一、管路计算类型与基本方法 二、简单管路的计算 三、复杂管路的计算 四、阻力对管内流动的影响

一、语义处理的抽象描述。 二、作用：自动实现语法和语义检查 三、分类：

一、运行时存储空间的结构和分配 二、过程活动记录AR 三、运行时变量的访问

1. 小语言Micro的定义 2. Micro程序的编译过程 3. 表达式的处理

一、几个基本概念 二、编译器的工作过程概述 三、编译器各个阶段的功能描述 四、编译程序的实现途径

Main Purpose Study an algorithm: – Translating a regular expression into a DFA via NFA

The Function of a Scanner Reading characters from the source code and form them into logical units called tokens Tokens are logical entities defined as an enumerated type – Typedef enum {IF, THEN, ELSE, PLUS, MINUS, NUM, ID,…} TokenType;

Function of a Parser Takes the sequence of tokens produced by the scanner as its input and produces the syntax tree as its output. Parser Sequence of tokens Syntax-Tree

Attributes – Any property of a programming language construct such as The data type of a variable The value of an expression The location of a variable in memory

中央电大：《计算机组成原理》课程教学资源（PPT课件讲稿）教学辅导