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unwind on cancel
This commit is contained in:
parent
c2b8aa1ce5
commit
cf20ecae9f
3 changed files with 20 additions and 11 deletions
8
Cargo.lock
generated
8
Cargo.lock
generated
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@ -661,7 +661,7 @@ dependencies = [
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"ra_syntax 0.1.0",
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"relative-path 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"rustc-hash 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"salsa 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"salsa 0.9.1",
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"test_utils 0.1.0",
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]
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@ -680,7 +680,7 @@ dependencies = [
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"ra_syntax 0.1.0",
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"relative-path 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"rustc-hash 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"salsa 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"salsa 0.9.1",
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"test_utils 0.1.0",
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]
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@ -700,7 +700,7 @@ dependencies = [
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"rayon 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
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"relative-path 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"rustc-hash 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"salsa 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"salsa 0.9.1",
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"test_utils 0.1.0",
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"unicase 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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@ -1030,7 +1030,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "salsa"
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version = "0.9.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"derive-new 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
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"indexmap 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
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@ -1587,7 +1586,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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"checksum rusty-fork 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "9591f190d2852720b679c21f66ad929f9f1d7bb09d1193c26167586029d8489c"
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"checksum ryu 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)" = "eb9e9b8cde282a9fe6a42dd4681319bfb63f121b8a8ee9439c6f4107e58a46f7"
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"checksum safemem 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8dca453248a96cb0749e36ccdfe2b0b4e54a61bfef89fb97ec621eb8e0a93dd9"
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"checksum salsa 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)" = "442ef4acdb48c0e24ddaf4f3b62555af2d1da7047f2f26acd54ae73010aa0c02"
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"checksum same-file 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "8f20c4be53a8a1ff4c1f1b2bd14570d2f634628709752f0702ecdd2b3f9a5267"
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"checksum scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "94258f53601af11e6a49f722422f6e3425c52b06245a5cf9bc09908b174f5e27"
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"checksum semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
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@ -7,3 +7,4 @@ debug = true
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[patch.'crates-io']
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cargo_metadata = { git = "https://github.com/oli-obk/cargo_metadata.git", rev="f73e27b24e" }
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salsa = { path = "/home/matklad/projects/salsa" }
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@ -5,6 +5,8 @@ mod input;
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mod loc2id;
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pub mod mock;
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use std::panic;
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use ra_syntax::{TextUnit, TextRange, SourceFile, TreePtr};
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pub use crate::{
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@ -18,13 +20,21 @@ pub use crate::{
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loc2id::LocationIntener,
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};
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pub trait BaseDatabase: salsa::Database {
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pub trait BaseDatabase: salsa::Database + panic::RefUnwindSafe {
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fn check_canceled(&self) -> Cancelable<()> {
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if self.salsa_runtime().is_current_revision_canceled() {
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Err(Canceled::new())
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} else {
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self.salsa_runtime()
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.unwind_if_current_revision_is_canceled();
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Ok(())
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}
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fn catch_canceled<F: FnOnce(&Self) -> T + panic::UnwindSafe, T>(
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&self,
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f: F,
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) -> Result<T, Canceled> {
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panic::catch_unwind(|| f(self)).map_err(|err| match err.downcast::<salsa::Canceled>() {
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Ok(_) => Canceled::new(),
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Err(payload) => panic::resume_unwind(payload),
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})
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}
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}
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