Method planCallConditional

interpreter/planner.go:464–488

planCallConditional generates a conditional / ternary (c ? t : f) Interpretable.

(expr ast.Expr, args []InterpretableV2)

// planCallConditional generates a conditional / ternary (c ? t : f) Interpretable.
func (p *planBuilder) planCallConditional(expr ast.Expr, args []InterpretableV2) (InterpretableV2, error) {
	cond := args[0]
	t := args[1]
	var tAttr Attribute
	truthyAttr, isTruthyAttr := t.(InterpretableAttribute)
	if isTruthyAttr {
		tAttr = truthyAttr.Attr()
	} else {
		tAttr = p.attrFactory.RelativeAttribute(t.ID(), t)
	}

	f := args[2]
	var fAttr Attribute
	falsyAttr, isFalsyAttr := f.(InterpretableAttribute)
	if isFalsyAttr {
		fAttr = falsyAttr.Attr()
	} else {
		fAttr = p.attrFactory.RelativeAttribute(f.ID(), f)
	}

	return &evalAttr{
		adapter: p.adapter,
		attr:    p.attrFactory.ConditionalAttribute(expr.ID(), cond, tAttr, fAttr),
	}, nil
}

// planCallIndex either extends an attribute with the argument to the index operation, or creates
// a relative attribute based on the return of a function call or operation.