1
0
Fork 0
firefox/toolkit/components/uniffi-bindgen-gecko-js/fixtures/generated/RustRefcounts.sys.mjs
Daniel Baumann 5e9a113729
Adding upstream version 140.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-25 09:37:52 +02:00

446 lines
12 KiB
JavaScript

// This file was autogenerated by the `uniffi-bindgen-gecko-js` crate.
// Trust me, you don't want to mess with it!
import { UniFFITypeError } from "resource://gre/modules/UniFFI.sys.mjs";
// Objects intended to be used in the unit tests
export var UnitTestObjs = {};
let lazy = {};
ChromeUtils.defineLazyGetter(lazy, "decoder", () => new TextDecoder());
ChromeUtils.defineLazyGetter(lazy, "encoder", () => new TextEncoder());
// Write/Read data to/from an ArrayBuffer
class ArrayBufferDataStream {
constructor(arrayBuffer) {
this.dataView = new DataView(arrayBuffer);
this.pos = 0;
}
readUint8() {
let rv = this.dataView.getUint8(this.pos);
this.pos += 1;
return rv;
}
writeUint8(value) {
this.dataView.setUint8(this.pos, value);
this.pos += 1;
}
readUint16() {
let rv = this.dataView.getUint16(this.pos);
this.pos += 2;
return rv;
}
writeUint16(value) {
this.dataView.setUint16(this.pos, value);
this.pos += 2;
}
readUint32() {
let rv = this.dataView.getUint32(this.pos);
this.pos += 4;
return rv;
}
writeUint32(value) {
this.dataView.setUint32(this.pos, value);
this.pos += 4;
}
readUint64() {
let rv = this.dataView.getBigUint64(this.pos);
this.pos += 8;
return Number(rv);
}
writeUint64(value) {
this.dataView.setBigUint64(this.pos, BigInt(value));
this.pos += 8;
}
readInt8() {
let rv = this.dataView.getInt8(this.pos);
this.pos += 1;
return rv;
}
writeInt8(value) {
this.dataView.setInt8(this.pos, value);
this.pos += 1;
}
readInt16() {
let rv = this.dataView.getInt16(this.pos);
this.pos += 2;
return rv;
}
writeInt16(value) {
this.dataView.setInt16(this.pos, value);
this.pos += 2;
}
readInt32() {
let rv = this.dataView.getInt32(this.pos);
this.pos += 4;
return rv;
}
writeInt32(value) {
this.dataView.setInt32(this.pos, value);
this.pos += 4;
}
readInt64() {
let rv = this.dataView.getBigInt64(this.pos);
this.pos += 8;
return Number(rv);
}
writeInt64(value) {
this.dataView.setBigInt64(this.pos, BigInt(value));
this.pos += 8;
}
readFloat32() {
let rv = this.dataView.getFloat32(this.pos);
this.pos += 4;
return rv;
}
writeFloat32(value) {
this.dataView.setFloat32(this.pos, value);
this.pos += 4;
}
readFloat64() {
let rv = this.dataView.getFloat64(this.pos);
this.pos += 8;
return rv;
}
writeFloat64(value) {
this.dataView.setFloat64(this.pos, value);
this.pos += 8;
}
writeString(value) {
// Note: in order to efficiently write this data, we first write the
// string data, reserving 4 bytes for the size.
const dest = new Uint8Array(this.dataView.buffer, this.pos + 4);
const encodeResult = lazy.encoder.encodeInto(value, dest);
if (encodeResult.read != value.length) {
throw new UniFFIError(
"writeString: out of space when writing to ArrayBuffer. Did the computeSize() method returned the wrong result?"
);
}
const size = encodeResult.written;
// Next, go back and write the size before the string data
this.dataView.setUint32(this.pos, size);
// Finally, advance our position past both the size and string data
this.pos += size + 4;
}
readString() {
const size = this.readUint32();
const source = new Uint8Array(this.dataView.buffer, this.pos, size)
const value = lazy.decoder.decode(source);
this.pos += size;
return value;
}
readBytes() {
const size = this.readInt32();
const bytes = new Uint8Array(this.dataView.buffer, this.pos, size);
this.pos += size;
return bytes
}
writeBytes(value) {
this.writeUint32(value.length);
value.forEach((elt) => {
this.writeUint8(elt);
})
}
// Reads a SingletonObject pointer from the data stream
// UniFFI Pointers are **always** 8 bytes long. That is enforced
// by the C++ and Rust Scaffolding code.
readPointerSingletonObject() {
const pointerId = 17; // refcounts:SingletonObject
const res = UniFFIScaffolding.readPointer(pointerId, this.dataView.buffer, this.pos);
this.pos += 8;
return res;
}
// Writes a SingletonObject pointer into the data stream
// UniFFI Pointers are **always** 8 bytes long. That is enforced
// by the C++ and Rust Scaffolding code.
writePointerSingletonObject(value) {
const pointerId = 17; // refcounts:SingletonObject
UniFFIScaffolding.writePointer(pointerId, value, this.dataView.buffer, this.pos);
this.pos += 8;
}
}
function handleRustResult(result, liftCallback, liftErrCallback) {
switch (result.code) {
case "success":
return liftCallback(result.data);
case "error":
throw liftErrCallback(result.data);
case "internal-error":
if (result.data) {
throw new UniFFIInternalError(FfiConverterString.lift(result.data));
} else {
throw new UniFFIInternalError("Unknown error");
}
default:
throw new UniFFIError(`Unexpected status code: ${result.code}`);
}
}
class UniFFIError {
constructor(message) {
this.message = message;
}
toString() {
return `UniFFIError: ${this.message}`
}
}
class UniFFIInternalError extends UniFFIError {}
// Base class for FFI converters
class FfiConverter {
// throw `UniFFITypeError` if a value to be converted has an invalid type
static checkType(value) {
if (value === undefined ) {
throw new UniFFITypeError(`undefined`);
}
if (value === null ) {
throw new UniFFITypeError(`null`);
}
}
}
// Base class for FFI converters that lift/lower by reading/writing to an ArrayBuffer
class FfiConverterArrayBuffer extends FfiConverter {
static lift(buf) {
return this.read(new ArrayBufferDataStream(buf));
}
static lower(value) {
const buf = new ArrayBuffer(this.computeSize(value));
const dataStream = new ArrayBufferDataStream(buf);
this.write(dataStream, value);
return buf;
}
/**
* Computes the size of the value.
*
* @param {*} _value
* @return {number}
*/
static computeSize(_value) {
throw new UniFFIInternalError("computeSize() should be declared in the derived class");
}
/**
* Reads the type from a data stream.
*
* @param {ArrayBufferDataStream} _dataStream
* @returns {any}
*/
static read(_dataStream) {
throw new UniFFIInternalError("read() should be declared in the derived class");
}
/**
* Writes the type to a data stream.
*
* @param {ArrayBufferDataStream} _dataStream
* @param {any} _value
*/
static write(_dataStream, _value) {
throw new UniFFIInternalError("write() should be declared in the derived class");
}
}
// Symbols that are used to ensure that Object constructors
// can only be used with a proper UniFFI pointer
const uniffiObjectPtr = Symbol("uniffiObjectPtr");
const constructUniffiObject = Symbol("constructUniffiObject");
UnitTestObjs.uniffiObjectPtr = uniffiObjectPtr;
// Export the FFIConverter object to make external types work.
export class FfiConverterI32 extends FfiConverter {
static checkType(value) {
super.checkType(value);
if (!Number.isInteger(value)) {
throw new UniFFITypeError(`${value} is not an integer`);
}
if (value < -2147483648 || value > 2147483647) {
throw new UniFFITypeError(`${value} exceeds the I32 bounds`);
}
}
static computeSize(_value) {
return 4;
}
static lift(value) {
return value;
}
static lower(value) {
return value;
}
static write(dataStream, value) {
dataStream.writeInt32(value)
}
static read(dataStream) {
return dataStream.readInt32()
}
}
// Export the FFIConverter object to make external types work.
export class FfiConverterString extends FfiConverter {
static checkType(value) {
super.checkType(value);
if (typeof value !== "string") {
throw new UniFFITypeError(`${value} is not a string`);
}
}
static lift(buf) {
const utf8Arr = new Uint8Array(buf);
return lazy.decoder.decode(utf8Arr);
}
static lower(value) {
return lazy.encoder.encode(value).buffer;
}
static write(dataStream, value) {
dataStream.writeString(value);
}
static read(dataStream) {
return dataStream.readString();
}
static computeSize(value) {
return 4 + lazy.encoder.encode(value).length
}
}
/**
* SingletonObject
*/
export class SingletonObject {
// Use `init` to instantiate this class.
// DO NOT USE THIS CONSTRUCTOR DIRECTLY
constructor(opts) {
if (!Object.prototype.hasOwnProperty.call(opts, constructUniffiObject)) {
throw new UniFFIError("Attempting to construct an object using the JavaScript constructor directly" +
"Please use a UDL defined constructor, or the init function for the primary constructor")
}
if (!(opts[constructUniffiObject] instanceof UniFFIPointer)) {
throw new UniFFIError("Attempting to create a UniFFI object with a pointer that is not an instance of UniFFIPointer")
}
this[uniffiObjectPtr] = opts[constructUniffiObject];
}
/**
* method
*/
method() {
const liftResult = (result) => undefined;
const liftError = null;
const functionCall = () => {
return UniFFIScaffolding.callSync(
158, // refcounts:uniffi_uniffi_fixture_refcounts_fn_method_singletonobject_method
FfiConverterTypeSingletonObject.lower(this),
)
}
return handleRustResult(functionCall(), liftResult, liftError);
}
}
// Export the FFIConverter object to make external types work.
export class FfiConverterTypeSingletonObject extends FfiConverter {
static lift(value) {
const opts = {};
opts[constructUniffiObject] = value;
return new SingletonObject(opts);
}
static lower(value) {
const ptr = value[uniffiObjectPtr];
if (!(ptr instanceof UniFFIPointer)) {
throw new UniFFITypeError("Object is not a 'SingletonObject' instance");
}
return ptr;
}
static read(dataStream) {
return this.lift(dataStream.readPointerSingletonObject());
}
static write(dataStream, value) {
dataStream.writePointerSingletonObject(value[uniffiObjectPtr]);
}
static computeSize(value) {
return 8;
}
}
/**
* getJsRefcount
* @returns {number}
*/
export function getJsRefcount() {
const liftResult = (result) => FfiConverterI32.lift(result);
const liftError = null;
const functionCall = () => {
return UniFFIScaffolding.callSync(
156, // refcounts:uniffi_uniffi_fixture_refcounts_fn_func_get_js_refcount
)
}
return handleRustResult(functionCall(), liftResult, liftError);
}
/**
* getSingleton
* @returns {SingletonObject}
*/
export function getSingleton() {
const liftResult = (result) => FfiConverterTypeSingletonObject.lift(result);
const liftError = null;
const functionCall = () => {
return UniFFIScaffolding.callSync(
157, // refcounts:uniffi_uniffi_fixture_refcounts_fn_func_get_singleton
)
}
return handleRustResult(functionCall(), liftResult, liftError);
}