The design of C compiler

Foreword: This is our semester compiles the class to request the big journey, I do is a C-compiler, the function is not many, but runs normally, the development step is more clear, hoped shares with everybody.

The compiler runs an effect diagram as follows:

The basic contents of the design document are as follows:

1) Overall framework

2) Lexical analysis

Class Ctokenizer

Class Cscaner

C keyword table

Identifier lexical

3) Grammar Analysis

Class Cparser

Grammar

Basic tree-shaped structure

Supported statements and operations

4) Establish symbol table

Class Linelistrec

Class Bucketlistrec

Class csymboltable

Class Cfunargscheck

5) Type detection

Class Canalyzer

Type matching

function call parameter detection

6) Code generation

Pcode

80x86 ASM

7) Summary

For more information please read the design documentation provided in this article and the full source code.