pl0c
pegasus
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pl0c
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The Super Tiny Compiler
> Some compilers tokenize while parsing, but for a different reason: it's faster and uses less memory to generate the AST
And some don't even generate an AST. :) Just read in and emit or interpret.
https://briancallahan.net/blog/20210814.html
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single pass compilers (basic questions)
Single-pass compiler tutorial
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Compiler tutorials.
Let's Write a Compiler
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Let's write a compiler, part 3: A parser
I don’t think there will be an AST. https://briancallahan.net/blog/20210814.html: “We will be writing a single-pass compiler for a simple language and immediately output our final output code as soon as our compiler has enough information to do so”
That “as soon as” implies code will be generated before the entire program has been parsed.
Also, for me single-pass implies “no AST”, as you would need at least one pass to construct one, and iterating over an AST counts as another pass for me.
pegasus
What are some alternatives?
cproc - C11 compiler (mirror)
crystal-pegmatite - A high-performance Parsing Expression Grammar (PEG) library for the Crystal language. :gem: :capital_abcd:
honey-potion - Writing eBPF programs with Elixir!
backtracer.cr - Crystal shard aiming to assist with parsing backtraces into a structured form.
Understanding-Unix-Linux-Programming - Source code of Understanding Unix/Linux Programming. The book provides example code in C, I would like to replicate it in Rust.
HAR - HAR (HTTP Archive) parser in Crystal
swifties - a custom language construction kit
crystal - The Crystal Programming Language
mini-c - Dr Strangehack, or: how to write a self-hosting C compiler in 10 hours
myhtml - Fast HTML5 Parser with css selectors for Crystal language
rawhide - find files using pretty C expressions
m3u8 - Generate and parse m3u8 playlists for HTTP Live Streaming (HLS) in Crystal.