gmt_dos-actors_dsl 2.1.1

GMT DOS Actors Domain Specific Language
Documentation 
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
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165

use std::fmt::Display;

use proc_macro2::Span;
use quote::quote;
use syn::{
    braced,
    parse::{Parse, ParseStream},
    token::Brace,
    Ident,
};

use crate::{client::{ClientKind, SharedClient, System}, Expanded, TryExpand};

mod output;
pub use output::{MaybeOutput, Output};

/// A pair of a client and one ouput
#[derive(Debug, Clone)]
pub struct ClientOutputPair {
    pub client: SharedClient,
    pub output: Option<Output>,
}

impl Display for ClientOutputPair {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        if let Some(output) = &self.output {
            if let Some(rate_transition) = &output.rate_transition {
                write!(
                    f,
                    "{}{} -> {}",
                    self.client.actor(),
                    output,
                    rate_transition.actor()
                )
            } else {
                write!(f, "{}{}", self.client.actor(), output)
            }
        } else {
            write!(f, "{}", self.client.actor())
        }
    }
}

impl From<SharedClient> for ClientOutputPair {
    fn from(client: SharedClient) -> Self {
        Self {
            client,
            output: None,
        }
    }
}

impl Parse for ClientOutputPair {
    fn parse(input: ParseStream) -> syn::Result<Self> {
        let client = if input.peek(Brace) {
            let content;
            let _ = braced!(content in input);
            let sys: System = content.parse()?;
            SharedClient::subsystem(sys)
        } else {
            let name: Ident = input.parse()?;
            SharedClient::new(name)
        };
        Ok(Self {
            client,
            output: input.parse::<MaybeOutput>()?.into_inner(),
        })
    }
}

impl TryExpand for ClientOutputPair {
    fn try_expand(&self) -> syn::Result<Expanded> {
        if let Some(output) = self.output.as_ref() {
            let actor = self.client.actor();
            let Output {
                options,
                rate_transition,
                ..
            } = output;
            let name = output.expand_name();
            Some(match (options, rate_transition) {
                (None, None) => {
                    // #actor
                    // .add_output()
                    // .build::<#name>()
                    if let ClientKind::SubSystem(System{  io: Some(io),.. }) = &self.client.borrow().kind {
                        quote! {
                            let actor_output = ::gmt_dos_actors::framework::network::AddActorOutput::<#io,1,1>::add_output(&mut # actor);
                            let output = ::gmt_dos_actors::framework::network::AddOuput::build::<#name>(actor_output);
                        }
                    } else {
                        quote!{
                            let actor_output = ::gmt_dos_actors::framework::network::AddActorOutput::add_output(&mut # actor);
                            let output = ::gmt_dos_actors::framework::network::AddOuput::build::<#name>(actor_output);
                        }
                    }
                },
                (None, Some(client)) => {
                    let sampler = client.actor();
                    quote! {
                        // #actor
                        // .add_output()
                        // .build::<#name>()
                        // .into_input(&mut #sampler)?;
                        // #sampler
                        // .add_output()
                        // .build::<#name>()
                        ::gmt_dos_actors::framework::network::TryIntoInputs::into_input(
                            ::gmt_dos_actors::framework::network::AddOuput::build::<#name>(
                                ::gmt_dos_actors::framework::network::AddActorOutput::add_output(&mut #actor)),
                            &mut #sampler
                        )?;
                        let actor_output = ::gmt_dos_actors::framework::network::AddActorOutput::add_output(&mut #sampler);
                        let output = ::gmt_dos_actors::framework::network::AddOuput::build::<#name>(actor_output);

                    }
                }
                (Some(options), None) => {
                    // #actor
                    // .add_output()
                    // #(.#options())*
                    // .build::<#name>()
                    if let ClientKind::SubSystem(System{  io: Some(io),.. }) = &self.client.borrow().kind {
                        quote! {
                            let actor_output = ::gmt_dos_actors::framework::network::AddActorOutput::<#io,1,1>::add_output(&mut # actor);
                            #(let actor_output = ::gmt_dos_actors::framework::network::AddOuput::#options(actor_output);)*
                            let output = ::gmt_dos_actors::framework::network::AddOuput::build::<#name>(actor_output);
                        }
                    } else {
                        quote!{
                            let actor_output = ::gmt_dos_actors::framework::network::AddActorOutput::add_output(&mut # actor);
                            #(let actor_output = ::gmt_dos_actors::framework::network::AddOuput::#options(actor_output);)*
                            let output = ::gmt_dos_actors::framework::network::AddOuput::build::<#name>(actor_output);
                        }
                    }
                },
                (Some(options), Some(client)) => {
                    let sampler = client.actor();
                    quote! {
                        // #actor
                        // .add_output()
                        // #(.#options())*
                        // .build::<#name>()
                        // .into_input(&mut #sampler)?;
                        // #sampler
                        // .add_output()
                        // .build::<#name>()
                        let actor_output = ::gmt_dos_actors::framework::network::AddActorOutput::add_output(&mut # actor);
                        #(let actor_output = ::gmt_dos_actors::framework::network::AddOuput::#options(actor_output);)*
                        let output = ::gmt_dos_actors::framework::network::AddOuput::build::<#name>(actor_output); 
                        ::gmt_dos_actors::framework::network::TryIntoInputs::into_input(
                            output,
                            &mut #sampler
                        )?;
                        let actor_output = ::gmt_dos_actors::framework::network::AddActorOutput::add_output(&mut #sampler);
                        let output = ::gmt_dos_actors::framework::network::AddOuput::build::<#name>(actor_output);                
                  }
                }
            })
        } else {
            None
        }
        .ok_or(syn::Error::new(Span::call_site(), "no output to quote"))
    }
}