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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Diagnostics;
namespace GPUVerify
{
class CommandLineOptions
{
public static List<string> inputFiles = new List<string>();
public static string outputFile = null;
public static bool OnlyDivergence = false;
public static bool AdversarialAbstraction = false;
public static bool EqualityAbstraction = false;
public static bool Inference = false;
public static bool ArrayEqualities = false;
public static string invariantsFile = null;
public static bool ShowStages = false;
public static bool ShowUniformityAnalysis = false;
public static bool DoUniformityAnalysis = false;
public static bool ShowMayBePowerOfTwoAnalysis = false;
public static bool ShowArrayControlFlowAnalysis = false;
public static bool NoLoopPredicateInvariants = false;
public static bool Unstructured = true;
public static bool SmartPredication = true;
public static bool OnlyIntraGroupRaceChecking = false;
public static int Parse(string[] args)
{
for (int i = 0; i < args.Length; i++)
{
bool hasColonArgument = false;
string beforeColon;
string afterColon = null;
int colonIndex = args[i].IndexOf(':');
if (colonIndex >= 0 && (args[i].StartsWith("-") || args[i].StartsWith("/"))) {
hasColonArgument = true;
beforeColon = args[i].Substring(0, colonIndex);
afterColon = args[i].Substring(colonIndex + 1);
} else {
beforeColon = args[i];
}
switch (beforeColon)
{
case "-help":
case "/help":
case "-?":
case "/?":
return -1;
case "-print":
case "/print":
if (!hasColonArgument)
{
Console.WriteLine("Error: filename expected after " + beforeColon + " argument");
Environment.Exit(1);
}
Debug.Assert(afterColon != null);
outputFile = afterColon;
break;
case "-onlyDivergence":
case "/onlyDivergence":
OnlyDivergence = true;
break;
case "-adversarialAbstraction":
case "/adversarialAbstraction":
AdversarialAbstraction = true;
break;
case "-equalityAbstraction":
case "/equalityAbstraction":
EqualityAbstraction = true;
break;
case "-showStages":
case "/showStages":
ShowStages = true;
break;
case "-inference":
case "/inference":
Inference = true;
if (hasColonArgument)
{
Debug.Assert(afterColon != null);
invariantsFile = afterColon;
}
break;
case "-arrayEqualities":
case "/arrayEqualities":
ArrayEqualities = true;
break;
case "-showUniformityAnalysis":
case "/showUniformityAnalysis":
ShowUniformityAnalysis = true;
break;
case "-uniformityAnalysis":
case "/uniformityAnalysis":
DoUniformityAnalysis = true;
break;
case "-showMayBePowerOfTwoAnalysis":
case "/showMayBePowerOfTwoAnalysis":
ShowMayBePowerOfTwoAnalysis = true;
break;
case "-showArrayControlFlowAnalysis":
case "/showArrayControlFlowAnalysis":
ShowArrayControlFlowAnalysis = true;
break;
case "-noLoopPredicateInvariants":
case "/noLoopPredicateInvariants":
NoLoopPredicateInvariants = true;
break;
case "-structured":
case "/structured":
Unstructured = false;
break;
case "-noSmartPredication":
case "/noSmartPredication":
SmartPredication = false;
break;
case "-onlyIntraGroupRaceChecking":
case "/onlyIntraGroupRaceChecking":
OnlyIntraGroupRaceChecking = true;
break;
default:
inputFiles.Add(args[i]);
break;
}
}
return 0;
}
private static bool printedHelp = false;
public static void Usage()
{
// Ensure that we only print the help message once
if (printedHelp)
{
return;
}
printedHelp = true;
Console.WriteLine(@"GPUVerify: usage: GPUVerify [ option ... ] [ filename ... ]
where <option> is one of
/help : this message
/adversarialAbstraction : apply full state abstraction
/onlyDivergence : only check for divergence-freedom, not race-freedom
/symmetry : apply symmetry breaking
/eager : check races eagerly, rather than waiting for barrier
/inference:file : use automatic invariant inference. Optional file can include manually supplied candidates
/raceCheckingContract : try to infer race-freedom contracts for procedures
/setEncoding : check races using set encoding
/divided : check individual pairs of possibly racing statements separately
/dividedArray : check races on arrays one at a time
/dividedElement : ???
/unstructured : operate on the unstructured form of the program
");
}
}
}
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