diff options
Diffstat (limited to 'contrib/binutils/libiberty/cp-demangle.c')
| -rw-r--r-- | contrib/binutils/libiberty/cp-demangle.c | 102 |
1 files changed, 89 insertions, 13 deletions
diff --git a/contrib/binutils/libiberty/cp-demangle.c b/contrib/binutils/libiberty/cp-demangle.c index 136dc72..eece533 100644 --- a/contrib/binutils/libiberty/cp-demangle.c +++ b/contrib/binutils/libiberty/cp-demangle.c @@ -1,5 +1,5 @@ /* Demangler for IA64 / g++ V3 ABI. - Copyright (C) 2000, 2001 Free Software Foundation, Inc. + Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc. Written by Alex Samuel <samuel@codesourcery.com>. This file is part of GNU CC. @@ -9,6 +9,15 @@ 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 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 General 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.) + This program 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 @@ -42,6 +51,8 @@ #include <string.h> #endif +#include <ctype.h> + #include "ansidecl.h" #include "libiberty.h" #include "dyn-string.h" @@ -889,7 +900,7 @@ static status_t demangle_number_literally static status_t demangle_identifier PARAMS ((demangling_t, int, dyn_string_t)); static status_t demangle_operator_name - PARAMS ((demangling_t, int, int *)); + PARAMS ((demangling_t, int, int *, int *)); static status_t demangle_nv_offset PARAMS ((demangling_t)); static status_t demangle_v_offset @@ -1316,7 +1327,7 @@ demangle_unqualified_name (dm, suppress_return_type) if (peek == 'c' && peek_char_next (dm) == 'v') *suppress_return_type = 1; - RETURN_IF_ERROR (demangle_operator_name (dm, 0, &num_args)); + RETURN_IF_ERROR (demangle_operator_name (dm, 0, &num_args, NULL)); } else if (peek == 'C' || peek == 'D') { @@ -1457,9 +1468,45 @@ demangle_identifier (dm, length, identifier) while (length-- > 0) { + int ch; if (end_of_name_p (dm)) return "Unexpected end of name in <identifier>."; - if (!dyn_string_append_char (identifier, next_char (dm))) + ch = next_char (dm); + + /* Handle extended Unicode characters. We encode them as __U{hex}_, + where {hex} omits leading 0's. For instance, '$' is encoded as + "__U24_". */ + if (ch == '_' + && peek_char (dm) == '_' + && peek_char_next (dm) == 'U') + { + char buf[10]; + int pos = 0; + advance_char (dm); advance_char (dm); length -= 2; + while (length-- > 0) + { + ch = next_char (dm); + if (!isxdigit (ch)) + break; + buf[pos++] = ch; + } + if (ch != '_' || length < 0) + return STATUS_ERROR; + if (pos == 0) + { + /* __U_ just means __U. */ + if (!dyn_string_append_cstr (identifier, "__U")) + return STATUS_ALLOCATION_FAILED; + continue; + } + else + { + buf[pos] = '\0'; + ch = strtol (buf, 0, 16); + } + } + + if (!dyn_string_append_char (identifier, ch)) return STATUS_ALLOCATION_FAILED; } @@ -1492,7 +1539,9 @@ demangle_identifier (dm, length, identifier) /* Demangles and emits an <operator-name>. If SHORT_NAME is non-zero, the short form is emitted; otherwise the full source form (`operator +' etc.) is emitted. *NUM_ARGS is set to the number of - operands that the operator takes. + operands that the operator takes. If TYPE_ARG is non-NULL, + *TYPE_ARG is set to 1 if the first argument is a type and 0 + otherwise. <operator-name> ::= nw # new @@ -1542,15 +1591,17 @@ demangle_identifier (dm, length, identifier) ::= cl # () ::= ix # [] ::= qu # ? - ::= sz # sizeof + ::= st # sizeof (a type) + ::= sz # sizeof (an expression) ::= cv <type> # cast ::= v [0-9] <source-name> # vendor extended operator */ static status_t -demangle_operator_name (dm, short_name, num_args) +demangle_operator_name (dm, short_name, num_args, type_arg) demangling_t dm; int short_name; int *num_args; + int *type_arg; { struct operator_code { @@ -1624,6 +1675,10 @@ demangle_operator_name (dm, short_name, num_args) DEMANGLE_TRACE ("operator-name", dm); + /* Assume the first argument is not a type. */ + if (type_arg) + *type_arg = 0; + /* Is this a vendor-extended operator? */ if (c0 == 'v' && IS_DIGIT (c1)) { @@ -1643,6 +1698,16 @@ demangle_operator_name (dm, short_name, num_args) return STATUS_OK; } + /* Is it the sizeof variant that takes a type? */ + if (c0 == 's' && c1 == 't') + { + RETURN_IF_ERROR (result_add (dm, " sizeof")); + *num_args = 1; + if (type_arg) + *type_arg = 1; + return STATUS_OK; + } + /* Perform a binary search for the operator code. */ while (1) { @@ -3145,6 +3210,7 @@ demangle_expression (dm) /* An operator expression. */ { int num_args; + int type_arg; status_t status = STATUS_OK; dyn_string_t operator_name; @@ -3152,7 +3218,8 @@ demangle_expression (dm) operations in infix notation, capture the operator name first. */ RETURN_IF_ERROR (result_push (dm)); - RETURN_IF_ERROR (demangle_operator_name (dm, 1, &num_args)); + RETURN_IF_ERROR (demangle_operator_name (dm, 1, &num_args, + &type_arg)); operator_name = (dyn_string_t) result_pop (dm); /* If it's binary, do an operand first. */ @@ -3173,7 +3240,10 @@ demangle_expression (dm) /* Emit its second (if binary) or only (if unary) operand. */ RETURN_IF_ERROR (result_add_char (dm, '(')); - RETURN_IF_ERROR (demangle_expression (dm)); + if (type_arg) + RETURN_IF_ERROR (demangle_type (dm)); + else + RETURN_IF_ERROR (demangle_expression (dm)); RETURN_IF_ERROR (result_add_char (dm, ')')); /* The ternary operator takes a third operand. */ @@ -3568,7 +3638,7 @@ cp_demangle_type (type_name, result) return status; } -#ifdef IN_LIBGCC2 +#if defined(IN_LIBGCC2) || defined(IN_GLIBCPP_V3) extern char *__cxa_demangle PARAMS ((const char *, char *, size_t *, int *)); /* ia64 ABI-mandated entry point in the C++ runtime library for performing @@ -3676,7 +3746,7 @@ __cxa_demangle (mangled_name, output_buffer, length, status) } } -#else /* !IN_LIBGCC2 */ +#else /* ! (IN_LIBGCC2 || IN_GLIBCPP_V3) */ /* Variant entry point for integration with the existing cplus-dem demangler. Attempts to demangle MANGLED. If the demangling @@ -3837,13 +3907,18 @@ java_demangle_v3 (mangled) free (cplus_demangled); - return_value = dyn_string_release (demangled); + if (demangled) + return_value = dyn_string_release (demangled); + else + return_value = NULL; + return return_value; } -#endif /* IN_LIBGCC2 */ +#endif /* IN_LIBGCC2 || IN_GLIBCPP_V3 */ +#ifndef IN_GLIBCPP_V3 /* Demangle NAME in the G++ V3 ABI demangling style, and return either zero, indicating that some error occurred, or a demangling_t holding the results. */ @@ -3923,6 +3998,7 @@ is_gnu_v3_mangled_dtor (name) else return 0; } +#endif /* IN_GLIBCPP_V3 */ #ifdef STANDALONE_DEMANGLER |
