第一个C编译器是如何写的？ [英] How was the first C compiler written?

问题描述

这是真的，第一个C编译器是用C编写的本身呢？那么，如何在它执行和编译？或者说，是该编译器用汇编语言写的？

Is it true that the first C compiler was written in C itself? Then, how was it executed and compiled? Or, was this compiler written in assembly language?

推荐答案

http://cm.bell-labs.com/who/dmr/chist.html > C语言的历史丹尼斯里奇的书面记录。

It is described pretty well in Dennis Ritchie's writeup of the C language history.

捐赠只是一个他写的东西有总结，用他的文章的精细度。下开始与BCPL语言，肯·汤姆森曾获得它一个编译器，他们的通用电气635主框架上运行。不满的语言，使用汤姆逊BCPL写为B语言，一种革命性的一步超越BCPL是去掉一些技术问题BCPL编译器。

Giving just a summary of what he wrote there, use his article for the finer details. C started with the BCPL language, Ken Thomson had access to a compiler for it that ran on their General Electrics 635 main frame. Unhappy with the language, Thomson used BCPL to write a compiler for the B language, an evolutionary step beyond BCPL that removed some of the technical problems in BCPL.

他们用B到创建他们的PDP-7小型机方案，虽然其中大多数是多一点玩具程序，机器已经十分受限制的硬件功能。此前采取的一项重要步骤是重写对B编译器B中本身。一个常见的​​引导步骤。

They used B to create programs on their PDP-7 minicomputer, although most of them were little more than toy programs, the machine had very restricted hardware capabilities. One important step taken by Thomson was to rewrite the B compiler in B itself. A common bootstrapping step.

这编译然后逐渐调整，通过称为NB（新泽西B）一种短暂的中间步骤开始类似C的PDP-11小型机是在于步骤器乐，给他们足够的空间，以改善语言和编译器。

That compiler was then gradually tweaked, through a short-lived intermediary step called NB (New B) to start resembling C. The PDP-11 minicomputer was instrumental in that step, giving them enough room to improve the language and compiler.

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