feat: top level messages implement From for all messages

midi2-dev · May 12, 2024 · dd905c3 · dd905c3
1 parent 7269e6b
commit dd905c3
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Showing 48 changed files with 190 additions and 73 deletions.
diff --git a/midi2_proc/src/generate_message.rs b/midi2_proc/src/generate_message.rs
@@ -102,6 +102,7 @@ struct GenerateMessageArgs {
     fixed_size: bool,
     min_size_ump: Option<usize>,
     min_size_bytes: Option<usize>,
+    via: Option<syn::Type>,
 }
 
 impl GenerateMessageArgs {
@@ -124,7 +125,9 @@ impl syn::parse::Parse for GenerateMessageArgs {
                 break;
             };
 
-            let ident = ident.to_string();
+            if ident == "Via" {
+                args.via = Some(parse_via_args(input));
+            }
             if ident == "FixedSize" {
                 args.fixed_size = true;
             }
@@ -163,6 +166,22 @@ fn parse_fixed_size(input: syn::parse::ParseStream) -> usize {
         .expect("Valid base 10 literal size")
 }
 
+fn parse_via_args(input: syn::parse::ParseStream) -> syn::Type {
+    let syn::ExprParen { expr, .. } = input
+        .parse()
+        .expect("Bracketed expression should follow size arg");
+
+    let syn::Expr::Path(path) = *expr
+    else {
+        panic!("Via argument should contain a path type");
+    };
+
+    syn::Type::Path(syn::TypePath{
+        qself: path.qself,
+        path: path.path,
+    })
+}
+
 fn imports() -> TokenStream {
     quote! {
         use crate::buffer::UnitPrivate as UnitPrivateGenMessage;
@@ -692,6 +711,26 @@ fn try_from_ump_impl(root_ident: &syn::Ident, properties: &Vec<Property>) -> Tok
     }
 }
 
+fn ump_message_via(root_ident: &syn::Ident, via_type: &syn::Type) -> TokenStream {
+    quote! {
+        impl<B: crate::buffer::Ump> core::convert::From<#root_ident<B>> for crate::message::UmpMessage<B> {
+            fn from(value: #root_ident<B>) -> Self {
+                <#via_type<B> as core::convert::From<#root_ident<B>>>::from(value).into()
+            }
+        }
+    }
+}
+
+fn bytes_message_via(root_ident: &syn::Ident, via_type: &syn::Type) -> TokenStream {
+    quote! {
+        impl<B: crate::buffer::Bytes> core::convert::From<#root_ident<B>> for crate::message::BytesMessage<B> {
+            fn from(value: #root_ident<B>) -> Self {
+                <#via_type<B> as core::convert::From<#root_ident<B>>>::from(value).into()
+            }
+        }
+    }
+}
+
 pub fn generate_message(attrs: TokenStream1, item: TokenStream1) -> TokenStream1 {
     let input = syn::parse_macro_input!(item as syn::ItemStruct);
     let args = syn::parse_macro_input!(attrs as GenerateMessageArgs);
@@ -753,6 +792,16 @@ pub fn generate_message(attrs: TokenStream1, item: TokenStream1) -> TokenStream1
             tokens.extend(try_from_ump_impl(root_ident, &properties));
         }
     }
+    if let Some(via_type) = args.via.as_ref() {
+        match args.representation() {
+            Representation::Ump => tokens.extend(ump_message_via(root_ident, &via_type)),
+            Representation::Bytes => tokens.extend(bytes_message_via(root_ident, &via_type)),
+            Representation::UmpOrBytes => {
+                tokens.extend(ump_message_via(root_ident, &via_type));
+                tokens.extend(bytes_message_via(root_ident, &via_type));
+            }
+        }
+    }
 
     tokens.into()
 }
diff --git a/src/channel_voice1/channel_pressure.rs b/src/channel_voice1/channel_pressure.rs
@@ -5,7 +5,7 @@ use crate::{
 
 pub(crate) const STATUS: u8 = 0b1101;
 
-#[midi2_proc::generate_message(FixedSize, MinSizeUmp(1), MinSizeBytes(2))]
+#[midi2_proc::generate_message(Via(crate::channel_voice1::ChannelVoice1), FixedSize, MinSizeUmp(1), MinSizeBytes(2))]
 struct ChannelPressure {
     #[property(common_properties::UmpMessageTypeProperty<UMP_MESSAGE_TYPE>)]
     ump_type: (),

diff --git a/src/channel_voice1/control_change.rs b/src/channel_voice1/control_change.rs
@@ -5,7 +5,12 @@ use crate::{
 
 pub(crate) const STATUS: u8 = 0b1011;
 
-#[midi2_proc::generate_message(FixedSize, MinSizeUmp(1), MinSizeBytes(3))]
+#[midi2_proc::generate_message(
+    Via(crate::channel_voice1::ChannelVoice1),
+    FixedSize,
+    MinSizeUmp(1),
+    MinSizeBytes(3)
+)]
 struct ControlChange {
     #[property(common_properties::UmpMessageTypeProperty<UMP_MESSAGE_TYPE>)]
     ump_type: (),

diff --git a/src/channel_voice1/key_pressure.rs b/src/channel_voice1/key_pressure.rs
@@ -5,7 +5,7 @@ use crate::{
 
 pub(crate) const STATUS: u8 = 0b1010;
 
-#[midi2_proc::generate_message(FixedSize, MinSizeUmp(1), MinSizeBytes(3))]
+#[midi2_proc::generate_message(Via(crate::channel_voice1::ChannelVoice1), FixedSize, MinSizeUmp(1), MinSizeBytes(3))]
 struct KeyPressure {
     #[property(common_properties::UmpMessageTypeProperty<UMP_MESSAGE_TYPE>)]
     ump_type: (),

diff --git a/src/channel_voice1/note_off.rs b/src/channel_voice1/note_off.rs
@@ -5,7 +5,7 @@ use crate::{
 
 pub(crate) const STATUS: u8 = 0b1000;
 
-#[midi2_proc::generate_message(FixedSize, MinSizeUmp(1), MinSizeBytes(3))]
+#[midi2_proc::generate_message(Via(crate::channel_voice1::ChannelVoice1), FixedSize, MinSizeUmp(1), MinSizeBytes(3))]
 struct NoteOff {
     #[property(common_properties::UmpMessageTypeProperty<UMP_MESSAGE_TYPE>)]
     ump_type: (),

diff --git a/src/channel_voice1/note_on.rs b/src/channel_voice1/note_on.rs
@@ -5,7 +5,7 @@ use crate::{
 
 pub(crate) const STATUS: u8 = 0b1001;
 
-#[midi2_proc::generate_message(FixedSize, MinSizeUmp(1), MinSizeBytes(3))]
+#[midi2_proc::generate_message(Via(crate::channel_voice1::ChannelVoice1), FixedSize, MinSizeUmp(1), MinSizeBytes(3))]
 struct NoteOn {
     #[property(common_properties::UmpMessageTypeProperty<UMP_MESSAGE_TYPE>)]
     ump_type: (),

diff --git a/src/channel_voice1/pitch_bend.rs b/src/channel_voice1/pitch_bend.rs
@@ -5,7 +5,7 @@ use crate::{
 
 pub(crate) const STATUS: u8 = 0b1110;
 
-#[midi2_proc::generate_message(FixedSize, MinSizeUmp(1), MinSizeBytes(3))]
+#[midi2_proc::generate_message(Via(crate::channel_voice1::ChannelVoice1), FixedSize, MinSizeUmp(1), MinSizeBytes(3))]
 struct PitchBend {
     #[property(common_properties::UmpMessageTypeProperty<UMP_MESSAGE_TYPE>)]
     ump_type: (),

diff --git a/src/channel_voice1/program_change.rs b/src/channel_voice1/program_change.rs
@@ -5,7 +5,7 @@ use crate::{
 
 pub(crate) const STATUS: u8 = 0b1100;
 
-#[midi2_proc::generate_message(FixedSize, MinSizeUmp(1), MinSizeBytes(2))]
+#[midi2_proc::generate_message(Via(crate::channel_voice1::ChannelVoice1), FixedSize, MinSizeUmp(1), MinSizeBytes(2))]
 struct ProgramChange {
     #[property(common_properties::UmpMessageTypeProperty<UMP_MESSAGE_TYPE>)]
     ump_type: (),

diff --git a/src/channel_voice2/assignable_controller.rs b/src/channel_voice2/assignable_controller.rs
@@ -6,7 +6,7 @@ use crate::{
 
 pub(crate) const STATUS: u8 = 0b0011;
 
-#[midi2_proc::generate_message(FixedSize, MinSizeUmp(2))]
+#[midi2_proc::generate_message(Via(crate::channel_voice2::ChannelVoice2), FixedSize, MinSizeUmp(2))]
 struct AssignableController {
     #[property(common_properties::UmpMessageTypeProperty<UMP_MESSAGE_TYPE>)]
     ump_type: (),

diff --git a/src/channel_voice2/assignable_per_note_controller.rs b/src/channel_voice2/assignable_per_note_controller.rs
@@ -6,7 +6,7 @@ use crate::{
 
 pub(crate) const STATUS: u8 = 0b0001;
 
-#[midi2_proc::generate_message(FixedSize, MinSizeUmp(2))]
+#[midi2_proc::generate_message(Via(crate::channel_voice2::ChannelVoice2), FixedSize, MinSizeUmp(2))]
 struct AssignablePerNoteController {
     #[property(common_properties::UmpMessageTypeProperty<UMP_MESSAGE_TYPE>)]
     ump_type: (),

diff --git a/src/channel_voice2/channel_pitch_bend.rs b/src/channel_voice2/channel_pitch_bend.rs
@@ -6,7 +6,7 @@ use crate::{
 
 pub(crate) const STATUS: u8 = 0b1110;
 
-#[midi2_proc::generate_message(FixedSize, MinSizeUmp(2))]
+#[midi2_proc::generate_message(Via(crate::channel_voice2::ChannelVoice2), FixedSize, MinSizeUmp(2))]
 struct ChannelPitchBend {
     #[property(common_properties::UmpMessageTypeProperty<UMP_MESSAGE_TYPE>)]
     ump_type: (),

diff --git a/src/channel_voice2/channel_pressure.rs b/src/channel_voice2/channel_pressure.rs
@@ -6,7 +6,7 @@ use crate::{
 
 pub(crate) const STATUS: u8 = 0b1101;
 
-#[midi2_proc::generate_message(FixedSize, MinSizeUmp(2))]
+#[midi2_proc::generate_message(Via(crate::channel_voice2::ChannelVoice2), FixedSize, MinSizeUmp(2))]
 struct ChannelPressure {
     #[property(common_properties::UmpMessageTypeProperty<UMP_MESSAGE_TYPE>)]
     ump_type: (),

diff --git a/src/channel_voice2/control_change.rs b/src/channel_voice2/control_change.rs
@@ -6,7 +6,7 @@ use crate::{
 
 pub(crate) const STATUS: u8 = 0b1011;
 
-#[midi2_proc::generate_message(FixedSize, MinSizeUmp(2))]
+#[midi2_proc::generate_message(Via(crate::channel_voice2::ChannelVoice2), FixedSize, MinSizeUmp(2))]
 struct ControlChange {
     #[property(common_properties::UmpMessageTypeProperty<UMP_MESSAGE_TYPE>)]
     ump_type: (),

diff --git a/src/channel_voice2/key_pressure.rs b/src/channel_voice2/key_pressure.rs
@@ -6,7 +6,7 @@ use crate::{
 
 pub(crate) const STATUS: u8 = 0b1010;
 
-#[midi2_proc::generate_message(FixedSize, MinSizeUmp(2))]
+#[midi2_proc::generate_message(Via(crate::channel_voice2::ChannelVoice2), FixedSize, MinSizeUmp(2))]
 struct KeyPressure {
     #[property(common_properties::UmpMessageTypeProperty<UMP_MESSAGE_TYPE>)]
     ump_type: (),

diff --git a/src/channel_voice2/note_off.rs b/src/channel_voice2/note_off.rs
@@ -9,7 +9,7 @@ use crate::{
 
 pub(crate) const STATUS: u8 = 0b1000;
 
-#[midi2_proc::generate_message(FixedSize, MinSizeUmp(2))]
+#[midi2_proc::generate_message(Via(crate::channel_voice2::ChannelVoice2), FixedSize, MinSizeUmp(2))]
 struct NoteOff {
     #[property(common_properties::UmpMessageTypeProperty<UMP_MESSAGE_TYPE>)]
     ump_type: (),

diff --git a/src/channel_voice2/note_on.rs b/src/channel_voice2/note_on.rs
@@ -29,7 +29,7 @@ pub(crate) const STATUS: u8 = 0b1001;
 ///
 /// assert_eq!(message.data(), &[0x4898_5E03, 0x6A14_E98A]);
 /// ```
-#[midi2_proc::generate_message(FixedSize, MinSizeUmp(2))]
+#[midi2_proc::generate_message(Via(crate::channel_voice2::ChannelVoice2), FixedSize, MinSizeUmp(2))]
 struct NoteOn {
     #[property(common_properties::UmpMessageTypeProperty<UMP_MESSAGE_TYPE>)]
     ump_type: (),

diff --git a/src/channel_voice2/per_note_management.rs b/src/channel_voice2/per_note_management.rs
@@ -6,7 +6,7 @@ use crate::{
 
 pub(crate) const STATUS: u8 = 0b1111;
 
-#[midi2_proc::generate_message(FixedSize, MinSizeUmp(1))]
+#[midi2_proc::generate_message(Via(crate::channel_voice2::ChannelVoice2), FixedSize, MinSizeUmp(1))]
 struct PerNoteManagement {
     #[property(common_properties::UmpMessageTypeProperty<UMP_MESSAGE_TYPE>)]
     ump_type: (),

diff --git a/src/channel_voice2/per_note_pitch_bend.rs b/src/channel_voice2/per_note_pitch_bend.rs
@@ -6,7 +6,7 @@ use crate::{
 
 pub(crate) const STATUS: u8 = 0b0110;
 
-#[midi2_proc::generate_message(FixedSize, MinSizeUmp(2))]
+#[midi2_proc::generate_message(Via(crate::channel_voice2::ChannelVoice2), FixedSize, MinSizeUmp(2))]
 struct PerNotePitchBend {
     #[property(common_properties::UmpMessageTypeProperty<UMP_MESSAGE_TYPE>)]
     ump_type: (),

diff --git a/src/channel_voice2/program_change.rs b/src/channel_voice2/program_change.rs
@@ -6,7 +6,7 @@ use crate::{
 
 pub(crate) const STATUS: u8 = 0b1100;
 
-#[midi2_proc::generate_message(FixedSize, MinSizeUmp(2))]
+#[midi2_proc::generate_message(Via(crate::channel_voice2::ChannelVoice2), FixedSize, MinSizeUmp(2))]
 struct ProgramChange {
     #[property(common_properties::UmpMessageTypeProperty<UMP_MESSAGE_TYPE>)]
     ump_type: (),

diff --git a/src/channel_voice2/registered_controller.rs b/src/channel_voice2/registered_controller.rs
@@ -6,7 +6,7 @@ use crate::{
 
 pub(crate) const STATUS: u8 = 0b0010;
 
-#[midi2_proc::generate_message(FixedSize, MinSizeUmp(2))]
+#[midi2_proc::generate_message(Via(crate::channel_voice2::ChannelVoice2), FixedSize, MinSizeUmp(2))]
 struct RegisteredController {
     #[property(common_properties::UmpMessageTypeProperty<UMP_MESSAGE_TYPE>)]
     ump_type: (),

diff --git a/src/channel_voice2/registered_per_note_controller.rs b/src/channel_voice2/registered_per_note_controller.rs
@@ -6,7 +6,7 @@ use crate::{
 
 pub(crate) const STATUS: u8 = 0b0000;
 
-#[midi2_proc::generate_message(FixedSize, MinSizeUmp(2))]
+#[midi2_proc::generate_message(Via(crate::channel_voice2::ChannelVoice2), FixedSize, MinSizeUmp(2))]
 struct RegisteredPerNoteController {
     #[property(common_properties::UmpMessageTypeProperty<UMP_MESSAGE_TYPE>)]
     ump_type: (),

diff --git a/src/channel_voice2/relative_assignable_controller.rs b/src/channel_voice2/relative_assignable_controller.rs
@@ -6,7 +6,7 @@ use crate::{
 
 pub(crate) const STATUS: u8 = 0b0101;
 
-#[midi2_proc::generate_message(FixedSize, MinSizeUmp(2))]
+#[midi2_proc::generate_message(Via(crate::channel_voice2::ChannelVoice2), FixedSize, MinSizeUmp(2))]
 struct RelativeAssignableController {
     #[property(common_properties::UmpMessageTypeProperty<UMP_MESSAGE_TYPE>)]
     ump_type: (),

diff --git a/src/channel_voice2/relative_registered_controller.rs b/src/channel_voice2/relative_registered_controller.rs
@@ -6,7 +6,7 @@ use crate::{
 
 pub(crate) const STATUS: u8 = 0b0100;
 
-#[midi2_proc::generate_message(FixedSize, MinSizeUmp(2))]
+#[midi2_proc::generate_message(Via(crate::channel_voice2::ChannelVoice2), FixedSize, MinSizeUmp(2))]
 struct RelativeRegisteredController {
     #[property(common_properties::UmpMessageTypeProperty<UMP_MESSAGE_TYPE>)]
     ump_type: (),