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#ifndef PREPROCESSOR_H
#define PREPROCESSOR_H
#include "lexer.h"
typedef enum comment_type comment_type;
typedef enum directive_type directive_type;
typedef struct stmt stmt;
typedef struct linked_list linked_list;
typedef struct keyword keyword;
typedef struct cursor cursor;
typedef struct whitespace whitespace;
typedef struct comment comment;
typedef struct source source;
typedef void *(keyword_cb)(void *ctx, int dbg);
enum directive_type {
DIR_NONE,
DIR_INCLUDE,
NUM_DIRS
};
enum comment_type {
COMM_NONE,
COMM_MULTI,
COMM_SINGLE,
NUM_COMMS
};
struct linked_list {
void *data;
linked_list *next;
};
struct keyword {
char *name;
int id;
keyword_cb *found_keyword;
};
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 *parent;
source **include_list;
comment **comments;
char *filename;
char *text;
int included : 1;
int tab_width;
cursor cur;
stmt *root;
stmt *last;
};
extern char *skip_whitespace(source *src, whitespace *wspace, int count_lines, int count_columns, int dbg);
extern char *skip_comment(source *src, whitespace *wspace, comment_type *type, int dbg);
extern int find_keyword(const char *key, keyword **keywords, void *ctx, void **callback_ret, int dbg);
extern source *preprocess(source *parent, const char *filename, int dbg);
#endif
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