] = (tuple_types[alias_match.group(1)][0], alias_match.group(2)) - tuple_types[alias_match.group(1)] = (tuple_types[alias_match.group(1)][0], alias_match.group(2)) - for idx, ty_info in enumerate(tuple_types[alias_match.group(1)][0]): - e = chr(ord('a') + idx) - out_java.write("\tpublic static native " + ty_info.java_ty + " " + alias_match.group(2) + "_get_" + e + "(long ptr);\n") - write_c("JNIEXPORT " + ty_info.c_ty + " JNICALL Java_org_ldk_impl_bindings_" + alias_match.group(2).replace("_", "_1") + "_1get_1" + e + "(JNIEnv *_env, jclass _b, jlong ptr) {\n") - write_c("\t" + alias_match.group(1) + " *tuple = (" + alias_match.group(1) + "*)ptr;\n") - conv_info = map_type_with_info(ty_info, False, None, False, True) - if conv_info.ret_conv is not None: - write_c("\t" + conv_info.ret_conv[0].replace("\n", "\n\t") + "tuple->" + e + conv_info.ret_conv[1].replace("\n", "\n\t") + "\n") - write_c("\treturn " + conv_info.ret_conv_name + ";\n") - else: - write_c("\treturn tuple->" + e + ";\n") - write_c("}\n") - elif alias_match.group(1) in result_templ_structs: - result_types.add(alias_match.group(2)) - human_ty = alias_match.group(2).replace("LDKCResult", "Result") - with open(sys.argv[3] + "/structs/" + human_ty + ".java", "w") as out_java_struct: - out_java_struct.write(hu_struct_file_prefix) - out_java_struct.write("public class " + human_ty + " extends CommonBase {\n") - out_java_struct.write("\tprivate " + human_ty + "(Object _dummy, long ptr) { super(ptr); }\n") - out_java_struct.write("\tprotected void finalize() throws Throwable {\n") - out_java_struct.write("\t\tif (ptr != 0) { bindings." + alias_match.group(2).replace("LDK","") + "_free(ptr); } super.finalize();\n") - out_java_struct.write("\t}\n\n") - out_java_struct.write("\tstatic " + human_ty + " constr_from_ptr(long ptr) {\n") - out_java_struct.write("\t\tif (bindings." + alias_match.group(2) + "_result_ok(ptr)) {\n") - out_java_struct.write("\t\t\treturn new " + human_ty + "_OK(null, ptr);\n") - out_java_struct.write("\t\t} else {\n") - out_java_struct.write("\t\t\treturn new " + human_ty + "_Err(null, ptr);\n") - out_java_struct.write("\t\t}\n") - out_java_struct.write("\t}\n") - - contents_ty = alias_match.group(1).replace("LDKCResultTempl", "LDKCResultPtr") - res_ty, err_ty = result_ptr_struct_items[contents_ty] - res_map = map_type(res_ty + " res", True, None, False, True) - err_map = map_type(err_ty + " err", True, None, False, True) - - out_java.write("\tpublic static native boolean " + alias_match.group(2) + "_result_ok(long arg);\n") - write_c("JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_" + alias_match.group(2).replace("_", "_1") + "_1result_1ok (JNIEnv * env, jclass _a, jlong arg) {\n") - write_c("\treturn ((" + alias_match.group(2) + "*)arg)->result_ok;\n") - write_c("}\n") - - out_java.write("\tpublic static native " + res_map.java_ty + " " + alias_match.group(2) + "_get_ok(long arg);\n") - write_c("JNIEXPORT " + res_map.c_ty + " JNICALL Java_org_ldk_impl_bindings_" + alias_match.group(2).replace("_", "_1") + "_1get_1ok (JNIEnv * _env, jclass _a, jlong arg) {\n") - write_c("\t" + alias_match.group(2) + " *val = (" + alias_match.group(2) + "*)arg;\n") - write_c("\tCHECK(val->result_ok);\n\t") - out_java_struct.write("\tpublic static final class " + human_ty + "_OK extends " + human_ty + " {\n") - if res_map.ret_conv is not None: - write_c(res_map.ret_conv[0].replace("\n", "\n\t") + "(*val->contents.result)") - write_c(res_map.ret_conv[1].replace("\n", "\n\t") + "\n\treturn " + res_map.ret_conv_name) - else: - write_c("return *val->contents.result") - write_c(";\n}\n") - - out_java_struct.write("\t\tpublic final " + res_map.java_hu_ty + " res;\n") - out_java_struct.write("\t\tprivate " + human_ty + "_OK(Object _dummy, long ptr) {\n") - out_java_struct.write("\t\t\tsuper(_dummy, ptr);\n") - if res_map.to_hu_conv is not None: - out_java_struct.write("\t\t\t" + res_map.java_ty + " res = bindings." + alias_match.group(2) + "_get_ok(ptr);\n") - out_java_struct.write("\t\t\t" + res_map.to_hu_conv.replace("\n", "\n\t\t\t")) - out_java_struct.write("\n\t\t\tthis.res = " + res_map.to_hu_conv_name + ";\n") - else: - out_java_struct.write("\t\t\tthis.res = bindings." + alias_match.group(2) + "_get_ok(ptr);\n") - out_java_struct.write("\t\t}\n") - if alias_match.group(2).startswith("LDKCResult_None"): - out_java_struct.write("\t\tpublic " + human_ty + "_OK() {\n\t\t\tthis(null, bindings.C" + human_ty + "_ok());\n") - else: - out_java_struct.write("\t\tpublic " + human_ty + "_OK(" + res_map.java_hu_ty + " res) {\n") - if res_map.from_hu_conv is not None: - out_java_struct.write("\t\t\tthis(null, bindings.C" + human_ty + "_ok(" + res_map.from_hu_conv[0] + "));\n") - if res_map.from_hu_conv[1] != "": - out_java_struct.write("\t\t\t" + res_map.from_hu_conv[1] + ";\n") - else: - out_java_struct.write("\t\t\tthis(null, bindings.C" + human_ty + "_ok(res));\n") - out_java_struct.write("\t\t}\n\t}\n\n") - - out_java.write("\tpublic static native " + err_map.java_ty + " " + alias_match.group(2) + "_get_err(long arg);\n") - write_c("JNIEXPORT " + err_map.c_ty + " JNICALL Java_org_ldk_impl_bindings_" + alias_match.group(2).replace("_", "_1") + "_1get_1err (JNIEnv * _env, jclass _a, jlong arg) {\n") - write_c("\t" + alias_match.group(2) + " *val = (" + alias_match.group(2) + "*)arg;\n") - write_c("\tCHECK(!val->result_ok);\n\t") - out_java_struct.write("\tpublic static final class " + human_ty + "_Err extends " + human_ty + " {\n") - if err_map.ret_conv is not None: - write_c(err_map.ret_conv[0].replace("\n", "\n\t") + "(*val->contents.err)") - write_c(err_map.ret_conv[1].replace("\n", "\n\t") + "\n\treturn " + err_map.ret_conv_name) - else: - write_c("return *val->contents.err") - write_c(";\n}\n") - - out_java_struct.write("\t\tpublic final " + err_map.java_hu_ty + " err;\n") - out_java_struct.write("\t\tprivate " + human_ty + "_Err(Object _dummy, long ptr) {\n") - out_java_struct.write("\t\t\tsuper(_dummy, ptr);\n") - if err_map.to_hu_conv is not None: - out_java_struct.write("\t\t\t" + err_map.java_ty + " err = bindings." + alias_match.group(2) + "_get_err(ptr);\n") - out_java_struct.write("\t\t\t" + err_map.to_hu_conv.replace("\n", "\n\t\t\t")) - out_java_struct.write("\n\t\t\tthis.err = " + err_map.to_hu_conv_name + ";\n") - else: - out_java_struct.write("\t\t\tthis.err = bindings." + alias_match.group(2) + "_get_err(ptr);\n") - out_java_struct.write("\t\t}\n") - - if alias_match.group(2).endswith("NoneZ"): - out_java_struct.write("\t\tpublic " + human_ty + "_Err() {\n\t\t\tthis(null, bindings.C" + human_ty + "_err());\n") - else: - out_java_struct.write("\t\tpublic " + human_ty + "_Err(" + err_map.java_hu_ty + " err) {\n") - if err_map.from_hu_conv is not None: - out_java_struct.write("\t\t\tthis(null, bindings.C" + human_ty + "_err(" + err_map.from_hu_conv[0] + "));\n") - if err_map.from_hu_conv[1] != "": - out_java_struct.write("\t\t\t" + err_map.from_hu_conv[1] + ";\n") - else: - out_java_struct.write("\t\t\tthis(null, bindings.C" + human_ty + "_err(err));\n") - out_java_struct.write("\t\t}\n\t}\n}\n") elif fn_ptr is not None: - map_fn(line, fn_ptr, None, None) + map_fn(line, fn_ptr, None, None, last_block_comment) + last_block_comment = None elif fn_ret_arr is not None: - map_fn(line, fn_ret_arr, fn_ret_arr.group(4), None) + map_fn(line, fn_ret_arr, fn_ret_arr.group(4), None, last_block_comment) + last_block_comment = None elif reg_fn is not None: - map_fn(line, reg_fn, None, None) + map_fn(line, reg_fn, None, None, last_block_comment) + last_block_comment = None elif const_val_regex is not None: # TODO Map const variables pass else: assert(line == "\n") - out_java.write("}\n") + out_java.write(consts.bindings_footer) for struct_name in opaque_structs: - with open(sys.argv[3] + "/structs/" + struct_name.replace("LDK","") + ".java", "a") as out_java_struct: + with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDK', '')}{consts.file_ext}", "a") as out_java_struct: out_java_struct.write("}\n") for struct_name in trait_structs: - with open(sys.argv[3] + "/structs/" + struct_name.replace("LDK","") + ".java", "a") as out_java_struct: + with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDK', '')}{consts.file_ext}", "a") as out_java_struct: + out_java_struct.write("}\n") + for struct_name in complex_enums: + with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDK', '').replace('COption', 'Option')}{consts.file_ext}", "a") as out_java_struct: out_java_struct.write("}\n") + for struct_name in result_types: + with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDKCResult', 'Result')}{consts.file_ext}", "a") as out_java_struct: + out_java_struct.write("}\n") + with open(sys.argv[4], "w") as out_c: - out_c.write(c_file_pfx) - for ty in c_array_class_caches: - if ty + "_clz" in c_file: - out_c.write("static jclass " + ty + "_clz = NULL;\n") - out_c.write("JNIEXPORT void Java_org_ldk_impl_bindings_init_1class_1cache(JNIEnv * env, jclass _b) {\n") - for ty in c_array_class_caches: - if ty + "_clz" in c_file: - out_c.write("\t" + ty + "_clz = (*env)->FindClass(env, \"" + ty.replace("arr_of_", "[") + "\");\n") - out_c.write("\tCHECK(" + ty + "_clz != NULL);\n") - out_c.write("\t" + ty + "_clz = (*env)->NewGlobalRef(env, " + ty + "_clz);\n") - out_c.write("}\n") + out_c.write(consts.c_file_pfx) + out_c.write(consts.init_str()) out_c.write(c_file) +with open(f"{sys.argv[3]}/structs/UtilMethods{consts.file_ext}", "a") as util: + util.write(consts.util_fn_sfx)