Overview
-Fiddle is a small programming language inspired by various languages, designed to help learn language implementation concepts in Rust.
+fddl is a small programming language inspired by various languages, designed to help learn language implementation concepts in Rust.
I have, off and on throughout the last 15 or so years attempted to learn a programming language of some sort. I could always get through the basics, but would get stuck with any real-world projects. And I wouldn't know who to turn to even if I knew where to start.
So I started learning Rust and really like it. I've been following some tutorials and the Crafting Interpreters site as guides for this very problematic programming language.
I like aspects of so many programming languages, but I don't really like any of them, so I always found it hard to pick one and stick with it. But I had the same problem playing World of Warcraft, too.
So I, like many of you, decided to make a hobby programming language to see what may be able to be done with it.
++
The fact that I have a REPL working in this language is nothing short of amazing to me. It's fucking magic.
Features
-
-
- Custom syntax with unique operators and keywords +
- Custom syntax with unique (and possibly deranged) operators and keywords
- Documentation comments using
#
, similar to Rust's style - Lexer and parser built from scratch in Rust
Getting Started
To run the REPL:
cargo run
- To run a fiddle script:
+To run a fddl script:
cargo run path/to/script.fddl
Examples
@@ -155,27 +158,30 @@ print(`The square of $number is ${math.square($number)}`);Notes and Next Steps
-
-
- Added first new set of tokens and features, added the first lexer tests. +
- Added first new set of tokens and features, added the first
lexer
tests. -
parser
module is a placeholder. -
interpreter
module is a placeholder. - Implement a more robust error handling mechanism instead of using
stderr
. - Implement string interpolation (backticks with
$variable
) - Continue to expand tests to cover all new syntax and features. +
- Made a crappy website.
Running the Project
Make sure your project compiles and the tests pass:
-cargo build
+
+cargo build
cargo test
-
+
+ Although there's not much there right now. But the REPL works!