Start adding support for classes

crates/wasm-bindgen-shared/src/lib.rs

@@ -1,6 +1,26 @@
 #[macro_use]
 extern crate serde_derive;
 
+#[derive(Serialize, Deserialize)]
+pub struct Program {
+    pub structs: Vec<Struct>,
+    pub free_functions: Vec<Function>,
+}
+
+#[derive(Serialize, Deserialize)]
+pub struct Struct {
+    pub name: String,
+    pub ctor: Function,
+    pub functions: Vec<Function>,
+    pub methods: Vec<Method>,
+}
+
+#[derive(Serialize, Deserialize)]
+pub struct Method {
+    pub mutable: bool,
+    pub function: Function,
+}
+
 #[derive(Serialize, Deserialize)]
 pub struct Function {
     pub name: String,
@@ -13,6 +33,9 @@ pub enum Type {
     Number,
     BorrowedStr,
     String,
+    ByValue(String),
+    ByRef(String),
+    ByMutRef(String),
 }
 
 impl Type {