panic when an extension request is issued before an extension has been initialized. but give a nice error message for the happy people.

1 files changed, 65 insertions, 11 deletions

diff --git a/nexgb/composite/composite.go b/nexgb/composite/composite.go
index 4217736..68e8dbe 100644
--- a/nexgb/composite/composite.go
+++ b/nexgb/composite/composite.go
@@ -2,7 +2,7 @@
 package composite
 
 /*
-	This file was generated by composite.xml on May 11 2012 1:58:35am EDT.
+	This file was generated by composite.xml on May 11 2012 11:57:18pm EDT.
 	This file is automatically generated. Edit at your peril!
 */
 
@@ -41,6 +41,16 @@ func init() {
 	xgb.NewExtErrorFuncs["Composite"] = make(map[int]xgb.NewErrorFun)
 }
 
+// Skipping definition for base type 'Int16'
+
+// Skipping definition for base type 'Int32'
+
+// Skipping definition for base type 'Void'
+
+// Skipping definition for base type 'Byte'
+
+// Skipping definition for base type 'Int8'
+
 // Skipping definition for base type 'Card16'
 
 // Skipping definition for base type 'Char'
@@ -55,16 +65,6 @@ func init() {
 
 // Skipping definition for base type 'Card8'
 
-// Skipping definition for base type 'Int16'
-
-// Skipping definition for base type 'Int32'
-
-// Skipping definition for base type 'Void'
-
-// Skipping definition for base type 'Byte'
-
-// Skipping definition for base type 'Int8'
-
 const (
 	RedirectAutomatic = 0
 	RedirectManual    = 1
@@ -78,6 +78,9 @@ type QueryVersionCookie struct {
 // QueryVersion sends a checked request.
 // If an error occurs, it will be returned with the reply by calling QueryVersionCookie.Reply()
 func QueryVersion(c *xgb.Conn, ClientMajorVersion uint32, ClientMinorVersion uint32) QueryVersionCookie {
+	if _, ok := c.Extensions["COMPOSITE"]; !ok {
+		panic("Cannot issue request 'QueryVersion' using the uninitialized extension 'Composite'. composite.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(queryVersionRequest(c, ClientMajorVersion, ClientMinorVersion), cookie)
 	return QueryVersionCookie{cookie}
@@ -86,6 +89,9 @@ func QueryVersion(c *xgb.Conn, ClientMajorVersion uint32, ClientMinorVersion uin
 // QueryVersionUnchecked sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func QueryVersionUnchecked(c *xgb.Conn, ClientMajorVersion uint32, ClientMinorVersion uint32) QueryVersionCookie {
+	if _, ok := c.Extensions["COMPOSITE"]; !ok {
+		panic("Cannot issue request 'QueryVersion' using the uninitialized extension 'Composite'. composite.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(queryVersionRequest(c, ClientMajorVersion, ClientMinorVersion), cookie)
 	return QueryVersionCookie{cookie}
@@ -170,6 +176,9 @@ type RedirectWindowCookie struct {
 // RedirectWindow sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func RedirectWindow(c *xgb.Conn, Window xproto.Window, Update byte) RedirectWindowCookie {
+	if _, ok := c.Extensions["COMPOSITE"]; !ok {
+		panic("Cannot issue request 'RedirectWindow' using the uninitialized extension 'Composite'. composite.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(redirectWindowRequest(c, Window, Update), cookie)
 	return RedirectWindowCookie{cookie}
@@ -178,6 +187,9 @@ func RedirectWindow(c *xgb.Conn, Window xproto.Window, Update byte) RedirectWind
 // RedirectWindowChecked sends a checked request.
 // If an error occurs, it can be retrieved using RedirectWindowCookie.Check()
 func RedirectWindowChecked(c *xgb.Conn, Window xproto.Window, Update byte) RedirectWindowCookie {
+	if _, ok := c.Extensions["COMPOSITE"]; !ok {
+		panic("Cannot issue request 'RedirectWindow' using the uninitialized extension 'Composite'. composite.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(redirectWindowRequest(c, Window, Update), cookie)
 	return RedirectWindowCookie{cookie}
@@ -224,6 +236,9 @@ type RedirectSubwindowsCookie struct {
 // RedirectSubwindows sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func RedirectSubwindows(c *xgb.Conn, Window xproto.Window, Update byte) RedirectSubwindowsCookie {
+	if _, ok := c.Extensions["COMPOSITE"]; !ok {
+		panic("Cannot issue request 'RedirectSubwindows' using the uninitialized extension 'Composite'. composite.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(redirectSubwindowsRequest(c, Window, Update), cookie)
 	return RedirectSubwindowsCookie{cookie}
@@ -232,6 +247,9 @@ func RedirectSubwindows(c *xgb.Conn, Window xproto.Window, Update byte) Redirect
 // RedirectSubwindowsChecked sends a checked request.
 // If an error occurs, it can be retrieved using RedirectSubwindowsCookie.Check()
 func RedirectSubwindowsChecked(c *xgb.Conn, Window xproto.Window, Update byte) RedirectSubwindowsCookie {
+	if _, ok := c.Extensions["COMPOSITE"]; !ok {
+		panic("Cannot issue request 'RedirectSubwindows' using the uninitialized extension 'Composite'. composite.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(redirectSubwindowsRequest(c, Window, Update), cookie)
 	return RedirectSubwindowsCookie{cookie}
@@ -278,6 +296,9 @@ type UnredirectWindowCookie struct {
 // UnredirectWindow sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func UnredirectWindow(c *xgb.Conn, Window xproto.Window, Update byte) UnredirectWindowCookie {
+	if _, ok := c.Extensions["COMPOSITE"]; !ok {
+		panic("Cannot issue request 'UnredirectWindow' using the uninitialized extension 'Composite'. composite.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(unredirectWindowRequest(c, Window, Update), cookie)
 	return UnredirectWindowCookie{cookie}
@@ -286,6 +307,9 @@ func UnredirectWindow(c *xgb.Conn, Window xproto.Window, Update byte) Unredirect
 // UnredirectWindowChecked sends a checked request.
 // If an error occurs, it can be retrieved using UnredirectWindowCookie.Check()
 func UnredirectWindowChecked(c *xgb.Conn, Window xproto.Window, Update byte) UnredirectWindowCookie {
+	if _, ok := c.Extensions["COMPOSITE"]; !ok {
+		panic("Cannot issue request 'UnredirectWindow' using the uninitialized extension 'Composite'. composite.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(unredirectWindowRequest(c, Window, Update), cookie)
 	return UnredirectWindowCookie{cookie}
@@ -332,6 +356,9 @@ type UnredirectSubwindowsCookie struct {
 // UnredirectSubwindows sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func UnredirectSubwindows(c *xgb.Conn, Window xproto.Window, Update byte) UnredirectSubwindowsCookie {
+	if _, ok := c.Extensions["COMPOSITE"]; !ok {
+		panic("Cannot issue request 'UnredirectSubwindows' using the uninitialized extension 'Composite'. composite.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(unredirectSubwindowsRequest(c, Window, Update), cookie)
 	return UnredirectSubwindowsCookie{cookie}
@@ -340,6 +367,9 @@ func UnredirectSubwindows(c *xgb.Conn, Window xproto.Window, Update byte) Unredi
 // UnredirectSubwindowsChecked sends a checked request.
 // If an error occurs, it can be retrieved using UnredirectSubwindowsCookie.Check()
 func UnredirectSubwindowsChecked(c *xgb.Conn, Window xproto.Window, Update byte) UnredirectSubwindowsCookie {
+	if _, ok := c.Extensions["COMPOSITE"]; !ok {
+		panic("Cannot issue request 'UnredirectSubwindows' using the uninitialized extension 'Composite'. composite.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(unredirectSubwindowsRequest(c, Window, Update), cookie)
 	return UnredirectSubwindowsCookie{cookie}
@@ -386,6 +416,9 @@ type CreateRegionFromBorderClipCookie struct {
 // CreateRegionFromBorderClip sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func CreateRegionFromBorderClip(c *xgb.Conn, Region xfixes.Region, Window xproto.Window) CreateRegionFromBorderClipCookie {
+	if _, ok := c.Extensions["COMPOSITE"]; !ok {
+		panic("Cannot issue request 'CreateRegionFromBorderClip' using the uninitialized extension 'Composite'. composite.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(createRegionFromBorderClipRequest(c, Region, Window), cookie)
 	return CreateRegionFromBorderClipCookie{cookie}
@@ -394,6 +427,9 @@ func CreateRegionFromBorderClip(c *xgb.Conn, Region xfixes.Region, Window xproto
 // CreateRegionFromBorderClipChecked sends a checked request.
 // If an error occurs, it can be retrieved using CreateRegionFromBorderClipCookie.Check()
 func CreateRegionFromBorderClipChecked(c *xgb.Conn, Region xfixes.Region, Window xproto.Window) CreateRegionFromBorderClipCookie {
+	if _, ok := c.Extensions["COMPOSITE"]; !ok {
+		panic("Cannot issue request 'CreateRegionFromBorderClip' using the uninitialized extension 'Composite'. composite.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(createRegionFromBorderClipRequest(c, Region, Window), cookie)
 	return CreateRegionFromBorderClipCookie{cookie}
@@ -438,6 +474,9 @@ type NameWindowPixmapCookie struct {
 // NameWindowPixmap sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func NameWindowPixmap(c *xgb.Conn, Window xproto.Window, Pixmap xproto.Pixmap) NameWindowPixmapCookie {
+	if _, ok := c.Extensions["COMPOSITE"]; !ok {
+		panic("Cannot issue request 'NameWindowPixmap' using the uninitialized extension 'Composite'. composite.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(nameWindowPixmapRequest(c, Window, Pixmap), cookie)
 	return NameWindowPixmapCookie{cookie}
@@ -446,6 +485,9 @@ func NameWindowPixmap(c *xgb.Conn, Window xproto.Window, Pixmap xproto.Pixmap) N
 // NameWindowPixmapChecked sends a checked request.
 // If an error occurs, it can be retrieved using NameWindowPixmapCookie.Check()
 func NameWindowPixmapChecked(c *xgb.Conn, Window xproto.Window, Pixmap xproto.Pixmap) NameWindowPixmapCookie {
+	if _, ok := c.Extensions["COMPOSITE"]; !ok {
+		panic("Cannot issue request 'NameWindowPixmap' using the uninitialized extension 'Composite'. composite.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(nameWindowPixmapRequest(c, Window, Pixmap), cookie)
 	return NameWindowPixmapCookie{cookie}
@@ -490,6 +532,9 @@ type GetOverlayWindowCookie struct {
 // GetOverlayWindow sends a checked request.
 // If an error occurs, it will be returned with the reply by calling GetOverlayWindowCookie.Reply()
 func GetOverlayWindow(c *xgb.Conn, Window xproto.Window) GetOverlayWindowCookie {
+	if _, ok := c.Extensions["COMPOSITE"]; !ok {
+		panic("Cannot issue request 'GetOverlayWindow' using the uninitialized extension 'Composite'. composite.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(getOverlayWindowRequest(c, Window), cookie)
 	return GetOverlayWindowCookie{cookie}
@@ -498,6 +543,9 @@ func GetOverlayWindow(c *xgb.Conn, Window xproto.Window) GetOverlayWindowCookie
 // GetOverlayWindowUnchecked sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func GetOverlayWindowUnchecked(c *xgb.Conn, Window xproto.Window) GetOverlayWindowCookie {
+	if _, ok := c.Extensions["COMPOSITE"]; !ok {
+		panic("Cannot issue request 'GetOverlayWindow' using the uninitialized extension 'Composite'. composite.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(getOverlayWindowRequest(c, Window), cookie)
 	return GetOverlayWindowCookie{cookie}
@@ -575,6 +623,9 @@ type ReleaseOverlayWindowCookie struct {
 // ReleaseOverlayWindow sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func ReleaseOverlayWindow(c *xgb.Conn, Window xproto.Window) ReleaseOverlayWindowCookie {
+	if _, ok := c.Extensions["COMPOSITE"]; !ok {
+		panic("Cannot issue request 'ReleaseOverlayWindow' using the uninitialized extension 'Composite'. composite.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(releaseOverlayWindowRequest(c, Window), cookie)
 	return ReleaseOverlayWindowCookie{cookie}
@@ -583,6 +634,9 @@ func ReleaseOverlayWindow(c *xgb.Conn, Window xproto.Window) ReleaseOverlayWindo
 // ReleaseOverlayWindowChecked sends a checked request.
 // If an error occurs, it can be retrieved using ReleaseOverlayWindowCookie.Check()
 func ReleaseOverlayWindowChecked(c *xgb.Conn, Window xproto.Window) ReleaseOverlayWindowCookie {
+	if _, ok := c.Extensions["COMPOSITE"]; !ok {
+		panic("Cannot issue request 'ReleaseOverlayWindow' using the uninitialized extension 'Composite'. composite.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(releaseOverlayWindowRequest(c, Window), cookie)
 	return ReleaseOverlayWindowCookie{cookie}