Rust: suppress macro call expansion warnings in Meta

Author: redsun82

rust/extractor/src/translate/base.rs

@@ -29,11 +29,18 @@ macro_rules! pre_emit {
             return Some(label);
         }
     };
+    (Meta, $self:ident, $node:ident) => {
+        // rust-analyzer doesn't expand macros in this context
+        $self.macro_context_depth += 1;
+    };
     ($($_:tt)*) => {};
 }
 
 #[macro_export]
 macro_rules! post_emit {
+    (Meta, $self:ident, $node:ident, $label:ident) => {
+        $self.macro_context_depth -= 1;
+    };
     (MacroCall, $self:ident, $node:ident, $label:ident) => {
         $self.extract_macro_call_expanded($node, $label);
     };
@@ -122,7 +129,7 @@ pub struct Translator<'a> {
     pub semantics: Option<&'a Semantics<'a, RootDatabase>>,
     resolve_paths: bool,
     source_kind: SourceKind,
-    macro_context_depth: usize,
+    pub(crate) macro_context_depth: usize,
 }
 
 const UNKNOWN_LOCATION: (LineCol, LineCol) =

rust/ql/integration-tests/macro-expansion/test.expected

@@ -40,4 +40,3 @@ unexpanded_macro_calls
 warnings
 | calls/src/included.rs:2:9:2:39 | macro expansion failed: could not resolve macro 'concat' |
 | calls/src/lib.rs:22:9:22:31 | macro expansion failed: could not resolve macro 'concat' |
-| calls/src/lib.rs:29:9:29:32 | macro expansion failed: could not resolve macro 'include_str' |