#ifndef __SIEVE_LEXER_H
#define __SIEVE_LEXER_H
#include "lib.h"
#include "str.h"
#include "sieve-common.h"
enum sieve_token_type {
STT_NONE,
STT_WHITESPACE,
STT_EOF,
STT_NUMBER,
STT_IDENTIFIER,
STT_TAG,
STT_STRING,
STT_RBRACKET,
STT_LBRACKET,
STT_RCURLY,
STT_LCURLY,
STT_RSQUARE,
STT_LSQUARE,
STT_SEMICOLON,
STT_COMMA,
STT_SLASH,
STT_COLON,
STT_GARBAGE,
STT_ERROR
};
struct sieve_lexical_scanner;
struct sieve_lexer {
struct sieve_lexical_scanner *scanner;
enum sieve_token_type token_type;
string_t *token_str_value;
int token_int_value;
int token_line;
};
const struct sieve_lexer *sieve_lexer_create
(struct sieve_script *script, struct sieve_error_handler *ehandler,
enum sieve_error *error_r);
void sieve_lexer_free(const struct sieve_lexer **lexer);
bool sieve_lexer_skip_token(const struct sieve_lexer *lexer);
static inline enum sieve_token_type sieve_lexer_token_type
(const struct sieve_lexer *lexer)
{
return lexer->token_type;
}
static inline const string_t *sieve_lexer_token_str
(const struct sieve_lexer *lexer)
{
i_assert( lexer->token_type == STT_STRING );
return lexer->token_str_value;
}
static inline const char *sieve_lexer_token_ident
(const struct sieve_lexer *lexer)
{
i_assert(
lexer->token_type == STT_TAG ||
lexer->token_type == STT_IDENTIFIER);
return str_c(lexer->token_str_value);
}
static inline int sieve_lexer_token_int
(const struct sieve_lexer *lexer)
{
i_assert(lexer->token_type == STT_NUMBER);
return lexer->token_int_value;
}
static inline bool sieve_lexer_eof
(const struct sieve_lexer *lexer)
{
return lexer->token_type == STT_EOF;
}
static inline int sieve_lexer_token_line
(const struct sieve_lexer *lexer)
{
return lexer->token_line;
}
const char *sieve_lexer_token_description
(const struct sieve_lexer *lexer);
void sieve_lexer_token_print
(const struct sieve_lexer *lexer);
#endif