Introducing Global Environment constructor; using Global Environment as starting lexical environment.

src/libcoreint/interpreter.c

@@ -16,6 +16,7 @@
 #include "deserializer.h"
 #include "ecma-globals.h"
 #include "ecma-helpers.h"
+#include "ecma-lex-env.h"
 #include "globals.h"
 #include "interpreter.h"
 #include "jerry-libc.h"
@@ -48,7 +49,7 @@ run_int (void)
 
   const opcode_counter_t start_pos = 0;
   ecma_value_t this_binding_value = ecma_make_simple_value( ECMA_SIMPLE_VALUE_UNDEFINED);
-  ecma_object_t *lex_env_p = ecma_create_decl_lex_env (NULL);
+  ecma_object_t *lex_env_p = ecma_op_create_global_environment();
   FIXME( Strict mode );
   const bool is_strict = false;
 

src/libecmaoperations/ecma-lex-env.c

@@ -474,6 +474,23 @@ ecma_op_initialize_immutable_binding(ecma_object_t *lex_env_p, /**< lexical envi
   JERRY_UNREACHABLE();
 } /* ecma_op_initialize_immutable_binding */
 
+/**
+ * The Global Environment constructor.
+ *
+ * See also: ECMA-262 v5, 10.2.3
+ *
+ * @return pointer to created lexical environment
+ */
+ecma_object_t*
+ecma_op_create_global_environment( void)
+{
+  ecma_object_t *glob_obj_p = ecma_op_create_global_object();
+
+  ecma_object_t *glob_env_p = ecma_create_object_lex_env( NULL, glob_obj_p, false);
+
+  return glob_env_p;
+} /* ecma_op_create_global_environment */
+
 /**
  * @}
  * @}

src/libecmaoperations/ecma-lex-env.h

@@ -40,6 +40,8 @@ extern ecma_completion_value_t ecma_op_implicit_this_value( ecma_object_t *lex_e
 extern void ecma_op_create_immutable_binding( ecma_object_t *lex_env_p, const ecma_char_t *name_p);
 extern void ecma_op_initialize_immutable_binding( ecma_object_t *lex_env_p, const ecma_char_t *name_p, ecma_value_t value);
 
+extern ecma_object_t* ecma_op_create_global_environment( void);
+
 /**
  * @}
  * @}