Update parol to v2

crates/languageserver/build.rs

@@ -17,13 +17,18 @@ fn main() {
 
     let text = fs::read_to_string(par_file).unwrap();
     let mut keywords = "pub const KEYWORDS: &[&str] = &[\n".to_string();
+    let mut in_keyword = false;
     for line in text.lines() {
-        if line.contains("(?-u:\\b)") {
+        if line == "// -- keyword end --" {
+            in_keyword = false;
+        }
+        if in_keyword {
             let keyword = line.split('/').nth(1).unwrap();
-            let keyword = keyword.replace("(?-u:\\b)", "");
-            let keyword = keyword.replace("(?-u:\\b)", "");
             keywords.push_str(&format!("    \"{keyword}\",\n"));
         }
+        if line == "// -- keyword begin --" {
+            in_keyword = true;
+        }
     }
     keywords.push_str("];\n");
     fs::write(exp_file, keywords).unwrap();

crates/parser/Cargo.toml

@@ -17,7 +17,7 @@ exclude               = ["build.rs"]
 anyhow        = {workspace = true}
 bimap         = "0.6.3"
 once_cell     = {workspace = true}
-parol_runtime = {version = "1.0", features = ["auto_generation"]}
+parol_runtime = "2.1.1"
 paste         = "1.0"
 regex         = {workspace = true}
 thiserror     = {workspace = true}
@@ -29,5 +29,5 @@ miette        = {workspace = true, features = ["fancy-no-syscall"]}
 miette        = {workspace = true, features = ["fancy"]}
 
 [build-dependencies]
-parol         =  "1.0"
-parol_runtime = {version = "1.0", features = ["auto_generation"]}
+parol         = "2.1.2"
+parol_runtime = "2.1.1"

crates/parser/build.rs

@@ -32,7 +32,6 @@ fn main() {
             .expanded_grammar_output_file("veryl-exp.par")
             .parser_output_file("veryl_parser.rs")
             .actions_output_file("veryl_grammar_trait.rs")
-            .enable_auto_generation()
             .user_type_name("VerylGrammar")
             .user_trait_module_name("veryl_grammar")
             .trim_parse_tree()