diff --git a/parser/body.go b/parser/body.go
index a7d77c1..98bf5f3 100644
--- a/parser/body.go
+++ b/parser/body.go
@@ -9,6 +9,13 @@ func (parser *ParsingOperation) parseBody () (err error) {
 
 	switch parser.token.Value().(string) {
 	case "data":
+		var section *DataSection
+		section, err = parser.parseDataSection()
+		if err != nil { return }
+		if parser.tree.dataSections == nil {
+			parser.tree.dataSections = make(map[string] *DataSection)
+		}
+		parser.tree.dataSections[section.name] = section
 	case "type":
 	case "face":
 	case "enum":
diff --git a/parser/data.go b/parser/data.go
index 17f001d..a1348f4 100644
--- a/parser/data.go
+++ b/parser/data.go
@@ -1,6 +1,9 @@
 package parser
 
 // parseData parses a data section
-func (parser *ParsingOperation) parseData () (err error) {
+func (parser *ParsingOperation) parseDataSection () (
+	section *DataSection,
+	err     error,
+) {
 	return
 }
diff --git a/parser/tree.go b/parser/tree.go
index f4c095d..19a6654 100644
--- a/parser/tree.go
+++ b/parser/tree.go
@@ -11,7 +11,7 @@ type SyntaxTree struct {
 	author  string
 
 	requires     []string
-	dataSections []DataSection
+	dataSections map[string] *DataSection
 }
 
 // Identifier represents a chain of arguments separated by a dot.