public override void ExitExpectStatement([NotNull] SBP.ExpectStatementContext context)
{
var isAssert = (context.children[0].GetText() == "assert");
var stack = m_expressionData.PopStackLevel();
var expression = stack.Pop();
expression = this.ResolveForGetOperation(expression);
string expressionText = context.GetChild(context.ChildCount - 2).GetChild(1).GetText();
string title = String.Empty;
if (context.ChildCount > 3)
{
title = context.GetChild(1).GetText();
title = title.Substring(1, title.Length - 2); // Strip quotes
}
//if (expression.ExpressionCode.NodeType == ExpressionType.Equal ||
// expression.ExpressionCode.NodeType == ExpressionType.NotEqual)
//{
// throw new NotImplementedException();
//}
if (!(expression.ExpressionCode.Type == typeof(bool)))
{
m_errors.SymanticError(context.Start.Line, context.Start.Column, false, "Expression for 'expect' statement is not boolean.");
}
else
{
LabelTarget returnLabel = Expression.Label(typeof(bool));
var contextParameter = Expression.Parameter(typeof(IScriptCallContext), "context");
var actualValueParameter = Expression.Parameter(typeof(string).MakeByRefType(), "actualValue");
// delegate bool ExpectStatementEvaluationDelegate(IScriptCallContext context, out string actualValue);
var evaluationDelegate = Expression.Lambda <ExpectStatementEvaluationDelegate>(
Expression.Block(
Expression.Condition(
expression.ExpressionCode,
Expression.Block(
Expression.Assign(actualValueParameter, Expression.Constant("<TRUE>")),
Expression.Label(returnLabel, Expression.Constant(true))),
Expression.Block(
Expression.Assign(actualValueParameter, Expression.Constant("<FALSE>")),
Expression.Label(returnLabel, Expression.Constant(false))))),
contextParameter,
actualValueParameter);
var expectCall = Expression.Call(
s_ExpectStatement,
m_currentProcedure.ContextReferenceInternal,
evaluationDelegate,
isAssert ? Expression.Constant(Verdict.Error) : Expression.Constant(Verdict.Fail),
Expression.Constant(title),
Expression.Constant(expressionText));
var conditionalReturn = Expression.Condition(
expectCall,
Expression.Return(m_currentProcedure.ReturnLabel, Expression.Default(m_currentProcedure.ReturnType.Type)),
Expression.Empty());
m_scopeStack.Peek().AddStatementCode(conditionalReturn);
}
}
public override void EnterExpectStatement([NotNull] SBP.ExpectStatementContext context)
{
this.AddEnterStatement(context);
m_expressionData.PushStackLevel("ExpectStatement");
//m_awaitsExpectExpression = true;
}
