/* Demangler for g++ V3 ABI.
- Copyright (C) 2003-2021 Free Software Foundation, Inc.
+ Copyright (C) 2003-2023 Free Software Foundation, Inc.
Written by Ian Lance Taylor <ian@wasabisystems.com>.
This file is part of the libiberty library, which is part of GCC.
/* Number of times d_print_comp was recursively called. Should not
be bigger than MAX_RECURSION_COUNT. */
int recursion;
- /* Non-zero if we're printing a lambda argument. A template
- parameter reference actually means 'auto'. */
- int is_lambda_arg;
+ /* 1 more than the number of explicit template parms of a lambda. Template
+ parm references >= are actually 'auto'. */
+ int lambda_tpl_parms;
/* The current index into any template argument packs we are using
for printing, or -1 to print the whole pack. */
int pack_index;
static struct demangle_component *d_encoding (struct d_info *, int);
-static struct demangle_component *d_name (struct d_info *);
+static struct demangle_component *d_name (struct d_info *, int substable);
static struct demangle_component *d_nested_name (struct d_info *);
+static int d_maybe_module_name (struct d_info *, struct demangle_component **);
+
static struct demangle_component *d_prefix (struct d_info *, int);
-static struct demangle_component *d_unqualified_name (struct d_info *);
+static struct demangle_component *d_unqualified_name (struct d_info *,
+ struct demangle_component *scope, struct demangle_component *module);
static struct demangle_component *d_source_name (struct d_info *);
d_bare_function_type (struct d_info *, int);
static struct demangle_component *
-d_class_enum_type (struct d_info *);
+d_class_enum_type (struct d_info *, int);
static struct demangle_component *d_array_type (struct d_info *);
static int d_discriminator (struct d_info *);
+static struct demangle_component *d_template_parm (struct d_info *, int *bad);
+
+static struct demangle_component *d_template_head (struct d_info *, int *bad);
+
static struct demangle_component *d_lambda (struct d_info *);
static struct demangle_component *d_unnamed_type (struct d_info *);
case DEMANGLE_COMPONENT_BUILTIN_TYPE:
printf ("builtin type %s\n", dc->u.s_builtin.type->name);
return;
+ case DEMANGLE_COMPONENT_EXTENDED_BUILTIN_TYPE:
+ {
+ char suffix[2] = { dc->u.s_extended_builtin.type->suffix, 0 };
+ printf ("builtin type %s%d%s\n", dc->u.s_extended_builtin.type->name,
+ dc->u.s_extended_builtin.type->arg, suffix);
+ }
+ return;
case DEMANGLE_COMPONENT_OPERATOR:
printf ("operator %s\n", dc->u.s_operator.op->name);
return;
case DEMANGLE_COMPONENT_PTRMEM_TYPE:
printf ("pointer to member type\n");
break;
- case DEMANGLE_COMPONENT_FIXED_TYPE:
- 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");
break;
case DEMANGLE_COMPONENT_LITERAL_NEG:
printf ("negative literal\n");
break;
+ case DEMANGLE_COMPONENT_VENDOR_EXPR:
+ printf ("vendor expression\n");
+ break;
case DEMANGLE_COMPONENT_JAVA_RESOURCE:
printf ("java resource\n");
break;
case DEMANGLE_COMPONENT_TRINARY_ARG1:
case DEMANGLE_COMPONENT_LITERAL:
case DEMANGLE_COMPONENT_LITERAL_NEG:
+ case DEMANGLE_COMPONENT_VENDOR_EXPR:
case DEMANGLE_COMPONENT_COMPOUND_NAME:
case DEMANGLE_COMPONENT_VECTOR_TYPE:
case DEMANGLE_COMPONENT_CLONE:
+ case DEMANGLE_COMPONENT_MODULE_ENTITY:
+ case DEMANGLE_COMPONENT_CONSTRAINTS:
if (left == NULL || right == NULL)
return NULL;
break;
case DEMANGLE_COMPONENT_NULLARY:
case DEMANGLE_COMPONENT_TRINARY_ARG2:
case DEMANGLE_COMPONENT_TPARM_OBJ:
+ case DEMANGLE_COMPONENT_STRUCTURED_BINDING:
+ case DEMANGLE_COMPONENT_MODULE_INIT:
+ case DEMANGLE_COMPONENT_TEMPLATE_HEAD:
+ case DEMANGLE_COMPONENT_TEMPLATE_NON_TYPE_PARM:
+ case DEMANGLE_COMPONENT_TEMPLATE_TEMPLATE_PARM:
+ case DEMANGLE_COMPONENT_TEMPLATE_PACK_PARM:
+ case DEMANGLE_COMPONENT_FRIEND:
if (left == NULL)
return NULL;
break;
empty. */
case DEMANGLE_COMPONENT_ARRAY_TYPE:
case DEMANGLE_COMPONENT_INITIALIZER_LIST:
+ case DEMANGLE_COMPONENT_MODULE_NAME:
+ case DEMANGLE_COMPONENT_MODULE_PARTITION:
if (right == NULL)
return NULL;
break;
case DEMANGLE_COMPONENT_CONST:
case DEMANGLE_COMPONENT_ARGLIST:
case DEMANGLE_COMPONENT_TEMPLATE_ARGLIST:
+ case DEMANGLE_COMPONENT_TEMPLATE_TYPE_PARM:
FNQUAL_COMPONENT_CASE:
break;
return p;
}
+/* Add a new extended builtin type component. */
+
+static struct demangle_component *
+d_make_extended_builtin_type (struct d_info *di,
+ const struct demangle_builtin_type_info *type,
+ short arg, char suffix)
+{
+ struct demangle_component *p;
+
+ if (type == NULL)
+ return NULL;
+ p = d_make_empty (di);
+ if (p != NULL)
+ {
+ p->type = DEMANGLE_COMPONENT_EXTENDED_BUILTIN_TYPE;
+ p->u.s_extended_builtin.type = type;
+ p->u.s_extended_builtin.arg = arg;
+ p->u.s_extended_builtin.suffix = suffix;
+ }
+ return p;
+}
+
/* Add a new operator component. */
static struct demangle_component *
}
}
+/* [ Q <constraint-expression> ] */
+
+static struct demangle_component *
+d_maybe_constraints (struct d_info *di, struct demangle_component *dc)
+{
+ if (d_peek_char (di) == 'Q')
+ {
+ d_advance (di, 1);
+ struct demangle_component *expr = d_expression (di);
+ if (expr == NULL)
+ return NULL;
+ dc = d_make_comp (di, DEMANGLE_COMPONENT_CONSTRAINTS, dc, expr);
+ }
+ return dc;
+}
+
/* <encoding> ::= <(function) name> <bare-function-type>
::= <(data) name>
::= <special-name>
dc = d_special_name (di);
else
{
- dc = d_name (di);
+ dc = d_name (di, 0);
if (!dc)
/* Failed already. */;
struct demangle_component *ftype;
ftype = d_bare_function_type (di, has_return_type (dc));
- if (ftype)
- {
- /* If this is a non-top-level local-name, clear the
- return type, so it doesn't confuse the user by
- being confused with the return type of whaever
- this is nested within. */
- if (!top_level && dc->type == DEMANGLE_COMPONENT_LOCAL_NAME
- && ftype->type == DEMANGLE_COMPONENT_FUNCTION_TYPE)
- d_left (ftype) = NULL;
-
- dc = d_make_comp (di, DEMANGLE_COMPONENT_TYPED_NAME,
- dc, ftype);
- }
- else
- dc = NULL;
+ if (!ftype)
+ return NULL;
+
+ /* If this is a non-top-level local-name, clear the
+ return type, so it doesn't confuse the user by
+ being confused with the return type of whaever
+ this is nested within. */
+ if (!top_level && dc->type == DEMANGLE_COMPONENT_LOCAL_NAME
+ && ftype->type == DEMANGLE_COMPONENT_FUNCTION_TYPE)
+ d_left (ftype) = NULL;
+
+ ftype = d_maybe_constraints (di, ftype);
+
+ dc = d_make_comp (di, DEMANGLE_COMPONENT_TYPED_NAME,
+ dc, ftype);
}
}
}
*/
static struct demangle_component *
-d_name (struct d_info *di)
+d_name (struct d_info *di, int substable)
{
char peek = d_peek_char (di);
- struct demangle_component *dc;
+ struct demangle_component *dc = NULL;
+ struct demangle_component *module = NULL;
+ int subst = 0;
switch (peek)
{
case 'N':
- return d_nested_name (di);
+ dc = d_nested_name (di);
+ break;
case 'Z':
- return d_local_name (di);
+ dc = d_local_name (di);
+ break;
case 'U':
- return d_unqualified_name (di);
+ dc = d_unqualified_name (di, NULL, NULL);
+ break;
case 'S':
{
- int subst;
-
- if (d_peek_next_char (di) != 't')
- {
- dc = d_substitution (di, 0);
- subst = 1;
- }
- else
+ if (d_peek_next_char (di) == 't')
{
d_advance (di, 2);
- dc = d_make_comp (di, DEMANGLE_COMPONENT_QUAL_NAME,
- d_make_name (di, "std", 3),
- d_unqualified_name (di));
+ dc = d_make_name (di, "std", 3);
di->expansion += 3;
- subst = 0;
}
- if (d_peek_char (di) != 'I')
- {
- /* The grammar does not permit this case to occur if we
- called d_substitution() above (i.e., subst == 1). We
- don't bother to check. */
- }
- else
+ if (d_peek_char (di) == 'S')
{
- /* This is <template-args>, which means that we just saw
- <unscoped-template-name>, which is a substitution
- candidate if we didn't just get it from a
- substitution. */
- if (! subst)
+ module = d_substitution (di, 0);
+ if (!module)
+ return NULL;
+ if (!(module->type == DEMANGLE_COMPONENT_MODULE_NAME
+ || module->type == DEMANGLE_COMPONENT_MODULE_PARTITION))
{
- if (! d_add_substitution (di, dc))
+ if (dc)
return NULL;
+ subst = 1;
+ dc = module;
+ module = NULL;
}
- dc = d_make_comp (di, DEMANGLE_COMPONENT_TEMPLATE, dc,
- d_template_args (di));
}
-
- return dc;
}
+ /* FALLTHROUGH */
case 'L':
default:
- dc = d_unqualified_name (di);
+ if (!subst)
+ dc = d_unqualified_name (di, dc, module);
if (d_peek_char (di) == 'I')
{
/* This is <template-args>, which means that we just saw
<unscoped-template-name>, which is a substitution
candidate. */
- if (! d_add_substitution (di, dc))
+ if (!subst && !d_add_substitution (di, dc))
return NULL;
dc = d_make_comp (di, DEMANGLE_COMPONENT_TEMPLATE, dc,
d_template_args (di));
+ subst = 0;
}
- return dc;
+ break;
}
+ if (substable && !subst && !d_add_substitution (di, dc))
+ return NULL;
+ return dc;
}
/* <nested-name> ::= N [<CV-qualifiers>] [<ref-qualifier>] <prefix> <unqualified-name> E
if not (in an unresolved-name). */
static struct demangle_component *
-d_prefix (struct d_info *di, int subst)
+d_prefix (struct d_info *di, int substable)
{
struct demangle_component *ret = NULL;
- while (1)
+ for (;;)
{
- char peek;
- enum demangle_component_type comb_type;
- struct demangle_component *dc;
-
- peek = d_peek_char (di);
- if (peek == '\0')
- return NULL;
+ char peek = d_peek_char (di);
/* The older code accepts a <local-name> here, but I don't see
that in the grammar. The older code does not accept a
<template-param> here. */
- comb_type = DEMANGLE_COMPONENT_QUAL_NAME;
- if (peek == 'D')
+ if (peek == 'D'
+ && (d_peek_next_char (di) == 'T'
+ || d_peek_next_char (di) == 't'))
{
- char peek2 = d_peek_next_char (di);
- if (peek2 == 'T' || peek2 == 't')
- /* Decltype. */
- dc = cplus_demangle_type (di);
- else
- /* Destructor name. */
- dc = d_unqualified_name (di);
+ /* Decltype. */
+ if (ret)
+ return NULL;
+ ret = cplus_demangle_type (di);
}
- else if (IS_DIGIT (peek)
- || IS_LOWER (peek)
- || peek == 'C'
- || peek == 'U'
- || peek == 'L')
- dc = d_unqualified_name (di);
- else if (peek == 'S')
- dc = d_substitution (di, 1);
else if (peek == 'I')
{
if (ret == NULL)
return NULL;
- comb_type = DEMANGLE_COMPONENT_TEMPLATE;
- dc = d_template_args (di);
+ struct demangle_component *dc = d_template_args (di);
+ if (!dc)
+ return NULL;
+ ret = d_make_comp (di, DEMANGLE_COMPONENT_TEMPLATE, ret, dc);
}
else if (peek == 'T')
- 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)
+ if (ret)
return NULL;
+ ret = d_template_param (di);
+ }
+ else if (peek == 'M')
+ {
+ /* Initializer scope for a lambda. We already added it as a
+ substitution candidate, don't do that again. */
d_advance (di, 1);
continue;
}
else
+ {
+ struct demangle_component *module = NULL;
+ if (peek == 'S')
+ {
+ module = d_substitution (di, 1);
+ if (!module)
+ return NULL;
+ if (!(module->type == DEMANGLE_COMPONENT_MODULE_NAME
+ || module->type == DEMANGLE_COMPONENT_MODULE_PARTITION))
+ {
+ if (ret)
+ return NULL;
+ ret = module;
+ continue;
+ }
+ }
+ ret = d_unqualified_name (di, ret, module);
+ }
+
+ if (!ret)
+ break;
+
+ if (d_peek_char (di) == 'E')
+ break;
+
+ if (substable && !d_add_substitution (di, ret))
return NULL;
+ }
- if (ret == NULL)
- ret = dc;
- else
- ret = d_make_comp (di, comb_type, ret, dc);
+ return ret;
+}
- if (peek != 'S' && d_peek_char (di) != 'E' && subst)
+static int
+d_maybe_module_name (struct d_info *di, struct demangle_component **name)
+{
+ while (d_peek_char (di) == 'W')
+ {
+ d_advance (di, 1);
+ enum demangle_component_type code = DEMANGLE_COMPONENT_MODULE_NAME;
+ if (d_peek_char (di) == 'P')
{
- if (! d_add_substitution (di, ret))
- return NULL;
+ code = DEMANGLE_COMPONENT_MODULE_PARTITION;
+ d_advance (di, 1);
}
+
+ *name = d_make_comp (di, code, *name, d_source_name (di));
+ if (!*name)
+ return 0;
+ if (!d_add_substitution (di, *name))
+ return 0;
}
+ return 1;
}
-/* <unqualified-name> ::= <operator-name>
- ::= <ctor-dtor-name>
- ::= <source-name>
- ::= <local-source-name>
-
- <local-source-name> ::= L <source-name> <discriminator>
+/* <unqualified-name> ::= [<module-name>] <operator-name> [<abi-tags>]
+ ::= [<module-name>] <ctor-dtor-name> [<abi-tags>]
+ ::= [<module-name>] <source-name> [<abi-tags>]
+ ::= [<module-name>] F <source-name> [<abi-tags>]
+ ::= [<module-name>] <local-source-name> [<abi-tags>]
+ ::= [<module-name>] DC <source-name>+ E [<abi-tags>]
+ <local-source-name> ::= L <source-name> <discriminator> [<abi-tags>]
*/
static struct demangle_component *
-d_unqualified_name (struct d_info *di)
+d_unqualified_name (struct d_info *di, struct demangle_component *scope,
+ struct demangle_component *module)
{
struct demangle_component *ret;
char peek;
+ int member_like_friend = 0;
+
+ if (!d_maybe_module_name (di, &module))
+ return NULL;
peek = d_peek_char (di);
+ if (peek == 'F')
+ {
+ member_like_friend = 1;
+ d_advance (di, 1);
+ peek = d_peek_char (di);
+ }
if (IS_DIGIT (peek))
ret = d_source_name (di);
else if (IS_LOWER (peek))
d_source_name (di));
}
}
+ else if (peek == 'D' && d_peek_next_char (di) == 'C')
+ {
+ // structured binding
+ d_advance (di, 2);
+ struct demangle_component *prev = NULL;
+ do
+ {
+ struct demangle_component *next =
+ d_make_comp (di, DEMANGLE_COMPONENT_STRUCTURED_BINDING,
+ d_source_name (di), NULL);
+ if (prev)
+ d_right (prev) = next;
+ else
+ ret = next;
+ prev = next;
+ }
+ while (prev && d_peek_char (di) != 'E');
+ if (prev)
+ d_advance (di, 1);
+ else
+ ret = NULL;
+ }
else if (peek == 'C' || peek == 'D')
ret = d_ctor_dtor_name (di);
else if (peek == 'L')
else
return NULL;
+ if (module)
+ ret = d_make_comp (di, DEMANGLE_COMPONENT_MODULE_ENTITY, ret, module);
if (d_peek_char (di) == 'B')
ret = d_abi_tags (di, ret);
+ if (member_like_friend)
+ ret = d_make_comp (di, DEMANGLE_COMPONENT_FRIEND, ret, NULL);
+ if (scope)
+ ret = d_make_comp (di, DEMANGLE_COMPONENT_QUAL_NAME, scope, ret);
+
return ret;
}
{ "ng", NL ("-"), 1 },
{ "nt", NL ("!"), 1 },
{ "nw", NL ("new"), 3 },
+ { "nx", NL ("noexcept"), 1 },
{ "oR", NL ("|="), 2 },
{ "oo", NL ("||"), 2 },
{ "or", NL ("|"), 2 },
case 'H':
return d_make_comp (di, DEMANGLE_COMPONENT_TLS_INIT,
- d_name (di), NULL);
+ d_name (di, 0), NULL);
case 'W':
return d_make_comp (di, DEMANGLE_COMPONENT_TLS_WRAPPER,
- d_name (di), NULL);
+ d_name (di, 0), NULL);
case 'A':
return d_make_comp (di, DEMANGLE_COMPONENT_TPARM_OBJ,
{
case 'V':
return d_make_comp (di, DEMANGLE_COMPONENT_GUARD,
- d_name (di), NULL);
+ d_name (di, 0), NULL);
case 'R':
{
- struct demangle_component *name = d_name (di);
+ struct demangle_component *name = d_name (di, 0);
return d_make_comp (di, DEMANGLE_COMPONENT_REFTEMP, name,
d_number_component (di));
}
return d_make_comp (di, DEMANGLE_COMPONENT_HIDDEN_ALIAS,
d_encoding (di, 0), NULL);
+ case 'I':
+ {
+ struct demangle_component *module = NULL;
+ if (!d_maybe_module_name (di, &module) || !module)
+ return NULL;
+ return d_make_comp (di, DEMANGLE_COMPONENT_MODULE_INIT,
+ module, NULL);
+ }
case 'T':
switch (d_next_char (di))
{
/* 32 */ { NL ("char32_t"), NL ("char32_t"), D_PRINT_DEFAULT },
/* 33 */ { NL ("decltype(nullptr)"), NL ("decltype(nullptr)"),
D_PRINT_DEFAULT },
+ /* 34 */ { NL ("_Float"), NL ("_Float"), D_PRINT_FLOAT },
+ /* 35 */ { NL ("std::bfloat16_t"), NL ("std::bfloat16_t"), D_PRINT_FLOAT },
};
CP_STATIC_IF_GLIBCPP_V3
ret = d_function_type (di);
break;
- case '0': case '1': case '2': case '3': case '4':
- case '5': case '6': case '7': case '8': case '9':
- case 'N':
- case 'Z':
- ret = d_class_enum_type (di);
- break;
-
case 'A':
ret = d_array_type (di);
break;
}
break;
- case 'S':
- /* If this is a special substitution, then it is the start of
- <class-enum-type>. */
- {
- char peek_next;
-
- peek_next = d_peek_next_char (di);
- if (IS_DIGIT (peek_next)
- || peek_next == '_'
- || IS_UPPER (peek_next))
- {
- ret = d_substitution (di, 0);
- /* The substituted name may have been a template name and
- may be followed by tepmlate args. */
- if (d_peek_char (di) == 'I')
- ret = d_make_comp (di, DEMANGLE_COMPONENT_TEMPLATE, ret,
- d_template_args (di));
- else
- can_subst = 0;
- }
- else
- {
- ret = d_class_enum_type (di);
- /* If the substitution was a complete type, then it is not
- a new substitution candidate. However, if the
- substitution was followed by template arguments, then
- the whole thing is a substitution candidate. */
- if (ret != NULL && ret->type == DEMANGLE_COMPONENT_SUB_STD)
- can_subst = 0;
- }
- }
- break;
-
case 'O':
d_advance (di, 1);
ret = d_make_comp (di, DEMANGLE_COMPONENT_RVALUE_REFERENCE,
break;
case 'F':
- /* Fixed point types. DF<int bits><length><fract bits><sat> */
- 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;
+ /* DF<number>_ - _Float<number>.
+ DF<number>x - _Float<number>x
+ DF16b - std::bfloat16_t. */
+ {
+ int arg = d_number (di);
+ char buf[12];
+ char suffix = 0;
+ if (d_peek_char (di) == 'b')
+ {
+ if (arg != 16)
+ return NULL;
+ d_advance (di, 1);
+ ret = d_make_builtin_type (di,
+ &cplus_demangle_builtin_types[35]);
+ di->expansion += ret->u.s_builtin.type->len;
+ break;
+ }
+ if (d_peek_char (di) == 'x')
+ suffix = 'x';
+ if (!suffix && d_peek_char (di) != '_')
+ return NULL;
+ ret
+ = d_make_extended_builtin_type (di,
+ &cplus_demangle_builtin_types[34],
+ arg, suffix);
+ d_advance (di, 1);
+ sprintf (buf, "%d", arg);
+ di->expansion += ret->u.s_extended_builtin.type->len
+ + strlen (buf) + (suffix != 0);
+ break;
+ }
case 'v':
ret = d_vector_type (di);
break;
default:
- return NULL;
+ return d_class_enum_type (di, 1);
}
if (can_subst)
struct demangle_component *type;
char peek = d_peek_char (di);
- if (peek == '\0' || peek == 'E' || peek == '.')
+ if (peek == '\0' || peek == 'E' || peek == '.' || peek == 'Q')
break;
if ((peek == 'R' || peek == 'O')
&& d_peek_next_char (di) == 'E')
/* <class-enum-type> ::= <name> */
static struct demangle_component *
-d_class_enum_type (struct d_info *di)
+d_class_enum_type (struct d_info *di, int substable)
{
- return d_name (di);
+ return d_name (di, substable);
}
/* <array-type> ::= A <(positive dimension) number> _ <(element) type>
return d_template_args_1 (di);
}
-/* <template-arg>* E */
+/* <template-arg>* [Q <constraint-expression>] E */
static struct demangle_component *
d_template_args_1 (struct d_info *di)
return NULL;
pal = &d_right (*pal);
- if (d_peek_char (di) == 'E')
- {
- d_advance (di, 1);
- break;
- }
+ char peek = d_peek_char (di);
+ if (peek == 'E' || peek == 'Q')
+ break;
}
+ al = d_maybe_constraints (di, al);
+
+ if (d_peek_char (di) != 'E')
+ return NULL;
+ d_advance (di, 1);
+
di->last_name = hold_last_name;
return al;
}
else
type = cplus_demangle_type (di);
- name = d_unqualified_name (di);
+ name = d_unqualified_name (di, type, NULL);
if (d_peek_char (di) == 'I')
name = d_make_comp (di, DEMANGLE_COMPONENT_TEMPLATE, name,
d_template_args (di));
- return d_make_comp (di, DEMANGLE_COMPONENT_QUAL_NAME, type, name);
+ return name;
}
/* <expression> ::= <(unary) operator-name> <expression>
::= cl <expression>+ E
::= st <type>
::= <template-param>
+ ::= u <source-name> <template-arg>* E # vendor extended expression
::= <unresolved-name>
::= <expr-primary>
/* operator-function-id, i.e. operator+(t). */
d_advance (di, 2);
- name = d_unqualified_name (di);
+ name = d_unqualified_name (di, NULL, NULL);
if (name == NULL)
return NULL;
if (d_peek_char (di) == 'I')
return d_make_comp (di, DEMANGLE_COMPONENT_INITIALIZER_LIST,
type, d_exprlist (di, 'E'));
}
+ else if (peek == 'u')
+ {
+ /* A vendor extended expression. */
+ struct demangle_component *name, *args;
+ d_advance (di, 1);
+ name = d_source_name (di);
+ args = d_template_args_1 (di);
+ return d_make_comp (di, DEMANGLE_COMPONENT_VENDOR_EXPR, name, args);
+ }
else
{
struct demangle_component *op;
/* fold-expression. */
left = d_operator_name (di);
else if (!strcmp (code, "di"))
- left = d_unqualified_name (di);
+ left = d_unqualified_name (di, NULL, NULL);
else
left = d_expression_1 (di);
if (!strcmp (code, "cl"))
d_unqualified_name rather than d_expression_1 here for
old mangled names that didn't add 'on' before operator
names. */
- right = d_unqualified_name (di);
+ right = d_unqualified_name (di, NULL, NULL);
if (d_peek_char (di) == 'I')
right = d_make_comp (di, DEMANGLE_COMPONENT_TEMPLATE,
right, d_template_args (di));
return NULL;
}
- name = d_name (di);
+ name = d_name (di, 0);
if (name
/* Lambdas and unnamed types have internal discriminators
return 1;
}
-/* <closure-type-name> ::= Ul <lambda-sig> E [ <nonnegative number> ] _ */
+/* <template-parm> ::= Ty
+ ::= Tn <type>
+ ::= Tt <template-head> E
+ ::= Tp <template-parm> */
static struct demangle_component *
-d_lambda (struct d_info *di)
+d_template_parm (struct d_info *di, int *bad)
{
- struct demangle_component *tl;
- struct demangle_component *ret;
- int num;
+ if (d_peek_char (di) != 'T')
+ return NULL;
+ struct demangle_component *op;
+ enum demangle_component_type kind;
+ switch (d_peek_next_char (di))
+ {
+ default:
+ return NULL;
+
+ case 'p': /* Pack */
+ d_advance (di, 2);
+ op = d_template_parm (di, bad);
+ kind = DEMANGLE_COMPONENT_TEMPLATE_PACK_PARM;
+ if (!op)
+ {
+ *bad = 1;
+ return NULL;
+ }
+ break;
+
+ case 'y': /* Typename */
+ d_advance (di, 2);
+ op = NULL;
+ kind = DEMANGLE_COMPONENT_TEMPLATE_TYPE_PARM;
+ break;
+
+ case 'n': /* Non-Type */
+ d_advance (di, 2);
+ op = cplus_demangle_type (di);
+ kind = DEMANGLE_COMPONENT_TEMPLATE_NON_TYPE_PARM;
+ if (!op)
+ {
+ *bad = 1;
+ return NULL;
+ }
+ break;
+
+ case 't': /* Template */
+ d_advance (di, 2);
+ op = d_template_head (di, bad);
+ kind = DEMANGLE_COMPONENT_TEMPLATE_TEMPLATE_PARM;
+ if (!op || !d_check_char (di, 'E'))
+ {
+ *bad = 1;
+ return NULL;
+ }
+ }
+
+ return d_make_comp (di, kind, op, NULL);
+}
+
+/* <template-head> ::= <template-head>? <template-parm> */
+
+static struct demangle_component *
+d_template_head (struct d_info *di, int *bad)
+{
+ struct demangle_component *res = NULL, **slot = &res;
+ struct demangle_component *op;
+
+ while ((op = d_template_parm (di, bad)))
+ {
+ *slot = op;
+ slot = &d_right (op);
+ }
+
+ /* Wrap it in a template head, to make concatenating with any parm list, and
+ printing simpler. */
+ if (res)
+ res = d_make_comp (di, DEMANGLE_COMPONENT_TEMPLATE_HEAD, res, NULL);
+
+ return res;
+}
+
+/* <closure-type-name> ::= Ul <template-head>? <lambda-sig> E [ <nonnegative number> ] _ */
+
+static struct demangle_component *
+d_lambda (struct d_info *di)
+{
if (! d_check_char (di, 'U'))
return NULL;
if (! d_check_char (di, 'l'))
return NULL;
- tl = d_parmlist (di);
+ int bad = 0;
+ struct demangle_component *head = d_template_head (di, &bad);
+ if (bad)
+ return NULL;
+
+ struct demangle_component *tl = d_parmlist (di);
if (tl == NULL)
return NULL;
+ if (head)
+ {
+ d_right (head) = tl;
+ tl = head;
+ }
if (! d_check_char (di, 'E'))
return NULL;
- num = d_compact_number (di);
+ int num = d_compact_number (di);
if (num < 0)
return NULL;
- ret = d_make_empty (di);
+ struct demangle_component *ret = d_make_empty (di);
if (ret)
{
ret->type = DEMANGLE_COMPONENT_LAMBDA;
const char *pend = suffix;
struct demangle_component *n;
- if (*pend == '.' && (IS_LOWER (pend[1]) || pend[1] == '_'))
+ if (*pend == '.' && (IS_LOWER (pend[1]) || IS_DIGIT (pend[1])
+ || pend[1] == '_'))
{
pend += 2;
- while (IS_LOWER (*pend) || *pend == '_')
+ while (IS_LOWER (*pend) || IS_DIGIT (*pend) || *pend == '_')
++pend;
}
while (*pend == '.' && IS_DIGIT (pend[1]))
case DEMANGLE_COMPONENT_FUNCTION_PARAM:
case DEMANGLE_COMPONENT_SUB_STD:
case DEMANGLE_COMPONENT_BUILTIN_TYPE:
+ case DEMANGLE_COMPONENT_EXTENDED_BUILTIN_TYPE:
case DEMANGLE_COMPONENT_OPERATOR:
case DEMANGLE_COMPONENT_CHARACTER:
case DEMANGLE_COMPONENT_NUMBER:
case DEMANGLE_COMPONENT_UNNAMED_TYPE:
+ case DEMANGLE_COMPONENT_STRUCTURED_BINDING:
+ case DEMANGLE_COMPONENT_MODULE_NAME:
+ case DEMANGLE_COMPONENT_MODULE_PARTITION:
+ case DEMANGLE_COMPONENT_MODULE_INIT:
+ case DEMANGLE_COMPONENT_FIXED_TYPE:
+ case DEMANGLE_COMPONENT_TEMPLATE_HEAD:
+ case DEMANGLE_COMPONENT_TEMPLATE_TYPE_PARM:
+ case DEMANGLE_COMPONENT_TEMPLATE_NON_TYPE_PARM:
+ case DEMANGLE_COMPONENT_TEMPLATE_TEMPLATE_PARM:
+ case DEMANGLE_COMPONENT_TEMPLATE_PACK_PARM:
break;
case DEMANGLE_COMPONENT_TEMPLATE:
case DEMANGLE_COMPONENT_TRINARY_ARG2:
case DEMANGLE_COMPONENT_LITERAL:
case DEMANGLE_COMPONENT_LITERAL_NEG:
+ case DEMANGLE_COMPONENT_VENDOR_EXPR:
case DEMANGLE_COMPONENT_JAVA_RESOURCE:
case DEMANGLE_COMPONENT_COMPOUND_NAME:
case DEMANGLE_COMPONENT_DECLTYPE:
case DEMANGLE_COMPONENT_PACK_EXPANSION:
case DEMANGLE_COMPONENT_TAGGED_NAME:
case DEMANGLE_COMPONENT_CLONE:
+ case DEMANGLE_COMPONENT_CONSTRAINTS:
recurse_left_right:
/* PR 89394 - Check for too much recursion. */
if (dpi->recursion > DEMANGLE_RECURSION_LIMIT)
d_count_templates_scopes (dpi, dc->u.s_extended_operator.name);
break;
- case DEMANGLE_COMPONENT_FIXED_TYPE:
- d_count_templates_scopes (dpi, dc->u.s_fixed.length);
- break;
-
case DEMANGLE_COMPONENT_GLOBAL_CONSTRUCTORS:
case DEMANGLE_COMPONENT_GLOBAL_DESTRUCTORS:
+ case DEMANGLE_COMPONENT_MODULE_ENTITY:
+ case DEMANGLE_COMPONENT_FRIEND:
d_count_templates_scopes (dpi, d_left (dc));
break;
dpi->demangle_failure = 0;
dpi->recursion = 0;
- dpi->is_lambda_arg = 0;
+ dpi->lambda_tpl_parms = 0;
dpi->component_stack = NULL;
case DEMANGLE_COMPONENT_TAGGED_NAME:
case DEMANGLE_COMPONENT_OPERATOR:
case DEMANGLE_COMPONENT_BUILTIN_TYPE:
+ case DEMANGLE_COMPONENT_EXTENDED_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;
return 1;
}
+static void
+d_print_lambda_parm_name (struct d_print_info *dpi, int type, unsigned index)
+{
+ const char *str;
+ switch (type)
+ {
+ default:
+ dpi->demangle_failure = 1;
+ str = "";
+ break;
+
+ case DEMANGLE_COMPONENT_TEMPLATE_TYPE_PARM:
+ str = "$T";
+ break;
+
+ case DEMANGLE_COMPONENT_TEMPLATE_NON_TYPE_PARM:
+ str = "$N";
+ break;
+
+ case DEMANGLE_COMPONENT_TEMPLATE_TEMPLATE_PARM:
+ str = "$TT";
+ break;
+ }
+ d_append_string (dpi, str);
+ d_append_num (dpi, index);
+}
+
/* Subroutine to handle components. */
static void
d_append_char (dpi, ']');
return;
+ case DEMANGLE_COMPONENT_STRUCTURED_BINDING:
+ d_append_char (dpi, '[');
+ for (;;)
+ {
+ d_print_comp (dpi, options, d_left (dc));
+ dc = d_right (dc);
+ if (!dc)
+ break;
+ d_append_string (dpi, ", ");
+ }
+ d_append_char (dpi, ']');
+ return;
+
+ case DEMANGLE_COMPONENT_MODULE_ENTITY:
+ d_print_comp (dpi, options, d_left (dc));
+ d_append_char (dpi, '@');
+ d_print_comp (dpi, options, d_right (dc));
+ return;
+
+ case DEMANGLE_COMPONENT_MODULE_NAME:
+ case DEMANGLE_COMPONENT_MODULE_PARTITION:
+ {
+ if (d_left (dc))
+ d_print_comp (dpi, options, d_left (dc));
+ char c = dc->type == DEMANGLE_COMPONENT_MODULE_PARTITION
+ ? ':' : d_left (dc) ? '.' : 0;
+ if (c)
+ d_append_char (dpi, c);
+ d_print_comp (dpi, options, d_right (dc));
+ }
+ return;
+
case DEMANGLE_COMPONENT_QUAL_NAME:
case DEMANGLE_COMPONENT_LOCAL_NAME:
d_print_comp (dpi, options, d_left (dc));
dpt.next = dpi->templates;
dpi->templates = &dpt;
dpt.template_decl = typed_name;
+
+ /* Constraints are mangled as part of the template argument list,
+ so they wrap the _TEMPLATE_ARGLIST. But
+ d_lookup_template_argument expects the RHS of _TEMPLATE to be
+ the _ARGLIST, and constraints need to refer to these args. So
+ move the _CONSTRAINTS out of the _TEMPLATE and onto the type.
+ This will result in them being printed after the () like a
+ trailing requires-clause, but that seems like our best option
+ given that we aren't printing a template-head. */
+ struct demangle_component *tnr = d_right (typed_name);
+ if (tnr->type == DEMANGLE_COMPONENT_CONSTRAINTS)
+ {
+ d_right (typed_name) = d_left (tnr);
+ d_left (tnr) = d_right (dc);
+ d_right (dc) = tnr;
+ }
}
d_print_comp (dpi, options, d_right (dc));
}
case DEMANGLE_COMPONENT_TEMPLATE_PARAM:
- if (dpi->is_lambda_arg)
+ if (dpi->lambda_tpl_parms > dc->u.s_number.number + 1)
+ {
+ const struct demangle_component *a
+ = d_left (dpi->templates->template_decl);
+ unsigned c;
+ for (c = dc->u.s_number.number; a && c; c--)
+ a = d_right (a);
+ if (a && a->type == DEMANGLE_COMPONENT_TEMPLATE_PACK_PARM)
+ a = d_left (a);
+ if (!a)
+ dpi->demangle_failure = 1;
+ else
+ d_print_lambda_parm_name (dpi, a->type, dc->u.s_number.number);
+ }
+ else if (dpi->lambda_tpl_parms)
{
/* Show the template parm index, as that's how g++ displays
these, and future proofs us against potential
d_print_comp (dpi, options, dc->u.s_dtor.name);
return;
+ case DEMANGLE_COMPONENT_MODULE_INIT:
+ d_append_string (dpi, "initializer for module ");
+ d_print_comp (dpi, options, d_left (dc));
+ return;
+
case DEMANGLE_COMPONENT_VTABLE:
d_append_string (dpi, "vtable for ");
d_print_comp (dpi, options, d_left (dc));
{
/* Handle reference smashing: & + && = &. */
struct demangle_component *sub = d_left (dc);
- if (!dpi->is_lambda_arg
+ if (!dpi->lambda_tpl_parms
&& sub->type == DEMANGLE_COMPONENT_TEMPLATE_PARAM)
{
struct d_saved_scope *scope = d_get_saved_scope (dpi, sub);
dc->u.s_builtin.type->java_len);
return;
+ case DEMANGLE_COMPONENT_EXTENDED_BUILTIN_TYPE:
+ d_append_buffer (dpi, dc->u.s_extended_builtin.type->name,
+ dc->u.s_extended_builtin.type->len);
+ d_append_num (dpi, dc->u.s_extended_builtin.arg);
+ if (dc->u.s_extended_builtin.suffix)
+ d_append_buffer (dpi, &dc->u.s_extended_builtin.suffix, 1);
+ return;
+
case DEMANGLE_COMPONENT_VENDOR_TYPE:
d_print_comp (dpi, options, d_left (dc));
return;
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, options, 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:
if (d_left (dc) != NULL)
}
case DEMANGLE_COMPONENT_EXTENDED_OPERATOR:
- {
- struct demangle_component *name = dc->u.s_extended_operator.name;
- if (name->type == DEMANGLE_COMPONENT_NAME
- && !strncmp (name->u.s_name.s, "__alignof__", name->u.s_name.len))
- d_print_comp (dpi, options, dc->u.s_extended_operator.name);
- else
- {
- d_append_string (dpi, "operator ");
- d_print_comp (dpi, options, dc->u.s_extended_operator.name);
- }
- return;
- }
+ d_append_string (dpi, "operator ");
+ d_print_comp (dpi, options, dc->u.s_extended_operator.name);
+ return;
case DEMANGLE_COMPONENT_CONVERSION:
d_append_string (dpi, "operator ");
if (code && !strcmp (code, "gs"))
/* Avoid parens after '::'. */
d_print_comp (dpi, options, operand);
- else if ((code && !strcmp (code, "st"))
- || (op->type == DEMANGLE_COMPONENT_EXTENDED_OPERATOR
- && (op->u.s_extended_operator.name->type
- == DEMANGLE_COMPONENT_NAME)
- && !strncmp (op->u.s_extended_operator.name->u.s_name.s,
- "__alignof__",
- op->u.s_extended_operator.name->u.s_name.len)))
- /* Always print parens for sizeof (type) and __alignof__. */
+ else if (code && (!strcmp (code, "st") || !strcmp (code, "nx")))
+ /* Always print parens for sizeof (type) and noexcept(expr). */
{
d_append_char (dpi, '(');
d_print_comp (dpi, options, operand);
}
return;
+ case DEMANGLE_COMPONENT_VENDOR_EXPR:
+ d_print_comp (dpi, options, d_left (dc));
+ d_append_char (dpi, '(');
+ d_print_comp (dpi, options, d_right (dc));
+ d_append_char (dpi, ')');
+ return;
+
case DEMANGLE_COMPONENT_NUMBER:
d_append_num (dpi, dc->u.s_number.number);
return;
case DEMANGLE_COMPONENT_PACK_EXPANSION:
{
- int len;
- int i;
- struct demangle_component *a = d_find_pack (dpi, d_left (dc));
+ struct demangle_component *a = NULL;
+
+ if (!dpi->lambda_tpl_parms)
+ a = d_find_pack (dpi, d_left (dc));
if (a == NULL)
{
/* d_find_pack won't find anything if the only packs involved
case, just print the pattern and "...". */
d_print_subexpr (dpi, options, d_left (dc));
d_append_string (dpi, "...");
- return;
}
-
- len = d_pack_length (a);
- dc = d_left (dc);
- for (i = 0; i < len; ++i)
+ else
{
- dpi->pack_index = i;
- d_print_comp (dpi, options, dc);
- if (i < len-1)
- d_append_string (dpi, ", ");
+ int len = d_pack_length (a);
+ int i;
+
+ dc = d_left (dc);
+ for (i = 0; i < len; ++i)
+ {
+ if (i)
+ d_append_string (dpi, ", ");
+ dpi->pack_index = i;
+ d_print_comp (dpi, options, dc);
+ }
}
}
return;
return;
case DEMANGLE_COMPONENT_LAMBDA:
- d_append_string (dpi, "{lambda(");
- /* Generic lambda auto parms are mangled as the template type
- parm they are. */
- dpi->is_lambda_arg++;
- d_print_comp (dpi, options, dc->u.s_unary_num.sub);
- dpi->is_lambda_arg--;
- d_append_string (dpi, ")#");
- d_append_num (dpi, dc->u.s_unary_num.num + 1);
- d_append_char (dpi, '}');
+ {
+ d_append_string (dpi, "{lambda");
+ struct demangle_component *parms = dc->u.s_unary_num.sub;
+ struct d_print_template dpt;
+ /* Generic lambda auto parms are mangled as the (synthedic) template
+ type parm they are. We need to tell the printer that (a) we're in
+ a lambda, and (b) the number of synthetic parms. */
+ int saved_tpl_parms = dpi->lambda_tpl_parms;
+ dpi->lambda_tpl_parms = 0;
+ /* Hang any lambda head as-if template args. */
+ dpt.template_decl = NULL;
+ dpt.next = dpi->templates;
+ dpi->templates = &dpt;
+ if (parms && parms->type == DEMANGLE_COMPONENT_TEMPLATE_HEAD)
+ {
+ dpt.template_decl = parms;
+
+ d_append_char (dpi, '<');
+ struct demangle_component *parm;
+ for (parm = d_left (parms); parm; parm = d_right (parm))
+ {
+ if (dpi->lambda_tpl_parms++)
+ d_append_string (dpi, ", ");
+ d_print_comp (dpi, options, parm);
+ d_append_char (dpi, ' ');
+ if (parm->type == DEMANGLE_COMPONENT_TEMPLATE_PACK_PARM)
+ parm = d_left (parm);
+ d_print_lambda_parm_name (dpi, parm->type,
+ dpi->lambda_tpl_parms - 1);
+ }
+ d_append_char (dpi, '>');
+
+ parms = d_right (parms);
+ }
+ dpi->lambda_tpl_parms++;
+
+ d_append_char (dpi, '(');
+ d_print_comp (dpi, options, parms);
+ dpi->lambda_tpl_parms = saved_tpl_parms;
+ dpi->templates = dpt.next;
+ 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_char (dpi, ']');
return;
+ case DEMANGLE_COMPONENT_FRIEND:
+ d_print_comp (dpi, options, d_left (dc));
+ d_append_string (dpi, "[friend]");
+ return;
+
+ case DEMANGLE_COMPONENT_TEMPLATE_HEAD:
+ {
+ d_append_char (dpi, '<');
+ int count = 0;
+ struct demangle_component *parm;
+ for (parm = d_left (dc); parm; parm = d_right (parm))
+ {
+ if (count++)
+ d_append_string (dpi, ", ");
+ d_print_comp (dpi, options, parm);
+ }
+ d_append_char (dpi, '>');
+ }
+ return;
+
+ case DEMANGLE_COMPONENT_TEMPLATE_TYPE_PARM:
+ d_append_string (dpi, "typename");
+ return;
+
+ case DEMANGLE_COMPONENT_TEMPLATE_NON_TYPE_PARM:
+ d_print_comp (dpi, options, d_left (dc));
+ return;
+
+ case DEMANGLE_COMPONENT_TEMPLATE_TEMPLATE_PARM:
+ d_append_string (dpi, "template");
+ d_print_comp (dpi, options, d_left (dc));
+ d_append_string (dpi, " class");
+ return;
+
+ case DEMANGLE_COMPONENT_TEMPLATE_PACK_PARM:
+ d_print_comp (dpi, options, d_left (dc));
+ d_append_string (dpi, "...");
+ return;
+
+ case DEMANGLE_COMPONENT_CONSTRAINTS:
+ d_print_comp (dpi, options, d_left (dc));
+ d_append_string (dpi, " requires ");
+ d_print_comp (dpi, options, d_right (dc));
+ return;
+
default:
d_print_error (dpi);
return;
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)));
-
- /* 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;
+ d_print_comp (dpi, options, d_left (dc));
- if (d_last_char (dpi) == '<')
- d_append_char (dpi, ' ');
- d_append_char (dpi, '<');
- d_print_comp (dpi, options, d_right (d_left (dc)));
- /* Avoid generating two consecutive '>' characters, to avoid
- the C++ syntactic ambiguity. */
- if (d_last_char (dpi) == '>')
- d_append_char (dpi, ' ');
- d_append_char (dpi, '>');
- }
+ if (dpi->current_template != NULL)
+ dpi->templates = dpt.next;
}
/* Initialize the information structure we use to pass around
projects / thirdparty / gcc.git / blobdiff