mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-11 19:33:33 +08:00
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.
1416 lines
39 KiB
C
1416 lines
39 KiB
C
/* Multiple source language support for GDB.
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Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000,
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2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
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Contributed by the Department of Computer Science at the State University
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of New York at Buffalo.
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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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/* This file contains functions that return things that are specific
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to languages. Each function should examine current_language if necessary,
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and return the appropriate result. */
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/* FIXME: Most of these would be better organized as macros which
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return data out of a "language-specific" struct pointer that is set
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whenever the working language changes. That would be a lot faster. */
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#include "defs.h"
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#include <ctype.h>
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#include "gdb_string.h"
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#include "symtab.h"
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#include "gdbtypes.h"
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#include "value.h"
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#include "gdbcmd.h"
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#include "expression.h"
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#include "language.h"
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#include "target.h"
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#include "parser-defs.h"
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#include "jv-lang.h"
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#include "demangle.h"
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extern void _initialize_language (void);
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static void set_case_str (void);
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static void set_range_str (void);
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static void set_type_str (void);
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static void set_lang_str (void);
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static void unk_lang_error (char *);
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static int unk_lang_parser (void);
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static void show_check (char *, int);
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static void set_check (char *, int);
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static void set_type_range_case (void);
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static void unk_lang_emit_char (int c, struct ui_file *stream, int quoter);
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static void unk_lang_printchar (int c, struct ui_file *stream);
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static struct type *unk_lang_create_fundamental_type (struct objfile *, int);
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static void unk_lang_print_type (struct type *, char *, struct ui_file *,
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int, int);
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static int unk_lang_value_print (struct value *, struct ui_file *, int, enum val_prettyprint);
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static CORE_ADDR unk_lang_trampoline (CORE_ADDR pc);
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/* Forward declaration */
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extern const struct language_defn unknown_language_defn;
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/* The current (default at startup) state of type and range checking.
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(If the modes are set to "auto", though, these are changed based
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on the default language at startup, and then again based on the
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language of the first source file. */
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enum range_mode range_mode = range_mode_auto;
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enum range_check range_check = range_check_off;
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enum type_mode type_mode = type_mode_auto;
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enum type_check type_check = type_check_off;
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enum case_mode case_mode = case_mode_auto;
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enum case_sensitivity case_sensitivity = case_sensitive_on;
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/* The current language and language_mode (see language.h) */
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const struct language_defn *current_language = &unknown_language_defn;
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enum language_mode language_mode = language_mode_auto;
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/* The language that the user expects to be typing in (the language
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of main(), or the last language we notified them about, or C). */
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const struct language_defn *expected_language;
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/* The list of supported languages. The list itself is malloc'd. */
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static const struct language_defn **languages;
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static unsigned languages_size;
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static unsigned languages_allocsize;
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#define DEFAULT_ALLOCSIZE 4
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/* The "set language/type/range" commands all put stuff in these
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buffers. This is to make them work as set/show commands. The
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user's string is copied here, then the set_* commands look at
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them and update them to something that looks nice when it is
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printed out. */
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static char *language;
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static char *type;
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static char *range;
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static char *case_sensitive;
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/* Warning issued when current_language and the language of the current
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frame do not match. */
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char lang_frame_mismatch_warn[] =
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"Warning: the current language does not match this frame.";
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/* This page contains the functions corresponding to GDB commands
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and their helpers. */
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/* Show command. Display a warning if the language set
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does not match the frame. */
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static void
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show_language_command (struct ui_file *file, int from_tty,
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struct cmd_list_element *c, const char *value)
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{
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enum language flang; /* The language of the current frame */
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deprecated_show_value_hack (file, from_tty, c, value);
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flang = get_frame_language ();
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if (flang != language_unknown &&
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language_mode == language_mode_manual &&
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current_language->la_language != flang)
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printf_filtered ("%s\n", lang_frame_mismatch_warn);
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}
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/* Set command. Change the current working language. */
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static void
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set_language_command (char *ignore, int from_tty, struct cmd_list_element *c)
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{
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int i;
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enum language flang;
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char *err_lang;
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if (!language || !language[0])
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{
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printf_unfiltered (_("\
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The currently understood settings are:\n\n\
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local or auto Automatic setting based on source file\n"));
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for (i = 0; i < languages_size; ++i)
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{
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/* Already dealt with these above. */
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if (languages[i]->la_language == language_unknown
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|| languages[i]->la_language == language_auto)
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continue;
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/* FIXME: i18n: for now assume that the human-readable name
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is just a capitalization of the internal name. */
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printf_unfiltered ("%-16s Use the %c%s language\n",
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languages[i]->la_name,
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/* Capitalize first letter of language
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name. */
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toupper (languages[i]->la_name[0]),
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languages[i]->la_name + 1);
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}
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/* Restore the silly string. */
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set_language (current_language->la_language);
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return;
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}
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/* Search the list of languages for a match. */
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for (i = 0; i < languages_size; i++)
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{
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if (strcmp (languages[i]->la_name, language) == 0)
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{
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/* Found it! Go into manual mode, and use this language. */
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if (languages[i]->la_language == language_auto)
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{
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/* Enter auto mode. Set to the current frame's language, if known. */
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language_mode = language_mode_auto;
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flang = get_frame_language ();
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if (flang != language_unknown)
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set_language (flang);
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expected_language = current_language;
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return;
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}
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else
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{
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/* Enter manual mode. Set the specified language. */
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language_mode = language_mode_manual;
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current_language = languages[i];
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set_type_range_case ();
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set_lang_str ();
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expected_language = current_language;
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return;
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}
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}
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}
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/* Reset the language (esp. the global string "language") to the
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correct values. */
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err_lang = savestring (language, strlen (language));
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make_cleanup (xfree, err_lang); /* Free it after error */
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set_language (current_language->la_language);
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error (_("Unknown language `%s'."), err_lang);
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}
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/* Show command. Display a warning if the type setting does
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not match the current language. */
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static void
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show_type_command (struct ui_file *file, int from_tty,
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struct cmd_list_element *c, const char *value)
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{
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deprecated_show_value_hack (file, from_tty, c, value);
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if (type_check != current_language->la_type_check)
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printf_unfiltered (
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"Warning: the current type check setting does not match the language.\n");
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}
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/* Set command. Change the setting for type checking. */
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static void
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set_type_command (char *ignore, int from_tty, struct cmd_list_element *c)
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{
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if (strcmp (type, "on") == 0)
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{
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type_check = type_check_on;
|
||
type_mode = type_mode_manual;
|
||
}
|
||
else if (strcmp (type, "warn") == 0)
|
||
{
|
||
type_check = type_check_warn;
|
||
type_mode = type_mode_manual;
|
||
}
|
||
else if (strcmp (type, "off") == 0)
|
||
{
|
||
type_check = type_check_off;
|
||
type_mode = type_mode_manual;
|
||
}
|
||
else if (strcmp (type, "auto") == 0)
|
||
{
|
||
type_mode = type_mode_auto;
|
||
set_type_range_case ();
|
||
/* Avoid hitting the set_type_str call below. We
|
||
did it in set_type_range_case. */
|
||
return;
|
||
}
|
||
else
|
||
{
|
||
warning (_("Unrecognized type check setting: \"%s\""), type);
|
||
}
|
||
set_type_str ();
|
||
show_type_command (NULL, from_tty, NULL, NULL);
|
||
}
|
||
|
||
/* Show command. Display a warning if the range setting does
|
||
not match the current language. */
|
||
static void
|
||
show_range_command (struct ui_file *file, int from_tty,
|
||
struct cmd_list_element *c, const char *value)
|
||
{
|
||
deprecated_show_value_hack (file, from_tty, c, value);
|
||
if (range_check != current_language->la_range_check)
|
||
printf_unfiltered (
|
||
"Warning: the current range check setting does not match the language.\n");
|
||
}
|
||
|
||
/* Set command. Change the setting for range checking. */
|
||
static void
|
||
set_range_command (char *ignore, int from_tty, struct cmd_list_element *c)
|
||
{
|
||
if (strcmp (range, "on") == 0)
|
||
{
|
||
range_check = range_check_on;
|
||
range_mode = range_mode_manual;
|
||
}
|
||
else if (strcmp (range, "warn") == 0)
|
||
{
|
||
range_check = range_check_warn;
|
||
range_mode = range_mode_manual;
|
||
}
|
||
else if (strcmp (range, "off") == 0)
|
||
{
|
||
range_check = range_check_off;
|
||
range_mode = range_mode_manual;
|
||
}
|
||
else if (strcmp (range, "auto") == 0)
|
||
{
|
||
range_mode = range_mode_auto;
|
||
set_type_range_case ();
|
||
/* Avoid hitting the set_range_str call below. We
|
||
did it in set_type_range_case. */
|
||
return;
|
||
}
|
||
else
|
||
{
|
||
warning (_("Unrecognized range check setting: \"%s\""), range);
|
||
}
|
||
set_range_str ();
|
||
show_range_command (NULL, from_tty, NULL, NULL);
|
||
}
|
||
|
||
/* Show command. Display a warning if the case sensitivity setting does
|
||
not match the current language. */
|
||
static void
|
||
show_case_command (struct ui_file *file, int from_tty,
|
||
struct cmd_list_element *c, const char *value)
|
||
{
|
||
deprecated_show_value_hack (file, from_tty, c, value);
|
||
if (case_sensitivity != current_language->la_case_sensitivity)
|
||
printf_unfiltered(
|
||
"Warning: the current case sensitivity setting does not match the language.\n");
|
||
}
|
||
|
||
/* Set command. Change the setting for case sensitivity. */
|
||
|
||
static void
|
||
set_case_command (char *ignore, int from_tty, struct cmd_list_element *c)
|
||
{
|
||
if (strcmp (case_sensitive, "on") == 0)
|
||
{
|
||
case_sensitivity = case_sensitive_on;
|
||
case_mode = case_mode_manual;
|
||
}
|
||
else if (strcmp (case_sensitive, "off") == 0)
|
||
{
|
||
case_sensitivity = case_sensitive_off;
|
||
case_mode = case_mode_manual;
|
||
}
|
||
else if (strcmp (case_sensitive, "auto") == 0)
|
||
{
|
||
case_mode = case_mode_auto;
|
||
set_type_range_case ();
|
||
/* Avoid hitting the set_case_str call below. We did it in
|
||
set_type_range_case. */
|
||
return;
|
||
}
|
||
else
|
||
{
|
||
warning (_("Unrecognized case-sensitive setting: \"%s\""),
|
||
case_sensitive);
|
||
}
|
||
set_case_str();
|
||
show_case_command (NULL, from_tty, NULL, NULL);
|
||
}
|
||
|
||
/* Set the status of range and type checking and case sensitivity based on
|
||
the current modes and the current language.
|
||
If SHOW is non-zero, then print out the current language,
|
||
type and range checking status. */
|
||
static void
|
||
set_type_range_case (void)
|
||
{
|
||
|
||
if (range_mode == range_mode_auto)
|
||
range_check = current_language->la_range_check;
|
||
|
||
if (type_mode == type_mode_auto)
|
||
type_check = current_language->la_type_check;
|
||
|
||
if (case_mode == case_mode_auto)
|
||
case_sensitivity = current_language->la_case_sensitivity;
|
||
|
||
set_type_str ();
|
||
set_range_str ();
|
||
set_case_str ();
|
||
}
|
||
|
||
/* Set current language to (enum language) LANG. Returns previous language. */
|
||
|
||
enum language
|
||
set_language (enum language lang)
|
||
{
|
||
int i;
|
||
enum language prev_language;
|
||
|
||
prev_language = current_language->la_language;
|
||
|
||
for (i = 0; i < languages_size; i++)
|
||
{
|
||
if (languages[i]->la_language == lang)
|
||
{
|
||
current_language = languages[i];
|
||
set_type_range_case ();
|
||
set_lang_str ();
|
||
break;
|
||
}
|
||
}
|
||
|
||
return prev_language;
|
||
}
|
||
|
||
/* This page contains functions that update the global vars
|
||
language, type and range. */
|
||
static void
|
||
set_lang_str (void)
|
||
{
|
||
char *prefix = "";
|
||
|
||
if (language)
|
||
xfree (language);
|
||
if (language_mode == language_mode_auto)
|
||
prefix = "auto; currently ";
|
||
|
||
language = concat (prefix, current_language->la_name, (char *)NULL);
|
||
}
|
||
|
||
static void
|
||
set_type_str (void)
|
||
{
|
||
char *tmp = NULL, *prefix = "";
|
||
|
||
if (type)
|
||
xfree (type);
|
||
if (type_mode == type_mode_auto)
|
||
prefix = "auto; currently ";
|
||
|
||
switch (type_check)
|
||
{
|
||
case type_check_on:
|
||
tmp = "on";
|
||
break;
|
||
case type_check_off:
|
||
tmp = "off";
|
||
break;
|
||
case type_check_warn:
|
||
tmp = "warn";
|
||
break;
|
||
default:
|
||
error (_("Unrecognized type check setting."));
|
||
}
|
||
|
||
type = concat (prefix, tmp, (char *)NULL);
|
||
}
|
||
|
||
static void
|
||
set_range_str (void)
|
||
{
|
||
char *tmp, *pref = "";
|
||
|
||
if (range_mode == range_mode_auto)
|
||
pref = "auto; currently ";
|
||
|
||
switch (range_check)
|
||
{
|
||
case range_check_on:
|
||
tmp = "on";
|
||
break;
|
||
case range_check_off:
|
||
tmp = "off";
|
||
break;
|
||
case range_check_warn:
|
||
tmp = "warn";
|
||
break;
|
||
default:
|
||
error (_("Unrecognized range check setting."));
|
||
}
|
||
|
||
if (range)
|
||
xfree (range);
|
||
range = concat (pref, tmp, (char *)NULL);
|
||
}
|
||
|
||
static void
|
||
set_case_str (void)
|
||
{
|
||
char *tmp = NULL, *prefix = "";
|
||
|
||
if (case_mode==case_mode_auto)
|
||
prefix = "auto; currently ";
|
||
|
||
switch (case_sensitivity)
|
||
{
|
||
case case_sensitive_on:
|
||
tmp = "on";
|
||
break;
|
||
case case_sensitive_off:
|
||
tmp = "off";
|
||
break;
|
||
default:
|
||
error (_("Unrecognized case-sensitive setting."));
|
||
}
|
||
|
||
xfree (case_sensitive);
|
||
case_sensitive = concat (prefix, tmp, (char *)NULL);
|
||
}
|
||
|
||
/* Print out the current language settings: language, range and
|
||
type checking. If QUIETLY, print only what has changed. */
|
||
|
||
void
|
||
language_info (int quietly)
|
||
{
|
||
if (quietly && expected_language == current_language)
|
||
return;
|
||
|
||
expected_language = current_language;
|
||
printf_unfiltered (_("Current language: %s\n"), language);
|
||
show_language_command (NULL, 1, NULL, NULL);
|
||
|
||
if (!quietly)
|
||
{
|
||
printf_unfiltered (_("Type checking: %s\n"), type);
|
||
show_type_command (NULL, 1, NULL, NULL);
|
||
printf_unfiltered (_("Range checking: %s\n"), range);
|
||
show_range_command (NULL, 1, NULL, NULL);
|
||
printf_unfiltered (_("Case sensitivity: %s\n"), case_sensitive);
|
||
show_case_command (NULL, 1, NULL, NULL);
|
||
}
|
||
}
|
||
|
||
/* Return the result of a binary operation. */
|
||
|
||
#if 0 /* Currently unused */
|
||
|
||
struct type *
|
||
binop_result_type (struct value *v1, struct value *v2)
|
||
{
|
||
int size, uns;
|
||
struct type *t1 = check_typedef (VALUE_TYPE (v1));
|
||
struct type *t2 = check_typedef (VALUE_TYPE (v2));
|
||
|
||
int l1 = TYPE_LENGTH (t1);
|
||
int l2 = TYPE_LENGTH (t2);
|
||
|
||
switch (current_language->la_language)
|
||
{
|
||
case language_c:
|
||
case language_cplus:
|
||
case language_objc:
|
||
if (TYPE_CODE (t1) == TYPE_CODE_FLT)
|
||
return TYPE_CODE (t2) == TYPE_CODE_FLT && l2 > l1 ?
|
||
VALUE_TYPE (v2) : VALUE_TYPE (v1);
|
||
else if (TYPE_CODE (t2) == TYPE_CODE_FLT)
|
||
return TYPE_CODE (t1) == TYPE_CODE_FLT && l1 > l2 ?
|
||
VALUE_TYPE (v1) : VALUE_TYPE (v2);
|
||
else if (TYPE_UNSIGNED (t1) && l1 > l2)
|
||
return VALUE_TYPE (v1);
|
||
else if (TYPE_UNSIGNED (t2) && l2 > l1)
|
||
return VALUE_TYPE (v2);
|
||
else /* Both are signed. Result is the longer type */
|
||
return l1 > l2 ? VALUE_TYPE (v1) : VALUE_TYPE (v2);
|
||
break;
|
||
case language_m2:
|
||
/* If we are doing type-checking, l1 should equal l2, so this is
|
||
not needed. */
|
||
return l1 > l2 ? VALUE_TYPE (v1) : VALUE_TYPE (v2);
|
||
break;
|
||
}
|
||
internal_error (__FILE__, __LINE__, _("failed internal consistency check"));
|
||
return (struct type *) 0; /* For lint */
|
||
}
|
||
|
||
#endif /* 0 */
|
||
#if 0
|
||
/* This page contains functions that are used in type/range checking.
|
||
They all return zero if the type/range check fails.
|
||
|
||
It is hoped that these will make extending GDB to parse different
|
||
languages a little easier. These are primarily used in eval.c when
|
||
evaluating expressions and making sure that their types are correct.
|
||
Instead of having a mess of conjucted/disjuncted expressions in an "if",
|
||
the ideas of type can be wrapped up in the following functions.
|
||
|
||
Note that some of them are not currently dependent upon which language
|
||
is currently being parsed. For example, floats are the same in
|
||
C and Modula-2 (ie. the only floating point type has TYPE_CODE of
|
||
TYPE_CODE_FLT), while booleans are different. */
|
||
|
||
/* Returns non-zero if its argument is a simple type. This is the same for
|
||
both Modula-2 and for C. In the C case, TYPE_CODE_CHAR will never occur,
|
||
and thus will never cause the failure of the test. */
|
||
int
|
||
simple_type (struct type *type)
|
||
{
|
||
CHECK_TYPEDEF (type);
|
||
switch (TYPE_CODE (type))
|
||
{
|
||
case TYPE_CODE_INT:
|
||
case TYPE_CODE_CHAR:
|
||
case TYPE_CODE_ENUM:
|
||
case TYPE_CODE_FLT:
|
||
case TYPE_CODE_RANGE:
|
||
case TYPE_CODE_BOOL:
|
||
return 1;
|
||
|
||
default:
|
||
return 0;
|
||
}
|
||
}
|
||
|
||
/* Returns non-zero if its argument is of an ordered type.
|
||
An ordered type is one in which the elements can be tested for the
|
||
properties of "greater than", "less than", etc, or for which the
|
||
operations "increment" or "decrement" make sense. */
|
||
int
|
||
ordered_type (struct type *type)
|
||
{
|
||
CHECK_TYPEDEF (type);
|
||
switch (TYPE_CODE (type))
|
||
{
|
||
case TYPE_CODE_INT:
|
||
case TYPE_CODE_CHAR:
|
||
case TYPE_CODE_ENUM:
|
||
case TYPE_CODE_FLT:
|
||
case TYPE_CODE_RANGE:
|
||
return 1;
|
||
|
||
default:
|
||
return 0;
|
||
}
|
||
}
|
||
|
||
/* Returns non-zero if the two types are the same */
|
||
int
|
||
same_type (struct type *arg1, struct type *arg2)
|
||
{
|
||
CHECK_TYPEDEF (type);
|
||
if (structured_type (arg1) ? !structured_type (arg2) : structured_type (arg2))
|
||
/* One is structured and one isn't */
|
||
return 0;
|
||
else if (structured_type (arg1) && structured_type (arg2))
|
||
return arg1 == arg2;
|
||
else if (numeric_type (arg1) && numeric_type (arg2))
|
||
return (TYPE_CODE (arg2) == TYPE_CODE (arg1)) &&
|
||
(TYPE_UNSIGNED (arg1) == TYPE_UNSIGNED (arg2))
|
||
? 1 : 0;
|
||
else
|
||
return arg1 == arg2;
|
||
}
|
||
|
||
/* Returns non-zero if the type is integral */
|
||
int
|
||
integral_type (struct type *type)
|
||
{
|
||
CHECK_TYPEDEF (type);
|
||
switch (current_language->la_language)
|
||
{
|
||
case language_c:
|
||
case language_cplus:
|
||
case language_objc:
|
||
return (TYPE_CODE (type) != TYPE_CODE_INT) &&
|
||
(TYPE_CODE (type) != TYPE_CODE_ENUM) ? 0 : 1;
|
||
case language_m2:
|
||
case language_pascal:
|
||
return TYPE_CODE (type) != TYPE_CODE_INT ? 0 : 1;
|
||
default:
|
||
error (_("Language not supported."));
|
||
}
|
||
}
|
||
|
||
/* Returns non-zero if the value is numeric */
|
||
int
|
||
numeric_type (struct type *type)
|
||
{
|
||
CHECK_TYPEDEF (type);
|
||
switch (TYPE_CODE (type))
|
||
{
|
||
case TYPE_CODE_INT:
|
||
case TYPE_CODE_FLT:
|
||
return 1;
|
||
|
||
default:
|
||
return 0;
|
||
}
|
||
}
|
||
|
||
/* Returns non-zero if the value is a character type */
|
||
int
|
||
character_type (struct type *type)
|
||
{
|
||
CHECK_TYPEDEF (type);
|
||
switch (current_language->la_language)
|
||
{
|
||
case language_m2:
|
||
case language_pascal:
|
||
return TYPE_CODE (type) != TYPE_CODE_CHAR ? 0 : 1;
|
||
|
||
case language_c:
|
||
case language_cplus:
|
||
case language_objc:
|
||
return (TYPE_CODE (type) == TYPE_CODE_INT) &&
|
||
TYPE_LENGTH (type) == sizeof (char)
|
||
? 1 : 0;
|
||
default:
|
||
return (0);
|
||
}
|
||
}
|
||
|
||
/* Returns non-zero if the value is a string type */
|
||
int
|
||
string_type (struct type *type)
|
||
{
|
||
CHECK_TYPEDEF (type);
|
||
switch (current_language->la_language)
|
||
{
|
||
case language_m2:
|
||
case language_pascal:
|
||
return TYPE_CODE (type) != TYPE_CODE_STRING ? 0 : 1;
|
||
|
||
case language_c:
|
||
case language_cplus:
|
||
case language_objc:
|
||
/* C does not have distinct string type. */
|
||
return (0);
|
||
default:
|
||
return (0);
|
||
}
|
||
}
|
||
|
||
/* Returns non-zero if the value is a boolean type */
|
||
int
|
||
boolean_type (struct type *type)
|
||
{
|
||
CHECK_TYPEDEF (type);
|
||
if (TYPE_CODE (type) == TYPE_CODE_BOOL)
|
||
return 1;
|
||
switch (current_language->la_language)
|
||
{
|
||
case language_c:
|
||
case language_cplus:
|
||
case language_objc:
|
||
/* Might be more cleanly handled by having a
|
||
TYPE_CODE_INT_NOT_BOOL for (the deleted) CHILL and such
|
||
languages, or a TYPE_CODE_INT_OR_BOOL for C. */
|
||
if (TYPE_CODE (type) == TYPE_CODE_INT)
|
||
return 1;
|
||
default:
|
||
break;
|
||
}
|
||
return 0;
|
||
}
|
||
|
||
/* Returns non-zero if the value is a floating-point type */
|
||
int
|
||
float_type (struct type *type)
|
||
{
|
||
CHECK_TYPEDEF (type);
|
||
return TYPE_CODE (type) == TYPE_CODE_FLT;
|
||
}
|
||
|
||
/* Returns non-zero if the value is a pointer type */
|
||
int
|
||
pointer_type (struct type *type)
|
||
{
|
||
return TYPE_CODE (type) == TYPE_CODE_PTR ||
|
||
TYPE_CODE (type) == TYPE_CODE_REF;
|
||
}
|
||
|
||
/* Returns non-zero if the value is a structured type */
|
||
int
|
||
structured_type (struct type *type)
|
||
{
|
||
CHECK_TYPEDEF (type);
|
||
switch (current_language->la_language)
|
||
{
|
||
case language_c:
|
||
case language_cplus:
|
||
case language_objc:
|
||
return (TYPE_CODE (type) == TYPE_CODE_STRUCT) ||
|
||
(TYPE_CODE (type) == TYPE_CODE_UNION) ||
|
||
(TYPE_CODE (type) == TYPE_CODE_ARRAY);
|
||
case language_pascal:
|
||
return (TYPE_CODE(type) == TYPE_CODE_STRUCT) ||
|
||
(TYPE_CODE(type) == TYPE_CODE_UNION) ||
|
||
(TYPE_CODE(type) == TYPE_CODE_SET) ||
|
||
(TYPE_CODE(type) == TYPE_CODE_ARRAY);
|
||
case language_m2:
|
||
return (TYPE_CODE (type) == TYPE_CODE_STRUCT) ||
|
||
(TYPE_CODE (type) == TYPE_CODE_SET) ||
|
||
(TYPE_CODE (type) == TYPE_CODE_ARRAY);
|
||
default:
|
||
return (0);
|
||
}
|
||
}
|
||
#endif
|
||
|
||
struct type *
|
||
lang_bool_type (void)
|
||
{
|
||
struct symbol *sym;
|
||
struct type *type;
|
||
switch (current_language->la_language)
|
||
{
|
||
case language_fortran:
|
||
sym = lookup_symbol ("logical", NULL, VAR_DOMAIN, NULL, NULL);
|
||
if (sym)
|
||
{
|
||
type = SYMBOL_TYPE (sym);
|
||
if (type && TYPE_CODE (type) == TYPE_CODE_BOOL)
|
||
return type;
|
||
}
|
||
return builtin_type_f_logical_s2;
|
||
case language_cplus:
|
||
case language_pascal:
|
||
if (current_language->la_language==language_cplus)
|
||
{sym = lookup_symbol ("bool", NULL, VAR_DOMAIN, NULL, NULL);}
|
||
else
|
||
{sym = lookup_symbol ("boolean", NULL, VAR_DOMAIN, NULL, NULL);}
|
||
if (sym)
|
||
{
|
||
type = SYMBOL_TYPE (sym);
|
||
if (type && TYPE_CODE (type) == TYPE_CODE_BOOL)
|
||
return type;
|
||
}
|
||
return builtin_type_bool;
|
||
case language_java:
|
||
sym = lookup_symbol ("boolean", NULL, VAR_DOMAIN, NULL, NULL);
|
||
if (sym)
|
||
{
|
||
type = SYMBOL_TYPE (sym);
|
||
if (type && TYPE_CODE (type) == TYPE_CODE_BOOL)
|
||
return type;
|
||
}
|
||
return java_boolean_type;
|
||
default:
|
||
return builtin_type_int;
|
||
}
|
||
}
|
||
|
||
/* This page contains functions that return info about
|
||
(struct value) values used in GDB. */
|
||
|
||
/* Returns non-zero if the value VAL represents a true value. */
|
||
int
|
||
value_true (struct value *val)
|
||
{
|
||
/* It is possible that we should have some sort of error if a non-boolean
|
||
value is used in this context. Possibly dependent on some kind of
|
||
"boolean-checking" option like range checking. But it should probably
|
||
not depend on the language except insofar as is necessary to identify
|
||
a "boolean" value (i.e. in C using a float, pointer, etc., as a boolean
|
||
should be an error, probably). */
|
||
return !value_logical_not (val);
|
||
}
|
||
|
||
/* This page contains functions for the printing out of
|
||
error messages that occur during type- and range-
|
||
checking. */
|
||
|
||
/* These are called when a language fails a type- or range-check. The
|
||
first argument should be a printf()-style format string, and the
|
||
rest of the arguments should be its arguments. If
|
||
[type|range]_check is [type|range]_check_on, an error is printed;
|
||
if [type|range]_check_warn, a warning; otherwise just the
|
||
message. */
|
||
|
||
void
|
||
type_error (const char *string,...)
|
||
{
|
||
va_list args;
|
||
va_start (args, string);
|
||
|
||
switch (type_check)
|
||
{
|
||
case type_check_warn:
|
||
vwarning (string, args);
|
||
break;
|
||
case type_check_on:
|
||
verror (string, args);
|
||
break;
|
||
case type_check_off:
|
||
/* FIXME: cagney/2002-01-30: Should this function print anything
|
||
when type error is off? */
|
||
vfprintf_filtered (gdb_stderr, string, args);
|
||
fprintf_filtered (gdb_stderr, "\n");
|
||
break;
|
||
default:
|
||
internal_error (__FILE__, __LINE__, _("bad switch"));
|
||
}
|
||
va_end (args);
|
||
}
|
||
|
||
void
|
||
range_error (const char *string,...)
|
||
{
|
||
va_list args;
|
||
va_start (args, string);
|
||
|
||
switch (range_check)
|
||
{
|
||
case range_check_warn:
|
||
vwarning (string, args);
|
||
break;
|
||
case range_check_on:
|
||
verror (string, args);
|
||
break;
|
||
case range_check_off:
|
||
/* FIXME: cagney/2002-01-30: Should this function print anything
|
||
when range error is off? */
|
||
vfprintf_filtered (gdb_stderr, string, args);
|
||
fprintf_filtered (gdb_stderr, "\n");
|
||
break;
|
||
default:
|
||
internal_error (__FILE__, __LINE__, _("bad switch"));
|
||
}
|
||
va_end (args);
|
||
}
|
||
|
||
|
||
/* This page contains miscellaneous functions */
|
||
|
||
/* Return the language enum for a given language string. */
|
||
|
||
enum language
|
||
language_enum (char *str)
|
||
{
|
||
int i;
|
||
|
||
for (i = 0; i < languages_size; i++)
|
||
if (strcmp (languages[i]->la_name, str) == 0)
|
||
return languages[i]->la_language;
|
||
|
||
return language_unknown;
|
||
}
|
||
|
||
/* Return the language struct for a given language enum. */
|
||
|
||
const struct language_defn *
|
||
language_def (enum language lang)
|
||
{
|
||
int i;
|
||
|
||
for (i = 0; i < languages_size; i++)
|
||
{
|
||
if (languages[i]->la_language == lang)
|
||
{
|
||
return languages[i];
|
||
}
|
||
}
|
||
return NULL;
|
||
}
|
||
|
||
/* Return the language as a string */
|
||
char *
|
||
language_str (enum language lang)
|
||
{
|
||
int i;
|
||
|
||
for (i = 0; i < languages_size; i++)
|
||
{
|
||
if (languages[i]->la_language == lang)
|
||
{
|
||
return languages[i]->la_name;
|
||
}
|
||
}
|
||
return "Unknown";
|
||
}
|
||
|
||
static void
|
||
set_check (char *ignore, int from_tty)
|
||
{
|
||
printf_unfiltered (
|
||
"\"set check\" must be followed by the name of a check subcommand.\n");
|
||
help_list (setchecklist, "set check ", -1, gdb_stdout);
|
||
}
|
||
|
||
static void
|
||
show_check (char *ignore, int from_tty)
|
||
{
|
||
cmd_show_list (showchecklist, from_tty, "");
|
||
}
|
||
|
||
/* Add a language to the set of known languages. */
|
||
|
||
void
|
||
add_language (const struct language_defn *lang)
|
||
{
|
||
if (lang->la_magic != LANG_MAGIC)
|
||
{
|
||
fprintf_unfiltered (gdb_stderr, "Magic number of %s language struct wrong\n",
|
||
lang->la_name);
|
||
internal_error (__FILE__, __LINE__, _("failed internal consistency check"));
|
||
}
|
||
|
||
if (!languages)
|
||
{
|
||
languages_allocsize = DEFAULT_ALLOCSIZE;
|
||
languages = (const struct language_defn **) xmalloc
|
||
(languages_allocsize * sizeof (*languages));
|
||
}
|
||
if (languages_size >= languages_allocsize)
|
||
{
|
||
languages_allocsize *= 2;
|
||
languages = (const struct language_defn **) xrealloc ((char *) languages,
|
||
languages_allocsize * sizeof (*languages));
|
||
}
|
||
languages[languages_size++] = lang;
|
||
}
|
||
|
||
/* Iterate through all registered languages looking for and calling
|
||
any non-NULL struct language_defn.skip_trampoline() functions.
|
||
Return the result from the first that returns non-zero, or 0 if all
|
||
`fail'. */
|
||
CORE_ADDR
|
||
skip_language_trampoline (CORE_ADDR pc)
|
||
{
|
||
int i;
|
||
|
||
for (i = 0; i < languages_size; i++)
|
||
{
|
||
if (languages[i]->skip_trampoline)
|
||
{
|
||
CORE_ADDR real_pc = (languages[i]->skip_trampoline) (pc);
|
||
if (real_pc)
|
||
return real_pc;
|
||
}
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
/* Return demangled language symbol, or NULL.
|
||
FIXME: Options are only useful for certain languages and ignored
|
||
by others, so it would be better to remove them here and have a
|
||
more flexible demangler for the languages that need it.
|
||
FIXME: Sometimes the demangler is invoked when we don't know the
|
||
language, so we can't use this everywhere. */
|
||
char *
|
||
language_demangle (const struct language_defn *current_language,
|
||
const char *mangled, int options)
|
||
{
|
||
if (current_language != NULL && current_language->la_demangle)
|
||
return current_language->la_demangle (mangled, options);
|
||
return NULL;
|
||
}
|
||
|
||
/* Return class name from physname or NULL. */
|
||
char *
|
||
language_class_name_from_physname (const struct language_defn *current_language,
|
||
const char *physname)
|
||
{
|
||
if (current_language != NULL && current_language->la_class_name_from_physname)
|
||
return current_language->la_class_name_from_physname (physname);
|
||
return NULL;
|
||
}
|
||
|
||
/* Return the default string containing the list of characters
|
||
delimiting words. This is a reasonable default value that
|
||
most languages should be able to use. */
|
||
|
||
char *
|
||
default_word_break_characters (void)
|
||
{
|
||
return " \t\n!@#$%^&*()+=|~`}{[]\"';:?/>.<,-";
|
||
}
|
||
|
||
/* Print the index of array elements using the C99 syntax. */
|
||
|
||
void
|
||
default_print_array_index (struct value *index_value, struct ui_file *stream,
|
||
int format, enum val_prettyprint pretty)
|
||
{
|
||
fprintf_filtered (stream, "[");
|
||
LA_VALUE_PRINT (index_value, stream, format, pretty);
|
||
fprintf_filtered (stream, "] = ");
|
||
}
|
||
|
||
/* Define the language that is no language. */
|
||
|
||
static int
|
||
unk_lang_parser (void)
|
||
{
|
||
return 1;
|
||
}
|
||
|
||
static void
|
||
unk_lang_error (char *msg)
|
||
{
|
||
error (_("Attempted to parse an expression with unknown language"));
|
||
}
|
||
|
||
static void
|
||
unk_lang_emit_char (int c, struct ui_file *stream, int quoter)
|
||
{
|
||
error (_("internal error - unimplemented function unk_lang_emit_char called."));
|
||
}
|
||
|
||
static void
|
||
unk_lang_printchar (int c, struct ui_file *stream)
|
||
{
|
||
error (_("internal error - unimplemented function unk_lang_printchar called."));
|
||
}
|
||
|
||
static void
|
||
unk_lang_printstr (struct ui_file *stream, const gdb_byte *string,
|
||
unsigned int length, int width, int force_ellipses)
|
||
{
|
||
error (_("internal error - unimplemented function unk_lang_printstr called."));
|
||
}
|
||
|
||
static struct type *
|
||
unk_lang_create_fundamental_type (struct objfile *objfile, int typeid)
|
||
{
|
||
error (_("internal error - unimplemented function unk_lang_create_fundamental_type called."));
|
||
}
|
||
|
||
static void
|
||
unk_lang_print_type (struct type *type, char *varstring, struct ui_file *stream,
|
||
int show, int level)
|
||
{
|
||
error (_("internal error - unimplemented function unk_lang_print_type called."));
|
||
}
|
||
|
||
static int
|
||
unk_lang_val_print (struct type *type, const gdb_byte *valaddr,
|
||
int embedded_offset, CORE_ADDR address,
|
||
struct ui_file *stream, int format,
|
||
int deref_ref, int recurse, enum val_prettyprint pretty)
|
||
{
|
||
error (_("internal error - unimplemented function unk_lang_val_print called."));
|
||
}
|
||
|
||
static int
|
||
unk_lang_value_print (struct value *val, struct ui_file *stream, int format,
|
||
enum val_prettyprint pretty)
|
||
{
|
||
error (_("internal error - unimplemented function unk_lang_value_print called."));
|
||
}
|
||
|
||
static CORE_ADDR unk_lang_trampoline (CORE_ADDR pc)
|
||
{
|
||
return 0;
|
||
}
|
||
|
||
/* Unknown languages just use the cplus demangler. */
|
||
static char *unk_lang_demangle (const char *mangled, int options)
|
||
{
|
||
return cplus_demangle (mangled, options);
|
||
}
|
||
|
||
static char *unk_lang_class_name (const char *mangled)
|
||
{
|
||
return NULL;
|
||
}
|
||
|
||
static const struct op_print unk_op_print_tab[] =
|
||
{
|
||
{NULL, OP_NULL, PREC_NULL, 0}
|
||
};
|
||
|
||
static void
|
||
unknown_language_arch_info (struct gdbarch *gdbarch,
|
||
struct language_arch_info *lai)
|
||
{
|
||
lai->string_char_type = builtin_type (gdbarch)->builtin_char;
|
||
lai->primitive_type_vector = GDBARCH_OBSTACK_CALLOC (gdbarch, 1,
|
||
struct type *);
|
||
}
|
||
|
||
const struct language_defn unknown_language_defn =
|
||
{
|
||
"unknown",
|
||
language_unknown,
|
||
NULL,
|
||
range_check_off,
|
||
type_check_off,
|
||
array_row_major,
|
||
case_sensitive_on,
|
||
&exp_descriptor_standard,
|
||
unk_lang_parser,
|
||
unk_lang_error,
|
||
null_post_parser,
|
||
unk_lang_printchar, /* Print character constant */
|
||
unk_lang_printstr,
|
||
unk_lang_emit_char,
|
||
unk_lang_create_fundamental_type,
|
||
unk_lang_print_type, /* Print a type using appropriate syntax */
|
||
unk_lang_val_print, /* Print a value using appropriate syntax */
|
||
unk_lang_value_print, /* Print a top-level value */
|
||
unk_lang_trampoline, /* Language specific skip_trampoline */
|
||
value_of_this, /* value_of_this */
|
||
basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */
|
||
basic_lookup_transparent_type,/* lookup_transparent_type */
|
||
unk_lang_demangle, /* Language specific symbol demangler */
|
||
unk_lang_class_name, /* Language specific class_name_from_physname */
|
||
unk_op_print_tab, /* expression operators for printing */
|
||
1, /* c-style arrays */
|
||
0, /* String lower bound */
|
||
NULL,
|
||
default_word_break_characters,
|
||
unknown_language_arch_info, /* la_language_arch_info. */
|
||
default_print_array_index,
|
||
LANG_MAGIC
|
||
};
|
||
|
||
/* These two structs define fake entries for the "local" and "auto" options. */
|
||
const struct language_defn auto_language_defn =
|
||
{
|
||
"auto",
|
||
language_auto,
|
||
NULL,
|
||
range_check_off,
|
||
type_check_off,
|
||
array_row_major,
|
||
case_sensitive_on,
|
||
&exp_descriptor_standard,
|
||
unk_lang_parser,
|
||
unk_lang_error,
|
||
null_post_parser,
|
||
unk_lang_printchar, /* Print character constant */
|
||
unk_lang_printstr,
|
||
unk_lang_emit_char,
|
||
unk_lang_create_fundamental_type,
|
||
unk_lang_print_type, /* Print a type using appropriate syntax */
|
||
unk_lang_val_print, /* Print a value using appropriate syntax */
|
||
unk_lang_value_print, /* Print a top-level value */
|
||
unk_lang_trampoline, /* Language specific skip_trampoline */
|
||
value_of_this, /* value_of_this */
|
||
basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */
|
||
basic_lookup_transparent_type,/* lookup_transparent_type */
|
||
unk_lang_demangle, /* Language specific symbol demangler */
|
||
unk_lang_class_name, /* Language specific class_name_from_physname */
|
||
unk_op_print_tab, /* expression operators for printing */
|
||
1, /* c-style arrays */
|
||
0, /* String lower bound */
|
||
NULL,
|
||
default_word_break_characters,
|
||
unknown_language_arch_info, /* la_language_arch_info. */
|
||
default_print_array_index,
|
||
LANG_MAGIC
|
||
};
|
||
|
||
const struct language_defn local_language_defn =
|
||
{
|
||
"local",
|
||
language_auto,
|
||
NULL,
|
||
range_check_off,
|
||
type_check_off,
|
||
case_sensitive_on,
|
||
array_row_major,
|
||
&exp_descriptor_standard,
|
||
unk_lang_parser,
|
||
unk_lang_error,
|
||
null_post_parser,
|
||
unk_lang_printchar, /* Print character constant */
|
||
unk_lang_printstr,
|
||
unk_lang_emit_char,
|
||
unk_lang_create_fundamental_type,
|
||
unk_lang_print_type, /* Print a type using appropriate syntax */
|
||
unk_lang_val_print, /* Print a value using appropriate syntax */
|
||
unk_lang_value_print, /* Print a top-level value */
|
||
unk_lang_trampoline, /* Language specific skip_trampoline */
|
||
value_of_this, /* value_of_this */
|
||
basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */
|
||
basic_lookup_transparent_type,/* lookup_transparent_type */
|
||
unk_lang_demangle, /* Language specific symbol demangler */
|
||
unk_lang_class_name, /* Language specific class_name_from_physname */
|
||
unk_op_print_tab, /* expression operators for printing */
|
||
1, /* c-style arrays */
|
||
0, /* String lower bound */
|
||
NULL,
|
||
default_word_break_characters,
|
||
unknown_language_arch_info, /* la_language_arch_info. */
|
||
default_print_array_index,
|
||
LANG_MAGIC
|
||
};
|
||
|
||
/* Per-architecture language information. */
|
||
|
||
static struct gdbarch_data *language_gdbarch_data;
|
||
|
||
struct language_gdbarch
|
||
{
|
||
/* A vector of per-language per-architecture info. Indexed by "enum
|
||
language". */
|
||
struct language_arch_info arch_info[nr_languages];
|
||
};
|
||
|
||
static void *
|
||
language_gdbarch_post_init (struct gdbarch *gdbarch)
|
||
{
|
||
struct language_gdbarch *l;
|
||
int i;
|
||
|
||
l = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct language_gdbarch);
|
||
for (i = 0; i < languages_size; i++)
|
||
{
|
||
if (languages[i] != NULL
|
||
&& languages[i]->la_language_arch_info != NULL)
|
||
languages[i]->la_language_arch_info
|
||
(gdbarch, l->arch_info + languages[i]->la_language);
|
||
}
|
||
return l;
|
||
}
|
||
|
||
struct type *
|
||
language_string_char_type (const struct language_defn *la,
|
||
struct gdbarch *gdbarch)
|
||
{
|
||
struct language_gdbarch *ld = gdbarch_data (gdbarch,
|
||
language_gdbarch_data);
|
||
if (ld->arch_info[la->la_language].string_char_type != NULL)
|
||
return ld->arch_info[la->la_language].string_char_type;
|
||
else
|
||
return (*la->string_char_type);
|
||
}
|
||
|
||
struct type *
|
||
language_lookup_primitive_type_by_name (const struct language_defn *la,
|
||
struct gdbarch *gdbarch,
|
||
const char *name)
|
||
{
|
||
struct language_gdbarch *ld = gdbarch_data (gdbarch,
|
||
language_gdbarch_data);
|
||
if (ld->arch_info[la->la_language].primitive_type_vector != NULL)
|
||
{
|
||
struct type *const *p;
|
||
for (p = ld->arch_info[la->la_language].primitive_type_vector;
|
||
(*p) != NULL;
|
||
p++)
|
||
{
|
||
if (strcmp (TYPE_NAME (*p), name) == 0)
|
||
return (*p);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
struct type **const *p;
|
||
for (p = current_language->la_builtin_type_vector; *p != NULL; p++)
|
||
{
|
||
if (strcmp (TYPE_NAME (**p), name) == 0)
|
||
return (**p);
|
||
}
|
||
}
|
||
return (NULL);
|
||
}
|
||
|
||
/* Initialize the language routines */
|
||
|
||
void
|
||
_initialize_language (void)
|
||
{
|
||
struct cmd_list_element *set, *show;
|
||
|
||
language_gdbarch_data
|
||
= gdbarch_data_register_post_init (language_gdbarch_post_init);
|
||
|
||
/* GDB commands for language specific stuff */
|
||
|
||
/* FIXME: cagney/2005-02-20: This should be implemented using an
|
||
enum. */
|
||
add_setshow_string_noescape_cmd ("language", class_support, &language, _("\
|
||
Set the current source language."), _("\
|
||
Show the current source language."), NULL,
|
||
set_language_command,
|
||
show_language_command,
|
||
&setlist, &showlist);
|
||
|
||
add_prefix_cmd ("check", no_class, set_check,
|
||
_("Set the status of the type/range checker."),
|
||
&setchecklist, "set check ", 0, &setlist);
|
||
add_alias_cmd ("c", "check", no_class, 1, &setlist);
|
||
add_alias_cmd ("ch", "check", no_class, 1, &setlist);
|
||
|
||
add_prefix_cmd ("check", no_class, show_check,
|
||
_("Show the status of the type/range checker."),
|
||
&showchecklist, "show check ", 0, &showlist);
|
||
add_alias_cmd ("c", "check", no_class, 1, &showlist);
|
||
add_alias_cmd ("ch", "check", no_class, 1, &showlist);
|
||
|
||
/* FIXME: cagney/2005-02-20: This should be implemented using an
|
||
enum. */
|
||
add_setshow_string_noescape_cmd ("type", class_support, &type, _("\
|
||
Set type checking. (on/warn/off/auto)"), _("\
|
||
Show type checking. (on/warn/off/auto)"), NULL,
|
||
set_type_command,
|
||
show_type_command,
|
||
&setchecklist, &showchecklist);
|
||
|
||
/* FIXME: cagney/2005-02-20: This should be implemented using an
|
||
enum. */
|
||
add_setshow_string_noescape_cmd ("range", class_support, &range, _("\
|
||
Set range checking. (on/warn/off/auto)"), _("\
|
||
Show range checking. (on/warn/off/auto)"), NULL,
|
||
set_range_command,
|
||
show_range_command,
|
||
&setchecklist, &showchecklist);
|
||
|
||
/* FIXME: cagney/2005-02-20: This should be implemented using an
|
||
enum. */
|
||
add_setshow_string_noescape_cmd ("case-sensitive", class_support,
|
||
&case_sensitive, _("\
|
||
Set case sensitivity in name search. (on/off/auto)"), _("\
|
||
Show case sensitivity in name search. (on/off/auto)"), _("\
|
||
For Fortran the default is off; for other languages the default is on."),
|
||
set_case_command,
|
||
show_case_command,
|
||
&setlist, &showlist);
|
||
|
||
add_language (&unknown_language_defn);
|
||
add_language (&local_language_defn);
|
||
add_language (&auto_language_defn);
|
||
|
||
language = savestring ("auto", strlen ("auto"));
|
||
type = savestring ("auto", strlen ("auto"));
|
||
range = savestring ("auto", strlen ("auto"));
|
||
case_sensitive = savestring ("auto",strlen ("auto"));
|
||
|
||
/* Have the above take effect */
|
||
set_language (language_auto);
|
||
}
|