uefi-macros: Update error messages to use function instead of method

Minor cleanup; a method usually refers to a function in an impl, not a
free-standing function like `main`.

Author: nicholasbishop

uefi-macros/src/lib.rs

@@ -103,7 +103,7 @@ fn get_function_arg_name(f: &ItemFn, arg_index: usize, errors: &mut TokenStream2
             // The argument is unnamed, i.e. `_`.
             errors.append_all(err!(
                 arg.pat.span(),
-                "Entry method's arguments must be named"
+                "Entry function's arguments must be named"
             ));
             None
         }
@@ -181,18 +181,18 @@ pub fn entry(args: TokenStream, input: TokenStream) -> TokenStream {
     let mut f = parse_macro_input!(input as ItemFn);
 
     if let Some(ref abi) = f.sig.abi {
-        errors.append_all(err!(abi, "Entry method must have no ABI modifier"));
+        errors.append_all(err!(abi, "Entry function must have no ABI modifier"));
     }
     if let Some(asyncness) = f.sig.asyncness {
-        errors.append_all(err!(asyncness, "Entry method should not be async"));
+        errors.append_all(err!(asyncness, "Entry function should not be async"));
     }
     if let Some(constness) = f.sig.constness {
-        errors.append_all(err!(constness, "Entry method should not be const"));
+        errors.append_all(err!(constness, "Entry function should not be const"));
     }
     if !f.sig.generics.params.is_empty() {
         errors.append_all(err!(
             f.sig.generics.params,
-            "Entry method should not be generic"
+            "Entry function should not be generic"
         ));
     }
 

uefi-macros/tests/ui/fail/entry_bad_abi.stderr

@@ -1,4 +1,4 @@
-error: Entry method must have no ABI modifier
+error: Entry function must have no ABI modifier
  --> tests/ui/fail/entry_bad_abi.rs:9:1
   |
 9 | extern "C" fn main(_handle: Handle, _st: SystemTable<Boot>) -> Status {

uefi-macros/tests/ui/fail/entry_bad_async.stderr

@@ -1,4 +1,4 @@
-error: Entry method should not be async
+error: Entry function should not be async
  --> tests/ui/fail/entry_bad_async.rs:8:1
   |
 8 | async fn main(_handle: Handle, _st: SystemTable<Boot>) -> Status {

uefi-macros/tests/ui/fail/entry_bad_const.stderr

@@ -1,4 +1,4 @@
-error: Entry method should not be const
+error: Entry function should not be const
  --> tests/ui/fail/entry_bad_const.rs:8:1
   |
 8 | const fn main(_handle: Handle, _st: SystemTable<Boot>) -> Status {

uefi-macros/tests/ui/fail/entry_bad_generic.stderr

@@ -1,4 +1,4 @@
-error: Entry method should not be generic
+error: Entry function should not be generic
  --> tests/ui/fail/entry_bad_generic.rs:8:9
   |
 8 | fn main<T>(_handle: Handle, _st: SystemTable<Boot>) -> Status {

uefi-macros/tests/ui/fail/entry_unnamed_image_arg.stderr

@@ -1,4 +1,4 @@
-error: Entry method's arguments must be named
+error: Entry function's arguments must be named
  --> tests/ui/fail/entry_unnamed_image_arg.rs:8:22
   |
 8 | fn unnamed_image_arg(_: Handle, _st: SystemTable<Boot>) -> Status {

uefi-macros/tests/ui/fail/entry_unnamed_table_arg.stderr

@@ -1,4 +1,4 @@
-error: Entry method's arguments must be named
+error: Entry function's arguments must be named
  --> tests/ui/fail/entry_unnamed_table_arg.rs:8:38
   |
 8 | fn unnamed_table_arg(_image: Handle, _: SystemTable<Boot>) -> Status {