diff options
Diffstat (limited to 'tools/external/asm/org/objectweb/asm/optimizer/NameMapping.java')
-rw-r--r-- | tools/external/asm/org/objectweb/asm/optimizer/NameMapping.java | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/tools/external/asm/org/objectweb/asm/optimizer/NameMapping.java b/tools/external/asm/org/objectweb/asm/optimizer/NameMapping.java new file mode 100644 index 000000000..9cefb1ffe --- /dev/null +++ b/tools/external/asm/org/objectweb/asm/optimizer/NameMapping.java @@ -0,0 +1,101 @@ +/*** + * ASM: a very small and fast Java bytecode manipulation framework + * Copyright (c) 2000-2005 INRIA, France Telecom + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF + * THE POSSIBILITY OF SUCH DAMAGE. + */ +package org.objectweb.asm.optimizer; + +import java.io.FileInputStream; +import java.io.IOException; +import java.util.HashSet; +import java.util.Properties; +import java.util.Set; + +import org.objectweb.asm.Type; + +/** + * A mapping from names to names, used to rename classes, fields and methods. + * + * @author Eric Bruneton + */ +public class NameMapping extends Properties { + + public final Set unused; + + public NameMapping(final String file) throws IOException { + load(new FileInputStream(file)); + unused = new HashSet(keySet()); + } + + public String map(final String name) { + String s = (String) get(name); + if (s == null) { + int p = name.indexOf('.'); + if (p != -1) { + int q = name.indexOf('('); + if (q != -1) { + s = name.substring(p + 1, q); + } else { + s = name.substring(p + 1); + } + } else { + s = name; + } + } else { + unused.remove(name); + } + return s; + } + + public String fix(final String desc) { + if (desc.startsWith("(")) { + Type[] arguments = Type.getArgumentTypes(desc); + Type result = Type.getReturnType(desc); + for (int i = 0; i < arguments.length; ++i) { + arguments[i] = fix(arguments[i]); + } + result = fix(result); + return Type.getMethodDescriptor(result, arguments); + } else { + return fix(Type.getType(desc)).getDescriptor(); + } + } + + private Type fix(final Type t) { + if (t.getSort() == Type.OBJECT) { + return Type.getType("L" + map(t.getInternalName()) + ";"); + } else if (t.getSort() == Type.ARRAY) { + String s = fix(t.getElementType()).getDescriptor(); + for (int i = 0; i < t.getDimensions(); ++i) { + s = "[" + s; + } + return Type.getType(s); + } else { + return t; + } + } +} |