Add literal storage, literal_t type and functions for its processing.

JerryScript-DCO-1.0-Signed-off-by: Evgeny Gavrin e.gavrin@samsung.com
JerryScript-DCO-1.0-Signed-off-by: Andrey Shitov a.shitov@samsung.com

jerry-core/ecma/base/ecma-globals.h

@@ -26,6 +26,7 @@
 #include "config.h"
 #include "jrt.h"
 #include "mem-allocator.h"
+#include "rcs-recordset.h"
 
 /** \addtogroup compressedpointer Compressed pointer
  * @{
@@ -757,11 +758,20 @@ typedef enum
 } ecma_string_container_t;
 
 FIXME (Move to library that should define the type (literal.h /* ? */))
+/**
+ * Literal and compressed pointer to literal
+ */
+typedef rcs_record_t *literal_t;
+typedef rcs_cpointer_t lit_cpointer_t;
+
 /**
  * Index in literal table
+ *
+ * FIXME: Remove after switching to literal storage
  */
 typedef uint32_t literal_index_t;
 
+
 /**
  * Identifiers of ECMA and implementation-defined magic string constants
  */