daedalus_macros/
lib.rs

1#![allow(
2    clippy::collapsible_if,
3    clippy::redundant_pattern_matching,
4    clippy::doc_overindented_list_items
5)]
6
7mod config_derive;
8mod gpu_state_derive;
9mod helpers;
10mod node_fn_impl;
11mod node_handler_impl;
12mod shader_bindings;
13
14/// Define a node handler without generating registry metadata.
15///
16/// ```ignore
17/// use daedalus_macros::node_handler;
18///
19/// #[node_handler]
20/// fn handler(
21///     _node: &daedalus_runtime::RuntimeNode,
22///     _ctx: &daedalus_runtime::state::ExecutionContext,
23///     _io: &mut daedalus_runtime::io::NodeIo,
24/// ) -> Result<(), daedalus_runtime::executor::NodeError> {
25///     Ok(())
26/// }
27/// ```
28#[proc_macro_attribute]
29pub fn node_handler(
30    args: proc_macro::TokenStream,
31    item: proc_macro::TokenStream,
32) -> proc_macro::TokenStream {
33    node_handler_impl::node_handler(args, item)
34}
35
36/// Define a node with descriptor + handler generation.
37///
38/// ```ignore
39/// use daedalus_macros::node;
40/// use daedalus_runtime::NodeError;
41///
42/// #[node(id = "demo:noop", inputs("in"), outputs("out"))]
43/// fn noop(value: i64) -> Result<i64, NodeError> {
44///     Ok(value)
45/// }
46/// ```
47#[proc_macro_attribute]
48pub fn node(
49    args: proc_macro::TokenStream,
50    item: proc_macro::TokenStream,
51) -> proc_macro::TokenStream {
52    node_fn_impl::node(args, item)
53}
54
55/// Derive `NodeConfig` for structured config inputs.
56///
57/// ```ignore
58/// use daedalus_macros::NodeConfig;
59///
60/// #[derive(NodeConfig)]
61/// struct BlurConfig {
62///     #[port(default = 3, min = 1, max = 31)]
63///     radius: i32,
64/// }
65/// ```
66#[proc_macro_derive(NodeConfig, attributes(port, validate))]
67pub fn node_config(item: proc_macro::TokenStream) -> proc_macro::TokenStream {
68    config_derive::node_config(item)
69}
70
71/// Derive WGSL bindings for a GPU shader.
72///
73/// ```ignore
74/// use daedalus_macros::GpuBindings;
75///
76/// #[derive(GpuBindings)]
77/// #[gpu(spec(src = "shader.wgsl", entry = "main"))]
78/// struct Params {
79///     #[gpu(binding = 0)]
80///     data: Vec<u32>,
81/// }
82/// ```
83#[proc_macro_derive(GpuBindings, attributes(gpu))]
84pub fn gpu_bindings(item: proc_macro::TokenStream) -> proc_macro::TokenStream {
85    shader_bindings::gpu_bindings(item)
86}
87
88/// Derive GPU state buffer metadata for a POD type.
89///
90/// ```ignore
91/// use daedalus_macros::GpuStateful;
92///
93/// #[derive(GpuStateful)]
94/// struct State {
95///     counter: u32,
96/// }
97/// ```
98#[proc_macro_derive(GpuStateful, attributes(gpu_state))]
99pub fn gpu_stateful(item: proc_macro::TokenStream) -> proc_macro::TokenStream {
100    gpu_state_derive::gpu_stateful(item)
101}
daedalus_macros/lib.rs

daedalus_macros/
lib.rs
