Examples with Type org.abs_models.frontend.typechecker.Type used on opensource projects

Example 1 with Type

use of org.abs_models.frontend.typechecker.Type in project abstools by abstools.

the class FrontendTest method getTypeOfNthAssignment.

protected Type getTypeOfNthAssignment(Model m, int n) {
    int count = 0;
    for (Stmt s : m.getMainBlock().getStmts()) {
        Type t = null;
        if (s instanceof AssignStmt) {
            AssignStmt as = (AssignStmt) s;
            t = as.getValue().getType();
        } else if (s instanceof VarDeclStmt) {
            VarDeclStmt vd = (VarDeclStmt) s;
            if (vd.getVarDecl().hasInitExp()) {
                t = vd.getVarDecl().getInitExp().getType();
            }
        }
        if (t != null) {
            count++;
            if (count == n) {
                return t;
            }
        }
    }
    return null;
}

Example 2 with Type

use of org.abs_models.frontend.typechecker.Type in project abstools by abstools.

the class SchedulerChecker method checkScheduleExp.

private void checkScheduleExp(PureExp sched, ClassDecl class_decl, ASTNode<?> loc) {
    if (sched == null)
        return;
    if (!(sched instanceof FnApp)) {
        errors.add(new TypeError(loc, ErrorMessage.WRONG_SCHEDULER_ANNOTATION_TYPE, sched.getType()));
        return;
    }
    FnApp s = (FnApp) sched;
    Type scheduler_type = s.getType();
    if (s.getDecl().isUnknown()) {
        errors.add(new TypeError(loc, ErrorMessage.FUNCTION_NOT_RESOLVABLE, s.getName()));
        return;
    }
    FunctionDecl sd = (FunctionDecl) s.getDecl();
    // check scheduling function return type
    boolean schedulerTypeCorrect = scheduler_type.isDataType() && ((DataTypeType) scheduler_type).getQualifiedName().equals("ABS.Scheduler.Process");
    // check scheduling function first arg, pt.1: are we a list?
    boolean schedulerFunFirstArgCorrect = sd.getNumParam() > 0 && sd.getParam(0).getType().getQualifiedName().equals("ABS.StdLib.List");
    if (schedulerFunFirstArgCorrect) {
        // check scheduling function first arg, pt.2: are we a list of
        // processes?
        DataTypeType firstArgType = (DataTypeType) sd.getParam(0).getType();
        if (firstArgType.numTypeArgs() != 1) {
            // should not happen since ABS.StdLib.List takes 1 argument
            schedulerFunFirstArgCorrect = false;
        } else {
            schedulerFunFirstArgCorrect = firstArgType.getTypeArg(0).getQualifiedName().equals("ABS.Scheduler.Process");
        }
    }
    if (!schedulerTypeCorrect || !schedulerFunFirstArgCorrect) {
        // emit two messages: one at the annotation location, one for the
        // offending scheduler function
        errors.add(new TypeError(loc, ErrorMessage.WRONG_SCHEDULER_ANNOTATION_TYPE, "dummy"));
        errors.add(new TypeError(sd, ErrorMessage.WRONG_SCHEDULER_FUN_TYPE, s.getName()));
    }
    if (s.getNumParam() == 0 || !(s.getParam(0) instanceof VarUse) || !((VarUse) s.getParam(0)).getName().equals("queue")) {
        // first arg to the scheduler expression must be the magic `queue'
        errors.add(new TypeError(loc, ErrorMessage.WRONG_SCHEDULER_FIRST_ARGUMENT, "dummy"));
    }
    if (s.getNumParam() != sd.getNumParam()) {
        errors.add(new TypeError(loc, ErrorMessage.WRONG_NUMBER_OF_ARGS, s.getNumParam(), sd.getNumParam()));
    } else {
        // start from 1; magic first parameter `queue' already checked
        for (int i = 1; i < s.getNumParam(); i++) {
            PureExp arg = s.getParam(i);
            String argname = "";
            if (!(arg instanceof VarOrFieldUse)) {
                // argument was not a plain identifier
                errors.add(new TypeError(arg, ErrorMessage.WRONG_SCHEDULER_FIELD_ARGUMENT, Integer.toString(i + 1), class_decl.getName()));
            } else {
                // Check the rest of the parameters against class
                // field/param names and argument types of the scheduling
                // function.  Parts of this could be elided if we verify
                // that `VarUse's in scheduler annotation are rewritten to
                // `FieldUse's -- then we'd just have to check for the
                // presence of `VarUse' in the parameter list to detect
                // invalid args.  But can't hurt to open-code it (and we
                // still have to check the type of all arguments vs the
                // scheduling function parameters).
                VarOrFieldUse vararg = (VarOrFieldUse) arg;
                String name = vararg.getName();
                Type argtype = UnknownType.INSTANCE;
                for (ParamDecl p : class_decl.getParamList()) {
                    if (p.getName().equals(name))
                        argtype = p.getType();
                }
                for (FieldDecl f : class_decl.getFieldList()) {
                    if (f.getName().equals(name))
                        argtype = f.getType();
                }
                if (argtype.isUnknownType()) {
                    // identifier, but unknown in the class
                    errors.add(new TypeError(arg, ErrorMessage.WRONG_SCHEDULER_FIELD_ARGUMENT, "\"" + name + "\"", class_decl.getName()));
                } else {
                    // argtype: field; paramtype: function arg
                    Type paramtype = sd.getParam(i).getType();
                    if (!argtype.isAssignableTo(paramtype)) {
                        errors.add(new TypeError(arg, ErrorMessage.TYPE_MISMATCH, argtype, paramtype));
                    }
                }
            }
        }
    }
    if (class_decl.getType().isDeploymentComponentType()) {
        errors.add(new TypeError(loc, ErrorMessage.SCHEDULER_ON_DC, "dummy"));
    }
}

Example 3 with Type

use of org.abs_models.frontend.typechecker.Type in project abstools by abstools.

the class TypeExtensionHelper method checkFnApp.

public void checkFnApp(FnApp f) {
    FunctionDecl decl = (FunctionDecl) f.getDecl();
    if (decl instanceof ParametricFunctionDecl) {
        HashMap<TypeParameter, Type> map = new HashMap<>();
        for (int i = 0; i < decl.getNumParam(); i++) {
            Type t = f.getParam(i).getType();
            Type arg = decl.getParam(i).getType();
            checkTypeParameter(map, t, arg, f.getParam(i));
        }
    } else {
        checkAssignable(null, decl, f);
    }
}

Example 4 with Type

use of org.abs_models.frontend.typechecker.Type in project abstools by abstools.

the class TypeExtensionHelper method checkTypeParameter.

private void checkTypeParameter(HashMap<TypeParameter, Type> map, Type rht, Type lht, ASTNode<?> origin) {
    rht = resolveBoundedType(rht);
    if (rht.isBoundedType())
        return;
    if (lht.isTypeParameter() && rht.isReferenceType()) {
        TypeParameter typeParam = (TypeParameter) lht;
        Type lt = map.get(typeParam);
        if (lt != null) {
            checkEq(lt, rht, origin);
        } else {
            map.put(typeParam, rht);
        }
    } else if (lht.isDataType()) {
        DataTypeType argdt = (DataTypeType) lht;
        if (argdt.hasTypeArgs()) {
            DataTypeType dt = (DataTypeType) rht;
            for (int i = 0; i < dt.numTypeArgs(); i++) {
                checkTypeParameter(map, dt.getTypeArg(i), argdt.getTypeArg(i), origin);
            }
        }
    } else if (lht.isReferenceType()) {
        checkEq(lht, rht, origin);
    }
}

Example 5 with Type

use of org.abs_models.frontend.typechecker.Type in project abstools by abstools.

the class StringBasedABSTestRunnerGenerator method generateMainBlock.

private TestRunnerScriptBuilder generateMainBlock(TestRunnerScriptBuilder imports) {
    TestRunnerScriptBuilder builder = new TestRunnerScriptBuilder();
    builder.increaseIndent();
    Set<Type> paramNames = new HashSet<>();
    builder.append("Set<Fut<Unit>> ").append(futs).append(" = EmptySet;").newLine();
    builder.append("Fut<Unit> ").append(fut).append(";").newLine();
    for (InterfaceDecl key : tests.keySet()) {
        builder.append("//Test cases for ").append(key.getType().getQualifiedName()).newLine();
        for (ClassDecl clazz : tests.get(key)) {
            builder.append("//Test cases for implementation ").append(clazz.getName()).newLine();
            paramNames.addAll(generateTestClassImpl(key, clazz, builder));
        }
    }
    generateWaitSync(builder);
    generateImports(imports, paramNames);
    return builder;
}