Improve jerry_is_feature_enabled with object availability information

JerryScript-DCO-1.0-Signed-off-by: Zsolt Raduska rzsolt@inf.u-szeged.hu

Author: ZsoltRaduska

docs/02.API-REFERENCE.md

@@ -53,6 +53,11 @@ Possible compile time enabled feature types:
  - JERRY_FEATURE_SNAPSHOT_EXEC - executing snapshot files
  - JERRY_FEATURE_DEBUGGER - debugging
  - JERRY_FEATURE_VM_EXEC_STOP - stopping ECMAScript execution
+ - JERRY_FEATURE_JSON - JSON support
+ - JERRY_FEATURE_PROMISE - promise support
+ - JERRY_FEATURE_TYPEDARRAY - Typedarray support
+ - JERRY_FEATURE_DATE - Date support
+ - JERRY_FEATURE_REGEXP - RegExp support
 
 ## jerry_char_t
 

jerry-core/api/jerry.c

@@ -865,6 +865,21 @@ bool jerry_is_feature_enabled (const jerry_feature_t feature)
 #ifdef JERRY_VM_EXEC_STOP
           || feature == JERRY_FEATURE_VM_EXEC_STOP
 #endif /* JERRY_VM_EXEC_STOP */
+#ifndef CONFIG_DISABLE_JSON_BUILTIN
+          || feature == JERRY_FEATURE_JSON
+#endif /* !CONFIG_DISABLE_JSON_BUILTIN */
+#ifndef CONFIG_DISABLE_ES2015_PROMISE_BUILTIN
+          || feature == JERRY_FEATURE_PROMISE
+#endif /* !CONFIG_DISABLE_ES2015_PROMISE_BUILTIN */
+#ifndef CONFIG_DISABLE_ES2015_TYPEDARRAY_BUILTIN
+          || feature == JERRY_FEATURE_TYPEDARRAY
+#endif /* !CONFIG_DISABLE_ES2015_TYPEDARRAY_BUILTIN */
+#ifndef CONFIG_DISABLE_DATE_BUILTIN
+          || feature == JERRY_FEATURE_DATE
+#endif /* !CONFIG_DISABLE_DATE_BUILTIN */
+#ifndef CONFIG_DISABLE_REGEXP_BUILTIN
+          || feature == JERRY_FEATURE_REGEXP
+#endif /* !CONFIG_DISABLE_REGEXP_BUILTIN */
           );
 } /* jerry_is_feature_enabled */
 

jerry-core/include/jerryscript-core.h

@@ -90,6 +90,11 @@ typedef enum
   JERRY_FEATURE_SNAPSHOT_EXEC, /**< executing snapshot files */
   JERRY_FEATURE_DEBUGGER, /**< debugging */
   JERRY_FEATURE_VM_EXEC_STOP, /**< stopping ECMAScript execution */
+  JERRY_FEATURE_JSON, /**< JSON support */
+  JERRY_FEATURE_PROMISE, /**< promise support */
+  JERRY_FEATURE_TYPEDARRAY, /**< Typedarray support */
+  JERRY_FEATURE_DATE, /**< Date support */
+  JERRY_FEATURE_REGEXP, /**< Regexp support */
   JERRY_FEATURE__COUNT /**< number of features. NOTE: must be at the end of the list */
 } jerry_feature_t;