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, 75 insertions, 3 deletions

diff --git a/nexgb/xf86dri/xf86dri.go b/nexgb/xf86dri/xf86dri.go
index 1d7dd72..f0224a5 100644
--- a/nexgb/xf86dri/xf86dri.go
+++ b/nexgb/xf86dri/xf86dri.go
@@ -2,7 +2,7 @@
 package xf86dri
 
 /*
-	This file was generated by xf86dri.xml on May 11 2012 1:58:36am EDT.
+	This file was generated by xf86dri.xml on May 11 2012 11:57:19pm EDT.
 	This file is automatically generated. Edit at your peril!
 */
 
@@ -40,8 +40,6 @@ func init() {
 	xgb.NewExtErrorFuncs["XFree86-DRI"] = make(map[int]xgb.NewErrorFun)
 }
 
-// Skipping definition for base type 'Bool'
-
 // Skipping definition for base type 'Float'
 
 // Skipping definition for base type 'Card8'
@@ -64,6 +62,8 @@ func init() {
 
 // Skipping definition for base type 'Double'
 
+// Skipping definition for base type 'Bool'
+
 type DrmClipRect struct {
 	X1 int16
 	Y1 int16
@@ -140,6 +140,9 @@ 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) QueryVersionCookie {
+	if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
+		panic("Cannot issue request 'QueryVersion' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(queryVersionRequest(c), cookie)
 	return QueryVersionCookie{cookie}
@@ -148,6 +151,9 @@ func QueryVersion(c *xgb.Conn) QueryVersionCookie {
 // 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) QueryVersionCookie {
+	if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
+		panic("Cannot issue request 'QueryVersion' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(queryVersionRequest(c), cookie)
 	return QueryVersionCookie{cookie}
@@ -227,6 +233,9 @@ type QueryDirectRenderingCapableCookie struct {
 // QueryDirectRenderingCapable sends a checked request.
 // If an error occurs, it will be returned with the reply by calling QueryDirectRenderingCapableCookie.Reply()
 func QueryDirectRenderingCapable(c *xgb.Conn, Screen uint32) QueryDirectRenderingCapableCookie {
+	if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
+		panic("Cannot issue request 'QueryDirectRenderingCapable' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(queryDirectRenderingCapableRequest(c, Screen), cookie)
 	return QueryDirectRenderingCapableCookie{cookie}
@@ -235,6 +244,9 @@ func QueryDirectRenderingCapable(c *xgb.Conn, Screen uint32) QueryDirectRenderin
 // QueryDirectRenderingCapableUnchecked sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func QueryDirectRenderingCapableUnchecked(c *xgb.Conn, Screen uint32) QueryDirectRenderingCapableCookie {
+	if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
+		panic("Cannot issue request 'QueryDirectRenderingCapable' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(queryDirectRenderingCapableRequest(c, Screen), cookie)
 	return QueryDirectRenderingCapableCookie{cookie}
@@ -313,6 +325,9 @@ type OpenConnectionCookie struct {
 // OpenConnection sends a checked request.
 // If an error occurs, it will be returned with the reply by calling OpenConnectionCookie.Reply()
 func OpenConnection(c *xgb.Conn, Screen uint32) OpenConnectionCookie {
+	if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
+		panic("Cannot issue request 'OpenConnection' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(openConnectionRequest(c, Screen), cookie)
 	return OpenConnectionCookie{cookie}
@@ -321,6 +336,9 @@ func OpenConnection(c *xgb.Conn, Screen uint32) OpenConnectionCookie {
 // OpenConnectionUnchecked sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func OpenConnectionUnchecked(c *xgb.Conn, Screen uint32) OpenConnectionCookie {
+	if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
+		panic("Cannot issue request 'OpenConnection' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(openConnectionRequest(c, Screen), cookie)
 	return OpenConnectionCookie{cookie}
@@ -414,6 +432,9 @@ type CloseConnectionCookie struct {
 // CloseConnection sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func CloseConnection(c *xgb.Conn, Screen uint32) CloseConnectionCookie {
+	if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
+		panic("Cannot issue request 'CloseConnection' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(closeConnectionRequest(c, Screen), cookie)
 	return CloseConnectionCookie{cookie}
@@ -422,6 +443,9 @@ func CloseConnection(c *xgb.Conn, Screen uint32) CloseConnectionCookie {
 // CloseConnectionChecked sends a checked request.
 // If an error occurs, it can be retrieved using CloseConnectionCookie.Check()
 func CloseConnectionChecked(c *xgb.Conn, Screen uint32) CloseConnectionCookie {
+	if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
+		panic("Cannot issue request 'CloseConnection' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(closeConnectionRequest(c, Screen), cookie)
 	return CloseConnectionCookie{cookie}
@@ -463,6 +487,9 @@ type GetClientDriverNameCookie struct {
 // GetClientDriverName sends a checked request.
 // If an error occurs, it will be returned with the reply by calling GetClientDriverNameCookie.Reply()
 func GetClientDriverName(c *xgb.Conn, Screen uint32) GetClientDriverNameCookie {
+	if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
+		panic("Cannot issue request 'GetClientDriverName' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(getClientDriverNameRequest(c, Screen), cookie)
 	return GetClientDriverNameCookie{cookie}
@@ -471,6 +498,9 @@ func GetClientDriverName(c *xgb.Conn, Screen uint32) GetClientDriverNameCookie {
 // GetClientDriverNameUnchecked sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func GetClientDriverNameUnchecked(c *xgb.Conn, Screen uint32) GetClientDriverNameCookie {
+	if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
+		panic("Cannot issue request 'GetClientDriverName' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(getClientDriverNameRequest(c, Screen), cookie)
 	return GetClientDriverNameCookie{cookie}
@@ -568,6 +598,9 @@ type CreateContextCookie struct {
 // CreateContext sends a checked request.
 // If an error occurs, it will be returned with the reply by calling CreateContextCookie.Reply()
 func CreateContext(c *xgb.Conn, Screen uint32, Visual uint32, Context uint32) CreateContextCookie {
+	if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
+		panic("Cannot issue request 'CreateContext' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(createContextRequest(c, Screen, Visual, Context), cookie)
 	return CreateContextCookie{cookie}
@@ -576,6 +609,9 @@ func CreateContext(c *xgb.Conn, Screen uint32, Visual uint32, Context uint32) Cr
 // CreateContextUnchecked sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func CreateContextUnchecked(c *xgb.Conn, Screen uint32, Visual uint32, Context uint32) CreateContextCookie {
+	if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
+		panic("Cannot issue request 'CreateContext' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(createContextRequest(c, Screen, Visual, Context), cookie)
 	return CreateContextCookie{cookie}
@@ -656,6 +692,9 @@ type DestroyContextCookie struct {
 // DestroyContext sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func DestroyContext(c *xgb.Conn, Screen uint32, Context uint32) DestroyContextCookie {
+	if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
+		panic("Cannot issue request 'DestroyContext' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(destroyContextRequest(c, Screen, Context), cookie)
 	return DestroyContextCookie{cookie}
@@ -664,6 +703,9 @@ func DestroyContext(c *xgb.Conn, Screen uint32, Context uint32) DestroyContextCo
 // DestroyContextChecked sends a checked request.
 // If an error occurs, it can be retrieved using DestroyContextCookie.Check()
 func DestroyContextChecked(c *xgb.Conn, Screen uint32, Context uint32) DestroyContextCookie {
+	if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
+		panic("Cannot issue request 'DestroyContext' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(destroyContextRequest(c, Screen, Context), cookie)
 	return DestroyContextCookie{cookie}
@@ -708,6 +750,9 @@ type CreateDrawableCookie struct {
 // CreateDrawable sends a checked request.
 // If an error occurs, it will be returned with the reply by calling CreateDrawableCookie.Reply()
 func CreateDrawable(c *xgb.Conn, Screen uint32, Drawable uint32) CreateDrawableCookie {
+	if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
+		panic("Cannot issue request 'CreateDrawable' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(createDrawableRequest(c, Screen, Drawable), cookie)
 	return CreateDrawableCookie{cookie}
@@ -716,6 +761,9 @@ func CreateDrawable(c *xgb.Conn, Screen uint32, Drawable uint32) CreateDrawableC
 // CreateDrawableUnchecked sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func CreateDrawableUnchecked(c *xgb.Conn, Screen uint32, Drawable uint32) CreateDrawableCookie {
+	if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
+		panic("Cannot issue request 'CreateDrawable' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(createDrawableRequest(c, Screen, Drawable), cookie)
 	return CreateDrawableCookie{cookie}
@@ -793,6 +841,9 @@ type DestroyDrawableCookie struct {
 // DestroyDrawable sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func DestroyDrawable(c *xgb.Conn, Screen uint32, Drawable uint32) DestroyDrawableCookie {
+	if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
+		panic("Cannot issue request 'DestroyDrawable' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(destroyDrawableRequest(c, Screen, Drawable), cookie)
 	return DestroyDrawableCookie{cookie}
@@ -801,6 +852,9 @@ func DestroyDrawable(c *xgb.Conn, Screen uint32, Drawable uint32) DestroyDrawabl
 // DestroyDrawableChecked sends a checked request.
 // If an error occurs, it can be retrieved using DestroyDrawableCookie.Check()
 func DestroyDrawableChecked(c *xgb.Conn, Screen uint32, Drawable uint32) DestroyDrawableCookie {
+	if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
+		panic("Cannot issue request 'DestroyDrawable' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(destroyDrawableRequest(c, Screen, Drawable), cookie)
 	return DestroyDrawableCookie{cookie}
@@ -845,6 +899,9 @@ type GetDrawableInfoCookie struct {
 // GetDrawableInfo sends a checked request.
 // If an error occurs, it will be returned with the reply by calling GetDrawableInfoCookie.Reply()
 func GetDrawableInfo(c *xgb.Conn, Screen uint32, Drawable uint32) GetDrawableInfoCookie {
+	if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
+		panic("Cannot issue request 'GetDrawableInfo' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(getDrawableInfoRequest(c, Screen, Drawable), cookie)
 	return GetDrawableInfoCookie{cookie}
@@ -853,6 +910,9 @@ func GetDrawableInfo(c *xgb.Conn, Screen uint32, Drawable uint32) GetDrawableInf
 // GetDrawableInfoUnchecked sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func GetDrawableInfoUnchecked(c *xgb.Conn, Screen uint32, Drawable uint32) GetDrawableInfoCookie {
+	if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
+		panic("Cannot issue request 'GetDrawableInfo' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(getDrawableInfoRequest(c, Screen, Drawable), cookie)
 	return GetDrawableInfoCookie{cookie}
@@ -974,6 +1034,9 @@ type GetDeviceInfoCookie struct {
 // GetDeviceInfo sends a checked request.
 // If an error occurs, it will be returned with the reply by calling GetDeviceInfoCookie.Reply()
 func GetDeviceInfo(c *xgb.Conn, Screen uint32) GetDeviceInfoCookie {
+	if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
+		panic("Cannot issue request 'GetDeviceInfo' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(getDeviceInfoRequest(c, Screen), cookie)
 	return GetDeviceInfoCookie{cookie}
@@ -982,6 +1045,9 @@ func GetDeviceInfo(c *xgb.Conn, Screen uint32) GetDeviceInfoCookie {
 // GetDeviceInfoUnchecked sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func GetDeviceInfoUnchecked(c *xgb.Conn, Screen uint32) GetDeviceInfoCookie {
+	if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
+		panic("Cannot issue request 'GetDeviceInfo' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(getDeviceInfoRequest(c, Screen), cookie)
 	return GetDeviceInfoCookie{cookie}
@@ -1084,6 +1150,9 @@ type AuthConnectionCookie struct {
 // AuthConnection sends a checked request.
 // If an error occurs, it will be returned with the reply by calling AuthConnectionCookie.Reply()
 func AuthConnection(c *xgb.Conn, Screen uint32, Magic uint32) AuthConnectionCookie {
+	if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
+		panic("Cannot issue request 'AuthConnection' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(authConnectionRequest(c, Screen, Magic), cookie)
 	return AuthConnectionCookie{cookie}
@@ -1092,6 +1161,9 @@ func AuthConnection(c *xgb.Conn, Screen uint32, Magic uint32) AuthConnectionCook
 // AuthConnectionUnchecked sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func AuthConnectionUnchecked(c *xgb.Conn, Screen uint32, Magic uint32) AuthConnectionCookie {
+	if _, ok := c.Extensions["XFREE86-DRI"]; !ok {
+		panic("Cannot issue request 'AuthConnection' using the uninitialized extension 'XFree86-DRI'. xf86dri.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(authConnectionRequest(c, Screen, Magic), cookie)
 	return AuthConnectionCookie{cookie}