diff options
| -rw-r--r-- | src/main/javassist/bytecode/analysis/ControlFlow.java | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/main/javassist/bytecode/analysis/ControlFlow.java b/src/main/javassist/bytecode/analysis/ControlFlow.java index 736299cb..0bf76a3d 100644 --- a/src/main/javassist/bytecode/analysis/ControlFlow.java +++ b/src/main/javassist/bytecode/analysis/ControlFlow.java @@ -71,6 +71,8 @@ public class ControlFlow { return new Block[size]; } }.make(minfo); + if (basicBlocks == null) + basicBlocks = new Block[0]; int size = basicBlocks.length; int[] counters = new int[size]; for (int i = 0; i < size; i++) { @@ -97,6 +99,9 @@ public class ControlFlow { /** * Returns all the basic blocks in the method body. + * + * @return an array of basic blocks, the array has length 0 if + * the method doesn't have code. */ public Block[] basicBlocks() { return basicBlocks; @@ -133,7 +138,7 @@ public class ControlFlow { * For every array element <code>node</code>, its index in the * array is equivalent to <code>node.block().index()</code>. * - * @return an array of the tree nodes, or null if the method is abstract. + * @return an array of the tree nodes, or null if the method doesn't have code. * @see Node#block() * @see Block#index() */ @@ -179,7 +184,7 @@ public class ControlFlow { * For every array element <code>node</code>, its index in the * array is equivalent to <code>node.block().index()</code>. * - * @return an array of the tree nodes, or null if the method is abstract. + * @return an array of the tree nodes, or null if the method doesn't have code. * @see Node#block() * @see Block#index() */ |