1 files changed, 492 insertions, 0 deletions
diff --git a/toolkit/components/uniffi-bindgen-gecko-js/fixtures/generated/RustArithmetic.sys.mjs b/toolkit/components/uniffi-bindgen-gecko-js/fixtures/generated/RustArithmetic.sys.mjs
new file mode 100644
index 0000000000..1790f0effa
--- /dev/null
+++ b/toolkit/components/uniffi-bindgen-gecko-js/fixtures/generated/RustArithmetic.sys.mjs
@@ -0,0 +1,492 @@
+// 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;
+    }
+}
+
+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: ${this.message}`
+    }
+}
+
+class UniFFIInternalError extends UniFFIError {}
+
+// Base class for FFI converters
+class FfiConverter {
+    // throw `UniFFITypeError` if a value to be converted has an invalid type
+    static checkType(value) {
+        if (value === undefined ) {
+            throw new UniFFITypeError(`undefined`);
+        }
+        if (value === null ) {
+            throw new UniFFITypeError(`null`);
+        }
+    }
+}
+
+// Base class for FFI converters that lift/lower by reading/writing to an ArrayBuffer
+class FfiConverterArrayBuffer extends FfiConverter {
+    static lift(buf) {
+        return this.read(new ArrayBufferDataStream(buf));
+    }
+
+    static lower(value) {
+        const buf = new ArrayBuffer(this.computeSize(value));
+        const dataStream = new ArrayBufferDataStream(buf);
+        this.write(dataStream, value);
+        return buf;
+    }
+}
+
+// Symbols that are used to ensure that Object constructors
+// can only be used with a proper UniFFI pointer
+const uniffiObjectPtr = Symbol("uniffiObjectPtr");
+const constructUniffiObject = Symbol("constructUniffiObject");
+UnitTestObjs.uniffiObjectPtr = uniffiObjectPtr;
+
+// Export the FFIConverter object to make external types work.
+export class FfiConverterU64 extends FfiConverter {
+    static checkType(value) {
+        super.checkType(value);
+        if (!Number.isSafeInteger(value)) {
+            throw new UniFFITypeError(`${value} exceeds the safe integer bounds`);
+        }
+        if (value < 0) {
+            throw new UniFFITypeError(`${value} exceeds the U64 bounds`);
+        }
+    }
+    static computeSize() {
+        return 8;
+    }
+    static lift(value) {
+        return value;
+    }
+    static lower(value) {
+        return value;
+    }
+    static write(dataStream, value) {
+        dataStream.writeUint64(value)
+    }
+    static read(dataStream) {
+        return dataStream.readUint64()
+    }
+}
+
+// Export the FFIConverter object to make external types work.
+export class FfiConverterBool extends FfiConverter {
+    static computeSize() {
+        return 1;
+    }
+    static lift(value) {
+        return value == 1;
+    }
+    static lower(value) {
+        if (value) {
+            return 1;
+        } else {
+            return 0;
+        }
+    }
+    static write(dataStream, value) {
+        dataStream.writeUint8(this.lower(value))
+    }
+    static read(dataStream) {
+        return this.lift(dataStream.readUint8())
+    }
+}
+
+// Export the FFIConverter object to make external types work.
+export class FfiConverterString extends FfiConverter {
+    static checkType(value) {
+        super.checkType(value);
+        if (typeof value !== "string") {
+            throw new UniFFITypeError(`${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 ArithmeticError extends Error {}
+
+
+export class IntegerOverflow extends ArithmeticError {
+
+    constructor(message, ...params) {
+        super(...params);
+        this.message = message;
+    }
+    toString() {
+        return `IntegerOverflow: ${super.toString()}`
+    }
+}
+
+// Export the FFIConverter object to make external types work.
+export class FfiConverterTypeArithmeticError extends FfiConverterArrayBuffer {
+    static read(dataStream) {
+        switch (dataStream.readInt32()) {
+            case 1:
+                return new IntegerOverflow(FfiConverterString.read(dataStream));
+            default:
+                throw new Error("Unknown ArithmeticError variant");
+        }
+    }
+    static computeSize(value) {
+        // Size of the Int indicating the variant
+        let totalSize = 4;
+        if (value instanceof IntegerOverflow) {
+            return totalSize;
+        }
+        throw new Error("Unknown ArithmeticError variant");
+    }
+    static write(dataStream, value) {
+        if (value instanceof IntegerOverflow) {
+            dataStream.writeInt32(1);
+            return;
+        }
+        throw new Error("Unknown ArithmeticError variant");
+    }
+
+    static errorClass = ArithmeticError;
+}
+
+
+
+
+
+export function add(a,b) {
+
+        const liftResult = (result) => FfiConverterU64.lift(result);
+        const liftError = (data) => FfiConverterTypeArithmeticError.lift(data);
+        const functionCall = () => {
+            try {
+                FfiConverterU64.checkType(a)
+            } catch (e) {
+                if (e instanceof UniFFITypeError) {
+                    e.addItemDescriptionPart("a");
+                }
+                throw e;
+            }
+            try {
+                FfiConverterU64.checkType(b)
+            } catch (e) {
+                if (e instanceof UniFFITypeError) {
+                    e.addItemDescriptionPart("b");
+                }
+                throw e;
+            }
+            return UniFFIScaffolding.callAsync(
+                35, // arithmetic:uniffi_arithmetical_fn_func_add
+                FfiConverterU64.lower(a),
+                FfiConverterU64.lower(b),
+            )
+        }
+        try {
+            return functionCall().then((result) => handleRustResult(result, liftResult, liftError));
+        }  catch (error) {
+            return Promise.reject(error)
+        }
+}
+
+export function div(dividend,divisor) {
+
+        const liftResult = (result) => FfiConverterU64.lift(result);
+        const liftError = null;
+        const functionCall = () => {
+            try {
+                FfiConverterU64.checkType(dividend)
+            } catch (e) {
+                if (e instanceof UniFFITypeError) {
+                    e.addItemDescriptionPart("dividend");
+                }
+                throw e;
+            }
+            try {
+                FfiConverterU64.checkType(divisor)
+            } catch (e) {
+                if (e instanceof UniFFITypeError) {
+                    e.addItemDescriptionPart("divisor");
+                }
+                throw e;
+            }
+            return UniFFIScaffolding.callAsync(
+                36, // arithmetic:uniffi_arithmetical_fn_func_div
+                FfiConverterU64.lower(dividend),
+                FfiConverterU64.lower(divisor),
+            )
+        }
+        try {
+            return functionCall().then((result) => handleRustResult(result, liftResult, liftError));
+        }  catch (error) {
+            return Promise.reject(error)
+        }
+}
+
+export function equal(a,b) {
+
+        const liftResult = (result) => FfiConverterBool.lift(result);
+        const liftError = null;
+        const functionCall = () => {
+            try {
+                FfiConverterU64.checkType(a)
+            } catch (e) {
+                if (e instanceof UniFFITypeError) {
+                    e.addItemDescriptionPart("a");
+                }
+                throw e;
+            }
+            try {
+                FfiConverterU64.checkType(b)
+            } catch (e) {
+                if (e instanceof UniFFITypeError) {
+                    e.addItemDescriptionPart("b");
+                }
+                throw e;
+            }
+            return UniFFIScaffolding.callAsync(
+                37, // arithmetic:uniffi_arithmetical_fn_func_equal
+                FfiConverterU64.lower(a),
+                FfiConverterU64.lower(b),
+            )
+        }
+        try {
+            return functionCall().then((result) => handleRustResult(result, liftResult, liftError));
+        }  catch (error) {
+            return Promise.reject(error)
+        }
+}
+
+export function sub(a,b) {
+
+        const liftResult = (result) => FfiConverterU64.lift(result);
+        const liftError = (data) => FfiConverterTypeArithmeticError.lift(data);
+        const functionCall = () => {
+            try {
+                FfiConverterU64.checkType(a)
+            } catch (e) {
+                if (e instanceof UniFFITypeError) {
+                    e.addItemDescriptionPart("a");
+                }
+                throw e;
+            }
+            try {
+                FfiConverterU64.checkType(b)
+            } catch (e) {
+                if (e instanceof UniFFITypeError) {
+                    e.addItemDescriptionPart("b");
+                }
+                throw e;
+            }
+            return UniFFIScaffolding.callAsync(
+                38, // arithmetic:uniffi_arithmetical_fn_func_sub
+                FfiConverterU64.lower(a),
+                FfiConverterU64.lower(b),
+            )
+        }
+        try {
+            return functionCall().then((result) => handleRustResult(result, liftResult, liftError));
+        }  catch (error) {
+            return Promise.reject(error)
+        }
+}