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//: So far we've been calling a fixed recipe in each instruction, but we'd
//: also like to make the recipe a variable, pass recipes to "higher-order"
//: recipes, return recipes from recipes and so on.
//:
//: todo: support storing shape-shifting recipes into recipe variables and calling them

:(scenario call_literal_recipe)
def main [
  1:number <- call f, 34
]
def f x:number -> y:number [
  local-scope
  load-ingredients
  y <- copy x
]
+mem: storing 34 in location 1

:(scenario call_variable)
def main [
  {1: (recipe number -> number)} <- copy f
  2:number <- call {1: (recipe number -> number)}, 34
]
def f x:number -> y:number [
  local-scope
  load-ingredients
  y <- copy x
]
+mem: storing 34 in location 2

:(before "End Mu Types Initialization")
put(Type_ordinal, "recipe-literal", 0);
// 'recipe' variables can store recipe-literal
type_ordinal recipe = put(Type_ordinal, "recipe", Next_type_ordinal++);
get_or_insert(Type, recipe).name = "recipe";

:(before "End Null-type is_disqualified Exceptions")
if (!x.type && contains_key(Recipe_ordinal, x.name)) {
  x.type = new type_tree("recipe-literal", get(Type_ordinal, "recipe-literal"));
  x.set_value(get(Recipe_ordinal, x.name));
  return true;
}

:(before "End Primitive Recipe Declarations")
CALL,
:(before "End Primitive Recipe Numbers")
put(Recipe_ordinal, "call", CALL);
:(before "End Primitive Recipe Checks")
case CALL: {
  if (inst.ingredients.empty()) {
    raise << maybe(get(Recipe, r).name) << "'call' requires at least one ingredient (the recipe to call)\n" << end();
    break;
  }
  if (!is_mu_recipe(inst.ingredients.at(0))) {
    raise << maybe(get(Recipe, r).name) << "first ingredient of 'call' should be a recipe, but got " << inst.ingredients.at(0).original_string << '\n' << end();
    break;
  }
  break;
}
:(before "End Primitive Recipe Implementations")
case CALL: {
  // Begin Call
  if (Trace_stream) {
    ++Trace_stream->callstack_depth;
    trace("trace") << "indirect 'call': incrementing callstack depth to " << Trace_stream->callstack_depth << end();
    assert(Trace_stream->callstack_depth < 9000);  // 9998-101 plus cushion
  }
  const instruction& caller_instruction = current_instruction();
  Current_routine->calls.push_front(call(ingredients.at(0).at(0)));
  ingredients.erase(ingredients.begin());  // drop the callee
  finish_call_housekeeping(caller_instruction, ingredients);
  continue;
}

//:: check types for 'call' instructions

:(scenario call_check_literal_recipe)
% Hide_errors = true;
def main [
  1:number <- call f, 34
]
def f x:point -> y:point [
  local-scope
  load-ingredients
  y <- copy x
]
+error: main: ingredient 0 has the wrong type at '1:number <- call f, 34'
+error: main: product 0 has the wrong type at '1:number <- call f, 34'

:(scenario call_check_variable_recipe)
% Hide_errors = true;
def main [
  {1: (recipe point -> point)} <- copy f
  2:number <- call {1: (recipe point -> point)}, 34
]
def f x:point -> y:point [
  local-scope
  load-ingredients
  y <- copy x
]
+error: main: ingredient 0 has the wrong type at '2:number <- call {1: (recipe point -> point)}, 34'
+error: main: product 0 has the wrong type at '2:number <- call {1: (recipe point -> point)}, 34'

:(after "Transform.push_back(check_instruction)")
Transform.push_back(check_indirect_calls_against_header);  // idempotent
:(code)
void check_indirect_calls_against_header(const recipe_ordinal r) {
  trace(9991, "transform") << "--- type-check 'call' instructions inside recipe " << get(Recipe, r).name << end();
  const recipe& caller = get(Recipe, r);
  for (int i = 0; i < SIZE(caller.steps); ++i) {
    const instruction& inst = caller.steps.at(i);
    if (inst.operation != CALL) continue;
    if (inst.ingredients.empty()) continue;  // error raised above
    const reagent& callee = inst.ingredients.at(0);
    if (!is_mu_recipe(callee)) continue;  // error raised above
    const recipe callee_header = is_literal(callee) ? get(Recipe, callee.value) : from_reagent(inst.ingredients.at(0));
    if (!callee_header.has_header) continue;
    for (long int i = /*skip callee*/1; i < min(SIZE(inst.ingredients), SIZE(callee_header.ingredients)+/*skip callee*/1);
/*
 * window_list.h
 *
 * Copyright (C) 2012 - 2019 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 <https://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_WINDOW_LIST_H
#define UI_WINDOW_LIST_H

#include "ui/ui.h"

void wins_init(void);

ProfWin* wins_new_xmlconsole(void);
ProfWin* wins_new_chat(const char *const barejid);
ProfWin* wins_new_muc(const char *const roomjid);
ProfWin* wins_new_config(const char *const roomjid, DataForm *form, ProfConfWinCallback submit, ProfConfWinCallback cancel, const void *userdata);
ProfWin* wins_new_private(const char *const fulljid);
ProfWin* wins_new_plugin(const char *const plugin_name, const char *const tag);

gboolean wins_chat_exists(const char *const barejid);
GList* wins_get_private_chats(const char *const roomjid);
void wins_private_nick_change(const char *const roomjid, const char *const oldnick, const char *const newnick);
void wins_change_nick(const char *const barejid, const char *const oldnick, const char *const newnick);
void wins_remove_nick(const char *const barejid, const char *const oldnick);

ProfWin* wins_get_console(void);
ProfChatWin* wins_get_chat(const char *const barejid);
GList* wins_get_chat_unsubscribed(void);
ProfMucWin* wins_get_muc(const char *const roomjid);
ProfConfWin* wins_get_conf(const char *const roomjid);
ProfPrivateWin* wins_get_private(const char *const fulljid);
ProfPluginWin* wins_get_plugin(const char *const tag);
ProfXMLWin* wins_get_xmlconsole(void);

void wins_close_plugin(char *tag);

ProfWin* wins_get_current(void);

void wins_set_current_by_num(int i);

ProfWin* wins_get_by_num(int i);
ProfWin* wins_get_by_string(const char *str);

ProfWin* wins_get_next(void);
ProfWin* wins_get_previous(void);
ProfWin* wins_get_next_unread(void);
int wins_get_num(ProfWin *window);
int wins_get_current_num(void);
void wins_close_current(void);
void wins_close_by_num(int i);
gboolean wins_is_current(ProfWin *window);
gboolean wins_do_notify_remind(void);
int wins_get_total_unread(void);
void wins_resize_all(void);
GSList* wins_get_chat_recipients(void);
GSList* wins_get_prune_wins(void);
void wins_lost_connection(void);
void wins_reestablished_connection(void);
gboolean wins_tidy(void);
GSList* wins_create_summary(gboolean unread);
void wins_destroy(void);
GList* wins_get_nums(void);
void wins_swap(int source_win, int target_win);
void wins_hide_subwin(ProfWin *window);
void wins_show_subwin(ProfWin *window);

char* win_autocomplete(const char *const search_str, gboolean previous);
void win_reset_search_attempts(void);
char* win_close_autocomplete(const char *const search_str, gboolean previous);
void win_close_reset_search_attempts(void);

#endif