blob: 8aee003246c57ba33414e7c2439a7682b056ff2a (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
use proc_macro::TokenStream;
use quote::quote;
use syn::{DeriveInput, Ident, parse_macro_input};
pub fn derive_groupped(input: TokenStream) -> TokenStream {
// Parse the input struct/enum
let input = parse_macro_input!(input as DeriveInput);
let struct_name = input.ident;
let group_ident: proc_macro2::TokenStream = crate::default_program_path();
let any_output_convert_impls =
proc_macro2::TokenStream::from(build_any_output_convert_impls(&struct_name, &group_ident));
// Generate the Groupped trait implementation
let expanded = quote! {
::mingling::macros::register_type!(#struct_name);
impl ::mingling::Groupped<#group_ident> for #struct_name {
fn member_id() -> #group_ident {
#group_ident::#struct_name
}
}
#any_output_convert_impls
};
expanded.into()
}
#[cfg(feature = "structural_renderer")]
pub fn derive_groupped_serialize(input: TokenStream) -> TokenStream {
// Parse the input struct/enum
let input_parsed = parse_macro_input!(input as DeriveInput);
let struct_name = input_parsed.ident.clone();
let group_ident: proc_macro2::TokenStream = crate::default_program_path();
let any_output_convert_impls =
proc_macro2::TokenStream::from(build_any_output_convert_impls(&struct_name, &group_ident));
// Generate both Serialize and Groupped implementations
let expanded = quote! {
#[derive(serde::Serialize)]
#input_parsed
::mingling::macros::register_type!(#struct_name);
impl ::mingling::Groupped<#group_ident> for #struct_name {
fn member_id() -> #group_ident {
#group_ident::#struct_name
}
}
#any_output_convert_impls
};
expanded.into()
}
fn build_any_output_convert_impls(
struct_name: &Ident,
group_ident: &proc_macro2::TokenStream,
) -> TokenStream {
quote! {
impl ::std::convert::Into<::mingling::AnyOutput<#group_ident>> for #struct_name {
fn into(self) -> ::mingling::AnyOutput<#group_ident> {
::mingling::AnyOutput::new(self)
}
}
impl ::std::convert::Into<::mingling::ChainProcess<#group_ident>> for #struct_name {
fn into(self) -> ::mingling::ChainProcess<#group_ident> {
::mingling::AnyOutput::new(self).route_chain()
}
}
}
.into()
}
|
