Implement handle scope API in jerry-ext (#2753)

JerryScript-DCO-1.0-Signed-off-by: legendecas legendecas@gmail.com
2019-03-27 21:49:59 +08:00
parent 772ab277ea
commit 5b29bf6288
13 changed files with 1510 additions and 0 deletions
@@ -0,0 +1,89 @@
+/* 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.
+ */
+
+#ifndef JERRYX_HANDLE_SCOPE_INTERNAL_H
+#define JERRYX_HANDLE_SCOPE_INTERNAL_H
+
+#include "jerryscript.h"
+#include "jerryscript-port.h"
+#include "jerryscript-ext/handle-scope.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif /* __cplusplus */
+
+#define JERRYX_HANDLE_SCOPE_ASSERT(x) \
+  do \
+  { \
+    if (!(x)) \
+    { \
+      jerry_port_log (JERRY_LOG_LEVEL_ERROR, \
+                      "JerryXHandleScope: Assertion '%s' failed at %s(%s):%lu.\n", \
+                      #x, \
+                      __FILE__, \
+                      __func__, \
+                      (unsigned long) __LINE__); \
+      jerry_port_fatal (ERR_FAILED_INTERNAL_ASSERTION); \
+    } \
+  } while (0)
+
+/** MARK: - handle-scope-allocator.c */
+typedef struct jerryx_handle_scope_pool_s jerryx_handle_scope_pool_t;
+/**
+ * A linear allocating memory pool for type jerryx_handle_scope_t,
+ * in which allocated item shall be released in reversed order of allocation
+ */
+struct jerryx_handle_scope_pool_s
+{
+  jerryx_handle_scope_t prelist[JERRYX_SCOPE_PRELIST_SIZE]; /**< inlined handle scopes in the pool */
+  size_t count; /**< number of handle scopes in the pool */
+  jerryx_handle_scope_dynamic_t *start; /**< start address of dynamically allocated handle scope list */
+};
+
+jerryx_handle_scope_t *
+jerryx_handle_scope_get_parent (jerryx_handle_scope_t *scope);
+
+jerryx_handle_scope_t *
+jerryx_handle_scope_get_child (jerryx_handle_scope_t *scope);
+
+jerryx_handle_scope_t *
+jerryx_handle_scope_alloc (void);
+
+void
+jerryx_handle_scope_free (jerryx_handle_scope_t *scope);
+/** MARK: - END handle-scope-allocator.c */
+
+/** MARK: - handle-scope.c */
+void
+jerryx_handle_scope_release_handles (jerryx_handle_scope scope);
+
+jerry_value_t
+jerryx_hand_scope_escape_handle_from_prelist (jerryx_handle_scope scope, size_t idx);
+
+jerry_value_t
+jerryx_handle_scope_add_handle_to (jerryx_handle_t *handle, jerryx_handle_scope scope);
+
+jerryx_handle_scope_status
+jerryx_escape_handle_internal (jerryx_escapable_handle_scope scope,
+                               jerry_value_t escapee,
+                               jerry_value_t *result,
+                               bool should_promote);
+/** MARK: - END handle-scope.c */
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* !JERRYX_HANDLE_SCOPE_INTERNAL_H */