finalizer.register(this, get_freeer(ptr, free_fn));
}
}
+ // 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);
}
- public _test_only_get_ptr(): number { return this.ptr; }
+ protected static get_ptr_of(o: CommonBase) {
+ return o.ptr;
+ }
+ protected static set_null_skip_free(o: CommonBase) {
+ o.ptr = 0;
+ finalizer.unregister(o);
+ }
}
"""
self.hu_struct_file_prefix = """
import CommonBase from './CommonBase.mjs';
import * as bindings from '../bindings.mjs'
+import * as InternalUtils from '../InternalUtils.mjs'
"""
self.c_fn_ty_pfx = ""
self.is_arr_some_check = ("", " != 0")
self.get_native_arr_len_call = ("", "->arr_len")
+ with open(outdir + "/InternalUtils.mts", "w") as f:
+ f.write("export function check_arr_len(arr: Uint8Array, len: number): Uint8Array {\n")
+ f.write("\tif (arr.length != len) { throw new Error(\"Expected array of length \" + len + \"got \" + arr.length); }\n")
+ f.write("\treturn arr;\n")
+ f.write("}")
+
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):
def wasm_import_header(self, target):
res = """
-const memory = new WebAssembly.Memory({initial: 256});
-
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'});
const encodeUint8Array = (inputArray) => {
const cArrayPointer = wasm.TS_malloc(inputArray.length + 4);
- const arrayLengthView = new Uint32Array(memory.buffer, cArrayPointer, 1);
+ const arrayLengthView = new Uint32Array(wasm.memory.buffer, cArrayPointer, 1);
arrayLengthView[0] = inputArray.length;
- const arrayMemoryView = new Uint8Array(memory.buffer, cArrayPointer + 4, inputArray.length);
+ const arrayMemoryView = new Uint8Array(wasm.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);
+ const arrayMemoryView = new Uint32Array(wasm.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
+ wasm.memory.buffer, // value
arrayPointer, // offset
1 // one int
);
const decodeUint8Array = (arrayPointer, free = true) => {
const arraySize = getArrayLength(arrayPointer);
const actualArrayViewer = new Uint8Array(
- memory.buffer, // value
+ wasm.memory.buffer, // value
arrayPointer + 4, // offset (ignoring length bytes)
arraySize // uint8 count
);
const decodeUint32Array = (arrayPointer, free = true) => {
const arraySize = getArrayLength(arrayPointer);
const actualArrayViewer = new Uint32Array(
- memory.buffer, // value
+ wasm.memory.buffer, // value
arrayPointer + 4, // offset (ignoring length bytes)
arraySize // uint32 count
);
const memoryNeed = nextMultipleOfFour(string.length + 1);
const stringPointer = wasm.TS_malloc(memoryNeed);
const stringMemoryView = new Uint8Array(
- memory.buffer, // value
+ wasm.memory.buffer, // value
stringPointer, // offset
string.length + 1 // length
);
}
const decodeString = (stringPointer, free = true) => {
- const memoryView = new Uint8Array(memory.buffer, stringPointer);
+ const memoryView = new Uint8Array(wasm.memory.buffer, stringPointer);
let cursor = 0;
let result = '';
def var_decl_statement(self, ty_string, var_name, statement):
return "const " + var_name + ": " + ty_string + " = " + statement
+ def get_ptr(self, var):
+ return "CommonBase.get_ptr_of(" + var + ")"
+ def set_null_skip_free(self, var):
+ return "CommonBase.set_null_skip_free(" + var + ");"
+
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_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):
out_c += ("\t}\n}\n")
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):
}}
"""
+ self.obj_defined([hu_name], "structs")
return out_opaque_struct_human
def map_tuple(self, struct_name):
return self.map_opaque_struct(struct_name, "A Tuple")
+ def map_result(self, struct_name, res_map, err_map):
+ human_ty = struct_name.replace("LDKCResult", "Result")
+
+ suffixes = f"export class {human_ty}_OK extends {human_ty} {{\n"
+ if res_map.java_hu_ty != "void":
+ suffixes += "\tpublic res: " + res_map.java_hu_ty + ";\n"
+ suffixes += f"""
+ /* @internal */
+ public constructor(_dummy: object, ptr: number) {{
+ super(_dummy, ptr);
+"""
+ if res_map.java_hu_ty == "void":
+ pass
+ elif res_map.to_hu_conv is not None:
+ suffixes += "\t\tconst res: " + res_map.java_ty + " = bindings." + struct_name.replace("LDK", "") + "_get_ok(ptr);\n"
+ suffixes += "\t\t" + res_map.to_hu_conv.replace("\n", "\n\t\t")
+ suffixes += "\n\t\tthis.res = " + res_map.to_hu_conv_name + ";\n"
+ else:
+ suffixes += "\t\tthis.res = bindings." + struct_name.replace("LDK", "") + "_get_ok(ptr);\n"
+ suffixes += "\t}\n}\n"
+
+ suffixes += f"export class {human_ty}_Err extends {human_ty} {{\n"
+ if err_map.java_hu_ty != "void":
+ suffixes += "\tpublic err: " + err_map.java_hu_ty + ";\n"
+ suffixes += f"""
+ /* @internal */
+ public constructor(_dummy: object, ptr: number) {{
+ super(_dummy, ptr);
+"""
+ if err_map.java_hu_ty == "void":
+ pass
+ elif err_map.to_hu_conv is not None:
+ suffixes += "\t\tconst err: " + err_map.java_ty + " = bindings." + struct_name.replace("LDK", "") + "_get_err(ptr);\n"
+ suffixes += "\t\t" + err_map.to_hu_conv.replace("\n", "\n\t\t")
+ suffixes += "\n\t\tthis.err = " + err_map.to_hu_conv_name + ";\n"
+ else:
+ suffixes += "\t\tthis.err = bindings." + struct_name.replace("LDK", "") + "_get_err(ptr);\n"
+ suffixes += "\t}\n}"
+
+ self.struct_file_suffixes[human_ty] = suffixes
+ self.obj_defined([human_ty], "structs")
+
+ return f"""{self.hu_struct_file_prefix}
+
+export class {human_ty} extends CommonBase {{
+ protected constructor(_dummy: object, ptr: number) {{
+ super(ptr, bindings.{struct_name.replace("LDK","")}_free);
+ }}
+ /* @internal */
+ public static constr_from_ptr(ptr: number): {human_ty} {{
+ if (bindings.{struct_name.replace("LDK", "")}_is_ok(ptr)) {{
+ return new {human_ty}_OK(null, ptr);
+ }} else {{
+ return new {human_ty}_Err(null, ptr);
+ }}
+ }}
+"""
+
def fn_call_body(self, method_name, return_c_ty, return_java_ty, method_argument_string, native_call_argument_string):
has_return_value = return_c_ty != 'void'
needs_decoding = return_c_ty in self.wasm_decoding_map
projects / ldk-java / blobdiff