From e6b3be5dfc0dc88c2989a78fbf16845802e2006d Mon Sep 17 00:00:00 2001
From: Ruben Ayrapetyan <r.ayrapetyan@samsung.com>
Date: Thu, 10 Jul 2014 21:52:15 +0400
Subject: [PATCH] jerry_Exit - exit function that under !JERRY_NDEBUG, in case
 status code is non-zero, prints exit status as string and calls handler of
 failed assertion.

---
 src/globals.h               | 31 +++++++++-----
 src/libruntime/jerry-exit.c | 80 +++++++++++++++++++++++++++++++++++++
 2 files changed, 100 insertions(+), 11 deletions(-)
 create mode 100644 src/libruntime/jerry-exit.c

diff --git a/src/globals.h b/src/globals.h
index 8fb6b4090..2fcfe2972 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -48,18 +48,22 @@ typedef enum {
 #define JERRY_BITSINBYTE 8
 
 /**
- * Errors
+ * Error codes
  */
-#define ERR_IO (-1)
-#define ERR_BUFFER_SIZE (-2)
-#define ERR_SEVERAL_FILES (-3)
-#define ERR_NO_FILES (-4)
-#define ERR_NON_CHAR (-5)
-#define ERR_UNCLOSED (-6)
-#define ERR_INT_LITERAL (-7)
-#define ERR_STRING (-8)
-#define ERR_PARSER (-9)
-#define ERR_GENERAL (-255)
+typedef enum
+{
+  ERR_OK = 0,
+  ERR_IO = -1,
+  ERR_BUFFER_SIZE = -2,
+  ERR_SEVERAL_FILES = -3,
+  ERR_NO_FILES = -4,
+  ERR_NON_CHAR = -5,
+  ERR_UNCLOSED = -6,
+  ERR_INT_LITERAL = -7,
+  ERR_STRING = -8,
+  ERR_PARSER = -9,
+  ERR_GENERAL = -255
+} jerry_Status_t;
 
 /**
  * Asserts
@@ -98,6 +102,11 @@ extern void __noreturn jerry_AssertFail( const char *assertion, const char *file
 #define JERRY_UNREACHABLE() do { JERRY_ASSERT( false); __builtin_trap(); } while (0)
 #define JERRY_UNIMPLEMENTED() JERRY_UNREACHABLE()
 
+/**
+ * Exit
+ */
+extern void __noreturn jerry_Exit( jerry_Status_t code);
+
 /**
  * sizeof, offsetof, ...
  */
diff --git a/src/libruntime/jerry-exit.c b/src/libruntime/jerry-exit.c
new file mode 100644
index 000000000..2fc97fc28
--- /dev/null
+++ b/src/libruntime/jerry-exit.c
@@ -0,0 +1,80 @@
+/* Copyright 2014 Samsung Electronics Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Implementation of exit with specified status code.
+ */
+
+#include "globals.h"
+#include "jerry-libc.h"
+
+/*
+ * Exit with specified status code.
+ *
+ * If !JERRY_NDEBUG and code != 0, print status code with description
+ * and call assertion fail handler.
+ */
+void __noreturn
+jerry_Exit( jerry_Status_t code) /**< status code */
+{
+#ifndef JERRY_NDEBUG
+  if ( code != ERR_OK )
+  {
+    __printf("Error: ");
+
+    switch ( code )
+    {
+      case ERR_OK:
+        JERRY_UNREACHABLE();
+        break;
+      case ERR_IO:
+        __printf("ERR_IO\n");
+        break;
+      case ERR_BUFFER_SIZE:
+        __printf("ERR_BUFFER_SIZE\n");
+        break;
+      case ERR_SEVERAL_FILES:
+        __printf("ERR_SEVERAL_FILES\n");
+        break;
+      case ERR_NO_FILES:
+        __printf("ERR_NO_FILES\n");
+        break;
+      case ERR_NON_CHAR:
+        __printf("ERR_NON_CHAR\n");
+        break;
+      case ERR_UNCLOSED:
+        __printf("ERR_UNCLOSED\n");
+        break;
+      case ERR_INT_LITERAL:
+        __printf("ERR_INT_LITERAL\n");
+        break;
+      case ERR_STRING:
+        __printf("ERR_STRING\n");
+        break;
+      case ERR_PARSER:
+        __printf("ERR_PARSER\n");
+        break;
+      case ERR_GENERAL:
+        __printf("ERR_GENERAL\n");
+        break;
+    }
+
+    jerry_AssertFail( "Return code is zero", __FILE__, __LINE__);
+  }
+#endif /* !JERRY_NDEBUG */  
+
+  __exit( -code );
+} /* jerry_Exit */
+