[PATCH] Avoid recursive inline function expansion

Ideally we should probably allocate an error code for recursive expand,
so the caller can know that the inline did not expand at all.

But the evaluate_symbol_call don't care about that so I just make it
reutrn 0.

1 files changed, 5 insertions, 0 deletions

diff --git a/inline.c b/inline.c
index 6591a5e0..1c40dc3e 100644
--- a/inline.c
+++ b/inline.c
@@ -407,6 +407,10 @@ int inline_function(struct expression *expr, struct symbol *sym)
 		warn(fn->pos, "marked inline, but without a definition");
 		return 0;
 	}
+	if (fn->expanding)
+		return 0;
+	fn->expanding = 1;
+
 	name_list = fn->arguments;
 
 	stmt = alloc_statement(expr->pos, STMT_COMPOUND);
@@ -440,5 +444,6 @@ int inline_function(struct expression *expr, struct symbol *sym)
 
 	evaluate_statement(stmt);
 
+	fn->expanding = 0;
 	return 1;
 }