Add support for WIT features (#957)

This commit updates the wasm-tools crates to their 209 versions which
include support for WIT features from bytecodealliance/wasm-tools#1508.
This adds a `--features` CLI flag in addition to a `features`
configuration of the Rust bindings macro.

Cargo.toml

@@ -28,11 +28,11 @@ pulldown-cmark = { version = "0.9", default-features = false }
 clap = { version = "4.3.19", features = ["derive"] }
 indexmap = "2.0.0"
 
-wasmparser = "0.208.0"
-wasm-encoder = "0.208.0"
-wasm-metadata = "0.208.0"
-wit-parser = "0.208.0"
-wit-component = "0.208.0"
+wasmparser = "0.209.0"
+wasm-encoder = "0.209.0"
+wasm-metadata = "0.209.0"
+wit-parser = "0.209.0"
+wit-component = "0.209.0"
 
 wit-bindgen-core = { path = 'crates/core', version = '0.25.0' }
 wit-bindgen-c = { path = 'crates/c', version = '0.25.0' }

crates/c/src/lib.rs

@@ -656,9 +656,9 @@ pub fn imported_types_used_by_exported_interfaces(
     for (_, export) in resolve.worlds[world].exports.iter() {
         match export {
             WorldItem::Function(_) => {}
-            WorldItem::Interface(i) => {
-                exported_interfaces.insert(*i);
-                live_export_types.add_interface(resolve, *i)
+            WorldItem::Interface { id, .. } => {
+                exported_interfaces.insert(*id);
+                live_export_types.add_interface(resolve, *id)
             }
             WorldItem::Type(_) => unreachable!(),
         }
@@ -1346,7 +1346,7 @@ impl<'a> wit_bindgen_core::AnonymousTypeGenerator<'a> for InterfaceGenerator<'a>
         self.resolve
     }
 
-    fn anonymous_type_handle(&mut self, id: TypeId, handle: &Handle, docs: &Docs) {
+    fn anonymous_type_handle(&mut self, id: TypeId, handle: &Handle, _docs: &Docs) {
         self.src.h_defs("\ntypedef ");
         let resource = match handle {
             Handle::Borrow(id) | Handle::Own(id) => id,
@@ -1360,7 +1360,7 @@ impl<'a> wit_bindgen_core::AnonymousTypeGenerator<'a> for InterfaceGenerator<'a>
         self.print_typedef_target(id);
     }
 
-    fn anonymous_type_tuple(&mut self, id: TypeId, ty: &Tuple, docs: &Docs) {
+    fn anonymous_type_tuple(&mut self, id: TypeId, ty: &Tuple, _docs: &Docs) {
         self.src.h_defs("\ntypedef ");
         self.src.h_defs("struct {\n");
         for (i, t) in ty.types.iter().enumerate() {
@@ -1372,7 +1372,7 @@ impl<'a> wit_bindgen_core::AnonymousTypeGenerator<'a> for InterfaceGenerator<'a>
         self.print_typedef_target(id);
     }
 
-    fn anonymous_type_option(&mut self, id: TypeId, ty: &Type, docs: &Docs) {
+    fn anonymous_type_option(&mut self, id: TypeId, ty: &Type, _docs: &Docs) {
         self.src.h_defs("\ntypedef ");
         self.src.h_defs("struct {\n");
         self.src.h_defs("bool is_some;\n");
@@ -1383,7 +1383,7 @@ impl<'a> wit_bindgen_core::AnonymousTypeGenerator<'a> for InterfaceGenerator<'a>
         self.print_typedef_target(id);
     }
 
-    fn anonymous_type_result(&mut self, id: TypeId, ty: &Result_, docs: &Docs) {
+    fn anonymous_type_result(&mut self, id: TypeId, ty: &Result_, _docs: &Docs) {
         self.src.h_defs("\ntypedef ");
         self.src.h_defs(
             "struct {
@@ -1409,7 +1409,7 @@ impl<'a> wit_bindgen_core::AnonymousTypeGenerator<'a> for InterfaceGenerator<'a>
         self.print_typedef_target(id);
     }
 
-    fn anonymous_type_list(&mut self, id: TypeId, ty: &Type, docs: &Docs) {
+    fn anonymous_type_list(&mut self, id: TypeId, ty: &Type, _docs: &Docs) {
         self.src.h_defs("\ntypedef ");
         self.src.h_defs("struct {\n");
         let ty = self.gen.type_name(ty);
@@ -1420,15 +1420,15 @@ impl<'a> wit_bindgen_core::AnonymousTypeGenerator<'a> for InterfaceGenerator<'a>
         self.print_typedef_target(id);
     }
 
-    fn anonymous_type_future(&mut self, id: TypeId, ty: &Option<Type>, docs: &Docs) {
+    fn anonymous_type_future(&mut self, _id: TypeId, _ty: &Option<Type>, _docs: &Docs) {
         todo!("print_anonymous_type for future");
     }
 
-    fn anonymous_type_stream(&mut self, id: TypeId, ty: &Stream, docs: &Docs) {
+    fn anonymous_type_stream(&mut self, _id: TypeId, _ty: &Stream, _docs: &Docs) {
         todo!("print_anonymous_type for stream");
     }
 
-    fn anonymous_typ_type(&mut self, id: TypeId, ty: &Type, docs: &Docs) {
+    fn anonymous_typ_type(&mut self, _id: TypeId, _ty: &Type, _docs: &Docs) {
         todo!("print_anonymous_type for typ");
     }
 }
@@ -3098,16 +3098,6 @@ impl Source {
     }
 }
 
-trait SourceExt {
-    fn as_source(&mut self) -> &mut wit_bindgen_core::Source;
-}
-
-impl SourceExt for wit_bindgen_core::Source {
-    fn as_source(&mut self) -> &mut wit_bindgen_core::Source {
-        self
-    }
-}
-
 fn wasm_type(ty: WasmType) -> &'static str {
     match ty {
         WasmType::I32 => "int32_t",

crates/core/src/lib.rs

@@ -37,7 +37,7 @@ pub trait WorldGenerator {
         for (name, import) in world.imports.iter() {
             match import {
                 WorldItem::Function(f) => funcs.push((unwrap_name(name), f)),
-                WorldItem::Interface(id) => self.import_interface(resolve, name, *id, files),
+                WorldItem::Interface { id, .. } => self.import_interface(resolve, name, *id, files),
                 WorldItem::Type(id) => types.push((unwrap_name(name), *id)),
             }
         }
@@ -61,7 +61,7 @@ pub trait WorldGenerator {
         for (name, export) in world.exports.iter() {
             match export {
                 WorldItem::Function(f) => funcs.push((unwrap_name(name), f)),
-                WorldItem::Interface(id) => interfaces.push((name, id)),
+                WorldItem::Interface { id, .. } => interfaces.push((name, id)),
                 WorldItem::Type(_) => unreachable!(),
             }
         }

crates/core/src/types.rs

@@ -77,7 +77,7 @@ impl Types {
                     WorldItem::Function(f) => {
                         self.type_info_func(resolve, f, import);
                     }
-                    WorldItem::Interface(id) => {
+                    WorldItem::Interface { id, stability: _ } => {
                         for (_, f) in resolve.interfaces[*id].functions.iter() {
                             self.type_info_func(resolve, f, import);
                         }

crates/go/src/lib.rs

@@ -14,7 +14,6 @@ use wit_bindgen_core::{Direction, Files, Source, WorldGenerator};
 mod bindgen;
 mod imports;
 mod interface;
-mod path;
 
 #[derive(Debug, Clone)]
 #[cfg_attr(feature = "clap", derive(clap::Args))]