struct symtab;
+#include "vec.h"
+
+/* Flags to pass to decode_line_1 and decode_line_full. */
+
+enum decode_line_flags
+ {
+ /* Set this flag if you want the resulting SALs to describe the
+ first line of indicated functions. */
+ DECODE_LINE_FUNFIRSTLINE = 1,
+
+ /* Set this flag if you want "list mode". In this mode, a
+ FILE:LINE linespec will always return a result, and such
+ linespecs will not be expanded to all matches. */
+ DECODE_LINE_LIST_MODE = 2
+ };
+
+/* decode_line_full returns a vector of these. */
+
+struct linespec_sals
+{
+ /* This is the linespec corresponding to the sals contained in this
+ object. It can be passed as the FILTER argument to future calls
+ to decode_line_full. This is freed by
+ destroy_linespec_result. */
+ char *canonical;
+
+ /* Sals. The 'sals' field is destroyed by
+ destroy_linespec_result. */
+ struct symtabs_and_lines sals;
+};
+
+typedef struct linespec_sals linespec_sals;
+DEF_VEC_O (linespec_sals);
+
/* An instance of this may be filled in by decode_line_1. The caller
- must call init_linespec_result to initialize it. */
+ must call init_linespec_result to initialize it and
+ destroy_linespec_result to destroy it. The caller must make copies
+ of any data that it needs to keep. */
struct linespec_result
{
display mechanism would do the wrong thing. */
int special_display;
- /* If non-NULL, an array of canonical names for returned
- symtab_and_line objects. The array has as many elements as the
- `nelts' field in the symtabs_and_line returned by decode_line_1.
- An element in the array may be NULL. The array and each non-NULL
- element in it are allocated with xmalloc and must be freed by the
- caller. */
- char **canonical;
+ /* If non-zero, the linespec result should be considered to be a
+ "pre-expanded" multi-location linespec. A pre-expanded linespec
+ holds all matching locations in a single linespec_sals
+ object. */
+ int pre_expanded;
+
+ /* If PRE_EXPANDED is non-zero, this is set to the linespec entered
+ by the user. This will be freed by destroy_linespec_result. */
+ char *addr_string;
+
+ /* The sals. The vector will be freed by
+ destroy_linespec_result. */
+ VEC (linespec_sals) *sals;
};
/* Initialize a linespec_result. */
extern void init_linespec_result (struct linespec_result *);
+/* Destroy a linespec_result. */
+
+extern void destroy_linespec_result (struct linespec_result *);
+
+/* Return a cleanup that destroys a linespec_result. */
+
+extern struct cleanup *
+ make_cleanup_destroy_linespec_result (struct linespec_result *);
+
extern struct symtabs_and_lines
- decode_line_1 (char **argptr, int funfirstline,
- struct symtab *default_symtab, int default_line,
- struct linespec_result *canonical);
+ decode_line_1 (char **argptr, int flags,
+ struct symtab *default_symtab, int default_line);
+
+/* Parse *ARGPTR as a linespec and return results. This is the "full"
+ interface to this module, which handles multiple results
+ properly.
+
+ For FLAGS, see decode_line_flags. DECODE_LINE_LIST_MODE is not
+ valid for this function.
+
+ DEFAULT_SYMTAB and DEFAULT_LINE describe the default location.
+ DEFAULT_SYMTAB can be NULL, in which case the current symtab and
+ line are used.
+
+ CANONICAL is where the results are stored. It must not be NULL.
+
+ SELECT_MODE must be one of the multiple_symbols_* constants, or
+ NULL. It determines how multiple results will be handled. If
+ NULL, the appropriate CLI value will be used.
+
+ FILTER can either be NULL or a string holding a canonical name.
+ This is only valid when SELECT_MODE is multiple_symbols_all.
+
+ Multiple results are handled differently depending on the
+ arguments:
+
+ . With multiple_symbols_cancel, an exception is thrown.
+
+ . With multiple_symbols_ask, a menu is presented to the user. The
+ user may select none, in which case an exception is thrown; or all,
+ which is handled like multiple_symbols_all, below. Otherwise,
+ CANONICAL->SALS will have one entry for each name the user chose.
+
+ . With multiple_symbols_all, CANONICAL->SALS will have a single
+ entry describing all the matching locations. If FILTER is
+ non-NULL, then only locations whose canonical name is equal (in the
+ strcmp sense) to FILTER will be returned; all others will be
+ filtered out. */
+
+extern void decode_line_full (char **argptr, int flags,
+ struct symtab *default_symtab, int default_line,
+ struct linespec_result *canonical,
+ const char *select_mode,
+ const char *filter);
#endif /* defined (LINESPEC_H) */
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