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/* Copyright (c) 2002-2018 Pigeonhole authors, see the included COPYING file
*/
#include "sieve-common.h"
#include "sieve-commands.h"
#include "sieve-validator.h"
#include "sieve-generator.h"
/*
* Not test
*
* Syntax:
* not <tests: test-list>
*/
static bool tst_not_generate
(const struct sieve_codegen_env *cgenv, struct sieve_command *ctx,
struct sieve_jumplist *jumps, bool jump_true);
static bool tst_not_validate_const
(struct sieve_validator *valdtr, struct sieve_command *tst,
int *const_current, int const_next);
const struct sieve_command_def tst_not = {
.identifier = "not",
.type = SCT_TEST,
.positional_args = 0,
.subtests = 1,
.block_allowed = FALSE,
.block_required = FALSE,
.validate_const = tst_not_validate_const,
.control_generate = tst_not_generate
};
/*
* Code validation
*/
static bool tst_not_validate_const
(struct sieve_validator *valdtr ATTR_UNUSED,
struct sieve_command *tst ATTR_UNUSED, int *const_current, int const_next)
{
if ( const_next < 0 )
*const_current = -1;
else if ( const_next > 0 )
*const_current = 0;
else
*const_current = 1;
return TRUE;
}
/*
* Code generation
*/
static bool tst_not_generate
(const struct sieve_codegen_env *cgenv, struct sieve_command *ctx,
struct sieve_jumplist *jumps, bool jump_true)
{
struct sieve_ast_node *test;
/* Validator verified the existance of the single test already */
test = sieve_ast_test_first(ctx->ast_node);
return sieve_generate_test(cgenv, test, jumps, !jump_true);
}
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