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Alukym
201
third-party/demangle/cp-demangle.h
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third-party/demangle/cp-demangle.h
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/* Internal demangler interface for g++ V3 ABI.
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Copyright (C) 2003-2021 Free Software Foundation, Inc.
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Written by Ian Lance Taylor <ian@wasabisystems.com>.
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This file is part of the libiberty library, which is part of GCC.
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This file is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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In addition to the permissions in the GNU General Public License, the
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Free Software Foundation gives you unlimited permission to link the
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compiled version of this file into combinations with other programs,
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and to distribute those combinations without any restriction coming
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from the use of this file. (The General Public License restrictions
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do apply in other respects; for example, they cover modification of
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the file, and distribution when not linked into a combined
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executable.)
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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/* This file provides some definitions shared by cp-demangle.c and
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cp-demint.c. It should not be included by any other files. */
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/* Information we keep for operators. */
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struct demangle_operator_info
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{
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/* Mangled name. */
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const char *code;
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/* Real name. */
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const char *name;
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/* Length of real name. */
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int len;
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/* Number of arguments. */
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int args;
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};
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/* How to print the value of a builtin type. */
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enum d_builtin_type_print
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{
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/* Print as (type)val. */
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D_PRINT_DEFAULT,
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/* Print as integer. */
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D_PRINT_INT,
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/* Print as unsigned integer, with trailing "u". */
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D_PRINT_UNSIGNED,
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/* Print as long, with trailing "l". */
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D_PRINT_LONG,
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/* Print as unsigned long, with trailing "ul". */
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D_PRINT_UNSIGNED_LONG,
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/* Print as long long, with trailing "ll". */
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D_PRINT_LONG_LONG,
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/* Print as unsigned long long, with trailing "ull". */
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D_PRINT_UNSIGNED_LONG_LONG,
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/* Print as bool. */
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D_PRINT_BOOL,
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/* Print as float--put value in square brackets. */
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D_PRINT_FLOAT,
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/* Print in usual way, but here to detect void. */
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D_PRINT_VOID
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};
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/* Information we keep for a builtin type. */
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struct demangle_builtin_type_info
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{
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/* Type name. */
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const char *name;
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/* Length of type name. */
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int len;
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/* Type name when using Java. */
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const char *java_name;
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/* Length of java name. */
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int java_len;
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/* How to print a value of this type. */
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enum d_builtin_type_print print;
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};
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/* The information structure we pass around. */
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struct d_info
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{
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/* The string we are demangling. */
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const char *s;
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/* The end of the string we are demangling. */
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const char *send;
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/* The options passed to the demangler. */
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int options;
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/* The next character in the string to consider. */
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const char *n;
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/* The array of components. */
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struct demangle_component *comps;
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/* The index of the next available component. */
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int next_comp;
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/* The number of available component structures. */
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int num_comps;
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/* The array of substitutions. */
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struct demangle_component **subs;
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/* The index of the next substitution. */
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int next_sub;
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/* The number of available entries in the subs array. */
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int num_subs;
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/* The last name we saw, for constructors and destructors. */
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struct demangle_component *last_name;
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/* A running total of the length of large expansions from the
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mangled name to the demangled name, such as standard
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substitutions and builtin types. */
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int expansion;
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/* Non-zero if we are parsing an expression. */
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int is_expression;
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/* Non-zero if we are parsing the type operand of a conversion
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operator, but not when in an expression. */
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int is_conversion;
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/* 1: using new unresolved-name grammar.
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-1: using new unresolved-name grammar and saw an unresolved-name.
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0: using old unresolved-name grammar. */
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int unresolved_name_state;
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/* If DMGL_NO_RECURSE_LIMIT is not active then this is set to
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the current recursion level. */
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unsigned int recursion_level;
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};
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/* To avoid running past the ending '\0', don't:
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- call d_peek_next_char if d_peek_char returned '\0'
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- call d_advance with an 'i' that is too large
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- call d_check_char(di, '\0')
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Everything else is safe. */
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#define d_peek_char(di) (*((di)->n))
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#ifndef CHECK_DEMANGLER
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# define d_peek_next_char(di) ((di)->n[1])
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# define d_advance(di, i) ((di)->n += (i))
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#endif
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#define d_check_char(di, c) (d_peek_char(di) == c ? ((di)->n++, 1) : 0)
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#define d_next_char(di) (d_peek_char(di) == '\0' ? '\0' : *((di)->n++))
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#define d_str(di) ((di)->n)
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#ifdef CHECK_DEMANGLER
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static inline char
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d_peek_next_char (const struct d_info *di)
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{
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if (!di->n[0])
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abort ();
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return di->n[1];
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}
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static inline void
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d_advance (struct d_info *di, int i)
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{
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if (i < 0)
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abort ();
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while (i--)
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{
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if (!di->n[0])
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abort ();
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di->n++;
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}
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}
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#endif
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/* Functions and arrays in cp-demangle.c which are referenced by
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functions in cp-demint.c. */
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#ifdef IN_GLIBCPP_V3
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#define CP_STATIC_IF_GLIBCPP_V3 static
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#else
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#define CP_STATIC_IF_GLIBCPP_V3 extern
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#endif
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#ifndef IN_GLIBCPP_V3
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extern const struct demangle_operator_info cplus_demangle_operators[];
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#endif
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#define D_BUILTIN_TYPE_COUNT (34)
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CP_STATIC_IF_GLIBCPP_V3
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const struct demangle_builtin_type_info
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cplus_demangle_builtin_types[D_BUILTIN_TYPE_COUNT];
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CP_STATIC_IF_GLIBCPP_V3
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struct demangle_component *
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cplus_demangle_mangled_name (struct d_info *, int);
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CP_STATIC_IF_GLIBCPP_V3
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struct demangle_component *
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cplus_demangle_type (struct d_info *);
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extern void
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cplus_demangle_init_info (const char *, int, size_t, struct d_info *);
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/* cp-demangle.c needs to define this a little differently */
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#undef CP_STATIC_IF_GLIBCPP_V3
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