fix: clone environment correctly

feat: allow adding custom wrappers

.github/workflows/tagged-release.yml

@@ -3,7 +3,7 @@ name: "tagged-release"
 on:
   push:
     tags:
-      - "v*"
+      - "*"
 
 jobs:
   tagged-release:

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.

gradle.properties

@@ -1,4 +1,4 @@
 project_group = me.topchetoeu
 project_name = jscript
-project_version = 0.8.6-beta
+project_version = 0.9.27-beta
 main_class = me.topchetoeu.jscript.utils.JScriptRepl

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

@@ -24,6 +24,11 @@ public class Buffer {
         return n;
     }
 
+    public void clear() {
+        data = new byte[128];
+        length = 0;
+    }
+
     public void append(byte b) {
         write(length, new byte[] { b });
     }

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

@@ -5,7 +5,7 @@ import java.io.DataOutputStream;
 import java.io.IOException;
 import java.util.HashMap;
 
-import me.topchetoeu.jscript.core.exceptions.SyntaxException;
+import me.topchetoeu.jscript.runtime.exceptions.SyntaxException;
 
 public class Instruction {
     public static enum Type {

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

@@ -1,6 +1,6 @@
 package me.topchetoeu.jscript.common.events;
 
-import me.topchetoeu.jscript.core.exceptions.InterruptException;
+import me.topchetoeu.jscript.runtime.exceptions.InterruptException;
 
 public class Notifier {
     private boolean ok = false;

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

@@ -9,12 +9,12 @@ 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;
+import me.topchetoeu.jscript.runtime.Context;
+import me.topchetoeu.jscript.runtime.exceptions.EngineException;
+import me.topchetoeu.jscript.runtime.exceptions.SyntaxException;
+import me.topchetoeu.jscript.runtime.values.ArrayValue;
+import me.topchetoeu.jscript.runtime.values.ObjectValue;
+import me.topchetoeu.jscript.runtime.values.Values;
 
 public class JSON {
     public static Object toJs(JSONElement val) {

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

@@ -14,7 +14,7 @@ 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.compilation.scope.LocalScopeRecord;
 import me.topchetoeu.jscript.utils.mapping.SourceMap;
 
 public class FunctionMap {
@@ -104,7 +104,9 @@ public class FunctionMap {
 
         var res = new ArrayList<Location>(candidates.size());
         for (var candidate : candidates.entrySet()) {
-            res.add(candidate.getValue().ceiling(new Location(line, column, candidate.getKey())));
+            var val = correctBreakpoint(new Location(line, column, candidate.getKey()));
+            if (val == null) continue;
+            res.add(val);
         }
 
         return res;

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

@@ -10,7 +10,7 @@ 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;
+import me.topchetoeu.jscript.compilation.scope.LocalScopeRecord;
 
 public class CompileResult {
     public final Vector<Instruction> instructions = new Vector<>();

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

@@ -1,7 +1,7 @@
 package me.topchetoeu.jscript.compilation;
 
 import me.topchetoeu.jscript.common.Instruction;
-import me.topchetoeu.jscript.core.exceptions.SyntaxException;
+import me.topchetoeu.jscript.runtime.exceptions.SyntaxException;
 
 public class ThrowSyntaxStatement extends Statement {
     public final String name;

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

@@ -0,0 +1,73 @@
+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 ForOfStatement extends Statement {
+    public final String varName;
+    public final boolean isDeclaration;
+    public final Statement iterable, 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));
+
+        iterable.compile(target, true, BreakpointType.STEP_OVER);
+        target.add(Instruction.dup());
+        target.add(Instruction.loadVar("Symbol"));
+        target.add(Instruction.pushValue("iterator"));
+        target.add(Instruction.loadMember()).setLocation(iterable.loc());
+        target.add(Instruction.loadMember()).setLocation(iterable.loc());
+        target.add(Instruction.call(0)).setLocation(iterable.loc());
+
+        int start = target.size();
+        target.add(Instruction.dup());
+        target.add(Instruction.dup());
+        target.add(Instruction.pushValue("next"));
+        target.add(Instruction.loadMember()).setLocation(iterable.loc());
+        target.add(Instruction.call(0)).setLocation(iterable.loc());
+        target.add(Instruction.dup());
+        target.add(Instruction.pushValue("done"));
+        target.add(Instruction.loadMember()).setLocation(iterable.loc());
+        int mid = target.temp();
+
+        target.add(Instruction.pushValue("value"));
+        target.add(Instruction.loadMember()).setLocation(varLocation);
+        target.add(Instruction.storeVar(key)).setLocationAndDebug(iterable.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.add(Instruction.discard());
+        target.set(mid, Instruction.jmpIf(end - mid + 1));
+        if (pollute) target.add(Instruction.pushUndefined());
+    }
+
+    public ForOfStatement(Location loc, Location varLocation, String label, boolean isDecl, String varName, Statement object, Statement body) {
+        super(loc);
+        this.varLocation = varLocation;
+        this.label = label;
+        this.isDeclaration = isDecl;
+        this.varName = varName;
+        this.iterable = object;
+        this.body = body;
+    }
+}

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

@@ -16,9 +16,9 @@ import me.topchetoeu.jscript.compilation.VariableDeclareStatement.Pair;
 import me.topchetoeu.jscript.compilation.control.*;
 import me.topchetoeu.jscript.compilation.control.SwitchStatement.SwitchCase;
 import me.topchetoeu.jscript.compilation.parsing.ParseRes.State;
+import me.topchetoeu.jscript.compilation.scope.LocalScopeRecord;
 import me.topchetoeu.jscript.compilation.values.*;
-import me.topchetoeu.jscript.core.scope.LocalScopeRecord;
-import me.topchetoeu.jscript.core.exceptions.SyntaxException;
+import me.topchetoeu.jscript.runtime.exceptions.SyntaxException;
 
 // TODO: this has to be rewritten
 public class Parsing {
@@ -1777,6 +1777,46 @@ public class Parsing {
 
         return ParseRes.res(new ForInStatement(loc, nameLoc, labelRes.result, isDecl, nameRes.result, varVal, objRes.result, bodyRes.result), n);
     }
+    public static ParseRes<ForOfStatement> parseForOf(Filename filename, List<Token> tokens, int i) {
+        var loc = getLoc(filename, tokens, i);
+        int n = 0;
+
+        var labelRes = parseLabel(tokens, i + n);
+        var isDecl = false;
+        n += labelRes.n;
+
+        if (!isIdentifier(tokens, i + n++, "for")) return ParseRes.failed();
+        if (!isOperator(tokens, i + n++, Operator.PAREN_OPEN)) return ParseRes.error(loc, "Expected a open paren after 'for'.");
+
+        if (isIdentifier(tokens, i + n, "var")) {
+            isDecl = true;
+            n++;
+        }
+
+        var nameRes = parseIdentifier(tokens, i + n);
+        if (!nameRes.isSuccess()) return ParseRes.error(loc, "Expected a variable name for 'for' loop.");
+        var nameLoc = getLoc(filename, tokens, i + n);
+        n += nameRes.n;
+
+        if (!isIdentifier(tokens, i + n++, "of")) {
+            if (nameRes.result.equals("const")) return ParseRes.error(loc, "'const' declarations are not supported.");
+            else if (nameRes.result.equals("let")) return ParseRes.error(loc, "'let' declarations are not supported.");
+            else return ParseRes.error(loc, "Expected 'of' keyword after variable declaration.");
+        }
+
+        var objRes = parseValue(filename, tokens, i + n, 0);
+        if (!objRes.isSuccess()) return ParseRes.error(loc, "Expected a value.", objRes);
+        n += objRes.n;
+
+        if (!isOperator(tokens, i + n++, Operator.PAREN_CLOSE)) return ParseRes.error(loc, "Expected a closing paren after for.");
+
+
+        var bodyRes = parseStatement(filename, tokens, i + n);
+        if (!bodyRes.isSuccess()) return ParseRes.error(loc, "Expected a for body.", bodyRes);
+        n += bodyRes.n;
+
+        return ParseRes.res(new ForOfStatement(loc, nameLoc, labelRes.result, isDecl, nameRes.result, objRes.result, bodyRes.result), n);
+    }
     public static ParseRes<TryStatement> parseCatch(Filename filename, List<Token> tokens, int i) {
         var loc = getLoc(filename, tokens, i);
         int n = 0;
@@ -1833,6 +1873,7 @@ public class Parsing {
             parseSwitch(filename, tokens, i),
             parseFor(filename, tokens, i),
             parseForIn(filename, tokens, i),
+            parseForOf(filename, tokens, i),
             parseDoWhile(filename, tokens, i),
             parseCatch(filename, tokens, i),
             parseCompound(filename, tokens, i),

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

@@ -1,9 +1,7 @@
-package me.topchetoeu.jscript.core.scope;
+package me.topchetoeu.jscript.compilation.scope;
 
 import java.util.ArrayList;
 
-import me.topchetoeu.jscript.common.ScopeRecord;
-
 public class LocalScopeRecord implements ScopeRecord {
     public final LocalScopeRecord parent;
 

src/java/me/topchetoeu/jscript/compilation/scope/ScopeRecord.java

@@ -1,6 +1,4 @@
-package me.topchetoeu.jscript.common;
-
-import me.topchetoeu.jscript.core.scope.LocalScopeRecord;
+package me.topchetoeu.jscript.compilation.scope;
 
 public interface ScopeRecord {
     public Object getKey(String name);

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

@@ -7,7 +7,7 @@ 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;
+import me.topchetoeu.jscript.runtime.exceptions.SyntaxException;
 
 public class FunctionStatement extends Statement {
     public final CompoundStatement body;

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/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/lib/ArrayLib.java

@@ -3,11 +3,11 @@ package me.topchetoeu.jscript.lib;
 import java.util.Iterator;
 import java.util.Stack;
 
-import me.topchetoeu.jscript.core.values.ArrayValue;
-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.runtime.values.ArrayValue;
+import me.topchetoeu.jscript.runtime.values.FunctionValue;
+import me.topchetoeu.jscript.runtime.values.NativeFunction;
+import me.topchetoeu.jscript.runtime.values.ObjectValue;
+import me.topchetoeu.jscript.runtime.values.Values;
 import me.topchetoeu.jscript.utils.interop.Arguments;
 import me.topchetoeu.jscript.utils.interop.Expose;
 import me.topchetoeu.jscript.utils.interop.ExposeConstructor;

src/java/me/topchetoeu/jscript/lib/AsyncFunctionLib.java

@@ -1,13 +1,13 @@
 package me.topchetoeu.jscript.lib;
 
-import me.topchetoeu.jscript.core.Context;
-import me.topchetoeu.jscript.core.Frame;
-import me.topchetoeu.jscript.core.values.CodeFunction;
-import me.topchetoeu.jscript.core.values.FunctionValue;
-import me.topchetoeu.jscript.core.values.NativeFunction;
-import me.topchetoeu.jscript.core.values.Values;
-import me.topchetoeu.jscript.core.exceptions.EngineException;
 import me.topchetoeu.jscript.lib.PromiseLib.Handle;
+import me.topchetoeu.jscript.runtime.Context;
+import me.topchetoeu.jscript.runtime.Frame;
+import me.topchetoeu.jscript.runtime.exceptions.EngineException;
+import me.topchetoeu.jscript.runtime.values.CodeFunction;
+import me.topchetoeu.jscript.runtime.values.FunctionValue;
+import me.topchetoeu.jscript.runtime.values.NativeFunction;
+import me.topchetoeu.jscript.runtime.values.Values;
 import me.topchetoeu.jscript.utils.interop.Arguments;
 import me.topchetoeu.jscript.utils.interop.WrapperName;
 
@@ -54,7 +54,7 @@ public class AsyncFunctionLib extends FunctionValue {
                     public void onReject(EngineException err) {
                         next(ctx, Values.NO_RETURN, err);
                     }
-                });
+                }.defer(ctx));
             }
         }
 

src/java/me/topchetoeu/jscript/lib/AsyncGeneratorFunctionLib.java

@@ -1,11 +1,11 @@
 package me.topchetoeu.jscript.lib;
 
-import me.topchetoeu.jscript.core.Context;
-import me.topchetoeu.jscript.core.Frame;
-import me.topchetoeu.jscript.core.values.CodeFunction;
-import me.topchetoeu.jscript.core.values.FunctionValue;
-import me.topchetoeu.jscript.core.values.NativeFunction;
-import me.topchetoeu.jscript.core.exceptions.EngineException;
+import me.topchetoeu.jscript.runtime.Context;
+import me.topchetoeu.jscript.runtime.Frame;
+import me.topchetoeu.jscript.runtime.exceptions.EngineException;
+import me.topchetoeu.jscript.runtime.values.CodeFunction;
+import me.topchetoeu.jscript.runtime.values.FunctionValue;
+import me.topchetoeu.jscript.runtime.values.NativeFunction;
 import me.topchetoeu.jscript.utils.interop.WrapperName;
 
 @WrapperName("AsyncGeneratorFunction")

src/java/me/topchetoeu/jscript/lib/AsyncGeneratorLib.java

@@ -2,12 +2,12 @@ package me.topchetoeu.jscript.lib;
 
 import java.util.Map;
 
-import me.topchetoeu.jscript.core.Context;
-import me.topchetoeu.jscript.core.Frame;
-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.lib.PromiseLib.Handle;
+import me.topchetoeu.jscript.runtime.Context;
+import me.topchetoeu.jscript.runtime.Frame;
+import me.topchetoeu.jscript.runtime.exceptions.EngineException;
+import me.topchetoeu.jscript.runtime.values.ObjectValue;
+import me.topchetoeu.jscript.runtime.values.Values;
 import me.topchetoeu.jscript.utils.interop.Arguments;
 import me.topchetoeu.jscript.utils.interop.Expose;
 import me.topchetoeu.jscript.utils.interop.WrapperName;
@@ -62,7 +62,7 @@ public class AsyncGeneratorLib {
                 @Override public void onReject(EngineException err) {
                     next(ctx, Values.NO_RETURN, Values.NO_RETURN, err);
                 }
-            });
+            }.defer(ctx));
         }
         else if (state == 2) {
             var obj = new ObjectValue();

src/java/me/topchetoeu/jscript/lib/BooleanLib.java

@@ -1,7 +1,7 @@
 package me.topchetoeu.jscript.lib;
 
-import me.topchetoeu.jscript.core.values.ObjectValue;
-import me.topchetoeu.jscript.core.values.Values;
+import me.topchetoeu.jscript.runtime.values.ObjectValue;
+import me.topchetoeu.jscript.runtime.values.Values;
 import me.topchetoeu.jscript.utils.interop.Arguments;
 import me.topchetoeu.jscript.utils.interop.Expose;
 import me.topchetoeu.jscript.utils.interop.ExposeConstructor;

src/java/me/topchetoeu/jscript/lib/ConsoleLib.java

@@ -2,7 +2,7 @@ package me.topchetoeu.jscript.lib;
 
 import java.io.IOException;
 
-import me.topchetoeu.jscript.core.values.Values;
+import me.topchetoeu.jscript.runtime.values.Values;
 import me.topchetoeu.jscript.utils.filesystem.File;
 import me.topchetoeu.jscript.utils.interop.Arguments;
 import me.topchetoeu.jscript.utils.interop.Expose;

src/java/me/topchetoeu/jscript/lib/EncodingLib.java

@@ -4,9 +4,9 @@ import java.util.ArrayList;
 
 import me.topchetoeu.jscript.common.Buffer;
 import me.topchetoeu.jscript.compilation.parsing.Parsing;
-import me.topchetoeu.jscript.core.values.ArrayValue;
-import me.topchetoeu.jscript.core.values.Values;
-import me.topchetoeu.jscript.core.exceptions.EngineException;
+import me.topchetoeu.jscript.runtime.exceptions.EngineException;
+import me.topchetoeu.jscript.runtime.values.ArrayValue;
+import me.topchetoeu.jscript.runtime.values.Values;
 import me.topchetoeu.jscript.utils.interop.Arguments;
 import me.topchetoeu.jscript.utils.interop.Expose;
 import me.topchetoeu.jscript.utils.interop.ExposeTarget;

src/java/me/topchetoeu/jscript/lib/ErrorLib.java

@@ -1,10 +1,10 @@
 package me.topchetoeu.jscript.lib;
 
-import me.topchetoeu.jscript.core.Context;
-import me.topchetoeu.jscript.core.values.ObjectValue;
-import me.topchetoeu.jscript.core.values.Values;
-import me.topchetoeu.jscript.core.values.ObjectValue.PlaceholderProto;
-import me.topchetoeu.jscript.core.exceptions.ConvertException;
+import me.topchetoeu.jscript.runtime.Context;
+import me.topchetoeu.jscript.runtime.exceptions.ConvertException;
+import me.topchetoeu.jscript.runtime.values.ObjectValue;
+import me.topchetoeu.jscript.runtime.values.Values;
+import me.topchetoeu.jscript.runtime.values.ObjectValue.PlaceholderProto;
 import me.topchetoeu.jscript.utils.interop.Arguments;
 import me.topchetoeu.jscript.utils.interop.Expose;
 import me.topchetoeu.jscript.utils.interop.ExposeConstructor;

src/java/me/topchetoeu/jscript/lib/FileLib.java

@@ -1,7 +1,7 @@
 package me.topchetoeu.jscript.lib;
 
-import me.topchetoeu.jscript.core.values.ArrayValue;
-import me.topchetoeu.jscript.core.values.Values;
+import me.topchetoeu.jscript.runtime.values.ArrayValue;
+import me.topchetoeu.jscript.runtime.values.Values;
 import me.topchetoeu.jscript.utils.filesystem.File;
 import me.topchetoeu.jscript.utils.filesystem.FilesystemException;
 import me.topchetoeu.jscript.utils.interop.Arguments;

src/java/me/topchetoeu/jscript/lib/FilesystemLib.java

@@ -4,10 +4,10 @@ import java.io.IOException;
 import java.util.Iterator;
 import java.util.Stack;
 
-import me.topchetoeu.jscript.core.Context;
-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.runtime.Context;
+import me.topchetoeu.jscript.runtime.exceptions.EngineException;
+import me.topchetoeu.jscript.runtime.values.ObjectValue;
+import me.topchetoeu.jscript.runtime.values.Values;
 import me.topchetoeu.jscript.utils.filesystem.ActionType;
 import me.topchetoeu.jscript.utils.filesystem.EntryType;
 import me.topchetoeu.jscript.utils.filesystem.ErrorReason;

src/java/me/topchetoeu/jscript/lib/FunctionLib.java

@@ -1,9 +1,9 @@
 package me.topchetoeu.jscript.lib;
 
-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.NativeFunction;
+import me.topchetoeu.jscript.runtime.values.ArrayValue;
+import me.topchetoeu.jscript.runtime.values.CodeFunction;
+import me.topchetoeu.jscript.runtime.values.FunctionValue;
+import me.topchetoeu.jscript.runtime.values.NativeFunction;
 import me.topchetoeu.jscript.utils.interop.Arguments;
 import me.topchetoeu.jscript.utils.interop.Expose;
 import me.topchetoeu.jscript.utils.interop.ExposeTarget;

src/java/me/topchetoeu/jscript/lib/GeneratorFunctionLib.java

@@ -1,11 +1,11 @@
 package me.topchetoeu.jscript.lib;
 
-import me.topchetoeu.jscript.core.Context;
-import me.topchetoeu.jscript.core.Frame;
-import me.topchetoeu.jscript.core.values.CodeFunction;
-import me.topchetoeu.jscript.core.values.FunctionValue;
-import me.topchetoeu.jscript.core.values.NativeFunction;
-import me.topchetoeu.jscript.core.exceptions.EngineException;
+import me.topchetoeu.jscript.runtime.Context;
+import me.topchetoeu.jscript.runtime.Frame;
+import me.topchetoeu.jscript.runtime.exceptions.EngineException;
+import me.topchetoeu.jscript.runtime.values.CodeFunction;
+import me.topchetoeu.jscript.runtime.values.FunctionValue;
+import me.topchetoeu.jscript.runtime.values.NativeFunction;
 import me.topchetoeu.jscript.utils.interop.WrapperName;
 
 @WrapperName("GeneratorFunction")

src/java/me/topchetoeu/jscript/lib/GeneratorLib.java

@@ -1,10 +1,10 @@
 package me.topchetoeu.jscript.lib;
 
-import me.topchetoeu.jscript.core.Context;
-import me.topchetoeu.jscript.core.Frame;
-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.runtime.Context;
+import me.topchetoeu.jscript.runtime.Frame;
+import me.topchetoeu.jscript.runtime.exceptions.EngineException;
+import me.topchetoeu.jscript.runtime.values.ObjectValue;
+import me.topchetoeu.jscript.runtime.values.Values;
 import me.topchetoeu.jscript.utils.interop.Arguments;
 import me.topchetoeu.jscript.utils.interop.Expose;
 import me.topchetoeu.jscript.utils.interop.WrapperName;

src/java/me/topchetoeu/jscript/lib/Internals.java

@@ -2,18 +2,21 @@ package me.topchetoeu.jscript.lib;
 
 import java.util.HashMap;
 
-import me.topchetoeu.jscript.core.Context;
-import me.topchetoeu.jscript.core.Environment;
-import me.topchetoeu.jscript.core.EventLoop;
-import me.topchetoeu.jscript.core.Key;
-import me.topchetoeu.jscript.core.scope.GlobalScope;
-import me.topchetoeu.jscript.core.values.FunctionValue;
-import me.topchetoeu.jscript.core.values.Values;
-import me.topchetoeu.jscript.core.exceptions.EngineException;
+import me.topchetoeu.jscript.runtime.Context;
+import me.topchetoeu.jscript.runtime.Environment;
+import me.topchetoeu.jscript.runtime.EventLoop;
+import me.topchetoeu.jscript.runtime.Key;
+import me.topchetoeu.jscript.runtime.exceptions.EngineException;
+import me.topchetoeu.jscript.runtime.scope.GlobalScope;
+import me.topchetoeu.jscript.runtime.values.FunctionValue;
+import me.topchetoeu.jscript.runtime.values.Values;
+import me.topchetoeu.jscript.utils.filesystem.Filesystem;
+import me.topchetoeu.jscript.utils.filesystem.Mode;
 import me.topchetoeu.jscript.utils.interop.Arguments;
 import me.topchetoeu.jscript.utils.interop.Expose;
 import me.topchetoeu.jscript.utils.interop.ExposeField;
 import me.topchetoeu.jscript.utils.interop.ExposeTarget;
+import me.topchetoeu.jscript.utils.interop.ExposeType;
 import me.topchetoeu.jscript.utils.modules.ModuleRepo;
 
 public class Internals {
@@ -126,6 +129,19 @@ public class Internals {
         return NumberLib.__isInfinite(args);
     }
 
+    @Expose(target = ExposeTarget.STATIC, type = ExposeType.GETTER)
+    public static FileLib __stdin(Arguments args) {
+        return new FileLib(Filesystem.get(args.ctx).open("std://in", Mode.READ));
+    }
+    @Expose(target = ExposeTarget.STATIC, type = ExposeType.GETTER)
+    public static FileLib __stdout(Arguments args) {
+        return new FileLib(Filesystem.get(args.ctx).open("std://out", Mode.READ));
+    }
+    @Expose(target = ExposeTarget.STATIC, type = ExposeType.GETTER)
+    public static FileLib __stderr(Arguments args) {
+        return new FileLib(Filesystem.get(args.ctx).open("std://err", Mode.READ));
+    }
+
     @ExposeField(target = ExposeTarget.STATIC)
     public static double __NaN = Double.NaN;
     @ExposeField(target = ExposeTarget.STATIC)
@@ -157,27 +173,27 @@ public class Internals {
         glob.define(null, "Encoding", false, wp.getNamespace(EncodingLib.class));
         glob.define(null, "Filesystem", false, wp.getNamespace(FilesystemLib.class));
 
-        glob.define(false, wp.getConstr(FileLib.class));
+        glob.define(null, false, wp.getConstr(FileLib.class));
 
-        glob.define(false, wp.getConstr(DateLib.class));
-        glob.define(false, wp.getConstr(ObjectLib.class));
-        glob.define(false, wp.getConstr(FunctionLib.class));
-        glob.define(false, wp.getConstr(ArrayLib.class));
+        glob.define(null, false, wp.getConstr(DateLib.class));
+        glob.define(null, false, wp.getConstr(ObjectLib.class));
+        glob.define(null, false, wp.getConstr(FunctionLib.class));
+        glob.define(null, false, wp.getConstr(ArrayLib.class));
 
-        glob.define(false, wp.getConstr(BooleanLib.class));
-        glob.define(false, wp.getConstr(NumberLib.class));
-        glob.define(false, wp.getConstr(StringLib.class));
-        glob.define(false, wp.getConstr(SymbolLib.class));
+        glob.define(null, false, wp.getConstr(BooleanLib.class));
+        glob.define(null, false, wp.getConstr(NumberLib.class));
+        glob.define(null, false, wp.getConstr(StringLib.class));
+        glob.define(null, false, wp.getConstr(SymbolLib.class));
 
-        glob.define(false, wp.getConstr(PromiseLib.class));
-        glob.define(false, wp.getConstr(RegExpLib.class));
-        glob.define(false, wp.getConstr(MapLib.class));
-        glob.define(false, wp.getConstr(SetLib.class));
+        glob.define(null, false, wp.getConstr(PromiseLib.class));
+        glob.define(null, false, wp.getConstr(RegExpLib.class));
+        glob.define(null, false, wp.getConstr(MapLib.class));
+        glob.define(null, false, wp.getConstr(SetLib.class));
 
-        glob.define(false, wp.getConstr(ErrorLib.class));
-        glob.define(false, wp.getConstr(SyntaxErrorLib.class));
-        glob.define(false, wp.getConstr(TypeErrorLib.class));
-        glob.define(false, wp.getConstr(RangeErrorLib.class));
+        glob.define(null, false, wp.getConstr(ErrorLib.class));
+        glob.define(null, false, wp.getConstr(SyntaxErrorLib.class));
+        glob.define(null, false, wp.getConstr(TypeErrorLib.class));
+        glob.define(null, false, wp.getConstr(RangeErrorLib.class));
 
         env.add(Environment.OBJECT_PROTO, wp.getProto(ObjectLib.class));
         env.add(Environment.FUNCTION_PROTO, wp.getProto(FunctionLib.class));

src/java/me/topchetoeu/jscript/lib/JSONLib.java

@@ -1,8 +1,8 @@
 package me.topchetoeu.jscript.lib;
 
 import me.topchetoeu.jscript.common.json.JSON;
-import me.topchetoeu.jscript.core.exceptions.EngineException;
-import me.topchetoeu.jscript.core.exceptions.SyntaxException;
+import me.topchetoeu.jscript.runtime.exceptions.EngineException;
+import me.topchetoeu.jscript.runtime.exceptions.SyntaxException;
 import me.topchetoeu.jscript.utils.interop.Arguments;
 import me.topchetoeu.jscript.utils.interop.Expose;
 import me.topchetoeu.jscript.utils.interop.ExposeTarget;

src/java/me/topchetoeu/jscript/lib/MapLib.java

@@ -4,10 +4,10 @@ import java.util.ArrayList;
 import java.util.LinkedHashMap;
 import java.util.stream.Collectors;
 
-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.runtime.Context;
+import me.topchetoeu.jscript.runtime.values.ArrayValue;
+import me.topchetoeu.jscript.runtime.values.ObjectValue;
+import me.topchetoeu.jscript.runtime.values.Values;
 import me.topchetoeu.jscript.utils.interop.Arguments;
 import me.topchetoeu.jscript.utils.interop.Expose;
 import me.topchetoeu.jscript.utils.interop.ExposeConstructor;

src/java/me/topchetoeu/jscript/lib/NumberLib.java

@@ -1,7 +1,7 @@
 package me.topchetoeu.jscript.lib;
 
-import me.topchetoeu.jscript.core.values.ObjectValue;
-import me.topchetoeu.jscript.core.values.Values;
+import me.topchetoeu.jscript.runtime.values.ObjectValue;
+import me.topchetoeu.jscript.runtime.values.Values;
 import me.topchetoeu.jscript.utils.interop.Arguments;
 import me.topchetoeu.jscript.utils.interop.Expose;
 import me.topchetoeu.jscript.utils.interop.ExposeConstructor;

src/java/me/topchetoeu/jscript/lib/ObjectLib.java

@@ -1,11 +1,11 @@
 package me.topchetoeu.jscript.lib;
 
-import me.topchetoeu.jscript.core.values.ArrayValue;
-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.core.exceptions.EngineException;
+import me.topchetoeu.jscript.runtime.exceptions.EngineException;
+import me.topchetoeu.jscript.runtime.values.ArrayValue;
+import me.topchetoeu.jscript.runtime.values.FunctionValue;
+import me.topchetoeu.jscript.runtime.values.ObjectValue;
+import me.topchetoeu.jscript.runtime.values.Symbol;
+import me.topchetoeu.jscript.runtime.values.Values;
 import me.topchetoeu.jscript.utils.interop.Arguments;
 import me.topchetoeu.jscript.utils.interop.Expose;
 import me.topchetoeu.jscript.utils.interop.ExposeConstructor;

src/java/me/topchetoeu/jscript/lib/PromiseLib.java

@@ -4,16 +4,16 @@ import java.util.ArrayList;
 import java.util.List;
 
 import me.topchetoeu.jscript.common.ResultRunnable;
-import me.topchetoeu.jscript.core.Context;
-import me.topchetoeu.jscript.core.EventLoop;
-import me.topchetoeu.jscript.core.Extensions;
-import me.topchetoeu.jscript.core.values.ArrayValue;
-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;
-import me.topchetoeu.jscript.core.exceptions.InterruptException;
+import me.topchetoeu.jscript.runtime.Context;
+import me.topchetoeu.jscript.runtime.EventLoop;
+import me.topchetoeu.jscript.runtime.Extensions;
+import me.topchetoeu.jscript.runtime.exceptions.EngineException;
+import me.topchetoeu.jscript.runtime.exceptions.InterruptException;
+import me.topchetoeu.jscript.runtime.values.ArrayValue;
+import me.topchetoeu.jscript.runtime.values.FunctionValue;
+import me.topchetoeu.jscript.runtime.values.NativeFunction;
+import me.topchetoeu.jscript.runtime.values.ObjectValue;
+import me.topchetoeu.jscript.runtime.values.Values;
 import me.topchetoeu.jscript.utils.interop.Arguments;
 import me.topchetoeu.jscript.utils.interop.Expose;
 import me.topchetoeu.jscript.utils.interop.ExposeConstructor;
@@ -53,26 +53,29 @@ public class PromiseLib {
     private Object val;
 
     private void resolveSynchronized(Context ctx, Object val, int newState) {
-        if (!ctx.hasNotNull(EventLoop.KEY)) throw EngineException.ofError("No event loop");
-
-        ctx.get(EventLoop.KEY).pushMsg(() -> {
-            this.val = val;
-            this.state = newState;
-
-            for (var handle : handles) {
-                if (newState == STATE_FULFILLED) handle.onFulfil(val);
-                if (newState == STATE_REJECTED) {
-                    handle.onReject((EngineException)val);
-                    handled = true;
-                }
+        this.val = val;
+        this.state = newState;
+    
+        for (var handle : handles) {
+            if (newState == STATE_FULFILLED) handle.onFulfil(val);
+            if (newState == STATE_REJECTED) {
+                handle.onReject((EngineException)val);
+                handled = true;
             }
+        }
 
-            if (state == STATE_REJECTED && !handled) {
-                Values.printError(((EngineException)val).setCtx(ctx), "(in promise)");
-            }
+        if (state == STATE_REJECTED && !handled) {
+            Values.printError(((EngineException)val).setCtx(ctx), "(in promise)");
+        }
 
-            handles = null;
-        }, true);
+        handles = null;
+
+        // ctx.get(EventLoop.KEY).pushMsg(() -> {
+        //     if (!ctx.hasNotNull(EventLoop.KEY)) throw EngineException.ofError("No event loop");
+
+
+        //     handles = null;
+        // }, true);
         
     }
     private synchronized void resolve(Context ctx, Object val, int newState) {

src/java/me/topchetoeu/jscript/lib/RangeErrorLib.java

@@ -1,7 +1,7 @@
 package me.topchetoeu.jscript.lib;
 
-import me.topchetoeu.jscript.core.values.ObjectValue;
-import me.topchetoeu.jscript.core.values.ObjectValue.PlaceholderProto;
+import me.topchetoeu.jscript.runtime.values.ObjectValue;
+import me.topchetoeu.jscript.runtime.values.ObjectValue.PlaceholderProto;
 import me.topchetoeu.jscript.utils.interop.Arguments;
 import me.topchetoeu.jscript.utils.interop.ExposeConstructor;
 import me.topchetoeu.jscript.utils.interop.ExposeField;

src/java/me/topchetoeu/jscript/lib/RegExpLib.java

@@ -4,12 +4,12 @@ import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.regex.Pattern;
 
-import me.topchetoeu.jscript.core.Context;
-import me.topchetoeu.jscript.core.values.ArrayValue;
-import me.topchetoeu.jscript.core.values.FunctionValue;
-import me.topchetoeu.jscript.core.values.NativeWrapper;
-import me.topchetoeu.jscript.core.values.ObjectValue;
-import me.topchetoeu.jscript.core.values.Values;
+import me.topchetoeu.jscript.runtime.Context;
+import me.topchetoeu.jscript.runtime.values.ArrayValue;
+import me.topchetoeu.jscript.runtime.values.FunctionValue;
+import me.topchetoeu.jscript.runtime.values.NativeWrapper;
+import me.topchetoeu.jscript.runtime.values.ObjectValue;
+import me.topchetoeu.jscript.runtime.values.Values;
 import me.topchetoeu.jscript.utils.interop.Arguments;
 import me.topchetoeu.jscript.utils.interop.Expose;
 import me.topchetoeu.jscript.utils.interop.ExposeConstructor;

src/java/me/topchetoeu/jscript/lib/SetLib.java

@@ -4,10 +4,10 @@ import java.util.ArrayList;
 import java.util.LinkedHashSet;
 import java.util.stream.Collectors;
 
-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.runtime.Context;
+import me.topchetoeu.jscript.runtime.values.ArrayValue;
+import me.topchetoeu.jscript.runtime.values.ObjectValue;
+import me.topchetoeu.jscript.runtime.values.Values;
 import me.topchetoeu.jscript.utils.interop.Arguments;
 import me.topchetoeu.jscript.utils.interop.Expose;
 import me.topchetoeu.jscript.utils.interop.ExposeConstructor;

src/java/me/topchetoeu/jscript/lib/StringLib.java

@@ -2,13 +2,13 @@ package me.topchetoeu.jscript.lib;
 
 import java.util.regex.Pattern;
 
-import me.topchetoeu.jscript.core.Environment;
-import me.topchetoeu.jscript.core.values.ArrayValue;
-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.core.exceptions.EngineException;
+import me.topchetoeu.jscript.runtime.Environment;
+import me.topchetoeu.jscript.runtime.exceptions.EngineException;
+import me.topchetoeu.jscript.runtime.values.ArrayValue;
+import me.topchetoeu.jscript.runtime.values.FunctionValue;
+import me.topchetoeu.jscript.runtime.values.ObjectValue;
+import me.topchetoeu.jscript.runtime.values.Symbol;
+import me.topchetoeu.jscript.runtime.values.Values;
 import me.topchetoeu.jscript.utils.interop.Arguments;
 import me.topchetoeu.jscript.utils.interop.Expose;
 import me.topchetoeu.jscript.utils.interop.ExposeConstructor;

src/java/me/topchetoeu/jscript/lib/SymbolLib.java

@@ -3,10 +3,10 @@ package me.topchetoeu.jscript.lib;
 import java.util.HashMap;
 import java.util.Map;
 
-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.core.exceptions.EngineException;
+import me.topchetoeu.jscript.runtime.exceptions.EngineException;
+import me.topchetoeu.jscript.runtime.values.ObjectValue;
+import me.topchetoeu.jscript.runtime.values.Symbol;
+import me.topchetoeu.jscript.runtime.values.Values;
 import me.topchetoeu.jscript.utils.interop.Arguments;
 import me.topchetoeu.jscript.utils.interop.Expose;
 import me.topchetoeu.jscript.utils.interop.ExposeConstructor;

src/java/me/topchetoeu/jscript/lib/SyntaxErrorLib.java

@@ -1,7 +1,7 @@
 package me.topchetoeu.jscript.lib;
 
-import me.topchetoeu.jscript.core.values.ObjectValue;
-import me.topchetoeu.jscript.core.values.ObjectValue.PlaceholderProto;
+import me.topchetoeu.jscript.runtime.values.ObjectValue;
+import me.topchetoeu.jscript.runtime.values.ObjectValue.PlaceholderProto;
 import me.topchetoeu.jscript.utils.interop.Arguments;
 import me.topchetoeu.jscript.utils.interop.ExposeConstructor;
 import me.topchetoeu.jscript.utils.interop.ExposeField;

src/java/me/topchetoeu/jscript/lib/TypeErrorLib.java

@@ -1,7 +1,7 @@
 package me.topchetoeu.jscript.lib;
 
-import me.topchetoeu.jscript.core.values.ObjectValue;
-import me.topchetoeu.jscript.core.values.ObjectValue.PlaceholderProto;
+import me.topchetoeu.jscript.runtime.values.ObjectValue;
+import me.topchetoeu.jscript.runtime.values.ObjectValue.PlaceholderProto;
 import me.topchetoeu.jscript.utils.interop.Arguments;
 import me.topchetoeu.jscript.utils.interop.ExposeConstructor;
 import me.topchetoeu.jscript.utils.interop.ExposeField;

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

@@ -1,10 +1,10 @@
-package me.topchetoeu.jscript.core;
+package me.topchetoeu.jscript.runtime;
 
 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;
+import me.topchetoeu.jscript.runtime.exceptions.EngineException;
+import me.topchetoeu.jscript.runtime.scope.ValueVariable;
+import me.topchetoeu.jscript.runtime.values.CodeFunction;
 
 public interface Compiler {
     public Key<Compiler> KEY = new Key<>();

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

@@ -1,14 +1,14 @@
-package me.topchetoeu.jscript.core;
+package me.topchetoeu.jscript.runtime;
 
 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;
+import me.topchetoeu.jscript.runtime.debug.DebugContext;
+import me.topchetoeu.jscript.runtime.exceptions.EngineException;
+import me.topchetoeu.jscript.runtime.scope.ValueVariable;
+import me.topchetoeu.jscript.runtime.values.CodeFunction;
+import me.topchetoeu.jscript.runtime.values.FunctionValue;
 
 public class Context implements Extensions {
     public static final Context NULL = new Context();

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

@@ -1,12 +1,10 @@
-package me.topchetoeu.jscript.core;
+package me.topchetoeu.jscript.runtime;
 
 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;
+import me.topchetoeu.jscript.runtime.exceptions.InterruptException;
 
 public class Engine implements EventLoop {
     private static class Task<T> implements Comparable<Task<?>> {
@@ -78,18 +76,6 @@ public class Engine implements EventLoop {
         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/runtime/Environment.java

@@ -1,12 +1,12 @@
-package me.topchetoeu.jscript.core;
+package me.topchetoeu.jscript.runtime;
 
 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.runtime.exceptions.EngineException;
+import me.topchetoeu.jscript.runtime.scope.GlobalScope;
+import me.topchetoeu.jscript.runtime.values.FunctionValue;
+import me.topchetoeu.jscript.runtime.values.NativeFunction;
+import me.topchetoeu.jscript.runtime.values.ObjectValue;
 import me.topchetoeu.jscript.utils.interop.NativeWrapperProvider;
 
 @SuppressWarnings("unchecked")

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

@@ -1,8 +1,10 @@
-package me.topchetoeu.jscript.core;
+package me.topchetoeu.jscript.runtime;
 
+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.EngineException;
+import me.topchetoeu.jscript.runtime.exceptions.EngineException;
+import me.topchetoeu.jscript.runtime.values.FunctionValue;
 
 public interface EventLoop {
     public static final Key<EventLoop> KEY = new Key<>();
@@ -20,4 +22,16 @@ public interface EventLoop {
     public default DataNotifier<Void> pushMsg(Runnable runnable, boolean micro) {
         return pushMsg(() -> { runnable.run(); return null; }, micro);
     }
+
+    public default 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 default 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);
+    }
 }

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

@@ -1,6 +1,17 @@
-package me.topchetoeu.jscript.core;
+package me.topchetoeu.jscript.runtime;
+
+import java.util.List;
 
 public interface Extensions {
+    public static Extensions EMPTY = new Extensions() {
+        @Override public <T> void add(Key<T> key, T obj) { }
+        @Override public boolean remove(Key<?> key) { return false; }
+
+        @Override public <T> T get(Key<T> key) { return null; }
+        @Override public boolean has(Key<?> key) { return false; }
+        @Override public Iterable<Key<?>> keys() { return List.of(); }
+    };
+
     <T> T get(Key<T> key);
     <T> void add(Key<T> key, T obj);
     Iterable<Key<?>> keys();
@@ -35,4 +46,9 @@ public interface Extensions {
             add((Key<Object>)key, (Object)source.get(key));
         }
     }
+
+    public static Extensions wrap(Extensions ext) {
+        if (ext == null) return EMPTY;
+        else return ext;
+    }
 }

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

@@ -1,19 +1,19 @@
-package me.topchetoeu.jscript.core;
+package me.topchetoeu.jscript.runtime;
 
 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;
+import me.topchetoeu.jscript.runtime.debug.DebugContext;
+import me.topchetoeu.jscript.runtime.exceptions.EngineException;
+import me.topchetoeu.jscript.runtime.exceptions.InterruptException;
+import me.topchetoeu.jscript.runtime.scope.LocalScope;
+import me.topchetoeu.jscript.runtime.scope.ValueVariable;
+import me.topchetoeu.jscript.runtime.values.ArrayValue;
+import me.topchetoeu.jscript.runtime.values.CodeFunction;
+import me.topchetoeu.jscript.runtime.values.ObjectValue;
+import me.topchetoeu.jscript.runtime.values.ScopeValue;
+import me.topchetoeu.jscript.runtime.values.Values;
 
 public class Frame {
     public static enum TryState {

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

@@ -1,17 +1,17 @@
-package me.topchetoeu.jscript.core;
+package me.topchetoeu.jscript.runtime;
 
 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;
+import me.topchetoeu.jscript.runtime.exceptions.EngineException;
+import me.topchetoeu.jscript.runtime.scope.ValueVariable;
+import me.topchetoeu.jscript.runtime.values.ArrayValue;
+import me.topchetoeu.jscript.runtime.values.CodeFunction;
+import me.topchetoeu.jscript.runtime.values.FunctionValue;
+import me.topchetoeu.jscript.runtime.values.ObjectValue;
+import me.topchetoeu.jscript.runtime.values.Symbol;
+import me.topchetoeu.jscript.runtime.values.Values;
 
 public class InstructionRunner {
     private static Object execReturn(Context ctx, Instruction instr, Frame frame) {
@@ -46,7 +46,7 @@ public class InstructionRunner {
 
     private static Object execMakeVar(Context ctx, Instruction instr, Frame frame) {
         var name = (String)instr.get(0);
-        ctx.environment.global.define(name);
+        ctx.environment.global.define(ctx, name);
         frame.codePtr++;
         return Values.NO_RETURN;
     }

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

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

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

@@ -1,7 +1,7 @@
-package me.topchetoeu.jscript.core;
+package me.topchetoeu.jscript.runtime;
 
-import me.topchetoeu.jscript.core.values.FunctionValue;
-import me.topchetoeu.jscript.core.values.ObjectValue;
+import me.topchetoeu.jscript.runtime.values.FunctionValue;
+import me.topchetoeu.jscript.runtime.values.ObjectValue;
 
 public interface WrapperProvider {
     public ObjectValue getProto(Class<?> obj);

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

@@ -1,4 +1,4 @@
-package me.topchetoeu.jscript.core.debug;
+package me.topchetoeu.jscript.runtime.debug;
 
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -10,13 +10,13 @@ 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;
+import me.topchetoeu.jscript.runtime.Context;
+import me.topchetoeu.jscript.runtime.Extensions;
+import me.topchetoeu.jscript.runtime.Frame;
+import me.topchetoeu.jscript.runtime.Key;
+import me.topchetoeu.jscript.runtime.exceptions.EngineException;
+import me.topchetoeu.jscript.runtime.values.CodeFunction;
+import me.topchetoeu.jscript.runtime.values.FunctionValue;
 
 public class DebugContext {
     public static final Key<DebugContext> KEY = new Key<>();
@@ -32,10 +32,17 @@ public class DebugContext {
         if (sources != null) {
             for (var source : sources.entrySet()) debugger.onSourceLoad(source.getKey(), source.getValue());
         }
+        if (maps != null) {
+            for (var map : maps.entrySet()) debugger.onFunctionLoad(map.getKey(), map.getValue());
+        }
 
         this.debugger = debugger;
         return true;
     }
+    public boolean detachDebugger(DebugHandler debugger) {
+        if (this.debugger != debugger) return false;
+        return detachDebugger();
+    }
     public boolean detachDebugger() {
         this.debugger = null;
         return true;

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

@@ -1,12 +1,12 @@
-package me.topchetoeu.jscript.core.debug;
+package me.topchetoeu.jscript.runtime.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;
+import me.topchetoeu.jscript.runtime.Context;
+import me.topchetoeu.jscript.runtime.Frame;
+import me.topchetoeu.jscript.runtime.exceptions.EngineException;
 
 public interface DebugHandler {
     /**

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

@@ -1,4 +1,4 @@
-package me.topchetoeu.jscript.core.exceptions;
+package me.topchetoeu.jscript.runtime.exceptions;
 
 public class ConvertException extends RuntimeException {
     public final String source, target;

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

@@ -1,14 +1,14 @@
-package me.topchetoeu.jscript.core.exceptions;
+package me.topchetoeu.jscript.runtime.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;
+import me.topchetoeu.jscript.runtime.Context;
+import me.topchetoeu.jscript.runtime.Environment;
+import me.topchetoeu.jscript.runtime.values.ObjectValue;
+import me.topchetoeu.jscript.runtime.values.Values;
+import me.topchetoeu.jscript.runtime.values.ObjectValue.PlaceholderProto;
 
 public class EngineException extends RuntimeException {
     public static class StackElement {

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

@@ -1,4 +1,4 @@
-package me.topchetoeu.jscript.core.exceptions;
+package me.topchetoeu.jscript.runtime.exceptions;
 
 public class InterruptException extends RuntimeException {
     public InterruptException() { }

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

@@ -1,4 +1,4 @@
-package me.topchetoeu.jscript.core.exceptions;
+package me.topchetoeu.jscript.runtime.exceptions;
 
 import me.topchetoeu.jscript.common.Location;
 

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

@@ -1,42 +1,35 @@
-package me.topchetoeu.jscript.core.scope;
+package me.topchetoeu.jscript.runtime.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;
+import me.topchetoeu.jscript.runtime.Context;
+import me.topchetoeu.jscript.runtime.exceptions.EngineException;
+import me.topchetoeu.jscript.runtime.values.FunctionValue;
+import me.topchetoeu.jscript.runtime.values.NativeFunction;
+import me.topchetoeu.jscript.runtime.values.ObjectValue;
+import me.topchetoeu.jscript.runtime.values.Values;
 
-public class GlobalScope implements ScopeRecord {
+public class GlobalScope {
     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);
+    public Object define(Context ctx, String name) {
+        if (Values.hasMember(ctx, obj, name, false)) return name;
+        obj.defineProperty(ctx, name, null);
         return name;
     }
-    public void define(String name, Variable val) {
-        obj.defineProperty(Context.NULL, name,
+    public void define(Context ctx, String name, Variable val) {
+        obj.defineProperty(ctx, 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
@@ -45,11 +38,11 @@ public class GlobalScope implements ScopeRecord {
     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(Context ctx, String ...names) {
+        for (var n : names) define(ctx, n);
     }
-    public void define(boolean readonly, FunctionValue val) {
-        define(null, val.name, readonly, val);
+    public void define(Context ctx, boolean readonly, FunctionValue val) {
+        define(ctx, val.name, readonly, val);
     }
 
     public Object get(Context ctx, String name) {

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

@@ -1,4 +1,4 @@
-package me.topchetoeu.jscript.core.scope;
+package me.topchetoeu.jscript.runtime.scope;
 
 import java.util.ArrayList;
 

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

@@ -1,7 +1,7 @@
-package me.topchetoeu.jscript.core.scope;
+package me.topchetoeu.jscript.runtime.scope;
 
-import me.topchetoeu.jscript.core.Context;
-import me.topchetoeu.jscript.core.values.Values;
+import me.topchetoeu.jscript.runtime.Context;
+import me.topchetoeu.jscript.runtime.values.Values;
 
 public class ValueVariable implements Variable {
     public boolean readonly;

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

@@ -1,6 +1,6 @@
-package me.topchetoeu.jscript.core.scope;
+package me.topchetoeu.jscript.runtime.scope;
 
-import me.topchetoeu.jscript.core.Context;
+import me.topchetoeu.jscript.runtime.Context;
 
 public interface Variable {
     Object get(Context ctx);

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

@@ -1,4 +1,4 @@
-package me.topchetoeu.jscript.core.values;
+package me.topchetoeu.jscript.runtime.values;
 
 import java.util.Arrays;
 import java.util.Collection;
@@ -6,7 +6,7 @@ import java.util.Comparator;
 import java.util.Iterator;
 import java.util.List;
 
-import me.topchetoeu.jscript.core.Context;
+import me.topchetoeu.jscript.runtime.Context;
 
 // TODO: Make methods generic
 public class ArrayValue extends ObjectValue implements Iterable<Object> {

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

@@ -1,10 +1,10 @@
-package me.topchetoeu.jscript.core.values;
+package me.topchetoeu.jscript.runtime.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;
+import me.topchetoeu.jscript.runtime.Context;
+import me.topchetoeu.jscript.runtime.Environment;
+import me.topchetoeu.jscript.runtime.Frame;
+import me.topchetoeu.jscript.runtime.scope.ValueVariable;
 
 public class CodeFunction extends FunctionValue {
     public final FunctionBody body;

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

@@ -1,4 +1,4 @@
-package me.topchetoeu.jscript.core.values;
+package me.topchetoeu.jscript.runtime.values;
 
 public enum ConvertHint {
     TOSTRING,

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

@@ -1,8 +1,8 @@
-package me.topchetoeu.jscript.core.values;
+package me.topchetoeu.jscript.runtime.values;
 
 import java.util.List;
 
-import me.topchetoeu.jscript.core.Context;
+import me.topchetoeu.jscript.runtime.Context;
 
 public abstract class FunctionValue extends ObjectValue {
     public String name = "";

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

@@ -1,6 +1,6 @@
-package me.topchetoeu.jscript.core.values;
+package me.topchetoeu.jscript.runtime.values;
 
-import me.topchetoeu.jscript.core.Context;
+import me.topchetoeu.jscript.runtime.Context;
 import me.topchetoeu.jscript.utils.interop.Arguments;
 
 public class NativeFunction extends FunctionValue {

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

@@ -0,0 +1,53 @@
+package me.topchetoeu.jscript.runtime.values;
+
+import java.util.WeakHashMap;
+
+import me.topchetoeu.jscript.runtime.Context;
+import me.topchetoeu.jscript.runtime.Extensions;
+import me.topchetoeu.jscript.runtime.Key;
+
+public class NativeWrapper extends ObjectValue {
+    private static final Key<WeakHashMap<Object, NativeWrapper>> WRAPPERS = new Key<>();
+    private static final Object NATIVE_PROTO = new Object();
+    public final Object wrapped;
+
+    @Override
+    public ObjectValue getPrototype(Context ctx) {
+        if (ctx.environment != null && prototype == NATIVE_PROTO) {
+            var clazz = wrapped.getClass();
+            var res = ctx.environment.wrappers.getProto(clazz);
+            if (res != null) return res;
+        }
+        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();
+    }
+
+    private NativeWrapper(Object wrapped) {
+        this.wrapped = wrapped;
+        prototype = NATIVE_PROTO;
+    }
+
+    public static NativeWrapper of(Extensions exts, Object wrapped) {
+        var wrappers = exts == null ? null : exts.get(WRAPPERS);
+
+        if (wrappers == null) return new NativeWrapper(wrapped);
+        if (wrappers.containsKey(wrapped)) return wrappers.get(wrapped);
+
+        var res = new NativeWrapper(wrapped);
+        wrappers.put(wrapped, res);
+
+        return res;
+    }
+}

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

@@ -1,4 +1,4 @@
-package me.topchetoeu.jscript.core.values;
+package me.topchetoeu.jscript.runtime.values;
 
 import java.util.ArrayList;
 import java.util.LinkedHashMap;
@@ -6,8 +6,8 @@ import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Map;
 
-import me.topchetoeu.jscript.core.Context;
-import me.topchetoeu.jscript.core.Environment;
+import me.topchetoeu.jscript.runtime.Context;
+import me.topchetoeu.jscript.runtime.Environment;
 
 public class ObjectValue {
     public static enum PlaceholderProto {
@@ -153,18 +153,18 @@ public class ObjectValue {
     }
 
     public ObjectValue getPrototype(Context ctx) {
+        if (prototype instanceof ObjectValue || prototype == null) return (ObjectValue)prototype;
+
         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);
+            return ctx.get(Environment.OBJECT_PROTO);
         }
         catch (NullPointerException e) { return null; }
-
-        return (ObjectValue)prototype;
     }
     public final boolean setPrototype(PlaceholderProto val) {
         if (!extensible()) return false;

src/java/me/topchetoeu/jscript/runtime/values/ScopeValue.java

@@ -1,10 +1,10 @@
-package me.topchetoeu.jscript.core.values;
+package me.topchetoeu.jscript.runtime.values;
 
 import java.util.HashMap;
 import java.util.List;
 
-import me.topchetoeu.jscript.core.Context;
-import me.topchetoeu.jscript.core.scope.ValueVariable;
+import me.topchetoeu.jscript.runtime.Context;
+import me.topchetoeu.jscript.runtime.scope.ValueVariable;
 
 public class ScopeValue extends ObjectValue {
     public final ValueVariable[] variables;

src/java/me/topchetoeu/jscript/runtime/values/Symbol.java

@@ -1,4 +1,4 @@
-package me.topchetoeu.jscript.core.values;
+package me.topchetoeu.jscript.runtime.values;
 
 import java.util.HashMap;
 

src/java/me/topchetoeu/jscript/runtime/values/Values.java

@@ -1,4 +1,4 @@
-package me.topchetoeu.jscript.core.values;
+package me.topchetoeu.jscript.runtime.values;
 
 import java.io.ByteArrayOutputStream;
 import java.io.PrintStream;
@@ -13,13 +13,13 @@ import java.util.List;
 import java.util.Map;
 
 import me.topchetoeu.jscript.common.Operation;
-import me.topchetoeu.jscript.core.Context;
-import me.topchetoeu.jscript.core.Environment;
-import me.topchetoeu.jscript.core.debug.DebugContext;
-import me.topchetoeu.jscript.core.exceptions.ConvertException;
-import me.topchetoeu.jscript.core.exceptions.EngineException;
-import me.topchetoeu.jscript.core.exceptions.SyntaxException;
 import me.topchetoeu.jscript.lib.PromiseLib;
+import me.topchetoeu.jscript.runtime.Context;
+import me.topchetoeu.jscript.runtime.Environment;
+import me.topchetoeu.jscript.runtime.debug.DebugContext;
+import me.topchetoeu.jscript.runtime.exceptions.ConvertException;
+import me.topchetoeu.jscript.runtime.exceptions.EngineException;
+import me.topchetoeu.jscript.runtime.exceptions.SyntaxException;
 
 public class Values {
     public static enum CompareResult {
@@ -58,9 +58,8 @@ public class Values {
 
     @SuppressWarnings("unchecked")
     public static <T> T wrapper(Object val, Class<T> clazz) { 
-        if (!isWrapper(val)) val = new NativeWrapper(val);
-        var res = (NativeWrapper)val;
-        if (res != null && clazz.isInstance(res.wrapped)) return (T)res.wrapped;
+        if (isWrapper(val)) val = ((NativeWrapper)val).wrapped;
+        if (val != null && clazz.isInstance(val)) return (T)val;
         else return null;
     }
 
@@ -471,7 +470,7 @@ public class Values {
             else return ctx.environment.wrappers.getConstr((Class<?>)val);
         }
 
-        return new NativeWrapper(val);
+        return NativeWrapper.of(ctx, val);
     }
 
     @SuppressWarnings("unchecked")
@@ -536,7 +535,7 @@ public class Values {
         if (obj == null) return null;
         if (clazz.isInstance(obj)) return (T)obj;
         if (clazz.isAssignableFrom(NativeWrapper.class)) {
-            return (T)new NativeWrapper(obj);
+            return (T)NativeWrapper.of(ctx, obj);
         }
 
         throw new ConvertException(type(obj), clazz.getSimpleName());

src/java/me/topchetoeu/jscript/utils/JSCompiler.java

@@ -4,9 +4,9 @@ import me.topchetoeu.jscript.common.Filename;
 import me.topchetoeu.jscript.common.FunctionBody;
 import me.topchetoeu.jscript.compilation.CompileResult;
 import me.topchetoeu.jscript.compilation.parsing.Parsing;
-import me.topchetoeu.jscript.core.Compiler;
-import me.topchetoeu.jscript.core.Extensions;
-import me.topchetoeu.jscript.core.debug.DebugContext;
+import me.topchetoeu.jscript.runtime.Compiler;
+import me.topchetoeu.jscript.runtime.Extensions;
+import me.topchetoeu.jscript.runtime.debug.DebugContext;
 
 public class JSCompiler implements Compiler {
     public final Extensions ext;

src/java/me/topchetoeu/jscript/utils/JScriptRepl.java

@@ -8,18 +8,18 @@ import java.nio.file.Path;
 import me.topchetoeu.jscript.common.Filename;
 import me.topchetoeu.jscript.common.Metadata;
 import me.topchetoeu.jscript.common.Reading;
-import me.topchetoeu.jscript.core.Compiler;
-import me.topchetoeu.jscript.core.Context;
-import me.topchetoeu.jscript.core.Engine;
-import me.topchetoeu.jscript.core.Environment;
-import me.topchetoeu.jscript.core.EventLoop;
-import me.topchetoeu.jscript.core.debug.DebugContext;
-import me.topchetoeu.jscript.core.values.NativeFunction;
-import me.topchetoeu.jscript.core.values.Values;
-import me.topchetoeu.jscript.core.exceptions.EngineException;
-import me.topchetoeu.jscript.core.exceptions.InterruptException;
-import me.topchetoeu.jscript.core.exceptions.SyntaxException;
 import me.topchetoeu.jscript.lib.Internals;
+import me.topchetoeu.jscript.runtime.Compiler;
+import me.topchetoeu.jscript.runtime.Context;
+import me.topchetoeu.jscript.runtime.Engine;
+import me.topchetoeu.jscript.runtime.Environment;
+import me.topchetoeu.jscript.runtime.EventLoop;
+import me.topchetoeu.jscript.runtime.debug.DebugContext;
+import me.topchetoeu.jscript.runtime.exceptions.EngineException;
+import me.topchetoeu.jscript.runtime.exceptions.InterruptException;
+import me.topchetoeu.jscript.runtime.exceptions.SyntaxException;
+import me.topchetoeu.jscript.runtime.values.NativeFunction;
+import me.topchetoeu.jscript.runtime.values.Values;
 import me.topchetoeu.jscript.utils.debug.DebugServer;
 import me.topchetoeu.jscript.utils.debug.SimpleDebugger;
 import me.topchetoeu.jscript.utils.filesystem.Filesystem;
@@ -87,10 +87,10 @@ public class JScriptRepl {
     private static void initEnv() {
         environment = Internals.apply(environment);
 
-        environment.global.define(false, new NativeFunction("exit", args -> {
+        environment.global.define(null, false, new NativeFunction("exit", args -> {
             throw new InterruptException();
         }));
-        environment.global.define(false, new NativeFunction("go", args -> {
+        environment.global.define(null, false, new NativeFunction("go", args -> {
             try {
                 var f = Path.of("do.js");
                 var func = args.ctx.compile(new Filename("do", "do/" + j++ + ".js"), new String(Files.readAllBytes(f)));
@@ -100,7 +100,7 @@ public class JScriptRepl {
                 throw new EngineException("Couldn't open do.js");
             }
         }));
-        environment.global.define(false, new NativeFunction("log", args -> {
+        environment.global.define(null, false, new NativeFunction("log", args -> {
             for (var el : args.args) {
                 Values.printValue(args.ctx, el);
             }
@@ -111,7 +111,7 @@ public class JScriptRepl {
         var fs = new RootFilesystem(PermissionsProvider.get(environment));
         fs.protocols.put("temp", new MemoryFilesystem(Mode.READ_WRITE));
         fs.protocols.put("file", new PhysicalFilesystem("."));
-        fs.protocols.put("std", STDFilesystem.ofStd(System.in, System.out, System.err));
+        fs.protocols.put("std", new STDFilesystem(System.in, System.out, System.err));
 
         environment.add(PermissionsProvider.KEY, PermissionsManager.ALL_PERMS);
         environment.add(Filesystem.KEY, fs);

src/java/me/topchetoeu/jscript/utils/debug/DebugServer.java

@@ -15,8 +15,8 @@ import me.topchetoeu.jscript.common.events.Notifier;
 import me.topchetoeu.jscript.common.json.JSON;
 import me.topchetoeu.jscript.common.json.JSONList;
 import me.topchetoeu.jscript.common.json.JSONMap;
+import me.topchetoeu.jscript.runtime.exceptions.SyntaxException;
 import me.topchetoeu.jscript.utils.debug.WebSocketMessage.Type;
-import me.topchetoeu.jscript.core.exceptions.SyntaxException;
 
 public class DebugServer {
     public static String browserDisplayName = Metadata.name() + "/" + Metadata.version();

src/java/me/topchetoeu/jscript/utils/debug/Debugger.java

@@ -1,8 +1,9 @@
 package me.topchetoeu.jscript.utils.debug;
 
-import me.topchetoeu.jscript.core.debug.DebugHandler;
 import java.io.IOException;
 
+import me.topchetoeu.jscript.runtime.debug.DebugHandler;
+
 public interface Debugger extends DebugHandler {
     void close();
 

src/java/me/topchetoeu/jscript/utils/debug/SimpleDebugger.java

@@ -23,25 +23,28 @@ import me.topchetoeu.jscript.common.json.JSONList;
 import me.topchetoeu.jscript.common.json.JSONMap;
 import me.topchetoeu.jscript.common.mapping.FunctionMap;
 import me.topchetoeu.jscript.compilation.parsing.Parsing;
-import me.topchetoeu.jscript.core.Context;
-import me.topchetoeu.jscript.core.Engine;
-import me.topchetoeu.jscript.core.Environment;
-import me.topchetoeu.jscript.core.EventLoop;
-import me.topchetoeu.jscript.core.Frame;
-import me.topchetoeu.jscript.core.debug.DebugContext;
-import me.topchetoeu.jscript.core.scope.GlobalScope;
-import me.topchetoeu.jscript.core.values.ArrayValue;
-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.core.exceptions.EngineException;
+import me.topchetoeu.jscript.runtime.Context;
+import me.topchetoeu.jscript.runtime.Engine;
+import me.topchetoeu.jscript.runtime.Environment;
+import me.topchetoeu.jscript.runtime.EventLoop;
+import me.topchetoeu.jscript.runtime.Frame;
+import me.topchetoeu.jscript.runtime.debug.DebugContext;
+import me.topchetoeu.jscript.runtime.exceptions.EngineException;
+import me.topchetoeu.jscript.runtime.exceptions.SyntaxException;
+import me.topchetoeu.jscript.runtime.scope.GlobalScope;
+import me.topchetoeu.jscript.runtime.values.ArrayValue;
+import me.topchetoeu.jscript.runtime.values.FunctionValue;
+import me.topchetoeu.jscript.runtime.values.ObjectValue;
+import me.topchetoeu.jscript.runtime.values.Symbol;
+import me.topchetoeu.jscript.runtime.values.Values;
 
 // very simple indeed
 public class SimpleDebugger implements Debugger {
     public static final Set<String> VSCODE_EMPTY = Set.of(
         "function(...runtimeArgs){\n    let t = 1024; let e = null;\n    if(e)try{let r=\"<<default preview>>\",i=e.call(this,r);if(i!==r)return String(i)}catch(r){return`<<indescribable>>${JSON.stringify([String(r),\"object\"])}`}if(typeof this==\"object\"&&this){let r;for(let i of[Symbol.for(\"debug.description\"),Symbol.for(\"nodejs.util.inspect.custom\")])try{r=this[i]();break}catch{}if(!r&&!String(this.toString).includes(\"[native code]\")&&(r=String(this)),r&&!r.startsWith(\"[object \"))return r.length>=t?r.slice(0,t)+\"\\u2026\":r}\n  ;\n\n}",
+        "function(...runtimeArgs){\n    let r = 1024; let e = null;\n    if(e)try{let t=\"<<default preview>>\",n=e.call(this,t);if(n!==t)return String(n)}catch(t){return`<<indescribable>>${JSON.stringify([String(t),\"object\"])}`}if(typeof this==\"object\"&&this){let t;for(let n of[Symbol.for(\"debug.description\"),Symbol.for(\"nodejs.util.inspect.custom\")])if(typeof this[n]==\"function\")try{t=this[n]();break}catch{}if(!t&&!String(this.toString).includes(\"[native code]\")&&(t=String(this)),t&&!t.startsWith(\"[object\"))return t.length>=r?t.slice(0,r)+\"\\u2026\":t};}",
         "function(...runtimeArgs){\n    let t = 1024; let e = null;\n    let r={},i=\"<<default preview>>\";if(typeof this!=\"object\"||!this)return r;for(let[n,s]of Object.entries(this)){if(e)try{let o=e.call(s,i);if(o!==i){r[n]=String(o);continue}}catch(o){r[n]=`<<indescribable>>${JSON.stringify([String(o),n])}`;continue}if(typeof s==\"object\"&&s){let o;for(let a of runtimeArgs[0])try{o=s[a]();break}catch{}!o&&!String(s.toString).includes(\"[native code]\")&&(o=String(s)),o&&!o.startsWith(\"[object \")&&(r[n]=o.length>=t?o.slice(0,t)+\"\\u2026\":o)}}return r\n  ;\n\n}",
+        "function(...runtimeArgs){\n    let r = 1024; let e = null;\n    let t={},n=\"<<default preview>>\";if(typeof this!=\"object\"||!this)return t;for(let[i,o]of Object.entries(this)){if(e)try{let s=e.call(o,n);if(s!==n){t[i]=String(s);continue}}catch(s){t[i]=`<<indescribable>>${JSON.stringify([String(s),i])}`;continue}if(typeof o==\"object\"&&o){let s;for(let a of runtimeArgs[0])if(typeof o[a]==\"function\")try{s=o[a]();break}catch{}!s&&!String(o.toString).includes(\"[native code]\")&&(s=String(o)),s&&!s.startsWith(\"[object \")&&(t[i]=s.length>=r?s.slice(0,r)+\"\\u2026\":s)}}return t\n  ;\n\n}",
         "function(){let t={__proto__:this.__proto__\n},e=Object.getOwnPropertyNames(this);for(let r=0;r<e.length;++r){let i=e[r],n=i>>>0;if(String(n>>>0)===i&&n>>>0!==4294967295)continue;let s=Object.getOwnPropertyDescriptor(this,i);s&&Object.defineProperty(t,i,s)}return t}",
         "function(){return[Symbol.for(\"debug.description\"),Symbol.for(\"nodejs.util.inspect.custom\")]\n}"
     );
@@ -83,7 +86,9 @@ public class SimpleDebugger implements Debugger {
         public final String condition;
         public final Pattern pattern;
         public final int line, start;
-        public final WeakHashMap<FunctionBody, Set<Location>> resolvedLocations = new WeakHashMap<>();
+        public final long locNum;
+        public final HashMap<Filename, Location> resolvedLocations = new HashMap<>();
+        public final HashMap<Filename, Long> resolvedDistances = new HashMap<>();
 
         public Breakpoint(int id, Pattern pattern, int line, int start, String condition) {
             this.id = id;
@@ -91,18 +96,28 @@ public class SimpleDebugger implements Debugger {
             this.pattern = pattern;
             this.line = line;
             this.start = start;
+            this.locNum = start | ((long)line << 32);
 
             if (condition != null && condition.trim().equals("")) condition = null;
         }
 
         // TODO: Figure out how to unload a breakpoint
+        // TODO: Do location resolution with function boundaries
         public void addFunc(FunctionBody body, FunctionMap map) {
             try {
                 for (var loc : map.correctBreakpoint(pattern, line, start)) {
-                    if (!resolvedLocations.containsKey(body)) resolvedLocations.put(body, new HashSet<>());
-                    var set = resolvedLocations.get(body);
-                    set.add(loc);
+                    var currNum = loc.start() + ((long)loc.line() << 32);
+                    long currDist = 0;
+                    if (currNum > locNum) currDist = currNum - locNum;
+                    else currDist = locNum - currNum;
 
+                    if ( currDist > resolvedDistances.getOrDefault(loc.filename(), Long.MAX_VALUE)) continue;
+
+                    resolvedLocations.put(loc.filename(), loc);
+                    resolvedDistances.put(loc.filename(), currDist);
+                }
+
+                for (var loc : resolvedLocations.values()) {
                     ws.send(new V8Event("Debugger.breakpointResolved", new JSONMap()
                         .set("breakpointId", id)
                         .set("location", serializeLocation(loc))
@@ -177,7 +192,7 @@ public class SimpleDebugger implements Debugger {
         }
 
         public ObjRef(Context ctx, ObjectValue obj) {
-            this.ctx = ctx;
+            this.ctx = ctx.environment.context();
             this.obj = obj;
         }
     }
@@ -202,8 +217,9 @@ public class SimpleDebugger implements Debugger {
 
     private ObjectValue emptyObject = new ObjectValue();
 
+    private WeakHashMap<DebugContext, DebugContext> contexts = new WeakHashMap<>();
     private WeakHashMap<FunctionBody, FunctionMap> mappings = new WeakHashMap<>();
-    private WeakHashMap<FunctionBody, HashMap<Location, Breakpoint>> bpLocs = new WeakHashMap<>();
+    private HashMap<Location, HashSet<Breakpoint>> bpLocs = new HashMap<>();
 
     private HashMap<Integer, Breakpoint> idToBreakpoint = new HashMap<>();
 
@@ -226,6 +242,8 @@ public class SimpleDebugger implements Debugger {
     private int stepOutPtr = 0;
 
     private boolean compare(String src, String target) {
+        src = src.replaceAll("\\s", "");
+        target = target.replaceAll("\\s", "");
         if (src.length() != target.length()) return false;
         var diff = 0;
         var all = 0;
@@ -291,13 +309,11 @@ public class SimpleDebugger implements Debugger {
         bpLocs.clear();
 
         for (var bp : idToBreakpoint.values()) {
-            for (var el : bp.resolvedLocations.entrySet()) {
-                if (!bpLocs.containsKey(el.getKey())) bpLocs.put(el.getKey(), new HashMap<>());
-                var map = bpLocs.get(el.getKey());
+            for (var loc : bp.resolvedLocations.values()) {
+                bpLocs.putIfAbsent(loc, new HashSet<>());
+                var set = bpLocs.get(loc);
 
-                for (var loc : el.getValue()) {
-                    map.put(loc, bp);
-                }
+                set.add(bp);
             }
         }
     }
@@ -333,10 +349,9 @@ public class SimpleDebugger implements Debugger {
     }
     private JSONMap serializeObj(Context ctx, Object val, boolean byValue) {
         val = Values.normalize(null, val);
-        var newCtx = new Context();
-        newCtx.addAll(ctx);
-        newCtx.add(DebugContext.IGNORE);
-        ctx = newCtx;
+        var newEnv = ctx.environment.child();
+        newEnv.add(DebugContext.IGNORE);
+        ctx = newEnv.context();
 
         if (val == Values.NULL) {
             return new JSONMap()
@@ -366,6 +381,7 @@ public class SimpleDebugger implements Debugger {
             if (subtype != null) res.set("subtype", subtype);
             if (className != null) {
                 res.set("className", className);
+                res.set("description", className);
             }
 
             if (obj instanceof ArrayValue) res.set("description", "Array(" + ((ArrayValue)obj).size() + ")");
@@ -381,7 +397,7 @@ public class SimpleDebugger implements Debugger {
                 catch (Exception e) { }
 
                 try { res.set("description", className + (defaultToString ? "" : " { " + Values.toString(ctx, obj) + " }")); }
-                catch (EngineException e) { res.set("description", className); }
+                catch (EngineException e) {  }
             }
 
 
@@ -537,10 +553,12 @@ public class SimpleDebugger implements Debugger {
         var ctx = new Context(env);
         var awaiter = engine.pushMsg(false, ctx.environment, new Filename("jscript", "eval"), code, codeFrame.frame.thisArg, codeFrame.frame.args);
 
-        engine.run(true);
-
-        try { return new RunResult(ctx, awaiter.await(), null); }
+        try {
+            engine.run(true);
+            return new RunResult(ctx, awaiter.await(), null);
+        }
         catch (EngineException e) { return new RunResult(ctx, null, e); }
+        catch (SyntaxException e) { return new RunResult(ctx, null, EngineException.ofSyntax(e.toString())); }
     }
 
     private ObjectValue vscodeAutoSuggest(Context ctx, Object target, String query, boolean variable) {
@@ -634,11 +652,10 @@ public class SimpleDebugger implements Debugger {
         execptionType = CatchType.NONE;
         state = State.RESUMED;
 
-        // idToBptCand.clear();
+        mappings.clear();
+        bpLocs.clear();
 
         idToBreakpoint.clear();
-        // locToBreakpoint.clear();
-        // tmpBreakpts.clear();
 
         filenameToId.clear();
         idToSource.clear();
@@ -656,6 +673,9 @@ public class SimpleDebugger implements Debugger {
         stepOutFrame = currFrame = null;
         stepOutPtr = 0;
 
+        for (var ctx : contexts.keySet()) ctx.detachDebugger(this);
+        contexts.clear();
+
         updateNotifier.next();
     }
 
@@ -709,16 +729,15 @@ public class SimpleDebugger implements Debugger {
         var bpt = new Breakpoint(nextId(), regex, line, col, cond);
         idToBreakpoint.put(bpt.id, bpt);
 
-        var locs = new JSONList();
 
         for (var el : mappings.entrySet()) {
             bpt.addFunc(el.getKey(), el.getValue());
         }
 
-        for (var el : bpt.resolvedLocations.values()) {
-            for (var loc : el) {
-                locs.add(serializeLocation(loc));
-            }
+        var locs = new JSONList();
+
+        for (var loc : bpt.resolvedLocations.values()) {
+            locs.add(serializeLocation(loc));
         }
 
         ws.send(msg.respond(new JSONMap()
@@ -730,6 +749,7 @@ public class SimpleDebugger implements Debugger {
         var id = Integer.parseInt(msg.params.string("breakpointId"));
 
         idToBreakpoint.remove(id);
+        updateBreakpoints();
         ws.send(msg.respond());
     }
     @Override public synchronized void continueToLocation(V8Message msg) throws IOException {
@@ -958,10 +978,11 @@ public class SimpleDebugger implements Debugger {
             ) {
                 pauseDebug(ctx, null);
             }
-            else if (isBreakpointable && bpLocs.getOrDefault(cf.function.body, new HashMap<>()).containsKey(loc)) {
-                var bp = bpLocs.get(cf.function.body).get(loc);
-                var ok = bp.condition == null ? true : Values.toBoolean(run(currFrame, bp.condition).result);
-                if (ok) pauseDebug(ctx, bp);
+            else if (isBreakpointable && bpLocs.containsKey(loc)) {
+                for (var bp : bpLocs.get(loc)) {
+                    var ok = bp.condition == null ? true : Values.toBoolean(run(currFrame, bp.condition).result);
+                    if (ok) pauseDebug(ctx, bp);
+                }
             }
             // else if (isBreakpointable && tmpBreakpts.remove(loc)) pauseDebug(ctx, null);
             else if (isBreakpointable && pendingPause) {
@@ -1033,6 +1054,7 @@ public class SimpleDebugger implements Debugger {
 
     public SimpleDebugger attach(DebugContext ctx) {
         ctx.attachDebugger(this);
+        contexts.put(ctx, ctx);
         return this;
     }
 

src/java/me/topchetoeu/jscript/utils/filesystem/BaseFile.java

@@ -13,7 +13,7 @@ public abstract class BaseFile<T> implements File {
     protected abstract long onSeek(long offset, int pos);
     protected abstract boolean onClose();
 
-    @Override public int read(byte[] buff) {
+    @Override public synchronized int read(byte[] buff) {
         try {
             if (handle == null) throw new FilesystemException(ErrorReason.CLOSED);
             if (!mode.readable) throw new FilesystemException(ErrorReason.NO_PERMISSION, "File not open for reading.");
@@ -21,7 +21,7 @@ public abstract class BaseFile<T> implements File {
         }
         catch (FilesystemException e) { throw e.setAction(ActionType.READ); }
     }
-    @Override public void write(byte[] buff) {
+    @Override public synchronized void write(byte[] buff) {
         try {
             if (handle == null) throw new FilesystemException(ErrorReason.CLOSED);
             if (!mode.writable) throw new FilesystemException(ErrorReason.NO_PERMISSION, "File not open for writting.");
@@ -29,7 +29,7 @@ public abstract class BaseFile<T> implements File {
         }
         catch (FilesystemException e) { throw e.setAction(ActionType.WRITE); }
     }
-    @Override public long seek(long offset, int pos) {
+    @Override public synchronized long seek(long offset, int pos) {
         try {
             if (handle == null) throw new FilesystemException(ErrorReason.CLOSED);
             if (!mode.writable) throw new FilesystemException(ErrorReason.NO_PERMISSION, "File not open for seeking.");
@@ -37,7 +37,7 @@ public abstract class BaseFile<T> implements File {
         }
         catch (FilesystemException e) { throw e.setAction(ActionType.SEEK); }
     }
-    @Override public boolean close() {
+    @Override public synchronized boolean close() {
         if (handle != null) {
             try {
                 var res = onClose();

src/java/me/topchetoeu/jscript/utils/filesystem/File.java

@@ -66,7 +66,7 @@ public interface File {
 
     public static File ofStream(InputStream str) {
         return new File() {
-            @Override public int read(byte[] buff) {
+            @Override public synchronized int read(byte[] buff) {
                 try {
                     try { return str.read(buff); }
                     catch (NullPointerException e) { throw new FilesystemException(ErrorReason.ILLEGAL_ARGS, e.getMessage()); }
@@ -78,7 +78,7 @@ public interface File {
     }
     public static File ofStream(OutputStream str) {
         return new File() {
-            @Override public void write(byte[] buff) {
+            @Override public synchronized void write(byte[] buff) {
                 try {
                     try { str.write(buff); }
                     catch (NullPointerException e) {throw new FilesystemException(ErrorReason.ILLEGAL_ARGS, e.getMessage()); }
@@ -91,7 +91,7 @@ public interface File {
     public static File ofLineWriter(LineWriter writer) {
         var buff = new Buffer();
         return new File() {
-            @Override public void write(byte[] val) {
+            @Override public synchronized void write(byte[] val) {
                 try {
                     if (val == null) throw new FilesystemException(ErrorReason.ILLEGAL_ARGS, "Given buffer is null.");
     
@@ -99,6 +99,7 @@ public interface File {
                         if (b == '\n') {
                             try {
                                 writer.writeLine(new String(buff.data()));
+                                buff.clear();
                             }
                             catch (IOException e) {
                                 throw new FilesystemException(ErrorReason.UNKNOWN, e.getMessage());
@@ -117,7 +118,7 @@ public interface File {
             private byte[] prev = new byte[0];
 
             @Override
-            public int read(byte[] buff) {
+            public synchronized int read(byte[] buff) {
                 try {
                     if (buff == null) throw new FilesystemException(ErrorReason.ILLEGAL_ARGS, "Given buffer is null.");
                     var ptr = 0;

src/java/me/topchetoeu/jscript/utils/filesystem/Filesystem.java

@@ -1,7 +1,7 @@
 package me.topchetoeu.jscript.utils.filesystem;
 
-import me.topchetoeu.jscript.core.Extensions;
-import me.topchetoeu.jscript.core.Key;
+import me.topchetoeu.jscript.runtime.Extensions;
+import me.topchetoeu.jscript.runtime.Key;
 
 public interface Filesystem {
     public static final Key<Filesystem> KEY = new Key<>();

src/java/me/topchetoeu/jscript/utils/filesystem/FilesystemException.java

@@ -2,8 +2,8 @@ package me.topchetoeu.jscript.utils.filesystem;
 
 import java.util.ArrayList;
 
-import me.topchetoeu.jscript.core.values.Values;
-import me.topchetoeu.jscript.core.exceptions.EngineException;
+import me.topchetoeu.jscript.runtime.exceptions.EngineException;
+import me.topchetoeu.jscript.runtime.values.Values;
 
 public class FilesystemException extends RuntimeException {
     public final ErrorReason reason;

src/java/me/topchetoeu/jscript/utils/filesystem/MemoryFilesystem.java

@@ -20,7 +20,7 @@ public class MemoryFilesystem implements Filesystem {
     @Override public String normalize(String... path) {
         return Paths.normalize(path);
     }
-    @Override public File open(String _path, Mode perms) {
+    @Override public synchronized File open(String _path, Mode perms) {
         try {
             var path = realPath(_path);
             var pcount = path.getNameCount();
@@ -47,7 +47,7 @@ public class MemoryFilesystem implements Filesystem {
         }
         catch (FilesystemException e) { throw e.setPath(_path).setAction(ActionType.OPEN); }
     }
-    @Override public boolean create(String _path, EntryType type) {
+    @Override public synchronized boolean create(String _path, EntryType type) {
         try {
             var path = realPath(_path);
     
@@ -69,14 +69,14 @@ public class MemoryFilesystem implements Filesystem {
         }
         catch (FilesystemException e) { throw e.setPath(_path).setAction(ActionType.CREATE); }
     }
-    @Override public FileStat stat(String _path) {
+    @Override public synchronized FileStat stat(String _path) {
         var path = realPath(_path);
 
         if (files.containsKey(path)) return new FileStat(mode, EntryType.FILE);
         else if (folders.contains(path)) return new FileStat(mode, EntryType.FOLDER);
         else return new FileStat(Mode.NONE, EntryType.NONE);
     }
-    @Override public void close() throws FilesystemException {
+    @Override public synchronized void close() throws FilesystemException {
         handles.close();
     }
 

src/java/me/topchetoeu/jscript/utils/filesystem/PhysicalFilesystem.java

@@ -24,7 +24,7 @@ public class PhysicalFilesystem implements Filesystem {
     @Override public String normalize(String... paths) {
         return Paths.normalize(paths);
     }
-    @Override public File open(String _path, Mode perms) {
+    @Override public synchronized File open(String _path, Mode perms) {
         try {
             var path = realPath(normalize(_path));
             checkMode(path, perms);
@@ -39,7 +39,7 @@ public class PhysicalFilesystem implements Filesystem {
         }
         catch (FilesystemException e) { throw e.setAction(ActionType.OPEN).setPath(_path); }
     }
-    @Override public boolean create(String _path, EntryType type) {
+    @Override public synchronized boolean create(String _path, EntryType type) {
         try {
             var path = realPath(_path);
 
@@ -63,7 +63,7 @@ public class PhysicalFilesystem implements Filesystem {
 
         return true;
     }
-    @Override public FileStat stat(String _path) {
+    @Override public synchronized FileStat stat(String _path) {
         var path = realPath(_path);
 
         if (!Files.exists(path)) return new FileStat(Mode.NONE, EntryType.NONE);
@@ -82,7 +82,7 @@ public class PhysicalFilesystem implements Filesystem {
             Files.isDirectory(path) ? EntryType.FOLDER : EntryType.FILE
         );
     }
-    @Override public void close() throws FilesystemException {
+    @Override public synchronized void close() throws FilesystemException {
         try {
             handles.close();
         }

src/java/me/topchetoeu/jscript/utils/filesystem/RootFilesystem.java

@@ -5,17 +5,21 @@ import java.util.Map;
 
 import me.topchetoeu.jscript.common.Filename;
 import me.topchetoeu.jscript.utils.permissions.Matcher;
+import me.topchetoeu.jscript.utils.permissions.Permission;
 import me.topchetoeu.jscript.utils.permissions.PermissionsProvider;
 
 public class RootFilesystem implements Filesystem {
     public final Map<String, Filesystem> protocols = new HashMap<>();
     public final PermissionsProvider perms;
 
+    public static final Permission PERM_READ = new Permission("jscript.file.read", Matcher.fileWildcard());
+    public static final Permission PERM_WRITE = new Permission("jscript.file.read", Matcher.fileWildcard());
+
     private boolean canRead(String _path) {
-        return perms.hasPermission("jscript.file.read:" + _path, Matcher.fileWildcard());
+        return perms.hasPermission(PERM_READ, _path);
     }
     private boolean canWrite(String _path) {
-        return perms.hasPermission("jscript.file.write:" + _path, Matcher.fileWildcard());
+        return perms.hasPermission(PERM_WRITE, _path);
     }
 
     private void modeAllowed(String _path, Mode mode) throws FilesystemException {
@@ -49,7 +53,7 @@ public class RootFilesystem implements Filesystem {
             else return filename.protocol + "://" + protocol.normalize(paths);
         }
     }
-    @Override public File open(String path, Mode perms) throws FilesystemException {
+    @Override public synchronized File open(String path, Mode perms) throws FilesystemException {
         try {
             var filename = Filename.parse(path);
             var protocol = getProtocol(filename);
@@ -59,7 +63,7 @@ public class RootFilesystem implements Filesystem {
         }
         catch (FilesystemException e) { throw e.setPath(path).setAction(ActionType.OPEN); }
     }
-    @Override public boolean create(String path, EntryType type) throws FilesystemException {
+    @Override public synchronized boolean create(String path, EntryType type) throws FilesystemException {
         try {
             var filename = Filename.parse(path);
             var protocol = getProtocol(filename);
@@ -69,7 +73,7 @@ public class RootFilesystem implements Filesystem {
         }
         catch (FilesystemException e) { throw e.setPath(path).setAction(ActionType.CREATE); }
     }
-    @Override public FileStat stat(String path) throws FilesystemException {
+    @Override public synchronized FileStat stat(String path) throws FilesystemException {
         try {
             var filename = Filename.parse(path);
             var protocol = getProtocol(filename);
@@ -78,7 +82,7 @@ public class RootFilesystem implements Filesystem {
         }
         catch (FilesystemException e) { throw e.setPath(path).setAction(ActionType.STAT); }
     }
-    @Override public void close() throws FilesystemException {
+    @Override public synchronized void close() throws FilesystemException {
         try {
             for (var protocol : protocols.values()) {
                 protocol.close();

src/java/me/topchetoeu/jscript/utils/filesystem/STDFilesystem.java

@@ -2,41 +2,51 @@ package me.topchetoeu.jscript.utils.filesystem;
 
 import java.io.InputStream;
 import java.io.OutputStream;
-import java.util.HashMap;
 
 public class STDFilesystem implements Filesystem {
-    private final HashMap<String, File> handles = new HashMap<>();
+    private File in;
+    private File out;
+    private File err;
 
     @Override
     public String normalize(String... path) {
         var res = Paths.normalize(path);
         while (res.startsWith("/")) res = res.substring(1);
+        while (res.endsWith("/")) res = res.substring(0, res.length() - 1);
         return res;
     }
 
-    @Override public File open(String path, Mode mode) {
+    @Override public synchronized File open(String path, Mode mode) {
         path = normalize(path);
-        if (handles.containsKey(path)) return handles.get(path);
+        if (in != null && path.equals("in")) return in;
+        else if (out != null && path.equals("out")) return out;
+        else if (err != null && path.equals("err")) return err;
         else throw new FilesystemException(ErrorReason.DOESNT_EXIST).setAction(ActionType.OPEN).setPath(path);
     }
-    @Override public FileStat stat(String path) {
+    @Override public synchronized FileStat stat(String path) {
         path = normalize(path);
-        if (handles.containsKey(path)) return new FileStat(Mode.READ_WRITE, EntryType.FILE);
+        if (path.equals("in") || path.equals("out") || path.equals("err")) return new FileStat(Mode.READ_WRITE, EntryType.FILE);
         else return new FileStat(Mode.NONE, EntryType.NONE);
     }
-    @Override public void close() {
-        handles.clear();
+    @Override public synchronized void close() {
+        in = out = err = null;
     }
 
-    public STDFilesystem add(String name, File handle) {
-        this.handles.put(name, handle);
-        return this;
+    public STDFilesystem(File in, File out, File err) {
+        this.in = in;
+        this.out = out;
+        this.err = err;
     }
-
-    public static STDFilesystem ofStd(InputStream in, OutputStream out, OutputStream err) {
-        return new STDFilesystem()
-            .add("in", File.ofStream(in))
-            .add("out", File.ofStream(out))
-            .add("err", File.ofStream(err));
+    public STDFilesystem(InputStream in, OutputStream out, OutputStream err) {
+        if (in != null) this.in = File.ofStream(in);
+        if (out != null) this.out = File.ofStream(out);
+        if (err != null) this.err = File.ofStream(err);
+    }
+    public STDFilesystem(LineReader in, LineWriter out) {
+        if (in != null) this.in = File.ofLineReader(in);
+        if (out != null) {
+            this.out = File.ofLineWriter(out);
+            this.err = File.ofLineWriter(out);
+        }
     }
 }

src/java/me/topchetoeu/jscript/utils/interop/Arguments.java

@@ -2,9 +2,9 @@ package me.topchetoeu.jscript.utils.interop;
 
 import java.lang.reflect.Array;
 
-import me.topchetoeu.jscript.core.Context;
-import me.topchetoeu.jscript.core.values.NativeWrapper;
-import me.topchetoeu.jscript.core.values.Values;
+import me.topchetoeu.jscript.runtime.Context;
+import me.topchetoeu.jscript.runtime.values.NativeWrapper;
+import me.topchetoeu.jscript.runtime.values.Values;
 
 public class Arguments {
     public final Object self;

src/java/me/topchetoeu/jscript/utils/interop/NativeWrapperProvider.java

@@ -10,21 +10,22 @@ import java.util.HashSet;
 import java.util.stream.Collectors;
 
 import me.topchetoeu.jscript.common.Location;
-import me.topchetoeu.jscript.core.Context;
-import me.topchetoeu.jscript.core.Environment;
-import me.topchetoeu.jscript.core.WrapperProvider;
-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.Symbol;
-import me.topchetoeu.jscript.core.values.Values;
-import me.topchetoeu.jscript.core.exceptions.EngineException;
-import me.topchetoeu.jscript.core.exceptions.InterruptException;
+import me.topchetoeu.jscript.runtime.Context;
+import me.topchetoeu.jscript.runtime.Environment;
+import me.topchetoeu.jscript.runtime.WrapperProvider;
+import me.topchetoeu.jscript.runtime.exceptions.EngineException;
+import me.topchetoeu.jscript.runtime.exceptions.InterruptException;
+import me.topchetoeu.jscript.runtime.values.FunctionValue;
+import me.topchetoeu.jscript.runtime.values.NativeFunction;
+import me.topchetoeu.jscript.runtime.values.ObjectValue;
+import me.topchetoeu.jscript.runtime.values.Symbol;
+import me.topchetoeu.jscript.runtime.values.Values;
 
 public class NativeWrapperProvider implements WrapperProvider {
     private final HashMap<Class<?>, FunctionValue> constructors = new HashMap<>();
     private final HashMap<Class<?>, ObjectValue> prototypes = new HashMap<>();
     private final HashMap<Class<?>, ObjectValue> namespaces = new HashMap<>();
+    private final HashSet<Class<?>> ignore = new HashSet<>();
     private final Environment env;
 
     private static Object call(Context ctx, String name, Method method, Object thisArg, Object... args) {
@@ -106,11 +107,12 @@ public class NativeWrapperProvider implements WrapperProvider {
         else return name;
     }
 
-    private static void apply(ObjectValue obj, Environment env, ExposeTarget target, Class<?> clazz) {
+    private static boolean apply(ObjectValue obj, Environment env, ExposeTarget target, Class<?> clazz) {
         var getters = new HashMap<Object, FunctionValue>();
         var setters = new HashMap<Object, FunctionValue>();
         var props = new HashSet<Object>();
         var nonProps = new HashSet<Object>();
+        var any = false;
 
         for (var method : clazz.getDeclaredMethods()) {
             for (var annotation : method.getAnnotationsByType(Expose.class)) {
@@ -120,6 +122,7 @@ public class NativeWrapperProvider implements WrapperProvider {
                 var name = getName(method, annotation.value());
                 var key = getKey(name);
                 var repeat = false;
+                any = true;
 
                 switch (annotation.type()) {
                     case INIT:
@@ -168,6 +171,7 @@ public class NativeWrapperProvider implements WrapperProvider {
                 var name = getName(method, annotation.value());
                 var key = getKey(name);
                 var repeat = false;
+                any = true;
 
                 if (props.contains(key) || nonProps.contains(key)) repeat = true;
                 else {
@@ -191,11 +195,29 @@ public class NativeWrapperProvider implements WrapperProvider {
                 var name = getName(field, annotation.value());
                 var key = getKey(name);
                 var repeat = false;
+                any = true;
 
                 if (props.contains(key) || nonProps.contains(key)) repeat = true;
                 else {
                     try {
-                        obj.defineProperty(null, key, Values.normalize(new Context(env), field.get(null)), true, true, false);
+                        if (Modifier.isStatic(field.getModifiers())) {
+                            obj.defineProperty(null, key, Values.normalize(new Context(env), field.get(null)), true, true, false);
+                        }
+                        else {
+                            obj.defineProperty(
+                                null, key,
+                                new NativeFunction("get " + key, args -> {
+                                    try { return field.get(args.self(clazz)); }
+                                    catch (IllegalAccessException e) { e.printStackTrace(); return null; }
+                                }),
+                                Modifier.isFinal(field.getModifiers()) ? null : new NativeFunction("get " + key, args -> {
+                                    try { field.set(args.self(clazz), args.convert(0, field.getType())); }
+                                    catch (IllegalAccessException e) { e.printStackTrace(); }
+                                    return null;
+                                }),
+                                true, false
+                            );
+                        }
                         nonProps.add(key);
                     }
                     catch (IllegalArgumentException | IllegalAccessException e) { }
@@ -210,6 +232,8 @@ public class NativeWrapperProvider implements WrapperProvider {
         }
 
         for (var key : props) obj.defineProperty(null, key, getters.get(key), setters.get(key), true, false);
+
+        return any;
     }
 
     private static Method getConstructor(Environment env, Class<?> clazz) {
@@ -231,7 +255,7 @@ public class NativeWrapperProvider implements WrapperProvider {
     public static ObjectValue makeProto(Environment env, Class<?> clazz) {
         var res = new ObjectValue();
         res.defineProperty(null, Symbol.get("Symbol.typeName"), getName(clazz));
-        apply(res, env, ExposeTarget.PROTOTYPE, clazz);
+        if (!apply(res, env, ExposeTarget.PROTOTYPE, clazz)) return null;
         return res;
     }
     /**
@@ -260,12 +284,27 @@ public class NativeWrapperProvider implements WrapperProvider {
     public static ObjectValue makeNamespace(Environment ctx, Class<?> clazz) {
         var res = new ObjectValue();
         res.defineProperty(null, Symbol.get("Symbol.typeName"), getName(clazz));
-        apply(res, ctx, ExposeTarget.NAMESPACE, clazz);
+        if (!apply(res, ctx, ExposeTarget.NAMESPACE, clazz)) return null;
         return res;
     }
 
+    private void updateProtoChain(Class<?> clazz, ObjectValue proto, FunctionValue constr) {
+        var parent = clazz;
+
+        while (true) {
+            parent = parent.getSuperclass();
+            if (parent == null) return;
+
+            var parentProto = getProto(parent);
+            var parentConstr = getConstr(parent);
+
+            if (parentProto != null) Values.setPrototype(Context.NULL, proto, parentProto);
+            if (parentConstr != null) Values.setPrototype(Context.NULL, constr, parentConstr);
+        }
+    }
+
     private void initType(Class<?> clazz, FunctionValue constr, ObjectValue proto) {
-        if (constr != null && proto != null) return;
+        if (constr != null && proto != null || ignore.contains(clazz)) return;
         // i vomit
         if (
             clazz == Object.class ||
@@ -284,44 +323,72 @@ public class NativeWrapperProvider implements WrapperProvider {
         if (constr == null) constr = makeConstructor(env, clazz);
         if (proto == null) proto = makeProto(env, clazz);
 
+        if (constr == null || proto == null) return;
+
         proto.defineProperty(null, "constructor", constr, true, false, false);
         constr.defineProperty(null, "prototype", proto, true, false, false);
 
         prototypes.put(clazz, proto);
         constructors.put(clazz, constr);
 
-        var parent = clazz.getSuperclass();
-        if (parent == null) return;
-
-        var parentProto = getProto(parent);
-        var parentConstr = getConstr(parent);
-
-        if (parentProto != null) Values.setPrototype(Context.NULL, proto, parentProto);
-        if (parentConstr != null) Values.setPrototype(Context.NULL, constr, parentConstr);
+        updateProtoChain(clazz, proto, constr);
     }
 
     public ObjectValue getProto(Class<?> clazz) {
         initType(clazz, constructors.get(clazz), prototypes.get(clazz));
-        return prototypes.get(clazz);
+        while (clazz != null) {
+            var res = prototypes.get(clazz);
+            if (res != null) return res;
+            clazz = clazz.getSuperclass();
+        }
+        return null;
     }
     public ObjectValue getNamespace(Class<?> clazz) {
         if (!namespaces.containsKey(clazz)) namespaces.put(clazz, makeNamespace(env, clazz));
-        return namespaces.get(clazz);
+        while (clazz != null) {
+            var res = namespaces.get(clazz);
+            if (res != null) return res;
+            clazz = clazz.getSuperclass();
+        }
+        return null;
     }
     public FunctionValue getConstr(Class<?> clazz) {
         initType(clazz, constructors.get(clazz), prototypes.get(clazz));
-        return constructors.get(clazz);
+        while (clazz != null) {
+            var res = constructors.get(clazz);
+            if (res != null) return res;
+            clazz = clazz.getSuperclass();
+        }
+        return null;
     }
 
     @Override public WrapperProvider fork(Environment env) {
         return new NativeWrapperProvider(env);
     }
 
-    public void setProto(Class<?> clazz, ObjectValue value) {
-        prototypes.put(clazz, value);
+    public void set(Class<?> clazz, Class<?> wrapper) {
+        if (wrapper == null) set(clazz, null, null);
+        else set(clazz, makeProto(env, wrapper), makeConstructor(env, wrapper));
     }
-    public void setConstr(Class<?> clazz, FunctionValue value) {
-        constructors.put(clazz, value);
+    public void set(Class<?> clazz, ObjectValue proto, FunctionValue constructor) {
+        if (proto != null && constructor != null) {
+            prototypes.put(clazz, proto);
+            constructors.put(clazz, constructor);
+            ignore.remove(clazz);
+
+            for (var el : prototypes.keySet()) {
+                if (clazz.isAssignableFrom(el)) {
+                    updateProtoChain(el, getProto(el), getConstr(el));
+                }
+            }
+        }
+        else {
+            prototypes.remove(clazz);
+            constructors.remove(clazz);
+            ignore.remove(clazz);
+
+            initType(clazz, constructor, proto);
+        }
     }
 
     private void initError() {
@@ -337,8 +404,7 @@ public class NativeWrapperProvider implements WrapperProvider {
         proto.defineProperty(null, "constructor", constr, true, false, false);
         constr.defineProperty(null, "prototype", proto, true, false, false);
 
-        setProto(Throwable.class, proto);
-        setConstr(Throwable.class, constr);
+        set(Throwable.class, proto, constr);
     }
 
     public NativeWrapperProvider(Environment env) {

src/java/me/topchetoeu/jscript/utils/modules/Module.java

@@ -1,6 +1,6 @@
 package me.topchetoeu.jscript.utils.modules;
 
-import me.topchetoeu.jscript.core.Context;
+import me.topchetoeu.jscript.runtime.Context;
 
 public abstract class Module {
     private Object value;

src/java/me/topchetoeu/jscript/utils/modules/ModuleRepo.java

@@ -3,9 +3,9 @@ package me.topchetoeu.jscript.utils.modules;
 import java.util.HashMap;
 
 import me.topchetoeu.jscript.common.Filename;
-import me.topchetoeu.jscript.core.Context;
-import me.topchetoeu.jscript.core.Extensions;
-import me.topchetoeu.jscript.core.Key;
+import me.topchetoeu.jscript.runtime.Context;
+import me.topchetoeu.jscript.runtime.Extensions;
+import me.topchetoeu.jscript.runtime.Key;
 import me.topchetoeu.jscript.utils.filesystem.Filesystem;
 import me.topchetoeu.jscript.utils.filesystem.Mode;
 

src/java/me/topchetoeu/jscript/utils/modules/RootModuleRepo.java

@@ -2,8 +2,8 @@ package me.topchetoeu.jscript.utils.modules;
 
 import java.util.HashMap;
 
-import me.topchetoeu.jscript.core.Context;
-import me.topchetoeu.jscript.core.exceptions.EngineException;
+import me.topchetoeu.jscript.runtime.Context;
+import me.topchetoeu.jscript.runtime.exceptions.EngineException;
 
 public class RootModuleRepo implements ModuleRepo {
     public final HashMap<String, ModuleRepo> repos = new HashMap<>();

src/java/me/topchetoeu/jscript/utils/modules/SourceModule.java

@@ -1,8 +1,8 @@
 package me.topchetoeu.jscript.utils.modules;
 
 import me.topchetoeu.jscript.common.Filename;
-import me.topchetoeu.jscript.core.Context;
-import me.topchetoeu.jscript.core.Environment;
+import me.topchetoeu.jscript.runtime.Context;
+import me.topchetoeu.jscript.runtime.Environment;
 
 public class SourceModule extends Module {
     public final Filename filename;

src/java/me/topchetoeu/jscript/utils/permissions/PermissionsProvider.java

@@ -1,7 +1,7 @@
 package me.topchetoeu.jscript.utils.permissions;
 
-import me.topchetoeu.jscript.core.Extensions;
-import me.topchetoeu.jscript.core.Key;
+import me.topchetoeu.jscript.runtime.Extensions;
+import me.topchetoeu.jscript.runtime.Key;
 
 public interface PermissionsProvider {
     public static final Key<PermissionsProvider> KEY = new Key<>();