3.1.2 MDL Files

An MDL input deck consists of a sequence of any number of the following syntactical entities:

• comments as described in Section 3.1.3
• #include statements as described in Section 3.1.5
• MDL commands which are processed ``in place'' before the parsing process of the input deck continues
  • definitions of global Parameters as described in Section 3.1.7.1
  • MDL commands for immediately instantiating, and evaluating MDL classes described in Section 3.7
  • MDL commands to compile and dynamically load MDL extension libraries with MDL classes. (Section 3.1.6)
  • MDL prefix definitions as described in Section 3.6
• MDL definitions which do not come to effect until an according MDL class instance is requested by the application or a subsequent MDL command
  • MDL class definitions as described in Section 3.2
  • default value definitions as described in Section 3.4
  • instance definitions as described in Section 3.3
  • linkage definitions for model instances (Section 3.5)