Stateflow

Parsing Stateflow Diagrams

The parser evaluates the graphical and nongraphical objects in each Stateflow machine against the supported Stateflow notation and the action language syntax. This section describes the Stateflow parser and how its messages appear with the following topics:

• Calling the Stateflow Parser -- Shows you how to call the Stateflow Parser to parse your current diagram at any time.
• Parsing Diagram Example -- Gives you an example of parsing an example Stateflow diagram with a parsing error.

Calling the Stateflow Parser

You call the Stateflow parser in one of the following ways:

• Parse an individual Stateflow diagram in the Stateflow diagram editor by selecting Parse Diagram from the Tools menu.
• Parse a Stateflow machine, that is, all the Stateflow charts in a model, by selecting Parse from the Tools menu in the Stateflow diagram editor.
• When you simulate a model, build a target, or generate code, the Stateflow machine is automatically parsed.

In all cases, a pop-up information window displays when parsing is complete. If the parsing is unsuccessful, a Stateflow diagram editor automatically appears with the highlighted object causing the first parse error. In the information window, each error is displayed with a leading red button icon. You can double-click any error in the information window to bring its source Stateflow diagram to the front with the source object highlighted.

Note    Parsing informational messages are also displayed in the MATLAB Command Window.

Starting the Build

Parsing Diagram Example