checkc.c

来自「一个程序拿来对一个C文件做基本的语法检查」· C语言 代码 · 共 72 行

#include <stdio.h>
#include <string.h>
#include "Stack.h"

#define cMAX_BUFFER_SIZE   1024


int main(int argc, char *argv[])
{
    FILE *fp;
    BYTE aBuffer[cMAX_BUFFER_SIZE];
	BYTE *pTmp, *pEnd;
	UINT32 dwByteRead, line = 1;
    TOKEN token, preferToken = NONE;

    if(2 != argc){
       printf("Bad command format!\n");
       printf("checkc <sourcefile> \n");
       return 1;
    }

    if(NULL == (fp = fopen(argv[1], "r"))){
        printf("The source file doesn\'t exist or have no permission to access it.\n");
        return 2;
    }

    while(!feof(fp)){
		memset(aBuffer, 0, cMAX_BUFFER_SIZE);
        dwByteRead = fread(aBuffer, 1, cMAX_BUFFER_SIZE, fp);
		pTmp = &aBuffer[0];
		pEnd = pTmp + dwByteRead;
		while(NONE != (token = GetNextToken(&pTmp, pEnd, preferToken))){
			if(Newline == token)
				line++;

			if(isTokenMatchTop(token)){
				pop();
				preferToken = NONE;
			}
			else{
				switch(token){
					case SingleQuotation:
					case DoubleQuotation:
						push(token, line);
						preferToken = token;
						break;
					case LeftCommentLine:
						push(token, line);
						preferToken = RightCommentLine;
						break;
					case DoubleSlashComment:
						push(token, line);
						preferToken = Newline;
						break;
					case Newline:
						break;
					default:
						push(token, line);
						preferToken = NONE;
						break;
				}
			}
		}
    }
    fclose(fp);
    
    PrintError();
	return 0; 
}