Fields with the same name in different classes collide
维护者通常 2 天内回复
还没有人认领这个 Issue。
评估
调研方向
Reproduce the failure with the minimal Collision example, then inspect field handling in OperationsChecker and RefinementTypeChecker.visitCtFieldRead. Trace how field reads and writes are keyed in the context, including the declaring class and target expression. Done means the example verifies successfully and similarly named fields retain their distinct refinements.
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描述
Description
Fields are keyed in the context by name only (this#<name>), whatever class owns them and whatever the target expression is. Two fields with the same name in different classes (e.g. an outer class and a nested class) are treated as the same variable, so one is checked against the other's refinement.
Minimal reproducer
import liquidjava.specification.Refinement;
public class Collision {
@Refinement("_ < 0") int port = -1;
private final Job job = new Job();
public void send() { job.port = 5; }
static class Job { @Refinement("_ >= 0") int port; }
}
Expected
Correct! Passed Verification. (Job.port is _ >= 0.)
Actual
Refinement Error: this#port⁴ == 5 is not a subtype of this#port⁴ < 0
5 | public void send() { job.port = 5; }
| ^^^^^^^^^^^^^
The write to job.port is checked against Collision.port's refinement.
Cause
Field reads and writes use String.format(Formats.THIS, fieldName) (e.g. OperationsChecker, RefinementTypeChecker.visitCtFieldRead), with no owning class or target object. A fix would need to key fields by their declaring type, and ideally separate instances (this.port vs job.port).
Reproduced on main at fbfb4e23 (liquidjava-verifier 0.0.35).
- 主要语言
- Java
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- 67
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