llcppsigfetch:marco tokens & refine test

chore/_xtool/llcppsigfetch/parse/cvt_test/cvt.go

@@ -0,0 +1,28 @@
+package cvttest
+
+import (
+	"github.com/goplus/llgo/c"
+	"github.com/goplus/llgo/chore/_xtool/llcppsigfetch/parse"
+)
+
+func RunTest(testName string, testCases []string) {
+	for i, content := range testCases {
+		converter, err := parse.NewConverter(&parse.Config{
+			File: content,
+			Temp: true,
+		})
+		if err != nil {
+			panic(err)
+		}
+
+		_, err = converter.Convert()
+		if err != nil {
+			panic(err)
+		}
+
+		json := converter.MarshalASTFiles()
+		c.Printf(c.Str("%s Case %d:\n%s\n\n"), c.AllocaCStr(testName), c.Int(i+1), json.Print())
+
+		converter.Dispose()
+	}
+}