/*!
* \param[in,out] sel Value of the variable.
* \returns The created selection element that references \p sel.
*
* The reference count of \p sel is updated, but no other modifications are
* made.
*/
SelectionTreeElementPointer
_gmx_sel_init_variable_ref(const gmx::SelectionTreeElementPointer &sel)
{
SelectionTreeElementPointer ref;
if (sel->v.type == POS_VALUE && sel->type == SEL_CONST)
{
ref = sel;
}
else
{
ref.reset(new SelectionTreeElement(SEL_SUBEXPRREF));
_gmx_selelem_set_vtype(ref, sel->v.type);
ref->setName(sel->name());
ref->child = sel;
}
return ref;
}
/*!
* \param pparams List of parameters from the selection parser.
* \param[in] nparam Number of parameters in \p params.
* \param params Array of parameters to parse.
* \param root Selection element to which child expressions are added.
* \param[in] scanner Scanner data structure.
*
* Initializes the \p params array based on the parameters in \p pparams.
* See the documentation of \c gmx_ana_selparam_t for different options
* available for parsing.
*
* The list \p pparams and any associated values are freed after the parameters
* have been processed, no matter is there was an error or not.
*/
void
_gmx_sel_parse_params(const gmx::SelectionParserParameterList &pparams,
int nparam, gmx_ana_selparam_t *params,
const gmx::SelectionTreeElementPointer &root,
void *scanner)
{
ExceptionInitializer errors("");
/* Check that the value pointers of SPAR_VARNUM parameters are NULL and
* that they are not NULL for other parameters */
for (int i = 0; i < nparam; ++i)
{
if (params[i].val.type != POS_VALUE
&& (params[i].flags & (SPAR_VARNUM | SPAR_ATOMVAL)))
{
GMX_RELEASE_ASSERT(params[i].val.u.ptr == NULL,
"value pointer is not NULL "
"although it should be for SPAR_VARNUM "
"and SPAR_ATOMVAL parameters");
GMX_RELEASE_ASSERT(!((params[i].flags & SPAR_VARNUM)
&& (params[i].flags & SPAR_DYNAMIC))
|| params[i].nvalptr != NULL,
"nvalptr is NULL but both "
"SPAR_VARNUM and SPAR_DYNAMIC are specified");
}
else
{
GMX_RELEASE_ASSERT(params[i].val.u.ptr != NULL,
"value pointer is NULL");
}
}
/* Parse the parameters */
int nullParamIndex = 0;
SelectionParserParameterList::const_iterator pparam;
for (pparam = pparams.begin(); pparam != pparams.end(); ++pparam)
{
try
{
// Always assigned afterwards, but cppcheck does not see that.
gmx_ana_selparam_t *oparam = NULL;
/* Find the parameter and make some checks */
if (!pparam->name().empty())
{
nullParamIndex = -1;
oparam
= gmx_ana_selparam_find(pparam->name().c_str(), nparam, params);
GMX_RELEASE_ASSERT(oparam != NULL, "Inconsistent selection parameter");
}
else if (nullParamIndex >= 0)
{
oparam = ¶ms[nullParamIndex];
if (oparam->name != NULL)
{
std::string text(_gmx_sel_lexer_get_text(scanner, pparam->location()));
std::string message
= formatString("Unexpected '%s'", text.c_str());
GMX_THROW(InvalidInputError(message));
}
++nullParamIndex;
}
else
{
GMX_RELEASE_ASSERT(false, "All NULL parameters should appear in "
"the beginning of the list");
}
if (oparam->flags & SPAR_SET)
{
std::string message
= formatString("'%s' appears multiple times",
pparam->name().c_str());
GMX_THROW(InvalidInputError(message));
}
oparam->flags |= SPAR_SET;
if (oparam->val.type != NO_VALUE && pparam->values().empty())
{
std::string text;
if (pparam->name().empty())
{
text = root->name();
}
else
{
text = _gmx_sel_lexer_get_text(scanner, pparam->location());
}
std::string message
= formatString("'%s' should be followed by a value/expression",
text.c_str());
GMX_THROW(InvalidInputError(message));
}
/* Process the values for the parameter */
convert_const_values(pparam->values_.get());
convert_values(pparam->values_.get(), oparam->val.type, scanner);
if (oparam->val.type == NO_VALUE)
{
parse_values_bool(pparam->name(), pparam->values(), oparam, scanner);
}
else if (oparam->flags & SPAR_RANGES)
{
parse_values_range(pparam->values(), oparam, scanner);
}
else if (oparam->flags & SPAR_VARNUM)
{
if (pparam->values().size() == 1
&& pparam->values().front().hasExpressionValue())
{
parse_values_varnum_expr(pparam->values(), oparam, root, scanner);
}
else
{
parse_values_varnum(pparam->values(), oparam, root, scanner);
}
}
else if (oparam->flags & SPAR_ENUMVAL)
{
parse_values_enum(pparam->values(), oparam, scanner);
}
else
{
parse_values_std(pparam->values(), oparam, root, scanner);
}
}
catch (UserInputError &ex)
{
if (!pparam->name().empty())
{
std::string text(_gmx_sel_lexer_get_text(scanner, pparam->location()));
ex.prependContext(formatString("In '%s'", text.c_str()));
}
errors.addCurrentExceptionAsNested();
}
}
/* Check that all required parameters are present */
for (int i = 0; i < nparam; ++i)
{
if (!(params[i].flags & SPAR_OPTIONAL) && !(params[i].flags & SPAR_SET))
{
std::string message;
if (params[i].name == NULL)
{
message = formatString("'%s' should be followed by a value/expression",
root->name().c_str());
}
else
{
message = formatString("'%s' is missing", params[i].name);
}
InvalidInputError ex(message);
errors.addNested(ex);
}
}
if (errors.hasNestedExceptions())
{
GMX_THROW(InvalidInputError(errors));
}
}