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143 lines
4.9 KiB
C
143 lines
4.9 KiB
C
/* Header for GDB line completion.
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Copyright (C) 2000, 2007-2012 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#if !defined (LINESPEC_H)
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#define LINESPEC_H 1
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struct symtab;
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#include "vec.h"
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/* Flags to pass to decode_line_1 and decode_line_full. */
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enum decode_line_flags
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{
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/* Set this flag if you want the resulting SALs to describe the
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first line of indicated functions. */
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DECODE_LINE_FUNFIRSTLINE = 1,
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/* Set this flag if you want "list mode". In this mode, a
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FILE:LINE linespec will always return a result, and such
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linespecs will not be expanded to all matches. */
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DECODE_LINE_LIST_MODE = 2
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};
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/* decode_line_full returns a vector of these. */
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struct linespec_sals
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{
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/* This is the linespec corresponding to the sals contained in this
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object. It can be passed as the FILTER argument to future calls
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to decode_line_full. This is freed by
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destroy_linespec_result. */
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char *canonical;
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/* Sals. The 'sals' field is destroyed by
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destroy_linespec_result. */
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struct symtabs_and_lines sals;
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};
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typedef struct linespec_sals linespec_sals;
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DEF_VEC_O (linespec_sals);
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/* An instance of this may be filled in by decode_line_1. The caller
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must call init_linespec_result to initialize it and
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destroy_linespec_result to destroy it. The caller must make copies
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of any data that it needs to keep. */
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struct linespec_result
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{
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/* If non-zero, the linespec should be displayed to the user. This
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is used by "unusual" linespecs where the ordinary `info break'
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display mechanism would do the wrong thing. */
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int special_display;
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/* If non-zero, the linespec result should be considered to be a
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"pre-expanded" multi-location linespec. A pre-expanded linespec
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holds all matching locations in a single linespec_sals
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object. */
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int pre_expanded;
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/* If PRE_EXPANDED is non-zero, this is set to the linespec entered
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by the user. This will be freed by destroy_linespec_result. */
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char *addr_string;
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/* The sals. The vector will be freed by
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destroy_linespec_result. */
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VEC (linespec_sals) *sals;
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};
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/* Initialize a linespec_result. */
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extern void init_linespec_result (struct linespec_result *);
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/* Destroy a linespec_result. */
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extern void destroy_linespec_result (struct linespec_result *);
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/* Return a cleanup that destroys a linespec_result. */
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extern struct cleanup *
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make_cleanup_destroy_linespec_result (struct linespec_result *);
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extern struct symtabs_and_lines
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decode_line_1 (char **argptr, int flags,
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struct symtab *default_symtab, int default_line);
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/* Parse *ARGPTR as a linespec and return results. This is the "full"
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interface to this module, which handles multiple results
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properly.
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For FLAGS, see decode_line_flags. DECODE_LINE_LIST_MODE is not
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valid for this function.
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DEFAULT_SYMTAB and DEFAULT_LINE describe the default location.
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DEFAULT_SYMTAB can be NULL, in which case the current symtab and
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line are used.
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CANONICAL is where the results are stored. It must not be NULL.
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SELECT_MODE must be one of the multiple_symbols_* constants, or
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NULL. It determines how multiple results will be handled. If
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NULL, the appropriate CLI value will be used.
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FILTER can either be NULL or a string holding a canonical name.
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This is only valid when SELECT_MODE is multiple_symbols_all.
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Multiple results are handled differently depending on the
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arguments:
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. With multiple_symbols_cancel, an exception is thrown.
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. With multiple_symbols_ask, a menu is presented to the user. The
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user may select none, in which case an exception is thrown; or all,
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which is handled like multiple_symbols_all, below. Otherwise,
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CANONICAL->SALS will have one entry for each name the user chose.
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. With multiple_symbols_all, CANONICAL->SALS will have a single
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entry describing all the matching locations. If FILTER is
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non-NULL, then only locations whose canonical name is equal (in the
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strcmp sense) to FILTER will be returned; all others will be
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filtered out. */
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extern void decode_line_full (char **argptr, int flags,
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struct symtab *default_symtab, int default_line,
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struct linespec_result *canonical,
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const char *select_mode,
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const char *filter);
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#endif /* defined (LINESPEC_H) */
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