nobody1986 / rubi

Ruby-like high-performance script programming language with JIT compiler

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Rubi

Rubi is a high-level, high-performance script programming language, with syntax that is familiar to users of Ruby. Rubi is implemented via just-in-time compilation.

Syntax

Anyone who is familiar to Ruby programming language should learn Rubi quickly. Sample programs can be found in the directory progs.

  • Syntax
# Statement => write in the function.

# output the string and number
# puts is output and \n
# output is output only.
puts "Hello world!!" # => Hello world!!\n
puts "number = ", 65536 # => number = 65536\n
output "not new line" # => not new line

# declaration is not required
# support only integer
i = 10
i = i + 43
i = i % 5
i = i - 32
sum = i * (12 / 5)
12 / 5 # => 2

# loop and if
for i = 1, i < 100, i = i + 1
    if i % 15 == 0
        puts "fizzbuzz"
    elsif i % 5 == 0
        puts "buzz"
    elsif i % 3 == 0
        puts "fizz"
    else
        puts i
    end
end

# create function
# return is not support...
def sum(n)
    sm = 0
    for = 1, i <= n, i = i + 1
        sm = sm + i
    end
    sm
end
  • Implement Fibonacci in Rubi:
def fib(n)
    if n < 2
        n
    else
        fib(n - 1) + fib(n - 2)
    end
end

puts fib(39)

Licensing

Rubi is freely redistributable under the two-clause BSD License. Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.

Portability

The compiler and JIT is highly dependant on the Intel x86 Instruction Set Architecture (ISA) and Linux style calling convention.

Quick Start

  • Install development packages for Ubuntu Linux Ubuntu 14.04 LTS:
sudo apt-get install gcc-multilib libc6-dev-i386
  • Build and run
$ make
$ ./rubi [filename]

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Ruby-like high-performance script programming language with JIT compiler

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