From 819b9474456fee015020545fc2c3a8c6c3b4f449 Mon Sep 17 00:00:00 2001
From: Ruben Ayrapetyan <r.ayrapetyan@samsung.com>
Date: Thu, 17 Jul 2014 21:07:25 +0400
Subject: [PATCH] Introducing try_get_string_by_idx interface for retrieving
 literal string value by it's identifier.

---
 src/libcoreint/interpreter.c | 30 ++++++++++++++++++++++++++++++
 src/libcoreint/interpreter.h |  5 ++++-
 2 files changed, 34 insertions(+), 1 deletion(-)

diff --git a/src/libcoreint/interpreter.c b/src/libcoreint/interpreter.c
index 5652ebd30..aa94b445b 100644
--- a/src/libcoreint/interpreter.c
+++ b/src/libcoreint/interpreter.c
@@ -44,3 +44,33 @@ run_int_from_pos (struct __int_data *int_data)
   OPCODE *curr = &__program[int_data->pos];
   __opfuncs[curr->op_idx](*curr, int_data);
 }
+
+/**
+ * Copy zero-terminated string literal value to specified buffer.
+ *
+ * @return upon success - number of bytes actually copied,
+ *         otherwise (buffer size is not enough) - negated minimum required buffer size.
+ */
+ssize_t
+try_get_string_by_idx(T_IDX idx, /**< literal id */
+                      ecma_Char_t *buffer_p, /**< buffer */
+                      ssize_t buffer_size) /**< buffer size */
+{
+  TODO( Actual string literal retrievement );
+
+  ssize_t req_length = 2; // TODO
+
+  JERRY_ASSERT( idx < 'z' - 'a' + 1 );
+
+  if ( buffer_size < req_length )
+  {
+    return -req_length;
+  }
+
+  // TODO
+
+  buffer_p[0] = (ecma_Char_t) ('a' + idx);
+  buffer_p[1] = 0;
+
+  return req_length;
+} /* try_get_string_by_idx */
diff --git a/src/libcoreint/interpreter.h b/src/libcoreint/interpreter.h
index 7611f05ab..3368045e5 100644
--- a/src/libcoreint/interpreter.h
+++ b/src/libcoreint/interpreter.h
@@ -16,8 +16,9 @@
 #ifndef INTERPRETER_H
 #define	INTERPRETER_H
 
-#include "opcodes.h"
 #include "ecma-globals.h"
+#include "globals.h"
+#include "opcodes.h"
 
 OPCODE __program[128];
 
@@ -35,5 +36,7 @@ void init_int (void);
 void run_int (void);
 void run_int_from_pos (struct __int_data *);
 
+ssize_t try_get_string_by_idx( T_IDX idx, ecma_Char_t *buffer_p, ssize_t buffer_size);
+
 #endif	/* INTERPRETER_H */