private EXEASTNode ConstructControlCommandAST(String Command)
{
throw new NotImplementedException();
EXEASTNode AST = null;
if (!IsControlCommand(Command))
{
return(AST);
}
String SanitizedCommand = ParseUtil.SqueezeWhiteSpace(Command);
String[] CommandTokens = SanitizedCommand.Split(' ');
if (CommandTokens[0] == "continue" || CommandTokens[0] == "break")
{
//AST = new EXEASTNodeLeaf(CommandTokens[0], false, false, false);
}
else if (CommandTokens[0] == "return")
{
EXEASTNodeComposite TempAST = new EXEASTNodeComposite(CommandTokens[0]);
TempAST.AddOperand(ConstructAST(CommandTokens[1]));
}
return(AST);
}
private EXEASTNodeComposite ConstructAssignmentCommandAST(String Command)
{
EXEASTNodeComposite AST = null;
if (!IsAssignment(Command))
{
return(AST);
}
String SanitizedCommand = ParseUtil.SqueezeWhiteSpace(Command);
// Console.WriteLine("ConstrAssign:" + SanitizedCommand + "EOL");
int SplitIndex = SanitizedCommand.IndexOf('=');
String Storage = SanitizedCommand.Substring(0, SplitIndex);
String Value = SanitizedCommand.Substring(SplitIndex + 1);
// Console.WriteLine("Assigning " + Value + " to " + Storage);
/*String[] CommandTokens = SanitizedCommand.Split('=');
*
*
* AST = new EXEASTNodeComposite("=");
* AST.AddOperand(ConstructAST(CommandTokens[0]));
* AST.AddOperand(ConstructAST(String.Join("", CommandTokens.Skip(2).ToArray())));*/
AST = new EXEASTNodeComposite("=");
AST.AddOperand(ConstructAST(Storage));
AST.AddOperand(ConstructAST(Value));
// Console.WriteLine("Assigned");
return(AST);
}
void Start()
{
EXEASTNodeComposite C = new EXEASTNodeComposite(
"+",
new EXEASTNode[]
{
new EXEASTNodeLeaf("6"),
new EXEASTNodeComposite
(
"-",
new EXEASTNode[]
{
new EXEASTNodeLeaf("1"),
new EXEASTNodeLeaf("2")
}
)
}
);
Debug.Log(C.ToCode());
//Console.ReadLine();
}
public EXEASTNode ConstructExprASTAlt(String Expression)
{
//Console.WriteLine("ConsASTAlt:" + Expression + "EOL");
String ModifiedExpression = ParseUtil.SqueezeWhiteSpace(Expression);
(String, int)TopLevelOperator = IdentifyFirstTopLevelOperator(ModifiedExpression);
Boolean ExprContainsOperator = ContainsOperator(ModifiedExpression);
while (TopLevelOperator.Item2 == -1 && ExprContainsOperator)
{
ModifiedExpression = ModifiedExpression.Substring(1, ModifiedExpression.Length - 2);
if (ModifiedExpression.Length == 0)
{
break;
}
TopLevelOperator = IdentifyFirstTopLevelOperator(ModifiedExpression);
ExprContainsOperator = ContainsOperator(ModifiedExpression);
}
//Console.WriteLine("ConsASTAlt,unbracketed:" + ModifiedExpression + "EOL");
EXEASTNodeComposite AST = new EXEASTNodeComposite(TopLevelOperator.Item1);
if (TopLevelOperator.Item2 != 0)
{
AST.AddOperand(ConstructAST(ModifiedExpression.Substring(0, TopLevelOperator.Item2)));
}
AST.AddOperand(ConstructAST(ModifiedExpression.Substring(
TopLevelOperator.Item2 + TopLevelOperator.Item1.Length
)));
return(AST);
}
