field naming

semantic/src/hir.rs

@@ -163,10 +163,20 @@ impl TopLevelHirScope {
     }
 
     pub fn next_var_idx(&self) -> usize {
-        self.var_idx.fetch_add(1, Ordering::Relaxed) + 1
+        self.var_idx.fetch_add(1, Ordering::Relaxed)
     }
 
     pub fn get_name(&self, export: bool) -> String {
         format!("{}{}", if export { 'V' } else { 'v' }, self.next_var_idx())
     }
 }
+
+impl TypeRef {
+    pub fn get_name(&self) -> String {
+        match self {
+            TypeRef::Function(f) => f.name.clone(),
+            TypeRef::Struct(s) => s.name.clone(),
+            TypeRef::Int => "int".to_string(),
+        }
+    }
+}

semantic/src/lib.rs

@@ -1,6 +1,11 @@
-use std::sync::Arc;
+use std::{collections::HashMap, sync::Arc};
 
-use crate::scope::{LocalScope, Scope};
+use parser::ast::{ParamList, TypeExpr};
+
+use crate::{
+    hir::VarRef,
+    scope::{LocalScope, Scope},
+};
 
 pub mod hir;
 pub mod scope;
@@ -14,7 +19,13 @@ pub fn walk_ast(top_scope: Arc<Scope>, tl: &mut Vec<parser::ast::TopLevel>) {
             parser::ast::TopLevel::FunctionDecl {
                 params, body, name, ..
             } => {
-                *name = top_scope.get_reference(name).unwrap().name.clone();
+                let rf = top_scope.get_reference(name).unwrap();
+                *name = rf.name.clone();
+
+                match &*rf.var_type {
+                    hir::TypeRef::Function(f) => walk_param_list(&f.params, params),
+                    _ => unimplemented!(),
+                }
 
                 let scope = LocalScope::new(top_scope.clone());
 
@@ -23,9 +34,26 @@ pub fn walk_ast(top_scope: Arc<Scope>, tl: &mut Vec<parser::ast::TopLevel>) {
                 scope.with_block(body);
             }
 
-            parser::ast::TopLevel::StructDecl { name, .. } => {
-                *name = top_scope.get_reference(name).unwrap().name.clone();
+            parser::ast::TopLevel::StructDecl { name, fields, .. } => {
+                let rf = top_scope.get_reference(name).unwrap();
+                *name = rf.name.clone();
+
+                match &*rf.var_type {
+                    hir::TypeRef::Struct(s) => walk_param_list(&s.fields, fields),
+                    _ => unimplemented!(),
                 }
             }
         }
     }
+}
+
+pub fn walk_param_list(fields: &HashMap<String, Arc<VarRef>>, param_list: &mut ParamList) {
+    param_list.0.clear();
+
+    for (_, param) in fields {
+        param_list.0.push((
+            param.name.clone(),
+            TypeExpr::Identifier(param.var_type.get_name()),
+        ));
+    }
+}

test/src/main.ms

@@ -2,8 +2,4 @@ export struct MyType {
     x: int,
 }
 
-export function test(): MyType { }
-
-function add() {
-    let output = test().x;
-}
+export function test(a: MyType) { }