/// <summary>Gets a variable or type from a VariableContext.</summary>
/// <param name="scope">The scope the variable was called in.</param>
/// <param name="getter">The getter scope.</param>
/// <param name="variableContext">The context of the variable.</param>
/// <param name="selfContained">Wether the variable was not called in an expression tree.</param>
/// <returns>An IExpression created from the context.</returns>
public IExpression GetVariable(Scope scope, Scope getter, Identifier variableContext, bool selfContained)
{
// Get the variable name and range.
string variableName = variableContext.Token.Text;
DocRange variableRange = variableContext.Token.Range;
// Get the variable.
IVariable element = scope.GetVariable(variableName, getter, Script.Diagnostics, variableRange, ResolveInvokeInfo != null);
if (element == null)
{
return(new MissingVariable(variableName));
}
// Additional syntax checking.
var expression = new VariableApply(this).Apply(element, ExpressionIndexArray(getter, variableContext.Index), variableRange);
// Accept the method group.
if (expression is CallMethodGroup methodGroup)
{
methodGroup.Accept();
}
return(expression);
}
/// <summary>Gets a variable or type from a VariableContext.</summary>
/// <param name="scope">The scope the variable was called in.</param>
/// <param name="getter">The getter scope.</param>
/// <param name="variableContext">The context of the variable.</param>
/// <param name="selfContained">Whether the variable was not called in an expression tree.</param>
/// <returns>An IExpression created from the context.</returns>
public IExpression GetVariable(Scope scope, Scope getter, Identifier variableContext)
{
if (!variableContext.Token)
{
return(new MissingElementAction(TranslateInfo));
}
var name = variableContext.Token.Text;
var range = variableContext.Token.Range;
// Get the variable.
var variable = scope.GetAllVariables(name, ResolveInvokeInfo != null).FirstOrDefault();
// Variable does not exist.
if (variable == null)
{
Script.Diagnostics.Error(string.Format("The variable {0} does not exist in the {1}.", name, scope.ErrorName), range);
variable = new MissingVariable(TranslateInfo, name);
}
// Check the access level.
if (!SemanticsHelper.AccessLevelMatches(variable.AccessLevel, variable.Attributes.ContainingType, ThisType))
{
Script.Diagnostics.Error(string.Format("'{0}' is inaccessable due to its access level.", name), range);
}
var apply = new VariableApply(this, scope, getter, variable, variableContext);
apply.Accept();
return(apply.VariableCall);
}