tests all pass

src/backend/eval.rs

@@ -1,12 +1,10 @@
 use crate::backend::Backend;
 use crate::eval::EvalError;
-use crate::ir::{Expression, Program, TopLevel, Type};
-use crate::syntax::Location;
+use crate::ir::{Expression, Program, Type};
 use cranelift_jit::JITModule;
 use cranelift_object::ObjectModule;
 #[cfg(test)]
 use proptest::arbitrary::Arbitrary;
-use std::collections::HashMap;
 use std::path::Path;
 use target_lexicon::Triple;
 
@@ -56,45 +54,11 @@ impl Backend<ObjectModule> {
         //let allocator = Arena::<()>::new();
         //program.pretty(&allocator).render(80, &mut std::io::stdout())?;
         let mut backend = Self::object_file(Triple::host())?;
-        let mut function_map = HashMap::new();
-        let mut main_function_body = vec![];
-
-        for item in program.items {
-            match item {
-                TopLevel::Function(name, args, rettype, body) => {
-                    let function_id = backend.compile_function(
-                        &mut HashMap::new(),
-                        name.as_str(),
-                        args.as_slice(),
-                        rettype,
-                        body,
-                    )?;
-                    function_map.insert(name, function_id);
-                }
-
-                TopLevel::Statement(stmt) => {
-                    main_function_body.push(stmt);
-                }
-            }
-        }
-
-        let main_function_body = Expression::Block(
-            Location::manufactured(),
-            Type::Primitive(crate::eval::PrimitiveType::Void),
-            main_function_body,
-        );
-
         let my_directory = tempfile::tempdir()?;
         let object_path = my_directory.path().join("object.o");
         let executable_path = my_directory.path().join("test_executable");
 
-        backend.compile_function(
-            &mut HashMap::new(),
-            "gogogo",
-            &[],
-            Type::Primitive(crate::eval::PrimitiveType::Void),
-            main_function_body,
-        )?;
+        backend.compile_program("gogogo", program)?;
         let bytes = backend.bytes()?;
         std::fs::write(&object_path, bytes)?;
         Self::link(&object_path, &executable_path)?;