func (this *writer) newNodeStmt(name string) *ast.NodeStmt {
node := this.Nodes.Lookup[name]
id := ast.MakeNodeId(node.Name, "")
this.writtenLocations[node.Name] = true
return &ast.NodeStmt{
id,
ast.PutMap(node.Attrs),
}
}
func (this *writer) newEdgeStmt(edge *Edge) *ast.EdgeStmt {
src := this.newLocation(edge.Src, edge.SrcPort)
dst := this.newLocation(edge.Dst, edge.DstPort)
stmt := &ast.EdgeStmt{
Source: src,
EdgeRHS: ast.EdgeRHS{
&ast.EdgeRH{
ast.EdgeOp(edge.Dir),
dst,
},
},
Attrs: ast.PutMap(edge.Attrs),
}
return stmt
}