llcppsigfetch:collect public methods

chore/_xtool/llcppsigfetch/parse/cvt_test/decl_test/class_test/class.go

@@ -9,26 +9,33 @@ func main() {
 func TestClassDecl() {
 	testCases := []string{
 		`class A {
+		public:
 			int a;
 			int b;
 		};`,
 		`class A {
+		public:
 			int a;
 			int b;
 			float foo(int a,double b);
+		private:
+			void bar();
 		};`,
 		`class A {
+		public:
 			A();
 			explicit A();
 			~A();
 			static inline void foo();
 		};`,
 		`class Base {
+		public:
 			Base();
 			virtual ~Base();
 			virtual void foo();
 		};
 		class Derived : public Base {
+		public:
 			Derived();
 			~Derived() override;
 			void foo() override;

chore/_xtool/llcppsigfetch/parse/cvt_test/decl_test/scope_test/scope.go

@@ -18,10 +18,12 @@ func TestScope() {
 			}
 	   	 }`,
 		`class a {
+		 public:
 			void foo(); 
 		 };`,
 		`namespace a {
 		 class b {
+		 public:
 			void foo(); 
 		 };
 	   	 }`,