From dd119ccdb8edf84fcdc85c9d4abcfe2994dbf75b Mon Sep 17 00:00:00 2001
From: Wataru Otsubo <wataru.otsubo@cern.ch>
Date: Thu, 20 Feb 2025 13:01:02 +0000
Subject: [PATCH] Multiple backends

---
 src/generator.rs                           | 23 ++++++++++++----------
 src/generator/codegen_registerspec_impl.rs | 12 +++++------
 2 files changed, 19 insertions(+), 16 deletions(-)

diff --git a/src/generator.rs b/src/generator.rs
index 4ab08eb..9c8385d 100644
--- a/src/generator.rs
+++ b/src/generator.rs
@@ -287,7 +287,7 @@ impl CodeGen for Block {
                     ModuleBlockElements::Block(_) => {
                         let child_upper_camel_name = util::parse_to_ident(&child_name.to_upper_camel_case())?;
                         Ok(quote! {
-                            pub fn #snake_case_name(&self) -> #snake_case_name::#child_upper_camel_name {
+                            pub fn #snake_case_name(&self) -> #snake_case_name::#child_upper_camel_name<T> {
                                 #snake_case_name::#child_upper_camel_name::new(self.mem_ptr)
                             }
                         })
@@ -297,7 +297,7 @@ impl CodeGen for Block {
                         match &register.multiple {
                             None => {
                                 Ok(quote! {
-                                    pub fn #snake_case_name(&self) -> #snake_case_name::#child_upper_camel_name {
+                                    pub fn #snake_case_name(&self) -> #snake_case_name::#child_upper_camel_name<T> {
                                         #snake_case_name::#child_upper_camel_name::new(self.mem_ptr)
                                     }
                                 })
@@ -311,7 +311,7 @@ impl CodeGen for Block {
                                     }
                                 });
                                 Ok(quote! {
-                                    pub fn #snake_case_name(&self) -> [#snake_case_name::#child_upper_camel_name; #num_multiple] {
+                                    pub fn #snake_case_name(&self) -> [#snake_case_name::#child_upper_camel_name<T>; #num_multiple] {
                                         [ #(#elements),* ]
                                     }
                                 })
@@ -324,9 +324,9 @@ impl CodeGen for Block {
             }).collect::<Result<Vec<proc_macro2::TokenStream>, CodeGenError>>()?;
 
         let parent_struct = if parent_name == util::parse_to_ident("RegisterInterface").unwrap() {
-            quote! {#parent_name}
+            quote! {#parent_name<T>}
         } else {
-            quote! {#parent_name<'a>}
+            quote! {#parent_name<'a, T>}
         };
 
         let child_mods = self
@@ -346,18 +346,20 @@ impl CodeGen for Block {
 
             use std::marker::PhantomData;
 
+            use crate::axic2c1::spec::AxiC2c1Spec;
+
             use super::#parent_name;
 
             #(#child_mods)*
 
             const OFFSET: usize = #addr;
 
-            pub struct #upper_camel_name<'a> {
+            pub struct #upper_camel_name<'a, T: AxiC2c1Spec> {
                 mem_ptr: *mut u32,
                 _marker: PhantomData<&'a mut #parent_struct>,
             }
 
-            impl #upper_camel_name<'_> {
+            impl<T: AxiC2c1Spec> #upper_camel_name<'_, T> {
                 pub(crate) fn new(parent_ptr: *mut u32) -> Self {
                     #upper_camel_name {
                         mem_ptr: unsafe { parent_ptr.add(OFFSET) },
@@ -441,16 +443,17 @@ impl CodeGen for Register {
 
             use std::marker::PhantomData;
 
+            use crate::axic2c1::spec::AxiC2c1Spec;
             use crate::register_spec::{DataConversionError, Modifiable, Readable, RegisterSpec, Writable};
 
             const OFFSET: usize = #addr;
 
-            pub struct #reg_name<'a> {
+            pub struct #reg_name<'a, T: AxiC2c1Spec> {
                 mem_ptr: *mut u32,
-                _marker: PhantomData<&'a mut super::#parent_name<'a>>,
+                _marker: PhantomData<&'a mut super::#parent_name<'a, T>>,
             }
 
-            impl #reg_name<'_> {
+            impl<T: AxiC2c1Spec> #reg_name<'_, T> {
                 pub(crate) fn new(parent_ptr: *mut u32) -> Self {
                     #reg_name {
                         mem_ptr: unsafe { parent_ptr.add(OFFSET) },
diff --git a/src/generator/codegen_registerspec_impl.rs b/src/generator/codegen_registerspec_impl.rs
index a1b0edc..32604a0 100644
--- a/src/generator/codegen_registerspec_impl.rs
+++ b/src/generator/codegen_registerspec_impl.rs
@@ -11,19 +11,19 @@ pub(super) fn gen_registerspec_impl(
 ) -> TokenStream {
     let impl_rw = match modf {
         RwSpecifier::R => quote! {
-            impl Readable for #reg_name<'_> {}
+            impl<T: AxiC2c1Spec> Readable for #reg_name<'_, T> {}
         },
         RwSpecifier::W => quote! {
-            impl Writable for #reg_name<'_> {}
+            impl<T: AxiC2c1Spec> Writable for #reg_name<'_, T> {}
         },
         RwSpecifier::RW => quote! {
-            impl Readable for #reg_name<'_> {}
-            impl Writable for #reg_name<'_> {}
-            impl Modifiable for #reg_name<'_> {}
+            impl<T: AxiC2c1Spec> Readable for #reg_name<'_, T> {}
+            impl<T: AxiC2c1Spec> Writable for #reg_name<'_, T> {}
+            impl<T: AxiC2c1Spec> Modifiable for #reg_name<'_, T> {}
         },
     };
     quote! {
-        impl RegisterSpec for #reg_name<'_> {
+        impl<T: AxiC2c1Spec> RegisterSpec for #reg_name<'_, T> {
             type Ux = #type_ux;
             type T = #type_t;