implementing naïve eval();

src/main/java/org/dynjs/runtime/DynThreadContext.java

@@ -18,6 +18,7 @@
 import me.qmx.jitescript.CodeBlock;
 import org.dynjs.api.Function;
 import org.dynjs.api.Scope;
+import org.dynjs.runtime.builtins.Eval;
 
 import java.util.*;
 import java.util.concurrent.atomic.AtomicInteger;
@@ -34,6 +35,7 @@ public String toString() {
     public static final Object NULL = new Object();
 
     private static final Map<String, Object> BUILTINS = new LinkedHashMap<String, Object>() {{
+        put("eval", new Eval());
     }};
 
     private ThreadLocal<DynJS> runtime = new ThreadLocal<>();

src/main/java/org/dynjs/runtime/builtins/Eval.java

@@ -0,0 +1,37 @@
+package org.dynjs.runtime.builtins;
+
+import org.dynjs.api.Function;
+import org.dynjs.api.Scope;
+import org.dynjs.runtime.DynJS;
+import org.dynjs.runtime.DynThreadContext;
+
+public class Eval implements Function {
+    @Override
+    public void setContext(DynThreadContext context) {
+
+    }
+
+    @Override
+    public Object call(DynThreadContext context, Object[] arguments) {
+        if (arguments.length == 1 && arguments[0] instanceof String) {
+            DynJS runtime = context.getRuntime();
+            runtime.eval(context, (String) arguments[0]);
+        }
+        return DynThreadContext.UNDEFINED;
+    }
+
+    @Override
+    public Scope getEnclosingScope() {
+        return null;  //To change body of implemented methods use File | Settings | File Templates.
+    }
+
+    @Override
+    public Object resolve(String name) {
+        return null;  //To change body of implemented methods use File | Settings | File Templates.
+    }
+
+    @Override
+    public void define(String property, Object value) {
+        //To change body of implemented methods use File | Settings | File Templates.
+    }
+}

src/test/java/org/dynjs/runtime/DynJSTest.java

@@ -248,6 +248,11 @@ public void testBuiltinLoading() {
         check("var result = sample(true);");
     }
 
+    @Test
+    public void testEval(){
+        check("eval('var result = true');");
+    }
+
     private void check(String scriptlet) {
         check(scriptlet, true);
     }