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-32bit: "hee444285569b39c2" -> "SYMBOL_HASH"
   7 //[legacy]normalize-stderr-64bit: "h310ea0259fc3d32d" -> "SYMBOL_HASH"
   8
   9 #![feature(optin_builtin_traits, rustc_attrs)]
  10 #![allow(dead_code)]
  11
  12 mod foo {
  13     pub struct Foo { x: u32 }
  14
  15     impl Foo {
  16         #[rustc_symbol_name]
  17         //[legacy]~^ ERROR symbol-name(_ZN5impl13foo3Foo3bar
  18         //[legacy]~| ERROR demangling(impl1::foo::Foo::bar
  19         //[legacy]~| ERROR demangling-alt(impl1::foo::Foo::bar)
  20          //[v0]~^^^^ ERROR symbol-name(_RNvMNtCs4fqI2P2rA04_5impl13fooNtB2_3Foo3bar)
  21             //[v0]~| ERROR demangling(<impl1[317d481089b8c8fe]::foo::Foo>::bar)
  22             //[v0]~| ERROR demangling-alt(<impl1::foo::Foo>::bar)
  23         #[rustc_def_path]
  24         //[legacy]~^ ERROR def-path(foo::Foo::bar)
  25            //[v0]~^^ ERROR def-path(foo::Foo::bar)
  26         fn bar() { }
  27     }
  28 }
  29
  30 mod bar {
  31     use foo::Foo;
  32
  33     impl Foo {
  34         #[rustc_symbol_name]
  35         //[legacy]~^ ERROR symbol-name(_ZN5impl13bar33_$LT$impl$u20$impl1..foo..Foo$GT$3baz
  36         //[legacy]~| ERROR demangling(impl1::bar::<impl impl1::foo::Foo>::baz
  37         //[legacy]~| ERROR demangling-alt(impl1::bar::<impl impl1::foo::Foo>::baz)
  38          //[v0]~^^^^ ERROR symbol-name(_RNvMNtCs4fqI2P2rA04_5impl13barNtNtB4_3foo3Foo3baz)
  39             //[v0]~| ERROR demangling(<impl1[317d481089b8c8fe]::foo::Foo>::baz)
  40             //[v0]~| ERROR demangling-alt(<impl1::foo::Foo>::baz)
  41         #[rustc_def_path]
  42         //[legacy]~^ ERROR def-path(bar::<impl foo::Foo>::baz)
  43            //[v0]~^^ ERROR def-path(bar::<impl foo::Foo>::baz)
  44         fn baz() { }
  45     }
  46 }
  47
  48 trait Foo {
  49     type Assoc;
  50 }
  51
  52 auto trait AutoTrait {}
  53
  54 fn main() {
  55     // Test closure mangling, and disambiguators.
  56     || {};
  57     || {
  58         trait Bar {
  59             fn method(&self) {}
  60         }
  61
  62         // Test type mangling, by putting them in an `impl` header.
  63         impl Bar for [&'_ (dyn Foo<Assoc = extern fn(&u8, ...)> + AutoTrait); 3] {
  64             #[rustc_symbol_name]
  65             //[legacy]~^ ERROR symbol-name(_ZN209_$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
  66             //[legacy]~| ERROR demangling(<[&dyn impl1::Foo+Assoc = extern "C" fn(&u8, ::.)+impl1::AutoTrait; 3] as impl1::main::{{closure}}::Bar>::method
  67             //[legacy]~| ERROR demangling-alt(<[&dyn impl1::Foo+Assoc = extern "C" fn(&u8, ::.)+impl1::AutoTrait; 3] as impl1::main::{{closure}}::Bar>::method)
  68              //[v0]~^^^^ ERROR symbol-name(_RNvXNCNvCs4fqI2P2rA04_5impl14mains_0ARDNtB6_3Foop5AssocFG_KCRL0_hvEuNtB6_9AutoTraitEL_j3_NtB2_3Bar6method)
  69                 //[v0]~| ERROR demangling(<[&dyn impl1[317d481089b8c8fe]::Foo<Assoc = for<'a> extern "C" fn(&'a u8, ...)> + impl1[317d481089b8c8fe]::AutoTrait; 3: usize] as impl1[317d481089b8c8fe]::main::{closure#1}::Bar>::method)
  70                 //[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)
  71             #[rustc_def_path]
  72             //[legacy]~^ ERROR def-path(<[&dyn Foo<Assoc = for<'r> extern "C" fn(&'r u8, ...)> + AutoTrait; 3] as Bar>::method)
  73                //[v0]~^^ ERROR def-path(<[&dyn Foo<Assoc = for<'r> extern "C" fn(&'r u8, ...)> + AutoTrait; 3] as Bar>::method)
  74             fn method(&self) {}
  75         }
  76     };
  77 }