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Diffstat (limited to 'libiberty/cp-demangle.c')
-rw-r--r--libiberty/cp-demangle.c134
1 files changed, 125 insertions, 9 deletions
diff --git a/libiberty/cp-demangle.c b/libiberty/cp-demangle.c
index 82107bc3548..3d292f07d0a 100644
--- a/libiberty/cp-demangle.c
+++ b/libiberty/cp-demangle.c
@@ -660,6 +660,9 @@ 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;
}
d_dump (d_left (dc), indent + 2);
@@ -807,6 +810,7 @@ d_make_comp (struct d_info *di, enum demangle_component_type type,
case DEMANGLE_COMPONENT_TEMPLATE_ARGLIST:
case DEMANGLE_COMPONENT_CAST:
case DEMANGLE_COMPONENT_JAVA_RESOURCE:
+ case DEMANGLE_COMPONENT_DECLTYPE:
if (left == NULL)
return NULL;
break;
@@ -1422,7 +1426,7 @@ 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 },
@@ -1871,12 +1875,15 @@ cplus_demangle_builtin_types[D_BUILTIN_TYPE_COUNT] =
/* n */ { NL ("__int128"), NL ("__int128"), D_PRINT_DEFAULT },
/* o */ { NL ("unsigned __int128"), NL ("unsigned __int128"),
D_PRINT_DEFAULT },
- /* p */ { NULL, 0, NULL, 0, D_PRINT_DEFAULT },
- /* q */ { NULL, 0, NULL, 0, D_PRINT_DEFAULT },
- /* r */ { NULL, 0, NULL, 0, D_PRINT_DEFAULT },
+ /* The decimal floating point and half-precision floating point types
+ don't use the normal builtin type encoding, they're just stuck into
+ holes in the table for convenience. */
+ /* p */ { NL ("decimal32"), NL ("decimal32"), D_PRINT_DEFAULT },
+ /* q */ { NL ("decimal64"), NL ("decimal64"), D_PRINT_DEFAULT },
+ /* r */ { NL ("decimal128"), NL ("decimal128"), D_PRINT_DEFAULT },
/* s */ { NL ("short"), NL ("short"), D_PRINT_DEFAULT },
/* t */ { NL ("unsigned short"), NL ("unsigned short"), D_PRINT_DEFAULT },
- /* u */ { NULL, 0, NULL, 0, D_PRINT_DEFAULT },
+ /* u */ { NL ("half"), NL ("half"), D_PRINT_FLOAT },
/* v */ { NL ("void"), NL ("void"), D_PRINT_VOID },
/* w */ { NL ("wchar_t"), NL ("char"), D_PRINT_DEFAULT },
/* x */ { NL ("long long"), NL ("long"), D_PRINT_LONG_LONG },
@@ -2046,6 +2053,52 @@ 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. */
+ return NULL;
+
+ case 'f':
+ /* 32-bit DFP */
+ ret = d_make_builtin_type (di,
+ &cplus_demangle_builtin_types['p' - 'a']);
+ di->expansion += ret->u.s_builtin.type->len;
+ break;
+ case 'd':
+ /* 64-bit decimal floating point */
+ ret = d_make_builtin_type (di,
+ &cplus_demangle_builtin_types['q' - 'a']);
+ di->expansion += ret->u.s_builtin.type->len;
+ break;
+ case 'e':
+ /* 128-bit DFP */
+ ret = d_make_builtin_type (di,
+ &cplus_demangle_builtin_types['r' - 'a']);
+ 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['u' - 'a']);
+ di->expansion += ret->u.s_builtin.type->len;
+ break;
+ }
+ break;
+
default:
return NULL;
}
@@ -2391,9 +2444,39 @@ d_template_arg (struct d_info *di)
}
}
+/* Subroutine of <expression> ::= cl <expression>+ E */
+
+static struct demangle_component *
+d_exprlist (struct d_info *di)
+{
+ struct demangle_component *list = NULL;
+ struct demangle_component **p = &list;
+
+ 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;
+}
+
/* <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>
@@ -2426,6 +2509,12 @@ 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) == 'T')
+ {
+ /* Just demangle a parameter placeholder as its type. */
+ d_advance (di, 2);
+ return cplus_demangle_type (di);
+ }
else
{
struct demangle_component *op;
@@ -2454,7 +2543,12 @@ d_expression (struct d_info *di)
args = op->u.s_extended_operator.args;
break;
case DEMANGLE_COMPONENT_CAST:
- args = 1;
+ if (d_peek_char (di) == 'v')
+ /* T() encoded as an operand of void. */
+ return d_make_comp (di, DEMANGLE_COMPONENT_UNARY, op,
+ cplus_demangle_type (di));
+ else
+ args = 1;
break;
}
@@ -2466,13 +2560,18 @@ d_expression (struct d_info *di)
case 2:
{
struct demangle_component *left;
+ struct demangle_component *right;
left = d_expression (di);
+ if (!strcmp (op->u.s_operator.op->code, "cl"))
+ right = d_exprlist (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:
{
@@ -3520,7 +3619,9 @@ d_print_comp (struct d_print_info *dpi,
d_append_char (dpi, ')');
}
d_append_char (dpi, '(');
- d_print_comp (dpi, d_right (dc));
+ if (d_left (dc)->type != DEMANGLE_COMPONENT_CAST
+ || d_right (dc)->type != DEMANGLE_COMPONENT_BUILTIN_TYPE)
+ d_print_comp (dpi, d_right (dc));
d_append_char (dpi, ')');
return;
@@ -3531,6 +3632,15 @@ d_print_comp (struct d_print_info *dpi,
return;
}
+ if (!strcmp (d_left (dc)->u.s_operator.op->code, "cl"))
+ {
+ d_print_comp (dpi, d_left (d_right (dc)));
+ d_append_string (dpi, " (");
+ d_print_comp (dpi, d_right (d_right (dc)));
+ d_append_char (dpi, ')');
+ return;
+ }
+
/* We wrap an expression which uses the greater-than operator in
an extra layer of parens so that it does not get confused
with the '>' which ends the template parameters. */
@@ -3681,6 +3791,12 @@ 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;
+
default:
d_print_error (dpi);
return;
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