forked from AbleOS/ableos_userland
tokenize a simple wasm program
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parent
a2f3a453dd
commit
1abb705fd2
48
Cargo.lock
generated
48
Cargo.lock
generated
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@ -47,6 +47,12 @@ checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
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name = "basic_driver"
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version = "0.1.0"
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[[package]]
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name = "beef"
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version = "0.5.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3a8241f3ebb85c056b509d4327ad0358fbbba6ffb340bf388f26350aeda225b1"
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[[package]]
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name = "bitflags"
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version = "1.3.2"
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@ -89,6 +95,12 @@ dependencies = [
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name = "derelict_microarchitecture"
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version = "0.1.0"
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[[package]]
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name = "fnv"
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version = "1.0.7"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
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[[package]]
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name = "fs_extra"
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version = "1.2.0"
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@ -159,6 +171,29 @@ dependencies = [
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"cfg-if",
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]
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[[package]]
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name = "logos"
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version = "0.12.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "bf8b031682c67a8e3d5446840f9573eb7fe26efe7ec8d195c9ac4c0647c502f1"
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dependencies = [
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"logos-derive",
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]
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[[package]]
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name = "logos-derive"
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version = "0.12.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a1d849148dbaf9661a6151d1ca82b13bb4c4c128146a88d05253b38d4e2f496c"
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dependencies = [
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"beef",
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"fnv",
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"proc-macro2",
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"quote",
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"regex-syntax",
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"syn",
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]
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[[package]]
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name = "messaging"
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version = "0.1.0"
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@ -221,6 +256,12 @@ dependencies = [
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"versioning",
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]
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[[package]]
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name = "regex-syntax"
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version = "0.6.28"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "456c603be3e8d448b072f410900c09faf164fbce2d480456f50eea6e25f9c848"
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[[package]]
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name = "ron"
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version = "0.7.1"
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@ -386,3 +427,10 @@ name = "wasi"
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version = "0.11.0+wasi-snapshot-preview1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
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[[package]]
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name = "wat2wasm"
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version = "0.1.0"
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dependencies = [
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"logos",
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]
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@ -28,4 +28,5 @@ members = [
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"programs/shell",
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"programs/table_view",
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"programs/undelete",
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"programs/wat2wasm",
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]
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9
programs/wat2wasm/Cargo.toml
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9
programs/wat2wasm/Cargo.toml
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@ -0,0 +1,9 @@
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[package]
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name = "wat2wasm"
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version = "0.1.0"
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edition = "2021"
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# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
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[dependencies]
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logos = "*"
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8
programs/wat2wasm/assets/add.wat
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8
programs/wat2wasm/assets/add.wat
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@ -0,0 +1,8 @@
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(module
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(func $add (param $x i32) (param $y i32) (result i32)
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get_local $x
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get_local $y
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i32.add
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)
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(export "add" (func $add))
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)
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26
programs/wat2wasm/src/main.rs
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26
programs/wat2wasm/src/main.rs
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@ -0,0 +1,26 @@
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pub mod tokenizer;
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use std::fs;
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use logos::Logos;
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use crate::tokenizer::Token;
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fn main() {
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// Read the contents of the file into a string
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let contents =
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fs::read_to_string("programs/wat2wasm/assets/add.wat").expect("Failed to read file");
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let mut lex = Token::lexer(&contents);
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for toke in lex {
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println!("{:?}", toke);
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}
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}
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#[non_exhaustive]
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pub enum WasmType {
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I32,
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I64,
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F32,
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F64,
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}
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50
programs/wat2wasm/src/tokenizer/mod.rs
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50
programs/wat2wasm/src/tokenizer/mod.rs
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@ -0,0 +1,50 @@
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use logos::Logos;
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#[derive(Logos, Debug, PartialEq)]
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pub enum Token {
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#[token(".")]
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Period,
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// Or regular expressions.
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#[token("i32")]
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Int32,
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#[token("(")]
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RightParen,
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#[token(")")]
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LeftParen,
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#[token("add")]
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AddOp,
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#[token("func")]
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FuncIden,
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#[token("export")]
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Export,
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#[token("module")]
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Module,
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#[token("param")]
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Param,
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#[token("result")]
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Result,
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#[regex("get_local")]
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GetLocal,
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#[regex(r"\$[a-zA-Z]+")]
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FunctionName,
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#[regex(r##""[a-zA-Z]+""##)]
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WasmString,
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// Logos requires one token variant to handle errors,
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// it can be named anything you wish.
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#[error]
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// We can also use this variant to define whitespace,
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// or any other matches we wish to skip.
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#[regex(r"[ \t\n\f]+", logos::skip)]
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Error,
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}
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