started working on build system

Cargo.toml

@@ -1,7 +1,7 @@
 cargo-features = ["codegen-backend"]
 
 [workspace]
-members = ["emulator", "common", "assembler", "dsa_editor", "compiler"]
+members = ["emulator", "common", "assembler", "dsa_editor", "compiler", "dsx-build"]
 resolver = "3"
 
 [workspace.package]

assembler/src/lib.rs

@@ -24,5 +24,22 @@ pub mod prelude {
     pub use crate::tooling::project;
 }
 
+use std::path::Path;
+
 use num_cpus as _;
 use threadpool as _;
+
+use crate::prelude::CompilerEngine;
+
+pub fn assemble_file(input: &str, output: &str) -> Result<(), std::io::Error> {
+    let mut engine = CompilerEngine::new();
+    engine.start_compilation(Path::new(input));
+    let result = engine.wait_for_result().unwrap();
+    for instruction in result {
+        if let Err(e) = std::fs::write(output, instruction.encode().to_be_bytes()) {
+            eprintln!("Failed to write to output file: {e}");
+            std::process::exit(1);
+        }
+    }
+    Ok(())
+}

dsx-build/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "dsx-build"
+version.workspace = true
+edition.workspace = true
+authors.workspace = true
+
+[dependencies]
+compiler = { path = "../compiler" }
+assembler = { path = "../assembler" }
+chrono = "0.4.43"

dsx-build/src/main.rs

@@ -0,0 +1,223 @@
+use std::process::{Command, Stdio};
+use std::{
+    env, fs,
+    path::{Path, PathBuf},
+};
+
+/// Run a command and exit on failure.
+fn run(cmd: &mut Command) {
+    let status = cmd.status().expect("failed to execute command");
+    if !status.success() {
+        std::process::exit(1);
+    }
+}
+
+fn main() {
+    // Very small CLI – only three sub‑commands.
+    let args: Vec<String> = env::args().collect();
+    if args.len() < 2 {
+        eprintln!("Usage: dsx-build <new|build|package> [options]");
+        std::process::exit(1);
+    }
+    match args[1].as_str() {
+        "new" => cmd_new(&args[2..]),
+        "build" => cmd_build(),
+        "package" => todo!("Package manager stub – not implemented yet."),
+        _ => {
+            eprintln!("Unknown command: {}", args[1]);
+            std::process::exit(1);
+        }
+    }
+}
+
+// ----------  new project ----------------------------------------------------
+fn cmd_new(args: &[String]) {
+    let mut lang = "dsa";
+    for i in 0..args.len() {
+        if args[i] == "--lang" && i + 1 < args.len() {
+            lang = &args[i + 1];
+        }
+    }
+
+    // Determine project root: a subdirectory named after the supplied --name argument.
+    let mut name_opt = None;
+    for i in 0..args.len() {
+        if args[i] == "--name" && i + 1 < args.len() {
+            name_opt = Some(&args[i + 1]);
+            break;
+        }
+    }
+
+    let project_name = match name_opt {
+        Some(name) => name.to_string(),
+        None => {
+            eprintln!("Error: --name argument required");
+            std::process::exit(1);
+        }
+    };
+
+    let cwd = env::current_dir().unwrap();
+    let src_path = cwd.join(&project_name).join("src");
+    fs::create_dir_all(&src_path).expect("Failed to create project directory");
+
+    match lang {
+        "dsa" => {
+            // Minimal DSA binary template.
+            let path = src_path.join(format!("main.dsa"));
+            let template = format!(
+                r#"
+// GENERATED BY DSX-BUILD
+// Generated at: {timestamp}
+// Project name: {project_name}
+
+// Imports
+include print: "./lib/io/print.dsa"
+
+// Globals & Reserved Memory
+dw stack: 0x10000
+db message: "Process Exited with code:"
+
+// Entry Point
+_init:
+    ldw stack, bpr
+    mov bpr, spr
+    push zero
+    call main
+    call print::print_newline
+    lwi message, rg0
+    push rg0
+    call print::print
+    pop zero
+    call print::print_hex_word
+    pop zero
+    hlt
+
+    main:
+    push bpr
+    mov spr, bpr
+
+    lli 0, rg0
+    stw rg0, bpr, 8
+
+    mov bpr, spr
+    pop bpr
+    return"#,
+                project_name = project_name,
+                timestamp = chrono::Utc::now().format("%Y-%m-%d %H:%M:%S").to_string()
+            );
+            fs::write(path, template).expect("Unable to write DSA file");
+        }
+        "dsc" => {
+            let path = src_path.join(format!("main.dsc"));
+            let template = r#"
+include print: "./lib/io/print.dsa";
+
+fn main() -> u32 {
+    return 0;
+}"#;
+            fs::write(path, template).expect("Unable to write DSC file");
+        }
+        _ => {
+            eprintln!("Unsupported language: {}", lang);
+            std::process::exit(1);
+        }
+    }
+
+    println!(
+        "Created new {} project in {}.",
+        lang,
+        src_path.parent().unwrap().display()
+    );
+}
+
+// ----------  build ----------------------------------------------------------
+fn cmd_build() {
+    let cwd = env::current_dir().unwrap();
+
+    // Detect .dsc or .dsa files in current directory.
+    let mut has_dsc = false;
+    let mut has_dsa = false;
+    for entry in fs::read_dir(&cwd.join("src")).expect("unable to read dir") {
+        if let Ok(entry) = entry {
+            let path = entry.path();
+            if path.extension().and_then(|s| s.to_str()) == Some("dsc") {
+                has_dsc = true;
+            } else if path.extension().and_then(|s| s.to_str()) == Some("dsa") {
+                has_dsa = true;
+            }
+        }
+    }
+
+    if !has_dsc && !has_dsa {
+        eprintln!("No .dsc or .dsa source found in src directory.");
+        std::process::exit(1);
+    }
+
+    // Assemble main.dsa to a dsb binary.
+    println!("Assembling Project to a DSB binary...");
+    let build_dir = cwd.join("build");
+    fs::create_dir_all(&build_dir).expect("Failed to create build directory");
+
+    // Copy everything from `cwd/src` to the build directory.
+    fn copy_recursively(src: &Path, dst: &Path) {
+        if src.is_file() {
+            fs::create_dir_all(dst.parent().unwrap())
+                .expect("Failed to create parent directory");
+            fs::copy(src, dst).expect("Failed to copy file");
+        } else if src.is_dir() {
+            for entry in fs::read_dir(src).expect("Unable to read source dir") {
+                let entry = entry.expect("Failed to read entry");
+                let child_src = entry.path();
+                let child_dst = dst.join(entry.file_name());
+                copy_recursively(&child_src, &child_dst);
+            }
+        }
+    }
+
+    let src_dir = cwd.join("src");
+    if src_dir.exists() {
+        copy_recursively(&src_dir, &build_dir);
+    }
+
+    // Change current working directory to the build directory.
+    env::set_current_dir(&build_dir).expect("Failed to change to build directory");
+
+    if has_dsc {
+        println!("Compiling DSC to DSA...");
+        fn compile_recursive(path: &Path) {
+            if path.is_dir() {
+                for entry in fs::read_dir(path).expect("unable to read dir") {
+                    let entry = entry.expect("failed to read entry");
+                    compile_recursive(&entry.path());
+                }
+            } else if path.extension().and_then(|s| s.to_str()) == Some("dsc") {
+                let input_path = path;
+                let output_path = path.with_extension("dsa");
+                compiler::compile_file(&input_path, &output_path).unwrap_or_else(|e| {
+                    eprintln!("Failed to compile {:?}: {}", input_path, e);
+                    std::process::exit(1);
+                });
+            }
+        }
+        compile_recursive(&build_dir);
+    }
+
+    // Replace .dsc with .dsa only in include statements, recursively for each file.
+    let mut sed_cmd = Command::new("bash");
+    sed_cmd.args(&[
+        "-c",
+        &format!(
+            "find \"{}\" -type f -name '*.dsa' -exec sed -i '/^include/ s/\\.dsc/.dsa/g' {{}} +",
+            build_dir.display()
+        ),
+    ]);
+    run(&mut sed_cmd);
+
+    fs::create_dir_all(&cwd.join("artifacts")).expect("Failed to create build directory");
+    assembler::assemble_file("./main.dsa", "../artifacts/out.dsb").unwrap_or_else(|e| {
+        eprintln!("Failed to assemble {:?}: {}", "./main.dsa", e);
+        std::process::exit(1);
+    });
+
+    println!("Build finished. Binary at {}/main.dsb", build_dir.display());
+}