public static int RefToOffset(List <Binding> bs, GPLCSource subBlock, int mode, List <string> errorLog)
{
int n;
for (n = 0; n <= bs.Count; n++)
{
if (n == bs.Count && mode == 0)
{
errorLog.Add("\n\nError at line " + Convert.ToString(subBlock.line) + " column " + Convert.ToString(subBlock.column) + " (in code block). " + subBlock.content + " is an undeclared reference argument.");
}
else if (n == bs.Count && mode == 1)
{
errorLog.Add("\n\nError at line " + Convert.ToString(subBlock.line) + " column " + Convert.ToString(subBlock.column) + " (in code block). " + subBlock.content + " is an undeclared reference argument.");
}
else if (n == bs.Count && mode == 2)
{
errorLog.Add("\n\nError at line " + Convert.ToString(subBlock.line) + " column " + Convert.ToString(subBlock.column) + " (in map structure data). " + subBlock.content + " is an undeclared reference argument.");
}
else if (bs[n].symbol == subBlock.content)
{
if (mode == 0)
{
return(bs[n].readIndex);
}
else
{
return(bs[n].writeIndex);
}
}
else
{
}
}
return(0);
}
public static int ReadLiteral(GPLCSource subBlock, List <string> errorLog, int mode)
{
string errorDetail;
try
{
return(Convert.ToInt32(subBlock.content));
}
catch (FormatException)
{
errorDetail = "\n\nError at line " + Convert.ToString(subBlock.line) + " column " + Convert.ToString(subBlock.column);
if (mode == 0)
{
errorDetail = errorDetail + " (in value block). The second term in a value initialisation must be an integer. For details of how non - integer arguments are handled see the Op - code arguments section of the GPLC specification.";
}
else if (mode == 1)
{
errorDetail = errorDetail + " (in code block). This opcode argument must be a literal integer.";
}
else
{
errorDetail = errorDetail + " (in map structure data). The second term in a value patch must be an integer.";
}
errorLog.Add(errorDetail);
}
return(0);
}
private static GPLCSource BuildSubBlock(string sourceIn, int i, int l, int c)
{
List <char> content = new List <char>();
GPLCSource subBlock = new GPLCSource();
for ( ; i < sourceIn.Length; i++)
{
if (sourceIn[i] == ' ' || (sourceIn[i] == '\r' && sourceIn[i + 1] == '\n'))
{
break;
}
else
{
content.Add(sourceIn[i]);
}
}
subBlock.content = string.Join("", content);
subBlock.line = l + 1;
subBlock.column = c + 1;
return(subBlock);
}
