Chris Moesel

Current status of antlr4ts?

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Hello! We have an ANTLR4-based TypeScript project that currently uses the antlr4 4.8 javascript runtime. We're looking to update it to either the 4.9 JavaScript runtime or make the move...

Transitive dependencies on common libraries w/ different versions

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Consider this set of libraries (removed most content for brevity): ``` library A version '1' include B version '1' include X version '1' ``` ``` library B version '1' include...

Inconsistent Casting in Unions

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I've discovered inconsistent translation behavior in CQL-to-ELM when a function that returns a list of `Any` is involved in a `union`. In short: If you have CQL that only does...

Translator (2.3.0) Unions Same Retrieve With Itself

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Given the following CQL: ``` library Example version '1.0.0' using FHIR version '4.0.1' valueset "Opioid Pain Medications": 'https://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113762.1.4.1032.34' define MyRetrieve: [MedicationRequest: "Opioid Pain Medications"] ``` the CQL-to-ELM Translator 2.3.0 produces...

The CQL team has recently updated the CQL tests, including fixing some that expected the wrong answers ([link](https://github.com/cqframework/clinical_quality_language/pull/1346)). Our engine is actually passing a few of the tests with wrong...

Support QI Core negation w/ notDoneValueSet extension

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Asserting that something was _not done_ can be challenging in FHIR. It's relatively easy to say that a specific thing (with a specific code) wasn't done, but harder to say...

Currently, the [DataProvider](https://github.com/cqframework/cql-execution/blob/487797e67d473dffc3966cd3f73ad1fb96e4ddd1/src/types/cql-patient.interfaces.ts) (a.k.a. `PatientSource`) API provides two functions: ```ts export interface DataProvider { currentPatient(): PatientObject | undefined | Promise; nextPatient(): PatientObject | undefined | Promise; } ``` The `PatientObject`,...

Currently, the [TerminologyProvider](https://github.com/cqframework/cql-execution/blob/487797e67d473dffc3966cd3f73ad1fb96e4ddd1/src/types/cql-code-service.interfaces.ts#L26-L32) (a.k.a. `CodeService`) API in cql-execution is quite simple: ```ts export interface TerminologyProvider { findValueSetsByOid: (oid: string) => ValueSet[] | Promise; findValueSet: (oid: string, version?: string) => ValueSet...

See: https://cql.hl7.org/09-b-cqlreference.html#implies

There are a number of `Retrieve` properties listed in [chapter 4, section 11.1](https://cql.hl7.org/04-logicalspecification.html#retrieve) that don't seem to be supported by the CQL-to-ELM translator yet (nor are their CQL constructs well...