fix: prevent rollup from optimizing "void 0" to "undefined"

(only caused headaches)

.github/workflows/tagged-release.yml

@@ -3,7 +3,7 @@ name: "tagged-release"
 on:
   push:
     tags:
-      - "v*"
+      - "*"
 
 jobs:
   tagged-release:
@@ -11,27 +11,24 @@ jobs:
     runs-on: "ubuntu-latest"
 
     steps:
+      - name: Clone repository
+        uses: actions/checkout@v3
       - name: Setup Java
         uses: actions/setup-java@v3
         with:
           distribution: 'adopt'
-          java-version: '11'
+          java-version: '17'
       - name: Setup Gradle
         uses: gradle/gradle-build-action@v2
-      - name: Clone repository
-        uses: GuillaumeFalourd/clone-github-repo-action@main
         with:
-          branch: 'master'
-          owner: 'TopchetoEU'
-          repository: 'java-jscript'
+          cache-disabled: true
+          gradle-version: "8.10"
       - name: Build
-        run: |
-          cd java-jscript; gradle build
-
-      - uses: "marvinpinto/action-automatic-releases@latest"
+        run: gradle build
+      - name: Create release
+        uses: "https://gitea.com/actions/gitea-release-action@main"
         with:
-          repo_token: "${{ secrets.GITHUB_TOKEN }}"
-          prerelease: false
+          # api_key: "${{secrets.TOKEN}}"
           files: |
-            java-jscript/LICENSE
-            java-jscript/build/libs/*.jar
+            LICENSE
+            build/libs/*.jar

.gitignore

@@ -1,24 +1,19 @@
-*
+/*
 
 !/src
-!/src/**/*
-
 !/doc
-!/doc/**/*
-
 !/tests
-!/tests/**/*
-
 !/.github
-!/.github/**/*
 
 !/.gitignore
 !/.gitattributes
 !/LICENSE
 !/README.md
+
 !/settings.gradle
 !/build.gradle
 !/gradle.properties
-!/gradle
-!/gradle/wrapper
-!/gradle/wrapper/gradle-wrapper.properties
+
+!/package.json
+!/rollup.config.js
+!/tsconfig.json

README.md

@@ -23,7 +23,3 @@ engine.run(true);
 // Get our result
 System.out.println(awaitable.await());
 ```
-
-## NOTE:
-
-To setup the typescript bundle in your sources, run `node build.js init-ts`. This will download the latest version of typescript, minify it, and add it to your src folder. If you are going to work with the `node build.js debug|release` command, this is not a necessary step.

build.gradle

@@ -1,32 +1,128 @@
+import java.text.SimpleDateFormat
+
 plugins {
-    id "application"
+	id 'application';
+	id 'com.github.node-gradle.node' version '5.0.0';
+	id 'net.nemerosa.versioning' version '2.15.0';
+	id 'org.ajoberstar.grgit' version '5.0.0-rc.3'; // required by gradle
+
+	// TODO: figure out how to integrate proguard
+	// id "com.github.xaverkapeller.proguard-annotations"
+}
+
+base.archivesName = project.project_name;
+version = project.project_version;
+group = project.project_group;
+description = 'ES5-compliant JavaScript interpreter';
+
+node {
+	version = '20.0.0';
+	npmVersion = '8.0.0';
+	download = true;
+}
+
+task compileEnv(type: NpmTask) {
+	dependsOn npmInstall;
+
+	inputs.files('rollup.config.js');
+	inputs.dir('src/lib/libs');
+	outputs.files("build/js/env.js");
+
+	// group = 'build'
+	args = ['run', 'build-env'];
+}
+task compileTypescript(type: NpmTask) {
+	dependsOn npmInstall;
+
+	inputs.files('rollup.config.js');
+	inputs.dir('src/lib/transpiler');
+	outputs.files("build/js/ts.js");
+	// nom nom tasty ram
+	environment.put("NODE_OPTIONS", "--max-old-space-size=4096");
+
+	// group = 'build'
+	args = ['run', 'build-ts'];
+}
+
+
+repositories {
+	mavenCentral();
+}
+
+dependencies {
+	annotationProcessor 'com.github.bsideup.jabel:jabel-javac-plugin:0.4.2';
+	compileOnly 'com.github.bsideup.jabel:jabel-javac-plugin:0.4.2';
+	testImplementation 'org.junit.jupiter:junit-jupiter:5.9.2';
+	testRuntimeOnly 'org.junit.platform:junit-platform-launcher';
 }
 
 java {
-    sourceCompatibility = JavaVersion.VERSION_11
-    targetCompatibility = JavaVersion.VERSION_11
-    toolchain.languageVersion = JavaLanguageVersion.of(11)
-    withSourcesJar()
+	sourceCompatibility = JavaVersion.VERSION_17;
+	targetCompatibility = JavaVersion.VERSION_17;
+
+	toolchain {
+		languageVersion = JavaLanguageVersion.of(17);
+	}
+}
+
+configure([tasks.compileJava]) {
+	options.release = 8;
 }
 
 jar {
-    manifest.attributes["Main-class"] = project.main_class
+	manifest {
+		attributes(
+			'Main-Class': project.main_class,
+			'Build-Timestamp': new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ").format(new Date()),
+			'Build-Branch': versioning.info.branch,
+			'Build-Revision': versioning.info.commit,
+			'Build-Jdk': "${System.properties['java.version']} (${System.properties['java.vendor']} ${System.properties['java.vm.version']})",
+			'Build-Author': 'TopchetoEU',
+		);
+	}
 }
 
-sourceSets {
-    main.java.srcDirs = [ "src/java" ]
-    main.resources.srcDirs = [ "src/assets" ]
+application {
+	mainClass = project.main_class;
+	applicationDefaultJvmArgs = ['-Xmx2G', '-Xms2G', '-server', '-Dfile.encoding=UTF-8'];
+}
+
+distZip {
+	eachFile { file ->
+		if (file.path.contains('bin')) {
+			file.exclude();
+		}
+	}
+}
+
+distTar {
+	eachFile { file ->
+		if (file.path.contains('bin')) {
+			file.exclude();
+		}
+	}
 }
 
 processResources {
-    filesMatching "metadata.json", {
-        expand(
-            version: project.project_version,
-            name: project.project_name
-        )
-    }
+	dependsOn compileEnv;
+	dependsOn compileTypescript;
+
+	from("build/js") {
+		into "lib";
+	}
+
+	filesMatching "metadata.json", {
+		expand(
+			version: project.project_version,
+			name: project.project_name,
+		);
+	}
 }
 
-base.archivesName = project.project_name
-version = project.project_version
-group = project.project_group
+test {
+	useJUnitPlatform();
+}
+
+wrapper {
+	gradleVersion = '8.10';
+}

gradle.properties

@@ -1,4 +1,4 @@
 project_group = me.topchetoeu
 project_name = jscript
-project_version = 0.8.6-beta
-main_class = me.topchetoeu.jscript.utils.JScriptRepl
+project_version = 0.10.0-beta
+main_class = me.topchetoeu.jscript.repl.SimpleRepl

gradle/wrapper/gradle-wrapper.properties

@@ -1,7 +0,0 @@
-distributionBase=GRADLE_USER_HOME
-distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.5-bin.zip
-networkTimeout=10000
-validateDistributionUrl=true
-zipStoreBase=GRADLE_USER_HOME
-zipStorePath=wrapper/dists

package.json

@@ -0,0 +1,31 @@
+{
+	"scripts": {
+		"build-env": "rollup -c --environment INPUT:src/lib/libs/_entry.ts,OUTPUT:build/js/index.js,POLYFILLS:src/lib/libs/polyfills",
+		"build-ts": "rollup -c --environment INPUT:src/lib/transpiler/_entry.ts,OUTPUT:build/js/ts.js"
+	},
+	"dependencies": {
+		"@babel/core": "^7.26.0",
+		"@babel/runtime": "^7.26.0",
+		"@babel/standalone": "^7.26.4",
+		"@rollup/plugin-json": "^6.1.0",
+		"@types/babel__preset-env": "^7.9.7",
+		"@types/babel__standalone": "^7.1.9",
+		"@types/coffeescript": "^2.5.7",
+		"coffeescript": "^2.7.0",
+		"typescript": "^5.7.2"
+	},
+	"devDependencies": {
+		"@babel/plugin-transform-class-properties": "^7.25.9",
+		"@babel/plugin-transform-runtime": "^7.25.9",
+		"@babel/plugin-transform-typescript": "^7.25.9",
+		"@babel/preset-env": "^7.26.0",
+		"@rollup/plugin-babel": "^6.0.4",
+		"@rollup/plugin-commonjs": "^28.0.1",
+		"@rollup/plugin-node-resolve": "^15.3.0",
+		"@rollup/plugin-terser": "^0.4.4",
+		"@rollup/plugin-typescript": "^12.1.1",
+		"@types/node": "^22.10.1",
+		"rollup": "^4.24.0",
+		"tslib": "^2.8.0"
+	}
+}

rollup.config.js

@@ -0,0 +1,131 @@
+const { defineConfig } = require("rollup");
+const terser = require("@rollup/plugin-terser");
+const typescript = require("@rollup/plugin-typescript");
+const babel = require("@rollup/plugin-babel");
+const commonjs = require("@rollup/plugin-commonjs");
+const nodeResolve = require("@rollup/plugin-node-resolve");
+const json = require("@rollup/plugin-json");
+const { resolve } = require("path");
+
+const shouldMinify = () => true;
+const shouldEmitSourcemaps = () => true;
+const shouldPolyfill = () => !!process.env.POLYFILLS;
+
+const construct = (input, output) => defineConfig({
+	input,
+	plugins: [
+		shouldPolyfill() && {
+			name: "babel-fake-runtime",
+			resolveId(source) {
+				if (source.startsWith("!polyfills:/helpers")) return resolve(process.env.POLYFILLS) + source.slice(19) + ".js";
+			}
+		},
+		commonjs(),
+		nodeResolve(),
+		json(),
+		babel({
+			extensions: [],
+			exclude: ["node_modules/**"],
+
+			babelHelpers: "runtime",
+			plugins: [
+				["@babel/plugin-transform-typescript", {
+					onlyRemoveTypeImports: true,
+					optimizeConstEnums: true,
+					allowDeclareFields: true,
+				}],
+				["@babel/plugin-transform-class-properties"],
+				["@babel/plugin-transform-runtime", {
+					moduleName: shouldPolyfill() ? "!polyfills:" : undefined,
+					version: "^7.24.0",
+				}],
+			]
+		}),
+		babel({
+			extensions: [],
+			exclude: shouldPolyfill() ? [process.env.POLYFILLS + "/**"] : [],
+
+			assumptions: {
+				ignoreToPrimitiveHint: true,
+				noClassCalls: true,
+			},
+
+			env: {
+				development: { compact: false },
+			},
+
+			babelHelpers: "runtime",
+			plugins: [
+				"@babel/plugin-transform-arrow-functions",
+				"@babel/plugin-transform-block-scoping",
+				"@babel/plugin-transform-classes",
+				"@babel/plugin-transform-computed-properties",
+				"@babel/plugin-transform-destructuring",
+				"@babel/plugin-transform-for-of",
+				"@babel/plugin-transform-object-super",
+				"@babel/plugin-transform-parameters",
+				"@babel/plugin-transform-shorthand-properties",
+				"@babel/plugin-transform-spread",
+				"@babel/plugin-transform-object-rest-spread",
+				"@babel/plugin-transform-template-literals",
+				"@babel/plugin-transform-unicode-escapes",
+				"@babel/plugin-transform-unicode-regex",
+				"@babel/plugin-transform-exponentiation-operator",
+				"@babel/plugin-transform-async-to-generator",
+				"@babel/plugin-transform-async-generator-functions",
+				"@babel/plugin-transform-nullish-coalescing-operator",
+				"@babel/plugin-transform-optional-chaining",
+				"@babel/plugin-transform-logical-assignment-operators",
+				"@babel/plugin-transform-numeric-separator",
+				"@babel/plugin-transform-class-properties",
+				"@babel/plugin-transform-class-static-block",
+				"@babel/plugin-transform-regenerator",
+
+				["@babel/plugin-transform-runtime", {
+					moduleName: shouldPolyfill() ? "!polyfills:" : undefined,
+					version: "^7.24.0",
+				}],
+			],
+		}),
+		typescript({
+			exclude: ["node_modules/**", "*.js"],
+			compilerOptions: {
+				allowImportingTsExtensions: true,
+				noEmit: true,
+			},
+			noForceEmit: true,
+			noEmitOnError: true,
+		}),
+		shouldMinify() && terser({
+			sourceMap: shouldEmitSourcemaps(),
+			keep_classnames: true,
+			keep_fnames: true,
+		}),
+	],
+	output: {
+		file: output,
+		format: "iife",
+		globals: {
+			fs: "null",
+			path: "null",
+			os: "null",
+			inspector: "null",
+			tty: "null",
+			util: "null",
+			assert: "null",
+			url: "null",
+			"@babel/preset-typescript/package.json": "null",
+			module: "null",
+			process: "null",
+			v8: "null",
+		},
+		// plugins: [babel.getBabelOutputPlugin({
+		// 	allowAllFormats: true,
+		// })],
+
+		sourcemap: shouldEmitSourcemaps(),
+		inlineDynamicImports: true,
+	},
+});
+
+module.exports = construct(process.env.INPUT, process.env.OUTPUT);

settings.gradle

@@ -1,5 +1,12 @@
-plugins {
-    id 'org.gradle.toolchains.foojay-resolver-convention' version '0.7.0'
+pluginManagement {
+	repositories {
+		mavenCentral();
+		gradlePluginPortal();
+	}
 }
 
-rootProject.name = properties.project_name
+plugins {
+	id 'org.gradle.toolchains.foojay-resolver-convention' version '0.7.0';
+}
+
+rootProject.name = properties.project_name;

src/java/me/topchetoeu/jscript/common/Buffer.java

@@ -1,53 +0,0 @@
-package me.topchetoeu.jscript.common;
-
-public class Buffer {
-    private byte[] data;
-    private int length;
-
-    public void write(int i, byte[] val) {
-        if (i + val.length > data.length) {
-            var newCap = i + val.length + 1;
-            if (newCap < data.length * 2) newCap = data.length * 2;
-
-            var tmp = new byte[newCap];
-            System.arraycopy(this.data, 0, tmp, 0, length);
-            this.data = tmp;
-        }
-
-        System.arraycopy(val, 0, data, i, val.length);
-        if (i + val.length > length) length = i + val.length;
-    }
-    public int read(int i, byte[] buff) {
-        int n = buff.length;
-        if (i + n > length) n = length - i;
-        System.arraycopy(data, i, buff, 0, n);
-        return n;
-    }
-
-    public void append(byte b) {
-        write(length, new byte[] { b });
-    }
-
-    public byte[] data() {
-        var res = new byte[length];
-        System.arraycopy(this.data, 0, res, 0, length);
-        return res;
-    }
-    public int length() {
-        return length;
-    }
-
-    public Buffer(byte[] data) {
-        this.data = new byte[data.length];
-        this.length = data.length;
-        System.arraycopy(data, 0, this.data, 0, data.length);
-    }
-    public Buffer(int capacity) {
-        this.data = new byte[capacity];
-        this.length = 0;
-    }
-    public Buffer() {
-        this.data = new byte[128];
-        this.length = 0;
-    }
-}

src/java/me/topchetoeu/jscript/common/Filename.java

@@ -1,57 +0,0 @@
-package me.topchetoeu.jscript.common;
-
-import java.io.File;
-import java.nio.file.Path;
-
-public class Filename {
-    public final String protocol;
-    public final String path;
-
-    @Override public String toString() {
-        return protocol + "://" + path;
-    }
-    @Override public int hashCode() {
-        final int prime = 31;
-        int result = 1;
-        result = prime * result + protocol.hashCode();
-        result = prime * result + path.hashCode();
-        return result;
-    }
-    @Override public boolean equals(Object obj) {
-        if (this == obj) return true;
-        if (obj == null) return false;
-        if (getClass() != obj.getClass()) return false;
-
-        var other = (Filename) obj;
-
-        if (protocol == null) {
-            if (other.protocol != null) return false;
-        }
-        else if (!protocol.equals(other.protocol)) return false;
-
-        if (path == null) {
-            if (other.path != null) return false;
-        }
-        else if (!path.equals(other.path)) return false;
-        return true;
-    }
-
-    public Filename(String protocol, String path) {
-        path = path.trim();
-        protocol = protocol.trim();
-        this.protocol = protocol;
-        this.path = path;
-    }
-
-    public static Filename parse(String val) {
-        var i = val.indexOf("://");
-        if (i >= 0) return new Filename(val.substring(0, i).trim(), val.substring(i + 3).trim());
-        else return new Filename("file", val.trim());
-    }
-    public static Path normalize(String path) {
-        return Path.of(Path.of("/" + path.trim().replace("\\", "/")).normalize().toString().substring(1));
-    }
-    public static Filename fromFile(File file) {
-        return new Filename("file", file.getAbsolutePath());
-    }
-}

src/java/me/topchetoeu/jscript/common/FunctionBody.java

@@ -1,14 +0,0 @@
-package me.topchetoeu.jscript.common;
-
-public class FunctionBody {
-    public final FunctionBody[] children;
-    public final Instruction[] instructions;
-    public final int localsN, argsN;
-
-    public FunctionBody(int localsN, int argsN, Instruction[] instructions, FunctionBody[] children) {
-        this.children = children;
-        this.argsN = argsN;
-        this.localsN = localsN;
-        this.instructions = instructions;
-    }
-}

src/java/me/topchetoeu/jscript/common/Instruction.java

@@ -1,369 +0,0 @@
-package me.topchetoeu.jscript.common;
-
-import java.io.DataInputStream;
-import java.io.DataOutputStream;
-import java.io.IOException;
-import java.util.HashMap;
-
-import me.topchetoeu.jscript.core.exceptions.SyntaxException;
-
-public class Instruction {
-    public static enum Type {
-        NOP(0),
-        RETURN(1),
-        THROW(2),
-        THROW_SYNTAX(3),
-        DELETE(4),
-        TRY_START(5),
-        TRY_END(6),
-
-        CALL(7),
-        CALL_NEW(8),
-        JMP_IF(9),
-        JMP_IFN(10),
-        JMP(11),
-
-        PUSH_UNDEFINED(12),
-        PUSH_NULL(13),
-        PUSH_BOOL(14),
-        PUSH_NUMBER(15),
-        PUSH_STRING(16),
-
-        LOAD_VAR(17),
-        LOAD_MEMBER(18),
-        LOAD_GLOB(20),
-
-        LOAD_FUNC(21),
-        LOAD_ARR(22),
-        LOAD_OBJ(23),
-        STORE_SELF_FUNC(24),
-        LOAD_REGEX(25),
-
-        DUP(26),
-
-        STORE_VAR(27),
-        STORE_MEMBER(28),
-        DISCARD(29),
-
-        MAKE_VAR(30),
-        DEF_PROP(31),
-        KEYS(32),
-
-        TYPEOF(33),
-        OPERATION(34);
-
-        private static final HashMap<Integer, Type> types = new HashMap<>();
-        public final int numeric;
-
-        static {
-            for (var val : Type.values()) types.put(val.numeric, val);
-        }
-
-        private Type(int numeric) {
-            this.numeric = numeric;
-        }
-
-        public static Type fromNumeric(int i) {
-            return types.get(i);
-        }
-    }
-    public static enum BreakpointType {
-        NONE,
-        STEP_OVER,
-        STEP_IN;
-
-        public boolean shouldStepIn() {
-            return this != NONE;
-        }
-        public boolean shouldStepOver() {
-            return this == STEP_OVER;
-        }
-    }
-
-    public final Type type;
-    public final Object[] params;
-
-    @SuppressWarnings("unchecked")
-    public <T> T get(int i) {
-        if (i >= params.length || i < 0) return null;
-        return (T)params[i];
-    }
-    @SuppressWarnings("unchecked")
-    public <T> T get(int i, T defaultVal) {
-        if (i >= params.length || i < 0) return defaultVal;
-        return (T)params[i];
-    }
-    public boolean match(Object ...args) {
-        if (args.length != params.length) return false;
-        for (int i = 0; i < args.length; i++) {
-            var a = params[i];
-            var b = args[i];
-            if (a == null || b == null) {
-                if (!(a == null && b == null)) return false;
-            }
-            if (!a.equals(b)) return false;
-        }
-        return true;
-    }
-    public boolean is(int i, Object arg) {
-        if (params.length <= i) return false;
-        return params[i].equals(arg);
-    }
-
-    public void write(DataOutputStream writer) throws IOException {
-        var rawType = type.numeric;
-
-        switch (type) {
-            case KEYS:
-            case PUSH_BOOL:
-            case STORE_MEMBER: rawType |= (boolean)get(0) ? 128 : 0; break;
-            case STORE_VAR: rawType |= (boolean)get(1) ? 128 : 0; break;
-            case TYPEOF: rawType |= params.length > 0 ? 128 : 0; break;
-            default:
-        }
-
-        writer.writeByte(rawType);
-
-        switch (type) {
-            case CALL: writer.writeInt(get(0)); break;
-            case CALL_NEW: writer.writeInt(get(0)); break;
-            case DUP: writer.writeInt(get(0)); break;
-            case JMP: writer.writeInt(get(0)); break;
-            case JMP_IF: writer.writeInt(get(0)); break;
-            case JMP_IFN: writer.writeInt(get(0)); break;
-            case LOAD_ARR: writer.writeInt(get(0)); break;
-            case LOAD_FUNC: {
-                writer.writeInt(params.length - 1);
-
-                for (var i = 0; i < params.length; i++) {
-                    writer.writeInt(get(i + 1));
-                }
-
-                writer.writeInt(get(0));
-                break;
-            }
-            case LOAD_REGEX: writer.writeUTF(get(0)); break;
-            case LOAD_VAR: writer.writeInt(get(0)); break;
-            case MAKE_VAR: writer.writeUTF(get(0)); break;
-            case OPERATION: writer.writeByte(((Operation)get(0)).numeric); break;
-            case PUSH_NUMBER: writer.writeDouble(get(0)); break;
-            case PUSH_STRING: writer.writeUTF(get(0)); break;
-            case STORE_SELF_FUNC: writer.writeInt(get(0)); break;
-            case STORE_VAR: writer.writeInt(get(0)); break;
-            case THROW_SYNTAX: writer.writeUTF(get(0));
-            case TRY_START:
-                writer.writeInt(get(0));
-                writer.writeInt(get(1));
-                writer.writeInt(get(2));
-                break;
-            case TYPEOF:
-                if (params.length > 0) writer.writeUTF(get(0));
-                break;
-            default:
-        }
-    }
-
-    private Instruction(Type type, Object ...params) {
-        this.type = type;
-        this.params = params;
-    }
-
-    public static Instruction read(DataInputStream stream) throws IOException {
-        var rawType = stream.readUnsignedByte();
-        var type = Type.fromNumeric(rawType & 127);
-        var flag = (rawType & 128) != 0;
-
-        switch (type) {
-            case CALL: return call(stream.readInt());
-            case CALL_NEW: return callNew(stream.readInt());
-            case DEF_PROP: return defProp();
-            case DELETE: return delete();
-            case DISCARD: return discard();
-            case DUP: return dup(stream.readInt());
-            case JMP: return jmp(stream.readInt());
-            case JMP_IF: return jmpIf(stream.readInt());
-            case JMP_IFN: return jmpIfNot(stream.readInt());
-            case KEYS: return keys(flag);
-            case LOAD_ARR: return loadArr(stream.readInt());
-            case LOAD_FUNC: {
-                var captures = new int[stream.readInt()];
-
-                for (var i = 0; i < captures.length; i++) {
-                    captures[i] = stream.readInt();
-                }
-
-                return loadFunc(stream.readInt(), captures);
-            }
-            case LOAD_GLOB: return loadGlob();
-            case LOAD_MEMBER: return loadMember();
-            case LOAD_OBJ: return loadObj();
-            case LOAD_REGEX: return loadRegex(stream.readUTF(), null);
-            case LOAD_VAR: return loadVar(stream.readInt());
-            case MAKE_VAR: return makeVar(stream.readUTF());
-            case OPERATION: return operation(Operation.fromNumeric(stream.readUnsignedByte()));
-            case PUSH_NULL: return pushNull();
-            case PUSH_UNDEFINED: return pushUndefined();
-            case PUSH_BOOL: return pushValue(flag);
-            case PUSH_NUMBER: return pushValue(stream.readDouble());
-            case PUSH_STRING: return pushValue(stream.readUTF());
-            case RETURN: return ret();
-            case STORE_MEMBER: return storeMember(flag);
-            case STORE_SELF_FUNC: return storeSelfFunc(stream.readInt());
-            case STORE_VAR: return storeVar(stream.readInt(), flag);
-            case THROW: return throwInstr();
-            case THROW_SYNTAX: return throwSyntax(stream.readUTF());
-            case TRY_END: return tryEnd();
-            case TRY_START: return tryStart(stream.readInt(), stream.readInt(), stream.readInt());
-            case TYPEOF: return flag ? typeof(stream.readUTF()) : typeof();
-            case NOP:
-                if (flag) return null;
-                else return nop();
-            default: return null;
-        }
-    }
-
-    public static Instruction tryStart(int catchStart, int finallyStart, int end) {
-        return new Instruction(Type.TRY_START, catchStart, finallyStart, end);
-    }
-    public static Instruction tryEnd() {
-        return new Instruction(Type.TRY_END);
-    }
-    public static Instruction throwInstr() {
-        return new Instruction(Type.THROW);
-    }
-    public static Instruction throwSyntax(SyntaxException err) {
-        return new Instruction(Type.THROW_SYNTAX, err.getMessage());
-    }
-    public static Instruction throwSyntax(String err) {
-        return new Instruction(Type.THROW_SYNTAX, err);
-    }
-    public static Instruction delete() {
-        return new Instruction(Type.DELETE);
-    }
-    public static Instruction ret() {
-        return new Instruction(Type.RETURN);
-    }
-    public static Instruction debug() {
-        return new Instruction(Type.NOP, "debug");
-    }
-
-    public static Instruction nop(Object ...params) {
-        return new Instruction(Type.NOP, params);
-    }
-
-    public static Instruction call(int argn) {
-        return new Instruction(Type.CALL, argn);
-    }
-    public static Instruction callNew(int argn) {
-        return new Instruction(Type.CALL_NEW, argn);
-    }
-    public static Instruction jmp(int offset) {
-        return new Instruction(Type.JMP, offset);
-    }
-    public static Instruction jmpIf(int offset) {
-        return new Instruction(Type.JMP_IF, offset);
-    }
-    public static Instruction jmpIfNot(int offset) {
-        return new Instruction(Type.JMP_IFN, offset);
-    }
-
-    public static Instruction pushUndefined() {
-        return new Instruction(Type.PUSH_UNDEFINED);
-    }
-    public static Instruction pushNull() {
-        return new Instruction(Type.PUSH_NULL);
-    }
-    public static Instruction pushValue(boolean val) {
-        return new Instruction(Type.PUSH_BOOL, val);
-    }
-    public static Instruction pushValue(double val) {
-        return new Instruction(Type.PUSH_NUMBER, val);
-    }
-    public static Instruction pushValue(String val) {
-        return new Instruction(Type.PUSH_STRING, val);
-    }
-
-    public static Instruction makeVar(String name) {
-        return new Instruction(Type.MAKE_VAR, name);
-    }
-    public static Instruction loadVar(Object i) {
-        return new Instruction(Type.LOAD_VAR, i);
-    }
-    public static Instruction loadGlob() {
-        return new Instruction(Type.LOAD_GLOB);
-    }
-    public static Instruction loadMember() {
-        return new Instruction(Type.LOAD_MEMBER);
-    }
-
-    public static Instruction loadRegex(String pattern, String flags) {
-        return new Instruction(Type.LOAD_REGEX, pattern, flags);
-    }
-    public static Instruction loadFunc(int id, int[] captures) {
-        var args = new Object[1 + captures.length];
-        args[0] = id;
-        for (var i = 0; i < captures.length; i++) args[i + 1] = captures[i];
-        return new Instruction(Type.LOAD_FUNC, args);
-    }
-    public static Instruction loadObj() {
-        return new Instruction(Type.LOAD_OBJ);
-    }
-    public static Instruction loadArr(int count) {
-        return new Instruction(Type.LOAD_ARR, count);
-    }
-    public static Instruction dup() {
-        return new Instruction(Type.DUP, 1);
-    }
-    public static Instruction dup(int count) {
-        return new Instruction(Type.DUP, count);
-    }
-
-    public static Instruction storeSelfFunc(int i) {
-        return new Instruction(Type.STORE_SELF_FUNC, i);
-    }
-    public static Instruction storeVar(Object i) {
-        return new Instruction(Type.STORE_VAR, i, false);
-    }
-    public static Instruction storeVar(Object i, boolean keep) {
-        return new Instruction(Type.STORE_VAR, i, keep);
-    }
-    public static Instruction storeMember() {
-        return new Instruction(Type.STORE_MEMBER, false);
-    }
-    public static Instruction storeMember(boolean keep) {
-        return new Instruction(Type.STORE_MEMBER, keep);
-    }
-    public static Instruction discard() {
-        return new Instruction(Type.DISCARD);
-    }
-
-    public static Instruction typeof() {
-        return new Instruction(Type.TYPEOF);
-    }
-    public static Instruction typeof(String varName) {
-        return new Instruction(Type.TYPEOF, varName);
-    }
-
-    public static Instruction keys(boolean forInFormat) {
-        return new Instruction(Type.KEYS, forInFormat);
-    }
-
-    public static Instruction defProp() {
-        return new Instruction(Type.DEF_PROP);
-    }
-
-    public static Instruction operation(Operation op) {
-        return new Instruction(Type.OPERATION, op);
-    }
-
-    @Override
-    public String toString() {
-        var res = type.toString();
-
-        for (int i = 0; i < params.length; i++) {
-            res += " " + params[i];
-        }
-
-        return res;
-    }
-}

src/java/me/topchetoeu/jscript/common/Location.java

@@ -1,101 +0,0 @@
-package me.topchetoeu.jscript.common;
-
-import java.util.ArrayList;
-
-public class Location implements Comparable<Location> {
-    public static final Location INTERNAL = new Location(-1, -1, new Filename("jscript", "native"));
-    private int line;
-    private int start;
-    private Filename filename;
-
-    public int line() { return line; }
-    public int start() { return start; }
-    public Filename filename() { return filename; }
-
-    @Override
-    public String toString() {
-        var res = new ArrayList<String>();
-
-        if (filename != null) res.add(filename.toString());
-        if (line >= 0) res.add(line + "");
-        if (start >= 0) res.add(start + "");
-
-        return String.join(":", res);
-    }
-
-    public Location add(int n, boolean clone) {
-        if (clone) return new Location(line, start + n, filename);
-        this.start += n;
-        return this;
-    }
-    public Location add(int n) {
-        return add(n, false);
-    }
-    public Location nextLine() {
-        line++;
-        start = 0;
-        return this;
-    }
-    public Location clone() {
-        return new Location(line, start, filename);
-    }
-
-    @Override
-    public int hashCode() {
-        final int prime = 31;
-        int result = 1;
-        result = prime * result + line;
-        result = prime * result + start;
-        result = prime * result + ((filename == null) ? 0 : filename.hashCode());
-        return result;
-    }
-
-    @Override
-    public boolean equals(Object obj) {
-        if (this == obj) return true;
-        if (obj == null) return false;
-        if (getClass() != obj.getClass()) return false;
-        Location other = (Location) obj;
-        if (line != other.line) return false;
-        if (start != other.start) return false;
-        if (filename == null && other.filename != null) return false;
-        else if (!filename.equals(other.filename)) return false;
-        return true;
-    }
-
-    @Override
-    public int compareTo(Location other) {
-        int a = filename.toString().compareTo(other.filename.toString());
-        int b = Integer.compare(line, other.line);
-        int c = Integer.compare(start, other.start);
-
-        if (a != 0) return a;
-        if (b != 0) return b;
-        return c;
-    }
-
-    public Location(int line, int start, Filename filename) {
-        this.line = line;
-        this.start = start;
-        this.filename = filename;
-    }
-
-    public static Location parse(String raw) {
-        int i0 = -1, i1 = -1;
-        for (var i = raw.length() - 1; i >= 0; i--) {
-            if (raw.charAt(i) == ':') {
-                if (i1 == -1) i1 = i;
-                else if (i0 == -1) {
-                    i0 = i;
-                    break;
-                }
-            }
-        }
-
-        return new Location(
-            Integer.parseInt(raw.substring(i0 + 1, i1)),
-            Integer.parseInt(raw.substring(i1 + 1)),
-            Filename.parse(raw.substring(0, i0))
-        );
-    }
-}

src/java/me/topchetoeu/jscript/common/Metadata.java

@@ -1,29 +0,0 @@
-package me.topchetoeu.jscript.common;
-
-import me.topchetoeu.jscript.common.json.JSON;
-
-public class Metadata {
-    private static final String VERSION;
-    private static final String AUTHOR;
-    private static final String NAME;
-
-    static {
-        var data = JSON.parse(null, Reading.resourceToString("metadata.json")).map();
-        VERSION = data.string("version");
-        AUTHOR = data.string("author");
-        NAME = data.string("name");
-    }
-
-    public static String version() {
-        if (VERSION.equals("$" + "{VERSION}")) return "1337-devel";
-        else return VERSION;
-    }
-    public static String author() {
-        if (AUTHOR.equals("$" + "{AUTHOR}")) return "anonymous";
-        else return AUTHOR;
-    }
-    public static String name() {
-        if (NAME.equals("$" + "{NAME}")) return "some-product";
-        else return NAME;
-    }
-}

src/java/me/topchetoeu/jscript/common/Operation.java

@@ -1,54 +0,0 @@
-package me.topchetoeu.jscript.common;
-
-import java.util.HashMap;
-
-public enum Operation {
-    INSTANCEOF(1, 2),
-    IN(2, 2),
-
-    MULTIPLY(3, 2),
-    DIVIDE(4, 2),
-    MODULO(5, 2),
-    ADD(6, 2),
-    SUBTRACT(7, 2),
-
-    USHIFT_RIGHT(8, 2),
-    SHIFT_RIGHT(9, 2),
-    SHIFT_LEFT(10, 2),
-
-    GREATER(11, 2),
-    LESS(12, 2),
-    GREATER_EQUALS(13, 2),
-    LESS_EQUALS(14, 2),
-    LOOSE_EQUALS(15, 2),
-    LOOSE_NOT_EQUALS(16, 2),
-    EQUALS(17, 2),
-    NOT_EQUALS(18, 2),
-
-    AND(19, 2),
-    OR(20, 2),
-    XOR(21, 2),
-
-    NEG(23, 1),
-    POS(24, 1),
-    NOT(25, 1),
-    INVERSE(26, 1);
-
-    private static final HashMap<Integer, Operation> operations = new HashMap<>();
-
-    static {
-        for (var val : Operation.values()) operations.put(val.numeric, val);
-    }
-
-    public final int numeric;
-    public final int operands;
-
-    private Operation(int numeric, int n) {
-        this.numeric = numeric;
-        this.operands = n;
-    }
-
-    public static Operation fromNumeric(int i) {
-        return operations.get(i);
-    }
-}

src/java/me/topchetoeu/jscript/common/Reading.java

@@ -1,28 +0,0 @@
-package me.topchetoeu.jscript.common;
-
-import java.io.BufferedReader;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.io.UncheckedIOException;
-
-public class Reading {
-    private static final BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
-
-    public static synchronized String readline() throws IOException {
-        return reader.readLine();
-    }
-
-    public static String streamToString(InputStream in) {
-        try {
-            return new String(in.readAllBytes());
-        }
-        catch (IOException e) { throw new UncheckedIOException(e); }
-    }
-    public static InputStream resourceToStream(String name) {
-        return Reading.class.getResourceAsStream("/" + name);
-    }
-    public static String resourceToString(String name) {
-        return streamToString(resourceToStream(name));
-    }
-}

src/java/me/topchetoeu/jscript/common/RefTracker.java

@@ -1,23 +0,0 @@
-package me.topchetoeu.jscript.common;
-
-import java.lang.ref.ReferenceQueue;
-import java.lang.ref.WeakReference;
-
-public class RefTracker {
-    public static void onDestroy(Object obj, Runnable runnable) {
-        var queue = new ReferenceQueue<>();
-        var ref = new WeakReference<>(obj, queue);
-        obj = null;
-
-        var th = new Thread(() -> {
-            try {
-                queue.remove();
-                ref.get();
-                runnable.run();
-            }
-            catch (InterruptedException e) { return; }
-        });
-        th.setDaemon(true);
-        th.start();
-    }
-}

src/java/me/topchetoeu/jscript/common/ResultRunnable.java

@@ -1,5 +0,0 @@
-package me.topchetoeu.jscript.common;
-
-public interface ResultRunnable<T> {
-    T run();
-}

src/java/me/topchetoeu/jscript/common/ScopeRecord.java

@@ -1,9 +0,0 @@
-package me.topchetoeu.jscript.common;
-
-import me.topchetoeu.jscript.core.scope.LocalScopeRecord;
-
-public interface ScopeRecord {
-    public Object getKey(String name);
-    public Object define(String name);
-    public LocalScopeRecord child();
-}

src/java/me/topchetoeu/jscript/common/events/DataNotifier.java

@@ -1,31 +0,0 @@
-package me.topchetoeu.jscript.common.events;
-
-public class DataNotifier<T> {
-    private Notifier notifier = new Notifier();
-    private boolean isErr;
-    private T val;
-    private RuntimeException err;
-
-    public void error(RuntimeException t) {
-        err = t;
-        isErr = true;
-        notifier.next();
-    }
-    public void next(T val) {
-        this.val = val;
-        isErr = false;
-        notifier.next();
-    }
-    public T await() {
-        notifier.await();
-
-        try {
-            if (isErr) throw err;
-            else return val;
-        }
-        finally {
-            this.err = null;
-            this.val = null;
-        }
-    }
-}

src/java/me/topchetoeu/jscript/common/events/Notifier.java

@@ -1,19 +0,0 @@
-package me.topchetoeu.jscript.common.events;
-
-import me.topchetoeu.jscript.core.exceptions.InterruptException;
-
-public class Notifier {
-    private boolean ok = false;
-
-    public synchronized void next() {
-        ok = true;
-        notifyAll();
-    }
-    public synchronized void await() {
-        try {
-            while (!ok) wait();
-            ok = false;
-        }
-        catch (InterruptedException e) { throw new InterruptException(e); }
-    }
-}

src/java/me/topchetoeu/jscript/common/json/JSON.java

@@ -1,243 +0,0 @@
-package me.topchetoeu.jscript.common.json;
-
-import java.util.HashSet;
-import java.util.List;
-import java.util.stream.Collectors;
-
-import me.topchetoeu.jscript.common.Filename;
-import me.topchetoeu.jscript.compilation.parsing.Operator;
-import me.topchetoeu.jscript.compilation.parsing.ParseRes;
-import me.topchetoeu.jscript.compilation.parsing.Parsing;
-import me.topchetoeu.jscript.compilation.parsing.Token;
-import me.topchetoeu.jscript.core.Context;
-import me.topchetoeu.jscript.core.values.ArrayValue;
-import me.topchetoeu.jscript.core.values.ObjectValue;
-import me.topchetoeu.jscript.core.values.Values;
-import me.topchetoeu.jscript.core.exceptions.EngineException;
-import me.topchetoeu.jscript.core.exceptions.SyntaxException;
-
-public class JSON {
-    public static Object toJs(JSONElement val) {
-        if (val.isBoolean()) return val.bool();
-        if (val.isString()) return val.string();
-        if (val.isNumber()) return val.number();
-        if (val.isList()) return ArrayValue.of(null, val.list().stream().map(JSON::toJs).collect(Collectors.toList()));
-        if (val.isMap()) {
-            var res = new ObjectValue();
-            for (var el : val.map().entrySet()) {
-                res.defineProperty(null, el.getKey(), toJs(el.getValue()));
-            }
-            return res;
-        }
-        if (val.isNull()) return Values.NULL;
-        return null;
-    }
-    private static JSONElement fromJs(Context ctx, Object val, HashSet<Object> prev) {
-        if (val instanceof Boolean) return JSONElement.bool((boolean)val);
-        if (val instanceof Number) return JSONElement.number(((Number)val).doubleValue());
-        if (val instanceof String) return JSONElement.string((String)val);
-        if (val == Values.NULL) return JSONElement.NULL;
-        if (val instanceof ArrayValue) {
-            if (prev.contains(val)) throw new EngineException("Circular dependency in JSON.");
-            prev.add(val);
-
-            var res = new JSONList();
-
-            for (var el : ((ArrayValue)val).toArray()) {
-                var jsonEl = fromJs(ctx, el, prev);
-                if (jsonEl == null) jsonEl = JSONElement.NULL;
-                res.add(jsonEl);
-            }
-
-            prev.remove(val);
-            return JSONElement.of(res);
-        }
-        if (val instanceof ObjectValue) {
-            if (prev.contains(val)) throw new EngineException("Circular dependency in JSON.");
-            prev.add(val);
-
-            var res = new JSONMap();
-
-            for (var el : Values.getMembers(ctx, val, false, false)) {
-                var jsonEl = fromJs(ctx, Values.getMember(ctx, val, el), prev);
-                if (jsonEl == null) continue;
-                if (el instanceof String || el instanceof Number) res.put(el.toString(), jsonEl);
-            }
-
-            prev.remove(val);
-            return JSONElement.of(res);
-        }
-        if (val == null) return null;
-        return null;
-    }
-    public static JSONElement fromJs(Context ctx, Object val) {
-        return fromJs(ctx, val, new HashSet<>());
-    }
-
-    public static ParseRes<String> parseIdentifier(List<Token> tokens, int i) {
-        return Parsing.parseIdentifier(tokens, i);
-    }
-    public static ParseRes<String> parseString(Filename filename, List<Token> tokens, int i) {
-        var res = Parsing.parseString(filename, tokens, i);
-        if (res.isSuccess()) return ParseRes.res((String)res.result.value, res.n);
-        else return res.transform();
-    }
-    public static ParseRes<Double> parseNumber(Filename filename, List<Token> tokens, int i) {
-        var minus = Parsing.isOperator(tokens, i, Operator.SUBTRACT);
-        if (minus) i++;
-
-        var res = Parsing.parseNumber(filename, tokens, i);
-        if (res.isSuccess()) return ParseRes.res((minus ? -1 : 1) * (Double)res.result.value, res.n + (minus ? 1 : 0));
-        else return res.transform();
-    }
-    public static ParseRes<Boolean> parseBool(Filename filename, List<Token> tokens, int i) {
-        var id = parseIdentifier(tokens, i);
-
-        if (!id.isSuccess()) return ParseRes.failed();
-        else if (id.result.equals("true")) return ParseRes.res(true, 1);
-        else if (id.result.equals("false")) return ParseRes.res(false, 1);
-        else return ParseRes.failed();
-    }
-
-    public static ParseRes<?> parseValue(Filename filename, List<Token> tokens, int i) {
-        return ParseRes.any(
-            parseString(filename, tokens, i),
-            parseNumber(filename, tokens, i),
-            parseBool(filename, tokens, i),
-            parseMap(filename, tokens, i),
-            parseList(filename, tokens, i)
-        );
-    }
-
-    public static ParseRes<JSONMap> parseMap(Filename filename, List<Token> tokens, int i) {
-        int n = 0;
-        if (!Parsing.isOperator(tokens, i + n++, Operator.BRACE_OPEN)) return ParseRes.failed();
-
-        var values = new JSONMap();
-
-        while (true) {
-            if (Parsing.isOperator(tokens, i + n, Operator.BRACE_CLOSE)) {
-                n++;
-                break;
-            }
-
-            var name = ParseRes.any(
-                parseIdentifier(tokens, i + n),
-                parseString(filename, tokens, i + n),
-                parseNumber(filename, tokens, i + n)
-            );
-            if (!name.isSuccess()) return ParseRes.error(Parsing.getLoc(filename, tokens, i + n), "Expected an index.", name);
-            else n += name.n;
-
-            if (!Parsing.isOperator(tokens, i + n, Operator.COLON)) {
-                return ParseRes.error(Parsing.getLoc(filename, tokens, i + n), "Expected a colon.", name);
-            }
-            n++;
-
-            var res = parseValue(filename, tokens, i + n);
-            if (!res.isSuccess()) return ParseRes.error(Parsing.getLoc(filename, tokens, i + n), "Expected a list element.", res);
-            else n += res.n;
-
-            values.put(name.result.toString(), JSONElement.of(res.result));
-
-            if (Parsing.isOperator(tokens, i + n, Operator.COMMA)) n++;
-            else if (Parsing.isOperator(tokens, i + n, Operator.BRACE_CLOSE)) {
-                n++;
-                break;
-            }
-        }
-
-        return ParseRes.res(values, n);
-    }
-    public static ParseRes<JSONList> parseList(Filename filename, List<Token> tokens, int i) {
-        int n = 0;
-        if (!Parsing.isOperator(tokens, i + n++, Operator.BRACKET_OPEN)) return ParseRes.failed();
-
-        var values = new JSONList();
-
-        while (true) {
-            if (Parsing.isOperator(tokens, i + n, Operator.BRACKET_CLOSE)) {
-                n++;
-                break;
-            }
-
-            var res = parseValue(filename, tokens, i + n);
-            if (!res.isSuccess()) return ParseRes.error(Parsing.getLoc(filename, tokens, i + n), "Expected a list element.", res);
-            else n += res.n;
-
-            values.add(JSONElement.of(res.result));
-
-            if (Parsing.isOperator(tokens, i + n, Operator.COMMA)) n++;
-            else if (Parsing.isOperator(tokens, i + n, Operator.BRACKET_CLOSE)) {
-                n++;
-                break;
-            }
-        }
-
-        return ParseRes.res(values, n);
-    }
-    public static JSONElement parse(Filename filename, String raw) {
-        if (filename == null) filename = new Filename("jscript", "json");
-        var res = parseValue(filename, Parsing.tokenize(filename, raw), 0);
-        if (res.isFailed()) throw new SyntaxException(null, "Invalid JSON given.");
-        else if (res.isError()) throw new SyntaxException(null, res.error);
-        else return JSONElement.of(res.result);
-    }
-
-    public static String stringify(JSONElement el) {
-        if (el.isNumber()) return Double.toString(el.number());
-        if (el.isBoolean()) return el.bool() ? "true" : "false";
-        if (el.isNull()) return "null";
-        if (el.isString()) {
-            var res = new StringBuilder("\"");
-            var alphabet = "0123456789ABCDEF".toCharArray();
-
-            for (var c : el.string().toCharArray()) {
-                if (c < 32 || c >= 127) {
-                    res
-                        .append("\\u")
-                        .append(alphabet[(c >> 12) & 0xF])
-                        .append(alphabet[(c >> 8) & 0xF])
-                        .append(alphabet[(c >> 4) & 0xF])
-                        .append(alphabet[(c >> 0) & 0xF]);
-                }
-                else if (c == '\\')
-                    res.append("\\\\");
-                else if (c == '"')
-                    res.append("\\\"");
-                else res.append(c);
-            }
-
-            return res.append('"').toString();
-        }
-        if (el.isList()) {
-            var res = new StringBuilder().append("[");
-            for (int i = 0; i < el.list().size(); i++) {
-                if (i != 0) res.append(",");
-                res.append(stringify(el.list().get(i)));
-            }
-            res.append("]");
-            return res.toString();
-        }
-        if (el.isMap()) {
-            var res = new StringBuilder().append("{");
-            var entries = el.map().entrySet().stream().collect(Collectors.toList());
-
-            for (int i = 0; i < entries.size(); i++) {
-                if (i != 0) res.append(",");
-                res.append(stringify(JSONElement.string(entries.get(i).getKey())));
-                res.append(":");
-                res.append(stringify(entries.get(i).getValue()));
-            }
-            res.append("}");
-            return res.toString();
-        }
-        return null;
-    }
-    public static String stringify(JSONMap map) {
-        return stringify(JSONElement.of(map));
-    }
-    public static String stringify(JSONList list) {
-        return stringify(JSONElement.of(list));
-    }
-}

src/java/me/topchetoeu/jscript/common/json/JSONElement.java

@@ -1,88 +0,0 @@
-package me.topchetoeu.jscript.common.json;
-
-public class JSONElement {
-    public static enum Type {
-        STRING,
-        NUMBER,
-        BOOLEAN,
-        NULL,
-        LIST,
-        MAP,
-    }
-
-    public static final JSONElement NULL = new JSONElement(Type.NULL, null);
-
-    public static JSONElement map(JSONMap val) {
-        return new JSONElement(Type.MAP, val);
-    }
-    public static JSONElement list(JSONList val) {
-        return new JSONElement(Type.LIST, val);
-    }
-    public static JSONElement string(String val) {
-        return new JSONElement(Type.STRING, val);
-    }
-    public static JSONElement number(double val) {
-        return new JSONElement(Type.NUMBER, val);
-    }
-    public static JSONElement bool(boolean val) {
-        return new JSONElement(Type.BOOLEAN, val);
-    }
-
-    public static JSONElement of(Object val) {
-        if (val instanceof JSONMap) return map((JSONMap)val);
-        else if (val instanceof JSONList) return list((JSONList)val);
-        else if (val instanceof String) return string((String)val);
-        else if (val instanceof Boolean) return bool((Boolean)val);
-        else if (val instanceof Number) return number(((Number)val).doubleValue());
-        else if (val == null) return NULL;
-        else throw new IllegalArgumentException("val must be: String, Boolean, Number, JSONList or JSONMap.");
-    }
-
-    public final Type type;
-    private final Object value;
-
-    public boolean isMap() { return type == Type.MAP; }
-    public boolean isList() { return type == Type.LIST; }
-    public boolean isString() { return type == Type.STRING; }
-    public boolean isNumber() { return type == Type.NUMBER; }
-    public boolean isBoolean() { return type == Type.BOOLEAN; }
-    public boolean isNull() { return type == Type.NULL; }
-
-    public JSONMap map() {
-        if (!isMap()) throw new IllegalStateException("Element is not a map.");
-        return (JSONMap)value;
-    }
-    public JSONList list() {
-        if (!isList()) throw new IllegalStateException("Element is not a map.");
-        return (JSONList)value;
-    }
-    public String string() {
-        if (!isString()) throw new IllegalStateException("Element is not a string.");
-        return (String)value;
-    }
-    public double number() {
-        if (!isNumber()) throw new IllegalStateException("Element is not a number.");
-        return (double)value;
-    }
-    public boolean bool() {
-        if (!isBoolean()) throw new IllegalStateException("Element is not a boolean.");
-        return (boolean)value;
-    }
-
-    @Override
-    public String toString() {
-        if (isMap()) return "{...}";
-        if (isList()) return "[...]";
-        if (isString()) return (String)value;
-        if (isString()) return (String)value;
-        if (isNumber()) return (double)value + "";
-        if (isBoolean()) return (boolean)value + "";
-        if (isNull()) return "null";
-        return "";
-    }
-
-    private JSONElement(Type type, Object val) {
-        this.type = type;
-        this.value = val;
-    }
-}

src/java/me/topchetoeu/jscript/common/json/JSONList.java

@@ -1,26 +0,0 @@
-package me.topchetoeu.jscript.common.json;
-
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.List;
-import java.util.Map;
-
-public class JSONList extends ArrayList<JSONElement> {
-    public JSONList() {}
-    public JSONList(JSONElement ...els) {
-        super(List.of(els));
-    }
-    public JSONList(Collection<JSONElement> els) {
-        super(els);
-    }
-
-    public JSONList addNull() { this.add(JSONElement.NULL); return this; }
-    public JSONList add(String val) { this.add(JSONElement.of(val)); return this; }
-    public JSONList add(double val) { this.add(JSONElement.of(val)); return this; }
-    public JSONList add(boolean val) { this.add(JSONElement.of(val)); return this; }
-    public JSONList add(Map<String, JSONElement> val) { this.add(JSONElement.of(val)); return this; }
-    public JSONList add(Collection<JSONElement> val) { this.add(JSONElement.of(val)); return this; }
-    public JSONList add(JSONMap val) { this.add(JSONElement.of(val)); return this; }
-    public JSONList add(JSONList val) { this.add(JSONElement.of(val)); return this; }
-
-}

src/java/me/topchetoeu/jscript/common/json/JSONMap.java

@@ -1,150 +0,0 @@
-package me.topchetoeu.jscript.common.json;
-
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.Set;
-
-public class JSONMap implements Map<String, JSONElement> {
-    private Map<String, JSONElement> elements = new HashMap<>();
-
-    public JSONElement get(String path) {
-        var curr = this;
-        var segs = path.split("\\.");
-        var i = 0;
-
-        while (true) {
-            var tmp = curr.elements.get(segs[i++]);
-            if (i == segs.length) return tmp;
-            if (!tmp.isMap()) return null;
-            curr = tmp.map();
-        }
-    }
-
-    public boolean isMap(String path) {
-        var el = get(path);
-        return el != null && el.isMap();
-    }
-    public boolean isList(String path) {
-        var el = get(path);
-        return el != null && el.isList();
-    }
-    public boolean isString(String path) {
-        var el = get(path);
-        return el != null && el.isString();
-    }
-    public boolean isNumber(String path) {
-        var el = get(path);
-        return el != null && el.isNumber();
-    }
-    public boolean isBoolean(String path) {
-        var el = get(path);
-        return el != null && el.isBoolean();
-    }
-    public boolean isNull(String path) {
-        var el = get(path);
-        return el != null && el.isNull();
-    }
-    public boolean contains(String path) {
-        return get(path) != null;
-    }
-
-    public JSONMap map(String path) {
-        var el = get(path);
-        if (el == null) throw new RuntimeException(String.format("'%s' doesn't exist.", path));
-        return el.map();
-    }
-    public JSONMap map(String path, JSONMap defaultVal) {
-        var el = get(path);
-        if (el == null) return defaultVal;
-        if (el.isMap()) return el.map();
-        return defaultVal;
-    }
-
-    public JSONList list(String path) {
-        var el = get(path);
-        if (el == null) throw new RuntimeException(String.format("'%s' doesn't exist.", path));
-        return el.list();
-    }
-    public JSONList list(String path, JSONList defaultVal) {
-        var el = get(path);
-        if (el == null) return defaultVal;
-        if (el.isList()) return el.list();
-        return defaultVal;
-    }
-
-    public String string(String path) {
-        var el = get(path);
-        if (el == null) throw new RuntimeException(String.format("'%s' doesn't exist.", path));
-        return el.string();
-    }
-    public String string(String path, String defaultVal) {
-        var el = get(path);
-        if (el == null) return defaultVal;
-        if (el.isString()) return el.string();
-        return defaultVal;
-    }
-
-    public double number(String path) {
-        var el = get(path);
-        if (el == null) throw new RuntimeException(String.format("'%s' doesn't exist.", path));
-        return el.number();
-    }
-    public double number(String path, double defaultVal) {
-        var el = get(path);
-        if (el == null) return defaultVal;
-        if (el.isNumber()) return el.number();
-        return defaultVal;
-    }
-
-    public boolean bool(String path) {
-        var el = get(path);
-        if (el == null) throw new RuntimeException(String.format("'%s' doesn't exist.", path));
-        return el.bool();
-    }
-    public boolean bool(String path, boolean defaultVal) {
-        var el = get(path);
-        if (el == null) return defaultVal;
-        if (el.isBoolean()) return el.bool();
-        return defaultVal;
-    }
-
-    public JSONMap setNull(String key) { elements.put(key, JSONElement.NULL); return this; }
-    public JSONMap set(String key, String val) { elements.put(key, JSONElement.of(val)); return this; }
-    public JSONMap set(String key, double val) { elements.put(key, JSONElement.of(val)); return this; }
-    public JSONMap set(String key, boolean val) { elements.put(key, JSONElement.of(val)); return this; }
-    public JSONMap set(String key, Map<String, JSONElement> val) { elements.put(key, JSONElement.of(val)); return this; }
-    public JSONMap set(String key, Collection<JSONElement> val) { elements.put(key, JSONElement.of(val)); return this; }
-
-    @Override
-    public int size() { return elements.size(); }
-    @Override
-    public boolean isEmpty() { return elements.isEmpty(); }
-    @Override
-    public boolean containsKey(Object key) { return elements.containsKey(key); }
-    @Override
-    public boolean containsValue(Object value) { return elements.containsValue(value); }
-    @Override
-    public JSONElement get(Object key) { return elements.get(key); }
-    @Override
-    public JSONElement put(String key, JSONElement value) { return elements.put(key, value); }
-    @Override
-    public JSONElement remove(Object key) { return elements.remove(key); }
-    @Override
-    public void putAll(Map<? extends String, ? extends JSONElement> m) { elements.putAll(m); }
-
-    @Override
-    public void clear() { elements.clear(); }
-
-    @Override
-    public Set<String> keySet() { return elements.keySet(); }
-    @Override
-    public Collection<JSONElement> values() { return elements.values(); }
-    @Override
-    public Set<Entry<String, JSONElement>> entrySet() { return elements.entrySet(); }
-
-    public JSONMap() { }
-    public JSONMap(Map<String, JSONElement> els) {
-        this.elements = new HashMap<>(els);
-    }
-}

src/java/me/topchetoeu/jscript/common/mapping/ConvertType.java

@@ -1,8 +0,0 @@
-package me.topchetoeu.jscript.common.mapping;
-
-public enum ConvertType {
-    Exact,
-    Lower,
-    Upper,
-    Both,
-}

src/java/me/topchetoeu/jscript/common/mapping/FunctionMap.java

@@ -1,190 +0,0 @@
-package me.topchetoeu.jscript.common.mapping;
-
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.NavigableSet;
-import java.util.Objects;
-import java.util.TreeMap;
-import java.util.TreeSet;
-import java.util.regex.Pattern;
-import java.util.stream.Collectors;
-
-import me.topchetoeu.jscript.common.Filename;
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.common.Instruction.BreakpointType;
-import me.topchetoeu.jscript.core.scope.LocalScopeRecord;
-import me.topchetoeu.jscript.utils.mapping.SourceMap;
-
-public class FunctionMap {
-    public static class FunctionMapBuilder {
-        private final TreeMap<Integer, Location> sourceMap = new TreeMap<>();
-        private final HashMap<Location, BreakpointType> breakpoints = new HashMap<>();
-
-        public Location toLocation(int pc) {
-            return sourceMap.headMap(pc, true).firstEntry().getValue();
-        }
-
-        public FunctionMapBuilder setDebug(Location loc, BreakpointType type) {
-            if (loc == null || type == null || type == BreakpointType.NONE) return this;
-            breakpoints.put(loc, type);
-            return this;
-        }
-        public FunctionMapBuilder setLocation(int i, Location loc) {
-            if (loc == null || i < 0) return this;
-            sourceMap.put(i, loc);
-            return this;
-        }
-        public FunctionMapBuilder setLocationAndDebug(int i, Location loc, BreakpointType type) {
-            setDebug(loc, type);
-            setLocation(i, loc);
-            return this;
-        }
-
-        public Location first() {
-            if (sourceMap.size() == 0) return null;
-            return sourceMap.firstEntry().getValue();
-        }
-        public Location last() {
-            if (sourceMap.size() == 0) return null;
-            return sourceMap.lastEntry().getValue();
-        }
-
-        public FunctionMap build(String[] localNames, String[] captureNames) {
-            return new FunctionMap(sourceMap, breakpoints, localNames, captureNames);
-        }
-        public FunctionMap build(LocalScopeRecord scope) {
-            return new FunctionMap(sourceMap, breakpoints, scope.locals(), scope.captures());
-        }
-        public FunctionMap build() {
-            return new FunctionMap(sourceMap, breakpoints, new String[0], new String[0]);
-        }
-
-        private FunctionMapBuilder() { }
-    }
-
-    public static final FunctionMap EMPTY = new FunctionMap();
-
-    private final HashMap<Integer, BreakpointType> bps = new HashMap<>();
-    private final HashMap<Filename, TreeSet<Location>> bpLocs = new HashMap<>();
-
-    private final TreeMap<Integer, Location> pcToLoc = new TreeMap<>();
-
-    public final String[] localNames, captureNames;
-
-    public Location toLocation(int pc, boolean approxiamte) {
-        if (pcToLoc.size() == 0 || pc < 0 || pc > pcToLoc.lastKey()) return null;
-        var res = pcToLoc.get(pc);
-        if (!approxiamte || res != null) return res;
-        var entry = pcToLoc.headMap(pc, true).lastEntry();
-        if (entry == null) return null;
-        else return entry.getValue();
-    }
-    public Location toLocation(int pc) {
-        return toLocation(pc, false);
-    }
-
-    public BreakpointType getBreakpoint(int pc) {
-        return bps.getOrDefault(pc, BreakpointType.NONE);
-    }
-    public Location correctBreakpoint(Location loc) {
-        var set = bpLocs.get(loc.filename());
-        if (set == null) return null;
-        else return set.ceiling(loc);
-    }
-    public List<Location> correctBreakpoint(Pattern filename, int line, int column) {
-        var candidates = new HashMap<Filename, TreeSet<Location>>();
-
-        for (var name : bpLocs.keySet()) {
-            if (filename.matcher(name.toString()).matches()) {
-                candidates.put(name, bpLocs.get(name));
-            }
-        }
-
-        var res = new ArrayList<Location>(candidates.size());
-        for (var candidate : candidates.entrySet()) {
-            res.add(candidate.getValue().ceiling(new Location(line, column, candidate.getKey())));
-        }
-
-        return res;
-    }
-    public List<Location> breakpoints(Location start, Location end) {
-        if (!Objects.equals(start.filename(), end.filename())) return List.of();
-        NavigableSet<Location> set = bpLocs.get(start.filename());
-        if (set == null) return List.of();
-
-        if (start != null) set = set.tailSet(start, true);
-        if (end != null) set = set.headSet(end, true);
-
-        return set.stream().collect(Collectors.toList());
-    }
-
-    public Location start() {
-        if (pcToLoc.size() == 0) return null;
-        return pcToLoc.firstEntry().getValue();
-    }
-    public Location end() {
-        if (pcToLoc.size() == 0) return null;
-        return pcToLoc.lastEntry().getValue();
-    }
-
-    public FunctionMap apply(SourceMap map) {
-        var res = new FunctionMap(Map.of(), Map.of(), localNames, captureNames);
-
-        for (var el : pcToLoc.entrySet()) {
-            res.pcToLoc.put(el.getKey(), map.toCompiled(el.getValue()));
-        }
-
-        res.bps.putAll(bps);
-
-        for (var el : bpLocs.entrySet()) {
-            for (var loc : el.getValue()) {
-                loc = map.toCompiled(loc);
-                if (loc == null) continue;
-
-                if (!res.bpLocs.containsKey(loc.filename())) res.bpLocs.put(loc.filename(), new TreeSet<>());
-                res.bpLocs.get(loc.filename()).add(loc);
-            }
-        }
-
-        return res;
-    }
-
-    public FunctionMap clone() {
-        var res = new FunctionMap(Map.of(), Map.of(), localNames, captureNames);
-        res.pcToLoc.putAll(this.pcToLoc);
-        res.bps.putAll(bps);
-        res.bpLocs.putAll(bpLocs);
-        res.pcToLoc.putAll(pcToLoc);
-        return res;
-    }
-
-    public FunctionMap(Map<Integer, Location> map, Map<Location, BreakpointType> breakpoints, String[] localNames, String[] captureNames) {
-        var locToPc = new HashMap<Location, Integer>();
-
-        for (var el : map.entrySet()) {
-            pcToLoc.put(el.getKey(), el.getValue());
-            locToPc.putIfAbsent(el.getValue(), el.getKey());
-        }
-
-        for (var el : breakpoints.entrySet()) {
-            if (el.getValue() == null || el.getValue() == BreakpointType.NONE) continue;
-            bps.put(locToPc.get(el.getKey()), el.getValue());
-
-            if (!bpLocs.containsKey(el.getKey().filename())) bpLocs.put(el.getKey().filename(), new TreeSet<>());
-            bpLocs.get(el.getKey().filename()).add(el.getKey());
-        }
-
-        this.localNames = localNames;
-        this.captureNames = captureNames;
-    }
-    private FunctionMap() {
-        localNames = new String[0];
-        captureNames = new String[0];
-    }
-
-    public static FunctionMapBuilder builder() {
-        return new FunctionMapBuilder();
-    }
-}

src/java/me/topchetoeu/jscript/compilation/AssignableStatement.java

@@ -1,12 +0,0 @@
-package me.topchetoeu.jscript.compilation;
-
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.common.Operation;
-
-public abstract class AssignableStatement extends Statement {
-    public abstract Statement toAssign(Statement val, Operation operation);
-
-    protected AssignableStatement(Location loc) {
-        super(loc);
-    }
-}

src/java/me/topchetoeu/jscript/compilation/CompileResult.java

@@ -1,78 +0,0 @@
-package me.topchetoeu.jscript.compilation;
-
-import java.util.List;
-import java.util.LinkedList;
-import java.util.Vector;
-
-import me.topchetoeu.jscript.common.FunctionBody;
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.common.Instruction.BreakpointType;
-import me.topchetoeu.jscript.common.mapping.FunctionMap;
-import me.topchetoeu.jscript.common.mapping.FunctionMap.FunctionMapBuilder;
-import me.topchetoeu.jscript.core.scope.LocalScopeRecord;
-
-public class CompileResult {
-    public final Vector<Instruction> instructions = new Vector<>();
-    public final List<CompileResult> children = new LinkedList<>();
-    public final FunctionMapBuilder map = FunctionMap.builder();
-    public final LocalScopeRecord scope;
-    public int length = 0;
-
-    public int temp() {
-        instructions.add(null);
-        return instructions.size() - 1;
-    }
-
-    public CompileResult add(Instruction instr) {
-        instructions.add(instr);
-        return this;
-    }
-    public CompileResult set(int i, Instruction instr) {
-        instructions.set(i, instr);
-        return this;
-    }
-    public Instruction get(int i) {
-        return instructions.get(i);
-    }
-    public int size() { return instructions.size(); }
-
-    public void setDebug(Location loc, BreakpointType type) {
-        map.setDebug(loc, type);
-    }
-    public void setLocation(int i, Location loc) {
-        map.setLocation(i, loc);
-    }
-    public void setLocationAndDebug(int i, Location loc, BreakpointType type) {
-        map.setLocationAndDebug(i, loc, type);
-    }
-    public void setDebug(BreakpointType type) {
-        setDebug(map.last(), type);
-    }
-    public void setLocation(Location type) {
-        setLocation(instructions.size() - 1, type);
-    }
-    public void setLocationAndDebug(Location loc, BreakpointType type) {
-        setLocationAndDebug(instructions.size() - 1, loc, type);
-    }
-
-    public CompileResult addChild(CompileResult child) {
-        this.children.add(child);
-        return child;
-    }
-
-    public FunctionMap map() {
-        return map.build(scope);
-    }
-    public FunctionBody body() {
-        var builtChildren = new FunctionBody[children.size()];
-
-        for (var i = 0; i < children.size(); i++) builtChildren[i] = children.get(i).body();
-
-        return new FunctionBody(scope.localsCount(), length, instructions.toArray(Instruction[]::new), builtChildren);
-    }
-
-    public CompileResult(LocalScopeRecord scope) {
-        this.scope = scope;
-    }
-}

src/java/me/topchetoeu/jscript/compilation/CompoundStatement.java

@@ -1,64 +0,0 @@
-package me.topchetoeu.jscript.compilation;
-
-import java.util.List;
-import java.util.Vector;
-
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.common.Instruction.BreakpointType;
-import me.topchetoeu.jscript.compilation.values.FunctionStatement;
-
-public class CompoundStatement extends Statement {
-    public final Statement[] statements;
-    public final boolean separateFuncs;
-    public Location end;
-
-    @Override public boolean pure() {
-        for (var stm : statements) {
-            if (!stm.pure()) return false;
-        }
-
-        return true;
-    }
-
-    @Override
-    public void declare(CompileResult target) {
-        for (var stm : statements) stm.declare(target);
-    }
-
-    @Override
-    public void compile(CompileResult target, boolean pollute, BreakpointType type) {
-        List<Statement> statements = new Vector<Statement>();
-        if (separateFuncs) for (var stm : this.statements) {
-            if (stm instanceof FunctionStatement && ((FunctionStatement)stm).statement) {
-                stm.compile(target, false);
-            }
-            else statements.add(stm);
-        }
-        else statements = List.of(this.statements);
-
-        var polluted = false;
-
-        for (var i = 0; i < statements.size(); i++) {
-            var stm = statements.get(i);
-
-            if (i != statements.size() - 1) stm.compile(target, false, BreakpointType.STEP_OVER);
-            else stm.compile(target, polluted = pollute, BreakpointType.STEP_OVER);
-        }
-
-        if (!polluted && pollute) {
-            target.add(Instruction.pushUndefined());
-        }
-    }
-
-    public CompoundStatement setEnd(Location loc) {
-        this.end = loc;
-        return this;
-    }
-
-    public CompoundStatement(Location loc, boolean separateFuncs, Statement ...statements) {
-        super(loc);
-        this.separateFuncs = separateFuncs;
-        this.statements = statements;
-    }
-}

src/java/me/topchetoeu/jscript/compilation/Statement.java

@@ -1,27 +0,0 @@
-package me.topchetoeu.jscript.compilation;
-
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.common.Instruction.BreakpointType;
-
-public abstract class Statement {
-    private Location _loc;
-
-    public boolean pure() { return false; }
-    public void declare(CompileResult target) { }
-
-    public void compile(CompileResult target, boolean pollute, BreakpointType type) {
-        int start = target.size();
-        compile(target, pollute);
-        if (target.size() != start) target.setLocationAndDebug(start, loc(), type);
-    }
-    public void compile(CompileResult target, boolean pollute) {
-        compile(target, pollute, BreakpointType.NONE);
-    }
-
-    public Location loc() { return _loc; }
-    public void setLoc(Location loc) { _loc = loc; }
-
-    protected Statement(Location loc) {
-        this._loc = loc;
-    }
-}

src/java/me/topchetoeu/jscript/compilation/ThrowSyntaxStatement.java

@@ -1,18 +0,0 @@
-package me.topchetoeu.jscript.compilation;
-
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.core.exceptions.SyntaxException;
-
-public class ThrowSyntaxStatement extends Statement {
-    public final String name;
-
-    @Override
-    public void compile(CompileResult target, boolean pollute) {
-        target.add(Instruction.throwSyntax(name));
-    }
-
-    public ThrowSyntaxStatement(SyntaxException e) {
-        super(e.loc);
-        this.name = e.msg;
-    }
-}

src/java/me/topchetoeu/jscript/compilation/VariableDeclareStatement.java

@@ -1,52 +0,0 @@
-package me.topchetoeu.jscript.compilation;
-
-import java.util.List;
-
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.common.Instruction.BreakpointType;
-import me.topchetoeu.jscript.compilation.values.FunctionStatement;
-
-public class VariableDeclareStatement extends Statement {
-    public static class Pair {
-        public final String name;
-        public final Statement value;
-        public final Location location;
-
-        public Pair(String name, Statement value, Location location) {
-            this.name = name;
-            this.value = value;
-            this.location = location;
-        }
-    }
-
-    public final List<Pair> values;
-
-    @Override
-    public void declare(CompileResult target) {
-        for (var key : values) {
-            target.scope.define(key.name);
-        }
-    }
-    @Override
-    public void compile(CompileResult target, boolean pollute) {
-        for (var entry : values) {
-            if (entry.name == null) continue;
-            var key = target.scope.getKey(entry.name);
-
-            if (key instanceof String) target.add(Instruction.makeVar((String)key));
-
-            if (entry.value != null) {
-                FunctionStatement.compileWithName(entry.value, target, true, entry.name, BreakpointType.STEP_OVER);
-                target.add(Instruction.storeVar(key));
-            }
-        }
-
-        if (pollute) target.add(Instruction.pushUndefined());
-    }
-
-    public VariableDeclareStatement(Location loc, List<Pair> values) {
-        super(loc);
-        this.values = values;
-    }
-}

src/java/me/topchetoeu/jscript/compilation/control/BreakStatement.java

@@ -1,21 +0,0 @@
-package me.topchetoeu.jscript.compilation.control;
-
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.compilation.CompileResult;
-import me.topchetoeu.jscript.compilation.Statement;
-
-public class BreakStatement extends Statement {
-    public final String label;
-
-    @Override
-    public void compile(CompileResult target, boolean pollute) {
-        target.add(Instruction.nop("break", label));
-        if (pollute) target.add(Instruction.pushUndefined());
-    }
-
-    public BreakStatement(Location loc, String label) {
-        super(loc);
-        this.label = label;
-    }
-}

src/java/me/topchetoeu/jscript/compilation/control/ContinueStatement.java

@@ -1,21 +0,0 @@
-package me.topchetoeu.jscript.compilation.control;
-
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.compilation.CompileResult;
-import me.topchetoeu.jscript.compilation.Statement;
-
-public class ContinueStatement extends Statement {
-    public final String label;
-
-    @Override
-    public void compile(CompileResult target, boolean pollute) {
-        target.add(Instruction.nop(loc(), "cont", label));
-        if (pollute) target.add(Instruction.pushUndefined());
-    }
-
-    public ContinueStatement(Location loc, String label) {
-        super(loc);
-        this.label = label;
-    }
-}

src/java/me/topchetoeu/jscript/compilation/control/DebugStatement.java

@@ -1,18 +0,0 @@
-package me.topchetoeu.jscript.compilation.control;
-
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.compilation.CompileResult;
-import me.topchetoeu.jscript.compilation.Statement;
-
-public class DebugStatement extends Statement {
-    @Override
-    public void compile(CompileResult target, boolean pollute) {
-        target.add(Instruction.debug());
-        if (pollute) target.add(Instruction.pushUndefined());
-    }
-
-    public DebugStatement(Location loc) {
-        super(loc);
-    }
-}

src/java/me/topchetoeu/jscript/compilation/control/DeleteStatement.java

@@ -1,26 +0,0 @@
-package me.topchetoeu.jscript.compilation.control;
-
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.compilation.CompileResult;
-import me.topchetoeu.jscript.compilation.Statement;
-
-public class DeleteStatement extends Statement {
-    public final Statement key;
-    public final Statement value;
-
-    @Override
-    public void compile(CompileResult target, boolean pollute) {
-        value.compile(target, true);
-        key.compile(target, true);
-
-        target.add(Instruction.delete());
-        if (pollute) target.add(Instruction.pushValue(true));
-    }
-
-    public DeleteStatement(Location loc, Statement key, Statement value) {
-        super(loc);
-        this.key = key;
-        this.value = value;
-    }
-}

src/java/me/topchetoeu/jscript/compilation/control/DoWhileStatement.java

@@ -1,36 +0,0 @@
-package me.topchetoeu.jscript.compilation.control;
-
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.common.Instruction.BreakpointType;
-import me.topchetoeu.jscript.compilation.CompileResult;
-import me.topchetoeu.jscript.compilation.Statement;
-
-public class DoWhileStatement extends Statement {
-    public final Statement condition, body;
-    public final String label;
-
-    @Override
-    public void declare(CompileResult target) {
-        body.declare(target);
-    }
-
-    @Override
-    public void compile(CompileResult target, boolean pollute) {
-        int start = target.size();
-        body.compile(target, false, BreakpointType.STEP_OVER);
-        int mid = target.size();
-        condition.compile(target, true, BreakpointType.STEP_OVER);
-        int end = target.size();
-
-        WhileStatement.replaceBreaks(target, label, start, mid - 1, mid, end + 1);
-        target.add(Instruction.jmpIf(start - end));
-    }
-
-    public DoWhileStatement(Location loc, String label, Statement condition, Statement body) {
-        super(loc);
-        this.label = label;
-        this.condition = condition;
-        this.body = body;
-    }
-}

src/java/me/topchetoeu/jscript/compilation/control/ForInStatement.java

@@ -1,69 +0,0 @@
-package me.topchetoeu.jscript.compilation.control;
-
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.common.Operation;
-import me.topchetoeu.jscript.common.Instruction.BreakpointType;
-import me.topchetoeu.jscript.compilation.CompileResult;
-import me.topchetoeu.jscript.compilation.Statement;
-
-public class ForInStatement extends Statement {
-    public final String varName;
-    public final boolean isDeclaration;
-    public final Statement varValue, object, body;
-    public final String label;
-    public final Location varLocation;
-
-    @Override
-    public void declare(CompileResult target) {
-        body.declare(target);
-        if (isDeclaration) target.scope.define(varName);
-    }
-
-    @Override
-    public void compile(CompileResult target, boolean pollute) {
-        var key = target.scope.getKey(varName);
-
-        if (key instanceof String) target.add(Instruction.makeVar((String)key));
-
-        if (varValue != null) {
-            varValue.compile(target, true);
-            target.add(Instruction.storeVar(target.scope.getKey(varName)));
-        }
-
-        object.compile(target, true, BreakpointType.STEP_OVER);
-        target.add(Instruction.keys(true));
-
-        int start = target.size();
-        target.add(Instruction.dup());
-        target.add(Instruction.pushUndefined());
-        target.add(Instruction.operation(Operation.EQUALS));
-        int mid = target.temp();
-
-        target.add(Instruction.pushValue("value")).setLocation(varLocation);
-        target.add(Instruction.loadMember()).setLocation(varLocation);
-        target.add(Instruction.storeVar(key)).setLocationAndDebug(object.loc(), BreakpointType.STEP_OVER);
-
-        body.compile(target, false, BreakpointType.STEP_OVER);
-
-        int end = target.size();
-
-        WhileStatement.replaceBreaks(target, label, mid + 1, end, start, end + 1);
-
-        target.add(Instruction.jmp(start - end));
-        target.add(Instruction.discard());
-        target.set(mid, Instruction.jmpIf(end - mid + 1));
-        if (pollute) target.add(Instruction.pushUndefined());
-    }
-
-    public ForInStatement(Location loc, Location varLocation, String label, boolean isDecl, String varName, Statement varValue, Statement object, Statement body) {
-        super(loc);
-        this.varLocation = varLocation;
-        this.label = label;
-        this.isDeclaration = isDecl;
-        this.varName = varName;
-        this.varValue = varValue;
-        this.object = object;
-        this.body = body;
-    }
-}

src/java/me/topchetoeu/jscript/compilation/control/ForStatement.java

@@ -1,45 +0,0 @@
-package me.topchetoeu.jscript.compilation.control;
-
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.common.Instruction.BreakpointType;
-import me.topchetoeu.jscript.compilation.CompileResult;
-import me.topchetoeu.jscript.compilation.Statement;
-
-public class ForStatement extends Statement {
-    public final Statement declaration, assignment, condition, body;
-    public final String label;
-
-    @Override
-    public void declare(CompileResult target) {
-        declaration.declare(target);
-        body.declare(target);
-    }
-    @Override
-    public void compile(CompileResult target, boolean pollute) {
-        declaration.compile(target, false, BreakpointType.STEP_OVER);
-
-        int start = target.size();
-        condition.compile(target, true, BreakpointType.STEP_OVER);
-        int mid = target.temp();
-        body.compile(target, false, BreakpointType.STEP_OVER);
-        int beforeAssign = target.size();
-        assignment.compile(target, false, BreakpointType.STEP_OVER);
-        int end = target.size();
-
-        WhileStatement.replaceBreaks(target, label, mid + 1, end, beforeAssign, end + 1);
-
-        target.add(Instruction.jmp(start - end));
-        target.set(mid, Instruction.jmpIfNot(end - mid + 1));
-        if (pollute) target.add(Instruction.pushUndefined());
-    }
-
-    public ForStatement(Location loc, String label, Statement declaration, Statement condition, Statement assignment, Statement body) {
-        super(loc);
-        this.label = label;
-        this.declaration = declaration;
-        this.condition = condition;
-        this.assignment = assignment;
-        this.body = body;
-    }
-}

src/java/me/topchetoeu/jscript/compilation/control/IfStatement.java

@@ -1,48 +0,0 @@
-package me.topchetoeu.jscript.compilation.control;
-
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.common.Instruction.BreakpointType;
-import me.topchetoeu.jscript.compilation.CompileResult;
-import me.topchetoeu.jscript.compilation.Statement;
-
-public class IfStatement extends Statement {
-    public final Statement condition, body, elseBody;
-
-    @Override
-    public void declare(CompileResult target) {
-        body.declare(target);
-        if (elseBody != null) elseBody.declare(target);
-    }
-
-    @Override public void compile(CompileResult target, boolean pollute, BreakpointType breakpoint) {
-        condition.compile(target, true, breakpoint);
-
-        if (elseBody == null) {
-            int i = target.temp();
-            body.compile(target, pollute, breakpoint);
-            int endI = target.size();
-            target.set(i, Instruction.jmpIfNot(endI - i));
-        }
-        else {
-            int start = target.temp();
-            body.compile(target, pollute, breakpoint);
-            int mid = target.temp();
-            elseBody.compile(target, pollute, breakpoint);
-            int end = target.size();
-
-            target.set(start, Instruction.jmpIfNot(mid - start + 1));
-            target.set(mid, Instruction.jmp(end - mid));
-        }
-    }
-    @Override public void compile(CompileResult target, boolean pollute) {
-        compile(target, pollute, BreakpointType.STEP_IN);
-    }
-
-    public IfStatement(Location loc, Statement condition, Statement body, Statement elseBody) {
-        super(loc);
-        this.condition = condition;
-        this.body = body;
-        this.elseBody = elseBody;
-    }
-}

src/java/me/topchetoeu/jscript/compilation/control/ReturnStatement.java

@@ -1,22 +0,0 @@
-package me.topchetoeu.jscript.compilation.control;
-
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.compilation.CompileResult;
-import me.topchetoeu.jscript.compilation.Statement;
-
-public class ReturnStatement extends Statement {
-    public final Statement value;
-
-    @Override
-    public void compile(CompileResult target, boolean pollute) {
-        if (value == null) target.add(Instruction.pushUndefined());
-        else value.compile(target, true);
-        target.add(Instruction.ret()).setLocation(loc());
-    }
-
-    public ReturnStatement(Location loc, Statement value) {
-        super(loc);
-        this.value = value;
-    }
-}

src/java/me/topchetoeu/jscript/compilation/control/SwitchStatement.java

@@ -1,83 +0,0 @@
-package me.topchetoeu.jscript.compilation.control;
-
-import java.util.HashMap;
-
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.common.Operation;
-import me.topchetoeu.jscript.common.Instruction.BreakpointType;
-import me.topchetoeu.jscript.common.Instruction.Type;
-import me.topchetoeu.jscript.compilation.CompileResult;
-import me.topchetoeu.jscript.compilation.Statement;
-
-public class SwitchStatement extends Statement {
-    public static class SwitchCase {
-        public final Statement value;
-        public final int statementI;
-
-        public SwitchCase(Statement value, int statementI) {
-            this.value = value;
-            this.statementI = statementI;
-        }
-    }
-
-    public final Statement value;
-    public final SwitchCase[] cases;
-    public final Statement[] body;
-    public final int defaultI;
-
-    @Override
-    public void declare(CompileResult target) {
-        for (var stm : body) stm.declare(target);
-    }
-
-    @Override
-    public void compile(CompileResult target, boolean pollute) {
-        var caseToStatement = new HashMap<Integer, Integer>();
-        var statementToIndex = new HashMap<Integer, Integer>();
-
-        value.compile(target, true, BreakpointType.STEP_OVER);
-
-        for (var ccase : cases) {
-            target.add(Instruction.dup());
-            ccase.value.compile(target, true);
-            target.add(Instruction.operation(Operation.EQUALS));
-            caseToStatement.put(target.temp(), ccase.statementI);
-        }
-
-        int start = target.temp();
-
-        for (var stm : body) {
-            statementToIndex.put(statementToIndex.size(), target.size());
-            stm.compile(target, false, BreakpointType.STEP_OVER);
-        }
-
-        int end = target.size();
-        target.add(Instruction.discard());
-        if (pollute) target.add(Instruction.pushUndefined());
-
-        if (defaultI < 0 || defaultI >= body.length) target.set(start, Instruction.jmp(end - start));
-        else target.set(start, Instruction.jmp(statementToIndex.get(defaultI) - start));
-
-        for (int i = start; i < end; i++) {
-            var instr = target.get(i);
-            if (instr.type == Type.NOP && instr.is(0, "break") && instr.get(1) == null) {
-                target.set(i, Instruction.jmp(end - i));
-            }
-        }
-        for (var el : caseToStatement.entrySet()) {
-            var i = statementToIndex.get(el.getValue());
-            if (i == null) i = end;
-            target.set(el.getKey(), Instruction.jmpIf(i - el.getKey()));
-        }
-
-    }
-
-    public SwitchStatement(Location loc, Statement value, int defaultI, SwitchCase[] cases, Statement[] body) {
-        super(loc);
-        this.value = value;
-        this.defaultI = defaultI;
-        this.cases = cases;
-        this.body = body;
-    }
-}

src/java/me/topchetoeu/jscript/compilation/control/ThrowStatement.java

@@ -1,21 +0,0 @@
-package me.topchetoeu.jscript.compilation.control;
-
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.compilation.CompileResult;
-import me.topchetoeu.jscript.compilation.Statement;
-
-public class ThrowStatement extends Statement {
-    public final Statement value;
-
-    @Override
-    public void compile(CompileResult target, boolean pollute) {
-        value.compile(target, true);
-        target.add(Instruction.throwInstr()).setLocation(loc());
-    }
-
-    public ThrowStatement(Location loc, Statement value) {
-        super(loc);
-        this.value = value;
-    }
-}

src/java/me/topchetoeu/jscript/compilation/control/TryStatement.java

@@ -1,58 +0,0 @@
-package me.topchetoeu.jscript.compilation.control;
-
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.common.Instruction.BreakpointType;
-import me.topchetoeu.jscript.compilation.CompileResult;
-import me.topchetoeu.jscript.compilation.Statement;
-
-public class TryStatement extends Statement {
-    public final Statement tryBody;
-    public final Statement catchBody;
-    public final Statement finallyBody;
-    public final String name;
-
-    @Override
-    public void declare(CompileResult target) {
-        tryBody.declare(target);
-        if (catchBody != null) catchBody.declare(target);
-        if (finallyBody != null) finallyBody.declare(target);
-    }
-
-    @Override
-    public void compile(CompileResult target, boolean pollute, BreakpointType bpt) {
-        int replace = target.temp();
-
-        int start = replace + 1, catchStart = -1, finallyStart = -1;
-
-        tryBody.compile(target, false);
-        target.add(Instruction.tryEnd());
-
-        if (catchBody != null) {
-            catchStart = target.size() - start;
-            target.scope.define(name, true);
-            catchBody.compile(target, false);
-            target.scope.undefine();
-            target.add(Instruction.tryEnd());
-        }
-
-        if (finallyBody != null) {
-            finallyStart = target.size() - start;
-            finallyBody.compile(target, false);
-            target.add(Instruction.tryEnd());
-        }
-
-        target.set(replace, Instruction.tryStart(catchStart, finallyStart, target.size() - start));
-        target.setLocationAndDebug(replace, loc(), BreakpointType.STEP_OVER);
-
-        if (pollute) target.add(Instruction.pushUndefined());
-    }
-
-    public TryStatement(Location loc, Statement tryBody, Statement catchBody, Statement finallyBody, String name) {
-        super(loc);
-        this.tryBody = tryBody;
-        this.catchBody = catchBody;
-        this.finallyBody = finallyBody;
-        this.name = name;
-    }
-}

src/java/me/topchetoeu/jscript/compilation/control/WhileStatement.java

@@ -1,52 +0,0 @@
-package me.topchetoeu.jscript.compilation.control;
-
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.common.Instruction.BreakpointType;
-import me.topchetoeu.jscript.common.Instruction.Type;
-import me.topchetoeu.jscript.compilation.CompileResult;
-import me.topchetoeu.jscript.compilation.Statement;
-
-public class WhileStatement extends Statement {
-    public final Statement condition, body;
-    public final String label;
-
-    @Override
-    public void declare(CompileResult target) {
-        body.declare(target);
-    }
-    @Override
-    public void compile(CompileResult target, boolean pollute) {
-        int start = target.size();
-        condition.compile(target, true);
-        int mid = target.temp();
-        body.compile(target, false, BreakpointType.STEP_OVER);
-
-        int end = target.size();
-
-        replaceBreaks(target, label, mid + 1, end, start, end + 1);
-
-        target.add(Instruction.jmp(start - end));
-        target.set(mid, Instruction.jmpIfNot(end - mid + 1));
-        if (pollute) target.add(Instruction.pushUndefined());
-    }
-
-    public WhileStatement(Location loc, String label, Statement condition, Statement body) {
-        super(loc);
-        this.label = label;
-        this.condition = condition;
-        this.body = body;
-    }
-
-    public static void replaceBreaks(CompileResult target, String label, int start, int end, int continuePoint, int breakPoint) {
-        for (int i = start; i < end; i++) {
-            var instr = target.get(i);
-            if (instr.type == Type.NOP && instr.is(0, "cont") && (instr.get(1) == null || instr.is(1, label))) {
-                target.set(i, Instruction.jmp(continuePoint - i));
-            }
-            if (instr.type == Type.NOP && instr.is(0, "break") && (instr.get(1) == null || instr.is(1, label))) {
-                target.set(i, Instruction.jmp(breakPoint - i));
-            }
-        }
-    }
-}

src/java/me/topchetoeu/jscript/compilation/parsing/Operator.java

@@ -1,113 +0,0 @@
-package me.topchetoeu.jscript.compilation.parsing;
-
-import java.util.HashMap;
-import java.util.Map;
-
-import me.topchetoeu.jscript.common.Operation;
-
-public enum Operator {
-    MULTIPLY("*", Operation.MULTIPLY, 13),
-    DIVIDE("/", Operation.DIVIDE, 12),
-    MODULO("%", Operation.MODULO, 12),
-    SUBTRACT("-", Operation.SUBTRACT, 11),
-    ADD("+", Operation.ADD, 11),
-    SHIFT_RIGHT(">>", Operation.SHIFT_RIGHT, 10),
-    SHIFT_LEFT("<<", Operation.SHIFT_LEFT, 10),
-    USHIFT_RIGHT(">>>", Operation.USHIFT_RIGHT, 10),
-    GREATER(">", Operation.GREATER, 9),
-    LESS("<", Operation.LESS, 9),
-    GREATER_EQUALS(">=", Operation.GREATER_EQUALS, 9),
-    LESS_EQUALS("<=", Operation.LESS_EQUALS, 9),
-    NOT_EQUALS("!=", Operation.LOOSE_NOT_EQUALS, 8),
-    LOOSE_NOT_EQUALS("!==", Operation.NOT_EQUALS, 8),
-    EQUALS("==", Operation.LOOSE_EQUALS, 8),
-    LOOSE_EQUALS("===", Operation.EQUALS, 8),
-    AND("&", Operation.AND, 7),
-    XOR("^", Operation.XOR, 6),
-    OR("|", Operation.OR, 5),
-    LAZY_AND("&&", 4),
-    LAZY_OR("||", 3),
-    ASSIGN_SHIFT_LEFT("<<=", 2, true),
-    ASSIGN_SHIFT_RIGHT(">>=", 2, true),
-    ASSIGN_USHIFT_RIGHT(">>>=", 2, true),
-    ASSIGN_AND("&=", 2, true),
-    ASSIGN_OR("|=", 2, true),
-    ASSIGN_XOR("^=", 2, true),
-    ASSIGN_MODULO("%=", 2, true),
-    ASSIGN_DIVIDE("/=", 2, true),
-    ASSIGN_MULTIPLY("*=", 2, true),
-    ASSIGN_SUBTRACT("-=", 2, true),
-    ASSIGN_ADD("+=", 2, true),
-    ASSIGN("=", 2, true),
-    SEMICOLON(";"),
-    COLON(":"),
-    PAREN_OPEN("("),
-    PAREN_CLOSE(")"),
-    BRACKET_OPEN("["),
-    BRACKET_CLOSE("]"),
-    BRACE_OPEN("{"),
-    BRACE_CLOSE("}"),
-    DOT("."),
-    COMMA(","),
-    NOT("!"),
-    QUESTION("?"),
-    INVERSE("~"),
-    INCREASE("++"),
-    DECREASE("--");
-
-    public final String readable;
-    public final Operation operation;
-    public final int precedence;
-    public final boolean reverse;
-    private static final Map<String, Operator> ops = new HashMap<>();
-
-    static {
-        for (var el : Operator.values()) {
-            ops.put(el.readable, el);
-        }
-    }
-
-    public boolean isAssign() { return precedence == 2; }
-
-    public static Operator parse(String val) {
-        return ops.get(val);
-    }
-
-    private Operator() {
-        this.readable = null;
-        this.operation = null;
-        this.precedence = -1;
-        this.reverse = false;
-    }
-    private Operator(String value) {
-        this.readable = value;
-        this.operation = null;
-        this.precedence = -1;
-        this.reverse = false;
-    }
-    private Operator(String value, int precedence) {
-        this.readable = value;
-        this.operation = null;
-        this.precedence = precedence;
-        this.reverse = false;
-    }
-    private Operator(String value, int precedence, boolean reverse) {
-        this.readable = value;
-        this.operation = null;
-        this.precedence = precedence;
-        this.reverse = reverse;
-    }
-
-    private Operator(String value, Operation funcName, int precedence) {
-        this.readable = value;
-        this.operation = funcName;
-        this.precedence = precedence;
-        this.reverse = false;
-    }
-    private Operator(String value, Operation funcName, int precedence, boolean reverse) {
-        this.readable = value;
-        this.operation = funcName;
-        this.precedence = precedence;
-        this.reverse = reverse;
-    }
-}

src/java/me/topchetoeu/jscript/compilation/parsing/ParseRes.java

@@ -1,100 +0,0 @@
-package me.topchetoeu.jscript.compilation.parsing;
-
-import java.util.List;
-import java.util.Map;
-
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.compilation.parsing.Parsing.Parser;
-
-public class ParseRes<T> {
-    public static enum State {
-        SUCCESS,
-        FAILED,
-        ERROR;
-
-        public boolean isSuccess() { return this == SUCCESS; }
-        public boolean isFailed() { return this == FAILED; }
-        public boolean isError() { return this == ERROR; }
-    }
-
-    public final ParseRes.State state;
-    public final String error;
-    public final T result;
-    public final int n;
-
-    private ParseRes(ParseRes.State state, String error, T result, int readN) {
-        this.result = result;
-        this.n = readN;
-        this.state = state;
-        this.error = error;
-    }
-
-    public ParseRes<T> setN(int i) {
-        if (!state.isSuccess()) return this;
-        return new ParseRes<>(state, null, result, i);
-    }
-    public ParseRes<T> addN(int i) {
-        if (!state.isSuccess()) return this;
-        return new ParseRes<>(state, null, result, this.n + i);
-    }
-    public <T2> ParseRes<T2> transform() {
-        if (isSuccess()) throw new RuntimeException("Can't transform a ParseRes that hasn't failed.");
-        return new ParseRes<>(state, error, null, 0);
-    }
-    public TestRes toTest() {
-        if (isSuccess()) return TestRes.res(n);
-        else if (isError()) return TestRes.error(null, error);
-        else return TestRes.failed();
-    }
-
-    public boolean isSuccess() { return state.isSuccess(); }
-    public boolean isFailed() { return state.isFailed(); }
-    public boolean isError() { return state.isError(); }
-
-    public static <T> ParseRes<T> failed() {
-        return new ParseRes<T>(State.FAILED, null, null, 0);
-    }
-    public static <T> ParseRes<T> error(Location loc, String error) {
-        if (loc != null) error = loc + ": " + error;
-        return new ParseRes<>(State.ERROR, error, null, 0);
-    }
-    public static <T> ParseRes<T> error(Location loc, String error, ParseRes<?> other) {
-        if (loc != null) error = loc + ": " + error;
-        if (!other.isError()) return new ParseRes<>(State.ERROR, error, null, 0);
-        return new ParseRes<>(State.ERROR, other.error, null, 0);
-    }
-    public static <T> ParseRes<T> res(T val, int i) {
-        return new ParseRes<>(State.SUCCESS, null, val, i);
-    }
-
-    @SafeVarargs
-    public static <T> ParseRes<? extends T> any(ParseRes<? extends T> ...parsers) {
-        return any(List.of(parsers));
-    }
-    public static <T> ParseRes<? extends T> any(List<ParseRes<? extends T>> parsers) {
-        ParseRes<? extends T> best = null;
-        ParseRes<? extends T> error = ParseRes.failed();
-
-        for (var parser : parsers) {
-            if (parser.isSuccess()) {
-                if (best == null || best.n < parser.n) best = parser;
-            }
-            else if (parser.isError() && error.isFailed()) error = parser.transform();
-        }
-
-        if (best != null) return best;
-        else return error;
-    }
-    @SafeVarargs
-    public static <T> ParseRes<? extends T> first(String filename, List<Token> tokens, Map<String, Parser<T>> named, Parser<? extends T> ...parsers) {
-        ParseRes<? extends T> error = ParseRes.failed();
-
-        for (var parser : parsers) {
-            var res = parser.parse(null, tokens, 0);
-            if (res.isSuccess()) return res;
-            else if (res.isError() && error.isFailed()) error = res.transform();
-        }
-
-        return error;
-    }
-}

src/java/me/topchetoeu/jscript/compilation/parsing/RawToken.java

@@ -1,15 +0,0 @@
-package me.topchetoeu.jscript.compilation.parsing;
-
-public class RawToken {
-    public final String value;
-    public final TokenType type;
-    public final int line;
-    public final int start;
-
-    public RawToken(String value, TokenType type, int line, int start) {
-        this.value = value;
-        this.type = type;
-        this.line = line;
-        this.start = start;
-    }
-}

src/java/me/topchetoeu/jscript/compilation/parsing/TestRes.java

@@ -1,45 +0,0 @@
-package me.topchetoeu.jscript.compilation.parsing;
-
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.compilation.parsing.ParseRes.State;
-
-public class TestRes {
-    public final State state;
-    public final String error;
-    public final int i;
-
-    private TestRes(ParseRes.State state, String error, int i) {
-        this.i = i;
-        this.state = state;
-        this.error = error;
-    }
-
-    public TestRes add(int n) {
-        return new TestRes(state, null, this.i + n);
-    }
-    public <T> ParseRes<T> transform() {
-        if (isSuccess()) throw new RuntimeException("Can't transform a TestRes that hasn't failed.");
-        else if (isError()) return ParseRes.error(null, error);
-        else return ParseRes.failed();
-    }
-
-    public boolean isSuccess() { return state.isSuccess(); }
-    public boolean isFailed() { return state.isFailed(); }
-    public boolean isError() { return state.isError(); }
-
-    public static TestRes failed() {
-        return new TestRes(State.FAILED, null, 0);
-    }
-    public static TestRes error(Location loc, String error) {
-        if (loc != null) error = loc + ": " + error;
-        return new TestRes(State.ERROR, error, 0);
-    }
-    public static TestRes error(Location loc, String error, TestRes other) {
-        if (loc != null) error = loc + ": " + error;
-        if (!other.isError()) return new TestRes(State.ERROR, error, 0);
-        return new TestRes(State.ERROR, other.error, 0);
-    }
-    public static TestRes res(int i) {
-        return new TestRes(State.SUCCESS, null, i);
-    }
-}

src/java/me/topchetoeu/jscript/compilation/parsing/Token.java

@@ -1,58 +0,0 @@
-package me.topchetoeu.jscript.compilation.parsing;
-
-public class Token {
-    public final Object value;
-    public final String rawValue;
-    public final boolean isString;
-    public final boolean isRegex;
-    public final int line;
-    public final int start;
-
-    private Token(int line, int start, Object value, String rawValue, boolean isString, boolean isRegex) {
-        this.value = value;
-        this.rawValue = rawValue;
-        this.line = line;
-        this.start = start;
-        this.isString = isString;
-        this.isRegex = isRegex;
-    }
-    private Token(int line, int start, Object value, String rawValue) {
-        this.value = value;
-        this.rawValue = rawValue;
-        this.line = line;
-        this.start = start;
-        this.isString = false;
-        this.isRegex = false;
-    }
-
-    public boolean isString() { return isString; }
-    public boolean isRegex() { return isRegex; }
-    public boolean isNumber() { return value instanceof Number; }
-    public boolean isIdentifier() { return !isString && !isRegex && value instanceof String; }
-    public boolean isOperator() { return value instanceof Operator; }
-
-    public boolean isIdentifier(String lit) { return !isString && !isRegex && value.equals(lit); }
-    public boolean isOperator(Operator op) { return value.equals(op); }
-
-    public String string() { return (String)value; }
-    public String regex() { return (String)value; }
-    public double number() { return (double)value; }
-    public String identifier() { return (String)value; }
-    public Operator operator() { return (Operator)value; }
-
-    public static Token regex(int line, int start, String val, String rawValue) {
-        return new Token(line, start, val, rawValue, false, true);
-    }
-    public static Token string(int line, int start, String val, String rawValue) {
-        return new Token(line, start, val, rawValue, true, false);
-    }
-    public static Token number(int line, int start, double val, String rawValue) {
-        return new Token(line, start, val, rawValue);
-    }
-    public static Token identifier(int line, int start, String val) {
-        return new Token(line, start, val, val);
-    }
-    public static Token operator(int line, int start, Operator val) {
-        return new Token(line, start, val, val.readable);
-    }
-}

src/java/me/topchetoeu/jscript/compilation/parsing/TokenType.java

@@ -1,9 +0,0 @@
-package me.topchetoeu.jscript.compilation.parsing;
-
-enum TokenType {
-    REGEX,
-    STRING,
-    NUMBER,
-    LITERAL,
-    OPERATOR,
-}

src/java/me/topchetoeu/jscript/compilation/values/ArrayStatement.java

@@ -1,40 +0,0 @@
-package me.topchetoeu.jscript.compilation.values;
-
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.compilation.CompileResult;
-import me.topchetoeu.jscript.compilation.Statement;
-
-public class ArrayStatement extends Statement {
-    public final Statement[] statements;
-
-    @Override public boolean pure() {
-        for (var stm : statements) {
-            if (!stm.pure()) return false;
-        }
-
-        return true;
-    }
-
-    @Override
-    public void compile(CompileResult target, boolean pollute) {
-        target.add(Instruction.loadArr(statements.length));
-
-        for (var i = 0; i < statements.length; i++) {
-            var el = statements[i];
-            if (el != null) {
-                target.add(Instruction.dup());
-                target.add(Instruction.pushValue(i));
-                el.compile(target, true);
-                target.add(Instruction.storeMember());
-            }
-        }
-
-        if (!pollute) target.add(Instruction.discard());
-    }
-
-    public ArrayStatement(Location loc, Statement[] statements) {
-        super(loc);
-        this.statements = statements;
-    }
-}

src/java/me/topchetoeu/jscript/compilation/values/CallStatement.java

@@ -1,43 +0,0 @@
-package me.topchetoeu.jscript.compilation.values;
-
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.common.Instruction.BreakpointType;
-import me.topchetoeu.jscript.compilation.CompileResult;
-import me.topchetoeu.jscript.compilation.Statement;
-
-public class CallStatement extends Statement {
-    public final Statement func;
-    public final Statement[] args;
-    public final boolean isNew;
-
-    @Override
-    public void compile(CompileResult target, boolean pollute, BreakpointType type) {
-        if (isNew) func.compile(target, true);
-        else if (func instanceof IndexStatement) {
-            ((IndexStatement)func).compile(target, true, true);
-        }
-        else {
-            target.add(Instruction.pushUndefined());
-            func.compile(target, true);
-        }
-
-        for (var arg : args) arg.compile(target, true);
-
-        if (isNew) target.add(Instruction.callNew(args.length)).setLocationAndDebug(loc(), type);
-        else target.add(Instruction.call(args.length)).setLocationAndDebug(loc(), type);
-
-        if (!pollute) target.add(Instruction.discard());
-    }
-    @Override
-    public void compile(CompileResult target, boolean pollute) {
-        compile(target, pollute, BreakpointType.STEP_IN);
-    }
-
-    public CallStatement(Location loc, boolean isNew, Statement func, Statement ...args) {
-        super(loc);
-        this.isNew = isNew;
-        this.func = func;
-        this.args = args;
-    }
-}

src/java/me/topchetoeu/jscript/compilation/values/ChangeStatement.java

@@ -1,31 +0,0 @@
-package me.topchetoeu.jscript.compilation.values;
-
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.common.Operation;
-import me.topchetoeu.jscript.compilation.AssignableStatement;
-import me.topchetoeu.jscript.compilation.CompileResult;
-import me.topchetoeu.jscript.compilation.Statement;
-
-public class ChangeStatement extends Statement {
-    public final AssignableStatement value;
-    public final double addAmount;
-    public final boolean postfix;
-
-    @Override
-    public void compile(CompileResult target, boolean pollute) {
-        value.toAssign(new ConstantStatement(loc(), -addAmount), Operation.SUBTRACT).compile(target, true);
-        if (!pollute) target.add(Instruction.discard());
-        else if (postfix) {
-            target.add(Instruction.pushValue(addAmount));
-            target.add(Instruction.operation(Operation.SUBTRACT));
-        }
-    }
-
-    public ChangeStatement(Location loc, AssignableStatement value, double addAmount, boolean postfix) {
-        super(loc);
-        this.value = value;
-        this.addAmount = addAmount;
-        this.postfix = postfix;
-    }
-}

src/java/me/topchetoeu/jscript/compilation/values/ConstantStatement.java

@@ -1,47 +0,0 @@
-package me.topchetoeu.jscript.compilation.values;
-
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.compilation.CompileResult;
-import me.topchetoeu.jscript.compilation.Statement;
-
-public class ConstantStatement extends Statement {
-    public final Object value;
-    public final boolean isNull;
-
-    @Override public boolean pure() { return true; }
-
-    @Override
-    public void compile(CompileResult target, boolean pollute) {
-        if (pollute) {
-            if (isNull) target.add(Instruction.pushNull());
-            else if (value instanceof Double) target.add(Instruction.pushValue((Double)value));
-            else if (value instanceof String) target.add(Instruction.pushValue((String)value));
-            else if (value instanceof Boolean) target.add(Instruction.pushValue((Boolean)value));
-            else target.add(Instruction.pushUndefined());
-        }
-    }
-
-    private ConstantStatement(Location loc, Object val, boolean isNull) {
-        super(loc);
-        this.value = val;
-        this.isNull = isNull;
-    }
-
-    public ConstantStatement(Location loc, boolean val) {
-        this(loc, val, false);
-    }
-    public ConstantStatement(Location loc, String val) {
-        this(loc, val, false);
-    }
-    public ConstantStatement(Location loc, double val) {
-        this(loc, val, false);
-    }
-
-    public static ConstantStatement ofUndefined(Location loc) {
-        return new ConstantStatement(loc, null, false);
-    }
-    public static ConstantStatement ofNull(Location loc) {
-        return new ConstantStatement(loc, null, true);
-    }
-}

src/java/me/topchetoeu/jscript/compilation/values/DiscardStatement.java

@@ -1,23 +0,0 @@
-package me.topchetoeu.jscript.compilation.values;
-
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.compilation.CompileResult;
-import me.topchetoeu.jscript.compilation.Statement;
-
-public class DiscardStatement extends Statement {
-    public final Statement value;
-
-    @Override public boolean pure() { return value.pure(); }
-
-    @Override
-    public void compile(CompileResult target, boolean pollute) {
-        value.compile(target, false);
-        if (pollute) target.add(Instruction.pushUndefined());
-    }
-
-    public DiscardStatement(Location loc, Statement val) {
-        super(loc);
-        this.value = val;
-    }
-}

src/java/me/topchetoeu/jscript/compilation/values/FunctionStatement.java

@@ -1,127 +0,0 @@
-package me.topchetoeu.jscript.compilation.values;
-
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.common.Instruction.BreakpointType;
-import me.topchetoeu.jscript.common.Instruction.Type;
-import me.topchetoeu.jscript.compilation.CompileResult;
-import me.topchetoeu.jscript.compilation.CompoundStatement;
-import me.topchetoeu.jscript.compilation.Statement;
-import me.topchetoeu.jscript.core.exceptions.SyntaxException;
-
-public class FunctionStatement extends Statement {
-    public final CompoundStatement body;
-    public final String varName;
-    public final String[] args;
-    public final boolean statement;
-    public final Location end;
-
-    @Override public boolean pure() { return varName == null && statement; }
-
-    @Override
-    public void declare(CompileResult target) {
-        if (varName != null && statement) target.scope.define(varName);
-    }
-
-    public static void checkBreakAndCont(CompileResult target, int start) {
-        for (int i = start; i < target.size(); i++) {
-            if (target.get(i).type == Type.NOP) {
-                if (target.get(i).is(0, "break") ) {
-                    throw new SyntaxException(target.map.toLocation(i), "Break was placed outside a loop.");
-                }
-                if (target.get(i).is(0, "cont")) {
-                    throw new SyntaxException(target.map.toLocation(i), "Continue was placed outside a loop.");
-                }
-            }
-        }
-    }
-
-    private CompileResult compileBody(CompileResult target, boolean pollute, BreakpointType bp) {
-        for (var i = 0; i < args.length; i++) {
-            for (var j = 0; j < i; j++) {
-                if (args[i].equals(args[j])) {
-                    throw new SyntaxException(loc(), "Duplicate parameter '" + args[i] + "'.");
-                }
-            }
-        }
-
-        var subtarget = new CompileResult(target.scope.child());
-
-        subtarget.scope.define("this");
-        var argsVar = subtarget.scope.define("arguments");
-
-        if (args.length > 0) {
-            for (var i = 0; i < args.length; i++) {
-                subtarget.add(Instruction.loadVar(argsVar));
-                subtarget.add(Instruction.pushValue(i));
-                subtarget.add(Instruction.loadMember());
-                subtarget.add(Instruction.storeVar(subtarget.scope.define(args[i])));
-            }
-        }
-
-        if (!statement && this.varName != null) {
-            subtarget.add(Instruction.storeSelfFunc((int)subtarget.scope.define(this.varName))).setLocationAndDebug(loc(), bp);
-        }
-
-        body.declare(subtarget);
-        body.compile(subtarget, false);
-        subtarget.length = args.length;
-        subtarget.add(Instruction.ret()).setLocation(end);
-        checkBreakAndCont(subtarget, 0);
-
-        if (pollute) target.add(Instruction.loadFunc(target.children.size(), subtarget.scope.getCaptures()));
-        return target.addChild(subtarget);
-    }
-
-    public void compile(CompileResult target, boolean pollute, String name, BreakpointType bp) {
-        if (this.varName != null) name = this.varName;
-
-        var hasVar = this.varName != null && statement;
-        var hasName = name != null;
-
-        compileBody(target, pollute || hasVar || hasName, bp);
-
-        if (hasName) {
-            if (pollute || hasVar) target.add(Instruction.dup());
-            target.add(Instruction.pushValue("name"));
-            target.add(Instruction.pushValue(name));
-            target.add(Instruction.storeMember());
-        }
-
-        if (hasVar) {
-            var key = target.scope.getKey(this.varName);
-
-            if (key instanceof String) target.add(Instruction.makeVar((String)key));
-            target.add(Instruction.storeVar(target.scope.getKey(this.varName), false));
-        }
-    }
-    public void compile(CompileResult target, boolean pollute, String name) {
-        compile(target, pollute, name, BreakpointType.NONE);
-    }
-    @Override public void compile(CompileResult target, boolean pollute, BreakpointType bp) {
-        compile(target, pollute, (String)null, bp);
-    }
-    @Override public void compile(CompileResult target, boolean pollute) {
-        compile(target, pollute, (String)null, BreakpointType.NONE);
-    }
-
-    public FunctionStatement(Location loc, Location end, String varName, String[] args, boolean statement, CompoundStatement body) {
-        super(loc);
-
-        this.end = end;
-        this.varName = varName;
-        this.statement = statement;
-
-        this.args = args;
-        this.body = body;
-    }
-
-    public static void compileWithName(Statement stm, CompileResult target, boolean pollute, String name) {
-        if (stm instanceof FunctionStatement) ((FunctionStatement)stm).compile(target, pollute, name);
-        else stm.compile(target, pollute);
-    }
-    public static void compileWithName(Statement stm, CompileResult target, boolean pollute, String name, BreakpointType bp) {
-        if (stm instanceof FunctionStatement) ((FunctionStatement)stm).compile(target, pollute, name, bp);
-        else stm.compile(target, pollute, bp);
-    }
-}

src/java/me/topchetoeu/jscript/compilation/values/GlobalThisStatement.java

@@ -1,19 +0,0 @@
-package me.topchetoeu.jscript.compilation.values;
-
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.compilation.CompileResult;
-import me.topchetoeu.jscript.compilation.Statement;
-
-public class GlobalThisStatement extends Statement {
-    @Override public boolean pure() { return true; }
-
-    @Override
-    public void compile(CompileResult target, boolean pollute) {
-        if (pollute) target.add(Instruction.loadGlob());
-    }
-
-    public GlobalThisStatement(Location loc) {
-        super(loc);
-    }
-}

src/java/me/topchetoeu/jscript/compilation/values/IndexAssignStatement.java

@@ -1,45 +0,0 @@
-package me.topchetoeu.jscript.compilation.values;
-
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.common.Operation;
-import me.topchetoeu.jscript.common.Instruction.BreakpointType;
-import me.topchetoeu.jscript.compilation.CompileResult;
-import me.topchetoeu.jscript.compilation.Statement;
-
-public class IndexAssignStatement extends Statement {
-    public final Statement object;
-    public final Statement index;
-    public final Statement value;
-    public final Operation operation;
-
-    @Override
-    public void compile(CompileResult target, boolean pollute) {
-        if (operation != null) {
-            object.compile(target, true);
-            index.compile(target, true);
-            target.add(Instruction.dup(2));
-
-            target.add(Instruction.loadMember());
-            value.compile(target, true);
-            target.add(Instruction.operation(operation));
-
-            target.add(Instruction.storeMember(pollute)).setLocationAndDebug(loc(), BreakpointType.STEP_IN);
-        }
-        else {
-            object.compile(target, true);
-            index.compile(target, true);
-            value.compile(target, true);
-
-            target.add(Instruction.storeMember(pollute)).setLocationAndDebug(loc(), BreakpointType.STEP_IN);;
-        }
-    }
-
-    public IndexAssignStatement(Location loc, Statement object, Statement index, Statement value, Operation operation) {
-        super(loc);
-        this.object = object;
-        this.index = index;
-        this.value = value;
-        this.operation = operation;
-    }
-}

src/java/me/topchetoeu/jscript/compilation/values/IndexStatement.java

@@ -1,37 +0,0 @@
-package me.topchetoeu.jscript.compilation.values;
-
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.common.Operation;
-import me.topchetoeu.jscript.common.Instruction.BreakpointType;
-import me.topchetoeu.jscript.compilation.AssignableStatement;
-import me.topchetoeu.jscript.compilation.CompileResult;
-import me.topchetoeu.jscript.compilation.Statement;
-
-public class IndexStatement extends AssignableStatement {
-    public final Statement object;
-    public final Statement index;
-
-    @Override
-    public Statement toAssign(Statement val, Operation operation) {
-        return new IndexAssignStatement(loc(), object, index, val, operation);
-    }
-    public void compile(CompileResult target, boolean dupObj, boolean pollute) {
-        object.compile(target, true);
-        if (dupObj) target.add(Instruction.dup());
-
-        index.compile(target, true);
-        target.add(Instruction.loadMember()).setLocationAndDebug(loc(), BreakpointType.STEP_IN);
-        if (!pollute) target.add(Instruction.discard());
-    }
-    @Override
-    public void compile(CompileResult target, boolean pollute) {
-        compile(target, false, pollute);
-    }
-
-    public IndexStatement(Location loc, Statement object, Statement index) {
-        super(loc);
-        this.object = object;
-        this.index = index;
-    }
-}

src/java/me/topchetoeu/jscript/compilation/values/LazyAndStatement.java

@@ -1,28 +0,0 @@
-package me.topchetoeu.jscript.compilation.values;
-
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.compilation.CompileResult;
-import me.topchetoeu.jscript.compilation.Statement;
-
-public class LazyAndStatement extends Statement {
-    public final Statement first, second;
-
-    @Override public boolean pure() { return first.pure() && second.pure(); }
-
-    @Override
-    public void compile(CompileResult target, boolean pollute) {
-        first.compile(target, true);
-        if (pollute) target.add(Instruction.dup());
-        int start = target.temp();
-        if (pollute) target.add(Instruction.discard());
-        second.compile(target, pollute);
-        target.set(start, Instruction.jmpIfNot(target.size() - start));
-    }
-
-    public LazyAndStatement(Location loc, Statement first, Statement second) {
-        super(loc);
-        this.first = first;
-        this.second = second;
-    }
-}

src/java/me/topchetoeu/jscript/compilation/values/LazyOrStatement.java

@@ -1,28 +0,0 @@
-package me.topchetoeu.jscript.compilation.values;
-
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.compilation.CompileResult;
-import me.topchetoeu.jscript.compilation.Statement;
-
-public class LazyOrStatement extends Statement {
-    public final Statement first, second;
-
-    @Override public boolean pure() { return first.pure() && second.pure(); }
-
-    @Override
-    public void compile(CompileResult target, boolean pollute) {
-        first.compile(target, true);
-        if (pollute) target.add(Instruction.dup());
-        int start = target.temp();
-        if (pollute) target.add(Instruction.discard());
-        second.compile(target, pollute);
-        target.set(start, Instruction.jmpIf(target.size() - start));
-    }
-
-    public LazyOrStatement(Location loc, Statement first, Statement second) {
-        super(loc);
-        this.first = first;
-        this.second = second;
-    }
-}

src/java/me/topchetoeu/jscript/compilation/values/ObjectStatement.java

@@ -1,61 +0,0 @@
-package me.topchetoeu.jscript.compilation.values;
-
-import java.util.ArrayList;
-import java.util.Map;
-
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.compilation.CompileResult;
-import me.topchetoeu.jscript.compilation.Statement;
-
-public class ObjectStatement extends Statement {
-    public final Map<String, Statement> map;
-    public final Map<String, FunctionStatement> getters;
-    public final Map<String, FunctionStatement> setters;
-
-    @Override public boolean pure() {
-        for (var el : map.values()) {
-            if (!el.pure()) return false;
-        }
-
-        return true;
-    }
-
-    @Override
-    public void compile(CompileResult target, boolean pollute) {
-        target.add(Instruction.loadObj());
-
-        for (var el : map.entrySet()) {
-            target.add(Instruction.dup());
-            target.add(Instruction.pushValue(el.getKey()));
-            var val = el.getValue();
-            FunctionStatement.compileWithName(val, target, true, el.getKey().toString());
-            target.add(Instruction.storeMember());
-        }
-
-        var keys = new ArrayList<Object>();
-        keys.addAll(getters.keySet());
-        keys.addAll(setters.keySet());
-
-        for (var key : keys) {
-            target.add(Instruction.pushValue((String)key));
-
-            if (getters.containsKey(key)) getters.get(key).compile(target, true);
-            else target.add(Instruction.pushUndefined());
-
-            if (setters.containsKey(key)) setters.get(key).compile(target, true);
-            else target.add(Instruction.pushUndefined());
-
-            target.add(Instruction.defProp());
-        }
-
-        if (!pollute) target.add(Instruction.discard());
-    }
-
-    public ObjectStatement(Location loc, Map<String, Statement> map, Map<String, FunctionStatement> getters, Map<String, FunctionStatement> setters) {
-        super(loc);
-        this.map = map;
-        this.getters = getters;
-        this.setters = setters;
-    }
-}

src/java/me/topchetoeu/jscript/compilation/values/OperationStatement.java

@@ -1,36 +0,0 @@
-package me.topchetoeu.jscript.compilation.values;
-
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.common.Operation;
-import me.topchetoeu.jscript.compilation.CompileResult;
-import me.topchetoeu.jscript.compilation.Statement;
-
-public class OperationStatement extends Statement {
-    public final Statement[] args;
-    public final Operation operation;
-
-    @Override public boolean pure() {
-        for (var el : args) {
-            if (!el.pure()) return false;
-        }
-
-        return true;
-    }
-
-    @Override
-    public void compile(CompileResult target, boolean pollute) {
-        for (var arg : args) {
-            arg.compile(target, true);
-        }
-
-        if (pollute) target.add(Instruction.operation(operation));
-        else target.add(Instruction.discard());
-    }
-
-    public OperationStatement(Location loc, Operation operation, Statement ...args) {
-        super(loc);
-        this.operation = operation;
-        this.args = args;
-    }
-}

src/java/me/topchetoeu/jscript/compilation/values/RegexStatement.java

@@ -1,25 +0,0 @@
-package me.topchetoeu.jscript.compilation.values;
-
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.compilation.CompileResult;
-import me.topchetoeu.jscript.compilation.Statement;
-
-public class RegexStatement extends Statement {
-    public final String pattern, flags;
-
-    // Not really pure, since a function is called, but can be ignored.
-    @Override public boolean pure() { return true; }
-
-    @Override
-    public void compile(CompileResult target, boolean pollute) {
-        target.add(Instruction.loadRegex(pattern, flags));
-        if (!pollute) target.add(Instruction.discard());
-    }
-
-    public RegexStatement(Location loc, String pattern, String flags) {
-        super(loc);
-        this.pattern = pattern;
-        this.flags = flags;
-    }
-}

src/java/me/topchetoeu/jscript/compilation/values/TypeofStatement.java

@@ -1,32 +0,0 @@
-package me.topchetoeu.jscript.compilation.values;
-
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.compilation.CompileResult;
-import me.topchetoeu.jscript.compilation.Statement;
-
-public class TypeofStatement extends Statement {
-    public final Statement value;
-
-    // Not really pure, since a variable from the global scope could be accessed,
-    // which could lead to code execution, that would get omitted
-    @Override public boolean pure() { return true; }
-
-    @Override
-    public void compile(CompileResult target, boolean pollute) {
-        if (value instanceof VariableStatement) {
-            var i = target.scope.getKey(((VariableStatement)value).name);
-            if (i instanceof String) {
-                target.add(Instruction.typeof((String)i));
-                return;
-            }
-        }
-        value.compile(target, pollute);
-        target.add(Instruction.typeof());
-    }
-
-    public TypeofStatement(Location loc, Statement value) {
-        super(loc);
-        this.value = value;
-    }
-}

src/java/me/topchetoeu/jscript/compilation/values/VariableAssignStatement.java

@@ -1,37 +0,0 @@
-package me.topchetoeu.jscript.compilation.values;
-
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.common.Operation;
-import me.topchetoeu.jscript.compilation.CompileResult;
-import me.topchetoeu.jscript.compilation.Statement;
-
-public class VariableAssignStatement extends Statement {
-    public final String name;
-    public final Statement value;
-    public final Operation operation;
-
-    @Override public boolean pure() { return false; }
-
-    @Override
-    public void compile(CompileResult target, boolean pollute) {
-        var i = target.scope.getKey(name);
-        if (operation != null) {
-            target.add(Instruction.loadVar(i));
-            FunctionStatement.compileWithName(value, target, true, name);
-            target.add(Instruction.operation(operation));
-            target.add(Instruction.storeVar(i, pollute));
-        }
-        else {
-            FunctionStatement.compileWithName(value, target, true, name);
-            target.add(Instruction.storeVar(i, pollute));
-        }
-    }
-
-    public VariableAssignStatement(Location loc, String name, Statement val, Operation operation) {
-        super(loc);
-        this.name = name;
-        this.value = val;
-        this.operation = operation;
-    }
-}

src/java/me/topchetoeu/jscript/compilation/values/VariableIndexStatement.java

@@ -1,22 +0,0 @@
-package me.topchetoeu.jscript.compilation.values;
-
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.compilation.CompileResult;
-import me.topchetoeu.jscript.compilation.Statement;
-
-public class VariableIndexStatement extends Statement {
-    public final int index;
-
-    @Override public boolean pure() { return true; }
-
-    @Override
-    public void compile(CompileResult target, boolean pollute) {
-        if (pollute) target.add(Instruction.loadVar(index));
-    }
-
-    public VariableIndexStatement(Location loc, int i) {
-        super(loc);
-        this.index = i;
-    }
-}

src/java/me/topchetoeu/jscript/compilation/values/VariableStatement.java

@@ -1,31 +0,0 @@
-package me.topchetoeu.jscript.compilation.values;
-
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.common.Operation;
-import me.topchetoeu.jscript.compilation.AssignableStatement;
-import me.topchetoeu.jscript.compilation.CompileResult;
-import me.topchetoeu.jscript.compilation.Statement;
-
-public class VariableStatement extends AssignableStatement {
-    public final String name;
-
-    @Override public boolean pure() { return false; }
-
-    @Override
-    public Statement toAssign(Statement val, Operation operation) {
-        return new VariableAssignStatement(loc(), name, val, operation);
-    }
-
-    @Override
-    public void compile(CompileResult target, boolean pollute) {
-        var i = target.scope.getKey(name);
-        target.add(Instruction.loadVar(i));
-        if (!pollute) target.add(Instruction.discard());
-    }
-
-    public VariableStatement(Location loc, String name) {
-        super(loc);
-        this.name = name;
-    }
-}

src/java/me/topchetoeu/jscript/core/Compiler.java

@@ -1,23 +0,0 @@
-package me.topchetoeu.jscript.core;
-
-import me.topchetoeu.jscript.common.Filename;
-import me.topchetoeu.jscript.common.FunctionBody;
-import me.topchetoeu.jscript.core.exceptions.EngineException;
-import me.topchetoeu.jscript.core.scope.ValueVariable;
-import me.topchetoeu.jscript.core.values.CodeFunction;
-
-public interface Compiler {
-    public Key<Compiler> KEY = new Key<>();
-
-    public FunctionBody compile(Filename filename, String source);
-
-    public static Compiler get(Extensions ext) {
-        return ext.get(KEY, (filename, src) -> {
-            throw EngineException.ofError("No compiler attached to engine.");
-        });
-    }
-
-    public static CodeFunction compile(Environment env, Filename filename, String raw) {
-        return new CodeFunction(env, filename.toString(), Compiler.get(env).compile(filename, raw), new ValueVariable[0]);
-    }
-}

src/java/me/topchetoeu/jscript/core/Context.java

@@ -1,109 +0,0 @@
-package me.topchetoeu.jscript.core;
-
-import java.util.Iterator;
-import java.util.List;
-
-import me.topchetoeu.jscript.common.Filename;
-import me.topchetoeu.jscript.core.debug.DebugContext;
-import me.topchetoeu.jscript.core.values.CodeFunction;
-import me.topchetoeu.jscript.core.values.FunctionValue;
-import me.topchetoeu.jscript.core.exceptions.EngineException;
-import me.topchetoeu.jscript.core.scope.ValueVariable;
-
-public class Context implements Extensions {
-    public static final Context NULL = new Context();
-
-    public final Context parent;
-    public final Environment environment;
-    public final Frame frame;
-    // public final Engine engine;
-    public final int stackSize;
-
-    @Override public <T> void add(Key<T> key, T obj) {
-        if (environment != null) environment.add(key, obj);
-        // else if (engine != null) engine.add(key, obj);
-    }
-    @Override public <T> T get(Key<T> key) {
-        if (environment != null && environment.has(key)) return environment.get(key);
-        // else if (engine != null && engine.has(key)) return engine.get(key);
-        return null;
-    }
-    @Override public boolean has(Key<?> key) {
-        return
-            environment != null && environment.has(key);
-            // engine != null && engine.has(key);
-    }
-    @Override public boolean remove(Key<?> key) {
-        var res = false;
-
-        if (environment != null) res |= environment.remove(key);
-        // else if (engine != null) res |= engine.remove(key);
-
-        return res;
-    }
-    @Override public Iterable<Key<?>> keys() {
-        if (environment == null) return List.of();
-        else return environment.keys();
-
-        // if (engine == null && environment == null) return List.of();
-        // if (engine == null) return environment.keys();
-        // if (environment == null) return engine.keys();
-
-        // return () -> Stream.concat(
-        //     StreamSupport.stream(engine.keys().spliterator(), false),
-        //     StreamSupport.stream(environment.keys().spliterator(), false)
-        // ).distinct().iterator();
-    }
-
-    public FunctionValue compile(Filename filename, String raw) {
-        DebugContext.get(this).onSource(filename, raw);
-        var result = new CodeFunction(environment, filename.toString(), Compiler.get(this).compile(filename, raw), new ValueVariable[0]);
-        return result;
-    }
-
-    public Context pushFrame(Frame frame) {
-        var res = new Context(this, frame.function.environment, frame, stackSize + 1);
-        return res;
-    }
-
-    public Iterable<Frame> frames() {
-        var self = this;
-        return () -> new Iterator<Frame>() {
-            private Context curr = self;
-
-            private void update() {
-                while (curr != null && curr.frame == null) curr = curr.parent;
-            }
-
-            @Override public boolean hasNext() {
-                update();
-                return curr != null;
-            }
-            @Override public Frame next() {
-                update();
-                var res = curr.frame;
-                curr = curr.parent;
-                return res;
-            }
-        };
-    }
-
-
-    private Context(Context parent, Environment environment, Frame frame, int stackSize) {
-        this.parent = parent;
-        this.environment = environment;
-        this.frame = frame;
-        this.stackSize = stackSize;
-
-        if (hasNotNull(Environment.MAX_STACK_COUNT) && stackSize > (int)get(Environment.MAX_STACK_COUNT)) {
-            throw EngineException.ofRange("Stack overflow!");
-        }
-    }
-
-    public Context() {
-        this(null, null, null, 0);
-    }
-    public Context(Environment env) {
-        this(null, env, null, 0);
-    }
-}

src/java/me/topchetoeu/jscript/core/Engine.java

@@ -1,95 +0,0 @@
-package me.topchetoeu.jscript.core;
-
-import java.util.concurrent.PriorityBlockingQueue;
-
-import me.topchetoeu.jscript.common.Filename;
-import me.topchetoeu.jscript.common.ResultRunnable;
-import me.topchetoeu.jscript.common.events.DataNotifier;
-import me.topchetoeu.jscript.core.exceptions.InterruptException;
-import me.topchetoeu.jscript.core.values.FunctionValue;
-
-public class Engine implements EventLoop {
-    private static class Task<T> implements Comparable<Task<?>> {
-        public final ResultRunnable<?> runnable;
-        public final DataNotifier<T> notifier = new DataNotifier<>();
-        public final boolean micro;
-
-        public Task(ResultRunnable<T> runnable, boolean micro) {
-            this.runnable = runnable;
-            this.micro = micro;
-        }
-
-        @Override
-        public int compareTo(Task<?> other) {
-            return Integer.compare(this.micro ? 0 : 1, other.micro ? 0 : 1);
-        }
-    }
-
-    private PriorityBlockingQueue<Task<?>> tasks = new PriorityBlockingQueue<>();
-    private Thread thread;
-
-    @Override
-    public <T> DataNotifier<T> pushMsg(ResultRunnable<T> runnable, boolean micro) {
-        var msg = new Task<T>(runnable, micro);
-        tasks.add(msg);
-        return msg.notifier;
-    }
-
-    @SuppressWarnings("unchecked")
-    public void run(boolean untilEmpty) {
-        while (!untilEmpty || !tasks.isEmpty()) {
-            try {
-                var task = tasks.take();
-
-                try {
-                    ((Task<Object>)task).notifier.next(task.runnable.run());
-                }
-                catch (RuntimeException e) {
-                    if (e instanceof InterruptException) throw e;
-                    task.notifier.error(e);
-                }
-            }
-            catch (InterruptedException | InterruptException e) {
-                for (var msg : tasks) msg.notifier.error(new InterruptException(e));
-                break;
-            }
-        }
-    }
-
-    public Thread thread() {
-        return thread;
-    }
-    public Thread start() {
-        if (thread == null) {
-            thread = new Thread(() -> run(false), "Event loop #" + hashCode());
-            thread.start();
-        }
-        return thread;
-    }
-    public void stop() {
-        if (thread != null) thread.interrupt();
-        thread = null;
-    }
-
-    public boolean inLoopThread() {
-        return Thread.currentThread() == thread;
-    }
-    public boolean isRunning() {
-        return this.thread != null;
-    }
-
-    public DataNotifier<Object> pushMsg(boolean micro, Environment env, FunctionValue func, Object thisArg, Object ...args) {
-        return pushMsg(() -> {
-            return func.call(new Context(env), thisArg, args);
-        }, micro);
-    }
-    public DataNotifier<Object> pushMsg(boolean micro, Environment env, Filename filename, String raw, Object thisArg, Object ...args) {
-        return pushMsg(() -> {
-            var ctx = new Context(env);
-            return ctx.compile(filename, raw).call(new Context(env), thisArg, args);
-        }, micro);
-    }
-
-    public Engine() {
-    }
-}

src/java/me/topchetoeu/jscript/core/Environment.java

@@ -1,92 +0,0 @@
-package me.topchetoeu.jscript.core;
-
-import java.util.HashMap;
-
-import me.topchetoeu.jscript.core.scope.GlobalScope;
-import me.topchetoeu.jscript.core.values.FunctionValue;
-import me.topchetoeu.jscript.core.values.NativeFunction;
-import me.topchetoeu.jscript.core.values.ObjectValue;
-import me.topchetoeu.jscript.core.exceptions.EngineException;
-import me.topchetoeu.jscript.utils.interop.NativeWrapperProvider;
-
-@SuppressWarnings("unchecked")
-public class Environment implements Extensions {
-    public static final Key<Compiler> COMPILE_FUNC = new Key<>();
-
-    public static final Key<FunctionValue> REGEX_CONSTR = new Key<>();
-    public static final Key<Integer> MAX_STACK_COUNT = new Key<>();
-    public static final Key<Boolean> HIDE_STACK = new Key<>();
-
-    public static final Key<ObjectValue> OBJECT_PROTO = new Key<>();
-    public static final Key<ObjectValue> FUNCTION_PROTO = new Key<>();
-    public static final Key<ObjectValue> ARRAY_PROTO = new Key<>();
-    public static final Key<ObjectValue> BOOL_PROTO = new Key<>();
-    public static final Key<ObjectValue> NUMBER_PROTO = new Key<>();
-    public static final Key<ObjectValue> STRING_PROTO = new Key<>();
-    public static final Key<ObjectValue> SYMBOL_PROTO = new Key<>();
-    public static final Key<ObjectValue> ERROR_PROTO = new Key<>();
-    public static final Key<ObjectValue> SYNTAX_ERR_PROTO = new Key<>();
-    public static final Key<ObjectValue> TYPE_ERR_PROTO = new Key<>();
-    public static final Key<ObjectValue> RANGE_ERR_PROTO = new Key<>();
-
-    private HashMap<Key<?>, Object> data = new HashMap<>();
-
-    public GlobalScope global;
-    public WrapperProvider wrappers;
-
-    @Override public <T> void add(Key<T> key, T obj) {
-        data.put(key, obj);
-    }
-    @Override public <T> T get(Key<T> key) {
-        return (T)data.get(key);
-    }
-    @Override public boolean remove(Key<?> key) {
-        if (data.containsKey(key)) {
-            data.remove(key);
-            return true;
-        }
-        return false;
-    }
-    @Override public boolean has(Key<?> key) {
-        return data.containsKey(key);
-    }
-    @Override public Iterable<Key<?>> keys() {
-        return data.keySet();
-    }
-
-    public static FunctionValue regexConstructor(Extensions ext) {
-        return ext.init(REGEX_CONSTR, new NativeFunction("RegExp", args -> {
-            throw EngineException.ofError("Regular expressions not supported.").setCtx(args.ctx);
-        }));
-    }
-
-    public Environment copy() {
-        var res = new Environment(null, global);
-
-        res.wrappers = wrappers.fork(res);
-        res.global = global;
-        res.data.putAll(data);
-
-        return res;
-    }
-    public Environment child() {
-        var res = copy();
-        res.global = res.global.globalChild();
-        return res;
-    }
-
-    public Context context() {
-        return new Context(this);
-    }
-
-    public Environment(WrapperProvider nativeConverter, GlobalScope global) {
-        if (nativeConverter == null) nativeConverter = new NativeWrapperProvider(this);
-        if (global == null) global = new GlobalScope();
-
-        this.wrappers = nativeConverter;
-        this.global = global;
-    }
-    public Environment() {
-        this(null, null);
-    }
-}

src/java/me/topchetoeu/jscript/core/EventLoop.java

@@ -1,23 +0,0 @@
-package me.topchetoeu.jscript.core;
-
-import me.topchetoeu.jscript.common.ResultRunnable;
-import me.topchetoeu.jscript.common.events.DataNotifier;
-import me.topchetoeu.jscript.core.exceptions.EngineException;
-
-public interface EventLoop {
-    public static final Key<EventLoop> KEY = new Key<>();
-
-    public static EventLoop get(Extensions ext) {
-        if (ext.hasNotNull(KEY)) return ext.get(KEY);
-        else return new EventLoop() {
-            @Override public <T> DataNotifier<T> pushMsg(ResultRunnable<T> runnable, boolean micro) {
-                throw EngineException.ofError("No event loop attached to environment.");
-            }
-        };
-    }
-
-    public <T> DataNotifier<T> pushMsg(ResultRunnable<T> runnable, boolean micro);
-    public default DataNotifier<Void> pushMsg(Runnable runnable, boolean micro) {
-        return pushMsg(() -> { runnable.run(); return null; }, micro);
-    }
-}

src/java/me/topchetoeu/jscript/core/Extensions.java

@@ -1,38 +0,0 @@
-package me.topchetoeu.jscript.core;
-
-public interface Extensions {
-    <T> T get(Key<T> key);
-    <T> void add(Key<T> key, T obj);
-    Iterable<Key<?>> keys();
-
-    boolean has(Key<?> key);
-    boolean remove(Key<?> key);
-
-    default void add(Key<Void> key) {
-        add(key, null);
-    }
-
-    default boolean hasNotNull(Key<?> key) {
-        return has(key) && get(key) != null;
-    }
-
-    default <T> T get(Key<T> key, T defaultVal) {
-        if (has(key)) return get(key);
-        else return defaultVal;
-    }
-
-    default <T> T init(Key<T> key, T val) {
-        if (has(key)) return get(key);
-        else {
-            add(key, val);
-            return val;
-        }
-    }
-    @SuppressWarnings("unchecked")
-    default void addAll(Extensions source) {
-        if (source == null) return;
-        for (var key : source.keys()) {
-            add((Key<Object>)key, (Object)source.get(key));
-        }
-    }
-}

src/java/me/topchetoeu/jscript/core/Frame.java

@@ -1,329 +0,0 @@
-package me.topchetoeu.jscript.core;
-
-import java.util.List;
-import java.util.Stack;
-
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.core.debug.DebugContext;
-import me.topchetoeu.jscript.core.scope.LocalScope;
-import me.topchetoeu.jscript.core.scope.ValueVariable;
-import me.topchetoeu.jscript.core.values.ArrayValue;
-import me.topchetoeu.jscript.core.values.CodeFunction;
-import me.topchetoeu.jscript.core.values.ObjectValue;
-import me.topchetoeu.jscript.core.values.ScopeValue;
-import me.topchetoeu.jscript.core.values.Values;
-import me.topchetoeu.jscript.core.exceptions.EngineException;
-import me.topchetoeu.jscript.core.exceptions.InterruptException;
-
-public class Frame {
-    public static enum TryState {
-        TRY,
-        CATCH,
-        FINALLY,
-    }
-
-    public static class TryCtx {
-        public final int start, end, catchStart, finallyStart;
-        public final int restoreStackPtr;
-        public final TryState state;
-        public final EngineException error;
-        public final PendingResult result;
-
-        public boolean hasCatch() { return catchStart >= 0; }
-        public boolean hasFinally() { return finallyStart >= 0; }
-
-        public boolean inBounds(int ptr) {
-            return ptr >= start && ptr < end;
-        }
-
-        public void setCause(EngineException target) {
-            if (error != null) target.setCause(error);
-        }
-        public TryCtx _catch(EngineException e) {
-            return new TryCtx(TryState.CATCH, e, result, restoreStackPtr, start, end, -1, finallyStart);
-        }
-        public TryCtx _finally(PendingResult res) {
-            return new TryCtx(TryState.FINALLY, error, res, restoreStackPtr, start, end, -1, -1);
-        }
-
-        public TryCtx(TryState state, EngineException err, PendingResult res, int stackPtr, int start, int end, int catchStart, int finallyStart) {
-            this.catchStart = catchStart;
-            this.finallyStart = finallyStart;
-            this.restoreStackPtr = stackPtr;
-            this.result = res == null ? PendingResult.ofNone() : res;
-            this.state = state;
-            this.start = start;
-            this.end = end;
-            this.error = err;
-        }
-    }
-
-    private static class PendingResult {
-        public final boolean isReturn, isJump, isThrow;
-        public final Object value;
-        public final EngineException error;
-        public final int ptr;
-        public final Instruction instruction;
-
-        private PendingResult(Instruction instr, boolean isReturn, boolean isJump, boolean isThrow, Object value, EngineException error, int ptr) {
-            this.instruction = instr;
-            this.isReturn = isReturn;
-            this.isJump = isJump;
-            this.isThrow = isThrow;
-            this.value = value;
-            this.error = error;
-            this.ptr = ptr;
-        }
-
-        public static PendingResult ofNone() {
-            return new PendingResult(null, false, false, false, null, null, 0);
-        }
-        public static PendingResult ofReturn(Object value, Instruction instr) {
-            return new PendingResult(instr, true, false, false, value, null, 0);
-        }
-        public static PendingResult ofThrow(EngineException error, Instruction instr) {
-            return new PendingResult(instr, false, false, true, null, error, 0);
-        }
-        public static PendingResult ofJump(int codePtr, Instruction instr) {
-            return new PendingResult(instr, false, true, false, null, null, codePtr);
-        }
-    }
-
-    public final LocalScope scope;
-    public final Object thisArg;
-    public final Object[] args;
-    public final Stack<TryCtx> tryStack = new Stack<>();
-    public final CodeFunction function;
-    public final Context ctx;
-    public Object[] stack = new Object[32];
-    public int stackPtr = 0;
-    public int codePtr = 0;
-    public boolean jumpFlag = false, popTryFlag = false;
-
-    public void addTry(int start, int end, int catchStart, int finallyStart) {
-        var err = tryStack.empty() ? null : tryStack.peek().error;
-        var res = new TryCtx(TryState.TRY, err, null, stackPtr, start, end, catchStart, finallyStart);
-
-        tryStack.add(res);
-    }
-
-    public Object peek() {
-        return peek(0);
-    }
-    public Object peek(int offset) {
-        if (stackPtr <= offset) return null;
-        else return stack[stackPtr - 1 - offset];
-    }
-    public Object pop() {
-        if (stackPtr == 0) return null;
-        return stack[--stackPtr];
-    }
-    public Object[] take(int n) {
-        int srcI = stackPtr - n;
-        if (srcI < 0) srcI = 0;
-
-        int dstI = n + srcI - stackPtr;
-        int copyN = stackPtr - srcI;
-
-        Object[] res = new Object[n];
-        System.arraycopy(stack, srcI, res, dstI, copyN);
-        stackPtr -= copyN;
-
-        return res;
-    }
-    public void push(Object val) {
-        if (stack.length <= stackPtr) {
-            var newStack = new Object[stack.length * 2];
-            System.arraycopy(stack, 0, newStack, 0, stack.length);
-            stack = newStack;
-        }
-        stack[stackPtr++] = Values.normalize(ctx, val);
-    }
-
-    public Object next(Object value, Object returnValue, EngineException error) {
-        if (value != Values.NO_RETURN) push(value);
-
-        Instruction instr = null;
-        if (codePtr >= 0 && codePtr < function.body.instructions.length) instr = function.body.instructions[codePtr];
-
-        if (returnValue == Values.NO_RETURN && error == null) {
-            try {
-                if (Thread.currentThread().isInterrupted()) throw new InterruptException();
-
-                if (instr == null) returnValue = null;
-                else {
-                    DebugContext.get(ctx).onInstruction(ctx, this, instr, Values.NO_RETURN, null, false);
-
-                    try {
-                        this.jumpFlag = this.popTryFlag = false;
-                        returnValue = InstructionRunner.exec(ctx, instr, this);
-                    }
-                    catch (EngineException e) {
-                        error = e.add(ctx, function.name, DebugContext.get(ctx).getMapOrEmpty(function).toLocation(codePtr, true));
-                    }
-                }
-            }
-            catch (EngineException e) { error = e; }
-        }
-
-        while (!tryStack.empty()) {
-            var tryCtx = tryStack.peek();
-            TryCtx newCtx = null;
-
-            if (error != null) {
-                tryCtx.setCause(error);
-                if (tryCtx.hasCatch()) newCtx = tryCtx._catch(error);
-                else if (tryCtx.hasFinally()) newCtx = tryCtx._finally(PendingResult.ofThrow(error, instr));
-            }
-            else if (returnValue != Values.NO_RETURN) {
-                if (tryCtx.hasFinally()) newCtx = tryCtx._finally(PendingResult.ofReturn(returnValue, instr));
-            }
-            else if (jumpFlag && !tryCtx.inBounds(codePtr)) {
-                if (tryCtx.hasFinally()) newCtx = tryCtx._finally(PendingResult.ofJump(codePtr, instr));
-            }
-            else if (!this.popTryFlag) newCtx = tryCtx;
-
-            if (newCtx != null) {
-                if (newCtx != tryCtx) {
-                    switch (newCtx.state) {
-                        case CATCH:
-                            if (tryCtx.state != TryState.CATCH) scope.catchVars.add(new ValueVariable(false, error.value));
-                            codePtr = tryCtx.catchStart;
-                            stackPtr = tryCtx.restoreStackPtr;
-                            break;
-                        case FINALLY:
-                            if (tryCtx.state == TryState.CATCH) scope.catchVars.remove(scope.catchVars.size() - 1);
-                            codePtr = tryCtx.finallyStart;
-                            stackPtr = tryCtx.restoreStackPtr;
-                        default:
-                    }
-
-                    tryStack.pop();
-                    tryStack.push(newCtx);
-                }
-                error = null;
-                returnValue = Values.NO_RETURN;
-                break;
-            }
-            else {
-                popTryFlag = false;
-                if (tryCtx.state == TryState.CATCH) scope.catchVars.remove(scope.catchVars.size() - 1);
-
-                if (tryCtx.state != TryState.FINALLY && tryCtx.hasFinally()) {
-                    codePtr = tryCtx.finallyStart;
-                    stackPtr = tryCtx.restoreStackPtr;
-                    tryStack.pop();
-                    tryStack.push(tryCtx._finally(null));
-                    break;
-                }
-                else {
-                    tryStack.pop();
-                    codePtr = tryCtx.end;
-                    if (tryCtx.result.instruction != null) instr = tryCtx.result.instruction;
-                    if (!jumpFlag && returnValue == Values.NO_RETURN && error == null) {
-                        if (tryCtx.result.isJump) {
-                            codePtr = tryCtx.result.ptr;
-                            jumpFlag = true;
-                        }
-                        if (tryCtx.result.isReturn) returnValue = tryCtx.result.value;
-                        if (error == null && tryCtx.result.isThrow) {
-                            error = tryCtx.result.error;
-                        }
-                    }
-                    if (error != null) tryCtx.setCause(error);
-                    continue;
-                }
-            }
-        }
-
-        if (error != null) {
-            var caught = false;
-
-            for (var frame : ctx.frames()) {
-                for (var tryCtx : frame.tryStack) {
-                    if (tryCtx.state == TryState.TRY) caught = true;
-                }
-            }
-
-            DebugContext.get(ctx).onInstruction(ctx, this, instr, null, error, caught);
-            throw error;
-        }
-        if (returnValue != Values.NO_RETURN) {
-            DebugContext.get(ctx).onInstruction(ctx, this, instr, returnValue, null, false);
-            return returnValue;
-        }
-
-        return Values.NO_RETURN;
-    }
-
-    public void onPush() {
-        DebugContext.get(ctx).onFramePush(ctx, this);
-    }
-    public void onPop() {
-        DebugContext.get(ctx.parent).onFramePop(ctx.parent, this);
-    }
-
-    public ObjectValue getLocalScope() {
-        var names = new String[scope.locals.length];
-        var map = DebugContext.get(ctx).getMapOrEmpty(function);
-
-        for (int i = 0; i < scope.locals.length; i++) {
-            var name = "local_" + (i - 2);
-
-            if (i == 0) name = "this";
-            else if (i == 1) name = "arguments";
-            else if (i < map.localNames.length) name = map.localNames[i];
-
-            names[i] = name;
-        }
-
-        return new ScopeValue(scope.locals, names);
-    }
-    public ObjectValue getCaptureScope() {
-        var names = new String[scope.captures.length];
-        var map = DebugContext.get(ctx).getMapOrEmpty(function);
-
-        for (int i = 0; i < scope.captures.length; i++) {
-            var name = "capture_" + (i - 2);
-            if (i < map.captureNames.length) name = map.captureNames[i];
-            names[i] = name;
-        }
-
-        return new ScopeValue(scope.captures, names);
-    }
-    public ObjectValue getValStackScope() {
-        return new ObjectValue() {
-            @Override
-            protected Object getField(Context ctx, Object key) {
-                var i = (int)Values.toNumber(ctx, key);
-                if (i < 0 || i >= stackPtr) return null;
-                else return stack[i];
-            }
-            @Override
-            protected boolean hasField(Context ctx, Object key) {
-                return true;
-            }
-            @Override
-            public List<Object> keys(boolean includeNonEnumerable) {
-                var res = super.keys(includeNonEnumerable);
-                for (var i = 0; i < stackPtr; i++) res.add(i);
-                return res;
-            }
-        };
-    }
-
-    public Frame(Context ctx, Object thisArg, Object[] args, CodeFunction func) {
-        this.args = args.clone();
-        this.scope = new LocalScope(func.body.localsN, func.captures);
-        this.scope.get(0).set(null, thisArg);
-        var argsObj = new ArrayValue();
-        for (var i = 0; i < args.length; i++) {
-            argsObj.set(ctx, i, args[i]);
-        }
-        this.scope.get(1).value = argsObj;
-
-        this.thisArg = thisArg;
-        this.function = func;
-        this.ctx = ctx.pushFrame(this);
-    }
-}

src/java/me/topchetoeu/jscript/core/InstructionRunner.java

@@ -1,329 +0,0 @@
-package me.topchetoeu.jscript.core;
-
-import java.util.Collections;
-
-import me.topchetoeu.jscript.core.scope.ValueVariable;
-import me.topchetoeu.jscript.core.values.ArrayValue;
-import me.topchetoeu.jscript.core.values.CodeFunction;
-import me.topchetoeu.jscript.core.values.FunctionValue;
-import me.topchetoeu.jscript.core.values.ObjectValue;
-import me.topchetoeu.jscript.core.values.Symbol;
-import me.topchetoeu.jscript.core.values.Values;
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.common.Operation;
-import me.topchetoeu.jscript.core.exceptions.EngineException;
-
-public class InstructionRunner {
-    private static Object execReturn(Context ctx, Instruction instr, Frame frame) {
-        return frame.pop();
-    }
-    private static Object execThrow(Context ctx, Instruction instr, Frame frame) {
-        throw new EngineException(frame.pop());
-    }
-    private static Object execThrowSyntax(Context ctx, Instruction instr, Frame frame) {
-        throw EngineException.ofSyntax((String)instr.get(0));
-    }
-
-    private static Object execCall(Context ctx, Instruction instr, Frame frame) {
-        var callArgs = frame.take(instr.get(0));
-        var func = frame.pop();
-        var thisArg = frame.pop();
-
-        frame.push(Values.call(ctx, func, thisArg, callArgs));
-
-        frame.codePtr++;
-        return Values.NO_RETURN;
-    }
-    private static Object execCallNew(Context ctx, Instruction instr, Frame frame) {
-        var callArgs = frame.take(instr.get(0));
-        var funcObj = frame.pop();
-
-        frame.push(Values.callNew(ctx, funcObj, callArgs));
-
-        frame.codePtr++;
-        return Values.NO_RETURN;
-    }
-
-    private static Object execMakeVar(Context ctx, Instruction instr, Frame frame) {
-        var name = (String)instr.get(0);
-        ctx.environment.global.define(name);
-        frame.codePtr++;
-        return Values.NO_RETURN;
-    }
-    private static Object execDefProp(Context ctx, Instruction instr, Frame frame) {
-        var setter = frame.pop();
-        var getter = frame.pop();
-        var name = frame.pop();
-        var obj = frame.pop();
-
-        if (getter != null && !(getter instanceof FunctionValue)) throw EngineException.ofType("Getter must be a function or undefined.");
-        if (setter != null && !(setter instanceof FunctionValue)) throw EngineException.ofType("Setter must be a function or undefined.");
-        if (!(obj instanceof ObjectValue)) throw EngineException.ofType("Property apply target must be an object.");
-        ((ObjectValue)obj).defineProperty(ctx, name, (FunctionValue)getter, (FunctionValue)setter, false, false);
-
-        frame.push(obj);
-        frame.codePtr++;
-        return Values.NO_RETURN;
-    }
-    private static Object execKeys(Context ctx, Instruction instr, Frame frame) {
-        var val = frame.pop();
-
-        var members = Values.getMembers(ctx, val, false, false);
-        Collections.reverse(members);
-
-        frame.push(null);
-
-        for (var el : members) {
-            if (el instanceof Symbol) continue;
-            var obj = new ObjectValue();
-            obj.defineProperty(ctx, "value", el);
-            frame.push(obj);
-        }
-
-        frame.codePtr++;
-        return Values.NO_RETURN;
-    }
-
-    private static Object execTryStart(Context ctx, Instruction instr, Frame frame) {
-        int start = frame.codePtr + 1;
-        int catchStart = (int)instr.get(0);
-        int finallyStart = (int)instr.get(1);
-        if (finallyStart >= 0) finallyStart += start;
-        if (catchStart >= 0) catchStart += start;
-        int end = (int)instr.get(2) + start;
-        frame.addTry(start, end, catchStart, finallyStart);
-        frame.codePtr++;
-        return Values.NO_RETURN;
-    }
-    private static Object execTryEnd(Context ctx, Instruction instr, Frame frame) {
-        frame.popTryFlag = true;
-        return Values.NO_RETURN;
-    }
-
-    private static Object execDup(Context ctx, Instruction instr, Frame frame) {
-        int count = instr.get(0);
-
-        for (var i = 0; i < count; i++) {
-            frame.push(frame.peek(count - 1));
-        }
-
-        frame.codePtr++;
-        return Values.NO_RETURN;
-    }
-    private static Object execLoadValue(Context ctx, Instruction instr, Frame frame) {
-        switch (instr.type) {
-            case PUSH_UNDEFINED: frame.push(null); break;
-            case PUSH_NULL: frame.push(Values.NULL); break;
-            default: frame.push(instr.get(0)); break;
-        }
-
-        frame.codePtr++;
-        return Values.NO_RETURN;
-    }
-    private static Object execLoadVar(Context ctx, Instruction instr, Frame frame) {
-        var i = instr.get(0);
-
-        if (i instanceof String) frame.push(ctx.environment.global.get(ctx, (String)i));
-        else frame.push(frame.scope.get((int)i).get(ctx));
-
-        frame.codePtr++;
-        return Values.NO_RETURN;
-    }
-    private static Object execLoadObj(Context ctx, Instruction instr, Frame frame) {
-        frame.push(new ObjectValue());
-        frame.codePtr++;
-        return Values.NO_RETURN;
-    }
-    private static Object execLoadGlob(Context ctx, Instruction instr, Frame frame) {
-        frame.push(ctx.environment.global.obj);
-        frame.codePtr++;
-        return Values.NO_RETURN;
-    }
-    private static Object execLoadArr(Context ctx, Instruction instr, Frame frame) {
-        var res = new ArrayValue();
-        res.setSize(instr.get(0));
-        frame.push(res);
-        frame.codePtr++;
-        return Values.NO_RETURN;
-    }
-    private static Object execLoadFunc(Context ctx, Instruction instr, Frame frame) {
-        int id = instr.get(0);
-        var captures = new ValueVariable[instr.params.length - 1];
-
-        for (var i = 1; i < instr.params.length; i++) {
-            captures[i - 1] = frame.scope.get(instr.get(i));
-        }
-
-        var func = new CodeFunction(ctx.environment, "", frame.function.body.children[id], captures);
-
-        frame.push(func);
-
-        frame.codePtr++;
-        return Values.NO_RETURN;
-    }
-    private static Object execLoadMember(Context ctx, Instruction instr, Frame frame) {
-        var key = frame.pop();
-        var obj = frame.pop();
-
-        try {
-            frame.push(Values.getMember(ctx, obj, key));
-        }
-        catch (IllegalArgumentException e) {
-            throw EngineException.ofType(e.getMessage());
-        }
-        frame.codePtr++;
-        return Values.NO_RETURN;
-    }
-    private static Object execLoadRegEx(Context ctx, Instruction instr, Frame frame) {
-        if (ctx.hasNotNull(Environment.REGEX_CONSTR)) {
-            frame.push(Values.callNew(ctx, ctx.get(Environment.REGEX_CONSTR), instr.get(0), instr.get(1)));
-        }
-        else {
-            throw EngineException.ofSyntax("Regex is not supported.");
-        }
-        frame.codePtr++;
-        return Values.NO_RETURN;
-    }
-
-    private static Object execDiscard(Context ctx, Instruction instr, Frame frame) {
-        frame.pop();
-        frame.codePtr++;
-        return Values.NO_RETURN;
-    }
-    private static Object execStoreMember(Context ctx, Instruction instr, Frame frame) {
-        var val = frame.pop();
-        var key = frame.pop();
-        var obj = frame.pop();
-
-        if (!Values.setMember(ctx, obj, key, val)) throw EngineException.ofSyntax("Can't set member '" + key + "'.");
-        if ((boolean)instr.get(0)) frame.push(val);
-        frame.codePtr++;
-        return Values.NO_RETURN;
-    }
-    private static Object execStoreVar(Context ctx, Instruction instr, Frame frame) {
-        var val = (boolean)instr.get(1) ? frame.peek() : frame.pop();
-        var i = instr.get(0);
-
-        if (i instanceof String) ctx.environment.global.set(ctx, (String)i, val);
-        else frame.scope.get((int)i).set(ctx, val);
-
-        frame.codePtr++;
-        return Values.NO_RETURN;
-    }
-    private static Object execStoreSelfFunc(Context ctx, Instruction instr, Frame frame) {
-        frame.scope.locals[(int)instr.get(0)].set(ctx, frame.function);
-        frame.codePtr++;
-        return Values.NO_RETURN;
-    }
-    
-    private static Object execJmp(Context ctx, Instruction instr, Frame frame) {
-        frame.codePtr += (int)instr.get(0);
-        frame.jumpFlag = true;
-        return Values.NO_RETURN;
-    }
-    private static Object execJmpIf(Context ctx, Instruction instr, Frame frame) {
-        if (Values.toBoolean(frame.pop())) {
-            frame.codePtr += (int)instr.get(0);
-            frame.jumpFlag = true;
-        }
-        else frame.codePtr ++;
-        return Values.NO_RETURN;
-    }
-    private static Object execJmpIfNot(Context ctx, Instruction instr, Frame frame) {
-        if (Values.not(frame.pop())) {
-            frame.codePtr += (int)instr.get(0);
-            frame.jumpFlag = true;
-        }
-        else frame.codePtr ++;
-        return Values.NO_RETURN;
-    }
-
-    private static Object execTypeof(Context ctx, Instruction instr, Frame frame) {
-        String name = instr.get(0);
-        Object obj;
-
-        if (name != null) {
-            if (ctx.environment.global.has(ctx, name)) {
-                obj = ctx.environment.global.get(ctx, name);
-            }
-            else obj = null;
-        }
-        else obj = frame.pop();
-
-        frame.push(Values.type(obj));
-
-        frame.codePtr++;
-        return Values.NO_RETURN;
-    }
-    private static Object execNop(Context ctx, Instruction instr, Frame frame) {
-        frame.codePtr++;
-        return Values.NO_RETURN;
-    }
-
-    private static Object execDelete(Context ctx, Instruction instr, Frame frame) {
-        var key = frame.pop();
-        var val = frame.pop();
-
-        if (!Values.deleteMember(ctx, val, key)) throw EngineException.ofSyntax("Can't delete member '" + key + "'.");
-        frame.codePtr++;
-        return Values.NO_RETURN;
-    }
-
-    private static Object execOperation(Context ctx, Instruction instr, Frame frame) {
-        Operation op = instr.get(0);
-        var args = new Object[op.operands];
-
-        for (var i = op.operands - 1; i >= 0; i--) args[i] = frame.pop();
-
-        frame.push(Values.operation(ctx, op, args));
-        frame.codePtr++;
-        return Values.NO_RETURN;
-    }
-
-    public static Object exec(Context ctx, Instruction instr, Frame frame) {
-        switch (instr.type) {
-            case NOP: return execNop(ctx, instr, frame);
-            case RETURN: return execReturn(ctx, instr, frame);
-            case THROW: return execThrow(ctx, instr, frame);
-            case THROW_SYNTAX: return execThrowSyntax(ctx, instr, frame);
-            case CALL: return execCall(ctx, instr, frame);
-            case CALL_NEW: return execCallNew(ctx, instr, frame);
-            case TRY_START: return execTryStart(ctx, instr, frame);
-            case TRY_END: return execTryEnd(ctx, instr, frame);
-
-            case DUP: return execDup(ctx, instr, frame);
-            case PUSH_UNDEFINED:
-            case PUSH_NULL:
-            case PUSH_STRING:
-            case PUSH_NUMBER:
-            case PUSH_BOOL:
-                return execLoadValue(ctx, instr, frame);
-            case LOAD_VAR: return execLoadVar(ctx, instr, frame);
-            case LOAD_OBJ: return execLoadObj(ctx, instr, frame);
-            case LOAD_ARR: return execLoadArr(ctx, instr, frame);
-            case LOAD_FUNC: return execLoadFunc(ctx, instr, frame);
-            case LOAD_MEMBER: return execLoadMember(ctx, instr, frame);
-            case LOAD_REGEX: return execLoadRegEx(ctx, instr, frame);
-            case LOAD_GLOB: return execLoadGlob(ctx, instr, frame);
-
-            case DISCARD: return execDiscard(ctx, instr, frame);
-            case STORE_MEMBER: return execStoreMember(ctx, instr, frame);
-            case STORE_VAR: return execStoreVar(ctx, instr, frame);
-            case STORE_SELF_FUNC: return execStoreSelfFunc(ctx, instr, frame);
-            case MAKE_VAR: return execMakeVar(ctx, instr, frame);
-
-            case KEYS: return execKeys(ctx, instr, frame);
-            case DEF_PROP: return execDefProp(ctx, instr, frame);
-            case TYPEOF: return execTypeof(ctx, instr, frame);
-            case DELETE: return execDelete(ctx, instr, frame);
-
-            case JMP: return execJmp(ctx, instr, frame);
-            case JMP_IF: return execJmpIf(ctx, instr, frame);
-            case JMP_IFN: return execJmpIfNot(ctx, instr, frame);
-
-            case OPERATION: return execOperation(ctx, instr, frame);
-
-            default: throw EngineException.ofSyntax("Invalid instruction " + instr.type.name() + ".");
-        }
-    }
-}

src/java/me/topchetoeu/jscript/core/Key.java

@@ -1,5 +0,0 @@
-package me.topchetoeu.jscript.core;
-
-public class Key<T> {
-    
-}

src/java/me/topchetoeu/jscript/core/WrapperProvider.java

@@ -1,12 +0,0 @@
-package me.topchetoeu.jscript.core;
-
-import me.topchetoeu.jscript.core.values.FunctionValue;
-import me.topchetoeu.jscript.core.values.ObjectValue;
-
-public interface WrapperProvider {
-    public ObjectValue getProto(Class<?> obj);
-    public ObjectValue getNamespace(Class<?> obj);
-    public FunctionValue getConstr(Class<?> obj);
-
-    public WrapperProvider fork(Environment env);
-}

src/java/me/topchetoeu/jscript/core/debug/DebugContext.java

@@ -1,133 +0,0 @@
-package me.topchetoeu.jscript.core.debug;
-
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.WeakHashMap;
-
-import me.topchetoeu.jscript.common.Filename;
-import me.topchetoeu.jscript.common.FunctionBody;
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.common.mapping.FunctionMap;
-import me.topchetoeu.jscript.core.Context;
-import me.topchetoeu.jscript.core.Extensions;
-import me.topchetoeu.jscript.core.Frame;
-import me.topchetoeu.jscript.core.Key;
-import me.topchetoeu.jscript.core.values.CodeFunction;
-import me.topchetoeu.jscript.core.values.FunctionValue;
-import me.topchetoeu.jscript.core.exceptions.EngineException;
-
-public class DebugContext {
-    public static final Key<DebugContext> KEY = new Key<>();
-    public static final Key<Void> IGNORE = new Key<>();
-
-    private HashMap<Filename, String> sources;
-    private WeakHashMap<FunctionBody, FunctionMap> maps;
-    private DebugHandler debugger;
-
-    public boolean attachDebugger(DebugHandler debugger) {
-        if (this.debugger != null) return false;
-
-        if (sources != null) {
-            for (var source : sources.entrySet()) debugger.onSourceLoad(source.getKey(), source.getValue());
-        }
-
-        this.debugger = debugger;
-        return true;
-    }
-    public boolean detachDebugger() {
-        this.debugger = null;
-        return true;
-    }
-
-    public DebugHandler debugger() {
-        if (debugger == null) return DebugHandler.empty();
-        else return debugger;
-    }
-
-    public FunctionMap getMap(FunctionBody func) {
-        if (maps == null) return null;
-        return maps.get(func);
-    }
-    public FunctionMap getMap(FunctionValue func) {
-        if (maps == null || !(func instanceof CodeFunction)) return null;
-        return getMap(((CodeFunction)func).body);
-    }
-    public FunctionMap getMapOrEmpty(FunctionBody func) {
-        if (maps == null) return FunctionMap.EMPTY;
-        var res = maps.get(func);
-        if (res == null) return FunctionMap.EMPTY;
-        else return res;
-    }
-    public FunctionMap getMapOrEmpty(FunctionValue func) {
-        if (maps == null || !(func instanceof CodeFunction)) return FunctionMap.EMPTY;
-        return getMapOrEmpty(((CodeFunction)func).body);
-    }
-
-    public void onFramePop(Context ctx, Frame frame) {
-        if (debugger != null) debugger.onFramePop(ctx, frame);
-    }
-    public void onFramePush(Context ctx, Frame frame) {
-        if (debugger != null) debugger.onFramePush(ctx, frame);
-    }
-    public boolean onInstruction(Context ctx, Frame frame, Instruction instruction, Object returnVal, EngineException error, boolean caught) {
-        if (debugger != null) return debugger.onInstruction(ctx, frame, instruction, returnVal, error, caught);
-        else return false;
-    }
-    public void onSource(Filename filename, String source) {
-        if (debugger != null) debugger.onSourceLoad(filename, source);
-        if (sources != null) sources.put(filename, source);
-    }
-    public void onFunctionLoad(FunctionBody func, FunctionMap map) {
-        if (maps != null) maps.put(func, map);
-        if (debugger != null) debugger.onFunctionLoad(func, map);
-    }
-
-    private DebugContext(boolean enabled) {
-        if (enabled) {
-            sources = new HashMap<>();
-            maps = new WeakHashMap<>();
-        }
-    }
-
-    public DebugContext() {
-        this(true);
-    }
-
-    public static boolean enabled(Extensions exts) {
-        return exts != null && exts.hasNotNull(KEY) && !exts.has(IGNORE);
-    }
-    public static DebugContext get(Extensions exts) {
-        if (enabled(exts)) return exts.get(KEY);
-        else return new DebugContext(false);
-    }
-
-    public static List<String> stackTrace(Context ctx) {
-        var res = new ArrayList<String>();
-        var dbgCtx = get(ctx);
-
-        for (var el : ctx.frames()) {
-            var name = el.function.name;
-
-            var map = dbgCtx.getMapOrEmpty(el.function);
-            Location loc = null;
-
-            if (map != null) {
-                loc = map.toLocation(el.codePtr, true);
-                if (loc == null) loc = map.start();
-            }
-
-            var trace = "";
-
-            if (loc != null) trace += "at " + loc.toString() + " ";
-            if (name != null && !name.equals("")) trace += "in " + name + " ";
-
-            trace = trace.trim();
-
-            if (!trace.equals("")) res.add(trace);
-        }
-
-        return res;
-    }
-}

src/java/me/topchetoeu/jscript/core/debug/DebugHandler.java

@@ -1,74 +0,0 @@
-package me.topchetoeu.jscript.core.debug;
-
-import me.topchetoeu.jscript.common.Filename;
-import me.topchetoeu.jscript.common.FunctionBody;
-import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.common.mapping.FunctionMap;
-import me.topchetoeu.jscript.core.Context;
-import me.topchetoeu.jscript.core.Frame;
-import me.topchetoeu.jscript.core.exceptions.EngineException;
-
-public interface DebugHandler {
-    /**
-     * Called when a script has been loaded
-     * @param filename The name of the source
-     * @param source The name of the source
-     * @param breakpoints A set of all the breakpointable locations in this source
-     * @param map The source map associated with this file. null if this source map isn't mapped
-     */
-    void onSourceLoad(Filename filename, String source);
-
-    /**
-     * Called when a function body has been loaded
-     * @param body The body loaded
-     * @param map The map of the function
-     */
-    void onFunctionLoad(FunctionBody body, FunctionMap map);
-
-    // /**
-    //  * Called when a function body has been loaded
-    //  * @param body The body loaded
-    //  * @param map The map of the function
-    //  */
-    // void onFunctionUnload(FunctionBody body, FunctionMap map);
-
-    /**
-     * Called immediatly before an instruction is executed, as well as after an instruction, if it has threw or returned.
-     * This function might pause in order to await debugging commands.
-     * @param ctx The context of execution
-     * @param frame The frame in which execution is occuring
-     * @param instruction The instruction which was or will be executed
-     * @param returnVal The return value of the instruction, Values.NO_RETURN if none
-     * @param error The error that the instruction threw, null if none
-     * @param caught Whether or not the error has been caught
-     * @return Whether or not the frame should restart (currently does nothing)
-     */
-    boolean onInstruction(Context ctx, Frame frame, Instruction instruction, Object returnVal, EngineException error, boolean caught);
-
-    /**
-     * Called immediatly before a frame has been pushed on the frame stack.
-     * This function might pause in order to await debugging commands.
-     * @param ctx The context of execution
-     * @param frame The code frame which was pushed
-     */
-    void onFramePush(Context ctx, Frame frame);
-    /**
-     * Called immediatly after a frame has been popped out of the frame stack.
-     * This function might pause in order to await debugging commands.
-     * @param ctx The context of execution
-     * @param frame The code frame which was popped out
-     */
-    void onFramePop(Context ctx, Frame frame);
-
-    public static DebugHandler empty() {
-        return new DebugHandler () {
-            @Override public void onFramePop(Context ctx, Frame frame) { }
-            @Override public void onFramePush(Context ctx, Frame frame) { }
-            @Override public boolean onInstruction(Context ctx, Frame frame, Instruction instruction, Object returnVal, EngineException error, boolean caught) {
-                return false;
-            }
-            @Override public void onSourceLoad(Filename filename, String source) { }
-            @Override public void onFunctionLoad(FunctionBody body, FunctionMap map) { }
-        };
-    }
-}

src/java/me/topchetoeu/jscript/core/exceptions/ConvertException.java

@@ -1,11 +0,0 @@
-package me.topchetoeu.jscript.core.exceptions;
-
-public class ConvertException extends RuntimeException {
-    public final String source, target;
-
-    public ConvertException(String source, String target) {
-        super(String.format("Cannot convert '%s' to '%s'.", source, target));
-        this.source = source;
-        this.target = target;
-    }
-}

src/java/me/topchetoeu/jscript/core/exceptions/EngineException.java

@@ -1,109 +0,0 @@
-package me.topchetoeu.jscript.core.exceptions;
-
-import java.util.ArrayList;
-import java.util.List;
-
-import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.core.Context;
-import me.topchetoeu.jscript.core.Environment;
-import me.topchetoeu.jscript.core.values.ObjectValue;
-import me.topchetoeu.jscript.core.values.Values;
-import me.topchetoeu.jscript.core.values.ObjectValue.PlaceholderProto;
-
-public class EngineException extends RuntimeException {
-    public static class StackElement {
-        public final Location location;
-        public final String name;
-        public final Context ctx;
-
-        public boolean visible() {
-            return ctx == null || !ctx.get(Environment.HIDE_STACK, false);
-        }
-        public String toString() {
-            var res = "";
-            var loc = location;
-
-            if (loc != null) res += "at " + loc.toString() + " ";
-            if (name != null && !name.equals("")) res += "in " + name + " ";
-
-            return res.trim();
-        }
-
-        public StackElement(Context ctx, Location location, String name) {
-            if (name != null) name = name.trim();
-            if (name.equals("")) name = null;
-
-            if (ctx == null) this.ctx = null;
-            else this.ctx = new Context(ctx.environment);
-            this.location = location;
-            this.name = name;
-        }
-    }
-
-    public final Object value;
-    public EngineException cause;
-    public Environment env = null;
-    public final List<StackElement> stackTrace = new ArrayList<>();
-
-    public EngineException add(Context ctx, String name, Location location) {
-        var el = new StackElement(ctx, location, name);
-        if (el.name == null && el.location == null) return this;
-        setCtx(ctx);
-        stackTrace.add(el);
-        return this;
-    }
-    public EngineException setCause(EngineException cause) {
-        this.cause = cause;
-        return this;
-    }
-    public EngineException setCtx(Context ctx) {
-        if (this.env == null) this.env = ctx.environment;
-        return this;
-    }
-
-    public String toString(Context ctx) {
-        var ss = new StringBuilder();
-        try {
-            ss.append(Values.toString(ctx, value)).append('\n');
-        }
-        catch (EngineException e) {
-            ss.append("[Error while stringifying]\n");
-        }
-        for (var line : stackTrace) {
-            if (line.visible()) ss.append("    ").append(line.toString()).append("\n");
-        }
-        if (cause != null) ss.append("Caused by ").append(cause.toString(ctx)).append('\n');
-        ss.deleteCharAt(ss.length() - 1);
-        return ss.toString();
-    }
-
-    private static Object err(String name, String msg, PlaceholderProto proto) {
-        var res = new ObjectValue(proto);
-        if (name != null) res.defineProperty(null, "name", name);
-        res.defineProperty(null, "message", msg);
-        return res;
-    }
-
-    public EngineException(Object error) {
-        super(error == null ? "null" : error.toString());
-
-        this.value = error;
-        this.cause = null;
-    }
-
-    public static EngineException ofError(String name, String msg) {
-        return new EngineException(err(name, msg, PlaceholderProto.ERROR));
-    }
-    public static EngineException ofError(String msg) {
-        return new EngineException(err(null, msg, PlaceholderProto.ERROR));
-    }
-    public static EngineException ofSyntax(String msg) {
-        return new EngineException(err(null, msg, PlaceholderProto.SYNTAX_ERROR));
-    }
-    public static EngineException ofType(String msg) {
-        return new EngineException(err(null, msg, PlaceholderProto.TYPE_ERROR));
-    }
-    public static EngineException ofRange(String msg) {
-        return new EngineException(err(null, msg, PlaceholderProto.RANGE_ERROR));
-    }
-}

src/java/me/topchetoeu/jscript/core/exceptions/InterruptException.java

@@ -1,8 +0,0 @@
-package me.topchetoeu.jscript.core.exceptions;
-
-public class InterruptException extends RuntimeException {
-    public InterruptException() { }
-    public InterruptException(Throwable e) {
-        super(e);
-    }
-}

src/java/me/topchetoeu/jscript/core/exceptions/SyntaxException.java

@@ -1,14 +0,0 @@
-package me.topchetoeu.jscript.core.exceptions;
-
-import me.topchetoeu.jscript.common.Location;
-
-public class SyntaxException extends RuntimeException {
-    public final Location loc;
-    public final String msg;
-
-    public SyntaxException(Location loc, String msg) {
-        super(String.format("Syntax error (at %s): %s", loc, msg));
-        this.loc = loc;
-        this.msg = msg;
-    }
-}

src/java/me/topchetoeu/jscript/core/scope/GlobalScope.java

@@ -1,80 +0,0 @@
-package me.topchetoeu.jscript.core.scope;
-
-import java.util.HashSet;
-import java.util.Set;
-
-import me.topchetoeu.jscript.common.ScopeRecord;
-import me.topchetoeu.jscript.core.Context;
-import me.topchetoeu.jscript.core.values.FunctionValue;
-import me.topchetoeu.jscript.core.values.NativeFunction;
-import me.topchetoeu.jscript.core.values.ObjectValue;
-import me.topchetoeu.jscript.core.values.Values;
-import me.topchetoeu.jscript.core.exceptions.EngineException;
-
-public class GlobalScope implements ScopeRecord {
-    public final ObjectValue obj;
-
-    public boolean has(Context ctx, String name) {
-        return Values.hasMember(null, obj, name, false);
-    }
-    public Object getKey(String name) {
-        return name;
-    }
-
-    public GlobalScope globalChild() {
-        var obj = new ObjectValue();
-        Values.setPrototype(null, obj, this.obj);
-        return new GlobalScope(obj);
-    }
-    public LocalScopeRecord child() {
-        return new LocalScopeRecord();
-    }
-
-    public Object define(String name) {
-        if (Values.hasMember(Context.NULL, obj, name, false)) return name;
-        obj.defineProperty(Context.NULL, name, null);
-        return name;
-    }
-    public void define(String name, Variable val) {
-        obj.defineProperty(Context.NULL, name,
-            new NativeFunction("get " + name, args -> val.get(args.ctx)),
-            new NativeFunction("set " + name, args -> { val.set(args.ctx, args.get(0)); return null; }),
-            true, true
-        );
-    }
-    public void define(Context ctx, String name, boolean readonly, Object val) {
-        obj.defineProperty(ctx, name, val, readonly, true, true);
-    }
-    public void define(String ...names) {
-        for (var n : names) define(n);
-    }
-    public void define(boolean readonly, FunctionValue val) {
-        define(null, val.name, readonly, val);
-    }
-
-    public Object get(Context ctx, String name) {
-        if (!Values.hasMember(ctx, obj, name, false)) throw EngineException.ofSyntax("The variable '" + name + "' doesn't exist.");
-        else return Values.getMember(ctx, obj, name);
-    }
-    public void set(Context ctx, String name, Object val) {
-        if (!Values.hasMember(ctx, obj, name, false)) throw EngineException.ofSyntax("The variable '" + name + "' doesn't exist.");
-        if (!Values.setMember(ctx, obj, name, val)) throw EngineException.ofSyntax("The global '" + name + "' is readonly.");
-    }
-
-    public Set<String> keys() {
-        var res = new HashSet<String>();
-
-        for (var key : keys()) {
-            if (key instanceof String) res.add((String)key);
-        }
-
-        return res;
-    }
-
-    public GlobalScope() {
-        this.obj = new ObjectValue();
-    }
-    public GlobalScope(ObjectValue val) {
-        this.obj = val;
-    }
-}

src/java/me/topchetoeu/jscript/core/scope/LocalScope.java

@@ -1,29 +0,0 @@
-package me.topchetoeu.jscript.core.scope;
-
-import java.util.ArrayList;
-
-public class LocalScope {
-    public final ValueVariable[] captures;
-    public final ValueVariable[] locals;
-    public final ArrayList<ValueVariable> catchVars = new ArrayList<>();
-
-    public ValueVariable get(int i) {
-        if (i >= locals.length) return catchVars.get(i - locals.length);
-        if (i >= 0) return locals[i];
-        else return captures[~i];
-    }
-
-
-    public int size() {
-        return captures.length + locals.length;
-    }
-
-    public LocalScope(int n, ValueVariable[] captures) {
-        locals = new ValueVariable[n];
-        this.captures = captures;
-
-        for (int i = 0; i < n; i++) {
-            locals[i] = new ValueVariable(false, null);
-        }
-    }
-}

src/java/me/topchetoeu/jscript/core/scope/LocalScopeRecord.java

@@ -1,79 +0,0 @@
-package me.topchetoeu.jscript.core.scope;
-
-import java.util.ArrayList;
-
-import me.topchetoeu.jscript.common.ScopeRecord;
-
-public class LocalScopeRecord implements ScopeRecord {
-    public final LocalScopeRecord parent;
-
-    private final ArrayList<String> captures = new ArrayList<>();
-    private final ArrayList<String> locals = new ArrayList<>();
-
-    public String[] captures() {
-        return captures.toArray(String[]::new);
-    }
-    public String[] locals() {
-        return locals.toArray(String[]::new);
-    }
-
-    public LocalScopeRecord child() {
-        return new LocalScopeRecord(this);
-    }
-
-    public int localsCount() {
-        return locals.size();
-    }
-    public int capturesCount() {
-        return captures.size();
-    }
-
-    public int[] getCaptures() {
-        var buff = new int[captures.size()];
-        var i = 0;
-
-        for (var name : captures) {
-            var index = parent.getKey(name);
-            if (index instanceof Integer) buff[i++] = (int)index;
-        }
-
-        var res = new int[i];
-        System.arraycopy(buff, 0, res, 0, i);
-
-        return res;
-    }
-
-    public Object getKey(String name) {
-        var capI = captures.indexOf(name);
-        var locI = locals.lastIndexOf(name);
-        if (locI >= 0) return locI;
-        if (capI >= 0) return ~capI;
-        if (parent != null) {
-            var res = parent.getKey(name);
-            if (res != null && res instanceof Integer) {
-                captures.add(name);
-                return -captures.size();
-            }
-        }
-
-        return name;
-    }
-    public Object define(String name, boolean force) {
-        if (!force && locals.contains(name)) return locals.indexOf(name);
-        locals.add(name);
-        return locals.size() - 1;
-    }
-    public Object define(String name) {
-        return define(name, false);
-    }
-    public void undefine() {
-        locals.remove(locals.size() - 1);
-    }
-
-    public LocalScopeRecord() {
-        this.parent = null;
-    }
-    public LocalScopeRecord(LocalScopeRecord parent) {
-        this.parent = parent;
-    }
-}

src/java/me/topchetoeu/jscript/core/scope/ValueVariable.java

@@ -1,28 +0,0 @@
-package me.topchetoeu.jscript.core.scope;
-
-import me.topchetoeu.jscript.core.Context;
-import me.topchetoeu.jscript.core.values.Values;
-
-public class ValueVariable implements Variable {
-    public boolean readonly;
-    public Object value;
-
-    @Override
-    public boolean readonly() { return readonly; }
-
-    @Override
-    public Object get(Context ctx) {
-        return value;
-    }
-
-    @Override
-    public void set(Context ctx, Object val) {
-        if (readonly) return;
-        this.value = Values.normalize(ctx, val);
-    }
-    
-    public ValueVariable(boolean readonly, Object val) {
-        this.readonly = readonly;
-        this.value = val;
-    }
-}

src/java/me/topchetoeu/jscript/core/scope/Variable.java

@@ -1,9 +0,0 @@
-package me.topchetoeu.jscript.core.scope;
-
-import me.topchetoeu.jscript.core.Context;
-
-public interface Variable {
-    Object get(Context ctx);
-    default boolean readonly() { return true; }
-    default void set(Context ctx, Object val) { }
-}

src/java/me/topchetoeu/jscript/core/values/ArrayValue.java

@@ -1,227 +0,0 @@
-package me.topchetoeu.jscript.core.values;
-
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.Comparator;
-import java.util.Iterator;
-import java.util.List;
-
-import me.topchetoeu.jscript.core.Context;
-
-// TODO: Make methods generic
-public class ArrayValue extends ObjectValue implements Iterable<Object> {
-    private static final Object UNDEFINED = new Object();
-    private Object[] values;
-    private int size;
-
-    private Object[] alloc(int index) {
-        index++;
-        if (index < values.length) return values;
-        if (index < values.length * 2) index = values.length * 2;
-
-        var arr = new Object[index];
-        System.arraycopy(values, 0, arr, 0, values.length);
-        return arr;
-    }
-
-    public int size() { return size; }
-    public boolean setSize(int val) {
-        if (val < 0) return false;
-        if (size > val) shrink(size - val);
-        else {
-            values = alloc(val);
-            size = val;
-        }
-        return true;
-    }
-
-    public Object get(int i) {
-        if (i < 0 || i >= size) return null;
-        var res = values[i];
-        if (res == UNDEFINED) return null;
-        else return res;
-    }
-    public void set(Context ctx, int i, Object val) {
-        if (i < 0) return;
-
-        values = alloc(i);
-
-        val = Values.normalize(ctx, val);
-        if (val == null) val = UNDEFINED;
-        values[i] = val;
-        if (i >= size) size = i + 1;
-    }
-    public boolean has(int i) {
-        return i >= 0 && i < size && values[i] != null;
-    }
-    public void remove(int i) {
-        if (i < 0 || i >= values.length) return;
-        values[i] = null;
-    }
-    public void shrink(int n) {
-        if (n >= values.length) {
-            values = new Object[16];
-            size = 0;
-        }
-        else {
-            for (int i = 0; i < n; i++) {
-                values[--size] = null;
-            }
-        }
-    }
-
-    public Object[] toArray() {
-        Object[] res = new Object[size];
-        copyTo(res, 0, 0, size);
-        return res;
-    }
-    public void copyTo(Object[] arr, int sourceStart, int destStart, int count) {
-        for (var i = 0; i < count; i++) {
-            if (i + sourceStart < 0 || i + sourceStart >= size) arr[i + destStart] = null;
-            if (values[i + sourceStart] == UNDEFINED) arr[i + destStart] = null;
-            else arr[i + sourceStart] = values[i + destStart];
-        }
-    }
-    public void copyTo(ArrayValue arr, int sourceStart, int destStart, int count) {
-        if (arr == this) {
-            move(sourceStart, destStart, count);
-            return;
-        }
-
-        // Iterate in reverse to reallocate at most once
-        if (destStart + count > arr.size) arr.size = destStart + count;
-
-        for (var i = count - 1; i >= 0; i--) {
-            if (i + sourceStart < 0 || i + sourceStart >= size) arr.remove(i + destStart);
-            if (values[i + sourceStart] == UNDEFINED) arr.set(null, i + destStart, null);
-            else if (values[i + sourceStart] == null) arr.remove(i + destStart);
-            else arr.set(null, i + destStart, values[i + sourceStart]);
-        }
-    }
-
-    public void copyFrom(Context ctx, Object[] arr, int sourceStart, int destStart, int count) {
-        for (var i = 0; i < count; i++) {
-            set(ctx, i + destStart, arr[i + sourceStart]);
-        }
-    }
-
-    public void move(int srcI, int dstI, int n) {
-        values = alloc(dstI + n);
-
-        System.arraycopy(values, srcI, values, dstI, n);
-
-        if (dstI + n >= size) size = dstI + n;
-    }
-
-    public void sort(Comparator<Object> comparator) {
-        Arrays.sort(values, 0, size, (a, b) -> {
-            var _a = 0;
-            var _b = 0;
-
-            if (a == UNDEFINED) _a = 1;
-            if (a == null) _a = 2;
-
-            if (b == UNDEFINED) _b = 1;
-            if (b == null) _b = 2;
-
-            if (_a != 0 || _b != 0) return Integer.compare(_a, _b);
-
-            return comparator.compare(a, b);
-        });
-    }
-
-    @Override
-    protected Object getField(Context ctx, Object key) {
-        if (key instanceof Number) {
-            var i = ((Number)key).doubleValue();
-            if (i >= 0 && i - Math.floor(i) == 0) {
-                return get((int)i);
-            }
-        }
-
-        return super.getField(ctx, key);
-    }
-    @Override
-    protected boolean setField(Context ctx, Object key, Object val) {
-        if (key instanceof Number) {
-            var i = Values.number(key);
-            if (i >= 0 && i - Math.floor(i) == 0) {
-                set(ctx, (int)i, val);
-                return true;
-            }
-        }
-
-        return super.setField(ctx, key, val);
-    }
-    @Override
-    protected boolean hasField(Context ctx, Object key) {
-        if (key instanceof Number) {
-            var i = Values.number(key);
-            if (i >= 0 && i - Math.floor(i) == 0) {
-                return has((int)i);
-            }
-        }
-
-        return super.hasField(ctx, key);
-    }
-    @Override
-    protected void deleteField(Context ctx, Object key) {
-        if (key instanceof Number) {
-            var i = Values.number(key);
-            if (i >= 0 && i - Math.floor(i) == 0) {
-                remove((int)i);
-                return;
-            }
-        }
-
-        super.deleteField(ctx, key);
-    }
-
-    @Override
-    public List<Object> keys(boolean includeNonEnumerable) {
-        var res = super.keys(includeNonEnumerable);
-        for (var i = 0; i < size(); i++) {
-            if (has(i)) res.add(i);
-        }
-        return res;
-    }
-
-    @Override
-    public Iterator<Object> iterator() {
-        return new Iterator<Object>() {
-            private int i = 0;
-
-            @Override
-            public boolean hasNext() {
-                return i < size();
-            }
-            @Override
-            public Object next() {
-                if (!hasNext()) return null;
-                return get(i++);
-            }
-        };
-    }
-
-    public ArrayValue() {
-        super(PlaceholderProto.ARRAY);
-        values = new Object[16];
-        size = 0;
-    }
-    public ArrayValue(int cap) {
-        super(PlaceholderProto.ARRAY);
-        values = new Object[cap];
-        size = 0;
-    }
-    public ArrayValue(Context ctx, Object ...values) {
-        this();
-        this.values = new Object[values.length];
-        size = values.length;
-
-        for (var i = 0; i < size; i++) this.values[i] = Values.normalize(ctx, values[i]);
-    }
-
-    public static ArrayValue of(Context ctx, Collection<?> values) {
-        return new ArrayValue(ctx, values.toArray(Object[]::new));
-    }
-}

src/java/me/topchetoeu/jscript/core/values/CodeFunction.java

@@ -1,50 +0,0 @@
-package me.topchetoeu.jscript.core.values;
-
-import me.topchetoeu.jscript.common.FunctionBody;
-import me.topchetoeu.jscript.core.Context;
-import me.topchetoeu.jscript.core.Environment;
-import me.topchetoeu.jscript.core.Frame;
-import me.topchetoeu.jscript.core.scope.ValueVariable;
-
-public class CodeFunction extends FunctionValue {
-    public final FunctionBody body;
-    public final ValueVariable[] captures;
-    public Environment environment;
-
-    // public Location loc() {
-    //     for (var instr : body.instructions) {
-    //         if (instr.location != null) return instr.location;
-    //     }
-    //     return null;
-    // }
-    // public String readable() {
-    //     var loc = loc();
-    //     if (loc == null) return name;
-    //     else if (name.equals("")) return loc.toString();
-    //     else return name + "@" + loc;
-    // }
-
-    @Override
-    public Object call(Context ctx, Object thisArg, Object ...args) {
-        var frame = new Frame(ctx, thisArg, args, this);
-
-        frame.onPush();
-
-        try {
-            while (true) {
-                var res = frame.next(Values.NO_RETURN, Values.NO_RETURN, null);
-                if (res != Values.NO_RETURN) return res;
-            }
-        }
-        finally {
-            frame.onPop();
-        }
-    }
-
-    public CodeFunction(Environment environment, String name, FunctionBody body, ValueVariable[] captures) {
-        super(name, body.argsN);
-        this.captures = captures;
-        this.environment = environment;
-        this.body = body;
-    }
-}

src/java/me/topchetoeu/jscript/core/values/ConvertHint.java

@@ -1,6 +0,0 @@
-package me.topchetoeu.jscript.core.values;
-
-public enum ConvertHint {
-    TOSTRING,
-    VALUEOF,
-}

src/java/me/topchetoeu/jscript/core/values/FunctionValue.java

@@ -1,69 +0,0 @@
-package me.topchetoeu.jscript.core.values;
-
-import java.util.List;
-
-import me.topchetoeu.jscript.core.Context;
-
-public abstract class FunctionValue extends ObjectValue {
-    public String name = "";
-    public int length;
-
-    @Override
-    public String toString() {
-        return String.format("function %s(...)", name);
-    }
-
-    public abstract Object call(Context ctx, Object thisArg, Object ...args);
-    public Object call(Context ctx) {
-        return call(ctx, null);
-    }
-
-    @Override
-    protected Object getField(Context ctx, Object key) {
-        if ("name".equals(key)) return name;
-        if ("length".equals(key)) return length;
-        return super.getField(ctx, key);
-    }
-    @Override
-    protected boolean setField(Context ctx, Object key, Object val) {
-        if ("name".equals(key)) name = Values.toString(ctx, val);
-        else if ("length".equals(key)) length = (int)Values.toNumber(ctx, val);
-        else return super.setField(ctx, key, val);
-        return true;
-    }
-    @Override
-    protected boolean hasField(Context ctx, Object key) {
-        if ("name".equals(key)) return true;
-        if ("length".equals(key)) return true;
-        return super.hasField(ctx, key);
-    }
-
-    @Override
-    public List<Object> keys(boolean includeNonEnumerable) {
-        var res = super.keys(includeNonEnumerable);
-        if (includeNonEnumerable) {
-            res.add("name");
-            res.add("length");
-        }
-        return res;
-    }
-
-    public FunctionValue(String name, int length) {
-        super(PlaceholderProto.FUNCTION);
-
-        if (name == null) name = "";
-        this.length = length;
-        this.name = name;
-
-        nonConfigurableSet.add("name");
-        nonEnumerableSet.add("name");
-        nonWritableSet.add("length");
-        nonConfigurableSet.add("length");
-        nonEnumerableSet.add("length");
-
-        var proto = new ObjectValue();
-        proto.defineProperty(null, "constructor", this, true, false, false);
-        this.defineProperty(null, "prototype", proto, true, false, false);
-    }
-}
-

src/java/me/topchetoeu/jscript/core/values/NativeFunction.java

@@ -1,26 +0,0 @@
-package me.topchetoeu.jscript.core.values;
-
-import me.topchetoeu.jscript.core.Context;
-import me.topchetoeu.jscript.utils.interop.Arguments;
-
-public class NativeFunction extends FunctionValue {
-    public static interface NativeFunctionRunner {
-        Object run(Arguments args);
-    }
-
-    public final NativeFunctionRunner action;
-
-    @Override
-    public Object call(Context ctx, Object thisArg, Object ...args) {
-        return action.run(new Arguments(ctx, thisArg, args));
-    }
-
-    public NativeFunction(String name, NativeFunctionRunner action) {
-        super(name, 0);
-        this.action = action;
-    }
-    public NativeFunction(NativeFunctionRunner action) {
-        super("", 0);
-        this.action = action;
-    }
-}

src/java/me/topchetoeu/jscript/core/values/NativeWrapper.java

@@ -1,32 +0,0 @@
-package me.topchetoeu.jscript.core.values;
-
-import me.topchetoeu.jscript.core.Context;
-
-public class NativeWrapper extends ObjectValue {
-    private static final Object NATIVE_PROTO = new Object();
-    public final Object wrapped;
-
-    @Override
-    public ObjectValue getPrototype(Context ctx) {
-        if (prototype == NATIVE_PROTO) return ctx.environment.wrappers.getProto(wrapped.getClass());
-        else return super.getPrototype(ctx);
-    }
-
-    @Override
-    public String toString() {
-        return wrapped.toString();
-    }
-    @Override
-    public boolean equals(Object obj) {
-        return wrapped.equals(obj);
-    }
-    @Override
-    public int hashCode() {
-        return wrapped.hashCode();
-    }
-
-    public NativeWrapper(Object wrapped) {
-        this.wrapped = wrapped;
-        prototype = NATIVE_PROTO;
-    }
-}

src/java/me/topchetoeu/jscript/core/values/ObjectValue.java

@@ -1,354 +0,0 @@
-package me.topchetoeu.jscript.core.values;
-
-import java.util.ArrayList;
-import java.util.LinkedHashMap;
-import java.util.LinkedHashSet;
-import java.util.List;
-import java.util.Map;
-
-import me.topchetoeu.jscript.core.Context;
-import me.topchetoeu.jscript.core.Environment;
-
-public class ObjectValue {
-    public static enum PlaceholderProto {
-        NONE,
-        OBJECT,
-        ARRAY,
-        FUNCTION,
-        ERROR,
-        SYNTAX_ERROR,
-        TYPE_ERROR,
-        RANGE_ERROR,
-    }
-    public static enum State {
-        NORMAL,
-        NO_EXTENSIONS,
-        SEALED,
-        FROZEN,
-    }
-
-    public static class Property { 
-        public final FunctionValue getter;
-        public final FunctionValue setter;
-
-        public Property(FunctionValue getter, FunctionValue setter) {
-            this.getter = getter;
-            this.setter = setter;
-        }
-    }
-
-    private static final Object OBJ_PROTO = new Object();
-    private static final Object ARR_PROTO = new Object();
-    private static final Object FUNC_PROTO = new Object();
-    private static final Object ERR_PROTO = new Object();
-    private static final Object SYNTAX_ERR_PROTO = new Object();
-    private static final Object TYPE_ERR_PROTO = new Object();
-    private static final Object RANGE_ERR_PROTO = new Object();
-
-    protected Object prototype;
-
-    public State state = State.NORMAL;
-    public LinkedHashMap<Object, Object> values = new LinkedHashMap<>();
-    public LinkedHashMap<Object, Property> properties = new LinkedHashMap<>();
-    public LinkedHashSet<Object> nonWritableSet = new LinkedHashSet<>();
-    public LinkedHashSet<Object> nonConfigurableSet = new LinkedHashSet<>();
-    public LinkedHashSet<Object> nonEnumerableSet = new LinkedHashSet<>();
-
-    private Property getProperty(Context ctx, Object key) {
-        if (properties.containsKey(key)) return properties.get(key);
-        var proto = getPrototype(ctx);
-        if (proto != null) return proto.getProperty(ctx, key);
-        else return null;
-    }
-
-    public final boolean memberWritable(Object key) {
-        if (state == State.FROZEN) return false;
-        return !values.containsKey(key) || !nonWritableSet.contains(key);
-    }
-    public final boolean memberConfigurable(Object key) {
-        if (state == State.SEALED || state == State.FROZEN) return false;
-        return !nonConfigurableSet.contains(key);
-    }
-    public final boolean memberEnumerable(Object key) {
-        return !nonEnumerableSet.contains(key);
-    }
-    public final boolean extensible() {
-        return state == State.NORMAL;
-    }
-
-    public final void preventExtensions() {
-        if (state == State.NORMAL) state = State.NO_EXTENSIONS;
-    }
-    public final void seal() {
-        if (state == State.NORMAL || state == State.NO_EXTENSIONS) state = State.SEALED;
-    }
-    public final void freeze() {
-        state = State.FROZEN;
-    }
-
-    public final boolean defineProperty(Context ctx, Object key, Object val, boolean writable, boolean configurable, boolean enumerable) {
-        key = Values.normalize(ctx, key); val = Values.normalize(ctx, val);
-        boolean reconfigured = 
-            writable != memberWritable(key) ||
-            configurable != memberConfigurable(key) ||
-            enumerable != memberEnumerable(key);
-
-        if (!reconfigured) {
-            if (!memberWritable(key)) {
-                var a = values.get(key);
-                var b = val;
-                if (a == null || b == null) return a == null && b == null;
-                return a == b || a.equals(b);
-            }
-            values.put(key, val);
-            return true;
-        }
-
-        if (
-            properties.containsKey(key) &&
-            values.get(key) == val &&
-            !reconfigured
-        ) return true;
-
-        if (!extensible() && !values.containsKey(key) && !properties.containsKey(key)) return false;
-        if (!memberConfigurable(key)) return false;
-
-        nonWritableSet.remove(key);
-        nonEnumerableSet.remove(key);
-        properties.remove(key);
-        values.remove(key);
-
-        if (!writable) nonWritableSet.add(key);
-        if (!configurable) nonConfigurableSet.add(key);
-        if (!enumerable) nonEnumerableSet.add(key);
-
-        values.put(key, val);
-        return true;
-    }
-    public final boolean defineProperty(Context ctx, Object key, Object val) {
-        return defineProperty(ctx, key, val, true, true, true);
-    }
-    public final boolean defineProperty(Context ctx, Object key, FunctionValue getter, FunctionValue setter, boolean configurable, boolean enumerable) {
-        key = Values.normalize(ctx, key);
-        if (
-            properties.containsKey(key) &&
-            properties.get(key).getter == getter &&
-            properties.get(key).setter == setter &&
-            !configurable == nonConfigurableSet.contains(key) &&
-            !enumerable == nonEnumerableSet.contains(key)
-        ) return true;
-        if (!extensible() && !values.containsKey(key) && !properties.containsKey(key)) return false;
-        if (!memberConfigurable(key)) return false;
-
-        nonWritableSet.remove(key);
-        nonEnumerableSet.remove(key);
-        properties.remove(key);
-        values.remove(key);
-
-        if (!configurable) nonConfigurableSet.add(key);
-        if (!enumerable) nonEnumerableSet.add(key);
-
-        properties.put(key, new Property(getter, setter));
-        return true;
-    }
-
-    public ObjectValue getPrototype(Context ctx) {
-        try {
-            if (prototype == OBJ_PROTO) return ctx.get(Environment.OBJECT_PROTO);
-            if (prototype == ARR_PROTO) return ctx.get(Environment.ARRAY_PROTO);
-            if (prototype == FUNC_PROTO) return ctx.get(Environment.FUNCTION_PROTO);
-            if (prototype == ERR_PROTO) return ctx.get(Environment.ERROR_PROTO);
-            if (prototype == RANGE_ERR_PROTO) return ctx.get(Environment.RANGE_ERR_PROTO);
-            if (prototype == SYNTAX_ERR_PROTO) return ctx.get(Environment.SYNTAX_ERR_PROTO);
-            if (prototype == TYPE_ERR_PROTO) return ctx.get(Environment.TYPE_ERR_PROTO);
-        }
-        catch (NullPointerException e) { return null; }
-
-        return (ObjectValue)prototype;
-    }
-    public final boolean setPrototype(PlaceholderProto val) {
-        if (!extensible()) return false;
-        switch (val) {
-            case OBJECT: prototype = OBJ_PROTO; break;
-            case FUNCTION: prototype = FUNC_PROTO; break;
-            case ARRAY: prototype = ARR_PROTO; break;
-            case ERROR: prototype = ERR_PROTO; break;
-            case SYNTAX_ERROR: prototype = SYNTAX_ERR_PROTO; break;
-            case TYPE_ERROR: prototype = TYPE_ERR_PROTO; break;
-            case RANGE_ERROR: prototype = RANGE_ERR_PROTO; break;
-            case NONE: prototype = null; break;
-        }
-        return true;
-    }
-
-    /**
-     * A method, used to get the value of a field. If a property is bound to
-     * this key, but not a field, this method should return null.
-     */
-    protected Object getField(Context ctx, Object key) {
-        if (values.containsKey(key)) return values.get(key);
-        var proto = getPrototype(ctx);
-        if (proto != null) return proto.getField(ctx, key);
-        else return null;
-    }
-    /**
-     * Changes the value of a field, that is bound to the given key. If no field is
-     * bound to this key, a new field should be created with the given value
-     * @return Whether or not the operation was successful
-     */
-    protected boolean setField(Context ctx, Object key, Object val) {
-        if (val instanceof FunctionValue && ((FunctionValue)val).name.equals("")) {
-            ((FunctionValue)val).name = Values.toString(ctx, key);
-        }
-
-        values.put(key, val);
-        return true;
-    }
-    /**
-     * Deletes the field bound to the given key.
-     */
-    protected void deleteField(Context ctx, Object key) {
-        values.remove(key);
-    }
-    /**
-     * Returns whether or not there is a field bound to the given key.
-     * This must ignore properties
-     */
-    protected boolean hasField(Context ctx, Object key) {
-        return values.containsKey(key);
-    }
-
-    public final Object getMember(Context ctx, Object key, Object thisArg) {
-        key = Values.normalize(ctx, key);
-
-        if ("__proto__".equals(key)) {
-            var res = getPrototype(ctx);
-            return res == null ? Values.NULL : res;
-        }
-
-        var prop = getProperty(ctx, key);
-
-        if (prop != null) {
-            if (prop.getter == null) return null;
-            else return prop.getter.call(ctx, Values.normalize(ctx, thisArg));
-        }
-        else return getField(ctx, key);
-    }
-    public final boolean setMember(Context ctx, Object key, Object val, Object thisArg, boolean onlyProps) {
-        key = Values.normalize(ctx, key); val = Values.normalize(ctx, val);
-
-        var prop = getProperty(ctx, key);
-        if (prop != null) {
-            if (prop.setter == null) return false;
-            prop.setter.call(ctx, Values.normalize(ctx, thisArg), val);
-            return true;
-        }
-        else if (onlyProps) return false;
-        else if (!extensible() && !values.containsKey(key)) return false;
-        else if (key == null) {
-            values.put(key, val);
-            return true;
-        }
-        else if ("__proto__".equals(key)) return setPrototype(ctx, val);
-        else if (nonWritableSet.contains(key)) return false;
-        else return setField(ctx, key, val);
-    }
-    public final boolean hasMember(Context ctx, Object key, boolean own) {
-        key = Values.normalize(ctx, key);
-
-        if (key != null && "__proto__".equals(key)) return true;
-        if (hasField(ctx, key)) return true;
-        if (properties.containsKey(key)) return true;
-        if (own) return false;
-        var proto = getPrototype(ctx);
-        return proto != null && proto.hasMember(ctx, key, own);
-    }
-    public final boolean deleteMember(Context ctx, Object key) {
-        key = Values.normalize(ctx, key);
-
-        if (!memberConfigurable(key)) return false;
-        properties.remove(key);
-        nonWritableSet.remove(key);
-        nonEnumerableSet.remove(key);
-        deleteField(ctx, key);
-        return true;
-    }
-    public final boolean setPrototype(Context ctx, Object val) {
-        val = Values.normalize(ctx, val);
-
-        if (!extensible()) return false;
-        if (val == null || val == Values.NULL) {
-            prototype = null;
-            return true;
-        }
-        else if (val instanceof ObjectValue) {
-            var obj = (ObjectValue)val;
-
-            if (ctx != null) {
-                if (obj == ctx.get(Environment.OBJECT_PROTO)) prototype = OBJ_PROTO;
-                else if (obj == ctx.get(Environment.ARRAY_PROTO)) prototype = ARR_PROTO;
-                else if (obj == ctx.get(Environment.FUNCTION_PROTO)) prototype = FUNC_PROTO;
-                else if (obj == ctx.get(Environment.ERROR_PROTO)) prototype = ERR_PROTO;
-                else if (obj == ctx.get(Environment.SYNTAX_ERR_PROTO)) prototype = SYNTAX_ERR_PROTO;
-                else if (obj == ctx.get(Environment.TYPE_ERR_PROTO)) prototype = TYPE_ERR_PROTO;
-                else if (obj == ctx.get(Environment.RANGE_ERR_PROTO)) prototype = RANGE_ERR_PROTO;
-                else prototype = obj;
-            }
-            else prototype = obj;
-
-            return true;
-        }
-        return false;
-    }
-
-    public final ObjectValue getMemberDescriptor(Context ctx, Object key) {
-        key = Values.normalize(ctx, key);
-
-        var prop = properties.get(key);
-        var res = new ObjectValue();
-
-        res.defineProperty(ctx, "configurable", memberConfigurable(key));
-        res.defineProperty(ctx, "enumerable", memberEnumerable(key));
-
-        if (prop != null) {
-            res.defineProperty(ctx, "get", prop.getter);
-            res.defineProperty(ctx, "set", prop.setter);
-        }
-        else if (hasField(ctx, key)) {
-            res.defineProperty(ctx, "value", values.get(key));
-            res.defineProperty(ctx, "writable", memberWritable(key));
-        }
-        else return null;
-        return res;
-    }
-
-    public List<Object> keys(boolean includeNonEnumerable) {
-        var res = new ArrayList<Object>();
-
-        for (var key : values.keySet()) {
-            if (nonEnumerableSet.contains(key) && !includeNonEnumerable) continue;
-            res.add(key);
-        }
-        for (var key : properties.keySet()) {
-            if (nonEnumerableSet.contains(key) && !includeNonEnumerable) continue;
-            res.add(key);
-        }
-
-        return res;
-    }
-
-    public ObjectValue(Context ctx, Map<?, ?> values) {
-        this(PlaceholderProto.OBJECT);
-        for (var el : values.entrySet()) {
-            defineProperty(ctx, el.getKey(), el.getValue());
-        }
-    }
-    public ObjectValue(PlaceholderProto proto) {
-        nonConfigurableSet.add("__proto__");
-        nonEnumerableSet.add("__proto__");
-        setPrototype(proto);
-    }
-    public ObjectValue() {
-        this(PlaceholderProto.OBJECT);
-    }
-}