From d1d613c9e93ce69e3880728350d1cff959f6845d Mon Sep 17 00:00:00 2001
From: plf <plf@google.com>
Date: Fri, 13 Jul 2018 06:39:28 -0700
Subject: C++: Implements py_wrap_cc in Skylark

RELNOTES:none
PiperOrigin-RevId: 204463998
---
 .../lib/rules/python/PyCcLinkParamsProvider.java    | 21 ++++++++++++++++++---
 .../build/lib/rules/python/PythonConfiguration.java |  6 ++++++
 2 files changed, 24 insertions(+), 3 deletions(-)

(limited to 'src/main/java/com')

diff --git a/src/main/java/com/google/devtools/build/lib/rules/python/PyCcLinkParamsProvider.java b/src/main/java/com/google/devtools/build/lib/rules/python/PyCcLinkParamsProvider.java
index 68d246d6b1..67be6aeda7 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/python/PyCcLinkParamsProvider.java
+++ b/src/main/java/com/google/devtools/build/lib/rules/python/PyCcLinkParamsProvider.java
@@ -15,29 +15,44 @@ package com.google.devtools.build.lib.rules.python;
 
 import com.google.common.base.Function;
 import com.google.devtools.build.lib.analysis.TransitiveInfoCollection;
-import com.google.devtools.build.lib.analysis.TransitiveInfoProvider;
 import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable;
+import com.google.devtools.build.lib.packages.NativeInfo;
+import com.google.devtools.build.lib.packages.NativeProvider;
 import com.google.devtools.build.lib.rules.cpp.AbstractCcLinkParamsStore;
 import com.google.devtools.build.lib.rules.cpp.CcLinkingInfo;
 import com.google.devtools.build.lib.skyframe.serialization.autocodec.AutoCodec;
+import com.google.devtools.build.lib.skylarkinterface.SkylarkCallable;
+import com.google.devtools.build.lib.skylarkinterface.SkylarkModule;
+import com.google.devtools.build.lib.skylarkinterface.SkylarkModuleCategory;
 
 /** A target that provides C++ libraries to be linked into Python targets. */
 @Immutable
 @AutoCodec
-public final class PyCcLinkParamsProvider implements TransitiveInfoProvider {
+@SkylarkModule(
+    name = "PyCcLinkParamsProvider",
+    documented = false,
+    category = SkylarkModuleCategory.PROVIDER,
+    doc = "Wrapper for every C++ linking provider")
+public final class PyCcLinkParamsProvider extends NativeInfo {
+  public static final NativeProvider<PyCcLinkParamsProvider> PROVIDER =
+      new NativeProvider<PyCcLinkParamsProvider>(
+          PyCcLinkParamsProvider.class, "PyCcLinkParamsProvider") {};
+
   private final CcLinkingInfo ccLinkingInfo;
 
   public PyCcLinkParamsProvider(CcLinkingInfo ccLinkingInfo) {
+    super(PROVIDER);
     this.ccLinkingInfo = ccLinkingInfo;
   }
 
+  @SkylarkCallable(name = "cc_linking_info", doc = "", documented = false)
   public CcLinkingInfo getCcLinkingInfo() {
     return ccLinkingInfo;
   }
 
   public static final Function<TransitiveInfoCollection, AbstractCcLinkParamsStore> TO_LINK_PARAMS =
       input -> {
-        PyCcLinkParamsProvider provider = input.getProvider(PyCcLinkParamsProvider.class);
+        PyCcLinkParamsProvider provider = input.get(PyCcLinkParamsProvider.PROVIDER);
         return provider == null ? null : provider.getCcLinkingInfo().getCcLinkParamsStore();
       };
 }
diff --git a/src/main/java/com/google/devtools/build/lib/rules/python/PythonConfiguration.java b/src/main/java/com/google/devtools/build/lib/rules/python/PythonConfiguration.java
index b152c7a745..4118856f1e 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/python/PythonConfiguration.java
+++ b/src/main/java/com/google/devtools/build/lib/rules/python/PythonConfiguration.java
@@ -21,6 +21,8 @@ import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable;
 import com.google.devtools.build.lib.events.Event;
 import com.google.devtools.build.lib.events.EventHandler;
 import com.google.devtools.build.lib.skyframe.serialization.autocodec.AutoCodec;
+import com.google.devtools.build.lib.skylarkinterface.SkylarkModule;
+import com.google.devtools.build.lib.skylarkinterface.SkylarkModuleCategory;
 import com.google.devtools.build.lib.util.OS;
 import com.google.devtools.common.options.TriState;
 import java.util.Arrays;
@@ -32,6 +34,10 @@ import java.util.List;
  */
 @AutoCodec
 @Immutable
+@SkylarkModule(
+    name = "py",
+    doc = "A configuration fragment for SWIG.",
+    category = SkylarkModuleCategory.CONFIGURATION_FRAGMENT)
 public class PythonConfiguration extends BuildConfiguration.Fragment {
   private final boolean ignorePythonVersionAttribute;
   private final PythonVersion defaultPythonVersion;
-- 
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