X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fcp-support.h;h=6ca898315bb1a8d4f9632e73680eab260167c622;hb=ae090bdbf8876d4f72f357cf78301b5e8ec13751;hp=f463d598c60e9b88d9372596af4c5788d16591aa;hpb=d3cbe7ef42305a5a67982ea342c8df8d3fc5fc5f;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/cp-support.h b/gdb/cp-support.h index f463d598c6..6ca898315b 100644 --- a/gdb/cp-support.h +++ b/gdb/cp-support.h @@ -1,5 +1,5 @@ /* Helper routines for C++ support in GDB. - Copyright 2002, 2003, 2004 Free Software Foundation, Inc. + Copyright (C) 2002-2020 Free Software Foundation, Inc. Contributed by MontaVista Software. Namespace support contributed by David Carlton. @@ -8,7 +8,7 @@ This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or + the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, @@ -17,9 +17,7 @@ GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ + along with this program. If not, see . */ #ifndef CP_SUPPORT_H #define CP_SUPPORT_H @@ -27,31 +25,69 @@ /* We need this for 'domain_enum', alas... */ #include "symtab.h" +#include "gdbsupport/gdb_vecs.h" +#include "gdb_obstack.h" +#include "gdbsupport/array-view.h" +#include /* Opaque declarations. */ struct symbol; -struct obstack; struct block; +struct buildsym_compunit; struct objfile; struct type; +struct demangle_component; +struct using_direct; -/* This struct is designed to store data from using directives. It - says that names from namespace INNER should be visible within - namespace OUTER. OUTER should always be a strict initial substring - of INNER. These form a linked list; NEXT is the next element of - the list. */ +/* A string representing the name of the anonymous namespace used in GDB. */ -struct using_direct +#define CP_ANONYMOUS_NAMESPACE_STR "(anonymous namespace)" + +/* The length of the string representing the anonymous namespace. */ + +#define CP_ANONYMOUS_NAMESPACE_LEN 21 + +/* A string representing the start of an operator name. */ + +#define CP_OPERATOR_STR "operator" + +/* The length of CP_OPERATOR_STR. */ + +#define CP_OPERATOR_LEN 8 + +/* The result of parsing a name. */ + +struct demangle_parse_info { - char *inner; - char *outer; - struct using_direct *next; + demangle_parse_info (); + + ~demangle_parse_info (); + + /* The memory used during the parse. */ + struct demangle_info *info; + + /* The result of the parse. */ + struct demangle_component *tree; + + /* Any temporary memory used during typedef replacement. */ + struct obstack obstack; }; /* Functions from cp-support.c. */ +extern gdb::unique_xmalloc_ptr cp_canonicalize_string + (const char *string); + +extern gdb::unique_xmalloc_ptr cp_canonicalize_string_no_typedefs + (const char *string); + +typedef const char *(canonicalization_ftype) (struct type *, void *); + +extern gdb::unique_xmalloc_ptr cp_canonicalize_string_full + (const char *string, canonicalization_ftype *finder, void *data); + extern char *cp_class_name_from_physname (const char *physname); extern char *method_name_from_physname (const char *physname); @@ -60,67 +96,103 @@ extern unsigned int cp_find_first_component (const char *name); extern unsigned int cp_entire_prefix_len (const char *name); -extern char *cp_func_name (const char *full_name); +extern gdb::unique_xmalloc_ptr cp_func_name (const char *full_name); + +extern gdb::unique_xmalloc_ptr cp_remove_params + (const char *demanged_name); + +/* DEMANGLED_NAME is the name of a function, (optionally) including + parameters and (optionally) a return type. Return the name of the + function without parameters or return type, or NULL if we can not + parse the name. If COMPLETION_MODE is true, then tolerate a + non-existing or unbalanced parameter list. */ +extern gdb::unique_xmalloc_ptr cp_remove_params_if_any + (const char *demangled_name, bool completion_mode); + +extern std::vector make_symbol_overload_list (const char *, + const char *); -extern struct symbol **make_symbol_overload_list (const char *, - const char *); +extern void add_symbol_overload_list_adl + (gdb::array_view arg_types, + const char *func_name, + std::vector *overload_list); extern struct type *cp_lookup_rtti_type (const char *name, - struct block *block); + const struct block *block); + +/* Produce an unsigned hash value from SEARCH_NAME that is compatible + with cp_symbol_name_matches. Only the last component in + "foo::bar::function()" is considered for hashing purposes (i.e., + the entire prefix is skipped), so that later on looking up for + "function" or "bar::function" in all namespaces is possible. */ +extern unsigned int cp_search_name_hash (const char *search_name); + +/* Implement the "la_get_symbol_name_matcher" language_defn method for + C++. */ +extern symbol_name_matcher_ftype *cp_get_symbol_name_matcher + (const lookup_name_info &lookup_name); /* Functions/variables from cp-namespace.c. */ -extern unsigned char processing_has_namespace_info; +extern int cp_is_in_anonymous (const char *symbol_name); -extern const char *processing_current_prefix; +extern void cp_scan_for_anonymous_namespaces (struct buildsym_compunit *, + const struct symbol *symbol, + struct objfile *objfile); -extern int cp_is_anonymous (const char *namespace); +extern struct block_symbol cp_lookup_symbol_nonlocal + (const struct language_defn *langdef, + const char *name, + const struct block *block, + const domain_enum domain); -extern void cp_add_using_directive (const char *name, - unsigned int outer_length, - unsigned int inner_length); +extern struct block_symbol + cp_lookup_symbol_namespace (const char *the_namespace, + const char *name, + const struct block *block, + const domain_enum domain); -extern void cp_initialize_namespace (void); +extern struct block_symbol cp_lookup_symbol_imports_or_template + (const char *scope, + const char *name, + const struct block *block, + const domain_enum domain); -extern void cp_finalize_namespace (struct block *static_block, - struct obstack *obstack); +extern struct block_symbol + cp_lookup_nested_symbol (struct type *parent_type, + const char *nested_name, + const struct block *block, + const domain_enum domain); -extern void cp_set_block_scope (const struct symbol *symbol, - struct block *block, - struct obstack *obstack); +struct type *cp_lookup_transparent_type (const char *name); -extern void cp_scan_for_anonymous_namespaces (const struct symbol *symbol); +/* See description in cp-namespace.c. */ -extern struct symbol *cp_lookup_symbol_nonlocal (const char *name, - const char *linkage_name, - const struct block *block, - const domain_enum domain, - struct symtab **symtab); +struct type *cp_find_type_baseclass_by_name (struct type *parent_type, + const char *name); -extern struct symbol *cp_lookup_symbol_namespace (const char *namespace, - const char *name, - const char *linkage_name, - const struct block *block, - const domain_enum domain, - struct symtab **symtab); +/* Functions from cp-name-parser.y. */ -extern struct type *cp_lookup_nested_type (struct type *parent_type, - const char *nested_name, - const struct block *block); +extern std::unique_ptr cp_demangled_name_to_comp + (const char *demangled_name, std::string *errmsg); -extern void cp_check_possible_namespace_symbols (const char *name, - struct objfile *objfile); +extern gdb::unique_xmalloc_ptr cp_comp_to_string + (struct demangle_component *result, int estimated_len); -struct type *cp_lookup_transparent_type (const char *name); +extern void cp_merge_demangle_parse_infos (struct demangle_parse_info *, + struct demangle_component *, + struct demangle_parse_info *); /* The list of "maint cplus" commands. */ extern struct cmd_list_element *maint_cplus_cmd_list; -/* Pointer to member function. Depends on compiler implementation. */ +/* A wrapper for bfd_demangle. */ + +char *gdb_demangle (const char *name, int options); + +/* Like gdb_demangle, but suitable for use as la_sniff_from_mangled_name. */ -#define METHOD_PTR_IS_VIRTUAL(ADDR) ((ADDR) & 0x80000000) -#define METHOD_PTR_FROM_VOFFSET(OFFSET) (0x80000000 + (OFFSET)) -#define METHOD_PTR_TO_VOFFSET(ADDR) (~0x80000000 & (ADDR)) +int gdb_sniff_from_mangled_name (const char *mangled, char **demangled); #endif /* CP_SUPPORT_H */