diff options
Diffstat (limited to 'java/java-analysis-impl/src/com/intellij/codeInspection/bytecodeAnalysis/asm/ASMUtils.java')
-rw-r--r-- | java/java-analysis-impl/src/com/intellij/codeInspection/bytecodeAnalysis/asm/ASMUtils.java | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/java/java-analysis-impl/src/com/intellij/codeInspection/bytecodeAnalysis/asm/ASMUtils.java b/java/java-analysis-impl/src/com/intellij/codeInspection/bytecodeAnalysis/asm/ASMUtils.java new file mode 100644 index 000000000000..a6bfdc38732e --- /dev/null +++ b/java/java-analysis-impl/src/com/intellij/codeInspection/bytecodeAnalysis/asm/ASMUtils.java @@ -0,0 +1,57 @@ +/* + * 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 com.intellij.codeInspection.bytecodeAnalysis.asm; + +import org.jetbrains.org.objectweb.asm.Type; +import org.jetbrains.org.objectweb.asm.tree.analysis.BasicValue; + +/** + * @author lambdamix + */ +public class ASMUtils { + public static final Type THROWABLE_TYPE = Type.getType("java/lang/Throwable"); + public static final BasicValue THROWABLE_VALUE = new BasicValue(THROWABLE_TYPE); + + public static boolean isReferenceType(Type tp) { + int sort = tp.getSort(); + return sort == Type.OBJECT || sort == Type.ARRAY; + } + + public static boolean isBooleanType(Type tp) { + return Type.BOOLEAN_TYPE.equals(tp); + } + + public static int getSizeFast(String desc) { + switch (desc.charAt(0)) { + case 'J': + case 'D': + return 2; + default: + return 1; + } + } + + public static int getReturnSizeFast(String methodDesc) { + switch (methodDesc.charAt(methodDesc.indexOf(')') + 1)) { + case 'J': + case 'D': + return 2; + default: + return 1; + } + } + +} |