655 lines
25 KiB
C
655 lines
25 KiB
C
/* Defs for interface to demanglers.
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Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2000, 2001, 2002,
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2003, 2004, 2005, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License
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as published by the Free Software Foundation; either version 2, or
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(at your option) any later version.
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In addition to the permissions in the GNU Library General Public
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License, the Free Software Foundation gives you unlimited
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permission to link the compiled version of this file into
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combinations with other programs, and to distribute those
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combinations without any restriction coming from the use of this
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file. (The Library Public License restrictions do apply in other
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respects; for example, they cover modification of the file, and
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distribution when not linked into a combined executable.)
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
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02110-1301, USA. */
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#if !defined (DEMANGLE_H)
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#define DEMANGLE_H
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#include "libiberty.h"
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/* Options passed to cplus_demangle (in 2nd parameter). */
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#define DMGL_NO_OPTS 0 /* For readability... */
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#define DMGL_PARAMS (1 << 0) /* Include function args */
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#define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */
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#define DMGL_JAVA (1 << 2) /* Demangle as Java rather than C++. */
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#define DMGL_VERBOSE (1 << 3) /* Include implementation details. */
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#define DMGL_TYPES (1 << 4) /* Also try to demangle type encodings. */
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#define DMGL_RET_POSTFIX (1 << 5) /* Print function return types (when
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present) after function signature.
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It applies only to the toplevel
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function type. */
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#define DMGL_RET_DROP (1 << 6) /* Suppress printing function return
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types, even if present. It applies
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only to the toplevel function type.
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*/
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#define DMGL_AUTO (1 << 8)
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#define DMGL_GNU (1 << 9)
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#define DMGL_LUCID (1 << 10)
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#define DMGL_ARM (1 << 11)
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#define DMGL_HP (1 << 12) /* For the HP aCC compiler;
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same as ARM except for
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template arguments, etc. */
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#define DMGL_EDG (1 << 13)
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#define DMGL_GNU_V3 (1 << 14)
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#define DMGL_GNAT (1 << 15)
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/* If none of these are set, use 'current_demangling_style' as the default. */
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#define DMGL_STYLE_MASK (DMGL_AUTO|DMGL_GNU|DMGL_LUCID|DMGL_ARM|DMGL_HP|DMGL_EDG|DMGL_GNU_V3|DMGL_JAVA|DMGL_GNAT)
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/* Enumeration of possible demangling styles.
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Lucid and ARM styles are still kept logically distinct, even though
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they now both behave identically. The resulting style is actual the
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union of both. I.E. either style recognizes both "__pt__" and "__rf__"
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for operator "->", even though the first is lucid style and the second
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is ARM style. (FIXME?) */
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extern enum demangling_styles
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{
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no_demangling = -1,
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unknown_demangling = 0,
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auto_demangling = DMGL_AUTO,
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gnu_demangling = DMGL_GNU,
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lucid_demangling = DMGL_LUCID,
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arm_demangling = DMGL_ARM,
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hp_demangling = DMGL_HP,
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edg_demangling = DMGL_EDG,
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gnu_v3_demangling = DMGL_GNU_V3,
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java_demangling = DMGL_JAVA,
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gnat_demangling = DMGL_GNAT
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} current_demangling_style;
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/* Define string names for the various demangling styles. */
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#define NO_DEMANGLING_STYLE_STRING "none"
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#define AUTO_DEMANGLING_STYLE_STRING "auto"
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#define GNU_DEMANGLING_STYLE_STRING "gnu"
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#define LUCID_DEMANGLING_STYLE_STRING "lucid"
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#define ARM_DEMANGLING_STYLE_STRING "arm"
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#define HP_DEMANGLING_STYLE_STRING "hp"
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#define EDG_DEMANGLING_STYLE_STRING "edg"
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#define GNU_V3_DEMANGLING_STYLE_STRING "gnu-v3"
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#define JAVA_DEMANGLING_STYLE_STRING "java"
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#define GNAT_DEMANGLING_STYLE_STRING "gnat"
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/* Some macros to test what demangling style is active. */
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#define CURRENT_DEMANGLING_STYLE current_demangling_style
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#define AUTO_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_AUTO)
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#define GNU_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_GNU)
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#define LUCID_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_LUCID)
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#define ARM_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_ARM)
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#define HP_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_HP)
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#define EDG_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_EDG)
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#define GNU_V3_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_GNU_V3)
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#define JAVA_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_JAVA)
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#define GNAT_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_GNAT)
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/* Provide information about the available demangle styles. This code is
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pulled from gdb into libiberty because it is useful to binutils also. */
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extern const struct demangler_engine
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{
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const char *const demangling_style_name;
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const enum demangling_styles demangling_style;
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const char *const demangling_style_doc;
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} libiberty_demanglers[];
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extern char *
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cplus_demangle (const char *mangled, int options);
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extern int
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cplus_demangle_opname (const char *opname, char *result, int options);
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extern const char *
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cplus_mangle_opname (const char *opname, int options);
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/* Note: This sets global state. FIXME if you care about multi-threading. */
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extern void
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set_cplus_marker_for_demangling (int ch);
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extern enum demangling_styles
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cplus_demangle_set_style (enum demangling_styles style);
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extern enum demangling_styles
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cplus_demangle_name_to_style (const char *name);
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/* Callback typedef for allocation-less demangler interfaces. */
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typedef void (*demangle_callbackref) (const char *, size_t, void *);
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/* V3 ABI demangling entry points, defined in cp-demangle.c. Callback
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variants return non-zero on success, zero on error. char* variants
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return a string allocated by malloc on success, NULL on error. */
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extern int
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cplus_demangle_v3_callback (const char *mangled, int options,
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demangle_callbackref callback, void *opaque);
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extern char*
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cplus_demangle_v3 (const char *mangled, int options);
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extern int
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java_demangle_v3_callback (const char *mangled,
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demangle_callbackref callback, void *opaque);
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extern char*
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java_demangle_v3 (const char *mangled);
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char *
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ada_demangle (const char *mangled, int options);
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enum gnu_v3_ctor_kinds {
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gnu_v3_complete_object_ctor = 1,
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gnu_v3_base_object_ctor,
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gnu_v3_complete_object_allocating_ctor,
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gnu_v3_object_ctor_group
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};
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/* Return non-zero iff NAME is the mangled form of a constructor name
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in the G++ V3 ABI demangling style. Specifically, return an `enum
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gnu_v3_ctor_kinds' value indicating what kind of constructor
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it is. */
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extern enum gnu_v3_ctor_kinds
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is_gnu_v3_mangled_ctor (const char *name);
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enum gnu_v3_dtor_kinds {
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gnu_v3_deleting_dtor = 1,
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gnu_v3_complete_object_dtor,
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gnu_v3_base_object_dtor,
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gnu_v3_object_dtor_group
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};
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/* Return non-zero iff NAME is the mangled form of a destructor name
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in the G++ V3 ABI demangling style. Specifically, return an `enum
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gnu_v3_dtor_kinds' value, indicating what kind of destructor
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it is. */
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extern enum gnu_v3_dtor_kinds
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is_gnu_v3_mangled_dtor (const char *name);
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/* The V3 demangler works in two passes. The first pass builds a tree
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representation of the mangled name, and the second pass turns the
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tree representation into a demangled string. Here we define an
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interface to permit a caller to build their own tree
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representation, which they can pass to the demangler to get a
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demangled string. This can be used to canonicalize user input into
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something which the demangler might output. It could also be used
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by other demanglers in the future. */
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/* These are the component types which may be found in the tree. Many
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component types have one or two subtrees, referred to as left and
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right (a component type with only one subtree puts it in the left
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subtree). */
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enum demangle_component_type
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{
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/* A name, with a length and a pointer to a string. */
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DEMANGLE_COMPONENT_NAME,
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/* A qualified name. The left subtree is a class or namespace or
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some such thing, and the right subtree is a name qualified by
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that class. */
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DEMANGLE_COMPONENT_QUAL_NAME,
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/* A local name. The left subtree describes a function, and the
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right subtree is a name which is local to that function. */
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DEMANGLE_COMPONENT_LOCAL_NAME,
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/* A typed name. The left subtree is a name, and the right subtree
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describes that name as a function. */
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DEMANGLE_COMPONENT_TYPED_NAME,
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/* A template. The left subtree is a template name, and the right
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subtree is a template argument list. */
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DEMANGLE_COMPONENT_TEMPLATE,
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/* A template parameter. This holds a number, which is the template
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parameter index. */
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DEMANGLE_COMPONENT_TEMPLATE_PARAM,
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/* A function parameter. This holds a number, which is the index. */
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DEMANGLE_COMPONENT_FUNCTION_PARAM,
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/* A constructor. This holds a name and the kind of
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constructor. */
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DEMANGLE_COMPONENT_CTOR,
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/* A destructor. This holds a name and the kind of destructor. */
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DEMANGLE_COMPONENT_DTOR,
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/* A vtable. This has one subtree, the type for which this is a
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vtable. */
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DEMANGLE_COMPONENT_VTABLE,
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/* A VTT structure. This has one subtree, the type for which this
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is a VTT. */
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DEMANGLE_COMPONENT_VTT,
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/* A construction vtable. The left subtree is the type for which
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this is a vtable, and the right subtree is the derived type for
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which this vtable is built. */
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DEMANGLE_COMPONENT_CONSTRUCTION_VTABLE,
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/* A typeinfo structure. This has one subtree, the type for which
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this is the tpeinfo structure. */
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DEMANGLE_COMPONENT_TYPEINFO,
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/* A typeinfo name. This has one subtree, the type for which this
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is the typeinfo name. */
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DEMANGLE_COMPONENT_TYPEINFO_NAME,
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/* A typeinfo function. This has one subtree, the type for which
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this is the tpyeinfo function. */
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DEMANGLE_COMPONENT_TYPEINFO_FN,
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/* A thunk. This has one subtree, the name for which this is a
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thunk. */
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DEMANGLE_COMPONENT_THUNK,
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/* A virtual thunk. This has one subtree, the name for which this
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is a virtual thunk. */
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DEMANGLE_COMPONENT_VIRTUAL_THUNK,
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/* A covariant thunk. This has one subtree, the name for which this
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is a covariant thunk. */
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DEMANGLE_COMPONENT_COVARIANT_THUNK,
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/* A Java class. This has one subtree, the type. */
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DEMANGLE_COMPONENT_JAVA_CLASS,
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/* A guard variable. This has one subtree, the name for which this
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is a guard variable. */
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DEMANGLE_COMPONENT_GUARD,
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/* A reference temporary. This has one subtree, the name for which
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this is a temporary. */
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DEMANGLE_COMPONENT_REFTEMP,
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/* A hidden alias. This has one subtree, the encoding for which it
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is providing alternative linkage. */
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DEMANGLE_COMPONENT_HIDDEN_ALIAS,
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/* A standard substitution. This holds the name of the
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substitution. */
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DEMANGLE_COMPONENT_SUB_STD,
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/* The restrict qualifier. The one subtree is the type which is
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being qualified. */
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DEMANGLE_COMPONENT_RESTRICT,
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/* The volatile qualifier. The one subtree is the type which is
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being qualified. */
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DEMANGLE_COMPONENT_VOLATILE,
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/* The const qualifier. The one subtree is the type which is being
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qualified. */
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DEMANGLE_COMPONENT_CONST,
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/* The restrict qualifier modifying a member function. The one
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subtree is the type which is being qualified. */
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DEMANGLE_COMPONENT_RESTRICT_THIS,
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/* The volatile qualifier modifying a member function. The one
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subtree is the type which is being qualified. */
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DEMANGLE_COMPONENT_VOLATILE_THIS,
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/* The const qualifier modifying a member function. The one subtree
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is the type which is being qualified. */
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DEMANGLE_COMPONENT_CONST_THIS,
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/* A vendor qualifier. The left subtree is the type which is being
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qualified, and the right subtree is the name of the
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qualifier. */
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DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL,
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/* A pointer. The one subtree is the type which is being pointed
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to. */
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DEMANGLE_COMPONENT_POINTER,
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/* A reference. The one subtree is the type which is being
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referenced. */
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DEMANGLE_COMPONENT_REFERENCE,
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/* C++0x: An rvalue reference. The one subtree is the type which is
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being referenced. */
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DEMANGLE_COMPONENT_RVALUE_REFERENCE,
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/* A complex type. The one subtree is the base type. */
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DEMANGLE_COMPONENT_COMPLEX,
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/* An imaginary type. The one subtree is the base type. */
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DEMANGLE_COMPONENT_IMAGINARY,
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/* A builtin type. This holds the builtin type information. */
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DEMANGLE_COMPONENT_BUILTIN_TYPE,
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/* A vendor's builtin type. This holds the name of the type. */
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DEMANGLE_COMPONENT_VENDOR_TYPE,
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/* A function type. The left subtree is the return type. The right
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subtree is a list of ARGLIST nodes. Either or both may be
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NULL. */
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DEMANGLE_COMPONENT_FUNCTION_TYPE,
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/* An array type. The left subtree is the dimension, which may be
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NULL, or a string (represented as DEMANGLE_COMPONENT_NAME), or an
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expression. The right subtree is the element type. */
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DEMANGLE_COMPONENT_ARRAY_TYPE,
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/* A pointer to member type. The left subtree is the class type,
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and the right subtree is the member type. CV-qualifiers appear
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on the latter. */
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DEMANGLE_COMPONENT_PTRMEM_TYPE,
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/* A fixed-point type. */
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DEMANGLE_COMPONENT_FIXED_TYPE,
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/* A vector type. The left subtree is the number of elements,
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the right subtree is the element type. */
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DEMANGLE_COMPONENT_VECTOR_TYPE,
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/* An argument list. The left subtree is the current argument, and
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the right subtree is either NULL or another ARGLIST node. */
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DEMANGLE_COMPONENT_ARGLIST,
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/* A template argument list. The left subtree is the current
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template argument, and the right subtree is either NULL or
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another TEMPLATE_ARGLIST node. */
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DEMANGLE_COMPONENT_TEMPLATE_ARGLIST,
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/* An operator. This holds information about a standard
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operator. */
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DEMANGLE_COMPONENT_OPERATOR,
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/* An extended operator. This holds the number of arguments, and
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the name of the extended operator. */
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DEMANGLE_COMPONENT_EXTENDED_OPERATOR,
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/* A typecast, represented as a unary operator. The one subtree is
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the type to which the argument should be cast. */
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DEMANGLE_COMPONENT_CAST,
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/* A unary expression. The left subtree is the operator, and the
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right subtree is the single argument. */
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DEMANGLE_COMPONENT_UNARY,
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/* A binary expression. The left subtree is the operator, and the
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right subtree is a BINARY_ARGS. */
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DEMANGLE_COMPONENT_BINARY,
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/* Arguments to a binary expression. The left subtree is the first
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argument, and the right subtree is the second argument. */
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DEMANGLE_COMPONENT_BINARY_ARGS,
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/* A trinary expression. The left subtree is the operator, and the
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right subtree is a TRINARY_ARG1. */
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DEMANGLE_COMPONENT_TRINARY,
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/* Arguments to a trinary expression. The left subtree is the first
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argument, and the right subtree is a TRINARY_ARG2. */
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DEMANGLE_COMPONENT_TRINARY_ARG1,
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/* More arguments to a trinary expression. The left subtree is the
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second argument, and the right subtree is the third argument. */
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DEMANGLE_COMPONENT_TRINARY_ARG2,
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/* A literal. The left subtree is the type, and the right subtree
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is the value, represented as a DEMANGLE_COMPONENT_NAME. */
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DEMANGLE_COMPONENT_LITERAL,
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/* A negative literal. Like LITERAL, but the value is negated.
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This is a minor hack: the NAME used for LITERAL points directly
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to the mangled string, but since negative numbers are mangled
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using 'n' instead of '-', we want a way to indicate a negative
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number which involves neither modifying the mangled string nor
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allocating a new copy of the literal in memory. */
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DEMANGLE_COMPONENT_LITERAL_NEG,
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/* A libgcj compiled resource. The left subtree is the name of the
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resource. */
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DEMANGLE_COMPONENT_JAVA_RESOURCE,
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/* A name formed by the concatenation of two parts. The left
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subtree is the first part and the right subtree the second. */
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DEMANGLE_COMPONENT_COMPOUND_NAME,
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/* A name formed by a single character. */
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DEMANGLE_COMPONENT_CHARACTER,
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/* A number. */
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DEMANGLE_COMPONENT_NUMBER,
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/* A decltype type. */
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DEMANGLE_COMPONENT_DECLTYPE,
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/* Global constructors keyed to name. */
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DEMANGLE_COMPONENT_GLOBAL_CONSTRUCTORS,
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/* Global destructors keyed to name. */
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DEMANGLE_COMPONENT_GLOBAL_DESTRUCTORS,
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/* A lambda closure type. */
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DEMANGLE_COMPONENT_LAMBDA,
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/* A default argument scope. */
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DEMANGLE_COMPONENT_DEFAULT_ARG,
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/* An unnamed type. */
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DEMANGLE_COMPONENT_UNNAMED_TYPE,
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/* A transactional clone. This has one subtree, the encoding for
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which it is providing alternative linkage. */
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DEMANGLE_COMPONENT_TRANSACTION_CLONE,
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/* A non-transactional clone entry point. In the i386/x86_64 abi,
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the unmangled symbol of a tm_callable becomes a thunk and the
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non-transactional function version is mangled thus. */
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DEMANGLE_COMPONENT_NONTRANSACTION_CLONE,
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/* A pack expansion. */
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DEMANGLE_COMPONENT_PACK_EXPANSION,
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/* A cloned function. */
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DEMANGLE_COMPONENT_CLONE
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};
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/* Types which are only used internally. */
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struct demangle_operator_info;
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struct demangle_builtin_type_info;
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/* A node in the tree representation is an instance of a struct
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demangle_component. Note that the field names of the struct are
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not well protected against macros defined by the file including
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this one. We can fix this if it ever becomes a problem. */
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struct demangle_component
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{
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/* The type of this component. */
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enum demangle_component_type type;
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union
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{
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/* For DEMANGLE_COMPONENT_NAME. */
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struct
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{
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/* A pointer to the name (which need not NULL terminated) and
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its length. */
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const char *s;
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int len;
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} s_name;
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/* For DEMANGLE_COMPONENT_OPERATOR. */
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struct
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{
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/* Operator. */
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const struct demangle_operator_info *op;
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} s_operator;
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/* For DEMANGLE_COMPONENT_EXTENDED_OPERATOR. */
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struct
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{
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/* Number of arguments. */
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int args;
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/* Name. */
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struct demangle_component *name;
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} s_extended_operator;
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/* For DEMANGLE_COMPONENT_FIXED_TYPE. */
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struct
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|
{
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/* The length, indicated by a C integer type name. */
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struct demangle_component *length;
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/* _Accum or _Fract? */
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short accum;
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/* Saturating or not? */
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short sat;
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} s_fixed;
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/* For DEMANGLE_COMPONENT_CTOR. */
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struct
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{
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/* Kind of constructor. */
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enum gnu_v3_ctor_kinds kind;
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/* Name. */
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struct demangle_component *name;
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} s_ctor;
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/* For DEMANGLE_COMPONENT_DTOR. */
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struct
|
|
{
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/* Kind of destructor. */
|
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enum gnu_v3_dtor_kinds kind;
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/* Name. */
|
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struct demangle_component *name;
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} s_dtor;
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|
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/* For DEMANGLE_COMPONENT_BUILTIN_TYPE. */
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struct
|
|
{
|
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/* Builtin type. */
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const struct demangle_builtin_type_info *type;
|
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} s_builtin;
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|
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/* For DEMANGLE_COMPONENT_SUB_STD. */
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struct
|
|
{
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/* Standard substitution string. */
|
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const char* string;
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/* Length of string. */
|
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int len;
|
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} s_string;
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|
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/* For DEMANGLE_COMPONENT_*_PARAM. */
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struct
|
|
{
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/* Parameter index. */
|
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long number;
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|
} s_number;
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/* For DEMANGLE_COMPONENT_CHARACTER. */
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struct
|
|
{
|
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int character;
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} s_character;
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|
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/* For other types. */
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struct
|
|
{
|
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/* Left (or only) subtree. */
|
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struct demangle_component *left;
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/* Right subtree. */
|
|
struct demangle_component *right;
|
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} s_binary;
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|
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struct
|
|
{
|
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/* subtree, same place as d_left. */
|
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struct demangle_component *sub;
|
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/* integer. */
|
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int num;
|
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} s_unary_num;
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|
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} u;
|
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};
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|
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/* People building mangled trees are expected to allocate instances of
|
|
struct demangle_component themselves. They can then call one of
|
|
the following functions to fill them in. */
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|
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/* Fill in most component types with a left subtree and a right
|
|
subtree. Returns non-zero on success, zero on failure, such as an
|
|
unrecognized or inappropriate component type. */
|
|
|
|
extern int
|
|
cplus_demangle_fill_component (struct demangle_component *fill,
|
|
enum demangle_component_type,
|
|
struct demangle_component *left,
|
|
struct demangle_component *right);
|
|
|
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/* Fill in a DEMANGLE_COMPONENT_NAME. Returns non-zero on success,
|
|
zero for bad arguments. */
|
|
|
|
extern int
|
|
cplus_demangle_fill_name (struct demangle_component *fill,
|
|
const char *, int);
|
|
|
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/* Fill in a DEMANGLE_COMPONENT_BUILTIN_TYPE, using the name of the
|
|
builtin type (e.g., "int", etc.). Returns non-zero on success,
|
|
zero if the type is not recognized. */
|
|
|
|
extern int
|
|
cplus_demangle_fill_builtin_type (struct demangle_component *fill,
|
|
const char *type_name);
|
|
|
|
/* Fill in a DEMANGLE_COMPONENT_OPERATOR, using the name of the
|
|
operator and the number of arguments which it takes (the latter is
|
|
used to disambiguate operators which can be both binary and unary,
|
|
such as '-'). Returns non-zero on success, zero if the operator is
|
|
not recognized. */
|
|
|
|
extern int
|
|
cplus_demangle_fill_operator (struct demangle_component *fill,
|
|
const char *opname, int args);
|
|
|
|
/* Fill in a DEMANGLE_COMPONENT_EXTENDED_OPERATOR, providing the
|
|
number of arguments and the name. Returns non-zero on success,
|
|
zero for bad arguments. */
|
|
|
|
extern int
|
|
cplus_demangle_fill_extended_operator (struct demangle_component *fill,
|
|
int numargs,
|
|
struct demangle_component *nm);
|
|
|
|
/* Fill in a DEMANGLE_COMPONENT_CTOR. Returns non-zero on success,
|
|
zero for bad arguments. */
|
|
|
|
extern int
|
|
cplus_demangle_fill_ctor (struct demangle_component *fill,
|
|
enum gnu_v3_ctor_kinds kind,
|
|
struct demangle_component *name);
|
|
|
|
/* Fill in a DEMANGLE_COMPONENT_DTOR. Returns non-zero on success,
|
|
zero for bad arguments. */
|
|
|
|
extern int
|
|
cplus_demangle_fill_dtor (struct demangle_component *fill,
|
|
enum gnu_v3_dtor_kinds kind,
|
|
struct demangle_component *name);
|
|
|
|
/* This function translates a mangled name into a struct
|
|
demangle_component tree. The first argument is the mangled name.
|
|
The second argument is DMGL_* options. This returns a pointer to a
|
|
tree on success, or NULL on failure. On success, the third
|
|
argument is set to a block of memory allocated by malloc. This
|
|
block should be passed to free when the tree is no longer
|
|
needed. */
|
|
|
|
extern struct demangle_component *
|
|
cplus_demangle_v3_components (const char *mangled, int options, void **mem);
|
|
|
|
/* This function takes a struct demangle_component tree and returns
|
|
the corresponding demangled string. The first argument is DMGL_*
|
|
options. The second is the tree to demangle. The third is a guess
|
|
at the length of the demangled string, used to initially allocate
|
|
the return buffer. The fourth is a pointer to a size_t. On
|
|
success, this function returns a buffer allocated by malloc(), and
|
|
sets the size_t pointed to by the fourth argument to the size of
|
|
the allocated buffer (not the length of the returned string). On
|
|
failure, this function returns NULL, and sets the size_t pointed to
|
|
by the fourth argument to 0 for an invalid tree, or to 1 for a
|
|
memory allocation error. */
|
|
|
|
extern char *
|
|
cplus_demangle_print (int options,
|
|
const struct demangle_component *tree,
|
|
int estimated_length,
|
|
size_t *p_allocated_size);
|
|
|
|
/* This function takes a struct demangle_component tree and passes back
|
|
a demangled string in one or more calls to a callback function.
|
|
The first argument is DMGL_* options. The second is the tree to
|
|
demangle. The third is a pointer to a callback function; on each call
|
|
this receives an element of the demangled string, its length, and an
|
|
opaque value. The fourth is the opaque value passed to the callback.
|
|
The callback is called once or more to return the full demangled
|
|
string. The demangled element string is always nul-terminated, though
|
|
its length is also provided for convenience. In contrast to
|
|
cplus_demangle_print(), this function does not allocate heap memory
|
|
to grow output strings (except perhaps where alloca() is implemented
|
|
by malloc()), and so is normally safe for use where the heap has been
|
|
corrupted. On success, this function returns 1; on failure, 0. */
|
|
|
|
extern int
|
|
cplus_demangle_print_callback (int options,
|
|
const struct demangle_component *tree,
|
|
demangle_callbackref callback, void *opaque);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif /* __cplusplus */
|
|
|
|
#endif /* DEMANGLE_H */
|