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Demangle C++11 ref-qualifier. 

include/
	* demangle.h (enum demangle_component_type): Add
	DEMANGLE_COMPONENT_REFERENCE_THIS,
	DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS.
libiberty/
	* cp-demangle.c (d_ref_qualifier): New.
	(d_nested_name, d_function_type): Use it.
	(d_parmlist): Don't get confused by a ref-qualifier.
	(cplus_demangle_type): Reorder ref-qualifier.
	(d_pointer_to_member_type): Likewise.
	(d_dump): Handle DEMANGLE_COMPONENT_REFERENCE_THIS and
	DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS.
	(d_make_comp, has_return_type, d_encoding): Likewise.
	(d_print_comp, d_print_mod_list, d_print_mod): Likewise.
	(d_print_function_type, is_ctor_or_dtor): Likewise.

From-SVN: r197436
This commit is contained in:
Jason Merrill 2013-04-03 13:24:12 -04:00 committed by Jason Merrill
parent 9d821fa520
commit 9eb85f2724
5 changed files with 163 additions and 13 deletions
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7
include/ChangeLog
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@ -1,3 +1,10 @@
2013-04-03 Jason Merrill <jason@redhat.com>
Demangle C++11 ref-qualifier.
* demangle.h (enum demangle_component_type): Add
DEMANGLE_COMPONENT_REFERENCE_THIS,
DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS.
2013-03-01 Cary Coutant <ccoutant@google.com>
* dwarf2.h (enum dwarf_sect): New enum type.

6
include/demangle.h
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@ -302,6 +302,12 @@ enum demangle_component_type
/* The const qualifier modifying a member function. The one subtree
is the type which is being qualified. */
DEMANGLE_COMPONENT_CONST_THIS,
/* C++11 A reference modifying a member function. The one subtree is the
type which is being referenced. */
DEMANGLE_COMPONENT_REFERENCE_THIS,
/* C++11: An rvalue reference modifying a member function. The one
subtree is the type which is being referenced. */
DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS,
/* A vendor qualifier. The left subtree is the type which is being
qualified, and the right subtree is the name of the
qualifier. */

14
libiberty/ChangeLog
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@ -1,3 +1,17 @@
2013-04-03 Jason Merrill <jason@redhat.com>
Demangle C++11 ref-qualifier.
* cp-demangle.c (d_ref_qualifier): New.
(d_nested_name, d_function_type): Use it.
(d_parmlist): Don't get confused by a ref-qualifier.
(cplus_demangle_type): Reorder ref-qualifier.
(d_pointer_to_member_type): Likewise.
(d_dump): Handle DEMANGLE_COMPONENT_REFERENCE_THIS and
DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS.
(d_make_comp, has_return_type, d_encoding): Likewise.
(d_print_comp, d_print_mod_list, d_print_mod): Likewise.
(d_print_function_type, is_ctor_or_dtor): Likewise.
2013-03-27 Kai Tietz <ktietz@redhat.com>
* configure: Regenerated.

137
libiberty/cp-demangle.c
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@ -381,6 +381,9 @@ static struct demangle_component *d_ctor_dtor_name (struct d_info *);
static struct demangle_component **
d_cv_qualifiers (struct d_info *, struct demangle_component **, int);
static struct demangle_component *
d_ref_qualifier (struct d_info *, struct demangle_component *);
static struct demangle_component *
d_function_type (struct d_info *);
@ -614,6 +617,12 @@ d_dump (struct demangle_component *dc, int indent)
case DEMANGLE_COMPONENT_CONST_THIS:
printf ("const this\n");
break;
case DEMANGLE_COMPONENT_REFERENCE_THIS:
printf ("reference this\n");
break;
case DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS:
printf ("rvalue reference this\n");
break;
case DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL:
printf ("vendor type qualifier\n");
break;
@ -893,6 +902,8 @@ 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_REFERENCE_THIS:
case DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS:
case DEMANGLE_COMPONENT_ARGLIST:
case DEMANGLE_COMPONENT_TEMPLATE_ARGLIST:
break;
@ -1131,6 +1142,8 @@ has_return_type (struct demangle_component *dc)
case DEMANGLE_COMPONENT_RESTRICT_THIS:
case DEMANGLE_COMPONENT_VOLATILE_THIS:
case DEMANGLE_COMPONENT_CONST_THIS:
case DEMANGLE_COMPONENT_REFERENCE_THIS:
case DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS:
return has_return_type (d_left (dc));
}
}
@ -1186,7 +1199,9 @@ d_encoding (struct d_info *di, int top_level)
v2 demangler without DMGL_PARAMS. */
while (dc->type == DEMANGLE_COMPONENT_RESTRICT_THIS
|| dc->type == DEMANGLE_COMPONENT_VOLATILE_THIS
|| dc->type == DEMANGLE_COMPONENT_CONST_THIS)
|| dc->type == DEMANGLE_COMPONENT_CONST_THIS
|| dc->type == DEMANGLE_COMPONENT_REFERENCE_THIS
|| dc->type == DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS)
dc = d_left (dc);
/* If the top level is a DEMANGLE_COMPONENT_LOCAL_NAME, then
@ -1200,7 +1215,9 @@ d_encoding (struct d_info *di, int top_level)
dcr = d_right (dc);
while (dcr->type == DEMANGLE_COMPONENT_RESTRICT_THIS
|| dcr->type == DEMANGLE_COMPONENT_VOLATILE_THIS
|| dcr->type == DEMANGLE_COMPONENT_CONST_THIS)
|| dcr->type == DEMANGLE_COMPONENT_CONST_THIS
|| dcr->type == DEMANGLE_COMPONENT_REFERENCE_THIS
|| dcr->type == DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS)
dcr = d_left (dcr);
dc->u.s_binary.right = dcr;
}
@ -1322,8 +1339,8 @@ d_name (struct d_info *di)
}
}
/* <nested-name> ::= N [<CV-qualifiers>] <prefix> <unqualified-name> E
::= N [<CV-qualifiers>] <template-prefix> <template-args> E
/* <nested-name> ::= N [<CV-qualifiers>] [<ref-qualifier>] <prefix> <unqualified-name> E
::= N [<CV-qualifiers>] [<ref-qualifier>] <template-prefix> <template-args> E
*/
static struct demangle_component *
@ -1331,6 +1348,7 @@ d_nested_name (struct d_info *di)
{
struct demangle_component *ret;
struct demangle_component **pret;
struct demangle_component *rqual;
if (! d_check_char (di, 'N'))
return NULL;
@ -1339,10 +1357,20 @@ d_nested_name (struct d_info *di)
if (pret == NULL)
return NULL;
/* Parse the ref-qualifier now and then attach it
once we have something to attach it to. */
rqual = d_ref_qualifier (di, NULL);
*pret = d_prefix (di);
if (*pret == NULL)
return NULL;
if (rqual)
{
d_left (rqual) = ret;
ret = rqual;
}
if (! d_check_char (di, 'E'))
return NULL;
@ -2171,7 +2199,19 @@ cplus_demangle_type (struct d_info *di)
if (pret == NULL)
return NULL;
*pret = cplus_demangle_type (di);
if (! *pret || ! d_add_substitution (di, ret))
if (! *pret)
return NULL;
if ((*pret)->type == DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS
|| (*pret)->type == DEMANGLE_COMPONENT_REFERENCE_THIS)
{
/* Move the ref-qualifier outside the cv-qualifiers so that
they are printed in the right order. */
struct demangle_component *fn = d_left (*pret);
d_left (*pret) = ret;
ret = *pret;
*pret = fn;
}
if (! d_add_substitution (di, ret))
return NULL;
return ret;
}
@ -2474,7 +2514,38 @@ d_cv_qualifiers (struct d_info *di,
return pret;
}
/* <function-type> ::= F [Y] <bare-function-type> E */
/* <ref-qualifier> ::= R
::= O */
static struct demangle_component *
d_ref_qualifier (struct d_info *di, struct demangle_component *sub)
{
struct demangle_component *ret = sub;
char peek;
peek = d_peek_char (di);
if (peek == 'R' || peek == 'O')
{
enum demangle_component_type t;
if (peek == 'R')
{
t = DEMANGLE_COMPONENT_REFERENCE_THIS;
di->expansion += sizeof "&";
}
else
{
t = DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS;
di->expansion += sizeof "&&";
}
d_advance (di, 1);
ret = d_make_comp (di, t, ret, NULL);
}
return ret;
}
/* <function-type> ::= F [Y] <bare-function-type> [<ref-qualifier>] E */
static struct demangle_component *
d_function_type (struct d_info *di)
@ -2490,6 +2561,8 @@ d_function_type (struct d_info *di)
d_advance (di, 1);
}
ret = d_bare_function_type (di, 1);
ret = d_ref_qualifier (di, ret);
if (! d_check_char (di, 'E'))
return NULL;
return ret;
@ -2512,6 +2585,10 @@ d_parmlist (struct d_info *di)
char peek = d_peek_char (di);
if (peek == '\0' || peek == 'E' || peek == '.')
break;
if ((peek == 'R' || peek == 'O')
&& d_peek_next_char (di) == 'E')
/* Function ref-qualifier, not a ref prefix for a parameter type. */
break;
type = cplus_demangle_type (di);
if (type == NULL)
return NULL;
@ -2692,6 +2769,18 @@ d_pointer_to_member_type (struct d_info *di)
if (*pmem == NULL)
return NULL;
if (pmem != &mem
&& ((*pmem)->type == DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS
|| (*pmem)->type == DEMANGLE_COMPONENT_REFERENCE_THIS))
{
/* Move the ref-qualifier outside the cv-qualifiers so that
they are printed in the right order. */
struct demangle_component *fn = d_left (*pmem);
d_left (*pmem) = mem;
mem = *pmem;
*pmem = fn;
}
if (pmem != &mem && (*pmem)->type != DEMANGLE_COMPONENT_FUNCTION_TYPE)
{
if (! d_add_substitution (di, mem))
@ -3923,7 +4012,9 @@ d_print_comp (struct d_print_info *dpi, int options,
if (typed_name->type != DEMANGLE_COMPONENT_RESTRICT_THIS
&& typed_name->type != DEMANGLE_COMPONENT_VOLATILE_THIS
&& typed_name->type != DEMANGLE_COMPONENT_CONST_THIS)
&& typed_name->type != DEMANGLE_COMPONENT_CONST_THIS
&& typed_name->type != DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS
&& typed_name->type != DEMANGLE_COMPONENT_REFERENCE_THIS)
break;
typed_name = d_left (typed_name);
@ -3957,7 +4048,10 @@ d_print_comp (struct d_print_info *dpi, int options,
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)
|| local_name->type == DEMANGLE_COMPONENT_CONST_THIS
|| local_name->type == DEMANGLE_COMPONENT_REFERENCE_THIS
|| (local_name->type
== DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS))
{
if (i >= sizeof adpm / sizeof adpm[0])
{
@ -4234,6 +4328,8 @@ d_print_comp (struct d_print_info *dpi, int options,
case DEMANGLE_COMPONENT_RESTRICT_THIS:
case DEMANGLE_COMPONENT_VOLATILE_THIS:
case DEMANGLE_COMPONENT_CONST_THIS:
case DEMANGLE_COMPONENT_REFERENCE_THIS:
case DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS:
case DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL:
case DEMANGLE_COMPONENT_POINTER:
case DEMANGLE_COMPONENT_COMPLEX:
@ -4906,7 +5002,10 @@ d_print_mod_list (struct d_print_info *dpi, int options,
|| (! suffix
&& (mods->mod->type == DEMANGLE_COMPONENT_RESTRICT_THIS
|| mods->mod->type == DEMANGLE_COMPONENT_VOLATILE_THIS
|| mods->mod->type == DEMANGLE_COMPONENT_CONST_THIS)))
|| mods->mod->type == DEMANGLE_COMPONENT_CONST_THIS
|| mods->mod->type == DEMANGLE_COMPONENT_REFERENCE_THIS
|| (mods->mod->type
== DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS))))
{
d_print_mod_list (dpi, options, mods->next, suffix);
return;
@ -4961,7 +5060,9 @@ d_print_mod_list (struct d_print_info *dpi, int options,
while (dc->type == DEMANGLE_COMPONENT_RESTRICT_THIS
|| dc->type == DEMANGLE_COMPONENT_VOLATILE_THIS
|| dc->type == DEMANGLE_COMPONENT_CONST_THIS)
|| dc->type == DEMANGLE_COMPONENT_CONST_THIS
|| dc->type == DEMANGLE_COMPONENT_REFERENCE_THIS
|| dc->type == DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS)
dc = d_left (dc);
d_print_comp (dpi, options, dc);
@ -5006,9 +5107,14 @@ d_print_mod (struct d_print_info *dpi, int options,
if ((options & DMGL_JAVA) == 0)
d_append_char (dpi, '*');
return;
case DEMANGLE_COMPONENT_REFERENCE_THIS:
/* For the ref-qualifier, put a space before the &. */
d_append_char (dpi, ' ');
case DEMANGLE_COMPONENT_REFERENCE:
d_append_char (dpi, '&');
return;
case DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS:
d_append_char (dpi, ' ');
case DEMANGLE_COMPONENT_RVALUE_REFERENCE:
d_append_string (dpi, "&&");
return;
@ -5080,6 +5186,8 @@ d_print_function_type (struct d_print_info *dpi, int options,
case DEMANGLE_COMPONENT_RESTRICT_THIS:
case DEMANGLE_COMPONENT_VOLATILE_THIS:
case DEMANGLE_COMPONENT_CONST_THIS:
case DEMANGLE_COMPONENT_REFERENCE_THIS:
case DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS:
break;
default:
break;
@ -5600,14 +5708,17 @@ is_ctor_or_dtor (const char *mangled,
{
switch (dc->type)
{
/* These cannot appear on a constructor or destructor. */
case DEMANGLE_COMPONENT_RESTRICT_THIS:
case DEMANGLE_COMPONENT_VOLATILE_THIS:
case DEMANGLE_COMPONENT_CONST_THIS:
case DEMANGLE_COMPONENT_REFERENCE_THIS:
case DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS:
default:
dc = NULL;
break;
case DEMANGLE_COMPONENT_TYPED_NAME:
case DEMANGLE_COMPONENT_TEMPLATE:
case DEMANGLE_COMPONENT_RESTRICT_THIS:
case DEMANGLE_COMPONENT_VOLATILE_THIS:
case DEMANGLE_COMPONENT_CONST_THIS:
dc = d_left (dc);
break;
case DEMANGLE_COMPONENT_QUAL_NAME:

12
libiberty/testsuite/demangle-expected
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