Kukulkan Grammar & Server Language

The XText grammar for Kukulkan and the Server Language for Kukulkan DSL

Kukulkan DSL

Kukulkan DSL allows to describe the domain model in a single file.
Look at the following example:

entity Persona(personas) {
    id: String,
    nombre: String,
    apellido: String
}

entity Libro {
    model: String
    color: String
}

Entity

• Use entity keyword to name an entity. Name should be in Pascal case
• Write in parentheses the name of the database table. Table name should be in snake_case
• Write a list of fields in brackets

Field

• Write the name of field in lowercase followed by a semicolon. Field name should be in camel case
• Write the type of field, these are allowed types:
  • String
  • Integer
  • Long
  • BigDecimal
  • Float
  • Double
  • Boolean
  • Date
  • LocalDate
  • ZonedDateTime
  • Instant
  • Blob
  • AnyBlob
  • ImageBlob

Kukulkan Language Server

The Kukulkan Language Server is used for the VS Code Kukulkan extension for parsing and validating.

Validation

The language server provides some basic validations:

• Entity name should be in Pascal case
• Entity name should be unique in a domain model
• Table name should be in snake case
• Table name should be unique in a domain model
• Field name should be unique inside an entity

Getting Started

Run ./gradlew generateXtext to generates all Xtext artifacts.

Run ./gradlew shadowJar in order to package the Language Server into a jar in mx.infotec.dads.kukulkan.parent/mx.infotec.dads.kukulkan.ide/build/libs

Usage

Import this project into Eclipse IDE. You may want to install the Eclipse Xtext plugin for a better experience.