varidef.c

北京航空航天大学计算机系要求的编译器大作业。大概6000行代码。

/***************************************
By BHU 35060122 Peng Hui;
2008.02
description:
A small compiler to translate a C program to 80X80 Assembly Code
***************************************/


#include"Global.h"
void VariDec()  	// <变量声明>
{
	if(strcmp(Symbol[1],"int") == 0)
	{
		DeclHead();
		if(strcmp(Symbol[1],"COLOM") == 0)
		{
			while(strcmp(Symbol[1],"COLOM") == 0)
			{
				NextSym(temp);
				if(strcmp(Symbol[1],"ID") == 0)
				{
					//Error(4);
					NextSym(temp);
				}
				else
				{
					Error(4);
					NextSym(temp);
				}
			}
			if(strcmp(Symbol[1],"SEMIC") != 0)
				Error(4);
			else
				NextSym(temp);
		}
		else if(strcmp(Symbol[1],"SEMIC") == 0)
			NextSym(temp);
	}
	else
		Error(4);
}