Update excellent/types/number.go

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: rowanseymour

excellent/base_test.go

@@ -439,6 +439,10 @@ func TestEvaluationErrors(t *testing.T) {
 		{`@(format_datetime("x"))`, `error evaluating @(format_datetime("x")): error calling format_datetime(...): unable to convert "x" to a datetime`},
 		{`@(format_datetime(3))`, `error evaluating @(format_datetime(3)): error calling format_datetime(...): unable to convert 3 to a datetime`},
 
+		// number range errors
+		{`@(2 ^ 400)`, `error evaluating @(2 ^ 400): number value out of range`},
+		{`@(1234567890123456789012345678901234567)`, `error evaluating @(1234567890123456789012345678901234567): number 1234567890123456789012345678901234567 is out of range`},
+
 		// function call errors
 		{`@(FOO())`, `error evaluating @(FOO()): foo is not a function`},
 		{`@(count(1))`, `error evaluating @(count(1)): error calling count(...): value isn't countable`},

excellent/types/number.go

@@ -45,7 +45,7 @@ func newXNumber(value decimal.Decimal) *XNumber {
 // is outside the range of values that can be persisted
 func NewXNumber(value decimal.Decimal) XValue {
 	if err := CheckDecimalRange(value); err != nil {
-		return NewXErrorf("number value too large")
+		return NewXErrorf("number value out of range")
 	}
 	return newXNumber(value)
 }

excellent/visitor.go

@@ -220,7 +220,7 @@ func (v *visitor) VisitTextLiteral(ctx *gen.TextLiteralContext) any {
 func (v *visitor) VisitNumberLiteral(ctx *gen.NumberLiteralContext) any {
 	num, err := types.NewXNumberFromString(ctx.GetText())
 	if err != nil {
-		return &ErrorLiteral{Err: types.NewXErrorf("invalid number")}
+		return &ErrorLiteral{Err: types.NewXErrorf("number %s is out of range", ctx.GetText())}
 	}
 	return &NumberLiteral{Value: num}
 }