Change parser to stack-only version

src/libcoreint/interpreter.h

@@ -23,6 +23,7 @@
 #endif
 
 #include "opcodes.h"
+#include "ecma-globals.h"
 
 OPCODE __program[128];
 
@@ -31,11 +32,13 @@ opfunc __opfuncs[LAST_OP];
 struct __int_data
 {
   int pos;
+  ecma_Object_t *pThisBinding; /**< this binding for current context */
+  ecma_Object_t *pLexEnv; /**< current lexical environment */
   int *root_op_addr;
 };
 
-void gen_bytecode ();
-void run_int ();
+void gen_bytecode (void);
+void run_int (void);
 void run_int_from_pos (struct __int_data *);
 
 #endif	/* INTERPRETER_H */