itf 0.4.0

Library for consuming Apalache ITF traces
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

//! Defines an ITF trace.

use std::collections::BTreeMap;

use serde::de::DeserializeOwned;
use serde::{Deserialize, Serialize};

use crate::error::Error;
use crate::state::State;
use crate::value::Value;

/// Metadata for an ITF [`Trace`].
#[derive(Default, Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
pub struct Meta {
    #[serde(default)]
    pub format: Option<String>,

    #[serde(rename = "format-description")]
    pub format_description: Option<String>,

    #[serde(default)]
    pub source: Option<String>,

    #[serde(default)]
    pub description: Option<String>,

    #[serde(default, rename = "varTypes")]
    pub var_types: BTreeMap<String, String>,

    #[serde(default)]
    pub timestamp: Option<u64>,

    #[serde(flatten)]
    pub other: BTreeMap<String, String>,
}

/// An ITF trace over states of type `S`.
#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
pub struct Trace<S> {
    #[serde(rename = "#meta")]
    pub meta: Meta,

    #[serde(default)]
    pub params: Vec<String>,

    #[serde(default)]
    pub vars: Vec<String>,

    #[serde(default, rename = "loop")]
    pub loop_index: Option<u64>,

    pub states: Vec<State<S>>,
}

impl Trace<serde_json::Value> {
    pub fn decode<S>(self) -> Result<Trace<S>, Error>
    where
        S: DeserializeOwned,
    {
        let states = self
            .states
            .into_iter()
            .map(|state| state.decode())
            .collect::<Result<Vec<_>, _>>()?;

        Ok(Trace {
            meta: self.meta,
            params: self.params,
            vars: self.vars,
            loop_index: self.loop_index,
            states,
        })
    }
}

impl Trace<Value> {
    pub fn decode<S>(self) -> Result<Trace<S>, Error>
    where
        S: DeserializeOwned,
    {
        let states = self
            .states
            .into_iter()
            .map(|state| state.decode())
            .collect::<Result<Vec<_>, _>>()?;

        Ok(Trace {
            meta: self.meta,
            params: self.params,
            vars: self.vars,
            loop_index: self.loop_index,
            states,
        })
    }
}

// use serde_json::value::RawValue;
//
// impl Trace<Box<RawValue>> {
//     pub fn decode<S>(self) -> Result<Trace<S>, Error>
//     where
//         S: DeserializeOwned,
//     {
//         let states = self
//             .states
//             .into_iter()
//             .map(|state| state.decode())
//             .collect::<Result<Vec<_>, _>>()?;
//
//         Ok(Trace {
//             meta: self.meta,
//             params: self.params,
//             vars: self.vars,
//             loop_index: self.loop_index,
//             states,
//         })
//     }
// }
//
// impl<'a> Trace<&'a RawValue> {
//     pub fn decode<S>(self) -> Result<Trace<S>, Error>
//     where
//         S: DeserializeOwned,
//     {
//         let states = self
//             .states
//             .into_iter()
//             .map(|state| state.decode())
//             .collect::<Result<Vec<_>, _>>()?;
//
//         Ok(Trace {
//             meta: self.meta,
//             params: self.params,
//             vars: self.vars,
//             loop_index: self.loop_index,
//             states,
//         })
//     }
// }