[IDE] Move definition of low-level runNameMatcher entry point to .cpp file

Author: ahoppen

include/swift/IDE/IDEBridging.h

@@ -159,26 +159,4 @@ class BridgedResolvedLocVector {
   void *getOpaqueValue() const;
 };
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/// Low-level entry point to run the NameMatcher written in swift-syntax.
-///
-/// - Warning: The only caller of this should be `swift::ide::runNameMatcher`.
-///
-/// - Parameters:
-///   - sourceFilePtr: A pointer to an `ExportedSourceFile`, used to access the
-///     syntax tree
-///   - locations: Pointer to a buffer of `BridgedSourceLoc` that should be
-///     resolved by the name matcher.
-///   - locationsCount: Number of elements in `locations`.
-/// - Returns: The opaque value of a `BridgedResolvedLocVector`.
-void *swift_SwiftIDEUtilsBridging_runNameMatcher(const void *sourceFilePtr,
-                                                 BridgedSourceLoc *locations,
-                                                 size_t locationsCount);
-#ifdef __cplusplus
-}
-#endif
-
 #endif

lib/IDE/Utils.cpp

@@ -1096,6 +1096,21 @@ void swift::ide::getReceiverType(Expr *Base,
 }
 
 #if SWIFT_BUILD_SWIFT_SYNTAX
+extern "C" {
+/// Low-level entry point to run the NameMatcher written in swift-syntax.
+///
+/// - Parameters:
+///   - sourceFilePtr: A pointer to an `ExportedSourceFile`, used to access the
+///     syntax tree
+///   - locations: Pointer to a buffer of `BridgedSourceLoc` that should be
+///     resolved by the name matcher.
+///   - locationsCount: Number of elements in `locations`.
+/// - Returns: The opaque value of a `BridgedResolvedLocVector`.
+void *swift_SwiftIDEUtilsBridging_runNameMatcher(const void *sourceFilePtr,
+                                                 BridgedSourceLoc *locations,
+                                                 size_t locationsCount);
+}
+
 std::vector<ResolvedLoc>
 swift::ide::runNameMatcher(const SourceFile &sourceFile,
                            ArrayRef<SourceLoc> locations) {