bitwise operations

idea/src/org/jetbrains/jet/codegen/ExpressionCodegen.java

@@ -546,6 +546,12 @@ public class ExpressionCodegen extends JetVisitor {
         if (name.equals("times")) return Opcodes.IMUL;
         if (name.equals("div")) return Opcodes.IDIV;
         if (name.equals("mod")) return Opcodes.IREM;
+        if (name.equals("shl")) return Opcodes.ISHL;
+        if (name.equals("shr")) return Opcodes.ISHR;
+        if (name.equals("ushr")) return Opcodes.IUSHR;
+        if (name.equals("and")) return Opcodes.IAND;
+        if (name.equals("or")) return Opcodes.IOR;
+        if (name.equals("xor")) return Opcodes.IXOR;
         throw new UnsupportedOperationException("Don't know how to generate binary op method " + name);
     }
 
@@ -606,6 +612,13 @@ public class ExpressionCodegen extends JetVisitor {
             myStack.push(StackValue.onStack(asmType));
             return true;
         }
+        else if (op.getName().equals("inv")) {
+            gen(operand, asmType);
+            v.aconst(-1);
+            v.xor(asmType);
+            myStack.push(StackValue.onStack(asmType));
+            return true;
+        }
         else if (op.getName().equals("inc") || op.getName().equals("dec")) {
             if (!(operand instanceof JetReferenceExpression)) {
                 throw new UnsupportedOperationException("cannot increment or decrement a non-lvalue");

idea/tests/org/jetbrains/jet/codegen/NamespaceGenTest.java

@@ -378,6 +378,32 @@ public class NamespaceGenTest extends LightCodeInsightFixtureTestCase {
         assertEquals(2.0, main.invoke(null, 1.0));
     }
 
+    public void testShl() throws Exception {
+        binOpTest("fun foo(a: Int, b: Int): Int = a shl b", 1, 3, 8);
+    }
+
+    public void testShr() throws Exception {
+        binOpTest("fun foo(a: Int, b: Int): Int = a shr b", 8, 3, 1);
+    }
+
+    public void testBitAnd() throws Exception {
+        binOpTest("fun foo(a: Int, b: Int): Int = a and b", 0x77, 0x1f, 0x17);
+    }
+
+    public void testBitOr() throws Exception {
+        binOpTest("fun foo(a: Int, b: Int): Int = a or b", 0x77, 0x1f, 0x7f);
+    }
+
+    public void testBitXor() throws Exception {
+        binOpTest("fun foo(a: Int, b: Int): Int = a xor b", 0x70, 0x1f, 0x6f);
+    }
+
+    public void _testBitInv() throws Exception {
+        loadText("fun foo(a: Int): Int = ~a");
+        final Method main = generateFunction();
+        assertEquals(0xffff0000, main.invoke(null, 0x0000ffff));
+    }
+
     private void binOpTest(final String text, final Object arg1, final Object arg2, final Object expected) throws Exception {
         loadText(text);
         System.out.println(generateToText());