1 files changed, 26 insertions, 0 deletions
diff --git a/src/chooser.rs b/src/chooser.rs
new file mode 100644
index 00000000..51392d70
--- /dev/null
+++ b/src/chooser.rs
@@ -0,0 +1,26 @@
+//! A public API for more fine-grained customization of bindgen behavior.
+
+pub use ir::int::IntKind;
+pub use ir::enum_ty::{EnumVariantValue, EnumVariantCustomBehavior};
+use std::fmt;
+
+/// A trait to allow configuring different kinds of types in different
+/// situations.
+pub trait TypeChooser: fmt::Debug {
+    /// The integer kind an integer macro should have, given a name and the
+    /// value of that macro, or `None` if you want the default to be chosen.
+    fn int_macro(&self, _name: &str, _value: i64) -> Option<IntKind> {
+        None
+    }
+
+    /// This function should return whether, given the a given enum variant
+    /// name, and value, returns whether this enum variant will forcibly be a
+    /// constant.
+    fn enum_variant_behavior(&self,
+                             _enum_name: Option<&str>,
+                             _variant_name: &str,
+                             _variant_value: EnumVariantValue)
+                             -> Option<EnumVariantCustomBehavior> {
+        None
+    }
+}