| /* Demangler for GNU C++ |
| Copyright 1989, 1991, 1994, 1995, 1996, 1997, 1998, 1999, |
| 2000 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 |
| |
| This file is part of the libiberty library. |
| Libiberty is free software; you can redistribute it and/or |
| 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. |
| |
| 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 |
| 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. */ |
| |
| /* This file exports two functions; cplus_mangle_opname and cplus_demangle. |
| |
| This file imports xmalloc and xrealloc, which are like malloc and |
| realloc except that they generate a fatal error if there is no |
| available memory. */ |
| |
| /* This file lives in both GCC and libiberty. When making changes, please |
| try not to break either. */ |
| |
| #ifdef HAVE_CONFIG_H |
| #include "config.h" |
| #endif |
| |
| #include "safe-ctype.h" |
| |
| #include <sys/types.h> |
| #include <string.h> |
| #include <stdio.h> |
| |
| #ifdef HAVE_STDLIB_H |
| #include <stdlib.h> |
| #else |
| char * malloc (); |
| char * realloc (); |
| #endif |
| |
| #include <demangle.h> |
| #undef CURRENT_DEMANGLING_STYLE |
| #define CURRENT_DEMANGLING_STYLE work->options |
| |
| #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; |
| |
| static const char *mystrstr PARAMS ((const char *, const char *)); |
| |
| static const char * |
| mystrstr (s1, s2) |
| const char *s1, *s2; |
| { |
| register const char *p = s1; |
| register int len = strlen (s2); |
| |
| for (; (p = strchr (p, *s2)) != 0; p++) |
| { |
| if (strncmp (p, s2, len) == 0) |
| { |
| return (p); |
| } |
| } |
| return (0); |
| } |
| |
| /* In order to allow a single demangler executable to demangle strings |
| using various common values of CPLUS_MARKER, as well as any specific |
| one set at compile time, we maintain a string containing all the |
| commonly used ones, and check to see if the marker we are looking for |
| is in that string. CPLUS_MARKER is usually '$' on systems where the |
| assembler can deal with that. Where the assembler can't, it's usually |
| '.' (but on many systems '.' is used for other things). We put the |
| current defined CPLUS_MARKER first (which defaults to '$'), followed |
| by the next most common value, followed by an explicit '$' in case |
| the value of CPLUS_MARKER is not '$'. |
| |
| We could avoid this if we could just get g++ to tell us what the actual |
| cplus marker character is as part of the debug information, perhaps by |
| ensuring that it is the character that terminates the gcc<n>_compiled |
| marker symbol (FIXME). */ |
| |
| #if !defined (CPLUS_MARKER) |
| #define CPLUS_MARKER '$' |
| #endif |
| |
| enum demangling_styles current_demangling_style = auto_demangling; |
| |
| static char cplus_markers[] = { CPLUS_MARKER, '.', '$', '\0' }; |
| |
| static char char_str[2] = { '\000', '\000' }; |
| |
| void |
| set_cplus_marker_for_demangling (ch) |
| int ch; |
| { |
| cplus_markers[0] = ch; |
| } |
| |
| typedef struct string /* Beware: these aren't required to be */ |
| { /* '\0' terminated. */ |
| char *b; /* pointer to start of string */ |
| char *p; /* pointer after last character */ |
| char *e; /* pointer after end of allocated space */ |
| } string; |
| |
| /* Stuff that is shared between sub-routines. |
| Using a shared structure allows cplus_demangle to be reentrant. */ |
| |
| struct work_stuff |
| { |
| int options; |
| char **typevec; |
| char **ktypevec; |
| char **btypevec; |
| int numk; |
| int numb; |
| int ksize; |
| int bsize; |
| int ntypes; |
| int typevec_size; |
| int constructor; |
| int destructor; |
| int static_type; /* A static member function */ |
| int temp_start; /* index in demangled to start of template args */ |
| int type_quals; /* The type qualifiers. */ |
| int dllimported; /* Symbol imported from a PE DLL */ |
| char **tmpl_argvec; /* Template function arguments. */ |
| int ntmpl_args; /* The number of template function arguments. */ |
| int forgetting_types; /* Nonzero if we are not remembering the types |
| we see. */ |
| string* previous_argument; /* The last function argument demangled. */ |
| int nrepeats; /* The number of times to repeat the previous |
| argument. */ |
| }; |
| |
| #define PRINT_ANSI_QUALIFIERS (work -> options & DMGL_ANSI) |
| #define PRINT_ARG_TYPES (work -> options & DMGL_PARAMS) |
| |
| static const struct optable |
| { |
| const char *in; |
| const char *out; |
| int flags; |
| } optable[] = { |
| {"nw", " new", DMGL_ANSI}, /* new (1.92, ansi) */ |
| {"dl", " delete", DMGL_ANSI}, /* new (1.92, ansi) */ |
| {"new", " new", 0}, /* old (1.91, and 1.x) */ |
| {"delete", " delete", 0}, /* old (1.91, and 1.x) */ |
| {"vn", " new []", DMGL_ANSI}, /* GNU, pending ansi */ |
| {"vd", " delete []", DMGL_ANSI}, /* GNU, pending ansi */ |
| {"as", "=", DMGL_ANSI}, /* ansi */ |
| {"ne", "!=", DMGL_ANSI}, /* old, ansi */ |
| {"eq", "==", DMGL_ANSI}, /* old, ansi */ |
| {"ge", ">=", DMGL_ANSI}, /* old, ansi */ |
| {"gt", ">", DMGL_ANSI}, /* old, ansi */ |
| {"le", "<=", DMGL_ANSI}, /* old, ansi */ |
| {"lt", "<", DMGL_ANSI}, /* old, ansi */ |
| {"plus", "+", 0}, /* old */ |
| {"pl", "+", DMGL_ANSI}, /* ansi */ |
| {"apl", "+=", DMGL_ANSI}, /* ansi */ |
| {"minus", "-", 0}, /* old */ |
| {"mi", "-", DMGL_ANSI}, /* ansi */ |
| {"ami", "-=", DMGL_ANSI}, /* ansi */ |
| {"mult", "*", 0}, /* old */ |
| {"ml", "*", DMGL_ANSI}, /* ansi */ |
| {"amu", "*=", DMGL_ANSI}, /* ansi (ARM/Lucid) */ |
| {"aml", "*=", DMGL_ANSI}, /* ansi (GNU/g++) */ |
| {"convert", "+", 0}, /* old (unary +) */ |
| {"negate", "-", 0}, /* old (unary -) */ |
| {"trunc_mod", "%", 0}, /* old */ |
| {"md", "%", DMGL_ANSI}, /* ansi */ |
| {"amd", "%=", DMGL_ANSI}, /* ansi */ |
| {"trunc_div", "/", 0}, /* old */ |
| {"dv", "/", DMGL_ANSI}, /* ansi */ |
| {"adv", "/=", DMGL_ANSI}, /* ansi */ |
| {"truth_andif", "&&", 0}, /* old */ |
| {"aa", "&&", DMGL_ANSI}, /* ansi */ |
| {"truth_orif", "||", 0}, /* old */ |
| {"oo", "||", DMGL_ANSI}, /* ansi */ |
| {"truth_not", "!", 0}, /* old */ |
| {"nt", "!", DMGL_ANSI}, /* ansi */ |
| {"postincrement","++", 0}, /* old */ |
| {"pp", "++", DMGL_ANSI}, /* ansi */ |
| {"postdecrement","--", 0}, /* old */ |
| {"mm", "--", DMGL_ANSI}, /* ansi */ |
| {"bit_ior", "|", 0}, /* old */ |
| {"or", "|", DMGL_ANSI}, /* ansi */ |
| {"aor", "|=", DMGL_ANSI}, /* ansi */ |
| {"bit_xor", "^", 0}, /* old */ |
| {"er", "^", DMGL_ANSI}, /* ansi */ |
| {"aer", "^=", DMGL_ANSI}, /* ansi */ |
| {"bit_and", "&", 0}, /* old */ |
| {"ad", "&", DMGL_ANSI}, /* ansi */ |
| {"aad", "&=", DMGL_ANSI}, /* ansi */ |
| {"bit_not", "~", 0}, /* old */ |
| {"co", "~", DMGL_ANSI}, /* ansi */ |
| {"call", "()", 0}, /* old */ |
| {"cl", "()", DMGL_ANSI}, /* ansi */ |
| {"alshift", "<<", 0}, /* old */ |
| {"ls", "<<", DMGL_ANSI}, /* ansi */ |
| {"als", "<<=", DMGL_ANSI}, /* ansi */ |
| {"arshift", ">>", 0}, /* old */ |
| {"rs", ">>", DMGL_ANSI}, /* ansi */ |
| {"ars", ">>=", DMGL_ANSI}, /* ansi */ |
| {"component", "->", 0}, /* old */ |
| {"pt", "->", DMGL_ANSI}, /* ansi; Lucid C++ form */ |
| {"rf", "->", DMGL_ANSI}, /* ansi; ARM/GNU form */ |
| {"indirect", "*", 0}, /* old */ |
| {"method_call", "->()", 0}, /* old */ |
| {"addr", "&", 0}, /* old (unary &) */ |
| {"array", "[]", 0}, /* old */ |
| {"vc", "[]", DMGL_ANSI}, /* ansi */ |
| {"compound", ", ", 0}, /* old */ |
| {"cm", ", ", DMGL_ANSI}, /* ansi */ |
| {"cond", "?:", 0}, /* old */ |
| {"cn", "?:", DMGL_ANSI}, /* pseudo-ansi */ |
| {"max", ">?", 0}, /* old */ |
| {"mx", ">?", DMGL_ANSI}, /* pseudo-ansi */ |
| {"min", "<?", 0}, /* old */ |
| {"mn", "<?", DMGL_ANSI}, /* pseudo-ansi */ |
| {"nop", "", 0}, /* old (for operator=) */ |
| {"rm", "->*", DMGL_ANSI}, /* ansi */ |
| {"sz", "sizeof ", DMGL_ANSI} /* pseudo-ansi */ |
| }; |
| |
| /* These values are used to indicate the various type varieties. |
| They are all non-zero so that they can be used as `success' |
| values. */ |
| typedef enum type_kind_t |
| { |
| tk_none, |
| tk_pointer, |
| tk_reference, |
| tk_integral, |
| tk_bool, |
| tk_char, |
| tk_real |
| } type_kind_t; |
| |
| struct demangler_engine libiberty_demanglers[] = |
| { |
| { |
| AUTO_DEMANGLING_STYLE_STRING, |
| auto_demangling, |
| "Automatic selection based on executable" |
| } |
| , |
| { |
| GNU_DEMANGLING_STYLE_STRING, |
| gnu_demangling, |
| "GNU (g++) style demangling" |
| } |
| , |
| { |
| LUCID_DEMANGLING_STYLE_STRING, |
| lucid_demangling, |
| "Lucid (lcc) style demangling" |
| } |
| , |
| { |
| ARM_DEMANGLING_STYLE_STRING, |
| arm_demangling, |
| "ARM style demangling" |
| } |
| , |
| { |
| HP_DEMANGLING_STYLE_STRING, |
| hp_demangling, |
| "HP (aCC) style demangling" |
| } |
| , |
| { |
| EDG_DEMANGLING_STYLE_STRING, |
| edg_demangling, |
| "EDG style demangling" |
| } |
| , |
| { |
| GNU_V3_DEMANGLING_STYLE_STRING, |
| gnu_v3_demangling, |
| "GNU (g++) V3 ABI-style demangling" |
| } |
| , |
| { |
| JAVA_DEMANGLING_STYLE_STRING, |
| java_demangling, |
| "Java style demangling" |
| } |
| , |
| { |
| GNAT_DEMANGLING_STYLE_STRING, |
| gnat_demangling, |
| "GNAT 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)) |
| |
| /* The scope separator appropriate for the language being demangled. */ |
| |
| #define SCOPE_STRING(work) ((work->options & DMGL_JAVA) ? "." : "::") |
| |
| #define ARM_VTABLE_STRING "__vtbl__" /* Lucid/ARM virtual table prefix */ |
| #define ARM_VTABLE_STRLEN 8 /* strlen (ARM_VTABLE_STRING) */ |
| |
| /* Prototypes for local functions */ |
| |
| static void |
| delete_work_stuff PARAMS ((struct work_stuff *)); |
| |
| static void |
| delete_non_B_K_work_stuff PARAMS ((struct work_stuff *)); |
| |
| static char * |
| mop_up PARAMS ((struct work_stuff *, string *, int)); |
| |
| static void |
| squangle_mop_up PARAMS ((struct work_stuff *)); |
| |
| static void |
| work_stuff_copy_to_from PARAMS ((struct work_stuff *, struct work_stuff *)); |
| |
| #if 0 |
| static int |
| demangle_method_args PARAMS ((struct work_stuff *, const char **, string *)); |
| #endif |
| |
| static char * |
| internal_cplus_demangle PARAMS ((struct work_stuff *, const char *)); |
| |
| static int |
| demangle_template_template_parm PARAMS ((struct work_stuff *work, |
| const char **, string *)); |
| |
| static int |
| demangle_template PARAMS ((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 **)); |
| |
| static int |
| demangle_class_name PARAMS ((struct work_stuff *, const char **, string *)); |
| |
| static int |
| demangle_qualified PARAMS ((struct work_stuff *, const char **, string *, |
| int, int)); |
| |
| static int |
| demangle_class PARAMS ((struct work_stuff *, const char **, string *)); |
| |
| static int |
| demangle_fund_type PARAMS ((struct work_stuff *, const char **, string *)); |
| |
| static int |
| demangle_signature PARAMS ((struct work_stuff *, const char **, string *)); |
| |
| static int |
| demangle_prefix PARAMS ((struct work_stuff *, const char **, string *)); |
| |
| static int |
| gnu_special PARAMS ((struct work_stuff *, const char **, string *)); |
| |
| static int |
| arm_special PARAMS ((const char **, string *)); |
| |
| static void |
| string_need PARAMS ((string *, int)); |
| |
| static void |
| string_delete PARAMS ((string *)); |
| |
| static void |
| string_init PARAMS ((string *)); |
| |
| static void |
| string_clear PARAMS ((string *)); |
| |
| #if 0 |
| static int |
| string_empty PARAMS ((string *)); |
| #endif |
| |
| static void |
| string_append PARAMS ((string *, const char *)); |
| |
| static void |
| string_appends PARAMS ((string *, string *)); |
| |
| static void |
| string_appendn PARAMS ((string *, const char *, int)); |
| |
| static void |
| string_prepend PARAMS ((string *, const char *)); |
| |
| static void |
| string_prependn PARAMS ((string *, const char *, int)); |
| |
| static void |
| string_append_template_idx PARAMS ((string *, int)); |
| |
| static int |
| get_count PARAMS ((const char **, int *)); |
| |
| static int |
| consume_count PARAMS ((const char **)); |
| |
| static int |
| consume_count_with_underscores PARAMS ((const char**)); |
| |
| static int |
| demangle_args PARAMS ((struct work_stuff *, const char **, string *)); |
| |
| static int |
| demangle_nested_args PARAMS ((struct work_stuff*, const char**, string*)); |
| |
| static int |
| do_type PARAMS ((struct work_stuff *, const char **, string *)); |
| |
| static int |
| do_arg PARAMS ((struct work_stuff *, const char **, string *)); |
| |
| static void |
| demangle_function_name PARAMS ((struct work_stuff *, const char **, string *, |
| const char *)); |
| |
| static int |
| iterate_demangle_function PARAMS ((struct work_stuff *, |
| const char **, string *, const char *)); |
| |
| static void |
| remember_type PARAMS ((struct work_stuff *, const char *, int)); |
| |
| static void |
| remember_Btype PARAMS ((struct work_stuff *, const char *, int, int)); |
| |
| static int |
| register_Btype PARAMS ((struct work_stuff *)); |
| |
| static void |
| remember_Ktype PARAMS ((struct work_stuff *, const char *, int)); |
| |
| static void |
| forget_types PARAMS ((struct work_stuff *)); |
| |
| static void |
| forget_B_and_K_types PARAMS ((struct work_stuff *)); |
| |
| static void |
| string_prepends PARAMS ((string *, string *)); |
| |
| static int |
| demangle_template_value_parm PARAMS ((struct work_stuff*, const char**, |
| string*, type_kind_t)); |
| |
| static int |
| do_hpacc_template_const_value PARAMS ((struct work_stuff *, const char **, string *)); |
| |
| static int |
| do_hpacc_template_literal PARAMS ((struct work_stuff *, const char **, string *)); |
| |
| static int |
| snarf_numeric_literal PARAMS ((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 |
| type. */ |
| |
| #define TYPE_UNQUALIFIED 0x0 |
| #define TYPE_QUAL_CONST 0x1 |
| #define TYPE_QUAL_VOLATILE 0x2 |
| #define TYPE_QUAL_RESTRICT 0x4 |
| |
| static int |
| code_for_qualifier PARAMS ((int)); |
| |
| static const char* |
| qualifier_string PARAMS ((int)); |
| |
| static const char* |
| demangle_qualifier PARAMS ((int)); |
| |
| static int |
| demangle_expression PARAMS ((struct work_stuff *, const char **, string *, |
| type_kind_t)); |
| |
| static int |
| demangle_integral_value PARAMS ((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 *)); |
| |
| static void |
| recursively_demangle PARAMS ((struct work_stuff *, const char **, string *, |
| int)); |
| |
| static void |
| grow_vect PARAMS ((void **, size_t *, size_t, int)); |
| |
| /* Translate count to integer, consuming tokens in the process. |
| Conversion terminates on the first non-digit character. |
| |
| Trying to consume something that isn't a count results in no |
| consumption of input and a return of -1. |
| |
| Overflow consumes the rest of the digits, and returns -1. */ |
| |
| static int |
| consume_count (type) |
| const char **type; |
| { |
| int count = 0; |
| |
| if (! ISDIGIT ((unsigned char)**type)) |
| return -1; |
| |
| 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) |
| { |
| while (ISDIGIT ((unsigned char) **type)) |
| (*type)++; |
| return -1; |
| } |
| |
| count += **type - '0'; |
| (*type)++; |
| } |
| |
| return (count); |
| } |
| |
| |
| /* Like consume_count, but for counts that are preceded and followed |
| by '_' if they are greater than 10. Also, -1 is returned for |
| failure, since 0 can be a valid value. */ |
| |
| static int |
| consume_count_with_underscores (mangled) |
| const char **mangled; |
| { |
| int idx; |
| |
| if (**mangled == '_') |
| { |
| (*mangled)++; |
| if (!ISDIGIT ((unsigned char)**mangled)) |
| return -1; |
| |
| idx = consume_count (mangled); |
| if (**mangled != '_') |
| /* The trailing underscore was missing. */ |
| return -1; |
| |
| (*mangled)++; |
| } |
| else |
| { |
| if (**mangled < '0' || **mangled > '9') |
| return -1; |
| |
| idx = **mangled - '0'; |
| (*mangled)++; |
| } |
| |
| return idx; |
| } |
| |
| /* C is the code for a type-qualifier. Return the TYPE_QUAL |
| corresponding to this qualifier. */ |
| |
| static int |
| code_for_qualifier (c) |
| int c; |
| { |
| switch (c) |
| { |
| case 'C': |
| return TYPE_QUAL_CONST; |
| |
| case 'V': |
| return TYPE_QUAL_VOLATILE; |
| |
| case 'u': |
| return TYPE_QUAL_RESTRICT; |
| |
| default: |
| break; |
| } |
| |
| /* C was an invalid qualifier. */ |
| abort (); |
| } |
| |
| /* Return the string corresponding to the qualifiers given by |
| TYPE_QUALS. */ |
| |
| static const char* |
| qualifier_string (type_quals) |
| int type_quals; |
| { |
| switch (type_quals) |
| { |
| case TYPE_UNQUALIFIED: |
| return ""; |
| |
| case TYPE_QUAL_CONST: |
| return "const"; |
| |
| case TYPE_QUAL_VOLATILE: |
| return "volatile"; |
| |
| case TYPE_QUAL_RESTRICT: |
| return "__restrict"; |
| |
| case TYPE_QUAL_CONST | TYPE_QUAL_VOLATILE: |
| return "const volatile"; |
| |
| case TYPE_QUAL_CONST | TYPE_QUAL_RESTRICT: |
| return "const __restrict"; |
| |
| case TYPE_QUAL_VOLATILE | TYPE_QUAL_RESTRICT: |
| return "volatile __restrict"; |
| |
| case TYPE_QUAL_CONST | TYPE_QUAL_VOLATILE | TYPE_QUAL_RESTRICT: |
| return "const volatile __restrict"; |
| |
| default: |
| break; |
| } |
| |
| /* TYPE_QUALS was an invalid qualifier set. */ |
| abort (); |
| } |
| |
| /* C is the code for a type-qualifier. Return the string |
| corresponding to this qualifier. This function should only be |
| called with a valid qualifier code. */ |
| |
| static const char* |
| demangle_qualifier (c) |
| int c; |
| { |
| return qualifier_string (code_for_qualifier (c)); |
| } |
| |
| int |
| cplus_demangle_opname (opname, result, options) |
| const char *opname; |
| char *result; |
| int options; |
| { |
| int len, len1, ret; |
| string type; |
| struct work_stuff work[1]; |
| const char *tem; |
| |
| len = strlen(opname); |
| result[0] = '\0'; |
| ret = 0; |
| memset ((char *) work, 0, sizeof (work)); |
| work->options = options; |
| |
| if (opname[0] == '_' && opname[1] == '_' |
| && opname[2] == 'o' && opname[3] == 'p') |
| { |
| /* ANSI. */ |
| /* type conversion operator. */ |
| tem = opname + 4; |
| if (do_type (work, &tem, &type)) |
| { |
| strcat (result, "operator "); |
| strncat (result, type.b, type.p - type.b); |
| string_delete (&type); |
| ret = 1; |
| } |
| } |
| else if (opname[0] == '_' && opname[1] == '_' |
| && ISLOWER((unsigned char)opname[2]) |
| && ISLOWER((unsigned char)opname[3])) |
| { |
| if (opname[4] == '\0') |
| { |
| /* Operator. */ |
| size_t i; |
| for (i = 0; i < ARRAY_SIZE (optable); i++) |
| { |
| if (strlen (optable[i].in) == 2 |
| && memcmp (optable[i].in, opname + 2, 2) == 0) |
| { |
| strcat (result, "operator"); |
| strcat (result, optable[i].out); |
| ret = 1; |
| break; |
| } |
| } |
| } |
| else |
| { |
| if (opname[2] == 'a' && opname[5] == '\0') |
| { |
| /* Assignment. */ |
| size_t i; |
| for (i = 0; i < ARRAY_SIZE (optable); i++) |
| { |
| if (strlen (optable[i].in) == 3 |
| && memcmp (optable[i].in, opname + 2, 3) == 0) |
| { |
| strcat (result, "operator"); |
| strcat (result, optable[i].out); |
| ret = 1; |
| break; |
| } |
| } |
| } |
| } |
| } |
| else if (len >= 3 |
| && opname[0] == 'o' |
| && opname[1] == 'p' |
| && strchr (cplus_markers, opname[2]) != NULL) |
| { |
| /* see if it's an assignment expression */ |
| if (len >= 10 /* op$assign_ */ |
| && memcmp (opname + 3, "assign_", 7) == 0) |
| { |
| size_t i; |
| for (i = 0; i < ARRAY_SIZE (optable); i++) |
| { |
| len1 = len - 10; |
| if ((int) strlen (optable[i].in) == len1 |
| && memcmp (optable[i].in, opname + 10, len1) == 0) |
| { |
| strcat (result, "operator"); |
| strcat (result, optable[i].out); |
| strcat (result, "="); |
| ret = 1; |
| break; |
| } |
| } |
| } |
| else |
| { |
| size_t i; |
| for (i = 0; i < ARRAY_SIZE (optable); i++) |
| { |
| len1 = len - 3; |
| if ((int) strlen (optable[i].in) == len1 |
| && memcmp (optable[i].in, opname + 3, len1) == 0) |
| { |
| strcat (result, "operator"); |
| strcat (result, optable[i].out); |
| ret = 1; |
| break; |
| } |
| } |
| } |
| } |
| else if (len >= 5 && memcmp (opname, "type", 4) == 0 |
| && strchr (cplus_markers, opname[4]) != NULL) |
| { |
| /* type conversion operator */ |
| tem = opname + 5; |
| if (do_type (work, &tem, &type)) |
| { |
| strcat (result, "operator "); |
| strncat (result, type.b, type.p - type.b); |
| string_delete (&type); |
| ret = 1; |
| } |
| } |
| squangle_mop_up (work); |
| return ret; |
| |
| } |
| |
| /* Takes operator name as e.g. "++" and returns mangled |
| operator name (e.g. "postincrement_expr"), or NULL if not found. |
| |
| If OPTIONS & DMGL_ANSI == 1, return the ANSI name; |
| if OPTIONS & DMGL_ANSI == 0, return the old GNU name. */ |
| |
| const char * |
| cplus_mangle_opname (opname, options) |
| const char *opname; |
| int options; |
| { |
| size_t i; |
| int len; |
| |
| len = strlen (opname); |
| for (i = 0; i < ARRAY_SIZE (optable); i++) |
| { |
| if ((int) strlen (optable[i].out) == len |
| && (options & DMGL_ANSI) == (optable[i].flags & DMGL_ANSI) |
| && memcmp (optable[i].out, opname, len) == 0) |
| return optable[i].in; |
| } |
| return (0); |
| } |
| |
| /* Add a routine to set the demangling style to be sure it is valid and |
| allow for any demangler initialization that maybe necessary. */ |
| |
| enum demangling_styles |
| cplus_demangle_set_style (style) |
| enum demangling_styles style; |
| { |
| struct demangler_engine *demangler = libiberty_demanglers; |
| |
| for (; demangler->demangling_style != unknown_demangling; ++demangler) |
| if (style == demangler->demangling_style) |
| { |
| current_demangling_style = style; |
| return current_demangling_style; |
| } |
| |
| return unknown_demangling; |
| } |
| |
| /* Do string name to style translation */ |
| |
| enum demangling_styles |
| cplus_demangle_name_to_style (name) |
| const char *name; |
| { |
| struct demangler_engine *demangler = libiberty_demanglers; |
| |
| for (; demangler->demangling_style != unknown_demangling; ++demangler) |
| if (strcmp (name, demangler->demangling_style_name) == 0) |
| return demangler->demangling_style; |
| |
| return unknown_demangling; |
| } |
| |
| /* char *cplus_demangle (const char *mangled, int options) |
| |
| If MANGLED is a mangled function name produced by GNU C++, then |
| a pointer to a malloced string giving a C++ representation |
| of the name will be returned; otherwise NULL will be returned. |
| It is the caller's responsibility to free the string which |
| is returned. |
| |
| The OPTIONS arg may contain one or more of the following bits: |
| |
| DMGL_ANSI ANSI qualifiers such as `const' and `void' are |
| included. |
| DMGL_PARAMS Function parameters are included. |
| |
| For example, |
| |
| cplus_demangle ("foo__1Ai", DMGL_PARAMS) => "A::foo(int)" |
| cplus_demangle ("foo__1Ai", DMGL_PARAMS | DMGL_ANSI) => "A::foo(int)" |
| cplus_demangle ("foo__1Ai", 0) => "A::foo" |
| |
| cplus_demangle ("foo__1Afe", DMGL_PARAMS) => "A::foo(float,...)" |
| cplus_demangle ("foo__1Afe", DMGL_PARAMS | DMGL_ANSI)=> "A::foo(float,...)" |
| cplus_demangle ("foo__1Afe", 0) => "A::foo" |
| |
| Note that any leading underscores, or other such characters prepended by |
| the compilation system, are presumed to have already been stripped from |
| MANGLED. */ |
| |
| char * |
| cplus_demangle (mangled, options) |
| const char *mangled; |
| int options; |
| { |
| char *ret; |
| struct work_stuff work[1]; |
| memset ((char *) work, 0, sizeof (work)); |
| work->options = options; |
| if ((work->options & DMGL_STYLE_MASK) == 0) |
| work->options |= (int) current_demangling_style & DMGL_STYLE_MASK; |
| |
| /* The V3 ABI demangling is implemented elsewhere. */ |
| if (GNU_V3_DEMANGLING || AUTO_DEMANGLING) |
| { |
| ret = cplus_demangle_v3 (mangled); |
| if (ret || GNU_V3_DEMANGLING) |
| return ret; |
| } |
| |
| if (GNAT_DEMANGLING) |
| return ada_demangle(mangled,options); |
| |
| 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; |
| { |
| if (*size < min_size) |
| { |
| *size *= 2; |
| if (*size < min_size) |
| *size = min_size; |
| *old_vect = xrealloc (*old_vect, *size * element_size); |
| } |
| } |
| |
| /* Demangle ada names: |
| 1. Discard final __{DIGIT}+ or ${DIGIT}+ |
| 2. Convert other instances of embedded "__" to `.'. |
| 3. Discard leading _ada_. |
| 4. Remove everything after first ___ if it is followed by 'X'. |
| 5. Put symbols that should be suppressed in <...> brackets. |
| The resulting string is valid until the next call of ada_demangle. */ |
| |
| static char * |
| ada_demangle (mangled, option) |
| const char *mangled; |
| int option ATTRIBUTE_UNUSED; |
| { |
| int i, j; |
| int len0; |
| const char* p; |
| char *demangled = NULL; |
| int at_start_name; |
| int changed; |
| char *demangling_buffer = NULL; |
| size_t demangling_buffer_size = 0; |
| |
| changed = 0; |
| |
| if (strncmp (mangled, "_ada_", 5) == 0) |
| { |
| mangled += 5; |
| changed = 1; |
| } |
| |
| if (mangled[0] == '_' || mangled[0] == '<') |
| goto Suppress; |
| |
| p = strstr (mangled, "___"); |
| if (p == NULL) |
| len0 = strlen (mangled); |
| else |
| { |
| if (p[3] == 'X') |
| { |
| len0 = p - mangled; |
| changed = 1; |
| } |
| else |
| goto Suppress; |
| } |
| |
| /* Make demangled big enough for possible expansion by operator name. */ |
| grow_vect ((void **) &(demangling_buffer), |
| &demangling_buffer_size, 2 * len0 + 1, |
| sizeof (char)); |
| demangled = demangling_buffer; |
| |
| if (ISDIGIT ((unsigned char) mangled[len0 - 1])) { |
| for (i = len0 - 2; i >= 0 && ISDIGIT ((unsigned char) mangled[i]); i -= 1) |
| ; |
| if (i > 1 && mangled[i] == '_' && mangled[i - 1] == '_') |
| { |
| len0 = i - 1; |
| changed = 1; |
| } |
| else if (mangled[i] == '$') |
| { |
| 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; |
| } |
| else |
| { |
| demangled[j] = mangled[i]; |
| i += 1; j += 1; |
| } |
| } |
| demangled[j] = '\000'; |
| |
| for (i = 0; demangled[i] != '\0'; i += 1) |
| if (ISUPPER ((unsigned char)demangled[i]) || demangled[i] == ' ') |
| goto Suppress; |
| |
| 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 |
| sprintf (demangled, "<%s>", mangled); |
| |
| return demangled; |
| } |
| |
| /* 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 |
| 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; |
| { |
| |
| string decl; |
| int success = 0; |
| char *demangled = NULL; |
| int s1, s2, s3, s4; |
| s1 = work->constructor; |
| s2 = work->destructor; |
| s3 = work->static_type; |
| s4 = work->type_quals; |
| work->constructor = work->destructor = 0; |
| work->type_quals = TYPE_UNQUALIFIED; |
| work->dllimported = 0; |
| |
| if ((mangled != NULL) && (*mangled != '\0')) |
| { |
| string_init (&decl); |
| |
| /* First check to see if gnu style demangling is active and if the |
| string to be demangled contains a CPLUS_MARKER. If so, attempt to |
| recognize one of the gnu special forms rather than looking for a |
| standard prefix. In particular, don't worry about whether there |
| is a "__" string in the mangled string. Consider "_$_5__foo" for |
| example. */ |
| |
| if ((AUTO_DEMANGLING || GNU_DEMANGLING)) |
| { |
| success = gnu_special (work, &mangled, &decl); |
| } |
| if (!success) |
| { |
| success = demangle_prefix (work, &mangled, &decl); |
| } |
| if (success && (*mangled != '\0')) |
| { |
| success = demangle_signature (work, &mangled, &decl); |
| } |
| if (work->constructor == 2) |
| { |
| string_prepend (&decl, "global constructors keyed to "); |
| work->constructor = 0; |
| } |
| else if (work->destructor == 2) |
| { |
| string_prepend (&decl, "global destructors keyed to "); |
| work->destructor = 0; |
| } |
| else if (work->dllimported == 1) |
| { |
| string_prepend (&decl, "import stub for "); |
| work->dllimported = 0; |
| } |
| demangled = mop_up (work, &decl, success); |
| } |
| work->constructor = s1; |
| work->destructor = s2; |
| work->static_type = s3; |
| work->type_quals = s4; |
| return demangled; |
| } |
| |
| |
| /* Clear out and squangling related storage */ |
| static void |
| squangle_mop_up (work) |
| 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); |
| } |
| if (work -> ktypevec != NULL) |
| { |
| free ((char *) work -> ktypevec); |
| } |
| } |
| |
| |
| /* Copy the work state and storage. */ |
| |
| static void |
| work_stuff_copy_to_from (to, from) |
| struct work_stuff *to; |
| struct work_stuff *from; |
| { |
| int i; |
| |
| delete_work_stuff (to); |
| |
| /* Shallow-copy scalars. */ |
| memcpy (to, from, sizeof (*to)); |
| |
| /* Deep-copy dynamic storage. */ |
| if (from->typevec_size) |
| to->typevec |
| = (char **) xmalloc (from->typevec_size * sizeof (to->typevec[0])); |
| |
| for (i = 0; i < from->ntypes; i++) |
| { |
| int len = strlen (from->typevec[i]) + 1; |
| |
| to->typevec[i] = xmalloc (len); |
| memcpy (to->typevec[i], from->typevec[i], len); |
| } |
| |
| if (from->ksize) |
| to->ktypevec |
| = (char **) xmalloc (from->ksize * sizeof (to->ktypevec[0])); |
| |
| for (i = 0; i < from->numk; i++) |
| { |
| int len = strlen (from->ktypevec[i]) + 1; |
| |
| to->ktypevec[i] = xmalloc (len); |
| memcpy (to->ktypevec[i], from->ktypevec[i], len); |
| } |
| |
| if (from->bsize) |
| to->btypevec |
| = (char **) xmalloc (from->bsize * sizeof (to->btypevec[0])); |
| |
| for (i = 0; i < from->numb; i++) |
| { |
| int len = strlen (from->btypevec[i]) + 1; |
| |
| to->btypevec[i] = xmalloc (len); |
| memcpy (to->btypevec[i], from->btypevec[i], len); |
| } |
| |
| if (from->ntmpl_args) |
| to->tmpl_argvec |
| = xmalloc (from->ntmpl_args * sizeof (to->tmpl_argvec[0])); |
| |
| for (i = 0; i < from->ntmpl_args; i++) |
| { |
| int len = strlen (from->tmpl_argvec[i]) + 1; |
| |
| to->tmpl_argvec[i] = xmalloc (len); |
| memcpy (to->tmpl_argvec[i], from->tmpl_argvec[i], len); |
| } |
| |
| if (from->previous_argument) |
| { |
| to->previous_argument = (string*) xmalloc (sizeof (string)); |
| string_init (to->previous_argument); |
| string_appends (to->previous_argument, from->previous_argument); |
| } |
| } |
| |
| |
| /* 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; |
| { |
| /* Discard the remembered types, if any. */ |
| |
| forget_types (work); |
| if (work -> typevec != NULL) |
| { |
| free ((char *) work -> typevec); |
| work -> typevec = NULL; |
| work -> typevec_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); |
| work->tmpl_argvec = NULL; |
| } |
| if (work->previous_argument) |
| { |
| string_delete (work->previous_argument); |
| free ((char*) work->previous_argument); |
| work->previous_argument = NULL; |
| } |
| } |
| |
| |
| /* Delete all dynamic storage in work_stuff. */ |
| static void |
| delete_work_stuff (work) |
| struct work_stuff *work; |
| { |
| delete_non_B_K_work_stuff (work); |
| squangle_mop_up (work); |
| } |
| |
| |
| /* Clear out any mangled storage */ |
| |
| static char * |
| mop_up (work, declp, success) |
| struct work_stuff *work; |
| string *declp; |
| int success; |
| { |
| char *demangled = NULL; |
| |
| delete_non_B_K_work_stuff (work); |
| |
| /* If demangling was successful, ensure that the demangled string is null |
| terminated and return it. Otherwise, free the demangling decl. */ |
| |
| if (!success) |
| { |
| string_delete (declp); |
| } |
| else |
| { |
| string_appendn (declp, "", 1); |
| demangled = declp->b; |
| } |
| return (demangled); |
| } |
| |
| /* |
| |
| LOCAL FUNCTION |
| |
| demangle_signature -- demangle the signature part of a mangled name |
| |
| SYNOPSIS |
| |
| static int |
| demangle_signature (struct work_stuff *work, const char **mangled, |
| string *declp); |
| |
| DESCRIPTION |
| |
| Consume and demangle the signature portion of the mangled name. |
| |
| DECLP is the string where demangled output is being built. At |
| entry it contains the demangled root name from the mangled name |
| prefix. I.E. either a demangled operator name or the root function |
| name. In some special cases, it may contain nothing. |
| |
| *MANGLED points to the current unconsumed location in the mangled |
| name. As tokens are consumed and demangling is performed, the |
| pointer is updated to continuously point at the next token to |
| be consumed. |
| |
| Demangling GNU style mangled names is nasty because there is no |
| explicit token that marks the start of the outermost function |
| argument list. */ |
| |
| static int |
| demangle_signature (work, mangled, declp) |
| struct work_stuff *work; |
| const char **mangled; |
| string *declp; |
| { |
| int success = 1; |
| int func_done = 0; |
| int expect_func = 0; |
| int expect_return_type = 0; |
| const char *oldmangled = NULL; |
| string trawname; |
| string tname; |
| |
| while (success && (**mangled != '\0')) |
| { |
| switch (**mangled) |
| { |
| case 'Q': |
| oldmangled = *mangled; |
| success = demangle_qualified (work, mangled, declp, 1, 0); |
| if (success) |
| remember_type (work, oldmangled, *mangled - oldmangled); |
| if (AUTO_DEMANGLING || GNU_DEMANGLING) |
| expect_func = 1; |
| oldmangled = NULL; |
| break; |
| |
| case 'K': |
| oldmangled = *mangled; |
| success = demangle_qualified (work, mangled, declp, 1, 0); |
| if (AUTO_DEMANGLING || GNU_DEMANGLING) |
| { |
| expect_func = 1; |
| } |
| oldmangled = NULL; |
| break; |
| |
| case 'S': |
| /* Static member function */ |
| if (oldmangled == NULL) |
| { |
| oldmangled = *mangled; |
| } |
| (*mangled)++; |
| work -> static_type = 1; |
| break; |
| |
| case 'C': |
| case 'V': |
| case 'u': |
| work->type_quals |= code_for_qualifier (**mangled); |
| |
| /* a qualified member function */ |
| if (oldmangled == NULL) |
| oldmangled = *mangled; |
| (*mangled)++; |
| break; |
| |
| case 'L': |
| /* Local class name follows after "Lnnn_" */ |
| if (HP_DEMANGLING) |
| { |
| while (**mangled && (**mangled != '_')) |
| (*mangled)++; |
| if (!**mangled) |
| success = 0; |
| else |
| (*mangled)++; |
| } |
| else |
| success = 0; |
| break; |
| |
| case '0': case '1': case '2': case '3': case '4': |
| case '5': case '6': case '7': case '8': case '9': |
| if (oldmangled == NULL) |
| { |
| oldmangled = *mangled; |
| } |
| work->temp_start = -1; /* uppermost call to demangle_class */ |
| success = demangle_class (work, mangled, declp); |
| if (success) |
| { |
| remember_type (work, oldmangled, *mangled - oldmangled); |
| } |
| if (AUTO_DEMANGLING || GNU_DEMANGLING || EDG_DEMANGLING) |
| { |
| /* EDG and others will have the "F", so we let the loop cycle |
| if we are looking at one. */ |
| if (**mangled != 'F') |
| expect_func = 1; |
| } |
| oldmangled = NULL; |
| break; |
| |
| case 'B': |
| { |
| string s; |
| success = do_type (work, mangled, &s); |
| if (success) |
| { |
| string_append (&s, SCOPE_STRING (work)); |
| string_prepends (declp, &s); |
| } |
| oldmangled = NULL; |
| expect_func = 1; |
| } |
| break; |
| |
| case 'F': |
| /* Function */ |
| /* ARM/HP style demangling includes a specific 'F' character after |
| the class name. For GNU style, it is just implied. So we can |
| safely just consume any 'F' at this point and be compatible |
| with either style. */ |
| |
| oldmangled = NULL; |
| func_done = 1; |
| (*mangled)++; |
| |
| /* For lucid/ARM/HP style we have to forget any types we might |
| have remembered up to this point, since they were not argument |
| types. GNU style considers all types seen as available for |
| back references. See comment in demangle_args() */ |
| |
| if (LUCID_DEMANGLING || ARM_DEMANGLING || HP_DEMANGLING || EDG_DEMANGLING) |
| { |
| forget_types (work); |
| } |
| success = demangle_args (work, mangled, declp); |
| /* After picking off the function args, we expect to either |
| find the function return type (preceded by an '_') or the |
| end of the string. */ |
| if (success && (AUTO_DEMANGLING || EDG_DEMANGLING) && **mangled == '_') |
| { |
| ++(*mangled); |
| /* At this level, we do not care about the return type. */ |
| success = do_type (work, mangled, &tname); |
| string_delete (&tname); |
| } |
| |
| break; |
| |
| case 't': |
| /* G++ Template */ |
| string_init(&trawname); |
| string_init(&tname); |
| if (oldmangled == NULL) |
| { |
| oldmangled = *mangled; |
| } |
| success = demangle_template (work, mangled, &tname, |
| &trawname, 1, 1); |
| if (success) |
| { |
| remember_type (work, oldmangled, *mangled - oldmangled); |
| } |
| string_append (&tname, SCOPE_STRING (work)); |
| |
| string_prepends(declp, &tname); |
| if (work -> destructor & 1) |
| { |
| string_prepend (&trawname, "~"); |
| string_appends (declp, &trawname); |
| work->destructor -= 1; |
| } |
| if ((work->constructor & 1) || (work->destructor & 1)) |
| { |
| string_appends (declp, &trawname); |
| work->constructor -= 1; |
| } |
| string_delete(&trawname); |
| string_delete(&tname); |
| oldmangled = NULL; |
| expect_func = 1; |
| break; |
| |
| case '_': |
| if ((AUTO_DEMANGLING || GNU_DEMANGLING) && expect_return_type) |
| { |
| /* Read the return type. */ |
| string return_type; |
| string_init (&return_type); |
| |
| (*mangled)++; |
| success = do_type (work, mangled, &return_type); |
| APPEND_BLANK (&return_type); |
| |
| string_prepends (declp, &return_type); |
| string_delete (&return_type); |
| break; |
| } |
| else |
| /* At the outermost level, we cannot have a return type specified, |
| so if we run into another '_' at this point we are dealing with |
| a mangled name that is either bogus, or has been mangled by |
| some algorithm we don't know how to deal with. So just |
| reject the entire demangling. */ |
| /* However, "_nnn" is an expected suffix for alternate entry point |
| numbered nnn for a function, with HP aCC, so skip over that |
| without reporting failure. pai/1997-09-04 */ |
| if (HP_DEMANGLING) |
| { |
| (*mangled)++; |
| while (**mangled && ISDIGIT ((unsigned char)**mangled)) |
| (*mangled)++; |
| } |
| else |
| success = 0; |
| break; |
| |
| case 'H': |
| if (AUTO_DEMANGLING || GNU_DEMANGLING) |
| { |
| /* A G++ template function. Read the template arguments. */ |
| success = demangle_template (work, mangled, declp, 0, 0, |
| 0); |
| if (!(work->constructor & 1)) |
| expect_return_type = 1; |
| (*mangled)++; |
| break; |
| } |
| else |
| /* fall through */ |
| {;} |
| |
| default: |
| if (AUTO_DEMANGLING || GNU_DEMANGLING) |
| { |
| /* Assume we have stumbled onto the first outermost function |
| argument token, and start processing args. */ |
| func_done = 1; |
| success = demangle_args (work, mangled, declp); |
| } |
| else |
| { |
| /* Non-GNU demanglers use a specific token to mark the start |
| of the outermost function argument tokens. Typically 'F', |
| for ARM/HP-demangling, for example. So if we find something |
| we are not prepared for, it must be an error. */ |
| success = 0; |
| } |
| break; |
| } |
| /* |
| if (AUTO_DEMANGLING || GNU_DEMANGLING) |
| */ |
| { |
| if (success && expect_func) |
| { |
| func_done = 1; |
| if (LUCID_DEMANGLING || ARM_DEMANGLING || EDG_DEMANGLING) |
| { |
| forget_types (work); |
| } |
| success = demangle_args (work, mangled, declp); |
| /* Since template include the mangling of their return types, |
| we must set expect_func to 0 so that we don't try do |
| demangle more arguments the next time we get here. */ |
| expect_func = 0; |
| } |
| } |
| } |
| if (success && !func_done) |
| { |
| if (AUTO_DEMANGLING || GNU_DEMANGLING) |
| { |
| /* With GNU style demangling, bar__3foo is 'foo::bar(void)', and |
| bar__3fooi is 'foo::bar(int)'. We get here when we find the |
| first case, and need to ensure that the '(void)' gets added to |
| the current declp. Note that with ARM/HP, the first case |
| represents the name of a static data member 'foo::bar', |
| which is in the current declp, so we leave it alone. */ |
| success = demangle_args (work, mangled, declp); |
| } |
| } |
| if (success && PRINT_ARG_TYPES) |
| { |
| if (work->static_type) |
| string_append (declp, " static"); |
| if (work->type_quals != TYPE_UNQUALIFIED) |
| { |
| APPEND_BLANK (declp); |
| string_append (declp, qualifier_string (work->type_quals)); |
| } |
| } |
| |
| return (success); |
| } |
| |
| #if 0 |
| |
| static int |
| demangle_method_args (work, mangled, declp) |
| struct work_stuff *work; |
| const char **mangled; |
| string *declp; |
| { |
| int success = 0; |
| |
| if (work -> static_type) |
| { |
| string_append (declp, *mangled + 1); |
| *mangled += strlen (*mangled); |
| success = 1; |
| } |
| else |
| { |
| success = demangle_args (work, mangled, declp); |
| } |
| return (success); |
| } |
| |
| #endif |
| |
| static int |
| demangle_template_template_parm (work, mangled, tname) |
| struct work_stuff *work; |
| const char **mangled; |
| string *tname; |
| { |
| int i; |
| int r; |
| int need_comma = 0; |
| int success = 1; |
| string temp; |
| |
| string_append (tname, "template <"); |
| /* get size of template parameter list */ |
| if (get_count (mangled, &r)) |
| { |
| for (i = 0; i < r; i++) |
| { |
| if (need_comma) |
| { |
| string_append (tname, ", "); |
| } |
| |
| /* Z for type parameters */ |
| if (**mangled == 'Z') |
| { |
| (*mangled)++; |
| string_append (tname, "class"); |
| } |
| /* z for template parameters */ |
| else if (**mangled == 'z') |
| { |
| (*mangled)++; |
| success = |
| demangle_template_template_parm (work, mangled, tname); |
| if (!success) |
| { |
| break; |
| } |
| } |
| else |
| { |
| /* temp is initialized in do_type */ |
| success = do_type (work, mangled, &temp); |
| if (success) |
| { |
| string_appends (tname, &temp); |
| } |
| string_delete(&temp); |
| if (!success) |
| { |
| break; |
| } |
| } |
| need_comma = 1; |
| } |
| |
| } |
| if (tname->p[-1] == '>') |
| string_append (tname, " "); |
| string_append (tname, "> class"); |
| return (success); |
| } |
| |
| static int |
| demangle_expression (work, mangled, s, tk) |
| struct work_stuff *work; |
| const char** mangled; |
| string* s; |
| type_kind_t tk; |
| { |
| int need_operator = 0; |
| int success; |
| |
| success = 1; |
| string_appendn (s, "(", 1); |
| (*mangled)++; |
| while (success && **mangled != 'W' && **mangled != '\0') |
| { |
| if (need_operator) |
| { |
| size_t i; |
| size_t len; |
| |
| success = 0; |
| |
| len = strlen (*mangled); |
| |
| for (i = 0; i < ARRAY_SIZE (optable); ++i) |
| { |
| size_t l = strlen (optable[i].in); |
| |
| if (l <= len |
| && memcmp (optable[i].in, *mangled, l) == 0) |
| { |
| string_appendn (s, " ", 1); |
| string_append (s, optable[i].out); |
| string_appendn (s, " ", 1); |
| success = 1; |
| (*mangled) += l; |
| break; |
| } |
| } |
| |
| if (!success) |
| break; |
| } |
| else |
| need_operator = 1; |
| |
| success = demangle_template_value_parm (work, mangled, s, tk); |
| } |
| |
| if (**mangled != 'W') |
| success = 0; |
| else |
| { |
| string_appendn (s, ")", 1); |
| (*mangled)++; |
| } |
| |
| return success; |
| } |
| |
| static int |
| demangle_integral_value (work, mangled, s) |
| struct work_stuff *work; |
| const char** mangled; |
| string* s; |
| { |
| int success; |
| |
| if (**mangled == 'E') |
| success = demangle_expression (work, mangled, s, tk_integral); |
| else if (**mangled == 'Q' || **mangled == 'K') |
| success = demangle_qualified (work, mangled, s, 0, 1); |
| else |
| { |
| int value; |
| |
| /* By default, we let the number decide whether we shall consume an |
| underscore. */ |
| int consume_following_underscore = 0; |
| int leave_following_underscore = 0; |
| |
| 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. */ |
| consume_following_underscore = 1; |
| string_appendn (s, "-", 1); |
| (*mangled) += 2; |
| } |
| else if (**mangled == '_') |
| { |
| /* Do not consume a following underscore; |
| consume_following_underscore will consume what should be |
| consumed. */ |
| leave_following_underscore = 1; |
| } |
| |
| /* We must call consume_count if we expect to remove a trailing |
| underscore, since consume_count_with_underscores expects |
| the leading underscore (that we consumed) if it is to handle |
| multi-digit numbers. */ |
| if (consume_following_underscore) |
| value = consume_count (mangled); |
| else |
| value = consume_count_with_underscores (mangled); |
| |
| if (value != -1) |
| { |
| char buf[INTBUF_SIZE]; |
| sprintf (buf, "%d", value); |
| string_append (s, buf); |
| |
| /* Numbers not otherwise delimited, might have an underscore |
| appended as a delimeter, which we should skip. |
| |
| ??? This used to always remove a following underscore, which |
| is wrong. If other (arbitrary) cases are followed by an |
| underscore, we need to do something more radical. */ |
| |
| if ((value > 9 || consume_following_underscore) |
| && ! leave_following_underscore |
| && **mangled == '_') |
| (*mangled)++; |
| |
| /* All is well. */ |
| success = 1; |
| } |
| } |
| |
| return success; |
| } |
| |
| /* Demangle the real value in MANGLED. */ |
| |
| static int |
| demangle_real_value (work, mangled, s) |
| struct work_stuff *work; |
| const char **mangled; |
| string* s; |
| { |
| if (**mangled == 'E') |
| return demangle_expression (work, mangled, s, tk_real); |
| |
| if (**mangled == 'm') |
| { |
| string_appendn (s, "-", 1); |
| (*mangled)++; |
| } |
| while (ISDIGIT ((unsigned char)**mangled)) |
| { |
| string_appendn (s, *mangled, 1); |
| (*mangled)++; |
| } |
| if (**mangled == '.') /* fraction */ |
| { |
| string_appendn (s, ".", 1); |
| (*mangled)++; |
| while (ISDIGIT ((unsigned char)**mangled)) |
| { |
| string_appendn (s, *mangled, 1); |
| (*mangled)++; |
| } |
| } |
| if (**mangled == 'e') /* exponent */ |
| { |
| string_appendn (s, "e", 1); |
| (*mangled)++; |
| while (ISDIGIT ((unsigned char)**mangled)) |
| { |
| string_appendn (s, *mangled, 1); |
| (*mangled)++; |
| } |
| } |
| |
| return 1; |
| } |
| |
| static int |
| demangle_template_value_parm (work, mangled, s, tk) |
| struct work_stuff *work; |
| const char **mangled; |
| string* s; |
| type_kind_t tk; |
| { |
| int success = 1; |
| |
| if (**mangled == 'Y') |
| { |
| /* The next argument is a template parameter. */ |
| int idx; |
| |
| (*mangled)++; |
| idx = consume_count_with_underscores (mangled); |
| if (idx == -1 |
| || (work->tmpl_argvec && idx >= work->ntmpl_args) |
| || consume_count_with_underscores (mangled) == -1) |
| return -1; |
| if (work->tmpl_argvec) |
| string_append (s, work->tmpl_argvec[idx]); |
| else |
| string_append_template_idx (s, idx); |
| } |
| else if (tk == tk_integral) |
| success = demangle_integral_value (work, mangled, s); |
| else if (tk == tk_char) |
| { |
| char tmp[2]; |
| int val; |
| if (**mangled == 'm') |
| { |
| string_appendn (s, "-", 1); |
| (*mangled)++; |
| } |
| string_appendn (s, "'", 1); |
| val = consume_count(mangled); |
| if (val <= 0) |
| success = 0; |
| else |
| { |
| tmp[0] = (char)val; |
| tmp[1] = '\0'; |
| string_appendn (s, &tmp[0], 1); |
| string_appendn (s, "'", 1); |
| } |
| } |
| else if (tk == tk_bool) |
| { |
| int val = consume_count (mangled); |
| if (val == 0) |
| string_appendn (s, "false", 5); |
| else if (val == 1) |
| string_appendn (s, "true", 4); |
| else |
| success = 0; |
| } |
| else if (tk == tk_real) |
| success = demangle_real_value (work, mangled, s); |
| else if (tk == tk_pointer || tk == tk_reference) |
| { |
| if (**mangled == 'Q') |
| success = demangle_qualified (work, mangled, s, |
| /*isfuncname=*/0, |
| /*append=*/1); |
| else |
| { |
| int symbol_len = consume_count (mangled); |
| if (symbol_len == -1) |
| return -1; |
| if (symbol_len == 0) |
| string_appendn (s, "0", 1); |
| else |
| { |
| char *p = xmalloc (symbol_len + 1), *q; |
| strncpy (p, *mangled, symbol_len); |
| p [symbol_len] = '\0'; |
| /* We use cplus_demangle here, rather than |
| internal_cplus_demangle, because the name of the entity |
| mangled here does not make use of any of the squangling |
| or type-code information we have built up thus far; it is |
| mangled independently. */ |
| q = cplus_demangle (p, work->options); |
| if (tk == tk_pointer) |
| string_appendn (s, "&", 1); |
| /* FIXME: Pointer-to-member constants should get a |
| qualifying class name here. */ |
| if (q) |
| { |
| string_append (s, q); |
| free (q); |
| } |
| else |
| string_append (s, p); |
| free (p); |
| } |
| *mangled += symbol_len; |
| } |
| } |
| |
| return success; |
| } |
| |
| /* Demangle the template name in MANGLED. The full name of the |
| template (e.g., S<int>) is placed in TNAME. The name without the |
| template parameters (e.g. S) is placed in TRAWNAME if TRAWNAME is |
| non-NULL. If IS_TYPE is nonzero, this template is a type template, |
| not a function template. If both IS_TYPE and REMEMBER are nonzero, |
| the template is remembered in the list of back-referenceable |
| 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; |
| { |
| 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)++; |
| (*mangled)++; |
| |
| idx = consume_count_with_underscores (mangled); |
| if (idx == -1 |
| || (work->tmpl_argvec && idx >= work->ntmpl_args) |
| || consume_count_with_underscores (mangled) == -1) |
| return (0); |
| |
| if (work->tmpl_argvec) |
| { |
| string_append (tname, work->tmpl_argvec[idx]); |
| if (trawname) |
| string_append (trawname, work->tmpl_argvec[idx]); |
| } |
| else |
| { |
| string_append_template_idx (tname, idx); |
| if (trawname) |
| string_append_template_idx (trawname, idx); |
| } |
| } |
| else |
| { |
| if ((r = consume_count (mangled)) <= 0 |
| || (int) strlen (*mangled) < r) |
| { |
| return (0); |
| } |
| is_java_array = (work -> options & DMGL_JAVA) |
| && strncmp (*mangled, "JArray1Z", 8) == 0; |
| if (! is_java_array) |
| { |
| string_appendn (tname, *mangled, r); |
| } |
| if (trawname) |
| string_appendn (trawname, *mangled, r); |
| *mangled += r; |
| } |
| } |
| if (!is_java_array) |
| string_append (tname, "<"); |
| /* get size of template parameter list */ |
| if (!get_count (mangled, &r)) |
| { |
| return (0); |
| } |
| if (!is_type) |
| { |
| /* Create an array for saving the template argument values. */ |
| work->tmpl_argvec = (char**) xmalloc (r * sizeof (char *)); |
| work->ntmpl_args = r; |
| for (i = 0; i < r; i++) |
| work->tmpl_argvec[i] = 0; |
| } |
| for (i = 0; i < r; i++) |
| { |
| if (need_comma) |
| { |
| string_append (tname, ", "); |
| } |
| /* Z for type parameters */ |
| if (**mangled == 'Z') |
| { |
| (*mangled)++; |
| /* temp is initialized in do_type */ |
| success = do_type (work, mangled, &temp); |
| if (success) |
| { |
| string_appends (tname, &temp); |
| |
| if (!is_type) |
| { |
| /* Save the template argument. */ |
| int len = temp.p - temp.b; |
| work->tmpl_argvec[i] = xmalloc (len + 1); |
| memcpy (work->tmpl_argvec[i], temp.b, len); |
| work->tmpl_argvec[i][len] = '\0'; |
| } |
| } |
| string_delete(&temp); |
| if (!success) |
| { |
| break; |
| } |
| } |
| /* z for template parameters */ |
| else if (**mangled == 'z') |
| { |
| int r2; |
| (*mangled)++; |
| success = demangle_template_template_parm (work, mangled, tname); |
| |
| if (success |
| && (r2 = consume_count (mangled)) > 0 |
| && (int) strlen (*mangled) >= r2) |
| { |
| string_append (tname, " "); |
| string_appendn (tname, *mangled, r2); |
| if (!is_type) |
| { |
| /* Save the template argument. */ |
| int len = r2; |
| work->tmpl_argvec[i] = xmalloc (len + 1); |
| memcpy (work->tmpl_argvec[i], *mangled, len); |
| work->tmpl_argvec[i][len] = '\0'; |
| } |
| *mangled += r2; |
| } |
| if (!success) |
| { |
| break; |
| } |
| } |
| else |
| { |
| string param; |
| string* s; |
| |
| /* otherwise, value parameter */ |
| |
| /* temp is initialized in do_type */ |
| success = do_type (work, mangled, &temp); |
| string_delete(&temp); |
| if (!success) |
| break; |
| |
| if (!is_type) |
| { |
| s = ¶m; |
| string_init (s); |
| } |
| else |
| s = tname; |
| |
| success = demangle_template_value_parm (work, mangled, s, |
| (type_kind_t) success); |
| |
| if (!success) |
| { |
| if (!is_type) |
| string_delete (s); |
| success = 0; |
| break; |
| } |
| |
| if (!is_type) |
| { |
| int len = s->p - s->b; |
| work->tmpl_argvec[i] = xmalloc (len + 1); |
| memcpy (work->tmpl_argvec[i], s->b, len); |
| work->tmpl_argvec[i][len] = '\0'; |
| |
| string_appends (tname, s); |
| string_delete (s); |
| } |
| } |
| need_comma = 1; |
| } |
| if (is_java_array) |
| { |
| string_append (tname, "[]"); |
| } |
| else |
| { |
| if (tname->p[-1] == '>') |
| string_append (tname, " "); |
| string_append (tname, ">"); |
| } |
| |
| if (is_type && remember) |
| remember_Btype (work, tname->b, LEN_STRING (tname), bindex); |
| |
| /* |
| if (work -> static_type) |
| { |
| string_append (declp, *mangled + 1); |
| *mangled += strlen (*mangled); |
| success = 1; |
| } |
| else |
| { |
| success = demangle_args (work, mangled, declp); |
| } |
| } |
| */ |
| return (success); |
| } |
| |
| static int |
| arm_pt (work, mangled, n, anchor, args) |
| struct work_stuff *work; |
| const char *mangled; |
| int n; |
| const char **anchor, **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 */ |
| if ((ARM_DEMANGLING || HP_DEMANGLING) && (*anchor = mystrstr (mangled, "__pt__"))) |
| { |
| int len; |
| *args = *anchor + 6; |
| len = consume_count (args); |
| if (len == -1) |
| return 0; |
| if (*args + len == mangled + n && **args == '_') |
| { |
| ++*args; |
| return 1; |
| } |
| } |
| if (AUTO_DEMANGLING || EDG_DEMANGLING) |
| { |
| if ((*anchor = mystrstr (mangled, "__tm__")) |
| || (*anchor = mystrstr (mangled, "__ps__")) |
| || (*anchor = mystrstr (mangled, "__pt__"))) |
| { |
| int len; |
| *args = *anchor + 6; |
| len = consume_count (args); |
| if (len == -1) |
| return 0; |
| if (*args + len == mangled + n && **args == '_') |
| { |
| ++*args; |
| return 1; |
| } |
| } |
| else if ((*anchor = mystrstr (mangled, "__S"))) |
| { |
| int len; |
| *args = *anchor + 3; |
| len = consume_count (args); |
| if (len == -1) |
| return 0; |
| if (*args + len == mangled + n && **args == '_') |
| { |
| ++*args; |
| return 1; |
| } |
| } |
| } |
| |
| return 0; |
| } |
| |
| static void |
| demangle_arm_hp_template (work, mangled, n, declp) |
| struct work_stuff *work; |
| const char **mangled; |
| int n; |
| string *declp; |
| { |
| const char *p; |
| const char *args; |
| const char *e = *mangled + n; |
| string arg; |
| |
| /* Check for HP aCC template spec: classXt1t2 where t1, t2 are |
| template args */ |
| if (HP_DEMANGLING && ((*mangled)[n] == 'X')) |
| { |
| char *start_spec_args = NULL; |
| |
| /* First check for and omit template specialization pseudo-arguments, |
| such as in "Spec<#1,#1.*>" */ |
| start_spec_args = strchr (*mangled, '<'); |
| if (start_spec_args && (start_spec_args - *mangled < n)) |
| string_appendn (declp, *mangled, start_spec_args - *mangled); |
| else |
| string_appendn (declp, *mangled, n); |
| (*mangled) += n + 1; |
| string_init (&arg); |
| if (work->temp_start == -1) /* non-recursive call */ |
| work->temp_start = declp->p - declp->b; |
| string_append (declp, "<"); |
| while (1) |
| { |
| string_clear (&arg); |
| switch (**mangled) |
| { |
| case 'T': |
| /* 'T' signals a type parameter */ |
| (*mangled)++; |
| if (!do_type (work, mangled, &arg)) |
| goto hpacc_template_args_done; |
| break; |
| |
| case 'U': |
| case 'S': |
| /* 'U' or 'S' signals an integral value */ |
| if (!do_hpacc_template_const_value (work, mangled, &arg)) |
| goto hpacc_template_args_done; |
| break; |
| |
| case 'A': |
| /* 'A' signals a named constant expression (literal) */ |
| if (!do_hpacc_template_literal (work, mangled, &arg)) |
| goto hpacc_template_args_done; |
| break; |
| |
| default: |
| /* Today, 1997-09-03, we have only the above types |
| of template parameters */ |
| /* FIXME: maybe this should fail and return null */ |
| goto hpacc_template_args_done; |
| } |
| string_appends (declp, &arg); |
| /* Check if we're at the end of template args. |
| 0 if at end of static member of template class, |
| _ if done with template args for a function */ |
| if ((**mangled == '\000') || (**mangled == '_')) |
| break; |
| else |
| string_append (declp, ","); |
| } |
| hpacc_template_args_done: |
| string_append (declp, ">"); |
| string_delete (&arg); |
| if (**mangled == '_') |
| (*mangled)++; |
| return; |
| } |
| /* ARM template? (Also handles HP cfront extensions) */ |
| else if (arm_pt (work, *mangled, n, &p, &args)) |
| { |
| 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; |
| string_append (declp, "<"); |
| /* should do error checking here */ |
| while (args < e) { |
| string_clear (&arg); |
| |
| /* Check for type or literal here */ |
| switch (*args) |
| { |
| /* HP cfront extensions to ARM for template args */ |
| /* spec: Xt1Lv1 where t1 is a type, v1 is a literal value */ |
| /* FIXME: We handle only numeric literals for HP cfront */ |
| case 'X': |
| /* A typed constant value follows */ |
| args++; |
| if (!do_type (work, &args, &type_str)) |
| goto cfront_template_args_done; |
| string_append (&arg, "("); |
| string_appends (&arg, &type_str); |
| string_append (&arg, ")"); |
| if (*args != 'L') |
| goto cfront_template_args_done; |
| args++; |
| /* Now snarf a literal value following 'L' */ |
| if (!snarf_numeric_literal (&args, &arg)) |
| goto cfront_template_args_done; |
| break; |
| |
| case 'L': |
| /* Snarf a literal following 'L' */ |
| args++; |
| if (!snarf_numeric_literal (&args, &arg)) |
| goto cfront_template_args_done; |
| break; |
| default: |
| /* Not handling other HP cfront stuff */ |
| if (!do_type (work, &args, &arg)) |
| goto cfront_template_args_done; |
| } |
| string_appends (declp, &arg); |
| string_append (declp, ","); |
| } |
| cfront_template_args_done: |
| string_delete (&arg); |
| if (args >= e) |
| --declp->p; /* remove extra comma */ |
| string_append (declp, ">"); |
| } |
| else if (n>10 && strncmp (*mangled, "_GLOBAL_", 8) == 0 |
| && (*mangled)[9] == 'N' |
| && (*mangled)[8] == (*mangled)[10] |
| && strchr (cplus_markers, (*mangled)[8])) |
| { |
| /* A member of the anonymous namespace. */ |
| string_append (declp, "{anonymous}"); |
| } |
| else |
| { |
| if (work->temp_start == -1) /* non-recursive call only */ |
| work->temp_start = 0; /* disable in recursive calls */ |
| string_appendn (declp, *mangled, n); |
| } |
| *mangled += n; |
| } |
| |
| /* Extract a class name, possibly a template with arguments, from the |
| mangled string; qualifiers, local class indicators, etc. have |
| already been dealt with */ |
| |
| static int |
| demangle_class_name (work, mangled, declp) |
| struct work_stuff *work; |
| const char **mangled; |
| string *declp; |
| { |
| int n; |
| int success = 0; |
| |
| n = consume_count (mangled); |
| if (n == -1) |
| return 0; |
| if ((int) strlen (*mangled) >= n) |
| { |
| demangle_arm_hp_template (work, mangled, n, declp); |
| success = 1; |
| } |
| |
| return (success); |
| } |
| |
| /* |
| |
| LOCAL FUNCTION |
| |
| demangle_class -- demangle a mangled class sequence |
| |
| SYNOPSIS |
| |
| static int |
| demangle_class (struct work_stuff *work, const char **mangled, |
| strint *declp) |
| |
| DESCRIPTION |
| |
| DECLP points to the buffer into which demangling is being done. |
| |
| *MANGLED points to the current token to be demangled. On input, |
| it points to a mangled class (I.E. "3foo", "13verylongclass", etc.) |
| On exit, it points to the next token after the mangled class on |
| success, or the first unconsumed token on failure. |
| |
| If the CONSTRUCTOR or DESTRUCTOR flags are set in WORK, then |
| we are demangling a constructor or destructor. In this case |
| we prepend "class::class" or "class::~class" to DECLP. |
| |
| Otherwise, we prepend "class::" to the current DECLP. |
| |
| Reset the constructor/destructor flags once they have been |
| "consumed". This allows demangle_class to be called later during |
| the same demangling, to do normal class demangling. |
| |
| Returns 1 if demangling is successful, 0 otherwise. |
| |
| */ |
| |
| static int |
| demangle_class (work, mangled, declp) |
| struct work_stuff *work; |
| const char **mangled; |
| string *declp; |
| { |
| int success = 0; |
| int btype; |
| string class_name; |
| char *save_class_name_end = 0; |
| |
| string_init (&class_name); |
| btype = register_Btype (work); |
| if (demangle_class_name (work, mangled, &class_name)) |
| { |
| save_class_name_end = class_name.p; |
| if ((work->constructor & 1) || (work->destructor & 1)) |
| { |
| /* adjust so we don't include template args */ |
| if (work->temp_start && (work->temp_start != -1)) |
| { |
| class_name.p = class_name.b + work->temp_start; |
| } |
| string_prepends (declp, &class_name); |
| if (work -> destructor & 1) |
| { |
| string_prepend (declp, "~"); |
| work -> destructor -= 1; |
| } |
| else |
| { |
| work -> constructor -= 1; |
| } |
| } |
| class_name.p = save_class_name_end; |
| remember_Ktype (work, class_name.b, LEN_STRING(&class_name)); |
| remember_Btype (work, class_name.b, LEN_STRING(&class_name), btype); |
| string_prepend (declp, SCOPE_STRING (work)); |
| string_prepends (declp, &class_name); |
| success = 1; |
| } |
| string_delete (&class_name); |
| return (success); |
| } |
| |
| |
| /* Called when there's a "__" in the mangled name, with `scan' pointing to |
| the rightmost guess. |
| |
| Find the correct "__"-sequence where the function name ends and the |
| signature starts, which is ambiguous with GNU mangling. |
| Call demangle_signature here, so we can make sure we found the right |
| one; *mangled will be consumed so caller will not make further calls to |
| demangle_signature. */ |
| |
| static int |
| iterate_demangle_function (work, mangled, declp, scan) |
| struct work_stuff *work; |
| const char **mangled; |
| string *declp; |
| const char *scan; |
| { |
| const char *mangle_init = *mangled; |
| int success = 0; |
| string decl_init; |
| struct work_stuff work_init; |
| |
| if (*(scan + 2) == '\0') |
| return 0; |
| |
| /* Do not iterate for some demangling modes, or if there's only one |
| "__"-sequence. This is the normal case. */ |
| if (ARM_DEMANGLING || LUCID_DEMANGLING || HP_DEMANGLING || EDG_DEMANGLING |
| || mystrstr (scan + 2, "__") == NULL) |
| { |
| demangle_function_name (work, mangled, declp, scan); |
| return 1; |
| } |
| |
| /* Save state so we can restart if the guess at the correct "__" was |
| wrong. */ |
| string_init (&decl_init); |
| string_appends (&decl_init, declp); |
| memset (&work_init, 0, sizeof work_init); |
| work_stuff_copy_to_from (&work_init, work); |
| |
| /* Iterate over occurrences of __, allowing names and types to have a |
| "__" sequence in them. We must start with the first (not the last) |
| occurrence, since "__" most often occur between independent mangled |
| parts, hence starting at the last occurence inside a signature |
| might get us a "successful" demangling of the signature. */ |
| |
| while (scan[2]) |
| { |
| 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; |
| string_clear (declp); |
| string_appends (declp, &decl_init); |
| work_stuff_copy_to_from (work, &work_init); |
| |
| /* Leave this underscore-sequence. */ |
| scan += 2; |
| |
| /* Scan for the next "__" sequence. */ |
| while (*scan && (scan[0] != '_' || scan[1] != '_')) |
| scan++; |
| |
| /* Move to last "__" in this sequence. */ |
| while (*scan && *scan == '_') |
| scan++; |
| scan -= 2; |
| } |
| |
| /* Delete saved state. */ |
| delete_work_stuff (&work_init); |
| string_delete (&decl_init); |
| |
| return success; |
| } |
| |
| /* |
| |
| LOCAL FUNCTION |
| |
| demangle_prefix -- consume the mangled name prefix and find signature |
| |
| SYNOPSIS |
| |
| static int |
| demangle_prefix (struct work_stuff *work, const char **mangled, |
| string *declp); |
| |
| DESCRIPTION |
| |
| Consume and demangle the prefix of the mangled name. |
| While processing the function name root, arrange to call |
| demangle_signature if the root is ambiguous. |
| |
| DECLP points to the string buffer into which demangled output is |
| placed. On entry, the buffer is empty. On exit it contains |
| the root function name, the demangled operator name, or in some |
| special cases either nothing or the completely demangled result. |
| |
| MANGLED points to the current pointer into the mangled name. As each |
| token of the mangled name is consumed, it is updated. Upon entry |
| the current mangled name pointer points to the first character of |
| the mangled name. Upon exit, it should point to the first character |
| of the signature if demangling was successful, or to the first |
| unconsumed character if demangling of the prefix was unsuccessful. |
| |
| Returns 1 on success, 0 otherwise. |
| */ |
| |
| static int |
| demangle_prefix (work, mangled, declp) |
| struct work_stuff *work; |
| const char **mangled; |
| string *declp; |
| { |
| int success = 1; |
| const char *scan; |
| int i; |
| |
| if (strlen(*mangled) > 6 |
| && (strncmp(*mangled, "_imp__", 6) == 0 |
| || strncmp(*mangled, "__imp_", 6) == 0)) |
| { |
| /* it's a symbol imported from a PE dynamic library. Check for both |
| new style prefix _imp__ and legacy __imp_ used by older versions |
| of dlltool. */ |
| (*mangled) += 6; |
| work->dllimported = 1; |
| } |
| else if (strlen(*mangled) >= 11 && strncmp(*mangled, "_GLOBAL_", 8) == 0) |
| { |
| char *marker = strchr (cplus_markers, (*mangled)[8]); |
| if (marker != NULL && *marker == (*mangled)[10]) |
| { |
| if ((*mangled)[9] == 'D') |
| { |
| /* it's a GNU global destructor to be executed at program exit */ |
| (*mangled) += 11; |
| work->destructor = 2; |
| if (gnu_special (work, mangled, declp)) |
| return success; |
| } |
| else if ((*mangled)[9] == 'I') |
| { |
| /* it's a GNU global constructor to be executed at program init */ |
| (*mangled) += 11; |
| work->constructor = 2; |
| if (gnu_special (work, mangled, declp)) |
| return success; |
| } |
| } |
| } |
| else if ((ARM_DEMANGLING || HP_DEMANGLING || EDG_DEMANGLING) && strncmp(*mangled, "__std__", 7) == 0) |
| { |
| /* it's a ARM global destructor to be executed at program exit */ |
| (*mangled) += 7; |
| work->destructor = 2; |
| } |
| else if ((ARM_DEMANGLING || HP_DEMANGLING || EDG_DEMANGLING) && strncmp(*mangled, "__sti__", 7) == 0) |
| { |
| /* it's a ARM global constructor to be executed at program initial */ |
| (*mangled) += 7; |
| work->constructor = 2; |
| } |
| |
| /* This block of code is a reduction in strength time optimization |
| of: |
| scan = mystrstr (*mangled, "__"); */ |
| |
| { |
| scan = *mangled; |
| |
| do { |
| scan = strchr (scan, '_'); |
| } while (scan != NULL && *++scan != '_'); |
| |
| if (scan != NULL) --scan; |
| } |
| |
| if (scan != NULL) |
| { |
| /* We found a sequence of two or more '_', ensure that we start at |
| the last pair in the sequence. */ |
| i = strspn (scan, "_"); |
| if (i > 2) |
| { |
| scan += (i - 2); |
| } |
| } |
| |
| if (scan == NULL) |
| { |
| success = 0; |
| } |
| else if (work -> static_type) |
| { |
| if (!ISDIGIT ((unsigned char)scan[0]) && (scan[0] != 't')) |
| { |
| success = 0; |
| } |
| } |
| else if ((scan == *mangled) |
| && (ISDIGIT ((unsigned char)scan[2]) || (scan[2] == 'Q') |
| || (scan[2] == 't') || (scan[2] == 'K') || (scan[2] == 'H'))) |
| { |
| /* The ARM says nothing about the mangling of local variables. |
| But cfront mangles local variables by prepending __<nesting_level> |
| to them. As an extension to ARM demangling we handle this case. */ |
| if ((LUCID_DEMANGLING || ARM_DEMANGLING || HP_DEMANGLING) |
| && ISDIGIT ((unsigned char)scan[2])) |
| { |
| *mangled = scan + 2; |
| consume_count (mangled); |
| string_append (declp, *mangled); |
| *mangled += strlen (*mangled); |
| success = 1; |
| } |
| else |
| { |
| /* A GNU style constructor starts with __[0-9Qt]. But cfront uses |
| names like __Q2_3foo3bar for nested type names. So don't accept |
| this style of constructor for cfront demangling. A GNU |
| style member-template constructor starts with 'H'. */ |
| if (!(LUCID_DEMANGLING || ARM_DEMANGLING || HP_DEMANGLING || EDG_DEMANGLING)) |
| work -> constructor += 1; |
| *mangled = scan + 2; |
| } |
| } |
| else if (ARM_DEMANGLING && scan[2] == 'p' && scan[3] == 't') |
| { |
| /* Cfront-style parameterized type. Handled later as a signature. */ |
| success = 1; |
| |
| /* ARM template? */ |
| demangle_arm_hp_template (work, mangled, strlen (*mangled), declp); |
| } |
| else if (EDG_DEMANGLING && ((scan[2] == 't' && scan[3] == 'm') |
| || (scan[2] == 'p' && scan[3] == 's') |
| || (scan[2] == 'p' && scan[3] == 't'))) |
| { |
| /* EDG-style parameterized type. Handled later as a signature. */ |
| success = 1; |
| |
| /* EDG template? */ |
| demangle_arm_hp_template (work, mangled, strlen (*mangled), declp); |
| } |
| else if ((scan == *mangled) && !ISDIGIT ((unsigned char)scan[2]) |
| && (scan[2] != 't')) |
| { |
| /* Mangled name starts with "__". Skip over any leading '_' characters, |
| then find the next "__" that separates the prefix from the signature. |
| */ |
| if (!(ARM_DEMANGLING || LUCID_DEMANGLING || HP_DEMANGLING || EDG_DEMANGLING) |
| || (arm_special (mangled, declp) == 0)) |
| { |
| while (*scan == '_') |
| { |
| scan++; |
| } |
| if ((scan = mystrstr (scan, "__")) == NULL || (*(scan + 2) == '\0')) |
| { |
| /* No separator (I.E. "__not_mangled"), or empty signature |
| (I.E. "__not_mangled_either__") */ |
| success = 0; |
| } |
| else |
| return iterate_demangle_function (work, mangled, declp, scan); |
| } |
| } |
| else if (*(scan + 2) != '\0') |
| { |
| /* Mangled name does not start with "__" but does have one somewhere |
| in there with non empty stuff after it. Looks like a global |
| function name. Iterate over all "__":s until the right |
| one is found. */ |
| return iterate_demangle_function (work, mangled, declp, scan); |
| } |
| else |
| { |
| /* Doesn't look like a mangled name */ |
| success = 0; |
| } |
| |
| if (!success && (work->constructor == 2 || work->destructor == 2)) |
| { |
| string_append (declp, *mangled); |
| *mangled += strlen (*mangled); |
| success = 1; |
| } |
| return (success); |
| } |
| |
| /* |
| |
| LOCAL FUNCTION |
| |
| gnu_special -- special handling of gnu mangled strings |
| |
| SYNOPSIS |
| |
| static int |
| gnu_special (struct work_stuff *work, const char **mangled, |
| string *declp); |
| |
| |
| DESCRIPTION |
| |
| Process some special GNU style mangling forms that don't fit |
| the normal pattern. For example: |
| |
| _$_3foo (destructor for class foo) |
| _vt$foo (foo virtual table) |
| _vt$foo$bar (foo::bar virtual table) |
| __vt_foo (foo virtual table, new style with thunks) |
| _3foo$varname (static data member) |
| _Q22rs2tu$vw (static data member) |
| __t6vector1Zii (constructor with template) |
| __thunk_4__$_7ostream (virtual function thunk) |
| */ |
| |
| static int |
| gnu_special (work, mangled, declp) |
| struct work_stuff *work; |
| const char **mangled; |
| string *declp; |
| { |
| int n; |
| int success = 1; |
| const char *p; |
| |
| if ((*mangled)[0] == '_' |
| && strchr (cplus_markers, (*mangled)[1]) != NULL |
| && (*mangled)[2] == '_') |
| { |
| /* Found a GNU style destructor, get past "_<CPLUS_MARKER>_" */ |
| (*mangled) += 3; |
| work -> destructor += 1; |
| } |
| else if ((*mangled)[0] == '_' |
| && (((*mangled)[1] == '_' |
| && (*mangled)[2] == 'v' |
| && (*mangled)[3] == 't' |
| && (*mangled)[4] == '_') |
| || ((*mangled)[1] == 'v' |
| && (*mangled)[2] == 't' |
| && strchr (cplus_markers, (*mangled)[3]) != NULL))) |
| { |
| /* Found a GNU style virtual table, get past "_vt<CPLUS_MARKER>" |
| and create the decl. Note that we consume the entire mangled |
| input string, which means that demangle_signature has no work |
| to do. */ |
| if ((*mangled)[2] == 'v') |
| (*mangled) += 5; /* New style, with thunks: "__vt_" */ |
| else |
| (*mangled) += 4; /* Old style, no thunks: "_vt<CPLUS_MARKER>" */ |
| while (**mangled != '\0') |
| { |
| switch (**mangled) |
| { |
| case 'Q': |
| case 'K': |
| success = demangle_qualified (work, mangled, declp, 0, 1); |
| break; |
| case 't': |
| success = demangle_template (work, mangled, declp, 0, 1, |
| 1); |
| break; |
| default: |
| if (ISDIGIT((unsigned char)*mangled[0])) |
| { |
| n = consume_count(mangled); |
| /* We may be seeing a too-large size, or else a |
| ".<digits>" indicating a static local symbol. In |
| any case, declare victory and move on; *don't* try |
| to use n to allocate. */ |
| if (n > (int) strlen (*mangled)) |
| { |
| success = 1; |
| break; |
| } |
| } |
| else |
| { |
| n = strcspn (*mangled, cplus_markers); |
| } |
| string_appendn (declp, *mangled, n); |
| (*mangled) += n; |
| } |
| |
| p = strpbrk (*mangled, cplus_markers); |
| if (success && ((p == NULL) || (p == *mangled))) |
| { |
| if (p != NULL) |
| { |
| string_append (declp, SCOPE_STRING (work)); |
| (*mangled)++; |
| } |
| } |
| else |
| { |
| success = 0; |
| break; |
| } |
| } |
| if (success) |
| string_append (declp, " virtual table"); |
| } |
| else if ((*mangled)[0] == '_' |
| && (strchr("0123456789Qt", (*mangled)[1]) != NULL) |
| && (p = strpbrk (*mangled, cplus_markers)) != NULL) |
| { |
| /* static data member, "_3foo$varname" for example */ |
| (*mangled)++; |
| switch (**mangled) |
| { |
| case 'Q': |
| case 'K': |
| success = demangle_qualified (work, mangled, declp, 0, 1); |
| break; |
| case 't': |
| success = demangle_template (work, mangled, declp, 0, 1, 1); |
| break; |
| default: |
| n = consume_count (mangled); |
| if (n < 0 || n > (long) strlen (*mangled)) |
| { |
| success = 0; |
| break; |
| } |
| |
| if (n > 10 && strncmp (*mangled, "_GLOBAL_", 8) == 0 |
| && (*mangled)[9] == 'N' |
| && (*mangled)[8] == (*mangled)[10] |
| && strchr (cplus_markers, (*mangled)[8])) |
| { |
| /* A member of the anonymous namespace. There's information |
| about what identifier or filename it was keyed to, but |
| it's just there to make the mangled name unique; we just |
| step over it. */ |
| string_append (declp, "{anonymous}"); |
| (*mangled) += n; |
| |
| /* Now p points to the marker before the N, so we need to |
| update it to the first marker after what we consumed. */ |
| p = strpbrk (*mangled, cplus_markers); |
| break; |
| } |
| |
| string_appendn (declp, *mangled, n); |
| (*mangled) += n; |
| } |
| if (success && (p == *mangled)) |
| { |
| /* Consumed everything up to the cplus_marker, append the |
| variable name. */ |
| (*mangled)++; |
| string_append (declp, SCOPE_STRING (work)); |
| n = strlen (*mangled); |
| string_appendn (declp, *mangled, n); |
| (*mangled) += n; |
| } |
| else |
| { |
| success = 0; |
| } |
| } |
| else if (strncmp (*mangled, "__thunk_", 8) == 0) |
| { |
| int delta; |
| |
| (*mangled) += 8; |
| delta = consume_count (mangled); |
| if (delta == -1) |
| success = 0; |
| else |
| { |
| char *method = internal_cplus_demangle (work, ++*mangled); |
| |
| if (method) |
| { |
| char buf[50]; |
| sprintf (buf, "virtual function thunk (delta:%d) for ", -delta); |
| string_append (declp, buf); |
| string_append (declp, method); |
| free (method); |
| n = strlen (*mangled); |
| (*mangled) += n; |
| } |
| else |
| { |
| success = 0; |
| } |
| } |
| } |
| else if (strncmp (*mangled, "__t", 3) == 0 |
| && ((*mangled)[3] == 'i' || (*mangled)[3] == 'f')) |
| { |
| p = (*mangled)[3] == 'i' ? " type_info node" : " type_info function"; |
| (*mangled) += 4; |
| switch (**mangled) |
| { |
| case 'Q': |
| case 'K': |
| success = demangle_qualified (work, mangled, declp, 0, 1); |
| break; |
| case 't': |
| success = demangle_template (work, mangled, declp, 0, 1, 1); |
| break; |
| default: |
| success = do_type (work, mangled, declp); |
| break; |
| } |
| if (success && **mangled != '\0') |
| success = 0; |
| if (success) |
| string_append (declp, p); |
| } |
| else |
| { |
| success = 0; |
| } |
| return (success); |
| } |
| |
| static void |
| recursively_demangle(work, mangled, result, namelength) |
| 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); |
| memcpy (recurse, *mangled, namelength); |
| recurse[namelength] = '\000'; |
| |
| recurse_dem = cplus_demangle (recurse, work->options); |
| |
| if (recurse_dem) |
| { |
| string_append (result, recurse_dem); |
| free (recurse_dem); |
| } |
| else |
| { |
| string_appendn (result, *mangled, namelength); |
| } |
| free (recurse); |
| *mangled += namelength; |
| } |
| |
| /* |
| |
| LOCAL FUNCTION |
| |
| arm_special -- special handling of ARM/lucid mangled strings |
| |
| SYNOPSIS |
| |
| static int |
| arm_special (const char **mangled, |
| string *declp); |
| |
| |
| DESCRIPTION |
| |
| Process some special ARM style mangling forms that don't fit |
| the normal pattern. For example: |
| |