Merge pull request jerryscript-project#25 from ruben-ayrapetyan/experiments-dev

Experiments dev

Author: ruben-ayrapetyan

jerry-core/parser/js/opcodes-dumper.cpp

@@ -402,7 +402,7 @@ jsp_dmp_gen_instr (vm_op_t opcode, /**< operation code */
     {
       instr.data.raw_args[i] = ops[i].get_idx_const ();
     }
-    else if (ops[i].is_register_operand ())
+    else if (ops[i].is_register_operand () || ops[i].is_this_operand ())
     {
       instr.data.raw_args[i] = ops[i].get_idx ();
     }
@@ -999,7 +999,7 @@ dump_call_additional_info (opcode_call_flags_t flags, /**< call flags */
 {
   if (flags & OPCODE_CALL_FLAGS_HAVE_THIS_ARG)
   {
-    JERRY_ASSERT (this_arg.is_register_operand ());
+    JERRY_ASSERT (this_arg.is_register_operand () || this_arg.is_this_operand ());
     JERRY_ASSERT (!operand_is_empty (this_arg));
   }
   else

jerry-core/parser/js/opcodes-dumper.h

@@ -32,6 +32,7 @@ class jsp_operand_t
     EMPTY, /**< empty operand */
     LITERAL, /**< operand contains literal value */
     IDENTIFIER, /**< Identifier reference */
+    THIS_BINDING, /**< ThisBinding operand */
     TMP, /**< operand contains byte-code register index */
     IDX_CONST, /**< operand contains an integer constant that fits vm_idx_t */
     UNKNOWN, /**< operand, representing unknown value that would be rewritten later */
@@ -67,6 +68,21 @@ class jsp_operand_t
     return ret;
   } /* make_empty_operand */
 
+  /**
+   * Construct ThisBinding operand
+   *
+   * @return constructed operand
+   */
+  static jsp_operand_t
+  make_this_operand (void)
+  {
+    jsp_operand_t ret;
+
+    ret._type = jsp_operand_t::THIS_BINDING;
+
+    return ret;
+  } /* make_this_operand */
+
   /**
    * Construct unknown operand
    *
@@ -175,6 +191,19 @@ class jsp_operand_t
     return (_type == jsp_operand_t::EMPTY);
   } /* is_empty_operand */
 
+  /**
+   * Is it ThisBinding operand?
+   *
+   * @return true / false
+   */
+  bool
+  is_this_operand (void) const
+  {
+    JERRY_ASSERT (_type != jsp_operand_t::UNINITIALIZED);
+
+    return (_type == jsp_operand_t::THIS_BINDING);
+  } /* is_this_operand */
+
   /**
    * Is it unknown operand?
    *
@@ -270,6 +299,10 @@ class jsp_operand_t
     {
       return VM_IDX_REWRITE_LITERAL_UID;
     }
+    else if (_type == jsp_operand_t::THIS_BINDING)
+    {
+      return VM_REG_SPECIAL_THIS_BINDING;
+    }
     else
     {
       JERRY_ASSERT (_type == jsp_operand_t::EMPTY);