diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:03:36 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:03:36 +0000 |
commit | 17d40c6057c88f4c432b0d7bac88e1b84cb7e67f (patch) | |
tree | 3f66c4a5918660bb8a758ab6cda5ff8ee4f6cdcd /compiler/rustc_query_system/src/values.rs | |
parent | Adding upstream version 1.64.0+dfsg1. (diff) | |
download | rustc-f7f0cc2a5d72e2c61c1f6900e70eec992bea4273.tar.xz rustc-f7f0cc2a5d72e2c61c1f6900e70eec992bea4273.zip |
Adding upstream version 1.65.0+dfsg1.upstream/1.65.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'compiler/rustc_query_system/src/values.rs')
-rw-r--r-- | compiler/rustc_query_system/src/values.rs | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/compiler/rustc_query_system/src/values.rs b/compiler/rustc_query_system/src/values.rs new file mode 100644 index 000000000..aeef66f86 --- /dev/null +++ b/compiler/rustc_query_system/src/values.rs @@ -0,0 +1,14 @@ +use crate::dep_graph::DepContext; + +pub trait Value<CTX: DepContext>: Sized { + fn from_cycle_error(tcx: CTX) -> Self; +} + +impl<CTX: DepContext, T> Value<CTX> for T { + default fn from_cycle_error(tcx: CTX) -> T { + tcx.sess().abort_if_errors(); + // Ideally we would use `bug!` here. But bug! is only defined in rustc_middle, and it's + // non-trivial to define it earlier. + panic!("Value::from_cycle_error called without errors"); + } +} |