(set_pfx, set_sfx) = self.consts.set_native_arr_contents(arr_name + "_arr", arr_len, ty_info)
ret_conv = ("int8_tArray " + arr_name + "_arr = " + self.consts.create_native_arr_call(arr_len, ty_info) + ";\n" + set_pfx, "")
arg_conv_cleanup = None
- from_hu_conv = None
if not arr_len.isdigit():
arg_conv = ty_info.rust_obj + " " + arr_name + "_ref;\n"
arg_conv = arg_conv + arr_name + "_ref." + arr_len + " = " + self.consts.get_native_arr_len_call[0] + arr_name + self.consts.get_native_arr_len_call[1] + ";\n"
ret_conv = (ret_conv[0], ret_conv[1] + pfx + arr_name + "_var." + ty_info.arr_access + sfx + ";")
if not holds_ref and ty_info.rust_obj != "LDKu8slice":
ret_conv = (ret_conv[0], ret_conv[1] + "\n" + ty_info.rust_obj.replace("LDK", "") + "_free(" + arr_name + "_var);")
+ from_hu_conv = self.consts.primitive_arr_from_hu(ty_info.subty, None, arr_name)
+ to_hu_conv = self.consts.primitive_arr_to_hu(ty_info.subty, None, arr_name, arr_name + "_conv")
elif ty_info.rust_obj is not None:
arg_conv = ty_info.rust_obj + " " + arr_name + "_ref;\n"
arg_conv = arg_conv + "CHECK(" + self.consts.get_native_arr_len_call[0] + arr_name + self.consts.get_native_arr_len_call[1] + " == " + arr_len + ");\n"
arg_conv = arg_conv + self.consts.get_native_arr_contents(arr_name, arr_name + "_ref." + ty_info.arr_access, arr_len, ty_info, True) + ";"
ret_conv = (ret_conv[0], "." + ty_info.arr_access + set_sfx + ";")
- from_hu_conv = ("InternalUtils.check_arr_len(" + arr_name + ", " + arr_len + ")", "")
+ from_hu_conv = self.consts.primitive_arr_from_hu(ty_info.subty, arr_len, arr_name)
+ to_hu_conv = self.consts.primitive_arr_to_hu(ty_info.subty, None, arr_name, arr_name + "_conv")
else:
arg_conv = "unsigned char " + arr_name + "_arr[" + arr_len + "];\n"
arg_conv = arg_conv + "CHECK(" + self.consts.get_native_arr_len_call[0] + arr_name + self.consts.get_native_arr_len_call[1] + " == " + arr_len + ");\n"
arg_conv = arg_conv + self.consts.get_native_arr_contents(arr_name, arr_name + "_arr", arr_len, ty_info, True) + ";\n"
arg_conv = arg_conv + "unsigned char (*" + arr_name + "_ref)[" + arr_len + "] = &" + arr_name + "_arr;"
ret_conv = (ret_conv[0] + "*", set_sfx + ";")
- from_hu_conv = ("InternalUtils.check_arr_len(" + arr_name + ", " + arr_len + ")", "")
+ from_hu_conv = self.consts.primitive_arr_from_hu(ty_info.subty, arr_len, arr_name)
+ to_hu_conv = self.consts.primitive_arr_to_hu(ty_info.subty, None, arr_name, arr_name + "_conv")
+ to_hu_conv_name = None
+ if to_hu_conv is not None:
+ to_hu_conv_name = arr_name + "_conv"
return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
arg_conv = arg_conv, arg_conv_name = arr_name + "_ref", arg_conv_cleanup = arg_conv_cleanup,
- ret_conv = ret_conv, ret_conv_name = arr_name + "_arr", to_hu_conv = None, to_hu_conv_name = None,
+ ret_conv = ret_conv, ret_conv_name = arr_name + "_arr",
+ to_hu_conv = to_hu_conv, to_hu_conv_name = to_hu_conv_name,
from_hu_conv = from_hu_conv)
else:
assert not arr_len.isdigit() # fixed length arrays not implemented
- assert ty_info.java_ty[len(ty_info.java_ty) - 2:] == "[]"
+ assert ty_info.java_hu_ty[len(ty_info.java_hu_ty) - 2:] == "[]"
if arr_name == "":
arr_name = "ret"
conv_name = arr_name + "_conv_" + str(len(ty_info.java_hu_ty))
to_hu_conv = None
to_hu_conv_name = None
if subty.to_hu_conv is not None:
- to_hu_conv = self.consts.var_decl_statement(ty_info.java_hu_ty, conv_name + "_arr", self.consts.constr_hu_array(ty_info, arr_name + ".length"))
- to_hu_conv += ";\n" + self.consts.for_n_in_range(idxc, "0", arr_name + ".length") + "\n"
- to_hu_conv += "\t" + self.consts.var_decl_statement(subty.java_ty, conv_name, arr_name + "[" + idxc + "]") + ";\n"
+ to_hu_conv = self.consts.var_decl_statement(self.consts.c_type_map["uint32_t"][0], conv_name + "_len", self.consts.get_java_arr_len(arr_name)) + ";\n"
+ to_hu_conv += self.consts.var_decl_statement(ty_info.java_hu_ty, conv_name + "_arr", self.consts.constr_hu_array(ty_info, conv_name + "_len"))
+ to_hu_conv += ";\n" + self.consts.for_n_in_range(idxc, "0", conv_name + "_len") + "\n"
+ to_hu_conv += "\t" + self.consts.var_decl_statement(subty.java_ty, conv_name, self.consts.get_java_arr_elem(subty, arr_name, idxc)) + ";\n"
to_hu_conv += "\t" + subty.to_hu_conv.replace("\n", "\n\t") + "\n"
to_hu_conv += "\t" + conv_name + "_arr[" + idxc + "] = " + subty.to_hu_conv_name + ";\n}"
to_hu_conv_name = conv_name + "_arr"
- from_hu_conv = None
+ from_hu_conv = self.consts.primitive_arr_from_hu(ty_info.subty, None, arr_name)
if subty.from_hu_conv is not None:
hu_conv_b = ""
if subty.from_hu_conv[1] != "":
iterator = self.consts.for_n_in_arr(conv_name, arr_name, subty)
hu_conv_b = iterator[0] + subty.from_hu_conv[1] + ";" + iterator[1]
- from_hu_conv = (self.consts.map_hu_array_elems(arr_name, conv_name, ty_info, subty), hu_conv_b)
+ if from_hu_conv is not None:
+ arr_conv = self.consts.primitive_arr_from_hu(ty_info.subty, None, self.consts.map_hu_array_elems(arr_name, conv_name, ty_info, subty))
+ assert arr_conv[1] == ""
+ from_hu_conv = (arr_conv[0], hu_conv_b)
+ else:
+ from_hu_conv = (self.consts.map_hu_array_elems(arr_name, conv_name, ty_info, subty), hu_conv_b)
return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name,
arg_conv = arg_conv, arg_conv_name = arg_conv_name, arg_conv_cleanup = arg_conv_cleanup,
return None
if is_ptr:
res.pass_by_ref = True
+ java_ty = consts.java_arr_ty_str(res.java_ty)
if res.is_native_primitive or res.passed_as_ptr:
- return TypeInfo(rust_obj=fn_arg.split(" ")[0], java_ty=res.java_ty + "[]", java_hu_ty=res.java_hu_ty + "[]",
+ return TypeInfo(rust_obj=fn_arg.split(" ")[0], java_ty=java_ty, java_hu_ty=res.java_hu_ty + "[]",
java_fn_ty_arg="[" + res.java_fn_ty_arg, c_ty=res.c_ty + "Array", passed_as_ptr=False, is_ptr=is_ptr,
nonnull_ptr=nonnull_ptr, is_const=is_const,
var_name=res.var_name, arr_len="datalen", arr_access="data", subty=res, is_native_primitive=False)
else:
- return TypeInfo(rust_obj=fn_arg.split(" ")[0], java_ty=res.java_ty + "[]", java_hu_ty=res.java_hu_ty + "[]",
+ return TypeInfo(rust_obj=fn_arg.split(" ")[0], java_ty=java_ty, java_hu_ty=res.java_hu_ty + "[]",
java_fn_ty_arg="[" + res.java_fn_ty_arg, c_ty=consts.ptr_arr, passed_as_ptr=False, is_ptr=is_ptr,
nonnull_ptr=nonnull_ptr, is_const=is_const,
var_name=res.var_name, arr_len="datalen", arr_access="data", subty=res, is_native_primitive=False)
assert(not take_by_ptr)
assert(not is_ptr)
# is there a special case for plurals?
- if len(mapped_type) == 2:
+ if len(mapped_type) == 3:
java_ty = mapped_type[1]
+ java_hu_ty = mapped_type[2]
else:
java_ty = java_ty + "[]"
+ java_hu_ty = java_ty
c_ty = c_ty + "Array"
subty = java_c_types(arr_ty, None)
if var_is_arr is not None:
if var_is_arr.group(1) == "":
- return TypeInfo(rust_obj=rust_obj, java_ty=java_ty, java_hu_ty=java_ty, java_fn_ty_arg="[" + fn_ty_arg, c_ty=c_ty, is_const=is_const,
+ return TypeInfo(rust_obj=rust_obj, java_ty=java_ty, java_hu_ty=java_hu_ty, java_fn_ty_arg="[" + fn_ty_arg, c_ty=c_ty, is_const=is_const,
passed_as_ptr=False, is_ptr=False, nonnull_ptr=nonnull_ptr, var_name="arg", subty=subty,
arr_len=var_is_arr.group(2), arr_access=arr_access, is_native_primitive=False, contains_trait=contains_trait)
- return TypeInfo(rust_obj=rust_obj, java_ty=java_ty, java_hu_ty=java_ty, java_fn_ty_arg="[" + fn_ty_arg, c_ty=c_ty, is_const=is_const,
+ return TypeInfo(rust_obj=rust_obj, java_ty=java_ty, java_hu_ty=java_hu_ty, java_fn_ty_arg="[" + fn_ty_arg, c_ty=c_ty, is_const=is_const,
passed_as_ptr=False, is_ptr=False, nonnull_ptr=nonnull_ptr, var_name=var_is_arr.group(1), subty=subty,
arr_len=var_is_arr.group(2), arr_access=arr_access, is_native_primitive=False, contains_trait=contains_trait)
def var_decl_statement(self, ty_string, var_name, statement):
return ty_string + " " + var_name + " = " + statement
+ def get_java_arr_len(self, arr_name):
+ return arr_name + ".length"
+ def get_java_arr_elem(self, elem_ty, arr_name, idx):
+ return arr_name + "[" + idx + "]"
def constr_hu_array(self, ty_info, arr_len):
base_ty = ty_info.subty.java_hu_ty.split("[")[0].split("<")[0]
conv = "new " + base_ty + "[" + arr_len + "]"
conv += "[" + ty_info.subty.java_hu_ty.split("<")[0].split("[")[1]
return conv
+ def primitive_arr_from_hu(self, mapped_ty, fixed_len, arr_name):
+ if fixed_len is not None:
+ return ("InternalUtils.check_arr_len(" + arr_name + ", " + fixed_len + ")", "")
+ return None
+ def primitive_arr_to_hu(self, primitive_ty, fixed_len, arr_name, conv_name):
+ return None
+
+ def java_arr_ty_str(self, elem_ty_str):
+ return elem_ty_str + "[]"
+
def for_n_in_range(self, n, minimum, maximum):
return "for (int " + n + " = " + minimum + "; " + n + " < " + maximum + "; " + n + "++) {"
def for_n_in_arr(self, n, arr_name, arr_elem_ty):
self.function_ptr_counter = 0
self.function_ptrs = {}
self.c_type_map = dict(
- uint8_t = ['number', 'Uint8Array'],
- uint16_t = ['number', 'Uint16Array'],
- uint32_t = ['number', 'Uint32Array'],
- uint64_t = ['BigInt'],
+ uint8_t = ['number', 'number', 'Uint8Array'],
+ uint16_t = ['number', 'number', 'Uint16Array'],
+ uint32_t = ['number', 'number', 'Uint32Array'],
+ uint64_t = ['BigInt', 'BigInt', 'BigUint64Array'],
)
self.java_type_map = dict(
String = "number"
String = "string"
)
- self.wasm_decoding_map = dict(
- int8_tArray = 'decodeUint8Array'
- )
-
- self.wasm_encoding_map = dict(
- int8_tArray = 'encodeUint8Array',
- )
-
self.to_hu_conv_templates = dict(
ptr = 'const {var_name}_hu_conv: {human_type} = new {human_type}(null, {var_name});',
default = 'const {var_name}_hu_conv: {human_type} = new {human_type}(null, {var_name});',
/* @internal */
public constructor(_dummy: object, ptr: number) {
super(ptr, bindings.TxOut_free);
- this.script_pubkey = bindings.TxOut_get_script_pubkey(ptr);
+ 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 {
- return new TxOut(null, bindings.TxOut_new(script_pubkey, value));
+ return new TxOut(null, bindings.TxOut_new(bindings.encodeUint8Array(script_pubkey), value));
}
}"""
self.obj_defined(["TxOut"], "structs")
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"
def str_ref_to_native_call(self, var_name, str_len):
return Math.ceil(value / 4) * 4;
}
-const encodeUint8Array = (inputArray: Uint8Array) => {
+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;
arrayMemoryView.set(inputArray);
return cArrayPointer;
}
-
-const encodeUint32Array = (inputArray: Uint32Array) => {
+export function encodeUint32Array (inputArray: Uint32Array|Array<number>): 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<BigInt>): 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;
+}
-const getArrayLength = (arrayPointer: number) => {
- const arraySizeViewer = new Uint32Array(
- wasm.memory.buffer, // value
- arrayPointer, // offset
- 1 // one int
- );
+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];
}
-const decodeUint8Array = (arrayPointer: number, free = true) => {
+export function decodeUint8Array (arrayPointer: number, free = true): Uint8Array {
const arraySize = getArrayLength(arrayPointer);
- const actualArrayViewer = new Uint8Array(
- wasm.memory.buffer, // value
- arrayPointer + 4, // offset (ignoring length bytes)
- arraySize // uint8 count
- );
+ 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;
}
+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);
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"):
+ 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 primitive_arr_from_hu(self, mapped_ty, fixed_len, arr_name):
+ inner = arr_name
+ 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.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":
+ return ("bindings.encodeUint32Array(" + inner + ")", "")
+ elif mapped_ty.c_ty == "int64_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 var_decl_statement(self, ty_string, var_name, statement):
return "const " + var_name + ": " + ty_string + " = " + statement
+ def java_arr_ty_str(self, elem_ty_str):
+ return "number"
+
def for_n_in_range(self, n, minimum, maximum):
return "for (var " + n + " = " + minimum + "; " + n + " < " + maximum + "; " + n + "++) {"
def for_n_in_arr(self, n, arr_name, arr_elem_ty):
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
return_statement = 'return nativeResponseValue;'
if not has_return_value:
return_statement = '// debug statements here'
- elif needs_decoding:
- converter = self.wasm_decoding_map[return_c_ty]
- return_statement = f"return {converter}(nativeResponseValue);"
return f"""export function {method_name}({method_argument_string}): {return_java_ty} {{
if(!isWasmInitialized) {{
out_c += (", ")
if arg_conv_info.c_ty != "void":
out_c += (arg_conv_info.c_ty + " " + arg_conv_info.arg_name)
- needs_encoding = arg_conv_info.c_ty in self.wasm_encoding_map
- native_argument = arg_conv_info.arg_name
- if needs_encoding:
- converter = self.wasm_encoding_map[arg_conv_info.c_ty]
- native_argument = f"{converter}({arg_conv_info.arg_name})"
method_argument_string += f"{arg_conv_info.arg_name}: {arg_conv_info.java_ty}"
- native_call_argument_string += native_argument
+ native_call_argument_string += arg_conv_info.arg_name
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 = ""
projects / ldk-java / commitdiff