rewrite codegen to liquid templates

Author: iliabylich

Makefile

@@ -63,7 +63,7 @@ clean:
 	rm -f *.$(O)
 	rm -f *.$(A)
 	rm -rf *.dSYM
-	touch codegen/Cargo.toml
+	touch codegen/build.rs
 
 check:
 	CC=$(CC) ruby assert_defs.rb bindings.hpp bindings.cpp bindings_messages.cpp bindings_nodes.cpp

codegen/Cargo.toml

@@ -9,4 +9,4 @@ version = "0.1.0"
 cbindgen = "0.20.0"
 
 [build-dependencies]
-lib-ruby-parser-nodes = {version = "0.47.0"}
+lib-ruby-parser-nodes = {path = "/Users/ilyabylich/Work/lib-ruby-parser/nodes"}