public void loadOrStoreVariable(BytecodeVariable variable, boolean useReferenceDirectly) { CompileStack compileStack = controller.getCompileStack(); if (compileStack.isLHS()) { storeVar(variable); } else { MethodVisitor mv = controller.getMethodVisitor(); int idx = variable.getIndex(); ClassNode type = variable.getType(); if (variable.isHolder()) { mv.visitVarInsn(ALOAD, idx); if (!useReferenceDirectly) { mv.visitMethodInsn( INVOKEVIRTUAL, "groovy/lang/Reference", "get", "()Ljava/lang/Object;", false); BytecodeHelper.doCast(mv, type); push(type); } else { push(ClassHelper.REFERENCE_TYPE); } } else { load(type, idx); } } }
private void doConvertAndCast(ClassNode targetType, boolean coerce) { int size = stack.size(); throwExceptionForNoStackElement(size, targetType, coerce); ClassNode top = stack.get(size - 1); targetType = targetType.redirect(); if (targetType == top) return; if (coerce) { controller.getInvocationWriter().coerce(top, targetType); return; } boolean primTarget = ClassHelper.isPrimitiveType(targetType); boolean primTop = ClassHelper.isPrimitiveType(top); if (primTop && primTarget) { // here we box and unbox to get the goal type if (convertPrimitive(top, targetType)) { replace(targetType); return; } box(); } else if (primTop) { // top is primitive, target is not // so box and do groovy cast controller.getInvocationWriter().castToNonPrimitiveIfNecessary(top, targetType); } else if (primTarget) { // top is not primitive so unbox // leave that BH#doCast later } else { controller.getInvocationWriter().castToNonPrimitiveIfNecessary(top, targetType); } MethodVisitor mv = controller.getMethodVisitor(); if (primTarget && !ClassHelper.boolean_TYPE.equals(targetType) && !primTop && ClassHelper.getWrapper(targetType).equals(top)) { BytecodeHelper.doCastToPrimitive(mv, top, targetType); } else { top = stack.get(size - 1); if (!WideningCategories.implementsInterfaceOrSubclassOf(top, targetType)) { BytecodeHelper.doCast(mv, targetType); } } replace(targetType); }