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Groovy for Domain-Specific Languages, Second Edition

You're reading from  Groovy for Domain-Specific Languages, Second Edition

Product type Book
Published in Sep 2015
Publisher
ISBN-13 9781849695404
Pages 386 pages
Edition 1st Edition
Languages
Author (1):
Fergal Dearle Fergal Dearle
Profile icon Fergal Dearle

Table of Contents (20) Chapters

Groovy for Domain-specific Languages Second Edition
Credits
About the Author
Acknowledgments
About the Reviewers
www.PacktPub.com
Preface
1. Introduction to DSLs and Groovy 2. Groovy Quick Start 3. Essential Groovy DSLs 4. The Groovy Language 5. Groovy Closures 6. Example DSL – GeeTwitter 7. Power Groovy DSL Features 8. AST Transformations 9. Existing Groovy DSLs 10. Building a Builder 11. Implementing a Rules DSL 12. Integrating It All Index

How builders work


Earlier, when we looked at the MarkupBuilder code, the unfamiliar syntax must have seemed strange. Now that we have an understanding of how the MOP and pretended methods work, let's take a quick look again at some builder code and see if we can figure out what might be happening. MarkupBuilder is derived from the BuilderSupport class. When describing how MarkupBuilder works, I won't make a distinction between BuilderSupport and MarkupBuilder. Most of the mechanisms described here are in fact implemented by BuilderSupport and are shared with other Builder classes:

def customers = builder.customers {
    customer(id:1001) {
        name(firstName:"Fred",surname:"Flintstone")
        address(street:"1 Rock Road",city:"Bedrock") 
    }
    customer(id:1002) {
        name(firstName:"Barney",surname:"Rubble")
        address(street:"2 Rock Road",city:"Bedrock") 
    }
}

No matter how far you look in the documentation for MarkupBuilder, you won't find anything about it having a...

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