X-Git-Url: http://git.bitcoin.ninja/index.cgi?p=ldk-java;a=blobdiff_plain;f=typescript_strings.py;h=625716806f5f15c516286d0ac8ac7a9389151ca8;hp=54e74e8baa08608cdaca5e945e7740378bae9c9b;hb=HEAD;hpb=d92550f4393c3d05c517beab50dbfaf96aa94f5f diff --git a/typescript_strings.py b/typescript_strings.py index 54e74e8b..9704a48f 100644 --- a/typescript_strings.py +++ b/typescript_strings.py @@ -17,10 +17,13 @@ class Consts: self.function_ptr_counter = 0 self.function_ptrs = {} self.c_type_map = dict( + bool = ['boolean', 'boolean', 'XXX'], uint8_t = ['number', 'number', 'Uint8Array'], uint16_t = ['number', 'number', 'Uint16Array'], uint32_t = ['number', 'number', 'Uint32Array'], + int64_t = ['bigint', 'bigint', 'BigInt64Array'], uint64_t = ['bigint', 'bigint', 'BigUint64Array'], + double = ['number', 'number', 'Float64Array'], ) self.java_type_map = dict( String = "number" @@ -34,46 +37,396 @@ class Consts: default = 'const {var_name}_hu_conv: {human_type} = new {human_type}(null, {var_name});', ) - self.bindings_header = self.wasm_import_header(target) + self.bindings_header = """ +import * as version from './version.mjs'; +import { UInt5, WitnessVersion } from './structs/CommonBase.mjs'; + +const imports: any = {}; +imports.env = {}; + +var js_objs: Array> = []; +var js_invoke: Function; +var getRandomValues: Function; + +imports.wasi_snapshot_preview1 = { + "fd_write": (fd: number, iovec_array_ptr: number, iovec_array_len: number, bytes_written_ptr: number) => { + // This should generally only be used to print panic messages + const ptr_len_view = new Uint32Array(wasm.memory.buffer, iovec_array_ptr, iovec_array_len * 2); + var bytes_written = 0; + for (var i = 0; i < iovec_array_len; i++) { + const bytes_view = new Uint8Array(wasm.memory.buffer, ptr_len_view[i*2], ptr_len_view[i*2+1]); + console.log("[fd " + fd + "]: " + String.fromCharCode(...bytes_view)); + bytes_written += ptr_len_view[i*2+1]!; + } + const written_view = new Uint32Array(wasm.memory.buffer, bytes_written_ptr, 1); + written_view[0] = bytes_written; + return 0; + }, + "fd_close": (_fd: number) => { + // This is not generally called, but may be referenced in debug builds + console.log("wasi_snapshot_preview1:fd_close"); + return 58; // Not Supported + }, + "fd_seek": (_fd: number, _offset: bigint, _whence: number, _new_offset: number) => { + // This is not generally called, but may be referenced in debug builds + console.log("wasi_snapshot_preview1:fd_seek"); + return 58; // Not Supported + }, + "random_get": (buf_ptr: number, buf_len: number) => { + const buf = new Uint8Array(wasm.memory.buffer, buf_ptr, buf_len); + getRandomValues(buf); + return 0; + }, + "environ_sizes_get": (environ_var_count_ptr: number, environ_len_ptr: number) => { + // This is called before fd_write to format + print panic messages + const out_count_view = new Uint32Array(wasm.memory.buffer, environ_var_count_ptr, 1); + out_count_view[0] = 0; + const out_len_view = new Uint32Array(wasm.memory.buffer, environ_len_ptr, 1); + out_len_view[0] = 0; + return 0; + }, + "environ_get": (_environ_ptr: number, _environ_buf_ptr: number) => { + // This is called before fd_write to format + print panic messages, + // but only if we have variables in environ_sizes_get, so shouldn't ever actually happen! + console.log("wasi_snapshot_preview1:environ_get"); + return 58; // Note supported - we said there were 0 environment entries! + }, + "proc_exit" : () => { + console.log("wasi_snapshot_preview1:proc_exit"); + }, +}; + +var wasm: any = null; +let isWasmInitialized: boolean = false; + +async function finishInitializeWasm(wasmInstance: WebAssembly.Instance) { + if (typeof crypto === "undefined") { + var crypto_import = (await import('crypto')).webcrypto; + getRandomValues = crypto_import.getRandomValues.bind(crypto_import); + } else { + getRandomValues = crypto.getRandomValues.bind(crypto); + } + + wasm = wasmInstance.exports; + if (!wasm.test_bigint_pass_deadbeef0badf00d(BigInt("0xdeadbeef0badf00d"))) { + throw new Error(\"Currently need BigInt-as-u64 support, try ----experimental-wasm-bigint"); + } + + if (decodeString(wasm.TS_get_lib_version_string()) !== version.get_ldk_java_bindings_version()) + throw new Error(\"Compiled LDK library and LDK class files do not match\"); + // Fetching the LDK versions from C also checks that the header and binaries match + const c_bindings_ver: number = wasm.TS_get_ldk_c_bindings_version(); + const ldk_ver: number = wasm.TS_get_ldk_version(); + if (c_bindings_ver == 0) + throw new Error(\"LDK version did not match the header we built against\"); + if (ldk_ver == 0) + throw new Error(\"LDK C bindings version did not match the header we built against\"); + const c_bindings_version: string = decodeString(c_bindings_ver) + const ldk_version: string = decodeString(ldk_ver); + console.log(\"Loaded LDK-Java Bindings with LDK \" + ldk_version + \" and LDK-C-Bindings \" + c_bindings_version); + + isWasmInitialized = true; +} + +const fn_list = ["uuuuuu", "buuuuu", "bbuuuu", "bbbuuu", "bbbbuu", "bbbbbu", + "bbbbbb", "ubuubu", "ubuuuu", "ubbuuu", "uubuuu", "uubbuu", "uububu", "ububuu", "uuuubu"]; + +/* @internal */ +export async function initializeWasmFromUint8Array(wasmBinary: Uint8Array) { + for (const fn of fn_list) { imports.env["js_invoke_function_" + fn] = js_invoke; } + const { instance: wasmInstance } = await WebAssembly.instantiate(wasmBinary, imports); + await finishInitializeWasm(wasmInstance); +} + +/* @internal */ +export async function initializeWasmFetch(uri: string) { + for (const fn of fn_list) { imports.env["js_invoke_function_" + fn] = js_invoke; } + const stream = fetch(uri); + const { instance: wasmInstance } = await WebAssembly.instantiateStreaming(stream, imports); + await finishInitializeWasm(wasmInstance); +}""" + + self.bindings_header += """ +// WASM CODEC + +/* @internal */ +export function uint5ArrToBytes(inputArray: Array): Uint8Array { + const arr = new Uint8Array(inputArray.length); + for (var i = 0; i < inputArray.length; i++) { + arr[i] = inputArray[i]!.getVal(); + } + return arr; +} + +/* @internal */ +export function WitnessVersionArrToBytes(inputArray: Array): Uint8Array { + const arr = new Uint8Array(inputArray.length); + for (var i = 0; i < inputArray.length; i++) { + arr[i] = inputArray[i]!.getVal(); + } + return arr; +} + + + +/* @internal */ +export function encodeUint128 (inputVal: bigint): number { + if (inputVal >= 0x10000000000000000000000000000000n) throw "U128s cannot exceed 128 bits"; + const cArrayPointer = wasm.TS_malloc(16 + 8); + const arrayLengthView = new BigUint64Array(wasm.memory.buffer, cArrayPointer, 1); + arrayLengthView[0] = BigInt(16); + const arrayMemoryView = new Uint8Array(wasm.memory.buffer, cArrayPointer + 8, 16); + for (var i = 0; i < 16; i++) arrayMemoryView[i] = Number((inputVal >> BigInt(i)*8n) & 0xffn); + return cArrayPointer; +} +/* @internal */ +export function encodeUint8Array (inputArray: Uint8Array|null): number { + if (inputArray == null) return 0; + const cArrayPointer = wasm.TS_malloc(inputArray.length + 8); + const arrayLengthView = new BigUint64Array(wasm.memory.buffer, cArrayPointer, 1); + arrayLengthView[0] = BigInt(inputArray.length); + const arrayMemoryView = new Uint8Array(wasm.memory.buffer, cArrayPointer + 8, inputArray.length); + arrayMemoryView.set(inputArray); + return cArrayPointer; +} +/* @internal */ +export function encodeUint16Array (inputArray: Uint16Array|Array|null): number { + if (inputArray == null) return 0; + const cArrayPointer = wasm.TS_malloc((inputArray.length + 4) * 2); + const arrayLengthView = new BigUint64Array(wasm.memory.buffer, cArrayPointer, 1); + arrayLengthView[0] = BigInt(inputArray.length); + const arrayMemoryView = new Uint16Array(wasm.memory.buffer, cArrayPointer + 8, inputArray.length); + arrayMemoryView.set(inputArray); + return cArrayPointer; +} +/* @internal */ +export function encodeUint32Array (inputArray: Uint32Array|Array|null): number { + if (inputArray == null) return 0; + const cArrayPointer = wasm.TS_malloc((inputArray.length + 2) * 4); + const arrayLengthView = new BigUint64Array(wasm.memory.buffer, cArrayPointer, 1); + arrayLengthView[0] = BigInt(inputArray.length); + const arrayMemoryView = new Uint32Array(wasm.memory.buffer, cArrayPointer + 8, inputArray.length); + arrayMemoryView.set(inputArray); + return cArrayPointer; +} +/* @internal */ +export function encodeUint64Array (inputArray: BigUint64Array|Array|null): number { + if (inputArray == null) return 0; + const cArrayPointer = wasm.TS_malloc((inputArray.length + 1) * 8); + const arrayMemoryView = new BigUint64Array(wasm.memory.buffer, cArrayPointer, inputArray.length + 1); + arrayMemoryView[0] = BigInt(inputArray.length); + arrayMemoryView.set(inputArray, 1); + return cArrayPointer; +} + +/* @internal */ +export function check_arr_len(arr: Uint8Array|null, len: number): Uint8Array|null { + if (arr !== null && arr.length != len) { throw new Error("Expected array of length " + len + " got " + arr.length); } + return arr; +} + +/* @internal */ +export function check_16_arr_len(arr: Uint16Array|null, len: number): Uint16Array|null { + if (arr !== null && arr.length != len) { throw new Error("Expected array of length " + len + " got " + arr.length); } + return arr; +} + +/* @internal */ +export function getArrayLength(arrayPointer: number): number { + const arraySizeViewer = new BigUint64Array(wasm.memory.buffer, arrayPointer, 1); + const len = arraySizeViewer[0]!; + if (len >= (2n ** 32n)) throw new Error("Bogus Array Size"); + return Number(len % (2n ** 32n)); +} +/* @internal */ +export function decodeUint128 (arrayPointer: number, free = true): bigint { + const arraySize = getArrayLength(arrayPointer); + if (arraySize != 16) throw "Need 16 bytes for a uint128"; + const actualArrayViewer = new Uint8Array(wasm.memory.buffer, arrayPointer + 8, arraySize); + var val = 0n; + for (var i = 0; i < 16; i++) { + val <<= 8n; + val |= BigInt(actualArrayViewer[i]!); + } + if (free) { + wasm.TS_free(arrayPointer); + } + return val; +} +/* @internal */ +export function decodeUint8Array (arrayPointer: number, free = true): Uint8Array { + const arraySize = getArrayLength(arrayPointer); + const actualArrayViewer = new Uint8Array(wasm.memory.buffer, arrayPointer + 8, arraySize); + // 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. + // Note that doing so may have edge-case interactions with memory resizing (invalidating the buffer). + const actualArray = actualArrayViewer.slice(0, arraySize); + if (free) { + wasm.TS_free(arrayPointer); + } + return actualArray; +} +/* @internal */ +export function decodeUint16Array (arrayPointer: number, free = true): Uint16Array { + const arraySize = getArrayLength(arrayPointer); + const actualArrayViewer = new Uint16Array(wasm.memory.buffer, arrayPointer + 8, arraySize); + // 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. + // Note that doing so may have edge-case interactions with memory resizing (invalidating the buffer). + const actualArray = actualArrayViewer.slice(0, arraySize); + if (free) { + wasm.TS_free(arrayPointer); + } + return actualArray; +} +/* @internal */ +export function decodeUint64Array (arrayPointer: number, free = true): bigint[] { + const arraySize = getArrayLength(arrayPointer); + const actualArrayViewer = new BigUint64Array( + wasm.memory.buffer, // value + arrayPointer + 8, // 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 = new Array(arraySize); + for (var i = 0; i < arraySize; i++) actualArray[i] = actualArrayViewer[i]; + if (free) { + wasm.TS_free(arrayPointer); + } + return actualArray; +} + +export function freeWasmMemory(pointer: number) { wasm.TS_free(pointer); } + +/* @internal */ +export function getU64ArrayElem(arrayPointer: number, idx: number): bigint { + const actualArrayViewer = new BigUint64Array(wasm.memory.buffer, arrayPointer + 8, idx + 1); + return actualArrayViewer[idx]!; +} + +/* @internal */ +export function getU32ArrayElem(arrayPointer: number, idx: number): number { + const actualArrayViewer = new Uint32Array(wasm.memory.buffer, arrayPointer + 8, idx + 1); + return actualArrayViewer[idx]!; +} + +/* @internal */ +export function getU8ArrayElem(arrayPointer: number, idx: number): number { + const actualArrayViewer = new Uint8Array(wasm.memory.buffer, arrayPointer + 8, idx + 1); + return actualArrayViewer[idx]!; +} + + +/* @internal */ +export function encodeString(str: string): number { + const charArray = new TextEncoder().encode(str); + return encodeUint8Array(charArray); +} + +/* @internal */ +export function decodeString(stringPointer: number, free = true): string { + const arraySize = getArrayLength(stringPointer); + const memoryView = new Uint8Array(wasm.memory.buffer, stringPointer + 8, arraySize); + const result = new TextDecoder("utf-8").decode(memoryView); + + if (free) { + wasm.TS_free(stringPointer); + } + + return result; +} +""" + if DEBUG: + self.bindings_header += """ +/* @internal */ +export function getRemainingAllocationCount(): number { + return wasm.TS_allocs_remaining(); +} +/* @internal */ +export function debugPrintRemainingAllocs() { + wasm.TS_print_leaks(); +} +""" + else: + self.bindings_header += "\n/* @internal */ export function getRemainingAllocationCount(): number { return 0; }\n" + self.bindings_header += "/* @internal */ export function debugPrintRemainingAllocs() { }\n" + + with open(outdir + "/index.mts", 'a') as index: + index.write("""import { initializeWasmFetch, initializeWasmFromUint8Array } from './bindings.mjs'; +/** Initializes the WASM backend by calling `fetch()` on the given URI - Browser only */ +export async function initializeWasmWebFetch(uri: string) { + await initializeWasmFetch(uri); +} +/** Initializes the WASM backend given a Uint8Array of the .wasm binary file - Browser or Node.JS */ +export async function initializeWasmFromBinary(bin: Uint8Array) { + await initializeWasmFromUint8Array(bin); +} + +export * from './structs/UtilMethods.mjs'; +""") self.bindings_version_file = """export function get_ldk_java_bindings_version(): String { return ""; }""" - self.bindings_footer = "" - self.common_base = """ function freer(f: () => void) { f() } const finalizer = new FinalizationRegistry(freer); -function get_freeer(ptr: number, free_fn: (ptr: number) => void) { +function get_freeer(ptr: bigint, free_fn: (ptr: bigint) => void) { return () => { free_fn(ptr); } } -export default class CommonBase { - protected ptr: number; +export class CommonBase { + protected ptr: bigint; protected ptrs_to: object[] = []; - protected constructor(ptr: number, free_fn: (ptr: number) => void) { + protected constructor(ptr: bigint, free_fn: (ptr: bigint) => void) { this.ptr = ptr; - if (Number.isFinite(ptr) && ptr != 0){ - finalizer.register(this, get_freeer(ptr, free_fn)); + if (ptr != 0n){ + finalizer.register(this, get_freeer(ptr, free_fn), this); } } // In Java, protected means "any subclass can access fields on any other subclass'" // In TypeScript, protected means "any subclass can access parent fields on instances of itself" // To work around this, we add accessors for other instances' protected fields here. - protected static add_ref_from(holder: CommonBase, referent: object) { - holder.ptrs_to.push(referent); + protected static add_ref_from(holder: CommonBase|null, referent: object|null) { + if (holder !== null && referent !== null) { holder.ptrs_to.push(referent); } } protected static get_ptr_of(o: CommonBase) { return o.ptr; } protected static set_null_skip_free(o: CommonBase) { - o.ptr = 0; - finalizer.unregister(o); + o.ptr = 0n; + // @ts-ignore TypeScript is wrong about the returnvalue of unregister here! + const did_unregister: boolean = finalizer.unregister(o); + if (!did_unregister) + throw new Error("FinalizationRegistry unregister should always unregister unless you double-free'd"); + } +} + +export class UInt5 { + public constructor(private val: number) { + if (val > 32 || val < 0) throw new Error("UInt5 value is out of range"); + } + public getVal(): number { + return this.val; } } + +export class WitnessVersion { + public constructor(private val: number) { + if (val > 16 || val < 0) throw new Error("WitnessVersion value is out of range"); + } + public getVal(): number { + return this.val; + } +} + +export class UnqualifiedError { + public constructor(_val: number) {} +} """ self.txout_defn = """export class TxOut extends CommonBase { @@ -83,17 +436,81 @@ export default class CommonBase { public value: bigint; /* @internal */ - public constructor(_dummy: object, ptr: number) { + public constructor(_dummy: null, ptr: bigint) { super(ptr, bindings.TxOut_free); this.script_pubkey = bindings.decodeUint8Array(bindings.TxOut_get_script_pubkey(ptr)); this.value = bindings.TxOut_get_value(ptr); } - public constructor_new(value: bigint, script_pubkey: Uint8Array): TxOut { + public static constructor_new(value: bigint, script_pubkey: Uint8Array): TxOut { return new TxOut(null, bindings.TxOut_new(bindings.encodeUint8Array(script_pubkey), value)); } }""" self.obj_defined(["TxOut"], "structs") + self.txin_defn = """export class TxIn extends CommonBase { + /** The witness in this input, in serialized form */ + public witness: Uint8Array; + /** The script_sig in this input */ + public script_sig: Uint8Array; + /** The transaction output's sequence number */ + public sequence: number; + /** The txid this input is spending */ + public previous_txid: Uint8Array; + /** The output index within the spent transaction of the output this input is spending */ + public previous_vout: number; + + /* @internal */ + public constructor(_dummy: null, ptr: bigint) { + super(ptr, bindings.TxIn_free); + this.witness = bindings.decodeUint8Array(bindings.TxIn_get_witness(ptr)); + this.script_sig = bindings.decodeUint8Array(bindings.TxIn_get_script_sig(ptr)); + this.sequence = bindings.TxIn_get_sequence(ptr); + this.previous_txid = bindings.decodeUint8Array(bindings.TxIn_get_previous_txid(ptr)); + this.previous_vout = bindings.TxIn_get_previous_vout(ptr); + } + public static constructor_new(witness: Uint8Array, script_sig: Uint8Array, sequence: number, previous_txid: Uint8Array, previous_vout: number): TxIn { + return new TxIn(null, bindings.TxIn_new(bindings.encodeUint8Array(witness), bindings.encodeUint8Array(script_sig), sequence, bindings.encodeUint8Array(previous_txid), previous_vout)); + } +}""" + self.obj_defined(["TxIn"], "structs") + + self.scalar_defn = """export class BigEndianScalar extends CommonBase { + /** The bytes of the scalar value, in big endian */ + public scalar_bytes: Uint8Array; + + /* @internal */ + public constructor(_dummy: null, ptr: bigint) { + super(ptr, bindings.BigEndianScalar_free); + this.scalar_bytes = bindings.decodeUint8Array(bindings.BigEndianScalar_get_bytes(ptr)); + } + public static constructor_new(scalar_bytes: Uint8Array): BigEndianScalar { + return new BigEndianScalar(null, bindings.BigEndianScalar_new(bindings.encodeUint8Array(scalar_bytes))); + } +}""" + self.obj_defined(["BigEndianScalar"], "structs") + + self.witness_program_defn = """export class WitnessProgram extends CommonBase { + /** The witness program bytes themselves */ + public program: Uint8Array; + /** The witness program version */ + public version: WitnessVersion; + + /* @internal */ + public constructor(_dummy: null, ptr: bigint) { + super(ptr, bindings.WitnessProgram_free); + this.program = bindings.decodeUint8Array(bindings.WitnessProgram_get_program(ptr)); + this.version = new WitnessVersion(bindings.WitnessProgram_get_version(ptr)); + } + public static constructor_new(program: Uint8Array, version: WitnessVersion): WitnessProgram { + if (program.length < 2 || program.length > 40) + throw new Error("WitnessProgram must be between 2 and 40 bytes long"); + if (version.getVal() == 0 && program.length != 20 && program.length != 32) + throw new Error("WitnessProgram for version 0 must be between either 20 or 30 bytes"); + return new WitnessProgram(null, bindings.WitnessProgram_new(version.getVal(), bindings.encodeUint8Array(program))); + } +}""" + self.obj_defined(["WitnessProgram"], "structs") + self.c_file_pfx = """#include "js-wasm.h" #include #include @@ -115,11 +532,12 @@ uint32_t __attribute__((export_name("test_bigint_pass_deadbeef0badf00d"))) test_ """ if not DEBUG: - self.c_file_pfx = self.c_file_pfx + """ + self.c_file_pfx += """ void *malloc(size_t size); void free(void *ptr); #define MALLOC(a, _) malloc(a) +#define do_MALLOC(a, _b, _c) malloc(a) #define FREE(p) if ((unsigned long)(p) > 4096) { free(p); } #define DO_ASSERT(a) (void)(a) #define CHECK(a) @@ -127,7 +545,16 @@ void free(void *ptr); #define CHECK_INNER_FIELD_ACCESS_OR_NULL(v) """ else: - self.c_file_pfx = self.c_file_pfx + """ + self.c_file_pfx += """ +extern int snprintf(char *str, size_t size, const char *format, ...); +typedef int32_t ssize_t; +ssize_t write(int fd, const void *buf, size_t count); +#define DEBUG_PRINT(...) do { \\ + char debug_str[1024]; \\ + int s_len = snprintf(debug_str, 1023, __VA_ARGS__); \\ + write(2, debug_str, s_len); \\ +} while (0); + // 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 @@ -143,43 +570,58 @@ typedef struct allocation { struct allocation* next; void* ptr; const char* struct_name; + int lineno; } allocation; static allocation* allocation_ll = NULL; +static allocation* freed_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) { +extern void* __real_malloc(size_t len); +extern void* __real_calloc(size_t nmemb, size_t len); +extern void* __real_aligned_alloc(size_t alignment, size_t size); +static void new_allocation(void* res, const char* struct_name, int lineno) { allocation* new_alloc = __real_malloc(sizeof(allocation)); new_alloc->ptr = res; new_alloc->struct_name = struct_name; new_alloc->next = allocation_ll; + new_alloc->lineno = lineno; allocation_ll = new_alloc; } -static void* MALLOC(size_t len, const char* struct_name) { +static void* do_MALLOC(size_t len, const char* struct_name, int lineno) { void* res = __real_malloc(len); - new_allocation(res, struct_name); + new_allocation(res, struct_name, lineno); return res; } +#define MALLOC(len, struct_name) do_MALLOC(len, struct_name, __LINE__) + void __real_free(void* ptr); -static void alloc_freed(void* ptr) { +static void alloc_freed(void* ptr, int lineno) { allocation* p = NULL; allocation* it = allocation_ll; while (it->ptr != ptr) { p = it; it = it->next; if (it == NULL) { - //XXX: fprintf(stderr, "Tried to free unknown pointer %p\\n", ptr); - return; // addrsan should catch malloc-unknown and print more info than we have + p = NULL; + it = freed_ll; + while (it && it->ptr != ptr) { p = it; it = it->next; } + if (it == NULL) { + DEBUG_PRINT("Tried to free unknown pointer %p at line %d.\\n", ptr, lineno); + } else { + DEBUG_PRINT("Tried to free unknown pointer %p at line %d.\\n Possibly double-free from %s, allocated on line %d.", ptr, lineno, it->struct_name, it->lineno); + } + abort(); } } if (p) { p->next = it->next; } else { allocation_ll = it->next; } DO_ASSERT(it->ptr == ptr); - __real_free(it); + it->next = freed_ll; + freed_ll = it; } -static void FREE(void* ptr) { +static void do_FREE(void* ptr, int lineno) { if ((unsigned long)ptr <= 4096) return; // Rust loves to create pointers to the NULL page for dummys - alloc_freed(ptr); + alloc_freed(ptr, lineno); __real_free(ptr); } +#define FREE(ptr) do_FREE(ptr, __LINE__) static void CHECK_ACCESS(const void* ptr) { allocation* it = allocation_ll; @@ -200,25 +642,30 @@ static void CHECK_ACCESS(const void* ptr) { void* __wrap_malloc(size_t len) { void* res = __real_malloc(len); - new_allocation(res, "malloc call"); + new_allocation(res, "malloc call", 0); return res; } void* __wrap_calloc(size_t nmemb, size_t len) { void* res = __real_calloc(nmemb, len); - new_allocation(res, "calloc call"); + new_allocation(res, "calloc call", 0); + return res; +} +void* __wrap_aligned_alloc(size_t alignment, size_t size) { + void* res = __real_aligned_alloc(alignment, size); + new_allocation(res, "aligned_alloc call", 0); return res; } void __wrap_free(void* ptr) { if (ptr == NULL) return; - alloc_freed(ptr); + alloc_freed(ptr, 0); __real_free(ptr); } void* __real_realloc(void* ptr, size_t newlen); void* __wrap_realloc(void* ptr, size_t len) { - if (ptr != NULL) alloc_freed(ptr); + if (ptr != NULL) alloc_freed(ptr, 0); void* res = __real_realloc(ptr, len); - new_allocation(res, "realloc call"); + new_allocation(res, "realloc call", 0); return res; } void __wrap_reallocarray(void* ptr, size_t new_sz) { @@ -226,11 +673,17 @@ void __wrap_reallocarray(void* ptr, size_t new_sz) { DO_ASSERT(false); } -void __attribute__((destructor)) check_leaks() { +uint32_t __attribute__((export_name("TS_allocs_remaining"))) allocs_remaining() { + uint32_t count = 0; + for (allocation* a = allocation_ll; a != NULL; a = a->next) { + count++; + } + return count; +} +void __attribute__((export_name("TS_print_leaks"))) print_leaks() { for (allocation* a = allocation_ll; a != NULL; a = a->next) { - //XXX: fprintf(stderr, "%s %p remains\\n", a->struct_name, a->ptr); + DEBUG_PRINT("%s %p remains. Allocated on line %d\\n", a->struct_name, a->ptr, a->lineno); } - DO_ASSERT(allocation_ll == NULL); } """ self.c_file_pfx = self.c_file_pfx + """ @@ -243,25 +696,27 @@ _Static_assert(sizeof(void*) == 4, "Pointers mut be 32 bits"); #define DECL_ARR_TYPE(ty, name) \\ struct name##array { \\ - uint32_t arr_len; \\ + uint64_t arr_len; /* uint32_t would suffice but we want to align uint64_ts as well */ \\ ty elems[]; \\ }; \\ typedef struct name##array * name##Array; \\ - static inline name##Array init_##name##Array(size_t arr_len) { \\ - name##Array arr = (name##Array)MALLOC(arr_len * sizeof(ty) + sizeof(uint32_t), "##name array init"); \\ + static inline name##Array init_##name##Array(size_t arr_len, int lineno) { \\ + name##Array arr = (name##Array)do_MALLOC(arr_len * sizeof(ty) + sizeof(uint64_t), #name" array init", lineno); \\ arr->arr_len = arr_len; \\ return arr; \\ } DECL_ARR_TYPE(int64_t, int64_t); +DECL_ARR_TYPE(uint64_t, uint64_t); DECL_ARR_TYPE(int8_t, int8_t); +DECL_ARR_TYPE(int16_t, int16_t); DECL_ARR_TYPE(uint32_t, uint32_t); DECL_ARR_TYPE(void*, ptr); DECL_ARR_TYPE(char, char); typedef charArray jstring; static inline jstring str_ref_to_ts(const char* chars, size_t len) { - charArray arr = init_charArray(len); + charArray arr = init_charArray(len, __LINE__); memcpy(arr->elems, chars, len); return arr; } @@ -304,58 +759,76 @@ jstring __attribute__((export_name("TS_get_ldk_version"))) get_ldk_version() { }""" self.hu_struct_file_prefix = """ -import CommonBase from './CommonBase.mjs'; +import { CommonBase, UInt5, WitnessVersion, UnqualifiedError } from './CommonBase.mjs'; import * as bindings from '../bindings.mjs' """ + self.hu_struct_file_suffix = "" self.util_fn_pfx = self.hu_struct_file_prefix + "\nexport class UtilMethods extends CommonBase {\n" self.util_fn_sfx = "}" self.c_fn_ty_pfx = "" self.file_ext = ".mts" - self.ptr_c_ty = "uint32_t" - self.ptr_native_ty = "number" - self.result_c_ty = "uint32_t" + self.ptr_c_ty = "uint64_t" + self.ptr_native_ty = "bigint" + self.u128_native_ty = "bigint" + self.usize_c_ty = "uint32_t" + self.usize_native_ty = "number" + self.native_zero_ptr = "0n" + self.unitary_enum_c_ty = "uint32_t" self.ptr_arr = "ptrArray" self.is_arr_some_check = ("", " != 0") self.get_native_arr_len_call = ("", "->arr_len") + def bindings_footer(self): + return "" + 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 == "ptrArray": - assert ty_info.subty is not None and ty_info.subty.c_ty.endswith("Array") - return "init_" + ty_info.c_ty + "(" + arr_len + ")" + assert ty_info.rust_obj == "LDKCVec_U5Z" or (ty_info.subty is not None and (ty_info.subty.c_ty.endswith("Array") or ty_info.subty.rust_obj == "LDKStr")) + return "init_" + ty_info.c_ty + "(" + arr_len + ", __LINE__)" def set_native_arr_contents(self, arr_name, arr_len, ty_info): if ty_info.c_ty == "int8_tArray": return ("memcpy(" + arr_name + "->elems, ", ", " + arr_len + ")") + elif ty_info.c_ty == "int16_tArray": + return ("memcpy(" + arr_name + "->elems, ", ", " + arr_len + " * 2)") 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 ty_info.c_ty == "int8_tArray" or ty_info.c_ty == "int16_tArray": if copy: - return "memcpy(" + dest_name + ", " + arr_name + "->elems, " + arr_len + ")" + byte_len = arr_len + if ty_info.c_ty == "int16_tArray": + byte_len = arr_len + " * 2" + return "memcpy(" + dest_name + ", " + arr_name + "->elems, " + byte_len + "); FREE(" + arr_name + ")" + assert not copy if ty_info.c_ty == "ptrArray": return "(void*) " + arr_name + "->elems" else: - assert not copy return arr_name + "->elems" 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 + "*)(((uint8_t*)", ") + 4)" - return "(" + ty_info.c_ty + "*)(((uint8_t*)", ") + 4)" + return "(" + ty_info.subty.c_ty + "*)(((uint8_t*)", ") + 8)" + return "(" + ty_info.c_ty + "*)(((uint8_t*)", ") + 8)" 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 + return "FREE(" + arr_name + ");" else: - return None - - def map_hu_array_elems(self, arr_name, conv_name, arr_ty, elem_ty): - assert elem_ty.c_ty == "uint32_t" or elem_ty.c_ty.endswith("Array") - return arr_name + " != null ? " + arr_name + ".map(" + conv_name + " => " + elem_ty.from_hu_conv[0] + ") : null" + return "FREE(" + arr_name + ")" + + def map_hu_array_elems(self, arr_name, conv_name, arr_ty, elem_ty, is_nullable): + if elem_ty.rust_obj == "LDKU5": + return arr_name + " != null ? bindings.uint5ArrToBytes(" + arr_name + ") : null" + assert elem_ty.c_ty == "uint64_t" or elem_ty.c_ty.endswith("Array") or elem_ty.rust_obj == "LDKStr" + if is_nullable: + return arr_name + " != null ? " + arr_name + ".map(" + conv_name + " => " + elem_ty.from_hu_conv[0] + ") : null" + else: + return arr_name + ".map(" + conv_name + " => " + elem_ty.from_hu_conv[0] + ")" def str_ref_to_native_call(self, var_name, str_len): return "str_ref_to_ts(" + var_name + ", " + str_len + ")" @@ -369,218 +842,63 @@ import * as bindings from '../bindings.mjs' def c_fn_name_define_pfx(self, fn_name, have_args): return " __attribute__((export_name(\"TS_" + fn_name + "\"))) TS_" + fn_name + "(" - def wasm_import_header(self, target): - res = """ -import * as version from './version.mjs'; - -const imports: any = {}; -imports.env = {}; - -var js_objs: Array> = []; -var js_invoke: Function; - -imports.wasi_snapshot_preview1 = { - "fd_write": (fd: number, iovec_array_ptr: number, iovec_array_len: number) => { - // This should generally only be used to print panic messages - console.log("FD_WRITE to " + fd + " in " + iovec_array_len + " chunks."); - const ptr_len_view = new Uint32Array(wasm.memory.buffer, iovec_array_ptr, iovec_array_len * 2); - for (var i = 0; i < iovec_array_len; i++) { - const bytes_view = new Uint8Array(wasm.memory.buffer, ptr_len_view[i*2], ptr_len_view[i*2+1]); - console.log(String.fromCharCode(...bytes_view)); - } - return 0; - }, - "random_get": (buf_ptr: number, buf_len: number) => { - const buf = new Uint8Array(wasm.memory.buffer, buf_ptr, buf_len); - crypto.getRandomValues(buf); - return 0; - }, - "environ_sizes_get": (environ_var_count_ptr: number, environ_len_ptr: number) => { - // This is called before fd_write to format + print panic messages - console.log("wasi_snapshot_preview1:environ_sizes_get"); - const out_count_view = new Uint32Array(wasm.memory.buffer, environ_var_count_ptr, 1); - out_count_view[0] = 1; - const out_len_view = new Uint32Array(wasm.memory.buffer, environ_len_ptr, 1); - out_len_view[0] = "RUST_BACKTRACE=1".length + 1; // Note that string must be NULL-terminated - return 0; - }, - "environ_get": (environ_ptr: number, environ_buf_ptr: number) => { - // This is called before fd_write to format + print panic messages - console.log("wasi_snapshot_preview1:environ_get"); - const out_ptrs = new Uint32Array(wasm.memory.buffer, environ_ptr, 2); - out_ptrs[0] = environ_buf_ptr; - out_ptrs[1] = "RUST_BACKTRACE=1".length; - const out_environ = new Uint8Array(wasm.memory.buffer, environ_buf_ptr, out_ptrs[1]); - for (var i = 0; i < out_ptrs[1]; i++) { out_environ[i] = "RUST_BACKTRACE=1".codePointAt(i); } - out_environ[out_ptrs[1]] = 0; - return 0; - }, - "proc_exit" : () => { - console.log("wasi_snapshot_preview1:proc_exit"); - }, -}; - -var wasm: any = null; -let isWasmInitialized: boolean = false; -""" - - if target == Target.NODEJS: - res += """import * as fs from 'fs'; -import { webcrypto as crypto } from 'crypto'; -export async function initializeWasm(path: string) { - const source = fs.readFileSync(path); - imports.env["js_invoke_function"] = js_invoke; - const { instance: wasmInstance } = await WebAssembly.instantiate(source, imports);""" - else: - res += """ -export async function initializeWasm(uri: string) { - const stream = fetch(uri); - imports.env["js_invoke_function"] = js_invoke; - const { instance: wasmInstance } = await WebAssembly.instantiateStreaming(stream, imports);""" - - return res + """ - wasm = wasmInstance.exports; - if (!wasm.test_bigint_pass_deadbeef0badf00d(BigInt("0xdeadbeef0badf00d"))) { - throw new Error(\"Currently need BigInt-as-u64 support, try ----experimental-wasm-bigint"); - } - - if (decodeString(wasm.TS_get_lib_version_string()) !== version.get_ldk_java_bindings_version()) - throw new Error(\"Compiled LDK library and LDK class failes do not match\"); - // Fetching the LDK versions from C also checks that the header and binaries match - if (wasm.TS_get_ldk_c_bindings_version() == 0) - throw new Error(\"LDK version did not match the header we built against\"); - if (wasm.TS_get_ldk_version() == 0) - throw new Error(\"LDK C bindings version did not match the header we built against\"); - const c_bindings_version: string = decodeString(wasm.TS_get_ldk_c_bindings_version()); - const ldk_version: string = decodeString(wasm.TS_get_ldk_version()); - console.log(\"Loaded LDK-Java Bindings with LDK \" + ldk_version + \" and LDK-C-Bindings \" + c_bindings_version); - - isWasmInitialized = true; -}; - -// WASM CODEC - -const nextMultipleOfFour = (value: number) => { - return Math.ceil(value / 4) * 4; -} - -export function encodeUint8Array (inputArray: Uint8Array): number { - const cArrayPointer = wasm.TS_malloc(inputArray.length + 4); - const arrayLengthView = new Uint32Array(wasm.memory.buffer, cArrayPointer, 1); - arrayLengthView[0] = inputArray.length; - const arrayMemoryView = new Uint8Array(wasm.memory.buffer, cArrayPointer + 4, inputArray.length); - arrayMemoryView.set(inputArray); - return cArrayPointer; -} -export function encodeUint32Array (inputArray: Uint32Array|Array): number { - const cArrayPointer = wasm.TS_malloc((inputArray.length + 1) * 4); - const arrayMemoryView = new Uint32Array(wasm.memory.buffer, cArrayPointer, inputArray.length); - arrayMemoryView.set(inputArray, 1); - arrayMemoryView[0] = inputArray.length; - return cArrayPointer; -} -export function encodeUint64Array (inputArray: BigUint64Array|Array): number { - const cArrayPointer = wasm.TS_malloc(inputArray.length * 8 + 1); - const arrayLengthView = new Uint32Array(wasm.memory.buffer, cArrayPointer, 1); - arrayLengthView[0] = inputArray.length; - const arrayMemoryView = new BigUint64Array(wasm.memory.buffer, cArrayPointer + 4, inputArray.length); - arrayMemoryView.set(inputArray); - return cArrayPointer; -} - -export function check_arr_len(arr: Uint8Array, len: number): Uint8Array { - if (arr.length != len) { throw new Error("Expected array of length " + len + "got " + arr.length); } - return arr; -} - -export function getArrayLength(arrayPointer: number): number { - const arraySizeViewer = new Uint32Array(wasm.memory.buffer, arrayPointer, 1); - return arraySizeViewer[0]; -} -export function decodeUint8Array (arrayPointer: number, free = true): Uint8Array { - const arraySize = getArrayLength(arrayPointer); - const actualArrayViewer = new Uint8Array(wasm.memory.buffer, arrayPointer + 4, arraySize); - // 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. - // Note that doing so may have edge-case interactions with memory resizing (invalidating the buffer). - const actualArray = actualArrayViewer.slice(0, arraySize); - if (free) { - wasm.TS_free(arrayPointer); - } - return actualArray; -} -const decodeUint32Array = (arrayPointer: number, free = true) => { - const arraySize = getArrayLength(arrayPointer); - const actualArrayViewer = new Uint32Array( - wasm.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; -} - -export function getU32ArrayElem(arrayPointer: number, idx: number): number { - const actualArrayViewer = new Uint32Array(wasm.memory.buffer, arrayPointer + 4, idx + 1); - return actualArrayViewer[idx]; -} - -export function encodeString(str: string): number { - const charArray = new TextEncoder().encode(str); - return encodeUint8Array(charArray); -} - -export function decodeString(stringPointer: number, free = true): string { - const arraySize = getArrayLength(stringPointer); - const memoryView = new Uint8Array(wasm.memory.buffer, stringPointer + 4, arraySize); - const result = new TextDecoder("utf-8").decode(memoryView); - - if (free) { - wasm.TS_free(stringPointer); - } - - return result; -} -""" - def init_str(self): return "" def get_java_arr_len(self, arr_name): return "bindings.getArrayLength(" + arr_name + ")" def get_java_arr_elem(self, elem_ty, arr_name, idx): - if elem_ty.c_ty == "uint32_t" or elem_ty.c_ty == "uintptr_t" or elem_ty.c_ty.endswith("Array"): + if elem_ty.c_ty.endswith("Array") or elem_ty.c_ty == "uintptr_t": + return "bindings.getU32ArrayElem(" + arr_name + ", " + idx + ")" + elif elem_ty.c_ty == "uint64_t": + return "bindings.getU64ArrayElem(" + arr_name + ", " + idx + ")" + elif elem_ty.rust_obj == "LDKU5": + return "bindings.getU8ArrayElem(" + arr_name + ", " + idx + ")" + elif elem_ty.rust_obj == "LDKStr": return "bindings.getU32ArrayElem(" + arr_name + ", " + idx + ")" else: assert False def constr_hu_array(self, ty_info, arr_len): return "new Array(" + arr_len + ").fill(null)" + def cleanup_converted_native_array(self, ty_info, arr_name): + return "bindings.freeWasmMemory(" + arr_name + ")" - def primitive_arr_from_hu(self, mapped_ty, fixed_len, arr_name): + def primitive_arr_from_hu(self, arr_ty, fixed_len, arr_name): + mapped_ty = arr_ty.subty inner = arr_name + if arr_ty.rust_obj == "LDKU128": + return ("bindings.encodeUint128(" + inner + ")", "") if fixed_len is not None: - assert mapped_ty.c_ty == "int8_t" - inner = "bindings.check_arr_len(" + arr_name + ", " + fixed_len + ")" + if mapped_ty.c_ty == "int8_t": + inner = "bindings.check_arr_len(" + arr_name + ", " + fixed_len + ")" + elif mapped_ty.c_ty == "int16_t": + inner = "bindings.check_16_arr_len(" + arr_name + ", " + fixed_len + ")" if mapped_ty.c_ty.endswith("Array"): return ("bindings.encodeUint32Array(" + inner + ")", "") elif mapped_ty.c_ty == "uint8_t" or mapped_ty.c_ty == "int8_t": return ("bindings.encodeUint8Array(" + inner + ")", "") - elif mapped_ty.c_ty == "uint32_t": + elif mapped_ty.c_ty == "uint16_t" or mapped_ty.c_ty == "int16_t": + return ("bindings.encodeUint16Array(" + inner + ")", "") + elif mapped_ty.c_ty == "uint32_t" or mapped_ty.rust_obj == "LDKStr": return ("bindings.encodeUint32Array(" + inner + ")", "") - elif mapped_ty.c_ty == "int64_t": + elif mapped_ty.c_ty == "int64_t" or mapped_ty.c_ty == "uint64_t": return ("bindings.encodeUint64Array(" + inner + ")", "") else: print(mapped_ty.c_ty) assert False - def primitive_arr_to_hu(self, mapped_ty, fixed_len, arr_name, conv_name): - assert mapped_ty.c_ty == "uint8_t" or mapped_ty.c_ty == "int8_t" - return "const " + conv_name + ": Uint8Array = bindings.decodeUint8Array(" + arr_name + ");" + def primitive_arr_to_hu(self, arr_ty, fixed_len, arr_name, conv_name): + mapped_ty = arr_ty.subty + if arr_ty.rust_obj == "LDKU128": + return "const " + conv_name + ": bigint = bindings.decodeUint128(" + arr_name + ");" + elif mapped_ty.c_ty == "uint8_t" or mapped_ty.c_ty == "int8_t": + return "const " + conv_name + ": Uint8Array = bindings.decodeUint8Array(" + arr_name + ");" + elif mapped_ty.c_ty == "uint16_t" or mapped_ty.c_ty == "int16_t": + return "const " + conv_name + ": Uint16Array = bindings.decodeUint16Array(" + arr_name + ");" + elif mapped_ty.c_ty == "uint64_t" or mapped_ty.c_ty == "int64_t": + return "const " + conv_name + ": bigint[] = bindings.decodeUint64Array(" + arr_name + ");" + else: + assert False def var_decl_statement(self, ty_string, var_name, statement): return "const " + var_name + ": " + ty_string + " = " + statement @@ -607,6 +925,9 @@ export function decodeString(stringPointer: number, free = true): string { with open(self.outdir + "/imports.mts.part", 'a') as imports: imports.write(f"import {{ {', '.join(struct_names)} }} from '../{folder}/{struct_names[0]}.mjs';\n") + def fully_qualified_hu_ty_path(self, ty): + return ty.java_hu_ty + 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" @@ -618,8 +939,9 @@ export function decodeString(stringPointer: number, free = true): string { 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" + var_docs_repld = var_docs.replace("\n", "\n\t") + out_typescript_enum_fields += f"/**\n\t * {var_docs_repld}\n\t */\n" + out_typescript_enum_fields += f"\t{var},\n\t" out_c = out_c + "\t}\n" out_c = out_c + "\tabort();\n" out_c = out_c + "}\n" @@ -634,10 +956,15 @@ export function decodeString(stringPointer: number, free = true): string { out_c = out_c + "\t}\n" out_c = out_c + "}\n" + # Note that this is *not* marked /* @internal */ as we re-expose it directly in enums/ + enum_comment_formatted = enum_doc_comment.replace("\n", "\n * ") out_typescript = f""" - export enum {struct_name} {{ - {out_typescript_enum_fields} - }} +/** + * {enum_comment_formatted} + */ +export enum {struct_name} {{ + {out_typescript_enum_fields} +}} """ out_typescript_enum = f"export {{ {struct_name} }} from \"../bindings.mjs\";" self.obj_defined([struct_name], "enums") @@ -649,8 +976,7 @@ export function decodeString(stringPointer: number, free = true): string { return (ty_info.rust_obj + "_from_js(", ")") 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" - + out_typescript_bindings = "" super_instantiator = "" bindings_instantiator = "" pointer_to_adder = "" @@ -658,7 +984,6 @@ export function decodeString(stringPointer: number, free = true): string { for var in flattened_field_var_conversions: if isinstance(var, ConvInfo): impl_constructor_arguments += f", {var.arg_name}: {var.java_hu_ty}" - super_instantiator += first_to_lower(var.arg_name) + ", " if var.from_hu_conv is not None: bindings_instantiator += ", " + var.from_hu_conv[0] if var.from_hu_conv[1] != "": @@ -666,8 +991,7 @@ export function decodeString(stringPointer: number, free = true): string { else: bindings_instantiator += ", " + first_to_lower(var.arg_name) else: - bindings_instantiator += ", " + first_to_lower(var[1]) + ".bindings_instance" - super_instantiator += first_to_lower(var[1]) + "_impl, " + bindings_instantiator += ", " + first_to_lower(var[1]) + ".instance_idx!" pointer_to_adder += "\t\timpl_holder.held.ptrs_to.push(" + first_to_lower(var[1]) + ");\n" impl_constructor_arguments += f", {first_to_lower(var[1])}_impl: {var[0].replace('LDK', '')}Interface" @@ -677,12 +1001,21 @@ export function decodeString(stringPointer: number, free = true): string { if isinstance(var, ConvInfo): trait_constructor_arguments += ", " + var.arg_name else: - super_constructor_statements += "\t\tconst " + first_to_lower(var[1]) + " = " + var[1] + ".new_impl(" + super_instantiator + ");\n" - trait_constructor_arguments += ", " + first_to_lower(var[1]) + ".bindings_instance" + super_constructor_statements += "\t\tconst " + first_to_lower(var[1]) + " = " + var[1] + ".new_impl(" + first_to_lower(var[1]) + "_impl" + super_instantiator = "" + for suparg in var[2]: + if isinstance(suparg, ConvInfo): + super_instantiator += ", " + suparg.arg_name + else: + super_instantiator += ", " + first_to_lower(suparg[1]) + "_impl" + super_constructor_statements += super_instantiator + ");\n" + trait_constructor_arguments += ", " + first_to_lower(var[1]) + ".instance_idx!" for suparg in var[2]: if isinstance(suparg, ConvInfo): trait_constructor_arguments += ", " + suparg.arg_name else: + # Blindly assume that we can just strip the first arg to build the args for the supertrait + super_constructor_statements += "\t\tconst " + first_to_lower(suparg[1]) + " = " + suparg[1] + ".new_impl(" + super_instantiator.split(", ", 1)[1] + ");\n" trait_constructor_arguments += ", " + suparg[1] # BUILD INTERFACE METHODS @@ -692,6 +1025,7 @@ export function decodeString(stringPointer: number, free = true): string { 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 += "\t/**" + fn_line.docs.replace("\n", "\n\t * ") + "\n\t */\n" out_java_interface += "\t" + fn_line.fn_name + "(" out_interface_implementation_overrides += f"\t\t\t{fn_line.fn_name} (" @@ -740,40 +1074,51 @@ export function decodeString(stringPointer: number, free = true): string { out_interface_implementation_overrides += "\t\t\t\treturn ret;\n" out_interface_implementation_overrides += f"\t\t\t}},\n" + formatted_trait_docs = trait_doc_comment.replace("\n", "\n * ") out_typescript_human = f""" {self.hu_struct_file_prefix} +/** An implementation of {struct_name.replace("LDK","")} */ export interface {struct_name.replace("LDK", "")}Interface {{ {out_java_interface}}} class {struct_name}Holder {{ - held: {struct_name.replace("LDK", "")}; + held: {struct_name.replace("LDK", "")}|null = null; }} +/** + * {formatted_trait_docs} + */ export class {struct_name.replace("LDK","")} extends CommonBase {{ /* @internal */ - public bindings_instance?: bindings.{struct_name}; + public bindings_instance: bindings.{struct_name}|null; + + /* @internal */ + public instance_idx?: number; /* @internal */ - constructor(_dummy: object, ptr: number) {{ + constructor(_dummy: null, ptr: bigint) {{ super(ptr, bindings.{struct_name.replace("LDK","")}_free); this.bindings_instance = null; }} - static new_impl(arg: {struct_name.replace("LDK", "")}Interface{impl_constructor_arguments}): {struct_name.replace("LDK", "")} {{ + /** Creates a new instance of {struct_name.replace("LDK","")} from a given implementation */ + public 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 = {{ {out_interface_implementation_overrides} }} as bindings.{struct_name}; -{super_constructor_statements} const ptr: number = bindings.{struct_name}_new(structImplementation{bindings_instantiator}); +{super_constructor_statements} const ptr_idx: [bigint, number] = bindings.{struct_name}_new(structImplementation{bindings_instantiator}); - impl_holder.held = new {struct_name.replace("LDK", "")}(null, ptr); + impl_holder.held = new {struct_name.replace("LDK", "")}(null, ptr_idx[0]); + impl_holder.held.instance_idx = ptr_idx[1]; impl_holder.held.bindings_instance = structImplementation; -{pointer_to_adder} return impl_holder.held; +{pointer_to_adder} return impl_holder.held!; }} + """ self.obj_defined([struct_name.replace("LDK", ""), struct_name.replace("LDK", "") + "Interface"], "structs") - out_typescript_bindings += "export interface " + struct_name + " {\n" + out_typescript_bindings += "/* @internal */\nexport 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": @@ -788,14 +1133,18 @@ export class {struct_name.replace("LDK","")} extends CommonBase {{ out_typescript_bindings += "}\n\n" - out_typescript_bindings += f"export function {struct_name}_new(impl: {struct_name}" + c_call_extra_args = "" + out_typescript_bindings += f"/* @internal */\nexport 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}" + c_call_extra_args += f", {var.arg_name}" else: - out_typescript_bindings += f", {var[1]}: {var[0]}" + out_typescript_bindings += f", {var[1]}: number" + c_call_extra_args += f", {var[1]}" + - out_typescript_bindings += f"""): number {{ + out_typescript_bindings += f"""): [bigint, number] {{ if(!isWasmInitialized) {{ throw new Error("initializeWasm() must be awaited first!"); }} @@ -804,12 +1153,10 @@ export class {struct_name.replace("LDK","")} extends CommonBase {{ if (js_objs[i] == null || js_objs[i] == undefined) {{ new_obj_idx = i; break; }} }} js_objs[i] = new WeakRef(impl); - return wasm.TS_{struct_name}_new(i); + return [wasm.TS_{struct_name}_new(i{c_call_extra_args}), i]; }} """ - 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 += "\tatomic_size_t refcnt;\n" @@ -852,26 +1199,41 @@ export class {struct_name.replace("LDK","")} extends CommonBase {{ out_c = out_c + arg_info.arg_name out_c = out_c + arg_info.ret_conv[1].replace('\n', '\n\t') + "\n" + fn_suffix = "" + assert len(fn_line.args_ty) < 7 + for arg_info in fn_line.args_ty: + if arg_info.c_ty == "uint64_t" or arg_info.c_ty == "int64_t": + fn_suffix += "b" + else: + fn_suffix += "u" + for i in range(0, 6 - len(fn_line.args_ty)): + fn_suffix += "u" if fn_line.ret_ty_info.c_ty.endswith("Array"): out_c += "\t" + fn_line.ret_ty_info.c_ty + " ret = (" + fn_line.ret_ty_info.c_ty + ")" - out_c += "js_invoke_function_" + str(len(fn_line.args_ty)) + "(j_calls->instance_ptr, " + str(self.function_ptr_counter) + out_c += "js_invoke_function_" + fn_suffix + "(j_calls->instance_ptr, " + str(self.function_ptr_counter) elif fn_line.ret_ty_info.java_ty == "void": - out_c = out_c + "\tjs_invoke_function_" + str(len(fn_line.args_ty)) + "(j_calls->instance_ptr, " + str(self.function_ptr_counter) + out_c = out_c + "\tjs_invoke_function_" + fn_suffix + "(j_calls->instance_ptr, " + str(self.function_ptr_counter) elif fn_line.ret_ty_info.java_hu_ty == "string": - out_c = out_c + "\tjstring ret = (jstring)js_invoke_function_" + str(len(fn_line.args_ty)) + "(j_calls->instance_ptr, " + str(self.function_ptr_counter) - 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->instance_ptr, " + str(self.function_ptr_counter) + out_c += "\tjstring ret = (jstring)js_invoke_function_" + fn_suffix + "(j_calls->instance_ptr, " + str(self.function_ptr_counter) + elif fn_line.ret_ty_info.arg_conv is None: + out_c += "\treturn js_invoke_function_" + fn_suffix + "(j_calls->instance_ptr, " + str(self.function_ptr_counter) else: - out_c = out_c + "\tuint32_t ret = js_invoke_function_" + str(len(fn_line.args_ty)) + "(j_calls->instance_ptr, " + str(self.function_ptr_counter) + out_c += "\tuint64_t ret = js_invoke_function_" + fn_suffix + "(j_calls->instance_ptr, " + str(self.function_ptr_counter) self.function_ptrs[self.function_ptr_counter] = (struct_name, fn_line.fn_name) self.function_ptr_counter += 1 for idx, arg_info in enumerate(fn_line.args_ty): if arg_info.ret_conv is not None: - out_c = out_c + ", (uint32_t)" + arg_info.ret_conv_name + if arg_info.c_ty.endswith("Array"): + out_c += ", (uint32_t)" + arg_info.ret_conv_name + else: + out_c += ", " + arg_info.ret_conv_name else: - out_c = out_c + ", (uint32_t)" + arg_info.arg_name + assert False # TODO: Would we need some conversion here? + out_c += ", (uint32_t)" + arg_info.arg_name + for i in range(0, 6 - len(fn_line.args_ty)): + out_c += ", 0" 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" @@ -882,9 +1244,9 @@ export class {struct_name.replace("LDK","")} extends CommonBase {{ 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: + for var in flattened_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 + "\tatomic_fetch_add_explicit(&j_calls->" + var[2].replace(".", "->") + "->refcnt, 1, memory_order_release);\n" out_c = out_c + "}\n" out_c = out_c + "static inline " + struct_name + " " + struct_name + "_init (JSValue o" @@ -935,11 +1297,11 @@ export class {struct_name.replace("LDK","")} extends CommonBase {{ 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 + "\tcalls->" + var[1] + " = ret." + var[2] + ".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) + "JSValue o" + out_c = out_c + self.c_fn_ty_pfx + "uint64_t " + self.c_fn_name_define_pfx(struct_name + "_new", True) + "JSValue o" for var in flattened_field_var_conversions: if isinstance(var, ConvInfo): out_c = out_c + ", " + var.c_ty + " " + var.arg_name @@ -954,13 +1316,16 @@ export class {struct_name.replace("LDK","")} extends CommonBase {{ else: out_c = out_c + ", " + var[1] out_c = out_c + ");\n" - out_c = out_c + "\treturn (long)res_ptr;\n" + out_c = out_c + "\treturn tag_ptr(res_ptr, true);\n" out_c = out_c + "}\n" return (out_typescript_bindings, out_typescript_human, out_c) def trait_struct_inc_refcnt(self, ty_info): - return "" + 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_cloned(&" + ty_info.var_name + "_conv);\n}" + return base_conv def map_complex_enum(self, struct_name, variant_list, camel_to_snake, enum_doc_comment): bindings_type = struct_name.replace("LDK", "") @@ -972,29 +1337,32 @@ export class {struct_name.replace("LDK","")} extends CommonBase {{ out_java_enum += (self.hu_struct_file_prefix) - java_hu_class = "" + java_hu_class = "/**\n * " + enum_doc_comment.replace("\n", "\n * ") + "\n */\n" java_hu_class += "export class " + java_hu_type + " extends CommonBase {\n" - java_hu_class += "\tprotected constructor(_dummy: object, ptr: number) { super(ptr, bindings." + bindings_type + "_free); }\n" + java_hu_class += "\tprotected constructor(_dummy: null, ptr: bigint) { super(ptr, bindings." + bindings_type + "_free); }\n" java_hu_class += "\t/* @internal */\n" - java_hu_class += f"\tpublic static constr_from_ptr(ptr: number): {java_hu_type} {{\n" + java_hu_class += f"\tpublic static constr_from_ptr(ptr: bigint): {java_hu_type} {{\n" java_hu_class += f"\t\tconst raw_ty: number = bindings." + struct_name + "_ty_from_ptr(ptr);\n" out_c += self.c_fn_ty_pfx + "uint32_t" + self.c_fn_name_define_pfx(struct_name + "_ty_from_ptr", True) + self.ptr_c_ty + " ptr) {\n" - out_c += "\t" + struct_name + " *obj = (" + struct_name + "*)(ptr & ~1);\n" + out_c += "\t" + struct_name + " *obj = (" + struct_name + "*)untag_ptr(ptr);\n" out_c += "\tswitch(obj->tag) {\n" java_hu_class += "\t\tswitch (raw_ty) {\n" java_hu_subclasses = "" - out_java += "export class " + struct_name + " {\n" + out_java += "/* @internal */\nexport class " + struct_name + " {\n" out_java += "\tprotected constructor() {}\n" var_idx = 0 for var in variant_list: - java_hu_subclasses = java_hu_subclasses + "export class " + java_hu_type + "_" + var.var_name + " extends " + java_hu_type + " {\n" + java_hu_subclasses += "/** A " + java_hu_type + " of type " + var.var_name + " */\n" + java_hu_subclasses += "export class " + java_hu_type + "_" + var.var_name + " extends " + java_hu_type + " {\n" java_hu_class += f"\t\t\tcase {var_idx}: " java_hu_class += "return new " + java_hu_type + "_" + var.var_name + "(ptr);\n" out_c += f"\t\tcase {struct_name}_{var.var_name}: return {var_idx};\n" hu_conv_body = "" for idx, (field_ty, field_docs) in enumerate(var.fields): - java_hu_subclasses = java_hu_subclasses + "\tpublic " + field_ty.arg_name + f": {field_ty.java_hu_ty};\n" + if field_docs is not None: + java_hu_subclasses += "\t/**\n\t * " + field_docs.replace("\n", "\n\t * ") + "\n\t */\n" + 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 += f"\t\tconst {field_ty.arg_name}: {field_ty.java_ty} = bindings.{struct_name}_{var.var_name}_get_{field_ty.arg_name}(ptr);\n" hu_conv_body += f"\t\t" + field_ty.to_hu_conv.replace("\n", "\n\t\t\t") + "\n" @@ -1002,13 +1370,13 @@ export class {struct_name.replace("LDK","")} extends CommonBase {{ else: hu_conv_body += f"\t\tthis.{field_ty.arg_name} = bindings.{struct_name}_{var.var_name}_get_{field_ty.arg_name}(ptr);\n" java_hu_subclasses += "\t/* @internal */\n" - java_hu_subclasses += "\tpublic constructor(ptr: number) {\n\t\tsuper(null, ptr);\n" + java_hu_subclasses += "\tpublic constructor(ptr: bigint) {\n\t\tsuper(null, ptr);\n" java_hu_subclasses = java_hu_subclasses + hu_conv_body java_hu_subclasses = java_hu_subclasses + "\t}\n}\n" var_idx += 1 out_java += "}\n" java_hu_class += "\t\t\tdefault:\n\t\t\t\tthrow new Error('oops, this should be unreachable'); // Unreachable without extending the (internal) bindings interface\n\t\t}\n\t}\n\n" - out_java += self.fn_call_body(struct_name + "_ty_from_ptr", "uint32_t", "number", "ptr: number", "ptr") + out_java += self.fn_call_body(struct_name + "_ty_from_ptr", "uint32_t", "number", "ptr: bigint", "ptr") out_c += ("\t\tdefault: abort();\n") out_c += ("\t}\n}\n") @@ -1016,10 +1384,10 @@ export class {struct_name.replace("LDK","")} extends CommonBase {{ for idx, (field_map, _) in enumerate(var.fields): fn_name = f"{struct_name}_{var.var_name}_get_{field_map.arg_name}" out_c += self.c_fn_ty_pfx + field_map.c_ty + self.c_fn_name_define_pfx(fn_name, True) + self.ptr_c_ty + " ptr) {\n" - out_c += "\t" + struct_name + " *obj = (" + struct_name + "*)(ptr & ~1);\n" + out_c += "\t" + struct_name + " *obj = (" + struct_name + "*)untag_ptr(ptr);\n" out_c += f"\tassert(obj->tag == {struct_name}_{var.var_name});\n" 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 += ("\t" + field_map.ret_conv[0].replace("\n", "\n\t")) if var.tuple_variant: out_c += "obj->" + camel_to_snake(var.var_name) else: @@ -1032,26 +1400,39 @@ export class {struct_name.replace("LDK","")} extends CommonBase {{ else: out_c += "\treturn " + "obj->" + camel_to_snake(var.var_name) + "." + field_map.arg_name + ";\n" out_c += "}\n" - out_java += self.fn_call_body(fn_name, field_map.c_ty, field_map.java_ty, "ptr: number", "ptr") + out_java += self.fn_call_body(fn_name, field_map.c_ty, field_map.java_ty, "ptr: bigint", "ptr") out_java_enum += java_hu_class self.struct_file_suffixes[java_hu_type] = java_hu_subclasses self.obj_defined([java_hu_type], "structs") return (out_java, out_java_enum, out_c) def map_opaque_struct(self, struct_name, struct_doc_comment): - implementations = "" method_header = "" - hu_name = struct_name.replace("LDKC2Tuple", "TwoTuple").replace("LDKC3Tuple", "ThreeTuple").replace("LDK", "") + hu_name = struct_name.replace("LDKC2Tuple", "TwoTuple").replace("LDKC3Tuple", "ThreeTuple").replace("LDKC4Tuple", "FourTuple").replace("LDK", "") out_opaque_struct_human = f"{self.hu_struct_file_prefix}" - if struct_name.startswith("LDKLocked"): - out_opaque_struct_human += "/** XXX: DO NOT USE THIS - it remains locked until the GC runs (if that ever happens */" + constructor_body = "super(ptr, bindings." + struct_name.replace("LDK","") + "_free);" + extra_docs = "" + extra_body = "" + if struct_name.startswith("LDKLocked") or struct_name.startswith("LDKReadOnly"): + extra_docs = "\n * This type represents a lock and MUST BE MANUALLY FREE'd!" + constructor_body = 'super(ptr, () => { throw new Error("Locks must be manually freed with free()"); });' + extra_body = f""" + /** Releases this lock */ + public free() {{ + bindings.{struct_name.replace("LDK","")}_free(this.ptr); + CommonBase.set_null_skip_free(this); + }}""" + formatted_doc_comment = struct_doc_comment.replace("\n", "\n * ") out_opaque_struct_human += f""" -export class {hu_name} extends CommonBase {implementations}{{ +/**{extra_docs} + * {formatted_doc_comment} + */ +export class {hu_name} extends CommonBase {{ /* @internal */ - public constructor(_dummy: object, ptr: number) {{ - super(ptr, bindings.{struct_name.replace("LDK","")}_free); - }} + public constructor(_dummy: null, ptr: bigint) {{ + {constructor_body} + }}{extra_body} """ self.obj_defined([hu_name], "structs") @@ -1068,7 +1449,7 @@ export class {hu_name} extends CommonBase {implementations}{{ suffixes += "\tpublic res: " + res_map.java_hu_ty + ";\n" suffixes += f""" /* @internal */ - public constructor(_dummy: object, ptr: number) {{ + public constructor(_dummy: null, ptr: bigint) {{ super(_dummy, ptr); """ if res_map.java_hu_ty == "void": @@ -1086,7 +1467,7 @@ export class {hu_name} extends CommonBase {implementations}{{ suffixes += "\tpublic err: " + err_map.java_hu_ty + ";\n" suffixes += f""" /* @internal */ - public constructor(_dummy: object, ptr: number) {{ + public constructor(_dummy: null, ptr: bigint) {{ super(_dummy, ptr); """ if err_map.java_hu_ty == "void": @@ -1105,11 +1486,11 @@ export class {hu_name} extends CommonBase {implementations}{{ return f"""{self.hu_struct_file_prefix} export class {human_ty} extends CommonBase {{ - protected constructor(_dummy: object, ptr: number) {{ + protected constructor(_dummy: null, ptr: bigint) {{ super(ptr, bindings.{struct_name.replace("LDK","")}_free); }} /* @internal */ - public static constr_from_ptr(ptr: number): {human_ty} {{ + public static constr_from_ptr(ptr: bigint): {human_ty} {{ if (bindings.{struct_name.replace("LDK", "")}_is_ok(ptr)) {{ return new {human_ty}_OK(null, ptr); }} else {{ @@ -1124,7 +1505,8 @@ export class {human_ty} extends CommonBase {{ if not has_return_value: return_statement = '// debug statements here' - return f"""export function {method_name}({method_argument_string}): {return_java_ty} {{ + return f"""/* @internal */ +export function {method_name}({method_argument_string}): {return_java_ty} {{ if(!isWasmInitialized) {{ throw new Error("initializeWasm() must be awaited first!"); }} @@ -1160,6 +1542,9 @@ export class {human_ty} extends CommonBase {{ out_java = self.fn_call_body(method_name, return_type_info.c_ty, return_type_info.java_ty, method_argument_string, native_call_argument_string) out_java_struct = "" + if doc_comment is not None: + out_java_struct = "\t/**\n\t * " + doc_comment.replace("\n", "\n\t * ") + "\n\t */\n" + if not args_known: out_java_struct += ("\t// Skipped " + method_name + "\n") else: @@ -1182,6 +1567,8 @@ export class {human_ty} extends CommonBase {{ out_java_struct += arg.arg_name + "_" + explode_arg.arg_name + ": " + explode_arg.java_hu_ty else: out_java_struct += arg.arg_name + ": " + arg.java_hu_ty + if arg.nullable: + out_java_struct += "|null" out_c += (") {\n") if out_java_struct is not None: @@ -1287,13 +1674,13 @@ export class {human_ty} extends CommonBase {{ with open(self.outdir + "/bindings.mts", "a") as bindings: bindings.write(""" -js_invoke = function(obj_ptr: number, fn_id: number, arg1: number, arg2: number, arg3: number, arg4: number, arg5: number, arg6: number, arg7: number, arg8: number, arg9: number, arg10: number) { - const weak: WeakRef = js_objs[obj_ptr]; +js_invoke = function(obj_ptr: number, fn_id: number, arg1: bigint|number, arg2: bigint|number, arg3: bigint|number, arg4: bigint|number, arg5: bigint|number, arg6: bigint|number, arg7: bigint|number, arg8: bigint|number, arg9: bigint|number, arg10: bigint|number) { + const weak: WeakRef|undefined = js_objs[obj_ptr]; if (weak == null || weak == undefined) { console.error("Got function call on unknown/free'd JS object!"); throw new Error("Got function call on unknown/free'd JS object!"); } - const obj: object = weak.deref(); + const obj = weak.deref(); if (obj == null || obj == undefined) { console.error("Got function call on GC'd JS object!"); throw new Error("Got function call on GC'd JS object!"); @@ -1305,12 +1692,21 @@ js_invoke = function(obj_ptr: number, fn_id: number, arg1: number, arg2: number, bindings.write(f"\t\tcase {str(f)}: fn = Object.getOwnPropertyDescriptor(obj, \"{self.function_ptrs[f][1]}\"); break;\n") bindings.write("""\t\tdefault: - console.error("Got unknown function call from C!"); - throw new Error("Got unknown function call from C!"); + console.error("Got unknown function call with id " + fn_id + " from C!"); + throw new Error("Got unknown function call with id " + fn_id + " from C!"); } if (fn == null || fn == undefined) { - console.error("Got function call on incorrect JS object!"); - throw new Error("Got function call on incorrect JS object!"); + console.error("Got function call with id " + fn_id + " on incorrect JS object: " + obj); + throw new Error("Got function call with id " + fn_id + " on incorrect JS object: " + obj); + } + var ret; + try { + ret = fn.value.bind(obj)(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10); + } catch (e) { + console.error("Got an exception calling function with id " + fn_id + "! This is fatal."); + console.error(e); + throw e; } - return fn.value.bind(obj)(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10); + if (ret === undefined || ret === null) return BigInt(0); + return BigInt(ret); }""")