Fix nested properties in soong config structs
Fix recursing into nested properties when creating the structs for
affectable properties in soong config modules.
Fixes: 181156850
Test: Test_createAffectablePropertiesType
Change-Id: I4fb645d7e334977d0bbf192c3b43a7bba8289f49
diff --git a/android/soongconfig/modules.go b/android/soongconfig/modules.go
index c62e76d..34b180d 100644
--- a/android/soongconfig/modules.go
+++ b/android/soongconfig/modules.go
@@ -295,18 +295,25 @@
recurse = func(prefix string, aps []string) ([]string, reflect.Type) {
var fields []reflect.StructField
+ // Iterate while the list is non-empty so it can be modified in the loop.
for len(affectableProperties) > 0 {
p := affectableProperties[0]
if !strings.HasPrefix(affectableProperties[0], prefix) {
+ // The properties are sorted and recurse is always called with a prefix that matches
+ // the first property in the list, so if we've reached one that doesn't match the
+ // prefix we are done with this prefix.
break
}
- affectableProperties = affectableProperties[1:]
nestedProperty := strings.TrimPrefix(p, prefix)
if i := strings.IndexRune(nestedProperty, '.'); i >= 0 {
var nestedType reflect.Type
nestedPrefix := nestedProperty[:i+1]
+ // Recurse to handle the properties with the found prefix. This will return
+ // an updated affectableProperties with the handled entries removed from the front
+ // of the list, and the type that contains the handled entries. The type may be
+ // nil if none of the entries matched factoryProps.
affectableProperties, nestedType = recurse(prefix+nestedPrefix, affectableProperties)
if nestedType != nil {
@@ -325,6 +332,8 @@
Type: typ,
})
}
+ // The first element in the list has been handled, remove it from the list.
+ affectableProperties = affectableProperties[1:]
}
}