public void ParseFile([CanBeNull] string[] hLines)
{
if (hLines == null)
{
return;
}
CommandTable.Clear();
CommandList.Clear();
DataTable.Clear();
DataList.Clear();
var currentSection = EFileSection.Undefined;
foreach (var hLine in hLines)
{
var line = hLine;
// Check for comments
var commentIndex = line.IndexOf("@", StringComparison.Ordinal);
if (commentIndex > -1)
{
line = line.Substring(0, commentIndex);
}
commentIndex = line.IndexOf("//", StringComparison.Ordinal);
if (commentIndex > -1)
{
line = line.Substring(0, commentIndex);
}
// Remove leading, ending spaces, tabs
line = line.Trim(' ', '\t');
if (string.IsNullOrEmpty(line))
{
continue;
}
// Check for sections
if (line.StartsWith(".", StringComparison.Ordinal))
{
if (line.StartsWith(".text", StringComparison.Ordinal))
{
currentSection = EFileSection.Text;
continue;
}
if (line.StartsWith(".data", StringComparison.Ordinal))
{
currentSection = EFileSection.Data;
continue;
}
if (line.StartsWith(".global", StringComparison.Ordinal) || line.StartsWith(".globl", StringComparison.Ordinal))
{
var split = line.Split(new [] { ' ', '\t' }, StringSplitOptions.RemoveEmptyEntries);
if (split.Length != 2)
{
throw new ArgumentException();
}
EntryFunction = split[1];
continue;
}
if (line.StartsWith(".align", StringComparison.Ordinal))
{
var split = line.Split(new[] { ' ', '\t' }, StringSplitOptions.RemoveEmptyEntries);
if (split.Length != 2)
{
throw new ArgumentException();
}
ParseAlign(split[1]);
continue;
}
if (line.StartsWith(".type", StringComparison.Ordinal))
{
// TODO: Implement missing member
continue;
}
if (line.StartsWith(".Lfe", StringComparison.Ordinal))
{
// TODO: Implement missing member
continue;
}
if (line.StartsWith(".size", StringComparison.Ordinal))
{
// TODO: Implement missing member
continue;
}
if (line.Equals(".end", StringComparison.Ordinal))
{
// End of file
return;
}
}
switch (currentSection)
{
case EFileSection.Undefined:
break;
case EFileSection.Text:
ParseTextSection(line);
break;
case EFileSection.Data:
ParseDataSection(line);
break;
case EFileSection.Comm:
break;
default:
throw new ArgumentOutOfRangeException();
}
}
}
