hohn/codeql
1
0
Fork 0
mirror of https://github.com/github/codeql.git synced 2026-04-30 19:26:02 +02:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #9545 from igfoo/igfoo/type_cycles

Browse Source 
Java: Fix RefType.getAStrictAncestor() in the presence of type hierarchy cycles
This commit is contained in:
Ian Lynagh
2022-07-12 14:28:54 +01:00
committed by GitHub
parent d0bf424b19 b524fb4f3a
commit a0636ff843
4 changed files with 19 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
java/ql/lib/semmle/code/java/Type.qll
View File

@@ -413,8 +413,12 @@ class RefType extends Type, Annotatable, Modifiable, @reftype {
/** Gets a direct or indirect supertype of this type, including itself. */
RefType getAnAncestor() { hasDescendant(result, this) }
/** Gets a direct or indirect supertype of this type, not including itself. */
RefType getAStrictAncestor() { result = this.getAnAncestor() and result != this }
/**
* Gets a direct or indirect supertype of this type.
* This does not including itself, unless this type is part of a cycle
* in the type hierarchy.
*/
RefType getAStrictAncestor() { result = this.getASupertype().getAnAncestor() }
/**
* Gets the source declaration of a direct supertype of this type, excluding itself.