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TCS/Language Project

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Revision as of 18:14, 26 September 2007 by Frederic.jouault.univ-nantes.fr (Talk | contribs)

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A TCS Language Project is an Eclipse project (typically with the ATL nature), which contains:

  • A KM3 metamodel defining the abstract syntax of the language.
  • A TCS model defining the concrete syntax of the language.
  • Optionally, such a project may also contain:
    • Constraints (e.g., in OCL, as part of an ATL transformation).
    • A compiler (e.g., in ATL, or in ACG).

Creating a Language Project

This section details the steps required to create a language project. Whenever the name of the language appears, we use MyLanguage.

Creating the Directory Structure

  • Create an ATL project:
    • Open: File->New->ATL Project
    • Name the project like your language (e.g., MyLanguage)
  • Create the following folders and files in your project:
    • MyLanguage/ (this is the project we just created)
      • Metamodel/
        • MyLanguage.km3 (you can copy and paste SampleLanguage.km3 and rename it)
      • Samples/
        • <sample programs written in your language, with the corresponding file extension>
      • Syntax/
        • MyLanguage.tcs (you can copy and paste SampleLanguage.tcs and rename it)
    • build.properties (you can copy and paste /SampleLanguage/build.properties and modify it)

Adding the Language Builder

Building a language involves:

  • Compiling its KM3 metamodel to Ecore.
  • Compiling its TCS model into a parser.
  • Optionally compiling its ACG compiler.

Here are the steps to follow to add the Language Builder to the project:

  • Creating the builder:
    • Right-click on your language project (e.g., MyLanguage) and select "Properties".
    • Go to the "Builders" section.
    • Click "New..."
    • Select "Ant Build"
    • Click "OK"
  • Configuring the builder:
    • Set the name of the builder to "MyLanguage Language Builder"
    • In the "Main" tab:
      • Set "Buildfile" to "${workspace_loc:/AMMAScripts/build.dsl.xml}"
      • Set "Base Directory" to "${workspace_loc:/FIACRE}"
    • In the "Targets" tab:
      • Set "During a Clean" to target "clean"
    • In the "Classpath" tab:
      • Add all the jars from the "/AMMAScripts/libs/" folder
    • In the "JRE" tab:
      • Check "Run in the same JRE as the workspace"
    • Click "OK"
  • Set the language builder before any other builder