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group printing

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This commit is contained in:
Jane Lusby 2019-06-08 14:49:33 -07:00
parent 296794dec5
commit 07ccec86a5
1 changed files with 44 additions and 33 deletions
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77
src/driver.rs
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@ -112,6 +112,7 @@ impl rustc_driver::Callbacks for ClippyCallbacks {
fn describe_lints() {
use lintlist::*;
use std::collections::HashSet;
println!(
"
@ -143,11 +144,13 @@ Available lint options:
let scoped = |x: &str| format!("clippy::{}", x);
let lint_groups: HashSet<_> = lints.iter().map(|lint| lint.group).collect();
println!("Lint checks provided by clippy:\n");
println!(" {} {:7.7} meaning", padded("name"), "default");
println!(" {} {:7.7} -------", padded("----"), "-------");
let print_lints = |lints: Vec<&Lint>| {
let print_lints = |lints: &[&Lint]| {
for lint in lints {
let name = lint.name.replace("_", "-");
println!(" {} {:7.7} {}", padded(&scoped(&name)), "unknown", lint.desc);
@ -155,37 +158,44 @@ Available lint options:
println!("\n");
};
print_lints(lints);
print_lints(&lints);
// let max_name_len = max("warnings".len(),
// plugin_groups.iter()
// .chain(&builtin_groups)
// .map(|&(s, _)| s.chars().count())
// .max()
// .unwrap_or(0));
let max_name_len = std::cmp::max(
"warnings".len(),
lint_groups
.iter()
.map(|group| group.len())
.map(|len| len + "clippy::".len())
.max()
.unwrap_or(0),
);
// let padded = |x: &str| {
// let mut s = " ".repeat(max_name_len - x.chars().count());
// s.push_str(x);
// s
// };
let padded = |x: &str| {
let mut s = " ".repeat(max_name_len - x.chars().count());
s.push_str(x);
s
};
// println!("Lint groups provided by rustc:\n");
// println!(" {} {}", padded("name"), "sub-lints");
// println!(" {} {}", padded("----"), "---------");
// println!(" {} {}", padded("warnings"), "all lints that are set to issue warnings");
println!("Lint groups provided by rustc:\n");
println!(" {} sub-lints", padded("name"));
println!(" {} ---------", padded("----"));
// println!(" {} all lints that are set to issue warnings", padded("warnings"));
// let print_lint_groups = |lints: Vec<(&'static str, Vec<lint::LintId>)>| {
// for (name, to) in lints {
// let name = name.to_lowercase().replace("_", "-");
// let desc = to.into_iter()
// .map(|x| x.to_string().replace("_", "-"))
// .collect::<Vec<String>>()
// .join(", ");
// println!(" {} {}", padded(&name), desc);
// }
// println!("\n");
// };
let print_lint_groups = || {
for group in lint_groups {
let name = group.to_lowercase().replace("_", "-");
let desc = lints.iter()
.filter(|&lint| lint.group == group)
.map(|lint| lint.name)
.map(|name| name.replace("_", "-"))
.collect::<Vec<String>>()
.join(", ");
println!(" {} {}", padded(&name), desc);
}
println!("\n");
};
print_lint_groups();
// print_lint_groups(builtin_groups);
@ -295,17 +305,18 @@ pub fn main() {
exit(0);
}
let args: Vec<_> = std::env::args().collect();
if !wrapper_mode
&& args.windows(2).any(|args| {
let should_describe_lints = || {
let args: Vec<_> = std::env::args().collect();
args.windows(2).any(|args| {
args[1] == "help"
&& match args[0].as_str() {
"-W" | "-A" | "-D" | "-F" => true,
_ => false,
}
})
{
};
if !wrapper_mode && should_describe_lints() {
describe_lints();
exit(0);
}