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Merge pull request #19035 from hvitved/rust/type-inference-path-limit

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Rust: Limit `TypePath`s to at most length 10
This commit is contained in:
Tom Hvitved
2025-03-17 12:01:31 +01:00
committed by GitHub
parent 43a03de195 dfc39272b4
commit 0e3907b2a8
5 changed files with 78 additions and 1 deletions
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2
rust/ql/test/library-tests/type-inference/CONSISTENCY/ExtractionConsistency.expected Normal file
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@@ -0,0 +1,2 @@
extractionWarning
| loop/main.rs:1:1:1:1 | semantic analyzer unavailable (not included as a module) |

14
rust/ql/test/library-tests/type-inference/loop/main.rs Normal file
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@@ -0,0 +1,14 @@
// The code in this file is not valid Rust code, but it is used to test that
// our type inference implementation does not run into an infinite loop.
struct S<T>(T);
trait T1<T>: T2<S<T>> {
fn foo(self) {}
}
trait T2<T>: T1<S<T>> {
fn bar(self) {
self.foo()
}
}

1
rust/ql/test/library-tests/type-inference/loop/options.yml Normal file
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@@ -0,0 +1 @@
qltest_cargo_check: false

39
rust/ql/test/library-tests/type-inference/type-inference.expected
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@@ -1,4 +1,42 @@
inferType
| loop/main.rs:7:12:7:15 | SelfParam | | loop/main.rs:6:1:8:1 | trait T1 |
| loop/main.rs:7:12:7:15 | SelfParam | T | loop/main.rs:6:10:6:10 | T |
| loop/main.rs:11:12:11:15 | SelfParam | | loop/main.rs:6:1:8:1 | trait T1 |
| loop/main.rs:11:12:11:15 | SelfParam | | loop/main.rs:10:1:14:1 | trait T2 |
| loop/main.rs:11:12:11:15 | SelfParam | T | loop/main.rs:4:1:4:15 | struct S |
| loop/main.rs:11:12:11:15 | SelfParam | T | loop/main.rs:10:10:10:10 | T |
| loop/main.rs:11:12:11:15 | SelfParam | T.T | loop/main.rs:4:1:4:15 | struct S |
| loop/main.rs:11:12:11:15 | SelfParam | T.T | loop/main.rs:10:10:10:10 | T |
| loop/main.rs:11:12:11:15 | SelfParam | T.T.T | loop/main.rs:4:1:4:15 | struct S |
| loop/main.rs:11:12:11:15 | SelfParam | T.T.T.T | loop/main.rs:4:1:4:15 | struct S |
| loop/main.rs:11:12:11:15 | SelfParam | T.T.T.T | loop/main.rs:10:10:10:10 | T |
| loop/main.rs:11:12:11:15 | SelfParam | T.T.T.T.T | loop/main.rs:4:1:4:15 | struct S |
| loop/main.rs:11:12:11:15 | SelfParam | T.T.T.T.T.T | loop/main.rs:4:1:4:15 | struct S |
| loop/main.rs:11:12:11:15 | SelfParam | T.T.T.T.T.T | loop/main.rs:10:10:10:10 | T |
| loop/main.rs:11:12:11:15 | SelfParam | T.T.T.T.T.T.T | loop/main.rs:4:1:4:15 | struct S |
| loop/main.rs:11:12:11:15 | SelfParam | T.T.T.T.T.T.T.T | loop/main.rs:4:1:4:15 | struct S |
| loop/main.rs:11:12:11:15 | SelfParam | T.T.T.T.T.T.T.T | loop/main.rs:10:10:10:10 | T |
| loop/main.rs:11:12:11:15 | SelfParam | T.T.T.T.T.T.T.T.T | loop/main.rs:4:1:4:15 | struct S |
| loop/main.rs:11:12:11:15 | SelfParam | T.T.T.T.T.T.T.T.T.T | loop/main.rs:4:1:4:15 | struct S |
| loop/main.rs:11:12:11:15 | SelfParam | T.T.T.T.T.T.T.T.T.T | loop/main.rs:10:10:10:10 | T |
| loop/main.rs:12:9:12:12 | self | | loop/main.rs:6:1:8:1 | trait T1 |
| loop/main.rs:12:9:12:12 | self | | loop/main.rs:10:1:14:1 | trait T2 |
| loop/main.rs:12:9:12:12 | self | T | loop/main.rs:4:1:4:15 | struct S |
| loop/main.rs:12:9:12:12 | self | T | loop/main.rs:10:10:10:10 | T |
| loop/main.rs:12:9:12:12 | self | T.T | loop/main.rs:4:1:4:15 | struct S |
| loop/main.rs:12:9:12:12 | self | T.T | loop/main.rs:10:10:10:10 | T |
| loop/main.rs:12:9:12:12 | self | T.T.T | loop/main.rs:4:1:4:15 | struct S |
| loop/main.rs:12:9:12:12 | self | T.T.T.T | loop/main.rs:4:1:4:15 | struct S |
| loop/main.rs:12:9:12:12 | self | T.T.T.T | loop/main.rs:10:10:10:10 | T |
| loop/main.rs:12:9:12:12 | self | T.T.T.T.T | loop/main.rs:4:1:4:15 | struct S |
| loop/main.rs:12:9:12:12 | self | T.T.T.T.T.T | loop/main.rs:4:1:4:15 | struct S |
| loop/main.rs:12:9:12:12 | self | T.T.T.T.T.T | loop/main.rs:10:10:10:10 | T |
| loop/main.rs:12:9:12:12 | self | T.T.T.T.T.T.T | loop/main.rs:4:1:4:15 | struct S |
| loop/main.rs:12:9:12:12 | self | T.T.T.T.T.T.T.T | loop/main.rs:4:1:4:15 | struct S |
| loop/main.rs:12:9:12:12 | self | T.T.T.T.T.T.T.T | loop/main.rs:10:10:10:10 | T |
| loop/main.rs:12:9:12:12 | self | T.T.T.T.T.T.T.T.T | loop/main.rs:4:1:4:15 | struct S |
| loop/main.rs:12:9:12:12 | self | T.T.T.T.T.T.T.T.T.T | loop/main.rs:4:1:4:15 | struct S |
| loop/main.rs:12:9:12:12 | self | T.T.T.T.T.T.T.T.T.T | loop/main.rs:10:10:10:10 | T |
| main.rs:5:19:5:22 | SelfParam | | main.rs:2:5:2:21 | struct Foo |
| main.rs:5:33:7:9 | { ... } | | main.rs:2:5:2:21 | struct Foo |
| main.rs:6:13:6:16 | self | | main.rs:2:5:2:21 | struct Foo |
@@ -783,6 +821,7 @@ inferType
| main.rs:582:11:582:20 | ...::Foo {...} | | main.rs:2:5:2:21 | struct Foo |
| main.rs:582:23:582:32 | ...::Foo {...} | | main.rs:2:5:2:21 | struct Foo |
resolveMethodCallExpr
| loop/main.rs:12:9:12:18 | self.foo(...) | loop/main.rs:7:5:7:19 | fn foo |
| main.rs:23:9:23:14 | x.m1(...) | main.rs:5:9:7:9 | fn m1 |
| main.rs:24:9:24:14 | y.m2(...) | main.rs:9:9:11:9 | fn m2 |
| main.rs:67:26:67:31 | x.m2(...) | main.rs:52:9:54:9 | fn m2 |