Examples with ExistsExpr com.rockwellcollins.atc.agree.agree.ExistsExpr used on opensource projects

Example 1 with ExistsExpr

use of com.rockwellcollins.atc.agree.agree.ExistsExpr in project AGREE by loonwerks.

the class AgreeASTBuilder method caseExistsExpr.

@Override
public Expr caseExistsExpr(ExistsExpr expr) {
    com.rockwellcollins.atc.agree.agree.Expr arrayExpr = expr.getArray();
    Expr array = doSwitch(arrayExpr);
    AgreeTypeSystem.TypeDef agreeType = AgreeTypeSystem.infer(arrayExpr);
    int size = 0;
    if (agreeType instanceof AgreeTypeSystem.ArrayTypeDef) {
        size = ((AgreeTypeSystem.ArrayTypeDef) agreeType).size;
    } else {
        throw new AgreeException("ERROR: caseExistsExpr - '" + agreeType.getClass() + "' not handled");
    }
    NamedID binding = expr.getBinding();
    Expr final_expr = new BoolExpr(false);
    for (int i = 0; i < size; ++i) {
        Expr arrayAccess = new ArrayAccessExpr(array, i);
        Expr body = doSwitch(expr.getExpr()).accept(new SubstitutionVisitor(binding.getName(), arrayAccess));
        final_expr = LustreExprFactory.makeORExpr(final_expr, body);
    }
    return final_expr;
}