1 files changed, 59 insertions, 0 deletions
diff --git a/third_party/java/proguard/proguard5.3.3/src/proguard/optimize/evaluation/TracedBranchUnit.java b/third_party/java/proguard/proguard5.3.3/src/proguard/optimize/evaluation/TracedBranchUnit.java
new file mode 100644
index 0000000000..8d6e1504ab
--- /dev/null
+++ b/third_party/java/proguard/proguard5.3.3/src/proguard/optimize/evaluation/TracedBranchUnit.java
@@ -0,0 +1,59 @@
+/*
+ * ProGuard -- shrinking, optimization, obfuscation, and preverification
+ *             of Java bytecode.
+ *
+ * Copyright (c) 2002-2017 Eric Lafortune @ GuardSquare
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+package proguard.optimize.evaluation;
+
+import proguard.classfile.Clazz;
+import proguard.classfile.attribute.CodeAttribute;
+import proguard.evaluation.BasicBranchUnit;
+import proguard.evaluation.value.Value;
+
+/**
+ * This BranchUnit remembers the branch unit commands that are invoked on it.
+ *
+ * @author Eric Lafortune
+ */
+class   TracedBranchUnit
+extends BasicBranchUnit
+{
+    // Implementations for BranchUnit.
+
+    public void branchConditionally(Clazz         clazz,
+                                    CodeAttribute codeAttribute,
+                                    int           offset,
+                                    int           branchTarget,
+                                    int           conditional)
+    {
+        if      (conditional == Value.ALWAYS)
+        {
+            // Always branch.
+            super.branch(clazz, codeAttribute, offset, branchTarget);
+        }
+        else if (conditional != Value.NEVER)
+        {
+            // Maybe branch.
+            super.branchConditionally(clazz, codeAttribute, offset, branchTarget, conditional);
+        }
+        else
+        {
+            super.setCalled();
+        }
+    }
+}