Expose creation method for DottedVersion to skylark.

RELNOTES: Skylark support (apple_common.dotted_version(string)) for building DottedVersion objects to interface with native apple rules
PiperOrigin-RevId: 157131109

1 files changed, 27 insertions, 0 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/rules/objc/AppleSkylarkCommon.java b/src/main/java/com/google/devtools/build/lib/rules/objc/AppleSkylarkCommon.java
index 98340eb706..7d633d3b3c 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/objc/AppleSkylarkCommon.java
+++ b/src/main/java/com/google/devtools/build/lib/rules/objc/AppleSkylarkCommon.java
@@ -23,6 +23,7 @@ import com.google.devtools.build.lib.collect.nestedset.Order;
 import com.google.devtools.build.lib.packages.ClassObjectConstructor;
 import com.google.devtools.build.lib.packages.SkylarkClassObject;
 import com.google.devtools.build.lib.rules.apple.AppleToolchain;
+import com.google.devtools.build.lib.rules.apple.DottedVersion;
 import com.google.devtools.build.lib.rules.apple.Platform;
 import com.google.devtools.build.lib.rules.apple.Platform.PlatformType;
 import com.google.devtools.build.lib.rules.apple.XcodeVersionProperties;
@@ -364,6 +365,32 @@ public class AppleSkylarkCommon {
         }
       };
 
+  @SkylarkSignature(
+    name = "dotted_version",
+    objectType = AppleSkylarkCommon.class,
+    returnType = DottedVersion.class,
+    doc = "Creates a new <a href=\"DottedVersion.html\">DottedVersion</a> instance.",
+    parameters = {
+      @Param(name = "self", type = AppleSkylarkCommon.class, doc = "The apple_common instance."),
+      @Param(
+        name = "version",
+        type = String.class,
+        named = false,
+        positional = false,
+        doc = "The string representation of the DottedVersion."
+      )
+    }
+  )
+  public static final BuiltinFunction DOTTED_VERSION =
+      new BuiltinFunction("dotted_version") {
+        @SuppressWarnings("unused")
+        // This method is registered statically for skylark, and never called directly.
+        public DottedVersion invoke(
+            AppleSkylarkCommon self, String version) {
+          return DottedVersion.fromString(version);
+        }
+      };
+
   static {
     SkylarkSignatureProcessor.configureSkylarkFunctions(AppleSkylarkCommon.class);
   }