ioptribe.blogg.se - Codesmith generator

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For me, ANTLR-generated code was a nightmare to behold, and Bison/Lex was a little too immortally cryptic for my mere mortal reach.

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I wanted to learn how to do this myself without having to learn regular expressions, so I looked at a few alternatives such as ANTLR, Bison/Lex, and GoldParser. BackgroundĪt first, I was fascinated with how Eric Smith (author of CodeSmith) was able to parse ASP-style text files and convert them into templates. For now, sit tight, and I promise that I will make this current article worth your while. In the next article in this series, we’ll create a simple GUI for running our templates, and we’ll even integrate it into the VS.NET IDE so that we can send the output of the template directly to the code window-but that’s for later. In this first article, I will show you how to use the engine itself. In fact, in its rawest form, it doesn’t even have a GUI at all. Unlike its commercial counterpart, TaHoGen doesn’t come with a fancy GUI out of the box.

#Codesmith generator generator#

NET language of your choice) into a customized text generator which outputs exactly the text that you specify. It parses the text from template files and converts that text into a CodeDom graph which, in turn, is compiled (using the.

Like CodeSmith, TaHoGen is a code generator generator. In addition, both the the parser and the CodeDom compilers are cached, meaning that no single, unique template will be parsed and compiled more than once-making the template build time even faster. The parser backend is written using C++ expression templates, making parsing time extremely fast.

You can even use this property set to pass subtemplates to other templates! This allows you to set a group of properties on a single object once, and then pass that property object around to all of your templates so that they can all read from that property set. For example, you can combine a class generator template with an SQL template to generate both your business classes and database in one pass. Any template can be “chained” together with another template at runtime to form even more complex templates. You can even name your templates and separate them into different namespaces within the same assembly, if you wish. TaHoGen allows you to take multiple template files and compile them into a single assembly.

Multiple Templates, One Compiled Assembly.

String Output (send the results to a target string).

You can send the output of a single template to one or more of the following targets at the same time: You can even use a template to generate another template which, in turn, can generate another template. This allows you to do things such as compile templates within templates, run the template, and then pass that newly compiled template to another template so that it can reuse it again. The template compiler will automatically compile the C# file, and include it in the assembly of the compiled VB.NET template. You can write a template in VB.NET, and include codebehind files written in other languages such as C#. Like CodeSmith, TaHoGen will work with any CodeDom language such as C#, VB.NET, J#, and JScript. The only thing it cannot parse (for legal reasons) is anything specific to Eric Smith’s object model (such as SchemaExplorer and the like).

CodeSmith Template Compatibility: The parser itself can parse almost any CodeSmith template.

TaHoGen is a 100% free, Open Source code generation engine (licensed under the GPL) with the following features:

#Codesmith generator download#

Download the VB.NET and C# examples - 65.9 Kb.

Download the TaHoGen Engine binaries - 70.1 Kb.

Download the TaHoGen Engine source - 157 Kb.