d7d9f01ea1
PR gdb/855: * NEWS: Add entry for macro commands. * Makefile.in (macrocmd.o): Add gdb_string.h. * macroscope.h (user_macro_scope): Declare. (default_macro_scope): Update documentation. (macro_user_macros): Declare. * c-lang.c (c_preprocess_and_parse): Always attempt macro lookup. Use user_macro_scope. (null_macro_lookup): Remove. * macrotab.h (macro_callback_fn): Declare. (macro_for_each): Likewise. (macro_allow_redefinitions): Likewise. * macrotab.c (foreach_macro): New function (macro_for_each): Likewise. (struct macro_table) <redef_ok>: New field. (macro_allow_redefinitions): New function. (new_macro_table): Update. (macro_define_function): Likewise. (macro_define_object): Likewise. * macroscope.c (user_macro_scope): New function. (default_macro_scope): Use it. (macro_user_macros): New global. (standard_macro_lookup): Look in macro_user_macros. (_initialize_macroscope): New function. * macroexp.h (macro_is_whitespace, macro_is_digit, macro_is_identifier_nondigit): Declare. * macroexp.c (macro_is_whitespace): Rename. No longer static. (macro_is_digit): Likewise. (macro_is_identifier_nondigit): Likewise. (get_identifier): Update. (get_pp_number): Likewise. (get_token): Likewise. * macrocmd.c (skip_ws): New function. (extract_identifier): Likewise. (free_macro_definition_ptr): Likewise. (user_macros): Remove. (macro_define_command): Implement. (_initialize_macrocmd): Update. (macro_undef_command): Implement. (print_one_macro): New function. (macro_list_command): Implement. gdb/doc * gdb.texinfo (Macros): Update. Use @code rather than @command. gdb/testsuite * gdb.base/macscp.exp: Add macro tests.
71 lines
2.6 KiB
C
71 lines
2.6 KiB
C
/* Interface to functions for deciding which macros are currently in scope.
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Copyright (C) 2002, 2007, 2008 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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#ifndef MACROSCOPE_H
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#define MACROSCOPE_H
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#include "macrotab.h"
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#include "symtab.h"
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/* The table of macros defined by the user. */
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extern struct macro_table *macro_user_macros;
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/* All the information we need to decide which macro definitions are
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in scope: a source file (either a main source file or an
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#inclusion), and a line number in that file. */
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struct macro_scope {
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struct macro_source_file *file;
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int line;
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};
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/* Return a `struct macro_scope' object corresponding to the symtab
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and line given in SAL. If we have no macro information for that
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location, or if SAL's pc is zero, return zero. */
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struct macro_scope *sal_macro_scope (struct symtab_and_line sal);
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/* Return a `struct macro_scope' object representing just the
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user-defined macros. The result is allocated using xmalloc; the
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caller is responsible for freeing it. */
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struct macro_scope *user_macro_scope (void);
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/* Return a `struct macro_scope' object describing the scope the `macro
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expand' and `macro expand-once' commands should use for looking up
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macros. If we have a selected frame, this is the source location of
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its PC; otherwise, this is the last listing position.
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If we have no macro information for the current location, return
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the user macro scope.
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The object returned is allocated using xmalloc; the caller is
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responsible for freeing it. */
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struct macro_scope *default_macro_scope (void);
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/* Look up the definition of the macro named NAME in scope at the source
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location given by BATON, which must be a pointer to a `struct
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macro_scope' structure. This function is suitable for use as
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a macro_lookup_ftype function. */
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struct macro_definition *standard_macro_lookup (const char *name, void *baton);
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#endif /* MACROSCOPE_H */
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