Add test, remove printlns

crates/ra_hir_expand/src/db.rs

@@ -206,7 +206,6 @@ fn macro_expand_with_arg(
     };
     let (tt, err) = macro_rules.0.expand(db, lazy_id, &macro_arg.0);
     // Set a hard limit for the expanded tt
-    eprintln!("expansion size: {}", tt.count());
     let count = tt.count();
     if count > 65536 {
         return (None, Some(format!("Total tokens count exceed limit : count = {}", count)));

crates/ra_ide/src/completion/complete_scope.rs

@@ -905,6 +905,59 @@ mod tests {
         );
     }
 
+    #[test]
+    fn completes_in_simple_macro_without_closing_parens() {
+        assert_debug_snapshot!(
+                    do_reference_completion(
+                        r"
+                macro_rules! m { ($e:expr) => { $e } }
+                fn quux(x: i32) {
+                    let y = 92;
+                    m!(x<|>
+                }
+                "
+                    ),
+                    @r###"
+        [
+            CompletionItem {
+                label: "m!",
+                source_range: [145; 146),
+                delete: [145; 146),
+                insert: "m!($0)",
+                kind: Macro,
+                detail: "macro_rules! m",
+            },
+            CompletionItem {
+                label: "quux(…)",
+                source_range: [145; 146),
+                delete: [145; 146),
+                insert: "quux(${1:x})$0",
+                kind: Function,
+                lookup: "quux",
+                detail: "fn quux(x: i32)",
+                trigger_call_info: true,
+            },
+            CompletionItem {
+                label: "x",
+                source_range: [145; 146),
+                delete: [145; 146),
+                insert: "x",
+                kind: Binding,
+                detail: "i32",
+            },
+            CompletionItem {
+                label: "y",
+                source_range: [145; 146),
+                delete: [145; 146),
+                insert: "y",
+                kind: Binding,
+                detail: "i32",
+            },
+        ]
+        "###
+        );
+    }
+
     #[test]
     fn completes_unresolved_uses() {
         assert_debug_snapshot!(

crates/ra_mbe/src/mbe_expander.rs

@@ -11,7 +11,6 @@ use rustc_hash::FxHashMap;
 use crate::{ExpandError, ExpandResult};
 
 pub(crate) fn expand(rules: &crate::MacroRules, input: &tt::Subtree) -> ExpandResult<tt::Subtree> {
-    eprintln!("expanding input: {:?}", input);
     let (mut result, mut unmatched_tokens, mut unmatched_patterns, mut err) = (
         tt::Subtree::default(),
         usize::max_value(),

crates/ra_mbe/src/syntax_bridge.rs

@@ -73,7 +73,6 @@ pub fn token_tree_to_syntax_node(
     tt: &tt::Subtree,
     fragment_kind: FragmentKind,
 ) -> Result<(Parse<SyntaxNode>, TokenMap), ExpandError> {
-    eprintln!("token_tree_to_syntax_node {:?} as {:?}", tt, fragment_kind);
     let tmp;
     let tokens = match tt {
         tt::Subtree { delimiter: None, token_trees } => token_trees.as_slice(),