7shi’s gists

7shi / gist:4121619

Created November 20, 2012 22:15 — forked from bencz/gist:4115521

Basic compiler, generate PE EXE

	/*

	INPUT SAMPLE:

	VAR NUMBER = 25
	VAR STRING = "ALEX"
	VAR ERRO = "THAT's NOT CAUSE AN ERROR :)"
	PRINT ERRO
	PRINT "ALEXANDRE"
	PRINT NUMBER

7shi / main.cpp

Last active December 14, 2015 04:09 — forked from bencz/main.cpp

	#include <cstdio>
	#include <vector>
	#include <windows.h>

	using namespace std;

	class Buffer: public vector<unsigned char>
	{
	public:
	void push_dword(DWORD dw)

7shi / jit-mac.js

Last active August 29, 2015 14:04 — forked from shigemk2/jitmac-201408031818.js

[Node.js]JIT http://7shi.hateblo.jp/entry/2013/05/28/010517

	var ref = require("ref");
	var ffi = require("ffi");

	var libc = ffi.Library("libc", {
	"mmap": ["pointer", ["pointer", "size_t", "int", "int", "int", "int64"]],
	"munmap": ["int", ["pointer", "size_t"]],
	});

	var PROT_READ = 1;
	var PROT_WRITE = 2;

7shi / makeexe.2014091401.js

Last active August 29, 2015 14:06 — forked from shigemk2/makeexe.2014091401.js

	var fs = require("fs");

	function convLE(len, v) {
	var ret = "";
	for (var i = 0; i < len; ++i) {
	ret += String.fromCharCode(v & 0xff);
	v >>= 8;
	}
	return ret;
	}

7shi / param.cpp

Last active August 29, 2015 14:20 — forked from shigemk2/param.cpp

7shi / deep_cpy.cpp

Last active August 29, 2015 14:21 — forked from shigemk2/deep_cpy.cpp

7shi / AlgebraCalculation.scala

Last active August 29, 2015 14:23 — forked from shigemk2/AlgebraCalculation.scala

	sealed trait Expr
	case class N(n: Int) extends Expr
	case class Add(n: Expr*) extends Expr
	case class Mul(n: Expr*) extends Expr

	def str(e: Expr): String = e match {
	case N(x) => x.toString
	case Add() => ""
	case Add(x) => str(x)
	case Add(x, xs@_) => str(x) ++ "+" ++ str(Add(xs: _))

7shi / 11-233937.scala

Last active August 29, 2015 14:24 — forked from shigemk2/11-233937.scala

	sealed trait Expr
	case class N(n: Int) extends Expr
	case class Var(x: String, a: Int, n: Int) extends Expr
	case class Add(n: Expr*) extends Expr
	case class Mul(n: Expr*) extends Expr

	def add(xs: List[Expr]): Expr = xs match {
	case List() => N(0)
	case List(x) => x
	case _ => Add(xs.toArray: _*) // Add(WrappedArray(N(1), N(2), Var(x,2,2)))

7shi / AlgebraCalculation.scala

Last active August 29, 2015 14:24 — forked from shigemk2/AlgebraCalculation.scala

	sealed trait Expr
	case class N(n: Int) extends Expr
	case class Var(x: String, a: Int, n: Int) extends Expr
	case class Add(n: Expr*) extends Expr
	case class Mul(n: Expr*) extends Expr

	def x(a: Int, n: Int): Var = {
	Var("x", a, n)
	}

7shi / AlgebraCalculation.scala

Last active August 29, 2015 14:24 — forked from shigemk2/AlgebraCalculation.scala

	import scala.language.implicitConversions

	// R is derived from Rational with some fixes.
	// https://sites.google.com/site/scalajp/home/documentation/scala-by-example/chapter6

	case class R(n: Int, d: Int) extends Ordered[R] {
	private def gcd(x: Int, y: Int): Int = {
	if (x == 0) y
	else if (x < 0) gcd(-x, y)
	else if (y < 0) -gcd( x, -y)

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