sachy.dev
Repo of no-std crates for my personal embedded projects
refactor: Improve error messages
+19
-7
sachy-config/src/lib.rs
+19
-7
sachy-config/src/lib.rs
···
1
use core::{error::Error, fmt::Debug, str::FromStr};
2
use std::io::Write;
3
4
-
use miette::{Context, IntoDiagnostic, Result, bail, miette};
5
use toml_edit::Value;
6
7
fn validate_kind_to_string<T: Debug + FromStr + Send + Sync>(
···
15
value
16
.as_str()
17
.map_or_else(
18
-
|| Err(miette!("{} is not a value", value)),
19
|value_str| {
20
value_str.parse().into_diagnostic().wrap_err_with(|| {
21
-
format!("Parsing failure of constant \"{}\" as {}", name, kind)
22
})
23
},
24
)
···
34
}
35
36
pub fn parse_config(config: &str) -> Result<String> {
37
-
let config_doc = config.parse::<toml_edit::DocumentMut>().into_diagnostic()?;
38
let mut output = String::new();
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40
config_doc
···
45
.try_for_each(|(name, item)| -> miette::Result<()> {
46
let value = item.as_str().ok_or_else(|| {
47
miette!(
48
-
"{} is not a string value. Actual type: {}",
49
name,
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item.type_name(),
51
)
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})?;
53
let static_output = format!("pub static {}: &str = \"{}\";\n", name, value);
···
64
let kind = &constant_value["type"];
65
let kind = kind.as_str().ok_or_else(|| {
66
miette!(
67
-
"{} is not a string value. Actual type: {}",
68
name,
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kind.type_name(),
70
)
71
})?;
72
let value = &constant_value["value"];
73
let value = value.as_value().ok_or_else(|| {
74
miette!(
75
-
"{} is not a value. Actual type: {}",
76
name,
77
value.type_name(),
78
)
79
})?;
80
81
let line = match kind {
···
1
use core::{error::Error, fmt::Debug, str::FromStr};
2
use std::io::Write;
3
4
+
use miette::{Context, IntoDiagnostic, LabeledSpan, Result, bail, miette};
5
use toml_edit::Value;
6
7
fn validate_kind_to_string<T: Debug + FromStr + Send + Sync>(
···
15
value
16
.as_str()
17
.map_or_else(
18
+
|| Err(miette!("{} is not a value @ {:?}", value, value.span())),
19
|value_str| {
20
value_str.parse().into_diagnostic().wrap_err_with(|| {
21
+
miette!(
22
+
labels = vec![LabeledSpan::at(value.span().unwrap(), "here")],
23
+
"Parsing failure of constant \"{}\" as {}",
24
+
name,
25
+
kind,
26
+
)
27
})
28
},
29
)
···
39
}
40
41
pub fn parse_config(config: &str) -> Result<String> {
42
+
let config_doc = config
43
+
.parse::<toml_edit::Document<String>>()
44
+
.into_diagnostic()?;
45
let mut output = String::new();
46
47
config_doc
···
52
.try_for_each(|(name, item)| -> miette::Result<()> {
53
let value = item.as_str().ok_or_else(|| {
54
miette!(
55
+
"{} is not a string value. Actual type: {} @ {:?}",
56
name,
57
item.type_name(),
58
+
item.span()
59
)
60
})?;
61
let static_output = format!("pub static {}: &str = \"{}\";\n", name, value);
···
72
let kind = &constant_value["type"];
73
let kind = kind.as_str().ok_or_else(|| {
74
miette!(
75
+
"{} is not a string value. Actual type: {} @ {:?}",
76
name,
77
kind.type_name(),
78
+
constant_value.span()
79
)
80
})?;
81
let value = &constant_value["value"];
82
let value = value.as_value().ok_or_else(|| {
83
miette!(
84
+
labels = vec![LabeledSpan::at(value.span().unwrap(), "here")],
85
+
"{} is not a value. Actual type: {} @ {:?}",
86
name,
87
value.type_name(),
88
+
value.span(),
89
)
90
+
.with_source_code(config_doc.to_string())
91
})?;
92
93
let line = match kind {