A tool in jerry-ext: arg transformer for binding (#1740)

It provides some APIs for binding developers, so that they can validate the type of the js argument and convert/assign them to the native argument. Related Issue: #1716 JerryScript-DCO-1.0-Signed-off-by: Martijn The martijn.the@intel.com JerryScript-DCO-1.0-Signed-off-by: Zidong Jiang zidong.jiang@intel.com
2017-05-04 18:00:35 +08:00
parent ede13835b2
commit 90efdf9c8b
17 changed files with 1709 additions and 3 deletions
@@ -0,0 +1,58 @@
+/* Copyright JS Foundation and other contributors, http://js.foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "arg-internal.h"
+#include "jerryscript-ext/arg.h"
+#include "jerryscript.h"
+
+/**
+ * Pop the current JS argument from the iterator.
+ * It will change the index and js_arg_p value in the iterator.
+ *
+ * @return the current JS argument.
+ */
+jerry_value_t
+jerryx_arg_js_iterator_pop (jerryx_arg_js_iterator_t *js_arg_iter_p) /**< the JS arg iterator */
+{
+  return (js_arg_iter_p->js_arg_idx++ < js_arg_iter_p->js_arg_cnt ? *js_arg_iter_p->js_arg_p++
+                                                                  : jerry_create_undefined ());
+} /* jerryx_arg_js_iterator_pop */
+
+/**
+ * Get the current JS argument from the iterator.
+ *
+ * Note:
+ *     Unlike jerryx_arg_js_iterator_pop, it will not change index and
+ *     js_arg_p value in the iterator.
+ *
+ * @return the current JS argument.
+ */
+jerry_value_t
+jerryx_arg_js_iterator_peek (jerryx_arg_js_iterator_t *js_arg_iter_p) /**< the JS arg iterator */
+{
+  return (js_arg_iter_p->js_arg_idx < js_arg_iter_p->js_arg_cnt ? *js_arg_iter_p->js_arg_p
+                                                                : jerry_create_undefined ());
+} /* jerryx_arg_js_iterator_peek */
+
+/**
+ * Get the index of the current JS argument
+ *
+ * @return the index
+ */
+jerry_length_t
+jerryx_arg_js_iterator_index (jerryx_arg_js_iterator_t *js_arg_iter_p) /**< the JS arg iterator */
+{
+  return js_arg_iter_p->js_arg_idx;
+} /* jerryx_arg_js_iterator_index */