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/* MI Command Set.

   Copyright 2000, 2001 Free Software Foundation, Inc.

   Contributed by Cygnus Solutions (a Red Hat company).

   This file is part of GDB.

   This program is free software; you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 2 of the License, or

   (at your option) any later version.

   This program is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program; if not, write to the Free Software

   Foundation, Inc., 59 Temple Place - Suite 330,

   Boston, MA 02111-1307, USA.  */

#include "defs.h"

#include "top.h"

#include "mi-cmds.h"

#include "gdb_string.h"

extern void _initialize_mi_cmds (void);

struct mi_cmd;

static struct mi_cmd **lookup_table (const char *command);

static void build_table (struct mi_cmd *commands);

struct mi_cmd mi_cmds[] =

{

  {"break-after", "ignore %s", 0},

  {"break-catch", 0, 0},

  {"break-commands", 0, 0},

  {"break-condition", "cond %s", 0},

  {"break-delete", "delete breakpoint %s", 0},

  {"break-disable", "disable breakpoint %s", 0},

  {"break-enable", "enable breakpoint %s", 0},

  {"break-info", "info break %s", 0},

  {"break-insert", 0, 0, mi_cmd_break_insert},

  {"break-list", "info break", 0},

  {"break-watch", 0, 0, mi_cmd_break_watch},

  {"data-disassemble", 0, 0, mi_cmd_disassemble},

  {"data-evaluate-expression", 0, 0, mi_cmd_data_evaluate_expression},

  {"data-list-changed-registers", 0, 0, mi_cmd_data_list_changed_registers},

  {"data-list-register-names", 0, 0, mi_cmd_data_list_register_names},

  {"data-list-register-values", 0, 0, mi_cmd_data_list_register_values},

  {"data-read-memory", 0, 0, mi_cmd_data_read_memory},

  {"data-write-memory", 0, 0, mi_cmd_data_write_memory},

  {"data-write-register-values", 0, 0, mi_cmd_data_write_register_values},

  {"display-delete", 0, 0},

  {"display-disable", 0, 0},

  {"display-enable", 0, 0},

  {"display-insert", 0, 0},

  {"display-list", 0, 0},

  {"environment-cd", "cd %s", 0},

  {"environment-directory", "dir %s", 0},

  {"environment-path", "path %s", 0},

  {"environment-pwd", "pwd", 0},

  {"exec-abort", 0, 0},

  {"exec-arguments", "set args %s", 0},

  {"exec-continue", 0, mi_cmd_exec_continue},

  {"exec-finish", 0, mi_cmd_exec_finish},

  {"exec-interrupt", 0, mi_cmd_exec_interrupt},

  {"exec-next", 0, mi_cmd_exec_next},

  {"exec-next-instruction", 0, mi_cmd_exec_next_instruction},

  {"exec-return", 0, mi_cmd_exec_return},

  {"exec-run", 0, mi_cmd_exec_run},

  {"exec-show-arguments", 0, 0},

  {"exec-signal", 0, 0},

  {"exec-step", 0, mi_cmd_exec_step},

  {"exec-step-instruction", 0, mi_cmd_exec_step_instruction},

  {"exec-until", 0, mi_cmd_exec_until},

  {"file-clear", 0, 0},

  {"file-exec-and-symbols", "file %s", 0},

  {"file-exec-file", "exec-file %s", 0},

  {"file-list-exec-sections", 0, 0},

  {"file-list-exec-source-files", 0, 0},

  {"file-list-shared-libraries", 0, 0},

  {"file-list-symbol-files", 0, 0},

  {"file-symbol-file", "symbol-file %s", 0},

  {"gdb-complete", 0, 0},

  {"gdb-exit", 0, 0, mi_cmd_gdb_exit},

  {"gdb-set", "set %s", 0},

  {"gdb-show", "show %s", 0},

  {"gdb-source", 0, 0},

  {"gdb-version", "show version", 0},

  {"kod-info", 0, 0},

  {"kod-list", 0, 0},

  {"kod-list-object-types", 0, 0},

  {"kod-show", 0, 0},

  {"overlay-auto", 0, 0},

  {"overlay-list-mapping-state", 0, 0},

  {"overlay-list-overlays", 0, 0},

  {"overlay-map", 0, 0},

  {"overlay-off", 0, 0},

  {"overlay-on", 0, 0},

  {"overlay-unmap", 0, 0},

  {"signal-handle", 0, 0},

  {"signal-list-handle-actions", 0, 0},

  {"signal-list-signal-types", 0, 0},

  {"stack-info-depth", 0, 0, mi_cmd_stack_info_depth},

  {"stack-info-frame", 0, 0},

  {"stack-list-arguments", 0, 0, mi_cmd_stack_list_args},

  {"stack-list-exception-handlers", 0, 0},

  {"stack-list-frames", 0, 0, mi_cmd_stack_list_frames},

  {"stack-list-locals", 0, 0, mi_cmd_stack_list_locals},

  {"stack-select-frame", 0, 0, mi_cmd_stack_select_frame},

  {"symbol-info-address", 0, 0},

  {"symbol-info-file", 0, 0},

  {"symbol-info-function", 0, 0},

  {"symbol-info-line", 0, 0},

  {"symbol-info-symbol", 0, 0},

  {"symbol-list-functions", 0, 0},

  {"symbol-list-types", 0, 0},

  {"symbol-list-variables", 0, 0},

  {"symbol-locate", 0, 0},

  {"symbol-type", 0, 0},

  {"target-attach", 0, 0},

  {"target-compare-sections", 0, 0},

  {"target-detach", "detach", 0},

  {"target-download", 0, mi_cmd_target_download},

  {"target-exec-status", 0, 0},

  {"target-list-available-targets", 0, 0},

  {"target-list-current-targets", 0, 0},

  {"target-list-parameters", 0, 0},

  {"target-select", 0, mi_cmd_target_select},

  {"thread-info", 0, 0},

  {"thread-list-all-threads", 0, 0},

  {"thread-list-ids", 0, 0, mi_cmd_thread_list_ids},

  {"thread-select", 0, 0, mi_cmd_thread_select},

  {"trace-actions", 0, 0},

  {"trace-delete", 0, 0},

  {"trace-disable", 0, 0},

  {"trace-dump", 0, 0},

  {"trace-enable", 0, 0},

  {"trace-exists", 0, 0},

  {"trace-find", 0, 0},

  {"trace-frame-number", 0, 0},

  {"trace-info", 0, 0},

  {"trace-insert", 0, 0},

  {"trace-list", 0, 0},

  {"trace-pass-count", 0, 0},

  {"trace-save", 0, 0},

  {"trace-start", 0, 0},

  {"trace-stop", 0, 0},

  {"var-assign", 0, 0, mi_cmd_var_assign},

  {"var-create", 0, 0, mi_cmd_var_create},

  {"var-delete", 0, 0, mi_cmd_var_delete},

  {"var-evaluate-expression", 0, 0, mi_cmd_var_evaluate_expression},

  {"var-info-expression", 0, 0, mi_cmd_var_info_expression},

  {"var-info-num-children", 0, 0, mi_cmd_var_info_num_children},

  {"var-info-type", 0, 0, mi_cmd_var_info_type},

  {"var-list-children", 0, 0, mi_cmd_var_list_children},

  {"var-set-format", 0, 0, mi_cmd_var_set_format},

  {"var-show-attributes", 0, 0, mi_cmd_var_show_attributes},

  {"var-show-format", 0, 0, mi_cmd_var_show_format},

  {"var-update", 0, 0, mi_cmd_var_update},

  {0,}

};

/* Pointer to the mi command table (built at run time) */

static struct mi_cmd **mi_table;

/* A prime large enough to accomodate the entire command table */

enum

  {

    MI_TABLE_SIZE = 227

  };

/* Exported function used to obtain info from the table */

struct mi_cmd *

mi_lookup (const char *command)

{

  return *lookup_table (command);

}

/* stat collecting */

struct mi_cmd_stats

{

  int hit;

  int miss;

  int rehash;

};

struct mi_cmd_stats stats;

/* our lookup function */

static struct mi_cmd **

lookup_table (const char *command)

{

  const char *chp;

  unsigned int index = 0;

  /* compute our hash */

  for (chp = command; *chp; chp++)

    {

      /* some what arbitrary */

      index = ((index << 6) + (unsigned int) *chp) % MI_TABLE_SIZE;

    }

  /* look it up */

  while (1)

    {

      struct mi_cmd **entry = &mi_table[index];

      if ((*entry) == 0)

        {

          /* not found, return pointer to next free. */

          stats.miss++;

          return entry;

        }

      if (strcmp (command, (*entry)->name) == 0)

        {

          stats.hit++;

          return entry;         /* found */

        }

      index = (index + 1) % MI_TABLE_SIZE;

      stats.rehash++;

    }

}

static void

build_table (struct mi_cmd *commands)

{

  int nr_rehash = 0;

  int nr_entries = 0;

  struct mi_cmd *command;

  int sizeof_table = sizeof (struct mi_cmd **) * MI_TABLE_SIZE;

  mi_table = xmalloc (sizeof_table);

  memset (mi_table, 0, sizeof_table);

  for (command = commands; command->name != 0; command++)

    {

      struct mi_cmd **entry = lookup_table (command->name);

      if (*entry)

        internal_error (__FILE__, __LINE__,

                        "command `%s' appears to be duplicated",

                        command->name);

      *entry = command;

      if (0)

        {

          fprintf_unfiltered (gdb_stdlog, "%-30s %2d\n",

                              command->name, stats.rehash - nr_rehash);

        }

      nr_entries++;

      nr_rehash = stats.rehash;

    }

  if (0)

    {

      fprintf_filtered (gdb_stdlog, "Average %3.1f\n",

                        (double) nr_rehash / (double) nr_entries);

    }

}

void

_initialize_mi_cmds (void)

{

  build_table (mi_cmds);

  memset (&stats, 0, sizeof (stats));

}