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-rw-r--r--gcc/rust/expand/rust-macro-expand.cc20
1 files changed, 16 insertions, 4 deletions
diff --git a/gcc/rust/expand/rust-macro-expand.cc b/gcc/rust/expand/rust-macro-expand.cc
index b54aa01..7552e82 100644
--- a/gcc/rust/expand/rust-macro-expand.cc
+++ b/gcc/rust/expand/rust-macro-expand.cc
@@ -3194,8 +3194,14 @@ MacroExpander::expand_invoc (AST::MacroInvocation &invoc)
bool ok = mappings->lookup_macro_def (resolved_node, &rules_def);
rust_assert (ok);
- auto fragment
- = expand_decl_macro (invoc.get_locus (), invoc_data, *rules_def, false);
+ auto fragment = AST::ASTFragment::create_empty ();
+
+ if (rules_def->is_builtin ())
+ fragment
+ = rules_def->get_builtin_transcriber () (invoc.get_locus (), invoc_data);
+ else
+ fragment
+ = expand_decl_macro (invoc.get_locus (), invoc_data, *rules_def, false);
// lets attach this fragment to the invocation
invoc.set_fragment (std::move (fragment));
@@ -3229,8 +3235,14 @@ MacroExpander::expand_invoc_semi (AST::MacroInvocationSemi &invoc)
bool ok = mappings->lookup_macro_def (resolved_node, &rules_def);
rust_assert (ok);
- auto fragment
- = expand_decl_macro (invoc.get_locus (), invoc_data, *rules_def, true);
+ auto fragment = AST::ASTFragment::create_empty ();
+
+ if (rules_def->is_builtin ())
+ fragment
+ = rules_def->get_builtin_transcriber () (invoc.get_locus (), invoc_data);
+ else
+ fragment
+ = expand_decl_macro (invoc.get_locus (), invoc_data, *rules_def, true);
// lets attach this fragment to the invocation
invoc.set_fragment (std::move (fragment));