// execute krun in debug mode (i.e. step by step execution)
// isSwitch variable is true if we enter in debug execution from normal
// execution (we use the search command with --graph option)
@SuppressWarnings("unchecked")
public static void debugExecution(
Term kast,
String lang,
KRunResult<SearchResults> state,
org.kframework.kil.loader.Context context) {
try {
// adding autocompletion and history feature to the stepper internal
// commandline by using the JLine library
ConsoleReader reader = new ConsoleReader();
reader.setBellEnabled(false);
List<Completor> argCompletor = new LinkedList<Completor>();
argCompletor.add(
new SimpleCompletor(
new String[] {
"help",
"abort",
"resume",
"step",
"step-all",
"select",
"show-search-graph",
"show-node",
"show-edge",
"save",
"load",
"read"
}));
argCompletor.add(new FileNameCompletor());
List<Completor> completors = new LinkedList<Completor>();
completors.add(new ArgumentCompletor(argCompletor));
reader.addCompletor(new MultiCompletor(completors));
new File(K.compiled_def + K.fileSeparator + "main.maude").getCanonicalPath();
RunProcess rp = new RunProcess();
KRun krun = obtainKRun(context);
krun.setBackendOption("io", false);
KRunDebugger debugger;
try {
if (state == null) {
Term t = makeConfiguration(kast, "", rp, (K.term != null), context);
debugger = krun.debug(t);
System.out.println("After running one step of execution the result is:");
AnsiConsole.out.println(debugger.printState(debugger.getCurrentState()));
} else {
debugger = krun.debug(state.getResult().getGraph());
}
} catch (UnsupportedBackendOptionException e) {
Error.report("Backend \"" + K.backend + "\" does not support option " + e.getMessage());
throw e; // unreachable
}
while (true) {
System.out.println();
String input = reader.readLine("Command > ");
if (input == null) {
// probably pressed ^D
System.out.println();
System.exit(0);
}
// construct the right command line input when we specify the
// "step" option with an argument (i.e. step=3)
input = input.trim();
String[] tokens = input.split(" ");
// store the tokens that are not a blank space
List<String> items = new ArrayList<String>();
for (int i = 0; i < tokens.length; i++) {
if ((!(tokens[i].equals(" ")) && (!tokens[i].equals("")))) {
items.add(tokens[i]);
}
}
StringBuilder aux = new StringBuilder();
// excepting the case of a command like: help
if (items.size() > 1) {
for (int i = 0; i < items.size(); i++) {
if (i > 0) {
aux.append("=");
aux.append(items.get(i));
} else if (i == 0) {
aux.append(items.get(i));
}
}
input = aux.toString();
}
// apply trim to remove possible blank spaces from the inserted
// command
String[] cmds = new String[] {"--" + input};
CommandlineOptions cmd_options = new CommandlineOptions();
CommandLine cmd = cmd_options.parse(cmds);
// when an error occurred during parsing the commandline
// continue the execution of the stepper
if (cmd == null) {
continue;
} else {
if (cmd.hasOption("help")) {
printDebugUsage(cmd_options);
}
if (cmd.hasOption("abort")) {
System.exit(0);
}
if (cmd.hasOption("resume")) {
try {
debugger.resume();
AnsiConsole.out.println(debugger.printState(debugger.getCurrentState()));
} catch (IllegalStateException e) {
Error.silentReport(
"Wrong command: If you previously used the step-all command you must"
+ K.lineSeparator
+ "seletc first a solution with step command before executing steps of rewrites!");
}
}
// one step execution (by default) or more if you specify an
// argument
if (cmd.hasOption("step")) {
// by default execute only one step at a time
String arg = new String("1");
String[] remainingArguments = null;
remainingArguments = cmd.getArgs();
if (remainingArguments.length > 0) {
arg = remainingArguments[0];
}
try {
int steps = Integer.parseInt(arg);
debugger.step(steps);
AnsiConsole.out.println(debugger.printState(debugger.getCurrentState()));
} catch (NumberFormatException e) {
Error.silentReport("Argument to step must be an integer.");
} catch (IllegalStateException e) {
Error.silentReport(
"Wrong command: If you previously used the step-all command you must"
+ K.lineSeparator
+ "select first a solution with step command before executing steps of rewrites!");
}
}
if (cmd.hasOption("step-all")) {
// by default compute all successors in one transition
String arg = new String("1");
String[] remainingArguments = null;
remainingArguments = cmd.getArgs();
if (remainingArguments.length > 0) {
arg = remainingArguments[0];
}
try {
int steps = Integer.parseInt(arg);
SearchResults states = debugger.stepAll(steps);
AnsiConsole.out.println(states);
} catch (NumberFormatException e) {
Error.silentReport("Argument to step-all must be an integer.");
} catch (IllegalStateException e) {
Error.silentReport(
"Wrong command: If you previously used the step-all command you must"
+ K.lineSeparator
+ "select first a solution with step command before executing steps of rewrites!");
}
}
// "select n7" or "select 3" are both valid commands
if (cmd.hasOption("select")) {
String arg = new String();
arg = cmd.getOptionValue("select").trim();
try {
int stateNum = Integer.parseInt(arg);
debugger.setCurrentState(stateNum);
AnsiConsole.out.println(debugger.printState(debugger.getCurrentState()));
} catch (NumberFormatException e) {
Error.silentReport("Argument to select must bean integer.");
} catch (IllegalArgumentException e) {
System.out.println(
"A node with the specified state number could not be found in the"
+ K.lineSeparator
+ "search graph");
}
}
if (cmd.hasOption("show-search-graph")) {
System.out.println(K.lineSeparator + "The search graph is:" + K.lineSeparator);
System.out.println(debugger.getGraph());
}
if (cmd.hasOption("show-node")) {
String nodeId = cmd.getOptionValue("show-node").trim();
try {
int stateNum = Integer.parseInt(nodeId);
AnsiConsole.out.println(debugger.printState(stateNum));
} catch (NumberFormatException e) {
Error.silentReport("Argument to select node to show must be an integer.");
} catch (IllegalArgumentException e) {
System.out.println(
"A node with the specified state number could not be found in the"
+ K.lineSeparator
+ "search graph");
}
}
if (cmd.hasOption("show-edge")) {
String[] vals = cmd.getOptionValues("show-edge");
vals = vals[0].split("=", 2);
try {
int state1 = Integer.parseInt(vals[0].trim());
int state2 = Integer.parseInt(vals[1].trim());
AnsiConsole.out.println(debugger.printEdge(state1, state2));
} catch (ArrayIndexOutOfBoundsException e) {
Error.silentReport("Must specify two nodes with an edge between them.");
} catch (NumberFormatException e) {
Error.silentReport("Arguments to select edge to show must be integers.");
} catch (IllegalArgumentException e) {
System.out.println(
"An edge with the specified endpoints could not be found in the"
+ K.lineSeparator
+ "search graph");
}
}
DirectedGraph<KRunState, Transition> savedGraph = null;
if (cmd.hasOption("save")) {
BinaryLoader.save(
new File(cmd.getOptionValue("save")).getCanonicalPath(), debugger.getGraph());
System.out.println("File successfully saved.");
}
if (cmd.hasOption("load")) {
savedGraph =
(DirectedGraph<KRunState, Transition>)
BinaryLoader.load(cmd.getOptionValue("load"));
krun = new MaudeKRun(context);
debugger = krun.debug(savedGraph);
debugger.setCurrentState(1);
System.out.println("File successfully loaded.");
}
if (cmd.hasOption("read")) {
try {
debugger.readFromStdin(
StringBuiltin.valueOf("\"" + cmd.getOptionValue("read") + "\"").stringValue());
AnsiConsole.out.println(debugger.printState(debugger.getCurrentState()));
} catch (IllegalStateException e) {
Error.silentReport(e.getMessage());
}
}
}
}
} catch (Exception e) {
e.printStackTrace();
System.exit(1);
}
}
// execute krun in normal mode (i.e. not in debug mode)
public static void normalExecution(
Term KAST, String lang, RunProcess rp, CommandlineOptions cmd_options, Context context) {
try {
CommandLine cmd = cmd_options.getCommandLine();
KRun krun = obtainKRun(context);
KRunResult<?> result = null;
// Set<String> varNames = null;
Rule patternRule = null;
RuleCompilerSteps steps;
steps = new RuleCompilerSteps(K.definition, context);
try {
if (cmd.hasOption("pattern") || "search".equals(K.maude_cmd)) {
org.kframework.parser.concrete.KParser.ImportTbl(K.compiled_def + "/def/Concrete.tbl");
ASTNode pattern =
DefinitionLoader.parsePattern(K.pattern, "Command line pattern", context);
CollectVariablesVisitor vars = new CollectVariablesVisitor(context);
pattern.accept(vars);
// varNames = vars.getVars().keySet();
try {
pattern = steps.compile(new Rule((Sentence) pattern), null);
} catch (CompilerStepDone e) {
pattern = (ASTNode) e.getResult();
}
patternRule = new Rule((Sentence) pattern);
if (GlobalSettings.verbose) sw.printIntermediate("Parsing search pattern");
}
if (K.do_search) {
if ("search".equals(K.maude_cmd)) {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
String buffer = "";
// detect if the input comes from console or redirected
// from a pipeline
Console c = System.console();
if (c == null && br.ready()) {
try {
buffer = br.readLine();
} catch (IOException ioe) {
ioe.printStackTrace();
} finally {
if (br != null) {
try {
br.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
Integer depth = null;
Integer bound = null;
if (cmd.hasOption("bound") && cmd.hasOption("depth")) {
bound = Integer.parseInt(K.bound);
depth = Integer.parseInt(K.depth);
} else if (cmd.hasOption("bound")) {
bound = Integer.parseInt(K.bound);
} else if (cmd.hasOption("depth")) {
depth = Integer.parseInt(K.depth);
}
if (K.do_testgen) {
result =
krun.generate(
bound,
depth,
K.searchType,
patternRule,
makeConfiguration(KAST, buffer, rp, (K.term != null), context),
steps);
} else {
result =
krun.search(
bound,
depth,
K.searchType,
patternRule,
makeConfiguration(KAST, buffer, rp, (K.term != null), context),
steps);
}
if (GlobalSettings.verbose) sw.printTotal("Search total");
} else {
Error.report("For the search option you must specify that --maude-cmd=search");
}
} else if (K.model_checking.length() > 0) {
// run kast for the formula to be verified
File formulaFile = new File(K.model_checking);
Term KAST1 = null;
if (!formulaFile.exists()) {
// Error.silentReport("\nThe specified argument does not exist as a file on the disc; it
// may represent a direct formula: "
// + K.model_checking);
// assume that the specified argument is not a file and
// maybe represents a formula
KAST1 = rp.runParserOrDie("kast -e", K.model_checking, false, "LtlFormula", context);
} else {
// the specified argument represents a file
KAST1 = rp.runParserOrDie("kast", K.model_checking, false, "LtlFormula", context);
}
result =
krun.modelCheck(KAST1, makeConfiguration(KAST, null, rp, (K.term != null), context));
if (GlobalSettings.verbose) sw.printTotal("Model checking total");
} else if (K.prove.length() > 0) {
File proofFile = new File(K.prove);
if (!proofFile.exists()) {
Error.report("Cannot find the file containing rules to prove");
}
String content = FileUtil.getFileContent(proofFile.getAbsoluteFile().toString());
Definition parsed =
DefinitionLoader.parseString(content, proofFile.getAbsolutePath(), context);
Module mod = parsed.getSingletonModule();
try {
mod = new SpecificationCompilerSteps(context).compile(mod, null);
} catch (CompilerStepDone e) {
assert false : "dead code";
}
result = krun.prove(mod);
} else if (cmd.hasOption("depth")) {
int depth = Integer.parseInt(K.depth);
result = krun.step(makeConfiguration(KAST, null, rp, (K.term != null), context), depth);
if (GlobalSettings.verbose) sw.printTotal("Bounded execution total");
} else {
result = krun.run(makeConfiguration(KAST, null, rp, (K.term != null), context));
if (GlobalSettings.verbose) sw.printTotal("Normal execution total");
}
if (cmd.hasOption("pattern") && !K.do_search) {
Object krs = result.getResult();
if (krs instanceof KRunState) {
Term res = ((KRunState) krs).getRawResult();
krun.setBackendOption("io", false);
result = krun.search(null, null, K.searchType, patternRule, res, steps);
} else {
Error.report(
"Pattern matching after execution is not supported by search\nand model checking");
}
}
} catch (KRunExecutionException e) {
rp.printError(e.getMessage(), lang, context);
System.exit(1);
} catch (TransformerException e) {
e.report();
} catch (UnsupportedBackendOptionException e) {
Error.report("Backend \"" + K.backend + "\" does not support option " + e.getMessage());
}
if ("pretty".equals(K.output_mode)) {
String output = result.toString();
if (!cmd.hasOption("output")) {
AnsiConsole.out.println(output);
} else {
writeStringToFile(new File(K.output), output);
}
// print search graph
if ("search".equals(K.maude_cmd) && K.do_search && K.showSearchGraph) {
System.out.println(K.lineSeparator + "The search graph is:" + K.lineSeparator);
@SuppressWarnings("unchecked")
KRunResult<SearchResults> searchResult = (KRunResult<SearchResults>) result;
AnsiConsole.out.println(searchResult.getResult().getGraph());
// offer the user the possibility to turn execution into
// debug mode
while (true) {
System.out.print(K.lineSeparator + "Do you want to enter in debug mode? (y/n):");
BufferedReader stdin = new BufferedReader(new InputStreamReader(System.in));
String input = stdin.readLine();
if (input == null) {
K.debug = false;
K.guidebug = false;
System.out.println();
break;
}
if (input.equals("y")) {
K.debug = true;
debugExecution(KAST, lang, searchResult, context);
} else if (input.equals("n")) {
K.debug = false;
K.guidebug = false;
break;
} else {
System.out.println("You should specify one of the possible answers:y or n");
}
}
}
} else if ("raw".equals(K.output_mode)) {
String output = result.getRawOutput();
;
if (!cmd.hasOption("output")) {
System.out.println(output);
} else {
writeStringToFile(new File(K.output), output);
}
} else if ("none".equals(K.output_mode)) {
System.out.print("");
} else if ("binary".equals(K.output_mode)) {
Object krs = result.getResult();
if (krs instanceof KRunState) {
Term res = ((KRunState) krs).getRawResult();
if (!cmd.hasOption("output")) {
Error.silentReport(
"Did not specify an output file. Cannot print output-mode binary to\nstandard out. Saving to .k/krun/krun_output");
BinaryLoader.save(K.krun_output, res);
} else {
BinaryLoader.save(K.output, res);
}
} else {
Error.report("binary output mode is not supported by search and model\nchecking");
}
} else {
Error.report(K.output_mode + " is not a valid value for output-mode option");
}
System.exit(0);
} catch (IOException e) {
e.printStackTrace();
System.exit(1);
}
}