Implement isFunctionMacroLike in new paradigm

Author: kulp

src/clang.rs

@@ -417,7 +417,14 @@ impl Cursor {
 
     /// Is this Cursor pointing to a function-like macro definition?
     pub fn is_macro_function_like(&self) -> bool {
-        unsafe { clang_Cursor_isMacroFunctionLike(self.x) != 0 }
+        match self.node {
+            ASTNode::PreprocessedEntity(p) => unsafe {
+                clang_interface::PreprocessedEntity_isFunctionMacroLike(
+                    self.unit, p,
+                )
+            },
+            _ => false,
+        }
     }
 
     /// Get the kind of referent this cursor is pointing to.

src/clang/clang_interface.hpp

@@ -264,6 +264,8 @@ CX_CXXAccessSpecifier CXXBaseSpecifier_getAccess(const CXXBaseSpecifier *);
 BindgenSourceRange Attr_getSourceRange(const Attr *);
 BindgenSourceRange PreprocessedEntity_getSourceRange(const PreprocessedEntity *);
 
+bool PreprocessedEntity_isFunctionMacroLike(ASTUnit *TU, const PreprocessedEntity *ppe);
+
 } // extern "C"
 
 #endif // BINDGEN_CLANG_AST_H

src/clang/clang_interface.rs

@@ -8453,6 +8453,12 @@ extern "C" {
         arg1: *const clang_PreprocessedEntity,
     ) -> BindgenSourceRange;
 }
+extern "C" {
+    pub fn PreprocessedEntity_isFunctionMacroLike(
+        TU: *mut clang_ASTUnit,
+        ppe: *const clang_PreprocessedEntity,
+    ) -> bool;
+}
 #[repr(C)]
 #[derive(Debug, Copy, Clone)]
 pub struct __locale_data {

src/clang/libclang_compat.cpp

@@ -1714,6 +1714,15 @@ void tokenize(ASTUnit *TU, BindgenSourceRange Range, CXToken **Tokens,
   *NumTokens = CXTokens.size();
 }
 
+// Adapted from CursorVisitor:visitPreprocessedEntities in CIndex.cpp
+bool PreprocessedEntity_isFunctionMacroLike(ASTUnit *TU,
+                                            const PreprocessedEntity *ppe) {
+  return isa<MacroDefinitionRecord>(ppe) &&
+         TU->getPreprocessor()
+             .getMacroInfo(cast<MacroDefinitionRecord>(ppe)->getName())
+             ->isFunctionLike();
+}
+
 // Originally clang_getTokenKind in CIndex.cpp
 CXTokenKind getTokenKind(CXToken token) {
   return static_cast<CXTokenKind>(token.int_data[0]);