解语法糖之私有构造函数
Posted extjs4
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package com.test18;
class Outer {
private Outer(String... a) { }
class AOuter extends Outer {
public AOuter() {
super("a", "b");
}
}
}
class Outer$AOuter extends Outer {
/*synthetic*/ final Outer this$0;
public Outer$AOuter(/*synthetic*/ final Outer this$0) {
this.this$0 = this$0;
super(new String[]{"a", "b"}, null);
}
}
/*synthetic*/ class Outer$1 { }
class Outer {
/*synthetic*/ Outer(String[] x0, com.test18.Outer$1 x1) {
this(x0);
}
{ }
private Outer(String... a) { super(); }
{ }
}
Classfile /C:/Outer.class
Last modified 2018-7-21; size 431 bytes
MD5 checksum f9fb0902bfd917d1a14f0a7002a1c52a
Compiled from "TestScope.java"
class com.test18.Outer
SourceFile: "TestScope.java"
InnerClasses:
static #5 of #3; //class com/test18/Outer$1 of class com/test18/Outer
#9= #8 of #3; //AOuter=class com/test18/Outer$AOuter of class com/test18/Outer
minor version: 0
major version: 51
flags: ACC_SUPER
Constant pool:
#1 = Methodref #3.#17 // com/test18/Outer."<init>":([Ljava/lang/String;)V
#2 = Methodref #4.#18 // java/lang/Object."<init>":()V
#3 = Class #19 // com/test18/Outer
#4 = Class #20 // java/lang/Object
#5 = Class #21 // com/test18/Outer$1
#6 = Utf8
#7 = Utf8 InnerClasses
#8 = Class #22 // com/test18/Outer$AOuter
#9 = Utf8 AOuter
#10 = Utf8 <init>
#11 = Utf8 ([Ljava/lang/String;)V
#12 = Utf8 Code
#13 = Utf8 LineNumberTable
#14 = Utf8 ([Ljava/lang/String;Lcom/test18/Outer$1;)V
#15 = Utf8 SourceFile
#16 = Utf8 TestScope.java
#17 = NameAndType #10:#11 // "<init>":([Ljava/lang/String;)V
#18 = NameAndType #10:#23 // "<init>":()V
#19 = Utf8 com/test18/Outer
#20 = Utf8 java/lang/Object
#21 = Utf8 com/test18/Outer$1
#22 = Utf8 com/test18/Outer$AOuter
#23 = Utf8 ()V
{
com.test18.Outer(java.lang.String[], com.test18.Outer$1);
flags: ACC_SYNTHETIC
Code:
stack=2, locals=3, args_size=3
0: aload_0
1: aload_1
2: invokespecial #1 // Method "<init>":([Ljava/lang/String;)V
5: return
LineNumberTable:
line 3: 0
}
Classfile /C:/Outer$1.class
Last modified 2018-7-21; size 192 bytes
MD5 checksum 1734aca70f81eb4db6129e52b05ad3e2
Compiled from "TestScope.java"
class com.test18.Outer$1
SourceFile: "TestScope.java"
EnclosingMethod: #6.#0 // com.test18.Outer
InnerClasses:
static #1 of #6; //class com/test18/Outer$1 of class com/test18/Outer
minor version: 0
major version: 51
flags: ACC_SUPER, ACC_SYNTHETIC
Constant pool:
#1 = Class #7 // com/test18/Outer$1
#2 = Class #10 // java/lang/Object
#3 = Utf8 SourceFile
#4 = Utf8 TestScope.java
#5 = Utf8 EnclosingMethod
#6 = Class #11 // com/test18/Outer
#7 = Utf8 com/test18/Outer$1
#8 = Utf8
#9 = Utf8 InnerClasses
#10 = Utf8 java/lang/Object
#11 = Utf8 com/test18/Outer
{
}
Classfile /C:/Outer$AOuter.class
Last modified 2018-7-21; size 456 bytes
MD5 checksum 60e4c039f01fe779661c72038363ca4f
Compiled from "TestScope.java"
class com.test18.Outer$AOuter extends com.test18.Outer
SourceFile: "TestScope.java"
InnerClasses:
#22= #6 of #7; //AOuter=class com/test18/Outer$AOuter of class com/test18/Outer
static #25 of #7; //class com/test18/Outer$1 of class com/test18/Outer
minor version: 0
major version: 51
flags: ACC_SUPER
Constant pool:
#1 = Fieldref #6.#16 // com/test18/Outer$AOuter.this$0:Lcom/test18/Outer;
#2 = Class #17 // java/lang/String
#3 = String #18 // a
#4 = String #19 // b
#5 = Methodref #7.#20 // com/test18/Outer."<init>":([Ljava/lang/String;Lcom/test18/Outer$1;)V
#6 = Class #21 // com/test18/Outer$AOuter
#7 = Class #24 // com/test18/Outer
#8 = Utf8 this$0
#9 = Utf8 Lcom/test18/Outer;
#10 = Utf8 <init>
#11 = Utf8 (Lcom/test18/Outer;)V
#12 = Utf8 Code
#13 = Utf8 LineNumberTable
#14 = Utf8 SourceFile
#15 = Utf8 TestScope.java
#16 = NameAndType #8:#9 // this$0:Lcom/test18/Outer;
#17 = Utf8 java/lang/String
#18 = Utf8 a
#19 = Utf8 b
#20 = NameAndType #10:#27 // "<init>":([Ljava/lang/String;Lcom/test18/Outer$1;)V
#21 = Utf8 com/test18/Outer$AOuter
#22 = Utf8 AOuter
#23 = Utf8 InnerClasses
#24 = Utf8 com/test18/Outer
#25 = Class #28 // com/test18/Outer$1
#26 = Utf8
#27 = Utf8 ([Ljava/lang/String;Lcom/test18/Outer$1;)V
#28 = Utf8 com/test18/Outer$1
{
final com.test18.Outer this$0;
flags: ACC_FINAL, ACC_SYNTHETIC
public com.test18.Outer$AOuter(com.test18.Outer);
flags: ACC_PUBLIC
Code:
stack=5, locals=2, args_size=2
0: aload_0
1: aload_1
2: putfield #1 // Field this$0:Lcom/test18/Outer;
5: aload_0
6: iconst_2
7: anewarray #2 // class java/lang/String
10: dup
11: iconst_0
12: ldc #3 // String a
14: aastore
15: dup
16: iconst_1
17: ldc #4 // String b
19: aastore
20: aconst_null
21: invokespecial #5 // Method com/test18/Outer."<init>":([Ljava/lang/String;Lcom/test18/Outer$1;)V
24: return
LineNumberTable:
line 10: 0
line 11: 5
line 12: 24
}
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