From a02b2767ce275b152ed647974e1dc074d0ad3007 Mon Sep 17 00:00:00 2001
From: Cal Peyser <cpeyser@google.com>
Date: Fri, 23 Sep 2016 14:04:28 +0000
Subject: Rollback of commit 4946ab9d5b5d78862c043e35342107a1b9b2f398.

*** Reason for rollback ***

We *still* have case discrepancies in objc code, which appears to be a hard blocker to .d pruning. This change will not work until we've found some way to enforce case-consistency.

*** Original change description ***

Implement input pruning using .d files in objc.

--
MOS_MIGRATED_REVID=134069949
---
 .../build/lib/rules/cpp/FakeCppCompileAction.java  | 33 ++++------------------
 1 file changed, 5 insertions(+), 28 deletions(-)

(limited to 'src/main/java/com/google/devtools/build/lib/rules/cpp/FakeCppCompileAction.java')

diff --git a/src/main/java/com/google/devtools/build/lib/rules/cpp/FakeCppCompileAction.java b/src/main/java/com/google/devtools/build/lib/rules/cpp/FakeCppCompileAction.java
index f7c47301ae..ad7d5fe735 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/cpp/FakeCppCompileAction.java
+++ b/src/main/java/com/google/devtools/build/lib/rules/cpp/FakeCppCompileAction.java
@@ -34,7 +34,6 @@ import com.google.devtools.build.lib.analysis.RuleContext;
 import com.google.devtools.build.lib.analysis.config.BuildConfiguration;
 import com.google.devtools.build.lib.cmdline.Label;
 import com.google.devtools.build.lib.collect.nestedset.NestedSet;
-import com.google.devtools.build.lib.collect.nestedset.NestedSetBuilder;
 import com.google.devtools.build.lib.concurrent.ThreadSafety.ThreadCompatible;
 import com.google.devtools.build.lib.events.Event;
 import com.google.devtools.build.lib.rules.cpp.CcToolchainFeatures.FeatureConfiguration;
@@ -42,7 +41,6 @@ import com.google.devtools.build.lib.util.Preconditions;
 import com.google.devtools.build.lib.util.ShellEscaper;
 import com.google.devtools.build.lib.util.io.FileOutErr;
 import com.google.devtools.build.lib.vfs.FileSystemUtils;
-import com.google.devtools.build.lib.vfs.Path;
 import com.google.devtools.build.lib.vfs.PathFragment;
 import java.io.IOException;
 import java.util.UUID;
@@ -81,7 +79,7 @@ public class FakeCppCompileAction extends CppCompileAction {
       ImmutableList<String> copts,
       Predicate<String> nocopts,
       RuleContext ruleContext,
-      CppSemantics cppSemantics) {
+      CppSemantics semantics) {
     super(
         owner,
         features,
@@ -119,7 +117,7 @@ public class FakeCppCompileAction extends CppCompileAction {
         ImmutableMap.<String, String>of(),
         CppCompileAction.CPP_COMPILE,
         ruleContext,
-        cppSemantics);
+        semantics);
     this.tempOutputFile = Preconditions.checkNotNull(tempOutputFile);
   }
 
@@ -150,30 +148,9 @@ public class FakeCppCompileAction extends CppCompileAction {
       }
     }
     IncludeScanningContext scanningContext = executor.getContext(IncludeScanningContext.class);
-    Path execRoot = executor.getExecRoot();
-    
-    NestedSet<Artifact> discoveredInputs;
-    if (getDotdFile() == null) {
-      discoveredInputs = NestedSetBuilder.<Artifact>stableOrder().build();
-    } else {
-      HeaderDiscovery.Builder discoveryBuilder = new HeaderDiscovery.Builder()
-            .setAction(this)
-            .setDotdFile(getDotdFile())
-            .setSourceFile(getSourceFile())
-            .setSpecialInputsHandler(specialInputsHandler)
-            .setDependencySet(processDepset(execRoot, reply))
-            .setPermittedSystemIncludePrefixes(getPermittedSystemIncludePrefixes(execRoot))
-            .setAllowedDerivedinputsMap(getAllowedDerivedInputsMap());
-      
-      if (cppSemantics.needsIncludeValidation()) {
-        discoveryBuilder.shouldValidateInclusions();
-      }
-      
-      discoveredInputs = discoveryBuilder
-            .build()
-            .discoverInputsFromDotdFiles(execRoot, scanningContext.getArtifactResolver());
-    }
-     
+    NestedSet<Artifact> discoveredInputs =
+        discoverInputsFromDotdFiles(
+            executor.getExecRoot(), scanningContext.getArtifactResolver(), reply);
     reply = null; // Clear in-memory .d files early.
 
     // Even cc_fake_binary rules need to properly declare their dependencies...
-- 
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