SNOMED CT Expression Constraint Language Parser

An Open Source Java library for parsing ECL, a SNOMED CT domain specific language.

ANTLR4 Grammar

The official SNOMED International ABNF syntax definition for ECL has been converted to ANTLR4 in order to generate tooling support.

Capabilities

Validate the syntax of ECL
Convert valid ECL into Java objects for further processing
- The object factory can be extended in order to have the ECL Java objects instantiated using your own classes.

Example

For code examples see unit tests.