The dftool provides functionality to draw, edit, and execute dataflow diagrams (DFDs). It also provides functionality to translate a DFD to and from its textual representation in a formal modeling and specification language (FMSL).

Following an overview of the dftool user interface, details of tool usage are presented in the following scenarios:

• drawing and editing DFD nodes
• drawing and editing DFD edges
• defining hierarchical DFD levels
• data stores and user-supplied data
• graphical annotations to the DFD
• editing node and edge properties
• FMSL source text for nodes and edges
• validation of DFDs
• execution of DFDs
• debugging DFDs
• viewing details
• formating details
• tool options
• file-related commands
• edit commands
• help
  
  
  
  

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