diff options
Diffstat (limited to 'java/java-analysis-impl/src/com/intellij/codeInspection/bytecodeAnalysis/asm/LiteFramelessAnalyzer.java')
-rw-r--r-- | java/java-analysis-impl/src/com/intellij/codeInspection/bytecodeAnalysis/asm/LiteFramelessAnalyzer.java | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/java/java-analysis-impl/src/com/intellij/codeInspection/bytecodeAnalysis/asm/LiteFramelessAnalyzer.java b/java/java-analysis-impl/src/com/intellij/codeInspection/bytecodeAnalysis/asm/LiteFramelessAnalyzer.java new file mode 100644 index 000000000000..0a9721018862 --- /dev/null +++ b/java/java-analysis-impl/src/com/intellij/codeInspection/bytecodeAnalysis/asm/LiteFramelessAnalyzer.java @@ -0,0 +1,56 @@ +/* + * 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.tree.AbstractInsnNode; +import org.jetbrains.org.objectweb.asm.tree.analysis.AnalyzerException; + +import java.util.List; + +/** + * Specialized lite version of {@link FramelessAnalyzer}. + * No processing of Subroutines. May be used for methods without JSR/RET instructions. + * + * @author lambdamix + */ +public class LiteFramelessAnalyzer extends FramelessAnalyzer { + + @Override + protected void findSubroutine(int insn, FramelessAnalyzer.Subroutine sub, List<AbstractInsnNode> calls) throws AnalyzerException { + } + + @Override + protected void merge(final int insn, final FramelessAnalyzer.Subroutine subroutine) throws AnalyzerException { + if (!wasQueued[insn]) { + wasQueued[insn] = true; + if (!queued[insn]) { + queued[insn] = true; + queue[top++] = insn; + } + } + } + + @Override + protected void merge(final int insn, final FramelessAnalyzer.Subroutine subroutineBeforeJSR, final boolean[] access) throws AnalyzerException { + if (!wasQueued[insn]) { + wasQueued[insn] = true; + if (!queued[insn]) { + queued[insn] = true; + queue[top++] = insn; + } + } + } +} |