Use custom logic for lambda instead of json path (#154)

crates/air-lib/lambda/parser/build.rs

@@ -0,0 +1,24 @@
+/*
+ * Copyright 2020 Fluence Labs Limited
+ *
+ * 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.
+ */
+
+extern crate lalrpop;
+
+fn main() {
+    lalrpop::Configuration::new()
+        .generate_in_source_tree()
+        .process()
+        .unwrap();
+}