initial commit

.gitignore

@@ -0,0 +1 @@
+/target

Cargo.lock

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Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "pallet"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+clap = { version = "4.6.0", features = ["derive"] }
+glob = "0.3.3"
+serde = { version = "1.0.228", features = ["derive"] }
+toml = "1.0.7"

README.md

@@ -0,0 +1,20 @@
+# Pallet
+
+Pallet is a project manager and build system for C inspired by Cargo for Rust.
+
+This is a toy project not meant to be taken very seriously.
+
+## Usage
+
+- `pallet new <project>`: initializes a new project at `project`
+- `pallet init`: initializes a new project in the current directory
+- `pallet run`: runs the local project
+- `pallet build`: builds the local project
+
+## Configuring
+
+You can configure options by editing `Pallet.toml`
+
+### Options
+
+TBD

src/app.rs

@@ -0,0 +1,112 @@
+use std::{
+    env::set_current_dir,
+    path::{Path, PathBuf},
+};
+
+const MAIN_C: &str = include_str!("templates/main.c");
+
+#[derive(clap::Parser)]
+pub struct App {
+    #[clap(subcommand)]
+    command: Subcommand,
+}
+
+#[derive(clap::Subcommand)]
+enum Subcommand {
+    /// Create a new C project
+    New {
+        /// The name of the new project
+        name: String,
+    },
+    /// Initialize a new C project
+    Init,
+    /// Run the local project
+    Run {
+        /// The build mode to use
+        mode: Option<String>,
+    },
+    /// Build the local project
+    Build {
+        /// The build mode to use
+        mode: Option<String>,
+    },
+}
+
+impl App {
+    pub fn run(self) {
+        match self.command {
+            Subcommand::New { name } => match create_project(&name) {
+                Ok(_) => println!("Successfully created new project '{name}'."),
+                Err(e) => {
+                    eprintln!("Error creating project '{name}': {e}");
+                    std::process::exit(1);
+                }
+            },
+            Subcommand::Init => match create_project(".") {
+                Ok(_) => println!("Successfully initialized new project."),
+                Err(e) => {
+                    eprintln!("Error initializing project: {e}");
+                    std::process::exit(1);
+                }
+            },
+            Subcommand::Run { mode } => todo!(),
+            Subcommand::Build { mode } => todo!(),
+        }
+    }
+}
+
+fn create_project<P: AsRef<Path>>(directory: P) -> std::io::Result<()> {
+    let pathdir = directory.as_ref();
+
+    if pathdir.exists() && pathdir.to_string_lossy() != "." {
+        return Err(std::io::Error::new(
+            std::io::ErrorKind::AlreadyExists,
+            "specified directory already exists",
+        ));
+    }
+
+    if !pathdir.exists() && pathdir.to_string_lossy() != "." {
+        std::fs::create_dir(pathdir)?;
+    }
+
+    set_current_dir(pathdir)?;
+
+    std::fs::create_dir("src")?;
+
+    std::fs::write("src/main.c", MAIN_C)?;
+
+    let config = crate::config::Config::new(&pathdir.to_string_lossy());
+
+    let serial = toml::to_string_pretty(&config).expect("a valid TOML structure");
+
+    std::fs::write("Pallet.toml", &serial)?;
+
+    Ok(())
+}
+
+fn get_config() -> Option<crate::config::Config> {
+    let p = PathBuf::from("Pallet.toml");
+    if !p.exists() {
+        return None;
+    }
+    let raw = std::fs::read_to_string(&p).expect("A valid config file");
+
+    toml::from_str(&raw).ok()
+}
+
+fn build(mode: Option<String>) -> std::io::Result<()> {
+    let conf = match get_config() {
+        Some(conf) => conf,
+        None => {
+            eprintln!("Error opening config file. No Pallet.toml in current directory.");
+            std::process::exit(1);
+        }
+    };
+
+    let build_config = conf.get_or_default(mode).ok_or(std::io::Error::new(
+        std::io::ErrorKind::NotFound,
+        "build layout not found",
+    ))?;
+
+    todo!()
+}

src/config.rs

@@ -0,0 +1,49 @@
+#[derive(serde::Deserialize, serde::Serialize)]
+pub struct Config {
+    /// The name of the output binary
+    pub name: String,
+    /// The default build to use
+    pub default_build: String,
+    /// Build configs
+    pub build: Vec<BuildConf>,
+}
+
+impl Config {
+    pub fn new(name: &str) -> Self {
+        Self {
+            name: name.to_owned(),
+            default_build: "debug".to_owned(),
+            build: vec![BuildConf::debug(), BuildConf::release()],
+        }
+    }
+
+    pub fn get_or_default(&self, mode: Option<String>) -> Option<&BuildConf> {
+        if let Some(mode) = mode {
+            self.build.iter().find(|bc| bc.name == mode)
+        } else {
+            self.build.iter().find(|bc| bc.name == self.default_build)
+        }
+    }
+}
+
+#[derive(serde::Deserialize, serde::Serialize)]
+pub struct BuildConf {
+    pub name: String,
+    pub args: Vec<String>,
+}
+
+impl BuildConf {
+    fn debug() -> Self {
+        Self {
+            name: "debug".to_owned(),
+            args: vec!["-g".to_owned(), "-O0".to_owned()],
+        }
+    }
+
+    fn release() -> Self {
+        Self {
+            name: "release".to_owned(),
+            args: vec!["-DNDEBUG".to_owned(), "-O3".to_owned()],
+        }
+    }
+}

src/main.rs

@@ -0,0 +1,9 @@
+use clap::Parser;
+
+mod app;
+mod config;
+
+fn main() {
+    let app = app::App::parse();
+    app.run();
+}

src/templates/main.c

@@ -0,0 +1,7 @@
+#include <stdio.h>
+
+int main() {
+  printf("Hello, world!\n");
+
+  return 0;  
+}