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Example 6 with FnApp

use of org.abs_models.frontend.ast.FnApp 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"));
    }
}
Also used : DataTypeType(org.abs_models.frontend.typechecker.DataTypeType) PureExp(org.abs_models.frontend.ast.PureExp) VarUse(org.abs_models.frontend.ast.VarUse) FunctionDecl(org.abs_models.frontend.ast.FunctionDecl) FieldDecl(org.abs_models.frontend.ast.FieldDecl) DataTypeType(org.abs_models.frontend.typechecker.DataTypeType) Type(org.abs_models.frontend.typechecker.Type) UnknownType(org.abs_models.frontend.typechecker.UnknownType) FnApp(org.abs_models.frontend.ast.FnApp) ParamDecl(org.abs_models.frontend.ast.ParamDecl) TypeError(org.abs_models.frontend.analyser.TypeError) VarOrFieldUse(org.abs_models.frontend.ast.VarOrFieldUse)

Example 7 with FnApp

use of org.abs_models.frontend.ast.FnApp in project abstools by abstools.

the class DeployInformationClass method addAnn.

public void addAnn(PureExp exp) {
    // A specification is a list (hence a FnApp with first argument being a list)
    DeployInformationClassSpecification info = new DeployInformationClassSpecification(_paramList, _paramType);
    PureExp list = ((FnApp) exp).getParam(0);
    while (((DataConstructorExp) list).hasParam() && (((DataConstructorExp) list).getParam(0) != null)) {
        // means we have a cons
        PureExp el = ((DataConstructorExp) list).getParam(0);
        list = ((DataConstructorExp) list).getParam(1);
        if (((DataConstructorExp) el).getDataConstructor().getName().equals("Cost")) {
            String name = ((StringLiteral) ((DataConstructorExp) el).getParam(0)).getContent();
            int cost = Integer.parseInt(((IntLiteral) ((DataConstructorExp) el).getParam(1)).getContent());
            info.addCost(name, cost);
            System.out.println("  Annotation is Cost(\"" + name + "\", " + cost + ")");
        } else if (((DataConstructorExp) el).getDataConstructor().getName().equals("MaxUse")) {
            int arity = Integer.parseInt(((IntLiteral) ((DataConstructorExp) el).getParam(0)).getContent());
            info.setProvide(arity);
            System.out.println("  Annotation is MaxUse(" + arity + ")");
        } else if (((DataConstructorExp) el).getDataConstructor().getName().equals("Name")) {
            String name = ((StringLiteral) ((DataConstructorExp) el).getParam(0)).getContent();
            info.addScenarioName(name);
            System.out.println("  Annotation is Name(" + name + ")");
        } else if (((DataConstructorExp) el).getDataConstructor().getName().equals("Param")) {
            String param = ((StringLiteral) ((DataConstructorExp) el).getParam(0)).getContent();
            String port = _paramType.get(param);
            PureExp spec = ((DataConstructorExp) el).getParam(1);
            if (((DataConstructorExp) spec).getDataConstructor().getName().equals("Req")) {
                System.out.print("Req");
                info.addRequirement(param);
                System.out.println("  Annotation is Req(\"" + param + "\")");
            } else if (((DataConstructorExp) spec).getDataConstructor().getName().equals("List")) {
                int arity = Integer.parseInt(((IntLiteral) ((DataConstructorExp) spec).getParam(0)).getContent());
                info.addList(param, arity);
                System.out.println("  Annotation is List(\"" + port + "\", " + arity + ")");
            } else if (((DataConstructorExp) spec).getDataConstructor().getName().equals("OptList")) {
                String value = ((StringLiteral) ((DataConstructorExp) spec).getParam(0)).getContent();
                info.addOptList(param, value);
                System.out.println("  Annotation is OptList(\"" + port + "\", " + value + ")");
            } else if (((DataConstructorExp) spec).getDataConstructor().getName().equals("Default")) {
                System.out.print("Default");
                String value = ((StringLiteral) ((DataConstructorExp) spec).getParam(0)).getContent();
                if (port != null)
                    System.out.print("(\"" + port + "\", " + value + ")");
                info.addDefault(param, value);
                System.out.println("  Annotation is Default(\"" + port + "\", " + value + ")");
            } else if (((DataConstructorExp) spec).getDataConstructor().getName().equals("User")) {
                System.out.print("User");
                if (port != null)
                    System.out.print("(\"" + port + "\")");
                info.addUser(param, port);
                System.out.println("  Annotation is User(\"" + port + "\", " + param + ")");
            }
        }
    }
    _spec.add(info);
}
Also used : DataConstructorExp(org.abs_models.frontend.ast.DataConstructorExp) FnApp(org.abs_models.frontend.ast.FnApp) StringLiteral(org.abs_models.frontend.ast.StringLiteral) IntLiteral(org.abs_models.frontend.ast.IntLiteral) PureExp(org.abs_models.frontend.ast.PureExp)

Example 8 with FnApp

use of org.abs_models.frontend.ast.FnApp in project abstools by abstools.

the class ParFnAppTest method assertHasCall.

private FnApp assertHasCall(Model model, String expectedName) {
    FnApp result = getCall(model, Pattern.compile(expectedName));
    String errorMessage = "No expanded function call with name " + expectedName + " created" + " (functions: " + getFunctions(model) + ")";
    assertNotNull(errorMessage, result);
    return result;
}
Also used : FnApp(org.abs_models.frontend.ast.FnApp)

Aggregations

FnApp (org.abs_models.frontend.ast.FnApp)8 PureExp (org.abs_models.frontend.ast.PureExp)5 FunctionDecl (org.abs_models.frontend.ast.FunctionDecl)3 IntLiteral (org.abs_models.frontend.ast.IntLiteral)3 Model (org.abs_models.frontend.ast.Model)3 Test (org.junit.Test)3 FrontendTest (org.abs_models.frontend.FrontendTest)2 List (org.abs_models.frontend.ast.List)2 StringLiteral (org.abs_models.frontend.ast.StringLiteral)2 VarUse (org.abs_models.frontend.ast.VarUse)2 ArrayList (java.util.ArrayList)1 LinkedList (java.util.LinkedList)1 TypeError (org.abs_models.frontend.analyser.TypeError)1 AddAddExp (org.abs_models.frontend.ast.AddAddExp)1 Annotation (org.abs_models.frontend.ast.Annotation)1 DataConstructorExp (org.abs_models.frontend.ast.DataConstructorExp)1 ExpFunctionDef (org.abs_models.frontend.ast.ExpFunctionDef)1 ExpressionStmt (org.abs_models.frontend.ast.ExpressionStmt)1 FieldDecl (org.abs_models.frontend.ast.FieldDecl)1 FunctionDef (org.abs_models.frontend.ast.FunctionDef)1