llvm/test/Demangle/rust.test

RUN: llvm-cxxfilt -n  < %s | FileCheck --match-full-lines %s

CHECK: a::main
       _RNvC1a4main

CHECK: hello::rust
       _RNvCshGpAVYOtgW1_5hello4rust

CHECK: a::b::c
       _RNvNvC1a1b1c

; Instantiating crate

CHECK: crate
       _RC5crateC3foo

; Closure namespace

CHECK: crate::{closure#0}
       _RNCC5crate0

CHECK: crate::{closure#1}
       _RNCC5crates_0

CHECK: crate::{closure:foo#0}
       _RNCC5crate3foo

CHECK: crate::{closure:foo#1}
       _RNCC5crates_3foo

; Shim namespace

CHECK: crate::{shim:reify#0}
       _RNSC5crate5reify

; Unrecognized special namespace

CHECK: crate::{Z:ident#10}
       _RNZC5crates8_5ident

; Inherent impl

CHECK: <_>
       _RMC5cratep

CHECK: <_>
       _RMs_C5cratep

; Trait impl

CHECK: <_ as Clone>
       _RXC5cratepC5Clone

CHECK: <_ as Clone>
       _RXs_C5cratepC5Clone

; Trait definition

CHECK: <_ as Ord>
       _RYpC3Ord

; Generic type arguments

CHECK: generic::<_>
       _RIC7genericpE

CHECK: generic::<_, _>
       _RIC7genericppE

CHECK: generic::<_, _, _>
       _RIC7genericpppE

; Generic const arguments

CHECK: generic_const::<_>
       _RIC13generic_constKpE

; Generic lifetime arguments

CHECK: generic_lifetime::<'_>
       _RIC16generic_lifetimeL_E

; Invalid lifetime index.

CHECK: _RIC16generic_lifetimeL0_E
       _RIC16generic_lifetimeL0_E

; Basic types

CHECK: basic::<i8>
       _RIC5basicaE

CHECK: basic::<bool>
       _RIC5basicbE

CHECK: basic::<char>
       _RIC5basiccE

CHECK: basic::<f64>
       _RIC5basicdE

CHECK: basic::<str>
       _RIC5basiceE

CHECK: basic::<f32>
       _RIC5basicfE

CHECK: basic::<u8>
       _RIC5basichE

CHECK: basic::<isize>
       _RIC5basiciE

CHECK: basic::<usize>
       _RIC5basicjE

CHECK: basic::<i32>
       _RIC5basiclE

CHECK: basic::<u32>
       _RIC5basicmE

CHECK: basic::<i128>
       _RIC5basicnE

CHECK: basic::<u128>
       _RIC5basicoE

CHECK: basic::<_>
       _RIC5basicpE

CHECK: basic::<i16>
       _RIC5basicsE

CHECK: basic::<u16>
       _RIC5basictE

CHECK: basic::<()>
       _RIC5basicuE

CHECK: basic::<...>
       _RIC5basicvE

CHECK: basic::<i64>
       _RIC5basicxE

CHECK: basic::<u64>
       _RIC5basicyE

CHECK: basic::<!>
       _RIC5basiczE

; Named types. Test possible paths productions.

CHECK: named::<name>
       _RIC5namedC4nameE

CHECK: named::<<_>>
       _RIC5namedMC5cratepE

CHECK: named::<<_ as Name>>
       _RIC5namedXC5cratepC4NameE

CHECK: named::<<_ as Name>>
       _RIC5namedYpC4NameE

CHECK: named::<name::Name>
       _RIC5namedNvC4name4NameE

CHECK: named::<Name<>>
       _RIC5namedIC4NameEE

; Types

CHECK: types::<[u8; 0]>
       _RIC5typesAhj0_E

CHECK: types::<[_]>
       _RIC5typesSpE

CHECK: types::<()>
       _RIC5typesTEE

CHECK: types::<(_,)>
       _RIC5typesTpEE

CHECK: types::<(_, _)>
       _RIC5typesTppEE

CHECK: types::<(_, _, _)>
       _RIC5typesTpppEE

CHECK: types::<&_>
       _RIC5typesRpE

CHECK: types::<&_>
       _RIC5typesRL_pE

CHECK: types::<&mut _>
       _RIC5typesQpE

CHECK: types::<&mut _>
       _RIC5typesQL_pE

CHECK: types::<*const _>
       _RIC5typesPpE

CHECK: types::<*mut _>
       _RIC5typesOpE

; Function signatures

CHECK: function::<fn()>
       _RIC8functionFEuE

CHECK: function::<fn() -> _>
       _RIC8functionFEpE

CHECK: function::<fn(_)>
       _RIC8functionFpEuE

CHECK: function::<fn(_, _)>
       _RIC8functionFppEuE

CHECK: function::<fn(_, _, _)>
       _RIC8functionFpppEuE

CHECK: function::<unsafe fn()>
       _RIC8functionFUEuE

CHECK: function::<extern "C" fn()>
       _RIC8functionFKCEuE

CHECK: function::<extern "cdecl" fn()>
       _RIC8functionFK5cdeclEuE

CHECK: function::<unsafe extern "C-cmse-nonsecure-call" fn()>
       _RIC8functionFUK21C_cmse_nonsecure_callEuE

; Invalid ABI with punycode.

CHECK: _RIC8functionFKu3n3hEuE
       _RIC8functionFKu3n3hEuE

; Trait objects

CHECK: trait::<dyn >
       _RIC5traitDEL_E

CHECK: trait::<dyn for<'a> >
       _RIC5traitDG_EL_E

CHECK: trait::<for<'a> fn(dyn for<'b> + 'a)>
       _RIC5traitFG_DG_EL0_EuE

CHECK: trait::<dyn Display>
       _RIC5traitDC7DisplayEL_E

CHECK: trait::<dyn Display + Send + Sync>
       _RIC5traitDC7DisplayC4SendC4SyncEL_E

CHECK: trait::<dyn for<'a> Display>
       _RIC5traitDG_C7DisplayEL_E

CHECK: trait::<dyn IntoIterator<_, Item = _>>
       _RIC5traitDIC12IntoIteratorpEp4ItempEL_E

CHECK: trait::<dyn IntoIterator<Item = _>>
       _RIC5traitDC12IntoIteratorp4ItempEL_E

CHECK: trait::<dyn IntoIterator<Item = _, IntoIter = _>>
       _RIC5traitDC12IntoIteratorp4Itempp8IntoIterpEL_E

; Invalid trait object, missing lifetime.

CHECK: _RIC5traitDEE
       _RIC5traitDEE

; Binders

CHECK: binders::<for<'a> fn(&'a _)>
       _RIC7bindersFG_RL0_pEuE

CHECK: binders::<for<'a> fn(&'a mut _)>
       _RIC7bindersFG_QL0_pEuE

CHECK: binders::<for<'a, 'b> fn(&'a _, &'b _)>
       _RIC7bindersFG0_RL1_pRL0_pEuE

CHECK: binders::<for<'a, 'b> fn() -> for<'c, 'd> fn(&'a _, &'d _)>
       _RIC7bindersFG0_EFG0_RL3_pRL0_pEuE

CHECK: binders::<for<'a, 'b, 'c, 'd, 'e, 'f, 'g, 'h, 'i, 'j, 'k, 'l, 'm, 'n, 'o, 'p, 'q, 'r, 's, 't, 'u, 'v, 'w, 'x, 'y, 'z, 'z1, 'z2, 'z3, 'z4> fn(&'a &'b &'c &'d &'e &'f &'g &'h &'i &'j &'k &'l &'m &'n &'o &'p &'q &'r &'s &'t &'u &'v &'w &'x &'y &'z &'z1 &'z2 &'z3 &'z4 ())>
       _RIC7bindersFGs_RLt_RLs_RLr_RLq_RLp_RLo_RLn_RLm_RLl_RLk_RLj_RLi_RLh_RLg_RLf_RLe_RLd_RLc_RLb_RLa_RL9_RL8_RL7_RL6_RL5_RL4_RL3_RL2_RL1_RL0_uEuE

; Invalid binder. Too many bound lifetimes.

CHECK: _RIC7bindersFGFF_EuE
       _RIC7bindersFGFF_EuE

; Integer constants. Test value demangling.

CHECK: integer::<0>
       _RIC7integerKi0_E

CHECK: integer::<1>
       _RIC7integerKi1_E

CHECK: integer::<-1>
       _RIC7integerKin1_E

CHECK: integer::<-15>
       _RIC7integerKinf_E

CHECK: integer::<-16>
       _RIC7integerKin10_E

CHECK: integer::<18446744073709551615>
       _RIC7integerKoffffffffffffffff_E

CHECK: integer::<0x10000000000000000>
       _RIC7integerKo10000000000000000_E

CHECK: integer::<-0x123456789abcdef01>
       _RIC7integerKnn123456789abcdef01_E

; Invalid integer constant without any digits:

CHECK: _RIC7integerKi_E
       _RIC7integerKi_E

; Invalid integer constants with insignificant leading zeros:

CHECK: _RIC7integerKi00_E
       _RIC7integerKi00_E

CHECK: _RIC7integerKi01_E
       _RIC7integerKi01_E

; Integer constants. Test all integer types.

CHECK: i8::<0>
       _RIC2i8Ka0_E

CHECK: u8::<0>
       _RIC2u8Kh0_E

CHECK: isize::<0>
       _RIC5isizeKi0_E

CHECK: usize::<0>
       _RIC5usizeKj0_E

CHECK: i32::<0>
       _RIC3i32Kl0_E

CHECK: u32::<0>
       _RIC3u32Km0_E

CHECK: i128::<0>
       _RIC4i128Kn0_E

CHECK: u128::<0>
       _RIC4u128Ko0_E

CHECK: i16::<0>
       _RIC3i16Ks0_E

CHECK: u16::<0>
       _RIC3u16Kt0_E

CHECK: i64::<0>
       _RIC3i64Kx0_E

CHECK: u64::<0>
       _RIC3u64Ky0_E

; Bool constants

CHECK: bool::<false>
       _RIC4boolKb0_E

CHECK: bool::<true>
       _RIC4boolKb1_E

; Invalid bool constants

CHECK: _RIC4boolKb2_E
       _RIC4boolKb2_E

CHECK: _RIC4boolKbn0_E
       _RIC4boolKbn0_E

; Char constants

CHECK: char::<'a'>
       _RIC4charKc61_E

CHECK: char::<'"'>
       _RIC4charKc22_E

CHECK: char::<'\t'>
       _RIC4charKc9_E

CHECK: char::<'\r'>
       _RIC4charKcd_E

CHECK: char::<'\n'>
       _RIC4charKca_E

CHECK: char::<'\\'>
       _RIC4charKc5c_E

CHECK: char::<'\''>
       _RIC4charKc27_E

CHECK: char::<'\u{1f40d}'>
       _RIC4charKc1f40d_E

CHECK: char::<'\u{10ffff}'>
       _RIC4charKc10ffff_E

; Invalid char constants

CHECK: _RIC4charKc1234567_E
       _RIC4charKc1234567_E

; Backreferences

CHECK: backref::<backref::ident>
       _RIC7backrefNvB0_5identE

CHECK: backref::<(), ()>
       _RIC7backrefuB9_E

CHECK: backref::<7, 7>
       _RIC7backrefKi7_KBa_E

; Invalid backreferences

CHECK: _RB_
       _RB_

CHECK: _RB5_
       _RB5_

CHECK: _RNvB_1a
       _RNvB_1a

CHECK: _RIC7backrefSB9_E
       _RIC7backrefSB9_E

CHECK: _RIC7backrefKBa_E
       _RIC7backrefKBa_E

; Dot suffix

CHECK: dot (.llvm.1234)
       _RC3dot.llvm.1234

CHECK: dot (.llvm.6789)
       _RC3dotC5crate.llvm.6789

; Punycode

CHECK: punycode::東京
       _RNvC8punycodeu7_1lqs71d

CHECK: punycode::zażółć_gęślą_jaźń
       _RNvC8punycodeu29za_gl_ja_w3a7psa2tqtgb10airva

CHECK: punycode::საჭმელად_გემრიელი_სადილი
       _RNvC8punycodeu30____7hkackfecea1cbdathfdh9hlq6y

CHECK: Gödel::Escher::Bach
       _RNtNvCu8Gdel_5qa6Escher4Bach

CHECK: punycode::🦁🐅
       _RNvC8punycodeu7wn8hx1g

; Punycode - invalid code point

CHECK: _RCu5r731r
       _RCu5r731r

CHECK: _RCu8b44444yy
       _RCu8b44444yy

CHECK: _RNvC1au25zzzzzzzzzzzzzzzzzzzzzzzzz
       _RNvC1au25zzzzzzzzzzzzzzzzzzzzzzzzz

; Punycode - early EOF

CHECK: _RCu8_CCCAR_u4
       _RCu8_CCCAR_u4

; Punycode - overflow

CHECK: _RNvC1au21p18888888888888888888
       _RNvC1au21p18888888888888888888

; Invalid mangled characters

CHECK: _RNvC2a.1c
       _RNvC2a.1c

CHECK: _RNvC2a$1c
       _RNvC2a$1c

; Invalid namespace (not in [a-zA-Z]).

CHECK: _RN_C5crate4main
       _RN_C5crate4main

; Invalid identifier length (UINT64_MAX + 3, which happens to be ok after a wraparound).

CHECK: _RNvC2ab18446744073709551618xy
       _RNvC2ab18446744073709551618xy

; Mangling scheme includes an optional encoding version. When present it would
; indicate an encoding we don't support yet. Check that it is rejected:

CHECK: _R0NvC1a4main
       _R0NvC1a4main

; Early EOF

CHECK: _RNv
       _RNv

CHECK: _RNvC
       _RNvC

CHECK: _RNvC1a5main
       _RNvC1a5main

CHECK: _RNvC1a20abc
       _RNvC1a20abc