Allow choosing Polonius algorithm via environment variable POLONIUS_ALGORITHM.

This commit is contained in:
Vytautas Astrauskas 2018-05-30 17:17:37 +02:00
parent 2954cb5119
commit 1404c00eb0
4 changed files with 14 additions and 7 deletions

View File

@ -1456,10 +1456,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "polonius-engine"
version = "0.4.0"
version = "0.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"datafrog 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
"log 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
"rustc-hash 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
]
@ -1785,7 +1786,7 @@ dependencies = [
"jobserver 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
"lazy_static 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
"log 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
"polonius-engine 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
"polonius-engine 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
"proc_macro 0.0.0",
"rustc_apfloat 0.0.0",
"rustc_data_structures 0.0.0",
@ -2174,7 +2175,7 @@ dependencies = [
"graphviz 0.0.0",
"log 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
"log_settings 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
"polonius-engine 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
"polonius-engine 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
"rustc 0.0.0",
"rustc_apfloat 0.0.0",
"rustc_data_structures 0.0.0",
@ -3176,7 +3177,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
"checksum phf_generator 0.7.21 (registry+https://github.com/rust-lang/crates.io-index)" = "6b07ffcc532ccc85e3afc45865469bf5d9e4ef5bfcf9622e3cfe80c2d275ec03"
"checksum phf_shared 0.7.21 (registry+https://github.com/rust-lang/crates.io-index)" = "07e24b0ca9643bdecd0632f2b3da6b1b89bbb0030e0b992afc1113b23a7bc2f2"
"checksum pkg-config 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "3a8b4c6b8165cd1a1cd4b9b120978131389f64bdaf456435caa41e630edba903"
"checksum polonius-engine 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9385a6d8f8ff6fd7e48a803c6a77fb89cc929dc7e2af6bf972494bbc8ff8b9e4"
"checksum polonius-engine 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a5b6b0a7f5f4278b991ffd14abce1d01b013121ad297460237ef0a2f08d43201"
"checksum precomputed-hash 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "925383efa346730478fb4838dbe9137d2a47675ad789c546d150a6e1dd4ab31c"
"checksum pretty_assertions 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "3a029430f0d744bc3d15dd474d591bed2402b645d024583082b9f63bb936dac6"
"checksum proc-macro2 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "49b6a521dc81b643e9a51e0d1cf05df46d5a2f3c0280ea72bcb68276ba64a118"

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@ -16,7 +16,7 @@ graphviz = { path = "../libgraphviz" }
jobserver = "0.1"
lazy_static = "1.0.0"
log = { version = "0.4", features = ["release_max_level_info", "std"] }
polonius-engine = "0.4.0"
polonius-engine = "0.5.0"
proc_macro = { path = "../libproc_macro" }
rustc_apfloat = { path = "../librustc_apfloat" }
rustc_target = { path = "../librustc_target" }

View File

@ -15,7 +15,7 @@ either = "1.5.0"
graphviz = { path = "../libgraphviz" }
log = "0.4"
log_settings = "0.1.1"
polonius-engine = "0.4.0"
polonius-engine = "0.5.0"
rustc = { path = "../librustc" }
rustc_target = { path = "../librustc_target" }
rustc_data_structures = { path = "../librustc_data_structures" }

View File

@ -22,9 +22,11 @@ use rustc::ty::{self, RegionKind, RegionVid};
use rustc::util::nodemap::FxHashMap;
use std::collections::BTreeSet;
use std::fmt::Debug;
use std::env;
use std::io;
use std::path::PathBuf;
use std::rc::Rc;
use std::str::FromStr;
use transform::MirSource;
use util::liveness::{LivenessResults, LocalSet};
@ -156,9 +158,13 @@ pub(in borrow_check) fn compute_regions<'cx, 'gcx, 'tcx>(
}
if infcx.tcx.sess.opts.debugging_opts.polonius {
let algorithm = env::var("POLONIUS_ALGORITHM")
.unwrap_or(String::from("DatafrogOpt"));
let algorithm = Algorithm::from_str(&algorithm).unwrap();
info!("Using Polonius algorithm: {:?}", algorithm);
Some(Rc::new(Output::compute(
&all_facts,
Algorithm::DatafrogOpt,
algorithm,
false,
)))
} else {