Examples with ArrayExpr jkind.lustre.ArrayExpr used on opensource projects

Example 6 with ArrayExpr

use of jkind.lustre.ArrayExpr in project AGREE by loonwerks.

the class AgreeASTBuilder method caseArrayUpdateExpr.

@Override
public Expr caseArrayUpdateExpr(ArrayUpdateExpr expr) {
    Expr arrayExpr = doSwitch(expr.getArray());
    for (int i = 0; i < expr.getIndices().size(); i++) {
        Expr indexExpr = doSwitch(expr.getIndices().get(i));
        Expr newExpr = doSwitch(expr.getValueExprs().get(i));
        arrayExpr = new jkind.lustre.ArrayUpdateExpr(arrayExpr, indexExpr, newExpr);
    }
    return arrayExpr;
}

Example 7 with ArrayExpr

use of jkind.lustre.ArrayExpr in project AGREE by loonwerks.

the class FrameAssertionHelper method valueToExpr.

private static Expr valueToExpr(final Value value) {
    assert value != null;
    if (value instanceof ArrayValue) {
        final ArrayValue arrayValue = (ArrayValue) value;
        final ArrayList<Expr> exprList = new ArrayList<Expr>(arrayValue.elements.size());
        for (final Value childValue : arrayValue.elements) {
            exprList.add(valueToExpr(childValue));
        }
        return new ArrayExpr(exprList);
    } else if (value instanceof BooleanValue) {
        return new BoolExpr(((BooleanValue) value).value);
    } else if (value instanceof EnumValue) {
        return new IdExpr(((EnumValue) value).value);
    } else if (value instanceof IntegerValue) {
        return new IntExpr(((IntegerValue) value).value);
    } else if (value instanceof RealValue) {
        final BigFraction fraction = ((RealValue) value).value;
        return new BinaryExpr(new RealExpr(new BigDecimal(fraction.getNumerator())), BinaryOp.DIVIDE, new RealExpr(new BigDecimal(fraction.getDenominator())));
    }
    if (value instanceof TupleValue) {
        final TupleValue tupleValue = (TupleValue) value;
        final ArrayList<Expr> exprList = new ArrayList<Expr>(tupleValue.elements.size());
        for (final Value childValue : tupleValue.elements) {
            exprList.add(valueToExpr(childValue));
        }
        return new TupleExpr(exprList);
    } else {
        throw new RuntimeException("Unhandled case. Value is of type: " + value.getClass());
    }
}

Example 8 with ArrayExpr

use of jkind.lustre.ArrayExpr in project AGREE by loonwerks.

the class ExpressionFlattener method flattenArrayExpression.

private static void flattenArrayExpression(final Expr expr, final ArrayType arrayType, final Expr[] results) {
    if (expr instanceof ArrayUpdateExpr) {
        final ArrayUpdateExpr updateExpr = (ArrayUpdateExpr) expr;
        // Handle base array
        flattenArrayExpression(updateExpr.array, arrayType, results);
        // Handle the update
        if (updateExpr.index instanceof IntExpr) {
            final BigInteger bigIndex = ((IntExpr) updateExpr.index).value;
            try {
                final int index = bigIndex.intValueExact();
                results[index] = updateExpr.value;
            } catch (ArithmeticException ex) {
            // Ignore
            }
        }
    } else if (expr instanceof ArrayExpr) {
        final ArrayExpr arrayExpr = (ArrayExpr) expr;
        final int elementExpressions = Math.min(arrayType.size, arrayExpr.elements.size());
        for (int i = 0; i < elementExpressions; i++) {
            results[i] = arrayExpr.elements.get(i);
        }
    } else {
        // IdExpr
        for (int i = 0; i < arrayType.size; i++) {
            results[i] = new ArrayAccessExpr(expr, i);
        }
    }
}