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Reia is a Ruby/Python-like language for BEAM, the Erlang VM
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Narnach/reia
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= Reia Welcome to Reia (pronounced RAY-uh), a Ruby/Python-like scripting language for the Erlang virtual machine (BEAM). == Installation Reia cannot presently be installed in the traditional sense. Instead, programs must presently be executed from the toplevel directory of the Reia distribution. Reia also depends on a working Erlang installation, and requires a minimum Erlang version of R12B-3 (5.6.3). The latest version of Erlang is available here: http://www.erlang.org/download.html == Usage Reia provides three ways to execute programs: * The Reia interpreter, located in bin/reia. This runs Reia programs from the command line without needing to compile them first. * The interactive Reia interpreter, located in bin/ire. This provides an interactive environment (a read-eval-print loop) for running Reia programs, or just exploring the language. * The Reia compiler, located in bin/reiac. This compiles Reia to .beam files which may be used in conjunction with Erlang code. The main use of the Reia compiler is for compiling the self-hosted parts of Reia itself. Programs compiled with it are more limited than ones run with the standard Reia interpreter. == Compiling Reia To compile Reia, you will need a working installation of Erlang (at least R12B-3) as well as the "rake" tool. Instructions for installing Rake are available at: http://rake.rubyforge.org/ Once you've installed rake, type: rake under the Reia source tree to build Reia. == Implementation Here's some thoroughly interesting implementation trivia about Reia: * Leex-based scanner (with second pass for indentation sensitivity) * Yecc-based grammar * Compiler transforms Reia abstract forms to Erlang abstract forms or BEAM bytecode * Partly self-hosted: most core Reia types are written in Reia == Programming Reia Reia is under active development and therefore changing constantly. For the most up-to-date information on how to program in Reia, consult the Wiki: http://wiki.reia-lang.org/
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Reia is a Ruby/Python-like language for BEAM, the Erlang VM
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