BROWSER = 2
class Consts:
- def __init__(self, DEBUG: bool, target: Target, **kwargs):
-
+ def __init__(self, DEBUG: bool, target: Target, outdir: str, **kwargs):
+ self.outdir = outdir
+ self.struct_file_suffixes = {}
self.c_type_map = dict(
uint8_t = ['number', 'Uint8Array'],
uint16_t = ['number', 'Uint16Array'],
)
self.wasm_decoding_map = dict(
- int8_tArray = 'decodeArray'
+ int8_tArray = 'decodeUint8Array'
)
self.wasm_encoding_map = dict(
- int8_tArray = 'encodeArray',
+ int8_tArray = 'encodeUint8Array',
)
self.to_hu_conv_templates = dict(
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.bindings_footer = ""
self.util_fn_pfx = ""
self.util_fn_sfx = ""
self.common_base = """
- export default class CommonBase {
- ptr: number;
- 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
- }
- }
+function freer(f: () => void) { f() }
+const finalizer = new FinalizationRegistry(freer);
+function get_freeer(ptr: number, free_fn: (number) => void) {
+ return () => {
+ free_fn(ptr);
+ }
+}
+
+export default class CommonBase {
+ protected ptr: number;
+ protected ptrs_to: object[] = [];
+ protected constructor(ptr: number, free_fn: (ptr: number) => void) {
+ this.ptr = ptr;
+ if (Number.isFinite(ptr) && ptr != 0){
+ finalizer.register(this, get_freeer(ptr, free_fn));
+ }
+ }
+ protected static add_ref_from(holder: CommonBase, referent: object) {
+ holder.ptrs_to.push(referent);
+ }
+ public _test_only_get_ptr(): number { return this.ptr; }
+}
"""
self.c_file_pfx = """#include "js-wasm.h"
self.c_version_file = ""
- self.hu_struct_file_prefix = f"""
-import CommonBase from './CommonBase';
-import * as bindings from '../bindings' // TODO: figure out location
+ self.hu_struct_file_prefix = """
+import CommonBase from './CommonBase.mjs';
+import * as bindings from '../bindings.mjs'
"""
self.c_fn_ty_pfx = ""
- self.file_ext = ".ts"
+ self.file_ext = ".mts"
self.ptr_c_ty = "uint32_t"
self.ptr_native_ty = "number"
self.result_c_ty = "uint32_t"
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');
-
+ res = """
const memory = new WebAssembly.Memory({initial: 256});
-const wasmModule = new WebAssembly.Module(source);
const imports: any = {};
imports.env = {};
imports.env.table = new WebAssembly.Table({initial: 4, element: 'anyfunc'});
imports.env["abort"] = function () {
- console.error("ABORT");
+ console.error("ABORT");
+};
+imports.env["js_invoke_function"] = function(fn: number, arg1: number, arg2: number, arg3: number, arg4: number, arg5: number, arg6: number, arg7: number, arg8: number, arg9: number, arg10: number) {
+ console.log('function called from wasm:', fn, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10);
+};
+imports.env["js_free_function_ptr"] = function(fn: number) {
+ console.log("function ptr free'd from wasm:", fn);
+};
+
+imports.wasi_snapshot_preview1 = {
+ "fd_write" : () => {
+ console.log("ABORT");
+ },
+ "random_get" : () => {
+ console.log("RAND GET");
+ },
+ "environ_sizes_get" : () => {
+ console.log("wasi_snapshot_preview1:environ_sizes_get");
+ },
+ "proc_exit" : () => {
+ console.log("wasi_snapshot_preview1:proc_exit");
+ },
+ "environ_get" : () => {
+ console.log("wasi_snapshot_preview1:environ_get");
+ },
};
-let wasm = null;
+var wasm = null;
let isWasmInitialized: boolean = false;
+"""
+
+ if target == Target.NODEJS:
+ res += """import * as fs from 'fs';
+export async function initializeWasm(path) {
+ const source = fs.readFileSync(path);
+ const { instance: wasmInstance } = await WebAssembly.instantiate(source, imports);
+ wasm = wasmInstance.exports;
+ isWasmInitialized = true;
+};
+"""
+ else:
+ res += """
+export async function initializeWasm(uri) {
+ const stream = fetch(uri);
+ const { instance: wasmInstance } = await WebAssembly.instantiateStreaming(stream, imports);
+ wasm = wasmInstance.exports;
+ isWasmInitialized = true;
+};
+
+"""
+
+ return res + """
// WASM CODEC
const nextMultipleOfFour = (value: number) => {
- return Math.ceil(value / 4) * 4;
+ 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;
+ arrayLengthView[0] = inputArray.length;
const arrayMemoryView = new Uint8Array(memory.buffer, cArrayPointer + 4, inputArray.length);
arrayMemoryView.set(inputArray);
return cArrayPointer;
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;
+ arrayMemoryView[0] = inputArray.length;
return cArrayPointer;
}
}
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;
+ // 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 = '';
+ const memoryView = new Uint8Array(memory.buffer, stringPointer);
+ let cursor = 0;
+ let result = '';
- while (memoryView[cursor] !== 0) {
- result += String.fromCharCode(memoryView[cursor]);
- cursor++;
- }
+ while (memoryView[cursor] !== 0) {
+ result += String.fromCharCode(memoryView[cursor]);
+ cursor++;
+ }
- if (free) {
- wasm.wasm_free(stringPointer);
- }
+ if (free) {
+ wasm.wasm_free(stringPointer);
+ }
- return result;
+ return result;
};
"""
- return ''
def init_str(self):
return ""
+ def var_decl_statement(self, ty_string, var_name, statement):
+ return "const " + var_name + ": " + ty_string + " = " + statement
+
+ def add_ref(self, holder, referent):
+ return "CommonBase.add_ref_from(" + holder + ", " + referent + ")"
+
+ def obj_defined(self, struct_names, folder):
+ with open(self.outdir + "/index.mts", 'a') as index:
+ index.write(f"export * from './{folder}/{struct_names[0]}.mjs';\n")
+ 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 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"
out_c = out_c + "\t}\n"
out_c = out_c + "}\n"
- out_typescript_enum = f"""
+ out_typescript = f"""
export enum {struct_name} {{
{out_typescript_enum_fields}
}}
"""
-
- return (out_c, out_typescript_enum, "")
+ out_typescript_enum = f"export {{ {struct_name} }} from \"../bindings.mjs\";"
+ self.obj_defined([struct_name], "enums")
+ return (out_c, out_typescript_enum, out_typescript)
def c_unitary_enum_to_native_call(self, ty_info):
return (ty_info.rust_obj + "_to_js(", ")")
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});
- }}
- }}
+{self.hu_struct_file_prefix}
- export interface {struct_name.replace("LDK", "")}Interface {{
- {out_java_interface}
- }}
+{struct_name.replace("LDK","")} extends CommonBase {{
- class {struct_name}Holder {{
- held: {struct_name.replace("LDK", "")};
- }}
+ bindings_instance?: bindings.{struct_name};
+
+ constructor(ptr?: number, arg?: bindings.{struct_name}{constructor_arguments}) {{
+ if (Number.isFinite(ptr)) {{
+ super(ptr, bindings.{struct_name.replace("LDK","")}_free);
+ 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}
+ }}
+ }}
+
+ 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"
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\tjs_free_function_ptr(j_calls->" + fn.fn_name + "_meth);\n"
out_c = out_c + "\t\tFREE(j_calls);\n"
out_c = out_c + "\t}\n}\n"
return ""
def map_complex_enum(self, struct_name, variant_list, camel_to_snake, enum_doc_comment):
- java_hu_type = struct_name.replace("LDK", "")
+ bindings_type = struct_name.replace("LDK", "")
+ java_hu_type = struct_name.replace("LDK", "").replace("COption", "Option")
out_java_enum = ""
out_java = ""
out_c = ""
out_java_enum += (self.hu_struct_file_prefix)
- out_java_enum += ("export default class " + java_hu_type + " extends CommonBase {\n")
- out_java_enum += ("\tprotected constructor(_dummy: object, ptr: number) { super(ptr); }\n")
- out_java_enum += ("\tprotected finalize() {\n")
- out_java_enum += ("\t\tsuper.finalize();\n")
- out_java_enum += ("\t\tif (this.ptr != 0) { bindings." + java_hu_type + "_free(this.ptr); }\n")
- out_java_enum += ("\t}\n")
- out_java_enum += f"\tstatic constr_from_ptr(ptr: number): {java_hu_type} {{\n"
- out_java_enum += (f"\t\tconst raw_val: bindings.{struct_name} = bindings." + struct_name + "_ref_from_ptr(ptr);\n")
+
+ java_hu_class = ""
+ 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 += "\t/* @internal */\n"
+ java_hu_class += f"\tpublic static constr_from_ptr(ptr: number): {java_hu_type} {{\n"
+ java_hu_class += f"\t\tconst raw_val: bindings.{struct_name} = bindings." + struct_name + "_ref_from_ptr(ptr);\n"
java_hu_subclasses = ""
out_java += "\texport class " + struct_name + " {\n"
java_subclasses = ""
for var in variant_list:
java_subclasses += "\texport class " + struct_name + "_" + 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")
+ java_hu_subclasses = java_hu_subclasses + "export class " + java_hu_type + "_" + var.var_name + " extends " + java_hu_type + " {\n"
+ java_hu_class += "\t\tif (raw_val instanceof bindings." + struct_name + "_" + var.var_name + ") {\n"
+ java_hu_class += "\t\t\treturn new " + java_hu_type + "_" + var.var_name + "(ptr, raw_val);\n"
init_meth_params = ""
hu_conv_body = ""
for idx, (field_ty, field_docs) in enumerate(var.fields):
init_meth_params += "public " + field_ty.arg_name + ": " + field_ty.java_ty
java_subclasses += "\t\tconstructor(" + init_meth_params + ") { super(); }\n"
java_subclasses += "\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_class += "\t\t}\n"
+ java_hu_subclasses += "\t/* @internal */\n"
+ java_hu_subclasses += "\tpublic 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}\n")
out_java += java_subclasses
- out_java_enum += ("\t\tthrow new Error('oops, this should be unreachable'); // Unreachable without extending the (internal) bindings interface\n\t}\n\n")
+ java_hu_class += "\t\tthrow new Error('oops, this should be unreachable'); // Unreachable without extending the (internal) bindings interface\n\t}\n\n"
out_java += self.fn_call_body(struct_name + "_ref_from_ptr", "uint32_t", "number", "ptr: number", "ptr")
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\t}\n")
out_c += ("\t\tdefault: abort();\n")
out_c += ("\t}\n}\n")
- out_java_enum += ("}\n")
- out_java_enum += (java_hu_subclasses)
+ 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 = ""
if struct_name.startswith("LDKLocked"):
- implementations += "implements AutoCloseable "
- method_header = """
- public close() {
-"""
- else:
- method_header = """
- protected finalize() {
- super.finalize();
-"""
+ return "NOT IMPLEMENTED"
- out_opaque_struct_human = f"""
- {self.hu_struct_file_prefix}
+ hu_name = struct_name.replace("LDKC2Tuple", "TwoTuple").replace("LDKC3Tuple", "ThreeTuple").replace("LDK", "")
+ 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);
- }}
+export class {hu_name} extends CommonBase {implementations}{{
+ /* @internal */
+ public constructor(_dummy: object, ptr: number) {{
+ super(ptr, bindings.{struct_name.replace("LDK","")}_free);
+ }}
- {method_header}
- if (this.ptr != 0) {{
- bindings.{struct_name.replace("LDK","")}_free(this.ptr);
- }}
- }}
"""
+ self.obj_defined([hu_name], "structs")
return out_opaque_struct_human
def map_tuple(self, struct_name):
if(!isWasmInitialized) {{
throw new Error("initializeWasm() must be awaited first!");
}}
- const nativeResponseValue = wasm.{method_name}({native_call_argument_string});
+ const nativeResponseValue = wasm.TS_{method_name}({native_call_argument_string});
{return_statement}
}}
"""
else:
if not takes_self:
out_java_struct += (
- "\tpublic static " + return_type_info.java_hu_ty + " constructor_" + meth_n + "(")
+ "\tpublic static constructor_" + meth_n + "(")
else:
- out_java_struct += ("\tpublic " + return_type_info.java_hu_ty + " " + meth_n + "(")
+ out_java_struct += ("\tpublic " + meth_n + "(")
for idx, arg in enumerate(argument_types):
if idx != 0:
if not takes_self or idx > 1:
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)
+ out_java_struct += arg.arg_name + "_" + explode_arg.arg_name + ": " + explode_arg.java_hu_ty
else:
- out_java_struct += (arg.java_hu_ty + " " + arg.arg_name)
+ out_java_struct += arg.arg_name + ": " + arg.java_hu_ty
out_c += (") {\n")
if out_java_struct is not None:
- out_java_struct += (") {\n")
+ out_java_struct += "): " + return_type_info.java_hu_ty + " {\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 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 += "const ret: " + return_type_info.java_ty + " = "
out_java_struct += ("bindings." + method_name + "(")
for idx, info in enumerate(argument_types):
if idx != 0:
out_java_struct += ("\t}\n\n")
return (out_java, out_c, out_java_struct)
+
+ def cleanup(self):
+ for struct in self.struct_file_suffixes:
+ with open(self.outdir + "/structs/" + struct + self.file_ext, "a") as src:
+ src.write(self.struct_file_suffixes[struct])