/**
* Delegate cancellation request to the instance
*
* @param flag
*/
public void setCanceledFlag(boolean flag) {
if (this.instance != null) {
this.instance.setCancelFlag(flag);
DebugPrinter.print("Cancel flag set to " + flag);
}
}
// SZ Feb 23, 2009: added return status to indicate the error in parsing
public boolean handleParameters(String[] args) {
// SZ Feb 20, 2009: extracted this method to separate the
// parameter handling from the actual processing
int index = 0;
while (index < args.length) {
if (args[index].equals("-simulate")) {
isSimulate = true;
index++;
} else if (args[index].equals("-modelcheck")) {
isSimulate = false;
index++;
} else if (args[index].equals("-difftrace")) {
index++;
TLCGlobals.printDiffsOnly = true;
} else if (args[index].equals("-deadlock")) {
index++;
deadlock = false;
} else if (args[index].equals("-cleanup")) {
index++;
cleanup = true;
} else if (args[index].equals("-nowarning")) {
index++;
TLCGlobals.warn = false;
} else if (args[index].equals("-gzip")) {
index++;
TLCGlobals.useGZIP = false;
} else if (args[index].equals("-terse")) {
index++;
Value.expand = false;
} else if (args[index].equals("-continue")) {
index++;
TLCGlobals.continuation = true;
} else if (args[index].equals("-view")) {
index++;
TLCGlobals.useView = true;
} else if (args[index].equals("-debug")) {
index++;
TLCGlobals.debug = true;
} else if (args[index].equals("-tool")) {
index++;
TLCGlobals.tool = true;
} else if (args[index].equals("-help")) {
printUsage();
return false;
} else if (args[index].equals("-config")) {
index++;
if (index < args.length) {
configFile = args[index];
int len = configFile.length();
if (configFile.startsWith(".cfg", len - 4)) {
configFile = configFile.substring(0, len - 4);
}
index++;
} else {
printErrorMsg("Error: expect a file name for -config option.");
return false;
}
} else if (args[index].equals("-dump")) {
index++;
if (index < args.length) {
dumpFile = args[index];
int len = dumpFile.length();
if (!(dumpFile.startsWith(".dump", len - 5))) {
dumpFile = dumpFile + ".dump";
}
index++;
} else {
printErrorMsg("Error: A file name for dumping states required.");
return false;
}
} else if (args[index].equals("-coverage")) {
index++;
if (index < args.length) {
try {
TLCGlobals.coverageInterval = Integer.parseInt(args[index]) * 60 * 1000;
if (TLCGlobals.coverageInterval < 0) {
printErrorMsg("Error: expect a nonnegative integer for -coverage option.");
return false;
}
index++;
} catch (NumberFormatException e) {
printErrorMsg(
"Error: An integer for coverage report interval required."
+ " But encountered "
+ args[index]);
return false;
}
} else {
printErrorMsg("Error: coverage report interval required.");
return false;
}
} else if (args[index].equals("-checkpoint")) {
index++;
if (index < args.length) {
try {
TLCGlobals.chkptDuration = Integer.parseInt(args[index]) * 1000 * 60;
if (TLCGlobals.chkptDuration < 0) {
printErrorMsg("Error: expect a nonnegative integer for -checkpoint option.");
return false;
}
index++;
} catch (Exception e) {
printErrorMsg(
"Error: An integer for checkpoint interval is required. But encountered "
+ args[index]);
return false;
}
} else {
printErrorMsg("Error: checkpoint interval required.");
return false;
}
} else if (args[index].equals("-depth")) {
index++;
if (index < args.length) {
try {
traceDepth = Integer.parseInt(args[index]);
index++;
} catch (Exception e) {
printErrorMsg(
"Error: An integer for trace length required. But encountered " + args[index]);
return false;
}
} else {
printErrorMsg("Error: trace length required.");
return false;
}
} else if (args[index].equals("-seed")) {
index++;
if (index < args.length) {
try {
seed = Long.parseLong(args[index]);
index++;
noSeed = false;
} catch (Exception e) {
printErrorMsg("Error: An integer for seed required. But encountered " + args[index]);
return false;
}
} else {
printErrorMsg("Error: seed required.");
return false;
}
} else if (args[index].equals("-aril")) {
index++;
if (index < args.length) {
try {
aril = Long.parseLong(args[index]);
index++;
} catch (Exception e) {
printErrorMsg("Error: An integer for aril required. But encountered " + args[index]);
return false;
}
} else {
printErrorMsg("Error: aril required.");
return false;
}
} else if (args[index].equals("-maxSetSize")) {
index++;
if (index < args.length) {
try {
int bound = Integer.parseInt(args[index]);
// make sure it's in valid range
if (!TLCGlobals.isValidSetSize(bound)) {
int maxValue = Integer.MAX_VALUE;
printErrorMsg(
"Error: Value in interval [0, "
+ maxValue
+ "] for maxSetSize required. But encountered "
+ args[index]);
return false;
}
TLCGlobals.setBound = bound;
index++;
} catch (Exception e) {
printErrorMsg(
"Error: An integer for maxSetSize required. But encountered " + args[index]);
return false;
}
} else {
printErrorMsg("Error: maxSetSize required.");
return false;
}
} else if (args[index].equals("-recover")) {
index++;
if (index < args.length) {
fromChkpt = args[index++] + FileUtil.separator;
} else {
printErrorMsg("Error: need to specify the metadata directory for recovery.");
return false;
}
} else if (args[index].equals("-metadir")) {
index++;
if (index < args.length) {
TLCGlobals.metaDir = args[index++] + FileUtil.separator;
} else {
printErrorMsg("Error: need to specify the metadata directory.");
return false;
}
} else if (args[index].equals("-workers")) {
index++;
if (index < args.length) {
try {
int num = Integer.parseInt(args[index]);
if (num < 1) {
printErrorMsg("Error: at least one worker required.");
return false;
}
TLCGlobals.setNumWorkers(num);
index++;
} catch (Exception e) {
printErrorMsg("Error: worker number required. But encountered " + args[index]);
return false;
}
} else {
printErrorMsg("Error: expect an integer for -workers option.");
return false;
}
} else if (args[index].equals("-dfid")) {
index++;
if (index < args.length) {
try {
TLCGlobals.DFIDMax = Integer.parseInt(args[index]);
if (TLCGlobals.DFIDMax < 0) {
printErrorMsg("Error: expect a nonnegative integer for -dfid option.");
return false;
}
index++;
} catch (Exception e) {
printErrorMsg(
"Errorexpect a nonnegative integer for -dfid option. "
+ "But encountered "
+ args[index]);
return false;
}
} else {
printErrorMsg("Error: expect a nonnegative integer for -dfid option.");
return false;
}
} else if (args[index].equals("-fp")) {
index++;
if (index < args.length) {
try {
fpIndex = Integer.parseInt(args[index]);
if (fpIndex < 0 || fpIndex >= FP64.Polys.length) {
printErrorMsg(
"Error: The number for -fp must be between 0 and "
+ (FP64.Polys.length - 1)
+ " (inclusive).");
return false;
}
index++;
} catch (Exception e) {
printErrorMsg("Error: A number for -fp is required. But encountered " + args[index]);
return false;
}
} else {
printErrorMsg("Error: expect an integer for -workers option.");
return false;
}
} else if (args[index].equals("-fpmem")) {
index++;
if (index < args.length) {
try {
// -fpmem can be used in two ways:
// a) to set the relative memory to be used for fingerprints (being machine independent)
// b) to set the absolute memory to be used for fingerprints
//
// In order to set memory relatively, a value in the domain [0.0, 1.0] is interpreted as
// a fraction.
// A value in the [2, Double.MaxValue] domain allocates memory absolutely.
//
// Independently of relative or absolute mem allocation,
// a user cannot allocate more than JVM heap space
// available. Conversely there is the lower hard limit TLC#MinFpMemSize.
fpMemSize = Double.parseDouble(args[index]);
if (fpMemSize < 0) {
printErrorMsg(
"Error: An positive integer or a fraction for fpset memory size/percentage required. But encountered "
+ args[index]);
return false;
} else if (fpMemSize > 1) {
fpMemSize = (long) fpMemSize;
}
index++;
} catch (Exception e) {
printErrorMsg(
"Error: An positive integer or a fraction for fpset memory size/percentage required. But encountered "
+ args[index]);
return false;
}
} else {
printErrorMsg("Error: fpset memory size required.");
return false;
}
} else if (args[index].equals("-fpbits")) {
index++;
if (index < args.length) {
try {
fpBits = Integer.parseInt(args[index]);
// make sure it's in valid range
if (!FPSet.isValid(fpBits)) {
printErrorMsg(
"Error: Value in interval [0, 30] for fpbits required. But encountered "
+ args[index]);
return false;
}
index++;
} catch (Exception e) {
printErrorMsg("Error: An integer for fpbits required. But encountered " + args[index]);
return false;
}
} else {
printErrorMsg("Error: fpbits required.");
return false;
}
} else {
if (args[index].charAt(0) == '-') {
printErrorMsg("Error: unrecognized option: " + args[index]);
return false;
}
if (mainFile != null) {
printErrorMsg("Error: more than one input files: " + mainFile + " and " + args[index]);
return false;
}
mainFile = args[index++];
int len = mainFile.length();
if (mainFile.startsWith(".tla", len - 4)) {
mainFile = mainFile.substring(0, len - 4);
}
}
}
fpMemSize = TLCRuntime.getInstance().getFPMemSize(fpMemSize);
if (mainFile == null) {
printErrorMsg("Error: Missing input TLA+ module.");
return false;
}
if (configFile == null) {
configFile = mainFile;
}
if (TLCGlobals.debug) {
StringBuffer buffer = new StringBuffer("TLC argumens:");
for (int i = 0; i < args.length; i++) {
buffer.append(args[i]);
if (i < args.length - 1) {
buffer.append(" ");
}
}
buffer.append("\n");
DebugPrinter.print(buffer.toString());
}
// if no errors, print welcome message
printWelcome();
return true;
}