Show HN: I wrote a Java decompiler in pure C language

1. garlic

   1 5 368 5.9 C

   Android/Java decompiler written in C

   

   I am always curious how different C programs decide how to manage memory.

   In this case there are is a custom string library. Functions returned owned heap-allocated strings.

   However, I think there's a problem where static strings are used interchangably with heap-allocated strings, such as in the function `string class_simple_name(string full)` ( https://github.com/neocanable/garlic/blob/72357ddbcffdb75641... )

   Sometimes it returns a static string like `g_str_int` and sometimes a newly heap-allocated string, such as returned by `class_type_array_name(g_str_int, depth)`.

   Callers have no way to properly release the memory allocated by this function.

2. Stream

   getstream.io featured

   Stream - Scalable APIs for Chat, Feeds, Moderation, & Video. Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.

   

3. jikespg

   2 1 9 - C

   Philippe Charles's LALR Parser Generator. It was used to build the Eclipse Java compiler, as well as many of IBM's product compilers.

   

   The "jikes" compiler from IBM <https://github.com/daveshields/jikespg> was written in C++ and was for the longest time screaming fast. It also had its own parser generator lpg which was fun to play with, if you're into those things <https://github.com/daveshields/jikespg>

   It seems someone liked it and made a "v2" along with LSP support https://github.com/A-LPG/LPG2#lpg2

4. LPG2

   3 1 5 - C++

   The LALR parser generator (LPG) is a tool for developing scanners and parsers. Supports multi-language . Input is specified by BNF rules. LPG supports backtracking (to resolve ambiguity), automatic AST generation and grammar inheritance.

   

   The "jikes" compiler from IBM <https://github.com/daveshields/jikespg> was written in C++ and was for the longest time screaming fast. It also had its own parser generator lpg which was fun to play with, if you're into those things <https://github.com/daveshields/jikespg>

   It seems someone liked it and made a "v2" along with LSP support https://github.com/A-LPG/LPG2#lpg2

5. ladybird

   4 59 45,366 10.0 C++

   Truly independent web browser

   

6. intellij-community

   5 113 18,184 10.0 Java

   IntelliJ IDEA Community Edition & IntelliJ Platform

   

   I don't think it's available in a standalone repo but it IS available as a standalone library, IntelliJ's FernFlower decompiler is the gold standard https://github.com/JetBrains/intellij-community/blob/master/... https://www.jetbrains.com/intellij-repository/releases

   I guess there's some history there that I'm not familiar with because JBoss also has a FernFlower decompiler library https://mvnrepository.com/artifact/org.jboss.windup.decompil...

7. vineflower

   6 11 1,547 7.6 Java

   Modern Java decompiler aiming to be as accurate as possible, with an emphasis on output quality. Fork of the Fernflower decompiler.

   

8. ghidra

   7 134 58,700 10.0 Java

   Ghidra is a software reverse engineering (SRE) framework

   

   https://github.com/NationalSecurityAgency/ghidra/blob/Ghidra... (Apache 2)

9. InfluxDB

   www.influxdata.com featured

   InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.

   

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