/* Parser for linespec for the GNU debugger, GDB.
- Copyright (C) 1986-2017 Free Software Foundation, Inc.
+ Copyright (C) 1986-2019 Free Software Foundation, Inc.
This file is part of GDB.
#include "ada-lang.h"
#include "stack.h"
#include "location.h"
-#include "common/function-view.h"
+#include "gdbsupport/function-view.h"
+#include "gdbsupport/def-vector.h"
+#include <algorithm>
-typedef struct symbol *symbolp;
-DEF_VEC_P (symbolp);
+/* An enumeration of the various things a user might attempt to
+ complete for a linespec location. */
-typedef struct type *typep;
-DEF_VEC_P (typep);
+enum class linespec_complete_what
+{
+ /* Nothing, no possible completion. */
+ NOTHING,
+
+ /* A function/method name. Due to ambiguity between
+
+ (gdb) b source[TAB]
+ source_file.c
+ source_function
+
+ this can also indicate a source filename, iff we haven't seen a
+ separate source filename component, as in "b source.c:function". */
+ FUNCTION,
+
+ /* A label symbol. E.g., break file.c:function:LABEL. */
+ LABEL,
+
+ /* An expression. E.g., "break foo if EXPR", or "break *EXPR". */
+ EXPRESSION,
+
+ /* A linespec keyword ("if"/"thread"/"task").
+ E.g., "break func threa<tab>". */
+ KEYWORD,
+};
/* An address entry is used to ensure that any given location is only
added to the result a single time. It holds an address and the
CORE_ADDR addr;
};
-typedef struct bound_minimal_symbol bound_minimal_symbol_d;
-
-DEF_VEC_O (bound_minimal_symbol_d);
-
/* A linespec. Elements of this structure are filled in by a parser
(either parse_linespec or some other function). The structure is
then converted into SALs by convert_linespec_to_sals. */
be NULL. If explicit.SOURCE_FILENAME is NULL (no user-specified
filename), FILE_SYMTABS should contain one single NULL member. This
will cause the code to use the default symtab. */
- VEC (symtab_ptr) *file_symtabs;
+ std::vector<symtab *> *file_symtabs;
/* A list of matching function symbols and minimal symbols. Both lists
- may be NULL if no matching symbols were found. */
- VEC (symbolp) *function_symbols;
- VEC (bound_minimal_symbol_d) *minimal_symbols;
+ may be NULL (or empty) if no matching symbols were found. */
+ std::vector<block_symbol> *function_symbols;
+ std::vector<bound_minimal_symbol> *minimal_symbols;
/* A structure of matching label symbols and the corresponding
function symbol in which the label was found. Both may be NULL
or both must be non-NULL. */
struct
{
- VEC (symbolp) *label_symbols;
- VEC (symbolp) *function_symbols;
+ std::vector<block_symbol> *label_symbols;
+ std::vector<block_symbol> *function_symbols;
} labels;
};
typedef struct linespec *linespec_p;
/* The 'canonical' value passed to decode_line_full, or NULL. */
struct linespec_result *canonical;
- /* Canonical strings that mirror the symtabs_and_lines result. */
+ /* Canonical strings that mirror the std::vector<symtab_and_line> result. */
struct linespec_canonical_name *canonical_names;
/* This is a set of address_entry objects which is used to prevent
struct linespec_state *state;
/* A list of symtabs to which to restrict matches. */
- VEC (symtab_ptr) *file_symtabs;
+ std::vector<symtab *> *file_symtabs;
/* The result being accumulated. */
struct
{
- VEC (symbolp) *symbols;
- VEC (bound_minimal_symbol_d) *minimal_symbols;
+ std::vector<block_symbol> *symbols;
+ std::vector<bound_minimal_symbol> *minimal_symbols;
} result;
/* Possibly add a symbol to the results. */
- bool add_symbol (symbol *sym);
+ virtual bool add_symbol (block_symbol *bsym);
};
bool
-collect_info::add_symbol (symbol *sym)
+collect_info::add_symbol (block_symbol *bsym)
{
/* In list mode, add all matching symbols, regardless of class.
This allows the user to type "list a_global_variable". */
- if (SYMBOL_CLASS (sym) == LOC_BLOCK || this->state->list_mode)
- VEC_safe_push (symbolp, this->result.symbols, sym);
+ if (SYMBOL_CLASS (bsym->symbol) == LOC_BLOCK || this->state->list_mode)
+ this->result.symbols->push_back (*bsym);
/* Continue iterating. */
return true;
}
+/* Custom collect_info for symbol_searcher. */
+
+struct symbol_searcher_collect_info
+ : collect_info
+{
+ bool add_symbol (block_symbol *bsym) override
+ {
+ /* Add everything. */
+ this->result.symbols->push_back (*bsym);
+
+ /* Continue iterating. */
+ return true;
+ }
+};
+
/* Token types */
enum ls_token_type
};
typedef enum ls_token_type linespec_token_type;
-/* List of keywords */
-
-static const char * const linespec_keywords[] = { "if", "thread", "task" };
+/* List of keywords. This is NULL-terminated so that it can be used
+ as enum completer. */
+const char * const linespec_keywords[] = { "if", "thread", "task", NULL };
#define IF_KEYWORD_INDEX 0
/* A token of the linespec lexer */
/* An instance of the linespec parser. */
-struct ls_parser
+struct linespec_parser
{
+ linespec_parser (int flags, const struct language_defn *language,
+ struct program_space *search_pspace,
+ struct symtab *default_symtab,
+ int default_line,
+ struct linespec_result *canonical);
+
+ ~linespec_parser ();
+
+ DISABLE_COPY_AND_ASSIGN (linespec_parser);
+
/* Lexer internal data */
struct
{
/* The current token. */
linespec_token current;
- } lexer;
+ } lexer {};
/* Is the entire linespec quote-enclosed? */
- int is_quote_enclosed;
+ int is_quote_enclosed = 0;
/* The state of the parse. */
- struct linespec_state state;
+ struct linespec_state state {};
#define PARSER_STATE(PPTR) (&(PPTR)->state)
/* The result of the parse. */
- struct linespec result;
+ struct linespec result {};
#define PARSER_RESULT(PPTR) (&(PPTR)->result)
+
+ /* What the parser believes the current word point should complete
+ to. */
+ linespec_complete_what complete_what = linespec_complete_what::NOTHING;
+
+ /* The completion word point. The parser advances this as it skips
+ tokens. At some point the input string will end or parsing will
+ fail, and then we attempt completion at the captured completion
+ word point, interpreting the string at completion_word as
+ COMPLETE_WHAT. */
+ const char *completion_word = nullptr;
+
+ /* If the current token was a quoted string, then this is the
+ quoting character (either " or '). */
+ int completion_quote_char = 0;
+
+ /* If the current token was a quoted string, then this points at the
+ end of the quoted string. */
+ const char *completion_quote_end = nullptr;
+
+ /* If parsing for completion, then this points at the completion
+ tracker. Otherwise, this is NULL. */
+ struct completion_tracker *completion_tracker = nullptr;
};
-typedef struct ls_parser linespec_parser;
/* A convenience macro for accessing the explicit location result of
the parser. */
/* Prototypes for local functions. */
static void iterate_over_file_blocks
- (struct symtab *symtab, const char *name, domain_enum domain,
+ (struct symtab *symtab, const lookup_name_info &name,
+ domain_enum domain,
gdb::function_view<symbol_found_callback_ftype> callback);
static void initialize_defaults (struct symtab **default_symtab,
CORE_ADDR linespec_expression_to_pc (const char **exp_ptr);
-static struct symtabs_and_lines decode_objc (struct linespec_state *self,
- linespec_p ls,
- const char *arg);
+static std::vector<symtab_and_line> decode_objc (struct linespec_state *self,
+ linespec_p ls,
+ const char *arg);
-static VEC (symtab_ptr) *symtabs_from_filename (const char *,
- struct program_space *pspace);
+static std::vector<symtab *> symtabs_from_filename
+ (const char *, struct program_space *pspace);
-static VEC (symbolp) *find_label_symbols (struct linespec_state *self,
- VEC (symbolp) *function_symbols,
- VEC (symbolp) **label_funcs_ret,
- const char *name);
+static std::vector<block_symbol> *find_label_symbols
+ (struct linespec_state *self, std::vector<block_symbol> *function_symbols,
+ std::vector<block_symbol> *label_funcs_ret, const char *name,
+ bool completion_mode = false);
static void find_linespec_symbols (struct linespec_state *self,
- VEC (symtab_ptr) *file_symtabs,
+ std::vector<symtab *> *file_symtabs,
const char *name,
- VEC (symbolp) **symbols,
- VEC (bound_minimal_symbol_d) **minsyms);
+ symbol_name_match_type name_match_type,
+ std::vector<block_symbol> *symbols,
+ std::vector<bound_minimal_symbol> *minsyms);
static struct line_offset
linespec_parse_variable (struct linespec_state *self,
int funfirstline, struct symbol *sym);
static void add_matching_symbols_to_info (const char *name,
+ symbol_name_match_type name_match_type,
+ enum search_domain search_domain,
struct collect_info *info,
struct program_space *pspace);
-static void add_all_symbol_names_from_pspace (struct collect_info *info,
- struct program_space *pspace,
- VEC (const_char_ptr) *names);
+static void add_all_symbol_names_from_pspace
+ (struct collect_info *info, struct program_space *pspace,
+ const std::vector<const char *> &names, enum search_domain search_domain);
-static VEC (symtab_ptr) *
+static std::vector<symtab *>
collect_symtabs_from_filename (const char *file,
struct program_space *pspace);
-static void decode_digits_ordinary (struct linespec_state *self,
- linespec_p ls,
- int line,
- struct symtabs_and_lines *sals,
- struct linetable_entry **best_entry);
+static std::vector<symtab_and_line> decode_digits_ordinary
+ (struct linespec_state *self,
+ linespec_p ls,
+ int line,
+ linetable_entry **best_entry);
-static void decode_digits_list_mode (struct linespec_state *self,
- linespec_p ls,
- struct symtabs_and_lines *values,
- struct symtab_and_line val);
+static std::vector<symtab_and_line> decode_digits_list_mode
+ (struct linespec_state *self,
+ linespec_p ls,
+ struct symtab_and_line val);
static void minsym_found (struct linespec_state *self, struct objfile *objfile,
struct minimal_symbol *msymbol,
- struct symtabs_and_lines *result);
+ std::vector<symtab_and_line> *result);
-static int compare_symbols (const void *a, const void *b);
+static bool compare_symbols (const block_symbol &a, const block_symbol &b);
-static int compare_msymbols (const void *a, const void *b);
+static bool compare_msymbols (const bound_minimal_symbol &a,
+ const bound_minimal_symbol &b);
/* Permitted quote characters for the parser. This is different from the
completer's quote characters to allow backward compatibility with the
if (p != NULL)
{
- for (i = 0; i < ARRAY_SIZE (linespec_keywords); ++i)
+ for (i = 0; linespec_keywords[i] != NULL; ++i)
{
int len = strlen (linespec_keywords[i]);
if (i != IF_KEYWORD_INDEX)
{
p += len;
- p = skip_spaces_const (p);
- for (j = 0; j < ARRAY_SIZE (linespec_keywords); ++j)
+ p = skip_spaces (p);
+ for (j = 0; linespec_keywords[j] != NULL; ++j)
{
int nextlen = strlen (linespec_keywords[j]);
/* Make a writable copy of the string given in TOKEN, trimming
any trailing whitespace. */
-static char *
+static gdb::unique_xmalloc_ptr<char>
copy_token_string (linespec_token token)
{
- char *str, *s;
+ const char *str, *s;
if (token.type == LSTOKEN_KEYWORD)
- return xstrdup (LS_TOKEN_KEYWORD (token));
+ return make_unique_xstrdup (LS_TOKEN_KEYWORD (token));
- str = savestring (LS_TOKEN_STOKEN (token).ptr,
- LS_TOKEN_STOKEN (token).length);
+ str = LS_TOKEN_STOKEN (token).ptr;
s = remove_trailing_whitespace (str, str + LS_TOKEN_STOKEN (token).length);
- *s = '\0';
- return str;
+ return gdb::unique_xmalloc_ptr<char> (savestring (str, s - str));
}
/* Does P represent the end of a quote-enclosed linespec? */
return p;
}
+/* If the [STRING, STRING_LEN) string ends with what looks like a
+ keyword, return the keyword start offset in STRING. Return -1
+ otherwise. */
+
+static size_t
+string_find_incomplete_keyword_at_end (const char * const *keywords,
+ const char *string, size_t string_len)
+{
+ const char *end = string + string_len;
+ const char *p = end;
+
+ while (p > string && *p != ' ')
+ --p;
+ if (p > string)
+ {
+ p++;
+ size_t len = end - p;
+ for (size_t i = 0; keywords[i] != NULL; ++i)
+ if (strncmp (keywords[i], p, len) == 0)
+ return p - string;
+ }
+
+ return -1;
+}
/* Lex a string from the input in PARSER. */
/* Skip to the ending quote. */
end = skip_quote_char (PARSER_STREAM (parser), quote_char);
- /* Error if the input did not terminate properly. */
- if (end == NULL)
- error (_("unmatched quote"));
+ /* This helps the completer mode decide whether we have a
+ complete string. */
+ parser->completion_quote_char = quote_char;
+ parser->completion_quote_end = end;
- /* Skip over the ending quote and mark the length of the string. */
- PARSER_STREAM (parser) = (char *) ++end;
- LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - 2 - start;
+ /* Error if the input did not terminate properly, unless in
+ completion mode. */
+ if (end == NULL)
+ {
+ if (parser->completion_tracker == NULL)
+ error (_("unmatched quote"));
+
+ /* In completion mode, we'll try to complete the incomplete
+ token. */
+ token.type = LSTOKEN_STRING;
+ while (*PARSER_STREAM (parser) != '\0')
+ PARSER_STREAM (parser)++;
+ LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - 1 - start;
+ }
+ else
+ {
+ /* Skip over the ending quote and mark the length of the string. */
+ PARSER_STREAM (parser) = (char *) ++end;
+ LS_TOKEN_STOKEN (token).length = PARSER_STREAM (parser) - 2 - start;
+ }
}
else
{
{
if (isspace (*PARSER_STREAM (parser)))
{
- p = skip_spaces_const (PARSER_STREAM (parser));
+ p = skip_spaces (PARSER_STREAM (parser));
/* When we get here we know we've found something followed by
a space (we skip over parens and templates below).
So if we find a keyword now, we know it is a keyword and not,
if (PARSER_STREAM (parser)[1] == ':')
++(PARSER_STREAM (parser));
+ /* Do not tokenize ABI tags such as "[abi:cxx11]". */
+ else if (PARSER_STREAM (parser) - start > 4
+ && startswith (PARSER_STREAM (parser) - 4, "[abi"))
+ {
+ /* Nothing. */
+ }
+
/* Do not tokenify if the input length so far is one
(i.e, a single-letter drive name) and the next character
is a directory separator. This allows Windows-style
else if (*PARSER_STREAM (parser) == '<'
|| *PARSER_STREAM (parser) == '(')
{
- const char *p;
+ /* Don't interpret 'operator<' / 'operator<<' as a
+ template parameter list though. */
+ if (*PARSER_STREAM (parser) == '<'
+ && (PARSER_STATE (parser)->language->la_language
+ == language_cplus)
+ && (PARSER_STREAM (parser) - start) >= CP_OPERATOR_LEN)
+ {
+ const char *op = PARSER_STREAM (parser);
+
+ while (op > start && isspace (op[-1]))
+ op--;
+ if (op - start >= CP_OPERATOR_LEN)
+ {
+ op -= CP_OPERATOR_LEN;
+ if (strncmp (op, CP_OPERATOR_STR, CP_OPERATOR_LEN) == 0
+ && (op == start
+ || !(isalnum (op[-1]) || op[-1] == '_')))
+ {
+ /* This is an operator name. Keep going. */
+ ++(PARSER_STREAM (parser));
+ if (*PARSER_STREAM (parser) == '<')
+ ++(PARSER_STREAM (parser));
+ continue;
+ }
+ }
+ }
+
+ const char *end = find_parameter_list_end (PARSER_STREAM (parser));
+ PARSER_STREAM (parser) = end;
- p = find_parameter_list_end (PARSER_STREAM (parser));
- if (p != NULL)
+ /* Don't loop around to the normal \0 case above because
+ we don't want to misinterpret a potential keyword at
+ the end of the token when the string isn't
+ "()<>"-balanced. This handles "b
+ function(thread<tab>" in completion mode. */
+ if (*end == '\0')
{
- PARSER_STREAM (parser) = p;
- continue;
+ LS_TOKEN_STOKEN (token).ptr = start;
+ LS_TOKEN_STOKEN (token).length
+ = PARSER_STREAM (parser) - start;
+ return token;
}
+ else
+ continue;
}
/* Commas are terminators, but not if they are part of an
operator name. */
{
if ((PARSER_STATE (parser)->language->la_language
== language_cplus)
- && (PARSER_STREAM (parser) - start) > 8
- /* strlen ("operator") */)
+ && (PARSER_STREAM (parser) - start) > CP_OPERATOR_LEN)
{
- const char *p = strstr (start, "operator");
+ const char *op = strstr (start, CP_OPERATOR_STR);
- if (p != NULL && is_operator_name (p))
+ if (op != NULL && is_operator_name (op))
{
/* This is an operator name. Keep going. */
++(PARSER_STREAM (parser));
}
/* Advance the stream. */
+ gdb_assert (*(PARSER_STREAM (parser)) != '\0');
++(PARSER_STREAM (parser));
}
}
if (parser->lexer.current.type == LSTOKEN_CONSUMED)
{
/* Skip any whitespace. */
- PARSER_STREAM (parser) = skip_spaces_const (PARSER_STREAM (parser));
+ PARSER_STREAM (parser) = skip_spaces (PARSER_STREAM (parser));
/* Check for a keyword, they end the linespec. */
keyword = linespec_lexer_lex_keyword (PARSER_STREAM (parser));
}
/* Consume the current token and return the next token in PARSER's
- input stream. */
+ input stream. Also advance the completion word for completion
+ mode. */
static linespec_token
linespec_lexer_consume_token (linespec_parser *parser)
{
+ gdb_assert (parser->lexer.current.type != LSTOKEN_EOI);
+
+ bool advance_word = (parser->lexer.current.type != LSTOKEN_STRING
+ || *PARSER_STREAM (parser) != '\0');
+
+ /* If we're moving past a string to some other token, it must be the
+ quote was terminated. */
+ if (parser->completion_quote_char)
+ {
+ gdb_assert (parser->lexer.current.type == LSTOKEN_STRING);
+
+ /* If the string was the last (non-EOI) token, we're past the
+ quote, but remember that for later. */
+ if (*PARSER_STREAM (parser) != '\0')
+ {
+ parser->completion_quote_char = '\0';
+ parser->completion_quote_end = NULL;;
+ }
+ }
+
parser->lexer.current.type = LSTOKEN_CONSUMED;
- return linespec_lexer_lex_one (parser);
+ linespec_lexer_lex_one (parser);
+
+ if (parser->lexer.current.type == LSTOKEN_STRING)
+ {
+ /* Advance the completion word past a potential initial
+ quote-char. */
+ parser->completion_word = LS_TOKEN_STOKEN (parser->lexer.current).ptr;
+ }
+ else if (advance_word)
+ {
+ /* Advance the completion word past any whitespace. */
+ parser->completion_word = PARSER_STREAM (parser);
+ }
+
+ return parser->lexer.current;
}
/* Return the next token without consuming the current token. */
linespec_token next;
const char *saved_stream = PARSER_STREAM (parser);
linespec_token saved_token = parser->lexer.current;
+ int saved_completion_quote_char = parser->completion_quote_char;
+ const char *saved_completion_quote_end = parser->completion_quote_end;
+ const char *saved_completion_word = parser->completion_word;
next = linespec_lexer_consume_token (parser);
PARSER_STREAM (parser) = saved_stream;
parser->lexer.current = saved_token;
+ parser->completion_quote_char = saved_completion_quote_char;
+ parser->completion_quote_end = saved_completion_quote_end;
+ parser->completion_word = saved_completion_word;
return next;
}
/* Helper functions. */
-/* Add SAL to SALS. */
-
-static void
-add_sal_to_sals_basic (struct symtabs_and_lines *sals,
- struct symtab_and_line *sal)
-{
- ++sals->nelts;
- sals->sals = XRESIZEVEC (struct symtab_and_line, sals->sals, sals->nelts);
- sals->sals[sals->nelts - 1] = *sal;
-}
-
/* Add SAL to SALS, and also update SELF->CANONICAL_NAMES to reflect
the new sal, if needed. If not NULL, SYMNAME is the name of the
symbol to use when constructing the new canonical name.
static void
add_sal_to_sals (struct linespec_state *self,
- struct symtabs_and_lines *sals,
+ std::vector<symtab_and_line> *sals,
struct symtab_and_line *sal,
const char *symname, int literal_canonical)
{
- add_sal_to_sals_basic (sals, sal);
+ sals->push_back (*sal);
if (self->canonical)
{
struct linespec_canonical_name *canonical;
self->canonical_names = XRESIZEVEC (struct linespec_canonical_name,
- self->canonical_names, sals->nelts);
- canonical = &self->canonical_names[sals->nelts - 1];
+ self->canonical_names,
+ sals->size ());
+ canonical = &self->canonical_names[sals->size () - 1];
if (!literal_canonical && sal->symtab)
{
symtab_to_fullname (sal->symtab);
static void
iterate_over_all_matching_symtabs
- (struct linespec_state *state, const char *name, const domain_enum domain,
+ (struct linespec_state *state,
+ const lookup_name_info &lookup_name,
+ const domain_enum name_domain,
+ enum search_domain search_domain,
struct program_space *search_pspace, bool include_inline,
gdb::function_view<symbol_found_callback_ftype> callback)
{
- struct objfile *objfile;
struct program_space *pspace;
- /* The routine to be used for comparison. */
- symbol_name_cmp_ftype symbol_name_cmp
- = (state->language->la_get_symbol_name_cmp != NULL
- ? state->language->la_get_symbol_name_cmp (name)
- : strcmp_iw);
-
ALL_PSPACES (pspace)
{
if (search_pspace != NULL && search_pspace != pspace)
set_current_program_space (pspace);
- ALL_OBJFILES (objfile)
- {
- struct compunit_symtab *cu;
-
- if (objfile->sf)
- objfile->sf->qf->expand_symtabs_matching
- (objfile,
- NULL,
- [&] (const char *symbol_name)
- {
- return symbol_name_cmp (symbol_name, name) == 0;
- },
- NULL,
- ALL_DOMAIN);
-
- ALL_OBJFILE_COMPUNITS (objfile, cu)
- {
- struct symtab *symtab = COMPUNIT_FILETABS (cu);
+ for (objfile *objfile : current_program_space->objfiles ())
+ {
+ if (objfile->sf)
+ objfile->sf->qf->expand_symtabs_matching (objfile,
+ NULL,
+ lookup_name,
+ NULL, NULL,
+ search_domain);
+
+ for (compunit_symtab *cu : objfile->compunits ())
+ {
+ struct symtab *symtab = COMPUNIT_FILETABS (cu);
- iterate_over_file_blocks (symtab, name, domain, callback);
+ iterate_over_file_blocks (symtab, lookup_name, name_domain,
+ callback);
- if (include_inline)
- {
- struct block *block;
- int i;
+ if (include_inline)
+ {
+ const struct block *block;
+ int i;
- for (i = FIRST_LOCAL_BLOCK;
- i < BLOCKVECTOR_NBLOCKS (SYMTAB_BLOCKVECTOR (symtab));
- i++)
- {
- block = BLOCKVECTOR_BLOCK (SYMTAB_BLOCKVECTOR (symtab), i);
- state->language->la_iterate_over_symbols
- (block, name, domain, [&] (symbol *sym)
- {
- /* Restrict calls to CALLBACK to symbols
- representing inline symbols only. */
- if (SYMBOL_INLINED (sym))
- return callback (sym);
- return true;
- });
- }
- }
- }
- }
+ for (i = FIRST_LOCAL_BLOCK;
+ i < BLOCKVECTOR_NBLOCKS (SYMTAB_BLOCKVECTOR (symtab));
+ i++)
+ {
+ block = BLOCKVECTOR_BLOCK (SYMTAB_BLOCKVECTOR (symtab), i);
+ state->language->la_iterate_over_symbols
+ (block, lookup_name, name_domain,
+ [&] (block_symbol *bsym)
+ {
+ /* Restrict calls to CALLBACK to symbols
+ representing inline symbols only. */
+ if (SYMBOL_INLINED (bsym->symbol))
+ return callback (bsym);
+ return true;
+ });
+ }
+ }
+ }
+ }
}
}
static const struct block *
get_current_search_block (void)
{
- const struct block *block;
- enum language save_language;
-
/* get_selected_block can change the current language when there is
no selected frame yet. */
- save_language = current_language->la_language;
- block = get_selected_block (0);
- set_language (save_language);
-
- return block;
+ scoped_restore_current_language save_language;
+ return get_selected_block (0);
}
/* Iterate over static and global blocks. */
static void
iterate_over_file_blocks
- (struct symtab *symtab, const char *name, domain_enum domain,
- gdb::function_view<symbol_found_callback_ftype> callback)
+ (struct symtab *symtab, const lookup_name_info &name,
+ domain_enum domain, gdb::function_view<symbol_found_callback_ftype> callback)
{
- struct block *block;
+ const struct block *block;
for (block = BLOCKVECTOR_BLOCK (SYMTAB_BLOCKVECTOR (symtab), STATIC_BLOCK);
block != NULL;
LA_ITERATE_OVER_SYMBOLS (block, name, domain, callback);
}
-/* A helper for find_method. This finds all methods in type T which
- match NAME. It adds matching symbol names to RESULT_NAMES, and
- adds T's direct superclasses to SUPERCLASSES. */
+/* A helper for find_method. This finds all methods in type T of
+ language T_LANG which match NAME. It adds matching symbol names to
+ RESULT_NAMES, and adds T's direct superclasses to SUPERCLASSES. */
static void
-find_methods (struct type *t, const char *name,
- VEC (const_char_ptr) **result_names,
- VEC (typep) **superclasses)
+find_methods (struct type *t, enum language t_lang, const char *name,
+ std::vector<const char *> *result_names,
+ std::vector<struct type *> *superclasses)
{
int ibase;
- const char *class_name = type_name_no_tag (t);
+ const char *class_name = TYPE_NAME (t);
/* Ignore this class if it doesn't have a name. This is ugly, but
unless we figure out how to get the physname without the name of
if (class_name)
{
int method_counter;
+ lookup_name_info lookup_name (name, symbol_name_match_type::FULL);
+ symbol_name_matcher_ftype *symbol_name_compare
+ = get_symbol_name_matcher (language_def (t_lang), lookup_name);
t = check_typedef (t);
--method_counter)
{
const char *method_name = TYPE_FN_FIELDLIST_NAME (t, method_counter);
- char dem_opname[64];
-
- if (startswith (method_name, "__") ||
- startswith (method_name, "op") ||
- startswith (method_name, "type"))
- {
- if (cplus_demangle_opname (method_name, dem_opname, DMGL_ANSI))
- method_name = dem_opname;
- else if (cplus_demangle_opname (method_name, dem_opname, 0))
- method_name = dem_opname;
- }
- if (strcmp_iw (method_name, name) == 0)
+ if (symbol_name_compare (method_name, lookup_name, NULL))
{
int field_counter;
if (TYPE_FN_FIELD_STUB (f, field_counter))
continue;
phys_name = TYPE_FN_FIELD_PHYSNAME (f, field_counter);
- VEC_safe_push (const_char_ptr, *result_names, phys_name);
+ result_names->push_back (phys_name);
}
}
}
}
for (ibase = 0; ibase < TYPE_N_BASECLASSES (t); ibase++)
- VEC_safe_push (typep, *superclasses, TYPE_BASECLASS (t, ibase));
+ superclasses->push_back (TYPE_BASECLASS (t, ibase));
}
/* Find an instance of the character C in the string S that is outside
of all parenthesis pairs, single-quoted strings, and double-quoted
strings. Also, ignore the char within a template name, like a ','
- within foo<int, int>. */
+ within foo<int, int>, while considering C++ operator</operator<<. */
const char *
find_toplevel_char (const char *s, char c)
depth++;
else if ((*scan == ')' || *scan == '>') && depth > 0)
depth--;
+ else if (*scan == 'o' && !quoted && depth == 0)
+ {
+ /* Handle C++ operator names. */
+ if (strncmp (scan, CP_OPERATOR_STR, CP_OPERATOR_LEN) == 0)
+ {
+ scan += CP_OPERATOR_LEN;
+ if (*scan == c)
+ return scan;
+ while (isspace (*scan))
+ {
+ ++scan;
+ if (*scan == c)
+ return scan;
+ }
+ if (*scan == '\0')
+ break;
+
+ switch (*scan)
+ {
+ /* Skip over one less than the appropriate number of
+ characters: the for loop will skip over the last
+ one. */
+ case '<':
+ if (scan[1] == '<')
+ {
+ scan++;
+ if (*scan == c)
+ return scan;
+ }
+ break;
+ case '>':
+ if (scan[1] == '>')
+ {
+ scan++;
+ if (*scan == c)
+ return scan;
+ }
+ break;
+ }
+ }
+ }
}
return 0;
}
/* Convert CANONICAL to its string representation using
- symtab_to_fullname for SYMTAB. The caller must xfree the result. */
+ symtab_to_fullname for SYMTAB. */
-static char *
+static std::string
canonical_to_fullform (const struct linespec_canonical_name *canonical)
{
if (canonical->symtab == NULL)
- return xstrdup (canonical->suffix);
+ return canonical->suffix;
else
- return xstrprintf ("%s:%s", symtab_to_fullname (canonical->symtab),
- canonical->suffix);
+ return string_printf ("%s:%s", symtab_to_fullname (canonical->symtab),
+ canonical->suffix);
}
/* Given FILTERS, a list of canonical names, filter the sals in RESULT
static void
filter_results (struct linespec_state *self,
- struct symtabs_and_lines *result,
- VEC (const_char_ptr) *filters)
+ std::vector<symtab_and_line> *result,
+ const std::vector<const char *> &filters)
{
- int i;
- const char *name;
-
- for (i = 0; VEC_iterate (const_char_ptr, filters, i, name); ++i)
+ for (const char *name : filters)
{
- struct linespec_sals lsal;
- int j;
+ linespec_sals lsal;
- memset (&lsal, 0, sizeof (lsal));
-
- for (j = 0; j < result->nelts; ++j)
+ for (size_t j = 0; j < result->size (); ++j)
{
const struct linespec_canonical_name *canonical;
- char *fullform;
- struct cleanup *cleanup;
canonical = &self->canonical_names[j];
- fullform = canonical_to_fullform (canonical);
- cleanup = make_cleanup (xfree, fullform);
-
- if (strcmp (name, fullform) == 0)
- add_sal_to_sals_basic (&lsal.sals, &result->sals[j]);
+ std::string fullform = canonical_to_fullform (canonical);
- do_cleanups (cleanup);
+ if (name == fullform)
+ lsal.sals.push_back ((*result)[j]);
}
- if (lsal.sals.nelts > 0)
+ if (!lsal.sals.empty ())
{
lsal.canonical = xstrdup (name);
- VEC_safe_push (linespec_sals, self->canonical->sals, &lsal);
+ self->canonical->lsals.push_back (std::move (lsal));
}
}
static void
convert_results_to_lsals (struct linespec_state *self,
- struct symtabs_and_lines *result)
+ std::vector<symtab_and_line> *result)
{
struct linespec_sals lsal;
lsal.canonical = NULL;
- lsal.sals = *result;
- VEC_safe_push (linespec_sals, self->canonical->sals, &lsal);
+ lsal.sals = std::move (*result);
+ self->canonical->lsals.push_back (std::move (lsal));
}
/* A structure that contains two string representations of a struct
linespec_canonical_name:
- - one where the the symtab's fullname is used;
+ - one where the symtab's fullname is used;
- one where the filename followed the "set filename-display"
setting. */
struct decode_line_2_item
{
- /* The form using symtab_to_fullname.
- It must be xfree'ed after use. */
- char *fullform;
+ decode_line_2_item (std::string &&fullform_, std::string &&displayform_,
+ bool selected_)
+ : fullform (std::move (fullform_)),
+ displayform (std::move (displayform_)),
+ selected (selected_)
+ {
+ }
- /* The form using symtab_to_filename_for_display.
- It must be xfree'ed after use. */
- char *displayform;
+ /* The form using symtab_to_fullname. */
+ std::string fullform;
+
+ /* The form using symtab_to_filename_for_display. */
+ std::string displayform;
/* Field is initialized to zero and it is set to one if the user
requested breakpoint for this entry. */
unsigned int selected : 1;
};
-/* Helper for qsort to sort decode_line_2_item entries by DISPLAYFORM and
- secondarily by FULLFORM. */
+/* Helper for std::sort to sort decode_line_2_item entries by
+ DISPLAYFORM and secondarily by FULLFORM. */
-static int
-decode_line_2_compare_items (const void *ap, const void *bp)
+static bool
+decode_line_2_compare_items (const decode_line_2_item &a,
+ const decode_line_2_item &b)
{
- const struct decode_line_2_item *a = (const struct decode_line_2_item *) ap;
- const struct decode_line_2_item *b = (const struct decode_line_2_item *) bp;
- int retval;
-
- retval = strcmp (a->displayform, b->displayform);
- if (retval != 0)
- return retval;
-
- return strcmp (a->fullform, b->fullform);
+ if (a.displayform != b.displayform)
+ return a.displayform < b.displayform;
+ return a.fullform < b.fullform;
}
/* Handle multiple results in RESULT depending on SELECT_MODE. This
static void
decode_line_2 (struct linespec_state *self,
- struct symtabs_and_lines *result,
+ std::vector<symtab_and_line> *result,
const char *select_mode)
{
- char *args, *prompt;
+ const char *args;
+ const char *prompt;
int i;
- struct cleanup *old_chain;
- VEC (const_char_ptr) *filters = NULL;
- struct decode_line_2_item *items;
- int items_count;
+ std::vector<const char *> filters;
+ std::vector<struct decode_line_2_item> items;
gdb_assert (select_mode != multiple_symbols_all);
gdb_assert (self->canonical != NULL);
- gdb_assert (result->nelts >= 1);
-
- old_chain = make_cleanup (VEC_cleanup (const_char_ptr), &filters);
+ gdb_assert (!result->empty ());
/* Prepare ITEMS array. */
- items_count = result->nelts;
- items = XNEWVEC (struct decode_line_2_item, items_count);
- make_cleanup (xfree, items);
- for (i = 0; i < items_count; ++i)
+ for (i = 0; i < result->size (); ++i)
{
const struct linespec_canonical_name *canonical;
- struct decode_line_2_item *item;
+ std::string displayform;
canonical = &self->canonical_names[i];
gdb_assert (canonical->suffix != NULL);
- item = &items[i];
- item->fullform = canonical_to_fullform (canonical);
- make_cleanup (xfree, item->fullform);
+ std::string fullform = canonical_to_fullform (canonical);
if (canonical->symtab == NULL)
- item->displayform = canonical->suffix;
+ displayform = canonical->suffix;
else
{
const char *fn_for_display;
fn_for_display = symtab_to_filename_for_display (canonical->symtab);
- item->displayform = xstrprintf ("%s:%s", fn_for_display,
- canonical->suffix);
- make_cleanup (xfree, item->displayform);
+ displayform = string_printf ("%s:%s", fn_for_display,
+ canonical->suffix);
}
- item->selected = 0;
+ items.emplace_back (std::move (fullform), std::move (displayform),
+ false);
}
/* Sort the list of method names. */
- qsort (items, items_count, sizeof (*items), decode_line_2_compare_items);
+ std::sort (items.begin (), items.end (), decode_line_2_compare_items);
/* Remove entries with the same FULLFORM. */
- if (items_count >= 2)
- {
- struct decode_line_2_item *dst, *src;
-
- dst = items;
- for (src = &items[1]; src < &items[items_count]; src++)
- if (strcmp (src->fullform, dst->fullform) != 0)
- *++dst = *src;
- items_count = dst + 1 - items;
- }
-
- if (select_mode == multiple_symbols_cancel && items_count > 1)
+ items.erase (std::unique (items.begin (), items.end (),
+ [] (const struct decode_line_2_item &a,
+ const struct decode_line_2_item &b)
+ {
+ return a.fullform == b.fullform;
+ }),
+ items.end ());
+
+ if (select_mode == multiple_symbols_cancel && items.size () > 1)
error (_("canceled because the command is ambiguous\n"
"See set/show multiple-symbol."));
- if (select_mode == multiple_symbols_all || items_count == 1)
+ if (select_mode == multiple_symbols_all || items.size () == 1)
{
- do_cleanups (old_chain);
convert_results_to_lsals (self, result);
return;
}
printf_unfiltered (_("[0] cancel\n[1] all\n"));
- for (i = 0; i < items_count; i++)
- printf_unfiltered ("[%d] %s\n", i + 2, items[i].displayform);
+ for (i = 0; i < items.size (); i++)
+ printf_unfiltered ("[%d] %s\n", i + 2, items[i].displayform.c_str ());
prompt = getenv ("PS2");
if (prompt == NULL)
{
prompt = "> ";
}
- args = command_line_input (prompt, 0, "overload-choice");
+ args = command_line_input (prompt, "overload-choice");
if (args == 0 || *args == 0)
error_no_arg (_("one or more choice numbers"));
multiple_symbols_all behavior even with the 'ask'
setting; and he can get separate breakpoints by entering
"2-57" at the query. */
- do_cleanups (old_chain);
convert_results_to_lsals (self, result);
return;
}
num -= 2;
- if (num >= items_count)
+ if (num >= items.size ())
printf_unfiltered (_("No choice number %d.\n"), num);
else
{
if (!item->selected)
{
- VEC_safe_push (const_char_ptr, filters, item->fullform);
+ filters.push_back (item->fullform.c_str ());
item->selected = 1;
}
else
}
filter_results (self, result, filters);
- do_cleanups (old_chain);
}
\f
if (token.type == LSTOKEN_STRING || token.type == LSTOKEN_NUMBER
|| token.type == LSTOKEN_KEYWORD)
{
- char *string;
-
- string = copy_token_string (token);
- make_cleanup (xfree, string);
+ gdb::unique_xmalloc_ptr<char> string = copy_token_string (token);
throw_error (GENERIC_ERROR,
_("malformed linespec error: unexpected %s, \"%s\""),
- token_type_strings[token.type], string);
+ token_type_strings[token.type], string.get ());
}
else
throw_error (GENERIC_ERROR,
throw_error (NOT_FOUND_ERROR, _("No source file named %s."), name);
}
+/* Unless at EIO, save the current stream position as completion word
+ point, and consume the next token. */
+
+static linespec_token
+save_stream_and_consume_token (linespec_parser *parser)
+{
+ if (linespec_lexer_peek_token (parser).type != LSTOKEN_EOI)
+ parser->completion_word = PARSER_STREAM (parser);
+ return linespec_lexer_consume_token (parser);
+}
+
/* See description in linespec.h. */
struct line_offset
return line_offset;
}
+/* In completion mode, if the user is still typing the number, there's
+ no possible completion to offer. But if there's already input past
+ the number, setup to expect NEXT. */
+
+static void
+set_completion_after_number (linespec_parser *parser,
+ linespec_complete_what next)
+{
+ if (*PARSER_STREAM (parser) == ' ')
+ {
+ parser->completion_word = skip_spaces (PARSER_STREAM (parser) + 1);
+ parser->complete_what = next;
+ }
+ else
+ {
+ parser->completion_word = PARSER_STREAM (parser);
+ parser->complete_what = linespec_complete_what::NOTHING;
+ }
+}
+
/* Parse the basic_spec in PARSER's input. */
static void
linespec_parse_basic (linespec_parser *parser)
{
- char *name;
+ gdb::unique_xmalloc_ptr<char> name;
linespec_token token;
- VEC (symbolp) *symbols, *labels;
- VEC (bound_minimal_symbol_d) *minimal_symbols;
- struct cleanup *cleanup;
+ std::vector<block_symbol> symbols;
+ std::vector<block_symbol> *labels;
+ std::vector<bound_minimal_symbol> minimal_symbols;
/* Get the next token. */
token = linespec_lexer_lex_one (parser);
/* If it is EOI or KEYWORD, issue an error. */
- if (token.type == LSTOKEN_KEYWORD || token.type == LSTOKEN_EOI)
- unexpected_linespec_error (parser);
+ if (token.type == LSTOKEN_KEYWORD)
+ {
+ parser->complete_what = linespec_complete_what::NOTHING;
+ unexpected_linespec_error (parser);
+ }
+ else if (token.type == LSTOKEN_EOI)
+ {
+ unexpected_linespec_error (parser);
+ }
/* If it is a LSTOKEN_NUMBER, we have an offset. */
else if (token.type == LSTOKEN_NUMBER)
{
+ set_completion_after_number (parser, linespec_complete_what::KEYWORD);
+
/* Record the line offset and get the next token. */
name = copy_token_string (token);
- cleanup = make_cleanup (xfree, name);
- PARSER_EXPLICIT (parser)->line_offset = linespec_parse_line_offset (name);
- do_cleanups (cleanup);
+ PARSER_EXPLICIT (parser)->line_offset
+ = linespec_parse_line_offset (name.get ());
/* Get the next token. */
token = linespec_lexer_consume_token (parser);
/* If the next token is a comma, stop parsing and return. */
if (token.type == LSTOKEN_COMMA)
- return;
+ {
+ parser->complete_what = linespec_complete_what::NOTHING;
+ return;
+ }
/* If the next token is anything but EOI or KEYWORD, issue
an error. */
/* Next token must be LSTOKEN_STRING. */
if (token.type != LSTOKEN_STRING)
- unexpected_linespec_error (parser);
+ {
+ parser->complete_what = linespec_complete_what::NOTHING;
+ unexpected_linespec_error (parser);
+ }
/* The current token will contain the name of a function, method,
or label. */
- name = copy_token_string (token);
- cleanup = make_cleanup (xfree, name);
+ name = copy_token_string (token);
- /* Try looking it up as a function/method. */
- find_linespec_symbols (PARSER_STATE (parser),
- PARSER_RESULT (parser)->file_symtabs, name,
- &symbols, &minimal_symbols);
-
- if (symbols != NULL || minimal_symbols != NULL)
+ if (parser->completion_tracker != NULL)
{
- PARSER_RESULT (parser)->function_symbols = symbols;
- PARSER_RESULT (parser)->minimal_symbols = minimal_symbols;
- PARSER_EXPLICIT (parser)->function_name = name;
- symbols = NULL;
- discard_cleanups (cleanup);
+ /* If the function name ends with a ":", then this may be an
+ incomplete "::" scope operator instead of a label separator.
+ E.g.,
+ "b klass:<tab>"
+ which should expand to:
+ "b klass::method()"
+
+ Do a tentative completion assuming the later. If we find
+ completions, advance the stream past the colon token and make
+ it part of the function name/token. */
+
+ if (!parser->completion_quote_char
+ && strcmp (PARSER_STREAM (parser), ":") == 0)
+ {
+ completion_tracker tmp_tracker;
+ const char *source_filename
+ = PARSER_EXPLICIT (parser)->source_filename;
+ symbol_name_match_type match_type
+ = PARSER_EXPLICIT (parser)->func_name_match_type;
+
+ linespec_complete_function (tmp_tracker,
+ parser->completion_word,
+ match_type,
+ source_filename);
+
+ if (tmp_tracker.have_completions ())
+ {
+ PARSER_STREAM (parser)++;
+ LS_TOKEN_STOKEN (token).length++;
+
+ name.reset (savestring (parser->completion_word,
+ (PARSER_STREAM (parser)
+ - parser->completion_word)));
+ }
+ }
+
+ PARSER_EXPLICIT (parser)->function_name = name.release ();
}
else
{
- /* NAME was not a function or a method. So it must be a label
- name or user specified variable like "break foo.c:$zippo". */
- labels = find_label_symbols (PARSER_STATE (parser), NULL,
- &symbols, name);
- if (labels != NULL)
+ /* Try looking it up as a function/method. */
+ find_linespec_symbols (PARSER_STATE (parser),
+ PARSER_RESULT (parser)->file_symtabs, name.get (),
+ PARSER_EXPLICIT (parser)->func_name_match_type,
+ &symbols, &minimal_symbols);
+
+ if (!symbols.empty () || !minimal_symbols.empty ())
{
- PARSER_RESULT (parser)->labels.label_symbols = labels;
- PARSER_RESULT (parser)->labels.function_symbols = symbols;
- PARSER_EXPLICIT (parser)->label_name = name;
- symbols = NULL;
- discard_cleanups (cleanup);
+ PARSER_RESULT (parser)->function_symbols
+ = new std::vector<block_symbol> (std::move (symbols));
+ PARSER_RESULT (parser)->minimal_symbols
+ = new std::vector<bound_minimal_symbol>
+ (std::move (minimal_symbols));
+ PARSER_EXPLICIT (parser)->function_name = name.release ();
}
- else if (token.type == LSTOKEN_STRING
- && *LS_TOKEN_STOKEN (token).ptr == '$')
+ else
{
- /* User specified a convenience variable or history value. */
- PARSER_EXPLICIT (parser)->line_offset
- = linespec_parse_variable (PARSER_STATE (parser), name);
-
- if (PARSER_EXPLICIT (parser)->line_offset.sign == LINE_OFFSET_UNKNOWN)
+ /* NAME was not a function or a method. So it must be a label
+ name or user specified variable like "break foo.c:$zippo". */
+ labels = find_label_symbols (PARSER_STATE (parser), NULL,
+ &symbols, name.get ());
+ if (labels != NULL)
{
- /* The user-specified variable was not valid. Do not
- throw an error here. parse_linespec will do it for us. */
- PARSER_EXPLICIT (parser)->function_name = name;
- discard_cleanups (cleanup);
- return;
+ PARSER_RESULT (parser)->labels.label_symbols = labels;
+ PARSER_RESULT (parser)->labels.function_symbols
+ = new std::vector<block_symbol> (std::move (symbols));
+ PARSER_EXPLICIT (parser)->label_name = name.release ();
}
+ else if (token.type == LSTOKEN_STRING
+ && *LS_TOKEN_STOKEN (token).ptr == '$')
+ {
+ /* User specified a convenience variable or history value. */
+ PARSER_EXPLICIT (parser)->line_offset
+ = linespec_parse_variable (PARSER_STATE (parser), name.get ());
- /* The convenience variable/history value parsed correctly.
- NAME is no longer needed. */
- do_cleanups (cleanup);
- }
- else
- {
- /* The name is also not a label. Abort parsing. Do not throw
- an error here. parse_linespec will do it for us. */
+ if (PARSER_EXPLICIT (parser)->line_offset.sign == LINE_OFFSET_UNKNOWN)
+ {
+ /* The user-specified variable was not valid. Do not
+ throw an error here. parse_linespec will do it for us. */
+ PARSER_EXPLICIT (parser)->function_name = name.release ();
+ return;
+ }
+ }
+ else
+ {
+ /* The name is also not a label. Abort parsing. Do not throw
+ an error here. parse_linespec will do it for us. */
- /* Save a copy of the name we were trying to lookup. */
- PARSER_EXPLICIT (parser)->function_name = name;
- discard_cleanups (cleanup);
- return;
+ /* Save a copy of the name we were trying to lookup. */
+ PARSER_EXPLICIT (parser)->function_name = name.release ();
+ return;
+ }
}
}
+ int previous_qc = parser->completion_quote_char;
+
/* Get the next token. */
token = linespec_lexer_consume_token (parser);
- if (token.type == LSTOKEN_COLON)
+ if (token.type == LSTOKEN_EOI)
+ {
+ if (previous_qc && !parser->completion_quote_char)
+ parser->complete_what = linespec_complete_what::KEYWORD;
+ }
+ else if (token.type == LSTOKEN_COLON)
{
/* User specified a label or a lineno. */
token = linespec_lexer_consume_token (parser);
{
/* User specified an offset. Record the line offset and
get the next token. */
+ set_completion_after_number (parser, linespec_complete_what::KEYWORD);
+
name = copy_token_string (token);
- cleanup = make_cleanup (xfree, name);
PARSER_EXPLICIT (parser)->line_offset
- = linespec_parse_line_offset (name);
- do_cleanups (cleanup);
+ = linespec_parse_line_offset (name.get ());
- /* Ge the next token. */
+ /* Get the next token. */
token = linespec_lexer_consume_token (parser);
}
+ else if (token.type == LSTOKEN_EOI && parser->completion_tracker != NULL)
+ {
+ parser->complete_what = linespec_complete_what::LABEL;
+ }
else if (token.type == LSTOKEN_STRING)
{
- /* Grab a copy of the label's name and look it up. */
- name = copy_token_string (token);
- cleanup = make_cleanup (xfree, name);
- labels = find_label_symbols (PARSER_STATE (parser),
- PARSER_RESULT (parser)->function_symbols,
- &symbols, name);
+ parser->complete_what = linespec_complete_what::LABEL;
+
+ /* If we have text after the label separated by whitespace
+ (e.g., "b func():lab i<tab>"), don't consider it part of
+ the label. In completion mode that should complete to
+ "if", in normal mode, the 'i' should be treated as
+ garbage. */
+ if (parser->completion_quote_char == '\0')
+ {
+ const char *ptr = LS_TOKEN_STOKEN (token).ptr;
+ for (size_t i = 0; i < LS_TOKEN_STOKEN (token).length; i++)
+ {
+ if (ptr[i] == ' ')
+ {
+ LS_TOKEN_STOKEN (token).length = i;
+ PARSER_STREAM (parser) = skip_spaces (ptr + i + 1);
+ break;
+ }
+ }
+ }
- if (labels != NULL)
+ if (parser->completion_tracker != NULL)
{
- PARSER_RESULT (parser)->labels.label_symbols = labels;
- PARSER_RESULT (parser)->labels.function_symbols = symbols;
- PARSER_EXPLICIT (parser)->label_name = name;
- symbols = NULL;
- discard_cleanups (cleanup);
+ if (PARSER_STREAM (parser)[-1] == ' ')
+ {
+ parser->completion_word = PARSER_STREAM (parser);
+ parser->complete_what = linespec_complete_what::KEYWORD;
+ }
}
else
{
- /* We don't know what it was, but it isn't a label. */
- undefined_label_error (PARSER_EXPLICIT (parser)->function_name,
- name);
+ /* Grab a copy of the label's name and look it up. */
+ name = copy_token_string (token);
+ labels
+ = find_label_symbols (PARSER_STATE (parser),
+ PARSER_RESULT (parser)->function_symbols,
+ &symbols, name.get ());
+
+ if (labels != NULL)
+ {
+ PARSER_RESULT (parser)->labels.label_symbols = labels;
+ PARSER_RESULT (parser)->labels.function_symbols
+ = new std::vector<block_symbol> (std::move (symbols));
+ PARSER_EXPLICIT (parser)->label_name = name.release ();
+ }
+ else
+ {
+ /* We don't know what it was, but it isn't a label. */
+ undefined_label_error
+ (PARSER_EXPLICIT (parser)->function_name, name.get ());
+ }
+
}
/* Check for a line offset. */
- token = linespec_lexer_consume_token (parser);
+ token = save_stream_and_consume_token (parser);
if (token.type == LSTOKEN_COLON)
{
/* Get the next token. */
if (token.type != LSTOKEN_NUMBER)
unexpected_linespec_error (parser);
- /* Record the lione offset and get the next token. */
+ /* Record the line offset and get the next token. */
name = copy_token_string (token);
- cleanup = make_cleanup (xfree, name);
PARSER_EXPLICIT (parser)->line_offset
- = linespec_parse_line_offset (name);
- do_cleanups (cleanup);
+ = linespec_parse_line_offset (name.get ());
/* Get the next token. */
token = linespec_lexer_consume_token (parser);
return;
/* Save everything as an explicit location. */
- canon = state->canonical->location
+ state->canonical->location
= new_explicit_location (&ls->explicit_loc);
+ canon = state->canonical->location.get ();
explicit_loc = get_explicit_location (canon);
if (explicit_loc->label_name != NULL)
if (explicit_loc->function_name == NULL)
{
- struct symbol *s;
-
/* No function was specified, so add the symbol name. */
- gdb_assert (ls->labels.function_symbols != NULL
- && (VEC_length (symbolp, ls->labels.function_symbols)
- == 1));
- s = VEC_index (symbolp, ls->labels.function_symbols, 0);
- explicit_loc->function_name = xstrdup (SYMBOL_NATURAL_NAME (s));
+ gdb_assert (!ls->labels.function_symbols->empty ()
+ && (ls->labels.function_symbols->size () == 1));
+ block_symbol s = ls->labels.function_symbols->front ();
+ explicit_loc->function_name = xstrdup (s.symbol->natural_name ());
}
}
/* Given a line offset in LS, construct the relevant SALs. */
-static struct symtabs_and_lines
+static std::vector<symtab_and_line>
create_sals_line_offset (struct linespec_state *self,
linespec_p ls)
{
- struct symtabs_and_lines values;
- struct symtab_and_line val;
int use_default = 0;
- init_sal (&val);
- values.sals = NULL;
- values.nelts = 0;
-
/* This is where we need to make sure we have good defaults.
We must guarantee that this section of code is never executed
when we are called with just a function name, since
set_default_source_symtab_and_line uses
select_source_symtab that calls us with such an argument. */
- if (VEC_length (symtab_ptr, ls->file_symtabs) == 1
- && VEC_index (symtab_ptr, ls->file_symtabs, 0) == NULL)
+ if (ls->file_symtabs->size () == 1
+ && ls->file_symtabs->front () == nullptr)
{
- const char *fullname;
-
set_current_program_space (self->program_space);
/* Make sure we have at least a default source line. */
set_default_source_symtab_and_line ();
initialize_defaults (&self->default_symtab, &self->default_line);
- fullname = symtab_to_fullname (self->default_symtab);
- VEC_pop (symtab_ptr, ls->file_symtabs);
- VEC_free (symtab_ptr, ls->file_symtabs);
- ls->file_symtabs = collect_symtabs_from_filename (fullname,
- self->search_pspace);
+ *ls->file_symtabs
+ = collect_symtabs_from_filename (self->default_symtab->filename,
+ self->search_pspace);
use_default = 1;
}
+ symtab_and_line val;
val.line = ls->explicit_loc.line_offset.offset;
switch (ls->explicit_loc.line_offset.sign)
{
break; /* No need to adjust val.line. */
}
+ std::vector<symtab_and_line> values;
if (self->list_mode)
- decode_digits_list_mode (self, ls, &values, val);
+ values = decode_digits_list_mode (self, ls, val);
else
{
struct linetable_entry *best_entry = NULL;
- int *filter;
- const struct block **blocks;
- struct cleanup *cleanup;
- struct symtabs_and_lines intermediate_results;
int i, j;
- intermediate_results.sals = NULL;
- intermediate_results.nelts = 0;
-
- decode_digits_ordinary (self, ls, val.line, &intermediate_results,
- &best_entry);
- if (intermediate_results.nelts == 0 && best_entry != NULL)
- decode_digits_ordinary (self, ls, best_entry->line,
- &intermediate_results, &best_entry);
-
- cleanup = make_cleanup (xfree, intermediate_results.sals);
+ std::vector<symtab_and_line> intermediate_results
+ = decode_digits_ordinary (self, ls, val.line, &best_entry);
+ if (intermediate_results.empty () && best_entry != NULL)
+ intermediate_results = decode_digits_ordinary (self, ls,
+ best_entry->line,
+ &best_entry);
/* For optimized code, the compiler can scatter one source line
across disjoint ranges of PC values, even when no duplicate
above, we see if there are other PCs that are in the same
block. If yes, the other PCs are filtered out. */
- filter = XNEWVEC (int, intermediate_results.nelts);
- make_cleanup (xfree, filter);
- blocks = XNEWVEC (const struct block *, intermediate_results.nelts);
- make_cleanup (xfree, blocks);
+ gdb::def_vector<int> filter (intermediate_results.size ());
+ gdb::def_vector<const block *> blocks (intermediate_results.size ());
- for (i = 0; i < intermediate_results.nelts; ++i)
+ for (i = 0; i < intermediate_results.size (); ++i)
{
- set_current_program_space (intermediate_results.sals[i].pspace);
+ set_current_program_space (intermediate_results[i].pspace);
filter[i] = 1;
- blocks[i] = block_for_pc_sect (intermediate_results.sals[i].pc,
- intermediate_results.sals[i].section);
+ blocks[i] = block_for_pc_sect (intermediate_results[i].pc,
+ intermediate_results[i].section);
}
- for (i = 0; i < intermediate_results.nelts; ++i)
+ for (i = 0; i < intermediate_results.size (); ++i)
{
if (blocks[i] != NULL)
- for (j = i + 1; j < intermediate_results.nelts; ++j)
+ for (j = i + 1; j < intermediate_results.size (); ++j)
{
if (blocks[j] == blocks[i])
{
}
}
- for (i = 0; i < intermediate_results.nelts; ++i)
+ for (i = 0; i < intermediate_results.size (); ++i)
if (filter[i])
{
struct symbol *sym = (blocks[i]
: NULL);
if (self->funfirstline)
- skip_prologue_sal (&intermediate_results.sals[i]);
- /* Make sure the line matches the request, not what was
- found. */
- intermediate_results.sals[i].line = val.line;
- add_sal_to_sals (self, &values, &intermediate_results.sals[i],
- sym ? SYMBOL_NATURAL_NAME (sym) : NULL, 0);
+ skip_prologue_sal (&intermediate_results[i]);
+ intermediate_results[i].symbol = sym;
+ add_sal_to_sals (self, &values, &intermediate_results[i],
+ sym ? sym->natural_name () : NULL, 0);
}
-
- do_cleanups (cleanup);
}
- if (values.nelts == 0)
+ if (values.empty ())
{
if (ls->explicit_loc.source_filename)
throw_error (NOT_FOUND_ERROR, _("No line %d in file \"%s\"."),
/* Convert the given ADDRESS into SaLs. */
-static struct symtabs_and_lines
+static std::vector<symtab_and_line>
convert_address_location_to_sals (struct linespec_state *self,
CORE_ADDR address)
{
- struct symtab_and_line sal;
- struct symtabs_and_lines sals = {NULL, 0};
-
- sal = find_pc_line (address, 0);
+ symtab_and_line sal = find_pc_line (address, 0);
sal.pc = address;
sal.section = find_pc_overlay (address);
sal.explicit_pc = 1;
+ sal.symbol = find_pc_sect_containing_function (sal.pc, sal.section);
+
+ std::vector<symtab_and_line> sals;
add_sal_to_sals (self, &sals, &sal, core_addr_to_string (address), 1);
return sals;
/* Create and return SALs from the linespec LS. */
-static struct symtabs_and_lines
+static std::vector<symtab_and_line>
convert_linespec_to_sals (struct linespec_state *state, linespec_p ls)
{
- struct symtabs_and_lines sals = {NULL, 0};
+ std::vector<symtab_and_line> sals;
if (ls->labels.label_symbols != NULL)
{
/* We have just a bunch of functions/methods or labels. */
- int i;
struct symtab_and_line sal;
- struct symbol *sym;
- for (i = 0; VEC_iterate (symbolp, ls->labels.label_symbols, i, sym); ++i)
+ for (const auto &sym : *ls->labels.label_symbols)
{
- struct program_space *pspace = SYMTAB_PSPACE (symbol_symtab (sym));
+ struct program_space *pspace
+ = SYMTAB_PSPACE (symbol_symtab (sym.symbol));
- if (symbol_to_sal (&sal, state->funfirstline, sym)
+ if (symbol_to_sal (&sal, state->funfirstline, sym.symbol)
&& maybe_add_address (state->addr_set, pspace, sal.pc))
add_sal_to_sals (state, &sals, &sal,
- SYMBOL_NATURAL_NAME (sym), 0);
+ sym.symbol->natural_name (), 0);
}
}
else if (ls->function_symbols != NULL || ls->minimal_symbols != NULL)
{
/* We have just a bunch of functions and/or methods. */
- int i;
- struct symtab_and_line sal;
- struct symbol *sym;
- bound_minimal_symbol_d *elem;
- struct program_space *pspace;
-
if (ls->function_symbols != NULL)
{
/* Sort symbols so that symbols with the same program space are next
to each other. */
- qsort (VEC_address (symbolp, ls->function_symbols),
- VEC_length (symbolp, ls->function_symbols),
- sizeof (symbolp), compare_symbols);
+ std::sort (ls->function_symbols->begin (),
+ ls->function_symbols->end (),
+ compare_symbols);
- for (i = 0; VEC_iterate (symbolp, ls->function_symbols, i, sym); ++i)
+ for (const auto &sym : *ls->function_symbols)
{
- pspace = SYMTAB_PSPACE (symbol_symtab (sym));
+ program_space *pspace
+ = SYMTAB_PSPACE (symbol_symtab (sym.symbol));
set_current_program_space (pspace);
- if (symbol_to_sal (&sal, state->funfirstline, sym)
- && maybe_add_address (state->addr_set, pspace, sal.pc))
- add_sal_to_sals (state, &sals, &sal,
- SYMBOL_NATURAL_NAME (sym), 0);
+
+ /* Don't skip to the first line of the function if we
+ had found an ifunc minimal symbol for this function,
+ because that means that this function is an ifunc
+ resolver with the same name as the ifunc itself. */
+ bool found_ifunc = false;
+
+ if (state->funfirstline
+ && ls->minimal_symbols != NULL
+ && SYMBOL_CLASS (sym.symbol) == LOC_BLOCK)
+ {
+ const CORE_ADDR addr
+ = BLOCK_ENTRY_PC (SYMBOL_BLOCK_VALUE (sym.symbol));
+
+ for (const auto &elem : *ls->minimal_symbols)
+ {
+ if (MSYMBOL_TYPE (elem.minsym) == mst_text_gnu_ifunc
+ || MSYMBOL_TYPE (elem.minsym) == mst_data_gnu_ifunc)
+ {
+ CORE_ADDR msym_addr = BMSYMBOL_VALUE_ADDRESS (elem);
+ if (MSYMBOL_TYPE (elem.minsym) == mst_data_gnu_ifunc)
+ {
+ struct gdbarch *gdbarch
+ = get_objfile_arch (elem.objfile);
+ msym_addr
+ = (gdbarch_convert_from_func_ptr_addr
+ (gdbarch,
+ msym_addr,
+ current_top_target ()));
+ }
+
+ if (msym_addr == addr)
+ {
+ found_ifunc = true;
+ break;
+ }
+ }
+ }
+ }
+
+ if (!found_ifunc)
+ {
+ symtab_and_line sal;
+ if (symbol_to_sal (&sal, state->funfirstline, sym.symbol)
+ && maybe_add_address (state->addr_set, pspace, sal.pc))
+ add_sal_to_sals (state, &sals, &sal,
+ sym.symbol->natural_name (), 0);
+ }
}
}
if (ls->minimal_symbols != NULL)
{
- /* Sort minimal symbols by program space, too. */
- qsort (VEC_address (bound_minimal_symbol_d, ls->minimal_symbols),
- VEC_length (bound_minimal_symbol_d, ls->minimal_symbols),
- sizeof (bound_minimal_symbol_d), compare_msymbols);
+ /* Sort minimal symbols by program space, too */
+ std::sort (ls->minimal_symbols->begin (),
+ ls->minimal_symbols->end (),
+ compare_msymbols);
- for (i = 0;
- VEC_iterate (bound_minimal_symbol_d, ls->minimal_symbols,
- i, elem);
- ++i)
+ for (const auto &elem : *ls->minimal_symbols)
{
- pspace = elem->objfile->pspace;
+ program_space *pspace = elem.objfile->pspace;
set_current_program_space (pspace);
- minsym_found (state, elem->objfile, elem->minsym, &sals);
+ minsym_found (state, elem.objfile, elem.minsym, &sals);
}
}
}
canonicalize_linespec (state, ls);
- if (sals.nelts > 0 && state->canonical != NULL)
+ if (!sals.empty () && state->canonical != NULL)
state->canonical->pre_expanded = 1;
return sals;
}
-/* Convert the explicit location EXPLICIT_LOC into SaLs. */
+/* Build RESULT from the explicit location components SOURCE_FILENAME,
+ FUNCTION_NAME, LABEL_NAME and LINE_OFFSET. */
-static struct symtabs_and_lines
-convert_explicit_location_to_sals (struct linespec_state *self,
- linespec_p result,
- const struct explicit_location *explicit_loc)
+static void
+convert_explicit_location_to_linespec (struct linespec_state *self,
+ linespec_p result,
+ const char *source_filename,
+ const char *function_name,
+ symbol_name_match_type fname_match_type,
+ const char *label_name,
+ struct line_offset line_offset)
{
- VEC (symbolp) *symbols, *labels;
- VEC (bound_minimal_symbol_d) *minimal_symbols;
+ std::vector<block_symbol> symbols;
+ std::vector<block_symbol> *labels;
+ std::vector<bound_minimal_symbol> minimal_symbols;
- if (explicit_loc->source_filename != NULL)
+ result->explicit_loc.func_name_match_type = fname_match_type;
+
+ if (source_filename != NULL)
{
- TRY
+ try
{
- result->file_symtabs
- = symtabs_from_filename (explicit_loc->source_filename,
- self->search_pspace);
+ *result->file_symtabs
+ = symtabs_from_filename (source_filename, self->search_pspace);
}
- CATCH (except, RETURN_MASK_ERROR)
+ catch (const gdb_exception_error &except)
{
- source_file_not_found_error (explicit_loc->source_filename);
+ source_file_not_found_error (source_filename);
}
- END_CATCH
- result->explicit_loc.source_filename
- = xstrdup (explicit_loc->source_filename);
+ result->explicit_loc.source_filename = xstrdup (source_filename);
}
else
{
/* A NULL entry means to use the default symtab. */
- VEC_safe_push (symtab_ptr, result->file_symtabs, NULL);
+ result->file_symtabs->push_back (nullptr);
}
- if (explicit_loc->function_name != NULL)
+ if (function_name != NULL)
{
find_linespec_symbols (self, result->file_symtabs,
- explicit_loc->function_name, &symbols,
- &minimal_symbols);
+ function_name, fname_match_type,
+ &symbols, &minimal_symbols);
- if (symbols == NULL && minimal_symbols == NULL)
- symbol_not_found_error (explicit_loc->function_name,
+ if (symbols.empty () && minimal_symbols.empty ())
+ symbol_not_found_error (function_name,
result->explicit_loc.source_filename);
- result->explicit_loc.function_name
- = xstrdup (explicit_loc->function_name);
- result->function_symbols = symbols;
- result->minimal_symbols = minimal_symbols;
+ result->explicit_loc.function_name = xstrdup (function_name);
+ result->function_symbols
+ = new std::vector<block_symbol> (std::move (symbols));
+ result->minimal_symbols
+ = new std::vector<bound_minimal_symbol> (std::move (minimal_symbols));
}
- if (explicit_loc->label_name != NULL)
+ if (label_name != NULL)
{
- symbols = NULL;
labels = find_label_symbols (self, result->function_symbols,
- &symbols, explicit_loc->label_name);
+ &symbols, label_name);
if (labels == NULL)
undefined_label_error (result->explicit_loc.function_name,
- explicit_loc->label_name);
+ label_name);
- result->explicit_loc.label_name = xstrdup (explicit_loc->label_name);
+ result->explicit_loc.label_name = xstrdup (label_name);
result->labels.label_symbols = labels;
- result->labels.function_symbols = symbols;
+ result->labels.function_symbols
+ = new std::vector<block_symbol> (std::move (symbols));
}
- if (explicit_loc->line_offset.sign != LINE_OFFSET_UNKNOWN)
- result->explicit_loc.line_offset = explicit_loc->line_offset;
+ if (line_offset.sign != LINE_OFFSET_UNKNOWN)
+ result->explicit_loc.line_offset = line_offset;
+}
+
+/* Convert the explicit location EXPLICIT_LOC into SaLs. */
- return convert_linespec_to_sals (self, result);
+static std::vector<symtab_and_line>
+convert_explicit_location_to_sals (struct linespec_state *self,
+ linespec_p result,
+ const struct explicit_location *explicit_loc)
+{
+ convert_explicit_location_to_linespec (self, result,
+ explicit_loc->source_filename,
+ explicit_loc->function_name,
+ explicit_loc->func_name_match_type,
+ explicit_loc->label_name,
+ explicit_loc->line_offset);
+ return convert_linespec_to_sals (self, result);
}
/* Parse a string that specifies a linespec.
if no file is validly specified. Callers must check that.
Also, the line number returned may be invalid. */
-/* Parse the linespec in ARG. */
+/* Parse the linespec in ARG. MATCH_TYPE indicates how function names
+ should be matched. */
-static struct symtabs_and_lines
-parse_linespec (linespec_parser *parser, const char *arg)
+static std::vector<symtab_and_line>
+parse_linespec (linespec_parser *parser, const char *arg,
+ symbol_name_match_type match_type)
{
linespec_token token;
- struct symtabs_and_lines values;
- struct gdb_exception file_exception = exception_none;
- struct cleanup *cleanup;
+ struct gdb_exception file_exception;
/* A special case to start. It has become quite popular for
IDEs to work around bugs in the previous parser by quoting
the entire linespec, so we attempt to deal with this nicely. */
parser->is_quote_enclosed = 0;
- if (!is_ada_operator (arg)
+ if (parser->completion_tracker == NULL
+ && !is_ada_operator (arg)
&& strchr (linespec_quote_characters, *arg) != NULL)
{
const char *end;
parser->lexer.saved_arg = arg;
parser->lexer.stream = arg;
+ parser->completion_word = arg;
+ parser->complete_what = linespec_complete_what::FUNCTION;
+ PARSER_EXPLICIT (parser)->func_name_match_type = match_type;
/* Initialize the default symtab and line offset. */
initialize_defaults (&PARSER_STATE (parser)->default_symtab,
&PARSER_STATE (parser)->default_line);
/* Objective-C shortcut. */
- values = decode_objc (PARSER_STATE (parser), PARSER_RESULT (parser), arg);
- if (values.sals != NULL)
- return values;
-
+ if (parser->completion_tracker == NULL)
+ {
+ std::vector<symtab_and_line> values
+ = decode_objc (PARSER_STATE (parser), PARSER_RESULT (parser), arg);
+ if (!values.empty ())
+ return values;
+ }
+ else
+ {
+ /* "-"/"+" is either an objc selector, or a number. There's
+ nothing to complete the latter to, so just let the caller
+ complete on functions, which finds objc selectors, if there's
+ any. */
+ if ((arg[0] == '-' || arg[0] == '+') && arg[1] == '\0')
+ return {};
+ }
+
/* Start parsing. */
/* Get the first token. */
- token = linespec_lexer_lex_one (parser);
+ token = linespec_lexer_consume_token (parser);
/* It must be either LSTOKEN_STRING or LSTOKEN_NUMBER. */
if (token.type == LSTOKEN_STRING && *LS_TOKEN_STOKEN (token).ptr == '$')
{
- char *var;
-
/* A NULL entry means to use GLOBAL_DEFAULT_SYMTAB. */
- VEC_safe_push (symtab_ptr, PARSER_RESULT (parser)->file_symtabs, NULL);
+ if (parser->completion_tracker == NULL)
+ PARSER_RESULT (parser)->file_symtabs->push_back (nullptr);
/* User specified a convenience variable or history value. */
- var = copy_token_string (token);
- cleanup = make_cleanup (xfree, var);
+ gdb::unique_xmalloc_ptr<char> var = copy_token_string (token);
PARSER_EXPLICIT (parser)->line_offset
- = linespec_parse_variable (PARSER_STATE (parser), var);
- do_cleanups (cleanup);
+ = linespec_parse_variable (PARSER_STATE (parser), var.get ());
/* If a line_offset wasn't found (VAR is the name of a user
variable/function), then skip to normal symbol processing. */
goto convert_to_sals;
}
}
+ else if (token.type == LSTOKEN_EOI && parser->completion_tracker != NULL)
+ {
+ /* Let the default linespec_complete_what::FUNCTION kick in. */
+ unexpected_linespec_error (parser);
+ }
else if (token.type != LSTOKEN_STRING && token.type != LSTOKEN_NUMBER)
- unexpected_linespec_error (parser);
+ {
+ parser->complete_what = linespec_complete_what::NOTHING;
+ unexpected_linespec_error (parser);
+ }
/* Shortcut: If the next token is not LSTOKEN_COLON, we know that
this token cannot represent a filename. */
if (token.type == LSTOKEN_COLON)
{
- char *user_filename;
-
/* Get the current token again and extract the filename. */
token = linespec_lexer_lex_one (parser);
- user_filename = copy_token_string (token);
+ gdb::unique_xmalloc_ptr<char> user_filename = copy_token_string (token);
/* Check if the input is a filename. */
- TRY
+ try
{
- PARSER_RESULT (parser)->file_symtabs
- = symtabs_from_filename (user_filename,
+ *PARSER_RESULT (parser)->file_symtabs
+ = symtabs_from_filename (user_filename.get (),
PARSER_STATE (parser)->search_pspace);
}
- CATCH (ex, RETURN_MASK_ERROR)
+ catch (gdb_exception_error &ex)
{
- file_exception = ex;
+ file_exception = std::move (ex);
}
- END_CATCH
if (file_exception.reason >= 0)
{
/* Symtabs were found for the file. Record the filename. */
- PARSER_EXPLICIT (parser)->source_filename = user_filename;
+ PARSER_EXPLICIT (parser)->source_filename = user_filename.release ();
/* Get the next token. */
token = linespec_lexer_consume_token (parser);
}
else
{
- /* No symtabs found -- discard user_filename. */
- xfree (user_filename);
-
/* A NULL entry means to use GLOBAL_DEFAULT_SYMTAB. */
- VEC_safe_push (symtab_ptr, PARSER_RESULT (parser)->file_symtabs, NULL);
+ PARSER_RESULT (parser)->file_symtabs->push_back (nullptr);
}
}
/* If the next token is not EOI, KEYWORD, or COMMA, issue an error. */
- else if (token.type != LSTOKEN_EOI && token.type != LSTOKEN_KEYWORD
- && token.type != LSTOKEN_COMMA)
+ else if (parser->completion_tracker == NULL
+ && (token.type != LSTOKEN_EOI && token.type != LSTOKEN_KEYWORD
+ && token.type != LSTOKEN_COMMA))
{
/* TOKEN is the _next_ token, not the one currently in the parser.
Consuming the token will give the correct error message. */
else
{
/* A NULL entry means to use GLOBAL_DEFAULT_SYMTAB. */
- VEC_safe_push (symtab_ptr, PARSER_RESULT (parser)->file_symtabs, NULL);
+ PARSER_RESULT (parser)->file_symtabs->push_back (nullptr);
}
/* Parse the rest of the linespec. */
linespec_parse_basic (parser);
- if (PARSER_RESULT (parser)->function_symbols == NULL
+ if (parser->completion_tracker == NULL
+ && PARSER_RESULT (parser)->function_symbols == NULL
&& PARSER_RESULT (parser)->labels.label_symbols == NULL
&& PARSER_EXPLICIT (parser)->line_offset.sign == LINE_OFFSET_UNKNOWN
&& PARSER_RESULT (parser)->minimal_symbols == NULL)
/* The linespec didn't parse. Re-throw the file exception if
there was one. */
if (file_exception.reason < 0)
- throw_exception (file_exception);
+ throw_exception (std::move (file_exception));
/* Otherwise, the symbol is not found. */
symbol_not_found_error (PARSER_EXPLICIT (parser)->function_name,
if necessary. */
token = linespec_lexer_lex_one (parser);
if (token.type != LSTOKEN_EOI && token.type != LSTOKEN_KEYWORD)
- PARSER_STREAM (parser) = LS_TOKEN_STOKEN (token).ptr;
+ unexpected_linespec_error (parser);
+ else if (token.type == LSTOKEN_KEYWORD)
+ {
+ /* Setup the completion word past the keyword. Lexing never
+ advances past a keyword automatically, so skip it
+ manually. */
+ parser->completion_word
+ = skip_spaces (skip_to_space (PARSER_STREAM (parser)));
+ parser->complete_what = linespec_complete_what::EXPRESSION;
+ }
/* Convert the data in PARSER_RESULT to SALs. */
- values = convert_linespec_to_sals (PARSER_STATE (parser),
+ if (parser->completion_tracker == NULL)
+ return convert_linespec_to_sals (PARSER_STATE (parser),
PARSER_RESULT (parser));
- return values;
+ return {};
}
/* Initialize a new linespec parser. */
-static void
-linespec_parser_new (linespec_parser *parser,
- int flags, const struct language_defn *language,
- struct program_space *search_pspace,
- struct symtab *default_symtab,
- int default_line,
- struct linespec_result *canonical)
-{
- memset (parser, 0, sizeof (linespec_parser));
- parser->lexer.current.type = LSTOKEN_CONSUMED;
- memset (PARSER_RESULT (parser), 0, sizeof (struct linespec));
- PARSER_EXPLICIT (parser)->line_offset.sign = LINE_OFFSET_UNKNOWN;
- linespec_state_constructor (PARSER_STATE (parser), flags, language,
+linespec_parser::linespec_parser (int flags,
+ const struct language_defn *language,
+ struct program_space *search_pspace,
+ struct symtab *default_symtab,
+ int default_line,
+ struct linespec_result *canonical)
+{
+ lexer.current.type = LSTOKEN_CONSUMED;
+ PARSER_RESULT (this)->file_symtabs = new std::vector<symtab *> ();
+ PARSER_EXPLICIT (this)->func_name_match_type
+ = symbol_name_match_type::WILD;
+ PARSER_EXPLICIT (this)->line_offset.sign = LINE_OFFSET_UNKNOWN;
+ linespec_state_constructor (PARSER_STATE (this), flags, language,
search_pspace,
default_symtab, default_line, canonical);
}
linespec_state_destructor (struct linespec_state *self)
{
htab_delete (self->addr_set);
+ xfree (self->canonical_names);
}
/* Delete a linespec parser. */
-static void
-linespec_parser_delete (void *arg)
+linespec_parser::~linespec_parser ()
{
- linespec_parser *parser = (linespec_parser *) arg;
-
- xfree (PARSER_EXPLICIT (parser)->source_filename);
- xfree (PARSER_EXPLICIT (parser)->label_name);
- xfree (PARSER_EXPLICIT (parser)->function_name);
-
- if (PARSER_RESULT (parser)->file_symtabs != NULL)
- VEC_free (symtab_ptr, PARSER_RESULT (parser)->file_symtabs);
-
- if (PARSER_RESULT (parser)->function_symbols != NULL)
- VEC_free (symbolp, PARSER_RESULT (parser)->function_symbols);
-
- if (PARSER_RESULT (parser)->minimal_symbols != NULL)
- VEC_free (bound_minimal_symbol_d, PARSER_RESULT (parser)->minimal_symbols);
+ xfree (PARSER_EXPLICIT (this)->source_filename);
+ xfree (PARSER_EXPLICIT (this)->label_name);
+ xfree (PARSER_EXPLICIT (this)->function_name);
- if (PARSER_RESULT (parser)->labels.label_symbols != NULL)
- VEC_free (symbolp, PARSER_RESULT (parser)->labels.label_symbols);
+ delete PARSER_RESULT (this)->file_symtabs;
+ delete PARSER_RESULT (this)->function_symbols;
+ delete PARSER_RESULT (this)->minimal_symbols;
+ delete PARSER_RESULT (this)->labels.label_symbols;
+ delete PARSER_RESULT (this)->labels.function_symbols;
- if (PARSER_RESULT (parser)->labels.function_symbols != NULL)
- VEC_free (symbolp, PARSER_RESULT (parser)->labels.function_symbols);
-
- linespec_state_destructor (PARSER_STATE (parser));
+ linespec_state_destructor (PARSER_STATE (this));
}
/* See description in linespec.h. */
void
-linespec_lex_to_end (char **stringp)
+linespec_lex_to_end (const char **stringp)
{
- linespec_parser parser;
- struct cleanup *cleanup;
linespec_token token;
const char *orig;
if (stringp == NULL || *stringp == NULL)
return;
- linespec_parser_new (&parser, 0, current_language, NULL, NULL, 0, NULL);
- cleanup = make_cleanup (linespec_parser_delete, &parser);
+ linespec_parser parser (0, current_language, NULL, NULL, 0, NULL);
parser.lexer.saved_arg = *stringp;
PARSER_STREAM (&parser) = orig = *stringp;
while (token.type != LSTOKEN_EOI && token.type != LSTOKEN_KEYWORD);
*stringp += PARSER_STREAM (&parser) - orig;
- do_cleanups (cleanup);
+}
+
+/* See linespec.h. */
+
+void
+linespec_complete_function (completion_tracker &tracker,
+ const char *function,
+ symbol_name_match_type func_match_type,
+ const char *source_filename)
+{
+ complete_symbol_mode mode = complete_symbol_mode::LINESPEC;
+
+ if (source_filename != NULL)
+ {
+ collect_file_symbol_completion_matches (tracker, mode, func_match_type,
+ function, function, source_filename);
+ }
+ else
+ {
+ collect_symbol_completion_matches (tracker, mode, func_match_type,
+ function, function);
+
+ }
+}
+
+/* Helper for complete_linespec to simplify it. SOURCE_FILENAME is
+ only meaningful if COMPONENT is FUNCTION. */
+
+static void
+complete_linespec_component (linespec_parser *parser,
+ completion_tracker &tracker,
+ const char *text,
+ linespec_complete_what component,
+ const char *source_filename)
+{
+ if (component == linespec_complete_what::KEYWORD)
+ {
+ complete_on_enum (tracker, linespec_keywords, text, text);
+ }
+ else if (component == linespec_complete_what::EXPRESSION)
+ {
+ const char *word
+ = advance_to_expression_complete_word_point (tracker, text);
+ complete_expression (tracker, text, word);
+ }
+ else if (component == linespec_complete_what::FUNCTION)
+ {
+ completion_list fn_list;
+
+ symbol_name_match_type match_type
+ = PARSER_EXPLICIT (parser)->func_name_match_type;
+ linespec_complete_function (tracker, text, match_type, source_filename);
+ if (source_filename == NULL)
+ {
+ /* Haven't seen a source component, like in "b
+ file.c:function[TAB]". Maybe this wasn't a function, but
+ a filename instead, like "b file.[TAB]". */
+ fn_list = complete_source_filenames (text);
+ }
+
+ /* If we only have a single filename completion, append a ':' for
+ the user, since that's the only thing that can usefully follow
+ the filename. */
+ if (fn_list.size () == 1 && !tracker.have_completions ())
+ {
+ char *fn = fn_list[0].release ();
+
+ /* If we also need to append a quote char, it needs to be
+ appended before the ':'. Append it now, and make ':' the
+ new "quote" char. */
+ if (tracker.quote_char ())
+ {
+ char quote_char_str[2] = { (char) tracker.quote_char () };
+
+ fn = reconcat (fn, fn, quote_char_str, (char *) NULL);
+ tracker.set_quote_char (':');
+ }
+ else
+ fn = reconcat (fn, fn, ":", (char *) NULL);
+ fn_list[0].reset (fn);
+
+ /* Tell readline to skip appending a space. */
+ tracker.set_suppress_append_ws (true);
+ }
+ tracker.add_completions (std::move (fn_list));
+ }
+}
+
+/* Helper for linespec_complete_label. Find labels that match
+ LABEL_NAME in the function symbols listed in the PARSER, and add
+ them to the tracker. */
+
+static void
+complete_label (completion_tracker &tracker,
+ linespec_parser *parser,
+ const char *label_name)
+{
+ std::vector<block_symbol> label_function_symbols;
+ std::vector<block_symbol> *labels
+ = find_label_symbols (PARSER_STATE (parser),
+ PARSER_RESULT (parser)->function_symbols,
+ &label_function_symbols,
+ label_name, true);
+
+ if (labels != nullptr)
+ {
+ for (const auto &label : *labels)
+ {
+ char *match = xstrdup (label.symbol->search_name ());
+ tracker.add_completion (gdb::unique_xmalloc_ptr<char> (match));
+ }
+ delete labels;
+ }
+}
+
+/* See linespec.h. */
+
+void
+linespec_complete_label (completion_tracker &tracker,
+ const struct language_defn *language,
+ const char *source_filename,
+ const char *function_name,
+ symbol_name_match_type func_name_match_type,
+ const char *label_name)
+{
+ linespec_parser parser (0, language, NULL, NULL, 0, NULL);
+
+ line_offset unknown_offset = { 0, LINE_OFFSET_UNKNOWN };
+
+ try
+ {
+ convert_explicit_location_to_linespec (PARSER_STATE (&parser),
+ PARSER_RESULT (&parser),
+ source_filename,
+ function_name,
+ func_name_match_type,
+ NULL, unknown_offset);
+ }
+ catch (const gdb_exception_error &ex)
+ {
+ return;
+ }
+
+ complete_label (tracker, &parser, label_name);
+}
+
+/* See description in linespec.h. */
+
+void
+linespec_complete (completion_tracker &tracker, const char *text,
+ symbol_name_match_type match_type)
+{
+ const char *orig = text;
+
+ linespec_parser parser (0, current_language, NULL, NULL, 0, NULL);
+ parser.lexer.saved_arg = text;
+ PARSER_EXPLICIT (&parser)->func_name_match_type = match_type;
+ PARSER_STREAM (&parser) = text;
+
+ parser.completion_tracker = &tracker;
+ PARSER_STATE (&parser)->is_linespec = 1;
+
+ /* Parse as much as possible. parser.completion_word will hold
+ furthest completion point we managed to parse to. */
+ try
+ {
+ parse_linespec (&parser, text, match_type);
+ }
+ catch (const gdb_exception_error &except)
+ {
+ }
+
+ if (parser.completion_quote_char != '\0'
+ && parser.completion_quote_end != NULL
+ && parser.completion_quote_end[1] == '\0')
+ {
+ /* If completing a quoted string with the cursor right at
+ terminating quote char, complete the completion word without
+ interpretation, so that readline advances the cursor one
+ whitespace past the quote, even if there's no match. This
+ makes these cases behave the same:
+
+ before: "b function()"
+ after: "b function() "
+
+ before: "b 'function()'"
+ after: "b 'function()' "
+
+ and trusts the user in this case:
+
+ before: "b 'not_loaded_function_yet()'"
+ after: "b 'not_loaded_function_yet()' "
+ */
+ parser.complete_what = linespec_complete_what::NOTHING;
+ parser.completion_quote_char = '\0';
+
+ gdb::unique_xmalloc_ptr<char> text_copy
+ (xstrdup (parser.completion_word));
+ tracker.add_completion (std::move (text_copy));
+ }
+
+ tracker.set_quote_char (parser.completion_quote_char);
+
+ if (parser.complete_what == linespec_complete_what::LABEL)
+ {
+ parser.complete_what = linespec_complete_what::NOTHING;
+
+ const char *func_name = PARSER_EXPLICIT (&parser)->function_name;
+
+ std::vector<block_symbol> function_symbols;
+ std::vector<bound_minimal_symbol> minimal_symbols;
+ find_linespec_symbols (PARSER_STATE (&parser),
+ PARSER_RESULT (&parser)->file_symtabs,
+ func_name, match_type,
+ &function_symbols, &minimal_symbols);
+
+ PARSER_RESULT (&parser)->function_symbols
+ = new std::vector<block_symbol> (std::move (function_symbols));
+ PARSER_RESULT (&parser)->minimal_symbols
+ = new std::vector<bound_minimal_symbol> (std::move (minimal_symbols));
+
+ complete_label (tracker, &parser, parser.completion_word);
+ }
+ else if (parser.complete_what == linespec_complete_what::FUNCTION)
+ {
+ /* While parsing/lexing, we didn't know whether the completion
+ word completes to a unique function/source name already or
+ not.
+
+ E.g.:
+ "b function() <tab>"
+ may need to complete either to:
+ "b function() const"
+ or to:
+ "b function() if/thread/task"
+
+ Or, this:
+ "b foo t"
+ may need to complete either to:
+ "b foo template_fun<T>()"
+ with "foo" being the template function's return type, or to:
+ "b foo thread/task"
+
+ Or, this:
+ "b file<TAB>"
+ may need to complete either to a source file name:
+ "b file.c"
+ or this, also a filename, but a unique completion:
+ "b file.c:"
+ or to a function name:
+ "b file_function"
+
+ Address that by completing assuming source or function, and
+ seeing if we find a completion that matches exactly the
+ completion word. If so, then it must be a function (see note
+ below) and we advance the completion word to the end of input
+ and switch to KEYWORD completion mode.
+
+ Note: if we find a unique completion for a source filename,
+ then it won't match the completion word, because the LCD will
+ contain a trailing ':'. And if we're completing at or after
+ the ':', then complete_linespec_component won't try to
+ complete on source filenames. */
+
+ const char *word = parser.completion_word;
+
+ complete_linespec_component (&parser, tracker,
+ parser.completion_word,
+ linespec_complete_what::FUNCTION,
+ PARSER_EXPLICIT (&parser)->source_filename);
+
+ parser.complete_what = linespec_complete_what::NOTHING;
+
+ if (tracker.quote_char ())
+ {
+ /* The function/file name was not close-quoted, so this
+ can't be a keyword. Note: complete_linespec_component
+ may have swapped the original quote char for ':' when we
+ get here, but that still indicates the same. */
+ }
+ else if (!tracker.have_completions ())
+ {
+ size_t key_start;
+ size_t wordlen = strlen (parser.completion_word);
+
+ key_start
+ = string_find_incomplete_keyword_at_end (linespec_keywords,
+ parser.completion_word,
+ wordlen);
+
+ if (key_start != -1
+ || (wordlen > 0
+ && parser.completion_word[wordlen - 1] == ' '))
+ {
+ parser.completion_word += key_start;
+ parser.complete_what = linespec_complete_what::KEYWORD;
+ }
+ }
+ else if (tracker.completes_to_completion_word (word))
+ {
+ /* Skip the function and complete on keywords. */
+ parser.completion_word += strlen (word);
+ parser.complete_what = linespec_complete_what::KEYWORD;
+ tracker.discard_completions ();
+ }
+ }
+
+ tracker.advance_custom_word_point_by (parser.completion_word - orig);
+
+ complete_linespec_component (&parser, tracker,
+ parser.completion_word,
+ parser.complete_what,
+ PARSER_EXPLICIT (&parser)->source_filename);
+
+ /* If we're past the "filename:function:label:offset" linespec, and
+ didn't find any match, then assume the user might want to create
+ a pending breakpoint anyway and offer the keyword
+ completions. */
+ if (!parser.completion_quote_char
+ && (parser.complete_what == linespec_complete_what::FUNCTION
+ || parser.complete_what == linespec_complete_what::LABEL
+ || parser.complete_what == linespec_complete_what::NOTHING)
+ && !tracker.have_completions ())
+ {
+ const char *end
+ = parser.completion_word + strlen (parser.completion_word);
+
+ if (end > orig && end[-1] == ' ')
+ {
+ tracker.advance_custom_word_point_by (end - parser.completion_word);
+
+ complete_linespec_component (&parser, tracker, end,
+ linespec_complete_what::KEYWORD,
+ NULL);
+ }
+ }
}
/* A helper function for decode_line_full and decode_line_1 to
- turn LOCATION into symtabs_and_lines. */
+ turn LOCATION into std::vector<symtab_and_line>. */
-static struct symtabs_and_lines
+static std::vector<symtab_and_line>
event_location_to_sals (linespec_parser *parser,
const struct event_location *location)
{
- struct symtabs_and_lines result = {NULL, 0};
+ std::vector<symtab_and_line> result;
switch (event_location_type (location))
{
case LINESPEC_LOCATION:
{
PARSER_STATE (parser)->is_linespec = 1;
- TRY
+ try
{
- result = parse_linespec (parser, get_linespec_location (location));
+ const linespec_location *ls = get_linespec_location (location);
+ result = parse_linespec (parser,
+ ls->spec_string, ls->match_type);
}
- CATCH (except, RETURN_MASK_ERROR)
+ catch (const gdb_exception_error &except)
{
- throw_exception (except);
+ throw;
}
- END_CATCH
}
break;
if (addr_string != NULL)
{
- char *expr = xstrdup (addr_string);
- const char *const_expr = expr;
- struct cleanup *cleanup = make_cleanup (xfree, expr);
-
- addr = linespec_expression_to_pc (&const_expr);
+ addr = linespec_expression_to_pc (&addr_string);
if (PARSER_STATE (parser)->canonical != NULL)
PARSER_STATE (parser)->canonical->location
= copy_event_location (location);
-
- do_cleanups (cleanup);
}
result = convert_address_location_to_sals (PARSER_STATE (parser),
const char *select_mode,
const char *filter)
{
- struct symtabs_and_lines result;
- struct cleanup *cleanups;
- VEC (const_char_ptr) *filters = NULL;
- linespec_parser parser;
+ std::vector<const char *> filters;
struct linespec_state *state;
gdb_assert (canonical != NULL);
|| select_mode == multiple_symbols_cancel);
gdb_assert ((flags & DECODE_LINE_LIST_MODE) == 0);
- linespec_parser_new (&parser, flags, current_language,
- search_pspace, default_symtab,
- default_line, canonical);
- cleanups = make_cleanup (linespec_parser_delete, &parser);
- save_current_program_space ();
+ linespec_parser parser (flags, current_language,
+ search_pspace, default_symtab,
+ default_line, canonical);
- result = event_location_to_sals (&parser, location);
+ scoped_restore_current_program_space restore_pspace;
+
+ std::vector<symtab_and_line> result = event_location_to_sals (&parser,
+ location);
state = PARSER_STATE (&parser);
- gdb_assert (result.nelts == 1 || canonical->pre_expanded);
+ gdb_assert (result.size () == 1 || canonical->pre_expanded);
canonical->pre_expanded = 1;
/* Arrange for allocated canonical names to be freed. */
- if (result.nelts > 0)
+ std::vector<gdb::unique_xmalloc_ptr<char>> hold_names;
+ for (int i = 0; i < result.size (); ++i)
{
- int i;
-
- make_cleanup (xfree, state->canonical_names);
- for (i = 0; i < result.nelts; ++i)
- {
- gdb_assert (state->canonical_names[i].suffix != NULL);
- make_cleanup (xfree, state->canonical_names[i].suffix);
- }
+ gdb_assert (state->canonical_names[i].suffix != NULL);
+ hold_names.emplace_back (state->canonical_names[i].suffix);
}
if (select_mode == NULL)
{
- if (interp_ui_out (top_level_interpreter ())->is_mi_like_p ())
+ if (top_level_interpreter ()->interp_ui_out ()->is_mi_like_p ())
select_mode = multiple_symbols_all;
else
select_mode = multiple_symbols_select_mode ();
{
if (filter != NULL)
{
- make_cleanup (VEC_cleanup (const_char_ptr), &filters);
- VEC_safe_push (const_char_ptr, filters, filter);
+ filters.push_back (filter);
filter_results (state, &result, filters);
}
else
}
else
decode_line_2 (state, &result, select_mode);
-
- do_cleanups (cleanups);
}
/* See linespec.h. */
-struct symtabs_and_lines
+std::vector<symtab_and_line>
decode_line_1 (const struct event_location *location, int flags,
struct program_space *search_pspace,
struct symtab *default_symtab,
int default_line)
{
- struct symtabs_and_lines result;
- linespec_parser parser;
- struct cleanup *cleanups;
+ linespec_parser parser (flags, current_language,
+ search_pspace, default_symtab,
+ default_line, NULL);
- linespec_parser_new (&parser, flags, current_language,
- search_pspace, default_symtab,
- default_line, NULL);
- cleanups = make_cleanup (linespec_parser_delete, &parser);
- save_current_program_space ();
+ scoped_restore_current_program_space restore_pspace;
- result = event_location_to_sals (&parser, location);
-
- do_cleanups (cleanups);
- return result;
+ return event_location_to_sals (&parser, location);
}
/* See linespec.h. */
-struct symtabs_and_lines
-decode_line_with_current_source (char *string, int flags)
+std::vector<symtab_and_line>
+decode_line_with_current_source (const char *string, int flags)
{
- struct symtabs_and_lines sals;
- struct symtab_and_line cursal;
- struct event_location *location;
- struct cleanup *cleanup;
-
if (string == 0)
error (_("Empty line specification."));
/* We use whatever is set as the current source line. We do not try
and get a default source symtab+line or it will recursively call us! */
- cursal = get_current_source_symtab_and_line ();
+ symtab_and_line cursal = get_current_source_symtab_and_line ();
- location = string_to_event_location (&string, current_language);
- cleanup = make_cleanup_delete_event_location (location);
- sals = decode_line_1 (location, flags, NULL,
- cursal.symtab, cursal.line);
+ event_location_up location = string_to_event_location (&string,
+ current_language);
+ std::vector<symtab_and_line> sals
+ = decode_line_1 (location.get (), flags, NULL, cursal.symtab, cursal.line);
if (*string)
error (_("Junk at end of line specification: %s"), string);
- do_cleanups (cleanup);
return sals;
}
/* See linespec.h. */
-struct symtabs_and_lines
-decode_line_with_last_displayed (char *string, int flags)
+std::vector<symtab_and_line>
+decode_line_with_last_displayed (const char *string, int flags)
{
- struct symtabs_and_lines sals;
- struct event_location *location;
- struct cleanup *cleanup;
-
if (string == 0)
error (_("Empty line specification."));
- location = string_to_event_location (&string, current_language);
- cleanup = make_cleanup_delete_event_location (location);
- if (last_displayed_sal_is_valid ())
- sals = decode_line_1 (location, flags, NULL,
- get_last_displayed_symtab (),
- get_last_displayed_line ());
- else
- sals = decode_line_1 (location, flags, NULL, (struct symtab *) NULL, 0);
+ event_location_up location = string_to_event_location (&string,
+ current_language);
+ std::vector<symtab_and_line> sals
+ = (last_displayed_sal_is_valid ()
+ ? decode_line_1 (location.get (), flags, NULL,
+ get_last_displayed_symtab (),
+ get_last_displayed_line ())
+ : decode_line_1 (location.get (), flags, NULL, NULL, 0));
if (*string)
error (_("Junk at end of line specification: %s"), string);
- do_cleanups (cleanup);
return sals;
}
\f
-/* First, some functions to initialize stuff at the beggining of the
+/* First, some functions to initialize stuff at the beginning of the
function. */
static void
than one method that could represent the selector, then use some of
the existing C++ code to let the user choose one. */
-static struct symtabs_and_lines
+static std::vector<symtab_and_line>
decode_objc (struct linespec_state *self, linespec_p ls, const char *arg)
{
struct collect_info info;
- VEC (const_char_ptr) *symbol_names = NULL;
- struct symtabs_and_lines values;
+ std::vector<const char *> symbol_names;
const char *new_argptr;
- struct cleanup *cleanup = make_cleanup (VEC_cleanup (const_char_ptr),
- &symbol_names);
info.state = self;
- info.file_symtabs = NULL;
- VEC_safe_push (symtab_ptr, info.file_symtabs, NULL);
- make_cleanup (VEC_cleanup (symtab_ptr), &info.file_symtabs);
- info.result.symbols = NULL;
- info.result.minimal_symbols = NULL;
- values.nelts = 0;
- values.sals = NULL;
+ std::vector<symtab *> symtabs;
+ symtabs.push_back (nullptr);
+
+ info.file_symtabs = &symtabs;
+
+ std::vector<block_symbol> symbols;
+ info.result.symbols = &symbols;
+ std::vector<bound_minimal_symbol> minimal_symbols;
+ info.result.minimal_symbols = &minimal_symbols;
new_argptr = find_imps (arg, &symbol_names);
- if (VEC_empty (const_char_ptr, symbol_names))
- {
- do_cleanups (cleanup);
- return values;
- }
+ if (symbol_names.empty ())
+ return {};
- add_all_symbol_names_from_pspace (&info, NULL, symbol_names);
+ add_all_symbol_names_from_pspace (&info, NULL, symbol_names,
+ FUNCTIONS_DOMAIN);
- if (!VEC_empty (symbolp, info.result.symbols)
- || !VEC_empty (bound_minimal_symbol_d, info.result.minimal_symbols))
+ std::vector<symtab_and_line> values;
+ if (!symbols.empty () || !minimal_symbols.empty ())
{
char *saved_arg;
saved_arg[new_argptr - arg] = '\0';
ls->explicit_loc.function_name = xstrdup (saved_arg);
- ls->function_symbols = info.result.symbols;
- ls->minimal_symbols = info.result.minimal_symbols;
+ ls->function_symbols
+ = new std::vector<block_symbol> (std::move (symbols));
+ ls->minimal_symbols
+ = new std::vector<bound_minimal_symbol> (std::move (minimal_symbols));
values = convert_linespec_to_sals (self, ls);
if (self->canonical)
{
- char *str;
+ std::string holder;
+ const char *str;
self->canonical->pre_expanded = 1;
if (ls->explicit_loc.source_filename)
{
- str = xstrprintf ("%s:%s",
- ls->explicit_loc.source_filename, saved_arg);
+ holder = string_printf ("%s:%s",
+ ls->explicit_loc.source_filename,
+ saved_arg);
+ str = holder.c_str ();
}
else
- str = xstrdup (saved_arg);
+ str = saved_arg;
- make_cleanup (xfree, str);
- self->canonical->location = new_linespec_location (&str);
+ self->canonical->location
+ = new_linespec_location (&str, symbol_name_match_type::FULL);
}
}
- do_cleanups (cleanup);
-
return values;
}
+namespace {
+
/* A function object that serves as symbol_found_callback_ftype
callback for iterate_over_symbols. This is used by
lookup_prefix_sym to collect type symbols. */
{
public:
decode_compound_collector ()
- : m_symbols (NULL)
{
m_unique_syms = htab_create_alloc (1, htab_hash_pointer,
htab_eq_pointer, NULL,
htab_delete (m_unique_syms);
}
- /* Releases ownership of the collected symbols and returns them. */
- VEC (symbolp) *release_symbols ()
+ /* Return all symbols collected. */
+ std::vector<block_symbol> release_symbols ()
{
- VEC (symbolp) *res = m_symbols;
- m_symbols = NULL;
- return res;
+ return std::move (m_symbols);
}
/* Callable as a symbol_found_callback_ftype callback. */
- bool operator () (symbol *sym);
+ bool operator () (block_symbol *bsym);
private:
/* A hash table of all symbols we found. We use this to avoid
htab_t m_unique_syms;
/* The result vector. */
- VEC (symbolp) *m_symbols;
+ std::vector<block_symbol> m_symbols;
};
bool
-decode_compound_collector::operator () (symbol *sym)
+decode_compound_collector::operator () (block_symbol *bsym)
{
void **slot;
struct type *t;
+ struct symbol *sym = bsym->symbol;
if (SYMBOL_CLASS (sym) != LOC_TYPEDEF)
return true; /* Continue iterating. */
if (!*slot)
{
*slot = sym;
- VEC_safe_push (symbolp, m_symbols, sym);
+ m_symbols.push_back (*bsym);
}
return true; /* Continue iterating. */
}
+} // namespace
+
/* Return any symbols corresponding to CLASS_NAME in FILE_SYMTABS. */
-static VEC (symbolp) *
-lookup_prefix_sym (struct linespec_state *state, VEC (symtab_ptr) *file_symtabs,
+static std::vector<block_symbol>
+lookup_prefix_sym (struct linespec_state *state,
+ std::vector<symtab *> *file_symtabs,
const char *class_name)
{
- int ix;
- struct symtab *elt;
decode_compound_collector collector;
- for (ix = 0; VEC_iterate (symtab_ptr, file_symtabs, ix, elt); ++ix)
+ lookup_name_info lookup_name (class_name, symbol_name_match_type::FULL);
+
+ for (const auto &elt : *file_symtabs)
{
- if (elt == NULL)
+ if (elt == nullptr)
{
- iterate_over_all_matching_symtabs (state, class_name, STRUCT_DOMAIN,
+ iterate_over_all_matching_symtabs (state, lookup_name,
+ STRUCT_DOMAIN, ALL_DOMAIN,
NULL, false, collector);
- iterate_over_all_matching_symtabs (state, class_name, VAR_DOMAIN,
+ iterate_over_all_matching_symtabs (state, lookup_name,
+ VAR_DOMAIN, ALL_DOMAIN,
NULL, false, collector);
}
else
been filtered out earlier. */
gdb_assert (!SYMTAB_PSPACE (elt)->executing_startup);
set_current_program_space (SYMTAB_PSPACE (elt));
- iterate_over_file_blocks (elt, class_name, STRUCT_DOMAIN, collector);
- iterate_over_file_blocks (elt, class_name, VAR_DOMAIN, collector);
+ iterate_over_file_blocks (elt, lookup_name, STRUCT_DOMAIN, collector);
+ iterate_over_file_blocks (elt, lookup_name, VAR_DOMAIN, collector);
}
}
return collector.release_symbols ();
}
-/* A qsort comparison function for symbols. The resulting order does
+/* A std::sort comparison function for symbols. The resulting order does
not actually matter; we just need to be able to sort them so that
symbols with the same program space end up next to each other. */
-static int
-compare_symbols (const void *a, const void *b)
+static bool
+compare_symbols (const block_symbol &a, const block_symbol &b)
{
- struct symbol * const *sa = (struct symbol * const*) a;
- struct symbol * const *sb = (struct symbol * const*) b;
uintptr_t uia, uib;
- uia = (uintptr_t) SYMTAB_PSPACE (symbol_symtab (*sa));
- uib = (uintptr_t) SYMTAB_PSPACE (symbol_symtab (*sb));
+ uia = (uintptr_t) SYMTAB_PSPACE (symbol_symtab (a.symbol));
+ uib = (uintptr_t) SYMTAB_PSPACE (symbol_symtab (b.symbol));
if (uia < uib)
- return -1;
+ return true;
if (uia > uib)
- return 1;
+ return false;
- uia = (uintptr_t) *sa;
- uib = (uintptr_t) *sb;
+ uia = (uintptr_t) a.symbol;
+ uib = (uintptr_t) b.symbol;
if (uia < uib)
- return -1;
- if (uia > uib)
- return 1;
+ return true;
- return 0;
+ return false;
}
/* Like compare_symbols but for minimal symbols. */
-static int
-compare_msymbols (const void *a, const void *b)
+static bool
+compare_msymbols (const bound_minimal_symbol &a, const bound_minimal_symbol &b)
{
- const struct bound_minimal_symbol *sa
- = (const struct bound_minimal_symbol *) a;
- const struct bound_minimal_symbol *sb
- = (const struct bound_minimal_symbol *) b;
uintptr_t uia, uib;
- uia = (uintptr_t) sa->objfile->pspace;
- uib = (uintptr_t) sa->objfile->pspace;
+ uia = (uintptr_t) a.objfile->pspace;
+ uib = (uintptr_t) a.objfile->pspace;
if (uia < uib)
- return -1;
+ return true;
if (uia > uib)
- return 1;
+ return false;
- uia = (uintptr_t) sa->minsym;
- uib = (uintptr_t) sb->minsym;
+ uia = (uintptr_t) a.minsym;
+ uib = (uintptr_t) b.minsym;
if (uia < uib)
- return -1;
- if (uia > uib)
- return 1;
+ return true;
- return 0;
+ return false;
}
/* Look for all the matching instances of each symbol in NAMES. Only
static void
add_all_symbol_names_from_pspace (struct collect_info *info,
struct program_space *pspace,
- VEC (const_char_ptr) *names)
+ const std::vector<const char *> &names,
+ enum search_domain search_domain)
{
- int ix;
- const char *iter;
-
- for (ix = 0; VEC_iterate (const_char_ptr, names, ix, iter); ++ix)
- add_matching_symbols_to_info (iter, info, pspace);
+ for (const char *iter : names)
+ add_matching_symbols_to_info (iter,
+ symbol_name_match_type::FULL,
+ search_domain, info, pspace);
}
static void
-find_superclass_methods (VEC (typep) *superclasses,
- const char *name,
- VEC (const_char_ptr) **result_names)
+find_superclass_methods (std::vector<struct type *> &&superclasses,
+ const char *name, enum language name_lang,
+ std::vector<const char *> *result_names)
{
- int old_len = VEC_length (const_char_ptr, *result_names);
- VEC (typep) *iter_classes;
- struct cleanup *cleanup = make_cleanup (null_cleanup, NULL);
+ size_t old_len = result_names->size ();
- iter_classes = superclasses;
while (1)
{
- VEC (typep) *new_supers = NULL;
- int ix;
- struct type *t;
+ std::vector<struct type *> new_supers;
- make_cleanup (VEC_cleanup (typep), &new_supers);
- for (ix = 0; VEC_iterate (typep, iter_classes, ix, t); ++ix)
- find_methods (t, name, result_names, &new_supers);
+ for (type *t : superclasses)
+ find_methods (t, name_lang, name, result_names, &new_supers);
- if (VEC_length (const_char_ptr, *result_names) != old_len
- || VEC_empty (typep, new_supers))
+ if (result_names->size () != old_len || new_supers.empty ())
break;
- iter_classes = new_supers;
+ superclasses = std::move (new_supers);
}
-
- do_cleanups (cleanup);
}
/* This finds the method METHOD_NAME in the class CLASS_NAME whose type is
in SYMBOLS (for debug symbols) and MINSYMS (for minimal symbols). */
static void
-find_method (struct linespec_state *self, VEC (symtab_ptr) *file_symtabs,
+find_method (struct linespec_state *self, std::vector<symtab *> *file_symtabs,
const char *class_name, const char *method_name,
- VEC (symbolp) *sym_classes, VEC (symbolp) **symbols,
- VEC (bound_minimal_symbol_d) **minsyms)
-{
- struct symbol *sym;
- struct cleanup *cleanup = make_cleanup (null_cleanup, NULL);
- int ix;
- int last_result_len;
- VEC (typep) *superclass_vec;
- VEC (const_char_ptr) *result_names;
+ std::vector<block_symbol> *sym_classes,
+ std::vector<block_symbol> *symbols,
+ std::vector<bound_minimal_symbol> *minsyms)
+{
+ size_t last_result_len;
+ std::vector<struct type *> superclass_vec;
+ std::vector<const char *> result_names;
struct collect_info info;
/* Sort symbols so that symbols with the same program space are next
to each other. */
- qsort (VEC_address (symbolp, sym_classes),
- VEC_length (symbolp, sym_classes),
- sizeof (symbolp),
- compare_symbols);
+ std::sort (sym_classes->begin (), sym_classes->end (),
+ compare_symbols);
info.state = self;
info.file_symtabs = file_symtabs;
- info.result.symbols = NULL;
- info.result.minimal_symbols = NULL;
+ info.result.symbols = symbols;
+ info.result.minimal_symbols = minsyms;
/* Iterate over all the types, looking for the names of existing
methods matching METHOD_NAME. If we cannot find a direct method in a
those names. This loop is written in a somewhat funny way
because we collect data across the program space before deciding
what to do. */
- superclass_vec = NULL;
- make_cleanup (VEC_cleanup (typep), &superclass_vec);
- result_names = NULL;
- make_cleanup (VEC_cleanup (const_char_ptr), &result_names);
last_result_len = 0;
- for (ix = 0; VEC_iterate (symbolp, sym_classes, ix, sym); ++ix)
+ unsigned int ix = 0;
+ for (const auto &elt : *sym_classes)
{
struct type *t;
struct program_space *pspace;
+ struct symbol *sym = elt.symbol;
/* Program spaces that are executing startup should have
been filtered out earlier. */
gdb_assert (!pspace->executing_startup);
set_current_program_space (pspace);
t = check_typedef (SYMBOL_TYPE (sym));
- find_methods (t, method_name, &result_names, &superclass_vec);
+ find_methods (t, sym->language (),
+ method_name, &result_names, &superclass_vec);
/* Handle all items from a single program space at once; and be
sure not to miss the last batch. */
- if (ix == VEC_length (symbolp, sym_classes) - 1
+ if (ix == sym_classes->size () - 1
|| (pspace
- != SYMTAB_PSPACE (symbol_symtab (VEC_index (symbolp, sym_classes,
- ix + 1)))))
+ != SYMTAB_PSPACE (symbol_symtab (sym_classes->at (ix + 1).symbol))))
{
/* If we did not find a direct implementation anywhere in
this program space, consider superclasses. */
- if (VEC_length (const_char_ptr, result_names) == last_result_len)
- find_superclass_methods (superclass_vec, method_name,
- &result_names);
+ if (result_names.size () == last_result_len)
+ find_superclass_methods (std::move (superclass_vec), method_name,
+ sym->language (), &result_names);
/* We have a list of candidate symbol names, so now we
iterate over the symbol tables looking for all
matches in this pspace. */
- add_all_symbol_names_from_pspace (&info, pspace, result_names);
+ add_all_symbol_names_from_pspace (&info, pspace, result_names,
+ FUNCTIONS_DOMAIN);
- VEC_truncate (typep, superclass_vec, 0);
- last_result_len = VEC_length (const_char_ptr, result_names);
+ superclass_vec.clear ();
+ last_result_len = result_names.size ();
+ ++ix;
}
}
- if (!VEC_empty (symbolp, info.result.symbols)
- || !VEC_empty (bound_minimal_symbol_d, info.result.minimal_symbols))
- {
- *symbols = info.result.symbols;
- *minsyms = info.result.minimal_symbols;
- do_cleanups (cleanup);
- return;
- }
+ if (!symbols->empty () || !minsyms->empty ())
+ return;
/* Throw an NOT_FOUND_ERROR. This will be caught by the caller
and other attempts to locate the symbol will be made. */
\f
+namespace {
+
/* This function object is a callback for iterate_over_symtabs, used
when collecting all matching symtabs. */
public:
symtab_collector ()
{
- m_symtabs = NULL;
m_symtab_table = htab_create (1, htab_hash_pointer, htab_eq_pointer,
NULL);
}
/* Callable as a symbol_found_callback_ftype callback. */
bool operator () (symtab *sym);
- /* Releases ownership of the collected symtabs and returns them. */
- VEC (symtab_ptr) *release_symtabs ()
+ /* Return an rvalue reference to the collected symtabs. */
+ std::vector<symtab *> &&release_symtabs ()
{
- VEC (symtab_ptr) *res = m_symtabs;
- m_symtabs = NULL;
- return res;
+ return std::move (m_symtabs);
}
private:
/* The result vector of symtabs. */
- VEC (symtab_ptr) *m_symtabs;
+ std::vector<symtab *> m_symtabs;
/* This is used to ensure the symtabs are unique. */
htab_t m_symtab_table;
if (!*slot)
{
*slot = symtab;
- VEC_safe_push (symtab_ptr, m_symtabs, symtab);
+ m_symtabs.push_back (symtab);
}
return false;
}
-/* Given a file name, return a VEC of all matching symtabs. If
+} // namespace
+
+/* Given a file name, return a list of all matching symtabs. If
SEARCH_PSPACE is not NULL, the search is restricted to just that
program space. */
-static VEC (symtab_ptr) *
+static std::vector<symtab *>
collect_symtabs_from_filename (const char *file,
struct program_space *search_pspace)
{
/* Return all the symtabs associated to the FILENAME. If SEARCH_PSPACE is
not NULL, the search is restricted to just that program space. */
-static VEC (symtab_ptr) *
+static std::vector<symtab *>
symtabs_from_filename (const char *filename,
struct program_space *search_pspace)
{
- VEC (symtab_ptr) *result;
-
- result = collect_symtabs_from_filename (filename, search_pspace);
+ std::vector<symtab *> result
+ = collect_symtabs_from_filename (filename, search_pspace);
- if (VEC_empty (symtab_ptr, result))
+ if (result.empty ())
{
if (!have_full_symbols () && !have_partial_symbols ())
throw_error (NOT_FOUND_ERROR,
return result;
}
+/* See symtab.h. */
+
+void
+symbol_searcher::find_all_symbols (const std::string &name,
+ const struct language_defn *language,
+ enum search_domain search_domain,
+ std::vector<symtab *> *search_symtabs,
+ struct program_space *search_pspace)
+{
+ symbol_searcher_collect_info info;
+ struct linespec_state state;
+
+ memset (&state, 0, sizeof (state));
+ state.language = language;
+ info.state = &state;
+
+ info.result.symbols = &m_symbols;
+ info.result.minimal_symbols = &m_minimal_symbols;
+ std::vector<symtab *> all_symtabs;
+ if (search_symtabs == nullptr)
+ {
+ all_symtabs.push_back (nullptr);
+ search_symtabs = &all_symtabs;
+ }
+ info.file_symtabs = search_symtabs;
+
+ add_matching_symbols_to_info (name.c_str (), symbol_name_match_type::WILD,
+ search_domain, &info, search_pspace);
+}
+
/* Look up a function symbol named NAME in symtabs FILE_SYMTABS. Matching
debug symbols are returned in SYMBOLS. Matching minimal symbols are
returned in MINSYMS. */
static void
find_function_symbols (struct linespec_state *state,
- VEC (symtab_ptr) *file_symtabs, const char *name,
- VEC (symbolp) **symbols,
- VEC (bound_minimal_symbol_d) **minsyms)
+ std::vector<symtab *> *file_symtabs, const char *name,
+ symbol_name_match_type name_match_type,
+ std::vector<block_symbol> *symbols,
+ std::vector<bound_minimal_symbol> *minsyms)
{
struct collect_info info;
- VEC (const_char_ptr) *symbol_names = NULL;
- struct cleanup *cleanup = make_cleanup (VEC_cleanup (const_char_ptr),
- &symbol_names);
+ std::vector<const char *> symbol_names;
info.state = state;
- info.result.symbols = NULL;
- info.result.minimal_symbols = NULL;
+ info.result.symbols = symbols;
+ info.result.minimal_symbols = minsyms;
info.file_symtabs = file_symtabs;
/* Try NAME as an Objective-C selector. */
find_imps (name, &symbol_names);
- if (!VEC_empty (const_char_ptr, symbol_names))
+ if (!symbol_names.empty ())
add_all_symbol_names_from_pspace (&info, state->search_pspace,
- symbol_names);
- else
- add_matching_symbols_to_info (name, &info, state->search_pspace);
-
- do_cleanups (cleanup);
-
- if (VEC_empty (symbolp, info.result.symbols))
- {
- VEC_free (symbolp, info.result.symbols);
- *symbols = NULL;
- }
- else
- *symbols = info.result.symbols;
-
- if (VEC_empty (bound_minimal_symbol_d, info.result.minimal_symbols))
- {
- VEC_free (bound_minimal_symbol_d, info.result.minimal_symbols);
- *minsyms = NULL;
- }
+ symbol_names, FUNCTIONS_DOMAIN);
else
- *minsyms = info.result.minimal_symbols;
+ add_matching_symbols_to_info (name, name_match_type, FUNCTIONS_DOMAIN,
+ &info, state->search_pspace);
}
/* Find all symbols named NAME in FILE_SYMTABS, returning debug symbols
static void
find_linespec_symbols (struct linespec_state *state,
- VEC (symtab_ptr) *file_symtabs,
- const char *name,
- VEC (symbolp) **symbols,
- VEC (bound_minimal_symbol_d) **minsyms)
+ std::vector<symtab *> *file_symtabs,
+ const char *lookup_name,
+ symbol_name_match_type name_match_type,
+ std::vector <block_symbol> *symbols,
+ std::vector<bound_minimal_symbol> *minsyms)
{
- demangle_result_storage demangle_storage;
- std::string ada_lookup_storage;
- const char *lookup_name;
-
- if (state->language->la_language == language_ada)
- {
- /* In Ada, the symbol lookups are performed using the encoded
- name rather than the demangled name. */
- ada_lookup_storage = ada_name_for_lookup (name);
- lookup_name = ada_lookup_storage.c_str ();
- }
- else
- {
- lookup_name = demangle_for_lookup (name,
- state->language->la_language,
- demangle_storage);
- }
-
std::string canon = cp_canonicalize_string_no_typedefs (lookup_name);
if (!canon.empty ())
lookup_name = canon.c_str ();
2) break class::method where method is in class (and not a baseclass) */
find_function_symbols (state, file_symtabs, lookup_name,
- symbols, minsyms);
+ name_match_type, symbols, minsyms);
/* If we were unable to locate a symbol of the same name, try dividing
the name into class and method names and searching the class and its
baseclasses. */
- if (VEC_empty (symbolp, *symbols)
- && VEC_empty (bound_minimal_symbol_d, *minsyms))
+ if (symbols->empty () && minsyms->empty ())
{
std::string klass, method;
const char *last, *p, *scope_op;
- VEC (symbolp) *classes;
/* See if we can find a scope operator and break this symbol
name into namespaces${SCOPE_OPERATOR}class_name and method_name. */
method = last;
/* Find a list of classes named KLASS. */
- classes = lookup_prefix_sym (state, file_symtabs, klass.c_str ());
- struct cleanup *old_chain
- = make_cleanup (VEC_cleanup (symbolp), &classes);
-
- if (!VEC_empty (symbolp, classes))
+ std::vector<block_symbol> classes
+ = lookup_prefix_sym (state, file_symtabs, klass.c_str ());
+ if (!classes.empty ())
{
/* Now locate a list of suitable methods named METHOD. */
- TRY
+ try
{
find_method (state, file_symtabs,
klass.c_str (), method.c_str (),
- classes, symbols, minsyms);
+ &classes, symbols, minsyms);
}
/* If successful, we're done. If NOT_FOUND_ERROR
was not thrown, rethrow the exception that we did get. */
- CATCH (except, RETURN_MASK_ERROR)
+ catch (const gdb_exception_error &except)
{
if (except.error != NOT_FOUND_ERROR)
- throw_exception (except);
+ throw;
+ }
+ }
+ }
+}
+
+/* Helper for find_label_symbols. Find all labels that match name
+ NAME in BLOCK. Return all labels that match in FUNCTION_SYMBOLS.
+ Return the actual function symbol in which the label was found in
+ LABEL_FUNC_RET. If COMPLETION_MODE is true, then NAME is
+ interpreted as a label name prefix. Otherwise, only a label named
+ exactly NAME match. */
+
+static void
+find_label_symbols_in_block (const struct block *block,
+ const char *name, struct symbol *fn_sym,
+ bool completion_mode,
+ std::vector<block_symbol> *result,
+ std::vector<block_symbol> *label_funcs_ret)
+{
+ if (completion_mode)
+ {
+ struct block_iterator iter;
+ struct symbol *sym;
+ size_t name_len = strlen (name);
+
+ int (*cmp) (const char *, const char *, size_t);
+ cmp = case_sensitivity == case_sensitive_on ? strncmp : strncasecmp;
+
+ ALL_BLOCK_SYMBOLS (block, iter, sym)
+ {
+ if (symbol_matches_domain (sym->language (),
+ SYMBOL_DOMAIN (sym), LABEL_DOMAIN)
+ && cmp (sym->search_name (), name, name_len) == 0)
+ {
+ result->push_back ({sym, block});
+ label_funcs_ret->push_back ({fn_sym, block});
}
- END_CATCH
}
+ }
+ else
+ {
+ struct block_symbol label_sym
+ = lookup_symbol (name, block, LABEL_DOMAIN, 0);
- do_cleanups (old_chain);
+ if (label_sym.symbol != NULL)
+ {
+ result->push_back (label_sym);
+ label_funcs_ret->push_back ({fn_sym, block});
+ }
}
}
-/* Return all labels named NAME in FUNCTION_SYMBOLS. Return the
- actual function symbol in which the label was found in LABEL_FUNC_RET. */
+/* Return all labels that match name NAME in FUNCTION_SYMBOLS or NULL
+ if no matches were found.
-static VEC (symbolp) *
+ Return the actual function symbol in which the label was found in
+ LABEL_FUNC_RET. If COMPLETION_MODE is true, then NAME is
+ interpreted as a label name prefix. Otherwise, only labels named
+ exactly NAME match. */
+
+
+static std::vector<block_symbol> *
find_label_symbols (struct linespec_state *self,
- VEC (symbolp) *function_symbols,
- VEC (symbolp) **label_funcs_ret, const char *name)
+ std::vector<block_symbol> *function_symbols,
+ std::vector<block_symbol> *label_funcs_ret,
+ const char *name,
+ bool completion_mode)
{
- int ix;
const struct block *block;
- struct symbol *sym;
struct symbol *fn_sym;
- VEC (symbolp) *result = NULL;
+ std::vector<block_symbol> result;
if (function_symbols == NULL)
{
return NULL;
fn_sym = BLOCK_FUNCTION (block);
- sym = lookup_symbol (name, block, LABEL_DOMAIN, 0).symbol;
-
- if (sym != NULL)
- {
- VEC_safe_push (symbolp, result, sym);
- VEC_safe_push (symbolp, *label_funcs_ret, fn_sym);
- }
+ find_label_symbols_in_block (block, name, fn_sym, completion_mode,
+ &result, label_funcs_ret);
}
else
{
- for (ix = 0;
- VEC_iterate (symbolp, function_symbols, ix, fn_sym); ++ix)
+ for (const auto &elt : *function_symbols)
{
+ fn_sym = elt.symbol;
set_current_program_space (SYMTAB_PSPACE (symbol_symtab (fn_sym)));
block = SYMBOL_BLOCK_VALUE (fn_sym);
- sym = lookup_symbol (name, block, LABEL_DOMAIN, 0).symbol;
- if (sym != NULL)
- {
- VEC_safe_push (symbolp, result, sym);
- VEC_safe_push (symbolp, *label_funcs_ret, fn_sym);
- }
+ find_label_symbols_in_block (block, name, fn_sym, completion_mode,
+ &result, label_funcs_ret);
}
}
- return result;
+ if (!result.empty ())
+ return new std::vector<block_symbol> (std::move (result));
+ return nullptr;
}
\f
/* A helper for create_sals_line_offset that handles the 'list_mode' case. */
-static void
+static std::vector<symtab_and_line>
decode_digits_list_mode (struct linespec_state *self,
linespec_p ls,
- struct symtabs_and_lines *values,
struct symtab_and_line val)
{
- int ix;
- struct symtab *elt;
-
gdb_assert (self->list_mode);
- for (ix = 0; VEC_iterate (symtab_ptr, ls->file_symtabs, ix, elt);
- ++ix)
+ std::vector<symtab_and_line> values;
+
+ for (const auto &elt : *ls->file_symtabs)
{
/* The logic above should ensure this. */
gdb_assert (elt != NULL);
val.symtab = elt;
val.pspace = SYMTAB_PSPACE (elt);
val.pc = 0;
- val.explicit_line = 1;
+ val.explicit_line = true;
- add_sal_to_sals (self, values, &val, NULL, 0);
+ add_sal_to_sals (self, &values, &val, NULL, 0);
}
+
+ return values;
}
-/* A helper for create_sals_line_offset that iterates over the symtabs,
- adding lines to the VEC. */
+/* A helper for create_sals_line_offset that iterates over the symtabs
+ associated with LS and returns a vector of corresponding symtab_and_line
+ structures. */
-static void
+static std::vector<symtab_and_line>
decode_digits_ordinary (struct linespec_state *self,
linespec_p ls,
int line,
- struct symtabs_and_lines *sals,
struct linetable_entry **best_entry)
{
- int ix;
- struct symtab *elt;
-
- for (ix = 0; VEC_iterate (symtab_ptr, ls->file_symtabs, ix, elt); ++ix)
+ std::vector<symtab_and_line> sals;
+ for (const auto &elt : *ls->file_symtabs)
{
- int i;
- VEC (CORE_ADDR) *pcs;
- CORE_ADDR pc;
+ std::vector<CORE_ADDR> pcs;
/* The logic above should ensure this. */
gdb_assert (elt != NULL);
set_current_program_space (SYMTAB_PSPACE (elt));
pcs = find_pcs_for_symtab_line (elt, line, best_entry);
- for (i = 0; VEC_iterate (CORE_ADDR, pcs, i, pc); ++i)
+ for (CORE_ADDR pc : pcs)
{
- struct symtab_and_line sal;
-
- init_sal (&sal);
+ symtab_and_line sal;
sal.pspace = SYMTAB_PSPACE (elt);
sal.symtab = elt;
sal.line = line;
+ sal.explicit_line = true;
sal.pc = pc;
- add_sal_to_sals_basic (sals, &sal);
+ sals.push_back (std::move (sal));
}
-
- VEC_free (CORE_ADDR, pcs);
}
+
+ return sals;
}
\f
static void
minsym_found (struct linespec_state *self, struct objfile *objfile,
struct minimal_symbol *msymbol,
- struct symtabs_and_lines *result)
+ std::vector<symtab_and_line> *result)
{
- struct gdbarch *gdbarch = get_objfile_arch (objfile);
- CORE_ADDR pc;
- struct symtab_and_line sal;
+ bool want_start_sal;
- sal = find_pc_sect_line (MSYMBOL_VALUE_ADDRESS (objfile, msymbol),
- (struct obj_section *) 0, 0);
- sal.section = MSYMBOL_OBJ_SECTION (objfile, msymbol);
+ CORE_ADDR func_addr;
+ bool is_function = msymbol_is_function (objfile, msymbol, &func_addr);
- /* The minimal symbol might point to a function descriptor;
- resolve it to the actual code address instead. */
- pc = gdbarch_convert_from_func_ptr_addr (gdbarch, sal.pc, ¤t_target);
- if (pc != sal.pc)
- sal = find_pc_sect_line (pc, NULL, 0);
-
- if (self->funfirstline)
- {
- if (sal.symtab != NULL
- && (COMPUNIT_LOCATIONS_VALID (SYMTAB_COMPUNIT (sal.symtab))
- || SYMTAB_LANGUAGE (sal.symtab) == language_asm))
- {
- /* If gdbarch_convert_from_func_ptr_addr does not apply then
- sal.SECTION, sal.LINE&co. will stay correct from above.
- If gdbarch_convert_from_func_ptr_addr applies then
- sal.SECTION is cleared from above and sal.LINE&co. will
- stay correct from the last find_pc_sect_line above. */
- sal.pc = MSYMBOL_VALUE_ADDRESS (objfile, msymbol);
- sal.pc = gdbarch_convert_from_func_ptr_addr (gdbarch, sal.pc,
- ¤t_target);
- if (gdbarch_skip_entrypoint_p (gdbarch))
- sal.pc = gdbarch_skip_entrypoint (gdbarch, sal.pc);
- }
+ if (is_function)
+ {
+ const char *msym_name = msymbol->linkage_name ();
+
+ if (MSYMBOL_TYPE (msymbol) == mst_text_gnu_ifunc
+ || MSYMBOL_TYPE (msymbol) == mst_data_gnu_ifunc)
+ want_start_sal = gnu_ifunc_resolve_name (msym_name, &func_addr);
else
- skip_prologue_sal (&sal);
+ want_start_sal = true;
}
- if (maybe_add_address (self->addr_set, objfile->pspace, sal.pc))
- add_sal_to_sals (self, result, &sal, MSYMBOL_NATURAL_NAME (msymbol), 0);
-}
-
-/* A helper struct to pass some data through
- iterate_over_minimal_symbols. */
-
-struct collect_minsyms
-{
- /* The objfile we're examining. */
- struct objfile *objfile;
-
- /* Only search the given symtab, or NULL to search for all symbols. */
- struct symtab *symtab;
+ symtab_and_line sal;
- /* The funfirstline setting from the initial call. */
- int funfirstline;
+ if (is_function && want_start_sal)
+ sal = find_function_start_sal (func_addr, NULL, self->funfirstline);
+ else
+ {
+ sal.objfile = objfile;
+ sal.msymbol = msymbol;
+ /* Store func_addr, not the minsym's address in case this was an
+ ifunc that hasn't been resolved yet. */
+ if (is_function)
+ sal.pc = func_addr;
+ else
+ sal.pc = MSYMBOL_VALUE_ADDRESS (objfile, msymbol);
+ sal.pspace = current_program_space;
+ }
- /* The list_mode setting from the initial call. */
- int list_mode;
+ sal.section = MSYMBOL_OBJ_SECTION (objfile, msymbol);
- /* The resulting symbols. */
- VEC (bound_minimal_symbol_d) *msyms;
-};
+ if (maybe_add_address (self->addr_set, objfile->pspace, sal.pc))
+ add_sal_to_sals (self, result, &sal, msymbol->natural_name (), 0);
+}
/* A helper function to classify a minimal_symbol_type according to
priority. */
}
}
-/* Callback for qsort that sorts symbols by priority. */
+/* Callback for std::sort that sorts symbols by priority. */
-static int
-compare_msyms (const void *a, const void *b)
+static bool
+compare_msyms (const bound_minimal_symbol &a, const bound_minimal_symbol &b)
{
- const bound_minimal_symbol_d *moa = (const bound_minimal_symbol_d *) a;
- const bound_minimal_symbol_d *mob = (const bound_minimal_symbol_d *) b;
- enum minimal_symbol_type ta = MSYMBOL_TYPE (moa->minsym);
- enum minimal_symbol_type tb = MSYMBOL_TYPE (mob->minsym);
+ enum minimal_symbol_type ta = MSYMBOL_TYPE (a.minsym);
+ enum minimal_symbol_type tb = MSYMBOL_TYPE (b.minsym);
- return classify_mtype (ta) - classify_mtype (tb);
+ return classify_mtype (ta) < classify_mtype (tb);
}
-/* Callback for iterate_over_minimal_symbols that adds the symbol to
- the result. */
+/* Helper for search_minsyms_for_name that adds the symbol to the
+ result. */
static void
-add_minsym (struct minimal_symbol *minsym, void *d)
+add_minsym (struct minimal_symbol *minsym, struct objfile *objfile,
+ struct symtab *symtab, int list_mode,
+ std::vector<struct bound_minimal_symbol> *msyms)
{
- struct collect_minsyms *info = (struct collect_minsyms *) d;
- bound_minimal_symbol_d mo;
-
- mo.minsym = minsym;
- mo.objfile = info->objfile;
-
- if (info->symtab != NULL)
+ if (symtab != NULL)
{
- CORE_ADDR pc;
- struct symtab_and_line sal;
- struct gdbarch *gdbarch = get_objfile_arch (info->objfile);
-
- sal = find_pc_sect_line (MSYMBOL_VALUE_ADDRESS (info->objfile, minsym),
- NULL, 0);
- sal.section = MSYMBOL_OBJ_SECTION (info->objfile, minsym);
- pc
- = gdbarch_convert_from_func_ptr_addr (gdbarch, sal.pc, ¤t_target);
- if (pc != sal.pc)
- sal = find_pc_sect_line (pc, NULL, 0);
+ /* We're looking for a label for which we don't have debug
+ info. */
+ CORE_ADDR func_addr;
+ if (msymbol_is_function (objfile, minsym, &func_addr))
+ {
+ symtab_and_line sal = find_pc_sect_line (func_addr, NULL, 0);
- if (info->symtab != sal.symtab)
- return;
+ if (symtab != sal.symtab)
+ return;
+ }
}
- /* Exclude data symbols when looking for breakpoint locations. */
- if (!info->list_mode)
- switch (minsym->type)
- {
- case mst_slot_got_plt:
- case mst_data:
- case mst_bss:
- case mst_abs:
- case mst_file_data:
- case mst_file_bss:
- {
- /* Make sure this minsym is not a function descriptor
- before we decide to discard it. */
- struct gdbarch *gdbarch = get_objfile_arch (info->objfile);
- CORE_ADDR addr = gdbarch_convert_from_func_ptr_addr
- (gdbarch, BMSYMBOL_VALUE_ADDRESS (mo),
- ¤t_target);
-
- if (addr == BMSYMBOL_VALUE_ADDRESS (mo))
- return;
- }
- }
+ /* Exclude data symbols when looking for breakpoint locations. */
+ if (!list_mode && !msymbol_is_function (objfile, minsym))
+ return;
- VEC_safe_push (bound_minimal_symbol_d, info->msyms, &mo);
+ struct bound_minimal_symbol mo = {minsym, objfile};
+ msyms->push_back (mo);
+ return;
}
/* Search for minimal symbols called NAME. If SEARCH_PSPACE
restrict results to the given SYMTAB. */
static void
-search_minsyms_for_name (struct collect_info *info, const char *name,
+search_minsyms_for_name (struct collect_info *info,
+ const lookup_name_info &name,
struct program_space *search_pspace,
struct symtab *symtab)
{
- struct collect_minsyms local;
- struct cleanup *cleanup;
-
- memset (&local, 0, sizeof (local));
- local.funfirstline = info->state->funfirstline;
- local.list_mode = info->state->list_mode;
- local.symtab = symtab;
-
- cleanup = make_cleanup (VEC_cleanup (bound_minimal_symbol_d), &local.msyms);
+ std::vector<struct bound_minimal_symbol> minsyms;
if (symtab == NULL)
{
ALL_PSPACES (pspace)
{
- struct objfile *objfile;
-
if (search_pspace != NULL && search_pspace != pspace)
continue;
if (pspace->executing_startup)
set_current_program_space (pspace);
- ALL_OBJFILES (objfile)
- {
- local.objfile = objfile;
- iterate_over_minimal_symbols (objfile, name, add_minsym, &local);
- }
+ for (objfile *objfile : current_program_space->objfiles ())
+ {
+ iterate_over_minimal_symbols (objfile, name,
+ [&] (struct minimal_symbol *msym)
+ {
+ add_minsym (msym, objfile, nullptr,
+ info->state->list_mode,
+ &minsyms);
+ return false;
+ });
+ }
}
}
else
if (search_pspace == NULL || SYMTAB_PSPACE (symtab) == search_pspace)
{
set_current_program_space (SYMTAB_PSPACE (symtab));
- local.objfile = SYMTAB_OBJFILE(symtab);
- iterate_over_minimal_symbols (local.objfile, name, add_minsym,
- &local);
+ iterate_over_minimal_symbols
+ (SYMTAB_OBJFILE (symtab), name,
+ [&] (struct minimal_symbol *msym)
+ {
+ add_minsym (msym, SYMTAB_OBJFILE (symtab), symtab,
+ info->state->list_mode, &minsyms);
+ return false;
+ });
}
}
- if (!VEC_empty (bound_minimal_symbol_d, local.msyms))
- {
- int classification;
- int ix;
- bound_minimal_symbol_d *item;
-
- qsort (VEC_address (bound_minimal_symbol_d, local.msyms),
- VEC_length (bound_minimal_symbol_d, local.msyms),
- sizeof (bound_minimal_symbol_d),
- compare_msyms);
-
- /* Now the minsyms are in classification order. So, we walk
- over them and process just the minsyms with the same
- classification as the very first minsym in the list. */
- item = VEC_index (bound_minimal_symbol_d, local.msyms, 0);
- classification = classify_mtype (MSYMBOL_TYPE (item->minsym));
-
- for (ix = 0;
- VEC_iterate (bound_minimal_symbol_d, local.msyms, ix, item);
- ++ix)
- {
- if (classify_mtype (MSYMBOL_TYPE (item->minsym)) != classification)
- break;
+ if (!minsyms.empty ())
+ {
+ int classification;
- VEC_safe_push (bound_minimal_symbol_d,
- info->result.minimal_symbols, item);
- }
- }
+ std::sort (minsyms.begin (), minsyms.end (), compare_msyms);
+
+ /* Now the minsyms are in classification order. So, we walk
+ over them and process just the minsyms with the same
+ classification as the very first minsym in the list. */
+ classification = classify_mtype (MSYMBOL_TYPE (minsyms[0].minsym));
+
+ for (const bound_minimal_symbol &item : minsyms)
+ {
+ if (classify_mtype (MSYMBOL_TYPE (item.minsym)) != classification)
+ break;
- do_cleanups (cleanup);
+ info->result.minimal_symbols->push_back (item);
+ }
+ }
}
/* A helper function to add all symbols matching NAME to INFO. If
static void
add_matching_symbols_to_info (const char *name,
+ symbol_name_match_type name_match_type,
+ enum search_domain search_domain,
struct collect_info *info,
struct program_space *pspace)
{
- int ix;
- struct symtab *elt;
+ lookup_name_info lookup_name (name, name_match_type);
- for (ix = 0; VEC_iterate (symtab_ptr, info->file_symtabs, ix, elt); ++ix)
+ for (const auto &elt : *info->file_symtabs)
{
- if (elt == NULL)
+ if (elt == nullptr)
{
- iterate_over_all_matching_symtabs (info->state, name, VAR_DOMAIN,
- pspace, true, [&] (symbol *sym)
- { return info->add_symbol (sym); });
- search_minsyms_for_name (info, name, pspace, NULL);
+ iterate_over_all_matching_symtabs (info->state, lookup_name,
+ VAR_DOMAIN, search_domain,
+ pspace, true,
+ [&] (block_symbol *bsym)
+ { return info->add_symbol (bsym); });
+ search_minsyms_for_name (info, lookup_name, pspace, NULL);
}
else if (pspace == NULL || pspace == SYMTAB_PSPACE (elt))
{
- int prev_len = VEC_length (symbolp, info->result.symbols);
+ int prev_len = info->result.symbols->size ();
/* Program spaces that are executing startup should have
been filtered out earlier. */
gdb_assert (!SYMTAB_PSPACE (elt)->executing_startup);
set_current_program_space (SYMTAB_PSPACE (elt));
- iterate_over_file_blocks (elt, name, VAR_DOMAIN, [&] (symbol *sym)
- { return info->add_symbol (sym); });
+ iterate_over_file_blocks (elt, lookup_name, VAR_DOMAIN,
+ [&] (block_symbol *bsym)
+ { return info->add_symbol (bsym); });
/* If no new symbols were found in this iteration and this symtab
is in assembler, we might actually be looking for a label for
which we don't have debug info. Check for a minimal symbol in
this case. */
- if (prev_len == VEC_length (symbolp, info->result.symbols)
+ if (prev_len == info->result.symbols->size ()
&& elt->language == language_asm)
- search_minsyms_for_name (info, name, pspace, elt);
+ search_minsyms_for_name (info, lookup_name, pspace, elt);
}
}
}
{
if (SYMBOL_CLASS (sym) == LOC_LABEL && SYMBOL_VALUE_ADDRESS (sym) != 0)
{
- init_sal (result);
+ *result = {};
result->symtab = symbol_symtab (sym);
+ result->symbol = sym;
result->line = SYMBOL_LINE (sym);
result->pc = SYMBOL_VALUE_ADDRESS (sym);
result->pspace = SYMTAB_PSPACE (result->symtab);
else if (SYMBOL_LINE (sym) != 0)
{
/* We know its line number. */
- init_sal (result);
+ *result = {};
result->symtab = symbol_symtab (sym);
+ result->symbol = sym;
result->line = SYMBOL_LINE (sym);
+ result->pc = SYMBOL_VALUE_ADDRESS (sym);
result->pspace = SYMTAB_PSPACE (result->symtab);
return 1;
}
return 0;
}
-/* See the comment in linespec.h. */
-
-void
-init_linespec_result (struct linespec_result *lr)
-{
- memset (lr, 0, sizeof (*lr));
-}
-
-/* See the comment in linespec.h. */
-
-void
-destroy_linespec_result (struct linespec_result *ls)
-{
- int i;
- struct linespec_sals *lsal;
-
- delete_event_location (ls->location);
- for (i = 0; VEC_iterate (linespec_sals, ls->sals, i, lsal); ++i)
- {
- xfree (lsal->canonical);
- xfree (lsal->sals.sals);
- }
- VEC_free (linespec_sals, ls->sals);
-}
-
-/* Cleanup function for a linespec_result. */
-
-static void
-cleanup_linespec_result (void *a)
-{
- destroy_linespec_result ((struct linespec_result *) a);
-}
-
-/* See the comment in linespec.h. */
-
-struct cleanup *
-make_cleanup_destroy_linespec_result (struct linespec_result *ls)
+linespec_result::~linespec_result ()
{
- return make_cleanup (cleanup_linespec_result, ls);
+ for (linespec_sals &lsal : lsals)
+ xfree (lsal.canonical);
}
/* Return the quote characters permitted by the linespec parser. */
projects / deliverable / binutils-gdb.git / blobdiff