mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-02 07:22:42 +00:00
72 lines
2.3 KiB
Rust
72 lines
2.3 KiB
Rust
// Require a gdb or lldb that can read DW_TAG_variant_part.
|
|
//@ min-gdb-version: 8.2
|
|
//@ needs-rust-lldb
|
|
|
|
//@ compile-flags:-g
|
|
|
|
// === GDB TESTS ===================================================================================
|
|
|
|
// gdb-command:run
|
|
|
|
// gdb-command:print *the_a_ref
|
|
// gdbr-check:$1 = borrowed_enum::ABC::TheA{x: 0, y: 8970181431921507452}
|
|
|
|
// gdb-command:print *the_b_ref
|
|
// gdbr-check:$2 = borrowed_enum::ABC::TheB(0, 286331153, 286331153)
|
|
|
|
// gdb-command:print *univariant_ref
|
|
// gdbr-check:$3 = borrowed_enum::Univariant::TheOnlyCase(4820353753753434)
|
|
|
|
|
|
// === LLDB TESTS ==================================================================================
|
|
|
|
// lldb-command:run
|
|
|
|
// lldb-command:v *the_a_ref
|
|
// lldbr-check:(borrowed_enum::ABC::TheA) *the_a_ref = TheA { TheA: 0, TheB: 8970181431921507452 }
|
|
// lldb-command:v *the_b_ref
|
|
// lldbr-check:(borrowed_enum::ABC::TheB) *the_b_ref = { = 0 = 286331153 = 286331153 }
|
|
// lldb-command:v *univariant_ref
|
|
// lldbr-check:(borrowed_enum::Univariant) *univariant_ref = { TheOnlyCase = { = 4820353753753434 } }
|
|
|
|
#![allow(unused_variables)]
|
|
#![feature(omit_gdb_pretty_printer_section)]
|
|
#![omit_gdb_pretty_printer_section]
|
|
|
|
// The first element is to ensure proper alignment, irrespective of the machines word size. Since
|
|
// the size of the discriminant value is machine dependent, this has be taken into account when
|
|
// datatype layout should be predictable as in this case.
|
|
enum ABC {
|
|
TheA { x: i64, y: i64 },
|
|
TheB (i64, i32, i32),
|
|
}
|
|
|
|
// This is a special case since it does not have the implicit discriminant field.
|
|
enum Univariant {
|
|
TheOnlyCase(i64)
|
|
}
|
|
|
|
fn main() {
|
|
|
|
// 0b0111110001111100011111000111110001111100011111000111110001111100 = 8970181431921507452
|
|
// 0b01111100011111000111110001111100 = 2088533116
|
|
// 0b0111110001111100 = 31868
|
|
// 0b01111100 = 124
|
|
let the_a = ABC::TheA { x: 0, y: 8970181431921507452 };
|
|
let the_a_ref: &ABC = &the_a;
|
|
|
|
// 0b0001000100010001000100010001000100010001000100010001000100010001 = 1229782938247303441
|
|
// 0b00010001000100010001000100010001 = 286331153
|
|
// 0b0001000100010001 = 4369
|
|
// 0b00010001 = 17
|
|
let the_b = ABC::TheB (0, 286331153, 286331153);
|
|
let the_b_ref: &ABC = &the_b;
|
|
|
|
let univariant = Univariant::TheOnlyCase(4820353753753434);
|
|
let univariant_ref: &Univariant = &univariant;
|
|
|
|
zzz(); // #break
|
|
}
|
|
|
|
fn zzz() {()}
|