private void ProcessVariable(TreeFunctional tree, ref int i, ref Token currentToken, bool withAssign = true)
{
Token nextToken = GetNextToken(ref i, tree);
if (nextToken.type == TokenType.ASSIGN || !withAssign)
{
if (withAssign)
{
nextToken = GetNextToken(ref i, tree);
}
var type = nextToken.type;
if (type == TokenType.FUNCTION)
{
nextToken = ProcessFunction(tree, ref i, ref nextToken);
if (nextToken == null)
{
throw new Exception("Expected return value in function, Line:" + i);
}
(currentToken as TokenVariable).data = (nextToken as TokenVariable).data;
(currentToken as TokenVariable).varType = (nextToken as TokenVariable).varType;
nextToken = GetNextToken(ref i, tree);
type = nextToken.type;
}
if (type == TokenType.NUMERIC_CONST || type == TokenType.ARITHMETIC_BRACKET_OPEN ||
(type == TokenType.VARIABLE && (nextToken as TokenVariable).varType != VariableType.STRING))
{
ArichmetichTree arTree = new ArichmetichTree(currentToken as TokenVariable);
tree.next = arTree;
int numBracket = nextToken.type == TokenType.ARITHMETIC_BRACKET_OPEN ? 1 : 0;
while (nextToken.type != TokenType.END_OP && nextToken.type != TokenType.COMA && (nextToken.type != TokenType.ARITHMETIC_BRACKET_CLOSE || numBracket == 0))
{
arTree.PutToken(nextToken);
nextToken = GetNextToken(ref i, tree);
switch (nextToken.type)
{
case TokenType.ARITHMETIC_BRACKET_OPEN:
numBracket++;
break;
case TokenType.ARITHMETIC_BRACKET_CLOSE:
numBracket--;
break;
case TokenType.FUNCTION:
nextToken = ProcessFunction(tree, ref i, ref nextToken);
if (nextToken == null)
{
throw new Exception("Expected return value in function, Line:" + i);
}
break;
}
}
}
else
if (type == TokenType.VARIABLE && (type == TokenType.VARIABLE && (nextToken as TokenVariable).varType != VariableType.NUMERIC))
{
StringTree strTree = new StringTree(currentToken as TokenVariable);
tree.next = strTree;
while (nextToken.type != TokenType.END_OP && nextToken.type != TokenType.COMA && nextToken.type != TokenType.ARITHMETIC_BRACKET_CLOSE)
{
strTree.AddToken(nextToken as TokenVariable);
nextToken = GetNextToken(ref i, tree);
if (nextToken.type == TokenType.END_OP || nextToken.type == TokenType.ARITHMETIC_BRACKET_CLOSE)
{
break;
}
if (nextToken.type != TokenType.PLUS)
{
throw new Exception("Expect \'+\' in line:" + i.ToString());
}
nextToken = GetNextToken(ref i, tree);
if (nextToken.type == TokenType.FUNCTION)
{
nextToken = ProcessFunction(tree, ref i, ref nextToken);
if (nextToken == null)
{
throw new Exception("Expected return value in function, Line:" + i);
}
}
}
}
else
if (type == TokenType.END_OP)
{
return;
}
else
{
throw new Exception("Somethin bad in Process");
}
}
}