literal storage using hashmap

jerry-core/ecma/base/ecma-literal-storage.c

@@ -211,8 +211,9 @@ ecma_find_empty_literal_string_slot (void)
  * @return jmem_cpointer_t slot pointer
  */
 
+#if !JERRY_LIT_HASHMAP
 static jmem_cpointer_t *
-ecma_find_empty_or_same_literal_string_slot (ecma_string_t *string_p)
+ecma_find_empty_or_same_literal_string_slot (ecma_string_t *string_p /**< string to be searched */)
 {
   jmem_cpointer_t string_list_cp = JERRY_CONTEXT (string_list_first_cp);
   jmem_cpointer_t *empty_cpointer_p = NULL;
@@ -250,6 +251,7 @@ ecma_find_empty_or_same_literal_string_slot (ecma_string_t *string_p)
 
   return ecma_allocate_new_string_slot ();
 } /* ecma_find_empty_or_same_literal_string_slot */
+#endif
 
 /**
  * Find or create a literal string.

jerry-core/lit/lit-hashmap-internal.h

@@ -26,9 +26,13 @@
 #define HASHMAP_ALWAYS_INLINE       __attribute__ ((always_inline)) inline
 #define HASHMAP_LINEAR_PROBE_LENGTH (8)
 
+/**
+ * hashmap creation options.
+ */
+
 typedef struct hashmap_create_options_s
 {
-  hashmap_uint32_t initial_capacity;
+  hashmap_uint32_t initial_capacity; /**< initial hashmap capacity */
 } hashmap_create_options_t;
 
 /// @brief Create a hashmap.

jerry-core/lit/lit-hashmap.h

@@ -30,18 +30,26 @@ typedef uint8_t hashmap_uint8_t;
 typedef uint32_t hashmap_uint32_t;
 typedef uint64_t hashmap_uint64_t;
 
+/**
+ * hashmap element
+ */
+
 typedef struct hashmap_element_s
 {
-  const ecma_string_t *data;
+  const ecma_string_t *data; /**< point to a literal */
 } hashmap_element_t;
 
+/**
+ * hashmap structure
+ */
+
 typedef struct hashmap_s
 {
-  hashmap_uint32_t log2_capacity;
-  hashmap_uint32_t size;
-  struct hashmap_element_s *data;
-  size_t alloc_size;
-  uint8_t initialized;
+  hashmap_uint32_t log2_capacity; /**< hashmap capacity */
+  hashmap_uint32_t size;          /**< hashmap size*/
+  struct hashmap_element_s *data; /**< element array */
+  size_t alloc_size;              /**< allocated size */
+  uint8_t initialized;            /**< 0 if not initialized */
 } hashmap_t;
 
 /// @brief Initialize the hashmap.