sieve.h
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General
Public License along with this library; if not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301 USA */
#include <mailutils/libsieve.h>
#include <mu_asprintf.h>
#include <setjmp.h>
#include <string.h>
#define SIEVE_CODE_INCR 128
typedef void (*sieve_instr_t) __P((sieve_machine_t mach));
typedef union {
sieve_instr_t instr;
sieve_handler_t handler;
sieve_value_t *val;
list_t list;
long number;
char *string;
size_t pc;
size_t line;
} sieve_op_t;
struct sieve_machine {
/* Static data */
sieve_locus_t locus; /* Approximate location in the code */
list_t memory_pool; /* Pool of allocated memory objects */
list_t destr_list; /* List of destructor functions */
/* Symbol space: */
list_t test_list; /* Tests */
list_t action_list; /* Actions */
list_t comp_list; /* Comparators */
list_t source_list; /* Source names (for diagnostics) */
size_t progsize; /* Number of allocated program cells */
sieve_op_t *prog; /* Compiled program */
/* Runtime data */
size_t pc; /* Current program counter */
long reg; /* Numeric register */
list_t stack; /* Runtime stack */
int debug_level; /* Debugging level */
jmp_buf errbuf; /* Target location for non-local exits */
char *identifier; /* Name of action or test being executed */
mailbox_t mailbox; /* Mailbox to operate upon */
size_t msgno; /* Current message number */
message_t msg; /* Current message */
int action_count; /* Number of actions executed over this message */
/* User supplied data */
sieve_parse_error_t parse_error_printer;
sieve_printf_t error_printer;
sieve_printf_t debug_printer;
sieve_action_log_t logger;
mailer_t mailer;
ticket_t ticket;
mu_debug_t mu_debug;
char *daemon_email;
void *data;
};
extern char *sieve_filename;
extern int sieve_line_num;
extern sieve_machine_t sieve_machine;
extern int sieve_error_count;
#define TAG_COMPFUN "__compfun__"
#define TAG_RELFUN "__relfun__"
void sieve_compile_error __P((const char *filename, int linenum,
const char *fmt, ...));
void sieve_debug_internal __P((sieve_printf_t printer, void *data,
const char *fmt, ...));
void sieve_print_value __P((sieve_value_t *val, sieve_printf_t printer,
void *data));
void sieve_print_value_list __P((list_t list, sieve_printf_t printer,
void *data));
void sieve_print_tag_list __P((list_t list, sieve_printf_t printer,
void *data));
int _sieve_default_error_printer __P((void *data,
const char *fmt, va_list ap));
int _sieve_default_parse_error __P((void *unused,
const char *filename, int lineno,
const char *fmt, va_list ap));
int sieve_lex_begin __P((const char *name));
void sieve_lex_finish __P((void));
void sieve_register_standard_actions __P((sieve_machine_t mach));
void sieve_register_standard_tests __P((sieve_machine_t mach));
void sieve_register_standard_comparators __P((sieve_machine_t mach));
int sieve_code __P((sieve_op_t *op));
int sieve_code_instr __P((sieve_instr_t instr));
int sieve_code_handler __P((sieve_handler_t handler));
int sieve_code_list __P((list_t list));
int sieve_code_number __P((long num));
int sieve_code_test __P((sieve_register_t *reg, list_t arglist));
int sieve_code_action __P((sieve_register_t *reg, list_t arglist));
void sieve_code_anyof __P((size_t start));
void sieve_code_allof __P((size_t start));
int sieve_code_source __P((const char *name));
int sieve_code_line __P((size_t line));
void instr_action __P((sieve_machine_t mach));
void instr_test __P((sieve_machine_t mach));
void instr_push __P((sieve_machine_t mach));
void instr_pop __P((sieve_machine_t mach));
void instr_not __P((sieve_machine_t mach));
void instr_branch __P((sieve_machine_t mach));
void instr_brz __P((sieve_machine_t mach));
void instr_brnz __P((sieve_machine_t mach));
void instr_nop __P((sieve_machine_t mach));
void instr_source __P((sieve_machine_t mach));
void instr_line __P((sieve_machine_t mach));
int sieve_mark_deleted __P((message_t msg, int deleted));
int sieve_match_part_checker __P((const char *name, list_t tags, list_t args));
int sieve_relational_checker __P((const char *name, list_t tags, list_t args));
int sieve_load_add_path __P((list_t path));
int sieve_load_add_dir __P((sieve_machine_t mach, const char *name));