compiler db

Cargo.toml

@@ -29,6 +29,8 @@ serde = { version = "1.0.217", features = ["derive"] }
 toml = "0.8.19"
 test-case = "3.3.1"
 
+rusqlite = { version = "0.33.0", features = ["bundled"] }
+
 [build-dependencies]
 lalrpop = "0.22.0"
 

src/lib.rs

@@ -4,4 +4,5 @@ pub mod codegen;
 pub mod driver;
 pub mod ir;
 pub mod parser;
+pub mod repository;
 pub mod session;

src/repo.sql

@@ -0,0 +1,52 @@
+BEGIN;
+
+CREATE TABLE Module (
+    name TEXT NOT NULL,
+    path TEXT NOT NULL,
+    is_public BOOLEAN NOT NULL,
+    PRIMARY KEY(name, path)
+);
+
+CREATE TABLE Types (
+    name TEXT NOT NULL,
+    generics TEXT DEFAULT NULL, -- format: json array [of names]
+    is_struct BOOLEAN NOT NULL DEFAULT FALSE,
+    is_enum BOOLEAN NOT NULL DEFAULT FALSE,
+    size INT,
+    variants TEXT DEFAULT NULL, -- either struct fields or enum variants: json array of names (with generics?)
+    path TEXT NOT NULL,
+    PRIMARY KEY(name, path)
+);
+
+CREATE INDEX idx_types_name ON types(name);
+
+CREATE TABLE Functions (
+    name TEXT NOT NULL,
+    is_extern BOOLEAN NOT NULL,
+    is_pub BOOLEAN NOT NULL,
+    path TEXT NOT NULL,
+    generics TEXT DEFAULT NULL, -- format: json array [of names]
+    abi TEXT,
+    body BLOB,
+    PRIMARY KEY(name, path)
+);
+
+CREATE INDEX idx_functions_name ON functions(name);
+
+INSERT INTO Types (name, size, path) VALUES ('bool', 1, "std");
+INSERT INTO Types (name, size, path) VALUES ('char', 32, "std");
+INSERT INTO Types (name, size, path) VALUES ('u8', 8, "std");
+INSERT INTO Types (name, size, path) VALUES ('u16', 16, "std");
+INSERT INTO Types (name, size, path) VALUES ('u32', 32, "std");
+INSERT INTO Types (name, size , path) VALUES ('u64', 64, "std");
+INSERT INTO Types (name, size, path) VALUES ('u128', 128, "std");
+INSERT INTO Types (name, size, path) VALUES ('i8', 8, "std");
+INSERT INTO Types (name, size, path) VALUES ('i16', 16, "std");
+INSERT INTO Types (name, size, path) VALUES ('i32', 32, "std");
+INSERT INTO Types (name, size , path) VALUES ('i64', 64, "std");
+INSERT INTO Types (name, size, path) VALUES ('i128', 128, "std");
+
+INSERT INTO Types (name, size, path) VALUES ('f32', 32, "std");
+INSERT INTO Types (name, size, path) VALUES ('f64', 64, "std");
+
+COMMIT;

src/repository.rs

@@ -0,0 +1,32 @@
+use rusqlite::{Connection, Result};
+
+#[derive(Debug)]
+pub struct Repo {
+    db: Connection,
+}
+
+impl Repo {
+    pub fn new() -> Result<Self> {
+        let mut s = Self {
+            db: Connection::open_in_memory()?,
+        };
+        s.create_tables()?;
+        Ok(s)
+    }
+
+    fn create_tables(&self) -> Result<()> {
+        self.db.execute_batch(include_str!("repo.sql"))?;
+
+        Ok(())
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::Repo;
+
+    #[test]
+    fn create() {
+        let _repo = Repo::new().unwrap();
+    }
+}