#ifndef PREPROCESSOR_H
#define PREPROCESSOR_H

typedef enum comment_type comment_type;
typedef struct cursor cursor;
typedef struct whitespace whitespace;
typedef struct comment comment;
typedef struct source source;

enum comment_type {
	COMM_NONE,
	COMM_MULTI,
	COMM_SINGLE,
	NUM_COMMS
};

struct cursor {
	int line;
	int column;
};

struct whitespace {
	int spaces;
	int bspaces;
	int tabs;
	int vtabs;
	int lines;
};

struct comment {
	enum comment_type type;
	char *text;
	cursor start_pos;
	cursor end_pos;
	whitespace wsp;
};

struct source {
	source **include_list;
	char *filename;
	char *text;
	int tab_width;
	cursor cur;
};

extern source *preprocess(const char *str, int dbg);
#endif