[vala] girparser: Support lower_case_csuffix

[Luca Bruno <lucabru src gnome org>]

commit 7abd9b1b835fd573265c0238470a474aa39562d5
Author: Luca Bruno <lucabru src gnome org>
Date:   Mon Aug 1 23:47:33 2011 +0200

    girparser: Support lower_case_csuffix

 vala/valagirparser.vala |   28 ++++++++++++++++++++++------
 vapi/clutter-1.0.vapi   |    2 +-
 2 files changed, 23 insertions(+), 7 deletions(-)
---
diff --git a/vala/valagirparser.vala b/vala/valagirparser.vala
index 436ba95..9a71429 100644
--- a/vala/valagirparser.vala
+++ b/vala/valagirparser.vala
@@ -581,11 +581,6 @@ public class Vala.GirParser : CodeVisitor {
 				}
 			}
 
-			/* gir doesn't use the full C prefix in c:symbol-prefix
-			 * so we can't rely on it if parent changed prefix */
-			if (prefix == null && girdata != null && girdata["c:symbol-prefix"] != null && !parent.metadata.has_argument (ArgumentType.CPREFIX)) {
-				prefix = "%s%s_".printf (parent.get_lower_case_cprefix (), girdata["c:symbol-prefix"]);
-			}
 			if (prefix == null) {
 				prefix = get_default_lower_case_cprefix ();
 			}
@@ -593,7 +588,24 @@ public class Vala.GirParser : CodeVisitor {
 		}
 
 		public string get_default_lower_case_cprefix () {
-			return "%s%s_".printf (parent.get_lower_case_cprefix (), Symbol.camel_case_to_lower_case (name));
+			return "%s%s_".printf (parent.get_lower_case_cprefix (), get_lower_case_csuffix ());
+		}
+
+		public string get_lower_case_csuffix () {
+			var suffix = symbol.get_attribute_string ("CCode", "lower_case_csuffix");
+
+			// we can't rely on gir suffix if metadata changed the name
+			if (suffix == null && girdata != null && girdata["c:symbol-prefix"] != null && !metadata.has_argument (ArgumentType.NAME)) {
+				suffix = girdata["c:symbol-prefix"];
+			}
+			if (suffix == null) {
+				suffix = get_default_lower_case_csuffix ();
+			}
+			return suffix;
+		}
+
+		public string get_default_lower_case_csuffix () {
+			return Symbol.camel_case_to_lower_case (name);
 		}
 
 		public string get_cprefix () {
@@ -947,6 +959,10 @@ public class Vala.GirParser : CodeVisitor {
 						symbol.set_attribute_string ("CCode", "lower_case_cprefix", get_lower_case_cprefix ());
 					}
 				}
+				// lower_case_csuffix
+				if (get_lower_case_csuffix () != get_default_lower_case_csuffix ()) {
+					symbol.set_attribute_string ("CCode", "lower_case_csuffix", get_lower_case_csuffix ());
+				}
 			}
 
 			if (!(new_symbol && merged) && is_container (symbol)) {
diff --git a/vapi/clutter-1.0.vapi b/vapi/clutter-1.0.vapi
index 9053c1d..63bc66d 100644
--- a/vapi/clutter-1.0.vapi
+++ b/vapi/clutter-1.0.vapi
@@ -1153,7 +1153,7 @@ namespace Clutter {
 		public void set_width (float width);
 		public void union (Clutter.PaintVolume another_pv);
 	}
-	[CCode (cheader_filename = "clutter/clutter.h", cprefix = "clutter_param_units_", type_id = "clutter_param_units_get_type ()")]
+	[CCode (cheader_filename = "clutter/clutter.h", lower_case_csuffix = "param_units", type_id = "clutter_param_units_get_type ()")]
 	public class ParamSpecUnit {
 		[CCode (has_construct_function = false)]
 		protected ParamSpecUnit ();