update rust bindings to include scanner and queries (#30)

Co-authored-by: Jonatan Kłosko <jonatanklosko@gmail.com>

.gitignore

@@ -8,3 +8,7 @@
 /build/
 log.html
 tree-sitter-elixir.wasm
+
+# Files generated by Cargo
+/target/
+Cargo.lock

bindings/rust/build.rs

@@ -22,10 +22,6 @@ fn main() {
     c_config.compile("parser");
     println!("cargo:rerun-if-changed={}", parser_path.to_str().unwrap());
 
-    // If your language uses an external scanner written in C++,
-    // then include this block of code:
-
-    /*
     let mut cpp_config = cc::Build::new();
     cpp_config.cpp(true);
     cpp_config.include(&src_dir);
@@ -36,5 +32,4 @@ fn main() {
     cpp_config.file(&scanner_path);
     cpp_config.compile("scanner");
     println!("cargo:rerun-if-changed={}", scanner_path.to_str().unwrap());
-    */
 }

bindings/rust/lib.rs

@@ -35,10 +35,10 @@ pub const NODE_TYPES: &'static str = include_str!("../../src/node-types.json");
 
 // Uncomment these to include any queries that this grammar contains
 
-// pub const HIGHLIGHTS_QUERY: &'static str = include_str!("../../queries/highlights.scm");
+pub const HIGHLIGHTS_QUERY: &'static str = include_str!("../../queries/highlights.scm");
 // pub const INJECTIONS_QUERY: &'static str = include_str!("../../queries/injections.scm");
 // pub const LOCALS_QUERY: &'static str = include_str!("../../queries/locals.scm");
-// pub const TAGS_QUERY: &'static str = include_str!("../../queries/tags.scm");
+pub const TAGS_QUERY: &'static str = include_str!("../../queries/tags.scm");
 
 #[cfg(test)]
 mod tests {