rust/tests/debuginfo/coroutine-objects.rs

90 lines
3.0 KiB
Rust

//@ min-lldb-version: 1800
// LLDB (18.1+) now supports DW_TAG_variant_part, but there is some bug in either compiler or LLDB
// with memory layout of discriminant for this particular enum
// 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 = coroutine_objects::main::{coroutine_env#0}::Unresumed{_ref__a: 0x[...]}
// gdb-command:continue
// gdb-command:print b
// gdb-check:$2 = coroutine_objects::main::{coroutine_env#0}::Suspend0{c: 6, d: 7, _ref__a: 0x[...]}
// gdb-command:continue
// gdb-command:print b
// gdb-check:$3 = coroutine_objects::main::{coroutine_env#0}::Suspend1{c: 7, d: 8, _ref__a: 0x[...]}
// gdb-command:continue
// gdb-command:print b
// gdb-check:$4 = coroutine_objects::main::{coroutine_env#0}::Returned{_ref__a: 0x[...]}
// === LLDB TESTS ==================================================================================
// lldb-command:run
// lldb-command:v b
// lldb-check:(coroutine_objects::main::{coroutine_env#0}) b = { value = { _ref__a = 0x[...] } $discr$ = [...] }
// === CDB TESTS ===================================================================================
// cdb-command: g
// cdb-command: dx b
// cdb-check: b : Unresumed [Type: enum2$<coroutine_objects::main::coroutine_env$0>]
// cdb-check: [+0x[...]] _ref__a : 0x[...] : 5 [Type: int *]
// cdb-command: g
// cdb-command: dx b
// cdb-check: b : Suspend0 [Type: enum2$<coroutine_objects::main::coroutine_env$0>]
// cdb-check: [+0x[...]] c : 6 [Type: int]
// cdb-check: [+0x[...]] d : 7 [Type: int]
// cdb-check: [+0x[...]] _ref__a : 0x[...] : 5 [Type: int *]
// cdb-command: g
// cdb-command: dx b
// cdb-check: b : Suspend1 [Type: enum2$<coroutine_objects::main::coroutine_env$0>]
// cdb-check: [+0x[...]] c : 7 [Type: int]
// cdb-check: [+0x[...]] d : 8 [Type: int]
// cdb-check: [+0x[...]] _ref__a : 0x[...] : 6 [Type: int *]
// cdb-command: g
// cdb-command: dx b
// cdb-check: b : Returned [Type: enum2$<coroutine_objects::main::coroutine_env$0>]
// cdb-check: [+0x[...]] _ref__a : 0x[...] : 6 [Type: int *]
#![feature(omit_gdb_pretty_printer_section, coroutines, coroutine_trait, stmt_expr_attributes)]
#![omit_gdb_pretty_printer_section]
use std::ops::Coroutine;
use std::pin::Pin;
fn main() {
let mut a = 5;
let mut b = #[coroutine]
|| {
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() {
()
}