Added more cranelift deps

Cargo.toml

@@ -4,5 +4,11 @@ version = "0.1.0"
 edition = "2024"
 
 [dependencies]
+anyhow = "1.0.100"
 ntest = "0.9.3"
 cranelift = "0.131.0"
+cranelift-codegen = "0.131.0"
+cranelift-frontend = "0.131.0"
+cranelift-module = "0.131.0"
+cranelift-object = "0.131.0"
+target-lexicon = "0.13"

src/emitter.rs

@@ -1,19 +1,29 @@
-//! The emitter for turning the abstract syntax tree into LLVM IR
+//! The emitter for turning the abstract syntax tree into Cranelift IR.
 
-// Temp used for the emitter placeholder
-use std::marker::PhantomData;
+use cranelift_codegen::{isa, settings};
+use cranelift_frontend::FunctionBuilderContext;
+use cranelift_module::default_libcall_names;
+use cranelift_object::{ObjectBuilder, ObjectModule};
+use target_lexicon::HOST;
 
-/// The emiter structure, including a lifetime.
-///
-/// See lexer.rs about doing away with lifetimes like this
+/// The emitter state.
 #[allow(dead_code)]
-pub struct Emitter<'ctx> {
-    temporary: PhantomData<&'ctx ()>,
+pub struct Emitter {
+    module: ObjectModule,
+    function_context: FunctionBuilderContext,
 }
 
 #[allow(unused_variables, dead_code)]
-impl Emitter<'_> {
-    pub fn new(module_name: &str) -> Self {
-        unimplemented!()
+impl Emitter {
+    pub fn new() -> anyhow::Result<Self> {
+        let shared_flags = settings::Flags::new(settings::builder());
+        let isa_builder = isa::lookup(HOST)?;
+        let isa = isa_builder.finish(shared_flags)?;
+        let builder = ObjectBuilder::new(isa, "bcomp", default_libcall_names())?;
+
+        Ok(Self {
+            module: ObjectModule::new(builder),
+            function_context: FunctionBuilderContext::new(),
+        })
     }
 }

src/main.rs

@@ -5,10 +5,14 @@
 
 //! A compiler for the basic language
 
+use crate::parser::Parser;
+
 mod emitter;
 mod lexer;
 mod parser;
 
 fn main() {
-    println!("Hello, world!");
+    let mut parser = Parser::from_input("1");
+
+    let _program = parser.parse_program();
 }