Merge line-by-line parser

src/libjsparser/allocator.h

@@ -0,0 +1,53 @@
+/* Copyright 2014 Samsung Electronics Co., Ltd.
+ *
+ * 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.
+ */
+
+/* This allocator only allocates a memmory and doesn't free it.
+   Use it only in dedicated parser, otherwise use jerry fixed pool allocator.  */
+#ifndef ALLOCATOR_H
+#define ALLOCATOR_H
+
+#include "../globals.h"
+
+#define ALLOCATION_BUFFER_SIZE 4096
+
+char allocation_buffer[ALLOCATION_BUFFER_SIZE];
+char *free_memory;
+
+static void *
+geppetto_allocate_memory (size_t size)
+{
+  void *res;
+  if (!free_memory)
+    free_memory = allocation_buffer;
+  
+  res = free_memory;
+  free_memory += size;
+  JERRY_ASSERT (free_memory - allocation_buffer < ALLOCATION_BUFFER_SIZE);
+  return res;
+}
+
+static inline void *
+malloc (size_t size)
+{
+  return geppetto_allocate_memory (size);
+}
+
+static inline void
+free (void *mem __unused)
+{
+  JERRY_UNREACHABLE ();
+}
+
+#endif // ALLOCATOR_H