Support C++ files in tree-sitter parsers

build.rs

@@ -1,16 +1,36 @@
 use std::path::PathBuf;
 
-fn build(package_name: &str, package_dir: &str, extra_c_files: &[&str]) {
+fn build(package_name: &str, package_dir: &str, extra_files: &[&str]) {
     let dir = PathBuf::from(package_dir);
 
-    let mut build = cc::Build::new();
-    build.include(&dir).warnings(false); // ignore unused parameter warnings
+    let mut c_files = vec!["parser.c"];
+    let mut cpp_files = vec![];
+
+    for file in extra_files {
+        if file.ends_with(".c") {
+            c_files.push(file);
+        } else {
+            cpp_files.push(file);
+        }
+    }
 
-    build.file(dir.join("parser.c"));
-    for c_file in extra_c_files {
-        build.file(dir.join(c_file));
+    dbg!(&c_files);
+    dbg!(&cpp_files);
+
+    if !cpp_files.is_empty() {
+        let mut cpp_build = cc::Build::new();
+        cpp_build.include(&dir).cpp(true);
+        for file in cpp_files {
+            cpp_build.file(dir.join(file));
+        }
+        cpp_build.compile(package_name);
     }
 
+    let mut build = cc::Build::new();
+    build.include(&dir).warnings(false); // ignore unused parameter warnings
+    for file in c_files {
+        build.file(dir.join(file));
+    }
     build.compile(package_name);
 }