compiler, interpreter: Implement coerce_o

rodrigodias · Jun 8, 2012 · bf767da · bf767da
1 parent 6446513
commit bf767da
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Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/src/avm2/compiler.js b/src/avm2/compiler.js
@@ -1214,7 +1214,10 @@ var Compiler = (function () {
       case OP_coerce_s:       pushValue("coerceString" + argumentList(state.stack.pop())); break;
       case OP_astype:         notImplemented(); break;
       case OP_astypelate:     notImplemented(); break;
-      case OP_coerce_o:       notImplemented(); break;
+      case OP_coerce_o:
+        obj = state.stack.pop();
+        pushValue("(" + obj + " == undefined ? null : " + obj + ")");
+        break;
       case OP_negate:         expression(Operator.NEG); break;
       case OP_increment:
         pushValue(new Constant(1));

diff --git a/src/avm2/interpreter.js b/src/avm2/interpreter.js
@@ -441,6 +441,9 @@ var Interpreter = (function () {
             break;
           case OP_astype:         notImplemented(); break;
           case OP_astypelate:     notImplemented(); break;
+          case OP_coerce_o:
+            obj = stack.pop();
+            stack.push(obj == undefined ? null : obj);
           case OP_negate:
             evaluateUnary(Operator.NEG);
             break;