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Forked from Iris / Iris

5633 commits behind the upstream repository.

Merge branch 'auto-lock' into 'master'

Ralf Jung authored 8 years ago

Add locking to value-scope notation for lambdas

This attempts to hide all our locking machinery so that users don't have to care. To this end, `locked` is added to the value-scope notation for lambdas and recursive functions, and the tactics wp_rec and wp_lam are enhanced to unlock properly.

The main open question is: How can we figure out automatically what to unfold? The heuristic I cam up with fails in barrier_client because there, we have a value parameterized by something on the Coq level.

Maybe a more viable alternative would be to add locking to the coercion that embeds values into expressions?

Cc @robbertkrebbers @jjourdan

See merge request !34

5eba6f8a

5eba6f8a 8 years ago

Name	Last commit	Last update
algebra
base_logic
benchmark
docs
heap_lang
prelude
program_logic
proofmode
tests
.gitignore
.gitlab-ci.yml
CHANGELOG.md
LICENSE
LICENSE-CODE
LICENSE-DOCS
Makefile
ProofMode.md
README.md
_CoqProject
naming.txt
opam

IRIS COQ DEVELOPMENT

This is the Coq development of the Iris Project.

Prerequisites

This version is known to compile with:

Coq 8.5pl2
Ssreflect 1.6

For development, better make sure you have a version of Ssreflect that includes commit ad273277 (no such version has been released so far, you will have to fetch the development branch yourself). Iris compiles fine even without this patch, but proof bullets will only be in 'strict' (enforcing) mode with the fixed version of Ssreflect. If you are using opam, you can easily get a fixed version by running

opam pin add coq-mathcomp-ssreflect https://github.com/math-comp/math-comp.git#ad273277ab38bfe458e9332dea5f3a79e3885567

Building Instructions

Run the following command to build the full development:

make

The development can then be installed as the Coq user contribution iris by running:

make install

Structure

The folder prelude contains an extended "Standard Library" by Robbert Krebbers.
The folder algebra contains the COFE and CMRA constructions as well as the solver for recursive domain equations.
The folder base_logic defines the Iris base logic and the primitive connectives. It also contains derived constructions that are entirely independent of the choice of resources.
- The subfolder lib contains some generally useful derived constructions. Most importantly, it defines composeable dynamic resources and ownership of them; the other constructions depend on this setup.
The folder program_logic specializes the base logic to build Iris, the program logic. This includes weakest preconditions that are defined for any language satisfying some generic axioms, and some derived constructions that work for any such language.
The folder proofmode contains the Iris proof mode, which extends Coq with contexts for persistent and spatial Iris assertions. It also contains tactics for interactive proofs in Iris. Documentation can be found in ProofMode.md.
The folder heap_lang defines the ML-like concurrent heap language
- The subfolder lib contains a few derived constructions within this language, e.g., parallel composition. Most notable here is lib/barrier, the implementation and proof of a barrier as described in http://doi.acm.org/10.1145/2818638.
The folder tests contains modules we use to test our infrastructure. Users of the Iris Coq library should not depend on these modules; they may change or disappear without any notice.

Documentation

A LaTeX version of the core logic definitions and some derived forms is available in docs/iris.tex. A compiled PDF version of this document is available online.