viperproject / viperproject/silver
Ensures-clauses for predicates
Open
Nobody has claimed this yet.
enhancement
major
- Dominant language
- Scala
- Stars
- 100
- Forks
- 53
- Avg merge
- 8h 10m
- Merged PRs (30d)
- 2
Description
Created by @mschwerhoff on 2015-01-29 17:37
We should have ensures-clauses for predicates, for example:
predicate Cell(x)
ensures x != null
{ acc(x.val) }
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
The issue provides no file, test, or entry point. Start by locating how predicates are parsed and verified in Silver, then trace the example predicate with an ensures clause. Done should include support for predicate ensures clauses and coverage for the shown non-null assertion.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- scala
- Domain
- compilers
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100