一个小语言的词法分析程序

C编译器源码是我到处找来的,看了之后很有收获-C compiler source is found everywhere, and found the great harvest

一个flex和bison用法入门的很好的例子。　按照词法分析,语法分析,语义分析的顺序来熟悉flex和bison这两个有力的工具。最后给出了一个用flex做词法分析用bison做语法分析设计的科学计算器（不同于一般程序设计中的入门级计算器），是学习编译原理的很好的例子。-a flex and bison portal usage of a very good example. According lexical analysis, parsing, Semantic analysis of the sequence to flex and bison familiar with these two powerful tool. Finally, a use flex do lexical analysis bison do syntax analysis and design of scientific calculators (unlike General Program Design"s entry-level calculators), compiler theory is the study of good examples.

这是我们学习编译原理时做的一个程序. 是一个简单的词法分析程序.将一个文本文件时的推导规则进行.-This our compiler theory when learning to do a procedure. It is a simple lexical analysis procedure. A text file of the derivation rules.

词法分析程序设计- The lexical analyaer designs

语义分析的功能： 第一，审查每个语法结构的静态语义，即验证语法结构合法的程序是否真正有意义。有时把这个工作称为静态语义分析或静态审查。第二，如果静态语义正确，语义处理则要执行真正的翻译，即，或者将源程序翻译成程序的一种中间表示形式（中间代码），或者将源程序翻译成目标代码。 有报告-Semantic analysis of the functions: First, review each of the grammatical structure of the static semantics, that is, the grammatical structure to verify whether the procedures legally meaningful. Sometimes this is called static or static semantic analysis review. Secondly, if the correct static semantics, semantic processing should be the implementation of a genuine translation, that is, or will be translated into procedures source an intermediate representation (intermediate code), or source code translated into object code. There are reports

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编译原理的复习资料。里面包含着详细的复习资料。通过学习，过编译原理这门课应该是没问题了-Review of information compiled principle. Which contains a detailed review information. Through the study, had to compile this class should be the principle there is no problem

这是一个编译原理中词法分析的实验报告，内容挺完整-it is a test report about accidence analyse of complier principle,its context is full

1.1 引言 1.1.1 设计目的 本次课程设计是在完成一个学期的编译原理课程之后，为了进一步加深对编译原理相关知识的理解，培养实际解决问题的能力而进行的。结合本学期所开设的软件工程课程，本次课程设计实验过程要求按照软件工程的思想来组织开发过程，按照软件生命周期的阶段划分来进行。由于课程设计规模较小，所以对软件生命周期进行适当的合并，简化为五个阶段，即需求分析、总体设计、详细设计、编码实现和测试。 1.1.2 设计任务 针对本次课程设计我们设计了一个简化的pascal语言，称为mini-pascal。设计的任务就是开发出针对mini-pascal语言的编译程序。标准的编译程序结构分为五部分，分别是词法分析、语法分析、语义分析和中间代码生成、优化和目标代码生成。由于时间和能力所限，我们的编译程序只包括前三个部分，最后生成四元式形式的中间代码。 -1.1 Introduction 1.1.1 design purpose of this course is designed to complete a semester of compiler theory courses , in order to further deepen the knowledge of compiler theory understanding, develop practical problem-solving skills into practice. In light of the semester created software engineering courses The experimental curriculum design process requirements in the software engineering idea to organize the development process. in the software life cycle stages to. Due to the smaller size of the curriculum design, the software life cycle appropriate to consolidate, streamline and five stages that the

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