197e01b6dc
* arm-tdep.c: * ia64-tdep.c: * i386-tdep.c: * hpread.c: * hppa-tdep.c: * hppa-hpux-tdep.c: * gnu-nat.c: * gdbtypes.c: * gdbarch.h: * gdbarch.c: * eval.c: * dwarf2read.c: * dbxread.c: * copying: * symfile.c: * stabsread.c: * sh64-tdep.c: * sh-tdep.c: * s390-tdep.c: * rs6000-tdep.c: * remote.c: * remote-mips.c: * mips-tdep.c: * mdebugread.c: * linux-nat.c: * infrun.c: * xcoffread.c: * win32-nat.c: * valops.c: * utils.c: * tracepoint.c: * target.c: * symtab.c: * c-exp.y: * ada-valprint.c: * ada-typeprint.c: * ada-lex.l: * ada-lang.h: * ada-lang.c: * ada-exp.y: * alphafbsd-tdep.c: * alphabsd-tdep.h: * alphabsd-tdep.c: * alphabsd-nat.c: * alpha-tdep.h: * alpha-tdep.c: * alpha-osf1-tdep.c: * alpha-nat.c: * alpha-mdebug-tdep.c: * alpha-linux-tdep.c: * alpha-linux-nat.c: * aix-thread.c: * abug-rom.c: * arch-utils.c: * annotate.h: * annotate.c: * amd64obsd-tdep.c: * amd64obsd-nat.c: * amd64nbsd-tdep.c: * amd64nbsd-nat.c: * amd64fbsd-tdep.c: * amd64fbsd-nat.c: * amd64bsd-nat.c: * amd64-tdep.h: * amd64-tdep.c: * amd64-sol2-tdep.c: * amd64-nat.h: * amd64-nat.c: * amd64-linux-tdep.c: * amd64-linux-nat.c: * alphanbsd-tdep.c: * block.h: * block.c: * bfd-target.h: * bfd-target.c: * bcache.h: * bcache.c: * ax.h: * ax-general.c: * ax-gdb.h: * ax-gdb.c: * avr-tdep.c: * auxv.h: * auxv.c: * armnbsd-tdep.c: * armnbsd-nat.c: * arm-tdep.h: * arm-linux-nat.c: * arch-utils.h: * charset.c: * call-cmds.h: * c-valprint.c: * c-typeprint.c: * c-lang.h: * c-lang.c: * buildsym.h: * buildsym.c: * bsd-uthread.h: * bsd-uthread.c: * bsd-kvm.h: * bsd-kvm.c: * breakpoint.h: * core-regset.c: * core-aout.c: * completer.h: * completer.c: * complaints.h: * complaints.c: * command.h: * coffread.c: * coff-solib.h: * coff-solib.c: * coff-pe-read.h: * coff-pe-read.c: * cli-out.h: * cli-out.c: * charset.h: * dink32-rom.c: * dictionary.h: * dictionary.c: * demangle.c: * defs.h: * dcache.h: * dcache.c: * d10v-tdep.c: * cpu32bug-rom.c: * cp-valprint.c: * cp-support.h: * cp-support.c: * cp-namespace.c: * cp-abi.h: * cp-abi.c: * corelow.c: * corefile.c: * environ.c: * elfread.c: * dwarfread.c: * dwarf2loc.c: * dwarf2expr.h: * dwarf2expr.c: * dwarf2-frame.h: * dwarf2-frame.c: * dve3900-rom.c: * dummy-frame.h: * dummy-frame.c: * dsrec.c: * doublest.h: * doublest.c: * disasm.h: * disasm.c: * fork-child.c: * findvar.c: * fbsd-nat.h: * fbsd-nat.c: * f-valprint.c: * f-typeprint.c: * f-lang.h: * f-lang.c: * expression.h: * expprint.c: * exec.h: * exec.c: * exceptions.h: * exceptions.c: * event-top.h: * event-top.c: * event-loop.h: * event-loop.c: * gdb.c: * gdb-stabs.h: * gdb-events.h: * gdb-events.c: * gcore.c: * frv-tdep.h: * frv-tdep.c: * frv-linux-tdep.c: * frame.h: * frame.c: * frame-unwind.h: * frame-unwind.c: * frame-base.h: * frame-base.c: * gdb_vfork.h: * gdb_thread_db.h: * gdb_string.h: * gdb_stat.h: * gdb_regex.h: * gdb_ptrace.h: * gdb_proc_service.h: * gdb_obstack.h: * gdb_locale.h: * gdb_dirent.h: * gdb_curses.h: * gdb_assert.h: * gdbarch.sh: * gdb.h: * hpux-thread.c: * hppabsd-nat.c: * hppa-tdep.h: * hpacc-abi.c: * h8300-tdep.c: * gregset.h: * go32-nat.c: * gnu-v3-abi.c: * gnu-v2-abi.h: * gnu-v2-abi.c: * gnu-nat.h: * glibc-tdep.c: * gdbtypes.h: * gdbcore.h: * gdbcmd.h: * i386nbsd-tdep.c: * i386nbsd-nat.c: * i386gnu-tdep.c: * i386gnu-nat.c: * i386fbsd-tdep.c: * i386fbsd-nat.c: * i386bsd-tdep.c: * i386bsd-nat.h: * i386bsd-nat.c: * i386-tdep.h: * i386-sol2-nat.c: * i386-nto-tdep.c: * i386-nat.c: * i386-linux-tdep.h: * i386-linux-tdep.c: * i386-linux-nat.c: * i386-cygwin-tdep.c: * inf-ttrace.c: * inf-ptrace.h: * inf-ptrace.c: * inf-loop.h: * inf-loop.c: * inf-child.h: * inf-child.c: * ia64-tdep.h: * ia64-linux-nat.c: * i387-tdep.h: * i387-tdep.c: * i386v4-nat.c: * i386v-nat.c: * i386obsd-tdep.c: * i386obsd-nat.c: * kod.c: * jv-valprint.c: * jv-typeprint.c: * jv-lang.h: * jv-lang.c: * irix5-nat.c: * iq2000-tdep.c: * interps.h: * interps.c: * inftarg.c: * inflow.h: * inflow.c: * inferior.h: * infcmd.c: * infcall.h: * infcall.c: * inf-ttrace.h: * m32r-tdep.h: * m32r-tdep.c: * m32r-rom.c: * m32r-linux-tdep.c: * m32r-linux-nat.c: * m2-valprint.c: * m2-typeprint.c: * m2-lang.h: * m2-lang.c: * lynx-nat.c: * linux-thread-db.c: * linux-nat.h: * linespec.c: * libunwind-frame.h: * libunwind-frame.c: * language.h: * language.c: * macroexp.c: * macrocmd.c: * m88kbsd-nat.c: * m88k-tdep.h: * m88k-tdep.c: * m68klinux-tdep.c: * m68klinux-nat.c: * m68kbsd-tdep.c: * m68kbsd-nat.c: * m68k-tdep.h: * m68k-tdep.c: * mips-linux-nat.c: * mips-irix-tdep.c: * minsyms.c: * memattr.h: * memattr.c: * mem-break.c: * mdebugread.h: * main.h: * main.c: * macrotab.h: * macrotab.c: * macroscope.h: * macroscope.c: * macroexp.h: * nbsd-tdep.c: * mt-tdep.c: * monitor.h: * monitor.c: * mn10300-tdep.h: * mn10300-tdep.c: * mn10300-linux-tdep.c: * mipsv4-nat.c: * mipsread.c: * mipsnbsd-tdep.h: * mipsnbsd-tdep.c: * mipsnbsd-nat.c: * mips64obsd-tdep.c: * mips64obsd-nat.c: * mips-tdep.h: * mips-mdebug-tdep.c: * mips-linux-tdep.c: * osabi.h: * osabi.c: * ocd.h: * ocd.c: * observer.c: * objfiles.h: * objfiles.c: * objc-lang.h: * objc-lang.c: * objc-exp.y: * nto-tdep.h: * nto-tdep.c: * nto-procfs.c: * nlmread.c: * nbsd-tdep.h: * ppcobsd-tdep.c: * ppcobsd-nat.c: * ppcnbsd-tdep.h: * ppcnbsd-tdep.c: * ppcnbsd-nat.c: * ppcbug-rom.c: * ppc-tdep.h: * ppc-sysv-tdep.c: * ppc-linux-tdep.c: * ppc-linux-nat.c: * ppc-bdm.c: * parser-defs.h: * parse.c: * p-valprint.c: * p-typeprint.c: * p-lang.h: * p-lang.c: * remote-fileio.h: * remote-fileio.c: * remote-est.c: * remote-e7000.c: * regset.h: * regset.c: * reggroups.h: * reggroups.c: * regcache.h: * regcache.c: * proc-why.c: * proc-service.c: * proc-events.c: * printcmd.c: * ppcobsd-tdep.h: * sentinel-frame.h: * sentinel-frame.c: * scm-valprint.c: * scm-tags.h: * scm-lang.h: * scm-lang.c: * scm-exp.c: * s390-tdep.h: * rom68k-rom.c: * remote.h: * remote-utils.c: * remote-st.c: * remote-sim.c: * remote-sds.c: * remote-rdp.c: * remote-rdi.c: * remote-hms.c: * sim-regno.h: * shnbsd-tdep.h: * shnbsd-tdep.c: * shnbsd-nat.c: * sh-tdep.h: * serial.h: * serial.c: * ser-unix.h: * ser-unix.c: * ser-tcp.c: * ser-pipe.c: * ser-go32.c: * ser-e7kpc.c: * ser-base.h: * ser-base.c: * solib.c: * solib-svr4.h: * solib-svr4.c: * solib-sunos.c: * solib-som.h: * solib-som.c: * solib-pa64.h: * solib-pa64.c: * solib-osf.c: * solib-null.c: * solib-legacy.c: * solib-irix.c: * solib-frv.c: * solib-aix5.c: * sol-thread.c: * sparc64-linux-tdep.c: * sparc64-linux-nat.c: * sparc-tdep.h: * sparc-tdep.c: * sparc-sol2-tdep.c: * sparc-sol2-nat.c: * sparc-nat.h: * sparc-nat.c: * sparc-linux-tdep.c: * sparc-linux-nat.c: * source.h: * source.c: * somread.c: * solist.h: * solib.h: * std-regs.c: * stack.h: * stack.c: * stabsread.h: * sparcobsd-tdep.c: * sparcnbsd-tdep.c: * sparcnbsd-nat.c: * sparc64obsd-tdep.c: * sparc64nbsd-tdep.c: * sparc64nbsd-nat.c: * sparc64fbsd-tdep.c: * sparc64fbsd-nat.c: * sparc64-tdep.h: * sparc64-tdep.c: * sparc64-sol2-tdep.c: * sparc64-nat.c: * ui-file.c: * typeprint.h: * typeprint.c: * tramp-frame.h: * tramp-frame.c: * trad-frame.h: * trad-frame.c: * tracepoint.h: * top.c: * tobs.inc: * thread.c: * terminal.h: * target.h: * symfile.h: * stop-gdb.c: * vaxbsd-nat.c: * vax-tdep.h: * vax-tdep.c: * vax-nat.c: * varobj.h: * varobj.c: * value.h: * value.c: * valprint.h: * valprint.c: * v850-tdep.c: * uw-thread.c: * user-regs.c: * ui-out.h: * ui-out.c: * ui-file.h: * xcoffsolib.h: * xcoffsolib.c: * wrapper.c: * wince.c: * wince-stub.h: * wince-stub.c: * vaxobsd-tdep.c: * vaxnbsd-tdep.c: * gdb_gcore.sh: * copying.c: * configure.ac: * aclocal.m4: * acinclude.m4: * reply_mig_hack.awk: * observer.sh: * gdb_mbuild.sh: * arm-linux-tdep.c: * blockframe.c: * dbug-rom.c: * environ.h: * dwarf2loc.h: * gdb-events.sh: * glibc-tdep.h: * gdb_wait.h: * gdbthread.h: * i386-sol2-tdep.c: * hppabsd-tdep.c: * hppa-linux-nat.c: * hppa-hpux-nat.c: * ia64-linux-tdep.c: * infptrace.c: * linespec.h: * maint.c: * mips-mdebug-tdep.h: * remote-m32r-sdi.c: * s390-nat.c: * rs6000-nat.c: * remote-utils.h: * sh3-rom.c: * sh-linux-tdep.c: * top.h: * symtab.h: * symmisc.c: * symfile-mem.c: * srec.h: * user-regs.h: * version.h: * valarith.c: * xstormy16-tdep.c: * wrapper.h: * Makefile.in: * f-exp.y: * cris-tdep.c: * cp-name-parser.y: * procfs.c: * proc-utils.h: * proc-flags.c: * proc-api.c: * p-exp.y: * m68hc11-tdep.c: * m2-exp.y: * kod.h: * kod-cisco.c: * jv-exp.y: * hppa-linux-tdep.c: Add (c) after Copyright. Update the FSF address.
863 lines
24 KiB
C
863 lines
24 KiB
C
/* Support for printing Ada types for GDB, the GNU debugger.
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Copyright (C) 1986, 1988, 1989, 1991, 1997, 1998, 1999, 2000,
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2001, 2002, 2003, 2004 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 2 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, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA. */
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#include "defs.h"
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#include "gdb_obstack.h"
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#include "bfd.h" /* Binary File Description */
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#include "symtab.h"
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#include "gdbtypes.h"
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#include "expression.h"
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#include "value.h"
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#include "gdbcore.h"
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#include "target.h"
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#include "command.h"
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#include "gdbcmd.h"
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#include "language.h"
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#include "demangle.h"
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#include "c-lang.h"
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#include "typeprint.h"
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#include "ada-lang.h"
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#include <ctype.h>
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#include "gdb_string.h"
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#include <errno.h>
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static int print_record_field_types (struct type *, struct type *,
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struct ui_file *, int, int);
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static void print_array_type (struct type *, struct ui_file *, int, int);
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static void print_choices (struct type *, int, struct ui_file *,
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struct type *);
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static void print_range (struct type *, struct ui_file *);
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static void print_range_bound (struct type *, char *, int *,
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struct ui_file *);
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static void
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print_dynamic_range_bound (struct type *, const char *, int,
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const char *, struct ui_file *);
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static void print_range_type_named (char *, struct ui_file *);
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static char *name_buffer;
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static int name_buffer_len;
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/* The (decoded) Ada name of TYPE. This value persists until the
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next call. */
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static char *
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decoded_type_name (struct type *type)
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{
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if (ada_type_name (type) == NULL)
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return NULL;
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else
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{
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char *raw_name = ada_type_name (type);
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char *s, *q;
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if (name_buffer == NULL || name_buffer_len <= strlen (raw_name))
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{
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name_buffer_len = 16 + 2 * strlen (raw_name);
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name_buffer = xrealloc (name_buffer, name_buffer_len);
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}
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strcpy (name_buffer, raw_name);
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s = (char *) strstr (name_buffer, "___");
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if (s != NULL)
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*s = '\0';
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s = name_buffer + strlen (name_buffer) - 1;
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while (s > name_buffer && (s[0] != '_' || s[-1] != '_'))
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s -= 1;
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if (s == name_buffer)
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return name_buffer;
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if (!islower (s[1]))
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return NULL;
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for (s = q = name_buffer; *s != '\0'; q += 1)
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{
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if (s[0] == '_' && s[1] == '_')
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{
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*q = '.';
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s += 2;
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}
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else
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{
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*q = *s;
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s += 1;
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}
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}
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*q = '\0';
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return name_buffer;
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}
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}
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/* Print a description of a type in the format of a
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typedef for the current language.
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NEW is the new name for a type TYPE. */
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void
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ada_typedef_print (struct type *type, struct symbol *new,
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struct ui_file *stream)
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{
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/* XXX: type_sprint */
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fprintf_filtered (stream, "type %.*s is ",
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ada_name_prefix_len (SYMBOL_PRINT_NAME (new)),
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SYMBOL_PRINT_NAME (new));
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type_print (type, "", stream, 1);
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}
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/* Print range type TYPE on STREAM. */
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static void
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print_range (struct type *type, struct ui_file *stream)
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{
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struct type *target_type;
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target_type = TYPE_TARGET_TYPE (type);
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if (target_type == NULL)
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target_type = type;
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switch (TYPE_CODE (target_type))
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{
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case TYPE_CODE_RANGE:
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case TYPE_CODE_INT:
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case TYPE_CODE_BOOL:
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case TYPE_CODE_CHAR:
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case TYPE_CODE_ENUM:
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break;
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default:
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target_type = builtin_type_int;
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break;
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}
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if (TYPE_NFIELDS (type) < 2)
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{
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/* A range needs at least 2 bounds to be printed. If there are less
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than 2, just print the type name instead of the range itself.
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This check handles cases such as characters, for example.
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Note that if the name is not defined, then we don't print anything.
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*/
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fprintf_filtered (stream, "%.*s",
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ada_name_prefix_len (TYPE_NAME (type)),
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TYPE_NAME (type));
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}
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else
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{
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/* We extract the range type bounds respectively from the first element
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and the last element of the type->fields array */
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const LONGEST lower_bound = (LONGEST) TYPE_LOW_BOUND (type);
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const LONGEST upper_bound =
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(LONGEST) TYPE_FIELD_BITPOS (type, TYPE_NFIELDS (type) - 1);
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ada_print_scalar (target_type, lower_bound, stream);
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fprintf_filtered (stream, " .. ");
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ada_print_scalar (target_type, upper_bound, stream);
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}
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}
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/* Print the number or discriminant bound at BOUNDS+*N on STREAM, and
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set *N past the bound and its delimiter, if any. */
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static void
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print_range_bound (struct type *type, char *bounds, int *n,
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struct ui_file *stream)
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{
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LONGEST B;
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if (ada_scan_number (bounds, *n, &B, n))
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{
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/* STABS decodes all range types which bounds are 0 .. -1 as
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unsigned integers (ie. the type code is TYPE_CODE_INT, not
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TYPE_CODE_RANGE). Unfortunately, ada_print_scalar() relies
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on the unsigned flag to determine whether the bound should
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be printed as a signed or an unsigned value. This causes
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the upper bound of the 0 .. -1 range types to be printed as
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a very large unsigned number instead of -1.
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To workaround this stabs deficiency, we replace the TYPE by
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builtin_type_long when we detect that the bound is negative,
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and the type is a TYPE_CODE_INT. The bound is negative when
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'm' is the last character of the number scanned in BOUNDS. */
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if (bounds[*n - 1] == 'm' && TYPE_CODE (type) == TYPE_CODE_INT)
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type = builtin_type_long;
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ada_print_scalar (type, B, stream);
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if (bounds[*n] == '_')
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*n += 2;
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}
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else
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{
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int bound_len;
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char *bound = bounds + *n;
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char *pend;
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pend = strstr (bound, "__");
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if (pend == NULL)
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*n += bound_len = strlen (bound);
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else
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{
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bound_len = pend - bound;
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*n += bound_len + 2;
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}
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fprintf_filtered (stream, "%.*s", bound_len, bound);
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}
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}
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/* Assuming NAME[0 .. NAME_LEN-1] is the name of a range type, print
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the value (if found) of the bound indicated by SUFFIX ("___L" or
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"___U") according to the ___XD conventions. */
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static void
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print_dynamic_range_bound (struct type *type, const char *name, int name_len,
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const char *suffix, struct ui_file *stream)
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{
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static char *name_buf = NULL;
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static size_t name_buf_len = 0;
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LONGEST B;
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int OK;
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GROW_VECT (name_buf, name_buf_len, name_len + strlen (suffix) + 1);
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strncpy (name_buf, name, name_len);
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strcpy (name_buf + name_len, suffix);
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B = get_int_var_value (name_buf, &OK);
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if (OK)
|
||
ada_print_scalar (type, B, stream);
|
||
else
|
||
fprintf_filtered (stream, "?");
|
||
}
|
||
|
||
/* Print the range type named NAME. */
|
||
|
||
static void
|
||
print_range_type_named (char *name, struct ui_file *stream)
|
||
{
|
||
struct type *raw_type = ada_find_any_type (name);
|
||
struct type *base_type;
|
||
char *subtype_info;
|
||
|
||
if (raw_type == NULL)
|
||
base_type = builtin_type_int;
|
||
else if (TYPE_CODE (raw_type) == TYPE_CODE_RANGE)
|
||
base_type = TYPE_TARGET_TYPE (raw_type);
|
||
else
|
||
base_type = raw_type;
|
||
|
||
subtype_info = strstr (name, "___XD");
|
||
if (subtype_info == NULL && raw_type == NULL)
|
||
fprintf_filtered (stream, "? .. ?");
|
||
else if (subtype_info == NULL)
|
||
print_range (raw_type, stream);
|
||
else
|
||
{
|
||
int prefix_len = subtype_info - name;
|
||
char *bounds_str;
|
||
int n;
|
||
|
||
subtype_info += 5;
|
||
bounds_str = strchr (subtype_info, '_');
|
||
n = 1;
|
||
|
||
if (*subtype_info == 'L')
|
||
{
|
||
print_range_bound (base_type, bounds_str, &n, stream);
|
||
subtype_info += 1;
|
||
}
|
||
else
|
||
print_dynamic_range_bound (base_type, name, prefix_len, "___L",
|
||
stream);
|
||
|
||
fprintf_filtered (stream, " .. ");
|
||
|
||
if (*subtype_info == 'U')
|
||
print_range_bound (base_type, bounds_str, &n, stream);
|
||
else
|
||
print_dynamic_range_bound (base_type, name, prefix_len, "___U",
|
||
stream);
|
||
}
|
||
}
|
||
|
||
/* Print enumerated type TYPE on STREAM. */
|
||
|
||
static void
|
||
print_enum_type (struct type *type, struct ui_file *stream)
|
||
{
|
||
int len = TYPE_NFIELDS (type);
|
||
int i, lastval;
|
||
|
||
fprintf_filtered (stream, "(");
|
||
wrap_here (" ");
|
||
|
||
lastval = 0;
|
||
for (i = 0; i < len; i++)
|
||
{
|
||
QUIT;
|
||
if (i)
|
||
fprintf_filtered (stream, ", ");
|
||
wrap_here (" ");
|
||
fputs_filtered (ada_enum_name (TYPE_FIELD_NAME (type, i)), stream);
|
||
if (lastval != TYPE_FIELD_BITPOS (type, i))
|
||
{
|
||
fprintf_filtered (stream, " => %d", TYPE_FIELD_BITPOS (type, i));
|
||
lastval = TYPE_FIELD_BITPOS (type, i);
|
||
}
|
||
lastval += 1;
|
||
}
|
||
fprintf_filtered (stream, ")");
|
||
}
|
||
|
||
/* Print representation of Ada fixed-point type TYPE on STREAM. */
|
||
|
||
static void
|
||
print_fixed_point_type (struct type *type, struct ui_file *stream)
|
||
{
|
||
DOUBLEST delta = ada_delta (type);
|
||
DOUBLEST small = ada_fixed_to_float (type, 1.0);
|
||
|
||
if (delta < 0.0)
|
||
fprintf_filtered (stream, "delta ??");
|
||
else
|
||
{
|
||
fprintf_filtered (stream, "delta %g", (double) delta);
|
||
if (delta != small)
|
||
fprintf_filtered (stream, " <'small = %g>", (double) small);
|
||
}
|
||
}
|
||
|
||
/* Print representation of special VAX floating-point type TYPE on STREAM. */
|
||
|
||
static void
|
||
print_vax_floating_point_type (struct type *type, struct ui_file *stream)
|
||
{
|
||
fprintf_filtered (stream, "<float format %c>",
|
||
ada_vax_float_type_suffix (type));
|
||
}
|
||
|
||
/* Print simple (constrained) array type TYPE on STREAM. LEVEL is the
|
||
recursion (indentation) level, in case the element type itself has
|
||
nested structure, and SHOW is the number of levels of internal
|
||
structure to show (see ada_print_type). */
|
||
|
||
static void
|
||
print_array_type (struct type *type, struct ui_file *stream, int show,
|
||
int level)
|
||
{
|
||
int bitsize;
|
||
int n_indices;
|
||
|
||
bitsize = 0;
|
||
fprintf_filtered (stream, "array (");
|
||
|
||
n_indices = -1;
|
||
if (show < 0)
|
||
fprintf_filtered (stream, "...");
|
||
else
|
||
{
|
||
if (ada_is_packed_array_type (type))
|
||
type = ada_coerce_to_simple_array_type (type);
|
||
if (type == NULL)
|
||
{
|
||
fprintf_filtered (stream, "<undecipherable array type>");
|
||
return;
|
||
}
|
||
if (ada_is_simple_array_type (type))
|
||
{
|
||
struct type *range_desc_type =
|
||
ada_find_parallel_type (type, "___XA");
|
||
struct type *arr_type;
|
||
|
||
bitsize = 0;
|
||
if (range_desc_type == NULL)
|
||
{
|
||
for (arr_type = type; TYPE_CODE (arr_type) == TYPE_CODE_ARRAY;
|
||
arr_type = TYPE_TARGET_TYPE (arr_type))
|
||
{
|
||
if (arr_type != type)
|
||
fprintf_filtered (stream, ", ");
|
||
print_range (TYPE_INDEX_TYPE (arr_type), stream);
|
||
if (TYPE_FIELD_BITSIZE (arr_type, 0) > 0)
|
||
bitsize = TYPE_FIELD_BITSIZE (arr_type, 0);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
int k;
|
||
n_indices = TYPE_NFIELDS (range_desc_type);
|
||
for (k = 0, arr_type = type;
|
||
k < n_indices;
|
||
k += 1, arr_type = TYPE_TARGET_TYPE (arr_type))
|
||
{
|
||
if (k > 0)
|
||
fprintf_filtered (stream, ", ");
|
||
print_range_type_named (TYPE_FIELD_NAME
|
||
(range_desc_type, k), stream);
|
||
if (TYPE_FIELD_BITSIZE (arr_type, 0) > 0)
|
||
bitsize = TYPE_FIELD_BITSIZE (arr_type, 0);
|
||
}
|
||
}
|
||
}
|
||
else
|
||
{
|
||
int i, i0;
|
||
for (i = i0 = ada_array_arity (type); i > 0; i -= 1)
|
||
fprintf_filtered (stream, "%s<>", i == i0 ? "" : ", ");
|
||
}
|
||
}
|
||
|
||
fprintf_filtered (stream, ") of ");
|
||
wrap_here ("");
|
||
ada_print_type (ada_array_element_type (type, n_indices), "", stream,
|
||
show == 0 ? 0 : show - 1, level + 1);
|
||
if (bitsize > 0)
|
||
fprintf_filtered (stream, " <packed: %d-bit elements>", bitsize);
|
||
}
|
||
|
||
/* Print the choices encoded by field FIELD_NUM of variant-part TYPE on
|
||
STREAM, assuming the VAL_TYPE is the type of the values. */
|
||
|
||
static void
|
||
print_choices (struct type *type, int field_num, struct ui_file *stream,
|
||
struct type *val_type)
|
||
{
|
||
int have_output;
|
||
int p;
|
||
const char *name = TYPE_FIELD_NAME (type, field_num);
|
||
|
||
have_output = 0;
|
||
|
||
/* Skip over leading 'V': NOTE soon to be obsolete. */
|
||
if (name[0] == 'V')
|
||
{
|
||
if (!ada_scan_number (name, 1, NULL, &p))
|
||
goto Huh;
|
||
}
|
||
else
|
||
p = 0;
|
||
|
||
while (1)
|
||
{
|
||
switch (name[p])
|
||
{
|
||
default:
|
||
return;
|
||
case 'S':
|
||
case 'R':
|
||
case 'O':
|
||
if (have_output)
|
||
fprintf_filtered (stream, " | ");
|
||
have_output = 1;
|
||
break;
|
||
}
|
||
|
||
switch (name[p])
|
||
{
|
||
case 'S':
|
||
{
|
||
LONGEST W;
|
||
if (!ada_scan_number (name, p + 1, &W, &p))
|
||
goto Huh;
|
||
ada_print_scalar (val_type, W, stream);
|
||
break;
|
||
}
|
||
case 'R':
|
||
{
|
||
LONGEST L, U;
|
||
if (!ada_scan_number (name, p + 1, &L, &p)
|
||
|| name[p] != 'T' || !ada_scan_number (name, p + 1, &U, &p))
|
||
goto Huh;
|
||
ada_print_scalar (val_type, L, stream);
|
||
fprintf_filtered (stream, " .. ");
|
||
ada_print_scalar (val_type, U, stream);
|
||
break;
|
||
}
|
||
case 'O':
|
||
fprintf_filtered (stream, "others");
|
||
p += 1;
|
||
break;
|
||
}
|
||
}
|
||
|
||
Huh:
|
||
fprintf_filtered (stream, "??");
|
||
|
||
}
|
||
|
||
/* Assuming that field FIELD_NUM of TYPE is a VARIANTS field whose
|
||
discriminant is contained in OUTER_TYPE, print its variants on STREAM.
|
||
LEVEL is the recursion
|
||
(indentation) level, in case any of the fields themselves have
|
||
nested structure, and SHOW is the number of levels of internal structure
|
||
to show (see ada_print_type). For this purpose, fields nested in a
|
||
variant part are taken to be at the same level as the fields
|
||
immediately outside the variant part. */
|
||
|
||
static void
|
||
print_variant_clauses (struct type *type, int field_num,
|
||
struct type *outer_type, struct ui_file *stream,
|
||
int show, int level)
|
||
{
|
||
int i;
|
||
struct type *var_type, *par_type;
|
||
struct type *discr_type;
|
||
|
||
var_type = TYPE_FIELD_TYPE (type, field_num);
|
||
discr_type = ada_variant_discrim_type (var_type, outer_type);
|
||
|
||
if (TYPE_CODE (var_type) == TYPE_CODE_PTR)
|
||
{
|
||
var_type = TYPE_TARGET_TYPE (var_type);
|
||
if (var_type == NULL || TYPE_CODE (var_type) != TYPE_CODE_UNION)
|
||
return;
|
||
}
|
||
|
||
par_type = ada_find_parallel_type (var_type, "___XVU");
|
||
if (par_type != NULL)
|
||
var_type = par_type;
|
||
|
||
for (i = 0; i < TYPE_NFIELDS (var_type); i += 1)
|
||
{
|
||
fprintf_filtered (stream, "\n%*swhen ", level + 4, "");
|
||
print_choices (var_type, i, stream, discr_type);
|
||
fprintf_filtered (stream, " =>");
|
||
if (print_record_field_types (TYPE_FIELD_TYPE (var_type, i),
|
||
outer_type, stream, show, level + 4) <= 0)
|
||
fprintf_filtered (stream, " null;");
|
||
}
|
||
}
|
||
|
||
/* Assuming that field FIELD_NUM of TYPE is a variant part whose
|
||
discriminants are contained in OUTER_TYPE, print a description of it
|
||
on STREAM. LEVEL is the recursion (indentation) level, in case any of
|
||
the fields themselves have nested structure, and SHOW is the number of
|
||
levels of internal structure to show (see ada_print_type). For this
|
||
purpose, fields nested in a variant part are taken to be at the same
|
||
level as the fields immediately outside the variant part. */
|
||
|
||
static void
|
||
print_variant_part (struct type *type, int field_num, struct type *outer_type,
|
||
struct ui_file *stream, int show, int level)
|
||
{
|
||
fprintf_filtered (stream, "\n%*scase %s is", level + 4, "",
|
||
ada_variant_discrim_name
|
||
(TYPE_FIELD_TYPE (type, field_num)));
|
||
print_variant_clauses (type, field_num, outer_type, stream, show,
|
||
level + 4);
|
||
fprintf_filtered (stream, "\n%*send case;", level + 4, "");
|
||
}
|
||
|
||
/* Print a description on STREAM of the fields in record type TYPE, whose
|
||
discriminants are in OUTER_TYPE. LEVEL is the recursion (indentation)
|
||
level, in case any of the fields themselves have nested structure,
|
||
and SHOW is the number of levels of internal structure to show
|
||
(see ada_print_type). Does not print parent type information of TYPE.
|
||
Returns 0 if no fields printed, -1 for an incomplete type, else > 0.
|
||
Prints each field beginning on a new line, but does not put a new line at
|
||
end. */
|
||
|
||
static int
|
||
print_record_field_types (struct type *type, struct type *outer_type,
|
||
struct ui_file *stream, int show, int level)
|
||
{
|
||
int len, i, flds;
|
||
|
||
flds = 0;
|
||
len = TYPE_NFIELDS (type);
|
||
|
||
if (len == 0 && (TYPE_FLAGS (type) & TYPE_FLAG_STUB) != 0)
|
||
return -1;
|
||
|
||
for (i = 0; i < len; i += 1)
|
||
{
|
||
QUIT;
|
||
|
||
if (ada_is_parent_field (type, i) || ada_is_ignored_field (type, i))
|
||
;
|
||
else if (ada_is_wrapper_field (type, i))
|
||
flds += print_record_field_types (TYPE_FIELD_TYPE (type, i), type,
|
||
stream, show, level);
|
||
else if (ada_is_variant_part (type, i))
|
||
{
|
||
print_variant_part (type, i, outer_type, stream, show, level);
|
||
flds = 1;
|
||
}
|
||
else
|
||
{
|
||
flds += 1;
|
||
fprintf_filtered (stream, "\n%*s", level + 4, "");
|
||
ada_print_type (TYPE_FIELD_TYPE (type, i),
|
||
TYPE_FIELD_NAME (type, i),
|
||
stream, show - 1, level + 4);
|
||
fprintf_filtered (stream, ";");
|
||
}
|
||
}
|
||
|
||
return flds;
|
||
}
|
||
|
||
/* Print record type TYPE on STREAM. LEVEL is the recursion (indentation)
|
||
level, in case the element type itself has nested structure, and SHOW is
|
||
the number of levels of internal structure to show (see ada_print_type). */
|
||
|
||
static void
|
||
print_record_type (struct type *type0, struct ui_file *stream, int show,
|
||
int level)
|
||
{
|
||
struct type *parent_type;
|
||
struct type *type;
|
||
|
||
type = ada_find_parallel_type (type0, "___XVE");
|
||
if (type == NULL)
|
||
type = type0;
|
||
|
||
parent_type = ada_parent_type (type);
|
||
if (ada_type_name (parent_type) != NULL)
|
||
fprintf_filtered (stream, "new %s with record",
|
||
decoded_type_name (parent_type));
|
||
else if (parent_type == NULL && ada_is_tagged_type (type, 0))
|
||
fprintf_filtered (stream, "tagged record");
|
||
else
|
||
fprintf_filtered (stream, "record");
|
||
|
||
if (show < 0)
|
||
fprintf_filtered (stream, " ... end record");
|
||
else
|
||
{
|
||
int flds;
|
||
|
||
flds = 0;
|
||
if (parent_type != NULL && ada_type_name (parent_type) == NULL)
|
||
flds += print_record_field_types (parent_type, parent_type,
|
||
stream, show, level);
|
||
flds += print_record_field_types (type, type, stream, show, level);
|
||
|
||
if (flds > 0)
|
||
fprintf_filtered (stream, "\n%*send record", level, "");
|
||
else if (flds < 0)
|
||
fprintf_filtered (stream, _(" <incomplete type> end record"));
|
||
else
|
||
fprintf_filtered (stream, " null; end record");
|
||
}
|
||
}
|
||
|
||
/* Print the unchecked union type TYPE in something resembling Ada
|
||
format on STREAM. LEVEL is the recursion (indentation) level
|
||
in case the element type itself has nested structure, and SHOW is the
|
||
number of levels of internal structure to show (see ada_print_type). */
|
||
static void
|
||
print_unchecked_union_type (struct type *type, struct ui_file *stream,
|
||
int show, int level)
|
||
{
|
||
if (show < 0)
|
||
fprintf_filtered (stream, "record (?) is ... end record");
|
||
else if (TYPE_NFIELDS (type) == 0)
|
||
fprintf_filtered (stream, "record (?) is null; end record");
|
||
else
|
||
{
|
||
int i;
|
||
|
||
fprintf_filtered (stream, "record (?) is\n%*scase ? is", level + 4, "");
|
||
|
||
for (i = 0; i < TYPE_NFIELDS (type); i += 1)
|
||
{
|
||
fprintf_filtered (stream, "\n%*swhen ? =>\n%*s", level + 8, "",
|
||
level + 12, "");
|
||
ada_print_type (TYPE_FIELD_TYPE (type, i),
|
||
TYPE_FIELD_NAME (type, i),
|
||
stream, show - 1, level + 12);
|
||
fprintf_filtered (stream, ";");
|
||
}
|
||
|
||
fprintf_filtered (stream, "\n%*send case;\n%*send record",
|
||
level + 4, "", level, "");
|
||
}
|
||
}
|
||
|
||
|
||
|
||
/* Print function or procedure type TYPE on STREAM. Make it a header
|
||
for function or procedure NAME if NAME is not null. */
|
||
|
||
static void
|
||
print_func_type (struct type *type, struct ui_file *stream, char *name)
|
||
{
|
||
int i, len = TYPE_NFIELDS (type);
|
||
|
||
if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_VOID)
|
||
fprintf_filtered (stream, "procedure");
|
||
else
|
||
fprintf_filtered (stream, "function");
|
||
|
||
if (name != NULL && name[0] != '\0')
|
||
fprintf_filtered (stream, " %s", name);
|
||
|
||
if (len > 0)
|
||
{
|
||
fprintf_filtered (stream, " (");
|
||
for (i = 0; i < len; i += 1)
|
||
{
|
||
if (i > 0)
|
||
{
|
||
fputs_filtered ("; ", stream);
|
||
wrap_here (" ");
|
||
}
|
||
fprintf_filtered (stream, "a%d: ", i + 1);
|
||
ada_print_type (TYPE_FIELD_TYPE (type, i), "", stream, -1, 0);
|
||
}
|
||
fprintf_filtered (stream, ")");
|
||
}
|
||
|
||
if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_VOID)
|
||
{
|
||
fprintf_filtered (stream, " return ");
|
||
ada_print_type (TYPE_TARGET_TYPE (type), "", stream, 0, 0);
|
||
}
|
||
}
|
||
|
||
|
||
/* Print a description of a type TYPE0.
|
||
Output goes to STREAM (via stdio).
|
||
If VARSTRING is a non-empty string, print as an Ada variable/field
|
||
declaration.
|
||
SHOW+1 is the maximum number of levels of internal type structure
|
||
to show (this applies to record types, enumerated types, and
|
||
array types).
|
||
SHOW is the number of levels of internal type structure to show
|
||
when there is a type name for the SHOWth deepest level (0th is
|
||
outer level).
|
||
When SHOW<0, no inner structure is shown.
|
||
LEVEL indicates level of recursion (for nested definitions). */
|
||
|
||
void
|
||
ada_print_type (struct type *type0, char *varstring, struct ui_file *stream,
|
||
int show, int level)
|
||
{
|
||
struct type *type = ada_check_typedef (ada_get_base_type (type0));
|
||
char *type_name = decoded_type_name (type);
|
||
int is_var_decl = (varstring != NULL && varstring[0] != '\0');
|
||
|
||
if (type == NULL)
|
||
{
|
||
if (is_var_decl)
|
||
fprintf_filtered (stream, "%.*s: ",
|
||
ada_name_prefix_len (varstring), varstring);
|
||
fprintf_filtered (stream, "<null type?>");
|
||
return;
|
||
}
|
||
|
||
if (show > 0)
|
||
type = ada_check_typedef (type);
|
||
|
||
if (is_var_decl && TYPE_CODE (type) != TYPE_CODE_FUNC)
|
||
fprintf_filtered (stream, "%.*s: ",
|
||
ada_name_prefix_len (varstring), varstring);
|
||
|
||
if (type_name != NULL && show <= 0)
|
||
{
|
||
fprintf_filtered (stream, "%.*s",
|
||
ada_name_prefix_len (type_name), type_name);
|
||
return;
|
||
}
|
||
|
||
if (ada_is_aligner_type (type))
|
||
ada_print_type (ada_aligned_type (type), "", stream, show, level);
|
||
else if (ada_is_packed_array_type (type))
|
||
print_array_type (type, stream, show, level);
|
||
else
|
||
switch (TYPE_CODE (type))
|
||
{
|
||
default:
|
||
fprintf_filtered (stream, "<");
|
||
c_print_type (type, "", stream, show, level);
|
||
fprintf_filtered (stream, ">");
|
||
break;
|
||
case TYPE_CODE_PTR:
|
||
fprintf_filtered (stream, "access ");
|
||
ada_print_type (TYPE_TARGET_TYPE (type), "", stream, show, level);
|
||
break;
|
||
case TYPE_CODE_REF:
|
||
fprintf_filtered (stream, "<ref> ");
|
||
ada_print_type (TYPE_TARGET_TYPE (type), "", stream, show, level);
|
||
break;
|
||
case TYPE_CODE_ARRAY:
|
||
print_array_type (type, stream, show, level);
|
||
break;
|
||
case TYPE_CODE_INT:
|
||
if (ada_is_fixed_point_type (type))
|
||
print_fixed_point_type (type, stream);
|
||
else if (ada_is_vax_floating_type (type))
|
||
print_vax_floating_point_type (type, stream);
|
||
else
|
||
{
|
||
char *name = ada_type_name (type);
|
||
if (!ada_is_range_type_name (name))
|
||
fprintf_filtered (stream, "<%d-byte integer>",
|
||
TYPE_LENGTH (type));
|
||
else
|
||
{
|
||
fprintf_filtered (stream, "range ");
|
||
print_range_type_named (name, stream);
|
||
}
|
||
}
|
||
break;
|
||
case TYPE_CODE_RANGE:
|
||
if (ada_is_fixed_point_type (type))
|
||
print_fixed_point_type (type, stream);
|
||
else if (ada_is_vax_floating_type (type))
|
||
print_vax_floating_point_type (type, stream);
|
||
else if (ada_is_modular_type (type))
|
||
fprintf_filtered (stream, "mod %ld", (long) ada_modulus (type));
|
||
else
|
||
{
|
||
fprintf_filtered (stream, "range ");
|
||
print_range (type, stream);
|
||
}
|
||
break;
|
||
case TYPE_CODE_FLT:
|
||
fprintf_filtered (stream, "<%d-byte float>", TYPE_LENGTH (type));
|
||
break;
|
||
case TYPE_CODE_ENUM:
|
||
if (show < 0)
|
||
fprintf_filtered (stream, "(...)");
|
||
else
|
||
print_enum_type (type, stream);
|
||
break;
|
||
case TYPE_CODE_STRUCT:
|
||
if (ada_is_array_descriptor_type (type))
|
||
print_array_type (type, stream, show, level);
|
||
else if (ada_is_bogus_array_descriptor (type))
|
||
fprintf_filtered (stream,
|
||
"array (?) of ? (<mal-formed descriptor>)");
|
||
else
|
||
print_record_type (type, stream, show, level);
|
||
break;
|
||
case TYPE_CODE_UNION:
|
||
print_unchecked_union_type (type, stream, show, level);
|
||
break;
|
||
case TYPE_CODE_FUNC:
|
||
print_func_type (type, stream, varstring);
|
||
break;
|
||
}
|
||
}
|