/* Demangler for g++ V3 ABI.
- Copyright (C) 2003-2019 Free Software Foundation, Inc.
+ Copyright (C) 2003-2022 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.
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 struct demangle_component *d_prefix (struct d_info *);
+static int d_maybe_module_name (struct d_info *, struct demangle_component **);
-static struct demangle_component *d_unqualified_name (struct d_info *);
+static struct demangle_component *d_prefix (struct d_info *, int);
+
+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 void
d_print_init (struct d_print_info *, demangle_callbackref, void *,
- const struct demangle_component *);
+ struct demangle_component *);
static inline void d_print_error (struct d_print_info *);
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;
if (p == NULL || s == NULL || len <= 0)
return 0;
p->d_printing = 0;
+ p->d_counting = 0;
p->type = DEMANGLE_COMPONENT_NAME;
p->u.s_name.s = s;
p->u.s_name.len = len;
if (p == NULL || args < 0 || name == NULL)
return 0;
p->d_printing = 0;
+ p->d_counting = 0;
p->type = DEMANGLE_COMPONENT_EXTENDED_OPERATOR;
p->u.s_extended_operator.args = args;
p->u.s_extended_operator.name = name;
|| (int) kind > gnu_v3_object_ctor_group)
return 0;
p->d_printing = 0;
+ p->d_counting = 0;
p->type = DEMANGLE_COMPONENT_CTOR;
p->u.s_ctor.kind = kind;
p->u.s_ctor.name = name;
|| (int) kind > gnu_v3_object_dtor_group)
return 0;
p->d_printing = 0;
+ p->d_counting = 0;
p->type = DEMANGLE_COMPONENT_DTOR;
p->u.s_dtor.kind = kind;
p->u.s_dtor.name = name;
return NULL;
p = &di->comps[di->next_comp];
p->d_printing = 0;
+ p->d_counting = 0;
++di->next_comp;
return p;
}
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:
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:
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;
dc = d_special_name (di);
else
{
- dc = d_name (di);
+ dc = d_name (di, 0);
if (!dc)
/* Failed already. */;
*/
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')
+ if (d_peek_char (di) == 'S')
{
- /* 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
- {
- /* 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
once we have something to attach it to. */
rqual = d_ref_qualifier (di, NULL);
- *pret = d_prefix (di);
+ *pret = d_prefix (di, 1);
if (*pret == NULL)
return NULL;
<template-prefix> ::= <prefix> <(template) unqualified-name>
::= <template-param>
::= <substitution>
-*/
+
+ SUBST is true if we should add substitutions (as normal), false
+ if not (in an unresolved-name). */
static struct demangle_component *
-d_prefix (struct d_info *di)
+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;
+ {
+ if (ret)
+ return NULL;
+ ret = d_template_param (di);
+ }
else if (peek == 'M')
{
/* Initializer scope for a lambda. We don't need to represent
if (ret == NULL)
return NULL;
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')
+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>] <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;
+ if (!d_maybe_module_name (di, &module))
+ return NULL;
+
peek = d_peek_char (di);
if (IS_DIGIT (peek))
ret = d_source_name (di);
else if (IS_LOWER (peek))
{
+ int was_expr = di->is_expression;
if (peek == 'o' && d_peek_next_char (di) == 'n')
- d_advance (di, 2);
+ {
+ d_advance (di, 2);
+ /* Treat cv as naming a conversion operator. */
+ di->is_expression = 0;
+ }
ret = d_operator_name (di);
+ di->is_expression = was_expr;
if (ret != NULL && ret->type == DEMANGLE_COMPONENT_OPERATOR)
{
di->expansion += sizeof "operator" + ret->u.s_operator.op->len - 2;
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 (scope)
+ ret = d_make_comp (di, DEMANGLE_COMPONENT_QUAL_NAME, scope, ret);
+
return ret;
}
}
if (ret > ((INT_MAX - (peek - '0')) / 10))
return -1;
- ret = ret * 10 + peek - '0';
+ ret = ret * 10 + (peek - '0');
d_advance (di, 1);
peek = d_peek_char (di);
}
{ "ad", NL ("&"), 1 },
{ "an", NL ("&"), 2 },
{ "at", NL ("alignof "), 1 },
+ { "aw", NL ("co_await "), 1 },
{ "az", NL ("alignof "), 1 },
{ "cc", NL ("const_cast"), 2 },
{ "cl", NL ("()"), 2 },
{ "cm", NL (","), 2 },
{ "co", NL ("~"), 1 },
{ "dV", NL ("/="), 2 },
+ { "dX", NL ("[...]="), 3 }, /* [expr...expr] = expr */
{ "da", NL ("delete[] "), 1 },
{ "dc", NL ("dynamic_cast"), 2 },
{ "de", NL ("*"), 1 },
+ { "di", NL ("="), 2 }, /* .name = expr */
{ "dl", NL ("delete "), 1 },
{ "ds", NL (".*"), 2 },
{ "dt", NL ("."), 2 },
{ "dv", NL ("/"), 2 },
+ { "dx", NL ("]="), 2 }, /* [expr] = expr */
{ "eO", NL ("^="), 2 },
{ "eo", NL ("^"), 2 },
{ "eq", NL ("=="), 2 },
{ "sP", NL ("sizeof..."), 1 },
{ "sZ", NL ("sizeof..."), 1 },
{ "sc", NL ("static_cast"), 2 },
+ { "ss", NL ("<=>"), 2 },
{ "st", NL ("sizeof "), 1 },
{ "sz", NL ("sizeof "), 1 },
{ "tr", NL ("throw"), 0 },
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))
{
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;
default:
- return NULL;
+ return d_class_enum_type (di, 1);
}
if (can_subst)
/* <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>
|| code[0] == 'c' || code[0] == 'r'));
}
+/* <unresolved-name> ::= [gs] <base-unresolved-name> # x or (with "gs") ::x
+ ::= sr <unresolved-type> <base-unresolved-name> # T::x / decltype(p)::x
+ # T::N::x /decltype(p)::N::x
+ ::= srN <unresolved-type> <unresolved-qualifier-level>+ E <base-unresolved-name>
+ # A::x, N::y, A<T>::z; "gs" means leading "::"
+ ::= [gs] sr <unresolved-qualifier-level>+ E <base-unresolved-name>
+
+ "gs" is handled elsewhere, as a unary operator. */
+
+static struct demangle_component *
+d_unresolved_name (struct d_info *di)
+{
+ struct demangle_component *type;
+ struct demangle_component *name;
+ char peek;
+
+ /* Consume the "sr". */
+ d_advance (di, 2);
+
+ peek = d_peek_char (di);
+ if (di->unresolved_name_state
+ && (IS_DIGIT (peek)
+ || IS_LOWER (peek)
+ || peek == 'C'
+ || peek == 'U'
+ || peek == 'L'))
+ {
+ /* The third production is ambiguous with the old unresolved-name syntax
+ of <type> <base-unresolved-name>; in the old mangling, A::x was mangled
+ as sr1A1x, now sr1AE1x. So we first try to demangle using the new
+ mangling, then with the old if that fails. */
+ di->unresolved_name_state = -1;
+ type = d_prefix (di, 0);
+ if (d_peek_char (di) == 'E')
+ d_advance (di, 1);
+ }
+ else
+ type = cplus_demangle_type (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 name;
+}
+
/* <expression> ::= <(unary) operator-name> <expression>
::= <(binary) operator-name> <expression> <expression>
::= <(trinary) operator-name> <expression> <expression> <expression>
::= cl <expression>+ E
::= st <type>
::= <template-param>
- ::= sr <type> <unqualified-name>
- ::= sr <type> <unqualified-name> <template-args>
+ ::= u <source-name> <template-arg>* E # vendor extended expression
+ ::= <unresolved-name>
::= <expr-primary>
+
+ <braced-expression> ::= <expression>
+ ::= di <field source-name> <braced-expression> # .name = expr
+ ::= dx <index expression> <braced-expression> # [expr] = expr
+ ::= dX <range begin expression> <range end expression> <braced-expression>
+ # [expr ... expr] = expr
*/
-static inline struct demangle_component *
+static struct demangle_component *
d_expression_1 (struct d_info *di)
{
char peek;
else if (peek == 'T')
return d_template_param (di);
else if (peek == 's' && d_peek_next_char (di) == 'r')
- {
- struct demangle_component *type;
- struct demangle_component *name;
-
- d_advance (di, 2);
- type = cplus_demangle_type (di);
- name = d_unqualified_name (di);
- if (d_peek_char (di) != 'I')
- return d_make_comp (di, DEMANGLE_COMPONENT_QUAL_NAME, type, name);
- else
- return d_make_comp (di, DEMANGLE_COMPONENT_QUAL_NAME, type,
- d_make_comp (di, DEMANGLE_COMPONENT_TEMPLATE, name,
- d_template_args (di)));
- }
+ return d_unresolved_name (di);
else if (peek == 's' && d_peek_next_char (di) == 'p')
{
d_advance (di, 2);
/* 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;
else if (code[0] == 'f')
/* fold-expression. */
left = d_operator_name (di);
+ else if (!strcmp (code, "di"))
+ left = d_unqualified_name (di, NULL, NULL);
else
left = d_expression_1 (di);
if (!strcmp (code, "cl"))
right = d_exprlist (di, 'E');
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));
+ peek = d_peek_char (di);
+ /* These codes start a qualified name. */
+ if ((peek == 'g' && d_peek_next_char (di) == 's')
+ || (peek == 's' && d_peek_next_char (di) == 'r'))
+ right = d_expression_1 (di);
+ else
+ {
+ /* Otherwise it's an unqualified name. We use
+ 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, NULL, NULL);
+ if (d_peek_char (di) == 'I')
+ right = d_make_comp (di, DEMANGLE_COMPONENT_TEMPLATE,
+ right, d_template_args (di));
+ }
}
else
right = d_expression_1 (di);
if (code == NULL)
return NULL;
- else if (!strcmp (code, "qu"))
+ else if (!strcmp (code, "qu")
+ || !strcmp (code, "dX"))
{
/* ?: expression. */
first = d_expression_1 (di);
&& type->u.s_builtin.type->print != D_PRINT_DEFAULT)
di->expansion -= type->u.s_builtin.type->len;
+ if (type->type == DEMANGLE_COMPONENT_BUILTIN_TYPE
+ && strcmp (type->u.s_builtin.type->name,
+ cplus_demangle_builtin_types[33].name) == 0)
+ {
+ if (d_peek_char (di) == 'E')
+ {
+ d_advance (di, 1);
+ return type;
+ }
+ }
+
/* Rather than try to interpret the literal value, we just
collect it as a string. Note that it's possible to have a
floating point literal here. The ABI specifies that the
return NULL;
}
- name = d_name (di);
+ name = d_name (di, 0);
if (name
/* Lambdas and unnamed types have internal discriminators
ret->u.s_unary_num.num = num;
}
- if (! d_add_substitution (di, ret))
- return NULL;
-
return ret;
}
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]))
static void
d_count_templates_scopes (struct d_print_info *dpi,
- const struct demangle_component *dc)
+ struct demangle_component *dc)
{
- if (dc == NULL)
+ if (dc == NULL || dc->d_counting > 1 || dpi->recursion > MAX_RECURSION_COUNT)
return;
+ ++ dc->d_counting;
+
switch (dc->type)
{
case DEMANGLE_COMPONENT_NAME:
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:
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_GLOBAL_CONSTRUCTORS:
case DEMANGLE_COMPONENT_GLOBAL_DESTRUCTORS:
+ case DEMANGLE_COMPONENT_MODULE_ENTITY:
d_count_templates_scopes (dpi, d_left (dc));
break;
static void
d_print_init (struct d_print_info *dpi, demangle_callbackref callback,
- void *opaque, const struct demangle_component *dc)
+ void *opaque, struct demangle_component *dc)
{
dpi->len = 0;
dpi->last_char = '\0';
return 1;
}
+/* True iff DC represents a C99-style designated initializer. */
+
+static int
+is_designated_init (struct demangle_component *dc)
+{
+ if (dc->type != DEMANGLE_COMPONENT_BINARY
+ && dc->type != DEMANGLE_COMPONENT_TRINARY)
+ return 0;
+
+ struct demangle_component *op = d_left (dc);
+ const char *code = op->u.s_operator.op->code;
+ return (code[0] == 'd'
+ && (code[1] == 'i' || code[1] == 'x' || code[1] == 'X'));
+}
+
+/* If DC represents a C99-style designated initializer, print it and return
+ true; otherwise, return false. */
+
+static int
+d_maybe_print_designated_init (struct d_print_info *dpi, int options,
+ struct demangle_component *dc)
+{
+ if (!is_designated_init (dc))
+ return 0;
+
+ const char *code = d_left (dc)->u.s_operator.op->code;
+
+ struct demangle_component *operands = d_right (dc);
+ struct demangle_component *op1 = d_left (operands);
+ struct demangle_component *op2 = d_right (operands);
+
+ if (code[1] == 'i')
+ d_append_char (dpi, '.');
+ else
+ d_append_char (dpi, '[');
+
+ d_print_comp (dpi, options, op1);
+ if (code[1] == 'X')
+ {
+ d_append_string (dpi, " ... ");
+ d_print_comp (dpi, options, d_left (op2));
+ op2 = d_right (op2);
+ }
+ if (code[1] != 'i')
+ d_append_char (dpi, ']');
+ if (is_designated_init (op2))
+ {
+ /* Don't put '=' or '(' between chained designators. */
+ d_print_comp (dpi, options, op2);
+ }
+ else
+ {
+ d_append_char (dpi, '=');
+ d_print_subexpr (dpi, options, op2);
+ }
+ return 1;
+}
+
/* 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));
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));
if (d_maybe_print_fold_expression (dpi, options, dc))
return;
+ if (d_maybe_print_designated_init (dpi, options, dc))
+ 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. */
}
if (d_maybe_print_fold_expression (dpi, options, dc))
return;
+ if (d_maybe_print_designated_init (dpi, options, dc))
+ return;
{
struct demangle_component *op = d_left (dc);
struct demangle_component *first = d_left (d_right (dc));
}
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;
d_append_string (dpi, "&&");
return;
case DEMANGLE_COMPONENT_COMPLEX:
- d_append_string (dpi, "complex ");
+ d_append_string (dpi, " _Complex");
return;
case DEMANGLE_COMPONENT_IMAGINARY:
- d_append_string (dpi, "imaginary ");
+ d_append_string (dpi, " _Imaginary");
return;
case DEMANGLE_COMPONENT_PTRMEM_TYPE:
if (d_last_char (dpi) != '(')
type = DCT_TYPE;
}
+ di.unresolved_name_state = 1;
+
+ again:
cplus_demangle_init_info (mangled, options, strlen (mangled), &di);
/* PR 87675 - Check for a mangled string that is so long
if (((options & DMGL_PARAMS) != 0) && d_peek_char (&di) != '\0')
dc = NULL;
+ /* See discussion in d_unresolved_name. */
+ if (dc == NULL && di.unresolved_name_state == -1)
+ {
+ di.unresolved_name_state = 0;
+ goto again;
+ }
+
#ifdef CP_DEMANGLE_DEBUG
d_dump (dc, 0);
#endif
projects / binutils-gdb.git / blobdiff