pl0c
FLOX
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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.
FLOX
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Let's write a compiler, part 3: A parser
The code isn't perfect, it's a learning project and still WIP, but you can check the code for a parser for the LOX language ( c-like) from 'Crafting Interpreters' in this project. 'Ast.fs' and 'Parser.fs' should be enough to get an idea of what it's doing.You can also google the grammar of the language which is quite simple:
https://github.com/BazookaMusic/FLOX
What are some alternatives?
cproc - C11 compiler (mirror)
swifties - a custom language construction kit
pegasus - A parser generator for C and Crystal.
honey-potion - Writing eBPF programs with Elixir!
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.
mini-c - Dr Strangehack, or: how to write a self-hosting C compiler in 10 hours
rawhide - find files using pretty C expressions
ravi-compiler - Parser and compiler for Ravi and Lua
porth
acwj - A Compiler Writing Journey
Let-s-build-a-compiler - A C & x86 version of the "Let's Build a Compiler" by Jack Crenshaw