By Nick Harrison

Learn how Roslyn's new code new release capability will allow you to write software program that's extra concise, runs quicker, and is less complicated to take care of. you are going to examine from real-world enterprise applications to create higher software program by means of letting the pc write its personal code in keeping with your enterprise good judgment already outlined in look up tables.

Code iteration with Rosyln is the 1st e-book to hide this new capability.  you are going to find out how those suggestions can be used to simplify structures integration in order that if one approach already defines enterprise good judgment via look up tables, you could combine a brand new procedure and percentage enterprise good judgment via permitting the recent process to jot down its personal enterprise common sense in accordance with already latest table-based enterprise logic.

One of the various advantages you will find is that Roslyn makes use of an cutting edge method of compiler layout, beginning up the internal workings of the compiler approach. You will learn tips on how to see the syntax tree that Roslyn is development because it compiles your code. Additionally, you will research to feed it your individual syntax tree that you create at the fly.

What you will Learn
  • Structure good judgment to be kept in database design
  • Build advanced conditional good judgment in line with look up facts within the database
  • Compile code that you just generate programmatically
  • Discover generated code and run it dynamically to enforce new company logic
  • Debug difficulties in generated code
  • Deploy and entry generated code

Who This publication Is For
Back finish builders in very dynamic fast moving enterprise environments.   builders thinking about integrating various platforms throughout an firm must also locate this knowledge useful.

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Additional resources for Code Generation with Roslyn

Sample text

ToString()); Here, you search for the first ClassDeclarationSyntax, which will be the class that you just created. You should call the NormalizeWhiteSpace function on the ClassDeclarationSyntax before printing it so that the output will be nicely formatted for readability. At this point, the generated class will look like what you see in Listing 4-22. Listing 4-22. Current Version of the Generated Class public class GreetingBusinessRule { } Nothing too impressive yet, but you are just getting started.

Once you built a code generator with the CodeDom, you could generate the code in any DotNet language, but few people actually had a need to target multiple languages, and this feature was the source of many of CodeDom's limitations. Building a code generator would be so much easier if we could start with sample code and get the CodeDom code needed to get the code you started with. We could then easily tweak it from there to get what we needed. Unfortunately this was never possible. So every Code Generator had to be built virtually from scratch.

Binding and flow analysis. API exposes the result of the compiler doing the semantic analysis of the code and can be helpful in understanding the inner workings of the code logic and dependencies. • Emit API exposes the error messages if there are any, as well as the IL created for the assembly. This opens up a lot of possibilities such as defining domain specific error messages, automating common refactors, flagging identified anti-patterns, and generating code. Code generation is what we are most interested in.

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