/* General Compile and inject code
- Copyright (C) 2014-2018 Free Software Foundation, Inc.
+ Copyright (C) 2014-2019 Free Software Foundation, Inc.
This file is part of GDB.
#include "command.h"
#include "cli/cli-script.h"
#include "cli/cli-utils.h"
+#include "cli/cli-option.h"
#include "completer.h"
#include "gdbcmd.h"
#include "compile.h"
#include "source.h"
#include "block.h"
#include "arch-utils.h"
-#include "filestuff.h"
+#include "gdbsupport/filestuff.h"
#include "target.h"
#include "osabi.h"
-#include "gdb_wait.h"
+#include "gdbsupport/gdb_wait.h"
#include "valprint.h"
-#include "common/gdb_optional.h"
-#include "common/gdb_unlinker.h"
-#include "common/pathstuff.h"
+#include "gdbsupport/gdb_optional.h"
+#include "gdbsupport/gdb_unlinker.h"
+#include "gdbsupport/pathstuff.h"
\f
/* Debug flag for "compile" commands. */
-int compile_debug;
+bool compile_debug;
/* Object of this type are stored in the compiler's symbol_err_map. */
/* See compile-internal.h. */
bool
-compile_instance::get_cached_type (struct type *type, gcc_type &ret) const
+compile_instance::get_cached_type (struct type *type, gcc_type *ret) const
{
struct type_map_instance inst, *found;
found = (struct type_map_instance *) htab_find (m_type_map.get (), &inst);
if (found != NULL)
{
- ret = found->gcc_type_handle;
+ *ret = found->gcc_type_handle;
return true;
}
slot = htab_find_slot (m_symbol_err_map.get (), &e, INSERT);
if (*slot == NULL)
{
- struct symbol_error *e = XNEW (struct symbol_error);
+ struct symbol_error *ep = XNEW (struct symbol_error);
- e->sym = sym;
- e->message = xstrdup (text);
- *slot = e;
+ ep->sym = sym;
+ ep->message = xstrdup (text);
+ *slot = ep;
}
}
\f
-/* Check *ARG for a "-raw" or "-r" argument. Return 0 if not seen.
- Return 1 if seen and update *ARG. */
+/* Options for the compile command. */
-static int
-check_raw_argument (const char **arg)
+struct compile_options
{
- *arg = skip_spaces (*arg);
+ /* For -raw. */
+ bool raw = false;
+};
+
+using compile_flag_option_def
+ = gdb::option::flag_option_def<compile_options>;
+
+static const gdb::option::option_def compile_command_option_defs[] = {
+
+ compile_flag_option_def {
+ "raw",
+ [] (compile_options *opts) { return &opts->raw; },
+ N_("Suppress automatic 'void _gdb_expr () { CODE }' wrapping."),
+ },
+
+};
- if (arg != NULL
- && (check_for_argument (arg, "-raw", sizeof ("-raw") - 1)
- || check_for_argument (arg, "-r", sizeof ("-r") - 1)))
- return 1;
- return 0;
+/* Create an option_def_group for the "compile" command's options,
+ with OPTS as context. */
+
+static gdb::option::option_def_group
+make_compile_options_def_group (compile_options *opts)
+{
+ return {{compile_command_option_defs}, opts};
}
/* Handle the input from the 'compile file' command. The "compile
that may contain calls to the GCC compiler. */
static void
-compile_file_command (const char *arg, int from_tty)
+compile_file_command (const char *args, int from_tty)
{
- enum compile_i_scope_types scope = COMPILE_I_SIMPLE_SCOPE;
-
scoped_restore save_async = make_scoped_restore (¤t_ui->async, 0);
- /* Check the user did not just <enter> after command. */
- if (arg == NULL)
- error (_("You must provide a filename for this command."));
+ /* Check if a -raw option is provided. */
- /* Check if a raw (-r|-raw) argument is provided. */
- if (arg != NULL && check_raw_argument (&arg))
- {
- scope = COMPILE_I_RAW_SCOPE;
- arg = skip_spaces (arg);
- }
+ compile_options options;
- /* After processing arguments, check there is a filename at the end
- of the command. */
- if (arg[0] == '\0')
- error (_("You must provide a filename with the raw option set."));
+ const gdb::option::option_def_group group
+ = make_compile_options_def_group (&options);
+ gdb::option::process_options
+ (&args, gdb::option::PROCESS_OPTIONS_UNKNOWN_IS_ERROR,
+ group);
- if (arg[0] == '-')
- error (_("Unknown argument specified."));
+ enum compile_i_scope_types scope
+ = options.raw ? COMPILE_I_RAW_SCOPE : COMPILE_I_SIMPLE_SCOPE;
- arg = skip_spaces (arg);
- gdb::unique_xmalloc_ptr<char> abspath = gdb_abspath (arg);
+ args = skip_spaces (args);
+
+ /* After processing options, check whether we have a filename. */
+ if (args == nullptr || args[0] == '\0')
+ error (_("You must provide a filename for this command."));
+
+ args = skip_spaces (args);
+ gdb::unique_xmalloc_ptr<char> abspath = gdb_abspath (args);
std::string buffer = string_printf ("#include \"%s\"\n", abspath.get ());
eval_compile_command (NULL, buffer.c_str (), scope, NULL);
}
+/* Completer for the "compile file" command. */
+
+static void
+compile_file_command_completer (struct cmd_list_element *ignore,
+ completion_tracker &tracker,
+ const char *text, const char *word)
+{
+ const gdb::option::option_def_group group
+ = make_compile_options_def_group (nullptr);
+ if (gdb::option::complete_options
+ (tracker, &text, gdb::option::PROCESS_OPTIONS_UNKNOWN_IS_ERROR, group))
+ return;
+
+ word = advance_to_filename_complete_word_point (tracker, text);
+ filename_completer (ignore, tracker, text, word);
+}
+
/* Handle the input from the 'compile code' command. The
"compile code" command is used to evaluate an expression that may
contain calls to the GCC compiler. The language expected in this
compile command is the language currently set in GDB. */
static void
-compile_code_command (const char *arg, int from_tty)
+compile_code_command (const char *args, int from_tty)
{
- enum compile_i_scope_types scope = COMPILE_I_SIMPLE_SCOPE;
-
scoped_restore save_async = make_scoped_restore (¤t_ui->async, 0);
- if (arg != NULL && check_raw_argument (&arg))
- {
- scope = COMPILE_I_RAW_SCOPE;
- arg = skip_spaces (arg);
- }
+ compile_options options;
- arg = skip_spaces (arg);
+ const gdb::option::option_def_group group
+ = make_compile_options_def_group (&options);
+ gdb::option::process_options
+ (&args, gdb::option::PROCESS_OPTIONS_UNKNOWN_IS_ERROR, group);
- if (arg != NULL && !check_for_argument (&arg, "--", sizeof ("--") - 1))
- {
- if (arg[0] == '-')
- error (_("Unknown argument specified."));
- }
+ enum compile_i_scope_types scope
+ = options.raw ? COMPILE_I_RAW_SCOPE : COMPILE_I_SIMPLE_SCOPE;
- if (arg && *arg)
- eval_compile_command (NULL, arg, scope, NULL);
+ if (args && *args)
+ eval_compile_command (NULL, args, scope, NULL);
else
{
counted_command_line l = get_command_line (compile_control, "");
}
}
+/* Completer for the "compile code" command. */
+
+static void
+compile_code_command_completer (struct cmd_list_element *ignore,
+ completion_tracker &tracker,
+ const char *text, const char *word)
+{
+ const gdb::option::option_def_group group
+ = make_compile_options_def_group (nullptr);
+ if (gdb::option::complete_options
+ (tracker, &text, gdb::option::PROCESS_OPTIONS_UNKNOWN_IS_ERROR, group))
+ return;
+
+ word = advance_to_expression_complete_word_point (tracker, text);
+ symbol_completer (ignore, tracker, text, word);
+}
+
/* Callback for compile_print_command. */
void
compile_print_value (struct value *val, void *data_voidp)
{
- const struct format_data *fmtp = (const struct format_data *) data_voidp;
+ const value_print_options *print_opts = (value_print_options *) data_voidp;
- print_value (val, fmtp);
+ print_value (val, *print_opts);
}
/* Handle the input from the 'compile print' command. The "compile
compile_print_command (const char *arg, int from_tty)
{
enum compile_i_scope_types scope = COMPILE_I_PRINT_ADDRESS_SCOPE;
- struct format_data fmt;
+ value_print_options print_opts;
scoped_restore save_async = make_scoped_restore (¤t_ui->async, 0);
- /* Passing &FMT as SCOPE_DATA is safe as do_module_cleanup will not
- touch the stale pointer if compile_object_run has already quit. */
- print_command_parse_format (&arg, "compile print", &fmt);
+ get_user_print_options (&print_opts);
+ /* Override global settings with explicit options, if any. */
+ auto group = make_value_print_options_def_group (&print_opts);
+ gdb::option::process_options
+ (&arg, gdb::option::PROCESS_OPTIONS_REQUIRE_DELIMITER, group);
+
+ print_command_parse_format (&arg, "compile print", &print_opts);
+
+ /* Passing &PRINT_OPTS as SCOPE_DATA is safe as do_module_cleanup
+ will not touch the stale pointer if compile_object_run has
+ already quit. */
if (arg && *arg)
- eval_compile_command (NULL, arg, scope, &fmt);
+ eval_compile_command (NULL, arg, scope, &print_opts);
else
{
counted_command_line l = get_command_line (compile_control, "");
l->control_u.compile.scope = scope;
- l->control_u.compile.scope_data = &fmt;
+ l->control_u.compile.scope_data = &print_opts;
execute_control_command_untraced (l.get ());
}
}
strcpy (tname, TEMPLATE);
#undef TEMPLATE
-#ifdef HAVE_MKDTEMP
tempdir_name = mkdtemp (tname);
-#else
- error (_("Command not supported on this host."));
-#endif
if (tempdir_name == NULL)
perror_with_name (_("Could not make temporary directory"));
#undef FORWARD
+/* See compile.h. */
+cmd_list_element *compile_cmd_element = nullptr;
void
_initialize_compile (void)
{
struct cmd_list_element *c = NULL;
- add_prefix_cmd ("compile", class_obscure, compile_command,
- _("\
+ compile_cmd_element = add_prefix_cmd ("compile", class_obscure,
+ compile_command, _("\
Command to compile source code and inject it into the inferior."),
&compile_command_list, "compile ", 1, &cmdlist);
add_com_alias ("expression", "compile", class_obscure, 0);
- add_cmd ("code", class_obscure, compile_code_command,
- _("\
+ const auto compile_opts = make_compile_options_def_group (nullptr);
+
+ static const std::string compile_code_help
+ = gdb::option::build_help (_("\
Compile, inject, and execute code.\n\
\n\
-Usage: compile code [-r|-raw] [--] [CODE]\n\
--r|-raw: Suppress automatic 'void _gdb_expr () { CODE }' wrapping.\n\
---: Do not parse any options beyond this delimiter. All text to the\n\
- right will be treated as source code.\n\
+Usage: compile code [OPTION]... [CODE]\n\
+\n\
+Options:\n\
+%OPTIONS%\n\
\n\
The source code may be specified as a simple one line expression, e.g.:\n\
\n\
this command with no argument. GDB will then prompt for the\n\
expression interactively; type a line containing \"end\" to\n\
indicate the end of the expression."),
- &compile_command_list);
+ compile_opts);
- c = add_cmd ("file", class_obscure, compile_file_command,
- _("\
+ c = add_cmd ("code", class_obscure, compile_code_command,
+ compile_code_help.c_str (),
+ &compile_command_list);
+ set_cmd_completer_handle_brkchars (c, compile_code_command_completer);
+
+static const std::string compile_file_help
+ = gdb::option::build_help (_("\
Evaluate a file containing source code.\n\
\n\
-Usage: compile file [-r|-raw] [filename]\n\
--r|-raw: Suppress automatic 'void _gdb_expr () { CODE }' wrapping."),
+Usage: compile file [OPTION].. [FILENAME]\n\
+\n\
+Options:\n\
+%OPTIONS%"),
+ compile_opts);
+
+ c = add_cmd ("file", class_obscure, compile_file_command,
+ compile_file_help.c_str (),
&compile_command_list);
- set_cmd_completer (c, filename_completer);
+ set_cmd_completer_handle_brkchars (c, compile_file_command_completer);
+
+ const auto compile_print_opts = make_value_print_options_def_group (nullptr);
- add_cmd ("print", class_obscure, compile_print_command,
- _("\
+ static const std::string compile_print_help
+ = gdb::option::build_help (_("\
Evaluate EXPR by using the compiler and print result.\n\
\n\
-Usage: compile print[/FMT] [EXPR]\n\
+Usage: compile print [[OPTION]... --] [/FMT] [EXPR]\n\
+\n\
+Options:\n\
+%OPTIONS%\n\
+\n\
+Note: because this command accepts arbitrary expressions, if you\n\
+specify any command option, you must use a double dash (\"--\")\n\
+to mark the end of option processing. E.g.: \"compile print -o -- myobj\".\n\
\n\
The expression may be specified on the same line as the command, e.g.:\n\
\n\
\n\
EXPR may be preceded with /FMT, where FMT is a format letter\n\
but no count or size letter (see \"x\" command)."),
- &compile_command_list);
+ compile_print_opts);
+
+ c = add_cmd ("print", class_obscure, compile_print_command,
+ compile_print_help.c_str (),
+ &compile_command_list);
+ set_cmd_completer_handle_brkchars (c, print_command_completer);
add_setshow_boolean_cmd ("compile", class_maintenance, &compile_debug, _("\
Set compile command debugging."), _("\
add_setshow_string_cmd ("compile-args", class_support,
&compile_args,
- _("Set compile command GCC command-line arguments"),
- _("Show compile command GCC command-line arguments"),
+ _("Set compile command GCC command-line arguments."),
+ _("Show compile command GCC command-line arguments."),
_("\
Use options like -I (include file directory) or ABI settings.\n\
String quoting is parsed like in shell, for example:\n\
add_setshow_optional_filename_cmd ("compile-gcc", class_support,
&compile_gcc,
_("Set compile command "
- "GCC driver filename"),
+ "GCC driver filename."),
_("Show compile command "
- "GCC driver filename"),
+ "GCC driver filename."),
_("\
It should be absolute filename of the gcc executable.\n\
If empty the default target triplet will be searched in $PATH."),