sieve-priv.h
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999-2002, 2005-2012, 2014-2016 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 3 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, see
<http://www.gnu.org/licenses/>. */
#include <mailutils/sieve.h>
#include <setjmp.h>
#include <string.h>
#define SIEVE_CODE_INCR 128
typedef void (*sieve_instr_t) (mu_sieve_machine_t mach);
typedef union
{
sieve_instr_t instr;
mu_sieve_handler_t handler;
mu_sieve_value_t *val;
mu_list_t list;
long number;
const char *string;
size_t pc;
size_t line;
} sieve_op_t;
struct mu_sieve_machine
{
/* Static data */
struct mu_locus locus; /* Approximate location in the code */
mu_list_t memory_pool; /* Pool of allocated memory objects */
mu_list_t destr_list; /* List of destructor functions */
/* Symbol space: */
mu_list_t test_list; /* Tests */
mu_list_t action_list; /* Actions */
mu_list_t comp_list; /* Comparators */
mu_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 */
mu_list_t stack; /* Runtime stack */
int debug_level; /* Debugging level */
jmp_buf errbuf; /* Target location for non-local exits */
const char *identifier; /* Name of action or test being executed */
mu_mailbox_t mailbox; /* Mailbox to operate upon */
size_t msgno; /* Current message number */
mu_message_t msg; /* Current message */
int action_count; /* Number of actions executed over this message */
/* User supplied data */
mu_stream_t errstream;
mu_sieve_action_log_t logger;
mu_mailer_t mailer;
char *daemon_email;
void *data;
};
extern struct mu_locus mu_sieve_locus;
extern mu_sieve_machine_t mu_sieve_machine;
extern int mu_sieve_error_count;
#define TAG_COMPFUN "__compfun__"
#define TAG_RELFUN "__relfun__"
void mu_sv_compile_error (struct mu_locus *locus,
const char *fmt, ...) MU_PRINTFLIKE(2,3);
void mu_sv_print_value_list (mu_list_t list, mu_stream_t str);
void mu_sv_print_tag_list (mu_list_t list, mu_stream_t str);
int mu_sv_lex_begin (const char *name);
int mu_sv_lex_begin_string (const char *buf, int bufsize,
const char *fname, int line);
void mu_sv_lex_finish (void);
int mu_sieve_yyerror (const char *s);
int mu_sieve_yylex ();
void mu_sv_register_standard_actions (mu_sieve_machine_t mach);
void mu_sv_register_standard_tests (mu_sieve_machine_t mach);
void mu_sv_register_standard_comparators (mu_sieve_machine_t mach);
int mu_sv_code (sieve_op_t *op);
int mu_sv_code_instr (sieve_instr_t instr);
int mu_sv_code_handler (mu_sieve_handler_t handler);
int mu_sv_code_list (mu_list_t list);
int mu_sv_code_number (long num);
int mu_sv_code_test (mu_sieve_register_t *reg, mu_list_t arglist);
int mu_sv_code_action (mu_sieve_register_t *reg, mu_list_t arglist);
void mu_sv_code_anyof (size_t start);
void mu_sv_code_allof (size_t start);
int mu_sv_code_source (const char *name);
int mu_sv_code_line (size_t line);
void mu_sv_change_source (void);
void _mu_sv_instr_action (mu_sieve_machine_t mach);
void _mu_sv_instr_test (mu_sieve_machine_t mach);
void _mu_sv_instr_push (mu_sieve_machine_t mach);
void _mu_sv_instr_pop (mu_sieve_machine_t mach);
void _mu_sv_instr_not (mu_sieve_machine_t mach);
void _mu_sv_instr_branch (mu_sieve_machine_t mach);
void _mu_sv_instr_brz (mu_sieve_machine_t mach);
void _mu_sv_instr_brnz (mu_sieve_machine_t mach);
void _mu_sv_instr_nop (mu_sieve_machine_t mach);
void _mu_sv_instr_source (mu_sieve_machine_t mach);
void _mu_sv_instr_line (mu_sieve_machine_t mach);
int mu_sv_load_add_dir (mu_sieve_machine_t mach, const char *name);