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path: root/src/proguard/obfuscate/ParameterNameMarker.java
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Diffstat (limited to 'src/proguard/obfuscate/ParameterNameMarker.java')
-rw-r--r--src/proguard/obfuscate/ParameterNameMarker.java128
1 files changed, 0 insertions, 128 deletions
diff --git a/src/proguard/obfuscate/ParameterNameMarker.java b/src/proguard/obfuscate/ParameterNameMarker.java
deleted file mode 100644
index fbe8a81..0000000
--- a/src/proguard/obfuscate/ParameterNameMarker.java
+++ /dev/null
@@ -1,128 +0,0 @@
-/*
- * ProGuard -- shrinking, optimization, obfuscation, and preverification
- * of Java bytecode.
- *
- * Copyright (c) 2002-2014 Eric Lafortune (eric@graphics.cornell.edu)
- *
- * 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.obfuscate;
-
-import proguard.classfile.*;
-import proguard.classfile.attribute.*;
-import proguard.classfile.attribute.visitor.AttributeVisitor;
-import proguard.classfile.util.SimplifiedVisitor;
-
-/**
- * This AttributeVisitor trims and marks all local variable (type) table
- * attributes that it visits. It keeps parameter names and types and removes
- * the ordinary local variable names and types.
- *
- * @author Eric Lafortune
- */
-public class ParameterNameMarker
-extends SimplifiedVisitor
-implements AttributeVisitor
-{
- private final AttributeVisitor attributeUsageMarker;
-
-
- /**
- * Constructs a new ParameterNameMarker.
- * @param attributeUsageMarker the marker that will be used to mark
- * attributes containing local variable info.
- */
- public ParameterNameMarker(AttributeVisitor attributeUsageMarker)
- {
- this.attributeUsageMarker = attributeUsageMarker;
- }
-
-
- // Implementations for AttributeVisitor.
-
- public void visitAnyAttribute(Clazz clazz, Attribute attribute) {}
-
-
- public void visitLocalVariableTableAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute, LocalVariableTableAttribute localVariableTableAttribute)
- {
- if (!AttributeUsageMarker.isUsed(localVariableTableAttribute) &&
- hasParameters(clazz, method))
- {
- // Shift the entries that start at offset 0 to the front.
- int newIndex = 0;
-
- for (int index = 0; index < localVariableTableAttribute.u2localVariableTableLength; index++)
- {
- LocalVariableInfo localVariableInfo =
- localVariableTableAttribute.localVariableTable[index];
-
- if (localVariableInfo.u2startPC == 0)
- {
- localVariableTableAttribute.localVariableTable[newIndex++] =
- localVariableInfo;
- }
- }
-
- // Trim the table.
- localVariableTableAttribute.u2localVariableTableLength = newIndex;
-
- // Mark the table if there are any entries.
- if (newIndex > 0)
- {
- attributeUsageMarker.visitLocalVariableTableAttribute(clazz, method, codeAttribute, localVariableTableAttribute);
- }
- }
- }
-
-
- public void visitLocalVariableTypeTableAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute, LocalVariableTypeTableAttribute localVariableTypeTableAttribute)
- {
- if (!AttributeUsageMarker.isUsed(localVariableTypeTableAttribute) &&
- hasParameters(clazz, method))
- {
- // Shift the entries that start at offset 0 to the front.
- int newIndex = 0;
-
- for (int index = 0; index < localVariableTypeTableAttribute.u2localVariableTypeTableLength; index++)
- {
- LocalVariableTypeInfo localVariableTypeInfo =
- localVariableTypeTableAttribute.localVariableTypeTable[index];
-
- if (localVariableTypeInfo.u2startPC == 0)
- {
- localVariableTypeTableAttribute.localVariableTypeTable[newIndex++] =
- localVariableTypeInfo;
- }
- }
-
- // Trim the table.
- localVariableTypeTableAttribute.u2localVariableTypeTableLength = newIndex;
-
- // Mark the table if there are any entries.
- if (newIndex > 0)
- {
- attributeUsageMarker.visitLocalVariableTypeTableAttribute(clazz, method, codeAttribute, localVariableTypeTableAttribute);
- }
- }
- }
-
-
- // Small utility methods.
-
- private boolean hasParameters(Clazz clazz, Method method)
- {
- return method.getDescriptor(clazz).charAt(1) != ClassConstants.METHOD_ARGUMENTS_CLOSE;
- }
-} \ No newline at end of file