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-rw-r--r--users/grfn/achilles/src/commands/check.rs39
-rw-r--r--users/grfn/achilles/src/commands/compile.rs31
-rw-r--r--users/grfn/achilles/src/commands/eval.rs28
-rw-r--r--users/grfn/achilles/src/commands/mod.rs7
4 files changed, 105 insertions, 0 deletions
diff --git a/users/grfn/achilles/src/commands/check.rs b/users/grfn/achilles/src/commands/check.rs
new file mode 100644
index 000000000000..0bea482c1478
--- /dev/null
+++ b/users/grfn/achilles/src/commands/check.rs
@@ -0,0 +1,39 @@
+use clap::Clap;
+use std::path::PathBuf;
+
+use crate::ast::Type;
+use crate::{parser, tc, Result};
+
+/// Typecheck a file or expression
+#[derive(Clap)]
+pub struct Check {
+    /// File to check
+    path: Option<PathBuf>,
+
+    /// Expression to check
+    #[clap(long, short = 'e')]
+    expr: Option<String>,
+}
+
+fn run_expr(expr: String) -> Result<Type<'static>> {
+    let (_, parsed) = parser::expr(&expr)?;
+    let hir_expr = tc::typecheck_expr(parsed)?;
+    Ok(hir_expr.type_().to_owned())
+}
+
+fn run_path(path: PathBuf) -> Result<Type<'static>> {
+    todo!()
+}
+
+impl Check {
+    pub fn run(self) -> Result<()> {
+        let type_ = match (self.path, self.expr) {
+            (None, None) => Err("Must specify either a file or expression to check".into()),
+            (Some(_), Some(_)) => Err("Cannot specify both a file and expression to check".into()),
+            (None, Some(expr)) => run_expr(expr),
+            (Some(path), None) => run_path(path),
+        }?;
+        println!("type: {}", type_);
+        Ok(())
+    }
+}
diff --git a/users/grfn/achilles/src/commands/compile.rs b/users/grfn/achilles/src/commands/compile.rs
new file mode 100644
index 000000000000..be8767575ab5
--- /dev/null
+++ b/users/grfn/achilles/src/commands/compile.rs
@@ -0,0 +1,31 @@
+use std::path::PathBuf;
+
+use clap::Clap;
+
+use crate::common::Result;
+use crate::compiler::{self, CompilerOptions};
+
+/// Compile a source file
+#[derive(Clap)]
+pub struct Compile {
+    /// File to compile
+    file: PathBuf,
+
+    /// Output file
+    #[clap(short = 'o')]
+    out_file: PathBuf,
+
+    #[clap(flatten)]
+    options: CompilerOptions,
+}
+
+impl Compile {
+    pub fn run(self) -> Result<()> {
+        eprintln!(
+            ">>> {} -> {}",
+            &self.file.to_string_lossy(),
+            self.out_file.to_string_lossy()
+        );
+        compiler::compile_file(&self.file, &self.out_file, &self.options)
+    }
+}
diff --git a/users/grfn/achilles/src/commands/eval.rs b/users/grfn/achilles/src/commands/eval.rs
new file mode 100644
index 000000000000..efd7399ed1c4
--- /dev/null
+++ b/users/grfn/achilles/src/commands/eval.rs
@@ -0,0 +1,28 @@
+use clap::Clap;
+
+use crate::{codegen, interpreter, parser, tc, Result};
+
+/// Evaluate an expression and print its result
+#[derive(Clap)]
+pub struct Eval {
+    /// JIT-compile with LLVM instead of interpreting
+    #[clap(long)]
+    jit: bool,
+
+    /// Expression to evaluate
+    expr: String,
+}
+
+impl Eval {
+    pub fn run(self) -> Result<()> {
+        let (_, parsed) = parser::expr(&self.expr)?;
+        let hir = tc::typecheck_expr(parsed)?;
+        let result = if self.jit {
+            codegen::jit_eval::<i64>(&hir)?.into()
+        } else {
+            interpreter::eval(&hir)?
+        };
+        println!("{}", result);
+        Ok(())
+    }
+}
diff --git a/users/grfn/achilles/src/commands/mod.rs b/users/grfn/achilles/src/commands/mod.rs
new file mode 100644
index 000000000000..fd0a822708c2
--- /dev/null
+++ b/users/grfn/achilles/src/commands/mod.rs
@@ -0,0 +1,7 @@
+pub mod check;
+pub mod compile;
+pub mod eval;
+
+pub use check::Check;
+pub use compile::Compile;
+pub use eval::Eval;