Merge pull request #32 from rust-lang/feature/alignof

Add new_alignof method

Author: antoyo

gccjit_sys/src/lib.rs

@@ -670,4 +670,7 @@ extern {
     #[cfg(feature="master")]
     pub fn gcc_jit_rvalue_set_location(rvalue: *mut gcc_jit_rvalue,
                                        loc: *mut gcc_jit_location);
+
+    #[cfg(feature="master")]
+    pub fn gcc_jit_context_new_alignof(ctxt: *mut gcc_jit_context, typ: *mut gcc_jit_type) -> *mut gcc_jit_rvalue;
 }

src/context.rs

@@ -1049,7 +1049,6 @@ impl<'ctx> Context<'ctx> {
     #[cfg(feature="master")]
     /// Creates a new RValue from a sizeof(type).
     pub fn new_sizeof<'a>(&'a self, ty: types::Type<'a>) -> RValue<'a> {
-
         unsafe {
             let ptr = gccjit_sys::gcc_jit_context_new_sizeof(self.ptr, types::get_ptr(&ty));
             #[cfg(debug_assertions)]
@@ -1060,6 +1059,19 @@ impl<'ctx> Context<'ctx> {
         }
     }
 
+    #[cfg(feature="master")]
+    /// Creates a new RValue from a _Alignof(type).
+    pub fn new_alignof<'a>(&'a self, ty: types::Type<'a>) -> RValue<'a> {
+        unsafe {
+            let ptr = gccjit_sys::gcc_jit_context_new_alignof(self.ptr, types::get_ptr(&ty));
+            #[cfg(debug_assertions)]
+            if let Ok(Some(error)) = self.get_last_error() {
+                panic!("{}", error);
+            }
+            rvalue::from_ptr(ptr)
+        }
+    }
+
     /// Dumps a small C file to the path that can be used to reproduce a series
     /// of API calls. You should only ever need to call this if you are debugging
     /// an issue in gccjit itself or this library.