chirp: Break frontends into separate projects

.gitignore

@@ -1,5 +1,7 @@
 
 # Rust files
+**/target
+**/Cargo.lock
 /target
 Cargo.lock
 flamegraph.svg

Cargo.toml

@@ -1,12 +1,22 @@
-[package]
+[workspace]
-name = "chirp"
+members = ["chirp-imgui", "chirp-minifb"]
+# default-members = ["chirp-imgui"]
+
+[workspace.package]
 version = "0.1.1"
 edition = "2021"
-default-run = "chirp-imgui"
 authors = ["John Breaux"]
 license = "MIT"
 publish = false
 
+[package]
+name = "chirp"
+version.workspace = true
+edition.workspace = true
+authors.workspace = true
+license.workspace = true
+publish.workspace = true
+
 [[bin]]
 name = "chirp"
 path = "src/bin/chirp-minifb/main.rs"
@@ -16,26 +26,14 @@ required-features = ["minifb"]
 name = "chirp-disasm"
 required-features = ["default"]
 
-[[bin]]
-name = "chirp-imgui"
-required-features = ["imgui"]
-
 [[bin]]
 name = "chirp-shot-viewer"
 required-features = ["default", "drawille"]
 
 [features]
-default = ["drawille", "imgui", "serde"]
+default = ["drawille", "serde"]
 nightly = []
 drawille = ["dep:drawille"]
-imgui = [
-    "dep:imgui",
-    "dep:imgui-wgpu",
-    "dep:imgui-winit-support",
-    "dep:winit",
-    "dep:winit_input_helper",
-    "dep:pixels",
-]
 minifb = ["dep:minifb"]
 rhexdump = ["dep:rhexdump"]
 
@@ -54,14 +52,6 @@ overflow-checks = false
 
 [dependencies]
 
-imgui = { version = "^0.10", optional = true }
-imgui-winit-support = { version = "^0.10", optional = true }
-imgui-wgpu = { version = "^0", optional = true }
-pixels = { version = "^0", optional = true }
-# TODO: When imgui-winit-support updates to 0.28 (Soon:tm:), update winit and winit_input_helper
-winit = { version = "0.27.5", features = ["default", "x11"], optional = true }
-winit_input_helper = { version = "^0.13.0", optional = true }
-
 drawille = { version = "0.3.0", optional = true }
 rhexdump = { version = "0.1.1", optional = true }
 serde = { version = "1.0.0", features = ["derive"], optional = true }

chirp-imgui/Cargo.toml

@@ -0,0 +1,23 @@
+[package]
+name = "chirp-imgui"
+version.workspace = true
+edition.workspace = true
+authors.workspace = true
+license.workspace = true
+publish.workspace = true
+
+[dependencies]
+
+chirp = { path = ".." }
+
+gumdrop = "0.8.1"
+owo-colors = "3"
+thiserror = "1.0.39"
+
+imgui = { version = "^0.11" }
+imgui-winit-support = { version = "^0.11" }
+imgui-wgpu = { version = "^0.23" }
+pixels = { version = "^0" }
+# TODO: When imgui-winit-support updates to 0.28 (Soon:tm:), update winit and winit_input_helper
+winit = { version = "0.27.5", features = ["default", "x11"] }
+winit_input_helper = { version = "^0.13.0" }

chirp-minifb/Cargo.toml

@@ -0,0 +1,15 @@
+[package]
+name = "chirp-minifb"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+
+chirp = { path = ".." }
+minifb = { version = "0.24.0" }
+
+gumdrop = "0.8.1"
+owo-colors = "3"
+thiserror = "1.0.39"

chirp-minifb/src/error.rs

@@ -0,0 +1,18 @@
+//! Error type for chirp-minifb
+
+use thiserror::Error;
+
+pub type Result<T> = std::result::Result<T, Error>;
+
+#[derive(Debug, Error)]
+pub enum Error {
+    /// Error originated in [`chirp`]
+    #[error(transparent)]
+    Chirp(#[from] chirp::error::Error),
+    /// Error originated in [`std::io`]
+    #[error(transparent)]
+    Io(#[from] std::io::Error),
+    /// Error originated in [`minifb`]
+    #[error(transparent)]
+    Minifb(#[from] minifb::Error),
+}

chirp-minifb/src/main.rs

@@ -6,10 +6,13 @@
 
 #[cfg(test)]
 mod tests;
+
+mod error;
 mod ui;
 
 use chirp::error::Error::BreakpointHit;
-use chirp::{error::Result, *};
+use chirp::*;
+use error::Result;
 use gumdrop::*;
 use owo_colors::OwoColorize;
 use std::{
@@ -162,7 +165,7 @@ impl State {
         self.ui.keys(&mut self.ch8)
     }
     fn frame(&mut self) -> Result<bool> {
-        self.ui.frame(&mut self.ch8)
+        self.ui.frame(&self.ch8)
     }
     fn tick_cpu(&mut self) -> Result<()> {
         if !self.ch8.cpu.flags.pause {
@@ -209,7 +212,7 @@ impl Iterator for State {
         }
         // Allow breakpoint hit messages
         match self.tick_cpu() {
-            Err(BreakpointHit { addr, next }) => {
+            Err(error::Error::Chirp(BreakpointHit { addr, next })) => {
                 eprintln!("Breakpoint hit: {:3x} ({:4x})", addr, next);
             }
             Err(e) => return Some(Err(e)),

chirp-minifb/src/tests.rs

@@ -3,6 +3,7 @@
 
 use super::ui::*;
 use super::Chip8;
+use crate::error::Result;
 use chirp::*;
 use std::{collections::hash_map::DefaultHasher, hash::Hash};
 
@@ -37,8 +38,8 @@ mod ui {
     #[test]
     fn frame() -> Result<()> {
         let mut ui = UIBuilder::new(32, 64, "dummy.ch8").build()?;
-        let mut ch8 = new_chip8();
+        let ch8 = new_chip8();
-        ui.frame(&mut ch8).unwrap();
+        ui.frame(&ch8).unwrap();
         Ok(())
     }
     #[test]

chirp-minifb/src/ui.rs

@@ -5,7 +5,8 @@
 //! TODO: Destroy this all.
 
 use super::Chip8;
-use chirp::{error::Result, screen::Screen};
+use crate::error::Result;
+use chirp::screen::Screen;
 use minifb::*;
 use std::{
     path::{Path, PathBuf},
@@ -144,7 +145,7 @@ pub struct UI {
 }
 
 impl UI {
-    pub fn frame(&mut self, ch8: &mut Chip8) -> Result<bool> {
+    pub fn frame(&mut self, ch8: &Chip8) -> Result<bool> {
         if ch8.cpu.flags.pause {
             self.window.set_title("Chirp ⏸")
         } else {