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
use bpaf::{construct, long, short, Bpaf, Parser};
use std::path::PathBuf;
#[derive(Clone, Debug, Bpaf)]
#[bpaf(options("asm"))]
#[allow(clippy::struct_excessive_bools)]
pub struct Options {
#[bpaf(external(parse_manifest_path))]
pub manifest_path: PathBuf,
#[bpaf(argument("DIR"))]
pub target_dir: Option<PathBuf>,
#[bpaf(long, short, argument("SPEC"))]
pub package: Option<String>,
#[bpaf(external, optional)]
pub focus: Option<Focus>,
pub dry: bool,
pub frozen: bool,
pub locked: bool,
pub offline: bool,
#[bpaf(external)]
pub format: Format,
#[bpaf(external)]
pub verbosity: usize,
#[bpaf(external, fallback(Syntax::Intel))]
pub syntax: Syntax,
#[bpaf(positional("FUNCTION"))]
pub function: Option<String>,
#[bpaf(positional("INDEX"), fallback(0))]
pub nth: usize,
}
fn verbosity() -> impl Parser<usize> {
short('v')
.long("verbose")
.help("more verbose output, can be specified multiple times")
.req_flag(())
.many()
.map(|v| v.len())
}
fn parse_manifest_path() -> impl Parser<PathBuf> {
long("manifest-path")
.help("Path to Cargo.toml")
.argument::<PathBuf>("PATH")
.parse(|p| {
if p.is_absolute() {
Ok(p)
} else {
std::env::current_dir()
.map(|d| d.join(p))
.and_then(|full_path| full_path.canonicalize())
}
})
.fallback_with(|| std::env::current_dir().map(|x| x.join("Cargo.toml")))
}
#[derive(Debug, Clone, Bpaf)]
pub struct Format {
pub rust: bool,
#[bpaf(external(color_detection))]
pub color: bool,
pub full_name: bool,
}
#[derive(Debug, Clone, Bpaf)]
pub enum Syntax {
Intel,
Att,
}
impl ToString for Syntax {
fn to_string(&self) -> String {
match self {
Syntax::Intel => String::from("llvm-args=-x86-asm-syntax=intel"),
Syntax::Att => String::from("llvm-args=-x86-asm-syntax=att"),
}
}
}
fn color_detection() -> impl Parser<bool> {
let yes = long("color")
.help("Enable color highlighting")
.req_flag(true);
let no = long("no-color")
.help("Disable color highlighting")
.req_flag(false);
construct!([yes, no]).fallback_with::<_, &str>(|| Ok(true))
}
#[derive(Debug, Clone, Bpaf)]
pub enum Focus {
Lib,
Test(
#[bpaf(long("test"), argument("TEST"))]
String,
),
Bench(
#[bpaf(long("bench"), argument("BENCH"))]
String,
),
Example(
#[bpaf(long("example"), argument("EXAMPLE"))]
String,
),
Bin(
#[bpaf(long("bin"), argument("BIN"))]
String,
),
}
impl std::fmt::Display for Focus {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
Focus::Lib => f.write_str("--lib"),
Focus::Test(t) => write!(f, "--test {}", t),
Focus::Bench(b) => write!(f, "--bench {}", b),
Focus::Example(e) => write!(f, "--example {}", e),
Focus::Bin(b) => write!(f, "--bin {}", b),
}
}
}
fn main() {
println!("{:#?}", options().run());
}