lib/re: make `native` a local variable to check it is not null

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

diff --git a/lib/core/re.nit b/lib/core/re.nit
index 99421f8..ecf9469 100644 (file)
--- a/lib/core/re.nit
+++ b/lib/core/re.nit
@@ -272,6 +272,9 @@ class Regex
 
        private fun get_error(errcode: Int): String
        do
+               var native = native
+               assert native != null
+
                # Error, should be out of memory but we cover any possible error anyway
                var error_cstr = native.regerror(errcode)
 
@@ -291,6 +294,9 @@ class Regex
                var comp_res = compile
                assert comp_res == null else "Regex compilation failed with: {comp_res.message}\n".output
 
+               var native = native
+               assert native != null
+
                # Actually execute
                var eflags = gather_eflags
                var res = native.regexec_match_only(text.to_cstring, eflags)
@@ -320,6 +326,9 @@ class Regex
                var comp_res = compile
                assert comp_res == null else "Regex compilation failed with: {comp_res.message}\n".output
 
+               var native = native
+               assert native != null
+
                # Actually execute
                text = text.to_s
                var cstr = text.substring_from(from).to_cstring
@@ -353,6 +362,9 @@ class Regex
                var comp_res = compile
                assert comp_res == null else "Regex compilation failed with: {comp_res.message}\n".output
 
+               var native = native
+               assert native != null
+
                # Actually execute
                text = text.to_s
                var sub = text.substring_from(from)
@@ -404,6 +416,9 @@ class Regex
                var comp_res = compile
                assert comp_res == null else "Regex compilation failed with: {comp_res.message}\n".output
 
+               var native = native
+               assert native != null
+
                # Actually execute
                text = text.to_s
                var cstr = text.to_cstring