public static Either <ParseException, Pair <List <IToken>, StatementNode> > Parse(List <IToken> tokens, SymT symT, IScopedTable <IEntityType, string> parentTypeTable)
{
Console.WriteLine("StatementNode");
var maybeAssignment = AssignmentNode.Parse(tokens, parentTypeTable);
if (maybeAssignment.IsRight)
{
tokens = maybeAssignment.RightToList()[0].First;
return(new Pair <List <IToken>, StatementNode>(tokens, new StatementNode(
maybeAssignment.RightToList()[0].Second,
parentTypeTable)));
}
var maybeRoutineCall = RoutineCallNode.Parse(tokens, symT, parentTypeTable);
if (maybeRoutineCall.IsRight)
{
tokens = maybeRoutineCall.RightToList()[0].First;
return(new Pair <List <IToken>, StatementNode>(tokens, new StatementNode(
maybeRoutineCall.RightToList()[0].Second,
parentTypeTable)));
}
var maybeWhileLoop = WhileLoopNode.Parse(tokens, symT, parentTypeTable);
if (maybeWhileLoop.IsRight)
{
tokens = maybeWhileLoop.RightToList()[0].First;
return(new Pair <List <IToken>, StatementNode>(tokens, new StatementNode(
maybeWhileLoop.RightToList()[0].Second,
parentTypeTable)));
}
var maybeForLoop = ForLoopNode.Parse(tokens, symT, parentTypeTable);
if (maybeForLoop.IsRight)
{
tokens = maybeForLoop.RightToList()[0].First;
return(new Pair <List <IToken>, StatementNode>(tokens, new StatementNode(
maybeForLoop.RightToList()[0].Second,
parentTypeTable)));
}
var maybeIfStatement = IfStatementNode.Parse(tokens, symT, parentTypeTable);
if (maybeIfStatement.IsRight)
{
tokens = maybeIfStatement.RightToList()[0].First;
return(new Pair <List <IToken>, StatementNode>(tokens, new StatementNode(
maybeIfStatement.RightToList()[0].Second,
parentTypeTable)));
}
return(NotAStatementException);
}
private StatementNode(AssignmentNode assignment, IScopedTable <IEntityType, string> parentTypeTable)
{
Assignment = assignment;
ParentTypeTable = parentTypeTable;
}