cifa.h

一个简单的图形解释语言编译程序,使用visual C++ 6.0开发

// Cifa.h: interface for the CCifa class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_CIFA_H__E585D0C5_DEE6_4AAA_81A0_F080D9547981__INCLUDED_)
#define AFX_CIFA_H__E585D0C5_DEE6_4AAA_81A0_F080D9547981__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include <math.h>

enum Token_Type
{
	ORIGIN,SCALE,ROT,IS,
	TO,STEP,DRAW,FOR,FROM,
	T,
	SEMICO,L_BRACKET,R_BRACKET,COMMA,
	PLUS,MINUS,MUL,DIV,POWER,
	FUNC,
	CONST_ID,
	NONTOKEN,
	ERRTOKEN
};
struct Token
{
	Token_Type type;
	char *lexeme;
	double value;
	double (*FuncPtr) (double);
};

static	Token TokenTable[]=
	{
			{CONST_ID,"PI",3.1415926,NULL},
			{CONST_ID,"E",2.71828,NULL},
			{T,"T",0.0,NULL},
			{FUNC,"SIN",0.0,sin},
			{FUNC,"COS",0.0,cos},
			{FUNC,"TAN",0.0,tan},
			{FUNC,"LN",0.0,log},
			{FUNC,"EXP",0.0,exp},
			{FUNC,"SQRT",0.0,sqrt},
			{ORIGIN,"ORIGIN",0.0,NULL},
			{SCALE,"SCALE",0.0,NULL},
			{ROT,"ROT",0.0,NULL},
			{IS,"IS",0.0,NULL},
			{FOR,"FOR",0.0,NULL},
			{FROM,"FROM",0.0,NULL},
			{TO,"TO",0.0,NULL},
			{STEP,"STEP",0.0,NULL},
			{DRAW,"DRAW",0.0,NULL}

	};

#endif // !defined(AFX_CIFA_H__E585D0C5_DEE6_4AAA_81A0_F080D9547981__INCLUDED_)