composable-interconnect-implicit-parent.xml

<?xml version="1.0"?>
<!--
  Convert "implicit" parent specification for interconnect tags.

  Convert
    <interconnect><direct><port type='input' ...><port type='output' ...></direct><YYY../></interconnect>
  to
    <interconnect><direct input='...' name='xxx-xxx' output='...'><YYY../></direct></interconnect>

  Convert
    <interconnect><mux><port type='input' ...><port type='input' ...><port type='output' ...></mux><YYY../></interconnect>
  to
    <interconnect><mux input='in1 in2' name='xxx-xxx' output='...'><YYY../></mux></interconnect>

This example below is connected as follows;
     ┌───────────────────────────────────────────────────────────────────┐
     │                                                                   │
     │       ┌────────────┐                                              │
  ia1│──────>│i1          │                                              │
     │       │            │                                              │
     │       │   childa  o│─┬───────────────────────────────────────────>│o0
  ia2│──>│╲  │            │ │                                            │
     │   │├─>│i2          │ │                                            │
  ia3│──>│╱  └────────────┘ │  ┌──────────┐                              │
     │                      ├─>│i childb o│─┬──>│╲                       │
     │                      │  └──────────┘ │   ││   ┌──────────┐        │
     │                      │               │   │├──>│i childc o│──>│╲   │
     │                      ├──────────────────>││   └──────────┘   ││   │
     │                      │               │   │╱                  ││   │
     │                      │               │             ╭────────>│├──>│o1
     │                      │               ╰─────────────╯         ││   │
     │                      │                                       ││   │
     │                      ╰──────────────────────────────────────>│/   │
     │                                                                   │
     └───────────────────────────────────────────────────────────────────┘
  -->
<xml>
 <pb_type name="parent">
  <input name="ia1"/>
  <input name="ia2"/>
  <input name="ia3"/>
  <output name="o0"/>
  <output name="o1"/>
  <pb_type name="childa">
    <input name="i1"/>
    <input name="i2"/>
    <output name="o"/>
  </pb_type>
  <pb_type name="childb">
    <input name="i"/>
    <output name="o"/>
    </pb_type>
    <pb_type name="childc">
    <input name="i"/>
    <output name="o"/>
  </pb_type>
  <interconnect>
    <!-- Direct parent -> child -->
    <direct>
     <port type="input"                name="ia1" />
     <port type="output" from="childa" name="i1"  />
    </direct>
    <!-- Mux parent -> child -->
    <mux name="childa-input-i2">
     <port type="input"                name="ia2" />
     <port type="input"                name="ia3" />
     <port type="output" from="childa" name="i2"  />
    </mux>
    <!-- Direct parent -> child -->
    <direct>
     <port type="input"  from="childa" name="o"   />
     <port type="output"               name="o0"  />
    </direct>
    <!-- Direct child -> child -->
    <direct>
     <port type="input"  from="childa" name="o"   />
     <port type="output" from="childb" name="i"   />
    </direct>
    <!-- Mux child -> child -->
    <mux name="childc-input">
     <port type="input"  from="childa" name="o"   />
     <port type="input"  from="childb" name="o"   />
     <port type="output" from="childc" name="i"   />
    </mux>
    <!-- Mux child -> parent -->
    <mux name="output">
     <port type="input"  from="childa" name="o"   />
     <port type="input"  from="childb" name="o"   />
     <port type="input"  from="childc" name="o"   />
     <port type="output"               name="o1"  />
    </mux>
  </interconnect>
 </pb_type>
</xml>