Avoid some string copying

1 files changed, 5 insertions, 5 deletions

diff --git a/vapigen/valagidlparser.vala b/vapigen/valagidlparser.vala
index ceb6b3315..553d1c855 100644
--- a/vapigen/valagidlparser.vala
+++ b/vapigen/valagidlparser.vala
@@ -112,7 +112,7 @@ public class Vala.GIdlParser : CodeVisitor {
 				string metadata;
 				FileUtils.get_contents (metadata_filename, out metadata, null);
 				
-				foreach (string line in metadata.split ("\n")) {
+				foreach (unowned string line in metadata.split ("\n")) {
 					if (line.has_prefix ("#")) {
 						// ignore comment lines
 						continue;
@@ -750,7 +750,7 @@ public class Vala.GIdlParser : CodeVisitor {
 
 		if (suppress_throws == false && error_types != null) {
 			var type_args = eval (error_types).split (",");
-			foreach (string type_arg in type_args) {
+			foreach (unowned string type_arg in type_args) {
 				cb.add_error_type (parse_type_from_string (type_arg, true));
 			}
 		}
@@ -921,7 +921,7 @@ public class Vala.GIdlParser : CodeVisitor {
 						} else if (nv[0] == "deprecated_since") {
 							cl.set_attribute_string ("Version", "deprecated_since", eval (nv[1]));
 						} else if (nv[0] == "type_parameters") {
-							foreach (string type_param_name in eval (nv[1]).split (",")) {
+							foreach (unowned string type_param_name in eval (nv[1]).split (",")) {
 								cl.add_type_parameter (new TypeParameter (type_param_name, current_source_reference));
 							}
 						} else if (nv[0] == "experimental") {
@@ -2552,7 +2552,7 @@ public class Vala.GIdlParser : CodeVisitor {
 									if (val.has_prefix ("\"") && val.has_suffix ("\"")) {
 										p.initializer = new StringLiteral (val, param_type.source_reference);
 									} else {
-										foreach (var member in val.split (".")) {
+										foreach (unowned string member in val.split (".")) {
 											p.initializer = new MemberAccess (p.initializer, member, param_type.source_reference);
 										}
 									}
@@ -2597,7 +2597,7 @@ public class Vala.GIdlParser : CodeVisitor {
 
 		if (suppress_throws == false && error_types != null) {
 			var type_args = eval (error_types).split (",");
-			foreach (string type_arg in type_args) {
+			foreach (unowned string type_arg in type_args) {
 				m.add_error_type (parse_type_from_string (type_arg, true));
 			}
 		}