lexer.h

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#ifndef _LIBSAPLING_LEXER_H_
#define _LIBSAPLING_LEXER_H_
 
#include "libsapling/dm/graph.h"
 
void *lexer__data(const node_t node);
void lexer__access(enum qt qt, node_t *ref, void *info, predicate_t predicate,
    apply_t apply);
void lexer__print(FILE *stream, node_t *ref, fpfdata_t fpfdata);
void lexer__dump_dot(FILE *stream, node_t *ref, fpfdata_t fpfdata);
int lexer__length(const node_t *ref);
 
void lexer__literal(node_t *dst, const char *expr);
 
void lexer__class(node_t *dst, const char *expr);
 
void lexer__anything(node_t *dst);
 
void lexer__copy(node_t *dst, node_t *src);
 
void lexer__union(node_t *dst, node_t *src);
 
void lexer__concatenation(node_t *dst, node_t *src);
 
void lexer__kleene_star(node_t *dst);
 
void lexer__kleene_plus(node_t *dst);
 
void lexer__minimize(node_t *dst);
 
void lexer__set_accepting_states_data(node_t *ref, void *data);
 
struct lexer_state {
    const char *buf;
    int cursor;
    int overread;
    void **ref_to_data;
    char lexeme[4096];
    int lexeme_cursor;
    int end;
};
 
void lexer__init(struct lexer_state *ref, const char *buf);
 
void **lexer__next_terminal(node_t *ref, struct lexer_state *sta);
 
node_t lexer__enumerate_states(node_t *ref);
 
const char *lexer__to_string(node_t *ref, node_t *map);
 
#endif