public static void ParseFunctionReferenceTwoArguments()
{
var expression = "concat('aaa', 'bbb')";
var actual = ArmExpressionParser.Parse(expression);
var expected = new ArmInvocationExpressionAst(
expression: new ArmFunctionReferenceAst(
name: new IdentifierToken("concat")
),
argumentList: new ArmArgumentListAst(
openParen: new OpenParenToken(),
arguments: new List <ArmExpressionAst>()
{
new ArmStringLiteralExpressionAst(
new StringLiteralToken("aaa")
),
new ArmStringLiteralExpressionAst(
new StringLiteralToken("bbb")
)
},
closeParen: new CloseParenToken()
)
);
ParserHelper.AssertAreEqual(expected, actual);
Assert.AreEqual(expression, actual.ToArmText());
}
private static object Evaluate(ArmExpressionAst node)
{
return(node switch
{
ArmInvocationExpressionAst n =>
ArmExpressionEvaluator.Evaluate(n),
ArmNumericLiteralExpressionAst n =>
ArmExpressionEvaluator.Evaluate(n),
ArmStringLiteralExpressionAst n =>
ArmExpressionEvaluator.Evaluate(n),
_ =>
throw new NotImplementedException()
});
