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
166
167
#![recursion_limit = "1024"]
#[macro_use]
extern crate render_tree;
pub extern crate termcolor;
#[cfg(test)]
extern crate unindent;
#[cfg(test)]
extern crate pretty_env_logger;
#[cfg(test)]
extern crate term;
#[cfg(test)]
extern crate regex;
use std::cmp::Ordering;
use std::fmt;
use std::str::FromStr;
use termcolor::ColorChoice;
use serde_derive::{Serialize, Deserialize};
mod components;
mod diagnostic;
mod emitter;
mod models;
mod simple;
mod span;
pub use self::diagnostic::{Diagnostic, Label, LabelStyle};
pub use self::emitter::{emit, format, Config, DefaultConfig};
pub use self::render_tree::prelude::*;
pub use self::render_tree::stylesheet::{Style, Stylesheet};
pub use self::simple::{SimpleFile, SimpleReportingFiles, SimpleSpan};
pub use self::span::{FileName, Location, ReportingFiles, ReportingSpan};
pub use render_tree::macros::*;
#[derive(Copy, Clone, PartialEq, Hash, Debug, Serialize, Deserialize)]
pub enum Severity {
Bug,
Error,
Warning,
Note,
Help,
}
impl Severity {
fn to_cmp_int(self) -> u8 {
match self {
Severity::Bug => 5,
Severity::Error => 4,
Severity::Warning => 3,
Severity::Note => 2,
Severity::Help => 1,
}
}
}
impl PartialOrd for Severity {
fn partial_cmp(&self, other: &Severity) -> Option<Ordering> {
u8::partial_cmp(&self.to_cmp_int(), &other.to_cmp_int())
}
}
impl fmt::Display for Severity {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
self.to_str().fmt(f)
}
}
impl Severity {
pub fn to_str(self) -> &'static str {
match self {
Severity::Bug => "error: internal compiler error",
Severity::Error => "error",
Severity::Warning => "warning",
Severity::Note => "note",
Severity::Help => "help",
}
}
}
#[derive(Copy, Clone, Debug, PartialEq, Eq)]
pub struct ColorArg(pub ColorChoice);
impl ColorArg {
pub const VARIANTS: &'static [&'static str] = &["auto", "always", "ansi", "never"];
}
impl FromStr for ColorArg {
type Err = &'static str;
fn from_str(src: &str) -> Result<ColorArg, &'static str> {
match src {
_ if src.eq_ignore_ascii_case("auto") => Ok(ColorArg(ColorChoice::Auto)),
_ if src.eq_ignore_ascii_case("always") => Ok(ColorArg(ColorChoice::Always)),
_ if src.eq_ignore_ascii_case("ansi") => Ok(ColorArg(ColorChoice::AlwaysAnsi)),
_ if src.eq_ignore_ascii_case("never") => Ok(ColorArg(ColorChoice::Never)),
_ => Err("valid values: auto, always, ansi, never"),
}
}
}
impl Into<ColorChoice> for ColorArg {
fn into(self) -> ColorChoice {
self.0
}
}