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77c5f49648
This unifies arch_float_type and init_float_type by using a type allocator. Reviewed-By: Simon Marchi <simon.marchi@efficios.com>
290 lines
8.5 KiB
C
290 lines
8.5 KiB
C
/* D language support routines for GDB, the GNU debugger.
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Copyright (C) 2005-2023 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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#include "defs.h"
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#include "symtab.h"
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#include "language.h"
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#include "varobj.h"
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#include "d-lang.h"
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#include "c-lang.h"
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#include "demangle.h"
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#include "cp-support.h"
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#include "gdbarch.h"
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#include "parser-defs.h"
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/* The name of the symbol to use to get the name of the main subprogram. */
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static const char D_MAIN[] = "D main";
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/* Function returning the special symbol name used by D for the main
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procedure in the main program if it is found in minimal symbol list.
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This function tries to find minimal symbols so that it finds them even
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if the program was compiled without debugging information. */
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const char *
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d_main_name (void)
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{
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struct bound_minimal_symbol msym;
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msym = lookup_minimal_symbol (D_MAIN, NULL, NULL);
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if (msym.minsym != NULL)
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return D_MAIN;
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/* No known entry procedure found, the main program is probably not D. */
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return NULL;
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}
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/* Implements the la_demangle language_defn routine for language D. */
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gdb::unique_xmalloc_ptr<char>
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d_demangle (const char *symbol, int options)
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{
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return gdb_demangle (symbol, options | DMGL_DLANG);
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}
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/* Class representing the D language. */
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class d_language : public language_defn
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{
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public:
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d_language ()
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: language_defn (language_d)
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{ /* Nothing. */ }
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/* See language.h. */
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const char *name () const override
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{ return "d"; }
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/* See language.h. */
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const char *natural_name () const override
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{ return "D"; }
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/* See language.h. */
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const std::vector<const char *> &filename_extensions () const override
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{
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static const std::vector<const char *> extensions = { ".d" };
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return extensions;
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}
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/* See language.h. */
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void language_arch_info (struct gdbarch *gdbarch,
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struct language_arch_info *lai) const override
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{
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const struct builtin_d_type *builtin = builtin_d_type (gdbarch);
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/* Helper function to allow shorter lines below. */
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auto add = [&] (struct type * t)
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{
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lai->add_primitive_type (t);
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};
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add (builtin->builtin_void);
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add (builtin->builtin_bool);
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add (builtin->builtin_byte);
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add (builtin->builtin_ubyte);
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add (builtin->builtin_short);
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add (builtin->builtin_ushort);
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add (builtin->builtin_int);
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add (builtin->builtin_uint);
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add (builtin->builtin_long);
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add (builtin->builtin_ulong);
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add (builtin->builtin_cent);
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add (builtin->builtin_ucent);
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add (builtin->builtin_float);
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add (builtin->builtin_double);
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add (builtin->builtin_real);
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add (builtin->builtin_ifloat);
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add (builtin->builtin_idouble);
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add (builtin->builtin_ireal);
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add (builtin->builtin_cfloat);
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add (builtin->builtin_cdouble);
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add (builtin->builtin_creal);
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add (builtin->builtin_char);
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add (builtin->builtin_wchar);
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add (builtin->builtin_dchar);
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lai->set_string_char_type (builtin->builtin_char);
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lai->set_bool_type (builtin->builtin_bool, "bool");
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}
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/* See language.h. */
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bool sniff_from_mangled_name
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(const char *mangled,
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gdb::unique_xmalloc_ptr<char> *demangled) const override
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{
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*demangled = d_demangle (mangled, 0);
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return *demangled != NULL;
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}
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/* See language.h. */
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gdb::unique_xmalloc_ptr<char> demangle_symbol (const char *mangled,
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int options) const override
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{
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return d_demangle (mangled, options);
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}
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/* See language.h. */
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bool can_print_type_offsets () const override
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{
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return true;
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}
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/* See language.h. */
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void print_type (struct type *type, const char *varstring,
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struct ui_file *stream, int show, int level,
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const struct type_print_options *flags) const override
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{
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c_print_type (type, varstring, stream, show, level, la_language, flags);
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}
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/* See language.h. */
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void value_print_inner
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(struct value *val, struct ui_file *stream, int recurse,
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const struct value_print_options *options) const override
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{
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return d_value_print_inner (val, stream, recurse, options);
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}
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/* See language.h. */
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struct block_symbol lookup_symbol_nonlocal
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(const char *name, const struct block *block,
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const domain_enum domain) const override
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{
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return d_lookup_symbol_nonlocal (this, name, block, domain);
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}
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/* See language.h. */
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int parser (struct parser_state *ps) const override
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{
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return d_parse (ps);
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}
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/* See language.h. */
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const char *name_of_this () const override
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{ return "this"; }
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};
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/* Single instance of the D language class. */
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static d_language d_language_defn;
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/* Build all D language types for the specified architecture. */
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static struct builtin_d_type *
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build_d_types (struct gdbarch *gdbarch)
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{
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struct builtin_d_type *builtin_d_type = new struct builtin_d_type;
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/* Basic types. */
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type_allocator alloc (gdbarch);
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builtin_d_type->builtin_void = builtin_type (gdbarch)->builtin_void;
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builtin_d_type->builtin_bool
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= init_boolean_type (alloc, 8, 1, "bool");
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builtin_d_type->builtin_byte
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= init_integer_type (alloc, 8, 0, "byte");
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builtin_d_type->builtin_ubyte
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= init_integer_type (alloc, 8, 1, "ubyte");
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builtin_d_type->builtin_short
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= init_integer_type (alloc, 16, 0, "short");
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builtin_d_type->builtin_ushort
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= init_integer_type (alloc, 16, 1, "ushort");
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builtin_d_type->builtin_int
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= init_integer_type (alloc, 32, 0, "int");
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builtin_d_type->builtin_uint
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= init_integer_type (alloc, 32, 1, "uint");
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builtin_d_type->builtin_long
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= init_integer_type (alloc, 64, 0, "long");
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builtin_d_type->builtin_ulong
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= init_integer_type (alloc, 64, 1, "ulong");
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builtin_d_type->builtin_cent
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= init_integer_type (alloc, 128, 0, "cent");
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builtin_d_type->builtin_ucent
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= init_integer_type (alloc, 128, 1, "ucent");
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builtin_d_type->builtin_float
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= init_float_type (alloc, gdbarch_float_bit (gdbarch),
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"float", gdbarch_float_format (gdbarch));
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builtin_d_type->builtin_double
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= init_float_type (alloc, gdbarch_double_bit (gdbarch),
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"double", gdbarch_double_format (gdbarch));
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builtin_d_type->builtin_real
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= init_float_type (alloc, gdbarch_long_double_bit (gdbarch),
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"real", gdbarch_long_double_format (gdbarch));
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builtin_d_type->builtin_byte->set_instance_flags
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(builtin_d_type->builtin_byte->instance_flags ()
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| TYPE_INSTANCE_FLAG_NOTTEXT);
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builtin_d_type->builtin_ubyte->set_instance_flags
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(builtin_d_type->builtin_ubyte->instance_flags ()
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| TYPE_INSTANCE_FLAG_NOTTEXT);
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/* Imaginary and complex types. */
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builtin_d_type->builtin_ifloat
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= init_float_type (alloc, gdbarch_float_bit (gdbarch),
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"ifloat", gdbarch_float_format (gdbarch));
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builtin_d_type->builtin_idouble
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= init_float_type (alloc, gdbarch_double_bit (gdbarch),
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"idouble", gdbarch_double_format (gdbarch));
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builtin_d_type->builtin_ireal
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= init_float_type (alloc, gdbarch_long_double_bit (gdbarch),
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"ireal", gdbarch_long_double_format (gdbarch));
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builtin_d_type->builtin_cfloat
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= init_complex_type ("cfloat", builtin_d_type->builtin_float);
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builtin_d_type->builtin_cdouble
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= init_complex_type ("cdouble", builtin_d_type->builtin_double);
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builtin_d_type->builtin_creal
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= init_complex_type ("creal", builtin_d_type->builtin_real);
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/* Character types. */
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builtin_d_type->builtin_char
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= init_character_type (alloc, 8, 1, "char");
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builtin_d_type->builtin_wchar
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= init_character_type (alloc, 16, 1, "wchar");
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builtin_d_type->builtin_dchar
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= init_character_type (alloc, 32, 1, "dchar");
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return builtin_d_type;
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}
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static const registry<gdbarch>::key<struct builtin_d_type> d_type_data;
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/* Return the D type table for the specified architecture. */
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const struct builtin_d_type *
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builtin_d_type (struct gdbarch *gdbarch)
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{
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struct builtin_d_type *result = d_type_data.get (gdbarch);
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if (result == nullptr)
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{
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result = build_d_types (gdbarch);
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d_type_data.set (gdbarch, result);
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}
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return result;
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}
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