[vala] vapigen: Support finish_name attribute for async methods

[Jürg Billeter <juergbi src gnome org>]

commit a46ba4fa4d8f729d340dc4048eb0e19f09876014
Author: Michal Hruby <michal mhr gmail com>
Date:   Wed Apr 28 14:23:30 2010 +0200

    vapigen: Support finish_name attribute for async methods

 vala/valacodewriter.vala    |    4 ++++
 vala/valamethod.vala        |   37 +++++++++++++++++++++++--------------
 vapigen/valagidlparser.vala |   14 ++++++++++++++
 3 files changed, 41 insertions(+), 14 deletions(-)
---
diff --git a/vala/valacodewriter.vala b/vala/valacodewriter.vala
index f75691f..cb9c70c 100644
--- a/vala/valacodewriter.vala
+++ b/vala/valacodewriter.vala
@@ -928,6 +928,10 @@ public class Vala.CodeWriter : CodeVisitor {
 			ccode_params.append_printf ("%svfunc_name = \"%s\"", separator, m.vfunc_name);
 			separator = ", ";
 		}
+		if (m.coroutine && m.get_finish_cname () != m.get_default_finish_cname ()) {
+			ccode_params.append_printf ("%sfinish_name = \"%s\"", separator, m.get_finish_cname ());
+			separator = ", ";
+		}
 		if (m.sentinel != m.DEFAULT_SENTINEL) {
 			ccode_params.append_printf ("%ssentinel = \"%s\"", separator, m.sentinel);
 			separator = ", ";
diff --git a/vala/valamethod.vala b/vala/valamethod.vala
index e91008a..3619638 100644
--- a/vala/valamethod.vala
+++ b/vala/valamethod.vala
@@ -233,6 +233,7 @@ public class Vala.Method : Member {
 
 	private List<FormalParameter> parameters = new ArrayList<FormalParameter> ();
 	private string cname;
+	private string finish_name;
 	private string _vfunc_name;
 	private string _sentinel;
 	private List<Expression> preconditions = new ArrayList<Expression> ();
@@ -351,12 +352,14 @@ public class Vala.Method : Member {
 
 	public string get_finish_cname () {
 		assert (coroutine);
-		string result = get_cname ();
-		if (result.has_suffix ("_async")) {
-			result = result.substring (0, result.length - "_async".length);
+		if (finish_name == null) {
+			finish_name = get_default_finish_cname ();
 		}
-		result += "_finish";
-		return result;
+		return finish_name;
+	}
+
+	public void set_finish_cname (string name) {
+		finish_name = name;
 	}
 
 	/**
@@ -390,9 +393,8 @@ public class Vala.Method : Member {
 		}
 	}
 
-	public string get_finish_real_cname () {
-		assert (coroutine);
-		string result = get_real_cname ();
+	protected string get_finish_name_for_basename (string basename) {
+		string result = basename;
 		if (result.has_suffix ("_async")) {
 			result = result.substring (0, result.length - "_async".length);
 		}
@@ -400,14 +402,18 @@ public class Vala.Method : Member {
 		return result;
 	}
 
+	public string get_finish_real_cname () {
+		assert (coroutine);
+		return get_finish_name_for_basename (get_real_cname ());
+	}
+
 	public string get_finish_vfunc_name () {
 		assert (coroutine);
-		string result = vfunc_name;
-		if (result.has_suffix ("_async")) {
-			result = result.substring (0, result.length - "_async".length);
-		}
-		result += "_finish";
-		return result;
+		return get_finish_name_for_basename (vfunc_name);
+	}
+
+	public string get_default_finish_cname () {
+		return get_finish_name_for_basename (get_cname ());
 	}
 	
 	/**
@@ -432,6 +438,9 @@ public class Vala.Method : Member {
 		if (a.has_argument ("vfunc_name")) {
 			this.vfunc_name = a.get_string ("vfunc_name");
 		}
+		if (a.has_argument ("finish_name")) {
+			this.finish_name = a.get_string ("finish_name");
+		}
 		if (a.has_argument ("sentinel")) {
 			this.sentinel = a.get_string ("sentinel");
 		}
diff --git a/vapigen/valagidlparser.vala b/vapigen/valagidlparser.vala
index 87bed68..a4c5a92 100644
--- a/vapigen/valagidlparser.vala
+++ b/vapigen/valagidlparser.vala
@@ -1260,6 +1260,18 @@ public class Vala.GIdlParser : CodeVisitor {
 					finish_method_base = m.name;
 				}
 				var finish_method = type_symbol.scope.lookup (finish_method_base + "_finish") as Method;
+
+				// check if the method is using non-standard finish method name
+				if (finish_method == null) {
+					var method_cname = m.get_finish_cname ();
+					foreach (Method method in type_symbol.get_methods ()) {
+						if (method.get_cname () == method_cname) {
+							finish_method = method;
+							break;
+						}
+					}
+				}
+
 				if (finish_method != null) {
 					m.return_type = finish_method.return_type.copy ();
 					foreach (var param in finish_method.get_parameters ()) {
@@ -1652,6 +1664,8 @@ public class Vala.GIdlParser : CodeVisitor {
 					}
 				} else if (nv[0] == "vfunc_name") {
 					m.vfunc_name = eval (nv[1]);
+				} else if (nv[0] == "finish_name") {
+					m.set_finish_cname (eval (nv[1]));
 				} else if (nv[0] == "async") {
 					if (eval (nv[1]) == "1") {
 						// force async function, even if it doesn't end in _async