/// <summary>Guess whether the provided buffer has assembly in Masm syntax (return true) or Gas syntax (return false)</summary>
public static bool Guess_Masm_Syntax(ITextBuffer buffer, int nLinesMax = 30)
{
//AsmDudeToolsStatic.Output_INFO(string.Format("{0}:Guess_Masm_Syntax. file=\"{1}\"", "AsmDudeToolsStatic", AsmDudeToolsStatic.GetFilename(buffer)));
ITextSnapshot snapshot = buffer.CurrentSnapshot;
int evidence_masm = 0;
for (int i = 0; i < Math.Min(snapshot.LineCount, nLinesMax); ++i)
{
string line_capitals = snapshot.GetLineFromLineNumber(i).GetText().ToUpper();
//AsmDudeToolsStatic.Output_INFO(string.Format("{0}:Guess_Masm_Syntax {1}:\"{2}\"", "AsmDudeToolsStatic", i, line_capitals));
List <string> keywords = AsmSourceTools.SplitIntoKeywordsList(line_capitals);
foreach (string word in keywords)
{
switch (word)
{
case "PTR":
case "@B":
case "@F":
evidence_masm++;
break;
case ".INTEL_SYNTAX":
case ".ATT_SYNTAX":
return(false); // we know for sure
}
}
}
bool result = (evidence_masm > 0);
AsmDudeToolsStatic.Output_INFO(string.Format("{0}:Guess_Masm_Syntax; result {1}; file=\"{2}\"; evidence_masm {3}", "AsmDudeToolsStatic", result, AsmDudeToolsStatic.GetFilename(buffer), evidence_masm));
return(result);
}
public static bool Guess_Intel_Syntax(ITextBuffer buffer, int nLinesMax = 30)
{
Contract.Requires(buffer != null);
bool contains_register_att(List <string> line)
{
foreach (string asmToken in line)
{
if (asmToken[0].Equals('%'))
{
string asmToken2 = asmToken.Substring(1);
if (RegisterTools.IsRn(asmToken2, true))
{
return(true);
}
}
}
return(false);
}
bool contains_register_intel(List <string> line)
{
foreach (string asmToken in line)
{
if (RegisterTools.IsRn(asmToken, true))
{
return(true);
}
}
return(false);
}
bool contains_constant_att(List <string> line)
{
foreach (string asmToken in line)
{
if (asmToken[0].Equals('$'))
{
return(true);
}
}
return(false);
}
bool contains_constant_intel(List <string> line)
{
return(false);
}
bool contains_mnemonic_att(List <string> line)
{
foreach (string word in line)
{
if (!AsmSourceTools.IsMnemonic(word, true))
{
if (AsmSourceTools.IsMnemonic_Att(word, true))
{
return(true);
}
}
}
return(false);
}
bool contains_mnemonic_intel(List <string> line)
{
return(false);
}
//AsmDudeToolsStatic.Output_INFO(string.Format(AsmDudeToolsStatic.CultureUI, "{0}:Guess_Intel_Syntax. file=\"{1}\"", "AsmDudeToolsStatic", AsmDudeToolsStatic.GetFilename(buffer)));
ITextSnapshot snapshot = buffer.CurrentSnapshot;
int registers_i = 0;
int constants_i = 0;
int mnemonics_i = 0;
for (int i = 0; i < Math.Min(snapshot.LineCount, nLinesMax); ++i)
{
string line_upcase = snapshot.GetLineFromLineNumber(i).GetText().ToUpperInvariant();
Output_INFO(string.Format(CultureUI, "{0}:Guess_Intel_Syntax {1}:\"{2}\"", "AsmDudeToolsStatic", i, line_upcase));
List <string> keywords_upcase = AsmSourceTools.SplitIntoKeywordsList(line_upcase);
if (contains_register_att(keywords_upcase))
{
registers_i++;
}
if (contains_register_intel(keywords_upcase))
{
registers_i--;
}
if (contains_constant_att(keywords_upcase))
{
constants_i++;
}
if (contains_constant_intel(keywords_upcase))
{
constants_i--;
}
if (contains_mnemonic_att(keywords_upcase))
{
mnemonics_i++;
}
if (contains_mnemonic_intel(keywords_upcase))
{
mnemonics_i--;
}
}
int total =
Math.Max(Math.Min(1, registers_i), -1) +
Math.Max(Math.Min(1, constants_i), -1) +
Math.Max(Math.Min(1, mnemonics_i), -1);
bool result = (total <= 0);
Output_INFO(string.Format(CultureUI, "{0}:Guess_Intel_Syntax; result {1}; file=\"{2}\"; registers {3}; constants {4}; mnemonics {5}", "AsmDudeToolsStatic", result, GetFilename(buffer), registers_i, constants_i, mnemonics_i));
return(result);
}