/* Look up the definition of the macro named NAME in scope at the source
location given by BATON, which must be a pointer to a `struct
macro_scope' structure. */
struct macro_definition *
standard_macro_lookup (const char *name, void *baton)
{
struct macro_scope *ms = (struct macro_scope *) baton;
struct macro_definition *result;
/* Give user-defined macros priority over all others. */
result = macro_lookup_definition (macro_main (macro_user_macros), -1, name);
if (! result)
result = macro_lookup_definition (ms->file, ms->line, name);
return result;
}
/* Look up the definition of the macro named NAME in scope at the source
location given by BATON, which must be a pointer to a `struct
macro_scope' structure. */
struct macro_definition *
standard_macro_lookup (const char *name, void *baton)
{
struct macro_scope *ms = (struct macro_scope *) baton;
return macro_lookup_definition (ms->file, ms->line, name);
}
static void
info_macro_command (char *name, int from_tty)
{
struct macro_scope *ms = NULL;
struct cleanup *cleanup_chain = make_cleanup (free_current_contents, &ms);
struct macro_definition *d;
if (! name || ! *name)
error ("You must follow the `info macro' command with the name"
" of the macro\n"
"whose definition you want to see.");
ms = default_macro_scope ();
if (! ms)
error ("GDB has no preprocessor macro information for that code.");
d = macro_lookup_definition (ms->file, ms->line, name);
if (d)
{
int line;
struct macro_source_file *file
= macro_definition_location (ms->file, ms->line, name, &line);
fprintf_filtered (gdb_stdout, "Defined at ");
show_pp_source_pos (gdb_stdout, file, line);
fprintf_filtered (gdb_stdout, "#define %s", name);
if (d->kind == macro_function_like)
{
int i;
fputs_filtered ("(", gdb_stdout);
for (i = 0; i < d->argc; i++)
{
fputs_filtered (d->argv[i], gdb_stdout);
if (i + 1 < d->argc)
fputs_filtered (", ", gdb_stdout);
}
fputs_filtered (")", gdb_stdout);
}
fprintf_filtered (gdb_stdout, " %s\n", d->replacement);
}
else
{
fprintf_filtered (gdb_stdout,
"The symbol `%s' has no definition as a C/C++"
" preprocessor macro\n"
"at ", name);
show_pp_source_pos (gdb_stdout, ms->file, ms->line);
}
do_cleanups (cleanup_chain);
}
/* The implementation of the `info macro' command. */
static void
info_macro_command (char *args, int from_tty)
{
struct macro_scope *ms = NULL;
struct cleanup *cleanup_chain;
char *name;
int show_all_macros_named = 0;
char *arg_start = args;
int processing_args = 1;
while (processing_args
&& arg_start && *arg_start == '-' && *arg_start != '\0')
{
char *p = skip_to_space (arg_start);
if (strncmp (arg_start, "-a", p - arg_start) == 0
|| strncmp (arg_start, "-all", p - arg_start) == 0)
show_all_macros_named = 1;
else if (strncmp (arg_start, "--", p - arg_start) == 0)
/* Our macro support seems rather C specific but this would
seem necessary for languages allowing - in macro names.
e.g. Scheme's (defmacro ->foo () "bar\n") */
processing_args = 0;
else
{
/* Relies on modified 'args' not making it in to history */
*p = '\0';
error (_("Unrecognized option '%s' to info macro command. "
"Try \"help info macro\"."), arg_start);
}
arg_start = skip_spaces (p);
}
name = arg_start;
if (! name || ! *name)
error (_("You must follow the `info macro' command with the name"
" of the macro\n"
"whose definition you want to see."));
ms = default_macro_scope ();
cleanup_chain = make_cleanup (free_current_contents, &ms);
if (! ms)
macro_inform_no_debuginfo ();
else if (show_all_macros_named)
macro_for_each (ms->file->table, print_macro_callback, name);
else
{
struct macro_definition *d;
d = macro_lookup_definition (ms->file, ms->line, name);
if (d)
{
int line;
struct macro_source_file *file
= macro_definition_location (ms->file, ms->line, name, &line);
print_macro_definition (name, d, file, line);
}
else
{
fprintf_filtered (gdb_stdout,
"The symbol `%s' has no definition as a C/C++"
" preprocessor macro\n"
"at ", name);
show_pp_source_pos (gdb_stdout, ms->file, ms->line);
}
}
do_cleanups (cleanup_chain);
}
/* The implementation of the `info macro' command. */
static void
info_macro_command (const char *args, int from_tty)
{
gdb::unique_xmalloc_ptr<struct macro_scope> ms;
const char *name;
int show_all_macros_named = 0;
const char *arg_start = args;
int processing_args = 1;
while (processing_args
&& arg_start && *arg_start == '-' && *arg_start != '\0')
{
const char *p = skip_to_space (arg_start);
if (strncmp (arg_start, "-a", p - arg_start) == 0
|| strncmp (arg_start, "-all", p - arg_start) == 0)
show_all_macros_named = 1;
else if (strncmp (arg_start, "--", p - arg_start) == 0)
/* Our macro support seems rather C specific but this would
seem necessary for languages allowing - in macro names.
e.g. Scheme's (defmacro ->foo () "bar\n") */
processing_args = 0;
else
{
error (_("Unrecognized option '%.*s' to info macro command. "
"Try \"help info macro\"."),
int (p - arg_start), arg_start);
}
arg_start = skip_spaces (p);
}
name = arg_start;
if (! name || ! *name)
error (_("You must follow the `info macro' command with the name"
" of the macro\n"
"whose definition you want to see."));
ms = default_macro_scope ();
if (! ms)
macro_inform_no_debuginfo ();
else if (show_all_macros_named)
macro_for_each (ms->file->table, [&] (const char *macro_name,
const macro_definition *macro,
macro_source_file *source,
int line)
{
if (strcmp (name, macro_name) == 0)
print_macro_definition (name, macro, source, line);
});
else
{
struct macro_definition *d;
d = macro_lookup_definition (ms->file, ms->line, name);
if (d)
{
int line;
struct macro_source_file *file
= macro_definition_location (ms->file, ms->line, name, &line);
print_macro_definition (name, d, file, line);
}
else
{
fprintf_filtered (gdb_stdout,
"The symbol `%s' has no definition as a C/C++"
" preprocessor macro\n"
"at ", name);
show_pp_source_pos (gdb_stdout, ms->file, ms->line);
}
}
}