Rework JerryScript transport layer. (#2421)

Introducing jerryscript-debugger-transport.h interface, which allows
chaining multiple protocols (e.g. tcp and websocket).

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com

jerry-core/parser/js/js-parser-internal.h

@@ -232,6 +232,13 @@ typedef struct
 {
   uint32_t value;                             /**< line or offset of the breakpoint */
 } parser_breakpoint_info_t;
+
+/**
+ * Maximum number of breakpoint info.
+ */
+#define PARSER_MAX_BREAKPOINT_INFO_COUNT \
+  (JERRY_DEBUGGER_TRANSPORT_MAX_BUFFER_SIZE / sizeof (parser_breakpoint_info_t))
+
 #endif /* JERRY_DEBUGGER */
 
 /**
@@ -316,8 +323,7 @@ typedef struct
 #endif /* PARSER_DUMP_BYTE_CODE */
 
 #ifdef JERRY_DEBUGGER
-  /** extra data for each breakpoint */
-  parser_breakpoint_info_t breakpoint_info[JERRY_DEBUGGER_MAX_BUFFER_SIZE / sizeof (parser_breakpoint_info_t)];
+  parser_breakpoint_info_t breakpoint_info[PARSER_MAX_BREAKPOINT_INFO_COUNT]; /**< breakpoint info list */
   uint16_t breakpoint_info_count; /**< current breakpoint index */
   parser_line_counter_t last_breakpoint_line; /**< last line where breakpoint has been inserted */
 #endif /* JERRY_DEBUGGER */

jerry-core/parser/js/js-parser.c

@@ -2949,7 +2949,7 @@ parser_parse_script (const uint8_t *arg_list_p, /**< function argument list */
         break;
       }
 
-      jerry_debugger_sleep ();
+      jerry_debugger_transport_sleep ();
     }
   }
 #endif /* JERRY_DEBUGGER */