Tag params with source, rewrite find_impl to return boolean

1 files changed, 17 insertions, 1 deletions

diff --git a/src/ast/ast.hpp b/src/ast/ast.hpp
index 2b60ba57..2f6ab45f 100644
--- a/src/ast/ast.hpp
+++ b/src/ast/ast.hpp
@@ -1,3 +1,10 @@
+/*

+ * MRustC - Rust Compiler

+ * - By John Hodge (Mutabah/thePowersGang)

+ *

+ * ast/ast.hpp

+ * - Core AST header

+ */

 #ifndef AST_HPP_INCLUDED

 #define AST_HPP_INCLUDED

 

@@ -755,7 +762,16 @@ public:
  

     void post_parse();

     

-    ::rust::option<Impl&> find_impl(const Path& trait, const TypeRef& type);

+    bool find_impl(const Path& trait, const TypeRef& type, Impl** out_impl);

+    ::rust::option<Impl&> find_impl(const Path& trait, const TypeRef& type) {

+        Impl*   impl_ptr;

+        if( find_impl(trait, type, &impl_ptr) ) {

+            return ::rust::option<Impl&>(*impl_ptr);

+        }

+        else {

+            return ::rust::option<Impl&>();

+        }

+    }

     Function& lookup_method(const TypeRef& type, const char *name);

     

     void load_extern_crate(::std::string name);