Initial commit

bin/kecc.rs

@@ -0,0 +1,52 @@
+#[macro_use]
+extern crate clap;
+use clap::{crate_authors, crate_description, crate_version, App};
+
+#[macro_use]
+extern crate kecc;
+
+use kecc::{Codegen, Irgen, Optimize, Parse, Translate, O1};
+
+fn main() {
+    let yaml = load_yaml!("kecc_cli.yml");
+    #[allow(deprecated)]
+    let matches = App::from_yaml(yaml)
+        .version(crate_version!())
+        .about(crate_description!())
+        .author(crate_authors!(", "))
+        .get_matches();
+
+    let input = matches.value_of("INPUT").unwrap();
+    let unit = ok_or_exit!(Parse::default().translate(&input), 1);
+
+    let output = matches.value_of("output").unwrap_or_else(|| "-");
+    let mut output: Box<dyn ::std::io::Write> = if output == "-" {
+        Box::new(::std::io::stdout())
+    } else {
+        Box::new(ok_or_exit!(::std::fs::File::open(output), 1))
+    };
+
+    if matches.is_present("print") {
+        kecc::write_c(&unit, &mut output).unwrap();
+        return;
+    }
+
+    let mut ir = match Irgen::default().translate(&unit) {
+        Ok(ir) => ir,
+        Err(irgen_error) => {
+            println!("{}", irgen_error);
+            return;
+        }
+    };
+    if matches.is_present("irgen") {
+        kecc::write_ir(&ir, &mut output).unwrap();
+        return;
+    }
+
+    if matches.is_present("optimize") {
+        O1::default().optimize(&mut ir);
+    }
+
+    let asm = ok_or_exit!(Codegen::default().translate(&ir), 1);
+    kecc::write_asm(&asm, &mut output);
+}