Examples of C language annotation conversion projects and test results, Examples of test results

Examples of C language annotation conversion projects and test results, Examples of test results

1. convert_comment.h

# Ifndef _ CONVERT_COMMENT_H __# define _ CONVERT_COMMENT_H __# include
 
  
# Include
  
   
# Define INPUTFILE "input. c "# define OUTPUTFILE" output. c "enum {CSTATUS, // C comment CPPSTATUS, // C ++ comment NULLSTATUS, // normal status EOFSTATUS // end status}; void convert_comment (); void convert_work (FILE * ifp, FILE * ofp); # endif
  
 

2. convert_comment.c

#include "convert_comment.h"int status = NULLSTATUS;void do_null_status(FILE *ifp, FILE *ofp){    int ch = fgetc(ifp);    switch (ch)    {    case '/':    {                int s = fgetc(ifp);                switch (s)                {                case '*':                    fputc('/', ofp);                    fputc('/', ofp);                    status = CSTATUS;                    break;                case '/':                    fputc('/', ofp);                    fputc('/', ofp);                    status = CPPSTATUS;                    break;                case EOF:                    status = EOFSTATUS;                    break;                default:                    fputc(ch, ofp);                    ungetc(s, ifp);                    status = NULLSTATUS;                    break;                }            break;    }    case EOF:        status = EOFSTATUS;        break;    default:        fputc(ch, ofp);        status = NULLSTATUS;        break;    }}void do_cpp_status(FILE *ifp, FILE *ofp){    int ch = fgetc(ifp);    switch (ch)    {    case '\n':        fputc(ch, ofp);        status = NULLSTATUS;        break;    case EOF:        status = EOFSTATUS;        break;    default:        fputc(ch, ofp);        status = CPPSTATUS;        break;    }}void do_c_status(FILE *ifp, FILE *ofp){    int ch = fgetc(ifp);    switch (ch)    {    case '*':    {                int s = fgetc(ifp);                switch (s)                {                case '/':                    fputc('\n', ofp);                    status = NULLSTATUS;                    break;                default:                    fputc(ch, ofp);                    ungetc(s, ifp);                    status = CSTATUS;                    break;                }            break;    }    case '\n':        fputc(ch, ofp);        fputc('/', ofp);        fputc('/', ofp);        status = CSTATUS;        break;    case EOF:        status = EOFSTATUS;        break;    default:        fputc(ch, ofp);        status = CSTATUS;        break;    }}void do_eof_status(FILE *ifp, FILE *ofp){    return;}static void convert_work(FILE *ifp, FILE *ofp){    while (status != EOFSTATUS)    {        switch (status)        {        case NULLSTATUS:            do_null_status(ifp, ofp);            break;        case CPPSTATUS:            do_cpp_status(ifp, ofp);            break;        case CSTATUS:            do_c_status(ifp, ofp);            break;        case EOFSTATUS:            do_eof_status(ifp, ofp);            break;        default:            break;        }    }}void convert_comment(){    FILE *ifp = fopen(INPUTFILE, "r");    FILE *ofp = fopen(OUTPUTFILE, "w");    if (ifp == NULL || ofp == NULL)    {        perror("fopen");        return;    }    convert_work(ifp, ofp);    fclose(ifp);    fclose(ofp);}

3. test. c

#include "convert_comment.h"int main(){    convert_comment();    system("pause");    return 0;}

4. Test results: