wasm gc: preprocess JS runtime with uglifyjs, add modular runtime

.gitignore

@@ -4,13 +4,13 @@ build
 /build-cache
 /deploy-with-env.sh
 /release-with-env.sh
-/.gradle
-/build-logic/.gradle
+.gradle
 /relocated
 /samples/.gradle
 local.properties
 teavm-local.properties
 .kotlin
+node_modules
 
 # KDE
 .directory

core/build.gradle.kts

@@ -1,3 +1,5 @@
+import com.github.gradle.node.npm.task.NpmTask
+
 /*
  *  Copyright 2023 Alexey Andreev.
  *
@@ -17,10 +19,15 @@
 plugins {
     `java-library`
     `teavm-publish`
+    alias(libs.plugins.nodejs)
 }
 
 description = "Compiler, backends and runtime"
 
+node {
+    download = true
+}
+
 dependencies {
     api(project(":interop:core"))
     api(project(":metaprogramming:api"))
@@ -35,6 +42,55 @@ dependencies {
     testImplementation(libs.junit)
 }
 
+val jsOutputDir = layout.buildDirectory.dir("generated/js")
+val jsOutputPackageDir = jsOutputDir.map { it.dir("org/teavm/backend/wasm") }
+val jsInputDir = layout.projectDirectory.dir("src/main/js/wasm-gc-runtime")
+val jsInput = jsInputDir.file("runtime.js")
+
+fun registerRuntimeTasks(taskName: String, wrapperType: String, outputName: String) {
+    val generateTask by tasks.register<DefaultTask>("generate${taskName}Runtime") {
+        val wrapperFile = jsInputDir.file(wrapperType)
+        val runtimeFile = jsInput
+        val outputFile = jsOutputPackageDir.map { it.file("$outputName.js") }
+        inputs.files(wrapperFile, runtimeFile)
+        outputs.file(outputFile)
+        doLast {
+            val wrapper = wrapperFile.asFile.readText()
+            var runtime = runtimeFile.asFile.readText()
+            val startText = "// !BEGINNING!\n"
+            val startIndex = runtime.indexOf(startText)
+            if (startIndex >= 0) {
+                runtime = runtime.substring(startIndex + startText.length)
+            }
+            outputFile.get().asFile.writeText(wrapper.replace("include();", runtime))
+        }
+    }
+
+    val optimizeTask = tasks.register<NpmTask>("optimize${taskName}Runtime") {
+        val inputFiles = generateTask.outputs.files
+        val outputFile = jsOutputPackageDir.map { it.file("$outputName.min.js") }
+        inputs.files(inputFiles)
+        outputs.file(outputFile)
+        npmCommand.addAll("run", "uglify")
+        args.addAll(provider {
+            listOf(
+                "--",
+                "-m", "--module", "--toplevel",
+                inputFiles.singleFile.absolutePath,
+                "-o", outputFile.get().asFile.absolutePath
+            )
+        })
+    }
+
+    sourceSets.main.configure {
+        output.dir(mapOf("builtBy" to generateTask), jsOutputDir)
+        output.dir(mapOf("builtBy" to optimizeTask), jsOutputDir)
+    }
+}
+
+registerRuntimeTasks("Simple", "simple-wrapper.js", "wasm-gc-runtime")
+registerRuntimeTasks("Module", "module-wrapper.js", "wasm-gc-module-runtime")
+
 teavmPublish {
     artifactId = "teavm-core"
 }

core/package-lock.json

@@ -0,0 +1,25 @@
+{
+  "name": "core",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "devDependencies": {
+        "uglify-js": "3.19.3"
+      }
+    },
+    "node_modules/uglify-js": {
+      "version": "3.19.3",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.19.3.tgz",
+      "integrity": "sha512-v3Xu+yuwBXisp6QYTcH4UbH+xYJXqnq2m/LtQVWKWzYc1iehYnLixoQDN9FH6/j9/oybfd6W9Ghwkl8+UMKTKQ==",
+      "dev": true,
+      "license": "BSD-2-Clause",
+      "bin": {
+        "uglifyjs": "bin/uglifyjs"
+      },
+      "engines": {
+        "node": ">=0.8.0"
+      }
+    }
+  }
+}

core/package.json

@@ -0,0 +1,8 @@
+{
+  "scripts": {
+    "uglify": "uglifyjs"
+  },
+  "devDependencies": {
+    "uglify-js": "3.19.3"
+  }
+}

core/src/main/js/wasm-gc-runtime/module-wrapper.js

@@ -0,0 +1,18 @@
+/*
+ *  Copyright 2024 Alexey Andreev.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+include();
+export { load, defaults };

core/src/main/js/wasm-gc-runtime/runtime.js

@@ -0,0 +1,609 @@
+/*
+ *  Copyright 2024 Alexey Andreev.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+// !BEGINNING!
+
+let globalsCache = new Map();
+let stackDeobfuscator = null;
+let chromeExceptionRegex = / *at .+\.wasm:wasm-function\[[0-9]+]:0x([0-9a-f]+).*/;
+let getGlobalName = function(name) {
+    let result = globalsCache.get(name);
+    if (typeof result === "undefined") {
+        result = new Function("return " + name + ";");
+        globalsCache.set(name, result);
+    }
+    return result();
+}
+let setGlobalName = function(name, value) {
+    new Function("value", name + " = value;")(value);
+}
+
+function defaults(imports) {
+    let context = {
+        exports: null
+    };
+    dateImports(imports);
+    consoleImports(imports, context);
+    coreImports(imports, context);
+    jsoImports(imports, context);
+    imports.teavmMath = Math;
+    return {
+        supplyExports(exports) {
+            context.exports = exports
+        }
+    }
+}
+
+let javaExceptionSymbol = Symbol("javaException");
+class JavaError extends Error {
+    constructor(javaException) {
+        super();
+        this[javaExceptionSymbol] = javaException;
+    }
+    get message() {
+        let exceptionMessage = exports["teavm.exceptionMessage"];
+        if (typeof exceptionMessage === "function") {
+            let message = exceptionMessage(this[javaExceptionSymbol]);
+            if (message != null) {
+                return message;
+            }
+        }
+        return "(could not fetch message)";
+    }
+}
+
+function dateImports(imports) {
+    imports.teavmDate = {
+        currentTimeMillis: () => new Date().getTime(),
+        dateToString: timestamp => new Date(timestamp).toString(),
+        getYear: timestamp => new Date(timestamp).getFullYear(),
+        setYear(timestamp, year) {
+            let date = new Date(timestamp);
+            date.setFullYear(year);
+            return date.getTime();
+        },
+        getMonth: timestamp =>new Date(timestamp).getMonth(),
+        setMonth(timestamp, month) {
+            let date = new Date(timestamp);
+            date.setMonth(month);
+            return date.getTime();
+        },
+        getDate: timestamp =>new Date(timestamp).getDate(),
+        setDate(timestamp, value) {
+            let date = new Date(timestamp);
+            date.setDate(value);
+            return date.getTime();
+        },
+        create: (year, month, date, hrs, min, sec) => new Date(year, month, date, hrs, min, sec).getTime(),
+        createFromUTC: (year, month, date, hrs, min, sec) => Date.UTC(year, month, date, hrs, min, sec)
+    };
+}
+
+function consoleImports(imports) {
+    let stderr = "";
+    let stdout = "";
+    imports.teavmConsole = {
+        putcharStderr(c) {
+            if (c === 10) {
+                console.error(stderr);
+                stderr = "";
+            } else {
+                stderr += String.fromCharCode(c);
+            }
+        },
+        putcharStdout(c) {
+            if (c === 10) {
+                console.log(stdout);
+                stdout = "";
+            } else {
+                stdout += String.fromCharCode(c);
+            }
+        },
+    };
+}
+
+function coreImports(imports, context) {
+    let finalizationRegistry = new FinalizationRegistry(heldValue => {
+        let report = context.exports["teavm.reportGarbageCollectedValue"];
+        if (typeof report === "function") {
+            report(heldValue)
+        }
+    });
+    let stringFinalizationRegistry = new FinalizationRegistry(heldValue => {
+        let report = context.exports["teavm.reportGarbageCollectedString"];
+        if (typeof report === "function") {
+            report(heldValue);
+        }
+    });
+    imports.teavm = {
+        createWeakRef(value, heldValue) {
+            let weakRef = new WeakRef(value);
+            if (heldValue !== null) {
+                finalizationRegistry.register(value, heldValue)
+            }
+            return weakRef;
+        },
+        deref: weakRef => weakRef.deref(),
+        createStringWeakRef(value, heldValue) {
+            let weakRef = new WeakRef(value);
+            stringFinalizationRegistry.register(value, heldValue)
+            return weakRef;
+        },
+        stringDeref: weakRef => weakRef.deref(),
+        currentStackTrace() {
+            if (stackDeobfuscator) {
+                return;
+            }
+            let reportCallFrame = context.exports["teavm.reportCallFrame"];
+            if (typeof reportCallFrame !== "function") {
+                return;
+            }
+            let stack = new Error().stack;
+            for (let line in stack.split("\n")) {
+                let match = chromeExceptionRegex.exec(line);
+                if (match !== null) {
+                    let address = parseInt(match.groups[1], 16);
+                    let frames = stackDeobfuscator(address);
+                    for (let frame of frames) {
+                        let line = frame.line;
+                        reportCallFrame(file, method, cls, line);
+                    }
+                }
+            }
+        }
+    };
+}
+
+function jsoImports(imports, context) {
+    let javaObjectSymbol = Symbol("javaObject");
+    let functionsSymbol = Symbol("functions");
+    let functionOriginSymbol = Symbol("functionOrigin");
+    let wrapperCallMarkerSymbol = Symbol("wrapperCallMarker");
+
+    let jsWrappers = new WeakMap();
+    let javaWrappers = new WeakMap();
+    let primitiveWrappers = new Map();
+    let primitiveFinalization = new FinalizationRegistry(token => primitiveFinalization.delete(token));
+    let hashCodes = new WeakMap();
+    let javaExceptionWrappers = new WeakMap();
+    let lastHashCode = 2463534242;
+    let nextHashCode = () => {
+        let x = lastHashCode;
+        x ^= x << 13;
+        x ^= x >>> 17;
+        x ^= x << 5;
+        lastHashCode = x;
+        return x;
+    }
+
+    function identity(value) {
+        return value;
+    }
+    function sanitizeName(str) {
+        let result = "";
+        let firstChar = str.charAt(0);
+        result += isIdentifierStart(firstChar) ? firstChar : '_';
+        for (let i = 1; i < str.length; ++i) {
+            let c = str.charAt(i)
+            result += isIdentifierPart(c) ? c : '_';
+        }
+        return result;
+    }
+    function isIdentifierStart(s) {
+        return s >= 'A' && s <= 'Z' || s >= 'a' && s <= 'z' || s === '_' || s === '$';
+    }
+    function isIdentifierPart(s) {
+        return isIdentifierStart(s) || s >= '0' && s <= '9';
+    }
+    function setProperty(obj, prop, value) {
+        if (obj === null) {
+            setGlobalName(prop, value);
+        } else {
+            obj[prop] = value;
+        }
+    }
+    function javaExceptionToJs(e) {
+        if (e instanceof WebAssembly.Exception) {
+            let tag = context.exports["teavm.javaException"];
+            if (e.is(tag)) {
+                let javaException = e.getArg(tag, 0);
+                let extracted = extractException(javaException);
+                if (extracted !== null) {
+                    return extracted;
+                }
+                let wrapperRef = javaExceptionWrappers.get(javaException);
+                if (typeof wrapperRef != "undefined") {
+                    let wrapper = wrapperRef.deref();
+                    if (typeof wrapper !== "undefined") {
+                        return wrapper;
+                    }
+                }
+                let wrapper = new JavaError(javaException);
+                javaExceptionWrappers.set(javaException, new WeakRef(wrapper));
+                return wrapper;
+            }
+        }
+        return e;
+    }
+    function jsExceptionAsJava(e) {
+        if (javaExceptionSymbol in e) {
+            return e[javaExceptionSymbol];
+        } else {
+            return context.exports["teavm.js.wrapException"](e);
+        }
+    }
+    function rethrowJsAsJava(e) {
+        context.exports["teavm.js.throwException"](jsExceptionAsJava(e));
+    }
+    function extractException(e) {
+        return context.exports["teavm.js.extractException"](e);
+    }
+    function rethrowJavaAsJs(e) {
+        throw javaExceptionToJs(e);
+    }
+    function getProperty(obj, prop) {
+        try {
+            return obj !== null ? obj[prop] : getGlobalName(prop)
+        } catch (e) {
+            rethrowJsAsJava(e);
+        }
+    }
+    function defineFunction(fn) {
+        let params = [];
+        for (let i = 0; i < fn.length; ++i) {
+            params.push("p" + i);
+        }
+        let paramsAsString = params.length === 0 ? "" : params.join(", ");
+        return new Function("rethrowJavaAsJs", "fn",
+            `return function(${paramsAsString}) {\n` +
+            `    try {\n` +
+            `        return fn(${paramsAsString});\n` +
+            `    } catch (e) {\n` +
+            `        rethrowJavaAsJs(e);\n` +
+            `    }\n` +
+            `};`
+        )(rethrowJavaAsJs, fn);
+    }
+    function renameConstructor(name, c) {
+        return new Function(
+            "constructor",
+            `return function ${name}(marker, javaObject) {\n` +
+            `    return constructor.call(this, marker, javaObject);\n` +
+            `}\n`
+        )(c);
+    }
+    imports.teavmJso = {
+        emptyString: () => "",
+        stringFromCharCode: code => String.fromCharCode(code),
+        concatStrings: (a, b) => a + b,
+        stringLength: s => s.length,
+        charAt: (s, index) => s.charCodeAt(index),
+        emptyArray: () => [],
+        appendToArray: (array, e) => array.push(e),
+        unwrapBoolean: value => value ? 1 : 0,
+        wrapBoolean: value => !!value,
+        getProperty: getProperty,
+        getPropertyPure: getProperty,
+        setProperty: setProperty,
+        setPropertyPure: setProperty,
+        global(name) {
+            try {
+                return getGlobalName(name);
+            } catch (e) {
+                rethrowJsAsJava(e);
+            }
+        },
+        createClass(name, parent, constructor) {
+            name = sanitizeName(name || "JavaObject");
+            let action;
+            if (parent === null) {
+                action = function (javaObject) {
+                    this[javaObjectSymbol] = javaObject;
+                    this[functionsSymbol] = null;
+                };
+            } else {
+                action = function (javaObject) {
+                    parent.call(this, javaObject);
+                };
+                fn.prototype = Object.create(parent);
+                fn.prototype.constructor = parent;
+            }
+            let fn = renameConstructor(name, function (marker, javaObject) {
+                if (marker === wrapperCallMarkerSymbol) {
+                    action.call(this, javaObject);
+                } else if (constructor === null) {
+                    throw new Error("This class can't be instantiated directly");
+                } else {
+                    try {
+                        return constructor.apply(null, arguments);
+                    } catch (e) {
+                        rethrowJavaAsJs(e);
+                    }
+                }
+            });
+            fn.prototype = Object.create(parent || Object.prototype);
+            fn.prototype.constructor = fn;
+            let boundFn = renameConstructor(name, function(javaObject) {
+                return fn.call(this, wrapperCallMarkerSymbol, javaObject);
+            });
+            boundFn[wrapperCallMarkerSymbol] = fn;
+            boundFn.prototype = fn.prototype;
+            return boundFn;
+        },
+        exportClass(cls) {
+            return cls[wrapperCallMarkerSymbol];
+        },
+        defineMethod(cls, name, fn) {
+            let params = [];
+            for (let i = 1; i < fn.length; ++i) {
+                params.push("p" + i);
+            }
+            let paramsAsString = params.length === 0 ? "" : params.join(", ");
+            cls.prototype[name] = new Function("rethrowJavaAsJs", "fn",
+                `return function(${paramsAsString}) {\n` +
+                `    try {\n` +
+                `        return fn(${['this', params].join(", ")});\n` +
+                `    } catch (e) {\n` +
+                `        rethrowJavaAsJs(e);\n` +
+                `    }\n` +
+                `};`
+            )(rethrowJavaAsJs, fn);
+        },
+        defineStaticMethod(cls, name, fn) {
+            cls[name] = defineFunction(fn);
+        },
+        defineFunction: defineFunction,
+        defineProperty(cls, name, getFn, setFn) {
+            let descriptor = {
+                get() {
+                    try {
+                        return getFn(this);
+                    } catch (e) {
+                        rethrowJavaAsJs(e);
+                    }
+                }
+            };
+            if (setFn !== null) {
+                descriptor.set = function(value) {
+                    try {
+                        setFn(this, value);
+                    } catch (e) {
+                        rethrowJavaAsJs(e);
+                    }
+                }
+            }
+            Object.defineProperty(cls.prototype, name, descriptor);
+        },
+        defineStaticProperty(cls, name, getFn, setFn) {
+            let descriptor = {
+                get() {
+                    try {
+                        return getFn();
+                    } catch (e) {
+                        rethrowJavaAsJs(e);
+                    }
+                }
+            };
+            if (setFn !== null) {
+                descriptor.set = function(value) {
+                    try {
+                        setFn(value);
+                    } catch (e) {
+                        rethrowJavaAsJs(e);
+                    }
+                }
+            }
+            Object.defineProperty(cls, name, descriptor);
+        },
+        javaObjectToJS(instance, cls) {
+            let existing = jsWrappers.get(instance);
+            if (typeof existing != "undefined") {
+                let result = existing.deref();
+                if (typeof result !== "undefined") {
+                    return result;
+                }
+            }
+            let obj = new cls(instance);
+            jsWrappers.set(instance, new WeakRef(obj));
+            return obj;
+        },
+        unwrapJavaObject(instance) {
+            return instance[javaObjectSymbol];
+        },
+        asFunction(instance, propertyName) {
+            let functions = instance[functionsSymbol];
+            if (functions === null) {
+                functions = Object.create(null);
+                instance[functionsSymbol] = functions;
+            }
+            let result = functions[propertyName];
+            if (typeof result !== 'function') {
+                result = function() {
+                    return instance[propertyName].apply(instance, arguments);
+                }
+                result[functionOriginSymbol] = instance;
+                functions[propertyName] = result;
+            }
+            return result;
+        },
+        functionAsObject(fn, property) {
+            let origin = fn[functionOriginSymbol];
+            if (typeof origin !== 'undefined') {
+                let functions = origin[functionsSymbol];
+                if (functions !== void 0 && functions[property] === fn) {
+                    return origin;
+                }
+            }
+            return {
+                [property]: function(...args) {
+                    try {
+                        return fn(...args);
+                    } catch (e) {
+                        rethrowJavaAsJs(e);
+                    }
+                }
+            };
+        },
+        wrapObject(obj) {
+            if (obj === null) {
+                return null;
+            }
+            if (typeof obj === "object" || typeof obj === "function" || typeof "obj" === "symbol") {
+                let result = obj[javaObjectSymbol];
+                if (typeof result === "object") {
+                    return result;
+                }
+                result = javaWrappers.get(obj);
+                if (result !== void 0) {
+                    result = result.deref();
+                    if (result !== void 0) {
+                        return result;
+                    }
+                }
+                result = context.exports["teavm.jso.createWrapper"](obj);
+                javaWrappers.set(obj, new WeakRef(result));
+                return result;
+            } else {
+                let result = primitiveWrappers.get(obj);
+                if (result !== void 0) {
+                    result = result.deref();
+                    if (result !== void 0) {
+                        return result;
+                    }
+                }
+                result = context.exports["teavm.jso.createWrapper"](obj);
+                primitiveWrappers.set(obj, new WeakRef(result));
+                primitiveFinalization.register(result, obj);
+                return result;
+            }
+        },
+        isPrimitive: (value, type) => typeof value === type,
+        instanceOf: (value, type) => value instanceof type,
+        instanceOfOrNull: (value, type) => value === null || value instanceof type,
+        sameRef: (a, b) => a === b,
+        hashCode: (obj) => {
+            if (typeof obj === "object" || typeof obj === "function" || typeof obj === "symbol") {
+                let code = hashCodes.get(obj);
+                if (typeof code === "number") {
+                    return code;
+                }
+                code = nextHashCode();
+                hashCodes.set(obj, code);
+                return code;
+            } else if (typeof obj === "number") {
+                return obj | 0;
+            } else if (typeof obj === "bigint") {
+                return BigInt.asIntN(obj, 32);
+            } else if (typeof obj === "boolean") {
+                return obj ? 1 : 0;
+            } else {
+                return 0;
+            }
+        },
+        apply: (instance, method, args) => {
+            try {
+                if (instance === null) {
+                    let fn = getGlobalName(method);
+                    return fn(...args);
+                } else {
+                    return instance[method](...args);
+                }
+            } catch (e) {
+                rethrowJsAsJava(e);
+            }
+        },
+        concatArray: (a, b) => a.concat(b),
+        getJavaException: e => e[javaExceptionSymbol]
+    };
+    for (let name of ["wrapByte", "wrapShort", "wrapChar", "wrapInt", "wrapFloat", "wrapDouble", "unwrapByte",
+        "unwrapShort", "unwrapChar", "unwrapInt", "unwrapFloat", "unwrapDouble"]) {
+        imports.teavmJso[name] = identity;
+    }
+    function wrapCallFromJavaToJs(call) {
+        try {
+            return call();
+        } catch (e) {
+            rethrowJsAsJava(e);
+        }
+    }
+    let argumentList = [];
+    for (let i = 0; i < 32; ++i) {
+        let args = argumentList.length === 0 ? "" : argumentList.join(", ");
+        let argsAndBody = [...argumentList, "body"].join(", ");
+        imports.teavmJso["createFunction" + i] = new Function("wrapCallFromJavaToJs", ...argumentList, "body",
+            `return new Function('wrapCallFromJavaToJs', ${argsAndBody}).bind(this, wrapCallFromJavaToJs);`
+        ).bind(null, wrapCallFromJavaToJs);
+        imports.teavmJso["callFunction" + i] = new Function("rethrowJsAsJava", "fn", ...argumentList,
+            `try {\n` +
+            `    return fn(${args});\n` +
+            `} catch (e) {\n` +
+            `    rethrowJsAsJava(e);\n` +
+            `}`
+        ).bind(null, rethrowJsAsJava);
+        imports.teavmJso["callMethod" + i] = new Function("rethrowJsAsJava", "getGlobalName", "instance",
+            "method", ...argumentList,
+            `try {\n`+
+            `    return instance !== null\n` +
+            `        ? instance[method](${args})\n` +
+            `        : getGlobalName(method)(${args});\n` +
+            `} catch (e) {\n` +
+            `    rethrowJsAsJava(e);\n` +
+            `}`
+        ).bind(null, rethrowJsAsJava, getGlobalName);
+        imports.teavmJso["construct" + i] = new Function("rethrowJsAsJava", "constructor", ...argumentList,
+            `try {\n` +
+            `    return new constructor(${args});\n` +
+            `} catch (e) {\n` +
+            `    rethrowJsAsJava(e);\n` +
+            `}`
+        ).bind(null, rethrowJsAsJava);
+        imports.teavmJso["arrayOf" + i] = new Function(...argumentList, "return [" + args + "]");
+
+        let param = "p" + (i + 1);
+        argumentList.push(param);
+    }
+}
+
+function load(path, options) {
+    if (!options) {
+        options = {};
+    }
+
+    const importObj = {};
+    const defaultsResults = defaults(importObj);
+    if (typeof options.installImports !== "undefined") {
+        options.installImports(importObj);
+    }
+
+    return WebAssembly.instantiateStreaming(fetch(path), importObj)
+        .then(r => {
+            defaultsResults.supplyExports(r.instance.exports);
+            let userExports = {};
+            let teavm = {
+                exports: userExports,
+                instance: r.instance,
+                module: r.module
+            };
+            for (let key in r.instance.exports) {
+                let exportObj = r.instance.exports[key];
+                if (exportObj instanceof WebAssembly.Global) {
+                    Object.defineProperty(userExports, key, {
+                        get: () => exportObj.value
+                    });
+                }
+            }
+            return teavm;
+        });
+}

core/src/main/js/wasm-gc-runtime/simple-wrapper.js

@@ -0,0 +1,22 @@
+/*
+ *  Copyright 2024 Alexey Andreev.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+var TeaVM = TeaVM || {};
+TeaVM.wasmGC = TeaVM.wasmGC || (() => {
+    include();
+    return { load, defaults };
+})();
+

core/src/main/resources/org/teavm/backend/wasm/wasm-gc-runtime.js

@@ -1,609 +0,0 @@
-/*
- *  Copyright 2024 Alexey Andreev.
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-
-var TeaVM = TeaVM || {};
-if (window && window.TeaVM === undefined) {
-    window.TeaVM = TeaVM;
-}
-TeaVM.wasmGC = TeaVM.wasmGC || function() {
-    let exports;
-    let globalsCache = new Map();
-    let stackDeobfuscator = null;
-    let chromeExceptionRegex = / *at .+\.wasm:wasm-function\[[0-9]+]:0x([0-9a-f]+).*/;
-    let getGlobalName = function(name) {
-        let result = globalsCache.get(name);
-        if (typeof result === "undefined") {
-            result = new Function("return " + name + ";");
-            globalsCache.set(name, result);
-        }
-        return result();
-    }
-    let setGlobalName = function(name, value) {
-        new Function("value", name + " = value;")(value);
-    }
-
-    function defaults(imports) {
-        dateImports(imports);
-        consoleImports(imports);
-        coreImports(imports);
-        jsoImports(imports);
-        imports.teavmMath = Math;
-    }
-
-    let javaExceptionSymbol = Symbol("javaException");
-    class JavaError extends Error {
-        constructor(javaException) {
-            super();
-            this[javaExceptionSymbol] = javaException;
-        }
-        get message() {
-            let exceptionMessage = exports["teavm.exceptionMessage"];
-            if (typeof exceptionMessage === "function") {
-                let message = exceptionMessage(this[javaExceptionSymbol]);
-                if (message != null) {
-                    return message;
-                }
-            }
-            return "(could not fetch message)";
-        }
-    }
-
-    function dateImports(imports) {
-        imports.teavmDate = {
-            currentTimeMillis: () => new Date().getTime(),
-            dateToString: timestamp => new Date(timestamp).toString(),
-            getYear: timestamp => new Date(timestamp).getFullYear(),
-            setYear(timestamp, year) {
-                let date = new Date(timestamp);
-                date.setFullYear(year);
-                return date.getTime();
-            },
-            getMonth: timestamp =>new Date(timestamp).getMonth(),
-            setMonth(timestamp, month) {
-                let date = new Date(timestamp);
-                date.setMonth(month);
-                return date.getTime();
-            },
-            getDate: timestamp =>new Date(timestamp).getDate(),
-            setDate(timestamp, value) {
-                let date = new Date(timestamp);
-                date.setDate(value);
-                return date.getTime();
-            },
-            create: (year, month, date, hrs, min, sec) => new Date(year, month, date, hrs, min, sec).getTime(),
-            createFromUTC: (year, month, date, hrs, min, sec) => Date.UTC(year, month, date, hrs, min, sec)
-        };
-    }
-
-    function consoleImports(imports) {
-        let stderr = "";
-        let stdout = "";
-        imports.teavmConsole = {
-            putcharStderr(c) {
-                if (c === 10) {
-                    console.error(stderr);
-                    stderr = "";
-                } else {
-                    stderr += String.fromCharCode(c);
-                }
-            },
-            putcharStdout(c) {
-                if (c === 10) {
-                    console.log(stdout);
-                    stdout = "";
-                } else {
-                    stdout += String.fromCharCode(c);
-                }
-            },
-        };
-    }
-
-    function coreImports(imports) {
-        let finalizationRegistry = new FinalizationRegistry(heldValue => {
-            let report = exports["teavm.reportGarbageCollectedValue"];
-            if (typeof report === "function") {
-                report(heldValue)
-            }
-        });
-        let stringFinalizationRegistry = new FinalizationRegistry(heldValue => {
-            let report = exports["teavm.reportGarbageCollectedString"];
-            if (typeof report === "function") {
-                report(heldValue);
-            }
-        });
-        imports.teavm = {
-            createWeakRef(value, heldValue) {
-                let weakRef = new WeakRef(value);
-                if (heldValue !== null) {
-                    finalizationRegistry.register(value, heldValue)
-                }
-                return weakRef;
-            },
-            deref: weakRef => weakRef.deref(),
-            createStringWeakRef(value, heldValue) {
-                let weakRef = new WeakRef(value);
-                stringFinalizationRegistry.register(value, heldValue)
-                return weakRef;
-            },
-            stringDeref: weakRef => weakRef.deref(),
-            currentStackTrace() {
-                if (stackDeobfuscator) {
-                    return;
-                }
-                let reportCallFrame = exports["teavm.reportCallFrame"];
-                if (typeof reportCallFrame !== "function") {
-                    return;
-                }
-                let stack = new Error().stack;
-                for (let line in stack.split("\n")) {
-                    let match = chromeExceptionRegex.exec(line);
-                    if (match !== null) {
-                        let address = parseInt(match.groups[1], 16);
-                        let frames = stackDeobfuscator(address);
-                        for (let frame of frames) {
-                            let line = frame.line;
-                            reportCallFrame(file, method, cls, line);
-                        }
-                    }
-                }
-            }
-        };
-    }
-
-    function jsoImports(imports) {
-        let javaObjectSymbol = Symbol("javaObject");
-        let functionsSymbol = Symbol("functions");
-        let functionOriginSymbol = Symbol("functionOrigin");
-        let wrapperCallMarkerSymbol = Symbol("wrapperCallMarker");
-
-        let jsWrappers = new WeakMap();
-        let javaWrappers = new WeakMap();
-        let primitiveWrappers = new Map();
-        let primitiveFinalization = new FinalizationRegistry(token => primitiveFinalization.delete(token));
-        let hashCodes = new WeakMap();
-        let javaExceptionWrappers = new WeakMap();
-        let lastHashCode = 2463534242;
-        let nextHashCode = () => {
-            let x = lastHashCode;
-            x ^= x << 13;
-            x ^= x >>> 17;
-            x ^= x << 5;
-            lastHashCode = x;
-            return x;
-        }
-
-        function identity(value) {
-            return value;
-        }
-        function sanitizeName(str) {
-            let result = "";
-            let firstChar = str.charAt(0);
-            result += isIdentifierStart(firstChar) ? firstChar : '_';
-            for (let i = 1; i < str.length; ++i) {
-                let c = str.charAt(i)
-                result += isIdentifierPart(c) ? c : '_';
-            }
-            return result;
-        }
-        function isIdentifierStart(s) {
-            return s >= 'A' && s <= 'Z' || s >= 'a' && s <= 'z' || s === '_' || s === '$';
-        }
-        function isIdentifierPart(s) {
-            return isIdentifierStart(s) || s >= '0' && s <= '9';
-        }
-        function setProperty(obj, prop, value) {
-            if (obj === null) {
-                setGlobalName(prop, value);
-            } else {
-                obj[prop] = value;
-            }
-        }
-        function javaExceptionToJs(e) {
-            if (e instanceof WebAssembly.Exception) {
-                let tag = exports["teavm.javaException"];
-                if (e.is(tag)) {
-                    let javaException = e.getArg(tag, 0);
-                    let extracted = extractException(javaException);
-                    if (extracted !== null) {
-                        return extracted;
-                    }
-                    let wrapperRef = javaExceptionWrappers.get(javaException);
-                    if (typeof wrapperRef != "undefined") {
-                        let wrapper = wrapperRef.deref();
-                        if (typeof wrapper !== "undefined") {
-                            return wrapper;
-                        }
-                    }
-                    let wrapper = new JavaError(javaException);
-                    javaExceptionWrappers.set(javaException, new WeakRef(wrapper));
-                    return wrapper;
-                }
-            }
-            return e;
-        }
-        function jsExceptionAsJava(e) {
-            if (javaExceptionSymbol in e) {
-                return e[javaExceptionSymbol];
-            } else {
-                return exports["teavm.js.wrapException"](e);
-            }
-        }
-        function rethrowJsAsJava(e) {
-            exports["teavm.js.throwException"](jsExceptionAsJava(e));
-        }
-        function extractException(e) {
-            return exports["teavm.js.extractException"](e);
-        }
-        function rethrowJavaAsJs(e) {
-            throw javaExceptionToJs(e);
-        }
-        function getProperty(obj, prop) {
-            try {
-                return obj !== null ? obj[prop] : getGlobalName(prop)
-            } catch (e) {
-                rethrowJsAsJava(e);
-            }
-        }
-        function defineFunction(fn) {
-            let params = [];
-            for (let i = 0; i < fn.length; ++i) {
-                params.push("p" + i);
-            }
-            let paramsAsString = params.length === 0 ? "" : params.join(", ");
-            return new Function("rethrowJavaAsJs", "fn",
-                    `return function(${paramsAsString}) {\n` +
-                    `    try {\n` +
-                    `        return fn(${paramsAsString});\n` +
-                    `    } catch (e) {\n` +
-                    `        rethrowJavaAsJs(e);\n` +
-                    `    }\n` +
-                    `};`
-                )(rethrowJavaAsJs, fn);
-        }
-        function renameConstructor(name, c) {
-            return new Function(
-                "constructor",
-                `return function ${name}(marker, javaObject) {\n` +
-                `    return constructor.call(this, marker, javaObject);\n` +
-                `}\n`
-            )(c);
-        }
-        imports.teavmJso = {
-            emptyString: () => "",
-            stringFromCharCode: code => String.fromCharCode(code),
-            concatStrings: (a, b) => a + b,
-            stringLength: s => s.length,
-            charAt: (s, index) => s.charCodeAt(index),
-            emptyArray: () => [],
-            appendToArray: (array, e) => array.push(e),
-            unwrapBoolean: value => value ? 1 : 0,
-            wrapBoolean: value => !!value,
-            getProperty: getProperty,
-            getPropertyPure: getProperty,
-            setProperty: setProperty,
-            setPropertyPure: setProperty,
-            global(name) {
-                try {
-                    return getGlobalName(name);
-                } catch (e) {
-                    rethrowJsAsJava(e);
-                }
-            },
-            createClass(name, parent, constructor) {
-                name = sanitizeName(name || "JavaObject");
-                let action;
-                if (parent === null) {
-                    action = function (javaObject) {
-                        this[javaObjectSymbol] = javaObject;
-                        this[functionsSymbol] = null;
-                    };
-                } else {
-                    action = function (javaObject) {
-                        parent.call(this, javaObject);
-                    };
-                    fn.prototype = Object.create(parent);
-                    fn.prototype.constructor = parent;
-                }
-                let fn = renameConstructor(name, function (marker, javaObject) {
-                    if (marker === wrapperCallMarkerSymbol) {
-                        action.call(this, javaObject);
-                    } else if (constructor === null) {
-                        throw new Error("This class can't be instantiated directly");
-                    } else {
-                        try {
-                            return constructor.apply(null, arguments);
-                        } catch (e) {
-                            rethrowJavaAsJs(e);
-                        }
-                    }
-                });
-                fn.prototype = Object.create(parent || Object.prototype);
-                fn.prototype.constructor = fn;
-                let boundFn = renameConstructor(name, function(javaObject) {
-                    return fn.call(this, wrapperCallMarkerSymbol, javaObject);
-                });
-                boundFn[wrapperCallMarkerSymbol] = fn;
-                boundFn.prototype = fn.prototype;
-                return boundFn;
-            },
-            exportClass(cls) {
-                return cls[wrapperCallMarkerSymbol];
-            },
-            defineMethod(cls, name, fn) {
-                let params = [];
-                for (let i = 1; i < fn.length; ++i) {
-                    params.push("p" + i);
-                }
-                let paramsAsString = params.length === 0 ? "" : params.join(", ");
-                cls.prototype[name] = new Function("rethrowJavaAsJs", "fn",
-                    `return function(${paramsAsString}) {\n` +
-                    `    try {\n` +
-                    `        return fn(${['this', params].join(", ")});\n` +
-                    `    } catch (e) {\n` +
-                    `        rethrowJavaAsJs(e);\n` +
-                    `    }\n` +
-                    `};`
-                )(rethrowJavaAsJs, fn);
-            },
-            defineStaticMethod(cls, name, fn) {
-                cls[name] = defineFunction(fn);
-            },
-            defineFunction: defineFunction,
-            defineProperty(cls, name, getFn, setFn) {
-                let descriptor = {
-                    get() {
-                        try {
-                            return getFn(this);
-                        } catch (e) {
-                            rethrowJavaAsJs(e);
-                        }
-                    }
-                };
-                if (setFn !== null) {
-                    descriptor.set = function(value) {
-                        try {
-                            setFn(this, value);
-                        } catch (e) {
-                            rethrowJavaAsJs(e);
-                        }
-                    }
-                }
-                Object.defineProperty(cls.prototype, name, descriptor);
-            },
-            defineStaticProperty(cls, name, getFn, setFn) {
-                let descriptor = {
-                    get() {
-                        try {
-                            return getFn();
-                        } catch (e) {
-                            rethrowJavaAsJs(e);
-                        }
-                    }
-                };
-                if (setFn !== null) {
-                    descriptor.set = function(value) {
-                        try {
-                            setFn(value);
-                        } catch (e) {
-                            rethrowJavaAsJs(e);
-                        }
-                    }
-                }
-                Object.defineProperty(cls, name, descriptor);
-            },
-            javaObjectToJS(instance, cls) {
-                let existing = jsWrappers.get(instance);
-                if (typeof existing != "undefined") {
-                    let result = existing.deref();
-                    if (typeof result !== "undefined") {
-                        return result;
-                    }
-                }
-                let obj = new cls(instance);
-                jsWrappers.set(instance, new WeakRef(obj));
-                return obj;
-            },
-            unwrapJavaObject(instance) {
-                return instance[javaObjectSymbol];
-            },
-            asFunction(instance, propertyName) {
-                let functions = instance[functionsSymbol];
-                if (functions === null) {
-                    functions = Object.create(null);
-                    instance[functionsSymbol] = functions;
-                }
-                let result = functions[propertyName];
-                if (typeof result !== 'function') {
-                    result = function() {
-                        return instance[propertyName].apply(instance, arguments);
-                    }
-                    result[functionOriginSymbol] = instance;
-                    functions[propertyName] = result;
-                }
-                return result;
-            },
-            functionAsObject(fn, property) {
-                let origin = fn[functionOriginSymbol];
-                if (typeof origin !== 'undefined') {
-                    let functions = origin[functionsSymbol];
-                    if (functions !== void 0 && functions[property] === fn) {
-                        return origin;
-                    }
-                }
-                return {
-                    [property]: function(...args) {
-                        try {
-                            return fn(...args);
-                        } catch (e) {
-                            rethrowJavaAsJs(e);
-                        }
-                    }
-                };
-            },
-            wrapObject(obj) {
-                if (obj === null) {
-                    return null;
-                }
-                if (typeof obj === "object" || typeof obj === "function" || typeof "obj" === "symbol") {
-                    let result = obj[javaObjectSymbol];
-                    if (typeof result === "object") {
-                        return result;
-                    }
-                    result = javaWrappers.get(obj);
-                    if (result !== void 0) {
-                        result = result.deref();
-                        if (result !== void 0) {
-                            return result;
-                        }
-                    }
-                    result = exports["teavm.jso.createWrapper"](obj);
-                    javaWrappers.set(obj, new WeakRef(result));
-                    return result;
-                } else {
-                    let result = primitiveWrappers.get(obj);
-                    if (result !== void 0) {
-                        result = result.deref();
-                        if (result !== void 0) {
-                            return result;
-                        }
-                    }
-                    result = exports["teavm.jso.createWrapper"](obj);
-                    primitiveWrappers.set(obj, new WeakRef(result));
-                    primitiveFinalization.register(result, obj);
-                    return result;
-                }
-            },
-            isPrimitive: (value, type) => typeof value === type,
-            instanceOf: (value, type) => value instanceof type,
-            instanceOfOrNull: (value, type) => value === null || value instanceof type,
-            sameRef: (a, b) => a === b,
-            hashCode: (obj) => {
-                if (typeof obj === "object" || typeof obj === "function" || typeof obj === "symbol") {
-                    let code = hashCodes.get(obj);
-                    if (typeof code === "number") {
-                        return code;
-                    }
-                    code = nextHashCode();
-                    hashCodes.set(obj, code);
-                    return code;
-                } else if (typeof obj === "number") {
-                    return obj | 0;
-                } else if (typeof obj === "bigint") {
-                    return BigInt.asIntN(obj, 32);
-                } else if (typeof obj === "boolean") {
-                    return obj ? 1 : 0;
-                } else {
-                    return 0;
-                }
-            },
-            apply: (instance, method, args) => {
-                try {
-                    if (instance === null) {
-                        let fn = getGlobalName(method);
-                        return fn(...args);
-                    } else {
-                        return instance[method](...args);
-                    }
-                } catch (e) {
-                    rethrowJsAsJava(e);
-                }
-            },
-            concatArray: (a, b) => a.concat(b),
-            getJavaException: e => e[javaExceptionSymbol]
-        };
-        for (let name of ["wrapByte", "wrapShort", "wrapChar", "wrapInt", "wrapFloat", "wrapDouble", "unwrapByte",
-                "unwrapShort", "unwrapChar", "unwrapInt", "unwrapFloat", "unwrapDouble"]) {
-            imports.teavmJso[name] = identity;
-        }
-        function wrapCallFromJavaToJs(call) {
-            try {
-                return call();
-            } catch (e) {
-                rethrowJsAsJava(e);
-            }
-        }
-        let argumentList = [];
-        for (let i = 0; i < 32; ++i) {
-            let args = argumentList.length === 0 ? "" : argumentList.join(", ");
-            let argsAndBody = [...argumentList, "body"].join(", ");
-            imports.teavmJso["createFunction" + i] = new Function("wrapCallFromJavaToJs", ...argumentList, "body",
-                `return new Function('wrapCallFromJavaToJs', ${argsAndBody}).bind(this, wrapCallFromJavaToJs);`
-            ).bind(null, wrapCallFromJavaToJs);
-            imports.teavmJso["callFunction" + i] = new Function("rethrowJsAsJava", "fn", ...argumentList,
-                `try {\n` +
-                `    return fn(${args});\n` +
-                `} catch (e) {\n` +
-                `    rethrowJsAsJava(e);\n` +
-                `}`
-            ).bind(null, rethrowJsAsJava);
-            imports.teavmJso["callMethod" + i] = new Function("rethrowJsAsJava", "getGlobalName", "instance",
-                "method", ...argumentList,
-                `try {\n`+
-                `    return instance !== null\n` +
-                `        ? instance[method](${args})\n` +
-                `        : getGlobalName(method)(${args});\n` +
-                `} catch (e) {\n` +
-                `    rethrowJsAsJava(e);\n` +
-                `}`
-            ).bind(null, rethrowJsAsJava, getGlobalName);
-            imports.teavmJso["construct" + i] = new Function("rethrowJsAsJava", "constructor", ...argumentList,
-                `try {\n` +
-                `    return new constructor(${args});\n` +
-                `} catch (e) {\n` +
-                `    rethrowJsAsJava(e);\n` +
-                `}`
-            ).bind(null, rethrowJsAsJava);
-            imports.teavmJso["arrayOf" + i] = new Function(...argumentList, "return [" + args + "]");
-
-            let param = "p" + (i + 1);
-            argumentList.push(param);
-        }
-    }
-
-    function load(path, options) {
-        if (!options) {
-            options = {};
-        }
-
-        const importObj = {};
-        defaults(importObj);
-        if (typeof options.installImports !== "undefined") {
-            options.installImports(importObj);
-        }
-
-        return WebAssembly.instantiateStreaming(fetch(path), importObj)
-            .then(r => {
-                exports = r.instance.exports;
-                let userExports = {};
-                let teavm = {
-                    exports: userExports,
-                    instance: r.instance,
-                    module: r.module
-                };
-                for (let key in r.instance.exports) {
-                    let exportObj = r.instance.exports[key];
-                    if (exportObj instanceof WebAssembly.Global) {
-                        Object.defineProperty(userExports, key, {
-                            get: () => exportObj.value
-                        });
-                    }
-                }
-                return teavm;
-            });
-    }
-
-    return { load, defaults };
-}();

gradle/libs.versions.toml

@@ -71,3 +71,4 @@ version.ref = "shadow"
 shadow = { id = "com.github.johnrengelman.shadow", version.ref = "shadow" }
 intellij = { id = "org.jetbrains.intellij", version = "1.17.2" }
 pluginPublish = { id = "com.gradle.plugin-publish", version = "1.1.0" }
+nodejs = { id = "com.github.node-gradle.node", version = "7.1.0" }

tests/src/test/java/org/teavm/jso/export/ExportTest.java

@@ -203,8 +203,8 @@ public class ExportTest {
             }
             var testProviderFile = new File(outputDir, "provider.js");
             try (var writer = new OutputStreamWriter(new FileOutputStream(testProviderFile), StandardCharsets.UTF_8)) {
-                writer.write("await import('/resources/org/teavm/backend/wasm/wasm-gc-runtime.js');\n");
-                writer.write("let teavm = await TeaVM.wasmGC.load('/tests/" + name + "/test.wasm');\n");
+                writer.write("import { load } from '/resources/org/teavm/backend/wasm/wasm-gc-module-runtime.js';\n");
+                writer.write("let teavm = await load('/tests/" + name + "/test.wasm');\n");
                 writer.write("export default teavm.exports;\n");
             }
 

tools/deobfuscator-js/build.gradle.kts

@@ -65,7 +65,7 @@ val generateLibJs by tasks.register<JavaExec>("generateLibJs") {
 }
 
 val zipWithJs by tasks.register<Jar>("zipWithJs") {
-    //dependsOn(generateJs, generateLibJs)
+    dependsOn(generateJs, generateLibJs)
     archiveClassifier = "js"
     from(layout.buildDirectory.dir("teavm"), layout.buildDirectory.dir("teavm-lib"))
     entryCompression = ZipEntryCompression.DEFLATED

tools/gradle/src/main/java/org/teavm/gradle/tasks/CopyWasmGCRuntimeTask.java

@@ -29,7 +29,7 @@ public abstract class CopyWasmGCRuntimeTask extends DefaultTask {
 
     @TaskAction
     public void copyRuntime() throws IOException {
-        var resourceName = "org/teavm/backend/wasm/wasm-gc-runtime.js";
+        var resourceName = "org/teavm/backend/wasm/wasm-gc-runtime.min.js";
         var classLoader = CopyWasmGCRuntimeTask.class.getClassLoader();
         var output = getOutputFile().get().getAsFile();
         try (var input = classLoader.getResourceAsStream(resourceName)) {