1 files changed, 687 insertions, 0 deletions
diff --git a/toolkit/components/uniffi-bindgen-gecko-js/fixtures/generated/RustSprites.sys.mjs b/toolkit/components/uniffi-bindgen-gecko-js/fixtures/generated/RustSprites.sys.mjs
new file mode 100644
index 0000000000..b404af06b1
--- /dev/null
+++ b/toolkit/components/uniffi-bindgen-gecko-js/fixtures/generated/RustSprites.sys.mjs
@@ -0,0 +1,687 @@
+// 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 = {};
+
+// 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) {
+      const encoder = new TextEncoder();
+      // 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 = 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 decoder = new TextDecoder();
+      const size = this.readUint32();
+      const source = new Uint8Array(this.dataView.buffer, this.pos, size)
+      const value = decoder.decode(source);
+      this.pos += size;
+      return value;
+    }
+
+    // Reads a Sprite pointer from the data stream
+    // UniFFI Pointers are **always** 8 bytes long. That is enforced
+    // by the C++ and Rust Scaffolding code.
+    readPointerSprite() {
+        const pointerId = 8; // sprites:Sprite
+        const res = UniFFIScaffolding.readPointer(pointerId, this.dataView.buffer, this.pos);
+        this.pos += 8;
+        return res;
+    }
+
+    // Writes a Sprite pointer into the data stream
+    // UniFFI Pointers are **always** 8 bytes long. That is enforced
+    // by the C++ and Rust Scaffolding code.
+    writePointerSprite(value) {
+        const pointerId = 8; // sprites:Sprite
+        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":
+            let message = result.internalErrorMessage;
+            if (message) {
+                throw new UniFFIInternalError(message);
+            } 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: ${this.message}`
+    }
+}
+
+class UniFFIInternalError extends UniFFIError {}
+
+// Base class for FFI converters
+class FfiConverter {
+    // throw `UniFFITypeError` if a value to be converted has an invalid type
+    static checkType(value) {
+        if (value === undefined ) {
+            throw new UniFFITypeError(`undefined`);
+        }
+        if (value === null ) {
+            throw new UniFFITypeError(`null`);
+        }
+    }
+}
+
+// Base class for FFI converters that lift/lower by reading/writing to an ArrayBuffer
+class FfiConverterArrayBuffer extends FfiConverter {
+    static lift(buf) {
+        return this.read(new ArrayBufferDataStream(buf));
+    }
+
+    static lower(value) {
+        const buf = new ArrayBuffer(this.computeSize(value));
+        const dataStream = new ArrayBufferDataStream(buf);
+        this.write(dataStream, value);
+        return buf;
+    }
+}
+
+// Symbols that are used to ensure that Object constructors
+// can only be used with a proper UniFFI pointer
+const uniffiObjectPtr = Symbol("uniffiObjectPtr");
+const constructUniffiObject = Symbol("constructUniffiObject");
+UnitTestObjs.uniffiObjectPtr = uniffiObjectPtr;
+
+// Export the FFIConverter object to make external types work.
+export class FfiConverterF64 extends FfiConverter {
+    static computeSize() {
+        return 8;
+    }
+    static lift(value) {
+        return value;
+    }
+    static lower(value) {
+        return value;
+    }
+    static write(dataStream, value) {
+        dataStream.writeFloat64(value)
+    }
+    static read(dataStream) {
+        return dataStream.readFloat64()
+    }
+}
+
+// Export the FFIConverter object to make external types work.
+export class FfiConverterString extends FfiConverter {
+    static checkType(value) {
+        super.checkType(value);
+        if (typeof value !== "string") {
+            throw new UniFFITypeError(`${value} is not a string`);
+        }
+    }
+
+    static lift(buf) {
+        const decoder = new TextDecoder();
+        const utf8Arr = new Uint8Array(buf);
+        return decoder.decode(utf8Arr);
+    }
+    static lower(value) {
+        const encoder = new TextEncoder();
+        return encoder.encode(value).buffer;
+    }
+
+    static write(dataStream, value) {
+        dataStream.writeString(value);
+    }
+
+    static read(dataStream) {
+        return dataStream.readString();
+    }
+
+    static computeSize(value) {
+        const encoder = new TextEncoder();
+        return 4 + encoder.encode(value).length
+    }
+}
+
+export class Sprite {
+    // 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];
+    }
+    /**
+     * An async constructor for Sprite.
+     * 
+     * @returns {Promise<Sprite>}: A promise that resolves
+     *      to a newly constructed Sprite
+     */
+    static init(initialPosition) {
+        const liftResult = (result) => FfiConverterTypeSprite.lift(result);
+        const liftError = null;
+        const functionCall = () => {
+            try {
+                FfiConverterOptionalTypePoint.checkType(initialPosition)
+            } catch (e) {
+                if (e instanceof UniFFITypeError) {
+                    e.addItemDescriptionPart("initialPosition");
+                }
+                throw e;
+            }
+            return UniFFIScaffolding.callAsync(
+                106, // sprites:uniffi_uniffi_sprites_fn_constructor_sprite_new
+                FfiConverterOptionalTypePoint.lower(initialPosition),
+            )
+        }
+        try {
+            return functionCall().then((result) => handleRustResult(result, liftResult, liftError));
+        }  catch (error) {
+            return Promise.reject(error)
+        }}
+    /**
+     * An async constructor for Sprite.
+     * 
+     * @returns {Promise<Sprite>}: A promise that resolves
+     *      to a newly constructed Sprite
+     */
+    static newRelativeTo(reference,direction) {
+        const liftResult = (result) => FfiConverterTypeSprite.lift(result);
+        const liftError = null;
+        const functionCall = () => {
+            try {
+                FfiConverterTypePoint.checkType(reference)
+            } catch (e) {
+                if (e instanceof UniFFITypeError) {
+                    e.addItemDescriptionPart("reference");
+                }
+                throw e;
+            }
+            try {
+                FfiConverterTypeVector.checkType(direction)
+            } catch (e) {
+                if (e instanceof UniFFITypeError) {
+                    e.addItemDescriptionPart("direction");
+                }
+                throw e;
+            }
+            return UniFFIScaffolding.callAsync(
+                107, // sprites:uniffi_uniffi_sprites_fn_constructor_sprite_new_relative_to
+                FfiConverterTypePoint.lower(reference),
+                FfiConverterTypeVector.lower(direction),
+            )
+        }
+        try {
+            return functionCall().then((result) => handleRustResult(result, liftResult, liftError));
+        }  catch (error) {
+            return Promise.reject(error)
+        }}
+
+    getPosition() {
+        const liftResult = (result) => FfiConverterTypePoint.lift(result);
+        const liftError = null;
+        const functionCall = () => {
+            return UniFFIScaffolding.callAsync(
+                108, // sprites:uniffi_uniffi_sprites_fn_method_sprite_get_position
+                FfiConverterTypeSprite.lower(this),
+            )
+        }
+        try {
+            return functionCall().then((result) => handleRustResult(result, liftResult, liftError));
+        }  catch (error) {
+            return Promise.reject(error)
+        }
+    }
+
+    moveBy(direction) {
+        const liftResult = (result) => undefined;
+        const liftError = null;
+        const functionCall = () => {
+            try {
+                FfiConverterTypeVector.checkType(direction)
+            } catch (e) {
+                if (e instanceof UniFFITypeError) {
+                    e.addItemDescriptionPart("direction");
+                }
+                throw e;
+            }
+            return UniFFIScaffolding.callAsync(
+                109, // sprites:uniffi_uniffi_sprites_fn_method_sprite_move_by
+                FfiConverterTypeSprite.lower(this),
+                FfiConverterTypeVector.lower(direction),
+            )
+        }
+        try {
+            return functionCall().then((result) => handleRustResult(result, liftResult, liftError));
+        }  catch (error) {
+            return Promise.reject(error)
+        }
+    }
+
+    moveTo(position) {
+        const liftResult = (result) => undefined;
+        const liftError = null;
+        const functionCall = () => {
+            try {
+                FfiConverterTypePoint.checkType(position)
+            } catch (e) {
+                if (e instanceof UniFFITypeError) {
+                    e.addItemDescriptionPart("position");
+                }
+                throw e;
+            }
+            return UniFFIScaffolding.callAsync(
+                110, // sprites:uniffi_uniffi_sprites_fn_method_sprite_move_to
+                FfiConverterTypeSprite.lower(this),
+                FfiConverterTypePoint.lower(position),
+            )
+        }
+        try {
+            return functionCall().then((result) => handleRustResult(result, liftResult, liftError));
+        }  catch (error) {
+            return Promise.reject(error)
+        }
+    }
+
+}
+
+// Export the FFIConverter object to make external types work.
+export class FfiConverterTypeSprite extends FfiConverter {
+    static lift(value) {
+        const opts = {};
+        opts[constructUniffiObject] = value;
+        return new Sprite(opts);
+    }
+
+    static lower(value) {
+        return value[uniffiObjectPtr];
+    }
+
+    static read(dataStream) {
+        return this.lift(dataStream.readPointerSprite());
+    }
+
+    static write(dataStream, value) {
+        dataStream.writePointerSprite(value[uniffiObjectPtr]);
+    }
+
+    static computeSize(value) {
+        return 8;
+    }
+}
+
+export class Point {
+    constructor({ x, y } = {}) {
+        try {
+            FfiConverterF64.checkType(x)
+        } catch (e) {
+            if (e instanceof UniFFITypeError) {
+                e.addItemDescriptionPart("x");
+            }
+            throw e;
+        }
+        try {
+            FfiConverterF64.checkType(y)
+        } catch (e) {
+            if (e instanceof UniFFITypeError) {
+                e.addItemDescriptionPart("y");
+            }
+            throw e;
+        }
+        this.x = x;
+        this.y = y;
+    }
+    equals(other) {
+        return (
+            this.x == other.x &&
+            this.y == other.y
+        )
+    }
+}
+
+// Export the FFIConverter object to make external types work.
+export class FfiConverterTypePoint extends FfiConverterArrayBuffer {
+    static read(dataStream) {
+        return new Point({
+            x: FfiConverterF64.read(dataStream),
+            y: FfiConverterF64.read(dataStream),
+        });
+    }
+    static write(dataStream, value) {
+        FfiConverterF64.write(dataStream, value.x);
+        FfiConverterF64.write(dataStream, value.y);
+    }
+
+    static computeSize(value) {
+        let totalSize = 0;
+        totalSize += FfiConverterF64.computeSize(value.x);
+        totalSize += FfiConverterF64.computeSize(value.y);
+        return totalSize
+    }
+
+    static checkType(value) {
+        super.checkType(value);
+        if (!(value instanceof Point)) {
+            throw new TypeError(`Expected 'Point', found '${typeof value}'`);
+        }
+        try {
+            FfiConverterF64.checkType(value.x);
+        } catch (e) {
+            if (e instanceof UniFFITypeError) {
+                e.addItemDescriptionPart(".x");
+            }
+            throw e;
+        }
+        try {
+            FfiConverterF64.checkType(value.y);
+        } catch (e) {
+            if (e instanceof UniFFITypeError) {
+                e.addItemDescriptionPart(".y");
+            }
+            throw e;
+        }
+    }
+}
+
+export class Vector {
+    constructor({ dx, dy } = {}) {
+        try {
+            FfiConverterF64.checkType(dx)
+        } catch (e) {
+            if (e instanceof UniFFITypeError) {
+                e.addItemDescriptionPart("dx");
+            }
+            throw e;
+        }
+        try {
+            FfiConverterF64.checkType(dy)
+        } catch (e) {
+            if (e instanceof UniFFITypeError) {
+                e.addItemDescriptionPart("dy");
+            }
+            throw e;
+        }
+        this.dx = dx;
+        this.dy = dy;
+    }
+    equals(other) {
+        return (
+            this.dx == other.dx &&
+            this.dy == other.dy
+        )
+    }
+}
+
+// Export the FFIConverter object to make external types work.
+export class FfiConverterTypeVector extends FfiConverterArrayBuffer {
+    static read(dataStream) {
+        return new Vector({
+            dx: FfiConverterF64.read(dataStream),
+            dy: FfiConverterF64.read(dataStream),
+        });
+    }
+    static write(dataStream, value) {
+        FfiConverterF64.write(dataStream, value.dx);
+        FfiConverterF64.write(dataStream, value.dy);
+    }
+
+    static computeSize(value) {
+        let totalSize = 0;
+        totalSize += FfiConverterF64.computeSize(value.dx);
+        totalSize += FfiConverterF64.computeSize(value.dy);
+        return totalSize
+    }
+
+    static checkType(value) {
+        super.checkType(value);
+        if (!(value instanceof Vector)) {
+            throw new TypeError(`Expected 'Vector', found '${typeof value}'`);
+        }
+        try {
+            FfiConverterF64.checkType(value.dx);
+        } catch (e) {
+            if (e instanceof UniFFITypeError) {
+                e.addItemDescriptionPart(".dx");
+            }
+            throw e;
+        }
+        try {
+            FfiConverterF64.checkType(value.dy);
+        } catch (e) {
+            if (e instanceof UniFFITypeError) {
+                e.addItemDescriptionPart(".dy");
+            }
+            throw e;
+        }
+    }
+}
+
+// Export the FFIConverter object to make external types work.
+export class FfiConverterOptionalTypePoint extends FfiConverterArrayBuffer {
+    static checkType(value) {
+        if (value !== undefined && value !== null) {
+            FfiConverterTypePoint.checkType(value)
+        }
+    }
+
+    static read(dataStream) {
+        const code = dataStream.readUint8(0);
+        switch (code) {
+            case 0:
+                return null
+            case 1:
+                return FfiConverterTypePoint.read(dataStream)
+            default:
+                throw UniFFIError(`Unexpected code: ${code}`);
+        }
+    }
+
+    static write(dataStream, value) {
+        if (value === null || value === undefined) {
+            dataStream.writeUint8(0);
+            return;
+        }
+        dataStream.writeUint8(1);
+        FfiConverterTypePoint.write(dataStream, value)
+    }
+
+    static computeSize(value) {
+        if (value === null || value === undefined) {
+            return 1;
+        }
+        return 1 + FfiConverterTypePoint.computeSize(value)
+    }
+}
+
+
+
+
+
+export function translate(position,direction) {
+
+        const liftResult = (result) => FfiConverterTypePoint.lift(result);
+        const liftError = null;
+        const functionCall = () => {
+            try {
+                FfiConverterTypePoint.checkType(position)
+            } catch (e) {
+                if (e instanceof UniFFITypeError) {
+                    e.addItemDescriptionPart("position");
+                }
+                throw e;
+            }
+            try {
+                FfiConverterTypeVector.checkType(direction)
+            } catch (e) {
+                if (e instanceof UniFFITypeError) {
+                    e.addItemDescriptionPart("direction");
+                }
+                throw e;
+            }
+            return UniFFIScaffolding.callAsync(
+                111, // sprites:uniffi_uniffi_sprites_fn_func_translate
+                FfiConverterTypePoint.lower(position),
+                FfiConverterTypeVector.lower(direction),
+            )
+        }
+        try {
+            return functionCall().then((result) => handleRustResult(result, liftResult, liftError));
+        }  catch (error) {
+            return Promise.reject(error)
+        }
+}