klox
YAIL
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klox
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Using Advent of Code to test C3
Last year I did the same: using my extended implementation of Lox. I didn't get so far in Advent of Code itself (only 4 days) since I spent much more time adding features to the language / standard library! Standard Lox as implemented in the Crafting Interpreters book is lacking many useful things including input reading, arrays, collections like sets & hash maps. Example: https://github.com/mrjameshamilton/klox/blob/master/examples/aoc-2021/advent-day01.lox
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JEP draft: Classfile API
I was also experimenting in Kotlin with some higher-level helper functions for the ProGuardCORE code builder, like using code blocks for try-catch, switches etc
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Show HN: I spent my vacation writing a modern JVM assembler
Something else that could make your code generation for your JVM language easier: ProGuardCORE (https://github.com/Guardsquare/proguard-core). It can be used to read, generate and analyse Java bytecode.
Some examples for code generation: ProGuard where the project originated (https://github.com/Guardsquare/proguard), Brainf*ck compiler (https://github.com/mrjameshamilton/bf), Lox compiler (https://github.com/mrjameshamilton/klox)
Disclaimer: I work at Guardsquare on ProGuardCORE so may be biased ;)
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Looking for resources on building a compiler
I implemented Lox in Kotlin based on the book's Java interpreter then added a JVM backend using ProGuardCORE: https://github.com/mrjameshamilton/klox
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Crafting Interpreters – Web Version
It's a great book! I really liked how it guides step-by-step, always having something working building up to the full interpreter for Lox. I haven't yet gotten around to the 2nd part of the book (the C based interpreter/vm) because I got carried away with adding extra features to my Kotlin Lox implementation (including a JVM backend)! https://github.com/mrjameshamilton/klox
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Is there any books or guides on how to target JVM bytecode?
Not a book or guide but a useful library for working with/generating JVM class files is ProGuardCORE. It's the underlying library used by ProGuard and I also recently used it to add a JVM backend to my implementation of Lox from the Crafting Interpreters book.
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Concise language to write an interpreter for?
My implementation can be found here: https://github.com/mrjameshamilton/klox
YAIL
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Concise language to write an interpreter for?
We recently wrote a basic interpreter by directly traversing the ast and doing the operations without requiring any intermediate bytecodes. Though the approach is far from efficient but still you got an working interpreter. Hope it helps. https://github.com/ayushk7/YAIL
What are some alternatives?
proguard-core - Library to read, write, analyze, and process java bytecode
Grasmin - Groovy AST Transformation to allow writing Jasmin code (JVM bytecode) directly on groovy files
kotlin-native - Kotlin/Native infrastructure
jlox-plus - Jlox+ is a superset of the Lox programming language!
jasm - A JVM assembler for the modern age
jssembly - Jssembly is a library that allows you to execute native assembly from Java.
proguard-assembler - Assembler and disassembler for Java class files
Maker - Lightweight, full-featured, low-level dynamic Java class generator designed for ease of use.