Add set_lang_name and Context::set_filename

Author: antoyo

gccjit_sys/src/lib.rs

@@ -774,4 +774,10 @@ extern_maybe_dlopen! {
 
     #[cfg(feature="master")]
     fn gcc_jit_type_set_addressable(typ: *mut gcc_jit_type);
+
+    #[cfg(feature="master")]
+    fn gcc_jit_set_lang_name(lang_name: *const c_char);
+
+    #[cfg(feature="master")]
+    fn gcc_jit_context_set_filename(ctx: *mut gcc_jit_context, filename: *const c_char);
 }

src/context.rs

@@ -1271,6 +1271,16 @@ impl<'ctx> Context<'ctx> {
             panic!("{}", error);
         }
     }
+
+    #[cfg(feature="master")]
+    pub fn set_filename(&self, filename: &str) {
+        let c_str = CString::new(filename).unwrap();
+        with_lib(|lib| {
+            unsafe {
+                lib.gcc_jit_context_set_filename(self.ptr, c_str.as_ptr());
+            }
+        })
+    }
 }
 
 impl<'ctx> Drop for Context<'ctx> {

src/lib.rs

@@ -33,7 +33,7 @@ mod block;
 #[cfg(feature="master")]
 mod target_info;
 
-#[cfg(feature="dlopen")]
+#[cfg(any(feature="dlopen", feature="master"))]
 use std::ffi::CStr;
 #[cfg(feature="dlopen")]
 use std::sync::OnceLock;
@@ -148,3 +148,12 @@ pub static LIB: OnceLock<Option<Libgccjit>> = OnceLock::new();
 // Without the dlopen feature, we avoid using OnceLock as to not have any performance impact.
 #[cfg(not(feature="dlopen"))]
 static LIB: Libgccjit = Libgccjit::new();
+
+#[cfg(feature="master")]
+pub fn set_lang_name(lang_name: &'static CStr) {
+    unsafe {
+        with_lib(|lib| {
+            lib.gcc_jit_set_lang_name(lang_name.as_ptr());
+        });
+    }
+}