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Pest parser WIP

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This commit is contained in:
Greg Shuflin 2024-07-01 11:24:18 -07:00
parent 39b2783c4b
commit 09867c48ca
4 changed files with 75 additions and 0 deletions
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53
Cargo.lock generated
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@ -613,6 +613,8 @@ dependencies = [
"log", "log",
"num_cpus", "num_cpus",
"percent-encoding", "percent-encoding",
"pest",
"pest_derive",
"pretty_assertions", "pretty_assertions",
"rand", "rand",
"regex", "regex",
@ -737,6 +739,51 @@ version = "2.3.1"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e3148f5046208a5d56bcfc03053e3ca6334e51da8dfb19b6cdc8b306fae3283e" checksum = "e3148f5046208a5d56bcfc03053e3ca6334e51da8dfb19b6cdc8b306fae3283e"
[[package]]
name = "pest"
version = "2.7.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "560131c633294438da9f7c4b08189194b20946c8274c6b9e38881a7874dc8ee8"
dependencies = [
"memchr",
"thiserror",
"ucd-trie",
]
[[package]]
name = "pest_derive"
version = "2.7.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "26293c9193fbca7b1a3bf9b79dc1e388e927e6cacaa78b4a3ab705a1d3d41459"
dependencies = [
"pest",
"pest_generator",
]
[[package]]
name = "pest_generator"
version = "2.7.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3ec22af7d3fb470a85dd2ca96b7c577a1eb4ef6f1683a9fe9a8c16e136c04687"
dependencies = [
"pest",
"pest_meta",
"proc-macro2",
"quote",
"syn 2.0.66",
]
[[package]]
name = "pest_meta"
version = "2.7.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d7a240022f37c361ec1878d646fc5b7d7c4d28d5946e1a80ad5a7a4f4ca0bdcd"
dependencies = [
"once_cell",
"pest",
"sha2",
]
[[package]] [[package]]
name = "ppv-lite86" name = "ppv-lite86"
version = "0.2.17" version = "0.2.17"
@ -1198,6 +1245,12 @@ version = "1.17.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "42ff0bf0c66b8238c6f3b578df37d0b7848e55df8577b3f74f92a69acceeb825" checksum = "42ff0bf0c66b8238c6f3b578df37d0b7848e55df8577b3f74f92a69acceeb825"
[[package]]
name = "ucd-trie"
version = "0.1.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ed646292ffc8188ef8ea4d1e0e0150fb15a5c2e12ad9b8fc191ae7a8a7f3c4b9"
[[package]] [[package]]
name = "unicase" name = "unicase"
version = "2.7.0" version = "2.7.0"

2
Cargo.toml
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@ -37,6 +37,8 @@ libc = "0.2.0"
log = "0.4.4" log = "0.4.4"
num_cpus = "1.15.0" num_cpus = "1.15.0"
percent-encoding = "2.3.1" percent-encoding = "2.3.1"
pest = "2.7.10"
pest_derive = "2.7.10"
rand = "0.8.5" rand = "0.8.5"
regex = "1.10.4" regex = "1.10.4"
semver = "1.0.20" semver = "1.0.20"

9
src/justfile.pest Normal file
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@ -0,0 +1,9 @@
identifier = { (ASCII_ALPHA | "_") ~ (ASCII_ALPHANUMERIC | "_")+ }
recipe = { identifier ~ ":" ~ NEWLINE ~ recipe_body }
recipe_body = { recipe_line* }
recipe_line = {

11
src/parser.rs
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@ -36,7 +36,18 @@ pub(crate) struct Parser<'run, 'src> {
working_directory: &'run Path, working_directory: &'run Path,
} }
#[derive(pest_derive::Parser)]
#[grammar = "justfile.pest"]
struct JustfileParser;
impl<'run, 'src> Parser<'run, 'src> { impl<'run, 'src> Parser<'run, 'src> {
pub(crate) fn parse_new(path: &'src Path, src: &'src str) -> CompileResult<'src, Ast<'src>> {
todo!()
}
/// Parse `tokens` into an `Ast` /// Parse `tokens` into an `Ast`
pub(crate) fn parse( pub(crate) fn parse(
file_depth: u32, file_depth: u32,