first version works

satrs-macros/src/lib.rs

@@ -10,15 +10,12 @@ struct ResultExtGenerator {
 }
 
 #[proc_macro_attribute]
-pub fn result(
+pub fn resultcode(
     args: proc_macro::TokenStream,
     item: proc_macro::TokenStream,
 ) -> proc_macro::TokenStream {
     let args = parse_macro_input!(args as AttributeArgs);
     let input = parse_macro_input!(item as Item);
-
-    dbg!("Arguments: {}", &args);
-    dbg!("Input: {}", &input);
     let mut result_ext_generator = ResultExtGenerator::default();
     result_ext_generator.parse(args, input).into()
 }
@@ -53,10 +50,7 @@ impl ResultExtGenerator {
                     } else {
                         return Err(syn::Error::new(
                             path.span(),
-                            format!(
+                            format!("Unknown attribute argument name {}", path.ident),
-                                "Unknown attribute argument name {}",
-                                path.ident
-                            ),
                         ));
                     }
                 }
@@ -93,13 +87,13 @@ impl ResultExtGenerator {
         let gen_struct_name = format_ident!("{}_EXT", result_code_name);
         let info_str = self.info_str.to_owned().unwrap();
         let gen_struct = quote! {
-            const #gen_struct_name: satrs_core::resultcode::ResultU16Ext = satrs_core::resultcode::ResultU16Ext {
+            const #gen_struct_name: satrs_core::resultcode::ResultU16Ext =
-                name: #name_as_str,
+                satrs_core::resultcode::ResultU16Ext::const_new(
-                result: &#result_code_name,
+                    #name_as_str,
-                info: #info_str
+                    &#result_code_name,
-            };
+                    #info_str
+                );
         };
         Ok(gen_struct)
-        //Ok(TokenStream::new())
     }
 }

satrs-macros/src/main.rs

@@ -1,7 +1,7 @@
 use satrs_core::resultcode::ResultU16;
 use satrs_macros::*;
 
-#[result(info = "This is a test result where the first parameter is foo")]
+#[resultcode(info = "This is a test result where the first parameter is foo")]
 const _TEST_RESULT: ResultU16 = ResultU16::const_new(0, 1);
 
 fn main() {}

satrs-macros/tests/basic.rs

@@ -1,7 +1,8 @@
+//! Basic check which just verifies that everything compiles
 use satrs_core::resultcode::ResultU16;
 use satrs_macros::*;
 
-#[result(info = "This is a test result where the first parameter is foo")]
+#[resultcode(info = "This is a test result where the first parameter is foo")]
 const TEST_RESULT: ResultU16 = ResultU16::const_new(0, 1);
 
 fn main() {}

satrs-macros/tests/group_in_enum.rs

@@ -1,12 +0,0 @@
-use satrs_core::resultcode::ResultU16;
-use satrs_macros::*;
-
-pub enum GroupIds {
-    Group0 = 0,
-    Group1 = 1,
-}
-
-#[result(info = "This is a test result where the first parameter is foo")]
-const TEST_RESULT: ResultU16 = ResultU16::const_new(GroupIds::Group0 as u8, 1);
-
-fn main() {}

satrs-macros/tests/tests.rs

@@ -2,6 +2,6 @@
 fn tests() {
     let t = trybuild::TestCases::new();
     t.pass("tests/basic.rs");
-    //t.pass("tests/verify_gen_struct.rs");
+    t.pass("tests/verify_gen_struct.rs");
     //t.pass("tests/group_in_enum.rs");
 }

satrs-macros/tests/verify_gen_struct.rs

@@ -1,7 +1,17 @@
-use satrs_core::resultcode::ResultU16;
+use satrs_core::resultcode::{ResultU16, ResultU16Ext};
 use satrs_macros::*;
 
-#[result(info = "This is a test result where the first parameter is foo")]
+#[resultcode(info = "This is a test result where the first parameter is foo")]
 const TEST_RESULT: ResultU16 = ResultU16::const_new(0, 1);
+// Create named reference of auto-generated struct, which can be used by IDEs etc.
+const TEST_RESULT_EXT_REF: &ResultU16Ext = &TEST_RESULT_EXT;
 
-fn main() {}
+fn main() {
+    assert_eq!(TEST_RESULT_EXT.name, "TEST_RESULT");
+    assert_eq!(TEST_RESULT_EXT.result, &TEST_RESULT);
+    assert_eq!(
+        TEST_RESULT_EXT.info,
+        "This is a test result where the first parameter is foo"
+    );
+    assert_eq!(TEST_RESULT_EXT_REF.name, "TEST_RESULT");
+}