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;
+    }
+  }
+
+}