Merge pull request #1353 from alexcrichton/raw-module

Add a `raw_module` attribute to `#[wasm_bindgen]`

crates/backend/src/ast.rs

@@ -79,6 +79,7 @@ pub struct Import {
 pub enum ImportModule {
     None,
     Named(String, Span),
+    RawNamed(String, Span),
     Inline(usize, Span),
 }
 
@@ -96,6 +97,10 @@ impl Hash for ImportModule {
                 2u8.hash(h);
                 idx.hash(h);
             }
+            ImportModule::RawNamed(name, _) => {
+                3u8.hash(h);
+                name.hash(h);
+            }
         }
     }
 }

crates/backend/src/encode.rs

@@ -208,6 +208,7 @@ fn shared_import<'a>(i: &'a ast::Import, intern: &'a Interner) -> Result<Import<
             ast::ImportModule::Named(m, span) => {
                 ImportModule::Named(intern.resolve_import_module(m, *span)?)
             }
+            ast::ImportModule::RawNamed(m, _span) => ImportModule::RawNamed(intern.intern_str(m)),
             ast::ImportModule::Inline(idx, _) => ImportModule::Inline(*idx as u32),
             ast::ImportModule::None => ImportModule::None,
         },

crates/cli-support/src/js/mod.rs

@@ -2836,6 +2836,7 @@ impl<'a, 'b> SubContext<'a, 'b> {
         // not sure how to import them.
         let is_local_snippet = match import.module {
             decode::ImportModule::Named(s) => self.cx.local_modules.contains_key(s),
+            decode::ImportModule::RawNamed(_) => false,
             decode::ImportModule::Inline(_) => true,
             decode::ImportModule::None => false,
         };
@@ -2921,11 +2922,13 @@ impl<'a, 'b> SubContext<'a, 'b> {
                 name,
                 field,
             },
-            decode::ImportModule::Named(module) => Import::Module {
-                module,
-                name,
-                field,
-            },
+            decode::ImportModule::Named(module) | decode::ImportModule::RawNamed(module) => {
+                Import::Module {
+                    module,
+                    name,
+                    field,
+                }
+            }
             decode::ImportModule::Inline(idx) => {
                 let offset = *self
                     .cx

crates/macro-support/src/parser.rs

@@ -33,6 +33,7 @@ macro_rules! attrgen {
             (static_method_of, StaticMethodOf(Span, Ident)),
             (js_namespace, JsNamespace(Span, Ident)),
             (module, Module(Span, String, Span)),
+            (raw_module, RawModule(Span, String, Span)),
             (inline_js, InlineJs(Span, String, Span)),
             (getter, Getter(Span, Option<Ident>)),
             (setter, Setter(Span, Option<Ident>)),
@@ -1085,24 +1086,28 @@ impl MacroParse<BindgenAttrs> for syn::ItemForeignMod {
                 ));
             }
         }
-        let module = match opts.module() {
-            Some((name, span)) => {
-                if opts.inline_js().is_some() {
-                    let msg = "cannot specify both `module` and `inline_js`";
-                    errors.push(Diagnostic::span_error(span, msg));
-                }
-                ast::ImportModule::Named(name.to_string(), span)
+        let module = if let Some((name, span)) = opts.module() {
+            if opts.inline_js().is_some() {
+                let msg = "cannot specify both `module` and `inline_js`";
+                errors.push(Diagnostic::span_error(span, msg));
             }
-            None => {
-                match opts.inline_js() {
-                    Some((js, span)) => {
-                        let i = program.inline_js.len();
-                        program.inline_js.push(js.to_string());
-                        ast::ImportModule::Inline(i, span)
-                    }
-                    None => ast::ImportModule::None
-                }
+            if opts.raw_module().is_some() {
+                let msg = "cannot specify both `module` and `raw_module`";
+                errors.push(Diagnostic::span_error(span, msg));
             }
+            ast::ImportModule::Named(name.to_string(), span)
+        } else if let Some((name, span)) = opts.raw_module() {
+            if opts.inline_js().is_some() {
+                let msg = "cannot specify both `raw_module` and `inline_js`";
+                errors.push(Diagnostic::span_error(span, msg));
+            }
+            ast::ImportModule::RawNamed(name.to_string(), span)
+        } else if let Some((js, span)) = opts.inline_js() {
+            let i = program.inline_js.len();
+            program.inline_js.push(js.to_string());
+            ast::ImportModule::Inline(i, span)
+        } else {
+            ast::ImportModule::None
         };
         for item in self.items.into_iter() {
             if let Err(e) = item.macro_parse(program, module.clone()) {

crates/shared/src/lib.rs

@@ -28,6 +28,7 @@ macro_rules! shared_api {
         enum ImportModule<'a> {
             None,
             Named(&'a str),
+            RawNamed(&'a str),
             Inline(u32),
         }