Introducing 'ecmabuiltins' component and interface for instantiating built-in properties.

Makefile.mk

@@ -270,6 +270,7 @@ SOURCES_JERRY_C = \
  $(wildcard ./src/libjsparser/*.c) \
  $(wildcard ./src/libecmaobjects/*.c) \
  $(wildcard ./src/libecmaoperations/*.c) \
+ $(wildcard ./src/libecmabuiltins/*.c) \
  $(wildcard ./src/liballocator/*.c) \
  $(wildcard ./src/libcoreint/*.c) \
  $(wildcard ./src/liboptimizer/*.c) ) \
@@ -283,6 +284,7 @@ SOURCES_JERRY_H = \
  $(wildcard ./src/libjsparser/*.h) \
  $(wildcard ./src/libecmaobjects/*.h) \
  $(wildcard ./src/libecmaoperations/*.h) \
+ $(wildcard ./src/libecmabuiltins/*.h) \
  $(wildcard ./src/liballocator/*.h) \
  $(wildcard ./src/libcoreint/*.h) \
  $(wildcard ./src/liboptimizer/*.h) \
@@ -301,6 +303,7 @@ INCLUDES_JERRY = \
  -I src/libjsparser \
  -I src/libecmaobjects \
  -I src/libecmaoperations \
+ -I src/libecmabuiltins \
  -I src/liballocator \
  -I src/liboptimizer \
  -I src/libcoreint \

src/libecmabuiltins/ecma-non-instantiated-builtins.c

@@ -0,0 +1,44 @@
+/* Copyright 2014 Samsung Electronics Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "ecma-globals.h"
+#include "ecma-non-instantiated-builtins.h"
+
+/** \addtogroup ecma ECMA
+ * @{
+ *
+ * \addtogroup ecmabuiltins
+ * @{
+ */
+
+/**
+ * If the property's name is one of built-in properties of the object
+ * that is not instantiated yet, instantiate the property and
+ * return pointer to the instantiated property.
+ *
+ * @return pointer property, if one was instantiated,
+ *         NULL - otherwise.
+ */
+ecma_property_t*
+ecma_object_try_to_get_non_instantiated_property (ecma_object_t *object_p, /**< object */
+                                                  ecma_string_t *string_p) /**< property's name */
+{
+  JERRY_UNIMPLEMENTED_REF_UNUSED_VARS (object_p, string_p);
+} /* ecma_object_try_to_get_non_instantiated_property */
+
+/**
+ * @}
+ * @}
+ */

src/libecmabuiltins/ecma-non-instantiated-builtins.h

@@ -0,0 +1,24 @@
+/* Copyright 2014 Samsung Electronics Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ECMA_NON_INSTANTIATED_BUILTINS_H
+#define ECMA_NON_INSTANTIATED_BUILTINS_H
+
+#include "ecma-globals.h"
+
+extern ecma_property_t* ecma_object_try_to_get_non_instantiated_property (ecma_object_t *object_p,
+                                                                          ecma_string_t *string_p);
+
+#endif /* ECMA_NON_INSTANTIATED_BUILTINS_H */

src/libecmaobjects/ecma-helpers.c

@@ -68,6 +68,8 @@ ecma_create_object (ecma_object_t *prototype_object_p, /**< pointer to prototybe
                                                  ECMA_OBJECT_OBJ_PROTOTYPE_OBJECT_CP_POS,
                                                  ECMA_OBJECT_OBJ_PROTOTYPE_OBJECT_CP_WIDTH);
 
+  ecma_set_object_has_non_instantiated_builtins (object_p, false);
+
   return object_p;
 } /* ecma_create_object */
 
@@ -254,6 +256,48 @@ ecma_get_object_prototype (ecma_object_t *object_p) /**< object */
   return ECMA_GET_POINTER (prototype_object_cp);
 } /* ecma_get_object_prototype */
 
+/**
+ * Get object's has-non-instantiated-built-ins flag.
+ *
+ * @return flag's value
+ */
+bool
+ecma_get_object_has_non_instantiated_builtins (ecma_object_t *object_p) /**< object */
+{
+  JERRY_ASSERT (object_p != NULL);
+  JERRY_ASSERT (!ecma_is_lexical_environment (object_p));
+
+  const uint32_t offset = ECMA_OBJECT_OBJ_HAS_NON_INSTANTIATED_BUILT_IN_PROPERTIES_POS;
+  const uint32_t width = ECMA_OBJECT_OBJ_HAS_NON_INSTANTIATED_BUILT_IN_PROPERTIES_WIDTH;
+
+  JERRY_ASSERT (sizeof (uintptr_t) * JERRY_BITSINBYTE >= width);
+
+  uintptr_t flag_value = (uintptr_t) jrt_extract_bit_field (object_p->container,
+                                                            offset,
+                                                            width);
+
+  return (bool) flag_value;
+} /* ecma_get_object_has_non_instantiated_builtins */
+
+/**
+ * Set object's has-non-instantiated-built-ins flag's value.
+ */
+void
+ecma_set_object_has_non_instantiated_builtins (ecma_object_t *object_p, /**< object */
+                                               bool is_has_non_inst_builtins) /**< value of flag */
+{
+  JERRY_ASSERT (object_p != NULL);
+  JERRY_ASSERT (!ecma_is_lexical_environment (object_p));
+
+  const uint32_t offset = ECMA_OBJECT_OBJ_HAS_NON_INSTANTIATED_BUILT_IN_PROPERTIES_POS;
+  const uint32_t width = ECMA_OBJECT_OBJ_HAS_NON_INSTANTIATED_BUILT_IN_PROPERTIES_WIDTH;
+
+  object_p->container = jrt_set_bit_field_value (object_p->container,
+                                                 (uintptr_t) is_has_non_inst_builtins,
+                                                 offset,
+                                                 width);
+} /* ecma_set_object_has_non_instantiated_builtins */
+
 /**
  * Get type of lexical environment.
  */

src/libecmaobjects/ecma-helpers.h

@@ -173,6 +173,9 @@ extern void ecma_set_object_extensible (ecma_object_t *object_p, bool is_extensi
 extern ecma_object_type_t ecma_get_object_type (ecma_object_t *object_p);
 extern void ecma_set_object_type (ecma_object_t *object_p, ecma_object_type_t type);
 extern ecma_object_t* ecma_get_object_prototype (ecma_object_t *object_p);
+extern bool ecma_get_object_has_non_instantiated_builtins (ecma_object_t *object_p);
+extern void ecma_set_object_has_non_instantiated_builtins (ecma_object_t *object_p,
+                                                           bool is_has_non_inst_builtins);
 extern ecma_lexical_environment_type_t ecma_get_lex_env_type (ecma_object_t *object_p);
 extern ecma_object_t *ecma_get_lex_env_outer_reference (ecma_object_t *object_p);
 extern ecma_property_t *ecma_get_property_list (ecma_object_t *object_p);

src/libecmaoperations/ecma-objects.c

@@ -17,6 +17,7 @@
 #include "ecma-globals.h"
 #include "ecma-array-object.h"
 #include "ecma-function-object.h"
+#include "ecma-non-instantiated-builtins.h"
 #include "ecma-objects-arguments.h"
 #include "ecma-objects-general.h"
 #include "ecma-objects.h"
@@ -96,6 +97,8 @@ ecma_op_object_get_own_property (ecma_object_t *obj_p, /**< the object */
 
   const ecma_object_type_t type = ecma_get_object_type (obj_p);
 
+  ecma_property_t *prop_p = NULL;
+
   switch (type)
   {
     case ECMA_OBJECT_TYPE_GENERAL:
@@ -104,12 +107,16 @@ ecma_op_object_get_own_property (ecma_object_t *obj_p, /**< the object */
     case ECMA_OBJECT_TYPE_BOUND_FUNCTION:
     case ECMA_OBJECT_TYPE_BUILT_IN_FUNCTION:
     {
-      return ecma_op_general_object_get_own_property (obj_p, property_name_p);
+      prop_p = ecma_op_general_object_get_own_property (obj_p, property_name_p);
+
+      break;
     }
 
     case ECMA_OBJECT_TYPE_ARGUMENTS:
     {
-      return ecma_op_arguments_object_get_own_property (obj_p, property_name_p);
+      prop_p = ecma_op_arguments_object_get_own_property (obj_p, property_name_p);
+
+      break;
     }
 
     case ECMA_OBJECT_TYPE_STRING:
@@ -119,7 +126,15 @@ ecma_op_object_get_own_property (ecma_object_t *obj_p, /**< the object */
     }
   }
 
-  JERRY_UNREACHABLE();
+  if (unlikely (prop_p == NULL))
+  {
+    if (ecma_get_object_has_non_instantiated_builtins (obj_p))
+    {
+      prop_p = ecma_object_try_to_get_non_instantiated_property (obj_p, property_name_p);
+    }
+  }
+
+  return prop_p;
 } /* ecma_op_object_get_own_property */
 
 /**