floxide_macros/
lib.rs

1use proc_macro::TokenStream;
2
3mod merge;
4mod node;
5mod workflow;
6
7/// Define a Workflow with fields and edges in one macro invocation.
8///
9/// Syntax:
10/// workflow! {
11///   pub struct Name { field1: Type1, field2: Type2, }
12///   context = MyCtx;
13///   start = field1;
14///   edges {
15///     field1 => [field2];
16///     field2 => [];
17///   };
18/// }
19#[proc_macro]
20pub fn workflow(item: TokenStream) -> TokenStream {
21    workflow::workflow(item)
22}
23
24/// Define a Node with fields and a process body in one macro invocation.
25///
26/// Syntax:
27/// node! {
28///   pub struct Name { field1: Type1, field2: Type2, }
29///   context = MyCtx;
30///   input   = InputType;
31///   output  = OutputType;
32///   |ctx, input_val| { /* can access self, returns Result<Transition<OutputType>, FloxideError> */ }
33/// }
34#[proc_macro]
35pub fn node(item: TokenStream) -> TokenStream {
36    node::node(item)
37}
38/// Derive implementation for the `Merge` trait.
39///
40/// Automatically implements `Merge` by merging each field of a struct using its own `merge` method.
41#[proc_macro_derive(Merge)]
42pub fn derive_merge(item: TokenStream) -> TokenStream {
43    merge::derive(item)
44}
floxide_macros/lib.rs

floxide_macros/
lib.rs
