#include "progspace-and-thread.h"
#include "common/gdb_optional.h"
#include "filename-seen-cache.h"
+#include "arch-utils.h"
+#include <algorithm>
/* Forward declarations for local functions. */
-static void rbreak_command (char *, int);
+static void rbreak_command (const char *, int);
static int find_line_common (struct linetable *, int, int *, int);
/* See symtab.h. */
const struct block_symbol null_block_symbol = { NULL, NULL };
-extern initialize_file_ftype _initialize_symtab;
-
/* Program space key for finding name and language of "main". */
static const struct program_space_data *main_progspace_key;
absolutizing a relative path. */
if (IS_ABSOLUTE_PATH (name))
{
- real_path.reset (gdb_realpath (name));
+ real_path = gdb_realpath (name);
gdb_assert (IS_ABSOLUTE_PATH (real_path.get ()));
}
{
char *demangled = NULL;
int i;
- int recognized;
if (gsymbol->language == language_unknown)
gsymbol->language = language_auto;
return symbol_natural_name (gsymbol);
}
-/* Initialize the structure fields to zero values. */
+/* See symtab.h. */
-void
-init_sal (struct symtab_and_line *sal)
+bool
+symbol_matches_search_name (const struct general_symbol_info *gsymbol,
+ const lookup_name_info &name)
{
- memset (sal, 0, sizeof (*sal));
+ symbol_name_matcher_ftype *name_match
+ = language_get_symbol_name_matcher (language_def (gsymbol->language),
+ name);
+ return name_match (symbol_search_name (gsymbol), name, NULL);
}
+
\f
/* Return 1 if the two sections are the same, or if they could
}
else if (slot_name != NULL && name != NULL)
{
- /* It's important that we use the same comparison that was done the
- first time through. If the slot records a found symbol, then this
- means using strcmp_iw on SYMBOL_SEARCH_NAME. See dictionary.c.
- It also means using symbol_matches_domain for found symbols.
- See block.c.
+ /* It's important that we use the same comparison that was done
+ the first time through. If the slot records a found symbol,
+ then this means using the symbol name comparison function of
+ the symbol's language with SYMBOL_SEARCH_NAME. See
+ dictionary.c. It also means using symbol_matches_domain for
+ found symbols. See block.c.
If the slot records a not-found symbol, then require a precise match.
We could still be lax with whitespace like strcmp_iw though. */
else
{
struct symbol *sym = slot->value.found.symbol;
+ lookup_name_info lookup_name (name, symbol_name_match_type::FULL);
- if (strcmp_iw (slot_name, name) != 0)
+ if (!SYMBOL_MATCHES_SEARCH_NAME (sym, lookup_name))
return 0;
+
if (!symbol_matches_domain (SYMBOL_LANGUAGE (sym),
slot_domain, domain))
return 0;
/* Called when symbol-cache-size is set. */
static void
-set_symbol_cache_size_handler (char *args, int from_tty,
+set_symbol_cache_size_handler (const char *args, int from_tty,
struct cmd_list_element *c)
{
if (new_symbol_cache_size > MAX_SYMBOL_CACHE_SIZE)
/* The "mt print symbol-cache" command. */
static void
-maintenance_print_symbol_cache (char *args, int from_tty)
+maintenance_print_symbol_cache (const char *args, int from_tty)
{
struct program_space *pspace;
/* The "mt flush-symbol-cache" command. */
static void
-maintenance_flush_symbol_cache (char *args, int from_tty)
+maintenance_flush_symbol_cache (const char *args, int from_tty)
{
struct program_space *pspace;
/* The "mt print symbol-cache-statistics" command. */
static void
-maintenance_print_symbol_cache_statistics (char *args, int from_tty)
+maintenance_print_symbol_cache_statistics (const char *args, int from_tty)
{
struct program_space *pspace;
return sym;
}
+/* See symtab.h. */
+
+demangle_for_lookup_info::demangle_for_lookup_info
+ (const lookup_name_info &lookup_name, language lang)
+{
+ demangle_result_storage storage;
+
+ if (lookup_name.ignore_parameters () && lang == language_cplus)
+ {
+ gdb::unique_xmalloc_ptr<char> without_params
+ = cp_remove_params_if_any (lookup_name.name ().c_str (),
+ lookup_name.completion_mode ());
+
+ if (without_params != NULL)
+ {
+ m_demangled_name = demangle_for_lookup (without_params.get (),
+ lang, storage);
+ return;
+ }
+ }
+
+ m_demangled_name = demangle_for_lookup (lookup_name.name ().c_str (),
+ lang, storage);
+}
+
+/* See symtab.h. */
+
+const lookup_name_info &
+lookup_name_info::match_any ()
+{
+ /* Lookup any symbol that "" would complete. I.e., this matches all
+ symbol names. */
+ static const lookup_name_info lookup_name ({}, symbol_name_match_type::FULL,
+ true);
+
+ return lookup_name;
+}
+
/* Compute the demangled form of NAME as used by the various symbol
lookup functions. The result can either be the input NAME
directly, or a pointer to a buffer owned by the STORAGE object.
return name;
}
+/* See symtab.h. */
+
+unsigned int
+search_name_hash (enum language language, const char *search_name)
+{
+ return language_def (language)->la_search_name_hash (search_name);
+}
+
/* See symtab.h.
This function (or rather its subordinates) have a bunch of loops and
search continues. */
void
-iterate_over_symbols (const struct block *block, const char *name,
+iterate_over_symbols (const struct block *block,
+ const lookup_name_info &name,
const domain_enum domain,
gdb::function_view<symbol_found_callback_ftype> callback)
{
{
return find_pc_sect_compunit_symtab (pc, find_pc_mapped_section (pc));
}
+
+/* See symtab.h. */
+
+struct symbol *
+find_symbol_at_address (CORE_ADDR address)
+{
+ struct objfile *objfile;
+
+ ALL_OBJFILES (objfile)
+ {
+ if (objfile->sf == NULL
+ || objfile->sf->qf->find_compunit_symtab_by_address == NULL)
+ continue;
+
+ struct compunit_symtab *symtab
+ = objfile->sf->qf->find_compunit_symtab_by_address (objfile, address);
+ if (symtab != NULL)
+ {
+ const struct blockvector *bv = COMPUNIT_BLOCKVECTOR (symtab);
+
+ for (int i = GLOBAL_BLOCK; i <= STATIC_BLOCK; ++i)
+ {
+ struct block *b = BLOCKVECTOR_BLOCK (bv, i);
+ struct block_iterator iter;
+ struct symbol *sym;
+
+ ALL_BLOCK_SYMBOLS (b, iter, sym)
+ {
+ if (SYMBOL_CLASS (sym) == LOC_STATIC
+ && SYMBOL_VALUE_ADDRESS (sym) == address)
+ return sym;
+ }
+ }
+ }
+ }
+
+ return NULL;
+}
+
\f
/* Find the source file and line number for a given PC value and SECTION.
int len;
int i;
struct linetable_entry *item;
- struct symtab_and_line val;
const struct blockvector *bv;
struct bound_minimal_symbol msymbol;
But what we want is the statement containing the instruction.
Fudge the pc to make sure we get that. */
- init_sal (&val); /* initialize to zeroes */
-
- val.pspace = current_program_space;
-
/* It's tempting to assume that, if we can't find debugging info for
any function enclosing PC, that we shouldn't search for line
number info, either. However, GAS can emit line number info for
return find_pc_line (BMSYMBOL_VALUE_ADDRESS (mfunsym), 0);
}
+ symtab_and_line val;
+ val.pspace = current_program_space;
cust = find_pc_sect_compunit_symtab (pc, section);
if (cust == NULL)
struct symtab_and_line
find_function_start_sal (struct symbol *sym, int funfirstline)
{
- struct symtab_and_line sal;
- struct obj_section *section;
-
fixup_symbol_section (sym, NULL);
- section = SYMBOL_OBJ_SECTION (symbol_objfile (sym), sym);
- sal = find_pc_sect_line (BLOCK_START (SYMBOL_BLOCK_VALUE (sym)), section, 0);
+
+ obj_section *section = SYMBOL_OBJ_SECTION (symbol_objfile (sym), sym);
+ symtab_and_line sal
+ = find_pc_sect_line (BLOCK_START (SYMBOL_BLOCK_VALUE (sym)), section, 0);
+ sal.symbol = sym;
if (funfirstline && sal.symtab != NULL
&& (COMPUNIT_LOCATIONS_VALID (SYMTAB_COMPUNIT (sal.symtab))
can find a line number for after the prologue. */
if (sal.pc < BLOCK_START (SYMBOL_BLOCK_VALUE (sym)))
{
- init_sal (&sal);
+ sal = {};
sal.pspace = current_program_space;
sal.pc = BLOCK_START (SYMBOL_BLOCK_VALUE (sym));
sal.section = section;
+ sal.symbol = sym;
}
if (funfirstline)
if (gdbarch_skip_entrypoint_p (gdbarch))
pc = gdbarch_skip_entrypoint (gdbarch, pc);
if (skip)
- pc = gdbarch_skip_prologue (gdbarch, pc);
+ pc = gdbarch_skip_prologue_noexcept (gdbarch, pc);
/* For overlays, map pc back into its mapped VMA range. */
pc = overlay_mapped_address (pc, section);
/* Don't return END_PC, which is past the end of the function. */
return prologue_sal.pc;
}
+
+/* See symtab.h. */
+
+symbol *
+find_function_alias_target (bound_minimal_symbol msymbol)
+{
+ CORE_ADDR func_addr;
+ if (!msymbol_is_function (msymbol.objfile, msymbol.minsym, &func_addr))
+ return NULL;
+
+ symbol *sym = find_pc_function (func_addr);
+ if (sym != NULL
+ && SYMBOL_CLASS (sym) == LOC_BLOCK
+ && BLOCK_START (SYMBOL_BLOCK_VALUE (sym)) == func_addr)
+ return sym;
+
+ return NULL;
+}
+
\f
/* If P is of the form "operator[ \t]+..." where `...' is
some legitimate operator text, return a pointer to the
operator_chars (const char *p, const char **end)
{
*end = "";
- if (!startswith (p, "operator"))
+ if (!startswith (p, CP_OPERATOR_STR))
return *end;
- p += 8;
+ p += CP_OPERATOR_LEN;
/* Don't get faked out by `operator' being part of a longer
identifier. */
}
static void
-sources_info (char *ignore, int from_tty)
+info_sources_command (const char *ignore, int from_tty)
{
struct compunit_symtab *cu;
struct symtab *s;
return 0;
}
-/* Free any memory associated with a search. */
-
-void
-free_search_symbols (struct symbol_search *symbols)
-{
- struct symbol_search *p;
- struct symbol_search *next;
-
- for (p = symbols; p != NULL; p = next)
- {
- next = p->next;
- xfree (p);
- }
-}
-
-static void
-do_free_search_symbols_cleanup (void *symbolsp)
-{
- struct symbol_search *symbols = *(struct symbol_search **) symbolsp;
-
- free_search_symbols (symbols);
-}
-
-struct cleanup *
-make_cleanup_free_search_symbols (struct symbol_search **symbolsp)
-{
- return make_cleanup (do_free_search_symbols_cleanup, symbolsp);
-}
-
/* Helper function for sort_search_symbols_remove_dups and qsort. Can only
sort symbols, not minimal symbols. */
-static int
-compare_search_syms (const void *sa, const void *sb)
+int
+symbol_search::compare_search_syms (const symbol_search &sym_a,
+ const symbol_search &sym_b)
{
- struct symbol_search *sym_a = *(struct symbol_search **) sa;
- struct symbol_search *sym_b = *(struct symbol_search **) sb;
int c;
- c = FILENAME_CMP (symbol_symtab (sym_a->symbol)->filename,
- symbol_symtab (sym_b->symbol)->filename);
+ c = FILENAME_CMP (symbol_symtab (sym_a.symbol)->filename,
+ symbol_symtab (sym_b.symbol)->filename);
if (c != 0)
return c;
- if (sym_a->block != sym_b->block)
- return sym_a->block - sym_b->block;
+ if (sym_a.block != sym_b.block)
+ return sym_a.block - sym_b.block;
- return strcmp (SYMBOL_PRINT_NAME (sym_a->symbol),
- SYMBOL_PRINT_NAME (sym_b->symbol));
+ return strcmp (SYMBOL_PRINT_NAME (sym_a.symbol),
+ SYMBOL_PRINT_NAME (sym_b.symbol));
}
-/* Sort the NFOUND symbols in list FOUND and remove duplicates.
- The duplicates are freed, and the new list is returned in
- *NEW_HEAD, *NEW_TAIL. */
+/* Sort the symbols in RESULT and remove duplicates. */
static void
-sort_search_symbols_remove_dups (struct symbol_search *found, int nfound,
- struct symbol_search **new_head,
- struct symbol_search **new_tail)
+sort_search_symbols_remove_dups (std::vector<symbol_search> *result)
{
- struct symbol_search **symbols, *symp;
- int i, j, nunique;
-
- gdb_assert (found != NULL && nfound > 0);
-
- /* Build an array out of the list so we can easily sort them. */
- symbols = XNEWVEC (struct symbol_search *, nfound);
-
- symp = found;
- for (i = 0; i < nfound; i++)
- {
- gdb_assert (symp != NULL);
- gdb_assert (symp->block >= 0 && symp->block <= 1);
- symbols[i] = symp;
- symp = symp->next;
- }
- gdb_assert (symp == NULL);
-
- qsort (symbols, nfound, sizeof (struct symbol_search *),
- compare_search_syms);
-
- /* Collapse out the dups. */
- for (i = 1, j = 1; i < nfound; ++i)
- {
- if (compare_search_syms (&symbols[j - 1], &symbols[i]) != 0)
- symbols[j++] = symbols[i];
- else
- xfree (symbols[i]);
- }
- nunique = j;
- symbols[j - 1]->next = NULL;
-
- /* Rebuild the linked list. */
- for (i = 0; i < nunique - 1; i++)
- symbols[i]->next = symbols[i + 1];
- symbols[nunique - 1]->next = NULL;
-
- *new_head = symbols[0];
- *new_tail = symbols[nunique - 1];
- xfree (symbols);
+ std::sort (result->begin (), result->end ());
+ result->erase (std::unique (result->begin (), result->end ()),
+ result->end ());
}
/* Search the symbol table for matches to the regular expression REGEXP,
- returning the results in *MATCHES.
+ returning the results.
Only symbols of KIND are searched:
VARIABLES_DOMAIN - search all symbols, excluding functions, type names,
TYPES_DOMAIN - search all type names
ALL_DOMAIN - an internal error for this function
- free_search_symbols should be called when *MATCHES is no longer needed.
-
Within each file the results are sorted locally; each symtab's global and
static blocks are separately alphabetized.
Duplicate entries are removed. */
-void
+std::vector<symbol_search>
search_symbols (const char *regexp, enum search_domain kind,
- int nfiles, const char *files[],
- struct symbol_search **matches)
+ int nfiles, const char *files[])
{
struct compunit_symtab *cust;
const struct blockvector *bv;
enum minimal_symbol_type ourtype2;
enum minimal_symbol_type ourtype3;
enum minimal_symbol_type ourtype4;
- struct symbol_search *found;
- struct symbol_search *tail;
- int nfound;
+ std::vector<symbol_search> result;
gdb::optional<compiled_regex> preg;
- /* OLD_CHAIN .. RETVAL_CHAIN is always freed, RETVAL_CHAIN .. current
- CLEANUP_CHAIN is freed only in the case of an error. */
- struct cleanup *old_chain = make_cleanup (null_cleanup, NULL);
- struct cleanup *retval_chain;
-
gdb_assert (kind <= TYPES_DOMAIN);
ourtype = types[kind];
ourtype3 = types3[kind];
ourtype4 = types4[kind];
- *matches = NULL;
-
if (regexp != NULL)
{
/* Make sure spacing is right for C++ operators.
and <TYPENAME> or <OPERATOR>. */
const char *opend;
const char *opname = operator_chars (regexp, &opend);
- int errcode;
if (*opname)
{
return file_matches (filename, files, nfiles,
basenames);
},
+ lookup_name_info::match_any (),
[&] (const char *symname)
{
return (!preg || preg->exec (symname,
}
}
- found = NULL;
- tail = NULL;
- nfound = 0;
- retval_chain = make_cleanup_free_search_symbols (&found);
-
ALL_COMPUNITS (objfile, cust)
{
bv = COMPUNIT_BLOCKVECTOR (cust);
&& SYMBOL_CLASS (sym) == LOC_TYPEDEF))))
{
/* match */
- struct symbol_search *psr = XCNEW (struct symbol_search);
-
- psr->block = i;
- psr->symbol = sym;
- psr->next = NULL;
- if (tail == NULL)
- found = psr;
- else
- tail->next = psr;
- tail = psr;
- nfound ++;
+ result.emplace_back (i, sym);
}
}
}
}
- if (found != NULL)
- {
- sort_search_symbols_remove_dups (found, nfound, &found, &tail);
- /* Note: nfound is no longer useful beyond this point. */
- }
+ if (!result.empty ())
+ sort_search_symbols_remove_dups (&result);
/* If there are no eyes, avoid all contact. I mean, if there are
no debug symbols, then add matching minsyms. */
.symbol == NULL)
{
/* match */
- struct symbol_search *psr = XNEW (struct symbol_search);
- psr->block = i;
- psr->msymbol.minsym = msymbol;
- psr->msymbol.objfile = objfile;
- psr->symbol = NULL;
- psr->next = NULL;
- if (tail == NULL)
- found = psr;
- else
- tail->next = psr;
- tail = psr;
+ result.emplace_back (i, msymbol, objfile);
}
}
}
}
}
- discard_cleanups (retval_chain);
- do_cleanups (old_chain);
- *matches = found;
+ return result;
}
/* Helper function for symtab_symbol_info, this function uses
matches. */
static void
-symtab_symbol_info (char *regexp, enum search_domain kind, int from_tty)
+symtab_symbol_info (const char *regexp, enum search_domain kind, int from_tty)
{
static const char * const classnames[] =
{"variable", "function", "type"};
- struct symbol_search *symbols;
- struct symbol_search *p;
- struct cleanup *old_chain;
const char *last_filename = NULL;
int first = 1;
gdb_assert (kind <= TYPES_DOMAIN);
/* Must make sure that if we're interrupted, symbols gets freed. */
- search_symbols (regexp, kind, 0, NULL, &symbols);
- old_chain = make_cleanup_free_search_symbols (&symbols);
+ std::vector<symbol_search> symbols = search_symbols (regexp, kind, 0, NULL);
if (regexp != NULL)
printf_filtered (_("All %ss matching regular expression \"%s\":\n"),
else
printf_filtered (_("All defined %ss:\n"), classnames[kind]);
- for (p = symbols; p != NULL; p = p->next)
+ for (const symbol_search &p : symbols)
{
QUIT;
- if (p->msymbol.minsym != NULL)
+ if (p.msymbol.minsym != NULL)
{
if (first)
{
printf_filtered (_("\nNon-debugging symbols:\n"));
first = 0;
}
- print_msymbol_info (p->msymbol);
+ print_msymbol_info (p.msymbol);
}
else
{
print_symbol_info (kind,
- p->symbol,
- p->block,
+ p.symbol,
+ p.block,
last_filename);
last_filename
- = symtab_to_filename_for_display (symbol_symtab (p->symbol));
+ = symtab_to_filename_for_display (symbol_symtab (p.symbol));
}
}
-
- do_cleanups (old_chain);
}
static void
-variables_info (char *regexp, int from_tty)
+info_variables_command (const char *regexp, int from_tty)
{
symtab_symbol_info (regexp, VARIABLES_DOMAIN, from_tty);
}
static void
-functions_info (char *regexp, int from_tty)
+info_functions_command (const char *regexp, int from_tty)
{
symtab_symbol_info (regexp, FUNCTIONS_DOMAIN, from_tty);
}
static void
-types_info (char *regexp, int from_tty)
+info_types_command (const char *regexp, int from_tty)
{
symtab_symbol_info (regexp, TYPES_DOMAIN, from_tty);
}
rbreak_command (regexp, from_tty);
}
-/* A cleanup function that calls end_rbreak_breakpoints. */
-
-static void
-do_end_rbreak_breakpoints (void *ignore)
-{
- end_rbreak_breakpoints ();
-}
-
static void
-rbreak_command (char *regexp, int from_tty)
+rbreak_command (const char *regexp, int from_tty)
{
- struct symbol_search *ss;
- struct symbol_search *p;
- struct cleanup *old_chain;
- char *string = NULL;
- int len = 0;
+ std::string string;
const char **files = NULL;
const char *file_name;
int nfiles = 0;
if (regexp)
{
- char *colon = strchr (regexp, ':');
+ const char *colon = strchr (regexp, ':');
if (colon && *(colon + 1) != ':')
{
}
}
- search_symbols (regexp, FUNCTIONS_DOMAIN, nfiles, files, &ss);
- old_chain = make_cleanup_free_search_symbols (&ss);
- make_cleanup (free_current_contents, &string);
+ std::vector<symbol_search> symbols = search_symbols (regexp,
+ FUNCTIONS_DOMAIN,
+ nfiles, files);
- start_rbreak_breakpoints ();
- make_cleanup (do_end_rbreak_breakpoints, NULL);
- for (p = ss; p != NULL; p = p->next)
+ scoped_rbreak_breakpoints finalize;
+ for (const symbol_search &p : symbols)
{
- if (p->msymbol.minsym == NULL)
+ if (p.msymbol.minsym == NULL)
{
- struct symtab *symtab = symbol_symtab (p->symbol);
+ struct symtab *symtab = symbol_symtab (p.symbol);
const char *fullname = symtab_to_fullname (symtab);
- int newlen = (strlen (fullname)
- + strlen (SYMBOL_LINKAGE_NAME (p->symbol))
- + 4);
-
- if (newlen > len)
- {
- string = (char *) xrealloc (string, newlen);
- len = newlen;
- }
- strcpy (string, fullname);
- strcat (string, ":'");
- strcat (string, SYMBOL_LINKAGE_NAME (p->symbol));
- strcat (string, "'");
- break_command (string, from_tty);
+ string = string_printf ("%s:'%s'", fullname,
+ SYMBOL_LINKAGE_NAME (p.symbol));
+ break_command (&string[0], from_tty);
print_symbol_info (FUNCTIONS_DOMAIN,
- p->symbol,
- p->block,
+ p.symbol,
+ p.block,
symtab_to_filename_for_display (symtab));
}
else
{
- int newlen = (strlen (MSYMBOL_LINKAGE_NAME (p->msymbol.minsym)) + 3);
-
- if (newlen > len)
- {
- string = (char *) xrealloc (string, newlen);
- len = newlen;
- }
- strcpy (string, "'");
- strcat (string, MSYMBOL_LINKAGE_NAME (p->msymbol.minsym));
- strcat (string, "'");
+ string = string_printf ("'%s'",
+ MSYMBOL_LINKAGE_NAME (p.msymbol.minsym));
- break_command (string, from_tty);
+ break_command (&string[0], from_tty);
printf_filtered ("<function, no debug info> %s;\n",
- MSYMBOL_PRINT_NAME (p->msymbol.minsym));
+ MSYMBOL_PRINT_NAME (p.msymbol.minsym));
}
}
-
- do_cleanups (old_chain);
}
\f
-/* Evaluate if NAME matches SYM_TEXT and SYM_TEXT_LEN.
-
- Either sym_text[sym_text_len] != '(' and then we search for any
- symbol starting with SYM_TEXT text.
-
- Otherwise sym_text[sym_text_len] == '(' and then we require symbol name to
- be terminated at that point. Partial symbol tables do not have parameters
- information. */
+/* Evaluate if SYMNAME matches LOOKUP_NAME. */
static int
-compare_symbol_name (const char *name, const char *sym_text, int sym_text_len)
-{
- int (*ncmp) (const char *, const char *, size_t);
-
- ncmp = (case_sensitivity == case_sensitive_on ? strncmp : strncasecmp);
-
- if (ncmp (name, sym_text, sym_text_len) != 0)
- return 0;
-
- if (sym_text[sym_text_len] == '(')
- {
- /* User searches for `name(someth...'. Require NAME to be terminated.
- Normally psymtabs and gdbindex have no parameter types so '\0' will be
- present but accept even parameters presence. In this case this
- function is in fact strcmp_iw but whitespace skipping is not supported
- for tab completion. */
+compare_symbol_name (const char *symbol_name, language symbol_language,
+ const lookup_name_info &lookup_name,
+ completion_match_result &match_res)
+{
+ const language_defn *lang;
+
+ /* If we're completing for an expression and the symbol doesn't have
+ an explicit language set, fallback to the current language. Ada
+ minimal symbols won't have their language set to Ada, for
+ example, and if we compared using the default/C-like matcher,
+ then when completing e.g., symbols in a package named "pck", we'd
+ match internal Ada symbols like "pckS", which are invalid in an
+ Ada expression, unless you wrap them in '<' '>' to request a
+ verbatim match. */
+ if (symbol_language == language_auto
+ && lookup_name.match_type () == symbol_name_match_type::EXPRESSION)
+ lang = current_language;
+ else
+ lang = language_def (symbol_language);
- if (name[sym_text_len] != '\0' && name[sym_text_len] != '(')
- return 0;
- }
+ symbol_name_matcher_ftype *name_match
+ = language_get_symbol_name_matcher (lang, lookup_name);
- return 1;
+ return name_match (symbol_name, lookup_name, &match_res);
}
-/* Test to see if the symbol specified by SYMNAME (which is already
- demangled for C++ symbols) matches SYM_TEXT in the first SYM_TEXT_LEN
- characters. If so, add it to the current completion list. */
+/* See symtab.h. */
-static void
+void
completion_list_add_name (completion_tracker &tracker,
+ language symbol_language,
const char *symname,
- const char *sym_text, int sym_text_len,
+ const lookup_name_info &lookup_name,
const char *text, const char *word)
{
+ completion_match_result &match_res
+ = tracker.reset_completion_match_result ();
+
/* Clip symbols that cannot match. */
- if (!compare_symbol_name (symname, sym_text, sym_text_len))
+ if (!compare_symbol_name (symname, symbol_language, lookup_name, match_res))
return;
+ /* Refresh SYMNAME from the match string. It's potentially
+ different depending on language. (E.g., on Ada, the match may be
+ the encoded symbol name wrapped in "<>"). */
+ symname = match_res.match.match ();
+ gdb_assert (symname != NULL);
+
/* We have a match for a completion, so add SYMNAME to the current list
of matches. Note that the name is moved to freshly malloc'd space. */
{
- char *newobj;
-
- if (word == sym_text)
- {
- newobj = (char *) xmalloc (strlen (symname) + 5);
- strcpy (newobj, symname);
- }
- else if (word > sym_text)
- {
- /* Return some portion of symname. */
- newobj = (char *) xmalloc (strlen (symname) + 5);
- strcpy (newobj, symname + (word - sym_text));
- }
- else
- {
- /* Return some of SYM_TEXT plus symname. */
- newobj = (char *) xmalloc (strlen (symname) + (sym_text - word) + 5);
- strncpy (newobj, word, sym_text - word);
- newobj[sym_text - word] = '\0';
- strcat (newobj, symname);
- }
-
- gdb::unique_xmalloc_ptr<char> completion (newobj);
-
- tracker.add_completion (std::move (completion));
+ gdb::unique_xmalloc_ptr<char> completion
+ = make_completion_match_str (symname, text, word);
+
+ /* Here we pass the match-for-lcd object to add_completion. Some
+ languages match the user text against substrings of symbol
+ names in some cases. E.g., in C++, "b push_ba" completes to
+ "std::vector::push_back", "std::string::push_back", etc., and
+ in this case we want the completion lowest common denominator
+ to be "push_back" instead of "std::". */
+ tracker.add_completion (std::move (completion),
+ &match_res.match_for_lcd);
}
}
static void
completion_list_add_symbol (completion_tracker &tracker,
symbol *sym,
- const char *sym_text, int sym_text_len,
+ const lookup_name_info &lookup_name,
const char *text, const char *word)
{
- completion_list_add_name (tracker, SYMBOL_NATURAL_NAME (sym),
- sym_text, sym_text_len, text, word);
+ completion_list_add_name (tracker, SYMBOL_LANGUAGE (sym),
+ SYMBOL_NATURAL_NAME (sym),
+ lookup_name, text, word);
}
/* completion_list_add_name wrapper for struct minimal_symbol. */
static void
completion_list_add_msymbol (completion_tracker &tracker,
minimal_symbol *sym,
- const char *sym_text, int sym_text_len,
+ const lookup_name_info &lookup_name,
const char *text, const char *word)
{
- completion_list_add_name (tracker, MSYMBOL_NATURAL_NAME (sym),
- sym_text, sym_text_len, text, word);
+ completion_list_add_name (tracker, MSYMBOL_LANGUAGE (sym),
+ MSYMBOL_NATURAL_NAME (sym),
+ lookup_name, text, word);
}
+
/* ObjC: In case we are completing on a selector, look as the msymbol
again and feed all the selectors into the mill. */
static void
completion_list_objc_symbol (completion_tracker &tracker,
struct minimal_symbol *msymbol,
- const char *sym_text, int sym_text_len,
+ const lookup_name_info &lookup_name,
const char *text, const char *word)
{
static char *tmp = NULL;
if ((method[0] != '-') && (method[0] != '+'))
return;
- if (sym_text[0] == '[')
+ if (text[0] == '[')
/* Complete on shortened method method. */
- completion_list_add_name (tracker, method + 1,
- sym_text, sym_text_len, text, word);
+ completion_list_add_name (tracker, language_objc,
+ method + 1,
+ lookup_name,
+ text, word);
while ((strlen (method) + 1) >= tmplen)
{
memcpy (tmp, method, (category - method));
tmp[category - method] = ' ';
memcpy (tmp + (category - method) + 1, selector, strlen (selector) + 1);
- completion_list_add_name (tracker, tmp,
- sym_text, sym_text_len, text, word);
- if (sym_text[0] == '[')
- completion_list_add_name (tracker, tmp + 1,
- sym_text, sym_text_len, text, word);
+ completion_list_add_name (tracker, language_objc, tmp,
+ lookup_name, text, word);
+ if (text[0] == '[')
+ completion_list_add_name (tracker, language_objc, tmp + 1,
+ lookup_name, text, word);
}
if (selector != NULL)
if (tmp2 != NULL)
*tmp2 = '\0';
- completion_list_add_name (tracker, tmp,
- sym_text, sym_text_len, text, word);
+ completion_list_add_name (tracker, language_objc, tmp,
+ lookup_name, text, word);
}
}
static void
completion_list_add_fields (completion_tracker &tracker,
struct symbol *sym,
- const char *sym_text, int sym_text_len,
+ const lookup_name_info &lookup_name,
const char *text, const char *word)
{
if (SYMBOL_CLASS (sym) == LOC_TYPEDEF)
if (c == TYPE_CODE_UNION || c == TYPE_CODE_STRUCT)
for (j = TYPE_N_BASECLASSES (t); j < TYPE_NFIELDS (t); j++)
if (TYPE_FIELD_NAME (t, j))
- completion_list_add_name (tracker, TYPE_FIELD_NAME (t, j),
- sym_text, sym_text_len, text, word);
+ completion_list_add_name (tracker, SYMBOL_LANGUAGE (sym),
+ TYPE_FIELD_NAME (t, j),
+ lookup_name, text, word);
+ }
+}
+
+/* See symtab.h. */
+
+bool
+symbol_is_function_or_method (symbol *sym)
+{
+ switch (TYPE_CODE (SYMBOL_TYPE (sym)))
+ {
+ case TYPE_CODE_FUNC:
+ case TYPE_CODE_METHOD:
+ return true;
+ default:
+ return false;
+ }
+}
+
+/* See symtab.h. */
+
+bool
+symbol_is_function_or_method (minimal_symbol *msymbol)
+{
+ switch (MSYMBOL_TYPE (msymbol))
+ {
+ case mst_text:
+ case mst_text_gnu_ifunc:
+ case mst_solib_trampoline:
+ case mst_file_text:
+ return true;
+ default:
+ return false;
}
}
static void
add_symtab_completions (struct compunit_symtab *cust,
completion_tracker &tracker,
- const char *sym_text, int sym_text_len,
+ complete_symbol_mode mode,
+ const lookup_name_info &lookup_name,
const char *text, const char *word,
enum type_code code)
{
b = BLOCKVECTOR_BLOCK (COMPUNIT_BLOCKVECTOR (cust), i);
ALL_BLOCK_SYMBOLS (b, iter, sym)
{
+ if (completion_skip_symbol (mode, sym))
+ continue;
+
if (code == TYPE_CODE_UNDEF
|| (SYMBOL_DOMAIN (sym) == STRUCT_DOMAIN
&& TYPE_CODE (SYMBOL_TYPE (sym)) == code))
completion_list_add_symbol (tracker, sym,
- sym_text, sym_text_len,
+ lookup_name,
text, word);
}
}
void
default_collect_symbol_completion_matches_break_on
- (completion_tracker &tracker,
+ (completion_tracker &tracker, complete_symbol_mode mode,
+ symbol_name_match_type name_match_type,
const char *text, const char *word,
const char *break_on, enum type_code code)
{
struct block_iterator iter;
/* The symbol we are completing on. Points in same buffer as text. */
const char *sym_text;
- /* Length of sym_text. */
- int sym_text_len;
/* Now look for the symbol we are supposed to complete on. */
+ if (mode == complete_symbol_mode::LINESPEC)
+ sym_text = text;
+ else
{
const char *p;
char quote_found;
}
}
- sym_text_len = strlen (sym_text);
-
- /* Prepare SYM_TEXT_LEN for compare_symbol_name. */
-
- if (current_language->la_language == language_cplus
- || current_language->la_language == language_fortran)
- {
- /* These languages may have parameters entered by user but they are never
- present in the partial symbol tables. */
-
- const char *cs = (const char *) memchr (sym_text, '(', sym_text_len);
-
- if (cs)
- sym_text_len = cs - sym_text;
- }
- gdb_assert (sym_text[sym_text_len] == '\0' || sym_text[sym_text_len] == '(');
+ lookup_name_info lookup_name (sym_text, name_match_type, true);
/* At this point scan through the misc symbol vectors and add each
symbol you find to the list. Eventually we want to ignore
{
QUIT;
- completion_list_add_msymbol (tracker,
- msymbol, sym_text, sym_text_len,
- text, word);
+ if (completion_skip_symbol (mode, msymbol))
+ continue;
+
+ completion_list_add_msymbol (tracker, msymbol, lookup_name,
+ sym_text, word);
- completion_list_objc_symbol (tracker,
- msymbol, sym_text, sym_text_len,
- text, word);
+ completion_list_objc_symbol (tracker, msymbol, lookup_name,
+ sym_text, word);
}
}
/* Add completions for all currently loaded symbol tables. */
ALL_COMPUNITS (objfile, cust)
- add_symtab_completions (cust, tracker,
- sym_text, sym_text_len, text, word, code);
+ add_symtab_completions (cust, tracker, mode, lookup_name,
+ sym_text, word, code);
/* Look through the partial symtabs for all symbols which begin by
matching SYM_TEXT. Expand all CUs that you find to the list. */
expand_symtabs_matching (NULL,
- [&] (const char *name) /* symbol matcher */
- {
- return compare_symbol_name (name,
- sym_text,
- sym_text_len);
- },
+ lookup_name,
+ NULL,
[&] (compunit_symtab *symtab) /* expansion notify */
{
add_symtab_completions (symtab,
- tracker,
- sym_text, sym_text_len,
- text, word, code);
+ tracker, mode, lookup_name,
+ sym_text, word, code);
},
ALL_DOMAIN);
{
if (code == TYPE_CODE_UNDEF)
{
- completion_list_add_symbol (tracker, sym,
- sym_text, sym_text_len, text,
- word);
- completion_list_add_fields (tracker, sym,
- sym_text, sym_text_len, text,
- word);
+ completion_list_add_symbol (tracker, sym, lookup_name,
+ sym_text, word);
+ completion_list_add_fields (tracker, sym, lookup_name,
+ sym_text, word);
}
else if (SYMBOL_DOMAIN (sym) == STRUCT_DOMAIN
&& TYPE_CODE (SYMBOL_TYPE (sym)) == code)
- completion_list_add_symbol (tracker, sym,
- sym_text, sym_text_len, text,
- word);
+ completion_list_add_symbol (tracker, sym, lookup_name,
+ sym_text, word);
}
/* Stop when we encounter an enclosing function. Do not stop for
{
if (surrounding_static_block != NULL)
ALL_BLOCK_SYMBOLS (surrounding_static_block, iter, sym)
- completion_list_add_fields (tracker, sym,
- sym_text, sym_text_len, text, word);
+ completion_list_add_fields (tracker, sym, lookup_name,
+ sym_text, word);
if (surrounding_global_block != NULL)
ALL_BLOCK_SYMBOLS (surrounding_global_block, iter, sym)
- completion_list_add_fields (tracker, sym,
- sym_text, sym_text_len, text, word);
+ completion_list_add_fields (tracker, sym, lookup_name,
+ sym_text, word);
}
/* Skip macros if we are completing a struct tag -- arguable but
macro_source_file *,
int)
{
- completion_list_add_name (tracker, macro_name,
- sym_text, sym_text_len,
- text, word);
+ completion_list_add_name (tracker, language_c, macro_name,
+ lookup_name, sym_text, word);
};
/* Add any macros visible in the default scope. Note that this
void
default_collect_symbol_completion_matches (completion_tracker &tracker,
+ complete_symbol_mode mode,
+ symbol_name_match_type name_match_type,
const char *text, const char *word,
enum type_code code)
{
- return default_collect_symbol_completion_matches_break_on (tracker,
+ return default_collect_symbol_completion_matches_break_on (tracker, mode,
+ name_match_type,
text, word, "",
code);
}
void
collect_symbol_completion_matches (completion_tracker &tracker,
+ complete_symbol_mode mode,
+ symbol_name_match_type name_match_type,
const char *text, const char *word)
{
- current_language->la_collect_symbol_completion_matches (tracker,
+ current_language->la_collect_symbol_completion_matches (tracker, mode,
+ name_match_type,
text, word,
TYPE_CODE_UNDEF);
}
const char *text, const char *word,
enum type_code code)
{
+ complete_symbol_mode mode = complete_symbol_mode::EXPRESSION;
+ symbol_name_match_type name_match_type = symbol_name_match_type::EXPRESSION;
+
gdb_assert (code == TYPE_CODE_UNION
|| code == TYPE_CODE_STRUCT
|| code == TYPE_CODE_ENUM);
- current_language->la_collect_symbol_completion_matches (tracker,
+ current_language->la_collect_symbol_completion_matches (tracker, mode,
+ name_match_type,
text, word, code);
}
void
collect_file_symbol_completion_matches (completion_tracker &tracker,
+ complete_symbol_mode mode,
+ symbol_name_match_type name_match_type,
const char *text, const char *word,
const char *srcfile)
{
/* The symbol we are completing on. Points in same buffer as text. */
const char *sym_text;
- /* Length of sym_text. */
- int sym_text_len;
/* Now look for the symbol we are supposed to complete on.
FIXME: This should be language-specific. */
+ if (mode == complete_symbol_mode::LINESPEC)
+ sym_text = text;
+ else
{
const char *p;
char quote_found;
}
}
- sym_text_len = strlen (sym_text);
+ lookup_name_info lookup_name (sym_text, name_match_type, true);
/* Go through symtabs for SRCFILE and check the externs and statics
for symbols which match. */
iterate_over_symtabs (srcfile, [&] (symtab *s)
{
add_symtab_completions (SYMTAB_COMPUNIT (s),
- tracker,
- sym_text, sym_text_len,
- text, word, TYPE_CODE_UNDEF);
+ tracker, mode, lookup_name,
+ sym_text, word, TYPE_CODE_UNDEF);
return false;
});
}
add_filename_to_list (const char *fname, const char *text, const char *word,
completion_list *list)
{
- char *newobj;
- size_t fnlen = strlen (fname);
-
- if (word == text)
- {
- /* Return exactly fname. */
- newobj = (char *) xmalloc (fnlen + 5);
- strcpy (newobj, fname);
- }
- else if (word > text)
- {
- /* Return some portion of fname. */
- newobj = (char *) xmalloc (fnlen + 5);
- strcpy (newobj, fname + (word - text));
- }
- else
- {
- /* Return some of TEXT plus fname. */
- newobj = (char *) xmalloc (fnlen + (text - word) + 5);
- strncpy (newobj, word, text - word);
- newobj[text - word] = '\0';
- strcat (newobj, fname);
- }
- list->emplace_back (newobj);
+ list->emplace_back (make_completion_match_str (fname, text, word));
}
static int
completion_list list;
const char *base_name;
struct add_partial_filename_data datum;
- struct cleanup *back_to;
if (!have_full_symbols () && !have_partial_symbols ())
return list;
struct template_symbol *result;
result = OBSTACK_ZALLOC (&objfile->objfile_obstack, struct template_symbol);
- initialize_objfile_symbol_1 (&result->base);
+ initialize_objfile_symbol_1 (result);
return result;
}
symbol_cache_key
= register_program_space_data_with_cleanup (NULL, symbol_cache_cleanup);
- add_info ("variables", variables_info, _("\
+ add_info ("variables", info_variables_command, _("\
All global and static variable names, or those matching REGEXP."));
if (dbx_commands)
- add_com ("whereis", class_info, variables_info, _("\
+ add_com ("whereis", class_info, info_variables_command, _("\
All global and static variable names, or those matching REGEXP."));
- add_info ("functions", functions_info,
+ add_info ("functions", info_functions_command,
_("All function names, or those matching REGEXP."));
/* FIXME: This command has at least the following problems:
print "struct foo *".
I also think "ptype" or "whatis" is more likely to be useful (but if
there is much disagreement "info types" can be fixed). */
- add_info ("types", types_info,
+ add_info ("types", info_types_command,
_("All type names, or those matching REGEXP."));
- add_info ("sources", sources_info,
+ add_info ("sources", info_sources_command,
_("Source files in the program."));
add_com ("rbreak", class_breakpoint, rbreak_command,
projects / deliverable / binutils-gdb.git / blobdiff