api: add Iterator

Relates to tarantool/go-tarantool#251

Author: oleg-jukovec

generate.go

@@ -4,6 +4,7 @@ package iproto
 //go:generate stringer -type=Error
 //go:generate stringer -type=Feature
 //go:generate stringer -type=Flag
+//go:generate stringer -type=Iterator
 //go:generate stringer -type=Type
 //go:generate stringer -type=Key,MetadataKey,BallotKey,RaftKey,SqlInfoKey -output=keys_string.go
 //go:generate goimports -w .

generate.sh

@@ -25,13 +25,16 @@ SRC_CONST=${TT_DIR}/src/box/iproto_constants.h
 SRC_ERRORS=${TT_DIR}/src/box/errcode.h
 SRC_EXECUTE=${TT_DIR}/src/box/execute.h
 SRC_FEATURES=${TT_DIR}/src/box/iproto_features.h
+SRC_ITERATORS=${TT_DIR}/src/box/iterator_type.h
 DST_DOC=doc.go
 DST_ERRORS=error.go
 DST_ERRORS_TEST=error_test.go
 DST_FEATURES=feature.go
 DST_FEATURES_TEST=feature_test.go
 DST_FLAGS=flag.go
 DST_FLAGS_TEST=flag_test.go
+DST_ITERATORS=iterator.go
+DST_ITERATORS_TEST=iterator_test.go
 DST_TYPES=type.go
 DST_TYPES_TEST=type_test.go
 DST_KEYS=keys.go
@@ -236,6 +239,24 @@ echo "${FOOTER_TEST}" > ${DST_FLAGS_TEST}
 grep -PB 1 "[\t ]*IPROTO_FLAG_[A-Z_]+ =" ${SRC_CONST} | \
 	generate_test Flag >> ${DST_FLAGS_TEST}
 
+#
+# Iterators.
+#
+
+echo "${FOOTER}" > ${DST_ITERATORS}
+cat << EOF >> ${DST_ITERATORS}
+// IPROTO iterators constants, generated from
+// ${SRC_ITERATORS}
+EOF
+
+read_enum iterator_type ${SRC_ITERATORS} | \
+	generate_enum Iterator >> ${DST_ITERATORS}
+
+echo "${FOOTER_TEST}" > ${DST_ITERATORS_TEST}
+
+read_enum iterator_type ${SRC_ITERATORS} | \
+	generate_test Iterator >> ${DST_ITERATORS_TEST}
+
 #
 # Types.
 #