Module load 

Code to load the dep-graph from files.

Re-exports

use std::io; 🔒

use std::path::PathBuf; 🔒

use std::sync::Arc; 🔒

use rustc_data_structures::unord::UnordMap; 🔒

use rustc_hashes::Hash64; 🔒

use rustc_middle::dep_graph::DepGraph; 🔒

use rustc_middle::dep_graph::SerializedDepGraph; 🔒

use rustc_middle::dep_graph::WorkProductMap; 🔒

use rustc_middle::query::on_disk_cache::OnDiskCache; 🔒

use rustc_serialize::opaque::FileEncoder; 🔒

use rustc_serialize::opaque::MemDecoder; 🔒

use rustc_serialize::Decodable; 🔒

use rustc_serialize::Encodable; 🔒

use rustc_session::config::IncrementalStateAssertion; 🔒

use rustc_session::IncrCompSession; 🔒

use rustc_session::Session; 🔒

use rustc_session::StableCrateId; 🔒

use rustc_span::Symbol; 🔒

use tracing::debug; 🔒

use tracing::warn; 🔒

use super::file_format; 🔒

use crate::diagnostics; 🔒

use crate::persist::file_format::OpenFile; 🔒

use crate::persist::file_format::OpenFileError; 🔒

use super::data::*; 🔒

use super::fs::*; 🔒

Enums

LoadResult 🔒

Represents the result of an attempt to load incremental compilation data.

Functions

load_dep_graph 🔒

load_query_result_cache

Attempts to load the query result cache from disk

maybe_assert_incr_state 🔒

Emits a fatal error if the assertion in -Zassert-incr-state doesn’t match the outcome of trying to load previous-session state.

setup_dep_graph

Loads the previous session’s dependency graph from disk if possible, and sets up streaming output for the current session’s dep graph data into an incremental session directory.