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KengoTODA/Issue493.dot

Created August 10, 2020 12:13
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Issue493.dot
digraph Issue493 {
subgraph cluster_method_1 {
label="#method";
graph[style=dotted];
edge1_0 [label="ALOAD (1)"];
edge1_1 [label="javax/sql/DataSource#getConnection()Ljava/sql/Connection;"];
edge1_2 [label="ASTORE (2)"];
edge1_3 [label="class org.objectweb.asm.tree.LabelNode"];
edge1_4 [label="java/lang/System#out (Ljava/io/PrintStream;)"];
edge1_5 [label="java/io/PrintStream#println()V"];
edge1_6 [label="class org.objectweb.asm.tree.LabelNode"];
edge1_7 [label="ALOAD (2)"];
edge1_8 [label="class org.objectweb.asm.tree.JumpInsnNode"];
edge1_9 [label="ALOAD (2)"];
edge1_10 [label="java/sql/Connection#close()V"];
edge1_11 [label="class org.objectweb.asm.tree.JumpInsnNode"];
edge1_12 [label="class org.objectweb.asm.tree.LabelNode"];
edge1_13 [label="class org.objectweb.asm.tree.FrameNode"];
edge1_14 [label="ASTORE (3)"];
edge1_15 [label="ALOAD (2)"];
edge1_16 [label="class org.objectweb.asm.tree.JumpInsnNode"];
edge1_17 [label="class org.objectweb.asm.tree.LabelNode"];
edge1_18 [label="ALOAD (2)"];
edge1_19 [label="java/sql/Connection#close()V"];
edge1_20 [label="class org.objectweb.asm.tree.LabelNode"];
edge1_21 [label="class org.objectweb.asm.tree.JumpInsnNode"];
edge1_22 [label="class org.objectweb.asm.tree.LabelNode"];
edge1_23 [label="class org.objectweb.asm.tree.FrameNode"];
edge1_24 [label="ASTORE (4)"];
edge1_25 [label="ALOAD (3)"];
edge1_26 [label="ALOAD (4)"];
edge1_27 [label="java/lang/Throwable#addSuppressed(Ljava/lang/Throwable;)V"];
edge1_28 [label="class org.objectweb.asm.tree.LabelNode"];
edge1_29 [label="class org.objectweb.asm.tree.FrameNode"];
edge1_30 [label="ALOAD (3)"];
edge1_31 [label="ATHROW"];
edge1_32 [label="class org.objectweb.asm.tree.LabelNode"];
edge1_33 [label="class org.objectweb.asm.tree.FrameNode"];
edge1_34 [label="RETURN"];
edge1_0 -> edge1_1;
edge1_1 -> edge1_2;
edge1_2 -> edge1_3;
edge1_3 -> edge1_4;
edge1_3 -> edge1_12 [color = "red"];
edge1_12 -> edge1_13;
edge1_13 -> edge1_14;
edge1_14 -> edge1_15;
edge1_15 -> edge1_16;
edge1_16 -> edge1_17 [label=""];
edge1_16 -> edge1_28 [label="if null"];
edge1_28 -> edge1_29;
edge1_29 -> edge1_30;
edge1_30 -> edge1_31;
edge1_17 -> edge1_18;
edge1_17 -> edge1_22 [color = "red"];
edge1_22 -> edge1_23;
edge1_23 -> edge1_24;
edge1_24 -> edge1_25;
edge1_25 -> edge1_26;
edge1_26 -> edge1_27;
edge1_27 -> edge1_28;
edge1_18 -> edge1_19;
edge1_18 -> edge1_22 [color = "red"];
edge1_19 -> edge1_20;
edge1_19 -> edge1_22 [color = "red"];
edge1_20 -> edge1_21;
edge1_21 -> edge1_28 [label=""];
edge1_4 -> edge1_5;
edge1_4 -> edge1_12 [color = "red"];
edge1_5 -> edge1_6;
edge1_5 -> edge1_12 [color = "red"];
edge1_6 -> edge1_7;
edge1_7 -> edge1_8;
edge1_8 -> edge1_9 [label=""];
edge1_8 -> edge1_32 [label="if null"];
edge1_32 -> edge1_33;
edge1_33 -> edge1_34;
edge1_9 -> edge1_10;
edge1_10 -> edge1_11;
edge1_11 -> edge1_32 [label=""];
}
}
Raw
Issue493.java
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import javax.sql.DataSource;
/**
* @see <a href="https://github.com/spotbugs/spotbugs/issues/493">GitHub issue</a>
*/
abstract class Issue493 {
void method(DataSource ds) throws SQLException {
try (Connection cnn = ds.getConnection()) {
System.out.println();
}
}
}
Raw
Issue493.javap
Classfile /Users/kengo/GitHub/spotbugs/spotbugsTestCases/build/classes/java/main/Issue493.class
Last modified Aug 10, 2020; size 930 bytes
MD5 checksum da50bae641cd1cfc35731217e8f0ef55
Compiled from "Issue493.java"
abstract class Issue493
minor version: 0
major version: 52
flags: (0x0420) ACC_SUPER, ACC_ABSTRACT
this_class: #8 // Issue493
super_class: #9 // java/lang/Object
interfaces: 0, fields: 0, methods: 2, attributes: 1
Constant pool:
#1 = Methodref #9.#30 // java/lang/Object."<init>":()V
#2 = InterfaceMethodref #24.#31 // javax/sql/DataSource.getConnection:()Ljava/sql/Connection;
#3 = Fieldref #32.#33 // java/lang/System.out:Ljava/io/PrintStream;
#4 = Methodref #34.#35 // java/io/PrintStream.println:()V
#5 = InterfaceMethodref #25.#36 // java/sql/Connection.close:()V
#6 = Class #37 // java/lang/Throwable
#7 = Methodref #6.#38 // java/lang/Throwable.addSuppressed:(Ljava/lang/Throwable;)V
#8 = Class #39 // Issue493
#9 = Class #40 // java/lang/Object
#10 = Utf8 <init>
#11 = Utf8 ()V
#12 = Utf8 Code
#13 = Utf8 LineNumberTable
#14 = Utf8 LocalVariableTable
#15 = Utf8 this
#16 = Utf8 LIssue493;
#17 = Utf8 method
#18 = Utf8 (Ljavax/sql/DataSource;)V
#19 = Utf8 cnn
#20 = Utf8 Ljava/sql/Connection;
#21 = Utf8 ds
#22 = Utf8 Ljavax/sql/DataSource;
#23 = Utf8 StackMapTable
#24 = Class #41 // javax/sql/DataSource
#25 = Class #42 // java/sql/Connection
#26 = Utf8 Exceptions
#27 = Class #43 // java/sql/SQLException
#28 = Utf8 SourceFile
#29 = Utf8 Issue493.java
#30 = NameAndType #10:#11 // "<init>":()V
#31 = NameAndType #44:#45 // getConnection:()Ljava/sql/Connection;
#32 = Class #46 // java/lang/System
#33 = NameAndType #47:#48 // out:Ljava/io/PrintStream;
#34 = Class #49 // java/io/PrintStream
#35 = NameAndType #50:#11 // println:()V
#36 = NameAndType #51:#11 // close:()V
#37 = Utf8 java/lang/Throwable
#38 = NameAndType #52:#53 // addSuppressed:(Ljava/lang/Throwable;)V
#39 = Utf8 Issue493
#40 = Utf8 java/lang/Object
#41 = Utf8 javax/sql/DataSource
#42 = Utf8 java/sql/Connection
#43 = Utf8 java/sql/SQLException
#44 = Utf8 getConnection
#45 = Utf8 ()Ljava/sql/Connection;
#46 = Utf8 java/lang/System
#47 = Utf8 out
#48 = Utf8 Ljava/io/PrintStream;
#49 = Utf8 java/io/PrintStream
#50 = Utf8 println
#51 = Utf8 close
#52 = Utf8 addSuppressed
#53 = Utf8 (Ljava/lang/Throwable;)V
{
Issue493();
descriptor: ()V
flags: (0x0000)
Code:
stack=1, locals=1, args_size=1
0: aload_0
1: invokespecial #1 // Method java/lang/Object."<init>":()V
4: return
LineNumberTable:
line 11: 0
LocalVariableTable:
Start Length Slot Name Signature
0 5 0 this LIssue493;
void method(javax.sql.DataSource) throws java.sql.SQLException;
descriptor: (Ljavax/sql/DataSource;)V
flags: (0x0000)
Code:
stack=2, locals=5, args_size=2
0: aload_1
1: invokeinterface #2, 1 // InterfaceMethod javax/sql/DataSource.getConnection:()Ljava/sql/Connection;
6: astore_2
7: getstatic #3 // Field java/lang/System.out:Ljava/io/PrintStream;
10: invokevirtual #4 // Method java/io/PrintStream.println:()V
13: aload_2
14: ifnull 50
17: aload_2
18: invokeinterface #5, 1 // InterfaceMethod java/sql/Connection.close:()V
23: goto 50
26: astore_3
27: aload_2
28: ifnull 48
31: aload_2
32: invokeinterface #5, 1 // InterfaceMethod java/sql/Connection.close:()V
37: goto 48
40: astore 4
42: aload_3
43: aload 4
45: invokevirtual #7 // Method java/lang/Throwable.addSuppressed:(Ljava/lang/Throwable;)V
48: aload_3
49: athrow
50: return
Exception table:
from to target type
7 13 26 Class java/lang/Throwable
31 37 40 Class java/lang/Throwable
LineNumberTable:
line 13: 0
line 14: 7
line 15: 13
line 13: 26
line 16: 50
LocalVariableTable:
Start Length Slot Name Signature
7 43 2 cnn Ljava/sql/Connection;
0 51 0 this LIssue493;
0 51 1 ds Ljavax/sql/DataSource;
StackMapTable: number_of_entries = 4
frame_type = 255 /* full_frame */
offset_delta = 26
locals = [ class Issue493, class javax/sql/DataSource, class java/sql/Connection ]
stack = [ class java/lang/Throwable ]
frame_type = 255 /* full_frame */
offset_delta = 13
locals = [ class Issue493, class javax/sql/DataSource, class java/sql/Connection, class java/lang/Throwable ]
stack = [ class java/lang/Throwable ]
frame_type = 7 /* same */
frame_type = 249 /* chop */
offset_delta = 1
Exceptions:
throws java.sql.SQLException
}
SourceFile: "Issue493.java"
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Issue493.svg
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