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Annotation of 43BSD/contrib/icon/book/16/lgraph.icn, revision 1.1.1.1

1.1       root        1: procedure lgraph(sgraph)
                      2:    local nodes, ndescr, nlist, a, name, i
                      3:    nodes := table()            # table of nodes
                      4:    sgraph ?
                      5:       while ndescr := tab(many(~';')) do {
                      6:          move(1)
                      7:          ndescr ? {            # process one node
                      8:             a := []            # new list goes in table
                      9:             nodes[tab(upto(':'))] := a
                     10:             move(1)
                     11:                                # add value and names
                     12:             while put(a,tab(many(~','))) do
                     13:                move(1)
                     14:             }
                     15:          }
                     16:    every name := !nodes do     # change names to lists
                     17:       every i := 2 to *name do
                     18:          name[i] := nodes[name[i]]
                     19:    return nodes
                     20: end

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