1 files changed, 51 insertions, 3 deletions

diff --git a/jerry-core/debugger/debugger.h b/jerry-core/debugger/debugger.h
index 5b1db984..11caadcd 100644
--- a/jerry-core/debugger/debugger.h
+++ b/jerry-core/debugger/debugger.h
@@ -26,7 +26,7 @@
 /**
  * JerryScript debugger protocol version.
  */
-#define JERRY_DEBUGGER_VERSION (6)
+#define JERRY_DEBUGGER_VERSION (7)
 
 /**
  * Frequency of calling jerry_debugger_receive() by the VM.
@@ -157,7 +157,9 @@ typedef enum
   JERRY_DEBUGGER_WAIT_FOR_SOURCE = 25, /**< engine waiting for source code */
   JERRY_DEBUGGER_OUTPUT_RESULT = 26, /**< output sent by the program to the debugger */
   JERRY_DEBUGGER_OUTPUT_RESULT_END = 27, /**< last output result data */
-
+  JERRY_DEBUGGER_SCOPE_CHAIN = 28,
+  JERRY_DEBUGGER_SCOPE_VARIABLES = 29,
+  JERRY_DEBUGGER_SCOPE_VARIABLES_END = 30,
   JERRY_DEBUGGER_MESSAGES_OUT_MAX_COUNT, /**< number of different type of output messages by the debugger */
 
   /* Messages sent by the client to server. */
@@ -187,7 +189,8 @@ typedef enum
   JERRY_DEBUGGER_GET_BACKTRACE = 16, /**< get backtrace */
   JERRY_DEBUGGER_EVAL = 17, /**< first message of evaluating a string */
   JERRY_DEBUGGER_EVAL_PART = 18, /**< next message of evaluating a string */
-
+  JERRY_DEBUGGER_GET_SCOPE_CHAIN = 19, /**< get the lex env names from the scope chain */
+  JERRY_DEBUGGER_GET_SCOPE_VARIABLES = 20,
   JERRY_DEBUGGER_MESSAGES_IN_MAX_COUNT, /**< number of different type of input messages */
 } jerry_debugger_header_type_t;
 
@@ -235,6 +238,33 @@ typedef enum
 } jerry_debugger_output_subtype_t;
 
 /**
+ * Types of scope chain.
+ *
+ */
+typedef enum
+{
+  JERRY_DEBUGGER_SCOPE_WITH = 1, /**< with */
+  JERRY_DEBUGGER_SCOPE_LOCAL = 2, /**< local */
+  JERRY_DEBUGGER_SCOPE_CLOSURE = 3, /**< closure */
+  JERRY_DEBUGGER_SCOPE_GLOBAL = 4, /**< global */
+  JERRY_DEBUGGER_SCOPE_CATCH = 5
+} jerry_debugger_scope_chain_type_t;
+
+
+typedef enum
+{
+  JERRY_DEBUGGER_VARIABLE_NONE = 1,
+  JERRY_DEBUGGER_VARIABLE_UNDEFINED = 2,
+  JERRY_DEBUGGER_VARIABLE_NULL = 3,
+  JERRY_DEBUGGER_VARIABLE_BOOLEAN = 4,
+  JERRY_DEBUGGER_VARIABLE_NUMBER = 5,
+  JERRY_DEBUGGER_VARIABLE_STRING = 6,
+  JERRY_DEBUGGER_VARIABLE_FUNCTION = 7,
+  JERRY_DEBUGGER_VARIABLE_ARRAY = 8,
+  JERRY_DEBUGGER_VARIABLE_OBJECT = 9
+} jerry_debugger_scope_variable_type_t;
+
+/**
  * Byte data for evaluating expressions and receiving client source.
  */
 typedef struct
@@ -370,6 +400,15 @@ typedef struct
 } jerry_debugger_send_backtrace_t;
 
 /**
+ * Outgoing message: scope chain information.
+ */
+typedef struct
+{
+  uint8_t type; /**< type of the message */
+  uint8_t chain_types[]; /**< scope chain types */
+} jerry_debugger_send_scope_chain_t;
+
+/**
  * Outgoing message: number of total frames in backtrace.
  */
 typedef struct
@@ -417,6 +456,15 @@ typedef struct
 } jerry_debugger_receive_eval_first_t;
 
 /**
+ * Incoming message: get scope variables
+*/
+typedef struct
+{
+  uint8_t type; /**< type of the message */
+  uint8_t chain_index[sizeof (uint32_t)]; /**< index element of the scope */
+} jerry_debugger_receive_get_scope_variables_t;
+
+/**
  * Incoming message: first message of client source.
  */
 typedef struct