src/tools/clippy/tests/ui/uninlined_format_args.fixed

   1 // aux-build:proc_macro_with_span.rs
   2 // run-rustfix
   3 #![feature(custom_inner_attributes)]
   4 #![warn(clippy::uninlined_format_args)]
   5 #![allow(named_arguments_used_positionally, unused_imports, unused_macros, unused_variables)]
   6 #![allow(clippy::eq_op, clippy::format_in_format_args, clippy::print_literal)]
   7
   8 extern crate proc_macro_with_span;
   9 use proc_macro_with_span::with_span;
  10
  11 macro_rules! no_param_str {
  12     () => {
  13         "{}"
  14     };
  15 }
  16
  17 macro_rules! my_println {
  18    ($($args:tt),*) => {{
  19         println!($($args),*)
  20     }};
  21 }
  22
  23 macro_rules! my_println_args {
  24     ($($args:tt),*) => {{
  25         println!("foo: {}", format_args!($($args),*))
  26     }};
  27 }
  28
  29 fn tester(fn_arg: i32) {
  30     let local_i32 = 1;
  31     let local_f64 = 2.0;
  32     let local_opt: Option<i32> = Some(3);
  33     let width = 4;
  34     let prec = 5;
  35     let val = 6;
  36
  37     // make sure this file hasn't been corrupted with tabs converted to spaces
  38     // let _ = '        ';  // <- this is a single tab character
  39     let _: &[u8; 3] = b"                "; // <- <tab><space><tab>
  40
  41     println!("val='{local_i32}'");
  42     println!("val='{local_i32}'"); // 3 spaces
  43     println!("val='{local_i32}'"); // tab
  44     println!("val='{local_i32}'"); // space+tab
  45     println!("val='{local_i32}'"); // tab+space
  46     println!(
  47         "val='{
  48     }'",
  49         local_i32
  50     );
  51     println!("{local_i32}");
  52     println!("{fn_arg}");
  53     println!("{local_i32:?}");
  54     println!("{local_i32:#?}");
  55     println!("{local_i32:4}");
  56     println!("{local_i32:04}");
  57     println!("{local_i32:<3}");
  58     println!("{local_i32:#010x}");
  59     println!("{local_f64:.1}");
  60     println!("Hello {} is {local_f64:.local_i32$}", "x");
  61     println!("Hello {local_i32} is {local_f64:.*}", 5);
  62     println!("Hello {local_i32} is {local_f64:.*}", 5);
  63     println!("{local_i32} {local_f64}");
  64     println!("{local_i32}, {}", local_opt.unwrap());
  65     println!("{val}");
  66     println!("{val}");
  67     println!("{} {1}", local_i32, 42);
  68     println!("val='{local_i32}'");
  69     println!("val='{local_i32}'");
  70     println!("val='{local_i32}'");
  71     println!("val='{fn_arg}'");
  72     println!("{local_i32}");
  73     println!("{local_i32:?}");
  74     println!("{local_i32:#?}");
  75     println!("{local_i32:04}");
  76     println!("{local_i32:<3}");
  77     println!("{local_i32:#010x}");
  78     println!("{local_f64:.1}");
  79     println!("{local_i32} {local_i32}");
  80     println!("{local_f64} {local_i32} {local_i32} {local_f64}");
  81     println!("{local_i32} {local_f64}");
  82     println!("{local_f64} {local_i32}");
  83     println!("{local_f64} {local_i32} {local_f64} {local_i32}");
  84     println!("{1} {0}", "str", local_i32);
  85     println!("{local_i32}");
  86     println!("{local_i32:width$}");
  87     println!("{local_i32:width$}");
  88     println!("{local_i32:.prec$}");
  89     println!("{local_i32:.prec$}");
  90     println!("{val:val$}");
  91     println!("{val:val$}");
  92     println!("{val:val$.val$}");
  93     println!("{val:val$.val$}");
  94     println!("{val:val$.val$}");
  95     println!("{val:val$.val$}");
  96     println!("{val:val$.val$}");
  97     println!("{val:val$.val$}");
  98     println!("{val:val$.val$}");
  99     println!("{val:val$.val$}");
 100     println!("{width:width$}");
 101     println!("{local_i32:width$}");
 102     println!("{width:width$}");
 103     println!("{local_i32:width$}");
 104     println!("{prec:.prec$}");
 105     println!("{local_i32:.prec$}");
 106     println!("{prec:.prec$}");
 107     println!("{local_i32:.prec$}");
 108     println!("{width:width$.prec$}");
 109     println!("{width:width$.prec$}");
 110     println!("{local_f64:width$.prec$}");
 111     println!("{local_f64:width$.prec$} {local_f64} {width} {prec}");
 112     println!(
 113         "{0:1$.2$} {0:2$.1$} {1:0$.2$} {1:2$.0$} {2:0$.1$} {2:1$.0$}",
 114         local_i32, width, prec,
 115     );
 116     println!(
 117         "{0:1$.2$} {0:2$.1$} {1:0$.2$} {1:2$.0$} {2:0$.1$} {2:1$.0$} {3}",
 118         local_i32,
 119         width,
 120         prec,
 121         1 + 2
 122     );
 123     println!("Width = {local_i32}, value with width = {local_f64:local_i32$}");
 124     println!("{local_i32:width$.prec$}");
 125     println!("{width:width$.prec$}");
 126     println!("{}", format!("{local_i32}"));
 127     my_println!("{}", local_i32);
 128     my_println_args!("{}", local_i32);
 129
 130     // these should NOT be modified by the lint
 131     println!(concat!("nope ", "{}"), local_i32);
 132     println!("val='{local_i32}'");
 133     println!("val='{local_i32 }'");
 134     println!("val='{local_i32   }'"); // with tab
 135     println!("val='{local_i32\n}'");
 136     println!("{}", usize::MAX);
 137     println!("{}", local_opt.unwrap());
 138     println!(
 139         "val='{local_i32
 140     }'"
 141     );
 142     println!(no_param_str!(), local_i32);
 143
 144     println!(
 145         "{}",
 146         // comment with a comma , in it
 147         val,
 148     );
 149     println!("{val}");
 150
 151     println!(with_span!("{0} {1}" "{1} {0}"), local_i32, local_f64);
 152     println!("{}", with_span!(span val));
 153 }
 154
 155 fn main() {
 156     tester(42);
 157 }
 158
 159 fn _under_msrv() {
 160     #![clippy::msrv = "1.57"]
 161     let local_i32 = 1;
 162     println!("don't expand='{}'", local_i32);
 163 }
 164
 165 fn _meets_msrv() {
 166     #![clippy::msrv = "1.58"]
 167     let local_i32 = 1;
 168     println!("expand='{local_i32}'");
 169 }