December 2017
Intermediate to advanced
468 pages
13h 12m
English
book
Architectural Patterns
by Anupama Murali, Pethuru Raj, Harihara Subramanian J, Pethuru Raj Chelliah
Content preview from Architectural Patterns
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Interpreter
This pattern suggests defining grammar along with an interpreter that uses representations so that the system can interpret any given sentences of a language.
Abstract expression or regular expression declares interpret operation, terminal expressions or literal expressions implements symbols in the grammar, and non-terminal expressions (alternate, sequence, repetition) has nonterminal symbols in the grammar.
Let's look at the benefits:
- It is easy to change and extend the grammar
- Implementing the grammar is easy as well
- Helps introduce new ways to interpret expressions
- Impacts
- Introduces maintenance overhead for complex grammars ...
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