diff options
Diffstat (limited to 'plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/struct/gen/MethodDescriptor.java')
-rw-r--r-- | plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/struct/gen/MethodDescriptor.java | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/struct/gen/MethodDescriptor.java b/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/struct/gen/MethodDescriptor.java new file mode 100644 index 000000000000..7dbc16c317f2 --- /dev/null +++ b/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/struct/gen/MethodDescriptor.java @@ -0,0 +1,102 @@ +/* + * Copyright 2000-2014 JetBrains s.r.o. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.jetbrains.java.decompiler.struct.gen; + +import java.util.ArrayList; +import java.util.Arrays; +import java.util.List; + +public class MethodDescriptor { + + public VarType[] params; + + public VarType ret; + + + public static MethodDescriptor parseDescriptor(String mdescr) { + + MethodDescriptor md = new MethodDescriptor(); + + List<String> lst = new ArrayList<String>(); + String[] pars = mdescr.split("[()]"); + + String par = pars[1]; + + int indexFrom = -1, ind, index = 0; + int len = par.length(); + + for (; index < len; index++) { + + switch (par.charAt(index)) { + case '[': + if (indexFrom < 0) { + indexFrom = index; + } + break; + case 'L': + ind = par.indexOf(";", index); + lst.add(par.substring(indexFrom < 0 ? index : indexFrom, ind + 1)); + index = ind; + indexFrom = -1; + break; + default: + lst.add(par.substring(indexFrom < 0 ? index : indexFrom, index + 1)); + indexFrom = -1; + } + } + + lst.add(pars[2]); + + + md.params = new VarType[lst.size() - 1]; + + int i = 0; + for (; i < lst.size() - 1; i++) { + md.params[i] = new VarType(lst.get(i)); + } + md.ret = new VarType(lst.get(i)); + + return md; + } + + public String getDescriptor() { + String res = "("; + + for (int j = 0; j < params.length; j++) { + res += params[j].toString(); + } + + res += ")" + ret.toString(); + + return res; + } + + @Override + public boolean equals(Object o) { + if (o == this) return true; + if (o == null || !(o instanceof MethodDescriptor)) return false; + + MethodDescriptor md = (MethodDescriptor)o; + return ret.equals(md.ret) && Arrays.equals(params, md.params); + } + + @Override + public int hashCode() { + int result = ret.hashCode(); + result = 31 * result + params.length; + return result; + } +} |