From ff67071f5b2c39b5de075a81043cfe140fcc6775 Mon Sep 17 00:00:00 2001
From: ctsk <9384305+ctsk@users.noreply.github.com>
Date: Wed, 29 Mar 2023 20:03:16 +0200
Subject: [PATCH] [rlox] init

---
 rlox/.gitignore      |  2 ++
 rlox/Cargo.lock      |  7 +++++++
 rlox/Cargo.toml      |  8 ++++++++
 rlox/src/bytecode.rs |  5 +++++
 rlox/src/chunk.rs    | 32 ++++++++++++++++++++++++++++++++
 rlox/src/main.rs     | 11 +++++++++++
 6 files changed, 65 insertions(+)
 create mode 100644 rlox/.gitignore
 create mode 100644 rlox/Cargo.lock
 create mode 100644 rlox/Cargo.toml
 create mode 100644 rlox/src/bytecode.rs
 create mode 100644 rlox/src/chunk.rs
 create mode 100644 rlox/src/main.rs

diff --git a/rlox/.gitignore b/rlox/.gitignore
new file mode 100644
index 0000000..7ac3182
--- /dev/null
+++ b/rlox/.gitignore
@@ -0,0 +1,2 @@
+target/
+.projectile
diff --git a/rlox/Cargo.lock b/rlox/Cargo.lock
new file mode 100644
index 0000000..4b869d5
--- /dev/null
+++ b/rlox/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "rlox"
+version = "0.1.0"
diff --git a/rlox/Cargo.toml b/rlox/Cargo.toml
new file mode 100644
index 0000000..321eb45
--- /dev/null
+++ b/rlox/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "rlox"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
diff --git a/rlox/src/bytecode.rs b/rlox/src/bytecode.rs
new file mode 100644
index 0000000..acc18d6
--- /dev/null
+++ b/rlox/src/bytecode.rs
@@ -0,0 +1,5 @@
+#[repr(u8)]
+#[derive(Debug)]
+pub enum Op {
+    Return
+}
diff --git a/rlox/src/chunk.rs b/rlox/src/chunk.rs
new file mode 100644
index 0000000..3e65e46
--- /dev/null
+++ b/rlox/src/chunk.rs
@@ -0,0 +1,32 @@
+use crate::Op;
+
+use std::fmt;
+
+pub struct Chunk {
+    code: Vec<Op>,
+    name: String
+}
+
+impl Chunk {
+    pub fn new(name: String) -> Chunk {
+        Chunk {
+            code: Vec::new(),
+            name
+        }
+    }
+
+    pub fn add(&mut self, op: Op) {
+        self.code.push(op)
+    }
+}
+
+impl fmt::Debug for Chunk {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> Result<(), fmt::Error> {
+        writeln!(f, "-*-*- {} -*-*-", self.name)?;
+        for (idx, op) in self.code.iter().enumerate() {
+            write!(f, "{:04}  {:?}", idx, op)?;
+        }
+
+        return Ok(());
+    }
+}
diff --git a/rlox/src/main.rs b/rlox/src/main.rs
new file mode 100644
index 0000000..6c9c045
--- /dev/null
+++ b/rlox/src/main.rs
@@ -0,0 +1,11 @@
+mod chunk;
+mod bytecode;
+
+use chunk::Chunk;
+use bytecode::Op;
+
+fn main() {
+    let mut chunk = Chunk::new("TEST".to_string());
+    chunk.add(Op::Return);
+    println!("{:?}", chunk);
+}