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Static check the parameters for the defineVariable function.

This commit is contained in:
Brian Postlethwaite 2024-04-12 12:22:28 +10:00
parent 5d612c78b2
commit d65f2cc47d
1 changed files with 19 additions and 0 deletions
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19
org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/fhirpath/FHIRPathEngine.java
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@ -3559,6 +3559,25 @@ public class FHIRPathEngine {
checkParamTypes(exp, exp.getFunction().toCode(), paramTypes, new TypeDetails(CollectionStatus.SINGLETON, TypeDetails.FP_String));
return focus;
}
case DefineVariable : {
checkParamTypes(exp, exp.getFunction().toCode(), paramTypes, new TypeDetails(CollectionStatus.UNORDERED, TypeDetails.FP_String));
// set the type of the variable
// Actually evaluate the value of the first parameter (to get the name of the variable if possible)
// and if have that, set it into the context
ExpressionNode p = exp.getParameters().get(0);
if (p.getKind() == Kind.Constant && p.getConstant() != null) {
String varName = exp.getParameters().get(0).getConstant().primitiveValue();
if (varName != null) {
if (paramTypes.size() > 1)
context.setDefinedVariable(varName, paramTypes.get(1));
else
context.setDefinedVariable(varName, focus);
}
} else {
// this variable is not a constant, so we can't analyze what name it could have
}
return focus;
}
case Check : {
checkParamTypes(exp, exp.getFunction().toCode(), paramTypes, new TypeDetails(CollectionStatus.SINGLETON, TypeDetails.FP_String));
return focus;