*: add a new flag --old-uast-serialization to serialize UASTs in the old way

Signed-off-by: Manuel Carmona <[email protected]>

Author: mcarmonaa

cmd/gitbase/command/server.go

@@ -56,6 +56,7 @@ type Server struct {
 	DisableGit    bool `long:"no-git" description:"disable the load of git standard repositories."`
 	DisableSiva   bool `long:"no-siva" description:"disable the load of siva files."`
 	Verbose       bool `short:"v" description:"Activates the verbose mode"`
+	OldUast       bool `long:"old-uast-serialization" description:"serialize uast in the old format" env:"GITBASE_UAST_SERIALIZATION"`
 }
 
 type jaegerLogrus struct {
@@ -138,12 +139,17 @@ func (c *Server) Execute(args []string) error {
 		c.engine,
 		gitbase.NewSessionBuilder(c.pool,
 			gitbase.WithSkipGitErrors(c.SkipGitErrors),
+			gitbase.WithOldUASTSerialization(c.OldUast),
 		),
 	)
 	if err != nil {
 		return err
 	}
 
+	if c.OldUast {
+		function.UASTExpressionType = sql.Array(sql.Blob)
+	}
+
 	logrus.Infof("server started and listening on %s:%d", c.Host, c.Port)
 	return s.Start()
 }

session.go

@@ -25,7 +25,8 @@ type Session struct {
 	bblfshEndpoint string
 	bblfshClient   *BblfshClient
 
-	SkipGitErrors bool
+	SkipGitErrors        bool
+	OldUASTSerialization bool
 }
 
 // getSession returns the gitbase session from a context or an error if there
@@ -65,6 +66,13 @@ func WithSkipGitErrors(enabled bool) SessionOption {
 	}
 }
 
+// WithOldUASTSerialization set the way UASTs must be serialized.
+func WithOldUASTSerialization(enabled bool) SessionOption {
+	return func(s *Session) {
+		s.OldUASTSerialization = enabled
+	}
+}
+
 // NewSession creates a new Session. It requires a repository pool and any
 // number of session options can be passed to configure the session.
 func NewSession(pool *RepositoryPool, opts ...SessionOption) *Session {