diff options
Diffstat (limited to 'src/test/debuginfo/generator-objects.rs')
-rw-r--r-- | src/test/debuginfo/generator-objects.rs | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/src/test/debuginfo/generator-objects.rs b/src/test/debuginfo/generator-objects.rs new file mode 100644 index 000000000..d6d7e5b44 --- /dev/null +++ b/src/test/debuginfo/generator-objects.rs @@ -0,0 +1,103 @@ +// 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}) $3 = + +// === CDB TESTS =================================================================================== + +// cdb-command: g +// cdb-command: dx b +// cdb-check: b : Unresumed [Type: enum$<generator_objects::main::generator_env$0>] +// cdb-check: [variant] : Unresumed +// cdb-check: [+0x[...]] _ref__a : 0x[...] : 5 [Type: int *] + +// cdb-command: g +// cdb-command: dx b +// cdb-check: b : Suspend0 [Type: enum$<generator_objects::main::generator_env$0>] +// cdb-check: [variant] : Suspend0 +// cdb-check: [+0x[...]] c : 6 [Type: int] +// cdb-check: [+0x[...]] d : 7 [Type: int] +// cdb-check: [+0x[...]] _ref__a : 0x[...] : 5 [Type: int *] + +// cdb-command: g +// cdb-command: dx b +// cdb-check: b : Suspend1 [Type: enum$<generator_objects::main::generator_env$0>] +// cdb-check: [variant] : Suspend1 +// cdb-check: [+0x[...]] c : 7 [Type: int] +// cdb-check: [+0x[...]] d : 8 [Type: int] +// cdb-check: [+0x[...]] _ref__a : 0x[...] : 6 [Type: int *] + +// cdb-command: g +// cdb-command: dx b +// cdb-check: b : Returned [Type: enum$<generator_objects::main::generator_env$0>] +// cdb-check: [<Raw View>] [Type: enum$<generator_objects::main::generator_env$0>] +// cdb-check: [variant] : Returned +// 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() { + () +} |