#ifndef SAND_CONFIG_H
#define SAND_CONFIG_H

// This module defines the configuration type. This is a fully transparent (i.e.
// not opaque) type which the consumer of the core library is supposed to
// assemble themselves. It contains hooks which the State will use for all effects.

#include "location.h"

#include <stddef.h>

// This handler is used for output from the user-supplied actual program.
typedef void (* SandPrintHandler)(const char *message, size_t length);

typedef enum {
	SAND_DIAGNOSTIC_INFO,
	SAND_DIAGNOSTIC_WARNING,
	SAND_DIAGNOSTIC_ERROR,
} SandDiagnosticLevel;

// This handler is used when the implementation has a report to make.
// These could for example be displayed in tan editor's interface.
typedef void (* SandDiagnosticHandler)(const SandLocation *, SandDiagnosticLevel, const char *message, size_t message_length);

typedef struct {
	SandPrintHandler print_handler;
	SandDiagnosticHandler diagnostic_handler;
} SandConfig;

#endif