public override TextSpan UncommentLines(TextSpan span, string lineComment)
{
// Remove line comments
int clen = lineComment.Length;
var editMgr = new EditArray(this, null, true, "UncommentLines");
for (int line = span.iStartLine; line <= span.iEndLine; line++)
{
int i = this.ScanToNonWhitespaceChar(line);
string text = base.GetLine(line);
if ((i + clen) <= text.Length && text.Substring(i, clen) == lineComment)
{
var es = new EditSpan(new TextSpan()
{
iEndLine = line,
iStartLine = line,
iStartIndex = i,
iEndIndex = i + clen
}, "");
editMgr.Add(es); // remove line comment.
if (line == span.iStartLine && span.iStartIndex != 0)
{
span.iStartIndex = i;
}
}
}
editMgr.ApplyEdits();
span.iStartIndex = 0;
return(span);
}
/*
* public class X86TextSpan
* {
* public X86TextSpan(int start, int end)
* {
* Start = start;
* End = end;
* }
*
* public int Start { get; set; }
* public int End { get; set; }
* }
*
*
* public class X86Instruction : X86TextSpan
* {
* public X86Instruction(int start, int end, string name, AsmHighlighterToken type) : base(start, end)
* {
* Name = name;
* Type = type;
* }
*
* public string Name { get; set; }
* public AsmHighlighterToken Type { get; set; }
* }
*
* public class X86Code
* {
* public X86Instruction Instruction { get; set; }
*
* }
*
* public X86Code Parse(Scanner lexer, string codeToParse)
* {
* lexer.SetSource(codeToParse, 0);
* int state = 0;
* int start, end;
*
* AsmHighlighterToken token = (AsmHighlighterToken)lexer.GetNext(ref state, out start, out end);
* List<EditSpan> changes = new List<EditSpan>();
* while (token != AsmHighlighterToken.EOF)
* {
* bool isToStrip = false;
* string stripReplace = "";
* string tokenStr = codeToParse.Substring(start, end - start + 1).ToLower();
* switch (token)
* {
* case AsmHighlighterToken.INSTRUCTION:
* if (tokenStr == "call" || tokenStr.StartsWith("j"))
* {
* string restOfLine = codeToParse.Substring(end + 1, codeToParse.Length - (end + 1)).Trim();
* // Default call|jmp dword
* if (!restOfLine.StartsWith("dword") && !restOfLine.StartsWith("short"))
* {
* isToStrip = true;
* stripReplace = tokenStr + " dword";
* }
* }
* break;
* case AsmHighlighterToken.LEFT_SQUARE_BRACKET:
*
*
* break;
* case AsmHighlighterToken.RIGHT_SQUARE_BRACKET:
*
*
* break;
* case AsmHighlighterToken.REGISTER:
* if (tokenStr.StartsWith("st("))
* {
* tokenStr = tokenStr.Replace("(", "");
* tokenStr = tokenStr.Replace(")", "");
* isToStrip = true;
* stripReplace = tokenStr;
* }
* break;
* case AsmHighlighterToken.DIRECTIVE:
* // strip register
* if (tokenStr == "ptr")
* {
* isToStrip = true;
* stripReplace = "";
* }
* break;
*
* case AsmHighlighterToken.IDENTIFIER:
* // Convert all identifiers to 0 in order to be able to compile the code
* isToStrip = true;
* stripReplace = "125125";
* break;
* }
* if (isToStrip)
* {
* TextSpan editTextSpan = new TextSpan();
* editTextSpan.iStartLine = 0;
* editTextSpan.iEndLine = 0;
* editTextSpan.iStartIndex = start;
* editTextSpan.iEndIndex = end + 1;
*
* changes.Add(new EditSpan(editTextSpan, stripReplace));
* }
* token = (AsmHighlighterToken)lexer.GetNext(ref state, out start, out end);
* }
* return null;
* }
*/
public static string ConvertToFasm(Scanner lexer, string codeToFormat, Dictionary <string, string> defines)
{
lexer.SetSource(codeToFormat, 0);
int state = 0;
int start, end;
bool isInBracket = false;
int countRegisterInBracket = 0;
AsmHighlighterToken token = (AsmHighlighterToken)lexer.GetNext(ref state, out start, out end);
List <EditSpan> changes = new List <EditSpan>();
while (token != AsmHighlighterToken.EOF)
{
bool isToStrip = false;
string stripReplace = "";
string tokenStr = codeToFormat.Substring(start, end - start + 1).ToLower();
switch (token)
{
case AsmHighlighterToken.INSTRUCTION:
if (tokenStr == "call" || tokenStr.StartsWith("j"))
{
string restOfLine = codeToFormat.Substring(end + 1, codeToFormat.Length - (end + 1)).Trim();
// Set default call|jxx to dword
if (!restOfLine.StartsWith("dword") && !restOfLine.StartsWith("short") && !restOfLine.StartsWith("near") && !restOfLine.StartsWith("far"))
{
isToStrip = true;
stripReplace = tokenStr + " dword";
}
}
break;
case AsmHighlighterToken.LEFT_SQUARE_BRACKET:
isInBracket = true;
break;
case AsmHighlighterToken.RIGHT_SQUARE_BRACKET:
isInBracket = false;
countRegisterInBracket = 0;
break;
case AsmHighlighterToken.REGISTER:
case AsmHighlighterToken.REGISTER_FPU:
case AsmHighlighterToken.REGISTER_MMXSSE:
if (isInBracket)
{
countRegisterInBracket++;
}
// Convert st(#) register to st#
if (token == AsmHighlighterToken.REGISTER_FPU)
{
tokenStr = tokenStr.Replace("(", "");
tokenStr = tokenStr.Replace(")", "");
isToStrip = true;
stripReplace = tokenStr;
}
break;
case AsmHighlighterToken.DIRECTIVE:
// strip register
if (tokenStr == "ptr")
{
isToStrip = true;
stripReplace = "";
}
break;
case AsmHighlighterToken.IDENTIFIER:
isToStrip = true;
stripReplace = (defines.ContainsKey(tokenStr)) ? defines[tokenStr] : "4";
if (isInBracket)
{
if ((lexer.AsmHighlighterTokenProvider.GetTokenFromIdentifier(stripReplace) & AsmHighlighterToken.IS_REGISTER) != 0)
{
countRegisterInBracket++;
}
else if (stripReplace == "4")
{
// No register before 1st identifier
if (countRegisterInBracket == 0)
{
// Fake dword adress if we have mov [IDENTIFIER + ....]
stripReplace = "123123";
}
}
}
break;
}
if (isToStrip)
{
TextSpan editTextSpan = new TextSpan();
editTextSpan.iStartLine = 0;
editTextSpan.iEndLine = 0;
editTextSpan.iStartIndex = start;
editTextSpan.iEndIndex = end + 1;
changes.Add(new EditSpan(editTextSpan, stripReplace));
}
token = (AsmHighlighterToken)lexer.GetNext(ref state, out start, out end);
}
for (int i = changes.Count - 1; i >= 0; i--)
{
EditSpan editSpan = changes[i];
codeToFormat = codeToFormat.Substring(0, editSpan.Span.iStartIndex) + editSpan.Text +
codeToFormat.Substring(editSpan.Span.iEndIndex, codeToFormat.Length - editSpan.Span.iEndIndex);
}
// Force the FASM code to 32 bit
codeToFormat = "use32\r\n" + codeToFormat;
return(codeToFormat);
}
/// <summary>
/// Convert the SnapshotSpan into an EditSpan
/// </summary>
public static EditSpan ToEditSpan(this SnapshotSpan span)
{
return(EditSpan.NewSingle(span));
}