5d530b7491
* feat: register MAX and MIN macros for stdint types Adds MAX and MIN for each INT<N> type and MAX for each UINT<N> type. These are macros defined by stdint.h and are sometimes useful for bounds determinations and conversions and such. * feat: make MAX and MIN interfaces Since several numeric types define maximum and minimum values, it makes sense for these to be defined as interfaces. This commit also makes existing definitions of MAX and MIN for Carp's numeric types implement the interfaces. * fix: respect let binding shadowing in memory management (#1413) * fix: respect let binding shadowing in memory management Previously, we didn't account for shadowing in let bindings in our memory management routines. This led to rare situations in which multiple deleters might be added for a single variable name, for example: ```clojure (defn n [xs] (let [xs [1 2 3] n &xs] n)) ``` The borrow checker would fail on this code since it would assign `xs` two deleters, one for the untyped argument and another for the let binding. Instead, we now perform *exclusive* ownership transfer for the duration of the let scope--when a shadow is introduced, the previous deleters for that variable name are dropped until the end of the let scope, since we evaluate all instances of the shadowed name to the more local binding. At the end of the let scope, the original deleter is restored. Fixes issue #597 * refactor: improved dead reference error for let Since let scopes resolve to their bodies, we can report the body of the let as the xobj producing an error when a dead reference is returned. * test: update error message for dead refs in let * test: add regression test for issue #597 Ensure we don't regress and fail to manage memory when let bindings shadow function argument names. * fix: respect symbol modes on interface concretization (#1415) * fix: respect symbol modes on interface concretization When concretizing interfaces (finding the appropriate implementation at a call site) we previously set the lookup mode of all such resolved symbols to CarpLand AFunction. This incorrectly overwrites the lookup mode of Externally registered types, causing them to emit incorrect C when the user specifies an override. We now preserve whatever lookup mode is assigned to the implementation the concretization resolves the interface to. This not only fixes the external override emission issue, but should be more correct in general. fixes #1414 * test: add regression test for issue #1414 |
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| .github | ||
| app | ||
| bench | ||
| core | ||
| docs | ||
| docs-html | ||
| examples | ||
| headerparse | ||
| resources | ||
| scripts | ||
| src | ||
| test | ||
| .build.yml | ||
| .clang-format | ||
| .dir-locals.el | ||
| .gitignore | ||
| .travis.yml | ||
| CarpHask.cabal | ||
| CHANGELOG.md | ||
| default.nix | ||
| LICENSE | ||
| LUA_LICENSE | ||
| README.md | ||
| Setup.hs | ||
| stack.yaml | ||
Carp
WARNING! This is a research project and a lot of information here might become outdated and misleading without any explanation. Don't use it for anything important just yet!
Version 0.5.4 of the language is out!
About
Carp is a programming language designed to work well for interactive and performance sensitive use cases like games, sound synthesis and visualizations.
The key features of Carp are the following:
- Automatic and deterministic memory management (no garbage collector or VM)
- Inferred static types for great speed and reliability
- Ownership tracking enables a functional programming style while still using mutation of cache-friendly data structures under the hood
- No hidden performance penalties – allocation and copying are explicit
- Straightforward integration with existing C code
- Lisp macros, compile time scripting and a helpful REPL
Learn more
- The Compiler Manual - how to install and use the compiler
- Carp Language Guide - syntax and semantics of the language
- Core Docs - documentation for our standard library
A Very Small Example
(load-and-use SDL)
(defn tick [state]
(+ state 10))
(defn draw [app rend state]
(bg rend &(rgb (/ @state 2) (/ @state 3) (/ @state 4))))
(defn main []
(let [app (SDLApp.create "The Minimalistic Color Generator" 400 300)
state 0]
(SDLApp.run-with-callbacks &app SDLApp.quit-on-esc tick draw state)))
For instructions on how to run Carp code, see this document.
For more examples, check out the examples directory.
Maintainers
Contributing
Thanks to all the awesome people who have contributed to Carp over the years!
We are always looking for more help – check out the contributing guide to get started.
License
Copyright 2016 - 2021 Erik Svedäng
Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
The regular expression implementation as found in src/carp_regex.h are Copyright (C) 1994-2017 Lua.org, PUC-Rio under the terms of the MIT license. Details can be found in the License file LUA_LICENSE.