rsjsonnet-front 0.5.0

A Jsonnet front end (source loading and error printing) library
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

use rsjsonnet_lang::program::EvalStackTraceItem;
use rsjsonnet_lang::span::SpanManager;

use super::TextPartKind;
use super::message::{LabelKind, Message, MessageKind, MessageLabel};
use crate::src_manager::SrcManager;

#[must_use]
pub(crate) fn render(
    trace: &[EvalStackTraceItem],
    span_mgr: &SpanManager,
    src_mgr: &SrcManager,
) -> Vec<(String, TextPartKind)> {
    let mut out = Vec::new();

    for trace_item in trace.iter().rev() {
        match *trace_item {
            EvalStackTraceItem::Expr { span } => {
                Message {
                    kind: MessageKind::Note,
                    message: "while evaluating this expression".into(),
                    labels: vec![MessageLabel {
                        span,
                        kind: LabelKind::Note,
                        text: String::new(),
                    }],
                }
                .render(span_mgr, src_mgr, &mut out);
            }
            EvalStackTraceItem::Call { span, ref name } => {
                Message {
                    kind: MessageKind::Note,
                    message: if let Some(name) = name {
                        format!("while evaluating call to `{name}`")
                    } else {
                        "while evaluating call to function".into()
                    },
                    labels: span
                        .map(|span| MessageLabel {
                            span,
                            kind: LabelKind::Note,
                            text: String::new(),
                        })
                        .into_iter()
                        .collect(),
                }
                .render(span_mgr, src_mgr, &mut out);
            }
            EvalStackTraceItem::Variable { span, ref name } => {
                Message {
                    kind: MessageKind::Note,
                    message: format!("while evaluating variable `{name}`"),
                    labels: vec![MessageLabel {
                        span,
                        kind: LabelKind::Note,
                        text: String::new(),
                    }],
                }
                .render(span_mgr, src_mgr, &mut out);
            }
            EvalStackTraceItem::ArrayItem { span, index } => {
                Message {
                    kind: MessageKind::Note,
                    message: format!("while evaluating array item {index}"),
                    labels: span
                        .map(|span| MessageLabel {
                            span,
                            kind: LabelKind::Note,
                            text: String::new(),
                        })
                        .into_iter()
                        .collect(),
                }
                .render(span_mgr, src_mgr, &mut out);
            }
            EvalStackTraceItem::ObjectField { span, ref name } => {
                Message {
                    kind: MessageKind::Note,
                    message: format!("while evaluating object field {name:?}"),
                    labels: span
                        .map(|span| MessageLabel {
                            span,
                            kind: LabelKind::Note,
                            text: String::new(),
                        })
                        .into_iter()
                        .collect(),
                }
                .render(span_mgr, src_mgr, &mut out);
            }
            EvalStackTraceItem::CompareArrayItem { index } => {
                Message {
                    kind: MessageKind::Note,
                    message: format!("while comparing array item {index}"),
                    labels: vec![],
                }
                .render(span_mgr, src_mgr, &mut out);
            }
            EvalStackTraceItem::CompareObjectField { ref name } => {
                Message {
                    kind: MessageKind::Note,
                    message: format!("while comparing object field {name:?}"),
                    labels: vec![],
                }
                .render(span_mgr, src_mgr, &mut out);
            }
            EvalStackTraceItem::ManifestArrayItem { index } => {
                Message {
                    kind: MessageKind::Note,
                    message: format!("while manifesting array item {index}"),
                    labels: vec![],
                }
                .render(span_mgr, src_mgr, &mut out);
            }
            EvalStackTraceItem::ManifestObjectField { ref name } => {
                Message {
                    kind: MessageKind::Note,
                    message: format!("while manifesting object field {name:?}"),
                    labels: vec![],
                }
                .render(span_mgr, src_mgr, &mut out);
            }
            EvalStackTraceItem::Import { span } => {
                Message {
                    kind: MessageKind::Note,
                    message: "while evaluating import".into(),
                    labels: vec![MessageLabel {
                        span,
                        kind: LabelKind::Note,
                        text: String::new(),
                    }],
                }
                .render(span_mgr, src_mgr, &mut out);
            }
        }
    }

    out
}