wipe backup
This commit is contained in:
parent
afcf9577d2
commit
40ed90b60a
GPG Key ID:
BDA47A31A3C8EE6B
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@ -2,18 +2,18 @@
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# It is not intended for manual editing.
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[[package]]
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name = "aho-corasick"
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version = "0.7.13"
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version = "0.7.18"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "043164d8ba5c4c3035fec9bbee8647c0261d788f3474306f93bb65901cae0e86"
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checksum = "1e37cfd5e7657ada45f742d6e99ca5788580b5c529dc78faf11ece6dc702656f"
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dependencies = [
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"memchr",
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]
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[[package]]
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name = "anyhow"
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version = "1.0.32"
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version = "1.0.40"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "6b602bfe940d21c130f3895acd65221e8a61270debe89d628b9cb4e3ccb8569b"
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checksum = "28b2cd92db5cbd74e8e5028f7e27dd7aa3090e89e4f2a197cc7c8dfb69c7063b"
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[[package]]
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name = "capgen"
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@ -25,12 +25,6 @@ dependencies = [
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"thiserror",
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]
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[[package]]
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name = "lazy_static"
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version = "1.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
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[[package]]
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name = "maplit"
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version = "1.0.2"
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@ -39,51 +33,50 @@ checksum = "3e2e65a1a2e43cfcb47a895c4c8b10d1f4a61097f9f254f183aee60cad9c651d"
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[[package]]
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name = "memchr"
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version = "2.3.3"
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version = "2.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3728d817d99e5ac407411fa471ff9800a778d88a24685968b36824eaf4bee400"
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checksum = "b16bd47d9e329435e309c58469fe0791c2d0d1ba96ec0954152a5ae2b04387dc"
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[[package]]
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name = "proc-macro2"
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version = "1.0.21"
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version = "1.0.27"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "36e28516df94f3dd551a587da5357459d9b36d945a7c37c3557928c1c2ff2a2c"
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checksum = "f0d8caf72986c1a598726adc988bb5984792ef84f5ee5aa50209145ee8077038"
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dependencies = [
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"unicode-xid",
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]
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[[package]]
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name = "quote"
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version = "1.0.7"
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version = "1.0.9"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "aa563d17ecb180e500da1cfd2b028310ac758de548efdd203e18f283af693f37"
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checksum = "c3d0b9745dc2debf507c8422de05d7226cc1f0644216dfdfead988f9b1ab32a7"
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dependencies = [
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"proc-macro2",
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]
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[[package]]
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name = "regex"
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version = "1.3.9"
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version = "1.5.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "9c3780fcf44b193bc4d09f36d2a3c87b251da4a046c87795a0d35f4f927ad8e6"
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checksum = "d07a8629359eb56f1e2fb1652bb04212c072a87ba68546a04065d525673ac461"
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dependencies = [
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"aho-corasick",
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"memchr",
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"regex-syntax",
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"thread_local",
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]
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[[package]]
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name = "regex-syntax"
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version = "0.6.18"
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version = "0.6.25"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "26412eb97c6b088a6997e05f69403a802a92d520de2f8e63c2b65f9e0f47c4e8"
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checksum = "f497285884f3fcff424ffc933e56d7cbca511def0c9831a7f9b5f6153e3cc89b"
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[[package]]
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name = "syn"
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version = "1.0.41"
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version = "1.0.72"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "6690e3e9f692504b941dc6c3b188fd28df054f7fb8469ab40680df52fdcc842b"
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checksum = "a1e8cdbefb79a9a5a65e0db8b47b723ee907b7c7f8496c76a1770b5c310bab82"
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dependencies = [
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"proc-macro2",
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"quote",
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@ -92,35 +85,26 @@ dependencies = [
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[[package]]
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name = "thiserror"
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version = "1.0.20"
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version = "1.0.25"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "7dfdd070ccd8ccb78f4ad66bf1982dc37f620ef696c6b5028fe2ed83dd3d0d08"
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checksum = "fa6f76457f59514c7eeb4e59d891395fab0b2fd1d40723ae737d64153392e9c6"
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dependencies = [
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"thiserror-impl",
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]
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[[package]]
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name = "thiserror-impl"
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version = "1.0.20"
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version = "1.0.25"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "bd80fc12f73063ac132ac92aceea36734f04a1d93c1240c6944e23a3b8841793"
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checksum = "8a36768c0fbf1bb15eca10defa29526bda730a2376c2ab4393ccfa16fb1a318d"
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dependencies = [
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"proc-macro2",
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"quote",
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"syn",
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]
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[[package]]
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name = "thread_local"
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version = "1.0.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d40c6d1b69745a6ec6fb1ca717914848da4b44ae29d9b3080cbee91d72a69b14"
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dependencies = [
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"lazy_static",
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]
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[[package]]
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name = "unicode-xid"
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version = "0.2.1"
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version = "0.2.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
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checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
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@ -7,7 +7,7 @@ edition = "2018"
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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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anyhow = "1.0.32"
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regex = "1.3.9"
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thiserror = "1.0.20"
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anyhow = "1.0.40"
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regex = "1.5.4"
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thiserror = "1.0.25"
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maplit = "1.0.2"
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@ -4,8 +4,8 @@ use crate::grammar::Grammar;
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use crate::lr0item::Lr0Item;
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pub struct CanonicalCollection<'g> {
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grammar: &'g Grammar,
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sets: HashSet<HashSet<Lr0Item>>,
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pub grammar: &'g Grammar,
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pub sets: HashSet<HashSet<Lr0Item>>,
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}
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impl<'g> CanonicalCollection<'g> {
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@ -25,4 +25,8 @@ impl<'g> CanonicalCollection<'g> {
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// add the start items
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}
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pub fn run(&self, input: &[u8]) {
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}
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}
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@ -27,8 +27,7 @@ impl Grammar {
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}
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} else if self.is_nonterminal(name) {
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let x = name;
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let productions =
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self.productions.get(name).unwrap();
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let productions = self.productions.get(name).unwrap();
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for production in productions.iter() {
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// has ε shown up in every FIRST set so far?
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let mut is_epsilon_in_all_sets = false;
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@ -4,6 +4,7 @@ use std::collections::{HashMap, HashSet};
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use regex::Regex;
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use crate::canonical_collection::CanonicalCollection;
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use crate::lr0item::Lr0Item;
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use crate::utils::MapOfSet;
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@ -38,8 +39,15 @@ impl Grammar {
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self.productions.contains_key(name.as_ref())
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}
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pub fn build(&mut self) {
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pub fn build(&mut self) -> CanonicalCollection {
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self.build_context_sets();
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let sets = HashSet::new();
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CanonicalCollection {
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grammar: self,
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sets,
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}
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}
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pub fn closure(&self, I: HashSet<Lr0Item>) -> HashSet<Lr0Item> {
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14
src/main.rs
14
src/main.rs
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@ -22,6 +22,20 @@ fn main() -> Result<()> {
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let mut contents = String::new();
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file.read_to_string(&mut contents)?;
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let mut grammar = make_grammar! {
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E_ -> E,
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E -> E p T | T,
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T -> T a F | F,
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F -> lp E rp | num,
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%
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p -> r"\+",
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a -> r"\*",
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lp -> r"\(",
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rp -> r"\)",
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num -> r"[0-9]+",
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};
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grammar.build();
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println!("Hello, world!");
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Ok(())
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}
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