Examples with Err edu.mit.csail.sdg.alloy4.Err used on opensource projects

Example 86 with Err

use of edu.mit.csail.sdg.alloy4.Err in project org.alloytools.alloy by AlloyTools.

the class AlloyTest method main.

public static void main(String[] args) throws Exception {
    A4Reporter rep = new A4Reporter();
    Module world = CompUtil.parseEverything_fromFile(rep, null, "/home/aleks/mvc.als");
    A4Options options = new A4Options();
    options.solver = A4Options.SatSolver.SAT4J;
    options.skolemDepth = 1;
    for (Command command : world.getAllCommands()) {
        A4Solution ans = null;
        try {
            ans = TranslateAlloyToKodkod.execute_commandFromBook(rep, world.getAllReachableSigs(), command, options);
            System.out.println(ans);
        } catch (Err ex) {
            Logger.getLogger(AlloyTest.class.getName()).log(Level.SEVERE, null, ex);
        }
    }
}

Example 87 with Err

use of edu.mit.csail.sdg.alloy4.Err in project org.alloytools.alloy by AlloyTools.

the class ExampleCompilingFromSource method compileModuleAndRun.

public static void compileModuleAndRun(String model) throws Err {
    A4Reporter rep = new A4Reporter();
    // parse model from string
    CompModule world = CompUtil.parseEverything_fromString(rep, model);
    ConstList<Command> commands = world.getAllCommands();
    if (commands.size() != 1)
        throw new ErrorAPI("Must specify exactly one command; number of commands found: " + commands.size());
    Command cmd = commands.get(0);
    A4Options opt = new A4Options();
    opt.solver = A4Options.SatSolver.SAT4J;
    // solve
    A4Solution sol = TranslateAlloyToKodkod.execute_command(rep, world.getAllSigs(), cmd, opt);
    // print solution
    System.out.println(sol);
    for (Sig sig : world.getAllReachableSigs()) {
        System.out.println("traversing sig: " + sig);
        SafeList<Field> fields = sig.getFields();
        for (Field field : fields) {
            System.out.println("  traversing field: " + field);
            A4TupleSet ts = (sol.eval(field));
            for (A4Tuple t : ts) {
                System.out.print("    [");
                for (int i = 0; i < t.arity(); i++) System.out.print(t.atom(i) + " ");
                System.out.println("]");
            }
        }
    }
}

Example 88 with Err

use of edu.mit.csail.sdg.alloy4.Err in project org.alloytools.alloy by AlloyTools.

the class ExprITE method make.

/**
 * Constructs a ExprITE expression.
 *
 * @param cond - the condition formula
 * @param left - the then-clause
 * @param right - the else-clause
 */
public static Expr make(Pos pos, Expr cond, Expr left, Expr right) {
    JoinableList<Err> errs = emptyListOfErrors;
    if (cond.mult != 0)
        errs = errs.make(new ErrorSyntax(cond.span(), "Multiplicity expression not allowed here."));
    if (left.mult != 0)
        errs = errs.make(new ErrorSyntax(left.span(), "Multiplicity expression not allowed here."));
    if (right.mult != 0)
        errs = errs.make(new ErrorSyntax(right.span(), "Multiplicity expression not allowed here."));
    Type c = EMPTY;
    while (left.errors.isEmpty() && right.errors.isEmpty()) {
        Type a = left.type, b = right.type;
        c = a.unionWithCommonArity(b);
        // if (a.is_int && b.is_int) c=Type.makeInt(c);
        if (a.is_bool && b.is_bool)
            c = Type.makeBool(c);
        if (c == EMPTY) {
            // [AM]
            // if (Type.SIGINT2INT) {
            // if (a.is_int && b.intersects(SIGINT.type)) {
            // right=right.cast2int(); continue; }
            // if (b.is_int && a.intersects(SIGINT.type)) {
            // left=left.cast2int(); continue; }
            // }
            // if (Type.INT2SIGINT) {
            // if (a.is_int && b.hasArity(1)) { left=left.cast2sigint();
            // continue; }
            // if (b.is_int && a.hasArity(1)) { right=right.cast2sigint();
            // continue; }
            // }
            errs = errs.make(new ErrorType(cond.span().merge(right.span()).merge(left.span()), "The then-clause and the else-clause must match.\nThe then-clause has type: " + a + "\nand the else-clause has type: " + b));
        }
        break;
    }
    cond = cond.typecheck_as_formula();
    return new ExprITE(pos, cond, left, right, c, errs.make(cond.errors).make(left.errors).make(right.errors));
}