Add llvm-sys as a dependency

Cargo.lock

@@ -1,5 +1,96 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
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+name = "llvm-sys"
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+ "cc",
+ "lazy_static",
+ "libc",
+ "regex",
+ "semver",
+]
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+ "thread_local",
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+ "semver-parser",
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+
 [[package]]
 name = "serene"
 version = "0.1.0"
+dependencies = [
+ "llvm-sys",
+]
+
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+name = "thread_local"
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+dependencies = [
+ "lazy_static",
+]

Cargo.toml

@@ -7,3 +7,4 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+llvm-sys = "100"

src/ast.rs

@@ -41,5 +41,5 @@ pub enum Expr {
 
 #[derive(Debug, Eq, PartialEq, Clone)]
 pub enum Error {
-    SyntaxError
+    SyntaxError,
 }

src/core.rs

@@ -0,0 +1,3 @@
+pub trait Expression {
+    fn gen_code(&self);
+}

src/main.rs

@@ -1,14 +1,13 @@
+extern crate llvm_sys;
+
 use std::string::String;
 
 pub mod ast;
-pub mod reader;
 pub mod collections;
-
-
+pub mod reader;
 
 fn main() {
     let input = String::from("(println \">>>>>\" '(+ 2 -3))");
 
-    println!("{:?}",
-             reader::read_string(&input).unwrap());
+    println!("{:?}", reader::read_string(&input).unwrap());
 }