https://github.com/rethab/awk-jvm

a toy jvm in awk
https://github.com/rethab/awk-jvm

hacktoberfest

Last synced: about 2 months ago
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a toy jvm in awk

• Host: GitHub
• URL: https://github.com/rethab/awk-jvm
• Owner: rethab
• License: mit
• Created: 2020-06-10T14:27:01.000Z (over 4 years ago)
• Default Branch: master
• Last Pushed: 2021-10-08T07:45:37.000Z (almost 3 years ago)
• Last Synced: 2024-06-21T19:57:33.745Z (3 months ago)
• Topics: hacktoberfest
• Language: Awk
• Homepage:
• Size: 14.6 KB
• Stars: 165
• Watchers: 4
• Forks: 6
• Open Issues: 2
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# awk-jvm

a toy jvm in awk, based on this tutorial: https://zserge.com/posts/jvm/

## notes

- this requires gawk, because of functions and the builtin `strtonum`

- since none of the awks can read binary, you first need to pipe the classfile through hexdump

  - example (see run.sh): `javac Add.java && hexdump -v -e '/1 "%01u "' Add.class  | awk -f jvm.awk`

  

# what can it do?

- not a lot (eg. call methods and basic operations, see Add.java)