Introduce JERRY_ZSTR_ARG macro to avoid jerryx_print_string, jerryx_print_byte, jerry_port_print_byte, strlen (#4982)

Replace usage of jerryx_print_byte, jerryx_print_string with jerryx_print_buffer.

As we now have JERRY_ZSTR_ARG, so we can take advantage of it

With this, the jerry_port_print_byte port api won't need any more
this reduced the port api surface

JerryScript-DCO-1.0-Signed-off-by: Yonggang Luo luoyonggang@gmail.com

jerry-core/include/jerryscript-port.h

@@ -142,16 +142,6 @@ void jerry_port_context_free (void);
  */
 void jerry_port_log (const char *message_p);
 
-/**
- * Print a single character to standard output.
- *
- * This port function is never called from jerry-core directly, it is only used by jerry-ext components to print
- * information.
- *
- * @param byte: the byte to print.
- */
-void jerry_port_print_byte (jerry_char_t byte);
-
 /**
  * Print a buffer to standard output
  *

jerry-core/include/jerryscript-types.h

@@ -856,6 +856,11 @@ typedef void (*jerry_arraybuffer_free_cb_t) (jerry_arraybuffer_type_t buffer_typ
                                              void *arraybuffer_user_p,
                                              void *user_p);
 
+/**
+ * Helper to expand string literal to [string pointer, string size] argument pair.
+ */
+#define JERRY_ZSTR_ARG(str) ((const jerry_char_t *) (str)), ((jerry_size_t) (sizeof (str) - 1))
+
 /**
  * @}
  */