From: Alexis Laferrière <alexis.laf@xymus.net>
Date: Fri, 8 May 2015 13:07:19 +0000 (-0400)
Subject: src/ffi: add a check before compiling FFI methods to see if supported
X-Git-Tag: v0.7.5~64^2~4
X-Git-Url: http://nitlanguage.org

src/ffi: add a check before compiling FFI methods to see if supported

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
---

diff --git a/src/compiler/compiler_ffi/light.nit b/src/compiler/compiler_ffi/light.nit
index 345377a..c7e3b0e 100644
--- a/src/compiler/compiler_ffi/light.nit
+++ b/src/compiler/compiler_ffi/light.nit
@@ -98,11 +98,18 @@ redef class AMethPropdef
 		mmodule.ensure_compile_nitni_base(v)
 	end
 
+	# Should we compile the extern method `self`?
+	#
+	# Returns false when restricting to the light FFI on methods using callbacks.
+	fun accept_externmeth: Bool do return true
+
 	redef fun compile_externmeth_to_c(v, mpropdef, arguments)
 	do
 		# if using the old native interface fallback on previous implementation
 		if n_extern_code_block == null then return super
 
+		if not accept_externmeth then return false
+
 		var mmodule = mpropdef.mclassdef.mmodule
 		mmodule.uses_ffi = true
 
@@ -164,6 +171,8 @@ redef class AMethPropdef
 		# if using the old native interface fallback on previous implementation
 		if n_extern_code_block == null then return super
 
+		if not accept_externmeth then return false
+
 		var mmodule = mpropdef.mclassdef.mmodule
 		mmodule.uses_ffi = true