public virtual Type getType(Identifier id)
{
Type type = (Type) this.get_Renamed(id, "type");
if (type == null)
{
throw new Exception("No type found for "+id);
}
return type;
}
public virtual void setType(Identifier id, Type type)
{
this.set_Renamed(id, "type", type);
}
private Node parseProcedureCall(Identifier id, Scanner tokens)
{
ArrayList children = ArrayList.Synchronized(new ArrayList(10));
children.Add(new Node(id));
if (tokens.peek() == PascalTokens.TOPENPAREN)
{
tokens.next();
children.Add(parseExpression(tokens));
while (tokens.peek() == PascalTokens.TCOMMA)
{
tokens.next();
children.Add(parseExpression(tokens));
}
consume(PascalTokens.TCLOSEPAREN, tokens);
}
return new Node(PascalNonterminals.PROCEDURE_CALL, children);
}
private Node parseVariable(Identifier id, Scanner tokens)
{
Node base_Renamed = new Node(PascalNonterminals.VARIABLE_NAME, new Node(id));
bool done = false;
while (!done)
{
Token tok = tokens.peek();
if (tok == PascalTokens.TDOT)
{
//CHECKING IF THIS BLOCK GET EVER ACCESSED
//OTHER WISE REMOVE FIELD_SELECT FROM PASCALNONTERMINALS
tokens.next();
ArrayList children = ArrayList.Synchronized(new ArrayList(10));
children.Add(base_Renamed);
children.Add(getID(tokens));
base_Renamed = new Node(PascalNonterminals.FIELD_SELECT, children);
}
else if (tok == PascalTokens.TOPENBRACKET)
{
tokens.next();
ArrayList children = ArrayList.Synchronized(new ArrayList(10));
children.Add(base_Renamed);
children.Add(parseExpression(tokens));
while (tokens.peek() == PascalTokens.TCOMMA)
{
tokens.next();
children.Add(parseExpression(tokens));
}
consume(PascalTokens.TCLOSEBRACKET, tokens);
base_Renamed = new Node(PascalNonterminals.ARRAY_SELECT, children);
}
else
{
done = true;
}
}
return base_Renamed;
}
private Node parseAssignment(Identifier id, Scanner tokens)
{
ArrayList children = ArrayList.Synchronized(new ArrayList(10));
children.Add(parseVariable(id, tokens));
if (tokens.peek() != PascalTokens.TBECOMES)
return wrongToken(PascalNonterminals.ASS_STAT, tokens.peek());
tokens.next();
children.Add(parseExpression(tokens));
return new Node(PascalNonterminals.ASS_STAT, children);
}
