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README.md
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README.md
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@ -9,10 +9,9 @@ is formatted correctly! ~~abb
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# AlexScript
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AlexScript (which is a misnomer; the language will soon be renamed
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since it's not actually a scripting language) is a programming
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language designed to have a functional feel and very high-level
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ergonomics while maintaining speed using strictly-controlled,
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AlexScript is a programming language designed to have the very
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high-level ergonomics and provable correctness of a purely functional
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language, while maintaining speed using strictly-controlled,
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deterministic memory management. The language is capable of compiling
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to C (and possibly other languages in the future), allowing for
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maximum portability without having to write a new backend for the
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@ -20,18 +19,25 @@ compiler for every possible target; also, the compiler and tooling
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will eventually be rewritten in AlexScript to allow for maximum
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portability.
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Syntactically, the language primarily resembles a mixture between
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standard ML and Rust; the language always ignores whitespace.
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AlexScript is a misnomer; the language is not actually a scripting
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language and will probably be renamed in the near future.
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## Example
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```
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// Calculates the nth fibonacci number.
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def fibonacci (0: U32) : U32 = 0
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| fibonacci 1 = 1
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| fibonacci n = fibonacci (n - 2) + fibonacci (n - 1);
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def fibonacci (n: U32) : U32 = match n {
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0 => 0,
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1 => 1,
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n => fibonacci (n - 2) + fibonacci (n - 1),
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};
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// Prompts the user for a number n, and prints the Fibonacci numbers up
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// to n.
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def fibPrompt
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= do {
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def fibPrompt = do {
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print "Enter a number: ";
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num <- read <$> getLine;
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sequence_ (print . fibonacci <$> (0 .. num));
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@ -49,12 +55,17 @@ Note that type annotations are always optional; here they're given for
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## Tools
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This repository contains the following tools:
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- `axc`, the AlexScript compiler. This can be used as a binary with a
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fairly standard compiler CLI, or as a library for use in other
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programs.
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- `axc-rs`, the Stage-1 AlexScript compiler, written in Rust. This can
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be used as a binary with a fairly standard compiler CLI, or as a
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library for use in other Rust programs.
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The following tools do not exist yet, but are planned:
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- `axci`, the interactive AlexScript interpreter.
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- `axc`, the main AlexScript compiler written in AlexScript. This
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program supports a superset of the behavior of `axc-rs`, and exposes
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a library that can be used by other AlexScript programs in addition
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to a the compiler CLI.
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- `axci`, the interactive AlexScript interpreter, a wrapper around
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`axc`.
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- `axcd`, the Language Server Protocol (LSP) server for AlexScript
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code support in editors, supporting definition peeking and lookup,
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renaming variables and modules, etc.
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