public AstValue Evaluate(string codeText)
{
var expr = GetExpression(codeText);
if (expr.IsNullOrInvalid())
{
return(null);
}
var progressTitle = CompileProgressTitle("Expression");
try
{
var value =
GMacExpressionEvaluator.EvaluateExpression(
RefResContext.MainScope,
expr.AssociatedExpression
);
this.ReportNormal(progressTitle, value.ToString(), ProgressEventArgsResult.Success);
return(value.ToAstValue());
}
catch (Exception e)
{
this.ReportError(progressTitle, e);
return(null);
}
}
/// <summary>
/// Generate a constant defined inside a frame
/// </summary>
/// <param name="frame"></param>
/// <param name="constantName"></param>
/// <returns></returns>
private GMacConstant Create_Frame_Constant(GMacFrame frame, string constantName)
{
Context.PushState(frame.ChildSymbolScope);
if (frame.CanDefineChildSymbol(constantName) == false)
{
CompilationLog.RaiseGeneratorError <int>("Symbol name already used", RootParseNode);
}
var constantExpr = GMacExpressionGenerator.Translate(Context, RootParseNode.ChildNodes[1]);
var constantValue = GMacExpressionEvaluator.EvaluateExpression(Context.ActiveParentScope, constantExpr);
Context.PopState();
return(frame.DefineFrameConstant(constantName, constantValue));
}
//public override void ResetOnAcquire()
//{
// base.ResetOnAcquire();
// _generatedConstant = null;
//}
/// <summary>
/// Generate a constant defined inside a namespace
/// </summary>
/// <param name="nameSpace"></param>
/// <param name="constantName"></param>
/// <returns></returns>
private GMacConstant Create_Namespace_Constant(GMacNamespace nameSpace, string constantName)
{
if (GMacCompilerFeatures.CanDefineNamespaceConstants == false)
{
CompilationLog.RaiseGeneratorError <int>("Can't define a constant inside a namespace", RootParseNode);
}
Context.PushState(nameSpace.ChildSymbolScope);
if (nameSpace.CanDefineChildSymbol(constantName) == false)
{
CompilationLog.RaiseGeneratorError <int>("Symbol name already used", RootParseNode);
}
var constantExpr = GMacExpressionGenerator.Translate(Context, RootParseNode.ChildNodes[1]);
var constantValue = GMacExpressionEvaluator.EvaluateExpression(Context.ActiveParentScope, constantExpr);
Context.PopState();
return(nameSpace.DefineNamespaceConstant(constantName, constantValue));
}
