Examples with BParseException de.be4.classicalb.core.parser.exceptions.BParseException used on opensource projects

Example 1 with BParseException

use of de.be4.classicalb.core.parser.exceptions.BParseException in project probparsers by bendisposto.

the class OpSubstitutions method caseAFuncOpSubstitution.

@Override
public void caseAFuncOpSubstitution(final AFuncOpSubstitution node) {
    final PExpression expression = node.getFunction();
    PExpression idExpr = null;
    LinkedList<PExpression> parameters = null;
    Type type = null;
    TIdentifierLiteral idToken = null;
    String idString = null;
    if (expression instanceof AFunctionExpression) {
        // the operation was parsed as a function expression
        final AFunctionExpression function = (AFunctionExpression) expression;
        final PExpression funcId = function.getIdentifier();
        if (funcId instanceof AIdentifierExpression) {
            final AIdentifierExpression identifier = (AIdentifierExpression) funcId;
            idString = Utils.getTIdentifierListAsString(identifier.getIdentifier());
            idToken = identifier.getIdentifier().get(0);
            type = definitions.getType(idString);
        } else {
            type = Type.NoDefinition;
        }
        idExpr = function.getIdentifier();
        parameters = new LinkedList<>(function.getParameters());
    } else if (expression instanceof AIdentifierExpression) {
        // the operation was parsed as an identifier expression
        final AIdentifierExpression identifier = (AIdentifierExpression) expression;
        idString = Utils.getTIdentifierListAsString(identifier.getIdentifier());
        idToken = identifier.getIdentifier().get(0);
        type = definitions.getType(idString);
        idExpr = expression;
        parameters = new LinkedList<>();
    } else {
        // some other expression was parsed (NOT allowed)
        throw new BParseException(null, "Expecting operation");
    }
    if (type != Type.NoDefinition && idToken != null) {
        if (type == Type.Substitution || type == Type.ExprOrSubst) {
            // create DefinitionSubstitution
            final ADefinitionSubstitution defSubst = new ADefinitionSubstitution(new TDefLiteralSubstitution(idToken.getText(), idToken.getLine(), idToken.getPos()), parameters);
            if (type == Type.ExprOrSubst) {
                // type is determined now => set to Substitution
                setTypeSubstDef(node, idString);
            }
            // transfer position information
            final PositionedNode posNode = node;
            final PositionedNode newPosNode = defSubst;
            newPosNode.setStartPos(posNode.getStartPos());
            newPosNode.setEndPos(posNode.getEndPos());
            node.replaceBy(defSubst);
            defSubst.apply(this);
        } else {
            // finding some other type here is an error!
            throw new VisitorException(new CheckException("Expecting substitution here but found definition with type '" + type + "'", node));
        }
    } else {
        // no def, no problem ;-)
        final AOpSubstitution opSubst = new AOpSubstitution(idExpr, parameters);
        opSubst.setStartPos(idExpr.getStartPos());
        opSubst.setEndPos(idExpr.getEndPos());
        node.replaceBy(opSubst);
        opSubst.apply(this);
    }
}

Example 2 with BParseException

use of de.be4.classicalb.core.parser.exceptions.BParseException in project probparsers by bendisposto.

the class PredicatesTest method testNonIdentifiersInQuantification.

@Test
public void testNonIdentifiersInQuantification() {
    final String testMachine = "#PREDICATE ! a,5. (a=5 => a/=5 )";
    try {
        getTreeAsString(testMachine);
        fail("Expected exception");
    } catch (final BCompoundException e) {
        assertTrue(e.getFirstException().getCause() instanceof BParseException);
    }
}

Example 3 with BParseException

use of de.be4.classicalb.core.parser.exceptions.BParseException in project probparsers by bendisposto.

the class DefinitionsTest method testUnparsableRhs.

@Test
public void testUnparsableRhs() {
    final String testMachine = "MACHINE Test\nDEFINITIONS def_expr1 == 42 < \n OPERATIONS op = PRE def_expr1 THEN skip END END";
    try {
        getTreeAsString(testMachine);
        fail("Was expecting BParseException");
    } catch (final BCompoundException e) {
        System.out.println(e.getLocalizedMessage());
    // IGNORE is expected
    }
}

Example 4 with BParseException

use of de.be4.classicalb.core.parser.exceptions.BParseException in project probparsers by bendisposto.

the class ErrorMessagesTest method testKeywordAsIdentifierInConstantsClause.

@Test
public void testKeywordAsIdentifierInConstantsClause() throws Exception {
    final String testMachine = "MACHINE Test CONSTANTS right PROPERTIES right = 1 END";
    try {
        getTreeAsString(testMachine);
        fail("Invalid identifier not detected");
    } catch (BCompoundException e) {
        System.out.println(e.getMessage());
        BParseException e1 = (BParseException) e.getFirstException().getCause();
        assertTrue(e1.getToken().getText().equals("right"));
    }
}

Example 5 with BParseException

use of de.be4.classicalb.core.parser.exceptions.BParseException in project probparsers by bendisposto.

the class PrimedIdentifierTest method testPrimedIdentifiersInQuantifiers.

@Test
public void testPrimedIdentifiersInQuantifiers() throws BCompoundException {
    final String testMachine = "#PREDICATE !a$0.(a$0=5 => b=6)";
    try {
        getTreeAsString(testMachine);
        fail("exception expected");
    } catch (BCompoundException e) {
        assertTrue(e.getCause() instanceof BParseException);
    // ok
    }
}