X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=libiberty%2Fcp-demangle.c;h=6db1f78be3c8653556e70e324bc8929a1bfbdd86;hb=ca100953ebba1afb0db79bf2ba4125ae78afdbf4;hp=82107bc35482500127ebe953d966283d1f02b42f;hpb=41be1eb0b0e70addb3d05bb60d40ec34b3957f72;p=pf3gnuchains%2Fgcc-fork.git diff --git a/libiberty/cp-demangle.c b/libiberty/cp-demangle.c index 82107bc3548..6db1f78be3c 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 + Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. Written by Ian Lance Taylor . @@ -299,6 +299,9 @@ struct d_print_info struct d_print_mod *modifiers; /* Set to 1 if we saw a demangling error. */ int demangle_failure; + /* The current index into any template argument packs we are using + for printing. */ + int pack_index; }; #ifdef CP_DEMANGLE_DEBUG @@ -386,6 +389,8 @@ d_class_enum_type (struct d_info *); static struct demangle_component *d_array_type (struct d_info *); +static struct demangle_component *d_vector_type (struct d_info *); + static struct demangle_component * d_pointer_to_member_type (struct d_info *); @@ -405,6 +410,10 @@ static struct demangle_component *d_local_name (struct d_info *); static int d_discriminator (struct d_info *); +static struct demangle_component *d_lambda (struct d_info *); + +static struct demangle_component *d_unnamed_type (struct d_info *); + static int d_add_substitution (struct d_info *, struct demangle_component *); @@ -618,6 +627,9 @@ d_dump (struct demangle_component *dc, int indent) case DEMANGLE_COMPONENT_PTRMEM_TYPE: printf ("pointer to member type\n"); break; + case DEMANGLE_COMPONENT_FIXED_TYPE: + printf ("fixed-point type\n"); + break; case DEMANGLE_COMPONENT_ARGLIST: printf ("argument list\n"); break; @@ -660,6 +672,12 @@ 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_DECLTYPE: + printf ("decltype\n"); + break; + case DEMANGLE_COMPONENT_PACK_EXPANSION: + printf ("pack expansion\n"); + break; } d_dump (d_left (dc), indent + 2); @@ -707,8 +725,8 @@ cplus_demangle_fill_ctor (struct demangle_component *p, { if (p == NULL || name == NULL - || (kind < gnu_v3_complete_object_ctor - && kind > gnu_v3_complete_object_allocating_ctor)) + || (int) kind < gnu_v3_complete_object_ctor + || (int) kind > gnu_v3_complete_object_allocating_ctor) return 0; p->type = DEMANGLE_COMPONENT_CTOR; p->u.s_ctor.kind = kind; @@ -726,8 +744,8 @@ cplus_demangle_fill_dtor (struct demangle_component *p, { if (p == NULL || name == NULL - || (kind < gnu_v3_deleting_dtor - && kind > gnu_v3_base_object_dtor)) + || (int) kind < gnu_v3_deleting_dtor + || (int) kind > gnu_v3_base_object_dtor) return 0; p->type = DEMANGLE_COMPONENT_DTOR; p->u.s_dtor.kind = kind; @@ -780,6 +798,7 @@ d_make_comp (struct d_info *di, enum demangle_component_type type, case DEMANGLE_COMPONENT_LITERAL: case DEMANGLE_COMPONENT_LITERAL_NEG: case DEMANGLE_COMPONENT_COMPOUND_NAME: + case DEMANGLE_COMPONENT_VECTOR_TYPE: if (left == NULL || right == NULL) return NULL; break; @@ -803,10 +822,12 @@ d_make_comp (struct d_info *di, enum demangle_component_type type, case DEMANGLE_COMPONENT_COMPLEX: case DEMANGLE_COMPONENT_IMAGINARY: case DEMANGLE_COMPONENT_VENDOR_TYPE: - case DEMANGLE_COMPONENT_ARGLIST: - case DEMANGLE_COMPONENT_TEMPLATE_ARGLIST: case DEMANGLE_COMPONENT_CAST: case DEMANGLE_COMPONENT_JAVA_RESOURCE: + case DEMANGLE_COMPONENT_DECLTYPE: + case DEMANGLE_COMPONENT_PACK_EXPANSION: + case DEMANGLE_COMPONENT_GLOBAL_CONSTRUCTORS: + case DEMANGLE_COMPONENT_GLOBAL_DESTRUCTORS: if (left == NULL) return NULL; break; @@ -827,6 +848,8 @@ 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_ARGLIST: + case DEMANGLE_COMPONENT_TEMPLATE_ARGLIST: break; /* Other types should not be seen here. */ @@ -906,6 +929,20 @@ d_make_extended_operator (struct d_info *di, int args, return p; } +static struct demangle_component * +d_make_default_arg (struct d_info *di, int num, + struct demangle_component *sub) +{ + struct demangle_component *p = d_make_empty (di); + if (p) + { + p->type = DEMANGLE_COMPONENT_DEFAULT_ARG; + p->u.s_unary_num.num = num; + p->u.s_unary_num.sub = sub; + } + return p; +} + /* Add a new constructor component. */ static struct demangle_component * @@ -950,6 +987,22 @@ d_make_template_param (struct d_info *di, long i) return p; } +/* Add a new function parameter. */ + +static struct demangle_component * +d_make_function_param (struct d_info *di, long i) +{ + struct demangle_component *p; + + p = d_make_empty (di); + if (p != NULL) + { + p->type = DEMANGLE_COMPONENT_FUNCTION_PARAM; + p->u.s_number.number = i; + } + return p; +} + /* Add a new standard substitution component. */ static struct demangle_component * @@ -975,7 +1028,11 @@ CP_STATIC_IF_GLIBCPP_V3 struct demangle_component * cplus_demangle_mangled_name (struct d_info *di, int top_level) { - if (! d_check_char (di, '_')) + if (! d_check_char (di, '_') + /* Allow missing _ if not at toplevel to work around a + bug in G++ abi-version=2 mangling; see the comment in + write_template_arg. */ + && top_level) return NULL; if (! d_check_char (di, 'Z')) return NULL; @@ -1117,8 +1174,9 @@ d_name (struct d_info *di) return d_local_name (di); case 'L': + case 'U': return d_unqualified_name (di); - + case 'S': { int subst; @@ -1240,6 +1298,7 @@ d_prefix (struct d_info *di) || IS_LOWER (peek) || peek == 'C' || peek == 'D' + || peek == 'U' || peek == 'L') dc = d_unqualified_name (di); else if (peek == 'S') @@ -1255,6 +1314,16 @@ d_prefix (struct d_info *di) dc = d_template_param (di); else if (peek == 'E') return ret; + else if (peek == 'M') + { + /* Initializer scope for a lambda. We don't need to represent + this; the normal code will just treat the variable as a type + scope, which gives appropriate output. */ + if (ret == NULL) + return NULL; + d_advance (di, 1); + continue; + } else return NULL; @@ -1311,6 +1380,18 @@ d_unqualified_name (struct d_info *di) return NULL; return ret; } + else if (peek == 'U') + { + switch (d_peek_next_char (di)) + { + case 'l': + return d_lambda (di); + case 't': + return d_unnamed_type (di); + default: + return NULL; + } + } else return NULL; } @@ -1364,6 +1445,20 @@ d_number (struct d_info *di) } } +/* Like d_number, but returns a demangle_component. */ + +static struct demangle_component * +d_number_component (struct d_info *di) +{ + struct demangle_component *ret = d_make_empty (di); + if (ret) + { + ret->type = DEMANGLE_COMPONENT_NUMBER; + ret->u.s_number.number = d_number (di); + } + return ret; +} + /* identifier ::= <(unqualified source code identifier)> */ static struct demangle_component * @@ -1422,13 +1517,14 @@ const struct demangle_operator_info cplus_demangle_operators[] = { "aa", NL ("&&"), 2 }, { "ad", NL ("&"), 1 }, { "an", NL ("&"), 2 }, - { "cl", NL ("()"), 0 }, + { "cl", NL ("()"), 2 }, { "cm", NL (","), 2 }, { "co", NL ("~"), 1 }, { "dV", NL ("/="), 2 }, { "da", NL ("delete[]"), 1 }, { "de", NL ("*"), 1 }, { "dl", NL ("delete"), 1 }, + { "dt", NL ("."), 2 }, { "dv", NL ("/"), 2 }, { "eO", NL ("^="), 2 }, { "eo", NL ("^"), 2 }, @@ -1466,6 +1562,8 @@ const struct demangle_operator_info cplus_demangle_operators[] = { "rs", NL (">>"), 2 }, { "st", NL ("sizeof "), 1 }, { "sz", NL ("sizeof "), 1 }, + { "at", NL ("alignof "), 1 }, + { "az", NL ("alignof "), 1 }, { NULL, NULL, 0, 0 } }; @@ -1883,6 +1981,14 @@ cplus_demangle_builtin_types[D_BUILTIN_TYPE_COUNT] = /* y */ { NL ("unsigned long long"), NL ("unsigned long long"), D_PRINT_UNSIGNED_LONG_LONG }, /* z */ { NL ("..."), NL ("..."), D_PRINT_DEFAULT }, + /* 26 */ { NL ("decimal32"), NL ("decimal32"), D_PRINT_DEFAULT }, + /* 27 */ { NL ("decimal64"), NL ("decimal64"), D_PRINT_DEFAULT }, + /* 28 */ { NL ("decimal128"), NL ("decimal128"), D_PRINT_DEFAULT }, + /* 29 */ { NL ("half"), NL ("half"), D_PRINT_FLOAT }, + /* 30 */ { NL ("char16_t"), NL ("char16_t"), D_PRINT_DEFAULT }, + /* 31 */ { NL ("char32_t"), NL ("char32_t"), D_PRINT_DEFAULT }, + /* 32 */ { NL ("decltype(nullptr)"), NL ("decltype(nullptr)"), + D_PRINT_DEFAULT }, }; CP_STATIC_IF_GLIBCPP_V3 @@ -2046,6 +2152,88 @@ cplus_demangle_type (struct d_info *di) cplus_demangle_type (di), ret); break; + case 'D': + can_subst = 0; + d_advance (di, 1); + peek = d_next_char (di); + switch (peek) + { + case 'T': + case 't': + /* decltype (expression) */ + ret = d_make_comp (di, DEMANGLE_COMPONENT_DECLTYPE, + d_expression (di), NULL); + if (ret && d_next_char (di) != 'E') + ret = NULL; + break; + + case 'p': + /* Pack expansion. */ + ret = d_make_comp (di, DEMANGLE_COMPONENT_PACK_EXPANSION, + cplus_demangle_type (di), NULL); + break; + + case 'f': + /* 32-bit decimal floating point */ + ret = d_make_builtin_type (di, &cplus_demangle_builtin_types[26]); + di->expansion += ret->u.s_builtin.type->len; + break; + case 'd': + /* 64-bit DFP */ + ret = d_make_builtin_type (di, &cplus_demangle_builtin_types[27]); + di->expansion += ret->u.s_builtin.type->len; + break; + case 'e': + /* 128-bit DFP */ + ret = d_make_builtin_type (di, &cplus_demangle_builtin_types[28]); + di->expansion += ret->u.s_builtin.type->len; + break; + case 'h': + /* 16-bit half-precision FP */ + ret = d_make_builtin_type (di, &cplus_demangle_builtin_types[29]); + di->expansion += ret->u.s_builtin.type->len; + break; + case 's': + /* char16_t */ + ret = d_make_builtin_type (di, &cplus_demangle_builtin_types[30]); + di->expansion += ret->u.s_builtin.type->len; + break; + case 'i': + /* char32_t */ + ret = d_make_builtin_type (di, &cplus_demangle_builtin_types[31]); + di->expansion += ret->u.s_builtin.type->len; + break; + + case 'F': + /* Fixed point types. DF */ + ret = d_make_empty (di); + ret->type = DEMANGLE_COMPONENT_FIXED_TYPE; + if ((ret->u.s_fixed.accum = IS_DIGIT (d_peek_char (di)))) + /* For demangling we don't care about the bits. */ + d_number (di); + ret->u.s_fixed.length = cplus_demangle_type (di); + if (ret->u.s_fixed.length == NULL) + return NULL; + d_number (di); + peek = d_next_char (di); + ret->u.s_fixed.sat = (peek == 's'); + break; + + case 'v': + ret = d_vector_type (di); + break; + + case 'n': + /* decltype(nullptr) */ + ret = d_make_builtin_type (di, &cplus_demangle_builtin_types[32]); + di->expansion += ret->u.s_builtin.type->len; + break; + + default: + return NULL; + } + break; + default: return NULL; } @@ -2127,50 +2315,30 @@ d_function_type (struct d_info *di) return ret; } -/* ::= [J]+ */ +/* + */ static struct demangle_component * -d_bare_function_type (struct d_info *di, int has_return_type) +d_parmlist (struct d_info *di) { - struct demangle_component *return_type; struct demangle_component *tl; struct demangle_component **ptl; - char peek; - - /* Detect special qualifier indicating that the first argument - is the return type. */ - peek = d_peek_char (di); - if (peek == 'J') - { - d_advance (di, 1); - has_return_type = 1; - } - return_type = NULL; tl = NULL; ptl = &tl; while (1) { struct demangle_component *type; - peek = d_peek_char (di); + char peek = d_peek_char (di); if (peek == '\0' || peek == 'E') break; type = cplus_demangle_type (di); if (type == NULL) return NULL; - if (has_return_type) - { - return_type = type; - has_return_type = 0; - } - else - { - *ptl = d_make_comp (di, DEMANGLE_COMPONENT_ARGLIST, type, NULL); - if (*ptl == NULL) - return NULL; - ptl = &d_right (*ptl); - } + *ptl = d_make_comp (di, DEMANGLE_COMPONENT_ARGLIST, type, NULL); + if (*ptl == NULL) + return NULL; + ptl = &d_right (*ptl); } /* There should be at least one parameter type besides the optional @@ -2185,10 +2353,45 @@ d_bare_function_type (struct d_info *di, int has_return_type) && d_left (tl)->u.s_builtin.type->print == D_PRINT_VOID) { di->expansion -= d_left (tl)->u.s_builtin.type->len; - tl = NULL; + d_left (tl) = NULL; + } + + return tl; +} + +/* ::= [J]+ */ + +static struct demangle_component * +d_bare_function_type (struct d_info *di, int has_return_type) +{ + struct demangle_component *return_type; + struct demangle_component *tl; + char peek; + + /* Detect special qualifier indicating that the first argument + is the return type. */ + peek = d_peek_char (di); + if (peek == 'J') + { + d_advance (di, 1); + has_return_type = 1; } - return d_make_comp (di, DEMANGLE_COMPONENT_FUNCTION_TYPE, return_type, tl); + if (has_return_type) + { + return_type = cplus_demangle_type (di); + if (return_type == NULL) + return NULL; + } + else + return_type = NULL; + + tl = d_parmlist (di); + if (tl == NULL) + return NULL; + + return d_make_comp (di, DEMANGLE_COMPONENT_FUNCTION_TYPE, + return_type, tl); } /* ::= */ @@ -2244,6 +2447,34 @@ d_array_type (struct d_info *di) cplus_demangle_type (di)); } +/* ::= Dv _ + ::= Dv _ _ */ + +static struct demangle_component * +d_vector_type (struct d_info *di) +{ + char peek; + struct demangle_component *dim; + + peek = d_peek_char (di); + if (peek == '_') + { + d_advance (di, 1); + dim = d_expression (di); + } + else + dim = d_number_component (di); + + if (dim == NULL) + return NULL; + + if (! d_check_char (di, '_')) + return NULL; + + return d_make_comp (di, DEMANGLE_COMPONENT_VECTOR_TYPE, dim, + cplus_demangle_type (di)); +} + /* ::= M <(class) type> <(member) type> */ static struct demangle_component * @@ -2290,6 +2521,24 @@ d_pointer_to_member_type (struct d_info *di) return d_make_comp (di, DEMANGLE_COMPONENT_PTRMEM_TYPE, cl, mem); } +/* _ */ + +static long +d_compact_number (struct d_info *di) +{ + long num; + if (d_peek_char (di) == '_') + num = 0; + else if (d_peek_char (di) == 'n') + return -1; + else + num = d_number (di) + 1; + + if (! d_check_char (di, '_')) + return -1; + return num; +} + /* ::= T_ ::= T <(parameter-2 non-negative) number> _ */ @@ -2302,17 +2551,8 @@ d_template_param (struct d_info *di) if (! d_check_char (di, 'T')) return NULL; - if (d_peek_char (di) == '_') - param = 0; - else - { - param = d_number (di); - if (param < 0) - return NULL; - param += 1; - } - - if (! d_check_char (di, '_')) + param = d_compact_number (di); + if (param < 0) return NULL; ++di->did_subs; @@ -2337,6 +2577,13 @@ d_template_args (struct d_info *di) if (! d_check_char (di, 'I')) return NULL; + if (d_peek_char (di) == 'E') + { + /* An argument pack can be empty. */ + d_advance (di, 1); + return d_make_comp (di, DEMANGLE_COMPONENT_TEMPLATE_ARGLIST, NULL, NULL); + } + al = NULL; pal = &al; while (1) @@ -2386,14 +2633,54 @@ d_template_arg (struct d_info *di) case 'L': return d_expr_primary (di); + case 'I': + /* An argument pack. */ + return d_template_args (di); + default: return cplus_demangle_type (di); } } +/* Subroutine of ::= cl + E */ + +static struct demangle_component * +d_exprlist (struct d_info *di) +{ + struct demangle_component *list = NULL; + struct demangle_component **p = &list; + + if (d_peek_char (di) == 'E') + { + d_advance (di, 1); + return d_make_comp (di, DEMANGLE_COMPONENT_ARGLIST, NULL, NULL); + } + + while (1) + { + struct demangle_component *arg = d_expression (di); + if (arg == NULL) + return NULL; + + *p = d_make_comp (di, DEMANGLE_COMPONENT_ARGLIST, arg, NULL); + if (*p == NULL) + return NULL; + p = &d_right (*p); + + if (d_peek_char (di) == 'E') + { + d_advance (di, 1); + break; + } + } + + return list; +} + /* ::= <(unary) operator-name> ::= <(binary) operator-name> ::= <(trinary) operator-name> + ::= cl + E ::= st ::= ::= sr @@ -2426,6 +2713,43 @@ d_expression (struct d_info *di) d_make_comp (di, DEMANGLE_COMPONENT_TEMPLATE, name, d_template_args (di))); } + else if (peek == 's' && d_peek_next_char (di) == 'p') + { + d_advance (di, 2); + return d_make_comp (di, DEMANGLE_COMPONENT_PACK_EXPANSION, + d_expression (di), NULL); + } + else if (peek == 'f' && d_peek_next_char (di) == 'p') + { + /* Function parameter used in a late-specified return type. */ + int index; + d_advance (di, 2); + index = d_compact_number (di); + if (index < 0) + return NULL; + + return d_make_function_param (di, index); + } + else if (IS_DIGIT (peek) + || (peek == 'o' && d_peek_next_char (di) == 'n')) + { + /* We can get an unqualified name as an expression in the case of + a dependent function call, i.e. decltype(f(t)). */ + struct demangle_component *name; + + if (peek == 'o') + /* operator-function-id, i.e. operator+(t). */ + d_advance (di, 2); + + name = d_unqualified_name (di); + if (name == NULL) + return NULL; + if (d_peek_char (di) == 'I') + return d_make_comp (di, DEMANGLE_COMPONENT_TEMPLATE, name, + d_template_args (di)); + else + return name; + } else { struct demangle_component *op; @@ -2461,18 +2785,39 @@ d_expression (struct d_info *di) switch (args) { case 1: - return d_make_comp (di, DEMANGLE_COMPONENT_UNARY, op, - d_expression (di)); + { + struct demangle_component *operand; + if (op->type == DEMANGLE_COMPONENT_CAST + && d_check_char (di, '_')) + operand = d_exprlist (di); + else + operand = d_expression (di); + return d_make_comp (di, DEMANGLE_COMPONENT_UNARY, op, + operand); + } case 2: { struct demangle_component *left; + struct demangle_component *right; + const char *code = op->u.s_operator.op->code; left = d_expression (di); + if (!strcmp (code, "cl")) + right = d_exprlist (di); + else if (!strcmp (code, "dt") || !strcmp (code, "pt")) + { + right = d_unqualified_name (di); + if (d_peek_char (di) == 'I') + right = d_make_comp (di, DEMANGLE_COMPONENT_TEMPLATE, + right, d_template_args (di)); + } + else + right = d_expression (di); + return d_make_comp (di, DEMANGLE_COMPONENT_BINARY, op, d_make_comp (di, DEMANGLE_COMPONENT_BINARY_ARGS, - left, - d_expression (di))); + left, right)); } case 3: { @@ -2508,7 +2853,9 @@ d_expr_primary (struct d_info *di) if (! d_check_char (di, 'L')) return NULL; - if (d_peek_char (di) == '_') + if (d_peek_char (di) == '_' + /* Workaround for G++ bug; see comment in write_template_arg. */ + || d_peek_char (di) == 'Z') ret = cplus_demangle_mangled_name (di, 0); else { @@ -2586,10 +2933,31 @@ d_local_name (struct d_info *di) else { struct demangle_component *name; + int num = -1; + + if (d_peek_char (di) == 'd') + { + /* Default argument scope: d _. */ + d_advance (di, 1); + num = d_compact_number (di); + if (num < 0) + return NULL; + } name = d_name (di); - if (! d_discriminator (di)) - return NULL; + if (name) + switch (name->type) + { + /* Lambdas and unnamed types have internal discriminators. */ + case DEMANGLE_COMPONENT_LAMBDA: + case DEMANGLE_COMPONENT_UNNAMED_TYPE: + break; + default: + if (! d_discriminator (di)) + return NULL; + } + if (num >= 0) + name = d_make_default_arg (di, num, name); return d_make_comp (di, DEMANGLE_COMPONENT_LOCAL_NAME, function, name); } } @@ -2613,6 +2981,75 @@ d_discriminator (struct d_info *di) return 1; } +/* ::= Ul E [ ] _ */ + +static struct demangle_component * +d_lambda (struct d_info *di) +{ + struct demangle_component *tl; + struct demangle_component *ret; + int num; + + if (! d_check_char (di, 'U')) + return NULL; + if (! d_check_char (di, 'l')) + return NULL; + + tl = d_parmlist (di); + if (tl == NULL) + return NULL; + + if (! d_check_char (di, 'E')) + return NULL; + + num = d_compact_number (di); + if (num < 0) + return NULL; + + ret = d_make_empty (di); + if (ret) + { + ret->type = DEMANGLE_COMPONENT_LAMBDA; + ret->u.s_unary_num.sub = tl; + ret->u.s_unary_num.num = num; + } + + if (! d_add_substitution (di, ret)) + return NULL; + + return ret; +} + +/* ::= Ut [ ] _ */ + +static struct demangle_component * +d_unnamed_type (struct d_info *di) +{ + struct demangle_component *ret; + long num; + + if (! d_check_char (di, 'U')) + return NULL; + if (! d_check_char (di, 't')) + return NULL; + + num = d_compact_number (di); + if (num < 0) + return NULL; + + ret = d_make_empty (di); + if (ret) + { + ret->type = DEMANGLE_COMPONENT_UNNAMED_TYPE; + ret->u.s_number.number = num; + } + + if (! d_add_substitution (di, ret)) + return NULL; + + return ret; +} + /* Add a new substitution. */ static int @@ -2906,6 +3343,14 @@ d_append_string (struct d_print_info *dpi, const char *s) d_append_buffer (dpi, s, strlen (s)); } +static inline void +d_append_num (struct d_print_info *dpi, long l) +{ + char buf[25]; + sprintf (buf,"%ld", l); + d_append_string (dpi, buf); +} + static inline char d_last_char (struct d_print_info *dpi) { @@ -2968,6 +3413,125 @@ cplus_demangle_print (int options, const struct demangle_component *dc, return dgs.buf; } +/* Returns the I'th element of the template arglist ARGS, or NULL on + failure. */ + +static struct demangle_component * +d_index_template_argument (struct demangle_component *args, int i) +{ + struct demangle_component *a; + + for (a = args; + a != NULL; + a = d_right (a)) + { + if (a->type != DEMANGLE_COMPONENT_TEMPLATE_ARGLIST) + return NULL; + if (i <= 0) + break; + --i; + } + if (i != 0 || a == NULL) + return NULL; + + return d_left (a); +} + +/* Returns the template argument from the current context indicated by DC, + which is a DEMANGLE_COMPONENT_TEMPLATE_PARAM, or NULL. */ + +static struct demangle_component * +d_lookup_template_argument (struct d_print_info *dpi, + const struct demangle_component *dc) +{ + if (dpi->templates == NULL) + { + d_print_error (dpi); + return NULL; + } + + return d_index_template_argument + (d_right (dpi->templates->template_decl), + dc->u.s_number.number); +} + +/* Returns a template argument pack used in DC (any will do), or NULL. */ + +static struct demangle_component * +d_find_pack (struct d_print_info *dpi, + const struct demangle_component *dc) +{ + struct demangle_component *a; + if (dc == NULL) + return NULL; + + switch (dc->type) + { + case DEMANGLE_COMPONENT_TEMPLATE_PARAM: + a = d_lookup_template_argument (dpi, dc); + if (a && a->type == DEMANGLE_COMPONENT_TEMPLATE_ARGLIST) + return a; + return NULL; + + case DEMANGLE_COMPONENT_PACK_EXPANSION: + return NULL; + + case DEMANGLE_COMPONENT_NAME: + case DEMANGLE_COMPONENT_OPERATOR: + case DEMANGLE_COMPONENT_BUILTIN_TYPE: + case DEMANGLE_COMPONENT_SUB_STD: + case DEMANGLE_COMPONENT_CHARACTER: + case DEMANGLE_COMPONENT_FUNCTION_PARAM: + return NULL; + + case DEMANGLE_COMPONENT_EXTENDED_OPERATOR: + return d_find_pack (dpi, dc->u.s_extended_operator.name); + case DEMANGLE_COMPONENT_CTOR: + return d_find_pack (dpi, dc->u.s_ctor.name); + case DEMANGLE_COMPONENT_DTOR: + return d_find_pack (dpi, dc->u.s_dtor.name); + + default: + a = d_find_pack (dpi, d_left (dc)); + if (a) + return a; + return d_find_pack (dpi, d_right (dc)); + } +} + +/* Returns the length of the template argument pack DC. */ + +static int +d_pack_length (const struct demangle_component *dc) +{ + int count = 0; + while (dc && dc->type == DEMANGLE_COMPONENT_TEMPLATE_ARGLIST + && d_left (dc) != NULL) + { + ++count; + dc = d_right (dc); + } + return count; +} + +/* DC is a component of a mangled expression. Print it, wrapped in parens + if needed. */ + +static void +d_print_subexpr (struct d_print_info *dpi, + const struct demangle_component *dc) +{ + int simple = 0; + if (dc->type == DEMANGLE_COMPONENT_NAME + || dc->type == DEMANGLE_COMPONENT_FUNCTION_PARAM) + simple = 1; + if (!simple) + d_append_char (dpi, '('); + d_print_comp (dpi, dc); + if (!simple) + d_append_char (dpi, ')'); +} + /* Subroutine to handle components. */ static void @@ -3013,6 +3577,7 @@ d_print_comp (struct d_print_info *dpi, the right place for the type. We also have to pass down any CV-qualifiers, which apply to the this parameter. */ hold_modifiers = dpi->modifiers; + dpi->modifiers = 0; i = 0; typed_name = d_left (dc); while (typed_name != NULL) @@ -3062,6 +3627,8 @@ d_print_comp (struct d_print_info *dpi, struct demangle_component *local_name; local_name = d_right (typed_name); + if (local_name->type == DEMANGLE_COMPONENT_DEFAULT_ARG) + local_name = local_name->u.s_unary_num.sub; while (local_name->type == DEMANGLE_COMPONENT_RESTRICT_THIS || local_name->type == DEMANGLE_COMPONENT_VOLATILE_THIS || local_name->type == DEMANGLE_COMPONENT_CONST_THIS) @@ -3153,30 +3720,13 @@ d_print_comp (struct d_print_info *dpi, case DEMANGLE_COMPONENT_TEMPLATE_PARAM: { - long i; - struct demangle_component *a; struct d_print_template *hold_dpt; + struct demangle_component *a = d_lookup_template_argument (dpi, dc); - if (dpi->templates == NULL) - { - d_print_error (dpi); - return; - } - i = dc->u.s_number.number; - for (a = d_right (dpi->templates->template_decl); - a != NULL; - a = d_right (a)) - { - if (a->type != DEMANGLE_COMPONENT_TEMPLATE_ARGLIST) - { - d_print_error (dpi); - return; - } - if (i <= 0) - break; - --i; - } - if (i != 0 || a == NULL) + if (a && a->type == DEMANGLE_COMPONENT_TEMPLATE_ARGLIST) + a = d_index_template_argument (a, dpi->pack_index); + + if (a == NULL) { d_print_error (dpi); return; @@ -3190,7 +3740,7 @@ d_print_comp (struct d_print_info *dpi, hold_dpt = dpi->templates; dpi->templates = hold_dpt->next; - d_print_comp (dpi, d_left (a)); + d_print_comp (dpi, a); dpi->templates = hold_dpt; @@ -3452,6 +4002,7 @@ d_print_comp (struct d_print_info *dpi, } case DEMANGLE_COMPONENT_PTRMEM_TYPE: + case DEMANGLE_COMPONENT_VECTOR_TYPE: { struct d_print_mod dpm; @@ -3466,24 +4017,43 @@ d_print_comp (struct d_print_info *dpi, /* If the modifier didn't get printed by the type, print it now. */ if (! dpm.printed) - { - d_append_char (dpi, ' '); - d_print_comp (dpi, d_left (dc)); - d_append_string (dpi, "::*"); - } + d_print_mod (dpi, dc); dpi->modifiers = dpm.next; return; } + case DEMANGLE_COMPONENT_FIXED_TYPE: + if (dc->u.s_fixed.sat) + d_append_string (dpi, "_Sat "); + /* Don't print "int _Accum". */ + if (dc->u.s_fixed.length->u.s_builtin.type + != &cplus_demangle_builtin_types['i'-'a']) + { + d_print_comp (dpi, dc->u.s_fixed.length); + d_append_char (dpi, ' '); + } + if (dc->u.s_fixed.accum) + d_append_string (dpi, "_Accum"); + else + d_append_string (dpi, "_Fract"); + return; + case DEMANGLE_COMPONENT_ARGLIST: case DEMANGLE_COMPONENT_TEMPLATE_ARGLIST: - d_print_comp (dpi, d_left (dc)); + if (d_left (dc) != NULL) + d_print_comp (dpi, d_left (dc)); if (d_right (dc) != NULL) { + size_t len; d_append_string (dpi, ", "); + len = dpi->len; d_print_comp (dpi, d_right (dc)); + /* If that didn't print anything (which can happen with empty + template argument packs), remove the comma and space. */ + if (dpi->len == len) + dpi->len -= 2; } return; @@ -3519,9 +4089,7 @@ d_print_comp (struct d_print_info *dpi, d_print_cast (dpi, d_left (dc)); d_append_char (dpi, ')'); } - d_append_char (dpi, '('); - d_print_comp (dpi, d_right (dc)); - d_append_char (dpi, ')'); + d_print_subexpr (dpi, d_right (dc)); return; case DEMANGLE_COMPONENT_BINARY: @@ -3539,13 +4107,19 @@ d_print_comp (struct d_print_info *dpi, && d_left (dc)->u.s_operator.op->name[0] == '>') d_append_char (dpi, '('); - d_append_char (dpi, '('); - d_print_comp (dpi, d_left (d_right (dc))); - d_append_string (dpi, ") "); - d_print_expr_op (dpi, d_left (dc)); - d_append_string (dpi, " ("); - d_print_comp (dpi, d_right (d_right (dc))); - d_append_char (dpi, ')'); + d_print_subexpr (dpi, d_left (d_right (dc))); + if (strcmp (d_left (dc)->u.s_operator.op->code, "ix") == 0) + { + d_append_char (dpi, '['); + d_print_comp (dpi, d_right (d_right (dc))); + d_append_char (dpi, ']'); + } + else + { + if (strcmp (d_left (dc)->u.s_operator.op->code, "cl") != 0) + d_print_expr_op (dpi, d_left (dc)); + d_print_subexpr (dpi, d_right (d_right (dc))); + } if (d_left (dc)->type == DEMANGLE_COMPONENT_OPERATOR && d_left (dc)->u.s_operator.op->len == 1 @@ -3566,15 +4140,11 @@ d_print_comp (struct d_print_info *dpi, d_print_error (dpi); return; } - d_append_char (dpi, '('); - d_print_comp (dpi, d_left (d_right (dc))); - d_append_string (dpi, ") "); + d_print_subexpr (dpi, d_left (d_right (dc))); d_print_expr_op (dpi, d_left (dc)); - d_append_string (dpi, " ("); - d_print_comp (dpi, d_left (d_right (d_right (dc)))); - d_append_string (dpi, ") : ("); - d_print_comp (dpi, d_right (d_right (d_right (dc)))); - d_append_char (dpi, ')'); + d_print_subexpr (dpi, d_left (d_right (d_right (dc)))); + d_append_string (dpi, " : "); + d_print_subexpr (dpi, d_right (d_right (d_right (dc)))); return; case DEMANGLE_COMPONENT_TRINARY_ARG1: @@ -3667,6 +4237,10 @@ d_print_comp (struct d_print_info *dpi, } return; + case DEMANGLE_COMPONENT_NUMBER: + d_append_num (dpi, dc->u.s_number.number); + return; + case DEMANGLE_COMPONENT_JAVA_RESOURCE: d_append_string (dpi, "java resource "); d_print_comp (dpi, d_left (dc)); @@ -3681,6 +4255,69 @@ d_print_comp (struct d_print_info *dpi, d_append_char (dpi, dc->u.s_character.character); return; + case DEMANGLE_COMPONENT_DECLTYPE: + d_append_string (dpi, "decltype ("); + d_print_comp (dpi, d_left (dc)); + d_append_char (dpi, ')'); + return; + + case DEMANGLE_COMPONENT_PACK_EXPANSION: + { + int len; + int i; + struct demangle_component *a = d_find_pack (dpi, d_left (dc)); + if (a == NULL) + { + /* d_find_pack won't find anything if the only packs involved + in this expansion are function parameter packs; in that + case, just print the pattern and "...". */ + d_print_subexpr (dpi, d_left (dc)); + d_append_string (dpi, "..."); + return; + } + + len = d_pack_length (a); + dc = d_left (dc); + for (i = 0; i < len; ++i) + { + dpi->pack_index = i; + d_print_comp (dpi, dc); + if (i < len-1) + d_append_string (dpi, ", "); + } + } + return; + + case DEMANGLE_COMPONENT_FUNCTION_PARAM: + d_append_string (dpi, "{parm#"); + d_append_num (dpi, dc->u.s_number.number + 1); + d_append_char (dpi, '}'); + return; + + case DEMANGLE_COMPONENT_GLOBAL_CONSTRUCTORS: + d_append_string (dpi, "global constructors keyed to "); + d_print_comp (dpi, dc->u.s_binary.left); + return; + + case DEMANGLE_COMPONENT_GLOBAL_DESTRUCTORS: + d_append_string (dpi, "global destructors keyed to "); + d_print_comp (dpi, dc->u.s_binary.left); + return; + + case DEMANGLE_COMPONENT_LAMBDA: + d_append_string (dpi, "{lambda("); + d_print_comp (dpi, dc->u.s_unary_num.sub); + d_append_string (dpi, ")#"); + d_append_num (dpi, dc->u.s_unary_num.num + 1); + d_append_char (dpi, '}'); + return; + + case DEMANGLE_COMPONENT_UNNAMED_TYPE: + d_append_string (dpi, "{unnamed type#"); + d_append_num (dpi, dc->u.s_number.number + 1); + d_append_char (dpi, '}'); + return; + default: d_print_error (dpi); return; @@ -3799,6 +4436,15 @@ d_print_mod_list (struct d_print_info *dpi, d_append_char (dpi, '.'); dc = d_right (mods->mod); + + if (dc->type == DEMANGLE_COMPONENT_DEFAULT_ARG) + { + d_append_string (dpi, "{default arg#"); + d_append_num (dpi, dc->u.s_unary_num.num + 1); + d_append_string (dpi, "}::"); + dc = dc->u.s_unary_num.sub; + } + while (dc->type == DEMANGLE_COMPONENT_RESTRICT_THIS || dc->type == DEMANGLE_COMPONENT_VOLATILE_THIS || dc->type == DEMANGLE_COMPONENT_CONST_THIS) @@ -3867,6 +4513,12 @@ d_print_mod (struct d_print_info *dpi, case DEMANGLE_COMPONENT_TYPED_NAME: d_print_comp (dpi, d_left (mod)); return; + case DEMANGLE_COMPONENT_VECTOR_TYPE: + d_append_string (dpi, " __vector("); + d_print_comp (dpi, d_left (mod)); + d_append_char (dpi, ')'); + return; + default: /* Otherwise, we have something that won't go back on the modifier stack, so we can just print it. */ @@ -4111,33 +4763,30 @@ static int d_demangle_callback (const char *mangled, int options, demangle_callbackref callback, void *opaque) { - int type; + enum + { + DCT_TYPE, + DCT_MANGLED, + DCT_GLOBAL_CTORS, + DCT_GLOBAL_DTORS + } + type; struct d_info di; struct demangle_component *dc; int status; if (mangled[0] == '_' && mangled[1] == 'Z') - type = 0; + type = DCT_MANGLED; else if (strncmp (mangled, "_GLOBAL_", 8) == 0 && (mangled[8] == '.' || mangled[8] == '_' || mangled[8] == '$') && (mangled[9] == 'D' || mangled[9] == 'I') && mangled[10] == '_') - { - const char *intro; - - intro = (mangled[9] == 'I') - ? "global constructors keyed to " - : "global destructors keyed to "; - - callback (intro, strlen (intro), opaque); - callback (mangled + 11, strlen (mangled + 11), opaque); - return 1; - } + type = mangled[9] == 'I' ? DCT_GLOBAL_CTORS : DCT_GLOBAL_DTORS; else { if ((options & DMGL_TYPES) == 0) return 0; - type = 1; + type = DCT_TYPE; } cplus_demangle_init_info (mangled, options, strlen (mangled), &di); @@ -4154,10 +4803,26 @@ d_demangle_callback (const char *mangled, int options, di.subs = alloca (di.num_subs * sizeof (*di.subs)); #endif - if (type) - dc = cplus_demangle_type (&di); - else - dc = cplus_demangle_mangled_name (&di, 1); + switch (type) + { + case DCT_TYPE: + dc = cplus_demangle_type (&di); + break; + case DCT_MANGLED: + dc = cplus_demangle_mangled_name (&di, 1); + break; + case DCT_GLOBAL_CTORS: + case DCT_GLOBAL_DTORS: + d_advance (&di, 11); + dc = d_make_comp (&di, + (type == DCT_GLOBAL_CTORS + ? DEMANGLE_COMPONENT_GLOBAL_CONSTRUCTORS + : DEMANGLE_COMPONENT_GLOBAL_DESTRUCTORS), + d_make_name (&di, d_str (&di), strlen (d_str (&di))), + NULL); + d_advance (&di, strlen (d_str (&di))); + break; + } /* If DMGL_PARAMS is set, then if we didn't consume the entire mangled string, then we didn't successfully demangle it. If @@ -4202,7 +4867,7 @@ d_demangle (const char *mangled, int options, size_t *palc) return NULL; } - *palc = dgs.allocation_failure ? 1 : 0; + *palc = dgs.allocation_failure ? 1 : dgs.alc; return dgs.buf; }