src/test/ui/symbol-names/impl1.rs

   1 // build-fail
   2 // ignore-tidy-linelength
   3 // revisions: legacy v0
   4 //[legacy]compile-flags: -Z symbol-mangling-version=legacy
   5     //[v0]compile-flags: -Z symbol-mangling-version=v0
   6 //[legacy]normalize-stderr-test: "h[\w]{16}E?\)" -> "<SYMBOL_HASH>)"
   7
   8 #![feature(auto_traits, rustc_attrs)]
   9 #![allow(dead_code)]
  10
  11 mod foo {
  12     pub struct Foo { x: u32 }
  13
  14     impl Foo {
  15         #[rustc_symbol_name]
  16         //[legacy]~^ ERROR symbol-name(_ZN5impl13foo3Foo3bar
  17         //[legacy]~| ERROR demangling(impl1::foo::Foo::bar
  18         //[legacy]~| ERROR demangling-alt(impl1::foo::Foo::bar)
  19          //[v0]~^^^^ ERROR symbol-name(_RNvMNtCs21hi0yVfW1J_5impl13fooNtB2_3Foo3bar)
  20             //[v0]~| ERROR demangling(<impl1[17891616a171812d]::foo::Foo>::bar)
  21             //[v0]~| ERROR demangling-alt(<impl1::foo::Foo>::bar)
  22         #[rustc_def_path]
  23         //[legacy]~^ ERROR def-path(foo::Foo::bar)
  24            //[v0]~^^ ERROR def-path(foo::Foo::bar)
  25         fn bar() { }
  26     }
  27 }
  28
  29 mod bar {
  30     use foo::Foo;
  31
  32     impl Foo {
  33         #[rustc_symbol_name]
  34         //[legacy]~^ ERROR symbol-name(_ZN5impl13bar33_$LT$impl$u20$impl1..foo..Foo$GT$3baz
  35         //[legacy]~| ERROR demangling(impl1::bar::<impl impl1::foo::Foo>::baz
  36         //[legacy]~| ERROR demangling-alt(impl1::bar::<impl impl1::foo::Foo>::baz)
  37          //[v0]~^^^^ ERROR symbol-name(_RNvMNtCs21hi0yVfW1J_5impl13barNtNtB4_3foo3Foo3baz)
  38             //[v0]~| ERROR demangling(<impl1[17891616a171812d]::foo::Foo>::baz)
  39             //[v0]~| ERROR demangling-alt(<impl1::foo::Foo>::baz)
  40         #[rustc_def_path]
  41         //[legacy]~^ ERROR def-path(bar::<impl foo::Foo>::baz)
  42            //[v0]~^^ ERROR def-path(bar::<impl foo::Foo>::baz)
  43         fn baz() { }
  44     }
  45 }
  46
  47 trait Foo {
  48     type Assoc;
  49 }
  50
  51 auto trait AutoTrait {}
  52
  53 fn main() {
  54     // Test closure mangling, and disambiguators.
  55     || {};
  56     || {
  57         trait Bar {
  58             fn method(&self) {}
  59         }
  60
  61         // Test type mangling, by putting them in an `impl` header.
  62         impl Bar for [&'_ (dyn Foo<Assoc = extern "C" fn(&u8, ...)> + AutoTrait); 3] {
  63             #[rustc_symbol_name]
  64             //[legacy]~^ ERROR symbol-name(_ZN209_$LT$$u5b$$RF$dyn$u20$impl1..Foo$u2b$Assoc$u20$$u3d$$u20$extern$u20$$u22$C$u22$$u20$fn$LP$$RF$u8$C$$u20$...$RP$$u2b$impl1..AutoTrait$u3b$$u20$3$u5d$$u20$as$u20$impl1..main..$u7b$$u7b$closure$u7d$$u7d$..Bar$GT$6method
  65             //[legacy]~| ERROR demangling(<[&dyn impl1::Foo+Assoc = extern "C" fn(&u8, ::.)+impl1::AutoTrait; 3] as impl1::main::{{closure}}::Bar>::method
  66             //[legacy]~| ERROR demangling-alt(<[&dyn impl1::Foo+Assoc = extern "C" fn(&u8, ::.)+impl1::AutoTrait; 3] as impl1::main::{{closure}}::Bar>::method)
  67              //[v0]~^^^^ ERROR symbol-name(_RNvXNCNvCs21hi0yVfW1J_5impl14mains_0ARDNtB6_3Foop5AssocFG_KCRL0_hvEuNtB6_9AutoTraitEL_j3_NtB2_3Bar6method)
  68                 //[v0]~| ERROR demangling(<[&dyn impl1[17891616a171812d]::Foo<Assoc = for<'a> extern "C" fn(&'a u8, ...)> + impl1[17891616a171812d]::AutoTrait; 3: usize] as impl1[17891616a171812d]::main::{closure#1}::Bar>::method)
  69                 //[v0]~| ERROR demangling-alt(<[&dyn impl1::Foo<Assoc = for<'a> extern "C" fn(&'a u8, ...)> + impl1::AutoTrait; 3] as impl1::main::{closure#1}::Bar>::method)
  70             #[rustc_def_path]
  71             //[legacy]~^ ERROR def-path(<[&dyn Foo<Assoc = for<'r> extern "C" fn(&'r u8, ...)> + AutoTrait; 3] as main::{closure#1}::Bar>::method)
  72                //[v0]~^^ ERROR def-path(<[&dyn Foo<Assoc = for<'r> extern "C" fn(&'r u8, ...)> + AutoTrait; 3] as main::{closure#1}::Bar>::method)
  73             fn method(&self) {}
  74         }
  75     };
  76 }