WIP: This is a work in progress, there is nothing working yet

Mangle

An exolang (A scripting programming language just for fun) without any reserved keywords that can run any utf8 compatible with more than 2 space separated words on it.

Installation

cargo install mangle

Python bindings

Python bindings are available for python > 3.7. You can install them with:

pip install mangle

Then you can get started evaluating mangle from python with:

import mangle
mangle.eval("cat is fat")
>> '5'

More info at: https://github.com/matheusfillipe/mangle/tree/master/python

How it works

There are only labels, variables and operators. All variables are globally scoped, there are no locals, classes or anything fancy. All variables are dynamically typed and shadowed.

Sentences

The only type of scope is sentences. Sentences are like english sentences, any text that comes before the punctuation marks: .,;:?!. All the other symbols will be interpreted as variable names, operators, labels, strings or numbers.

If a text has none of those punctuation marks it will run as a single sentence.

Sentence Labels

The label of a sentence is the last word before the punctuation mark except by the first sentence. Labels are the way to have subroutines on this language. They define a scope with a body that you can goto from any other subroutine.

The first sentence on the interpreted code is the equivalent of the main function in another languages, so it has no need for a label. If the first sentence doesn't call any function, all the others labels will execute in the order they are until you exit or jump to another label.

Data Types

The only types are strings, ints and stacks.

Int

The length of a word - 1 define its numerical value. For example "a" evaluates to 0 and "cat" to 2.

Strings

The words themselves can be also interpreted as strings. You can't easily build multiword strings like "a bird" though since that would read as: "a and bird" each as individual words.

Stacks

Strings themselves are a stack of ints that the interpreter itself decodes at runtime. You can add ints to a stack by adding to its variable.

WIP...

Operator

Operators are defined by the word's length. Here is the table of operators on this language

But then spaces are keywords heh?

Well... In some interpretation yes, I guess I lied then, sorry about it. You can still pass the -F argument to change the word separator (like field separator in awk) to any other character.