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*
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*
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*
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/*! \internal \file
* \brief Internal header file used by the selection tokenizer.
*
- * \author Teemu Murtola <teemu.murtola@cbr.su.se>
+ * \author Teemu Murtola <teemu.murtola@gmail.com>
* \ingroup module_selection
*/
#ifndef SELECTION_SCANNER_INTERNAL_H
#define SELECTION_SCANNER_INTERNAL_H
-namespace gmx
-{
-class MessageStringCollector;
-}
+#include <boost/exception_ptr.hpp>
#include "parser.h"
-/** The scanning function generated by Flex. */
-#define YY_DECL int _gmx_sel_yylex(YYSTYPE *yylval, yyscan_t yyscanner)
-YY_DECL;
+namespace gmx
+{
+class SelectionParserSymbol;
+class TextWriter;
+}
/* These need to be defined before including scanner_flex.h, because it
* uses YY_EXTRA_TYPE. But we also need to include it before defining
{
//! Selection collection to put parsed selections in.
struct gmx_ana_selcollection_t *sc;
- //! Error reporter object.
- gmx::MessageStringCollector *errors;
+ //! Stores an exception that occurred during parsing.
+ boost::exception_ptr exception;
//! Whether external index groups have been set.
bool bGroups;
//! External index groups for resolving \c group keywords.
//! Number of selections at which the parser should stop.
int nexpsel;
- //! Whether the parser is interactive.
- bool bInteractive;
- //! Current input string (line) for an interactive scanner.
- char *inputstr;
- //! Number of bytes allocated for \a inputstr.
- int nalloc_input;
+ //! Writer to use for status output (if not NULL, parser is interactive).
+ gmx::TextWriter *statusWriter;
//! Pretty-printed version of the string parsed since last clear.
char *pselstr;
int pslen;
//! Number of bytes allocated for \a pselstr.
int nalloc_psel;
+ /*! \brief
+ * Position of the result of the current Bison action.
+ *
+ * This identifies the part of \a pselstr that corresponds to the
+ * subselection that is currently being reduced by Bison.
+ */
+ gmx::SelectionLocation currentLocation;
//! Stack of methods in which parameters should be looked up.
struct gmx_ana_selmethod_t **mstack;
*
* Only used when \p nextparam is NULL.
*/
- struct gmx_ana_selmethod_t *nextmethod;
+ const gmx::SelectionParserSymbol *nextMethodSymbol;
//! Used to track whether the previous token was a position modifier.
- int prev_pos_kw;
+ int prev_pos_kw;
//! Whether the 'of' keyword is acceptable as the next token.
bool bMatchOf;
* we cannot have them here as parameter names... */
/** Internal function for cases where several tokens need to be returned. */
int
-_gmx_sel_lexer_process_pending(YYSTYPE *, gmx_sel_lexer_t *state);
+_gmx_sel_lexer_process_pending(YYSTYPE *, YYLTYPE *, gmx_sel_lexer_t *state);
/** Internal function that processes identifier tokens. */
int
-_gmx_sel_lexer_process_identifier(YYSTYPE *, char *, size_t,
- gmx_sel_lexer_t *state);
+ _gmx_sel_lexer_process_identifier(YYSTYPE *, YYLTYPE *, char *, size_t,
+ gmx_sel_lexer_t *state);
/** Internal function to add a token to the pretty-printed selection text. */
void
-_gmx_sel_lexer_add_token(const char *str, int len, gmx_sel_lexer_t *state);
+_gmx_sel_lexer_add_token(YYLTYPE *, const char *str, int len, gmx_sel_lexer_t *state);
#endif
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