Hook up parser

src/main.rs

@@ -1,7 +1,11 @@
 use std::path::PathBuf;
+use std::process;
 
 use structopt::StructOpt;
 
+use crate::parser::Parser;
+use crate::source::SourceFiles;
+
 mod commands;
 mod parser;
 mod source;
@@ -14,5 +18,26 @@ pub struct Opt {
 
 fn main() {
     let opt = Opt::from_args();
-    println!("{:#?}", opt);
+
+    let mut files = SourceFiles::new();
+
+    let (file, content) = match files.load(&opt.file) {
+        Ok(result) => result,
+        Err(e) => {
+            eprintln!("Failed to load file: {}", e);
+            process::exit(1);
+        }
+    };
+
+    let mut parser = Parser::new(file, content);
+
+    let commands = match parser.parse() {
+        Ok(result) => result,
+        Err(es) => {
+            files.emit_all(&es);
+            process::exit(1);
+        }
+    };
+
+    println!("{:#?}", commands);
 }