Writing Code that Writes Code

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WRITING CODE that WRITES CODE STEVE MARSHALL

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But why?

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Code munging Inline code expansion Mixed code generation Partial class generation Tier generation Full domain language

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Code munging Inline code expansion Mixed code generation Partial class generation Tier generation Full domain language

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Source code Code munger Output file

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Code munging Inline code expansion Mixed code generation Partial class generation Tier generation Full domain language

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Source code Inline code expander Output source code Compiler

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Code munging Inline code expansion Mixed code generation Partial class generation Tier generation Full domain language

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Source code Mixed code generator Output source code Compiler

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Code munging Inline code expansion Mixed code generation Partial class generation Tier generation Full domain language

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Definition file Partial class generator Output base class code Compiler Custom derived class code Templates

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Code munging Inline code expansion Mixed code generation Partial class generation Tier generation Full domain language

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Definition file Tier generator Output source code Compiler Templates

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Code munging Inline code expansion Mixed code generation Partial class generation Tier generation Full domain language

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What should I use?

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Let me tell you a story…

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One for the team.

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Respect (and loathe) hand-coding. 1.

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Hand-code first. 2.

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Control your source. 3.

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Consider the generator’s language. 4.

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Integrate the generator into your workflow. 5.

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Include warnings. 6.

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Play nice with others. 7.

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Document well. 8.

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Consider the cultural impact. 9.

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Keep it maintained. 10.

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icanhaz.com/codegen-book icanhaz.com/codegen @stevemarshall [email protected] Stephen Wolfram photo: flickr.com/photos/hybernaut/87907765/