Intent
Provides a definition of a macro language or syntax and parsing into objects in a program.
Where to use & benefits
- Need your own parser generator.
- Translate a specific expression.
- Handle a tree-related information.
Structure
Example
In the demonstration application, the interpreter pattern is implemented partially in interpreting the Command objects to draw the shapes. Refer ShapeGraphicsDrawer class, to see how the commands issues by the shape objects are interpreted and drawn using the graphics objects.