private bool isLabel(string _line)
{
//The specification requires label definitions to be
// - All uppercase letters or _
// - The only thing on the line
// - Terminated with a :
//
//This currently does not enforce the first restriction, and will let numbers
//and other symbols in. Perhaps the specification SHOULD allow numbers in
//labels, as well as printable symbols like |, $, etc.
bool result = false;
List <string> tokens = tokenizeLine(_line);
if (tokens.Count == 1) //Labels must be the only thing on that line
{
if (tokens[0][tokens[0].Length - 1] == ':') //Labels must end with a :
{
if (tokens[0] == tokens[0].ToUpper()) //Labels must be all uppercase
{
//This check goes last because it is the most resource intensive.
//See? I do optimize sometimes!
AssemblyTable table = new AssemblyTable();
if (!table.ContainsInstruction(tokens[0])) //Labels cannot be an instruction
{
result = true;
}
}
}
}
return(result);
}
private bool isInstruction(string _line)
{
bool result = false;
List <string> tokens = tokenizeLine(_line);
if (tokens.Count > 0)
{
AssemblyTable table = new AssemblyTable();
if (table.ContainsInstruction(tokens[0]))
{
result = true;
}
}
return(result);
}
private bool isLabel(string _line)
{
//The specification requires label definitions to be
// - All uppercase letters or _
// - The only thing on the line
// - Terminated with a :
//
//This currently does not enforce the first restriction, and will let numbers
//and other symbols in. Perhaps the specification SHOULD allow numbers in
//labels, as well as printable symbols like |, $, etc.
bool result = false;
List<string> tokens = tokenizeLine(_line);
if (tokens.Count == 1) //Labels must be the only thing on that line
{
if (tokens[0][tokens[0].Length - 1] == ':') //Labels must end with a :
{
if (tokens[0] == tokens[0].ToUpper()) //Labels must be all uppercase
{
//This check goes last because it is the most resource intensive.
//See? I do optimize sometimes!
AssemblyTable table = new AssemblyTable();
if (!table.ContainsInstruction(tokens[0])) //Labels cannot be an instruction
{
result = true;
}
}
}
}
return result;
}
private bool isInstruction(string _line)
{
bool result = false;
List<string> tokens = tokenizeLine(_line);
if (tokens.Count > 0)
{
AssemblyTable table = new AssemblyTable();
if (table.ContainsInstruction(tokens[0]))
{
result = true;
}
}
return result;
}