use luac in `main`

src/loader.rs

@@ -6,6 +6,39 @@ use crate::state::{
 	Instruction as Inst,
 };
 
+/// Invoke `luac` as a subprocess
+/// Luckily luac is single-pass, so we can just pipe in and out
+
+pub (crate) fn compile_bytecode (source: Vec <u8>) -> Vec <u8> {
+	use std::{
+		io::Write,
+		process::{
+			Command,
+			Stdio,
+		},
+	};
+	
+	let mut child = Command::new ("luac")
+	.arg ("-o") // Output to...
+	.arg ("-")  // Standard output
+	.arg ("-")  // Input from standard input
+	.stdin (Stdio::piped ())
+	.stdout (Stdio::piped ())
+	.spawn ()
+	.expect ("failed to execute `luac`. Is Lua installed?");
+	
+	let mut stdin = child.stdin.take ().expect ("failed to get stdin");
+	std::thread::spawn (move || {
+		stdin.write_all (&source).expect ("failed to write to stdin");
+	});
+	
+	let output = child
+	.wait_with_output ()
+	.expect ("failed to wait on child");
+	
+	output.stdout.as_slice ().to_vec ()
+}
+
 pub fn parse_inst (buf: [u8; 4]) -> Option <Inst>
 {
 	let opcode = buf [0] & 0x7f;

src/main.rs

@@ -4,12 +4,13 @@ mod state;
 #[cfg (test)]
 mod tests;
 
-fn main() {
+fn main () {
 	use state::State;
 	
 	let lua_file = {
-		let data = std::fs::read ("test_vectors/fma.luac").unwrap ();
-		let mut rdr = std::io::Cursor::new (data);
+		let source = std::fs::read ("test_vectors/hello.lua").expect ("couldn't load Lua source code");
+		let bytecode = loader::compile_bytecode(source);
+		let mut rdr = std::io::Cursor::new (bytecode);
 		loader::parse_chunk (&mut rdr).unwrap ()
 	};
 	

src/tests.rs

@@ -5,39 +5,6 @@ use crate::state::{
 	State,
 };
 
-// Invoke `luac` as a subprocess
-// Luckily luac is single-pass, so we can just pipe in and out
-
-fn compile_bytecode (source: Vec <u8>) -> Vec <u8> {
-	use std::{
-		io::Write,
-		process::{
-			Command,
-			Stdio,
-		},
-	};
-	
-	let mut child = Command::new ("luac")
-	.arg ("-o") // Output to...
-	.arg ("-")  // Standard output
-	.arg ("-")  // Input from standard input
-	.stdin (Stdio::piped ())
-	.stdout (Stdio::piped ())
-	.spawn ()
-	.expect ("failed to execute `luac`. Is Lua installed?");
-	
-	let mut stdin = child.stdin.take ().expect ("failed to get stdin");
-	std::thread::spawn (move || {
-		stdin.write_all (&source).expect ("failed to write to stdin");
-	});
-	
-	let output = child
-	.wait_with_output ()
-	.expect ("failed to wait on child");
-	
-	output.stdout.as_slice ().to_vec ()
-}
-
 #[test]
 fn bools () {
 	/*
@@ -206,7 +173,7 @@ fn is_93 () {
 	let source = include_bytes! ("../test_vectors/is_93.lua");
 	assert_eq! (&blake3::hash (source).to_hex (), "a058869ed5142cbc8ccb2372991ef8b37657af38dc3f5e34814a7274b14d1e52");
 	
-	let bytecode = compile_bytecode (source.to_vec ());
+	let bytecode = crate::loader::compile_bytecode (source.to_vec ());
 	assert_eq! (&blake3::hash (&bytecode).to_hex (), "b59ce3e054500beb109c247e784cc4a0ff09ac42f8086dc5cdbf711bce1ba071");
 	
 	let mut rdr = std::io::Cursor::new (bytecode);