| /* Support for printing C and C++ types for GDB, the GNU debugger. |
| Copyright (C) 1986-2024 Free Software Foundation, Inc. |
| |
| This file is part of GDB. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| |
| #include "event-top.h" |
| #include "gdbsupport/gdb_obstack.h" |
| #include "bfd.h" |
| #include "symtab.h" |
| #include "gdbtypes.h" |
| #include "expression.h" |
| #include "value.h" |
| #include "gdbcore.h" |
| #include "target.h" |
| #include "language.h" |
| #include "demangle.h" |
| #include "c-lang.h" |
| #include "cli/cli-style.h" |
| #include "typeprint.h" |
| #include "cp-abi.h" |
| #include "cp-support.h" |
| |
| static void c_type_print_varspec_suffix (struct type *, struct ui_file *, int, |
| int, int, |
| enum language, |
| const struct type_print_options *); |
| |
| static void c_type_print_varspec_prefix (struct type *, |
| struct ui_file *, |
| int, int, int, |
| enum language, |
| const struct type_print_options *, |
| struct print_offset_data *); |
| |
| /* Print "const", "volatile", or address space modifiers. */ |
| static void c_type_print_modifier (struct type *, |
| struct ui_file *, |
| int, int, enum language); |
| |
| static void c_type_print_base_1 (struct type *type, struct ui_file *stream, |
| int show, int level, enum language language, |
| const struct type_print_options *flags, |
| struct print_offset_data *podata); |
| |
| |
| /* A callback function for cp_canonicalize_string_full that uses |
| typedef_hash_table::find_typedef. */ |
| |
| static const char * |
| find_typedef_for_canonicalize (struct type *t, void *data) |
| { |
| return typedef_hash_table::find_typedef |
| ((const struct type_print_options *) data, t); |
| } |
| |
| /* Print NAME on STREAM. If the 'raw' field of FLAGS is not set, |
| canonicalize NAME using the local typedefs first. */ |
| |
| static void |
| print_name_maybe_canonical (const char *name, |
| const struct type_print_options *flags, |
| struct ui_file *stream) |
| { |
| gdb::unique_xmalloc_ptr<char> s; |
| |
| if (!flags->raw) |
| s = cp_canonicalize_string_full (name, |
| find_typedef_for_canonicalize, |
| (void *) flags); |
| |
| gdb_puts (s != nullptr ? s.get () : name, stream); |
| } |
| |
| |
| |
| /* Helper function for c_print_type. */ |
| |
| static void |
| c_print_type_1 (struct type *type, |
| const char *varstring, |
| struct ui_file *stream, |
| int show, int level, |
| enum language language, |
| const struct type_print_options *flags, |
| struct print_offset_data *podata) |
| { |
| enum type_code code; |
| int demangled_args; |
| int need_post_space; |
| const char *local_name; |
| |
| if (show > 0) |
| type = check_typedef (type); |
| |
| local_name = typedef_hash_table::find_typedef (flags, type); |
| code = type->code (); |
| if (local_name != NULL) |
| { |
| c_type_print_modifier (type, stream, 0, 1, language); |
| gdb_puts (local_name, stream); |
| if (varstring != NULL && *varstring != '\0') |
| gdb_puts (" ", stream); |
| } |
| else |
| { |
| c_type_print_base_1 (type, stream, show, level, language, flags, podata); |
| if ((varstring != NULL && *varstring != '\0') |
| /* Need a space if going to print stars or brackets; |
| but not if we will print just a type name. */ |
| || ((show > 0 || type->name () == 0) |
| && (code == TYPE_CODE_PTR || code == TYPE_CODE_FUNC |
| || code == TYPE_CODE_METHOD |
| || (code == TYPE_CODE_ARRAY |
| && !type->is_vector ()) |
| || code == TYPE_CODE_MEMBERPTR |
| || code == TYPE_CODE_METHODPTR |
| || TYPE_IS_REFERENCE (type)))) |
| gdb_puts (" ", stream); |
| need_post_space = (varstring != NULL && strcmp (varstring, "") != 0); |
| c_type_print_varspec_prefix (type, stream, show, 0, need_post_space, |
| language, flags, podata); |
| } |
| |
| if (varstring != NULL) |
| { |
| if (code == TYPE_CODE_FUNC || code == TYPE_CODE_METHOD) |
| fputs_styled (varstring, function_name_style.style (), stream); |
| else |
| fputs_styled (varstring, variable_name_style.style (), stream); |
| |
| /* For demangled function names, we have the arglist as part of |
| the name, so don't print an additional pair of ()'s. */ |
| if (local_name == NULL) |
| { |
| demangled_args = strchr (varstring, '(') != NULL; |
| c_type_print_varspec_suffix (type, stream, show, |
| 0, demangled_args, |
| language, flags); |
| } |
| } |
| } |
| |
| /* See c-lang.h. */ |
| |
| void |
| c_print_type (struct type *type, |
| const char *varstring, |
| struct ui_file *stream, |
| int show, int level, |
| enum language language, |
| const struct type_print_options *flags) |
| { |
| struct print_offset_data podata (flags); |
| |
| c_print_type_1 (type, varstring, stream, show, level, language, flags, |
| &podata); |
| } |
| |
| /* Print a typedef using C syntax. TYPE is the underlying type. |
| NEW_SYMBOL is the symbol naming the type. STREAM is the stream on |
| which to print. */ |
| |
| void |
| c_print_typedef (struct type *type, |
| struct symbol *new_symbol, |
| struct ui_file *stream) |
| { |
| type = check_typedef (type); |
| gdb_printf (stream, "typedef "); |
| type_print (type, "", stream, -1); |
| if ((new_symbol->type ())->name () == 0 |
| || strcmp ((new_symbol->type ())->name (), |
| new_symbol->linkage_name ()) != 0 |
| || new_symbol->type ()->code () == TYPE_CODE_TYPEDEF) |
| gdb_printf (stream, " %s", new_symbol->print_name ()); |
| gdb_printf (stream, ";"); |
| } |
| |
| /* If TYPE is a derived type, then print out derivation information. |
| Print only the actual base classes of this type, not the base |
| classes of the base classes. I.e. for the derivation hierarchy: |
| |
| class A { int a; }; |
| class B : public A {int b; }; |
| class C : public B {int c; }; |
| |
| Print the type of class C as: |
| |
| class C : public B { |
| int c; |
| } |
| |
| Not as the following (like gdb used to), which is not legal C++ |
| syntax for derived types and may be confused with the multiple |
| inheritance form: |
| |
| class C : public B : public A { |
| int c; |
| } |
| |
| In general, gdb should try to print the types as closely as |
| possible to the form that they appear in the source code. */ |
| |
| static void |
| cp_type_print_derivation_info (struct ui_file *stream, |
| struct type *type, |
| const struct type_print_options *flags) |
| { |
| const char *name; |
| int i; |
| |
| for (i = 0; i < TYPE_N_BASECLASSES (type); i++) |
| { |
| stream->wrap_here (8); |
| gdb_puts (i == 0 ? ": " : ", ", stream); |
| gdb_printf (stream, "%s%s ", |
| BASETYPE_VIA_PUBLIC (type, i) |
| ? "public" : (type->field (i).is_protected () |
| ? "protected" : "private"), |
| BASETYPE_VIA_VIRTUAL (type, i) ? " virtual" : ""); |
| name = TYPE_BASECLASS (type, i)->name (); |
| if (name) |
| print_name_maybe_canonical (name, flags, stream); |
| else |
| gdb_printf (stream, "(null)"); |
| } |
| if (i > 0) |
| { |
| gdb_puts (" ", stream); |
| } |
| } |
| |
| /* Print the C++ method arguments ARGS to the file STREAM. */ |
| |
| static void |
| cp_type_print_method_args (struct type *mtype, const char *prefix, |
| const char *varstring, int staticp, |
| struct ui_file *stream, |
| enum language language, |
| const struct type_print_options *flags) |
| { |
| struct field *args = mtype->fields (); |
| int nargs = mtype->num_fields (); |
| int varargs = mtype->has_varargs (); |
| int i; |
| |
| fprintf_symbol (stream, prefix, |
| language_cplus, DMGL_ANSI); |
| fprintf_symbol (stream, varstring, |
| language_cplus, DMGL_ANSI); |
| gdb_puts ("(", stream); |
| |
| int printed_args = 0; |
| for (i = 0; i < nargs; ++i) |
| { |
| if (i == 0 && !staticp) |
| { |
| /* Skip the class variable. We keep this here to accommodate older |
| compilers and debug formats which may not support artificial |
| parameters. */ |
| continue; |
| } |
| |
| struct field arg = args[i]; |
| /* Skip any artificial arguments. */ |
| if (arg.is_artificial ()) |
| continue; |
| |
| if (printed_args > 0) |
| { |
| gdb_printf (stream, ", "); |
| stream->wrap_here (8); |
| } |
| |
| c_print_type (arg.type (), "", stream, 0, 0, language, flags); |
| printed_args++; |
| } |
| |
| if (varargs) |
| { |
| if (printed_args == 0) |
| gdb_printf (stream, "..."); |
| else |
| gdb_printf (stream, ", ..."); |
| } |
| else if (printed_args == 0) |
| { |
| if (language == language_cplus) |
| gdb_printf (stream, "void"); |
| } |
| |
| gdb_printf (stream, ")"); |
| |
| /* For non-static methods, read qualifiers from the type of |
| THIS. */ |
| if (!staticp) |
| { |
| struct type *domain; |
| |
| gdb_assert (nargs > 0); |
| gdb_assert (args[0].type ()->code () == TYPE_CODE_PTR); |
| domain = args[0].type ()->target_type (); |
| |
| if (TYPE_CONST (domain)) |
| gdb_printf (stream, " const"); |
| |
| if (TYPE_VOLATILE (domain)) |
| gdb_printf (stream, " volatile"); |
| |
| if (TYPE_RESTRICT (domain)) |
| gdb_printf (stream, (language == language_cplus |
| ? " __restrict__" |
| : " restrict")); |
| |
| if (TYPE_ATOMIC (domain)) |
| gdb_printf (stream, " _Atomic"); |
| } |
| } |
| |
| |
| /* Print any asterisks or open-parentheses needed before the |
| variable name (to describe its type). |
| |
| On outermost call, pass 0 for PASSED_A_PTR. |
| On outermost call, SHOW > 0 means should ignore |
| any typename for TYPE and show its details. |
| SHOW is always zero on recursive calls. |
| |
| NEED_POST_SPACE is non-zero when a space will be be needed |
| between a trailing qualifier and a field, variable, or function |
| name. */ |
| |
| static void |
| c_type_print_varspec_prefix (struct type *type, |
| struct ui_file *stream, |
| int show, int passed_a_ptr, |
| int need_post_space, |
| enum language language, |
| const struct type_print_options *flags, |
| struct print_offset_data *podata) |
| { |
| const char *name; |
| |
| if (type == 0) |
| return; |
| |
| if (type->name () && show <= 0) |
| return; |
| |
| QUIT; |
| |
| switch (type->code ()) |
| { |
| case TYPE_CODE_PTR: |
| c_type_print_varspec_prefix (type->target_type (), |
| stream, show, 1, 1, language, flags, |
| podata); |
| gdb_printf (stream, "*"); |
| c_type_print_modifier (type, stream, 1, need_post_space, language); |
| break; |
| |
| case TYPE_CODE_MEMBERPTR: |
| c_type_print_varspec_prefix (type->target_type (), |
| stream, show, 0, 0, language, flags, podata); |
| name = TYPE_SELF_TYPE (type)->name (); |
| if (name) |
| print_name_maybe_canonical (name, flags, stream); |
| else |
| c_type_print_base_1 (TYPE_SELF_TYPE (type), |
| stream, -1, passed_a_ptr, language, flags, |
| podata); |
| gdb_printf (stream, "::*"); |
| break; |
| |
| case TYPE_CODE_METHODPTR: |
| c_type_print_varspec_prefix (type->target_type (), |
| stream, show, 0, 0, language, flags, |
| podata); |
| gdb_printf (stream, "("); |
| name = TYPE_SELF_TYPE (type)->name (); |
| if (name) |
| print_name_maybe_canonical (name, flags, stream); |
| else |
| c_type_print_base_1 (TYPE_SELF_TYPE (type), |
| stream, -1, passed_a_ptr, language, flags, |
| podata); |
| gdb_printf (stream, "::*"); |
| break; |
| |
| case TYPE_CODE_REF: |
| case TYPE_CODE_RVALUE_REF: |
| c_type_print_varspec_prefix (type->target_type (), |
| stream, show, 1, 0, language, flags, |
| podata); |
| gdb_printf (stream, type->code () == TYPE_CODE_REF ? "&" : "&&"); |
| c_type_print_modifier (type, stream, 1, need_post_space, language); |
| break; |
| |
| case TYPE_CODE_METHOD: |
| case TYPE_CODE_FUNC: |
| c_type_print_varspec_prefix (type->target_type (), |
| stream, show, 0, 0, language, flags, |
| podata); |
| if (passed_a_ptr) |
| gdb_printf (stream, "("); |
| break; |
| |
| case TYPE_CODE_ARRAY: |
| c_type_print_varspec_prefix (type->target_type (), |
| stream, show, 0, need_post_space, |
| language, flags, podata); |
| if (passed_a_ptr) |
| gdb_printf (stream, "("); |
| break; |
| |
| case TYPE_CODE_TYPEDEF: |
| c_type_print_varspec_prefix (type->target_type (), |
| stream, show, passed_a_ptr, 0, |
| language, flags, podata); |
| break; |
| } |
| } |
| |
| /* Print out "const" and "volatile" attributes, |
| and address space id if present. |
| TYPE is a pointer to the type being printed out. |
| STREAM is the output destination. |
| NEED_PRE_SPACE = 1 indicates an initial white space is needed. |
| NEED_POST_SPACE = 1 indicates a final white space is needed. */ |
| |
| static void |
| c_type_print_modifier (struct type *type, struct ui_file *stream, |
| int need_pre_space, int need_post_space, |
| enum language language) |
| { |
| int did_print_modifier = 0; |
| const char *address_space_id; |
| |
| /* We don't print `const' qualifiers for references --- since all |
| operators affect the thing referenced, not the reference itself, |
| every reference is `const'. */ |
| if (TYPE_CONST (type) && !TYPE_IS_REFERENCE (type)) |
| { |
| if (need_pre_space) |
| gdb_printf (stream, " "); |
| gdb_printf (stream, "const"); |
| did_print_modifier = 1; |
| } |
| |
| if (TYPE_VOLATILE (type)) |
| { |
| if (did_print_modifier || need_pre_space) |
| gdb_printf (stream, " "); |
| gdb_printf (stream, "volatile"); |
| did_print_modifier = 1; |
| } |
| |
| if (TYPE_RESTRICT (type)) |
| { |
| if (did_print_modifier || need_pre_space) |
| gdb_printf (stream, " "); |
| gdb_printf (stream, (language == language_cplus |
| ? "__restrict__" |
| : "restrict")); |
| did_print_modifier = 1; |
| } |
| |
| if (TYPE_ATOMIC (type)) |
| { |
| if (did_print_modifier || need_pre_space) |
| gdb_printf (stream, " "); |
| gdb_printf (stream, "_Atomic"); |
| did_print_modifier = 1; |
| } |
| |
| address_space_id |
| = address_space_type_instance_flags_to_name (type->arch (), |
| type->instance_flags ()); |
| if (address_space_id) |
| { |
| if (did_print_modifier || need_pre_space) |
| gdb_printf (stream, " "); |
| gdb_printf (stream, "@%s", address_space_id); |
| did_print_modifier = 1; |
| } |
| |
| if (did_print_modifier && need_post_space) |
| gdb_printf (stream, " "); |
| } |
| |
| |
| /* Print out the arguments of TYPE, which should have TYPE_CODE_METHOD |
| or TYPE_CODE_FUNC, to STREAM. Artificial arguments, such as "this" |
| in non-static methods, are displayed if LINKAGE_NAME is zero. If |
| LINKAGE_NAME is non-zero and LANGUAGE is language_cplus the topmost |
| parameter types get removed their possible const and volatile qualifiers to |
| match demangled linkage name parameters part of such function type. |
| LANGUAGE is the language in which TYPE was defined. This is a necessary |
| evil since this code is used by the C and C++. */ |
| |
| void |
| c_type_print_args (struct type *type, struct ui_file *stream, |
| int linkage_name, enum language language, |
| const struct type_print_options *flags) |
| { |
| int i; |
| int printed_any = 0; |
| |
| gdb_printf (stream, "("); |
| |
| for (i = 0; i < type->num_fields (); i++) |
| { |
| struct type *param_type; |
| |
| if (type->field (i).is_artificial () && linkage_name) |
| continue; |
| |
| if (printed_any) |
| { |
| gdb_printf (stream, ", "); |
| stream->wrap_here (4); |
| } |
| |
| param_type = type->field (i).type (); |
| |
| if (language == language_cplus && linkage_name) |
| { |
| /* C++ standard, 13.1 Overloadable declarations, point 3, item: |
| - Parameter declarations that differ only in the presence or |
| absence of const and/or volatile are equivalent. |
| |
| And the const/volatile qualifiers are not present in the mangled |
| names as produced by GCC. */ |
| |
| param_type = make_cv_type (0, 0, param_type, NULL); |
| } |
| |
| c_print_type (param_type, "", stream, -1, 0, language, flags); |
| printed_any = 1; |
| } |
| |
| if (printed_any && type->has_varargs ()) |
| { |
| /* Print out a trailing ellipsis for varargs functions. Ignore |
| TYPE_VARARGS if the function has no named arguments; that |
| represents unprototyped (K&R style) C functions. */ |
| if (printed_any && type->has_varargs ()) |
| { |
| gdb_printf (stream, ", "); |
| stream->wrap_here (4); |
| gdb_printf (stream, "..."); |
| } |
| } |
| else if (!printed_any |
| && (type->is_prototyped () || language == language_cplus)) |
| gdb_printf (stream, "void"); |
| |
| gdb_printf (stream, ")"); |
| } |
| |
| /* Return true iff the j'th overloading of the i'th method of TYPE |
| is a type conversion operator, like `operator int () { ... }'. |
| When listing a class's methods, we don't print the return type of |
| such operators. */ |
| |
| static int |
| is_type_conversion_operator (struct type *type, int i, int j) |
| { |
| /* I think the whole idea of recognizing type conversion operators |
| by their name is pretty terrible. But I don't think our present |
| data structure gives us any other way to tell. If you know of |
| some other way, feel free to rewrite this function. */ |
| const char *name = TYPE_FN_FIELDLIST_NAME (type, i); |
| |
| if (!startswith (name, CP_OPERATOR_STR)) |
| return 0; |
| |
| name += 8; |
| if (! strchr (" \t\f\n\r", *name)) |
| return 0; |
| |
| while (strchr (" \t\f\n\r", *name)) |
| name++; |
| |
| if (!('a' <= *name && *name <= 'z') |
| && !('A' <= *name && *name <= 'Z') |
| && *name != '_') |
| /* If this doesn't look like the start of an identifier, then it |
| isn't a type conversion operator. */ |
| return 0; |
| else if (startswith (name, "new")) |
| name += 3; |
| else if (startswith (name, "delete")) |
| name += 6; |
| else |
| /* If it doesn't look like new or delete, it's a type conversion |
| operator. */ |
| return 1; |
| |
| /* Is that really the end of the name? */ |
| if (('a' <= *name && *name <= 'z') |
| || ('A' <= *name && *name <= 'Z') |
| || ('0' <= *name && *name <= '9') |
| || *name == '_') |
| /* No, so the identifier following "operator" must be a type name, |
| and this is a type conversion operator. */ |
| return 1; |
| |
| /* That was indeed the end of the name, so it was `operator new' or |
| `operator delete', neither of which are type conversion |
| operators. */ |
| return 0; |
| } |
| |
| /* Given a C++ qualified identifier QID, strip off the qualifiers, |
| yielding the unqualified name. The return value is a pointer into |
| the original string. |
| |
| It's a pity we don't have this information in some more structured |
| form. Even the author of this function feels that writing little |
| parsers like this everywhere is stupid. */ |
| |
| static const char * |
| remove_qualifiers (const char *qid) |
| { |
| int quoted = 0; /* Zero if we're not in quotes; |
| '"' if we're in a double-quoted string; |
| '\'' if we're in a single-quoted string. */ |
| int depth = 0; /* Number of unclosed parens we've seen. */ |
| char *parenstack = (char *) alloca (strlen (qid)); |
| const char *scan; |
| const char *last = 0; /* The character after the rightmost |
| `::' token we've seen so far. */ |
| |
| for (scan = qid; *scan; scan++) |
| { |
| if (quoted) |
| { |
| if (*scan == quoted) |
| quoted = 0; |
| else if (*scan == '\\' && *(scan + 1)) |
| scan++; |
| } |
| else if (scan[0] == ':' && scan[1] == ':') |
| { |
| /* If we're inside parenthesis (i.e., an argument list) or |
| angle brackets (i.e., a list of template arguments), then |
| we don't record the position of this :: token, since it's |
| not relevant to the top-level structure we're trying to |
| operate on. */ |
| if (depth == 0) |
| { |
| last = scan + 2; |
| scan++; |
| } |
| } |
| else if (*scan == '"' || *scan == '\'') |
| quoted = *scan; |
| else if (*scan == '(') |
| parenstack[depth++] = ')'; |
| else if (*scan == '[') |
| parenstack[depth++] = ']'; |
| /* We're going to treat <> as a pair of matching characters, |
| since we're more likely to see those in template id's than |
| real less-than characters. What a crock. */ |
| else if (*scan == '<') |
| parenstack[depth++] = '>'; |
| else if (*scan == ')' || *scan == ']' || *scan == '>') |
| { |
| if (depth > 0 && parenstack[depth - 1] == *scan) |
| depth--; |
| else |
| { |
| /* We're going to do a little error recovery here. If |
| we don't find a match for *scan on the paren stack, |
| but there is something lower on the stack that does |
| match, we pop the stack to that point. */ |
| int i; |
| |
| for (i = depth - 1; i >= 0; i--) |
| if (parenstack[i] == *scan) |
| { |
| depth = i; |
| break; |
| } |
| } |
| } |
| } |
| |
| if (last) |
| return last; |
| else |
| /* We didn't find any :: tokens at the top level, so declare the |
| whole thing an unqualified identifier. */ |
| return qid; |
| } |
| |
| /* Print any array sizes, function arguments or close parentheses |
| needed after the variable name (to describe its type). |
| Args work like c_type_print_varspec_prefix. */ |
| |
| static void |
| c_type_print_varspec_suffix (struct type *type, |
| struct ui_file *stream, |
| int show, int passed_a_ptr, |
| int demangled_args, |
| enum language language, |
| const struct type_print_options *flags) |
| { |
| if (type == 0) |
| return; |
| |
| if (type->name () && show <= 0) |
| return; |
| |
| QUIT; |
| |
| switch (type->code ()) |
| { |
| case TYPE_CODE_ARRAY: |
| { |
| LONGEST low_bound, high_bound; |
| int is_vector = type->is_vector (); |
| |
| if (passed_a_ptr) |
| gdb_printf (stream, ")"); |
| |
| gdb_printf (stream, (is_vector ? |
| " __attribute__ ((vector_size(" : "[")); |
| /* Bounds are not yet resolved, print a bounds placeholder instead. */ |
| if (type->bounds ()->high.kind () == PROP_LOCEXPR |
| || type->bounds ()->high.kind () == PROP_LOCLIST) |
| gdb_printf (stream, "variable length"); |
| else if (get_array_bounds (type, &low_bound, &high_bound)) |
| gdb_printf (stream, "%s", |
| plongest (high_bound - low_bound + 1)); |
| gdb_printf (stream, (is_vector ? ")))" : "]")); |
| |
| c_type_print_varspec_suffix (type->target_type (), stream, |
| show, 0, 0, language, flags); |
| } |
| break; |
| |
| case TYPE_CODE_MEMBERPTR: |
| c_type_print_varspec_suffix (type->target_type (), stream, |
| show, 0, 0, language, flags); |
| break; |
| |
| case TYPE_CODE_METHODPTR: |
| gdb_printf (stream, ")"); |
| c_type_print_varspec_suffix (type->target_type (), stream, |
| show, 0, 0, language, flags); |
| break; |
| |
| case TYPE_CODE_PTR: |
| case TYPE_CODE_REF: |
| case TYPE_CODE_RVALUE_REF: |
| c_type_print_varspec_suffix (type->target_type (), stream, |
| show, 1, 0, language, flags); |
| break; |
| |
| case TYPE_CODE_METHOD: |
| case TYPE_CODE_FUNC: |
| if (passed_a_ptr) |
| gdb_printf (stream, ")"); |
| if (!demangled_args) |
| c_type_print_args (type, stream, 0, language, flags); |
| c_type_print_varspec_suffix (type->target_type (), stream, |
| show, passed_a_ptr, 0, language, flags); |
| break; |
| |
| case TYPE_CODE_TYPEDEF: |
| c_type_print_varspec_suffix (type->target_type (), stream, |
| show, passed_a_ptr, 0, language, flags); |
| break; |
| } |
| } |
| |
| /* A helper for c_type_print_base that displays template |
| parameters and their bindings, if needed. |
| |
| TABLE is the local bindings table to use. If NULL, no printing is |
| done. Note that, at this point, TABLE won't have any useful |
| information in it -- but it is also used as a flag to |
| print_name_maybe_canonical to activate searching the global typedef |
| table. |
| |
| TYPE is the type whose template arguments are being displayed. |
| |
| STREAM is the stream on which to print. */ |
| |
| static void |
| c_type_print_template_args (const struct type_print_options *flags, |
| struct type *type, struct ui_file *stream, |
| enum language language) |
| { |
| int first = 1, i; |
| |
| if (flags->raw) |
| return; |
| |
| for (i = 0; i < TYPE_N_TEMPLATE_ARGUMENTS (type); ++i) |
| { |
| struct symbol *sym = TYPE_TEMPLATE_ARGUMENT (type, i); |
| |
| if (sym->aclass () != LOC_TYPEDEF) |
| continue; |
| |
| if (first) |
| { |
| stream->wrap_here (4); |
| gdb_printf (stream, _("[with %s = "), sym->linkage_name ()); |
| first = 0; |
| } |
| else |
| { |
| gdb_puts (", ", stream); |
| stream->wrap_here (9); |
| gdb_printf (stream, "%s = ", sym->linkage_name ()); |
| } |
| |
| c_print_type (sym->type (), "", stream, -1, 0, language, flags); |
| } |
| |
| if (!first) |
| gdb_puts (_("] "), stream); |
| } |
| |
| /* Use 'print_spaces', but take into consideration the |
| type_print_options FLAGS in order to determine how many whitespaces |
| will be printed. */ |
| |
| static void |
| print_spaces_filtered_with_print_options |
| (int level, struct ui_file *stream, const struct type_print_options *flags) |
| { |
| if (!flags->print_offsets) |
| print_spaces (level, stream); |
| else |
| print_spaces (level + print_offset_data::indentation, stream); |
| } |
| |
| /* Output an access specifier to STREAM, if needed. LAST_ACCESS is the |
| last access specifier output (typically returned by this function). */ |
| |
| static accessibility |
| output_access_specifier (struct ui_file *stream, |
| accessibility last_access, |
| int level, accessibility new_access, |
| const struct type_print_options *flags) |
| { |
| if (last_access == new_access) |
| return new_access; |
| |
| if (new_access == accessibility::PROTECTED) |
| { |
| print_spaces_filtered_with_print_options (level + 2, stream, flags); |
| gdb_printf (stream, "protected:\n"); |
| } |
| else if (new_access == accessibility::PRIVATE) |
| { |
| print_spaces_filtered_with_print_options (level + 2, stream, flags); |
| gdb_printf (stream, "private:\n"); |
| } |
| else |
| { |
| print_spaces_filtered_with_print_options (level + 2, stream, flags); |
| gdb_printf (stream, "public:\n"); |
| } |
| |
| return new_access; |
| } |
| |
| /* Helper function that temporarily disables FLAGS->PRINT_OFFSETS, |
| calls 'c_print_type_1', and then reenables FLAGS->PRINT_OFFSETS if |
| applicable. */ |
| |
| static void |
| c_print_type_no_offsets (struct type *type, |
| const char *varstring, |
| struct ui_file *stream, |
| int show, int level, |
| enum language language, |
| struct type_print_options *flags, |
| struct print_offset_data *podata) |
| { |
| unsigned int old_po = flags->print_offsets; |
| |
| /* Temporarily disable print_offsets, because it would mess with |
| indentation. */ |
| flags->print_offsets = 0; |
| c_print_type_1 (type, varstring, stream, show, level, language, flags, |
| podata); |
| flags->print_offsets = old_po; |
| } |
| |
| /* Helper for 'c_type_print_base' that handles structs and unions. |
| For a description of the arguments, see 'c_type_print_base'. */ |
| |
| static void |
| c_type_print_base_struct_union (struct type *type, struct ui_file *stream, |
| int show, int level, |
| enum language language, |
| const struct type_print_options *flags, |
| struct print_offset_data *podata) |
| { |
| struct type_print_options local_flags = *flags; |
| local_flags.local_typedefs = NULL; |
| |
| std::unique_ptr<typedef_hash_table> hash_holder; |
| if (!flags->raw) |
| { |
| if (flags->local_typedefs) |
| local_flags.local_typedefs |
| = new typedef_hash_table (*flags->local_typedefs); |
| else |
| local_flags.local_typedefs = new typedef_hash_table (); |
| |
| hash_holder.reset (local_flags.local_typedefs); |
| } |
| |
| c_type_print_modifier (type, stream, 0, 1, language); |
| if (type->code () == TYPE_CODE_UNION) |
| gdb_printf (stream, "union "); |
| else if (type->is_declared_class ()) |
| gdb_printf (stream, "class "); |
| else |
| gdb_printf (stream, "struct "); |
| |
| /* Print the tag if it exists. The HP aCC compiler emits a |
| spurious "{unnamed struct}"/"{unnamed union}"/"{unnamed |
| enum}" tag for unnamed struct/union/enum's, which we don't |
| want to print. */ |
| if (type->name () != NULL |
| && !startswith (type->name (), "{unnamed")) |
| { |
| /* When printing the tag name, we are still effectively |
| printing in the outer context, hence the use of FLAGS |
| here. */ |
| print_name_maybe_canonical (type->name (), flags, stream); |
| if (show > 0) |
| gdb_puts (" ", stream); |
| } |
| |
| if (show < 0) |
| { |
| /* If we just printed a tag name, no need to print anything |
| else. */ |
| if (type->name () == NULL) |
| gdb_printf (stream, "{...}"); |
| } |
| else if (show > 0 || type->name () == NULL) |
| { |
| struct type *basetype; |
| int vptr_fieldno; |
| |
| c_type_print_template_args (&local_flags, type, stream, language); |
| |
| /* Add in template parameters when printing derivation info. */ |
| if (local_flags.local_typedefs != NULL) |
| local_flags.local_typedefs->add_template_parameters (type); |
| cp_type_print_derivation_info (stream, type, &local_flags); |
| |
| /* This holds just the global typedefs and the template |
| parameters. */ |
| struct type_print_options semi_local_flags = *flags; |
| semi_local_flags.local_typedefs = NULL; |
| |
| std::unique_ptr<typedef_hash_table> semi_holder; |
| if (local_flags.local_typedefs != nullptr) |
| { |
| semi_local_flags.local_typedefs |
| = new typedef_hash_table (*local_flags.local_typedefs); |
| semi_holder.reset (semi_local_flags.local_typedefs); |
| |
| /* Now add in the local typedefs. */ |
| local_flags.local_typedefs->recursively_update (type); |
| } |
| |
| gdb_printf (stream, "{\n"); |
| |
| if (type->num_fields () == 0 && TYPE_NFN_FIELDS (type) == 0 |
| && TYPE_TYPEDEF_FIELD_COUNT (type) == 0) |
| { |
| print_spaces_filtered_with_print_options (level + 4, stream, flags); |
| if (type->is_stub ()) |
| gdb_printf (stream, _("%p[<incomplete type>%p]\n"), |
| metadata_style.style ().ptr (), nullptr); |
| else |
| gdb_printf (stream, _("%p[<no data fields>%p]\n"), |
| metadata_style.style ().ptr (), nullptr); |
| } |
| |
| accessibility section_type = (type->is_declared_class () |
| ? accessibility::PRIVATE |
| : accessibility::PUBLIC); |
| |
| /* If there is a base class for this type, |
| do not print the field that it occupies. */ |
| |
| int len = type->num_fields (); |
| vptr_fieldno = get_vptr_fieldno (type, &basetype); |
| |
| struct print_offset_data local_podata (flags); |
| |
| for (int i = TYPE_N_BASECLASSES (type); i < len; i++) |
| { |
| QUIT; |
| |
| /* If we have a virtual table pointer, omit it. Even if |
| virtual table pointers are not specifically marked in |
| the debug info, they should be artificial. */ |
| if ((i == vptr_fieldno && type == basetype) |
| || type->field (i).is_artificial ()) |
| continue; |
| |
| section_type |
| = output_access_specifier (stream, section_type, level, |
| type->field (i).accessibility (), |
| flags); |
| |
| bool is_static = type->field (i).is_static (); |
| |
| if (flags->print_offsets) |
| podata->update (type, i, stream); |
| |
| print_spaces (level + 4, stream); |
| if (is_static) |
| gdb_printf (stream, "static "); |
| |
| int newshow = show - 1; |
| |
| if (!is_static && flags->print_offsets |
| && (type->field (i).type ()->code () == TYPE_CODE_STRUCT |
| || type->field (i).type ()->code () == TYPE_CODE_UNION)) |
| { |
| /* If we're printing offsets and this field's type is |
| either a struct or an union, then we're interested in |
| expanding it. */ |
| ++newshow; |
| |
| /* Make sure we carry our offset when we expand the |
| struct/union. */ |
| local_podata.offset_bitpos |
| = podata->offset_bitpos + type->field (i).loc_bitpos (); |
| /* We're entering a struct/union. Right now, |
| PODATA->END_BITPOS points right *after* the |
| struct/union. However, when printing the first field |
| of this inner struct/union, the end_bitpos we're |
| expecting is exactly at the beginning of the |
| struct/union. Therefore, we subtract the length of |
| the whole struct/union. */ |
| local_podata.end_bitpos |
| = podata->end_bitpos |
| - type->field (i).type ()->length () * TARGET_CHAR_BIT; |
| } |
| |
| c_print_type_1 (type->field (i).type (), |
| type->field (i).name (), |
| stream, newshow, level + 4, |
| language, &local_flags, &local_podata); |
| |
| if (!is_static && type->field (i).is_packed ()) |
| { |
| /* It is a bitfield. This code does not attempt |
| to look at the bitpos and reconstruct filler, |
| unnamed fields. This would lead to misleading |
| results if the compiler does not put out fields |
| for such things (I don't know what it does). */ |
| gdb_printf (stream, " : %d", type->field (i).bitsize ()); |
| } |
| gdb_printf (stream, ";\n"); |
| } |
| |
| /* If there are both fields and methods, put a blank line |
| between them. Make sure to count only method that we |
| will display; artificial methods will be hidden. */ |
| len = TYPE_NFN_FIELDS (type); |
| if (!flags->print_methods) |
| len = 0; |
| int real_len = 0; |
| for (int i = 0; i < len; i++) |
| { |
| struct fn_field *f = TYPE_FN_FIELDLIST1 (type, i); |
| int len2 = TYPE_FN_FIELDLIST_LENGTH (type, i); |
| int j; |
| |
| for (j = 0; j < len2; j++) |
| if (!TYPE_FN_FIELD_ARTIFICIAL (f, j)) |
| real_len++; |
| } |
| if (real_len > 0) |
| gdb_printf (stream, "\n"); |
| |
| /* C++: print out the methods. */ |
| for (int i = 0; i < len; i++) |
| { |
| struct fn_field *f = TYPE_FN_FIELDLIST1 (type, i); |
| int j, len2 = TYPE_FN_FIELDLIST_LENGTH (type, i); |
| const char *method_name = TYPE_FN_FIELDLIST_NAME (type, i); |
| const char *name = type->name (); |
| int is_constructor = name && strcmp (method_name, |
| name) == 0; |
| |
| for (j = 0; j < len2; j++) |
| { |
| const char *mangled_name; |
| gdb::unique_xmalloc_ptr<char> mangled_name_holder; |
| const char *physname = TYPE_FN_FIELD_PHYSNAME (f, j); |
| int is_full_physname_constructor = |
| TYPE_FN_FIELD_CONSTRUCTOR (f, j) |
| || is_constructor_name (physname) |
| || is_destructor_name (physname) |
| || method_name[0] == '~'; |
| |
| /* Do not print out artificial methods. */ |
| if (TYPE_FN_FIELD_ARTIFICIAL (f, j)) |
| continue; |
| |
| QUIT; |
| section_type = output_access_specifier |
| (stream, section_type, level, |
| TYPE_FN_FIELD (f, j).accessibility, |
| flags); |
| |
| print_spaces_filtered_with_print_options (level + 4, stream, |
| flags); |
| if (TYPE_FN_FIELD_VIRTUAL_P (f, j)) |
| gdb_printf (stream, "virtual "); |
| else if (TYPE_FN_FIELD_STATIC_P (f, j)) |
| gdb_printf (stream, "static "); |
| if (TYPE_FN_FIELD_TYPE (f, j)->target_type () == 0) |
| { |
| /* Keep GDB from crashing here. */ |
| gdb_printf (stream, |
| _("%p[<undefined type>%p] %s;\n"), |
| metadata_style.style ().ptr (), nullptr, |
| TYPE_FN_FIELD_PHYSNAME (f, j)); |
| break; |
| } |
| else if (!is_constructor /* Constructors don't |
| have declared |
| types. */ |
| && !is_full_physname_constructor /* " " */ |
| && !is_type_conversion_operator (type, i, j)) |
| { |
| c_print_type_no_offsets |
| (TYPE_FN_FIELD_TYPE (f, j)->target_type (), |
| "", stream, -1, 0, language, &local_flags, podata); |
| |
| gdb_puts (" ", stream); |
| } |
| if (TYPE_FN_FIELD_STUB (f, j)) |
| { |
| /* Build something we can demangle. */ |
| mangled_name_holder.reset (gdb_mangle_name (type, i, j)); |
| mangled_name = mangled_name_holder.get (); |
| } |
| else |
| mangled_name = TYPE_FN_FIELD_PHYSNAME (f, j); |
| |
| gdb::unique_xmalloc_ptr<char> demangled_name |
| = gdb_demangle (mangled_name, |
| DMGL_ANSI | DMGL_PARAMS); |
| if (demangled_name == NULL) |
| { |
| /* In some cases (for instance with the HP |
| demangling), if a function has more than 10 |
| arguments, the demangling will fail. |
| Let's try to reconstruct the function |
| signature from the symbol information. */ |
| if (!TYPE_FN_FIELD_STUB (f, j)) |
| { |
| int staticp = TYPE_FN_FIELD_STATIC_P (f, j); |
| struct type *mtype = TYPE_FN_FIELD_TYPE (f, j); |
| |
| cp_type_print_method_args (mtype, |
| "", |
| method_name, |
| staticp, |
| stream, language, |
| &local_flags); |
| } |
| else |
| fprintf_styled (stream, metadata_style.style (), |
| _("<badly mangled name '%s'>"), |
| mangled_name); |
| } |
| else |
| { |
| const char *p; |
| const char *demangled_no_class |
| = remove_qualifiers (demangled_name.get ()); |
| |
| /* Get rid of the `static' appended by the |
| demangler. */ |
| p = strstr (demangled_no_class, " static"); |
| if (p != NULL) |
| { |
| int length = p - demangled_no_class; |
| std::string demangled_no_static (demangled_no_class, |
| length); |
| gdb_puts (demangled_no_static.c_str (), stream); |
| } |
| else |
| gdb_puts (demangled_no_class, stream); |
| } |
| |
| gdb_printf (stream, ";\n"); |
| } |
| } |
| |
| /* Print out nested types. */ |
| if (TYPE_NESTED_TYPES_COUNT (type) != 0 |
| && semi_local_flags.print_nested_type_limit != 0) |
| { |
| if (semi_local_flags.print_nested_type_limit > 0) |
| --semi_local_flags.print_nested_type_limit; |
| |
| if (type->num_fields () != 0 || TYPE_NFN_FIELDS (type) != 0) |
| gdb_printf (stream, "\n"); |
| |
| for (int i = 0; i < TYPE_NESTED_TYPES_COUNT (type); ++i) |
| { |
| print_spaces_filtered_with_print_options (level + 4, stream, |
| flags); |
| c_print_type_no_offsets (TYPE_NESTED_TYPES_FIELD_TYPE (type, i), |
| "", stream, show, level + 4, |
| language, &semi_local_flags, podata); |
| gdb_printf (stream, ";\n"); |
| } |
| } |
| |
| /* Print typedefs defined in this class. */ |
| |
| if (TYPE_TYPEDEF_FIELD_COUNT (type) != 0 && flags->print_typedefs) |
| { |
| if (type->num_fields () != 0 || TYPE_NFN_FIELDS (type) != 0 |
| || TYPE_NESTED_TYPES_COUNT (type) != 0) |
| gdb_printf (stream, "\n"); |
| |
| for (int i = 0; i < TYPE_TYPEDEF_FIELD_COUNT (type); i++) |
| { |
| struct type *target = TYPE_TYPEDEF_FIELD_TYPE (type, i); |
| |
| /* Dereference the typedef declaration itself. */ |
| gdb_assert (target->code () == TYPE_CODE_TYPEDEF); |
| target = target->target_type (); |
| |
| section_type = (output_access_specifier |
| (stream, section_type, level, |
| TYPE_TYPEDEF_FIELD (type, i).accessibility, |
| flags)); |
| |
| print_spaces_filtered_with_print_options (level + 4, stream, |
| flags); |
| gdb_printf (stream, "typedef "); |
| |
| /* We want to print typedefs with substitutions |
| from the template parameters or globally-known |
| typedefs but not local typedefs. */ |
| c_print_type_no_offsets (target, |
| TYPE_TYPEDEF_FIELD_NAME (type, i), |
| stream, show - 1, level + 4, |
| language, &semi_local_flags, podata); |
| gdb_printf (stream, ";\n"); |
| } |
| } |
| |
| if (flags->print_offsets) |
| { |
| if (show > 0) |
| podata->finish (type, level, stream); |
| |
| print_spaces (print_offset_data::indentation, stream); |
| if (level == 0) |
| print_spaces (2, stream); |
| } |
| |
| gdb_printf (stream, "%*s}", level, ""); |
| } |
| } |
| |
| /* Print the name of the type (or the ultimate pointer target, |
| function value or array element), or the description of a structure |
| or union. |
| |
| SHOW positive means print details about the type (e.g. enum |
| values), and print structure elements passing SHOW - 1 for show. |
| |
| SHOW negative means just print the type name or struct tag if there |
| is one. If there is no name, print something sensible but concise |
| like "struct {...}". |
| |
| SHOW zero means just print the type name or struct tag if there is |
| one. If there is no name, print something sensible but not as |
| concise like "struct {int x; int y;}". |
| |
| LEVEL is the number of spaces to indent by. |
| We increase it for some recursive calls. */ |
| |
| static void |
| c_type_print_base_1 (struct type *type, struct ui_file *stream, |
| int show, int level, |
| enum language language, |
| const struct type_print_options *flags, |
| struct print_offset_data *podata) |
| { |
| int i; |
| int len; |
| |
| QUIT; |
| |
| if (type == NULL) |
| { |
| fputs_styled (_("<type unknown>"), metadata_style.style (), stream); |
| return; |
| } |
| |
| /* When SHOW is zero or less, and there is a valid type name, then |
| always just print the type name directly from the type. */ |
| |
| if (show <= 0 |
| && type->name () != NULL) |
| { |
| c_type_print_modifier (type, stream, 0, 1, language); |
| |
| /* If we have "typedef struct foo {. . .} bar;" do we want to |
| print it as "struct foo" or as "bar"? Pick the latter for |
| C++, because C++ folk tend to expect things like "class5 |
| *foo" rather than "struct class5 *foo". We rather |
| arbitrarily choose to make language_minimal work in a C-like |
| way. */ |
| if (language == language_c || language == language_minimal) |
| { |
| if (type->code () == TYPE_CODE_UNION) |
| gdb_printf (stream, "union "); |
| else if (type->code () == TYPE_CODE_STRUCT) |
| { |
| if (type->is_declared_class ()) |
| gdb_printf (stream, "class "); |
| else |
| gdb_printf (stream, "struct "); |
| } |
| else if (type->code () == TYPE_CODE_ENUM) |
| gdb_printf (stream, "enum "); |
| } |
| |
| print_name_maybe_canonical (type->name (), flags, stream); |
| return; |
| } |
| |
| type = check_typedef (type); |
| |
| switch (type->code ()) |
| { |
| case TYPE_CODE_TYPEDEF: |
| /* If we get here, the typedef doesn't have a name, and we |
| couldn't resolve type::target_type. Not much we can do. */ |
| gdb_assert (type->name () == NULL); |
| gdb_assert (type->target_type () == NULL); |
| fprintf_styled (stream, metadata_style.style (), |
| _("<unnamed typedef>")); |
| break; |
| |
| case TYPE_CODE_FUNC: |
| case TYPE_CODE_METHOD: |
| if (type->target_type () == NULL) |
| type_print_unknown_return_type (stream); |
| else |
| c_type_print_base_1 (type->target_type (), |
| stream, show, level, language, flags, podata); |
| break; |
| case TYPE_CODE_ARRAY: |
| case TYPE_CODE_PTR: |
| case TYPE_CODE_MEMBERPTR: |
| case TYPE_CODE_REF: |
| case TYPE_CODE_RVALUE_REF: |
| case TYPE_CODE_METHODPTR: |
| c_type_print_base_1 (type->target_type (), |
| stream, show, level, language, flags, podata); |
| break; |
| |
| case TYPE_CODE_STRUCT: |
| case TYPE_CODE_UNION: |
| c_type_print_base_struct_union (type, stream, show, level, |
| language, flags, podata); |
| break; |
| |
| case TYPE_CODE_ENUM: |
| c_type_print_modifier (type, stream, 0, 1, language); |
| gdb_printf (stream, "enum "); |
| if (type->is_declared_class ()) |
| gdb_printf (stream, "class "); |
| /* Print the tag name if it exists. |
| The aCC compiler emits a spurious |
| "{unnamed struct}"/"{unnamed union}"/"{unnamed enum}" |
| tag for unnamed struct/union/enum's, which we don't |
| want to print. */ |
| if (type->name () != NULL |
| && !startswith (type->name (), "{unnamed")) |
| { |
| print_name_maybe_canonical (type->name (), flags, stream); |
| if (show > 0) |
| gdb_puts (" ", stream); |
| } |
| |
| stream->wrap_here (4); |
| if (show < 0) |
| { |
| /* If we just printed a tag name, no need to print anything |
| else. */ |
| if (type->name () == NULL) |
| gdb_printf (stream, "{...}"); |
| } |
| else if (show > 0 || type->name () == NULL) |
| { |
| LONGEST lastval = 0; |
| |
| /* We can't handle this case perfectly, as DWARF does not |
| tell us whether or not the underlying type was specified |
| in the source (and other debug formats don't provide this |
| at all). We choose to print the underlying type, if it |
| has a name, when in C++ on the theory that it's better to |
| print too much than too little; but conversely not to |
| print something egregiously outside the current |
| language's syntax. */ |
| if (language == language_cplus && type->target_type () != NULL) |
| { |
| struct type *underlying = check_typedef (type->target_type ()); |
| |
| if (underlying->name () != NULL) |
| gdb_printf (stream, ": %s ", underlying->name ()); |
| } |
| |
| gdb_printf (stream, "{"); |
| len = type->num_fields (); |
| for (i = 0; i < len; i++) |
| { |
| QUIT; |
| if (i) |
| gdb_printf (stream, ", "); |
| stream->wrap_here (4); |
| fputs_styled (type->field (i).name (), |
| variable_name_style.style (), stream); |
| if (lastval != type->field (i).loc_enumval ()) |
| { |
| gdb_printf (stream, " = %s", |
| plongest (type->field (i).loc_enumval ())); |
| lastval = type->field (i).loc_enumval (); |
| } |
| lastval++; |
| } |
| gdb_printf (stream, "}"); |
| } |
| break; |
| |
| case TYPE_CODE_FLAGS: |
| { |
| struct type_print_options local_flags = *flags; |
| |
| local_flags.local_typedefs = NULL; |
| |
| c_type_print_modifier (type, stream, 0, 1, language); |
| gdb_printf (stream, "flag "); |
| print_name_maybe_canonical (type->name (), flags, stream); |
| if (show > 0) |
| { |
| gdb_puts (" ", stream); |
| gdb_printf (stream, "{\n"); |
| if (type->num_fields () == 0) |
| { |
| if (type->is_stub ()) |
| gdb_printf (stream, |
| _("%*s%p[<incomplete type>%p]\n"), |
| level + 4, "", |
| metadata_style.style ().ptr (), nullptr); |
| else |
| gdb_printf (stream, |
| _("%*s%p[<no data fields>%p]\n"), |
| level + 4, "", |
| metadata_style.style ().ptr (), nullptr); |
| } |
| len = type->num_fields (); |
| for (i = 0; i < len; i++) |
| { |
| QUIT; |
| print_spaces (level + 4, stream); |
| /* We pass "show" here and not "show - 1" to get enum types |
| printed. There's no other way to see them. */ |
| c_print_type_1 (type->field (i).type (), |
| type->field (i).name (), |
| stream, show, level + 4, |
| language, &local_flags, podata); |
| gdb_printf (stream, " @%s", |
| plongest (type->field (i).loc_bitpos ())); |
| if (type->field (i).bitsize () > 1) |
| { |
| gdb_printf (stream, "-%s", |
| plongest (type->field (i).loc_bitpos () |
| + type->field (i).bitsize () |
| - 1)); |
| } |
| gdb_printf (stream, ";\n"); |
| } |
| gdb_printf (stream, "%*s}", level, ""); |
| } |
| } |
| break; |
| |
| case TYPE_CODE_VOID: |
| gdb_printf (stream, "void"); |
| break; |
| |
| case TYPE_CODE_UNDEF: |
| gdb_printf (stream, _("struct <unknown>")); |
| break; |
| |
| case TYPE_CODE_ERROR: |
| gdb_printf (stream, "%s", TYPE_ERROR_NAME (type)); |
| break; |
| |
| case TYPE_CODE_RANGE: |
| /* This should not occur. */ |
| fprintf_styled (stream, metadata_style.style (), _("<range type>")); |
| break; |
| |
| case TYPE_CODE_FIXED_POINT: |
| print_type_fixed_point (type, stream); |
| break; |
| |
| case TYPE_CODE_NAMESPACE: |
| gdb_puts ("namespace ", stream); |
| gdb_puts (type->name (), stream); |
| break; |
| |
| default: |
| /* Handle types not explicitly handled by the other cases, such |
| as fundamental types. For these, just print whatever the |
| type name is, as recorded in the type itself. If there is no |
| type name, then complain. */ |
| if (type->name () != NULL) |
| { |
| c_type_print_modifier (type, stream, 0, 1, language); |
| print_name_maybe_canonical (type->name (), flags, stream); |
| } |
| else |
| { |
| /* At least for dump_symtab, it is important that this not |
| be an error (). */ |
| fprintf_styled (stream, metadata_style.style (), |
| _("<invalid type code %d>"), type->code ()); |
| } |
| break; |
| } |
| } |
| |
| /* See c_type_print_base_1. */ |
| |
| void |
| c_type_print_base (struct type *type, struct ui_file *stream, |
| int show, int level, |
| const struct type_print_options *flags) |
| { |
| struct print_offset_data podata (flags); |
| |
| c_type_print_base_1 (type, stream, show, level, |
| current_language->la_language, flags, &podata); |
| } |