static Declaration ParseOperand(Expression exp, Block block, Token arg1, Token arg2)
{
Declaration decl = null;
switch (exp.Tokens[0])
{
case "+":
case "-":
case "*":
case "/":
decl = MathStatement.BuildStatements(block, exp, arg1, arg2);
break;
case StoreToken:
decl = block.CreateTempDeclaration(TypeHelper.GetType(block, arg2));
var assignCopy = AssignmentHelper.ParseSingle(block, decl, arg2);
block.Statements.Add(assignCopy);
var storeStatement = new Store(Datum.Parse(block, arg1),
Datum.Parse(block, Tokenizer.ToToken(decl.Name)));
block.Statements.Add(storeStatement);
break;
case "=":
decl = block.FindDeclaration(arg1);
ValueStatement initialAssign = AssignmentHelper.ParseSingle(block, decl, arg2);
block.Statements.Add(initialAssign);
break;
case "==":
case "<=":
case "<":
case ">":
case ">=":
case "!=":
Token condLHS;
Token condRHS;
Declaration tmpDecl = block.FindDeclaration(arg1);
if (tmpDecl == null)
{
condRHS = arg1;
condLHS = arg2;
}
else
{
condLHS = arg1;
condRHS = arg2;
}
decl = ConditionStatement.BuildStatements(block, exp, condLHS, condRHS);
break;
case "%":
break;
}
return(decl);
}
public static void Parse(Block block, Declaration LValue, List <Token> tokenList)
{
Annotation ann = new Annotation(LValue + " = " + string.Join <Token>(" ", tokenList) + ";");
block.Statements.Add(ann);
Token token = InternalParse(block, new Expression(tokenList));
var finalAssign = AssignmentHelper.ParseSingle(block, LValue, token);
block.Statements.Add(finalAssign);
}
