Adding upstream version 0.0~git20250307.c2e6a77.

Signed-off-by: Daniel Baumann <daniel@debian.org>

iota.go

@@ -0,0 +1,38 @@
+package tygoja
+
+import (
+	"fmt"
+	"strconv"
+	"strings"
+)
+
+func isProbablyIotaType(groupType string) bool {
+	groupType = strings.Trim(groupType, "()")
+	return groupType == "iota" || strings.HasPrefix(groupType, "iota +") || strings.HasSuffix(groupType, "+ iota")
+}
+
+func basicIotaOffsetValueParse(groupType string) (int, error) {
+	if !isProbablyIotaType(groupType) {
+		panic("can't parse non-iota type")
+	}
+
+	groupType = strings.Trim(groupType, "()")
+	if groupType == "iota" {
+		return 0, nil
+	}
+	parts := strings.Split(groupType, " + ")
+
+	var numPart string
+	if parts[0] == "iota" {
+		numPart = parts[1]
+	} else {
+		numPart = parts[0]
+	}
+
+	addValue, err := strconv.ParseInt(numPart, 10, 64)
+	if err != nil {
+		return 0, fmt.Errorf("Failed to guesstimate initial iota value for \"%s\": %w", groupType, err)
+	}
+
+	return int(addValue), nil
+}