Add toplevel entity and keyword completion

crates/analyzer/src/symbol_table.rs

@@ -329,6 +329,10 @@ impl SymbolTable {
             })
             .or_insert(HashMap::from([(from, to)]));
     }
+
+    pub fn get_project_local(&self, prj: StrId) -> Option<HashMap<StrId, StrId>> {
+        self.project_local_table.get(&prj).cloned()
+    }
 }
 
 impl fmt::Display for SymbolTable {
@@ -410,6 +414,10 @@ pub fn add_project_local(prj: StrId, from: StrId, to: StrId) {
     SYMBOL_TABLE.with(|f| f.borrow_mut().add_project_local(prj, from, to))
 }
 
+pub fn get_project_local(prj: StrId) -> Option<HashMap<StrId, StrId>> {
+    SYMBOL_TABLE.with(|f| f.borrow().get_project_local(prj))
+}
+
 #[cfg(test)]
 mod tests {
     use crate::namespace::Namespace;

crates/languageserver/build.rs

@@ -0,0 +1,33 @@
+use std::env;
+use std::fs;
+use std::path::PathBuf;
+
+fn main() {
+    // Skip in GitHub Actions
+    if let Ok(x) = env::var("GITHUB_ACTIONS") {
+        if x == "true" {
+            return;
+        }
+    }
+
+    let par_file = PathBuf::from("../parser/veryl.par");
+    let exp_file = PathBuf::from("src/keyword.rs");
+
+    let par_modified = fs::metadata(&par_file).unwrap().modified().unwrap();
+    let exp_modified = fs::metadata(&exp_file).unwrap().modified().unwrap();
+
+    if par_modified > exp_modified {
+        let text = fs::read_to_string(&par_file).unwrap();
+        let mut keywords = "pub const KEYWORDS: &[&str] = &[\n".to_string();
+        for line in text.lines() {
+            if line.contains("(?-u:\\b)") {
+                let keyword = line.split_ascii_whitespace().nth(2).unwrap();
+                let keyword = keyword.replace("/(?-u:\\b)", "");
+                let keyword = keyword.replace("(?-u:\\b)/", "");
+                keywords.push_str(&format!("    \"{keyword}\",\n"));
+            }
+        }
+        keywords.push_str("];\n");
+        fs::write(&exp_file, keywords).unwrap();
+    }
+}

crates/languageserver/src/keyword.rs

@@ -0,0 +1,55 @@
+pub const KEYWORDS: &[&str] = &[
+    "always_comb",
+    "always_ff",
+    "assign",
+    "async_high",
+    "async_low",
+    "as",
+    "bit",
+    "case",
+    "default",
+    "else",
+    "enum",
+    "export",
+    "f32",
+    "f64",
+    "final",
+    "for",
+    "function",
+    "i32",
+    "i64",
+    "if_reset",
+    "if",
+    "import",
+    "initial",
+    "inout",
+    "input",
+    "inst",
+    "interface",
+    "in",
+    "localparam",
+    "logic",
+    "lsb",
+    "modport",
+    "module",
+    "msb",
+    "negedge",
+    "output",
+    "package",
+    "parameter",
+    "posedge",
+    "ref",
+    "repeat",
+    "return",
+    "signed",
+    "step",
+    "string",
+    "struct",
+    "sync_high",
+    "sync_low",
+    "tri",
+    "type",
+    "u32",
+    "u64",
+    "var",
+];

crates/languageserver/src/main.rs

@@ -3,6 +3,7 @@
 use tower_lsp::{LspService, Server};
 
 mod backend;
+mod keyword;
 mod server;
 use backend::Backend;