1 files changed, 56 insertions, 0 deletions
diff --git a/nexgb/xgbgen/representation.go b/nexgb/xgbgen/representation.go
new file mode 100644
index 0000000..928e219
--- /dev/null
+++ b/nexgb/xgbgen/representation.go
@@ -0,0 +1,56 @@
+package main
+
+type Protocol struct {
+	Name string
+	ExtXName string
+	ExtName string
+	MajorVersion string
+	MinorVersion string
+
+	Imports []*Protocol
+	Types []Type
+	Requests []*Request
+}
+
+// Initialize traverses all structures, looks for 'Translation' type,
+// and looks up the real type in the namespace. It also sets the source
+// name for all relevant fields/structures.
+// This is necessary because we don't traverse the XML in order initially.
+func (p *Protocol) Initialize() {
+	for _, typ := range p.Types {
+		typ.Initialize(p)
+	}
+	for _, req := range p.Requests {
+		req.Initialize(p)
+	}
+}
+
+type Request struct {
+	srcName string
+	xmlName string
+	Opcode int
+	Combine bool
+	Fields []Field
+	Reply *Reply
+}
+
+func (r *Request) Initialize(p *Protocol) {
+	r.srcName = SrcName(r.xmlName)
+	if r.Reply != nil {
+		r.Reply.Initialize(p)
+	}
+	for _, field := range r.Fields {
+		field.Initialize(p)
+	}
+}
+
+type Reply struct {
+	Fields []Field
+}
+
+func (r *Reply) Initialize(p *Protocol) {
+	for _, field := range r.Fields {
+		field.Initialize(p)
+	}
+}
+