main.cpp

一个小型C语言编译器

#include <stdio.h>
#include <stdlib.h>

#include "input.h"
#include "token.h"
#include "datatypedef.h"
#include "varproc.h"

char* filename = NULL;


/*
    file = NULL;

	if(args < 0) {
		printf("input the file name!\r\n");
		return ;
	}

	filename = filen = argv[1];
	if (filen == NULL) {
		printf("parameter is wrong,please input the test file!\r\n");
		return ;
	}

	file = fopen(filen, "rb");
	if(file == NULL) {
		printf("can't open file: %s\r\n", file);
		return ;
	}
	
    while(fillbuf()){
        display();
    }
    fclose(file);

    file = NULL;
*/




void main(int args, char* argv[])
{
	char* filen     = NULL;
	//FILE* fp       = NULL;
	long  filesize = 0;

	if(args < 2) {
		printf("input the file name!\r\n");
		return ;
	}

	filen = argv[1];
	if (filen == NULL) {
		printf("parameter is wrong,please input the test file!\r\n");
		return ;
	}
    
    //filename = getOutfile(filen);

	file = fopen(filen, "rb");
	if(file == NULL) {
		printf("can't open file: %s\r\n", file);
		return ;
	}
	
    inputInit();

    vardefproc();
    ouputvardef();
    
end:
    fclose(file);
}


/*
    while(9){
        int l_token = 0;
        extern char* token;
        
        
        l_token = gettok();
        if(l_token == EOI){
            break;
        }


    
    }
*/


/*

        if (l_token == INT){
            l_token = gettok();
            if(l_token == EOI){
                break;
            }
            while(1){
                if(l_token == ID && token != NULL) {
                    printf("%s\n", token);
                    token = NULL;
                } else {
                    if (l_token == ';' || l_token == '(')
                        break;
                }
                l_token = gettok();
            }
            
        }

*/