Adding upstream version 1:2.3.19.1+dfsg1.upstream/1%2.3.19.1+dfsg1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 108 insertions, 0 deletions

diff --git a/pigeonhole/src/lib-sieve/tst-allof.c b/pigeonhole/src/lib-sieve/tst-allof.c
new file mode 100644
index 0000000..6d278b9
--- /dev/null
+++ b/pigeonhole/src/lib-sieve/tst-allof.c
@@ -0,0 +1,108 @@
+/* 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"
+#include "sieve-binary.h"
+#include "sieve-code.h"
+#include "sieve-binary.h"
+
+/*
+ * Allof test
+ *
+ * Syntax
+ *   allof <tests: test-list>
+ */
+
+static bool tst_allof_generate
+	(const struct sieve_codegen_env *cgenv, struct sieve_command *ctx,
+		struct sieve_jumplist *jumps, bool jump_true);
+static bool tst_allof_validate_const
+	(struct sieve_validator *valdtr, struct sieve_command *tst,
+		int *const_current, int const_new);
+
+const struct sieve_command_def tst_allof = {
+	.identifier = "allof",
+	.type = SCT_TEST,
+	.positional_args = 0,
+	.subtests = 2,
+	.block_allowed = FALSE,
+	.block_required = FALSE,
+	.validate_const = tst_allof_validate_const,
+	.control_generate = tst_allof_generate
+};
+
+/*
+ * Code validation
+ */
+
+static bool tst_allof_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 = 0;
+		return FALSE;
+	}
+
+	if ( *const_current != -1 )
+		*const_current = const_next;
+	return TRUE;
+}
+
+/*
+ * Code generation
+ */
+
+static bool tst_allof_generate
+(const struct sieve_codegen_env *cgenv, struct sieve_command *ctx,
+	struct sieve_jumplist *jumps, bool jump_true)
+{
+	struct sieve_binary_block *sblock = cgenv->sblock;
+	struct sieve_ast_node *test;
+	struct sieve_jumplist false_jumps;
+
+	if ( sieve_ast_test_count(ctx->ast_node) > 1 ) {
+		if ( jump_true ) {
+			/* Prepare jumplist */
+			sieve_jumplist_init_temp(&false_jumps, sblock);
+		}
+
+		test = sieve_ast_test_first(ctx->ast_node);
+		while ( test != NULL ) {
+			bool result;
+
+			/* If this test list must jump on false, all sub-tests can simply add their jumps
+			 * to the caller's jump list, otherwise this test redirects all false jumps to the
+			 * end of the currently generated code. This is just after a final jump to the true
+			 * case
+			 */
+			if ( jump_true )
+				result = sieve_generate_test(cgenv, test, &false_jumps, FALSE);
+			else
+				result = sieve_generate_test(cgenv, test, jumps, FALSE);
+
+			if ( !result ) return FALSE;
+
+			test = sieve_ast_test_next(test);
+		}
+
+		if ( jump_true ) {
+			/* All tests succeeded, jump to case TRUE */
+			sieve_operation_emit(cgenv->sblock, NULL, &sieve_jmp_operation);
+			sieve_jumplist_add(jumps, sieve_binary_emit_offset(sblock, 0));
+
+			/* All false exits jump here */
+			sieve_jumplist_resolve(&false_jumps);
+		}
+	} else {
+		/* Script author is being inefficient; we can optimize the allof test away */
+		test = sieve_ast_test_first(ctx->ast_node);
+		sieve_generate_test(cgenv, test, jumps, jump_true);
+	}
+
+	return TRUE;
+}
+