143 lines
4.5 KiB
C++
143 lines
4.5 KiB
C++
/* Language independent support for printing types for GDB, the GNU debugger.
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Copyright (C) 1986-2018 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef TYPEPRINT_H
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#define TYPEPRINT_H
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#include "gdb_obstack.h"
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enum language;
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struct ui_file;
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struct typedef_hash_table;
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struct ext_lang_type_printers;
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struct print_offset_data
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{
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/* The offset to be applied to bitpos when PRINT_OFFSETS is true.
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This is needed for when we are printing nested structs and want
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to make sure that the printed offset for each field carries over
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the offset of the outter struct. */
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unsigned int offset_bitpos = 0;
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/* END_BITPOS is the one-past-the-end bit position of the previous
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field (where we expect the current field to be if there is no
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hole). */
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unsigned int end_bitpos = 0;
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};
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struct type_print_options
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{
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/* True means that no special printing flags should apply. */
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unsigned int raw : 1;
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/* True means print methods in a class. */
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unsigned int print_methods : 1;
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/* True means print typedefs in a class. */
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unsigned int print_typedefs : 1;
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/* True means to print offsets, a la 'pahole'. */
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unsigned int print_offsets : 1;
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/* The number of nested type definitions to print. -1 == all. */
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int print_nested_type_limit;
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/* If not NULL, a local typedef hash table used when printing a
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type. */
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typedef_hash_table *local_typedefs;
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/* If not NULL, a global typedef hash table used when printing a
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type. */
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typedef_hash_table *global_typedefs;
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/* The list of type printers associated with the global typedef
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table. This is intentionally opaque. */
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struct ext_lang_type_printers *global_printers;
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};
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extern const struct type_print_options type_print_raw_options;
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/* A hash table holding typedef_field objects. This is more
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complicated than an ordinary hash because it must also track the
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lifetime of some -- but not all -- of the contained objects. */
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class typedef_hash_table
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{
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public:
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/* Create a new typedef-lookup hash table. */
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typedef_hash_table ();
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~typedef_hash_table ();
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/* Copy a typedef hash. */
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typedef_hash_table (const typedef_hash_table &);
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typedef_hash_table &operator= (const typedef_hash_table &) = delete;
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/* Add typedefs from T to the hash table TABLE. */
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void recursively_update (struct type *);
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/* Add template parameters from T to the typedef hash TABLE. */
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void add_template_parameters (struct type *t);
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/* Look up the type T in the typedef hash tables contained in FLAGS.
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The local table is searched first, then the global table (either
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table can be NULL, in which case it is skipped). If T is in a
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table, return its short (class-relative) typedef name. Otherwise
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return NULL. */
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static const char *find_typedef (const struct type_print_options *flags,
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struct type *t);
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private:
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static const char *find_global_typedef (const struct type_print_options *flags,
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struct type *t);
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/* The actual hash table. */
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htab_t m_table;
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/* Storage for typedef_field objects that must be synthesized. */
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auto_obstack m_storage;
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};
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void print_type_scalar (struct type * type, LONGEST, struct ui_file *);
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void c_type_print_varspec_suffix (struct type *, struct ui_file *, int,
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int, int, const struct type_print_options *);
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void c_type_print_args (struct type *, struct ui_file *, int, enum language,
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const struct type_print_options *);
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/* Print <unknown return type> to stream STREAM. */
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void type_print_unknown_return_type (struct ui_file *stream);
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/* Throw an error indicating that the user tried to use a symbol that
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has unknown type. SYM_PRINT_NAME is the name of the symbol, to be
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included in the error message. */
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extern void error_unknown_type (const char *sym_print_name);
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extern void val_print_not_allocated (struct ui_file *stream);
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extern void val_print_not_associated (struct ui_file *stream);
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#endif
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