rust/tests/debuginfo/generator-objects.rs
2023-01-11 09:32:08 +00:00

99 lines
3.2 KiB
Rust

// Require a gdb that can read DW_TAG_variant_part.
// min-gdb-version: 8.2
// LLDB without native Rust support cannot read DW_TAG_variant_part,
// so it prints nothing for generators. But those tests are kept to
// ensure that LLDB won't crash at least (like #57822).
// compile-flags:-g
// === GDB TESTS ===================================================================================
// gdb-command:run
// gdb-command:print b
// gdb-check:$1 = generator_objects::main::{generator_env#0}::Unresumed{_ref__a: 0x[...]}
// gdb-command:continue
// gdb-command:print b
// gdb-check:$2 = generator_objects::main::{generator_env#0}::Suspend0{c: 6, d: 7, _ref__a: 0x[...]}
// gdb-command:continue
// gdb-command:print b
// gdb-check:$3 = generator_objects::main::{generator_env#0}::Suspend1{c: 7, d: 8, _ref__a: 0x[...]}
// gdb-command:continue
// gdb-command:print b
// gdb-check:$4 = generator_objects::main::{generator_env#0}::Returned{_ref__a: 0x[...]}
// === LLDB TESTS ==================================================================================
// lldb-command:run
// lldb-command:print b
// lldbg-check:(generator_objects::main::{generator_env#0}) $0 =
// lldb-command:continue
// lldb-command:print b
// lldbg-check:(generator_objects::main::{generator_env#0}) $1 =
// lldb-command:continue
// lldb-command:print b
// lldbg-check:(generator_objects::main::{generator_env#0}) $2 =
// lldb-command:continue
// lldb-command:print b
// lldbg-check:(generator_objects::main::{generator_env#0}) $3 =
// === CDB TESTS ===================================================================================
// cdb-command: g
// cdb-command: dx b
// cdb-check: b : Unresumed [Type: enum2$<generator_objects::main::generator_env$0>]
// cdb-check: [+0x[...]] _ref__a : 0x[...] : 5 [Type: int *]
// cdb-command: g
// cdb-command: dx b
// cdb-check: b : Suspend0 [Type: enum2$<generator_objects::main::generator_env$0>]
// cdb-check: [+0x[...]] c : 6 [Type: int]
// cdb-check: [+0x[...]] d : 7 [Type: int]
// cdb-check: [+0x[...]] _ref__a : 0x[...] : 5 [Type: int *]
// cdb-command: g
// cdb-command: dx b
// cdb-check: b : Suspend1 [Type: enum2$<generator_objects::main::generator_env$0>]
// cdb-check: [+0x[...]] c : 7 [Type: int]
// cdb-check: [+0x[...]] d : 8 [Type: int]
// cdb-check: [+0x[...]] _ref__a : 0x[...] : 6 [Type: int *]
// cdb-command: g
// cdb-command: dx b
// cdb-check: b : Returned [Type: enum2$<generator_objects::main::generator_env$0>]
// cdb-check: [+0x[...]] _ref__a : 0x[...] : 6 [Type: int *]
#![feature(omit_gdb_pretty_printer_section, generators, generator_trait)]
#![omit_gdb_pretty_printer_section]
use std::ops::Generator;
use std::pin::Pin;
fn main() {
let mut a = 5;
let mut b = || {
let mut c = 6;
let mut d = 7;
yield;
a += 1;
c += 1;
d += 1;
yield;
println!("{} {} {}", a, c, d);
};
_zzz(); // #break
Pin::new(&mut b).resume(());
_zzz(); // #break
Pin::new(&mut b).resume(());
_zzz(); // #break
Pin::new(&mut b).resume(());
_zzz(); // #break
}
#[inline(never)]
fn _zzz() {
()
}