Skip to content


Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

51 lines (33 sloc) 1.127 kb
= Yapsi -- Yet Another Perl Six Implementation
This is an implementation of a Perl 6 compiler-and-runtime in Perl 6. It
currently runs off the old, pre-refactor branch of Rakudo known as 'alpha'.
Right now you can do things like this:
$ ./yapsi -e 'say 42'
$ ./yapsi -e 'my $a = 5; say $a'
$ ./yapsi -e 'my $a = 5; my $b := $a; $b = 42; say $a'
In other words, Yapsi currently handles declaration, assignment, binding,
and a very basic 'say' instruction.
The compiler also detects use-before-declaration and syntax errors.
$ ./yapsi -e '$a; my $a'
Invalid. $a not declared before use
$ ./yapsi -e 'say say'
Could not parse
== Near-future directions
Things we hope to implement in the immediate future:
* Blocks
* If statements
* Loops
* Function calls
== Raison d'être
Besides being useful as a p6-in-p6 implementation, Yapsi also might work as
a fast vehicle for exploring the following underexplored areas of the Perl 6
* Phasers
* Constant folding
* Early catching of errors
* Increased communication between compiler and runtime
== License
Yapsi is released under Artistic 2.0. See LICENSE.
Jump to Line
Something went wrong with that request. Please try again.