self.util_fn_sfx = ""
self.common_base = """
- export default class CommonBase {
- protected ptr: number;
- protected ptrs_to: object[] = [];
- 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));
+ }
+ }
+ // 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 get_ptr_of(o: CommonBase) {
+ return o.ptr;
+ }
+ protected static set_null_skip_free(o: CommonBase) {
+ o.ptr = 0;
+ finalizer.unregister(o);
+ }
+}
"""
self.c_file_pfx = """#include "js-wasm.h"
self.c_version_file = ""
- self.hu_struct_file_prefix = f"""
-import CommonBase from './CommonBase';
+ 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 = """
-function freer(f: () => void) { f() }
-const finalizer = new FinalizationRegistry(freer);
const memory = new WebAssembly.Memory({initial: 256});
const imports: any = {};
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):
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_java_enum += (self.hu_struct_file_prefix)
java_hu_class = ""
- java_hu_class += "export default class " + java_hu_type + " extends CommonBase {\n"
- java_hu_class += "\tprotected constructor(_dummy: object, ptr: number) { super(ptr); }\n"
- java_hu_class += "\tprotected finalize() {\n"
- java_hu_class += "\t\tsuper.finalize();\n"
- java_hu_class += "\t\tif (this.ptr != 0) { bindings." + java_hu_type + "_free(this.ptr); }\n"
- java_hu_class += "\t}\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 += "\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"
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):
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}{{
- /* @internal */
- public 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):
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