X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=libiberty%2Fcp-demangle.c;h=bd64bef8cf7ac95bede52d4690dcf3d791638f49;hb=8b8c7c9f49992750f66f81b4601d593a3858d98c;hp=27cc323f2a24c03c584e8ec74961d9d92e5e49b0;hpb=67bf71fedef9e62264b5b3b3bf1b2e225560f253;p=deliverable%2Fbinutils-gdb.git diff --git a/libiberty/cp-demangle.c b/libiberty/cp-demangle.c index 27cc323f2a..bd64bef8cf 100644 --- a/libiberty/cp-demangle.c +++ b/libiberty/cp-demangle.c @@ -1,5 +1,5 @@ /* Demangler for g++ V3 ABI. - Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 + Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2014 Free Software Foundation, Inc. Written by Ian Lance Taylor . @@ -93,7 +93,11 @@ CP_DEMANGLE_DEBUG If defined, turns on debugging mode, which prints information on stdout about the mangled string. This is not generally useful. -*/ + + CHECK_DEMANGLER + If defined, additional sanity checks will be performed. It will + cause some slowdown, but will allow to catch out-of-bound access + errors earlier. This macro is intended for testing and debugging. */ #if defined (_AIX) && !defined (__GNUC__) #pragma alloca @@ -275,6 +279,41 @@ struct d_growable_string int allocation_failure; }; +/* Stack of components, innermost first, used to avoid loops. */ + +struct d_component_stack +{ + /* This component. */ + const struct demangle_component *dc; + /* This component's parent. */ + const struct d_component_stack *parent; +}; + +/* A demangle component and some scope captured when it was first + traversed. */ + +struct d_saved_scope +{ + /* The component whose scope this is. */ + const struct demangle_component *container; + /* The list of templates, if any, that was current when this + scope was captured. */ + struct d_print_template *templates; +}; + +/* Checkpoint structure to allow backtracking. This holds copies + of the fields of struct d_info that need to be restored + if a trial parse needs to be backtracked over. */ + +struct d_info_checkpoint +{ + const char *n; + int next_comp; + int next_sub; + int did_subs; + int expansion; +}; + enum { D_PRINT_BUFFER_LENGTH = 256 }; struct d_print_info { @@ -302,6 +341,22 @@ struct d_print_info int pack_index; /* Number of d_print_flush calls so far. */ unsigned long int flush_count; + /* Stack of components, innermost first, used to avoid loops. */ + const struct d_component_stack *component_stack; + /* Array of saved scopes for evaluating substitutions. */ + struct d_saved_scope *saved_scopes; + /* Index of the next unused saved scope in the above array. */ + int next_saved_scope; + /* Number of saved scopes in the above array. */ + int num_saved_scopes; + /* Array of templates for saving into scopes. */ + struct d_print_template *copy_templates; + /* Index of the next unused copy template in the above array. */ + int next_copy_template; + /* Number of copy templates in the above array. */ + int num_copy_templates; + /* The nearest enclosing template, if any. */ + const struct demangle_component *current_template; }; #ifdef CP_DEMANGLE_DEBUG @@ -368,7 +423,7 @@ static struct demangle_component *d_source_name (struct d_info *); static long d_number (struct d_info *); -static struct demangle_component *d_identifier (struct d_info *, int); +static struct demangle_component *d_identifier (struct d_info *, long); static struct demangle_component *d_operator_name (struct d_info *); @@ -381,6 +436,9 @@ static struct demangle_component *d_ctor_dtor_name (struct d_info *); static struct demangle_component ** d_cv_qualifiers (struct d_info *, struct demangle_component **, int); +static struct demangle_component * +d_ref_qualifier (struct d_info *, struct demangle_component *); + static struct demangle_component * d_function_type (struct d_info *); @@ -425,6 +483,10 @@ d_add_substitution (struct d_info *, struct demangle_component *); static struct demangle_component *d_substitution (struct d_info *, int); +static void d_checkpoint (struct d_info *, struct d_info_checkpoint *); + +static void d_backtrack (struct d_info *, struct d_info_checkpoint *); + static void d_growable_string_init (struct d_growable_string *, size_t); static inline void @@ -437,7 +499,8 @@ static void d_growable_string_callback_adapter (const char *, size_t, void *); static void -d_print_init (struct d_print_info *, demangle_callbackref, void *); +d_print_init (struct d_print_info *, demangle_callbackref, void *, + const struct demangle_component *); static inline void d_print_error (struct d_print_info *); @@ -479,8 +542,10 @@ d_print_array_type (struct d_print_info *, int, static void d_print_expr_op (struct d_print_info *, int, const struct demangle_component *); -static void -d_print_cast (struct d_print_info *, int, const struct demangle_component *); +static void d_print_cast (struct d_print_info *, int, + const struct demangle_component *); +static void d_print_conversion (struct d_print_info *, int, + const struct demangle_component *); static int d_demangle_callback (const char *, int, demangle_callbackref, void *); @@ -508,9 +573,17 @@ d_dump (struct demangle_component *dc, int indent) case DEMANGLE_COMPONENT_NAME: printf ("name '%.*s'\n", dc->u.s_name.len, dc->u.s_name.s); return; + case DEMANGLE_COMPONENT_TAGGED_NAME: + printf ("tagged name\n"); + d_dump (dc->u.s_binary.left, indent + 2); + d_dump (dc->u.s_binary.right, indent + 2); + return; case DEMANGLE_COMPONENT_TEMPLATE_PARAM: printf ("template parameter %ld\n", dc->u.s_number.number); return; + case DEMANGLE_COMPONENT_FUNCTION_PARAM: + printf ("function parameter %ld\n", dc->u.s_number.number); + return; case DEMANGLE_COMPONENT_CTOR: printf ("constructor %d\n", (int) dc->u.s_ctor.kind); d_dump (dc->u.s_ctor.name, indent + 2); @@ -609,6 +682,15 @@ d_dump (struct demangle_component *dc, int indent) case DEMANGLE_COMPONENT_CONST_THIS: printf ("const this\n"); break; + case DEMANGLE_COMPONENT_REFERENCE_THIS: + printf ("reference this\n"); + break; + case DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS: + printf ("rvalue reference this\n"); + break; + case DEMANGLE_COMPONENT_TRANSACTION_SAFE: + printf ("transaction_safe this\n"); + break; case DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL: printf ("vendor type qualifier\n"); break; @@ -640,7 +722,9 @@ d_dump (struct demangle_component *dc, int indent) printf ("pointer to member type\n"); break; case DEMANGLE_COMPONENT_FIXED_TYPE: - printf ("fixed-point type\n"); + printf ("fixed-point type, accum? %d, sat? %d\n", + dc->u.s_fixed.accum, dc->u.s_fixed.sat); + d_dump (dc->u.s_fixed.length, indent + 2); break; case DEMANGLE_COMPONENT_ARGLIST: printf ("argument list\n"); @@ -654,6 +738,9 @@ d_dump (struct demangle_component *dc, int indent) case DEMANGLE_COMPONENT_CAST: printf ("cast\n"); break; + case DEMANGLE_COMPONENT_CONVERSION: + printf ("conversion operator\n"); + break; case DEMANGLE_COMPONENT_NULLARY: printf ("nullary operator\n"); break; @@ -690,12 +777,29 @@ d_dump (struct demangle_component *dc, int indent) case DEMANGLE_COMPONENT_CHARACTER: printf ("character '%c'\n", dc->u.s_character.character); return; + case DEMANGLE_COMPONENT_NUMBER: + printf ("number %ld\n", dc->u.s_number.number); + return; case DEMANGLE_COMPONENT_DECLTYPE: printf ("decltype\n"); break; case DEMANGLE_COMPONENT_PACK_EXPANSION: printf ("pack expansion\n"); break; + case DEMANGLE_COMPONENT_TLS_INIT: + printf ("tls init function\n"); + break; + case DEMANGLE_COMPONENT_TLS_WRAPPER: + printf ("tls wrapper function\n"); + break; + case DEMANGLE_COMPONENT_DEFAULT_ARG: + printf ("default argument %d\n", dc->u.s_unary_num.num); + d_dump (dc->u.s_unary_num.sub, indent+2); + return; + case DEMANGLE_COMPONENT_LAMBDA: + printf ("lambda %d\n", dc->u.s_unary_num.num); + d_dump (dc->u.s_unary_num.sub, indent+2); + return; } d_dump (d_left (dc), indent + 2); @@ -803,6 +907,7 @@ d_make_comp (struct d_info *di, enum demangle_component_type type, case DEMANGLE_COMPONENT_QUAL_NAME: case DEMANGLE_COMPONENT_LOCAL_NAME: case DEMANGLE_COMPONENT_TYPED_NAME: + case DEMANGLE_COMPONENT_TAGGED_NAME: case DEMANGLE_COMPONENT_TEMPLATE: case DEMANGLE_COMPONENT_CONSTRUCTION_VTABLE: case DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL: @@ -832,6 +937,8 @@ d_make_comp (struct d_info *di, enum demangle_component_type type, case DEMANGLE_COMPONENT_COVARIANT_THUNK: case DEMANGLE_COMPONENT_JAVA_CLASS: case DEMANGLE_COMPONENT_GUARD: + case DEMANGLE_COMPONENT_TLS_INIT: + case DEMANGLE_COMPONENT_TLS_WRAPPER: case DEMANGLE_COMPONENT_REFTEMP: case DEMANGLE_COMPONENT_HIDDEN_ALIAS: case DEMANGLE_COMPONENT_TRANSACTION_CLONE: @@ -843,6 +950,7 @@ d_make_comp (struct d_info *di, enum demangle_component_type type, case DEMANGLE_COMPONENT_IMAGINARY: case DEMANGLE_COMPONENT_VENDOR_TYPE: case DEMANGLE_COMPONENT_CAST: + case DEMANGLE_COMPONENT_CONVERSION: case DEMANGLE_COMPONENT_JAVA_RESOURCE: case DEMANGLE_COMPONENT_DECLTYPE: case DEMANGLE_COMPONENT_PACK_EXPANSION: @@ -871,6 +979,9 @@ d_make_comp (struct d_info *di, enum demangle_component_type type, case DEMANGLE_COMPONENT_RESTRICT_THIS: case DEMANGLE_COMPONENT_VOLATILE_THIS: case DEMANGLE_COMPONENT_CONST_THIS: + case DEMANGLE_COMPONENT_TRANSACTION_SAFE: + case DEMANGLE_COMPONENT_REFERENCE_THIS: + case DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS: case DEMANGLE_COMPONENT_ARGLIST: case DEMANGLE_COMPONENT_TEMPLATE_ARGLIST: break; @@ -1109,6 +1220,9 @@ has_return_type (struct demangle_component *dc) case DEMANGLE_COMPONENT_RESTRICT_THIS: case DEMANGLE_COMPONENT_VOLATILE_THIS: case DEMANGLE_COMPONENT_CONST_THIS: + case DEMANGLE_COMPONENT_REFERENCE_THIS: + case DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS: + case DEMANGLE_COMPONENT_TRANSACTION_SAFE: return has_return_type (d_left (dc)); } } @@ -1130,7 +1244,7 @@ is_ctor_dtor_or_conversion (struct demangle_component *dc) return is_ctor_dtor_or_conversion (d_right (dc)); case DEMANGLE_COMPONENT_CTOR: case DEMANGLE_COMPONENT_DTOR: - case DEMANGLE_COMPONENT_CAST: + case DEMANGLE_COMPONENT_CONVERSION: return 1; } } @@ -1164,7 +1278,10 @@ d_encoding (struct d_info *di, int top_level) v2 demangler without DMGL_PARAMS. */ while (dc->type == DEMANGLE_COMPONENT_RESTRICT_THIS || dc->type == DEMANGLE_COMPONENT_VOLATILE_THIS - || dc->type == DEMANGLE_COMPONENT_CONST_THIS) + || dc->type == DEMANGLE_COMPONENT_CONST_THIS + || dc->type == DEMANGLE_COMPONENT_TRANSACTION_SAFE + || dc->type == DEMANGLE_COMPONENT_REFERENCE_THIS + || dc->type == DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS) dc = d_left (dc); /* If the top level is a DEMANGLE_COMPONENT_LOCAL_NAME, then @@ -1178,7 +1295,10 @@ d_encoding (struct d_info *di, int top_level) dcr = d_right (dc); while (dcr->type == DEMANGLE_COMPONENT_RESTRICT_THIS || dcr->type == DEMANGLE_COMPONENT_VOLATILE_THIS - || dcr->type == DEMANGLE_COMPONENT_CONST_THIS) + || dcr->type == DEMANGLE_COMPONENT_CONST_THIS + || dcr->type == DEMANGLE_COMPONENT_TRANSACTION_SAFE + || dcr->type == DEMANGLE_COMPONENT_REFERENCE_THIS + || dcr->type == DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS) dcr = d_left (dcr); dc->u.s_binary.right = dcr; } @@ -1194,6 +1314,31 @@ d_encoding (struct d_info *di, int top_level) } } +/* ::= B */ + +static struct demangle_component * +d_abi_tags (struct d_info *di, struct demangle_component *dc) +{ + struct demangle_component *hold_last_name; + char peek; + + /* Preserve the last name, so the ABI tag doesn't clobber it. */ + hold_last_name = di->last_name; + + while (peek = d_peek_char (di), + peek == 'B') + { + struct demangle_component *tag; + d_advance (di, 1); + tag = d_source_name (di); + dc = d_make_comp (di, DEMANGLE_COMPONENT_TAGGED_NAME, dc, tag); + } + + di->last_name = hold_last_name; + + return dc; +} + /* ::= ::= ::= @@ -1220,7 +1365,6 @@ d_name (struct d_info *di) case 'Z': return d_local_name (di); - case 'L': case 'U': return d_unqualified_name (di); @@ -1267,6 +1411,7 @@ d_name (struct d_info *di) return dc; } + case 'L': default: dc = d_unqualified_name (di); if (d_peek_char (di) == 'I') @@ -1283,8 +1428,8 @@ d_name (struct d_info *di) } } -/* ::= N [] E - ::= N [] E +/* ::= N [] [] E + ::= N [] [] E */ static struct demangle_component * @@ -1292,6 +1437,7 @@ d_nested_name (struct d_info *di) { struct demangle_component *ret; struct demangle_component **pret; + struct demangle_component *rqual; if (! d_check_char (di, 'N')) return NULL; @@ -1300,10 +1446,20 @@ d_nested_name (struct d_info *di) if (pret == NULL) return NULL; + /* Parse the ref-qualifier now and then attach it + once we have something to attach it to. */ + rqual = d_ref_qualifier (di, NULL); + *pret = d_prefix (di); if (*pret == NULL) return NULL; + if (rqual) + { + d_left (rqual) = ret; + ret = rqual; + } + if (! d_check_char (di, 'E')) return NULL; @@ -1408,15 +1564,14 @@ d_prefix (struct d_info *di) static struct demangle_component * d_unqualified_name (struct d_info *di) { + struct demangle_component *ret; char peek; peek = d_peek_char (di); if (IS_DIGIT (peek)) - return d_source_name (di); + ret = d_source_name (di); else if (IS_LOWER (peek)) { - struct demangle_component *ret; - ret = d_operator_name (di); if (ret != NULL && ret->type == DEMANGLE_COMPONENT_OPERATOR) { @@ -1425,14 +1580,11 @@ d_unqualified_name (struct d_info *di) ret = d_make_comp (di, DEMANGLE_COMPONENT_UNARY, ret, d_source_name (di)); } - return ret; } else if (peek == 'C' || peek == 'D') - return d_ctor_dtor_name (di); + ret = d_ctor_dtor_name (di); else if (peek == 'L') { - struct demangle_component * ret; - d_advance (di, 1); ret = d_source_name (di); @@ -1440,22 +1592,27 @@ d_unqualified_name (struct d_info *di) return NULL; if (! d_discriminator (di)) return NULL; - return ret; } else if (peek == 'U') { switch (d_peek_next_char (di)) { case 'l': - return d_lambda (di); + ret = d_lambda (di); + break; case 't': - return d_unnamed_type (di); + ret = d_unnamed_type (di); + break; default: return NULL; } } else return NULL; + + if (d_peek_char (di) == 'B') + ret = d_abi_tags (di, ret); + return ret; } /* ::= <(positive length) number> */ @@ -1524,7 +1681,7 @@ d_number_component (struct d_info *di) /* identifier ::= <(unqualified source code identifier)> */ static struct demangle_component * -d_identifier (struct d_info *di, int len) +d_identifier (struct d_info *di, long len) { const char *name; @@ -1545,7 +1702,7 @@ d_identifier (struct d_info *di, int len) /* Look for something which looks like a gcc encoding of an anonymous namespace, and replace it with a more user friendly name. */ - if (len >= (int) ANONYMOUS_NAMESPACE_PREFIX_LEN + 2 + if (len >= (long) ANONYMOUS_NAMESPACE_PREFIX_LEN + 2 && memcmp (name, ANONYMOUS_NAMESPACE_PREFIX, ANONYMOUS_NAMESPACE_PREFIX_LEN) == 0) { @@ -1582,11 +1739,13 @@ const struct demangle_operator_info cplus_demangle_operators[] = { "an", NL ("&"), 2 }, { "at", NL ("alignof "), 1 }, { "az", NL ("alignof "), 1 }, + { "cc", NL ("const_cast"), 2 }, { "cl", NL ("()"), 2 }, { "cm", NL (","), 2 }, { "co", NL ("~"), 1 }, { "dV", NL ("/="), 2 }, { "da", NL ("delete[] "), 1 }, + { "dc", NL ("dynamic_cast"), 2 }, { "de", NL ("*"), 1 }, { "dl", NL ("delete "), 1 }, { "ds", NL (".*"), 2 }, @@ -1626,8 +1785,10 @@ const struct demangle_operator_info cplus_demangle_operators[] = { "qu", NL ("?"), 3 }, { "rM", NL ("%="), 2 }, { "rS", NL (">>="), 2 }, + { "rc", NL ("reinterpret_cast"), 2 }, { "rm", NL ("%"), 2 }, { "rs", NL (">>"), 2 }, + { "sc", NL ("static_cast"), 2 }, { "st", NL ("sizeof "), 1 }, { "sz", NL ("sizeof "), 1 }, { "tr", NL ("throw"), 0 }, @@ -1646,8 +1807,20 @@ d_operator_name (struct d_info *di) if (c1 == 'v' && IS_DIGIT (c2)) return d_make_extended_operator (di, c2 - '0', d_source_name (di)); else if (c1 == 'c' && c2 == 'v') - return d_make_comp (di, DEMANGLE_COMPONENT_CAST, - cplus_demangle_type (di), NULL); + { + struct demangle_component *type; + int was_conversion = di->is_conversion; + struct demangle_component *res; + + di->is_conversion = ! di->is_expression; + type = cplus_demangle_type (di); + if (di->is_conversion) + res = d_make_comp (di, DEMANGLE_COMPONENT_CONVERSION, type, NULL); + else + res = d_make_comp (di, DEMANGLE_COMPONENT_CAST, type, NULL); + di->is_conversion = was_conversion; + return res; + } else { /* LOW is the inclusive lower bound. */ @@ -1863,6 +2036,14 @@ d_special_name (struct d_info *di) return d_make_comp (di, DEMANGLE_COMPONENT_JAVA_CLASS, cplus_demangle_type (di), NULL); + case 'H': + return d_make_comp (di, DEMANGLE_COMPONENT_TLS_INIT, + d_name (di), NULL); + + case 'W': + return d_make_comp (di, DEMANGLE_COMPONENT_TLS_WRAPPER, + d_name (di), NULL); + default: return NULL; } @@ -1985,6 +2166,9 @@ d_ctor_dtor_name (struct d_info *di) case '3': kind = gnu_v3_complete_object_allocating_ctor; break; + case '4': + kind = gnu_v3_unified_ctor; + break; case '5': kind = gnu_v3_object_ctor_group; break; @@ -2010,6 +2194,10 @@ d_ctor_dtor_name (struct d_info *di) case '2': kind = gnu_v3_base_object_dtor; break; + /* digit '3' is not used */ + case '4': + kind = gnu_v3_unified_dtor; + break; case '5': kind = gnu_v3_object_dtor_group; break; @@ -2111,15 +2299,36 @@ cplus_demangle_type (struct d_info *di) names. */ peek = d_peek_char (di); - if (peek == 'r' || peek == 'V' || peek == 'K') + if (peek == 'r' || peek == 'V' || peek == 'K' + || (peek == 'D' && d_peek_next_char (di) == 'x')) { struct demangle_component **pret; pret = d_cv_qualifiers (di, &ret, 0); if (pret == NULL) return NULL; - *pret = cplus_demangle_type (di); - if (! *pret || ! d_add_substitution (di, ret)) + if (d_peek_char (di) == 'F') + { + /* cv-qualifiers before a function type apply to 'this', + so avoid adding the unqualified function type to + the substitution list. */ + *pret = d_function_type (di); + } + else + *pret = cplus_demangle_type (di); + if (!*pret) + return NULL; + if ((*pret)->type == DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS + || (*pret)->type == DEMANGLE_COMPONENT_REFERENCE_THIS) + { + /* Move the ref-qualifier outside the cv-qualifiers so that + they are printed in the right order. */ + struct demangle_component *fn = d_left (*pret); + d_left (*pret) = ret; + ret = *pret; + *pret = fn; + } + if (! d_add_substitution (di, ret)) return NULL; return ret; } @@ -2168,13 +2377,61 @@ cplus_demangle_type (struct d_info *di) ret = d_template_param (di); if (d_peek_char (di) == 'I') { - /* This is . The - part is a substitution + /* This may be . + If this is the type for a conversion operator, we can + have a here only by following + a derivation like this: + + + -> + -> + -> + -> + -> + -> cv + -> cv + + where the is followed by another. + Otherwise, we must have a derivation like this: + + + -> + -> + -> + -> + -> + -> cv + -> cv + + where we need to leave the to be processed + by d_prefix (following the ). + + The part is a substitution candidate. */ - if (! d_add_substitution (di, ret)) - return NULL; - ret = d_make_comp (di, DEMANGLE_COMPONENT_TEMPLATE, ret, - d_template_args (di)); + if (! di->is_conversion) + { + if (! d_add_substitution (di, ret)) + return NULL; + ret = d_make_comp (di, DEMANGLE_COMPONENT_TEMPLATE, ret, + d_template_args (di)); + } + else + { + struct demangle_component *args; + struct d_info_checkpoint checkpoint; + + d_checkpoint (di, &checkpoint); + args = d_template_args (di); + if (d_peek_char (di) == 'I') + { + if (! d_add_substitution (di, ret)) + return NULL; + ret = d_make_comp (di, DEMANGLE_COMPONENT_TEMPLATE, ret, + args); + } + else + d_backtrack (di, &checkpoint); + } } break; @@ -2244,6 +2501,9 @@ cplus_demangle_type (struct d_info *di) case 'U': d_advance (di, 1); ret = d_source_name (di); + if (d_peek_char (di) == 'I') + ret = d_make_comp (di, DEMANGLE_COMPONENT_TEMPLATE, ret, + d_template_args (di)); ret = d_make_comp (di, DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL, cplus_demangle_type (di), ret); break; @@ -2351,7 +2611,7 @@ cplus_demangle_type (struct d_info *di) return ret; } -/* ::= [r] [V] [K] */ +/* ::= [r] [V] [K] [Dx] */ static struct demangle_component ** d_cv_qualifiers (struct d_info *di, @@ -2362,7 +2622,8 @@ d_cv_qualifiers (struct d_info *di, pstart = pret; peek = d_peek_char (di); - while (peek == 'r' || peek == 'V' || peek == 'K') + while (peek == 'r' || peek == 'V' || peek == 'K' + || (peek == 'D' && d_peek_next_char (di) == 'x')) { enum demangle_component_type t; @@ -2381,13 +2642,19 @@ d_cv_qualifiers (struct d_info *di, : DEMANGLE_COMPONENT_VOLATILE); di->expansion += sizeof "volatile"; } - else + else if (peek == 'K') { t = (member_fn ? DEMANGLE_COMPONENT_CONST_THIS : DEMANGLE_COMPONENT_CONST); di->expansion += sizeof "const"; } + else + { + t = DEMANGLE_COMPONENT_TRANSACTION_SAFE; + di->expansion += sizeof "transaction_safe"; + d_advance (di, 1); + } *pret = d_make_comp (di, t, NULL, NULL); if (*pret == NULL) @@ -2422,7 +2689,38 @@ d_cv_qualifiers (struct d_info *di, return pret; } -/* ::= F [Y] E */ +/* ::= R + ::= O */ + +static struct demangle_component * +d_ref_qualifier (struct d_info *di, struct demangle_component *sub) +{ + struct demangle_component *ret = sub; + char peek; + + peek = d_peek_char (di); + if (peek == 'R' || peek == 'O') + { + enum demangle_component_type t; + if (peek == 'R') + { + t = DEMANGLE_COMPONENT_REFERENCE_THIS; + di->expansion += sizeof "&"; + } + else + { + t = DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS; + di->expansion += sizeof "&&"; + } + d_advance (di, 1); + + ret = d_make_comp (di, t, ret, NULL); + } + + return ret; +} + +/* ::= F [Y] [] [T] E */ static struct demangle_component * d_function_type (struct d_info *di) @@ -2438,6 +2736,8 @@ d_function_type (struct d_info *di) d_advance (di, 1); } ret = d_bare_function_type (di, 1); + ret = d_ref_qualifier (di, ret); + if (! d_check_char (di, 'E')) return NULL; return ret; @@ -2460,6 +2760,10 @@ d_parmlist (struct d_info *di) char peek = d_peek_char (di); if (peek == '\0' || peek == 'E' || peek == '.') break; + if ((peek == 'R' || peek == 'O') + && d_peek_next_char (di) == 'E') + /* Function ref-qualifier, not a ref prefix for a parameter type. */ + break; type = cplus_demangle_type (di); if (type == NULL) return NULL; @@ -2610,41 +2914,32 @@ d_pointer_to_member_type (struct d_info *di) { struct demangle_component *cl; struct demangle_component *mem; - struct demangle_component **pmem; if (! d_check_char (di, 'M')) return NULL; cl = cplus_demangle_type (di); - - /* The ABI specifies that any type can be a substitution source, and - that M is followed by two types, and that when a CV-qualified - type is seen both the base type and the CV-qualified types are - substitution sources. The ABI also specifies that for a pointer - to a CV-qualified member function, the qualifiers are attached to - the second type. Given the grammar, a plain reading of the ABI - suggests that both the CV-qualified member function and the - non-qualified member function are substitution sources. However, - g++ does not work that way. g++ treats only the CV-qualified - member function as a substitution source. FIXME. So to work - with g++, we need to pull off the CV-qualifiers here, in order to - avoid calling add_substitution() in cplus_demangle_type(). But - for a CV-qualified member which is not a function, g++ does - follow the ABI, so we need to handle that case here by calling - d_add_substitution ourselves. */ - - pmem = d_cv_qualifiers (di, &mem, 1); - if (pmem == NULL) - return NULL; - *pmem = cplus_demangle_type (di); - if (*pmem == NULL) + if (cl == NULL) return NULL; - if (pmem != &mem && (*pmem)->type != DEMANGLE_COMPONENT_FUNCTION_TYPE) - { - if (! d_add_substitution (di, mem)) - return NULL; - } + /* The ABI says, "The type of a non-static member function is considered + to be different, for the purposes of substitution, from the type of a + namespace-scope or static member function whose type appears + similar. The types of two non-static member functions are considered + to be different, for the purposes of substitution, if the functions + are members of different classes. In other words, for the purposes of + substitution, the class of which the function is a member is + considered part of the type of function." + + For a pointer to member function, this call to cplus_demangle_type + will end up adding a (possibly qualified) non-member function type to + the substitution table, which is not correct; however, the member + function type will never be used in a substitution, so putting the + wrong type in the substitution table is harmless. */ + + mem = cplus_demangle_type (di); + if (mem == NULL) + return NULL; return d_make_comp (di, DEMANGLE_COMPONENT_PTRMEM_TYPE, cl, mem); } @@ -2809,6 +3104,18 @@ d_exprlist (struct d_info *di, char terminator) return list; } +/* Returns nonzero iff OP is an operator for a C++ cast: const_cast, + dynamic_cast, static_cast or reinterpret_cast. */ + +static int +op_is_new_cast (struct demangle_component *op) +{ + const char *code = op->u.s_operator.op->code; + return (code[1] == 'c' + && (code[0] == 's' || code[0] == 'd' + || code[0] == 'c' || code[0] == 'r')); +} + /* ::= <(unary) operator-name> ::= <(binary) operator-name> ::= <(trinary) operator-name> @@ -2820,8 +3127,8 @@ d_exprlist (struct d_info *di, char terminator) ::= */ -static struct demangle_component * -d_expression (struct d_info *di) +static inline struct demangle_component * +d_expression_1 (struct d_info *di) { char peek; @@ -2849,7 +3156,7 @@ d_expression (struct d_info *di) { d_advance (di, 2); return d_make_comp (di, DEMANGLE_COMPONENT_PACK_EXPANSION, - d_expression (di), NULL); + d_expression_1 (di), NULL); } else if (peek == 'f' && d_peek_next_char (di) == 'p') { @@ -2897,6 +3204,8 @@ d_expression (struct d_info *di) struct demangle_component *type = NULL; if (peek == 't') type = cplus_demangle_type (di); + if (!d_peek_next_char (di)) + return NULL; d_advance (di, 2); return d_make_comp (di, DEMANGLE_COMPONENT_INITIALIZER_LIST, type, d_exprlist (di, 'E')); @@ -2954,7 +3263,7 @@ d_expression (struct d_info *di) && d_check_char (di, '_')) operand = d_exprlist (di, 'E'); else - operand = d_expression (di); + operand = d_expression_1 (di); if (suffix) /* Indicate the suffix variant for d_print_comp. */ @@ -2971,7 +3280,12 @@ d_expression (struct d_info *di) struct demangle_component *left; struct demangle_component *right; - left = d_expression (di); + if (code == NULL) + return NULL; + if (op_is_new_cast (op)) + left = cplus_demangle_type (di); + else + left = d_expression_1 (di); if (!strcmp (code, "cl")) right = d_exprlist (di, 'E'); else if (!strcmp (code, "dt") || !strcmp (code, "pt")) @@ -2982,7 +3296,7 @@ d_expression (struct d_info *di) right, d_template_args (di)); } else - right = d_expression (di); + right = d_expression_1 (di); return d_make_comp (di, DEMANGLE_COMPONENT_BINARY, op, d_make_comp (di, @@ -2995,12 +3309,14 @@ d_expression (struct d_info *di) struct demangle_component *second; struct demangle_component *third; - if (!strcmp (code, "qu")) + if (code == NULL) + return NULL; + else if (!strcmp (code, "qu")) { /* ?: expression. */ - first = d_expression (di); - second = d_expression (di); - third = d_expression (di); + first = d_expression_1 (di); + second = d_expression_1 (di); + third = d_expression_1 (di); } else if (code[0] == 'n') { @@ -3024,7 +3340,7 @@ d_expression (struct d_info *di) else if (d_peek_char (di) == 'i' && d_peek_next_char (di) == 'l') /* initializer-list. */ - third = d_expression (di); + third = d_expression_1 (di); else return NULL; } @@ -3044,6 +3360,18 @@ d_expression (struct d_info *di) } } +static struct demangle_component * +d_expression (struct d_info *di) +{ + struct demangle_component *ret; + int was_expression = di->is_expression; + + di->is_expression = 1; + ret = d_expression_1 (di); + di->is_expression = was_expression; + return ret; +} + /* ::= L <(value) number> E ::= L <(value) float> E ::= L E @@ -3109,6 +3437,7 @@ d_expr_primary (struct d_info *di) /* ::= Z <(function) encoding> E <(entity) name> [] ::= Z <(function) encoding> E s [] + ::= Z <(function) encoding> E d [ number>] _ */ static struct demangle_component * @@ -3405,6 +3734,7 @@ d_substitution (struct d_info *di, int prefix) { const char *s; int len; + struct demangle_component *c; if (p->set_last_name != NULL) di->last_name = d_make_sub (di, p->set_last_name, @@ -3420,7 +3750,15 @@ d_substitution (struct d_info *di, int prefix) len = p->simple_len; } di->expansion += len; - return d_make_sub (di, s, len); + c = d_make_sub (di, s, len); + if (d_peek_char (di) == 'B') + { + /* If there are ABI tags on the abbreviation, it becomes + a substitution candidate. */ + c = d_abi_tags (di, c); + d_add_substitution (di, c); + } + return c; } } @@ -3428,6 +3766,26 @@ d_substitution (struct d_info *di, int prefix) } } +static void +d_checkpoint (struct d_info *di, struct d_info_checkpoint *checkpoint) +{ + checkpoint->n = di->n; + checkpoint->next_comp = di->next_comp; + checkpoint->next_sub = di->next_sub; + checkpoint->did_subs = di->did_subs; + checkpoint->expansion = di->expansion; +} + +static void +d_backtrack (struct d_info *di, struct d_info_checkpoint *checkpoint) +{ + di->n = checkpoint->n; + di->next_comp = checkpoint->next_comp; + di->next_sub = checkpoint->next_sub; + di->did_subs = checkpoint->did_subs; + di->expansion = checkpoint->expansion; +} + /* Initialize a growable string. */ static void @@ -3504,11 +3862,147 @@ d_growable_string_callback_adapter (const char *s, size_t l, void *opaque) d_growable_string_append_buffer (dgs, s, l); } +/* Walk the tree, counting the number of templates encountered, and + the number of times a scope might be saved. These counts will be + used to allocate data structures for d_print_comp, so the logic + here must mirror the logic d_print_comp will use. It is not + important that the resulting numbers are exact, so long as they + are larger than the actual numbers encountered. */ + +static void +d_count_templates_scopes (int *num_templates, int *num_scopes, + const struct demangle_component *dc) +{ + if (dc == NULL) + return; + + switch (dc->type) + { + case DEMANGLE_COMPONENT_NAME: + case DEMANGLE_COMPONENT_TEMPLATE_PARAM: + case DEMANGLE_COMPONENT_FUNCTION_PARAM: + case DEMANGLE_COMPONENT_SUB_STD: + case DEMANGLE_COMPONENT_BUILTIN_TYPE: + case DEMANGLE_COMPONENT_OPERATOR: + case DEMANGLE_COMPONENT_CHARACTER: + case DEMANGLE_COMPONENT_NUMBER: + case DEMANGLE_COMPONENT_UNNAMED_TYPE: + break; + + case DEMANGLE_COMPONENT_TEMPLATE: + (*num_templates)++; + goto recurse_left_right; + + case DEMANGLE_COMPONENT_REFERENCE: + case DEMANGLE_COMPONENT_RVALUE_REFERENCE: + if (d_left (dc)->type == DEMANGLE_COMPONENT_TEMPLATE_PARAM) + (*num_scopes)++; + goto recurse_left_right; + + case DEMANGLE_COMPONENT_QUAL_NAME: + case DEMANGLE_COMPONENT_LOCAL_NAME: + case DEMANGLE_COMPONENT_TYPED_NAME: + case DEMANGLE_COMPONENT_VTABLE: + case DEMANGLE_COMPONENT_VTT: + case DEMANGLE_COMPONENT_CONSTRUCTION_VTABLE: + case DEMANGLE_COMPONENT_TYPEINFO: + case DEMANGLE_COMPONENT_TYPEINFO_NAME: + case DEMANGLE_COMPONENT_TYPEINFO_FN: + case DEMANGLE_COMPONENT_THUNK: + case DEMANGLE_COMPONENT_VIRTUAL_THUNK: + case DEMANGLE_COMPONENT_COVARIANT_THUNK: + case DEMANGLE_COMPONENT_JAVA_CLASS: + case DEMANGLE_COMPONENT_GUARD: + case DEMANGLE_COMPONENT_TLS_INIT: + case DEMANGLE_COMPONENT_TLS_WRAPPER: + case DEMANGLE_COMPONENT_REFTEMP: + case DEMANGLE_COMPONENT_HIDDEN_ALIAS: + case DEMANGLE_COMPONENT_RESTRICT: + case DEMANGLE_COMPONENT_VOLATILE: + case DEMANGLE_COMPONENT_CONST: + case DEMANGLE_COMPONENT_RESTRICT_THIS: + case DEMANGLE_COMPONENT_VOLATILE_THIS: + case DEMANGLE_COMPONENT_CONST_THIS: + case DEMANGLE_COMPONENT_REFERENCE_THIS: + case DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS: + case DEMANGLE_COMPONENT_TRANSACTION_SAFE: + case DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL: + case DEMANGLE_COMPONENT_POINTER: + case DEMANGLE_COMPONENT_COMPLEX: + case DEMANGLE_COMPONENT_IMAGINARY: + case DEMANGLE_COMPONENT_VENDOR_TYPE: + case DEMANGLE_COMPONENT_FUNCTION_TYPE: + case DEMANGLE_COMPONENT_ARRAY_TYPE: + case DEMANGLE_COMPONENT_PTRMEM_TYPE: + case DEMANGLE_COMPONENT_VECTOR_TYPE: + case DEMANGLE_COMPONENT_ARGLIST: + case DEMANGLE_COMPONENT_TEMPLATE_ARGLIST: + case DEMANGLE_COMPONENT_INITIALIZER_LIST: + case DEMANGLE_COMPONENT_CAST: + case DEMANGLE_COMPONENT_CONVERSION: + case DEMANGLE_COMPONENT_NULLARY: + case DEMANGLE_COMPONENT_UNARY: + case DEMANGLE_COMPONENT_BINARY: + case DEMANGLE_COMPONENT_BINARY_ARGS: + case DEMANGLE_COMPONENT_TRINARY: + case DEMANGLE_COMPONENT_TRINARY_ARG1: + case DEMANGLE_COMPONENT_TRINARY_ARG2: + case DEMANGLE_COMPONENT_LITERAL: + case DEMANGLE_COMPONENT_LITERAL_NEG: + case DEMANGLE_COMPONENT_JAVA_RESOURCE: + case DEMANGLE_COMPONENT_COMPOUND_NAME: + case DEMANGLE_COMPONENT_DECLTYPE: + case DEMANGLE_COMPONENT_TRANSACTION_CLONE: + case DEMANGLE_COMPONENT_NONTRANSACTION_CLONE: + case DEMANGLE_COMPONENT_PACK_EXPANSION: + case DEMANGLE_COMPONENT_TAGGED_NAME: + case DEMANGLE_COMPONENT_CLONE: + recurse_left_right: + d_count_templates_scopes (num_templates, num_scopes, + d_left (dc)); + d_count_templates_scopes (num_templates, num_scopes, + d_right (dc)); + break; + + case DEMANGLE_COMPONENT_CTOR: + d_count_templates_scopes (num_templates, num_scopes, + dc->u.s_ctor.name); + break; + + case DEMANGLE_COMPONENT_DTOR: + d_count_templates_scopes (num_templates, num_scopes, + dc->u.s_dtor.name); + break; + + case DEMANGLE_COMPONENT_EXTENDED_OPERATOR: + d_count_templates_scopes (num_templates, num_scopes, + dc->u.s_extended_operator.name); + break; + + case DEMANGLE_COMPONENT_FIXED_TYPE: + d_count_templates_scopes (num_templates, num_scopes, + dc->u.s_fixed.length); + break; + + case DEMANGLE_COMPONENT_GLOBAL_CONSTRUCTORS: + case DEMANGLE_COMPONENT_GLOBAL_DESTRUCTORS: + d_count_templates_scopes (num_templates, num_scopes, + d_left (dc)); + break; + + case DEMANGLE_COMPONENT_LAMBDA: + case DEMANGLE_COMPONENT_DEFAULT_ARG: + d_count_templates_scopes (num_templates, num_scopes, + dc->u.s_unary_num.sub); + break; + } +} + /* Initialize a print information structure. */ static void d_print_init (struct d_print_info *dpi, demangle_callbackref callback, - void *opaque) + void *opaque, const struct demangle_component *dc) { dpi->len = 0; dpi->last_char = '\0'; @@ -3521,6 +4015,22 @@ d_print_init (struct d_print_info *dpi, demangle_callbackref callback, dpi->opaque = opaque; dpi->demangle_failure = 0; + + dpi->component_stack = NULL; + + dpi->saved_scopes = NULL; + dpi->next_saved_scope = 0; + dpi->num_saved_scopes = 0; + + dpi->copy_templates = NULL; + dpi->next_copy_template = 0; + dpi->num_copy_templates = 0; + + d_count_templates_scopes (&dpi->num_copy_templates, + &dpi->num_saved_scopes, dc); + dpi->num_copy_templates *= dpi->num_saved_scopes; + + dpi->current_template = NULL; } /* Indicate that an error occurred during printing, and test for error. */ @@ -3606,9 +4116,24 @@ cplus_demangle_print_callback (int options, { struct d_print_info dpi; - d_print_init (&dpi, callback, opaque); + d_print_init (&dpi, callback, opaque, dc); - d_print_comp (&dpi, options, dc); + { +#ifdef CP_DYNAMIC_ARRAYS + __extension__ struct d_saved_scope scopes[dpi.num_saved_scopes]; + __extension__ struct d_print_template temps[dpi.num_copy_templates]; + + dpi.saved_scopes = scopes; + dpi.copy_templates = temps; +#else + dpi.saved_scopes = alloca (dpi.num_saved_scopes + * sizeof (*dpi.saved_scopes)); + dpi.copy_templates = alloca (dpi.num_copy_templates + * sizeof (*dpi.copy_templates)); +#endif + + d_print_comp (&dpi, options, dc); + } d_print_flush (&dpi); @@ -3710,12 +4235,16 @@ d_find_pack (struct d_print_info *dpi, case DEMANGLE_COMPONENT_LAMBDA: case DEMANGLE_COMPONENT_NAME: + case DEMANGLE_COMPONENT_TAGGED_NAME: case DEMANGLE_COMPONENT_OPERATOR: case DEMANGLE_COMPONENT_BUILTIN_TYPE: case DEMANGLE_COMPONENT_SUB_STD: case DEMANGLE_COMPONENT_CHARACTER: case DEMANGLE_COMPONENT_FUNCTION_PARAM: case DEMANGLE_COMPONENT_UNNAMED_TYPE: + case DEMANGLE_COMPONENT_FIXED_TYPE: + case DEMANGLE_COMPONENT_DEFAULT_ARG: + case DEMANGLE_COMPONENT_NUMBER: return NULL; case DEMANGLE_COMPONENT_EXTENDED_OPERATOR: @@ -3768,16 +4297,79 @@ d_print_subexpr (struct d_print_info *dpi, int options, d_append_char (dpi, ')'); } +/* Save the current scope. */ + +static void +d_save_scope (struct d_print_info *dpi, + const struct demangle_component *container) +{ + struct d_saved_scope *scope; + struct d_print_template *src, **link; + + if (dpi->next_saved_scope >= dpi->num_saved_scopes) + { + d_print_error (dpi); + return; + } + scope = &dpi->saved_scopes[dpi->next_saved_scope]; + dpi->next_saved_scope++; + + scope->container = container; + link = &scope->templates; + + for (src = dpi->templates; src != NULL; src = src->next) + { + struct d_print_template *dst; + + if (dpi->next_copy_template >= dpi->num_copy_templates) + { + d_print_error (dpi); + return; + } + dst = &dpi->copy_templates[dpi->next_copy_template]; + dpi->next_copy_template++; + + dst->template_decl = src->template_decl; + *link = dst; + link = &dst->next; + } + + *link = NULL; +} + +/* Attempt to locate a previously saved scope. Returns NULL if no + corresponding saved scope was found. */ + +static struct d_saved_scope * +d_get_saved_scope (struct d_print_info *dpi, + const struct demangle_component *container) +{ + int i; + + for (i = 0; i < dpi->next_saved_scope; i++) + if (dpi->saved_scopes[i].container == container) + return &dpi->saved_scopes[i]; + + return NULL; +} + /* Subroutine to handle components. */ static void -d_print_comp (struct d_print_info *dpi, int options, - const struct demangle_component *dc) +d_print_comp_inner (struct d_print_info *dpi, int options, + const struct demangle_component *dc) { /* Magic variable to let reference smashing skip over the next modifier without needing to modify *dc. */ const struct demangle_component *mod_inner = NULL; + /* Variable used to store the current templates while a previously + captured scope is used. */ + struct d_print_template *saved_templates; + + /* Nonzero if templates have been stored in the above variable. */ + int need_template_restore = 0; + if (dc == NULL) { d_print_error (dpi); @@ -3795,6 +4387,13 @@ d_print_comp (struct d_print_info *dpi, int options, d_print_java_identifier (dpi, dc->u.s_name.s, dc->u.s_name.len); return; + case DEMANGLE_COMPONENT_TAGGED_NAME: + d_print_comp (dpi, options, d_left (dc)); + d_append_string (dpi, "[abi:"); + d_print_comp (dpi, options, d_right (dc)); + d_append_char (dpi, ']'); + return; + case DEMANGLE_COMPONENT_QUAL_NAME: case DEMANGLE_COMPONENT_LOCAL_NAME: d_print_comp (dpi, options, d_left (dc)); @@ -3802,7 +4401,17 @@ d_print_comp (struct d_print_info *dpi, int options, d_append_string (dpi, "::"); else d_append_char (dpi, '.'); - d_print_comp (dpi, options, d_right (dc)); + { + struct demangle_component *local_name = d_right (dc); + if (local_name->type == DEMANGLE_COMPONENT_DEFAULT_ARG) + { + d_append_string (dpi, "{default arg#"); + d_append_num (dpi, local_name->u.s_unary_num.num + 1); + d_append_string (dpi, "}::"); + local_name = local_name->u.s_unary_num.sub; + } + d_print_comp (dpi, options, local_name); + } return; case DEMANGLE_COMPONENT_TYPED_NAME: @@ -3837,7 +4446,10 @@ d_print_comp (struct d_print_info *dpi, int options, if (typed_name->type != DEMANGLE_COMPONENT_RESTRICT_THIS && typed_name->type != DEMANGLE_COMPONENT_VOLATILE_THIS - && typed_name->type != DEMANGLE_COMPONENT_CONST_THIS) + && typed_name->type != DEMANGLE_COMPONENT_CONST_THIS + && typed_name->type != DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS + && typed_name->type != DEMANGLE_COMPONENT_TRANSACTION_SAFE + && typed_name->type != DEMANGLE_COMPONENT_REFERENCE_THIS) break; typed_name = d_left (typed_name); @@ -3869,9 +4481,18 @@ d_print_comp (struct d_print_info *dpi, int options, local_name = d_right (typed_name); if (local_name->type == DEMANGLE_COMPONENT_DEFAULT_ARG) local_name = local_name->u.s_unary_num.sub; + if (local_name == NULL) + { + d_print_error (dpi); + return; + } while (local_name->type == DEMANGLE_COMPONENT_RESTRICT_THIS || local_name->type == DEMANGLE_COMPONENT_VOLATILE_THIS - || local_name->type == DEMANGLE_COMPONENT_CONST_THIS) + || local_name->type == DEMANGLE_COMPONENT_CONST_THIS + || local_name->type == DEMANGLE_COMPONENT_REFERENCE_THIS + || local_name->type == DEMANGLE_COMPONENT_TRANSACTION_SAFE + || (local_name->type + == DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS)) { if (i >= sizeof adpm / sizeof adpm[0]) { @@ -3918,6 +4539,12 @@ d_print_comp (struct d_print_info *dpi, int options, { struct d_print_mod *hold_dpm; struct demangle_component *dcl; + const struct demangle_component *hold_current; + + /* This template may need to be referenced by a cast operator + contained in its subtree. */ + hold_current = dpi->current_template; + dpi->current_template = dc; /* Don't push modifiers into a template definition. Doing so could give the wrong definition for a template argument. @@ -3954,6 +4581,7 @@ d_print_comp (struct d_print_info *dpi, int options, } dpi->modifiers = hold_dpm; + dpi->current_template = hold_current; return; } @@ -4053,6 +4681,16 @@ d_print_comp (struct d_print_info *dpi, int options, d_print_comp (dpi, options, d_left (dc)); return; + case DEMANGLE_COMPONENT_TLS_INIT: + d_append_string (dpi, "TLS init function for "); + d_print_comp (dpi, options, d_left (dc)); + return; + + case DEMANGLE_COMPONENT_TLS_WRAPPER: + d_append_string (dpi, "TLS wrapper function for "); + d_print_comp (dpi, options, d_left (dc)); + return; + case DEMANGLE_COMPONENT_REFTEMP: d_append_string (dpi, "reference temporary #"); d_print_comp (dpi, options, d_right (dc)); @@ -4114,12 +4752,56 @@ d_print_comp (struct d_print_info *dpi, int options, const struct demangle_component *sub = d_left (dc); if (sub->type == DEMANGLE_COMPONENT_TEMPLATE_PARAM) { - struct demangle_component *a = d_lookup_template_argument (dpi, sub); + struct d_saved_scope *scope = d_get_saved_scope (dpi, sub); + struct demangle_component *a; + + if (scope == NULL) + { + /* This is the first time SUB has been traversed. + We need to capture the current templates so + they can be restored if SUB is reentered as a + substitution. */ + d_save_scope (dpi, sub); + if (d_print_saw_error (dpi)) + return; + } + else + { + const struct d_component_stack *dcse; + int found_self_or_parent = 0; + + /* This traversal is reentering SUB as a substition. + If we are not beneath SUB or DC in the tree then we + need to restore SUB's template stack temporarily. */ + for (dcse = dpi->component_stack; dcse != NULL; + dcse = dcse->parent) + { + if (dcse->dc == sub + || (dcse->dc == dc + && dcse != dpi->component_stack)) + { + found_self_or_parent = 1; + break; + } + } + + if (!found_self_or_parent) + { + saved_templates = dpi->templates; + dpi->templates = scope->templates; + need_template_restore = 1; + } + } + + a = d_lookup_template_argument (dpi, sub); if (a && a->type == DEMANGLE_COMPONENT_TEMPLATE_ARGLIST) a = d_index_template_argument (a, dpi->pack_index); if (a == NULL) { + if (need_template_restore) + dpi->templates = saved_templates; + d_print_error (dpi); return; } @@ -4138,10 +4820,13 @@ d_print_comp (struct d_print_info *dpi, int options, case DEMANGLE_COMPONENT_RESTRICT_THIS: case DEMANGLE_COMPONENT_VOLATILE_THIS: case DEMANGLE_COMPONENT_CONST_THIS: + case DEMANGLE_COMPONENT_REFERENCE_THIS: + case DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS: case DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL: case DEMANGLE_COMPONENT_POINTER: case DEMANGLE_COMPONENT_COMPLEX: case DEMANGLE_COMPONENT_IMAGINARY: + case DEMANGLE_COMPONENT_TRANSACTION_SAFE: modifier: { /* We keep a list of modifiers on the stack. */ @@ -4165,6 +4850,9 @@ d_print_comp (struct d_print_info *dpi, int options, dpi->modifiers = dpm.next; + if (need_template_restore) + dpi->templates = saved_templates; + return; } @@ -4388,9 +5076,9 @@ d_print_comp (struct d_print_info *dpi, int options, d_print_comp (dpi, options, dc->u.s_extended_operator.name); return; - case DEMANGLE_COMPONENT_CAST: + case DEMANGLE_COMPONENT_CONVERSION: d_append_string (dpi, "operator "); - d_print_cast (dpi, options, dc); + d_print_conversion (dpi, options, dc); return; case DEMANGLE_COMPONENT_NULLARY: @@ -4455,6 +5143,17 @@ d_print_comp (struct d_print_info *dpi, int options, return; } + if (op_is_new_cast (d_left (dc))) + { + d_print_expr_op (dpi, options, d_left (dc)); + d_append_char (dpi, '<'); + d_print_comp (dpi, options, d_left (d_right (dc))); + d_append_string (dpi, ">("); + d_print_comp (dpi, options, d_right (d_right (dc))); + d_append_char (dpi, ')'); + return; + } + /* We wrap an expression which uses the greater-than operator in an extra layer of parens so that it does not get confused with the '>' which ends the template parameters. */ @@ -4731,6 +5430,21 @@ d_print_comp (struct d_print_info *dpi, int options, } } +static void +d_print_comp (struct d_print_info *dpi, int options, + const struct demangle_component *dc) +{ + struct d_component_stack self; + + self.dc = dc; + self.parent = dpi->component_stack; + dpi->component_stack = &self; + + d_print_comp_inner (dpi, options, dc); + + dpi->component_stack = self.parent; +} + /* Print a Java dentifier. For Java we try to handle encoded extended Unicode characters. The C++ ABI doesn't mention Unicode encoding, so we don't it for C++. Characters are encoded as @@ -4799,7 +5513,11 @@ d_print_mod_list (struct d_print_info *dpi, int options, || (! suffix && (mods->mod->type == DEMANGLE_COMPONENT_RESTRICT_THIS || mods->mod->type == DEMANGLE_COMPONENT_VOLATILE_THIS - || mods->mod->type == DEMANGLE_COMPONENT_CONST_THIS))) + || mods->mod->type == DEMANGLE_COMPONENT_CONST_THIS + || mods->mod->type == DEMANGLE_COMPONENT_REFERENCE_THIS + || mods->mod->type == DEMANGLE_COMPONENT_TRANSACTION_SAFE + || (mods->mod->type + == DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS)))) { d_print_mod_list (dpi, options, mods->next, suffix); return; @@ -4854,7 +5572,10 @@ d_print_mod_list (struct d_print_info *dpi, int options, while (dc->type == DEMANGLE_COMPONENT_RESTRICT_THIS || dc->type == DEMANGLE_COMPONENT_VOLATILE_THIS - || dc->type == DEMANGLE_COMPONENT_CONST_THIS) + || dc->type == DEMANGLE_COMPONENT_CONST_THIS + || dc->type == DEMANGLE_COMPONENT_REFERENCE_THIS + || dc->type == DEMANGLE_COMPONENT_TRANSACTION_SAFE + || dc->type == DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS) dc = d_left (dc); d_print_comp (dpi, options, dc); @@ -4890,6 +5611,9 @@ d_print_mod (struct d_print_info *dpi, int options, case DEMANGLE_COMPONENT_CONST_THIS: d_append_string (dpi, " const"); return; + case DEMANGLE_COMPONENT_TRANSACTION_SAFE: + d_append_string (dpi, " transaction_safe"); + return; case DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL: d_append_char (dpi, ' '); d_print_comp (dpi, options, d_right (mod)); @@ -4899,9 +5623,14 @@ d_print_mod (struct d_print_info *dpi, int options, if ((options & DMGL_JAVA) == 0) d_append_char (dpi, '*'); return; + case DEMANGLE_COMPONENT_REFERENCE_THIS: + /* For the ref-qualifier, put a space before the &. */ + d_append_char (dpi, ' '); case DEMANGLE_COMPONENT_REFERENCE: d_append_char (dpi, '&'); return; + case DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS: + d_append_char (dpi, ' '); case DEMANGLE_COMPONENT_RVALUE_REFERENCE: d_append_string (dpi, "&&"); return; @@ -4973,6 +5702,9 @@ d_print_function_type (struct d_print_info *dpi, int options, case DEMANGLE_COMPONENT_RESTRICT_THIS: case DEMANGLE_COMPONENT_VOLATILE_THIS: case DEMANGLE_COMPONENT_CONST_THIS: + case DEMANGLE_COMPONENT_REFERENCE_THIS: + case DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS: + case DEMANGLE_COMPONENT_TRANSACTION_SAFE: break; default: break; @@ -5085,30 +5817,43 @@ d_print_expr_op (struct d_print_info *dpi, int options, static void d_print_cast (struct d_print_info *dpi, int options, - const struct demangle_component *dc) + const struct demangle_component *dc) { - if (d_left (dc)->type != DEMANGLE_COMPONENT_TEMPLATE) - d_print_comp (dpi, options, d_left (dc)); - else - { - struct d_print_mod *hold_dpm; - struct d_print_template dpt; + d_print_comp (dpi, options, d_left (dc)); +} - /* It appears that for a templated cast operator, we need to put - the template parameters in scope for the operator name, but - not for the parameters. The effect is that we need to handle - the template printing here. */ +/* Print a conversion operator. */ - hold_dpm = dpi->modifiers; - dpi->modifiers = NULL; +static void +d_print_conversion (struct d_print_info *dpi, int options, + const struct demangle_component *dc) +{ + struct d_print_template dpt; + /* For a conversion operator, we need the template parameters from + the enclosing template in scope for processing the type. */ + if (dpi->current_template != NULL) + { dpt.next = dpi->templates; dpi->templates = &dpt; - dpt.template_decl = d_left (dc); + dpt.template_decl = dpi->current_template; + } + if (d_left (dc)->type != DEMANGLE_COMPONENT_TEMPLATE) + { + d_print_comp (dpi, options, d_left (dc)); + if (dpi->current_template != NULL) + dpi->templates = dpt.next; + } + else + { d_print_comp (dpi, options, d_left (d_left (dc))); - dpi->templates = dpt.next; + /* For a templated cast operator, we need to remove the template + parameters from scope after printing the operator name, + so we need to handle the template printing here. */ + if (dpi->current_template != NULL) + dpi->templates = dpt.next; if (d_last_char (dpi) == '<') d_append_char (dpi, ' '); @@ -5119,8 +5864,6 @@ d_print_cast (struct d_print_info *dpi, int options, if (d_last_char (dpi) == '>') d_append_char (dpi, ' '); d_append_char (dpi, '>'); - - dpi->modifiers = hold_dpm; } } @@ -5153,6 +5896,8 @@ cplus_demangle_init_info (const char *mangled, int options, size_t len, di->last_name = NULL; di->expansion = 0; + di->is_expression = 0; + di->is_conversion = 0; } /* Internal implementation for the demangler. If MANGLED is a g++ v3 ABI @@ -5223,6 +5968,8 @@ d_demangle_callback (const char *mangled, int options, NULL); d_advance (&di, strlen (d_str (&di))); break; + default: + abort (); /* We have listed all the cases. */ } /* If DMGL_PARAMS is set, then if we didn't consume the entire @@ -5493,14 +6240,18 @@ is_ctor_or_dtor (const char *mangled, { switch (dc->type) { + /* These cannot appear on a constructor or destructor. */ + case DEMANGLE_COMPONENT_RESTRICT_THIS: + case DEMANGLE_COMPONENT_VOLATILE_THIS: + case DEMANGLE_COMPONENT_CONST_THIS: + case DEMANGLE_COMPONENT_REFERENCE_THIS: + case DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS: + case DEMANGLE_COMPONENT_TRANSACTION_SAFE: default: dc = NULL; break; case DEMANGLE_COMPONENT_TYPED_NAME: case DEMANGLE_COMPONENT_TEMPLATE: - case DEMANGLE_COMPONENT_RESTRICT_THIS: - case DEMANGLE_COMPONENT_VOLATILE_THIS: - case DEMANGLE_COMPONENT_CONST_THIS: dc = d_left (dc); break; case DEMANGLE_COMPONENT_QUAL_NAME: