/**
 * expt.h
 *   Utilities for conducting experiments with code.
 */

#ifndef __EXPT_H__
#define __EXPT_H__

// +--------+-----------------------------------------------------------
// | Macros |
// +--------+

/**
 * BLOCK(CODE)
 *   Turn CODE into a block that you can legally nest.
 */
#define BLOCK(CODE) do { CODE } while (0)

/**
 * EXPERIMENT(COMMAND)
 *   Print out command and then execute it.
 */
#define EXPERIMENT(COMMAND) BLOCK (fprintf (stderr, "%s;\n", #COMMAND); COMMAND;);

/**
 * VAR_PREFIX
 *   A prefix that should be put before printing any variable.
 */
#define VAR_PREFIX "  // "

/**
 * PRINT_INT(VAR)
 *   Print the value of an integer variable.
 */
#define PRINT_INT(VAR) fprintf (stderr, VAR_PREFIX "%s = %d\n", #VAR, VAR)

/**
 * PRINT_STR(VAR)
 *   Print the value of a string variable.
 */
#define PRINT_STR(VAR) fprintf (stderr, VAR_PREFIX "%s = %s\n", #VAR, VAR)

#endif // __EXPT_H__