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GUI tool for investigating Java class files

License: MIT License

Java 99.59% Lua 0.38% CSS 0.02%

bitcoin jvm lua wasm

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classpy's Issues

classpy 无法执行

我使用java 1.8、gradle 3.1构建的项目；当执行build／scripts／classpy文件的时候出现
Error: Could not find or load main class com.github.zxh.classpy.gui.ClasspyApp

按照quickstart方法操作完了报错

classpy HelloWorld.class
错误: 找不到或无法加载主类 com.github.zxh.classpy.gui.ClasspyApp
原因: java.lang.NoClassDefFoundError: javafx/application/Application

Mac installation encountered such a problem

错误: 找不到或无法加载主类 com.github.zxh.classpy.gui.ClasspyApp
原因: java.lang.NoClassDefFoundError: javafx/application/Application

Not working on macOS

brew tap guxingke/repo && brew install classpy

$ java --version
java 15.0.1 2020-10-20
Java(TM) SE Runtime Environment (build 15.0.1+9-18)
Java HotSpot(TM) 64-Bit Server VM (build 15.0.1+9-18, mixed mode, sharing)

$ classpy hello.class
Error: Could not find or load main class com.github.zxh.classpy.gui.ClasspyApp
Caused by: java.lang.NoClassDefFoundError: javafx/application/Application

It is pretty better to add disassembler utility .

which transfer bytecode to jvm instructions .

Menu font displayed incorrectly built by source

Java Environment

openjdk 15.0.2 2021-01-19
OpenJDK Runtime Environment Corretto-15.0.2.7.1 (build 15.0.2+7)
OpenJDK 64-Bit Server VM Corretto-15.0.2.7.1 (build 15.0.2+7, mixed mode, sharing)

After following the command to build and run

cd path/to/classpy
./gradlew fatJar

./gradlew run

The GUI menu font not displayed correctly.

Seems like the font style is not set, after I set the scene style in ClasspyApp.java, it works.

        scene.getRoot().setStyle("-fx-font-family: 'serif'");

brew安装报错

执行 brew tap guxingke/repo && brew install classpy

Error: classpy: /usr/local/Homebrew/Library/Taps/guxingke/homebrew-repo/Formula/classpy.rb:10:@8' is not allowed as an instance variable name
/usr/local/Homebrew/Library/Taps/guxingke/homebrew-repo/Formula/classpy.rb:10: syntax error, unexpected end-of-input, expecting end
depends_on :openjdk@8
`

brew doctor 检查没有错误
系统版本11.5.1

great tool!

请问有windows版本吗？

在windows系统可以使用的

Can't work on MacOS.

When I try Command:
brew tap guxingke/repo

It shows:

==> Tapping guxingke/repo
Cloning into '/usr/local/Homebrew/Library/Taps/guxingke/homebrew-repo'...
remote: Enumerating objects: 44, done.
remote: Counting objects: 100% (4/4), done.
remote: Compressing objects: 100% (3/3), done.
remote: Total 44 (delta 0), reused 2 (delta 0), pack-reused 40
Unpacking objects: 100% (44/44), done.
Error: Invalid formula: /usr/local/Homebrew/Library/Taps/guxingke/homebrew-repo/Formula/classpy.rb
classpy: /usr/local/Homebrew/Library/Taps/guxingke/homebrew-repo/Formula/classpy.rb:10: `@8' is not allowed as an instance variable name
/usr/local/Homebrew/Library/Taps/guxingke/homebrew-repo/Formula/classpy.rb:10: syntax error, unexpected end-of-input, expecting end
depends_on :openjdk@8
^
Error: Cannot tap guxingke/repo: invalid syntax in tap!

能否提供maven版本

gradle官网国内被墙多年，构建多有不便。

0.7找不到主类

exe

why not simplify the run operation? like a .exe

对Class文件中的Long类型解析错误

如题，Java源码如下所示：

package jvmgo.book.ch03;

public class ClassFileTest {
    
    public static final boolean FLAG = true;
    public static final byte BYTE = 123;
    public static final char X = 'X';
    public static final short SHORT = 12345;
    public static final int INT = 123456789;
    public static final long LONG = 12345678901L;
    public static final float PI = 3.14f;
    public static final double E = 2.71828;
    
    public static void main(String[] args) throws RuntimeException {
        System.out.println("Hello, World!");
    }
    
}

对于其中的public static final long LONG = 12345678901L;进行解析是，在常量池中，这个12345678901L解析出现错误。错误截图如下所示：

javap -v的结果如下所示：

几点用户体验上的优化建议

提前编译, 提供分发包.
提供从命令行启动的命令
提供命令行参数, 用来快速打开指定文件.

如有需要,乐意效劳.

compile failed

 ./gradlew fatJar
Downloading https://services.gradle.org/distributions/gradle-6.7-bin.zip
.........10%..........20%..........30%..........40%..........50%.........60%..........70%..........80%..........90%..........100%

Welcome to Gradle 6.7!

Here are the highlights of this release:
 - File system watching is ready for production use
 - Declare the version of Java your build requires
 - Java 15 support

For more details see https://docs.gradle.org/6.7/release-notes.html

Starting a Gradle Daemon (subsequent builds will be faster)

FAILURE: Build failed with an exception.

* What went wrong:
java.lang.UnsupportedClassVersionError: org/openjfx/gradle/JavaFXPlugin has been compiled by a more recent version of the Java Runtime (class file version 55.0), this version of the Java Runtime only recognizes class file versions up to 52.0
> org/openjfx/gradle/JavaFXPlugin has been compiled by a more recent version of the Java Runtime (class file version 55.0), this version of the Java Runtime only recognizes class file versions up to 52.0

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

* Get more help at https://help.gradle.org

BUILD FAILED in 40s

疑问：为什么会有bitcoin（比特币）相关的代码classpy-bitcoin?

build不成功

build与run都不成功，提示“程序包javafx.scene.image不存在”，是不是与我使用的是openJDK有关？