genbindings: detect signals

cmd/genbindings/clang2il.go

@@ -159,6 +159,8 @@ func processClassType(node map[string]interface{}, className string) (CppClass,
 		}
 	}
 
+	isSignal := false
+
 	// Parse all methods
 
 nextMethod:
@@ -190,6 +192,15 @@ nextMethod:
 				panic("unexpected access visibility '" + access + "'")
 			}
 
+			// Clang sees Q_SIGNALS/signals as being a macro for `public`
+			// If this AccessSpecDecl was imported from a macro, assume it's signals
+			isSignal = false
+			if loc, ok := node["loc"].(map[string]interface{}); ok {
+				if _, ok := loc["expansionLoc"].(map[string]interface{}); ok {
+					isSignal = true
+				}
+			}
+
 		case "FriendDecl":
 			// Safe to ignore
 
@@ -270,6 +281,8 @@ nextMethod:
 				return CppClass{}, err
 			}
 
+			mm.IsSignal = isSignal && !mm.IsStatic && mm.MethodName != `metaObject`
+
 			ret.Methods = append(ret.Methods, mm)
 
 		default:

cmd/genbindings/intermediate.go

@@ -67,6 +67,7 @@ type CppMethod struct {
 	ReturnType         CppParameter // Name not used
 	Parameters         []CppParameter
 	IsStatic           bool
+	IsSignal           bool
 }
 
 func IsArgcArgv(params []CppParameter) bool {