genbindings: add QtClassType() helper

cmd/genbindings/emitcabi.go

@@ -26,7 +26,7 @@ func emitParametersCpp(params []CppParameter, selfType string) string {
 			// Declare that we take two parameters
 			tmp = append(tmp, "const char* "+p.ParameterName+", size_t "+p.ParameterName+"_Strlen")
 
-		} else if (p.ByRef || p.Pointer) && p.ParameterType[0] == 'Q' {
+		} else if (p.ByRef || p.Pointer) && p.QtClassType() {
 			// Pointer to Qt type
 			// Replace with taking our PQ typedef by value
 			tmp = append(tmp, "P"+p.ParameterType+" "+p.ParameterName)

cmd/genbindings/emitgo.go

@@ -48,7 +48,7 @@ func emitParametersGo2CABIForwarding(params []CppParameter) (preamble string, fo
 			preamble += "defer C.free(" + p.ParameterName + "_Cstring)\n"
 			tmp = append(tmp, p.ParameterName+"_Cstring")
 
-		} else if (p.Pointer || p.ByRef) && p.ParameterType[0] == 'Q' {
+		} else if (p.Pointer || p.ByRef) && p.QtClassType() {
 			// The C++ type is a pointer to Qt class
 			// We want our functions to accept the Go wrapper type, and forward as cPointer()
 			tmp = append(tmp, p.ParameterName+".cPointer()")

cmd/genbindings/intermediate.go

@@ -13,6 +13,10 @@ type CppParameter struct {
 	Optional      bool
 }
 
+func (p CppParameter) QtClassType() bool {
+	return p.ParameterType[0] == 'Q'
+}
+
 type CppProperty struct {
 	PropertyName string
 	PropertyType string