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/*
 * ui.h
 *
 * Copyright (C) 2012 - 2015 James Booth <boothj5@gmail.com>
 *
 * This file is part of Profanity.
 *
 * Profanity 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 3 of the License, or
 * (at your option) any later version.
 *
 * Profanity 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 Profanity.  If not, see <http://www.gnu.org/licenses/>.
 *
 * In addition, as a special exception, the copyright holders give permission to
 * link the code of portions of this program with the OpenSSL library under
 * certain conditions as described in each individual source file, and
 * distribute linked combinations including the two.
 *
 * You must obey the GNU General Public License in all respects for all of the
 * code used other than OpenSSL. If you modify file(s) with this exception, you
 * may extend this exception to your version of the file(s), but you are not
 * obligated to do so. If you do not wish to do so, delete this exception
 * statement from your version. If you delete this exception statement from all
 * source files in the program, then also delete it here.
 *
 */

#ifndef UI_UI_H
#define UI_UI_H

#include "config.h"

#include "command/commands.h"
#include "ui/win_types.h"
#include "muc.h"
#ifdef HAVE_LIBOTR
#include "otr/otr.h"
#endif

#define NO_ME           1
#define NO_DATE         2
#define NO_EOL          4
#define NO_COLOUR_FROM  8
#define NO_COLOUR_DATE  16

typedef enum {
    PROF_MSG_PLAIN,
    PROF_MSG_OTR,
    PROF_MSG_PGP
} prof_enc_t;

// core UI
void ui_init(void);
void ui_load_colours(void);
void ui_update(void);
void ui_close(void);
void ui_redraw(void);
void ui_resize(void);
GSList* ui_get_chat_recipients(void);
void ui_switch_win(ProfWin *window);
void ui_sigwinch_handler(int sig);
void ui_handle_otr_error(const char *const barejid, const char *const message);
unsigned long ui_get_idle_time(void);
void ui_reset_idle_time(void);
ProfPrivateWin* ui_new_private_win(const char *const fulljid);
void ui_print_system_msg_from_recipient(const char *const barejid, const char *message);
gint ui_unread(void);
void ui_close_connected_win(int index);
int ui_close_all_wins(void);
int ui_close_read_wins(void);
void ui_current_print_line(const char *const msg, ...);
void ui_current_print_formatted_line(const char show_char, int attrs, const char *const msg, ...);
void ui_current_error_line(const char *const msg);
void ui_win_error_line(ProfWin *window, const char *const msg);
win_type_t ui_win_type(int index);
void ui_close_win(int index);
int ui_win_unread(int index);
char* ui_ask_password(void);
char* ui_get_line(void);
char* ui_ask_pgp_passphrase(const char *hint, int prev_fail);
void ui_handle_stanza(const char *const msg);
void ui_contact_online(char *barejid, Resource *resource, GDateTime *last_activity);
void ui_contact_typing(const char *const barejid, const char *const resource);
void ui_incoming_private_msg(const char *const fulljid, const char *const message, GDateTime *timestamp);
void ui_disconnected(void);
void ui_outgoing_private_msg(ProfPrivateWin *privwin, const char *const message);
void ui_room_join(const char *const roomjid, gboolean focus);
void ui_switch_to_room(const char *const roomjid);
void ui_room_role_change(const char *const roomjid, const char *const role, const char *const actor,
    const char *const reason);
void ui_room_affiliation_change(const char *const roomjid, const char *const affiliation, const char *const actor,
    const char *const reason);
void ui_room_role_and_affiliation_change(const char *const roomjid, const char *const role,
    const char *const affiliation, const char *const actor, const char *const reason);
void ui_room_occupant_role_change(const char *const roomjid, const char *const nick, const char *const role,
    const char *const actor, const char *const reason);
void ui_room_occupant_affiliation_change(const char *const roomjid, const char *const nick,
    const char *const affiliation, const char *const actor, const char *const reason);
void ui_room_occupant_role_and_affiliation_change(const char *const roomjid, const char *const nick,
    const char *const role, const char *const affiliation, const char *const actor, const char *const reason);
void ui_room_roster(const char *const roomjid, GList *occupants, const char *const presence);
void ui_room_history(const char *const roomjid, const char *const nick, GDateTime *timestamp,
    const char *const message);
void ui_room_message(const char *const roomjid, const char *const nick, const char *const message);
void ui_room_subject(const char *const roomjid, const char *const nick, const char *const subject);
void ui_room_requires_config(const char *const roomjid);
void ui_room_destroy(const char *const roomjid);
void ui_show_room_info(ProfMucWin *mucwin);
void ui_show_room_role_list(ProfMucWin *mucwin, muc_role_t role);
void ui_show_room_affiliation_list(ProfMucWin *mucwin, muc_affiliation_t affiliation);
void ui_handle_room_info_error(const char *const roomjid, const char *const error);
void ui_show_room_disco_info(const char *const roomjid, GSList *identities, GSList *features);
void ui_room_destroyed(const char *const roomjid, const char *const reason, const char *const new_jid,
    const char *const password);
void ui_room_kicked(const char *const roomjid, const char *const actor, const char *const reason);
void ui_room_member_kicked(const char *const roomjid, const char *const nick, const char *const actor,
    const char *const reason);
void ui_room_banned(const char *const roomjid, const char *const actor, const char *const reason);
void ui_room_member_banned(const char *const roomjid, const char *const nick, const char *const actor,
    const char *const reason);
void ui_leave_room(const char *const roomjid);
void ui_room_broadcast(const char *const roomjid, const char *const message);
void ui_room_member_offline(const char *const roomjid, const char *const nick);
void ui_room_member_online(const char *const roomjid, const char *const nick, const char *const roles,
    const char *const affiliation, const char *const show, const char *const status);
void ui_room_member_nick_change(const char *const roomjid, const char *const old_nick, const char *const nick);
void ui_room_nick_change(const char *const roomjid, const char *const nick);
void ui_room_member_presence(const char *const roomjid, const char *const nick, const char *const show,
    const char *const status);
void ui_room_update_occupants(const char *const roomjid);
void ui_room_show_occupants(const char *const roomjid);
void ui_room_hide_occupants(const char *const roomjid);
void ui_show_roster(void);
void ui_hide_roster(void);
void ui_roster_add(const char *const barejid, const char *const name);
void ui_roster_remove(const char *const barejid);
void ui_contact_already_in_group(const char *const contact, const char *const group);
void ui_contact_not_in_group(const char *const contact, const char *const group);
void ui_group_added(const char *const contact, const char *const group);
void ui_group_removed(const char *const contact, const char *const group);
void ui_contact_offline(char *barejid, char *resource, char *status);
void ui_handle_recipient_not_found(const char *const recipient, const char *const err_msg);
void ui_handle_recipient_error(const char *const recipient, const char *const err_msg);
void ui_handle_error(const char *const err_msg);
void ui_clear_win_title(void);
void ui_goodbye_title(void);
void ui_handle_room_join_error(const char *const roomjid, const char *const err);
void ui_handle_room_configuration(const char *const roomjid, DataForm *form);
void ui_handle_room_configuration_form_error(const char *const roomjid, const char *const message);
void ui_handle_room_config_submit_result(const char *const roomjid);
void ui_handle_room_config_submit_result_error(const char *const roomjid, const char *const message);
void ui_handle_room_affiliation_list_error(const char *const roomjid, const char *const affiliation,
    const char *const error);
void ui_handle_room_affiliation_list(const char *const roomjid, const char *const affiliation, GSList *jids);
void ui_handle_room_affiliation_set_error(const char *const roomjid, const char *const jid,
    const char *const affiliation, const char *const error);
void ui_handle_room_role_set_error(const char *const roomjid, const char *const nick, const char *const role,
    const char *const error);
void ui_handle_room_role_list_error(const char *const roomjid, const char *const role, const char *const error);
void ui_handle_room_role_list(const char *const roomjid, const char *const role, GSList *nicks);
void ui_handle_room_kick_error(const char *const roomjid, const char *const nick, const char *const error);
void ui_show_form(ProfMucConfWin *confwin);
void ui_show_form_field(ProfWin *window, DataForm *form, char *tag);
void ui_show_form_help(ProfMucConfWin *confwin);
void ui_show_form_field_help(ProfMucConfWin *confwin, char *tag);
void ui_show_lines(ProfWin *window, const gchar** lines);
void ui_redraw_all_room_rosters(void);
void ui_show_all_room_rosters(void);
void ui_hide_all_room_rosters(void);
void ui_handle_software_version_error(const char *const roomjid, const char *const message);
void ui_show_software_version(const char *const jid, const char *const  presence, const char *const name,
    const char *const version, const char *const os);
gboolean ui_tidy_wins(void);
void ui_prune_wins(void);
gboolean ui_swap_wins(int source_win, int target_win);
void ui_clear_win(ProfWin *window);
void ui_auto_away(char *message, gint time, resource_presence_t res_presence);
void ui_titlebar_presence(contact_presence_t presence);
void ui_handle_login_account_success(ProfAccount *account, int secured);
void ui_update_presence(const resource_presence_t resource_presence, const char *const message, const char *const show);
void ui_statusbar_new(const int win);
void ui_write(char *line, int offset);
void ui_invalid_command_usage(const char *const cmd, void (*setting_func)(void));
void ui_open_xmlconsole_win(void);
gboolean ui_win_has_unsaved_form(int num);
void ui_inp_history_append(char *inp);

// Chat window
ProfChatWin* chatwin_new(const char *const barejid);
void chatwin_incoming_msg(ProfChatWin *chatwin, const char *const resource, const char *const message,
    GDateTime *timestamp, gboolean win_created, prof_enc_t enc_mode);
void chatwin_receipt_received(ProfChatWin *chatwin, const char *const id);
void chatwin_recipient_gone(ProfChatWin *chatwin);
void chatwin_outgoing_msg(ProfChatWin *chatwin, const char *const message, char *id, prof_enc_t enc_mode);
void chatwin_outgoing_carbon(ProfChatWin *chatwin, const char *const message);
void chatwin_contact_online(ProfChatWin *chatwin, Resource *resource, GDateTime *last_activity);
void chatwin_contact_offline(ProfChatWin *chatwin, char *resource, char *status);
#ifdef HAVE_LIBOTR
void chatwin_otr_secured(ProfChatWin *chatwin, gboolean trusted);
void chatwin_otr_unsecured(ProfChatWin *chatwin);
void chatwin_otr_trust(ProfChatWin *chatwin);
void chatwin_otr_untrust(ProfChatWin *chatwin);
void chatwin_otr_smp_event(ProfChatWin *chatwin, prof_otr_smp_event_t event, void *data);
#endif

// Input window
char* inp_readline(void);
void inp_nonblocking(gboolean reset);

// Console window
void cons_show(const char *const msg, ...);
void cons_show_padded(int pad, const char *const msg, ...);
void cons_about(void);
void cons_help(void);
void cons_show_help(Command *command);
void cons_bad_cmd_usage(const char *const cmd);
void cons_navigation_help(void);
void cons_prefs(void);
void cons_show_ui_prefs(void);
void cons_show_desktop_prefs(void);
void cons_show_chat_prefs(void);
void cons_show_log_prefs(void);
void cons_show_presence_prefs(void);
void cons_show_connection_prefs(void);
void cons_show_otr_prefs(void);
void cons_show_pgp_prefs(void);
void cons_show_account(ProfAccount *account);
void cons_debug(const char *const msg, ...);
void cons_show_time(void);
void cons_show_word(const char *const word);
void cons_show_error(const char *const cmd, ...);
void cons_show_contacts(GSList *list);
void cons_show_roster(GSList *list);
void cons_show_roster_group(const char *const group, GSList *list);
void cons_show_wins(void);
void cons_show_status(const char *const barejid);
void cons_show_info(PContact pcontact);
void cons_show_caps(const char *const fulljid, resource_presence_t presence);
void cons_show_themes(GSList *themes);
void cons_show_scripts(GSList *scripts);
void cons_show_script(const char *const script, GSList *commands);
void cons_show_aliases(GList *aliases);
void cons_show_login_success(ProfAccount *account, int secured);
void cons_show_software_version(const char *const jid, const char *const presence, const char *const name,
    const char *const version, const char *const os);
void cons_show_account_list(gchar **accounts);
void cons_show_room_list(GSList *room, const char *const conference_node);
void cons_show_bookmarks(const GList *list);
void cons_show_disco_items(GSList *items, const char *const jid);
void cons_show_disco_info(const char *from, GSList *identities, GSList *features);
void cons_show_room_invite(const char *const invitor, const char *const room, const char *const reason);
void cons_check_version(gboolean not_available_msg);
void cons_show_typing(const char *const barejid);
void cons_show_incoming_message(const char *const short_from, const int win_index);
void cons_show_room_invites(GSList *invites);
void cons_show_received_subs(void);
void cons_show_sent_subs(void);
void cons_alert(void);
void cons_theme_setting(void);
void cons_resource_setting(void);
void cons_privileges_setting(void);
void cons_beep_setting(void);
void cons_flash_setting(void);
void cons_splash_setting(void);
void cons_encwarn_setting(void);
void cons_tlsshow_setting(void);
void cons_vercheck_setting(void);
void cons_occupants_setting(void);
void cons_roster_setting(void);
void cons_presence_setting(void);
void cons_wrap_setting(void);
void cons_winstidy_setting(void);
void cons_time_setting(void);
void cons_statuses_setting(void);
void cons_titlebar_setting(void);
void cons_notify_setting(void);
void cons_show_desktop_prefs(void);
void cons_states_setting(void);
void cons_outtype_setting(void);
void cons_intype_setting(void);
void cons_gone_setting(void);
void cons_history_setting(void);
void cons_carbons_setting(void);
void cons_receipts_setting(void);
void cons_log_setting(void);
void cons_chlog_setting(void);
void cons_grlog_setting(void);
void cons_autoaway_setting(void);
void cons_reconnect_setting(void);
void cons_autoping_setting(void);
void cons_priority_setting(void);
void cons_autoconnect_setting(void);
void cons_inpblock_setting(void);
void cons_show_contact_online(PContact contact, Resource *resource, GDateTime *last_activity);
void cons_show_contact_offline(PContact contact, char *resource, char *status);
void cons_theme_colours(void);

// status bar
void status_bar_inactive(const int win);
void status_bar_active(const int win);
void status_bar_new(const int win);
void status_bar_set_all_inactive(void);

// roster window
void rosterwin_roster(void);

// occupants window
void occupantswin_occupants(const char *const room);

// window interface
ProfWin* win_create_console(void);
ProfWin* win_create_xmlconsole(void);
ProfWin* win_create_chat(const char *const barejid);
ProfWin* win_create_muc(const char *const roomjid);
ProfWin* win_create_muc_config(const char *const title, DataForm *form);
ProfWin* win_create_private(const char *const fulljid);
void win_update_virtual(ProfWin *window);
void win_free(ProfWin *window);
int win_unread(ProfWin *window);
void win_resize(ProfWin *window);
void win_hide_subwin(ProfWin *window);
void win_show_subwin(ProfWin *window);
void win_refresh_without_subwin(ProfWin *window);
void win_refresh_with_subwin(ProfWin *window);
void win_print(ProfWin *window, const char show_char, int pad_indent, GDateTime *timestamp, int flags, theme_item_t theme_item, const char *const from, const char *const message);
void win_vprint(ProfWin *window, const char show_char, int pad_indent, GDateTime *timestamp, int flags, theme_item_t theme_item, const char *const from, const char *const message, ...);
char* win_get_title(ProfWin *window);
void win_show_occupant(ProfWin *window, Occupant *occupant);
void win_show_occupant_info(ProfWin *window, const char *const room, Occupant *occupant);
void win_show_contact(ProfWin *window, PContact contact);
void win_show_info(ProfWin *window, PContact contact);
void win_println(ProfWin *window, int pad, const char *const message);
void win_vprintln_ch(ProfWin *window, char ch, const char *const message, ...);

// desktop notifications
void notifier_initialise(void);
void notifier_uninit(void);
void notify_typing(const char *const handle);
void notify_message(ProfWin *window, const char *const name, const char *const text);
void notify_room_message(const char *const handle, const char *const room, int win, const char *const text);
void notify_remind(void);
void notify_invite(const char *const from, const char *const room, const char *const reason);
void notify_subscription(const char *const from);

#endif
><span class="Constant">&quot;assume-screen&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L168" class="LineNr">168 </span> curr<span class="Delimiter">.</span>name = <span class="Constant">&quot;new-fake-screen&quot;</span><span class="Delimiter">;</span> <span id="L169" class="LineNr">169 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!curr<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span> <span id="L170" class="LineNr">170 </span> <a href='003trace.cc.html#L197'>raise</a> &lt;&lt; result<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;: 'assume-screen' has no products</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span> <span id="L171" class="LineNr">171 </span> <span class="Delimiter">}</span> <span id="L172" class="LineNr">172 </span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!starts_with<span class="Delimiter">(</span>result<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;scenario_&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> <span id="L173" class="LineNr">173 </span> <a href='003trace.cc.html#L197'>raise</a> &lt;&lt; result<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;: 'assume-screen' can't be called here, only in scenarios</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span> <span id="L174" class="LineNr">174 </span> <span class="Delimiter">}</span> <span id="L175" class="LineNr">175 </span> <span class="Normal">else</span> <span class="Delimiter">{</span> <span id="L176" class="LineNr">176 </span> assert<span class="Delimiter">(</span>curr<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">());</span> <span id="L177" class="LineNr">177 </span> curr<span class="Delimiter">.</span>products<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>reagent<span class="Delimiter">(</span><span class="Constant">&quot;screen:&amp;:screen/raw&quot;</span><span class="Delimiter">));</span> <span id="L178" class="LineNr">178 </span> curr<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span><a href='010vm.cc.html#L67'>set_value</a><span class="Delimiter">(</span>SCREEN<span class="Delimiter">);</span> <span id="L179" class="LineNr">179 </span> <span class="Delimiter">}</span> <span id="L180" class="LineNr">180 </span><span class="Delimiter">}</span> <span id="L181" class="LineNr">181 </span> <span id="L182" class="LineNr">182 </span><span class="Delimiter">:(scenario assume_screen_shows_up_in_errors)</span> <span id="L183" class="LineNr">183 </span><span class="Special">% Hide_errors = true;</span> <span id="L184" class="LineNr">184 </span><span class="muScenario"><a href='050scenario.cc.html#L57'>scenario</a></span> assume-screen-shows-up-in-errors [ <span id="L185" class="LineNr">185 </span> assume-screen width<span class="Delimiter">,</span> <span class="Constant">5</span> <span id="L186" class="LineNr">186 </span>] <span id="L187" class="LineNr">187 </span><span class="traceContains">+error: assume-screen-shows-up-in-errors: missing type for 'width' in 'assume-screen width, 5'</span> <span id="L188" class="LineNr">188 </span> <span id="L189" class="LineNr">189 </span><span class="Comment">//: screen-should-contain is a regular instruction</span> <span id="L190" class="LineNr">190 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span> <span id="L191" class="LineNr">191 </span>SCREEN_SHOULD_CONTAIN<span class="Delimiter">,</span> <span id="L192" class="LineNr">192 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span> <span id="L193" class="LineNr">193 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;screen-should-contain&quot;</span><span class="Delimiter">,</span> SCREEN_SHOULD_CONTAIN<span class="Delimiter">);</span> <span id="L194" class="LineNr">194 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span> <span id="L195" class="LineNr">195 </span><span class="Normal">case</span> SCREEN_SHOULD_CONTAIN: <span class="Delimiter">{</span> <span id="L196" class="LineNr">196 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L197" class="LineNr">197 </span> <a href='003trace.cc.html#L197'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'screen-should-contain' requires exactly one ingredient, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span> <span id="L198" class="LineNr">198 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L199" class="LineNr">199 </span> <span class="Delimiter">}</span> <span id="L200" class="LineNr">200 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_literal_text<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span> <span id="L201" class="LineNr">201 </span> <a href='003trace.cc.html#L197'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;first ingredient of 'screen-should-contain' should be a literal string, but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span> <span id="L202" class="LineNr">202 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L203" class="LineNr">203 </span> <span class="Delimiter">}</span> <span id="L204" class="LineNr">204 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L205" class="LineNr">205 </span><span class="Delimiter">}</span> <span id="L206" class="LineNr">206 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span> <span id="L207" class="LineNr">207 </span><span class="Normal">case</span> SCREEN_SHOULD_CONTAIN: <span class="Delimiter">{</span> <span id="L208" class="LineNr">208 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!Passed<span class="Delimiter">)</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L209" class="LineNr">209 </span> assert<span class="Delimiter">(</span>scalar<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)));</span> <span id="L210" class="LineNr">210 </span> check_screen<span class="Delimiter">(</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name<span class="Delimiter">,</span> -<span class="Constant">1</span><span class="Delimiter">);</span> <span id="L211" class="LineNr">211 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L212" class="LineNr">212 </span><span class="Delimiter">}</span> <span id="L213" class="LineNr">213 </span> <span id="L214" class="LineNr">214 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span> <span id="L215" class="LineNr">215 </span>SCREEN_SHOULD_CONTAIN_IN_COLOR<span class="Delimiter">,</span> <span id="L216" class="LineNr">216 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span> <span id="L217" class="LineNr">217 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;screen-should-contain-in-color&quot;</span><span class="Delimiter">,</span> SCREEN_SHOULD_CONTAIN_IN_COLOR<span class="Delimiter">);</span> <span id="L218" class="LineNr">218 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span> <span id="L219" class="LineNr">219 </span><span class="Normal">case</span> SCREEN_SHOULD_CONTAIN_IN_COLOR: <span class="Delimiter">{</span> <span id="L220" class="LineNr">220 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L221" class="LineNr">221 </span> <a href='003trace.cc.html#L197'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'screen-should-contain-in-color' requires exactly two ingredients, but got '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span> <span id="L222" class="LineNr">222 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L223" class="LineNr">223 </span> <span class="Delimiter">}</span> <span id="L224" class="LineNr">224 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span> <span id="L225" class="LineNr">225 </span> <a href='003trace.cc.html#L197'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;first ingredient of 'screen-should-contain-in-color' should be a number (color code), but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span> <span id="L226" class="LineNr">226 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L227" class="LineNr">227 </span> <span class="Delimiter">}</span> <span id="L228" class="LineNr">228 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_literal_text<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span> <span id="L229" class="LineNr">229 </span> <a href='003trace.cc.html#L197'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;second ingredient of 'screen-should-contain-in-color' should be a literal string, but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span> <span id="L230" class="LineNr">230 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L231" class="LineNr">231 </span> <span class="Delimiter">}</span> <span id="L232" class="LineNr">232 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L233" class="LineNr">233 </span><span class="Delimiter">}</span> <span id="L234" class="LineNr">234 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span> <span id="L235" class="LineNr">235 </span><span class="Normal">case</span> SCREEN_SHOULD_CONTAIN_IN_COLOR: <span class="Delimiter">{</span> <span id="L236" class="LineNr">236 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!Passed<span class="Delimiter">)</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L237" class="LineNr">237 </span> assert<span class="Delimiter">(</span>scalar<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)));</span> <span id="L238" class="LineNr">238 </span> assert<span class="Delimiter">(</span>scalar<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">)));</span> <span id="L239" class="LineNr">239 </span> check_screen<span class="Delimiter">(</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>name<span class="Delimiter">,</span> ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span> <span id="L240" class="LineNr">240 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L241" class="LineNr">241 </span><span class="Delimiter">}</span> <span id="L242" class="LineNr">242 </span> <span id="L243" class="LineNr">243 </span><span class="Delimiter">:(before &quot;End Types&quot;)</span> <span id="L244" class="LineNr">244 </span><span class="Comment">// scan an array of characters in a unicode-aware, bounds-checked manner</span> <span id="L245" class="LineNr">245 </span><span class="Normal">struct</span> raw_string_stream <span class="Delimiter">{</span> <span id="L246" class="LineNr">246 </span> <span class="Normal">int</span> index<span class="Delimiter">;</span> <span id="L247" class="LineNr">247 </span> <span class="Normal">const</span> <span class="Normal">int</span> max<span class="Delimiter">;</span> <span id="L248" class="LineNr">248 </span> <span class="Normal">const</span> <span class="Normal">char</span>* buf<span class="Delimiter">;</span> <span id="L249" class="LineNr">249 </span> <span id="L250" class="LineNr">250 </span> raw_string_stream<span class="Delimiter">(</span><span class="Normal">const</span> string&amp;<span class="Delimiter">);</span> <span id="L251" class="LineNr">251 </span> <span class="Normal">uint32_t</span> get<span class="Delimiter">();</span> <span class="Comment">// unicode codepoint</span> <span id="L252" class="LineNr">252 </span> <span class="Normal">uint32_t</span> peek<span class="Delimiter">();</span> <span class="Comment">// unicode codepoint</span> <span id="L253" class="LineNr">253 </span> <span class="Normal">bool</span> at_end<span class="Delimiter">()</span> <span class="Normal">const</span><span class="Delimiter">;</span> <span id="L254" class="LineNr">254 </span> <span class="Normal">void</span> <a href='011load.cc.html#L211'>skip_whitespace_and_comments</a><span class="Delimiter">();</span> <span id="L255" class="LineNr">255 </span><span class="Delimiter">};</span> <span id="L256" class="LineNr">256 </span> <span id="L257" class="LineNr">257 </span><span class="Delimiter">:(code)</span> <span id="L258" class="LineNr">258 </span><span class="Normal">void</span> check_screen<span class="Delimiter">(</span><span class="Normal">const</span> string&amp; expected_contents<span class="Delimiter">,</span> <span class="Normal">const</span> <span class="Normal">int</span> color<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L259" class="LineNr">259 </span> <span class="Normal">int</span> screen_location = <a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> SCREEN+<span class="Comment">/*</span><span class="Comment">skip <a href='043space.cc.html#L101'>address</a> alloc id</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">)</span> + <span class="Comment">/*</span><span class="Comment">skip payload alloc id</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span> <span id="L260" class="LineNr">260 </span> reagent screen<span class="Delimiter">(</span><span class="Constant">&quot;x:screen&quot;</span><span class="Delimiter">);</span> <span class="Comment">// just to ensure screen.type is reclaimed</span> <span id="L261" class="LineNr">261 </span> <span class="Normal">int</span> screen_data_location = <a href='042name.cc.html#L148'>find_element_location</a><span class="Delimiter">(</span>screen_location<span class="Delimiter">,</span> <span class="Constant">&quot;data&quot;</span><span class="Delimiter">,</span> screen<span class="Delimiter">.</span>type<span class="Delimiter">,</span> <span class="Constant">&quot;check_screen&quot;</span><span class="Delimiter">);</span> <span class="Comment">// type: address:array:character</span> <span id="L262" class="LineNr">262 </span> assert<span class="Delimiter">(</span>screen_data_location &gt;= <span class="Constant">0</span><span class="Delimiter">);</span> <span id="L263" class="LineNr">263 </span><span class="CommentedCode">//? cerr &lt;&lt; &quot;screen data is at location &quot; &lt;&lt; screen_data_location &lt;&lt; '\n';</span> <span id="L264" class="LineNr">264 </span> <span class="Normal">int</span> screen_data_start = <a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> screen_data_location+<span class="Comment">/*</span><span class="Comment">skip <a href='043space.cc.html#L101'>address</a> alloc id</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">)</span> + <span class="Comment">/*</span><span class="Comment">skip payload alloc id</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span> <span class="Comment">// type: array:character</span> <span id="L265" class="LineNr">265 </span><span class="CommentedCode">//? cerr &lt;&lt; &quot;screen data start is at &quot; &lt;&lt; screen_data_start &lt;&lt; '\n';</span> <span id="L266" class="LineNr">266 </span> <span class="Normal">int</span> screen_width_location = <a href='042name.cc.html#L148'>find_element_location</a><span class="Delimiter">(</span>screen_location<span class="Delimiter">,</span> <span class="Constant">&quot;num-columns&quot;</span><span class="Delimiter">,</span> screen<span class="Delimiter">.</span>type<span class="Delimiter">,</span> <span class="Constant">&quot;check_screen&quot;</span><span class="Delimiter">);</span> <span id="L267" class="LineNr">267 </span><span class="CommentedCode">//? cerr &lt;&lt; &quot;screen width is at location &quot; &lt;&lt; screen_width_location &lt;&lt; '\n';</span> <span id="L268" class="LineNr">268 </span> <span class="Normal">int</span> screen_width = <a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> screen_width_location<span class="Delimiter">);</span> <span id="L269" class="LineNr">269 </span><span class="CommentedCode">//? cerr &lt;&lt; &quot;screen width: &quot; &lt;&lt; screen_width &lt;&lt; '\n';</span> <span id="L270" class="LineNr">270 </span> <span class="Normal">int</span> screen_height_location = <a href='042name.cc.html#L148'>find_element_location</a><span class="Delimiter">(</span>screen_location<span class="Delimiter">,</span> <span class="Constant">&quot;num-rows&quot;</span><span class="Delimiter">,</span> screen<span class="Delimiter">.</span>type<span class="Delimiter">,</span> <span class="Constant">&quot;check_screen&quot;</span><span class="Delimiter">);</span> <span id="L271" class="LineNr">271 </span><span class="CommentedCode">//? cerr &lt;&lt; &quot;screen height is at location &quot; &lt;&lt; screen_height_location &lt;&lt; '\n';</span> <span id="L272" class="LineNr">272 </span> <span class="Normal">int</span> screen_height = <a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> screen_height_location<span class="Delimiter">);</span> <span id="L273" class="LineNr">273 </span><span class="CommentedCode">//? cerr &lt;&lt; &quot;screen height: &quot; &lt;&lt; screen_height &lt;&lt; '\n';</span> <span id="L274" class="LineNr">274 </span> <span class="Normal">int</span> top_index_location= <a href='042name.cc.html#L148'>find_element_location</a><span class="Delimiter">(</span>screen_location<span class="Delimiter">,</span> <span class="Constant">&quot;top-idx&quot;</span><span class="Delimiter">,</span> screen<span class="Delimiter">.</span>type<span class="Delimiter">,</span> <span class="Constant">&quot;check_screen&quot;</span><span class="Delimiter">);</span> <span id="L275" class="LineNr">275 </span><span class="CommentedCode">//? cerr &lt;&lt; &quot;top of screen is at location &quot; &lt;&lt; top_index_location &lt;&lt; '\n';</span> <span id="L276" class="LineNr">276 </span> <span class="Normal">int</span> top_index = <a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> top_index_location<span class="Delimiter">);</span> <span id="L277" class="LineNr">277 </span><span class="CommentedCode">//? cerr &lt;&lt; &quot;top of screen is index &quot; &lt;&lt; top_index &lt;&lt; '\n';</span> <span id="L278" class="LineNr">278 </span> raw_string_stream cursor<span class="Delimiter">(</span>expected_contents<span class="Delimiter">);</span> <span id="L279" class="LineNr">279 </span> <span class="Comment">// todo: too-long expected_contents should fail</span> <span id="L280" class="LineNr">280 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i=<span class="Constant">0</span><span class="Delimiter">,</span> row=top_index/screen_width<span class="Delimiter">;</span> i &lt; screen_height<span class="Delimiter">;</span> ++i<span class="Delimiter">,</span> row=<span class="Delimiter">(</span>row+<span class="Constant">1</span><span class="Delimiter">)</span>%screen_height<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L281" class="LineNr">281 </span> cursor<span class="Delimiter">.</span><a href='011load.cc.html#L211'>skip_whitespace_and_comments</a><span class="Delimiter">();</span> <span id="L282" class="LineNr">282 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>cursor<span class="Delimiter">.</span>at_end<span class="Delimiter">())</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L283" class="LineNr">283 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>cursor<span class="Delimiter">.</span>get<span class="Delimiter">()</span> != <span class="Constant">'.'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L284" class="LineNr">284 </span> <a href='003trace.cc.html#L197'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;each row of the expected screen should start with a '.'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span> <span id="L285" class="LineNr">285 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!Scenario_testing_scenario<span class="Delimiter">)</span> Passed =<span class="Constant"> false</span><span class="Delimiter">;</span> <span id="L286" class="LineNr">286 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span id="L287" class="LineNr">287 </span> <span class="Delimiter">}</span> <span id="L288" class="LineNr">288 </span> <span class="Normal">int</span> addr = screen_data_start+<span class="Comment">/*</span><span class="Comment">length</span><span class="Comment">*/</span><span class="Constant">1</span>+row*screen_width* <span class="Comment">/*</span><span class="Comment">size of screen-cell</span><span class="Comment">*/</span><span class="Constant">2</span><span class="Delimiter">;</span> <span id="L289" class="LineNr">289 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> column = <span class="Constant">0</span><span class="Delimiter">;</span> column &lt; screen_width<span class="Delimiter">;</span> ++column<span class="Delimiter">,</span> addr+= <span class="Comment">/*</span><span class="Comment">size of screen-cell</span><span class="Comment">*/</span><span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L290" class="LineNr">290 </span> <span class="Normal">const</span> <span class="Normal">int</span> cell_color_offset = <span class="Constant">1</span><span class="Delimiter">;</span> <span id="L291" class="LineNr">291 </span> <span class="Normal">uint32_t</span> curr = cursor<span class="Delimiter">.</span>get<span class="Delimiter">();</span> <span id="L292" class="LineNr">292 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> addr<span class="Delimiter">)</span> == <span class="Constant">0</span> &amp;&amp; isspace<span class="Delimiter">(</span>curr<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span id="L293" class="LineNr">293 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>curr == <span class="Constant">' '</span> &amp;&amp; color != -<span class="Constant">1</span> &amp;&amp; color != <a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> addr+cell_color_offset<span class="Delimiter">))</span> <span class="Delimiter">{</span> <span id="L294" class="LineNr">294 </span> <span class="Comment">// filter out other colors</span> <span id="L295" class="LineNr">295 </span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span id="L296" class="LineNr">296 </span> <span class="Delimiter">}</span> <span id="L297" class="LineNr">297 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> addr<span class="Delimiter">)</span> != <span class="Constant">0</span> &amp;&amp; <a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> addr<span class="Delimiter">)</span> == curr<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L298" class="LineNr">298 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>color == -<span class="Constant">1</span> || color == <a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> addr+cell_color_offset<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span id="L299" class="LineNr">299 </span> <span class="Comment">// contents match but color is off</span> <span id="L300" class="LineNr">300 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!Hide_errors<span class="Delimiter">)</span> cerr &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> <span id="L301" class="LineNr">301 </span> <a href='003trace.cc.html#L197'>raise</a> &lt;&lt; <span class="Constant">&quot;F - &quot;</span> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;expected screen location (&quot;</span> &lt;&lt; row &lt;&lt; <span class="Constant">&quot;, &quot;</span> &lt;&lt; column &lt;&lt; <span class="Constant">&quot;) to contain '&quot;</span> &lt;&lt; unicode_character_at<span class="Delimiter">(</span>addr<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;' in color &quot;</span> &lt;&lt; color &lt;&lt; <span class="Constant">&quot; instead of &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> addr+cell_color_offset<span class="Delimiter">))</span> &lt;&lt; <span class="Constant">&quot;</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span> <span id="L302" class="LineNr">302 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!Hide_errors<span class="Delimiter">)</span> dump_screen<span class="Delimiter">();</span> <span id="L303" class="LineNr">303 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!Scenario_testing_scenario<span class="Delimiter">)</span> Passed =<span class="Constant"> false</span><span class="Delimiter">;</span> <span id="L304" class="LineNr">304 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span id="L305" class="LineNr">305 </span> <span class="Delimiter">}</span> <span id="L306" class="LineNr">306 </span> <span id="L307" class="LineNr">307 </span> <span class="Comment">// really a mismatch</span> <span id="L308" class="LineNr">308 </span> <span class="Comment">// can't print multi-byte unicode characters in errors just yet. not very useful for debugging anyway.</span> <span id="L309" class="LineNr">309 </span> <span class="Normal">char</span> expected_pretty[<span class="Constant">10</span>] = <span class="Delimiter">{</span><span class="Constant">0</span><span class="Delimiter">};</span> <span id="L310" class="LineNr">310 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>curr &lt; <span class="Constant">256</span> &amp;&amp; !iscntrl<span class="Delimiter">(</span>curr<span class="Delimiter">))</span> <span class="Delimiter">{</span> <span id="L311" class="LineNr">311 </span> <span class="Comment">// &quot; ('&lt;curr&gt;')&quot;</span> <span id="L312" class="LineNr">312 </span> expected_pretty[<span class="Constant">0</span>] = <span class="Constant">' '</span><span class="Delimiter">,</span> expected_pretty[<span class="Constant">1</span>] = <span class="Constant">'('</span><span class="Delimiter">,</span> expected_pretty[<span class="Constant">2</span>] = <span class="cSpecial">'\''</span><span class="Delimiter">,</span> expected_pretty[<span class="Constant">3</span>] = <span class="Normal">static_cast</span>&lt;<span class="Normal">unsigned</span> <span class="Normal">char</span>&gt;<span class="Delimiter">(</span>curr<span class="Delimiter">),</span> expected_pretty[<span class="Constant">4</span>] = <span class="cSpecial">'\''</span><span class="Delimiter">,</span> expected_pretty[<span class="Constant">5</span>] = <span class="Constant">')'</span><span class="Delimiter">,</span> expected_pretty[<span class="Constant">6</span>] = <span class="cSpecial">'\0'</span><span class="Delimiter">;</span> <span id="L313" class="LineNr">313 </span> <span class="Delimiter">}</span> <span id="L314" class="LineNr">314 </span> <span class="Normal">char</span> actual_pretty[<span class="Constant">10</span>] = <span class="Delimiter">{</span><span class="Constant">0</span><span class="Delimiter">};</span> <span id="L315" class="LineNr">315 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> addr<span class="Delimiter">)</span> &lt; <span class="Constant">256</span> &amp;&amp; !iscntrl<span class="Delimiter">(</span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> addr<span class="Delimiter">)))</span> <span class="Delimiter">{</span> <span id="L316" class="LineNr">316 </span> <span class="Comment">// &quot; ('&lt;curr&gt;')&quot;</span> <span id="L317" class="LineNr">317 </span> actual_pretty[<span class="Constant">0</span>] = <span class="Constant">' '</span><span class="Delimiter">,</span> actual_pretty[<span class="Constant">1</span>] = <span class="Constant">'('</span><span class="Delimiter">,</span> actual_pretty[<span class="Constant">2</span>] = <span class="cSpecial">'\''</span><span class="Delimiter">,</span> actual_pretty[<span class="Constant">3</span>] = <span class="Normal">static_cast</span>&lt;<span class="Normal">unsigned</span> <span class="Normal">char</span>&gt;<span class="Delimiter">(</span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> addr<span class="Delimiter">)),</span> actual_pretty[<span class="Constant">4</span>] = <span class="cSpecial">'\''</span><span class="Delimiter">,</span> actual_pretty[<span class="Constant">5</span>] = <span class="Constant">')'</span><span class="Delimiter">,</span> actual_pretty[<span class="Constant">6</span>] = <span class="cSpecial">'\0'</span><span class="Delimiter">;</span> <span id="L318" class="LineNr">318 </span> <span class="Delimiter">}</span> <span id="L319" class="LineNr">319 </span> <span id="L320" class="LineNr">320 </span> ostringstream color_phrase<span class="Delimiter">;</span> <span id="L321" class="LineNr">321 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>color != -<span class="Constant">1</span><span class="Delimiter">)</span> color_phrase &lt;&lt; <span class="Constant">&quot; in color &quot;</span> &lt;&lt; color<span class="Delimiter">;</span> <span id="L322" class="LineNr">322 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!Hide_errors<span class="Delimiter">)</span> cerr &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> <span id="L323" class="LineNr">323 </span> <a href='003trace.cc.html#L197'>raise</a> &lt;&lt; <span class="Constant">&quot;F - &quot;</span> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;expected screen location (&quot;</span> &lt;&lt; row &lt;&lt; <span class="Constant">&quot;, &quot;</span> &lt;&lt; column &lt;&lt; <span class="Constant">&quot;) to contain &quot;</span> &lt;&lt; curr &lt;&lt; expected_pretty &lt;&lt; color_phrase<span class="Delimiter">.</span>str<span class="Delimiter">()</span> &lt;&lt; <span class="Constant">&quot; instead of &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> addr<span class="Delimiter">))</span> &lt;&lt; actual_pretty &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span> <span id="L324" class="LineNr">324 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!Hide_errors<span class="Delimiter">)</span> dump_screen<span class="Delimiter">();</span> <span id="L325" class="LineNr">325 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!Scenario_testing_scenario<span class="Delimiter">)</span> Passed =<span class="Constant"> false</span><span class="Delimiter">;</span> <span id="L326" class="LineNr">326 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span id="L327" class="LineNr">327 </span> <span class="Delimiter">}</span> <span id="L328" class="LineNr">328 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>cursor<span class="Delimiter">.</span>get<span class="Delimiter">()</span> != <span class="Constant">'.'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L329" class="LineNr">329 </span> <a href='003trace.cc.html#L197'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;row &quot;</span> &lt;&lt; row &lt;&lt; <span class="Constant">&quot; of the expected screen is too long</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span> <span id="L330" class="LineNr">330 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!Scenario_testing_scenario<span class="Delimiter">)</span> Passed =<span class="Constant"> false</span><span class="Delimiter">;</span> <span id="L331" class="LineNr">331 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span id="L332" class="LineNr">332 </span> <span class="Delimiter">}</span> <span id="L333" class="LineNr">333 </span> <span class="Delimiter">}</span> <span id="L334" class="LineNr">334 </span> cursor<span class="Delimiter">.</span><a href='011load.cc.html#L211'>skip_whitespace_and_comments</a><span class="Delimiter">();</span> <span id="L335" class="LineNr">335 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!cursor<span class="Delimiter">.</span>at_end<span class="Delimiter">())</span> <span class="Delimiter">{</span> <span id="L336" class="LineNr">336 </span> <a href='003trace.cc.html#L197'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;expected screen has too many rows</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span> <span id="L337" class="LineNr">337 </span> Passed =<span class="Constant"> false</span><span class="Delimiter">;</span> <span id="L338" class="LineNr">338 </span> <span class="Delimiter">}</span> <span id="L339" class="LineNr">339 </span><span class="Delimiter">}</span> <span id="L340" class="LineNr">340 </span> <span id="L341" class="LineNr">341 </span><span class="Normal">const</span> <span class="Normal">char</span>* unicode_character_at<span class="Delimiter">(</span><span class="Normal">int</span> addr<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L342" class="LineNr">342 </span> <span class="Normal">int</span> unicode_code_point = <span class="Normal">static_cast</span>&lt;<span class="Normal">int</span>&gt;<span class="Delimiter">(</span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> addr<span class="Delimiter">));</span> <span id="L343" class="LineNr">343 </span> <span class="Identifier">return</span> to_unicode<span class="Delimiter">(</span>unicode_code_point<span class="Delimiter">);</span> <span id="L344" class="LineNr">344 </span><span class="Delimiter">}</span> <span id="L345" class="LineNr">345 </span> <span id="L346" class="LineNr">346 </span>raw_string_stream::raw_string_stream<span class="Delimiter">(</span><span class="Normal">const</span> string&amp; backing<span class="Delimiter">)</span> :index<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">),</span> max<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>backing<span class="Delimiter">)),</span> buf<span class="Delimiter">(</span>backing<span class="Delimiter">.</span>c_str<span class="Delimiter">())</span> <span class="Delimiter">{}</span> <span id="L347" class="LineNr">347 </span> <span id="L348" class="LineNr">348 </span><span class="Normal">bool</span> raw_string_stream::at_end<span class="Delimiter">()</span> <span class="Normal">const</span> <span class="Delimiter">{</span> <span id="L349" class="LineNr">349 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>index &gt;= max<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span> <span id="L350" class="LineNr">350 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>tb_utf8_char_length<span class="Delimiter">(</span>buf[index]<span class="Delimiter">)</span> &gt; max-index<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L351" class="LineNr">351 </span> <a href='003trace.cc.html#L197'>raise</a> &lt;&lt; <span class="Constant">&quot;unicode string seems corrupted at index &quot;</span>&lt;&lt; index &lt;&lt; <span class="Constant">&quot; character &quot;</span> &lt;&lt; <span class="Normal">static_cast</span>&lt;<span class="Normal">int</span>&gt;<span class="Delimiter">(</span>buf[index]<span class="Delimiter">)</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L226'>end</a><span class="Delimiter">();</span> <span id="L352" class="LineNr">352 </span> <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span> <span id="L353" class="LineNr">353 </span> <span class="Delimiter">}</span> <span id="L354" class="LineNr">354 </span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span> <span id="L355" class="LineNr">355 </span><span class="Delimiter">}</span> <span id="L356" class="LineNr">356 </span> <span id="L357" class="LineNr">357 </span><span class="Normal">uint32_t</span> raw_string_stream::get<span class="Delimiter">()</span> <span class="Delimiter">{</span> <span id="L358" class="LineNr">358 </span> assert<span class="Delimiter">(</span>index &lt; max<span class="Delimiter">);</span> <span class="Comment">// caller must check bounds before calling 'get'</span> <span id="L359" class="LineNr">359 </span> <span class="Normal">uint32_t</span> result = <span class="Constant">0</span><span class="Delimiter">;</span> <span id="L360" class="LineNr">360 </span> <span class="Normal">int</span> length = tb_utf8_char_to_unicode<span class="Delimiter">(</span>&amp;result<span class="Delimiter">,</span> &amp;buf[index]<span class="Delimiter">);</span> <span id="L361" class="LineNr">361 </span> assert<span class="Delimiter">(</span>length != TB_EOF<span class="Delimiter">);</span> <span id="L362" class="LineNr">362 </span> index += length<span class="Delimiter">;</span> <span id="L363" class="LineNr">363 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span> <span id="L364" class="LineNr">364 </span><span class="Delimiter">}</span> <span id="L365" class="LineNr">365 </span> <span id="L366" class="LineNr">366 </span><span class="Normal">uint32_t</span> raw_string_stream::peek<span class="Delimiter">()</span> <span class="Delimiter">{</span> <span id="L367" class="LineNr">367 </span> assert<span class="Delimiter">(</span>index &lt; max<span class="Delimiter">);</span> <span class="Comment">// caller must check bounds before calling 'get'</span> <span id="L368" class="LineNr">368 </span> <span class="Normal">uint32_t</span> result = <span class="Constant">0</span><span class="Delimiter">;</span> <span id="L369" class="LineNr">369 </span> <span class="Normal">int</span> length = tb_utf8_char_to_unicode<span class="Delimiter">(</span>&amp;result<span class="Delimiter">,</span> &amp;buf[index]<span class="Delimiter">);</span> <span id="L370" class="LineNr">370 </span> assert<span class="Delimiter">(</span>length != TB_EOF<span class="Delimiter">);</span> <span id="L371" class="LineNr">371 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span> <span id="L372" class="LineNr">372 </span><span class="Delimiter">}</span> <span id="L373" class="LineNr">373 </span> <span id="L374" class="LineNr">374 </span><span class="Normal">void</span> raw_string_stream::<a href='011load.cc.html#L211'>skip_whitespace_and_comments</a><span class="Delimiter">()</span> <span class="Delimiter">{</span> <span id="L375" class="LineNr">375 </span> <span class="Normal">while</span> <span class="Delimiter">(</span>!at_end<span class="Delimiter">())</span> <span class="Delimiter">{</span> <span id="L376" class="LineNr">376 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>isspace<span class="Delimiter">(</span>peek<span class="Delimiter">()))</span> get<span class="Delimiter">();</span> <span id="L377" class="LineNr">377 </span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>peek<span class="Delimiter">()</span> == <span class="Constant">'#'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L378" class="LineNr">378 </span> <span class="Comment">// skip comment</span> <span id="L379" class="LineNr">379 </span> get<span class="Delimiter">();</span> <span id="L380" class="LineNr">380 </span> <span class="Normal">while</span> <span class="Delimiter">(</span>peek<span class="Delimiter">()</span> != <span class="cSpecial">'\n'</span><span class="Delimiter">)</span> get<span class="Delimiter">();</span> <span class="Comment">// implicitly also handles CRLF</span> <span id="L381" class="LineNr">381 </span> <span class="Delimiter">}</span> <span id="L382" class="LineNr">382 </span> <span class="Normal">else</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L383" class="LineNr">383 </span> <span class="Delimiter">}</span> <span id="L384" class="LineNr">384 </span><span class="Delimiter">}</span> <span id="L385" class="LineNr">385 </span> <span id="L386" class="LineNr">386 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span> <span id="L387" class="LineNr">387 </span>_DUMP_SCREEN<span class="Delimiter">,</span> <span id="L388" class="LineNr">388 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span> <span id="L389" class="LineNr">389 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$dump-screen&quot;</span><span class="Delimiter">,</span> _DUMP_SCREEN<span class="Delimiter">);</span> <span id="L390" class="LineNr">390 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span> <span id="L391" class="LineNr">391 </span><span class="Normal">case</span> _DUMP_SCREEN: <span class="Delimiter">{</span> <span id="L392" class="LineNr">392 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L393" class="LineNr">393 </span><span class="Delimiter">}</span> <span id="L394" class="LineNr">394 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span> <span id="L395" class="LineNr">395 </span><span class="Normal">case</span> _DUMP_SCREEN: <span class="Delimiter">{</span> <span id="L396" class="LineNr">396 </span> dump_screen<span class="Delimiter">();</span> <span id="L397" class="LineNr">397 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L398" class="LineNr">398 </span><span class="Delimiter">}</span> <span id="L399" class="LineNr">399 </span> <span id="L400" class="LineNr">400 </span><span class="Delimiter">:(code)</span> <span id="L401" class="LineNr">401 </span><span class="Normal">void</span> dump_screen<span class="Delimiter">()</span> <span class="Delimiter">{</span> <span id="L402" class="LineNr">402 </span> <span class="Normal">int</span> screen_location = <a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> SCREEN+<span class="Comment">/*</span><span class="Comment">skip <a href='043space.cc.html#L101'>address</a> alloc id</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">)</span> + <span class="Comment">/*</span><span class="Comment">skip payload alloc id</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span> <span id="L403" class="LineNr">403 </span> reagent screen<span class="Delimiter">(</span><span class="Constant">&quot;x:screen&quot;</span><span class="Delimiter">);</span> <span class="Comment">// just to ensure screen.type is reclaimed</span> <span id="L404" class="LineNr">404 </span> <span class="Normal">int</span> screen_data_location = <a href='042name.cc.html#L148'>find_element_location</a><span class="Delimiter">(</span>screen_location<span class="Delimiter">,</span> <span class="Constant">&quot;data&quot;</span><span class="Delimiter">,</span> screen<span class="Delimiter">.</span>type<span class="Delimiter">,</span> <span class="Constant">&quot;check_screen&quot;</span><span class="Delimiter">);</span> <span class="Comment">// type: address:array:character</span> <span id="L405" class="LineNr">405 </span> assert<span class="Delimiter">(</span>screen_data_location &gt;= <span class="Constant">0</span><span class="Delimiter">);</span> <span id="L406" class="LineNr">406 </span><span class="CommentedCode">//? cerr &lt;&lt; &quot;screen data is at location &quot; &lt;&lt; screen_data_location &lt;&lt; '\n';</span> <span id="L407" class="LineNr">407 </span> <span class="Normal">int</span> screen_data_start = <a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> screen_data_location+<span class="Comment">/*</span><span class="Comment">skip <a href='043space.cc.html#L101'>address</a> alloc id</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">)</span> + <span class="Comment">/*</span><span class="Comment">skip payload alloc id</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span> <span class="Comment">// type: array:character</span> <span id="L408" class="LineNr">408 </span><span class="CommentedCode">//? cerr &lt;&lt; &quot;screen data start is at &quot; &lt;&lt; screen_data_start &lt;&lt; '\n';</span> <span id="L409" class="LineNr">409 </span> <span class="Normal">int</span> screen_width_location = <a href='042name.cc.html#L148'>find_element_location</a><span class="Delimiter">(</span>screen_location<span class="Delimiter">,</span> <span class="Constant">&quot;num-columns&quot;</span><span class="Delimiter">,</span> screen<span class="Delimiter">.</span>type<span class="Delimiter">,</span> <span class="Constant">&quot;check_screen&quot;</span><span class="Delimiter">);</span> <span id="L410" class="LineNr">410 </span><span class="CommentedCode">//? cerr &lt;&lt; &quot;screen width is at location &quot; &lt;&lt; screen_width_location &lt;&lt; '\n';</span> <span id="L411" class="LineNr">411 </span> <span class="Normal">int</span> screen_width = <a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> screen_width_location<span class="Delimiter">);</span> <span id="L412" class="LineNr">412 </span><span class="CommentedCode">//? cerr &lt;&lt; &quot;screen width: &quot; &lt;&lt; screen_width &lt;&lt; '\n';</span> <span id="L413" class="LineNr">413 </span> <span class="Normal">int</span> screen_height_location = <a href='042name.cc.html#L148'>find_element_location</a><span class="Delimiter">(</span>screen_location<span class="Delimiter">,</span> <span class="Constant">&quot;num-rows&quot;</span><span class="Delimiter">,</span> screen<span class="Delimiter">.</span>type<span class="Delimiter">,</span> <span class="Constant">&quot;check_screen&quot;</span><span class="Delimiter">);</span> <span id="L414" class="LineNr">414 </span><span class="CommentedCode">//? cerr &lt;&lt; &quot;screen height is at location &quot; &lt;&lt; screen_height_location &lt;&lt; '\n';</span> <span id="L415" class="LineNr">415 </span> <span class="Normal">int</span> screen_height = <a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> screen_height_location<span class="Delimiter">);</span> <span id="L416" class="LineNr">416 </span><span class="CommentedCode">//? cerr &lt;&lt; &quot;screen height: &quot; &lt;&lt; screen_height &lt;&lt; '\n';</span> <span id="L417" class="LineNr">417 </span> <span class="Normal">int</span> top_index_location= <a href='042name.cc.html#L148'>find_element_location</a><span class="Delimiter">(</span>screen_location<span class="Delimiter">,</span> <span class="Constant">&quot;top-idx&quot;</span><span class="Delimiter">,</span> screen<span class="Delimiter">.</span>type<span class="Delimiter">,</span> <span class="Constant">&quot;check_screen&quot;</span><span class="Delimiter">);</span> <span id="L418" class="LineNr">418 </span><span class="CommentedCode">//? cerr &lt;&lt; &quot;top of screen is at location &quot; &lt;&lt; top_index_location &lt;&lt; '\n';</span> <span id="L419" class="LineNr">419 </span> <span class="Normal">int</span> top_index = <a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> top_index_location<span class="Delimiter">);</span> <span id="L420" class="LineNr">420 </span><span class="CommentedCode">//? cerr &lt;&lt; &quot;top of screen is index &quot; &lt;&lt; top_index &lt;&lt; '\n';</span> <span id="L421" class="LineNr">421 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i=<span class="Constant">0</span><span class="Delimiter">,</span> row=top_index/screen_width<span class="Delimiter">;</span> i &lt; screen_height<span class="Delimiter">;</span> ++i<span class="Delimiter">,</span> row=<span class="Delimiter">(</span>row+<span class="Constant">1</span><span class="Delimiter">)</span>%screen_height<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L422" class="LineNr">422 </span> cerr &lt;&lt; <span class="Constant">'.'</span><span class="Delimiter">;</span> <span id="L423" class="LineNr">423 </span> <span class="Normal">int</span> curr = screen_data_start+<span class="Comment">/*</span><span class="Comment">length</span><span class="Comment">*/</span><span class="Constant">1</span>+row*screen_width* <span class="Comment">/*</span><span class="Comment">size of screen-cell</span><span class="Comment">*/</span><span class="Constant">2</span><span class="Delimiter">;</span> <span id="L424" class="LineNr">424 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> col = <span class="Constant">0</span><span class="Delimiter">;</span> col &lt; screen_width<span class="Delimiter">;</span> ++col<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L425" class="LineNr">425 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr<span class="Delimiter">))</span> <span id="L426" class="LineNr">426 </span> cerr &lt;&lt; to_unicode<span class="Delimiter">(</span><span class="Normal">static_cast</span>&lt;<span class="Normal">uint32_t</span>&gt;<span class="Delimiter">(</span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr<span class="Delimiter">)));</span> <span id="L427" class="LineNr">427 </span> <span class="Normal">else</span> <span id="L428" class="LineNr">428 </span> cerr &lt;&lt; <span class="Constant">' '</span><span class="Delimiter">;</span> <span id="L429" class="LineNr">429 </span> curr += <span class="Comment">/*</span><span class="Comment">size of screen-cell</span><span class="Comment">*/</span><span class="Constant">2</span><span class="Delimiter">;</span> <span id="L430" class="LineNr">430 </span> <span class="Delimiter">}</span> <span id="L431" class="LineNr">431 </span> cerr &lt;&lt; <span class="Constant">&quot;.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span> <span id="L432" class="LineNr">432 </span> <span class="Delimiter">}</span> <span id="L433" class="LineNr">433 </span><span class="Delimiter">}</span> </pre> </body> </html> <!-- vim: set foldmethod=manual : -->