print_ar.c

一个c语言写做的编译器的源码

/*@A (C) 1992 Allen I. Holub                                                */

#include <stdio.h>
#include <tools/debug.h>
#include <tools/compiler.h>		/* for prototypes only */
/*----------------------------------------------------------------------
 * PRINT_AR.C:  General-purpose subroutine to print out a 2-dimensional array.
 */

typedef int	 ATYPE;

#define NCOLS	 10   	/* Number of columns used to print arrays	*/
/*----------------------------------------------------------------------*/

PUBLIC	void	print_array( fp, array, nrows, ncols )
FILE	*fp;
ATYPE 	*array;			/* DFA transition table			*/
int	nrows;			/* Number of rows    in array[]		*/
int	ncols;			/* Number of columns in array[]		*/
{
    /* Print the C source code to initialize the two-dimensional array pointed
     * to by "array." Print only the initialization part of the declaration.
     */

    int		i;
    int		col;	/* Output column	*/

    fprintf( fp, "{\n" );
    for( i = 0; i < nrows ; i++ )
    {
	fprintf(fp, "/* %02d */  { ", i );

	for( col = 0;   col < ncols; col++ )
	{
	    fprintf(fp, "%3d" , *array++ );
	    if( col < ncols-1 )
		    fprintf(fp, ", " );

	    if( (col % NCOLS) == NCOLS-1  &&  col != ncols-1 )
		    fprintf(fp, "\n            ");
	}

	if( col > NCOLS )
	    fprintf( fp,  "\n         "  );

	fprintf( fp, " }%c\n", i < nrows-1 ? ',' : ' ' );
    }
    fprintf(fp, "};\n");
}