# This module is dependent LLVM-3.3.
# Please install LLVM-3.3 before building.
wget https://llvm.org/releases/3.3/llvm-3.3.src.tar.gz
cd llvm-3.3.src && ./configure && make && make install

use Compiler::Lexer;
use Compiler::Parser;
use Compiler::CodeGenerator::LLVM;
my $filename = $ARGV[0];
open(my $fh, "<", $filename) or die("$filename is not found.");
my $script = do { local $/; <$fh> };
my $lexer = Compiler::Lexer->new($filename);
my $tokens = $lexer->tokenize($script);
my $parser = Compiler::Parser->new();
my $ast = $parser->parse($tokens);
my $generator = Compiler::CodeGenerator::LLVM->new();    
my $llvm_ir = $generator->generate($ast); # generate LLVM-IR
$generator->debug_run($ast); # execute LLVM-IR with JIT