Refactor literal-storage to not use C++ features

JerryScript-DCO-1.0-Signed-off-by: Roland Takacs rtakacs.u-szeged@partner.samsung.com
2015-12-24 17:24:46 +03:00
parent f932b7d48c
commit 21f561f8ef
36 changed files with 2603 additions and 3134 deletions
@@ -0,0 +1,53 @@
+/* Copyright 2015 Samsung Electronics Co., Ltd.
+ * Copyright 2015 University of Szeged
+ *
+ * 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 RCS_CPOINTER_H
+#define RCS_CPOINTER_H
+
+#include "rcs-globals.h"
+
+#define RCS_CPOINTER_WIDTH (MEM_CP_WIDTH + MEM_ALIGNMENT_LOG - RCS_DYN_STORAGE_LENGTH_UNIT_LOG)
+
+/**
+ * Dynamic storage-specific extended compressed pointer
+ *
+ * Note:
+ *      the pointer can represent addresses aligned by RCS_DYN_STORAGE_LENGTH_UNIT,
+ *      while mem_cpointer_t can only represent addresses aligned by MEM_ALIGNMENT.
+ */
+typedef struct
+{
+  union
+  {
+    struct
+    {
+      mem_cpointer_t base_cp : MEM_CP_WIDTH; /**< pointer to base of addressed area */
+#if MEM_ALIGNMENT_LOG > RCS_DYN_STORAGE_LENGTH_UNIT_LOG
+      uint16_t ext : (MEM_ALIGNMENT_LOG - RCS_DYN_STORAGE_LENGTH_UNIT_LOG); /**< extension of the basic
+                                                                             *   compressed pointer
+                                                                             *   used for more detailed
+                                                                             *   addressing */
+#endif /* MEM_ALIGNMENT_LOG > RCS_DYN_STORAGE_LENGTH_UNIT_LOG */
+    } value;
+    uint16_t packed_value;
+  };
+} rcs_cpointer_t;
+
+extern rcs_cpointer_t rcs_cpointer_compress (rcs_record_t *);
+extern rcs_record_t *rcs_cpointer_decompress (rcs_cpointer_t);
+extern rcs_cpointer_t rcs_cpointer_null_cp ();
+
+#endif /* !RCS_CPOINTER_H */