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649b6323cd
Don't copy bytecode files into the incr. comp. cache. It's no longer necessary now that bitcode is embedded into object files. This change meant that `WorkProductFileKind::Bytecode` is no longer necessary, which means that type is no longer necessary, which allowed several places in the code to become simpler. This commit was written by @nnethercote in https://github.com/rust-lang/rust/pull/70458 but that didn't land. In the meantime though we managed to land it in https://github.com/rust-lang/rust/pull/71528 and that doesn't seem to be causing too many fires, so I'm re-sending this patch!
86 lines
2.8 KiB
Rust
86 lines
2.8 KiB
Rust
pub mod debug;
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mod dep_node;
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mod graph;
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mod prev;
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mod query;
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mod serialized;
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pub use dep_node::{DepNode, DepNodeParams, WorkProductId};
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pub use graph::{hash_result, DepGraph, DepNodeColor, DepNodeIndex, TaskDeps, WorkProduct};
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pub use prev::PreviousDepGraph;
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pub use query::DepGraphQuery;
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pub use serialized::{SerializedDepGraph, SerializedDepNodeIndex};
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use rustc_data_structures::profiling::SelfProfilerRef;
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use rustc_data_structures::sync::Lock;
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use rustc_data_structures::thin_vec::ThinVec;
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use rustc_errors::Diagnostic;
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use std::fmt;
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use std::hash::Hash;
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pub trait DepContext: Copy {
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type DepKind: self::DepKind;
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type StableHashingContext;
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/// Create a hashing context for hashing new results.
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fn create_stable_hashing_context(&self) -> Self::StableHashingContext;
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fn debug_dep_tasks(&self) -> bool;
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fn debug_dep_node(&self) -> bool;
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/// Try to force a dep node to execute and see if it's green.
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fn try_force_from_dep_node(&self, dep_node: &DepNode<Self::DepKind>) -> bool;
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/// Return whether the current session is tainted by errors.
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fn has_errors_or_delayed_span_bugs(&self) -> bool;
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/// Return the diagnostic handler.
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fn diagnostic(&self) -> &rustc_errors::Handler;
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/// Load data from the on-disk cache.
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fn try_load_from_on_disk_cache(&self, dep_node: &DepNode<Self::DepKind>);
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/// Load diagnostics associated to the node in the previous session.
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fn load_diagnostics(&self, prev_dep_node_index: SerializedDepNodeIndex) -> Vec<Diagnostic>;
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/// Register diagnostics for the given node, for use in next session.
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fn store_diagnostics(&self, dep_node_index: DepNodeIndex, diagnostics: ThinVec<Diagnostic>);
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/// Register diagnostics for the given node, for use in next session.
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fn store_diagnostics_for_anon_node(
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&self,
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dep_node_index: DepNodeIndex,
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diagnostics: ThinVec<Diagnostic>,
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);
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/// Access the profiler.
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fn profiler(&self) -> &SelfProfilerRef;
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}
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/// Describe the different families of dependency nodes.
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pub trait DepKind: Copy + fmt::Debug + Eq + Ord + Hash {
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const NULL: Self;
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/// Return whether this kind always require evaluation.
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fn is_eval_always(&self) -> bool;
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/// Return whether this kind requires additional parameters to be executed.
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fn has_params(&self) -> bool;
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/// Implementation of `std::fmt::Debug` for `DepNode`.
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fn debug_node(node: &DepNode<Self>, f: &mut fmt::Formatter<'_>) -> fmt::Result;
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/// Execute the operation with provided dependencies.
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fn with_deps<OP, R>(deps: Option<&Lock<TaskDeps<Self>>>, op: OP) -> R
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where
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OP: FnOnce() -> R;
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/// Access dependencies from current implicit context.
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fn read_deps<OP>(op: OP) -> ()
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where
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OP: for<'a> FnOnce(Option<&'a Lock<TaskDeps<Self>>>) -> ();
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fn can_reconstruct_query_key(&self) -> bool;
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}
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