Auto merge of #264 - fitzgen:emit-ir, r=emilio

Add an option to emit our ir for debugging

Similar to our ability to emit the clang AST, this adds an option to
emit our IR for debugging purposes.

This can wait to land until after #204 is merged.

r? @emilio

1 files changed, 7 insertions, 0 deletions

diff --git a/libbindgen/src/codegen/mod.rs b/libbindgen/src/codegen/mod.rs
index 8e04fd7c..009d8819 100644
--- a/libbindgen/src/codegen/mod.rs
+++ b/libbindgen/src/codegen/mod.rs
@@ -1892,6 +1892,13 @@ pub fn codegen(context: &mut BindgenContext) -> Vec<P<ast::Item>> {
 
         let whitelisted_items: ItemSet = context.whitelisted_items().collect();
 
+        if context.options().emit_ir {
+            for &id in whitelisted_items.iter() {
+                let item = context.resolve_item(id);
+                println!("ir: {:?} = {:#?}", id, item);
+            }
+        }
+
         for &id in whitelisted_items.iter() {
             let item = context.resolve_item(id);