X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=libiberty%2Fcp-demangle.c;h=d2d15e9b91aa83e85156b4340414766a8517bc89;hb=8e64f2a0d16624f14501c568f4bb2d7d79be9670;hp=43cf34a36cf2c9ff8cd3b4ebe2c6b826fa554238;hpb=664aa91f58967c26edf02ae198ec2410db78699f;p=binutils-gdb.git diff --git a/libiberty/cp-demangle.c b/libiberty/cp-demangle.c index 43cf34a36cf..d2d15e9b91a 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 . @@ -302,6 +302,8 @@ struct d_print_info /* The current index into any template argument packs we are using for printing. */ int pack_index; + /* Number of d_print_flush calls so far. */ + unsigned long int flush_count; }; #ifdef CP_DEMANGLE_DEBUG @@ -389,6 +391,8 @@ 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 *); @@ -796,6 +800,7 @@ 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; @@ -1442,6 +1447,20 @@ 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 * @@ -1970,6 +1989,8 @@ cplus_demangle_builtin_types[D_BUILTIN_TYPE_COUNT] = /* 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 @@ -2193,11 +2214,23 @@ cplus_demangle_type (struct d_info *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; } @@ -2416,6 +2449,34 @@ 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 * @@ -2671,11 +2732,18 @@ d_expression (struct d_info *di) return d_make_function_param (di, index); } - else if (IS_DIGIT (peek)) + 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 member access, i.e. decltype(T().i). */ - struct demangle_component *name = d_unqualified_name (di); + 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') @@ -2733,10 +2801,18 @@ d_expression (struct d_info *di) { struct demangle_component *left; struct demangle_component *right; + const char *code = op->u.s_operator.op->code; left = d_expression (di); - if (!strcmp (op->u.s_operator.op->code, "cl")) + 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); @@ -3211,6 +3287,7 @@ d_print_init (struct d_print_info *dpi, int options, dpi->last_char = '\0'; dpi->templates = NULL; dpi->modifiers = NULL; + dpi->flush_count = 0; dpi->callback = callback; dpi->opaque = opaque; @@ -3240,6 +3317,7 @@ d_print_flush (struct d_print_info *dpi) dpi->buf[dpi->len] = '\0'; dpi->callback (dpi->buf, dpi->len, dpi->opaque); dpi->len = 0; + dpi->flush_count++; } /* Append characters and buffers for printing. */ @@ -3928,6 +4006,7 @@ d_print_comp (struct d_print_info *dpi, } case DEMANGLE_COMPONENT_PTRMEM_TYPE: + case DEMANGLE_COMPONENT_VECTOR_TYPE: { struct d_print_mod dpm; @@ -3942,11 +4021,7 @@ 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; @@ -3976,12 +4051,18 @@ d_print_comp (struct d_print_info *dpi, if (d_right (dc) != NULL) { size_t len; + unsigned long int flush_count; + /* Make sure ", " isn't flushed by d_append_string, otherwise + dpi->len -= 2 wouldn't work. */ + if (dpi->len >= sizeof (dpi->buf) - 2) + d_print_flush (dpi); d_append_string (dpi, ", "); len = dpi->len; + flush_count = dpi->flush_count; 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) + if (dpi->flush_count == flush_count && dpi->len == len) dpi->len -= 2; } return; @@ -4037,9 +4118,18 @@ d_print_comp (struct d_print_info *dpi, d_append_char (dpi, '('); d_print_subexpr (dpi, d_left (d_right (dc))); - 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 (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 @@ -4157,6 +4247,10 @@ 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)); @@ -4429,6 +4523,12 @@ 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. */ @@ -4777,7 +4877,7 @@ 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; }