+from bindingstypes import ConvInfo
+from enum import Enum
+
+def first_to_lower(string: str) -> str:
+ first = string[0]
+ return first.lower() + string[1:]
+
+
+class Target(Enum):
+ NODEJS = 1,
+ BROWSER = 2
+
class Consts:
- def __init__(self, DEBUG):
+ def __init__(self, DEBUG: bool, target: Target, **kwargs):
+
+ self.c_type_map = dict(
+ uint8_t = ['number', 'Uint8Array'],
+ uint16_t = ['number', 'Uint16Array'],
+ uint32_t = ['number', 'Uint32Array'],
+ uint64_t = ['number'],
+ )
+
+ self.wasm_decoding_map = dict(
+ int8_tArray = 'decodeArray'
+ )
+
+ self.wasm_encoding_map = dict(
+ int8_tArray = 'encodeArray',
+ )
+
+ self.to_hu_conv_templates = dict(
+ ptr = 'const {var_name}_hu_conv: {human_type} = new {human_type}(null, {var_name});',
+ default = 'const {var_name}_hu_conv: {human_type} = new {human_type}(null, {var_name});',
+ )
+
+ self.bindings_header = self.wasm_import_header(target) + """
+export class VecOrSliceDef {
+ public dataptr: number;
+ public datalen: number;
+ public stride: number;
+ public constructor(dataptr: number, datalen: number, stride: number) {
+ this.dataptr = dataptr;
+ this.datalen = datalen;
+ this.stride = stride;
+ }
+}
+
+/*
+TODO: load WASM file
+static {
+ System.loadLibrary(\"lightningjni\");
+ init(java.lang.Enum.class, VecOrSliceDef.class);
+ init_class_cache();
+}
+
+static native void init(java.lang.Class c, java.lang.Class slicedef);
+static native void init_class_cache();
+
+public static native boolean deref_bool(long ptr);
+public static native long deref_long(long ptr);
+public static native void free_heap_ptr(long ptr);
+public static native byte[] read_bytes(long ptr, long len);
+public static native byte[] get_u8_slice_bytes(long slice_ptr);
+public static native long bytes_to_u8_vec(byte[] bytes);
+public static native long new_txpointer_copy_data(byte[] txdata);
+public static native void txpointer_free(long ptr);
+public static native byte[] txpointer_get_buffer(long ptr);
+public static native long vec_slice_len(long vec);
+public static native long new_empty_slice_vec();
+*/
+
+"""
+
+ self.bindings_version_file = ""
+
+ self.bindings_footer = """
+ export async function initializeWasm(allowDoubleInitialization: boolean = false): Promise<void> {
+ if(isWasmInitialized && !allowDoubleInitialization) {
+ return;
+ }
+ const wasmInstance = await WebAssembly.instantiate(wasmModule, imports)
+ wasm = wasmInstance.exports;
+ isWasmInitialized = true;
+ }
+ """
+
+ self.util_fn_pfx = ""
+ self.util_fn_sfx = ""
+
self.common_base = """
export default class CommonBase {
ptr: number;
- ptrs_to: object[] = new Array(); // new LinkedList(); TODO: build linked list implementation
+ ptrs_to: object[] = []; // new LinkedList(); TODO: build linked list implementation
protected constructor(ptr: number) { this.ptr = ptr; }
public _test_only_get_ptr(): number { return this.ptr; }
+ protected finalize() {
+ // TODO: finalize myself
+ }
}
- """
+"""
- self.c_file_pfx = """#include <rust_types.h>
+ self.c_file_pfx = """#include "js-wasm.h"
#include <stdatomic.h>
#include <lightning.h>
int memcmp(const void *s1, const void *s2, size_t n);
void __attribute__((noreturn)) abort(void);
-void assert(scalar expression);
+static inline void assert(bool expression) {
+ if (!expression) { abort(); }
+}
"""
if not DEBUG:
void free(void *ptr);
#define MALLOC(a, _) malloc(a)
-#define FREE(p) if ((long)(p) > 1024) { free(p); }
+#define FREE(p) if ((unsigned long)(p) > 4096) { free(p); }
#define DO_ASSERT(a) (void)(a)
#define CHECK(a)
+#define CHECK_ACCESS(p)
+#define CHECK_INNER_FIELD_ACCESS_OR_NULL(v)
"""
else:
self.c_file_pfx = self.c_file_pfx + """
__real_free(it);
}
static void FREE(void* ptr) {
- if ((long)ptr < 1024) return; // Rust loves to create pointers to the NULL page for dummys
+ if ((unsigned long)ptr <= 4096) return; // Rust loves to create pointers to the NULL page for dummys
alloc_freed(ptr);
__real_free(ptr);
}
+static void CHECK_ACCESS(void* ptr) {
+ allocation* it = allocation_ll;
+ while (it->ptr != ptr) {
+ it = it->next;
+ if (it == NULL) {
+ return; // addrsan should catch malloc-unknown and print more info than we have
+ }
+ }
+}
+#define CHECK_INNER_FIELD_ACCESS_OR_NULL(v) \\
+ if (v.is_owned && v.inner != NULL) { \\
+ const void *p = __unmangle_inner_ptr(v.inner); \\
+ if (p != NULL) { \\
+ CHECK_ACCESS(p); \\
+ } \\
+ }
+
void* __wrap_malloc(size_t len) {
void* res = __real_malloc(len);
new_allocation(res, "malloc call");
_Static_assert(sizeof(void*) == 4, "Pointers mut be 32 bits");
-typedef struct int64_tArray {uint32_t len;int64_t *ptr;} int64_tArray;
-typedef struct uint32_tArray {uint32_t len;int32_t *ptr;} uint32_tArray;
-typedef struct int8_tArray {uint32_t len;int8_t *ptr;} int8_tArray;
+typedef uint32_t int64_tArray;
+typedef uint32_t int8_tArray;
+typedef uint32_t uint32_tArray;
+typedef uint32_t ptrArray;
+typedef uint32_t jstring;
+
+static inline uint32_t init_arr(size_t arr_len, size_t elem_size, const char *type_desc) {
+ uint32_t *elems = (uint32_t*)MALLOC(arr_len * elem_size + 4, type_desc);
+ elems[0] = arr_len;
+ return (uint32_t)elems;
+}
+
+static inline jstring str_ref_to_ts(const char* chars, size_t len) {
+ char* err_buf = MALLOC(len + 4, "str conv buf");
+ *((uint32_t*)err_buf) = len;
+ memcpy(err_buf + 4, chars, len);
+ return (uint32_t) err_buf;
+}
+static inline LDKStr str_ref_to_owned_c(jstring str) {
+ uint32_t *str_len = (uint32_t*)str;
+ char* newchars = MALLOC(*str_len + 1, "String chars");
+ memcpy(newchars, (const char*)(str + 4), *str_len);
+ newchars[*str_len] = 0;
+ LDKStr res= {
+ .chars = newchars,
+ .len = *str_len,
+ .chars_is_owned = true
+ };
+ return res;
+}
typedef bool jboolean;
+uint32_t __attribute__((visibility("default"))) TS_malloc(uint32_t size) {
+ return (uint32_t)MALLOC(size, "JS-Called malloc");
+}
+void __attribute__((visibility("default"))) TS_free(uint32_t ptr) {
+ FREE((void*)ptr);
+}
"""
+ self.c_version_file = ""
+
self.hu_struct_file_prefix = f"""
import CommonBase from './CommonBase';
import * as bindings from '../bindings' // TODO: figure out location
"""
self.c_fn_ty_pfx = ""
- self.c_fn_name_pfx = ""
- self.c_fn_args_pfx = "void* ctx_TODO"
self.file_ext = ".ts"
self.ptr_c_ty = "uint32_t"
- self.ptr_native_ty = "uint32_t"
+ self.ptr_native_ty = "number"
self.result_c_ty = "uint32_t"
- self.ptr_arr = "uint32_tArray"
- self.get_native_arr_len_call = ("", ".len")
- self.get_native_arr_ptr_call = ("", ".ptr")
+ self.ptr_arr = "ptrArray"
+ self.is_arr_some_check = ("", " != 0")
+ self.get_native_arr_len_call = ("*((uint32_t*)", ")")
- def release_native_arr_ptr_call(self, arr_var, arr_ptr_var):
+ def release_native_arr_ptr_call(self, ty_info, arr_var, arr_ptr_var):
return None
def create_native_arr_call(self, arr_len, ty_info):
if ty_info.c_ty == "int8_tArray":
- return "{ .len = " + arr_len + ", .ptr = MALLOC(" + arr_len + ", \"Native " + ty_info.c_ty + " Bytes\") }"
+ return "init_arr(" + arr_len + ", sizeof(uint8_t), \"Native int8_tArray Bytes\")"
elif ty_info.c_ty == "int64_tArray":
- return "{ .len = " + arr_len + ", .ptr = MALLOC(" + arr_len + " * sizeof(int64_t), \"Native " + ty_info.c_ty + " Bytes\") }"
+ return "init_arr(" + arr_len + ", sizeof(uint64_t), \"Native int64_tArray Bytes\")"
elif ty_info.c_ty == "uint32_tArray":
- return "{ .len = " + arr_len + ", .ptr = MALLOC(" + arr_len + " * sizeof(int32_t), \"Native " + ty_info.c_ty + " Bytes\") }"
+ return "init_arr(" + arr_len + ", sizeof(uint32_t), \"Native uint32_tArray Bytes\")"
+ elif ty_info.c_ty == "ptrArray":
+ assert ty_info.subty is not None and ty_info.subty.c_ty.endswith("Array")
+ return "init_arr(" + arr_len + ", sizeof(uint32_t), \"Native ptrArray Bytes\")"
else:
print("Need to create arr!", ty_info.c_ty)
return ty_info.c_ty
def set_native_arr_contents(self, arr_name, arr_len, ty_info):
if ty_info.c_ty == "int8_tArray":
- return ("memcpy(" + arr_name + ".ptr, ", ", " + arr_len + ")")
+ return ("memcpy((uint8_t*)(" + arr_name + " + 4), ", ", " + arr_len + ")")
else:
assert False
def get_native_arr_contents(self, arr_name, dest_name, arr_len, ty_info, copy):
if ty_info.c_ty == "int8_tArray":
if copy:
- return "memcpy(" + dest_name + ", " + arr_name + ".ptr, " + arr_len + ")"
+ return "memcpy(" + dest_name + ", (uint8_t*)(" + arr_name + " + 4), " + arr_len + ")"
else:
- return arr_name + ".ptr"
+ return "(int8_t*)(" + arr_name + " + 4)"
else:
- return "(" + ty_info.subty.c_ty + "*) " + arr_name + ".ptr"
+ return "(" + ty_info.subty.c_ty + "*)(" + arr_name + " + 4)"
def get_native_arr_elem(self, arr_name, idxc, ty_info):
assert False # Only called if above is None
+ def get_native_arr_ptr_call(self, ty_info):
+ if ty_info.subty is not None:
+ return "(" + ty_info.subty.c_ty + "*)(", " + 4)"
+ return "(" + ty_info.c_ty + "*)(", " + 4)"
+ def get_native_arr_entry_call(self, ty_info, arr_name, idxc, entry_access):
+ return None
def cleanup_native_arr_ref_contents(self, arr_name, dest_name, arr_len, ty_info):
if ty_info.c_ty == "int8_tArray":
return None
else:
return None
- def init_str(self, c_array_class_caches):
+ def str_ref_to_native_call(self, var_name, str_len):
+ return "str_ref_to_ts(" + var_name + ", " + str_len + ")"
+ def str_ref_to_c_call(self, var_name):
+ return "str_ref_to_owned_c(" + var_name + ")"
+
+ def c_fn_name_define_pfx(self, fn_name, have_args):
+ return " __attribute__((visibility(\"default\"))) TS_" + fn_name + "("
+
+ def wasm_import_header(self, target):
+ if target == Target.NODEJS:
+ return """
+import * as fs from 'fs';
+const source = fs.readFileSync('./ldk.wasm');
+
+const memory = new WebAssembly.Memory({initial: 256});
+const wasmModule = new WebAssembly.Module(source);
+
+const imports: any = {};
+imports.env = {};
+
+imports.env.memoryBase = 0;
+imports.env.memory = memory;
+imports.env.tableBase = 0;
+imports.env.table = new WebAssembly.Table({initial: 4, element: 'anyfunc'});
+
+imports.env["abort"] = function () {
+ console.error("ABORT");
+};
+
+let wasm = null;
+let isWasmInitialized: boolean = false;
+
+
+// WASM CODEC
+
+const nextMultipleOfFour = (value: number) => {
+ return Math.ceil(value / 4) * 4;
+}
+
+const encodeUint8Array = (inputArray) => {
+ const cArrayPointer = wasm.TS_malloc(inputArray.length + 4);
+ const arrayLengthView = new Uint32Array(memory.buffer, cArrayPointer, 1);
+ arrayLengthView[0] = inputArray.length;
+ const arrayMemoryView = new Uint8Array(memory.buffer, cArrayPointer + 4, inputArray.length);
+ arrayMemoryView.set(inputArray);
+ return cArrayPointer;
+}
+
+const encodeUint32Array = (inputArray) => {
+ const cArrayPointer = wasm.TS_malloc((inputArray.length + 1) * 4);
+ const arrayMemoryView = new Uint32Array(memory.buffer, cArrayPointer, inputArray.length);
+ arrayMemoryView.set(inputArray, 1);
+ arrayMemoryView[0] = inputArray.length;
+ return cArrayPointer;
+}
+
+const getArrayLength = (arrayPointer) => {
+ const arraySizeViewer = new Uint32Array(
+ memory.buffer, // value
+ arrayPointer, // offset
+ 1 // one int
+ );
+ return arraySizeViewer[0];
+}
+const decodeUint8Array = (arrayPointer, free = true) => {
+ const arraySize = getArrayLength(arrayPointer);
+ const actualArrayViewer = new Uint8Array(
+ memory.buffer, // value
+ arrayPointer + 4, // offset (ignoring length bytes)
+ arraySize // uint8 count
+ );
+ // Clone the contents, TODO: In the future we should wrap the Viewer in a class that
+ // will free the underlying memory when it becomes unreachable instead of copying here.
+ const actualArray = actualArrayViewer.slice(0, arraySize);
+ if (free) {
+ wasm.TS_free(arrayPointer);
+ }
+ return actualArray;
+}
+const decodeUint32Array = (arrayPointer, free = true) => {
+ const arraySize = getArrayLength(arrayPointer);
+ const actualArrayViewer = new Uint32Array(
+ memory.buffer, // value
+ arrayPointer + 4, // offset (ignoring length bytes)
+ arraySize // uint32 count
+ );
+ // Clone the contents, TODO: In the future we should wrap the Viewer in a class that
+ // will free the underlying memory when it becomes unreachable instead of copying here.
+ const actualArray = actualArrayViewer.slice(0, arraySize);
+ if (free) {
+ wasm.TS_free(arrayPointer);
+ }
+ return actualArray;
+}
+
+const encodeString = (string) => {
+ // make malloc count divisible by 4
+ const memoryNeed = nextMultipleOfFour(string.length + 1);
+ const stringPointer = wasm.TS_malloc(memoryNeed);
+ const stringMemoryView = new Uint8Array(
+ memory.buffer, // value
+ stringPointer, // offset
+ string.length + 1 // length
+ );
+ for (let i = 0; i < string.length; i++) {
+ stringMemoryView[i] = string.charCodeAt(i);
+ }
+ stringMemoryView[string.length] = 0;
+ return stringPointer;
+}
+
+const decodeString = (stringPointer, free = true) => {
+ const memoryView = new Uint8Array(memory.buffer, stringPointer);
+ let cursor = 0;
+ let result = '';
+
+ while (memoryView[cursor] !== 0) {
+ result += String.fromCharCode(memoryView[cursor]);
+ cursor++;
+ }
+
+ if (free) {
+ wasm.wasm_free(stringPointer);
+ }
+
+ return result;
+};
+"""
+ return ''
+
+ def init_str(self):
return ""
- def native_c_unitary_enum_map(self, struct_name, variants):
- out_c = "static inline " + struct_name + " " + struct_name + "_from_js(int32_t ord) {\n"
+ def native_c_unitary_enum_map(self, struct_name, variants, enum_doc_comment):
+ out_c = "static inline LDK" + struct_name + " LDK" + struct_name + "_from_js(int32_t ord) {\n"
out_c = out_c + "\tswitch (ord) {\n"
ord_v = 0
out_typescript_enum_fields = ""
- for var in variants:
+ for var, var_docs in variants:
out_c = out_c + "\t\tcase %d: return %s;\n" % (ord_v, var)
ord_v = ord_v + 1
+ if var_docs is not None:
+ out_typescript_enum_fields += f"/**\n * {var_docs}\n */\n"
out_typescript_enum_fields += f"{var},\n\t\t\t\t"
out_c = out_c + "\t}\n"
out_c = out_c + "\tabort();\n"
out_c = out_c + "}\n"
- out_c = out_c + "static inline int32_t " + struct_name + "_to_js(" + struct_name + " val) {\n"
+ out_c = out_c + "static inline int32_t LDK" + struct_name + "_to_js(LDK" + struct_name + " val) {\n"
out_c = out_c + "\tswitch (val) {\n"
ord_v = 0
- for var in variants:
+ for var, _ in variants:
out_c = out_c + "\t\tcase " + var + ": return %d;\n" % ord_v
ord_v = ord_v + 1
out_c = out_c + "\t\tdefault: abort();\n"
export enum {struct_name} {{
{out_typescript_enum_fields}
}}
- """
+"""
return (out_c, out_typescript_enum, "")
def native_unitary_enum_to_c_call(self, ty_info):
return (ty_info.rust_obj + "_from_js(", ")")
- def c_complex_enum_pfx(self, struct_name, variants, init_meth_jty_strs):
- return ""
-
def c_complex_enum_pass_ty(self, struct_name):
return "uint32_t"
ret = ret + "; (void) " + param
return ret
- def native_c_map_trait(self, struct_name, field_var_convs, field_fn_lines):
- return ("", "")
+ def native_c_map_trait(self, struct_name, field_var_conversions, flattened_field_var_conversions, field_function_lines, trait_doc_comment):
+ out_typescript_bindings = "\n\n\n// OUT_TYPESCRIPT_BINDINGS :: MAP_TRAIT :: START\n\n"
+
+ constructor_arguments = ""
+ super_instantiator = ""
+ pointer_to_adder = ""
+ impl_constructor_arguments = ""
+ for var in flattened_field_var_conversions:
+ if isinstance(var, ConvInfo):
+ constructor_arguments += f", {first_to_lower(var.arg_name)}?: {var.java_hu_ty}"
+ impl_constructor_arguments += f", {var.arg_name}: {var.java_hu_ty}"
+ if var.from_hu_conv is not None:
+ super_instantiator += ", " + var.from_hu_conv[0]
+ if var.from_hu_conv[1] != "":
+ pointer_to_adder += var.from_hu_conv[1] + ";\n"
+ else:
+ super_instantiator += ", " + first_to_lower(var.arg_name)
+ else:
+ constructor_arguments += f", {first_to_lower(var[1])}?: bindings.{var[0]}"
+ super_instantiator += ", " + first_to_lower(var[1])
+ pointer_to_adder += "this.ptrs_to.push(" + first_to_lower(var[1]) + ");\n"
+ impl_constructor_arguments += f", {first_to_lower(var[1])}_impl: {var[0].replace('LDK', '')}.{var[0].replace('LDK', '')}Interface"
+
+ # BUILD INTERFACE METHODS
+ out_java_interface = ""
+ out_interface_implementation_overrides = ""
+ java_methods = []
+ for fn_line in field_function_lines:
+ java_method_descriptor = ""
+ if fn_line.fn_name != "free" and fn_line.fn_name != "cloned":
+ out_java_interface += fn_line.fn_name + "("
+ out_interface_implementation_overrides += f"{fn_line.fn_name} ("
- def map_complex_enum(self, struct_name, union_enum_items, map_type, camel_to_snake):
+ for idx, arg_conv_info in enumerate(fn_line.args_ty):
+ if idx >= 1:
+ out_java_interface += ", "
+ out_interface_implementation_overrides += ", "
+ out_java_interface += f"{arg_conv_info.arg_name}: {arg_conv_info.java_hu_ty}"
+ out_interface_implementation_overrides += f"{arg_conv_info.arg_name}: {arg_conv_info.java_ty}"
+ java_method_descriptor += arg_conv_info.java_fn_ty_arg
+ out_java_interface += f"): {fn_line.ret_ty_info.java_hu_ty};\n\t\t\t\t"
+ java_method_descriptor += ")" + fn_line.ret_ty_info.java_fn_ty_arg
+ java_methods.append((fn_line.fn_name, java_method_descriptor))
+
+ out_interface_implementation_overrides += f"): {fn_line.ret_ty_info.java_ty} {{\n"
+
+ interface_method_override_inset = "\t\t\t\t\t\t"
+ interface_implementation_inset = "\t\t\t\t\t\t\t"
+ for arg_info in fn_line.args_ty:
+ if arg_info.to_hu_conv is not None:
+ out_interface_implementation_overrides += interface_implementation_inset + arg_info.to_hu_conv.replace("\n", "\n\t\t\t\t") + "\n"
+
+ if fn_line.ret_ty_info.java_ty != "void":
+ out_interface_implementation_overrides += interface_implementation_inset + fn_line.ret_ty_info.java_hu_ty + " ret = arg." + fn_line.fn_name + "("
+ else:
+ out_interface_implementation_overrides += f"{interface_implementation_inset}arg." + fn_line.fn_name + "("
+
+ for idx, arg_info in enumerate(fn_line.args_ty):
+ if idx != 0:
+ out_interface_implementation_overrides += ", "
+ if arg_info.to_hu_conv_name is not None:
+ out_interface_implementation_overrides += arg_info.to_hu_conv_name
+ else:
+ out_interface_implementation_overrides += arg_info.arg_name
+
+ out_interface_implementation_overrides += ");\n"
+ if fn_line.ret_ty_info.java_ty != "void":
+ if fn_line.ret_ty_info.from_hu_conv is not None:
+ out_interface_implementation_overrides = out_interface_implementation_overrides + "\t\t\t\t" + f"result: {fn_line.ret_ty_info.java_ty} = " + fn_line.ret_ty_info.from_hu_conv[0] + ";\n"
+ if fn_line.ret_ty_info.from_hu_conv[1] != "":
+ out_interface_implementation_overrides = out_interface_implementation_overrides + "\t\t\t\t" + fn_line.ret_ty_info.from_hu_conv[1].replace("this", "impl_holder.held") + ";\n"
+ #if fn_line.ret_ty_info.rust_obj in result_types:
+ # XXX: We need to handle this in conversion logic so that its cross-language!
+ # Avoid double-free by breaking the result - we should learn to clone these and then we can be safe instead
+ # out_interface_implementation_overrides = out_interface_implementation_overrides + "\t\t\t\tret.ptr = 0;\n"
+ out_interface_implementation_overrides = out_interface_implementation_overrides + "\t\t\t\treturn result;\n"
+ else:
+ out_interface_implementation_overrides = out_interface_implementation_overrides + "\t\t\t\treturn ret;\n"
+ out_interface_implementation_overrides += f"{interface_method_override_inset}}},\n\n{interface_method_override_inset}"
+
+ trait_constructor_arguments = ""
+ for var in field_var_conversions:
+ if isinstance(var, ConvInfo):
+ trait_constructor_arguments += ", " + var.arg_name
+ else:
+ trait_constructor_arguments += ", " + var[1] + ".new_impl(" + var[1] + "_impl"
+ for suparg in var[2]:
+ if isinstance(suparg, ConvInfo):
+ trait_constructor_arguments += ", " + suparg.arg_name
+ else:
+ trait_constructor_arguments += ", " + suparg[1]
+ trait_constructor_arguments += ").bindings_instance"
+ for suparg in var[2]:
+ if isinstance(suparg, ConvInfo):
+ trait_constructor_arguments += ", " + suparg.arg_name
+ else:
+ trait_constructor_arguments += ", " + suparg[1]
+
+ out_typescript_human = f"""
+ {self.hu_struct_file_prefix}
+
+ export class {struct_name.replace("LDK","")} extends CommonBase {{
+
+ bindings_instance?: bindings.{struct_name};
+
+ constructor(ptr?: number, arg?: bindings.{struct_name}{constructor_arguments}) {{
+ if (Number.isFinite(ptr)) {{
+ super(ptr);
+ this.bindings_instance = null;
+ }} else {{
+ // TODO: private constructor instantiation
+ super(bindings.{struct_name}_new(arg{super_instantiator}));
+ this.ptrs_to.push(arg);
+ {pointer_to_adder}
+ }}
+ }}
+
+ protected finalize() {{
+ if (this.ptr != 0) {{
+ bindings.{struct_name.replace("LDK","")}_free(this.ptr);
+ }}
+ super.finalize();
+ }}
+
+ static new_impl(arg: {struct_name.replace("LDK", "")}Interface{impl_constructor_arguments}): {struct_name.replace("LDK", "")} {{
+ const impl_holder: {struct_name}Holder = new {struct_name}Holder();
+ let structImplementation = <bindings.{struct_name}>{{
+ // todo: in-line interface filling
+ {out_interface_implementation_overrides}
+ }};
+ impl_holder.held = new {struct_name.replace("LDK", "")} (null, structImplementation{trait_constructor_arguments});
+ }}
+ }}
+
+ export interface {struct_name.replace("LDK", "")}Interface {{
+ {out_java_interface}
+ }}
+
+ class {struct_name}Holder {{
+ held: {struct_name.replace("LDK", "")};
+ }}
+"""
+
+ out_typescript_bindings += "\t\texport interface " + struct_name + " {\n"
+ java_meths = []
+ for fn_line in field_function_lines:
+ if fn_line.fn_name != "free" and fn_line.fn_name != "cloned":
+ out_typescript_bindings += f"\t\t\t{fn_line.fn_name} ("
+
+ for idx, arg_conv_info in enumerate(fn_line.args_ty):
+ if idx >= 1:
+ out_typescript_bindings = out_typescript_bindings + ", "
+ out_typescript_bindings += f"{arg_conv_info.arg_name}: {arg_conv_info.java_ty}"
+
+ out_typescript_bindings += f"): {fn_line.ret_ty_info.java_ty};\n"
+
+ out_typescript_bindings = out_typescript_bindings + "\t\t}\n\n"
+
+ out_typescript_bindings += f"\t\texport function {struct_name}_new(impl: {struct_name}"
+ for var in flattened_field_var_conversions:
+ if isinstance(var, ConvInfo):
+ out_typescript_bindings += f", {var.arg_name}: {var.java_ty}"
+ else:
+ out_typescript_bindings += f", {var[1]}: {var[0]}"
+
+ out_typescript_bindings += f"""): number {{
+ throw new Error('unimplemented'); // TODO: bind to WASM
+ }}
+"""
+
+ out_typescript_bindings += '\n// OUT_TYPESCRIPT_BINDINGS :: MAP_TRAIT :: END\n\n\n'
+
+ # Now that we've written out our java code (and created java_meths), generate C
+ out_c = "typedef struct " + struct_name + "_JCalls {\n"
+ out_c = out_c + "\tatomic_size_t refcnt;\n"
+ for var in flattened_field_var_conversions:
+ if isinstance(var, ConvInfo):
+ # We're a regular ol' field
+ pass
+ else:
+ # We're a supertrait
+ out_c = out_c + "\t" + var[0] + "_JCalls* " + var[1] + ";\n"
+ for fn in field_function_lines:
+ if fn.fn_name != "free" and fn.fn_name != "cloned":
+ out_c = out_c + "\tuint32_t " + fn.fn_name + "_meth;\n"
+ out_c = out_c + "} " + struct_name + "_JCalls;\n"
+
+ for fn_line in field_function_lines:
+ if fn_line.fn_name == "free":
+ out_c = out_c + "static void " + struct_name + "_JCalls_free(void* this_arg) {\n"
+ out_c = out_c + "\t" + struct_name + "_JCalls *j_calls = (" + struct_name + "_JCalls*) this_arg;\n"
+ out_c = out_c + "\tif (atomic_fetch_sub_explicit(&j_calls->refcnt, 1, memory_order_acquire) == 1) {\n"
+ for fn in field_function_lines:
+ if fn.fn_name != "free" and fn.fn_name != "cloned":
+ out_c = out_c + "\t\tjs_free(j_calls->" + fn.fn_name + "_meth);\n"
+ out_c = out_c + "\t\tFREE(j_calls);\n"
+ out_c = out_c + "\t}\n}\n"
+
+ for idx, fn_line in enumerate(field_function_lines):
+ if fn_line.fn_name != "free" and fn_line.fn_name != "cloned":
+ assert fn_line.ret_ty_info.ty_info.get_full_rust_ty()[1] == ""
+ out_c = out_c + fn_line.ret_ty_info.ty_info.get_full_rust_ty()[0] + " " + fn_line.fn_name + "_" + struct_name + "_jcall("
+ if fn_line.self_is_const:
+ out_c = out_c + "const void* this_arg"
+ else:
+ out_c = out_c + "void* this_arg"
+
+ for idx, arg in enumerate(fn_line.args_ty):
+ out_c = out_c + ", " + arg.ty_info.get_full_rust_ty()[0] + " " + arg.arg_name + arg.ty_info.get_full_rust_ty()[1]
+
+ out_c = out_c + ") {\n"
+ out_c = out_c + "\t" + struct_name + "_JCalls *j_calls = (" + struct_name + "_JCalls*) this_arg;\n"
+
+ for arg_info in fn_line.args_ty:
+ if arg_info.ret_conv is not None:
+ out_c = out_c + "\t" + arg_info.ret_conv[0].replace('\n', '\n\t')
+ out_c = out_c + arg_info.arg_name
+ out_c = out_c + arg_info.ret_conv[1].replace('\n', '\n\t') + "\n"
+
+ if fn_line.ret_ty_info.c_ty.endswith("Array"):
+ out_c = out_c + "\t" + fn_line.ret_ty_info.c_ty + " ret = js_invoke_function_" + str(len(fn_line.args_ty)) + "(j_calls->" + fn_line.fn_name + "_meth"
+ elif fn_line.ret_ty_info.java_ty == "void":
+ out_c = out_c + "\tjs_invoke_function_" + str(len(fn_line.args_ty)) + "(j_calls->" + fn_line.fn_name + "_meth"
+ elif fn_line.ret_ty_info.java_ty == "String":
+ out_c = out_c + "\tuint32_t ret = js_invoke_function_" + str(len(fn_line.args_ty)) + "(j_calls->" + fn_line.fn_name + "_meth"
+ elif not fn_line.ret_ty_info.passed_as_ptr:
+ out_c = out_c + "\treturn js_invoke_function_" + str(len(fn_line.args_ty)) + "(j_calls->" + fn_line.fn_name + "_meth"
+ else:
+ out_c = out_c + "\tuint32_t ret = js_invoke_function_" + str(len(fn_line.args_ty)) + "(j_calls->" + fn_line.fn_name + "_meth"
+
+ for idx, arg_info in enumerate(fn_line.args_ty):
+ if arg_info.ret_conv is not None:
+ out_c = out_c + ", " + arg_info.ret_conv_name
+ else:
+ out_c = out_c + ", " + arg_info.arg_name
+ out_c = out_c + ");\n"
+ if fn_line.ret_ty_info.arg_conv is not None:
+ out_c = out_c + "\t" + fn_line.ret_ty_info.arg_conv.replace("\n", "\n\t") + "\n\treturn " + fn_line.ret_ty_info.arg_conv_name + ";\n"
+
+ out_c = out_c + "}\n"
+
+ # Write out a clone function whether we need one or not, as we use them in moving to rust
+ out_c = out_c + "static void " + struct_name + "_JCalls_cloned(" + struct_name + "* new_obj) {\n"
+ out_c = out_c + "\t" + struct_name + "_JCalls *j_calls = (" + struct_name + "_JCalls*) new_obj->this_arg;\n"
+ out_c = out_c + "\tatomic_fetch_add_explicit(&j_calls->refcnt, 1, memory_order_release);\n"
+ for var in field_var_conversions:
+ if not isinstance(var, ConvInfo):
+ out_c = out_c + "\tatomic_fetch_add_explicit(&j_calls->" + var[1] + "->refcnt, 1, memory_order_release);\n"
+ out_c = out_c + "}\n"
+
+ out_c = out_c + "static inline " + struct_name + " " + struct_name + "_init (/*TODO: JS Object Reference */void* o"
+ for var in flattened_field_var_conversions:
+ if isinstance(var, ConvInfo):
+ out_c = out_c + ", " + var.c_ty + " " + var.arg_name
+ else:
+ out_c = out_c + ", /*TODO: JS Object Reference */void* " + var[1]
+ out_c = out_c + ") {\n"
+
+ out_c = out_c + "\t" + struct_name + "_JCalls *calls = MALLOC(sizeof(" + struct_name + "_JCalls), \"" + struct_name + "_JCalls\");\n"
+ out_c = out_c + "\tatomic_init(&calls->refcnt, 1);\n"
+ out_c = out_c + "\t//TODO: Assign calls->o from o\n"
+
+ for (fn_name, java_meth_descr) in java_meths:
+ if fn_name != "free" and fn_name != "cloned":
+ out_c = out_c + "\tcalls->" + fn_name + "_meth = (*env)->GetMethodID(env, c, \"" + fn_name + "\", \"" + java_meth_descr + "\");\n"
+ out_c = out_c + "\tCHECK(calls->" + fn_name + "_meth != NULL);\n"
+
+ for var in flattened_field_var_conversions:
+ if isinstance(var, ConvInfo) and var.arg_conv is not None:
+ out_c = out_c + "\n\t" + var.arg_conv.replace("\n", "\n\t") +"\n"
+ out_c = out_c + "\n\t" + struct_name + " ret = {\n"
+ out_c = out_c + "\t\t.this_arg = (void*) calls,\n"
+ for fn_line in field_function_lines:
+ if fn_line.fn_name != "free" and fn_line.fn_name != "cloned":
+ out_c = out_c + "\t\t." + fn_line.fn_name + " = " + fn_line.fn_name + "_" + struct_name + "_jcall,\n"
+ elif fn_line.fn_name == "free":
+ out_c = out_c + "\t\t.free = " + struct_name + "_JCalls_free,\n"
+ else:
+ out_c = out_c + "\t\t.cloned = " + struct_name + "_JCalls_cloned,\n"
+ for var in field_var_conversions:
+ if isinstance(var, ConvInfo):
+ if var.arg_conv_name is not None:
+ out_c = out_c + "\t\t." + var.arg_name + " = " + var.arg_conv_name + ",\n"
+ out_c = out_c + "\t\t.set_" + var.arg_name + " = NULL,\n"
+ else:
+ out_c = out_c + "\t\t." + var.var_name + " = " + var.var_name + ",\n"
+ out_c = out_c + "\t\t.set_" + var.var_name + " = NULL,\n"
+ else:
+ out_c += "\t\t." + var[1] + " = " + var[0] + "_init(" + var[1]
+ for suparg in var[2]:
+ if isinstance(suparg, ConvInfo):
+ out_c += ", " + suparg.arg_name
+ else:
+ out_c += ", " + suparg[1]
+ out_c += "),\n"
+ out_c = out_c + "\t};\n"
+ for var in flattened_field_var_conversions:
+ if not isinstance(var, ConvInfo):
+ out_c = out_c + "\tcalls->" + var[1] + " = ret." + var[1] + ".this_arg;\n"
+ out_c = out_c + "\treturn ret;\n"
+ out_c = out_c + "}\n"
+
+ out_c = out_c + self.c_fn_ty_pfx + "long " + self.c_fn_name_define_pfx(struct_name + "_new", True) + "/*TODO: JS Object Reference */void* o"
+ for var in flattened_field_var_conversions:
+ if isinstance(var, ConvInfo):
+ out_c = out_c + ", " + var.c_ty + " " + var.arg_name
+ else:
+ out_c = out_c + ", /*TODO: JS Object Reference */ void* " + var[1]
+ out_c = out_c + ") {\n"
+ out_c = out_c + "\t" + struct_name + " *res_ptr = MALLOC(sizeof(" + struct_name + "), \"" + struct_name + "\");\n"
+ out_c = out_c + "\t*res_ptr = " + struct_name + "_init(o"
+ for var in flattened_field_var_conversions:
+ if isinstance(var, ConvInfo):
+ out_c = out_c + ", " + var.arg_name
+ else:
+ out_c = out_c + ", " + var[1]
+ out_c = out_c + ");\n"
+ out_c = out_c + "\treturn (long)res_ptr;\n"
+ out_c = out_c + "}\n"
+
+ return (out_typescript_bindings, out_typescript_human, out_c)
+
+ def trait_struct_inc_refcnt(self, ty_info):
+ return ""
+
+ def map_complex_enum(self, struct_name, variant_list, camel_to_snake, enum_doc_comment):
java_hu_type = struct_name.replace("LDK", "")
out_java_enum = ""
out_java_enum += (f"\t\tconst raw_val: bindings.{struct_name} = bindings." + struct_name + "_ref_from_ptr(ptr);\n")
java_hu_subclasses = ""
- tag_field_lines = union_enum_items["field_lines"]
- init_meth_jty_strs = {}
- for idx, struct_line in enumerate(tag_field_lines):
- if idx == 0:
- assert(struct_line == "typedef enum %s_Tag {" % struct_name)
- elif idx == len(tag_field_lines) - 3:
- assert(struct_line.endswith("_Sentinel,"))
- elif idx == len(tag_field_lines) - 2:
- assert(struct_line == "} %s_Tag;" % struct_name)
- elif idx == len(tag_field_lines) - 1:
- assert(struct_line == "")
-
out_java += ("\tpublic static class " + struct_name + " {\n")
out_java += ("\t\tprivate " + struct_name + "() {}\n")
- for idx, struct_line in enumerate(tag_field_lines):
- if idx != 0 and idx < len(tag_field_lines) - 3:
- var_name = struct_line.strip(' ,')[len(struct_name) + 1:]
- out_java += ("\t\texport class " + var_name + " extends " + struct_name + " {\n")
- java_hu_subclasses = java_hu_subclasses + "export class " + var_name + " extends " + java_hu_type + " {\n"
- out_java_enum += ("\t\tif (raw_val instanceof bindings." + struct_name + "." + var_name + ") {\n")
- out_java_enum += ("\t\t\treturn new " + var_name + "(this.ptr, raw_val);\n")
- init_meth_jty_str = ""
- init_meth_params = ""
- init_meth_body = ""
- hu_conv_body = ""
- if "LDK" + var_name in union_enum_items:
- enum_var_lines = union_enum_items["LDK" + var_name]
- for idx, field in enumerate(enum_var_lines):
- if idx != 0 and idx < len(enum_var_lines) - 2:
- field_ty = map_type(field.strip(' ;'), False, None, False, True)
- out_java += ("\t\t\tpublic " + field_ty.java_ty + " " + field_ty.arg_name + ";\n")
- java_hu_subclasses = java_hu_subclasses + "\tpublic " + field_ty.arg_name + f": {field_ty.java_hu_ty};\n"
- if field_ty.to_hu_conv is not None:
- hu_conv_body = hu_conv_body + "\t\tconst " + field_ty.arg_name + f": {field_ty.java_ty} = obj." + field_ty.arg_name + ";\n"
- hu_conv_body = hu_conv_body + "\t\t" + field_ty.to_hu_conv.replace("\n", "\n\t\t\t") + "\n"
- hu_conv_body = hu_conv_body + "\t\tthis." + field_ty.arg_name + " = " + field_ty.to_hu_conv_name + ";\n"
- else:
- hu_conv_body = hu_conv_body + "\t\tthis." + field_ty.arg_name + " = obj." + field_ty.arg_name + ";\n"
- init_meth_jty_str = init_meth_jty_str + field_ty.java_fn_ty_arg
- if idx > 1:
- init_meth_params = init_meth_params + ", "
- init_meth_params = init_meth_params + field_ty.java_ty + " " + field_ty.arg_name
- init_meth_body = init_meth_body + "this." + field_ty.arg_name + " = " + field_ty.arg_name + "; "
- out_java += ("\t\t\t" + var_name + "(" + init_meth_params + ") { ")
- out_java += (init_meth_body)
- out_java += ("}\n")
- out_java += ("\t\t}\n")
- out_java_enum += ("\t\t}\n")
- java_hu_subclasses = java_hu_subclasses + "\tprivate constructor(ptr: number, obj: bindings." + struct_name + "." + var_name + ") {\n\t\tsuper(null, ptr);\n"
- java_hu_subclasses = java_hu_subclasses + hu_conv_body
- java_hu_subclasses = java_hu_subclasses + "\t}\n}\n"
- init_meth_jty_strs[var_name] = init_meth_jty_str
+ for var in variant_list:
+ out_java += ("\t\texport class " + var.var_name + " extends " + struct_name + " {\n")
+ java_hu_subclasses = java_hu_subclasses + "export class " + var.var_name + " extends " + java_hu_type + " {\n"
+ out_java_enum += ("\t\tif (raw_val instanceof bindings." + struct_name + "." + var.var_name + ") {\n")
+ out_java_enum += ("\t\t\treturn new " + var.var_name + "(this.ptr, raw_val);\n")
+ init_meth_params = ""
+ init_meth_body = ""
+ hu_conv_body = ""
+ for idx, (field_ty, field_docs) in enumerate(var.fields):
+ out_java += ("\t\t\tpublic " + field_ty.java_ty + " " + field_ty.arg_name + ";\n")
+ java_hu_subclasses = java_hu_subclasses + "\tpublic " + field_ty.arg_name + f": {field_ty.java_hu_ty};\n"
+ if field_ty.to_hu_conv is not None:
+ hu_conv_body = hu_conv_body + "\t\tconst " + field_ty.arg_name + f": {field_ty.java_ty} = obj." + field_ty.arg_name + ";\n"
+ hu_conv_body = hu_conv_body + "\t\t" + field_ty.to_hu_conv.replace("\n", "\n\t\t\t") + "\n"
+ hu_conv_body = hu_conv_body + "\t\tthis." + field_ty.arg_name + " = " + field_ty.to_hu_conv_name + ";\n"
+ else:
+ hu_conv_body = hu_conv_body + "\t\tthis." + field_ty.arg_name + " = obj." + field_ty.arg_name + ";\n"
+ if idx > 0:
+ init_meth_params = init_meth_params + ", "
+ init_meth_params = init_meth_params + field_ty.java_ty + " " + field_ty.arg_name
+ init_meth_body = init_meth_body + "this." + field_ty.arg_name + " = " + field_ty.arg_name + "; "
+ out_java += ("\t\t\t" + var.var_name + "(" + init_meth_params + ") { ")
+ out_java += (init_meth_body)
+ out_java += ("}\n")
+ out_java += ("\t\t}\n")
+ out_java_enum += ("\t\t}\n")
+ java_hu_subclasses = java_hu_subclasses + "\tprivate constructor(ptr: number, obj: bindings." + struct_name + "." + var.var_name + ") {\n\t\tsuper(null, ptr);\n"
+ java_hu_subclasses = java_hu_subclasses + hu_conv_body
+ java_hu_subclasses = java_hu_subclasses + "\t}\n}\n"
out_java += ("\t\tstatic native void init();\n")
out_java += ("\t}\n")
out_java_enum += ("\t\tthrow new Error('oops, this should be unreachable'); // Unreachable without extending the (internal) bindings interface\n\t}\n\n")
out_java += ("\tstatic { " + struct_name + ".init(); }\n")
out_java += ("\tpublic static native " + struct_name + " " + struct_name + "_ref_from_ptr(long ptr);\n");
- out_c += (self.c_complex_enum_pfx(struct_name, [x.strip(", ")[len(struct_name) + 1:] for x in tag_field_lines[1:-3]], init_meth_jty_strs))
-
- out_c += (self.c_fn_ty_pfx + self.c_complex_enum_pass_ty(struct_name) + " " + self.c_fn_name_pfx + struct_name.replace("_", "_1") + "_1ref_1from_1ptr (" + self.c_fn_args_pfx + ", " + self.ptr_c_ty + " ptr) {\n")
- out_c += ("\t" + struct_name + " *obj = (" + struct_name + "*)ptr;\n")
+ out_c += (self.c_fn_ty_pfx + self.c_complex_enum_pass_ty(struct_name) + self.c_fn_name_define_pfx(struct_name + "_ref_from_ptr", True) + self.ptr_c_ty + " ptr) {\n")
+ out_c += ("\t" + struct_name + " *obj = (" + struct_name + "*)(ptr & ~1);\n")
out_c += ("\tswitch(obj->tag) {\n")
- for idx, struct_line in enumerate(tag_field_lines):
- if idx != 0 and idx < len(tag_field_lines) - 3:
- var_name = struct_line.strip(' ,')[len(struct_name) + 1:]
- out_c += ("\t\tcase " + struct_name + "_" + var_name + ": {\n")
- c_params = []
- if "LDK" + var_name in union_enum_items:
- enum_var_lines = union_enum_items["LDK" + var_name]
- for idx, field in enumerate(enum_var_lines):
- if idx != 0 and idx < len(enum_var_lines) - 2:
- field_map = map_type(field.strip(' ;'), False, None, False, True)
- if field_map.ret_conv is not None:
- out_c += ("\t\t\t" + field_map.ret_conv[0].replace("\n", "\n\t\t\t"))
- out_c += ("obj->" + camel_to_snake(var_name) + "." + field_map.arg_name)
- out_c += (field_map.ret_conv[1].replace("\n", "\n\t\t\t") + "\n")
- c_params.append(field_map.ret_conv_name)
- else:
- c_params.append("obj->" + camel_to_snake(var_name) + "." + field_map.arg_name)
- out_c += ("\t\t\treturn " + self.c_constr_native_complex_enum(struct_name, var_name, c_params) + ";\n")
- out_c += ("\t\t}\n")
+ for var in variant_list:
+ out_c += ("\t\tcase " + struct_name + "_" + var.var_name + ": {\n")
+ c_params = []
+ for idx, (field_map, _) in enumerate(var.fields):
+ if field_map.ret_conv is not None:
+ out_c += ("\t\t\t" + field_map.ret_conv[0].replace("\n", "\n\t\t\t"))
+ if var.tuple_variant:
+ out_c += "obj->" + camel_to_snake(var.var_name)
+ else:
+ out_c += "obj->" + camel_to_snake(var.var_name) + "." + field_map.arg_name
+ out_c += (field_map.ret_conv[1].replace("\n", "\n\t\t\t") + "\n")
+ c_params.append(field_map.ret_conv_name)
+ else:
+ if var.tuple_variant:
+ c_params.append("obj->" + camel_to_snake(var.var_name))
+ else:
+ c_params.append("obj->" + camel_to_snake(var.var_name) + "." + field_map.arg_name)
+ out_c += ("\t\t\treturn " + self.c_constr_native_complex_enum(struct_name, var.var_name, c_params) + ";\n")
+ out_c += ("\t\t}\n")
out_c += ("\t\tdefault: abort();\n")
out_c += ("\t}\n}\n")
out_java_enum += ("}\n")
out_java_enum += (java_hu_subclasses)
return (out_java, out_java_enum, out_c)
+ def map_opaque_struct(self, struct_name, struct_doc_comment):
+ implementations = ""
+ method_header = ""
+ if struct_name.startswith("LDKLocked"):
+ implementations += "implements AutoCloseable "
+ method_header = """
+ public close() {
+"""
+ else:
+ method_header = """
+ protected finalize() {
+ super.finalize();
+"""
+
+ out_opaque_struct_human = f"""
+ {self.hu_struct_file_prefix}
+
+ export default class {struct_name.replace("LDK","")} extends CommonBase {implementations}{{
+ constructor(_dummy: object, ptr: number) {{
+ super(ptr);
+ }}
+
+ {method_header}
+ if (this.ptr != 0) {{
+ bindings.{struct_name.replace("LDK","")}_free(this.ptr);
+ }}
+ }}
+"""
+ return out_opaque_struct_human
+
+ def map_tuple(self, struct_name):
+ return self.map_opaque_struct(struct_name, "A Tuple")
+
+ def map_function(self, argument_types, c_call_string, method_name, meth_n, return_type_info, struct_meth, default_constructor_args, takes_self, takes_self_as_ref, args_known, type_mapping_generator, doc_comment):
+ out_java = ""
+ out_c = ""
+ out_java_struct = None
+
+ out_java += ("\tpublic static native ")
+ out_c += (self.c_fn_ty_pfx)
+ out_c += (return_type_info.c_ty)
+ out_java += (return_type_info.java_ty)
+ if return_type_info.ret_conv is not None:
+ ret_conv_pfx, ret_conv_sfx = return_type_info.ret_conv
+ out_java += (" " + method_name + "(")
+ out_c += (" " + self.c_fn_name_define_pfx(method_name, True))
+ method_argument_string = ""
+ native_call_argument_string = ""
+ for idx, arg_conv_info in enumerate(argument_types):
+ if idx != 0:
+ method_argument_string += (", ")
+ native_call_argument_string += ', '
+ out_c += (", ")
+ if arg_conv_info.c_ty != "void":
+ out_c += (arg_conv_info.c_ty + " " + arg_conv_info.arg_name)
+ needs_encoding = arg_conv_info.c_ty in self.wasm_encoding_map
+ native_argument = arg_conv_info.arg_name
+ if needs_encoding:
+ converter = self.wasm_encoding_map[arg_conv_info.c_ty]
+ native_argument = f"{converter}({arg_conv_info.arg_name})"
+ method_argument_string += f"{arg_conv_info.arg_name}: {arg_conv_info.java_ty}"
+ native_call_argument_string += native_argument
+
+ has_return_value = return_type_info.c_ty != 'void'
+ needs_decoding = return_type_info.c_ty in self.wasm_decoding_map
+ return_statement = 'return nativeResponseValue;'
+ if not has_return_value:
+ return_statement = '// debug statements here'
+ elif needs_decoding:
+ converter = self.wasm_decoding_map[return_type_info.c_ty]
+ return_statement = f"return {converter}(nativeResponseValue);"
+
+ out_java = f"""\texport function {method_name}({method_argument_string}): {return_type_info.java_ty} {{
+ if(!isWasmInitialized) {{
+ throw new Error("initializeWasm() must be awaited first!");
+ }}
+ const nativeResponseValue = wasm.{method_name}({native_call_argument_string});
+ {return_statement}
+ }}
+"""
+
+ out_java_struct = ""
+ if not args_known:
+ out_java_struct += ("\t// Skipped " + method_name + "\n")
+ else:
+ if not takes_self:
+ out_java_struct += (
+ "\tpublic static " + return_type_info.java_hu_ty + " constructor_" + meth_n + "(")
+ else:
+ out_java_struct += ("\tpublic " + return_type_info.java_hu_ty + " " + meth_n + "(")
+ for idx, arg in enumerate(argument_types):
+ if idx != 0:
+ if not takes_self or idx > 1:
+ out_java_struct += (", ")
+ elif takes_self:
+ continue
+ if arg.java_ty != "void":
+ if arg.arg_name in default_constructor_args:
+ for explode_idx, explode_arg in enumerate(default_constructor_args[arg.arg_name]):
+ if explode_idx != 0:
+ out_java_struct += (", ")
+ out_java_struct += (
+ explode_arg.java_hu_ty + " " + arg.arg_name + "_" + explode_arg.arg_name)
+ else:
+ out_java_struct += (arg.java_hu_ty + " " + arg.arg_name)
+
+ out_c += (") {\n")
+ if out_java_struct is not None:
+ out_java_struct += (") {\n")
+ for info in argument_types:
+ if info.arg_conv is not None:
+ out_c += ("\t" + info.arg_conv.replace('\n', "\n\t") + "\n")
+ if return_type_info.ret_conv is not None:
+ out_c += ("\t" + ret_conv_pfx.replace('\n', '\n\t'))
+ elif return_type_info.c_ty != "void":
+ out_c += ("\t" + return_type_info.c_ty + " ret_val = ")
+ else:
+ out_c += ("\t")
+ if c_call_string is None:
+ out_c += (method_name + "(")
+ else:
+ out_c += (c_call_string)
+ for idx, info in enumerate(argument_types):
+ if info.arg_conv_name is not None:
+ if idx != 0:
+ out_c += (", ")
+ elif c_call_string is not None:
+ continue
+ out_c += (info.arg_conv_name)
+ out_c += (")")
+ if return_type_info.ret_conv is not None:
+ out_c += (ret_conv_sfx.replace('\n', '\n\t'))
+ else:
+ out_c += (";")
+ for info in argument_types:
+ if info.arg_conv_cleanup is not None:
+ out_c += ("\n\t" + info.arg_conv_cleanup.replace("\n", "\n\t"))
+ if return_type_info.ret_conv is not None:
+ out_c += ("\n\treturn " + return_type_info.ret_conv_name + ";")
+ elif return_type_info.c_ty != "void":
+ out_c += ("\n\treturn ret_val;")
+ out_c += ("\n}\n\n")
-def camel_to_snake_case(str):
- res = [str[0].lower()]
- for i in range(1, len(str)):
- current_char = str[i]
+ if args_known:
+ out_java_struct += ("\t\t")
+ if return_type_info.java_ty != "void":
+ out_java_struct += (return_type_info.java_ty + " ret = ")
+ out_java_struct += ("bindings." + method_name + "(")
+ for idx, info in enumerate(argument_types):
+ if idx != 0:
+ out_java_struct += (", ")
+ if idx == 0 and takes_self:
+ out_java_struct += ("this.ptr")
+ elif info.arg_name in default_constructor_args:
+ out_java_struct += ("bindings." + info.java_hu_ty + "_new(")
+ for explode_idx, explode_arg in enumerate(default_constructor_args[info.arg_name]):
+ if explode_idx != 0:
+ out_java_struct += (", ")
+ expl_arg_name = info.arg_name + "_" + explode_arg.arg_name
+ if explode_arg.from_hu_conv is not None:
+ out_java_struct += (
+ explode_arg.from_hu_conv[0].replace(explode_arg.arg_name, expl_arg_name))
+ else:
+ out_java_struct += (expl_arg_name)
+ out_java_struct += (")")
+ elif info.from_hu_conv is not None:
+ out_java_struct += (info.from_hu_conv[0])
+ else:
+ out_java_struct += (info.arg_name)
+ out_java_struct += (");\n")
+ if return_type_info.to_hu_conv is not None:
+ if not takes_self:
+ out_java_struct += ("\t\t" + return_type_info.to_hu_conv.replace("\n", "\n\t\t").replace("this",
+ return_type_info.to_hu_conv_name) + "\n")
+ else:
+ out_java_struct += ("\t\t" + return_type_info.to_hu_conv.replace("\n", "\n\t\t") + "\n")
- previous_char = None
- next_char = None
- if i > 0:
- previous_char = str[i - 1]
- if i < len(str) - 1:
- next_char = str[i + 1]
+ for idx, info in enumerate(argument_types):
+ if idx == 0 and takes_self:
+ pass
+ elif info.arg_name in default_constructor_args:
+ for explode_arg in default_constructor_args[info.arg_name]:
+ expl_arg_name = info.arg_name + "_" + explode_arg.arg_name
+ if explode_arg.from_hu_conv is not None and return_type_info.to_hu_conv_name:
+ out_java_struct += ("\t\t" + explode_arg.from_hu_conv[1].replace(explode_arg.arg_name,
+ expl_arg_name).replace(
+ "this", return_type_info.to_hu_conv_name) + ";\n")
+ elif info.from_hu_conv is not None and info.from_hu_conv[1] != "":
+ if not takes_self and return_type_info.to_hu_conv_name is not None:
+ out_java_struct += (
+ "\t\t" + info.from_hu_conv[1].replace("this", return_type_info.to_hu_conv_name).replace("\n", "\n\t\t") + ";\n")
+ else:
+ out_java_struct += ("\t\t" + info.from_hu_conv[1].replace("\n", "\n\t\t") + ";\n")
- if current_char.isupper() and previous_char is not None:
- if previous_char.islower() or (next_char is not None and next_char.islower()):
- res.append('_')
- res.append(current_char.lower())
- continue
- res.append(current_char.lower())
+ if return_type_info.to_hu_conv_name is not None:
+ out_java_struct += ("\t\treturn " + return_type_info.to_hu_conv_name + ";\n")
+ elif return_type_info.java_ty != "void" and return_type_info.rust_obj != "LDK" + struct_meth:
+ out_java_struct += ("\t\treturn ret;\n")
+ out_java_struct += ("\t}\n\n")
- return ''.join(res)
+ return (out_java, out_c, out_java_struct)