X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;ds=sidebyside;f=libiberty%2Fcplus-dem.c;h=6d58bd899bf7d21144216db24d63376811d688fe;hb=9819647a63bfca45a879650ac23fe80f51b89edb;hp=710b69d9c7a2b6afeeea0e46821b1815a50255ab;hpb=6f8485501896dc36bcd7fd438887e010110a42eb;p=deliverable%2Fbinutils-gdb.git diff --git a/libiberty/cplus-dem.c b/libiberty/cplus-dem.c index 710b69d9c7..6d58bd899b 100644 --- a/libiberty/cplus-dem.c +++ b/libiberty/cplus-dem.c @@ -1,6 +1,5 @@ /* Demangler for GNU C++ - Copyright 1989, 1991, 1994, 1995, 1996, 1997, 1998, 1999, - 2000, 2001 Free Software Foundation, Inc. + Copyright (C) 1989-2018 Free Software Foundation, Inc. Written by James Clark (jjc@jclark.uucp) Rewritten by Fred Fish (fnf@cygnus.com) for ARM and Lucid demangling Modified by Satish Pai (pai@apollo.hp.com) for HP demangling @@ -11,6 +10,15 @@ modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. +In addition to the permissions in the GNU Library General Public +License, the Free Software Foundation gives you unlimited permission +to link the compiled version of this file into combinations with other +programs, and to distribute those combinations without any restriction +coming from the use of this file. (The Library Public License +restrictions do apply in other respects; for example, they cover +modification of the file, and distribution when not linked into a +combined executable.) + Libiberty is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU @@ -18,8 +26,8 @@ Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with libiberty; see the file COPYING.LIB. If -not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ +not, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor, +Boston, MA 02110-1301, USA. */ /* This file exports two functions; cplus_mangle_opname and cplus_demangle. @@ -43,8 +51,15 @@ Boston, MA 02111-1307, USA. */ #ifdef HAVE_STDLIB_H #include #else -char * malloc (); -char * realloc (); +void * malloc (); +void * realloc (); +#endif + +#ifdef HAVE_LIMITS_H +#include +#endif +#ifndef INT_MAX +# define INT_MAX (int)(((unsigned int) ~0) >> 1) /* 0x7FFFFFFF */ #endif #include @@ -53,15 +68,13 @@ char * realloc (); #include "libiberty.h" -static char *ada_demangle PARAMS ((const char *, int)); - #define min(X,Y) (((X) < (Y)) ? (X) : (Y)) /* A value at least one greater than the maximum number of characters that will be output when using the `%d' format with `printf'. */ #define INTBUF_SIZE 32 -extern void fancy_abort PARAMS ((void)) ATTRIBUTE_NORETURN; +extern void fancy_abort (void) ATTRIBUTE_NORETURN; /* In order to allow a single demangler executable to demangle strings using various common values of CPLUS_MARKER, as well as any specific @@ -90,8 +103,7 @@ static char cplus_markers[] = { CPLUS_MARKER, '.', '$', '\0' }; static char char_str[2] = { '\000', '\000' }; void -set_cplus_marker_for_demangling (ch) - int ch; +set_cplus_marker_for_demangling (int ch) { cplus_markers[0] = ch; } @@ -131,6 +143,9 @@ struct work_stuff string* previous_argument; /* The last function argument demangled. */ int nrepeats; /* The number of times to repeat the previous argument. */ + int *proctypevec; /* Indices of currently processed remembered typevecs. */ + int proctypevec_size; + int nproctypes; }; #define PRINT_ANSI_QUALIFIERS (work -> options & DMGL_ANSI) @@ -231,6 +246,7 @@ typedef enum type_kind_t tk_none, tk_pointer, tk_reference, + tk_rvalue_reference, tk_integral, tk_bool, tk_char, @@ -299,14 +315,24 @@ const struct demangler_engine libiberty_demanglers[] = "GNAT style demangling" } , + { + DLANG_DEMANGLING_STYLE_STRING, + dlang_demangling, + "DLANG style demangling" + } + , + { + RUST_DEMANGLING_STYLE_STRING, + rust_demangling, + "Rust style demangling" + } + , { NULL, unknown_demangling, NULL } }; #define STRING_EMPTY(str) ((str) -> b == (str) -> p) -#define PREPEND_BLANK(str) {if (!STRING_EMPTY(str)) \ - string_prepend(str, " ");} #define APPEND_BLANK(str) {if (!STRING_EMPTY(str)) \ string_append(str, " ");} #define LEN_STRING(str) ( (STRING_EMPTY(str))?0:((str)->p - (str)->b)) @@ -320,163 +346,131 @@ const struct demangler_engine libiberty_demanglers[] = /* Prototypes for local functions */ -static void -delete_work_stuff PARAMS ((struct work_stuff *)); +static void delete_work_stuff (struct work_stuff *); -static void -delete_non_B_K_work_stuff PARAMS ((struct work_stuff *)); +static void delete_non_B_K_work_stuff (struct work_stuff *); -static char * -mop_up PARAMS ((struct work_stuff *, string *, int)); +static char *mop_up (struct work_stuff *, string *, int); -static void -squangle_mop_up PARAMS ((struct work_stuff *)); +static void squangle_mop_up (struct work_stuff *); -static void -work_stuff_copy_to_from PARAMS ((struct work_stuff *, struct work_stuff *)); +static void work_stuff_copy_to_from (struct work_stuff *, struct work_stuff *); #if 0 static int -demangle_method_args PARAMS ((struct work_stuff *, const char **, string *)); +demangle_method_args (struct work_stuff *, const char **, string *); #endif static char * -internal_cplus_demangle PARAMS ((struct work_stuff *, const char *)); +internal_cplus_demangle (struct work_stuff *, const char *); static int -demangle_template_template_parm PARAMS ((struct work_stuff *work, - const char **, string *)); +demangle_template_template_parm (struct work_stuff *work, + const char **, string *); static int -demangle_template PARAMS ((struct work_stuff *work, const char **, string *, - string *, int, int)); +demangle_template (struct work_stuff *work, const char **, string *, + string *, int, int); static int -arm_pt PARAMS ((struct work_stuff *, const char *, int, const char **, - const char **)); +arm_pt (struct work_stuff *, const char *, int, const char **, + const char **); static int -demangle_class_name PARAMS ((struct work_stuff *, const char **, string *)); +demangle_class_name (struct work_stuff *, const char **, string *); static int -demangle_qualified PARAMS ((struct work_stuff *, const char **, string *, - int, int)); +demangle_qualified (struct work_stuff *, const char **, string *, + int, int); -static int -demangle_class PARAMS ((struct work_stuff *, const char **, string *)); +static int demangle_class (struct work_stuff *, const char **, string *); -static int -demangle_fund_type PARAMS ((struct work_stuff *, const char **, string *)); +static int demangle_fund_type (struct work_stuff *, const char **, string *); -static int -demangle_signature PARAMS ((struct work_stuff *, const char **, string *)); +static int demangle_signature (struct work_stuff *, const char **, string *); -static int -demangle_prefix PARAMS ((struct work_stuff *, const char **, string *)); +static int demangle_prefix (struct work_stuff *, const char **, string *); -static int -gnu_special PARAMS ((struct work_stuff *, const char **, string *)); +static int gnu_special (struct work_stuff *, const char **, string *); -static int -arm_special PARAMS ((const char **, string *)); +static int arm_special (const char **, string *); -static void -string_need PARAMS ((string *, int)); +static void string_need (string *, int); -static void -string_delete PARAMS ((string *)); +static void string_delete (string *); static void -string_init PARAMS ((string *)); +string_init (string *); -static void -string_clear PARAMS ((string *)); +static void string_clear (string *); #if 0 -static int -string_empty PARAMS ((string *)); +static int string_empty (string *); #endif -static void -string_append PARAMS ((string *, const char *)); +static void string_append (string *, const char *); -static void -string_appends PARAMS ((string *, string *)); +static void string_appends (string *, string *); -static void -string_appendn PARAMS ((string *, const char *, int)); +static void string_appendn (string *, const char *, int); -static void -string_prepend PARAMS ((string *, const char *)); +static void string_prepend (string *, const char *); -static void -string_prependn PARAMS ((string *, const char *, int)); +static void string_prependn (string *, const char *, int); -static void -string_append_template_idx PARAMS ((string *, int)); +static void string_append_template_idx (string *, int); -static int -get_count PARAMS ((const char **, int *)); +static int get_count (const char **, int *); -static int -consume_count PARAMS ((const char **)); +static int consume_count (const char **); -static int -consume_count_with_underscores PARAMS ((const char**)); +static int consume_count_with_underscores (const char**); -static int -demangle_args PARAMS ((struct work_stuff *, const char **, string *)); +static int demangle_args (struct work_stuff *, const char **, string *); -static int -demangle_nested_args PARAMS ((struct work_stuff*, const char**, string*)); +static int demangle_nested_args (struct work_stuff*, const char**, string*); + +static int do_type (struct work_stuff *, const char **, string *); + +static int do_arg (struct work_stuff *, const char **, string *); static int -do_type PARAMS ((struct work_stuff *, const char **, string *)); +demangle_function_name (struct work_stuff *, const char **, string *, + const char *); static int -do_arg PARAMS ((struct work_stuff *, const char **, string *)); +iterate_demangle_function (struct work_stuff *, + const char **, string *, const char *); -static void -demangle_function_name PARAMS ((struct work_stuff *, const char **, string *, - const char *)); +static void remember_type (struct work_stuff *, const char *, int); -static int -iterate_demangle_function PARAMS ((struct work_stuff *, - const char **, string *, const char *)); +static void push_processed_type (struct work_stuff *, int); -static void -remember_type PARAMS ((struct work_stuff *, const char *, int)); +static void pop_processed_type (struct work_stuff *); -static void -remember_Btype PARAMS ((struct work_stuff *, const char *, int, int)); +static void remember_Btype (struct work_stuff *, const char *, int, int); -static int -register_Btype PARAMS ((struct work_stuff *)); +static int register_Btype (struct work_stuff *); -static void -remember_Ktype PARAMS ((struct work_stuff *, const char *, int)); +static void remember_Ktype (struct work_stuff *, const char *, int); -static void -forget_types PARAMS ((struct work_stuff *)); +static void forget_types (struct work_stuff *); -static void -forget_B_and_K_types PARAMS ((struct work_stuff *)); +static void forget_B_and_K_types (struct work_stuff *); -static void -string_prepends PARAMS ((string *, string *)); +static void string_prepends (string *, string *); static int -demangle_template_value_parm PARAMS ((struct work_stuff*, const char**, - string*, type_kind_t)); +demangle_template_value_parm (struct work_stuff*, const char**, + string*, type_kind_t); static int -do_hpacc_template_const_value PARAMS ((struct work_stuff *, const char **, string *)); +do_hpacc_template_const_value (struct work_stuff *, const char **, string *); static int -do_hpacc_template_literal PARAMS ((struct work_stuff *, const char **, string *)); +do_hpacc_template_literal (struct work_stuff *, const char **, string *); -static int -snarf_numeric_literal PARAMS ((const char **, string *)); +static int snarf_numeric_literal (const char **, string *); /* There is a TYPE_QUAL value for each type qualifier. They can be combined by bitwise-or to form the complete set of qualifiers for a @@ -487,36 +481,26 @@ snarf_numeric_literal PARAMS ((const char **, string *)); #define TYPE_QUAL_VOLATILE 0x2 #define TYPE_QUAL_RESTRICT 0x4 -static int -code_for_qualifier PARAMS ((int)); +static int code_for_qualifier (int); -static const char* -qualifier_string PARAMS ((int)); +static const char* qualifier_string (int); -static const char* -demangle_qualifier PARAMS ((int)); +static const char* demangle_qualifier (int); -static int -demangle_expression PARAMS ((struct work_stuff *, const char **, string *, - type_kind_t)); +static int demangle_expression (struct work_stuff *, const char **, string *, + type_kind_t); static int -demangle_integral_value PARAMS ((struct work_stuff *, const char **, - string *)); +demangle_integral_value (struct work_stuff *, const char **, string *); static int -demangle_real_value PARAMS ((struct work_stuff *, const char **, string *)); - -static void -demangle_arm_hp_template PARAMS ((struct work_stuff *, const char **, int, - string *)); +demangle_real_value (struct work_stuff *, const char **, string *); static void -recursively_demangle PARAMS ((struct work_stuff *, const char **, string *, - int)); +demangle_arm_hp_template (struct work_stuff *, const char **, int, string *); static void -grow_vect PARAMS ((void **, size_t *, size_t, int)); +recursively_demangle (struct work_stuff *, const char **, string *, int); /* Translate count to integer, consuming tokens in the process. Conversion terminates on the first non-digit character. @@ -527,8 +511,7 @@ grow_vect PARAMS ((void **, size_t *, size_t, int)); Overflow consumes the rest of the digits, and returns -1. */ static int -consume_count (type) - const char **type; +consume_count (const char **type) { int count = 0; @@ -537,21 +520,17 @@ consume_count (type) while (ISDIGIT ((unsigned char)**type)) { - count *= 10; - - /* Check for overflow. - We assume that count is represented using two's-complement; - no power of two is divisible by ten, so if an overflow occurs - when multiplying by ten, the result will not be a multiple of - ten. */ - if ((count % 10) != 0) + const int digit = **type - '0'; + /* Check for overflow. */ + if (count > ((INT_MAX - digit) / 10)) { while (ISDIGIT ((unsigned char) **type)) (*type)++; return -1; } - count += **type - '0'; + count *= 10; + count += digit; (*type)++; } @@ -567,8 +546,7 @@ consume_count (type) failure, since 0 can be a valid value. */ static int -consume_count_with_underscores (mangled) - const char **mangled; +consume_count_with_underscores (const char **mangled) { int idx; @@ -601,8 +579,7 @@ consume_count_with_underscores (mangled) corresponding to this qualifier. */ static int -code_for_qualifier (c) - int c; +code_for_qualifier (int c) { switch (c) { @@ -627,8 +604,7 @@ code_for_qualifier (c) TYPE_QUALS. */ static const char* -qualifier_string (type_quals) - int type_quals; +qualifier_string (int type_quals) { switch (type_quals) { @@ -669,17 +645,13 @@ qualifier_string (type_quals) called with a valid qualifier code. */ static const char* -demangle_qualifier (c) - int c; +demangle_qualifier (int c) { return qualifier_string (code_for_qualifier (c)); } int -cplus_demangle_opname (opname, result, options) - const char *opname; - char *result; - int options; +cplus_demangle_opname (const char *opname, char *result, int options) { int len, len1, ret; string type; @@ -812,9 +784,7 @@ cplus_demangle_opname (opname, result, options) if OPTIONS & DMGL_ANSI == 0, return the old GNU name. */ const char * -cplus_mangle_opname (opname, options) - const char *opname; - int options; +cplus_mangle_opname (const char *opname, int options) { size_t i; int len; @@ -834,8 +804,7 @@ cplus_mangle_opname (opname, options) allow for any demangler initialization that maybe necessary. */ enum demangling_styles -cplus_demangle_set_style (style) - enum demangling_styles style; +cplus_demangle_set_style (enum demangling_styles style) { const struct demangler_engine *demangler = libiberty_demanglers; @@ -852,8 +821,7 @@ cplus_demangle_set_style (style) /* Do string name to style translation */ enum demangling_styles -cplus_demangle_name_to_style (name) - const char *name; +cplus_demangle_name_to_style (const char *name) { const struct demangler_engine *demangler = libiberty_demanglers; @@ -893,9 +861,7 @@ cplus_demangle_name_to_style (name) MANGLED. */ char * -cplus_demangle (mangled, options) - const char *mangled; - int options; +cplus_demangle (const char *mangled, int options) { char *ret; struct work_stuff work[1]; @@ -909,10 +875,26 @@ cplus_demangle (mangled, options) work->options |= (int) current_demangling_style & DMGL_STYLE_MASK; /* The V3 ABI demangling is implemented elsewhere. */ - if (GNU_V3_DEMANGLING || AUTO_DEMANGLING) + if (GNU_V3_DEMANGLING || RUST_DEMANGLING || AUTO_DEMANGLING) { ret = cplus_demangle_v3 (mangled, work->options); - if (ret || GNU_V3_DEMANGLING) + if (GNU_V3_DEMANGLING) + return ret; + + if (ret) + { + /* Rust symbols are GNU_V3 mangled plus some extra subtitutions. + The subtitutions are always smaller, so do in place changes. */ + if (rust_is_mangled (ret)) + rust_demangle_sym (ret); + else if (RUST_DEMANGLING) + { + free (ret); + ret = NULL; + } + } + + if (ret || RUST_DEMANGLING) return ret; } @@ -924,139 +906,298 @@ cplus_demangle (mangled, options) } if (GNAT_DEMANGLING) - return ada_demangle(mangled,options); + return ada_demangle (mangled, options); + + if (DLANG_DEMANGLING) + { + ret = dlang_demangle (mangled, options); + if (ret) + return ret; + } ret = internal_cplus_demangle (work, mangled); squangle_mop_up (work); return (ret); } - -/* Assuming *OLD_VECT points to an array of *SIZE objects of size - ELEMENT_SIZE, grow it to contain at least MIN_SIZE objects, - updating *OLD_VECT and *SIZE as necessary. */ - -static void -grow_vect (old_vect, size, min_size, element_size) - void **old_vect; - size_t *size; - size_t min_size; - int element_size; +char * +rust_demangle (const char *mangled, int options) { - if (*size < min_size) + /* Rust symbols are GNU_V3 mangled plus some extra subtitutions. */ + char *ret = cplus_demangle_v3 (mangled, options); + + /* The Rust subtitutions are always smaller, so do in place changes. */ + if (ret != NULL) { - *size *= 2; - if (*size < min_size) - *size = min_size; - *old_vect = xrealloc (*old_vect, *size * element_size); + if (rust_is_mangled (ret)) + rust_demangle_sym (ret); + else + { + free (ret); + ret = NULL; + } } + + return ret; } -/* Demangle ada names: - 1. Discard final __{DIGIT}+ or ${DIGIT}+ - 2. Convert other instances of embedded "__" to `.'. - 3. Discard leading _ada_. - 4. Remove everything after first ___ if it is followed by 'X'. - 5. Put symbols that should be suppressed in <...> brackets. - The resulting string is valid until the next call of ada_demangle. */ +/* Demangle ada names. The encoding is documented in gcc/ada/exp_dbug.ads. */ -static char * -ada_demangle (mangled, option) - const char *mangled; - int option ATTRIBUTE_UNUSED; +char * +ada_demangle (const char *mangled, int option ATTRIBUTE_UNUSED) { - int i, j; int len0; const char* p; + char *d; char *demangled = NULL; - int at_start_name; - int changed; - char *demangling_buffer = NULL; - size_t demangling_buffer_size = 0; - changed = 0; - + /* Discard leading _ada_, which is used for library level subprograms. */ if (strncmp (mangled, "_ada_", 5) == 0) - { - mangled += 5; - changed = 1; - } + mangled += 5; + + /* All ada unit names are lower-case. */ + if (!ISLOWER (mangled[0])) + goto unknown; + + /* Most of the demangling will trivially remove chars. Operator names + may add one char but because they are always preceeded by '__' which is + replaced by '.', they eventually never expand the size. + A few special names such as '___elabs' add a few chars (at most 7), but + they occur only once. */ + len0 = strlen (mangled) + 7 + 1; + demangled = XNEWVEC (char, len0); - if (mangled[0] == '_' || mangled[0] == '<') - goto Suppress; - - p = strstr (mangled, "___"); - if (p == NULL) - len0 = strlen (mangled); - else + d = demangled; + p = mangled; + while (1) { - if (p[3] == 'X') - { - len0 = p - mangled; - changed = 1; - } + /* An entity names is expected. */ + if (ISLOWER (*p)) + { + /* An identifier, which is always lower case. */ + do + *d++ = *p++; + while (ISLOWER(*p) || ISDIGIT (*p) + || (p[0] == '_' && (ISLOWER (p[1]) || ISDIGIT (p[1])))); + } + else if (p[0] == 'O') + { + /* An operator name. */ + static const char * const operators[][2] = + {{"Oabs", "abs"}, {"Oand", "and"}, {"Omod", "mod"}, + {"Onot", "not"}, {"Oor", "or"}, {"Orem", "rem"}, + {"Oxor", "xor"}, {"Oeq", "="}, {"One", "/="}, + {"Olt", "<"}, {"Ole", "<="}, {"Ogt", ">"}, + {"Oge", ">="}, {"Oadd", "+"}, {"Osubtract", "-"}, + {"Oconcat", "&"}, {"Omultiply", "*"}, {"Odivide", "/"}, + {"Oexpon", "**"}, {NULL, NULL}}; + int k; + + for (k = 0; operators[k][0] != NULL; k++) + { + size_t slen = strlen (operators[k][0]); + if (strncmp (p, operators[k][0], slen) == 0) + { + p += slen; + slen = strlen (operators[k][1]); + *d++ = '"'; + memcpy (d, operators[k][1], slen); + d += slen; + *d++ = '"'; + break; + } + } + /* Operator not found. */ + if (operators[k][0] == NULL) + goto unknown; + } else - goto Suppress; - } - - /* Make demangled big enough for possible expansion by operator name. */ - grow_vect ((void **) &(demangling_buffer), - &demangling_buffer_size, 2 * len0 + 1, - sizeof (char)); - demangled = demangling_buffer; - - if (ISDIGIT ((unsigned char) mangled[len0 - 1])) { - for (i = len0 - 2; i >= 0 && ISDIGIT ((unsigned char) mangled[i]); i -= 1) - ; - if (i > 1 && mangled[i] == '_' && mangled[i - 1] == '_') - { - len0 = i - 1; - changed = 1; - } - else if (mangled[i] == '$') - { - len0 = i; - changed = 1; - } - } - - for (i = 0, j = 0; i < len0 && ! ISALPHA ((unsigned char)mangled[i]); - i += 1, j += 1) - demangled[j] = mangled[i]; - - at_start_name = 1; - while (i < len0) - { - at_start_name = 0; - - if (i < len0 - 2 && mangled[i] == '_' && mangled[i + 1] == '_') - { - demangled[j] = '.'; - changed = at_start_name = 1; - i += 2; j += 1; - } + { + /* Not a GNAT encoding. */ + goto unknown; + } + + /* The name can be directly followed by some uppercase letters. */ + if (p[0] == 'T' && p[1] == 'K') + { + /* Task stuff. */ + if (p[2] == 'B' && p[3] == 0) + { + /* Subprogram for task body. */ + break; + } + else if (p[2] == '_' && p[3] == '_') + { + /* Inner declarations in a task. */ + p += 4; + *d++ = '.'; + continue; + } + else + goto unknown; + } + if (p[0] == 'E' && p[1] == 0) + { + /* Exception name. */ + goto unknown; + } + if ((p[0] == 'P' || p[0] == 'N') && p[1] == 0) + { + /* Protected type subprogram. */ + break; + } + if ((*p == 'N' || *p == 'S') && p[1] == 0) + { + /* Enumerated type name table. */ + goto unknown; + } + if (p[0] == 'X') + { + /* Body nested. */ + p++; + while (p[0] == 'n' || p[0] == 'b') + p++; + } + if (p[0] == 'S' && p[1] != 0 && (p[2] == '_' || p[2] == 0)) + { + /* Stream operations. */ + const char *name; + switch (p[1]) + { + case 'R': + name = "'Read"; + break; + case 'W': + name = "'Write"; + break; + case 'I': + name = "'Input"; + break; + case 'O': + name = "'Output"; + break; + default: + goto unknown; + } + p += 2; + strcpy (d, name); + d += strlen (name); + } + else if (p[0] == 'D') + { + /* Controlled type operation. */ + const char *name; + switch (p[1]) + { + case 'F': + name = ".Finalize"; + break; + case 'A': + name = ".Adjust"; + break; + default: + goto unknown; + } + strcpy (d, name); + d += strlen (name); + break; + } + + if (p[0] == '_') + { + /* Separator. */ + if (p[1] == '_') + { + /* Standard separator. Handled first. */ + p += 2; + + if (ISDIGIT (*p)) + { + /* Overloading number. */ + do + p++; + while (ISDIGIT (*p) || (p[0] == '_' && ISDIGIT (p[1]))); + if (*p == 'X') + { + p++; + while (p[0] == 'n' || p[0] == 'b') + p++; + } + } + else if (p[0] == '_' && p[1] != '_') + { + /* Special names. */ + static const char * const special[][2] = { + { "_elabb", "'Elab_Body" }, + { "_elabs", "'Elab_Spec" }, + { "_size", "'Size" }, + { "_alignment", "'Alignment" }, + { "_assign", ".\":=\"" }, + { NULL, NULL } + }; + int k; + + for (k = 0; special[k][0] != NULL; k++) + { + size_t slen = strlen (special[k][0]); + if (strncmp (p, special[k][0], slen) == 0) + { + p += slen; + slen = strlen (special[k][1]); + memcpy (d, special[k][1], slen); + d += slen; + break; + } + } + if (special[k][0] != NULL) + break; + else + goto unknown; + } + else + { + *d++ = '.'; + continue; + } + } + else if (p[1] == 'B' || p[1] == 'E') + { + /* Entry Body or barrier Evaluation. */ + p += 2; + while (ISDIGIT (*p)) + p++; + if (p[0] == 's' && p[1] == 0) + break; + else + goto unknown; + } + else + goto unknown; + } + + if (p[0] == '.' && ISDIGIT (p[1])) + { + /* Nested subprogram. */ + p += 2; + while (ISDIGIT (*p)) + p++; + } + if (*p == 0) + { + /* End of mangled name. */ + break; + } else - { - demangled[j] = mangled[i]; - i += 1; j += 1; - } + goto unknown; } - demangled[j] = '\000'; - - for (i = 0; demangled[i] != '\0'; i += 1) - if (ISUPPER ((unsigned char)demangled[i]) || demangled[i] == ' ') - goto Suppress; + *d = 0; + return demangled; + + unknown: + XDELETEVEC (demangled); + len0 = strlen (mangled); + demangled = XNEWVEC (char, len0 + 3); - if (! changed) - return NULL; - else - return demangled; - - Suppress: - grow_vect ((void **) &(demangling_buffer), - &demangling_buffer_size, strlen (mangled) + 3, - sizeof (char)); - demangled = demangling_buffer; if (mangled[0] == '<') strcpy (demangled, mangled); else @@ -1068,13 +1209,11 @@ ada_demangle (mangled, option) /* This function performs most of what cplus_demangle use to do, but to be able to demangle a name with a B, K or n code, we need to have a longer term memory of what types have been seen. The original - now intializes and cleans up the squangle code info, while internal + now initializes and cleans up the squangle code info, while internal calls go directly to this routine to avoid resetting that info. */ static char * -internal_cplus_demangle (work, mangled) - struct work_stuff *work; - const char *mangled; +internal_cplus_demangle (struct work_stuff *work, const char *mangled) { string decl; @@ -1103,6 +1242,11 @@ internal_cplus_demangle (work, mangled) if ((AUTO_DEMANGLING || GNU_DEMANGLING)) { success = gnu_special (work, &mangled, &decl); + if (!success) + { + delete_work_stuff (work); + string_delete (&decl); + } } if (!success) { @@ -1139,18 +1283,21 @@ internal_cplus_demangle (work, mangled) /* Clear out and squangling related storage */ static void -squangle_mop_up (work) - struct work_stuff *work; +squangle_mop_up (struct work_stuff *work) { /* clean up the B and K type mangling types. */ forget_B_and_K_types (work); if (work -> btypevec != NULL) { free ((char *) work -> btypevec); + work->btypevec = NULL; + work->bsize = 0; } if (work -> ktypevec != NULL) { free ((char *) work -> ktypevec); + work->ktypevec = NULL; + work->ksize = 0; } } @@ -1158,9 +1305,7 @@ squangle_mop_up (work) /* Copy the work state and storage. */ static void -work_stuff_copy_to_from (to, from) - struct work_stuff *to; - struct work_stuff *from; +work_stuff_copy_to_from (struct work_stuff *to, struct work_stuff *from) { int i; @@ -1171,56 +1316,56 @@ work_stuff_copy_to_from (to, from) /* Deep-copy dynamic storage. */ if (from->typevec_size) - to->typevec - = (char **) xmalloc (from->typevec_size * sizeof (to->typevec[0])); + to->typevec = XNEWVEC (char *, from->typevec_size); for (i = 0; i < from->ntypes; i++) { int len = strlen (from->typevec[i]) + 1; - to->typevec[i] = xmalloc (len); + to->typevec[i] = XNEWVEC (char, len); memcpy (to->typevec[i], from->typevec[i], len); } if (from->ksize) - to->ktypevec - = (char **) xmalloc (from->ksize * sizeof (to->ktypevec[0])); + to->ktypevec = XNEWVEC (char *, from->ksize); for (i = 0; i < from->numk; i++) { int len = strlen (from->ktypevec[i]) + 1; - to->ktypevec[i] = xmalloc (len); + to->ktypevec[i] = XNEWVEC (char, len); memcpy (to->ktypevec[i], from->ktypevec[i], len); } if (from->bsize) - to->btypevec - = (char **) xmalloc (from->bsize * sizeof (to->btypevec[0])); + to->btypevec = XNEWVEC (char *, from->bsize); for (i = 0; i < from->numb; i++) { int len = strlen (from->btypevec[i]) + 1; - to->btypevec[i] = xmalloc (len); + to->btypevec[i] = XNEWVEC (char , len); memcpy (to->btypevec[i], from->btypevec[i], len); } + if (from->proctypevec) + to->proctypevec = + XDUPVEC (int, from->proctypevec, from->proctypevec_size); + if (from->ntmpl_args) - to->tmpl_argvec - = xmalloc (from->ntmpl_args * sizeof (to->tmpl_argvec[0])); + to->tmpl_argvec = XNEWVEC (char *, from->ntmpl_args); for (i = 0; i < from->ntmpl_args; i++) { int len = strlen (from->tmpl_argvec[i]) + 1; - to->tmpl_argvec[i] = xmalloc (len); + to->tmpl_argvec[i] = XNEWVEC (char, len); memcpy (to->tmpl_argvec[i], from->tmpl_argvec[i], len); } if (from->previous_argument) { - to->previous_argument = (string*) xmalloc (sizeof (string)); + to->previous_argument = XNEW (string); string_init (to->previous_argument); string_appends (to->previous_argument, from->previous_argument); } @@ -1230,25 +1375,29 @@ work_stuff_copy_to_from (to, from) /* Delete dynamic stuff in work_stuff that is not to be re-used. */ static void -delete_non_B_K_work_stuff (work) - struct work_stuff *work; +delete_non_B_K_work_stuff (struct work_stuff *work) { /* Discard the remembered types, if any. */ forget_types (work); - if (work -> typevec != NULL) + if (work->typevec != NULL) + { + free ((char *) work->typevec); + work->typevec = NULL; + work->typevec_size = 0; + } + if (work->proctypevec != NULL) { - free ((char *) work -> typevec); - work -> typevec = NULL; - work -> typevec_size = 0; + free (work->proctypevec); + work->proctypevec = NULL; + work->proctypevec_size = 0; } if (work->tmpl_argvec) { int i; for (i = 0; i < work->ntmpl_args; i++) - if (work->tmpl_argvec[i]) - free ((char*) work->tmpl_argvec[i]); + free ((char*) work->tmpl_argvec[i]); free ((char*) work->tmpl_argvec); work->tmpl_argvec = NULL; @@ -1264,8 +1413,7 @@ delete_non_B_K_work_stuff (work) /* Delete all dynamic storage in work_stuff. */ static void -delete_work_stuff (work) - struct work_stuff *work; +delete_work_stuff (struct work_stuff *work) { delete_non_B_K_work_stuff (work); squangle_mop_up (work); @@ -1275,10 +1423,7 @@ delete_work_stuff (work) /* Clear out any mangled storage */ static char * -mop_up (work, declp, success) - struct work_stuff *work; - string *declp; - int success; +mop_up (struct work_stuff *work, string *declp, int success) { char *demangled = NULL; @@ -1330,10 +1475,8 @@ DESCRIPTION argument list. */ static int -demangle_signature (work, mangled, declp) - struct work_stuff *work; - const char **mangled; - string *declp; +demangle_signature (struct work_stuff *work, + const char **mangled, string *declp) { int success = 1; int func_done = 0; @@ -1433,6 +1576,7 @@ demangle_signature (work, mangled, declp) { string_append (&s, SCOPE_STRING (work)); string_prepends (declp, &s); + string_delete (&s); } oldmangled = NULL; expect_func = 1; @@ -1512,7 +1656,6 @@ demangle_signature (work, mangled, declp) { /* Read the return type. */ string return_type; - string_init (&return_type); (*mangled)++; success = do_type (work, mangled, &return_type); @@ -1549,12 +1692,13 @@ demangle_signature (work, mangled, declp) 0); if (!(work->constructor & 1)) expect_return_type = 1; - (*mangled)++; + if (!**mangled) + success = 0; + else + (*mangled)++; break; } - else - /* fall through */ - {;} + /* fall through */ default: if (AUTO_DEMANGLING || GNU_DEMANGLING) @@ -1623,10 +1767,8 @@ demangle_signature (work, mangled, declp) #if 0 static int -demangle_method_args (work, mangled, declp) - struct work_stuff *work; - const char **mangled; - string *declp; +demangle_method_args (struct work_stuff *work, const char **mangled, + string *declp) { int success = 0; @@ -1646,10 +1788,8 @@ demangle_method_args (work, mangled, declp) #endif static int -demangle_template_template_parm (work, mangled, tname) - struct work_stuff *work; - const char **mangled; - string *tname; +demangle_template_template_parm (struct work_stuff *work, + const char **mangled, string *tname) { int i; int r; @@ -1710,11 +1850,8 @@ demangle_template_template_parm (work, mangled, tname) } static int -demangle_expression (work, mangled, s, tk) - struct work_stuff *work; - const char** mangled; - string* s; - type_kind_t tk; +demangle_expression (struct work_stuff *work, const char **mangled, + string *s, type_kind_t tk) { int need_operator = 0; int success; @@ -1770,10 +1907,8 @@ demangle_expression (work, mangled, s, tk) } static int -demangle_integral_value (work, mangled, s) - struct work_stuff *work; - const char** mangled; - string* s; +demangle_integral_value (struct work_stuff *work, + const char **mangled, string *s) { int success; @@ -1792,31 +1927,34 @@ demangle_integral_value (work, mangled, s) success = 0; - /* Negative numbers are indicated with a leading `m'. */ - if (**mangled == 'm') - { - string_appendn (s, "-", 1); - (*mangled)++; - } - else if (mangled[0][0] == '_' && mangled[0][1] == 'm') - { - /* Since consume_count_with_underscores does not handle the - `m'-prefix we must do it here, using consume_count and - adjusting underscores: we have to consume the underscore - matching the prepended one. */ - multidigit_without_leading_underscore = 1; - string_appendn (s, "-", 1); - (*mangled) += 2; - } - else if (**mangled == '_') - { - /* Do not consume a following underscore; - multidigit_without_leading_underscore will consume what should be - consumed. */ - leave_following_underscore = 1; + if (**mangled == '_') + { + if (mangled[0][1] == 'm') + { + /* Since consume_count_with_underscores does not handle the + `m'-prefix we must do it here, using consume_count and + adjusting underscores: we have to consume the underscore + matching the prepended one. */ + multidigit_without_leading_underscore = 1; + string_appendn (s, "-", 1); + (*mangled) += 2; + } + else + { + /* Do not consume a following underscore; + consume_count_with_underscores will consume what + should be consumed. */ + leave_following_underscore = 1; + } } else { + /* Negative numbers are indicated with a leading `m'. */ + if (**mangled == 'm') + { + string_appendn (s, "-", 1); + (*mangled)++; + } /* Since consume_count_with_underscores does not handle multi-digit numbers that do not start with an underscore, and this number can be an integer template parameter, @@ -1857,7 +1995,7 @@ demangle_integral_value (work, mangled, s) /* All is well. */ success = 1; } - } + } return success; } @@ -1865,10 +2003,8 @@ demangle_integral_value (work, mangled, s) /* Demangle the real value in MANGLED. */ static int -demangle_real_value (work, mangled, s) - struct work_stuff *work; - const char **mangled; - string* s; +demangle_real_value (struct work_stuff *work, + const char **mangled, string *s) { if (**mangled == 'E') return demangle_expression (work, mangled, s, tk_real); @@ -1908,11 +2044,8 @@ demangle_real_value (work, mangled, s) } static int -demangle_template_value_parm (work, mangled, s, tk) - struct work_stuff *work; - const char **mangled; - string* s; - type_kind_t tk; +demangle_template_value_parm (struct work_stuff *work, const char **mangled, + string *s, type_kind_t tk) { int success = 1; @@ -1967,7 +2100,8 @@ demangle_template_value_parm (work, mangled, s, tk) } else if (tk == tk_real) success = demangle_real_value (work, mangled, s); - else if (tk == tk_pointer || tk == tk_reference) + else if (tk == tk_pointer || tk == tk_reference + || tk == tk_rvalue_reference) { if (**mangled == 'Q') success = demangle_qualified (work, mangled, s, @@ -1976,13 +2110,14 @@ demangle_template_value_parm (work, mangled, s, tk) else { int symbol_len = consume_count (mangled); - if (symbol_len == -1) + if (symbol_len == -1 + || symbol_len > (long) strlen (*mangled)) return -1; if (symbol_len == 0) string_appendn (s, "0", 1); else { - char *p = xmalloc (symbol_len + 1), *q; + char *p = XNEWVEC (char, symbol_len + 1), *q; strncpy (p, *mangled, symbol_len); p [symbol_len] = '\0'; /* We use cplus_demangle here, rather than @@ -2020,34 +2155,27 @@ demangle_template_value_parm (work, mangled, s, tk) types. */ static int -demangle_template (work, mangled, tname, trawname, is_type, remember) - struct work_stuff *work; - const char **mangled; - string *tname; - string *trawname; - int is_type; - int remember; +demangle_template (struct work_stuff *work, const char **mangled, + string *tname, string *trawname, + int is_type, int remember) { int i; int r; int need_comma = 0; int success = 0; - const char *start; int is_java_array = 0; string temp; - int bindex = 0; (*mangled)++; if (is_type) { - if (remember) - bindex = register_Btype (work); - start = *mangled; /* get template name */ if (**mangled == 'z') { int idx; (*mangled)++; + if (**mangled == '\0') + return (0); (*mangled)++; idx = consume_count_with_underscores (mangled); @@ -2097,7 +2225,7 @@ demangle_template (work, mangled, tname, trawname, is_type, remember) if (!is_type) { /* Create an array for saving the template argument values. */ - work->tmpl_argvec = (char**) xmalloc (r * sizeof (char *)); + work->tmpl_argvec = XNEWVEC (char *, r); work->ntmpl_args = r; for (i = 0; i < r; i++) work->tmpl_argvec[i] = 0; @@ -2122,7 +2250,7 @@ demangle_template (work, mangled, tname, trawname, is_type, remember) { /* Save the template argument. */ int len = temp.p - temp.b; - work->tmpl_argvec[i] = xmalloc (len + 1); + work->tmpl_argvec[i] = XNEWVEC (char, len + 1); memcpy (work->tmpl_argvec[i], temp.b, len); work->tmpl_argvec[i][len] = '\0'; } @@ -2150,7 +2278,7 @@ demangle_template (work, mangled, tname, trawname, is_type, remember) { /* Save the template argument. */ int len = r2; - work->tmpl_argvec[i] = xmalloc (len + 1); + work->tmpl_argvec[i] = XNEWVEC (char, len + 1); memcpy (work->tmpl_argvec[i], *mangled, len); work->tmpl_argvec[i][len] = '\0'; } @@ -2196,7 +2324,7 @@ demangle_template (work, mangled, tname, trawname, is_type, remember) if (!is_type) { int len = s->p - s->b; - work->tmpl_argvec[i] = xmalloc (len + 1); + work->tmpl_argvec[i] = XNEWVEC (char, len + 1); memcpy (work->tmpl_argvec[i], s->b, len); work->tmpl_argvec[i][len] = '\0'; @@ -2218,7 +2346,10 @@ demangle_template (work, mangled, tname, trawname, is_type, remember) } if (is_type && remember) - remember_Btype (work, tname->b, LEN_STRING (tname), bindex); + { + const int bindex = register_Btype (work); + remember_Btype (work, tname->b, LEN_STRING (tname), bindex); + } /* if (work -> static_type) @@ -2237,11 +2368,8 @@ demangle_template (work, mangled, tname, trawname, is_type, remember) } static int -arm_pt (work, mangled, n, anchor, args) - struct work_stuff *work; - const char *mangled; - int n; - const char **anchor, **args; +arm_pt (struct work_stuff *work, const char *mangled, + int n, const char **anchor, const char **args) { /* Check if ARM template with "__pt__" in it ("parameterized type") */ /* Allow HP also here, because HP's cfront compiler follows ARM to some extent */ @@ -2294,11 +2422,8 @@ arm_pt (work, mangled, n, anchor, args) } static void -demangle_arm_hp_template (work, mangled, n, declp) - struct work_stuff *work; - const char **mangled; - int n; - string *declp; +demangle_arm_hp_template (struct work_stuff *work, const char **mangled, + int n, string *declp) { const char *p; const char *args; @@ -2310,6 +2435,7 @@ demangle_arm_hp_template (work, mangled, n, declp) if (HP_DEMANGLING && ((*mangled)[n] == 'X')) { char *start_spec_args = NULL; + int hold_options; /* First check for and omit template specialization pseudo-arguments, such as in "Spec<#1,#1.*>" */ @@ -2322,10 +2448,16 @@ demangle_arm_hp_template (work, mangled, n, declp) string_init (&arg); if (work->temp_start == -1) /* non-recursive call */ work->temp_start = declp->p - declp->b; + + /* We want to unconditionally demangle parameter types in + template parameters. */ + hold_options = work->options; + work->options |= DMGL_PARAMS; + string_append (declp, "<"); while (1) { - string_clear (&arg); + string_delete (&arg); switch (**mangled) { case 'T': @@ -2368,21 +2500,29 @@ demangle_arm_hp_template (work, mangled, n, declp) string_delete (&arg); if (**mangled == '_') (*mangled)++; + work->options = hold_options; return; } /* ARM template? (Also handles HP cfront extensions) */ else if (arm_pt (work, *mangled, n, &p, &args)) { + int hold_options; string type_str; string_init (&arg); string_appendn (declp, *mangled, p - *mangled); if (work->temp_start == -1) /* non-recursive call */ work->temp_start = declp->p - declp->b; + + /* We want to unconditionally demangle parameter types in + template parameters. */ + hold_options = work->options; + work->options |= DMGL_PARAMS; + string_append (declp, "<"); /* should do error checking here */ while (args < e) { - string_clear (&arg); + string_delete (&arg); /* Check for type or literal here */ switch (*args) @@ -2397,6 +2537,7 @@ demangle_arm_hp_template (work, mangled, n, declp) goto cfront_template_args_done; string_append (&arg, "("); string_appends (&arg, &type_str); + string_delete (&type_str); string_append (&arg, ")"); if (*args != 'L') goto cfront_template_args_done; @@ -2414,8 +2555,18 @@ demangle_arm_hp_template (work, mangled, n, declp) break; default: /* Not handling other HP cfront stuff */ - if (!do_type (work, &args, &arg)) - goto cfront_template_args_done; + { + const char* old_args = args; + if (!do_type (work, &args, &arg)) + goto cfront_template_args_done; + + /* Fail if we didn't make any progress: prevent infinite loop. */ + if (args == old_args) + { + work->options = hold_options; + return; + } + } } string_appends (declp, &arg); string_append (declp, ","); @@ -2425,6 +2576,7 @@ demangle_arm_hp_template (work, mangled, n, declp) if (args >= e) --declp->p; /* remove extra comma */ string_append (declp, ">"); + work->options = hold_options; } else if (n>10 && strncmp (*mangled, "_GLOBAL_", 8) == 0 && (*mangled)[9] == 'N' @@ -2448,10 +2600,8 @@ demangle_arm_hp_template (work, mangled, n, declp) already been dealt with */ static int -demangle_class_name (work, mangled, declp) - struct work_stuff *work; - const char **mangled; - string *declp; +demangle_class_name (struct work_stuff *work, const char **mangled, + string *declp) { int n; int success = 0; @@ -2504,10 +2654,7 @@ DESCRIPTION */ static int -demangle_class (work, mangled, declp) - struct work_stuff *work; - const char **mangled; - string *declp; +demangle_class (struct work_stuff *work, const char **mangled, string *declp) { int success = 0; int btype; @@ -2559,11 +2706,8 @@ demangle_class (work, mangled, declp) demangle_signature. */ static int -iterate_demangle_function (work, mangled, declp, scan) - struct work_stuff *work; - const char **mangled; - string *declp; - const char *scan; +iterate_demangle_function (struct work_stuff *work, const char **mangled, + string *declp, const char *scan) { const char *mangle_init = *mangled; int success = 0; @@ -2577,10 +2721,7 @@ iterate_demangle_function (work, mangled, declp, scan) "__"-sequence. This is the normal case. */ if (ARM_DEMANGLING || LUCID_DEMANGLING || HP_DEMANGLING || EDG_DEMANGLING || strstr (scan + 2, "__") == NULL) - { - demangle_function_name (work, mangled, declp, scan); - return 1; - } + return demangle_function_name (work, mangled, declp, scan); /* Save state so we can restart if the guess at the correct "__" was wrong. */ @@ -2597,10 +2738,12 @@ iterate_demangle_function (work, mangled, declp, scan) while (scan[2]) { - demangle_function_name (work, mangled, declp, scan); - success = demangle_signature (work, mangled, declp); - if (success) - break; + if (demangle_function_name (work, mangled, declp, scan)) + { + success = demangle_signature (work, mangled, declp); + if (success) + break; + } /* Reset demangle state for the next round. */ *mangled = mangle_init; @@ -2662,10 +2805,8 @@ DESCRIPTION */ static int -demangle_prefix (work, mangled, declp) - struct work_stuff *work; - const char **mangled; - string *declp; +demangle_prefix (struct work_stuff *work, const char **mangled, + string *declp) { int success = 1; const char *scan; @@ -2873,16 +3014,13 @@ DESCRIPTION */ static int -gnu_special (work, mangled, declp) - struct work_stuff *work; - const char **mangled; - string *declp; +gnu_special (struct work_stuff *work, const char **mangled, string *declp) { int n; int success = 1; const char *p; - if ((*mangled)[0] == '_' + if ((*mangled)[0] == '_' && (*mangled)[1] != '\0' && strchr (cplus_markers, (*mangled)[1]) != NULL && (*mangled)[2] == '_') { @@ -2896,7 +3034,7 @@ gnu_special (work, mangled, declp) && (*mangled)[3] == 't' && (*mangled)[4] == '_') || ((*mangled)[1] == 'v' - && (*mangled)[2] == 't' + && (*mangled)[2] == 't' && (*mangled)[3] != '\0' && strchr (cplus_markers, (*mangled)[3]) != NULL))) { /* Found a GNU style virtual table, get past "_vt" @@ -2932,6 +3070,11 @@ gnu_special (work, mangled, declp) success = 1; break; } + else if (n == -1) + { + success = 0; + break; + } } else { @@ -3026,6 +3169,8 @@ gnu_special (work, mangled, declp) delta = consume_count (mangled); if (delta == -1) success = 0; + else if (**mangled != '_') + success = 0; else { char *method = internal_cplus_demangle (work, ++*mangled); @@ -3077,16 +3222,13 @@ gnu_special (work, mangled, declp) } static void -recursively_demangle(work, mangled, result, namelength) - struct work_stuff *work; - const char **mangled; - string *result; - int namelength; +recursively_demangle(struct work_stuff *work, const char **mangled, + string *result, int namelength) { char * recurse = (char *)NULL; char * recurse_dem = (char *)NULL; - recurse = (char *) xmalloc (namelength + 1); + recurse = XNEWVEC (char, namelength + 1); memcpy (recurse, *mangled, namelength); recurse[namelength] = '\000'; @@ -3129,9 +3271,7 @@ DESCRIPTION */ static int -arm_special (mangled, declp) - const char **mangled; - string *declp; +arm_special (const char **mangled, string *declp) { int n; int success = 1; @@ -3214,12 +3354,8 @@ BUGS */ static int -demangle_qualified (work, mangled, result, isfuncname, append) - struct work_stuff *work; - const char **mangled; - string *result; - int isfuncname; - int append; +demangle_qualified (struct work_stuff *work, const char **mangled, + string *result, int isfuncname, int append) { int qualifiers = 0; int success = 1; @@ -3347,6 +3483,7 @@ demangle_qualified (work, mangled, result, isfuncname, append) } else { + string_delete (&last_name); success = do_type (work, mangled, &last_name); if (!success) break; @@ -3440,9 +3577,7 @@ DESCRIPTION */ static int -get_count (type, count) - const char **type; - int *count; +get_count (const char **type, int *count) { const char *p; int n; @@ -3478,26 +3613,24 @@ get_count (type, count) value returned is really a type_kind_t. */ static int -do_type (work, mangled, result) - struct work_stuff *work; - const char **mangled; - string *result; +do_type (struct work_stuff *work, const char **mangled, string *result) { int n; + int i; + int is_proctypevec; int done; int success; string decl; const char *remembered_type; int type_quals; - string btype; type_kind_t tk = tk_none; - string_init (&btype); string_init (&decl); string_init (result); done = 0; success = 1; + is_proctypevec = 0; while (success && !done) { int member; @@ -3522,6 +3655,14 @@ do_type (work, mangled, result) tk = tk_reference; break; + /* An rvalue reference type */ + case 'O': + (*mangled)++; + string_prepend (&decl, "&&"); + if (tk == tk_none) + tk = tk_rvalue_reference; + break; + /* An array */ case 'A': { @@ -3545,13 +3686,20 @@ do_type (work, mangled, result) /* A back reference to a previously seen type */ case 'T': (*mangled)++; - if (!get_count (mangled, &n) || n >= work -> ntypes) + if (!get_count (mangled, &n) || n < 0 || n >= work -> ntypes) { success = 0; } else - { - remembered_type = work -> typevec[n]; + for (i = 0; i < work->nproctypes; i++) + if (work -> proctypevec [i] == n) + success = 0; + + if (success) + { + is_proctypevec = 1; + push_processed_type (work, n); + remembered_type = work->typevec[n]; mangled = &remembered_type; } break; @@ -3579,7 +3727,6 @@ do_type (work, mangled, result) break; case 'M': - case 'O': { type_quals = TYPE_UNQUALIFIED; @@ -3610,6 +3757,7 @@ do_type (work, mangled, result) string temp; do_type (work, mangled, &temp); string_prepends (&decl, &temp); + string_delete (&temp); } else if (**mangled == 't') { @@ -3620,10 +3768,13 @@ do_type (work, mangled, result) if (success) { string_prependn (&decl, temp.b, temp.p - temp.b); - string_clear (&temp); + string_delete (&temp); } else - break; + { + string_delete (&temp); + break; + } } else if (**mangled == 'Q') { @@ -3655,11 +3806,12 @@ do_type (work, mangled, result) break; } - if (*(*mangled)++ != 'F') + if (*(*mangled) != 'F') { success = 0; break; } + (*mangled)++; } if ((member && !demangle_nested_args (work, mangled, &decl)) || **mangled != '_') @@ -3719,7 +3871,7 @@ do_type (work, mangled, result) /* A back reference to a previously seen squangled type */ case 'B': (*mangled)++; - if (!get_count (mangled, &n) || n >= work -> numb) + if (!get_count (mangled, &n) || n < 0 || n >= work -> numb) success = 0; else string_append (result, work->btypevec[n]); @@ -3770,6 +3922,9 @@ do_type (work, mangled, result) string_delete (result); string_delete (&decl); + if (is_proctypevec) + pop_processed_type (work); + if (success) /* Assume an integral type, if we're not sure. */ return (int) ((tk == tk_none) ? tk_integral : tk); @@ -3791,20 +3946,15 @@ do_type (work, mangled, result) The value returned is really a type_kind_t. */ static int -demangle_fund_type (work, mangled, result) - struct work_stuff *work; - const char **mangled; - string *result; +demangle_fund_type (struct work_stuff *work, + const char **mangled, string *result) { int done = 0; int success = 1; - char buf[10]; + char buf[INTBUF_SIZE + 5 /* 'int%u_t' */]; unsigned int dec = 0; - string btype; type_kind_t tk = tk_integral; - string_init (&btype); - /* First pick off any type qualifiers. There can be more than one. */ while (!done) @@ -3918,6 +4068,7 @@ demangle_fund_type (work, mangled, result) success = 0; break; } + /* fall through */ case 'I': (*mangled)++; if (**mangled == '_') @@ -3976,8 +4127,11 @@ demangle_fund_type (work, mangled, result) } case 't': { + string btype; + string_init (&btype); success = demangle_template (work, mangled, &btype, 0, 1, 1); string_appends (result, &btype); + string_delete (&btype); break; } default: @@ -3993,10 +4147,8 @@ demangle_fund_type (work, mangled, result) **mangled points to 'S' or 'U' */ static int -do_hpacc_template_const_value (work, mangled, result) - struct work_stuff *work ATTRIBUTE_UNUSED; - const char **mangled; - string *result; +do_hpacc_template_const_value (struct work_stuff *work ATTRIBUTE_UNUSED, + const char **mangled, string *result) { int unsigned_const; @@ -4050,10 +4202,8 @@ do_hpacc_template_const_value (work, mangled, result) **mangled is pointing to the 'A' */ static int -do_hpacc_template_literal (work, mangled, result) - struct work_stuff *work; - const char **mangled; - string *result; +do_hpacc_template_literal (struct work_stuff *work, const char **mangled, + string *result) { int literal_len = 0; char * recurse; @@ -4066,7 +4216,8 @@ do_hpacc_template_literal (work, mangled, result) literal_len = consume_count (mangled); - if (literal_len <= 0) + if (literal_len <= 0 + || literal_len > (long) strlen (*mangled)) return 0; /* Literal parameters are names of arrays, functions, etc. and the @@ -4074,7 +4225,7 @@ do_hpacc_template_literal (work, mangled, result) string_append (result, "&"); /* Now recursively demangle the literal name */ - recurse = (char *) xmalloc (literal_len + 1); + recurse = XNEWVEC (char, literal_len + 1); memcpy (recurse, *mangled, literal_len); recurse[literal_len] = '\000'; @@ -4096,9 +4247,7 @@ do_hpacc_template_literal (work, mangled, result) } static int -snarf_numeric_literal (args, arg) - const char ** args; - string * arg; +snarf_numeric_literal (const char **args, string *arg) { if (**args == '-') { @@ -4127,10 +4276,7 @@ snarf_numeric_literal (args, arg) and free'd should anything go wrong. */ static int -do_arg (work, mangled, result) - struct work_stuff *work; - const char **mangled; - string *result; +do_arg (struct work_stuff *work, const char **mangled, string *result) { /* Remember where we started so that we can record the type, for non-squangling type remembering. */ @@ -4179,12 +4325,9 @@ do_arg (work, mangled, result) do not want to add additional types to the back-referenceable type vector when processing a repeated type. */ if (work->previous_argument) - string_clear (work->previous_argument); + string_delete (work->previous_argument); else - { - work->previous_argument = (string*) xmalloc (sizeof (string)); - string_init (work->previous_argument); - } + work->previous_argument = XNEW (string); if (!do_type (work, mangled, work->previous_argument)) return 0; @@ -4196,10 +4339,42 @@ do_arg (work, mangled, result) } static void -remember_type (work, start, len) - struct work_stuff *work; - const char *start; - int len; +push_processed_type (struct work_stuff *work, int typevec_index) +{ + if (work->nproctypes >= work->proctypevec_size) + { + if (!work->proctypevec_size) + { + work->proctypevec_size = 4; + work->proctypevec = XNEWVEC (int, work->proctypevec_size); + } + else + { + if (work->proctypevec_size < 16) + /* Double when small. */ + work->proctypevec_size *= 2; + else + { + /* Grow slower when large. */ + if (work->proctypevec_size > (INT_MAX / 3) * 2) + xmalloc_failed (INT_MAX); + work->proctypevec_size = (work->proctypevec_size * 3 / 2); + } + work->proctypevec + = XRESIZEVEC (int, work->proctypevec, work->proctypevec_size); + } + } + work->proctypevec [work->nproctypes++] = typevec_index; +} + +static void +pop_processed_type (struct work_stuff *work) +{ + work->nproctypes--; +} + +static void +remember_type (struct work_stuff *work, const char *start, int len) { char *tem; @@ -4211,18 +4386,18 @@ remember_type (work, start, len) if (work -> typevec_size == 0) { work -> typevec_size = 3; - work -> typevec - = (char **) xmalloc (sizeof (char *) * work -> typevec_size); + work -> typevec = XNEWVEC (char *, work->typevec_size); } else { + if (work -> typevec_size > INT_MAX / 2) + xmalloc_failed (INT_MAX); work -> typevec_size *= 2; work -> typevec - = (char **) xrealloc ((char *)work -> typevec, - sizeof (char *) * work -> typevec_size); + = XRESIZEVEC (char *, work->typevec, work->typevec_size); } } - tem = xmalloc (len + 1); + tem = XNEWVEC (char, len + 1); memcpy (tem, start, len); tem[len] = '\0'; work -> typevec[work -> ntypes++] = tem; @@ -4231,10 +4406,7 @@ remember_type (work, start, len) /* Remember a K type class qualifier. */ static void -remember_Ktype (work, start, len) - struct work_stuff *work; - const char *start; - int len; +remember_Ktype (struct work_stuff *work, const char *start, int len) { char *tem; @@ -4243,18 +4415,18 @@ remember_Ktype (work, start, len) if (work -> ksize == 0) { work -> ksize = 5; - work -> ktypevec - = (char **) xmalloc (sizeof (char *) * work -> ksize); + work -> ktypevec = XNEWVEC (char *, work->ksize); } else { + if (work -> ksize > INT_MAX / 2) + xmalloc_failed (INT_MAX); work -> ksize *= 2; work -> ktypevec - = (char **) xrealloc ((char *)work -> ktypevec, - sizeof (char *) * work -> ksize); + = XRESIZEVEC (char *, work->ktypevec, work->ksize); } } - tem = xmalloc (len + 1); + tem = XNEWVEC (char, len + 1); memcpy (tem, start, len); tem[len] = '\0'; work -> ktypevec[work -> numk++] = tem; @@ -4265,8 +4437,7 @@ remember_Ktype (work, start, len) registers map > as B0, and temp as B1 */ static int -register_Btype (work) - struct work_stuff *work; +register_Btype (struct work_stuff *work) { int ret; @@ -4275,15 +4446,15 @@ register_Btype (work) if (work -> bsize == 0) { work -> bsize = 5; - work -> btypevec - = (char **) xmalloc (sizeof (char *) * work -> bsize); + work -> btypevec = XNEWVEC (char *, work->bsize); } else { + if (work -> bsize > INT_MAX / 2) + xmalloc_failed (INT_MAX); work -> bsize *= 2; work -> btypevec - = (char **) xrealloc ((char *)work -> btypevec, - sizeof (char *) * work -> bsize); + = XRESIZEVEC (char *, work->btypevec, work->bsize); } } ret = work -> numb++; @@ -4294,14 +4465,12 @@ register_Btype (work) /* Store a value into a previously registered B code type. */ static void -remember_Btype (work, start, len, index) - struct work_stuff *work; - const char *start; - int len, index; +remember_Btype (struct work_stuff *work, const char *start, + int len, int index) { char *tem; - tem = xmalloc (len + 1); + tem = XNEWVEC (char, len + 1); memcpy (tem, start, len); tem[len] = '\0'; work -> btypevec[index] = tem; @@ -4309,8 +4478,7 @@ remember_Btype (work, start, len, index) /* Lose all the info related to B and K type codes. */ static void -forget_B_and_K_types (work) - struct work_stuff *work; +forget_B_and_K_types (struct work_stuff *work) { int i; @@ -4337,8 +4505,7 @@ forget_B_and_K_types (work) /* Forget the remembered types, but not the type vector itself. */ static void -forget_types (work) - struct work_stuff *work; +forget_types (struct work_stuff *work) { int i; @@ -4396,10 +4563,8 @@ forget_types (work) */ static int -demangle_args (work, mangled, declp) - struct work_stuff *work; - const char **mangled; - string *declp; +demangle_args (struct work_stuff *work, const char **mangled, + string *declp) { string arg; int need_comma = 0; @@ -4472,10 +4637,13 @@ demangle_args (work, mangled, declp) { string_append (declp, ", "); } + push_processed_type (work, t); if (!do_arg (work, &tem, &arg)) { + pop_processed_type (work); return (0); } + pop_processed_type (work); if (PRINT_ARG_TYPES) { string_appends (declp, &arg); @@ -4521,10 +4689,8 @@ demangle_args (work, mangled, declp) and method pointers or references, not top-level declarations. */ static int -demangle_nested_args (work, mangled, declp) - struct work_stuff *work; - const char **mangled; - string *declp; +demangle_nested_args (struct work_stuff *work, const char **mangled, + string *declp) { string* saved_previous_argument; int result; @@ -4548,7 +4714,10 @@ demangle_nested_args (work, mangled, declp) /* Restore the previous_argument field. */ if (work->previous_argument) - string_delete (work->previous_argument); + { + string_delete (work->previous_argument); + free ((char *) work->previous_argument); + } work->previous_argument = saved_previous_argument; --work->forgetting_types; work->nrepeats = saved_nrepeats; @@ -4556,12 +4725,11 @@ demangle_nested_args (work, mangled, declp) return result; } -static void -demangle_function_name (work, mangled, declp, scan) - struct work_stuff *work; - const char **mangled; - string *declp; - const char *scan; +/* Returns 1 if a valid function name was found or 0 otherwise. */ + +static int +demangle_function_name (struct work_stuff *work, const char **mangled, + string *declp, const char *scan) { size_t i; string type; @@ -4599,13 +4767,13 @@ demangle_function_name (work, mangled, declp, scan) { work -> constructor += 1; string_clear (declp); - return; + return 1; } else if (strcmp (declp -> b, "__dt") == 0) { work -> destructor += 1; string_clear (declp); - return; + return 1; } } @@ -4713,14 +4881,19 @@ demangle_function_name (work, mangled, declp, scan) } } } + + /* If a function name was obtained but it's not valid, we were not + successful. */ + if (LEN_STRING (declp) == 1 && declp->b[0] == '.') + return 0; + else + return 1; } /* a mini string-handling package */ static void -string_need (s, n) - string *s; - int n; +string_need (string *s, int n) { int tem; @@ -4730,23 +4903,24 @@ string_need (s, n) { n = 32; } - s->p = s->b = xmalloc (n); + s->p = s->b = XNEWVEC (char, n); s->e = s->b + n; } else if (s->e - s->p < n) { tem = s->p - s->b; + if (n > INT_MAX / 2 - tem) + xmalloc_failed (INT_MAX); n += tem; n *= 2; - s->b = xrealloc (s->b, n); + s->b = XRESIZEVEC (char, s->b, n); s->p = s->b + tem; s->e = s->b + n; } } static void -string_delete (s) - string *s; +string_delete (string *s) { if (s->b != NULL) { @@ -4756,15 +4930,13 @@ string_delete (s) } static void -string_init (s) - string *s; +string_init (string *s) { s->b = s->p = s->e = NULL; } static void -string_clear (s) - string *s; +string_clear (string *s) { s->p = s->b; } @@ -4772,8 +4944,7 @@ string_clear (s) #if 0 static int -string_empty (s) - string *s; +string_empty (string *s) { return (s->b == s->p); } @@ -4781,9 +4952,7 @@ string_empty (s) #endif static void -string_append (p, s) - string *p; - const char *s; +string_append (string *p, const char *s) { int n; if (s == NULL || *s == '\0') @@ -4795,8 +4964,7 @@ string_append (p, s) } static void -string_appends (p, s) - string *p, *s; +string_appends (string *p, string *s) { int n; @@ -4810,10 +4978,7 @@ string_appends (p, s) } static void -string_appendn (p, s, n) - string *p; - const char *s; - int n; +string_appendn (string *p, const char *s, int n) { if (n != 0) { @@ -4824,9 +4989,7 @@ string_appendn (p, s, n) } static void -string_prepend (p, s) - string *p; - const char *s; +string_prepend (string *p, const char *s) { if (s != NULL && *s != '\0') { @@ -4835,8 +4998,7 @@ string_prepend (p, s) } static void -string_prepends (p, s) - string *p, *s; +string_prepends (string *p, string *s) { if (s->b != s->p) { @@ -4845,10 +5007,7 @@ string_prepends (p, s) } static void -string_prependn (p, s, n) - string *p; - const char *s; - int n; +string_prependn (string *p, const char *s, int n) { char *q; @@ -4865,345 +5024,9 @@ string_prependn (p, s, n) } static void -string_append_template_idx (s, idx) - string *s; - int idx; +string_append_template_idx (string *s, int idx) { char buf[INTBUF_SIZE + 1 /* 'T' */]; sprintf(buf, "T%d", idx); string_append (s, buf); } - -/* To generate a standalone demangler program for testing purposes, - just compile and link this file with -DMAIN and libiberty.a. When - run, it demangles each command line arg, or each stdin string, and - prints the result on stdout. */ - -#ifdef MAIN - -#include "getopt.h" - -static const char *program_name; -static const char *program_version = VERSION; -static int flags = DMGL_PARAMS | DMGL_ANSI | DMGL_VERBOSE; - -static void demangle_it PARAMS ((char *)); -static void usage PARAMS ((FILE *, int)) ATTRIBUTE_NORETURN; -static void fatal PARAMS ((const char *)) ATTRIBUTE_NORETURN; -static void print_demangler_list PARAMS ((FILE *)); - -static void -demangle_it (mangled_name) - char *mangled_name; -{ - char *result; - - /* For command line args, also try to demangle type encodings. */ - result = cplus_demangle (mangled_name, flags | DMGL_TYPES); - if (result == NULL) - { - printf ("%s\n", mangled_name); - } - else - { - printf ("%s\n", result); - free (result); - } -} - -static void -print_demangler_list (stream) - FILE *stream; -{ - const struct demangler_engine *demangler; - - fprintf (stream, "{%s", libiberty_demanglers->demangling_style_name); - - for (demangler = libiberty_demanglers + 1; - demangler->demangling_style != unknown_demangling; - ++demangler) - fprintf (stream, ",%s", demangler->demangling_style_name); - - fprintf (stream, "}"); -} - -static void -usage (stream, status) - FILE *stream; - int status; -{ - fprintf (stream, "\ -Usage: %s [-_] [-n] [--strip-underscores] [--no-strip-underscores] \n", - program_name); - - fprintf (stream, "\ - [-s "); - print_demangler_list (stream); - fprintf (stream, "]\n"); - - fprintf (stream, "\ - [--format "); - print_demangler_list (stream); - fprintf (stream, "]\n"); - - fprintf (stream, "\ - [--help] [--version] [arg...]\n"); - exit (status); -} - -#define MBUF_SIZE 32767 -char mbuffer[MBUF_SIZE]; - -/* Defined in the automatically-generated underscore.c. */ -extern int prepends_underscore; - -int strip_underscore = 0; - -static const struct option long_options[] = { - {"strip-underscores", no_argument, 0, '_'}, - {"format", required_argument, 0, 's'}, - {"help", no_argument, 0, 'h'}, - {"no-strip-underscores", no_argument, 0, 'n'}, - {"version", no_argument, 0, 'v'}, - {0, no_argument, 0, 0} -}; - -/* More 'friendly' abort that prints the line and file. - config.h can #define abort fancy_abort if you like that sort of thing. */ - -void -fancy_abort () -{ - fatal ("Internal gcc abort."); -} - - -static const char * -standard_symbol_characters PARAMS ((void)); - -static const char * -hp_symbol_characters PARAMS ((void)); - -static const char * -gnu_v3_symbol_characters PARAMS ((void)); - -/* Return the string of non-alnum characters that may occur - as a valid symbol component, in the standard assembler symbol - syntax. */ - -static const char * -standard_symbol_characters () -{ - return "_$."; -} - - -/* Return the string of non-alnum characters that may occur - as a valid symbol name component in an HP object file. - - Note that, since HP's compiler generates object code straight from - C++ source, without going through an assembler, its mangled - identifiers can use all sorts of characters that no assembler would - tolerate, so the alphabet this function creates is a little odd. - Here are some sample mangled identifiers offered by HP: - - typeid*__XT24AddressIndExpClassMember_ - [Vftptr]key:__dt__32OrdinaryCompareIndExpClassMemberFv - __ct__Q2_9Elf64_Dyn18{unnamed.union.#1}Fv - - This still seems really weird to me, since nowhere else in this - file is there anything to recognize curly brackets, parens, etc. - I've talked with Srikanth , and he assures me - this is right, but I still strongly suspect that there's a - misunderstanding here. - - If we decide it's better for c++filt to use HP's assembler syntax - to scrape identifiers out of its input, here's the definition of - the symbol name syntax from the HP assembler manual: - - Symbols are composed of uppercase and lowercase letters, decimal - digits, dollar symbol, period (.), ampersand (&), pound sign(#) and - underscore (_). A symbol can begin with a letter, digit underscore or - dollar sign. If a symbol begins with a digit, it must contain a - non-digit character. - - So have fun. */ -static const char * -hp_symbol_characters () -{ - return "_$.<>#,*&[]:(){}"; -} - - -/* Return the string of non-alnum characters that may occur - as a valid symbol component in the GNU C++ V3 ABI mangling - scheme. */ - -static const char * -gnu_v3_symbol_characters () -{ - return "_$."; -} - - -extern int main PARAMS ((int, char **)); - -int -main (argc, argv) - int argc; - char **argv; -{ - char *result; - int c; - const char *valid_symbols; - enum demangling_styles style = auto_demangling; - - program_name = argv[0]; - - strip_underscore = prepends_underscore; - - while ((c = getopt_long (argc, argv, "_ns:", long_options, (int *) 0)) != EOF) - { - switch (c) - { - case '?': - usage (stderr, 1); - break; - case 'h': - usage (stdout, 0); - case 'n': - strip_underscore = 0; - break; - case 'v': - printf ("GNU %s (C++ demangler), version %s\n", program_name, program_version); - return (0); - case '_': - strip_underscore = 1; - break; - case 's': - { - style = cplus_demangle_name_to_style (optarg); - if (style == unknown_demangling) - { - fprintf (stderr, "%s: unknown demangling style `%s'\n", - program_name, optarg); - return (1); - } - else - cplus_demangle_set_style (style); - } - break; - } - } - - if (optind < argc) - { - for ( ; optind < argc; optind++) - { - demangle_it (argv[optind]); - } - } - else - { - switch (current_demangling_style) - { - case gnu_demangling: - case lucid_demangling: - case arm_demangling: - case java_demangling: - case edg_demangling: - case gnat_demangling: - case auto_demangling: - valid_symbols = standard_symbol_characters (); - break; - case hp_demangling: - valid_symbols = hp_symbol_characters (); - break; - case gnu_v3_demangling: - valid_symbols = gnu_v3_symbol_characters (); - break; - default: - /* Folks should explicitly indicate the appropriate alphabet for - each demangling. Providing a default would allow the - question to go unconsidered. */ - abort (); - } - - for (;;) - { - int i = 0; - c = getchar (); - /* Try to read a label. */ - while (c != EOF && (ISALNUM (c) || strchr (valid_symbols, c))) - { - if (i >= MBUF_SIZE-1) - break; - mbuffer[i++] = c; - c = getchar (); - } - if (i > 0) - { - int skip_first = 0; - - if (mbuffer[0] == '.' || mbuffer[0] == '$') - ++skip_first; - if (strip_underscore && mbuffer[skip_first] == '_') - ++skip_first; - - if (skip_first > i) - skip_first = i; - - mbuffer[i] = 0; - flags |= (int) style; - result = cplus_demangle (mbuffer + skip_first, flags); - if (result) - { - if (mbuffer[0] == '.') - putc ('.', stdout); - fputs (result, stdout); - free (result); - } - else - fputs (mbuffer, stdout); - - fflush (stdout); - } - if (c == EOF) - break; - putchar (c); - fflush (stdout); - } - } - - return (0); -} - -static void -fatal (str) - const char *str; -{ - fprintf (stderr, "%s: %s\n", program_name, str); - exit (1); -} - -PTR -xmalloc (size) - size_t size; -{ - register PTR value = (PTR) malloc (size); - if (value == 0) - fatal ("virtual memory exhausted"); - return value; -} - -PTR -xrealloc (ptr, size) - PTR ptr; - size_t size; -{ - register PTR value = (PTR) realloc (ptr, size); - if (value == 0) - fatal ("virtual memory exhausted"); - return value; -} -#endif /* main */