Improve selection error messages (use exceptions)

[alexxy/gromacs.git] / src / gromacs / selection / keywords.h

diff --git a/src/gromacs/selection/keywords.h b/src/gromacs/selection/keywords.h
index 9401bd629c0fc1ee19de397b451b3ad3e743cada..eb503a7e7e9d4350fc817b200e758a9445edd8c8 100644 (file)
--- a/src/gromacs/selection/keywords.h
+++ b/src/gromacs/selection/keywords.h
@@ -78,7 +78,7 @@ _gmx_selelem_set_kwstr_match_type(const gmx::SelectionTreeElementPointer &sel,
                                   gmx::SelectionStringMatchType           matchType);
 
 /** Does custom processing for parameters of the \c same selection method. */
-int
+void
 _gmx_selelem_custom_init_same(struct gmx_ana_selmethod_t                    **method,
                               const gmx::SelectionParserParameterListPointer &params,
                               void                                           *scanner);
@@ -89,7 +89,7 @@ _gmx_selelem_custom_init_same(struct gmx_ana_selmethod_t                    **me
  * \param[in]   method  Keyword selection method to evaluate.
  * \param[in]   child   The group/positions to evaluate \p method in.
  * \param[in]   scanner Scanner data structure.
- * \returns     Pointer to the created selection element (NULL on error).
+ * \returns     Pointer to the created selection element.
  *
  * Creates a \ref SEL_EXPRESSION selection element that evaluates the keyword
  * method given by \p method in the group/positions given by \p child.