public ExpressionTree(ParseInfo parseInfo, Scope scope, DeltinScriptParser.E_expr_treeContext exprContext, bool usedAsValue)
{
ExprContextTree = Flatten(parseInfo.Script, exprContext);
// Setup
for (int i = 0; i < ExprContextTree.Length; i++)
{
ExprContextTree[i].Setup(new TreeContextParseInfo()
{
ParseInfo = i == 0 ? parseInfo : parseInfo.SetSourceExpression(ExprContextTree[i - 1]),
Getter = scope,
Scope = i == 0 ? scope : ExprContextTree[i - 1].GetScope() ?? new Scope(),
Parent = i == 0 ? null : ExprContextTree[i - 1],
UsedAsExpression = usedAsValue || i < ExprContextTree.Length - 1,
IsLast = i == ExprContextTree.Length - 1
});
}
// Get expressions
Tree = new IExpression[ExprContextTree.Length];
IExpression current = ExprContextTree[0].GetExpression();
Tree[0] = current;
if (current != null)
{
for (int i = 1; i < ExprContextTree.Length; i++)
{
current = ExprContextTree[i].GetExpression();
Tree[i] = current;
if (current == null)
{
Completed = false;
break;
}
}
}
else
{
Completed = false;
}
if (Completed)
{
Result = Tree[Tree.Length - 1];
}
// Get the completion items for each expression in the path.
GetCompletion(parseInfo.Script, scope);
}