Adding new folder to hold model compiler examples. Initial content is

two archetypes to be used in the xtUML Learning Series presentation on
customizing a model compiler.

MC_examples/.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>MC_examples</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+	</buildSpec>
+	<natures>
+	</natures>
+</projectDescription>

MC_examples/customizing_mc_ex1.arc

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+.//============================================================================
+.// Custom model compiler extension to export component and port information 
+.// as XML
+.//============================================================================
+<?xml version="1.0" encoding="UTF-8" ?>
+.select any s_sys from instances of S_SYS
+.select many c_cs from instances of C_C
+.for each c_c in c_cs
+  <component name="${c_c.Name}">
+  .select many c_pos related by c_c->C_PO[R4010]
+  .for each c_po in c_pos
+    <port name="${c_po.Name}" />
+  .end for
+  </component>
+.end for
+.emit to file "${s_sys.Name}.xml"
+.//============================================================================
+.// End custom MC extension
+.//============================================================================

MC_examples/customizing_mc_ex2.arc

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+.//============================================================================
+.// Custom model compiler extension to export component, port, and interface
+.// message information as XML
+.//============================================================================
+<?xml version="1.0" encoding="UTF-8" ?>
+.select any s_sys from instances of S_SYS
+.select many c_cs from instances of C_C
+.for each c_c in c_cs
+  <component name="${c_c.Name}">
+  .select many c_pos related by c_c->C_PO[R4010]
+  .for each c_po in c_pos
+    <port name="${c_po.Name}">
+    .select any c_ir related by c_po->C_IR[R4016]
+    .if ( not_empty c_ir )
+      .select one c_i related by c_ir->C_I[R4012]
+      .if ( not_empty c_i )
+        .select many c_eps related by c_i->C_EP[R4003]
+        .if ( not_empty c_eps )
+          .for each c_ep in c_eps
+            .select any c_as related by c_ep->C_AS[R4004]
+            .if ( not_empty c_as )
+      <message name="${c_as.Name}" />
+            .end if
+            .select any c_io related by c_ep->C_IO[R4004]
+            .if ( not_empty c_io )
+      <message name="${c_io.Name}" />
+            .end if
+          .end for
+        .end if
+      .end if
+    .end if
+    </port>
+  .end for
+  </component>
+.end for
+.emit to file "${s_sys.Name}.xml"
+.//============================================================================
+.// End custom MC extension
+.//============================================================================