mirror of
https://sourceware.org/git/binutils-gdb.git
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6d3d12ebef
This commit includes string.h in common-defs.h and removes all other inclusions. gdb/ 2014-08-07 Gary Benson <gbenson@redhat.com> * common/common-defs.h: Include string.h. * aarch64-tdep.c: Do not include string.h. * ada-exp.y: Likewise. * ada-lang.c: Likewise. * ada-lex.l: Likewise. * ada-typeprint.c: Likewise. * ada-valprint.c: Likewise. * aix-thread.c: Likewise. * alpha-linux-tdep.c: Likewise. * alpha-mdebug-tdep.c: Likewise. * alpha-nat.c: Likewise. * alpha-osf1-tdep.c: Likewise. * alpha-tdep.c: Likewise. * alphanbsd-tdep.c: Likewise. * amd64-dicos-tdep.c: Likewise. * amd64-linux-tdep.c: Likewise. * amd64-nat.c: Likewise. * amd64-sol2-tdep.c: Likewise. * amd64fbsd-tdep.c: Likewise. * amd64obsd-tdep.c: Likewise. * arch-utils.c: Likewise. * arm-linux-nat.c: Likewise. * arm-linux-tdep.c: Likewise. * arm-tdep.c: Likewise. * arm-wince-tdep.c: Likewise. * armbsd-tdep.c: Likewise. * armnbsd-nat.c: Likewise. * armnbsd-tdep.c: Likewise. * armobsd-tdep.c: Likewise. * avr-tdep.c: Likewise. * ax-gdb.c: Likewise. * ax-general.c: Likewise. * bcache.c: Likewise. * bfin-tdep.c: Likewise. * breakpoint.c: Likewise. * build-id.c: Likewise. * buildsym.c: Likewise. * c-exp.y: Likewise. * c-lang.c: Likewise. * c-typeprint.c: Likewise. * c-valprint.c: Likewise. * charset.c: Likewise. * cli-out.c: Likewise. * cli/cli-cmds.c: Likewise. * cli/cli-decode.c: Likewise. * cli/cli-dump.c: Likewise. * cli/cli-interp.c: Likewise. * cli/cli-logging.c: Likewise. * cli/cli-script.c: Likewise. * cli/cli-setshow.c: Likewise. * cli/cli-utils.c: Likewise. * coffread.c: Likewise. * common/agent.c: Likewise. * common/buffer.c: Likewise. * common/buffer.h: Likewise. * common/common-utils.c: Likewise. * common/filestuff.c: Likewise. * common/filestuff.c: Likewise. * common/format.c: Likewise. * common/print-utils.c: Likewise. * common/rsp-low.c: Likewise. * common/signals.c: Likewise. * common/vec.h: Likewise. * common/xml-utils.c: Likewise. * core-regset.c: Likewise. * corefile.c: Likewise. * corelow.c: Likewise. * cp-abi.c: Likewise. * cp-name-parser.y: Likewise. * cp-support.c: Likewise. * cp-valprint.c: Likewise. * cris-tdep.c: Likewise. * d-exp.y: Likewise. * darwin-nat.c: Likewise. * dbxread.c: Likewise. * dcache.c: Likewise. * demangle.c: Likewise. * dicos-tdep.c: Likewise. * disasm.c: Likewise. * doublest.c: Likewise. * dsrec.c: Likewise. * dummy-frame.c: Likewise. * dwarf2-frame.c: Likewise. * dwarf2loc.c: Likewise. * dwarf2read.c: Likewise. * elfread.c: Likewise. * environ.c: Likewise. * eval.c: Likewise. * event-loop.c: Likewise. * exceptions.c: Likewise. * exec.c: Likewise. * expprint.c: Likewise. * f-exp.y: Likewise. * f-lang.c: Likewise. * f-typeprint.c: Likewise. * f-valprint.c: Likewise. * fbsd-nat.c: Likewise. * findcmd.c: Likewise. * findvar.c: Likewise. * fork-child.c: Likewise. * frame.c: Likewise. * frv-linux-tdep.c: Likewise. * frv-tdep.c: Likewise. * gdb.c: Likewise. * gdb_bfd.c: Likewise. * gdbarch.c: Likewise. * gdbarch.sh: Likewise. * gdbtypes.c: Likewise. * gnu-nat.c: Likewise. * gnu-v2-abi.c: Likewise. * gnu-v3-abi.c: Likewise. * go-exp.y: Likewise. * go-lang.c: Likewise. * go32-nat.c: Likewise. * guile/guile.c: Likewise. * guile/scm-auto-load.c: Likewise. * hppa-hpux-tdep.c: Likewise. * hppa-linux-nat.c: Likewise. * hppanbsd-tdep.c: Likewise. * hppaobsd-tdep.c: Likewise. * i386-cygwin-tdep.c: Likewise. * i386-dicos-tdep.c: Likewise. * i386-linux-tdep.c: Likewise. * i386-nto-tdep.c: Likewise. * i386-sol2-tdep.c: Likewise. * i386-tdep.c: Likewise. * i386bsd-tdep.c: Likewise. * i386gnu-nat.c: Likewise. * i386nbsd-tdep.c: Likewise. * i386obsd-tdep.c: Likewise. * i387-tdep.c: Likewise. * ia64-libunwind-tdep.c: Likewise. * ia64-linux-nat.c: Likewise. * inf-child.c: Likewise. * inf-ptrace.c: Likewise. * inf-ttrace.c: Likewise. * infcall.c: Likewise. * infcmd.c: Likewise. * inflow.c: Likewise. * infrun.c: Likewise. * interps.c: Likewise. * iq2000-tdep.c: Likewise. * irix5-nat.c: Likewise. * jv-exp.y: Likewise. * jv-lang.c: Likewise. * jv-typeprint.c: Likewise. * jv-valprint.c: Likewise. * language.c: Likewise. * linux-fork.c: Likewise. * linux-nat.c: Likewise. * lm32-tdep.c: Likewise. * m2-exp.y: Likewise. * m2-typeprint.c: Likewise. * m32c-tdep.c: Likewise. * m32r-linux-nat.c: Likewise. * m32r-linux-tdep.c: Likewise. * m32r-rom.c: Likewise. * m32r-tdep.c: Likewise. * m68hc11-tdep.c: Likewise. * m68k-tdep.c: Likewise. * m68kbsd-tdep.c: Likewise. * m68klinux-nat.c: Likewise. * m68klinux-tdep.c: Likewise. * m88k-tdep.c: Likewise. * machoread.c: Likewise. * macrocmd.c: Likewise. * main.c: Likewise. * mdebugread.c: Likewise. * mem-break.c: Likewise. * memattr.c: Likewise. * memory-map.c: Likewise. * mep-tdep.c: Likewise. * mi/mi-cmd-break.c: Likewise. * mi/mi-cmd-disas.c: Likewise. * mi/mi-cmd-env.c: Likewise. * mi/mi-cmd-stack.c: Likewise. * mi/mi-cmd-var.c: Likewise. * mi/mi-cmds.c: Likewise. * mi/mi-console.c: Likewise. * mi/mi-getopt.c: Likewise. * mi/mi-interp.c: Likewise. * mi/mi-main.c: Likewise. * mi/mi-parse.c: Likewise. * microblaze-rom.c: Likewise. * microblaze-tdep.c: Likewise. * mingw-hdep.c: Likewise. * minidebug.c: Likewise. * minsyms.c: Likewise. * mips-irix-tdep.c: Likewise. * mips-linux-tdep.c: Likewise. * mips-tdep.c: Likewise. * mips64obsd-tdep.c: Likewise. * mipsnbsd-tdep.c: Likewise. * mipsread.c: Likewise. * mn10300-linux-tdep.c: Likewise. * mn10300-tdep.c: Likewise. * monitor.c: Likewise. * moxie-tdep.c: Likewise. * mt-tdep.c: Likewise. * nat/linux-btrace.c: Likewise. * nat/linux-osdata.c: Likewise. * nat/linux-procfs.c: Likewise. * nat/linux-ptrace.c: Likewise. * nat/linux-waitpid.c: Likewise. * nbsd-tdep.c: Likewise. * nios2-linux-tdep.c: Likewise. * nto-procfs.c: Likewise. * nto-tdep.c: Likewise. * objc-lang.c: Likewise. * objfiles.c: Likewise. * opencl-lang.c: Likewise. * osabi.c: Likewise. * osdata.c: Likewise. * p-exp.y: Likewise. * p-lang.c: Likewise. * p-typeprint.c: Likewise. * parse.c: Likewise. * posix-hdep.c: Likewise. * ppc-linux-nat.c: Likewise. * ppc-sysv-tdep.c: Likewise. * ppcfbsd-tdep.c: Likewise. * ppcnbsd-tdep.c: Likewise. * ppcobsd-tdep.c: Likewise. * printcmd.c: Likewise. * procfs.c: Likewise. * prologue-value.c: Likewise. * python/py-auto-load.c: Likewise. * python/py-gdb-readline.c: Likewise. * ravenscar-thread.c: Likewise. * regcache.c: Likewise. * registry.c: Likewise. * remote-fileio.c: Likewise. * remote-m32r-sdi.c: Likewise. * remote-mips.c: Likewise. * remote-notif.c: Likewise. * remote-sim.c: Likewise. * remote.c: Likewise. * reverse.c: Likewise. * rs6000-aix-tdep.c: Likewise. * ser-base.c: Likewise. * ser-go32.c: Likewise. * ser-mingw.c: Likewise. * ser-pipe.c: Likewise. * ser-tcp.c: Likewise. * ser-unix.c: Likewise. * serial.c: Likewise. * sh-tdep.c: Likewise. * sh64-tdep.c: Likewise. * shnbsd-tdep.c: Likewise. * skip.c: Likewise. * sol-thread.c: Likewise. * solib-dsbt.c: Likewise. * solib-frv.c: Likewise. * solib-osf.c: Likewise. * solib-som.c: Likewise. * solib-spu.c: Likewise. * solib-target.c: Likewise. * solib.c: Likewise. * somread.c: Likewise. * source.c: Likewise. * sparc-nat.c: Likewise. * sparc-sol2-tdep.c: Likewise. * sparc-tdep.c: Likewise. * sparc64-tdep.c: Likewise. * sparc64fbsd-tdep.c: Likewise. * sparc64nbsd-tdep.c: Likewise. * sparcnbsd-tdep.c: Likewise. * spu-linux-nat.c: Likewise. * spu-multiarch.c: Likewise. * spu-tdep.c: Likewise. * stabsread.c: Likewise. * stack.c: Likewise. * std-regs.c: Likewise. * symfile.c: Likewise. * symmisc.c: Likewise. * symtab.c: Likewise. * target.c: Likewise. * thread.c: Likewise. * tilegx-linux-nat.c: Likewise. * tilegx-tdep.c: Likewise. * top.c: Likewise. * tracepoint.c: Likewise. * tui/tui-command.c: Likewise. * tui/tui-data.c: Likewise. * tui/tui-disasm.c: Likewise. * tui/tui-file.c: Likewise. * tui/tui-layout.c: Likewise. * tui/tui-out.c: Likewise. * tui/tui-regs.c: Likewise. * tui/tui-source.c: Likewise. * tui/tui-stack.c: Likewise. * tui/tui-win.c: Likewise. * tui/tui-windata.c: Likewise. * tui/tui-winsource.c: Likewise. * typeprint.c: Likewise. * ui-file.c: Likewise. * ui-out.c: Likewise. * user-regs.c: Likewise. * utils.c: Likewise. * v850-tdep.c: Likewise. * valarith.c: Likewise. * valops.c: Likewise. * valprint.c: Likewise. * value.c: Likewise. * varobj.c: Likewise. * vax-tdep.c: Likewise. * vaxnbsd-tdep.c: Likewise. * vaxobsd-tdep.c: Likewise. * windows-nat.c: Likewise. * xcoffread.c: Likewise. * xml-support.c: Likewise. * xstormy16-tdep.c: Likewise. * xtensa-linux-nat.c: Likewise. gdb/gdbserver/ 2014-08-07 Gary Benson <gbenson@redhat.com> * server.h: Do not include string.h. * event-loop.c: Likewise. * linux-low.c: Likewise. * regcache.c: Likewise. * remote-utils.c: Likewise. * spu-low.c: Likewise. * utils.c: Likewise.
559 lines
16 KiB
C
559 lines
16 KiB
C
/* C preprocessor macro expansion commands for GDB.
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Copyright (C) 2002-2014 Free Software Foundation, Inc.
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Contributed by Red Hat, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "defs.h"
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#include "macrotab.h"
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#include "macroexp.h"
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#include "macroscope.h"
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#include "cli/cli-utils.h"
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#include "command.h"
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#include "gdbcmd.h"
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#include "linespec.h"
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/* The `macro' prefix command. */
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static struct cmd_list_element *macrolist;
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static void
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macro_command (char *arg, int from_tty)
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{
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printf_unfiltered
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("\"macro\" must be followed by the name of a macro command.\n");
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help_list (macrolist, "macro ", all_commands, gdb_stdout);
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}
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/* Macro expansion commands. */
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/* Prints an informational message regarding the lack of macro information. */
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static void
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macro_inform_no_debuginfo (void)
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{
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puts_filtered ("GDB has no preprocessor macro information for that code.\n");
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}
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static void
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macro_expand_command (char *exp, int from_tty)
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{
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struct macro_scope *ms = NULL;
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char *expanded = NULL;
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struct cleanup *cleanup_chain = make_cleanup (free_current_contents, &ms);
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make_cleanup (free_current_contents, &expanded);
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/* You know, when the user doesn't specify any expression, it would be
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really cool if this defaulted to the last expression evaluated.
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Then it would be easy to ask, "Hey, what did I just evaluate?" But
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at the moment, the `print' commands don't save the last expression
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evaluated, just its value. */
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if (! exp || ! *exp)
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error (_("You must follow the `macro expand' command with the"
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" expression you\n"
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"want to expand."));
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ms = default_macro_scope ();
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if (ms)
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{
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expanded = macro_expand (exp, standard_macro_lookup, ms);
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fputs_filtered ("expands to: ", gdb_stdout);
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fputs_filtered (expanded, gdb_stdout);
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fputs_filtered ("\n", gdb_stdout);
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}
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else
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macro_inform_no_debuginfo ();
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do_cleanups (cleanup_chain);
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return;
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}
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static void
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macro_expand_once_command (char *exp, int from_tty)
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{
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struct macro_scope *ms = NULL;
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char *expanded = NULL;
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struct cleanup *cleanup_chain = make_cleanup (free_current_contents, &ms);
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make_cleanup (free_current_contents, &expanded);
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/* You know, when the user doesn't specify any expression, it would be
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really cool if this defaulted to the last expression evaluated.
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And it should set the once-expanded text as the new `last
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expression'. That way, you could just hit return over and over and
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see the expression expanded one level at a time. */
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if (! exp || ! *exp)
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error (_("You must follow the `macro expand-once' command with"
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" the expression\n"
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"you want to expand."));
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ms = default_macro_scope ();
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if (ms)
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{
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expanded = macro_expand_once (exp, standard_macro_lookup, ms);
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fputs_filtered ("expands to: ", gdb_stdout);
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fputs_filtered (expanded, gdb_stdout);
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fputs_filtered ("\n", gdb_stdout);
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}
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else
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macro_inform_no_debuginfo ();
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do_cleanups (cleanup_chain);
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return;
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}
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/* Outputs the include path of a macro starting at FILE and LINE to STREAM.
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Care should be taken that this function does not cause any lookups into
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the splay tree so that it can be safely used while iterating. */
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static void
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show_pp_source_pos (struct ui_file *stream,
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struct macro_source_file *file,
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int line)
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{
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char *fullname;
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fullname = macro_source_fullname (file);
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fprintf_filtered (stream, "%s:%d\n", fullname, line);
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xfree (fullname);
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while (file->included_by)
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{
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fullname = macro_source_fullname (file->included_by);
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fprintf_filtered (gdb_stdout, " included at %s:%d\n", fullname,
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file->included_at_line);
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xfree (fullname);
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file = file->included_by;
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}
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}
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/* Outputs a macro for human consumption, detailing the include path
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and macro definition. NAME is the name of the macro.
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D the definition. FILE the start of the include path, and LINE the
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line number in FILE.
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Care should be taken that this function does not cause any lookups into
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the splay tree so that it can be safely used while iterating. */
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static void
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print_macro_definition (const char *name,
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const struct macro_definition *d,
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struct macro_source_file *file,
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int line)
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{
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fprintf_filtered (gdb_stdout, "Defined at ");
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show_pp_source_pos (gdb_stdout, file, line);
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if (line != 0)
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fprintf_filtered (gdb_stdout, "#define %s", name);
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else
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fprintf_filtered (gdb_stdout, "-D%s", name);
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if (d->kind == macro_function_like)
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{
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int i;
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fputs_filtered ("(", gdb_stdout);
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for (i = 0; i < d->argc; i++)
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{
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fputs_filtered (d->argv[i], gdb_stdout);
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if (i + 1 < d->argc)
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fputs_filtered (", ", gdb_stdout);
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}
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fputs_filtered (")", gdb_stdout);
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}
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if (line != 0)
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fprintf_filtered (gdb_stdout, " %s\n", d->replacement);
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else
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fprintf_filtered (gdb_stdout, "=%s\n", d->replacement);
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}
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/* A callback function for usage with macro_for_each and friends.
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If USER_DATA is null all macros will be printed.
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Otherwise USER_DATA is considered to be a string, printing
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only macros who's NAME matches USER_DATA. Other arguments are
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routed to print_macro_definition. */
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static void
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print_macro_callback (const char *name, const struct macro_definition *macro,
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struct macro_source_file *source, int line,
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void *user_data)
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{
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if (! user_data || strcmp (user_data, name) == 0)
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print_macro_definition (name, macro, source, line);
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}
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/* The implementation of the `info macro' command. */
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static void
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info_macro_command (char *args, int from_tty)
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{
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struct macro_scope *ms = NULL;
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struct cleanup *cleanup_chain;
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char *name;
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int show_all_macros_named = 0;
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char *arg_start = args;
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int processing_args = 1;
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while (processing_args
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&& arg_start && *arg_start == '-' && *arg_start != '\0')
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{
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char *p = skip_to_space (arg_start);
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if (strncmp (arg_start, "-a", p - arg_start) == 0
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|| strncmp (arg_start, "-all", p - arg_start) == 0)
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show_all_macros_named = 1;
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else if (strncmp (arg_start, "--", p - arg_start) == 0)
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/* Our macro support seems rather C specific but this would
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seem necessary for languages allowing - in macro names.
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e.g. Scheme's (defmacro ->foo () "bar\n") */
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processing_args = 0;
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else
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{
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/* Relies on modified 'args' not making it in to history */
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*p = '\0';
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error (_("Unrecognized option '%s' to info macro command. "
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"Try \"help info macro\"."), arg_start);
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}
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arg_start = skip_spaces (p);
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}
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name = arg_start;
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if (! name || ! *name)
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error (_("You must follow the `info macro' command with the name"
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" of the macro\n"
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"whose definition you want to see."));
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ms = default_macro_scope ();
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cleanup_chain = make_cleanup (free_current_contents, &ms);
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if (! ms)
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macro_inform_no_debuginfo ();
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else if (show_all_macros_named)
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macro_for_each (ms->file->table, print_macro_callback, name);
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else
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{
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struct macro_definition *d;
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d = macro_lookup_definition (ms->file, ms->line, name);
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if (d)
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{
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int line;
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struct macro_source_file *file
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= macro_definition_location (ms->file, ms->line, name, &line);
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print_macro_definition (name, d, file, line);
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}
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else
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{
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fprintf_filtered (gdb_stdout,
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"The symbol `%s' has no definition as a C/C++"
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" preprocessor macro\n"
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"at ", name);
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show_pp_source_pos (gdb_stdout, ms->file, ms->line);
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}
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}
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do_cleanups (cleanup_chain);
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}
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/* Implementation of the "info macros" command. */
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static void
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info_macros_command (char *args, int from_tty)
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{
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struct macro_scope *ms = NULL;
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struct cleanup *cleanup_chain = make_cleanup (free_current_contents, &ms);
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if (args == NULL)
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ms = default_macro_scope ();
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else
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{
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struct symtabs_and_lines sals =
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decode_line_with_current_source (args, 0);
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if (sals.nelts)
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ms = sal_macro_scope (sals.sals[0]);
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}
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if (! ms || ! ms->file || ! ms->file->table)
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macro_inform_no_debuginfo ();
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else
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macro_for_each_in_scope (ms->file, ms->line, print_macro_callback, NULL);
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do_cleanups (cleanup_chain);
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}
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||
|
||
|
||
/* User-defined macros. */
|
||
|
||
static void
|
||
skip_ws (char **expp)
|
||
{
|
||
while (macro_is_whitespace (**expp))
|
||
++*expp;
|
||
}
|
||
|
||
/* Try to find the bounds of an identifier. If an identifier is
|
||
found, returns a newly allocated string; otherwise returns NULL.
|
||
EXPP is a pointer to an input string; it is updated to point to the
|
||
text following the identifier. If IS_PARAMETER is true, this
|
||
function will also allow "..." forms as used in varargs macro
|
||
parameters. */
|
||
|
||
static char *
|
||
extract_identifier (char **expp, int is_parameter)
|
||
{
|
||
char *result;
|
||
char *p = *expp;
|
||
unsigned int len;
|
||
|
||
if (is_parameter && !strncmp (p, "...", 3))
|
||
{
|
||
/* Ok. */
|
||
}
|
||
else
|
||
{
|
||
if (! *p || ! macro_is_identifier_nondigit (*p))
|
||
return NULL;
|
||
for (++p;
|
||
*p && (macro_is_identifier_nondigit (*p) || macro_is_digit (*p));
|
||
++p)
|
||
;
|
||
}
|
||
|
||
if (is_parameter && !strncmp (p, "...", 3))
|
||
p += 3;
|
||
|
||
len = p - *expp;
|
||
result = (char *) xmalloc (len + 1);
|
||
memcpy (result, *expp, len);
|
||
result[len] = '\0';
|
||
*expp += len;
|
||
return result;
|
||
}
|
||
|
||
/* Helper function to clean up a temporarily-constructed macro object.
|
||
This assumes that the contents were all allocated with xmalloc. */
|
||
static void
|
||
free_macro_definition_ptr (void *ptr)
|
||
{
|
||
int i;
|
||
struct macro_definition *loc = (struct macro_definition *) ptr;
|
||
|
||
for (i = 0; i < loc->argc; ++i)
|
||
xfree ((char *) loc->argv[i]);
|
||
xfree ((char *) loc->argv);
|
||
/* Note that the 'replacement' field is not allocated. */
|
||
}
|
||
|
||
static void
|
||
macro_define_command (char *exp, int from_tty)
|
||
{
|
||
struct macro_definition new_macro;
|
||
char *name = NULL;
|
||
struct cleanup *cleanup_chain;
|
||
|
||
if (!exp)
|
||
error (_("usage: macro define NAME[(ARGUMENT-LIST)] [REPLACEMENT-LIST]"));
|
||
|
||
cleanup_chain = make_cleanup (free_macro_definition_ptr, &new_macro);
|
||
make_cleanup (free_current_contents, &name);
|
||
|
||
memset (&new_macro, 0, sizeof (struct macro_definition));
|
||
|
||
skip_ws (&exp);
|
||
name = extract_identifier (&exp, 0);
|
||
if (! name)
|
||
error (_("Invalid macro name."));
|
||
if (*exp == '(')
|
||
{
|
||
/* Function-like macro. */
|
||
int alloced = 5;
|
||
char **argv = (char **) xmalloc (alloced * sizeof (char *));
|
||
|
||
new_macro.kind = macro_function_like;
|
||
new_macro.argc = 0;
|
||
new_macro.argv = (const char * const *) argv;
|
||
|
||
/* Skip the '(' and whitespace. */
|
||
++exp;
|
||
skip_ws (&exp);
|
||
|
||
while (*exp != ')')
|
||
{
|
||
int i;
|
||
|
||
if (new_macro.argc == alloced)
|
||
{
|
||
alloced *= 2;
|
||
argv = (char **) xrealloc (argv, alloced * sizeof (char *));
|
||
/* Must update new_macro as well... */
|
||
new_macro.argv = (const char * const *) argv;
|
||
}
|
||
argv[new_macro.argc] = extract_identifier (&exp, 1);
|
||
if (! argv[new_macro.argc])
|
||
error (_("Macro is missing an argument."));
|
||
++new_macro.argc;
|
||
|
||
for (i = new_macro.argc - 2; i >= 0; --i)
|
||
{
|
||
if (! strcmp (argv[i], argv[new_macro.argc - 1]))
|
||
error (_("Two macro arguments with identical names."));
|
||
}
|
||
|
||
skip_ws (&exp);
|
||
if (*exp == ',')
|
||
{
|
||
++exp;
|
||
skip_ws (&exp);
|
||
}
|
||
else if (*exp != ')')
|
||
error (_("',' or ')' expected at end of macro arguments."));
|
||
}
|
||
/* Skip the closing paren. */
|
||
++exp;
|
||
skip_ws (&exp);
|
||
|
||
macro_define_function (macro_main (macro_user_macros), -1, name,
|
||
new_macro.argc, (const char **) new_macro.argv,
|
||
exp);
|
||
}
|
||
else
|
||
{
|
||
skip_ws (&exp);
|
||
macro_define_object (macro_main (macro_user_macros), -1, name, exp);
|
||
}
|
||
|
||
do_cleanups (cleanup_chain);
|
||
}
|
||
|
||
|
||
static void
|
||
macro_undef_command (char *exp, int from_tty)
|
||
{
|
||
char *name;
|
||
|
||
if (!exp)
|
||
error (_("usage: macro undef NAME"));
|
||
|
||
skip_ws (&exp);
|
||
name = extract_identifier (&exp, 0);
|
||
if (! name)
|
||
error (_("Invalid macro name."));
|
||
macro_undef (macro_main (macro_user_macros), -1, name);
|
||
xfree (name);
|
||
}
|
||
|
||
|
||
static void
|
||
print_one_macro (const char *name, const struct macro_definition *macro,
|
||
struct macro_source_file *source, int line,
|
||
void *ignore)
|
||
{
|
||
fprintf_filtered (gdb_stdout, "macro define %s", name);
|
||
if (macro->kind == macro_function_like)
|
||
{
|
||
int i;
|
||
|
||
fprintf_filtered (gdb_stdout, "(");
|
||
for (i = 0; i < macro->argc; ++i)
|
||
fprintf_filtered (gdb_stdout, "%s%s", (i > 0) ? ", " : "",
|
||
macro->argv[i]);
|
||
fprintf_filtered (gdb_stdout, ")");
|
||
}
|
||
fprintf_filtered (gdb_stdout, " %s\n", macro->replacement);
|
||
}
|
||
|
||
|
||
static void
|
||
macro_list_command (char *exp, int from_tty)
|
||
{
|
||
macro_for_each (macro_user_macros, print_one_macro, NULL);
|
||
}
|
||
|
||
|
||
/* Initializing the `macrocmd' module. */
|
||
|
||
extern initialize_file_ftype _initialize_macrocmd; /* -Wmissing-prototypes */
|
||
|
||
void
|
||
_initialize_macrocmd (void)
|
||
{
|
||
/* We introduce a new command prefix, `macro', under which we'll put
|
||
the various commands for working with preprocessor macros. */
|
||
add_prefix_cmd ("macro", class_info, macro_command,
|
||
_("Prefix for commands dealing with C preprocessor macros."),
|
||
¯olist, "macro ", 0, &cmdlist);
|
||
|
||
add_cmd ("expand", no_class, macro_expand_command, _("\
|
||
Fully expand any C/C++ preprocessor macro invocations in EXPRESSION.\n\
|
||
Show the expanded expression."),
|
||
¯olist);
|
||
add_alias_cmd ("exp", "expand", no_class, 1, ¯olist);
|
||
add_cmd ("expand-once", no_class, macro_expand_once_command, _("\
|
||
Expand C/C++ preprocessor macro invocations appearing directly in EXPRESSION.\n\
|
||
Show the expanded expression.\n\
|
||
\n\
|
||
This command differs from `macro expand' in that it only expands macro\n\
|
||
invocations that appear directly in EXPRESSION; if expanding a macro\n\
|
||
introduces further macro invocations, those are left unexpanded.\n\
|
||
\n\
|
||
`macro expand-once' helps you see how a particular macro expands,\n\
|
||
whereas `macro expand' shows you how all the macros involved in an\n\
|
||
expression work together to yield a pre-processed expression."),
|
||
¯olist);
|
||
add_alias_cmd ("exp1", "expand-once", no_class, 1, ¯olist);
|
||
|
||
add_cmd ("macro", no_class, info_macro_command,
|
||
_("Show the definition of MACRO, and it's source location.\n\
|
||
Usage: info macro [-a|-all] [--] MACRO\n\
|
||
Options: \n\
|
||
-a, --all Output all definitions of MACRO in the current compilation\
|
||
unit.\n\
|
||
-- Specify the end of arguments and the beginning of the MACRO."),
|
||
|
||
&infolist);
|
||
|
||
add_cmd ("macros", no_class, info_macros_command,
|
||
_("Show the definitions of all macros at LINESPEC, or the current \
|
||
source location.\n\
|
||
Usage: info macros [LINESPEC]"),
|
||
&infolist);
|
||
|
||
add_cmd ("define", no_class, macro_define_command, _("\
|
||
Define a new C/C++ preprocessor macro.\n\
|
||
The GDB command `macro define DEFINITION' is equivalent to placing a\n\
|
||
preprocessor directive of the form `#define DEFINITION' such that the\n\
|
||
definition is visible in all the inferior's source files.\n\
|
||
For example:\n\
|
||
(gdb) macro define PI (3.1415926)\n\
|
||
(gdb) macro define MIN(x,y) ((x) < (y) ? (x) : (y))"),
|
||
¯olist);
|
||
|
||
add_cmd ("undef", no_class, macro_undef_command, _("\
|
||
Remove the definition of the C/C++ preprocessor macro with the given name."),
|
||
¯olist);
|
||
|
||
add_cmd ("list", no_class, macro_list_command,
|
||
_("List all the macros defined using the `macro define' command."),
|
||
¯olist);
|
||
}
|