public VariableElements ParseElements(ActionSet actionSet)
{
IndexReference var;
Element target = null;
Element[] index;
if (Tree != null)
{
// Parse the tree.
ExpressionTreeParseResult treeParseResult = Tree.ParseTree(actionSet, true);
// Get the variable.
var = (IndexReference)treeParseResult.ResultingVariable;
// Get the target.
target = (Element)treeParseResult.Target;
// Get the index.
index = treeParseResult.ResultingIndex;
}
else
{
// Get the variable.
var = (IndexReference)actionSet.IndexAssigner[SetVariable.Calling];
// Get the index.
index = Array.ConvertAll(SetVariable.Index, index => (Element)index.Parse(actionSet));
}
return(new VariableElements(var, target, index));
}
public void Translate(ActionSet actionSet)
{
IGettable var;
Element target = null;
Element[] index;
if (Tree != null)
{
ExpressionTreeParseResult treeParseResult = Tree.ParseTree(actionSet, true, true);
var = treeParseResult.ResultingVariable;
target = (Element)treeParseResult.Target;
index = treeParseResult.ResultingIndex;
}
else
{
var = actionSet.IndexAssigner[SetVariable.Calling];
index = Array.ConvertAll(SetVariable.Index, index => (Element)index.Parse(actionSet));
}
Element value = null;
if (Value != null)
{
value = (Element)Value.Parse(actionSet);
}
Elements.Operation?modifyOperation = null;
switch (Operation)
{
case "=": break;
case "^=": modifyOperation = Elements.Operation.RaiseToPower; break;
case "*=": modifyOperation = Elements.Operation.Multiply; break;
case "/=": modifyOperation = Elements.Operation.Divide; break;
case "%=": modifyOperation = Elements.Operation.Modulo; break;
case "+=": modifyOperation = Elements.Operation.Add; break;
case "-=": modifyOperation = Elements.Operation.Subtract; break;
case "++": value = 1; modifyOperation = Elements.Operation.Add; break;
case "--": value = 1; modifyOperation = Elements.Operation.Subtract; break;
default: throw new Exception($"Unknown operation {Operation}.");
}
if (modifyOperation == null)
{
actionSet.AddAction(((IndexReference)var).SetVariable(value, target, index));
}
else
{
actionSet.AddAction(((IndexReference)var).ModifyVariable((Elements.Operation)modifyOperation, value, target, index));
}
}
