initial commit

echse_cute/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "echse_cute"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+clap.workspace = true
+echse = { path = "../echse" }

echse_cute/src/main.rs

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+use echse::machine::MachineBuilder;
+use echse::parser::EiParser;
+
+#[derive(clap::Parser)]
+#[command(version, about, long_about = None)]
+struct Cli {
+    ei_file: String,
+    #[arg(short, long, default_value_t = 2)]
+    registers: usize,
+    #[arg(short, long, default_value_t = false)]
+    verbose: bool,
+}
+
+fn main() {
+    let args: Cli = clap::Parser::parse();
+
+    let parser = EiParser::from_file(&args.ei_file).unwrap();
+    let instructions = match parser.parse() {
+        Ok(i) => i,
+        Err(e) => {
+            parser
+                .write_error_report(e, &mut std::io::stderr())
+                .expect("failed to generate error report");
+            return;
+        }
+    };
+
+    let mut machine = MachineBuilder::new()
+        .with_registers(args.registers)
+        .with_instructions(instructions)
+        .build()
+        .unwrap();
+
+    println!("done building machine: \n{machine}");
+
+    while machine.step() {
+        if args.verbose {
+            println!("executed instruction: {machine:?}");
+        }
+    }
+
+    println!("final state: \n{machine}");
+}