doc/pydoc/ranger.gui.bar.html


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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html><head><title>Python: module ranger.gui.bar</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head><body bgcolor="#f0f0f8">

<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="heading">
<tr bgcolor="#7799ee">
<td valign=bottom>&nbsp;<br>
<font color="#ffffff" face="helvetica, arial">&nbsp;<br><big><big><strong><a href="ranger.html"><font color="#ffffff">ranger</font></a>.<a href="ranger.gui.html"><font color="#ffffff">gui</font></a>.bar</strong></big></big></font></td
><td align=right valign=bottom
><font color="#ffffff" face="helvetica, arial"><a href=".">index</a><br><a href="file:/home/hut/code/ranger/ranger/gui/bar.py">/home/hut/code/ranger/ranger/gui/bar.py</a></font></td></tr></table>
    <p><tt>#&nbsp;Copyright&nbsp;(C)&nbsp;2009,&nbsp;2010&nbsp;&nbsp;Roman&nbsp;Zimbelmann&nbsp;&lt;romanz@lavabit.com&gt;<br>
#<br>
#&nbsp;This&nbsp;program&nbsp;is&nbsp;free&nbsp;software:&nbsp;you&nbsp;can&nbsp;redistribute&nbsp;it&nbsp;and/or&nbsp;modify<br>
#&nbsp;it&nbsp;under&nbsp;the&nbsp;terms&nbsp;of&nbsp;the&nbsp;GNU&nbsp;General&nbsp;Public&nbsp;License&nbsp;as&nbsp;published&nbsp;by<br>
#&nbsp;the&nbsp;Free&nbsp;Software&nbsp;Foundation,&nbsp;either&nbsp;version&nbsp;3&nbsp;of&nbsp;the&nbsp;License,&nbsp;or<br>
#&nbsp;(at&nbsp;your&nbsp;option)&nbsp;any&nbsp;later&nbsp;version.<br>
#<br>
#&nbsp;This&nbsp;program&nbsp;is&nbsp;distributed&nbsp;in&nbsp;the&nbsp;hope&nbsp;that&nbsp;it&nbsp;will&nbsp;be&nbsp;useful,<br>
#&nbsp;but&nbsp;WITHOUT&nbsp;ANY&nbsp;WARRANTY;&nbsp;without&nbsp;even&nbsp;the&nbsp;implied&nbsp;warranty&nbsp;of<br>
#&nbsp;MERCHANTABILITY&nbsp;or&nbsp;FITNESS&nbsp;FOR&nbsp;A&nbsp;PARTICULAR&nbsp;PURPOSE.&nbsp;&nbsp;See&nbsp;the<br>
#&nbsp;GNU&nbsp;General&nbsp;Public&nbsp;License&nbsp;for&nbsp;more&nbsp;details.<br>
#<br>
#&nbsp;You&nbsp;should&nbsp;have&nbsp;received&nbsp;a&nbsp;copy&nbsp;of&nbsp;the&nbsp;GNU&nbsp;General&nbsp;Public&nbsp;License<br>
#&nbsp;along&nbsp;with&nbsp;this&nbsp;program.&nbsp;&nbsp;If&nbsp;not,&nbsp;see&nbsp;&lt;<a href="http://www.gnu.org/licenses/">http://www.gnu.org/licenses/</a>&gt;.</tt></p>
<p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#ee77aa">
<td colspan=3 valign=bottom>&nbsp;<br>
<font color="#ffffff" face="helvetica, arial"><big><strong>Classes</strong></big></font></td></tr>
    
<tr><td bgcolor="#ee77aa"><tt>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</tt></td><td>&nbsp;</td>
<td width="100%"><dl>
<dt><font face="helvetica, arial"><a href="builtins.html#list">builtins.list</a>(<a href="builtins.html#object">builtins.object</a>)
</font></dt><dd>
<dl>
<dt><font face="helvetica, arial"><a href="ranger.gui.bar.html#BarSide">BarSide</a>
</font></dt></dl>
</dd>
<dt><font face="helvetica, arial"><a href="builtins.html#object">builtins.object</a>
</font></dt><dd>
<dl>
<dt><font face="helvetica, arial"><a href="ranger.gui.bar.html#Bar">Bar</a>
</font></dt><dt><font face="helvetica, arial"><a href="ranger.gui.bar.html#ColoredString">ColoredString</a>
</font></dt></dl>
</dd>
</dl>
 <p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#ffc8d8">
<td colspan=3 valign=bottom>&nbsp;<br>
<font color="#000000" face="helvetica, arial"><a name="Bar">class <strong>Bar</strong></a>(<a href="builtins.html#object">builtins.object</a>)</font></td></tr>
    
<tr><td bgcolor="#ffc8d8"><tt>&nbsp;&nbsp;&nbsp;</tt></td><td>&nbsp;</td>
<td width="100%">Methods defined here:<br>
<dl><dt><a name="Bar-__init__"><strong>__init__</strong></a>(self, base_color_tag)</dt></dl>

<dl><dt><a name="Bar-add"><strong>add</strong></a>(self, *a, **kw)</dt></dl>

<dl><dt><a name="Bar-addright"><strong>addright</strong></a>(self, *a, **kw)</dt></dl>

<dl><dt><a name="Bar-combine"><strong>combine</strong></a>(self)</dt></dl>

<dl><dt><a name="Bar-fill_gap"><strong>fill_gap</strong></a>(self, char, wid, gapwidth<font color="#909090">=False</font>)</dt></dl>

<dl><dt><a name="Bar-fixedsize"><strong>fixedsize</strong></a>(self)</dt></dl>

<dl><dt><a name="Bar-shrink_by_cutting"><strong>shrink_by_cutting</strong></a>(self, wid)</dt></dl>

<dl><dt><a name="Bar-shrink_by_removing"><strong>shrink_by_removing</strong></a>(self, wid)</dt></dl>

<dl><dt><a name="Bar-sumsize"><strong>sumsize</strong></a>(self)</dt></dl>

<hr>
Data descriptors defined here:<br>
<dl><dt><strong>__dict__</strong></dt>
<dd><tt>dictionary&nbsp;for&nbsp;instance&nbsp;variables&nbsp;(if&nbsp;defined)</tt></dd>
</dl>
<dl><dt><strong>__weakref__</strong></dt>
<dd><tt>list&nbsp;of&nbsp;weak&nbsp;references&nbsp;to&nbsp;the&nbsp;object&nbsp;(if&nbsp;defined)</tt></dd>
</dl>
<hr>
Data and other attributes defined here:<br>
<dl><dt><strong>gap</strong> = None</dl>

<dl><dt><strong>left</strong> = None</dl>

<dl><dt><strong>right</strong> = None</dl>

</td></tr></table> <p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#ffc8d8">
<td colspan=3 valign=bottom>&nbsp;<br>
<font color="#000000" face="helvetica, arial"><a name="BarSide">class <strong>BarSide</strong></a>(<a href="builtins.html#list">builtins.list</a>)</font></td></tr>
    
<tr><td bgcolor="#ffc8d8"><tt>&nbsp;&nbsp;&nbsp;</tt></td><td>&nbsp;</td>
<td width="100%"><dl><dt>Method resolution order:</dt>
<dd><a href="ranger.gui.bar.html#BarSide">BarSide</a></dd>
<dd><a href="builtins.html#list">builtins.list</a></dd>
<dd><a href="builtins.html#object">builtins.object</a></dd>
</dl>
<hr>
Methods defined here:<br>
<dl><dt><a name="BarSide-__init__"><strong>__init__</strong></a>(self, base_color_tag)</dt></dl>

<dl><dt><a name="BarSide-add"><strong>add</strong></a>(self, string, *lst, **kw)</dt></dl>

<dl><dt><a name="BarSide-add_space"><strong>add_space</strong></a>(self, n<font color="#909090">=1</font>)</dt></dl>

<dl><dt><a name="BarSide-fixedsize"><strong>fixedsize</strong></a>(self)</dt></dl>

<dl><dt><a name="BarSide-nonfixed_items"><strong>nonfixed_items</strong></a>(self)</dt></dl>

<dl><dt><a name="BarSide-sumsize"><strong>sumsize</strong></a>(self)</dt></dl>

<hr>
Data descriptors defined here:<br>
<dl><dt><strong>__dict__</strong></dt>
<dd><tt>dictionary&nbsp;for&nbsp;instance&nbsp;variables&nbsp;(if&nbsp;defined)</tt></dd>
</dl>
<dl><dt><strong>__weakref__</strong></dt>
<dd><tt>list&nbsp;of&nbsp;weak&nbsp;references&nbsp;to&nbsp;the&nbsp;object&nbsp;(if&nbsp;defined)</tt></dd>
</dl>
<hr>
Methods inherited from <a href="builtins.html#list">builtins.list</a>:<br>
<dl><dt><a name="BarSide-__add__"><strong>__add__</strong></a>(...)</dt><dd><tt>x.<a href="#BarSide-__add__">__add__</a>(y)&nbsp;&lt;==&gt;&nbsp;x+y</tt></dd></dl>

<dl><dt><a name="BarSide-__contains__"><strong>__contains__</strong></a>(...)</dt><dd><tt>x.<a href="#BarSide-__contains__">__contains__</a>(y)&nbsp;&lt;==&gt;&nbsp;y&nbsp;in&nbsp;x</tt></dd></dl>

<dl><dt><a name="BarSide-__delitem__"><strong>__delitem__</strong></a>(...)</dt><dd><tt>x.<a href="#BarSide-__delitem__">__delitem__</a>(y)&nbsp;&lt;==&gt;&nbsp;del&nbsp;x[y]</tt></dd></dl>

<dl><dt><a name="BarSide-__eq__"><strong>__eq__</strong></a>(...)</dt><dd><tt>x.<a href="#BarSide-__eq__">__eq__</a>(y)&nbsp;&lt;==&gt;&nbsp;x==y</tt></dd></dl>

<dl><dt><a name="BarSide-__ge__"><strong>__ge__</strong></a>(...)</dt><dd><tt>x.<a href="#BarSide-__ge__">__ge__</a>(y)&nbsp;&lt;==&gt;&nbsp;x&gt;=y</tt></dd></dl>

<dl><dt><a name="BarSide-__getattribute__"><strong>__getattribute__</strong></a>(...)</dt><dd><tt>x.<a href="#BarSide-__getattribute__">__getattribute__</a>('name')&nbsp;&lt;==&gt;&nbsp;x.name</tt></dd></dl>

<dl><dt><a name="BarSide-__getitem__"><strong>__getitem__</strong></a>(...)</dt><dd><tt>x.<a href="#BarSide-__getitem__">__getitem__</a>(y)&nbsp;&lt;==&gt;&nbsp;x[y]</tt></dd></dl>

<dl><dt><a name="BarSide-__gt__"><strong>__gt__</strong></a>(...)</dt><dd><tt>x.<a href="#BarSide-__gt__">__gt__</a>(y)&nbsp;&lt;==&gt;&nbsp;x&gt;y</tt></dd></dl>

<dl><dt><a name="BarSide-__iadd__"><strong>__iadd__</strong></a>(...)</dt><dd><tt>x.<a href="#BarSide-__iadd__">__iadd__</a>(y)&nbsp;&lt;==&gt;&nbsp;x+=y</tt></dd></dl>

<dl><dt><a name="BarSide-__imul__"><strong>__imul__</strong></a>(...)</dt><dd><tt>x.<a href="#BarSide-__imul__">__imul__</a>(y)&nbsp;&lt;==&gt;&nbsp;x*=y</tt></dd></dl>

<dl><dt><a name="BarSide-__iter__"><strong>__iter__</strong></a>(...)</dt><dd><tt>x.<a href="#BarSide-__iter__">__iter__</a>()&nbsp;&lt;==&gt;&nbsp;iter(x)</tt></dd></dl>

<dl><dt><a name="BarSide-__le__"><strong>__le__</strong></a>(...)</dt><dd><tt>x.<a href="#BarSide-__le__">__le__</a>(y)&nbsp;&lt;==&gt;&nbsp;x&lt;=y</tt></dd></dl>

<dl><dt><a name="BarSide-__len__"><strong>__len__</strong></a>(...)</dt><dd><tt>x.<a href="#BarSide-__len__">__len__</a>()&nbsp;&lt;==&gt;&nbsp;len(x)</tt></dd></dl>

<dl><dt><a name="BarSide-__lt__"><strong>__lt__</strong></a>(...)</dt><dd><tt>x.<a href="#BarSide-__lt__">__lt__</a>(y)&nbsp;&lt;==&gt;&nbsp;x&lt;y</tt></dd></dl>

<dl><dt><a name="BarSide-__mul__"><strong>__mul__</strong></a>(...)</dt><dd><tt>x.<a href="#BarSide-__mul__">__mul__</a>(n)&nbsp;&lt;==&gt;&nbsp;x*n</tt></dd></dl>

<dl><dt><a name="BarSide-__ne__"><strong>__ne__</strong></a>(...)</dt><dd><tt>x.<a href="#BarSide-__ne__">__ne__</a>(y)&nbsp;&lt;==&gt;&nbsp;x!=y</tt></dd></dl>

<dl><dt><a name="BarSide-__repr__"><strong>__repr__</strong></a>(...)</dt><dd><tt>x.<a href="#BarSide-__repr__">__repr__</a>()&nbsp;&lt;==&gt;&nbsp;repr(x)</tt></dd></dl>

<dl><dt><a name="BarSide-__reversed__"><strong>__reversed__</strong></a>(...)</dt><dd><tt>L.<a href="#BarSide-__reversed__">__reversed__</a>()&nbsp;--&nbsp;return&nbsp;a&nbsp;reverse&nbsp;iterator&nbsp;over&nbsp;the&nbsp;<a href="builtins.html#list">list</a></tt></dd></dl>

<dl><dt><a name="BarSide-__rmul__"><strong>__rmul__</strong></a>(...)</dt><dd><tt>x.<a href="#BarSide-__rmul__">__rmul__</a>(n)&nbsp;&lt;==&gt;&nbsp;n*x</tt></dd></dl>

<dl><dt><a name="BarSide-__setitem__"><strong>__setitem__</strong></a>(...)</dt><dd><tt>x.<a href="#BarSide-__setitem__">__setitem__</a>(i,&nbsp;y)&nbsp;&lt;==&gt;&nbsp;x[i]=y</tt></dd></dl>

<dl><dt><a name="BarSide-__sizeof__"><strong>__sizeof__</strong></a>(...)</dt><dd><tt>L.<a href="#BarSide-__sizeof__">__sizeof__</a>()&nbsp;--&nbsp;size&nbsp;of&nbsp;L&nbsp;in&nbsp;memory,&nbsp;in&nbsp;bytes</tt></dd></dl>

<dl><dt><a name="BarSide-append"><strong>append</strong></a>(...)</dt><dd><tt>L.<a href="#BarSide-append">append</a>(<a href="builtins.html#object">object</a>)&nbsp;--&nbsp;append&nbsp;<a href="builtins.html#object">object</a>&nbsp;to&nbsp;end</tt></dd></dl>

<dl><dt><a name="BarSide-count"><strong>count</strong></a>(...)</dt><dd><tt>L.<a href="#BarSide-count">count</a>(value)&nbsp;-&gt;&nbsp;integer&nbsp;--&nbsp;return&nbsp;number&nbsp;of&nbsp;occurrences&nbsp;of&nbsp;value</tt></dd></dl>

<dl><dt><a name="BarSide-extend"><strong>extend</strong></a>(...)</dt><dd><tt>L.<a href="#BarSide-extend">extend</a>(iterable)&nbsp;--&nbsp;extend&nbsp;<a href="builtins.html#list">list</a>&nbsp;by&nbsp;appending&nbsp;elements&nbsp;from&nbsp;the&nbsp;iterable</tt></dd></dl>

<dl><dt><a name="BarSide-index"><strong>index</strong></a>(...)</dt><dd><tt>L.<a href="#BarSide-index">index</a>(value,&nbsp;[start,&nbsp;[stop]])&nbsp;-&gt;&nbsp;integer&nbsp;--&nbsp;return&nbsp;first&nbsp;index&nbsp;of&nbsp;value.<br>
Raises&nbsp;ValueError&nbsp;if&nbsp;the&nbsp;value&nbsp;is&nbsp;not&nbsp;present.</tt></dd></dl>

<dl><dt><a name="BarSide-insert"><strong>insert</strong></a>(...)</dt><dd><tt>L.<a href="#BarSide-insert">insert</a>(index,&nbsp;<a href="builtins.html#object">object</a>)&nbsp;--&nbsp;insert&nbsp;<a href="builtins.html#object">object</a>&nbsp;before&nbsp;index</tt></dd></dl>

<dl><dt><a name="BarSide-pop"><strong>pop</strong></a>(...)</dt><dd><tt>L.<a href="#BarSide-pop">pop</a>([index])&nbsp;-&gt;&nbsp;item&nbsp;--&nbsp;remove&nbsp;and&nbsp;return&nbsp;item&nbsp;at&nbsp;index&nbsp;(default&nbsp;last).<br>
Raises&nbsp;IndexError&nbsp;if&nbsp;<a href="builtins.html#list">list</a>&nbsp;is&nbsp;empty&nbsp;or&nbsp;index&nbsp;is&nbsp;out&nbsp;of&nbsp;range.</tt></dd></dl>

<dl><dt><a name="BarSide-remove"><strong>remove</strong></a>(...)</dt><dd><tt>L.<a href="#BarSide-remove">remove</a>(value)&nbsp;--&nbsp;remove&nbsp;first&nbsp;occurrence&nbsp;of&nbsp;value.<br>
Raises&nbsp;ValueError&nbsp;if&nbsp;the&nbsp;value&nbsp;is&nbsp;not&nbsp;present.</tt></dd></dl>

<dl><dt><a name="BarSide-reverse"><strong>reverse</strong></a>(...)</dt><dd><tt>L.<a href="#BarSide-reverse">reverse</a>()&nbsp;--&nbsp;reverse&nbsp;*IN&nbsp;PLACE*</tt></dd></dl>

<dl><dt><a name="BarSide-sort"><strong>sort</strong></a>(...)</dt><dd><tt>L.<a href="#BarSide-sort">sort</a>(key=None,&nbsp;reverse=False)&nbsp;--&nbsp;stable&nbsp;sort&nbsp;*IN&nbsp;PLACE*</tt></dd></dl>

<hr>
Data and other attributes inherited from <a href="builtins.html#list">builtins.list</a>:<br>
<dl><dt><strong>__hash__</strong> = None</dl>

<dl><dt><strong>__new__</strong> = &lt;built-in method __new__ of type object&gt;<dd><tt>T.<a href="#BarSide-__new__">__new__</a>(S,&nbsp;...)&nbsp;-&gt;&nbsp;a&nbsp;new&nbsp;<a href="builtins.html#object">object</a>&nbsp;with&nbsp;type&nbsp;S,&nbsp;a&nbsp;subtype&nbsp;of&nbsp;T</tt></dl>

</td></tr></table> <p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#ffc8d8">
<td colspan=3 valign=bottom>&nbsp;<br>
<font color="#000000" face="helvetica, arial"><a name="ColoredString">class <strong>ColoredString</strong></a>(<a href="builtins.html#object">builtins.object</a>)</font></td></tr>
    
<tr><td bgcolor="#ffc8d8"><tt>&nbsp;&nbsp;&nbsp;</tt></td><td>&nbsp;</td>
<td width="100%">Methods defined here:<br>
<dl><dt><a name="ColoredString-__init__"><strong>__init__</strong></a>(self, string, *lst)</dt></dl>

<dl><dt><a name="ColoredString-__len__"><strong>__len__</strong></a>(self)</dt></dl>

<dl><dt><a name="ColoredString-__str__"><strong>__str__</strong></a>(self)</dt></dl>

<dl><dt><a name="ColoredString-cut_off"><strong>cut_off</strong></a>(self, n)</dt></dl>

<dl><dt><a name="ColoredString-cut_off_to"><strong>cut_off_to</strong></a>(self, n)</dt></dl>

<hr>
Data descriptors defined here:<br>
<dl><dt><strong>__dict__</strong></dt>
<dd><tt>dictionary&nbsp;for&nbsp;instance&nbsp;variables&nbsp;(if&nbsp;defined)</tt></dd>
</dl>
<dl><dt><strong>__weakref__</strong></dt>
<dd><tt>list&nbsp;of&nbsp;weak&nbsp;references&nbsp;to&nbsp;the&nbsp;object&nbsp;(if&nbsp;defined)</tt></dd>
</dl>
</td></tr></table></td></tr></table>
</body></html>
//: 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.

void test_call_literal_recipe() {
  run(
      "def main [\n"
      "  1:num <- call f, 34\n"
      "]\n"
      "def f x:num -> y:num [\n"
      "  local-scope\n"
      "  load-ingredients\n"
      "  y <- copy x\n"
      "]\n"
  );
  CHECK_TRACE_CONTENTS(
      "mem: storing 34 in location 1\n"
  );
}

:(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";

:(after "Deduce Missing Type(x, caller)")
if (!x.type)
  try_initialize_recipe_literal(x, caller);
:(before "Type Check in Type-ingredient-aware check_or_set_types_by_name")
if (!x.type)
  try_initialize_recipe_literal(x, variant);
:(code)
void try_initialize_recipe_literal(reagent& x, const recipe& caller) {
  if (x.type) return;
  if (!contains_key(Recipe_ordinal, x.name)) return;
  if (contains_reagent_with_non_recipe_literal_type(caller, x.name)) return;
  x.type = new type_tree("recipe-literal");
  x.set_value(get(Recipe_ordinal, x.name));
}
bool contains_reagent_with_non_recipe_literal_type(const recipe& caller, const string& name) {
  for (int i = 0;  i < SIZE(caller.steps);  ++i) {
    const instruction& inst = caller.steps.at(i);
    for (int i = 0;  i < SIZE(inst.ingredients);  ++i)
      if (is_matching_non_recipe_literal(inst.ingredients.at(i), name)) return true;
    for (int i = 0;  i < SIZE(inst.products);  ++i)
      if (is_matching_non_recipe_literal(inst.products.at(i), name)) return true;
  }
  return false;
}
bool is_matching_non_recipe_literal(const reagent& x, const string& name) {
  if (x.name != name) return false;
  if (!x.type) return false;
  return !x.type->atom || x.type->name != "recipe-literal";
}

//: It's confusing to use variable names that are also recipe names. Always
//: assume variable types override recipe literals.
void test_error_on_recipe_literal_used_as_a_variable() {
  Hide_errors = true;
  run(
      "def main [\n"
      "  local-scope\n"
      "  a:bool <- equal break 0\n"
      "  break:bool <- copy 0\n"
      "]\n"
  );
  CHECK_TRACE_CONTENTS(
      "error: main: missing type for 'break' in 'a:bool <- equal break, 0'\n"
  );
}

:(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
  trace(Callstack_depth+1, "trace") << "indirect 'call': incrementing callstack depth to " << Callstack_depth << end();
  ++Callstack_depth;
  assert(Callstack_depth < Max_depth);
  if (!ingredients.at(0).at(0)) {
    raise << maybe(current_recipe_name()) << "tried to call empty recipe in '" << to_string(current_instruction()) << "'" << end();
    break;
  }
  const call& caller_frame = current_call();
  instruction/*copy*/ call_instruction = to_instruction(caller_frame);
  call_instruction.operation = ingredients.at(0).at(0);
  call_instruction.ingredients.erase(call_instruction.ingredients.begin());
  Current_routine->calls.push_front(call(ingredients.at(0).at(0)));
  ingredients.erase(ingredients.begin());  // drop the callee
  finish_call_housekeeping(call_instruction, ingredients);
  // not done with caller
  write_products = false;
  fall_through_to_next_instruction = false;
  break;
}

:(code)
void test_call_variable() {
  run(
      "def main [\n"
      "  {1: (recipe number -> number)} <- copy f\n"
      "  2:num <- call {1: (recipe number -> number)}, 34\n"
      "]\n"
      "def f x:num -> y:num [\n"
      "  local-scope\n"
      "  load-ingredients\n"
      "  y <- copy x\n"
      "]\n"
  );
  CHECK_TRACE_CONTENTS(
      "mem: storing 34 in location 2\n"
  );
}

void test_call_literal_recipe_repeatedly() {
  run(
      "def main [\n"
      "  1:num <- call f, 34\n"
      "  1:num <- call f, 35\n"
      "]\n"
      "def f x:num -> y:num [\n"
      "  local-scope\n"
      "  load-ingredients\n"
      "  y <- copy x\n"
      "]\n"
  );
  CHECK_TRACE_CONTENTS(
      "mem: storing 34 in location 1\n"
      "mem: storing 35 in location 1\n"
  );
}

void test_call_shape_shifting_recipe() {
  run(
      "def main [\n"
      "  1:num <- call f, 34\n"
      "]\n"
      "def f x:_elem -> y:_elem [\n"
      "  local-scope\n"
      "  load-ingredients\n"
      "  y <- copy x\n"
      "]\n"
  );
  CHECK_TRACE_CONTENTS(
      "mem: storing 34 in location 1\n"
  );
}

void test_call_shape_shifting_recipe_inside_shape_shifting_recipe() {
  run(
      "def main [\n"
      "  1:num <- f 34\n"
      "]\n"
      "def f x:_elem -> y:_elem [\n"
      "  local-scope\n"
      "  load-ingredients\n"
      "  y <- call g x\n"
      "]\n"
      "def g x:_elem -> y:_elem [\n"
      "  local-scope\n"
      "  load-ingredients\n"
      "  y <- copy x\n"
      "]\n"
  );
  CHECK_TRACE_CONTENTS(
      "mem: storing 34 in location 1\n"
  );
}

void test_call_shape_shifting_recipe_repeatedly_inside_shape_shifting_recipe() {
  run(
      "def main [\n"
      "  1:num <- f 34\n"
      "]\n"
      "def f x:_elem -> y:_elem [\n"
      "  local-scope\n"
      "  load-ingredients\n"
      "  y <- call g x\n"
      "  y <- call g x\n"
      "]\n"
      "def g x:_elem -> y:_elem [\n"
      "  local-scope\n"
      "  load-ingredients\n"
      "  y <- copy x\n"
      "]\n"
  );
  CHECK_TRACE_CONTENTS(
      "mem: storing 34 in location 1\n"
  );
}

//:: check types for 'call' instructions

void test_call_check_literal_recipe() {
  Hide_errors = true;
  run(
      "def main [\n"
      "  1:num <- call f, 34\n"
      "]\n"
      "def f x:point -> y:point [\n"
      "  local-scope\n"
      "  load-ingredients\n"
      "  y <- copy x\n"
      "]\n"
  );
  CHECK_TRACE_CONTENTS(
      "error: main: ingredient 0 has the wrong type at '1:num <- call f, 34'\n"
      "error: main: product 0 has the wrong type at '1:num <- call f, 34'\n"
  );
}

void test_call_check_variable_recipe() {
  Hide_errors = true;
  run(
      "def main [\n"
      "  {1: (recipe point -> point)} <- copy f\n"
      "  2:num <- call {1: (recipe point -> point)}, 34\n"
      "]\n"
      "def f x:point -> y:point [\n"
      "  local-scope\n"
      "  load-ingredients\n"
      "  y <- copy x\n"
      "]\n"
  );
  CHECK_TRACE_CONTENTS(
      "error: main: ingredient 0 has the wrong type at '2:num <- call {1: (recipe point -> point)}, 34'\n"
      "error: main: product 0 has the wrong type at '2:num <- call {1: (recipe point -> point)}, 34'\n"
  );
}

:(before "End resolve_ambiguous_call(r, index, inst, caller_recipe) Special-cases")
if (inst.name == "call" && !inst.ingredients.empty() && is_recipe_literal(inst.ingredients.at(0))) {
  resolve_indirect_ambiguous_call(r, index, inst, caller_recipe);
  return;
}
:(code)
bool is_recipe_literal(const reagent& x) {
  return x.type && x.type->atom && x.type->name == "recipe-literal";
}
void resolve_indirect_ambiguous_call(const recipe_ordinal r, int index, instruction& inst, const recipe& caller_recipe) {
  instruction inst2;
  inst2.name = inst.ingredients.at(0).name;
  for (int i = /*skip recipe*/1;  i < SIZE(inst.ingredients);  ++i)
    inst2.ingredients.push_back(inst.ingredients.at(i));
  for (int i = 0;  i < SIZE(inst.products);  ++i)
    inst2.products.push_back(inst.products.at(i));
  resolve_ambiguous_call(r, index, inst2, caller_recipe);
  inst.ingredients.at(0).name = inst2.name;
  inst.ingredients.at(0).set_value(get(Recipe_ordinal, inst2.name));
}

:(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(101, "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 (!is_indirect_call(inst.operation)) 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;
    if (is_indirect_call_with_ingredients(inst.operation)) {
      for (long int i = /*skip callee*/1;  i < min(SIZE(inst.ingredients), SIZE(callee_header.ingredients)+/*skip callee*/1);  ++i) {
        if (!types_coercible(callee_header.ingredients.at(i-/*skip callee*/1), inst.ingredients.at(i)))
          raise << maybe(caller.name) << "ingredient " << i-/*skip callee*/1 << " has the wrong type at '" << to_original_string(inst) << "'\n" << end();
      }
    }
    if (is_indirect_call_with_products(inst.operation)) {
      for (long int i = 0;  i < min(SIZE(inst.products), SIZE(callee_header.products));  ++i) {
        if (is_dummy(inst.products.at(i))) continue;
        if (!types_coercible(callee_header.products.at(i), inst.products.at(i)))
          raise << maybe(caller.name) << "product " << i << " has the wrong type at '" << to_original_string(inst) << "'\n" << end();
      }
    }
  }
}

bool is_indirect_call(const recipe_ordinal r) {
  return is_indirect_call_with_ingredients(r) || is_indirect_call_with_products(r);
}

bool is_indirect_call_with_ingredients(const recipe_ordinal r) {
  if (r == CALL) return true;
  // End is_indirect_call_with_ingredients Special-cases
  return false;
}
bool is_indirect_call_with_products(const recipe_ordinal r) {
  if (r == CALL) return true;
  // End is_indirect_call_with_products Special-cases
  return false;
}

recipe from_reagent(const reagent& r) {
  assert(r.type);
  recipe result_header;  // will contain only ingredients and products, nothing else
  result_header.has_header = true;
  // Begin Reagent->Recipe(r, recipe_header)
  if (r.type->atom) {
    assert(r.type->name == "recipe");
    return result_header;
  }
  const type_tree* root_type = r.type->atom ? r.type : r.type->left;
  assert(root_type->atom);
  assert(root_type->name == "recipe");
  const type_tree* curr = r.type->right;
  for (/*nada*/;  curr && !curr->atom;  curr = curr->right) {
    if (curr->left->atom && curr->left->name == "->") {
      curr = curr->right;  // skip delimiter
      goto read_products;
    }
    result_header.ingredients.push_back(next_recipe_reagent(curr->left));
  }
  if (curr) {
    assert(curr->atom);
    result_header.ingredients.push_back(next_recipe_reagent(curr));
    return result_header;  // no products
  }
  read_products:
  for (/*nada*/;  curr && !curr->atom;  curr = curr->right)
    result_header.products.push_back(next_recipe_reagent(curr->left));
  if (curr) {
    assert(curr->atom);
    result_header.products.push_back(next_recipe_reagent(curr));
  }
  return result_header;
}

:(before "End Unit Tests")
void test_from_reagent_atomic() {
  reagent a("{f: recipe}");
  recipe r_header = from_reagent(a);
  CHECK(r_header.ingredients.empty());
  CHECK(r_header.products.empty());
}
void test_from_reagent_non_atomic() {
  reagent a("{f: (recipe number -> number)}");
  recipe r_header = from_reagent(a);
  CHECK_EQ(SIZE(r_header.ingredients), 1);
  CHECK_EQ(SIZE(r_header.products), 1);
}
void test_from_reagent_reads_ingredient_at_end() {
  reagent a("{f: (recipe number number)}");
  recipe r_header = from_reagent(a);
  CHECK_EQ(SIZE(r_header.ingredients), 2);
  CHECK(r_header.products.empty());
}
void test_from_reagent_reads_sole_ingredient_at_end() {
  reagent a("{f: (recipe number)}");
  recipe r_header = from_reagent(a);
  CHECK_EQ(SIZE(r_header.ingredients), 1);
  CHECK(r_header.products.empty());
}

:(code)
reagent next_recipe_reagent(const type_tree* curr) {
  if (!curr->left) return reagent("recipe:"+curr->name);
  return reagent(new type_tree(*curr));
}

bool is_mu_recipe(const reagent& r) {
  if (!r.type) return false;
  if (r.type->atom) {
    // End is_mu_recipe Atom Cases(r)
    return r.type->name == "recipe-literal";
  }
  return r.type->left->atom && r.type->left->name == "recipe";
}

void test_copy_typecheck_recipe_variable() {
  Hide_errors = true;
  run(
      "def main [\n"
      "  3:num <- copy 34\n"
      "  {1: (recipe number -> number)} <- copy f\n"  // store literal in a matching variable
      "  {2: (recipe boolean -> boolean)} <- copy {1: (recipe number -> number)}\n"  // mismatch between recipe variables
      "]\n"
      "def f x:num -> y:num [\n"
      "  local-scope\n"
      "  load-ingredients\n"
      "  y <- copy x\n"
      "]\n"
  );
  CHECK_TRACE_CONTENTS(
      "error: main: can't copy '{1: (recipe number -> number)}' to '{2: (recipe boolean -> boolean)}'; types don't match\n"
  );
}

void test_copy_typecheck_recipe_variable_2() {
  Hide_errors = true;
  run(
      "def main [\n"
      "  {1: (recipe number -> number)} <- copy f\n"  // mismatch with a recipe literal
      "]\n"
      "def f x:bool -> y:bool [\n"
      "  local-scope\n"
      "  load-ingredients\n"
      "  y <- copy x\n"
      "]\n"
  );
  CHECK_TRACE_CONTENTS(
      "error: main: can't copy 'f' to '{1: (recipe number -> number)}'; types don't match\n"
  );
}

:(before "End Matching Types For Literal(to)")
if (is_mu_recipe(to)) {
  if (!contains_key(Recipe, from.value)) {
    raise << "trying to store recipe " << from.name << " into " << to_string(to) << " but there's no such recipe\n" << end();
    return false;
  }
  const recipe& rrhs = get(Recipe, from.value);
  const recipe& rlhs = from_reagent(to);
  for (long int i = 0;  i < min(SIZE(rlhs.ingredients), SIZE(rrhs.ingredients));  ++i) {
    if (!types_match(rlhs.ingredients.at(i), rrhs.ingredients.at(i)))
      return false;
  }
  for (long int i = 0;  i < min(SIZE(rlhs.products), SIZE(rrhs.products));  ++i) {
    if (!types_match(rlhs.products.at(i), rrhs.products.at(i)))
      return false;
  }
  return true;
}

:(code)
void test_call_variable_compound_ingredient() {
  run(
      "def main [\n"
      "  {1: (recipe (address number) -> number)} <- copy f\n"
      "  2:&:num <- copy null\n"
      "  3:num <- call {1: (recipe (address number) -> number)}, 2:&:num\n"
      "]\n"
      "def f x:&:num -> y:num [\n"
      "  local-scope\n"
      "  load-ingredients\n"
      "  y <- deaddress x\n"
      "]\n"
  );
  CHECK_TRACE_COUNT("error", 0);
}

//: make sure we don't accidentally break on a recipe literal
void test_jump_forbidden_on_recipe_literals() {
  Hide_errors = true;
  run(
      "def foo [\n"
      "  local-scope\n"
      "]\n"
      "def main [\n"
      "  local-scope\n"
      "  {\n"
      "    break-if foo\n"
      "  }\n"
      "]\n"
  );
  // error should be as if foo is not a recipe
  CHECK_TRACE_CONTENTS(
      "error: main: missing type for 'foo' in 'break-if foo'\n"
  );
}

:(before "End JUMP_IF Checks")
check_for_recipe_literals(inst, get(Recipe, r));
:(before "End JUMP_UNLESS Checks")
check_for_recipe_literals(inst, get(Recipe, r));
:(code)
void check_for_recipe_literals(const instruction& inst, const recipe& caller) {
  for (int i = 0;  i < SIZE(inst.ingredients);  ++i) {
    if (is_mu_recipe(inst.ingredients.at(i))) {
      raise << maybe(caller.name) << "missing type for '" << inst.ingredients.at(i).original_string << "' in '" << to_original_string(inst) << "'\n" << end();
      if (is_present_in_ingredients(caller, inst.ingredients.at(i).name))
        raise << "  did you forget 'load-ingredients'?\n" << end();
    }
  }
}

void test_load_ingredients_missing_error_3() {
  Hide_errors = true;
  run(
      "def foo {f: (recipe num -> num)} [\n"
      "  local-scope\n"
      "  b:num <- call f, 1\n"
      "]\n"
  );
  CHECK_TRACE_CONTENTS(
      "error: foo: missing type for 'f' in 'b:num <- call f, 1'\n"
      "error:   did you forget 'load-ingredients'?\n"
  );
}

:(before "End Mu Types Initialization")
put(Type_abbreviations, "function", new_type_tree("recipe"));
put(Type_abbreviations, "fn", new_type_tree("recipe"));

//: copying functions to variables

:(code)
void test_copy_recipe_to_variable() {
  run(
      "def main [\n"
      "  {1: (fn number -> number)} <- copy f\n"
      "  2:num <- call {1: (function number -> number)}, 34\n"
      "]\n"
      "def f x:num -> y:num [\n"
      "  local-scope\n"
      "  load-ingredients\n"
      "  y <- copy x\n"
      "]\n"
  );
  CHECK_TRACE_CONTENTS(
      "mem: storing 34 in location 2\n"
  );
}

void test_copy_overloaded_recipe_to_variable() {
  run(
      "def main [\n"
      "  local-scope\n"
      "  {x: (fn num -> num)} <- copy f\n"
      "  1:num/raw <- call x, 34\n"
      "]\n"
      // variant f
      "def f x:bool -> y:bool [\n"
      "  local-scope\n"
      "  load-ingredients\n"
      "  y <- copy x\n"
      "]\n"
      // variant f_2
      "def f x:num -> y:num [\n"
      "  local-scope\n"
      "  load-ingredients\n"
      "  y <- copy x\n"
      "]\n"
  );
  // x contains f_2
  CHECK_TRACE_CONTENTS(
      "mem: storing 34 in location 1\n"
  );
}

:(before "End resolve_ambiguous_call(r, index, inst, caller_recipe) Special-cases")
if (inst.name == "copy") {
  for (int i = 0;  i < SIZE(inst.ingredients);  ++i) {
    if (!is_recipe_literal(inst.ingredients.at(i))) continue;
    if (non_ghost_size(get_or_insert(Recipe_variants, inst.ingredients.at(i).name)) < 1) continue;
    // potentially overloaded recipe
    string new_name = resolve_ambiguous_call(inst.ingredients.at(i).name, inst.products.at(i), r, index, caller_recipe);
    if (new_name == "") continue;
    inst.ingredients.at(i).name = new_name;
    inst.ingredients.at(i).value = get(Recipe_ordinal, new_name);
  }
  return;
}
:(code)
string resolve_ambiguous_call(const string& recipe_name, const reagent& call_types, const recipe_ordinal r, int index, const recipe& caller_recipe) {
  instruction inst;
  inst.name = recipe_name;
  if (!is_mu_recipe(call_types)) return "";  // error raised elsewhere
  if (is_recipe_literal(call_types)) return "";  // error raised elsewhere
  construct_fake_call(call_types, inst);
  resolve_ambiguous_call(r, index, inst, caller_recipe);
  return inst.name;
}
void construct_fake_call(const reagent& recipe_var, instruction& out) {
  assert(recipe_var.type->left->name == "recipe");
  type_tree* stem = NULL;
  for (stem = recipe_var.type->right;  stem && stem->left->name != "->";  stem = stem->right)
    out.ingredients.push_back(copy(stem->left));
  if (stem == NULL) return;
  for (/*skip '->'*/stem = stem->right;  stem;  stem = stem->right)
    out.products.push_back(copy(stem->left));
}

void test_copy_shape_shifting_recipe_to_variable() {
  run(
      "def main [\n"
      "  local-scope\n"
      "  {x: (fn num -> num)} <- copy f\n"
      "  1:num/raw <- call x, 34\n"
      "]\n"
      "def f x:_elem -> y:_elem [\n"
      "  local-scope\n"
      "  load-inputs\n"
      "  y <- copy x\n"
      "]\n"
  );
  CHECK_TRACE_CONTENTS(
      "mem: storing 34 in location 1\n"
  );
}

//: passing function literals to (higher-order) functions

void test_pass_overloaded_recipe_literal_to_ingredient() {
  run(
      // like test_copy_overloaded_recipe_to_variable, except we bind 'x' in
      // the course of a 'call' rather than 'copy'
      "def main [\n"
      "  1:num <- g f\n"
      "]\n"
      "def g {x: (fn num -> num)} -> result:num [\n"
      "  local-scope\n"
      "  load-ingredients\n"
      "  result <- call x, 34\n"
      "]\n"
      // variant f
      "def f x:bool -> y:bool [\n"
      "  local-scope\n"
      "  load-ingredients\n"
      "  y <- copy x\n"
      "]\n"
      // variant f_2
      "def f x:num -> y:num [\n"
      "  local-scope\n"
      "  load-ingredients\n"
      "  y <- copy x\n"
      "]\n"
  );
  // x contains f_2
  CHECK_TRACE_CONTENTS(
      "mem: storing 34 in location 1\n"
  );
}

:(after "End resolve_ambiguous_call(r, index, inst, caller_recipe) Special-cases")
for (int i = 0;  i < SIZE(inst.ingredients);  ++i) {
  if (!is_mu_recipe(inst.ingredients.at(i))) continue;
  if (non_ghost_size(get_or_insert(Recipe_variants, inst.ingredients.at(i).name)) < 1) continue;
  if (get(Recipe_ordinal, inst.name) < MAX_PRIMITIVE_RECIPES) continue;
  if (non_ghost_size(get_or_insert(Recipe_variants, inst.name)) > 1) {
    raise << maybe(caller_recipe.name) << "sorry, we're not yet smart enough to simultaneously guess which overloads you want for '" << inst.name << "' and '" << inst.ingredients.at(i).name << "'\n" << end();
    return;
  }
  const recipe& callee = get(Recipe, get(Recipe_ordinal, inst.name));
  if (!callee.has_header) {
    raise << maybe(caller_recipe.name) << "sorry, we're not yet smart enough to guess which variant of '" << inst.ingredients.at(i).name << "' you want, when the caller '" << inst.name << "' doesn't have a header\n" << end();
    return;
  }
  string new_name = resolve_ambiguous_call(inst.ingredients.at(i).name, callee.ingredients.at(i), r, index, caller_recipe);
  if (new_name != "") {
    inst.ingredients.at(i).name = new_name;
    inst.ingredients.at(i).value = get(Recipe_ordinal, new_name);
  }
}

:(code)
void test_return_overloaded_recipe_literal_to_caller() {
  run(
      "def main [\n"
      "  local-scope\n"
      "  {x: (fn num -> num)} <- g\n"
      "  1:num/raw <- call x, 34\n"
      "]\n"
      "def g -> {x: (fn num -> num)} [\n"
      "  local-scope\n"
      "  return f\n"
      "]\n"
      // variant f
      "def f x:bool -> y:bool [\n"
      "  local-scope\n"
      "  load-ingredients\n"
      "  y <- copy x\n"
      "]\n"
      // variant f_2
      "def f x:num -> y:num [\n"
      "  local-scope\n"
      "  load-ingredients\n"
      "  y <- copy x\n"
      "]\n"
  );
  // x contains f_2
  CHECK_TRACE_CONTENTS(
      "mem: storing 34 in location 1\n"
  );
}

:(before "End resolve_ambiguous_call(r, index, inst, caller_recipe) Special-cases")
if (inst.name == "return" || inst.name == "reply") {
  for (int i = 0;  i < SIZE(inst.ingredients);  ++i) {
    if (!is_recipe_literal(inst.ingredients.at(i))) continue;
    if (non_ghost_size(get_or_insert(Recipe_variants, inst.ingredients.at(i).name)) < 1) continue;
    // potentially overloaded recipe
    if (!caller_recipe.has_header) {
      raise << maybe(caller_recipe.name) << "sorry, we're not yet smart enough to guess which variant of '" << inst.ingredients.at(i).name << "' you want, without a recipe header\n" << end();
      return;
    }
    string new_name = resolve_ambiguous_call(inst.ingredients.at(i).name, caller_recipe.products.at(i), r, index, caller_recipe);
    if (new_name == "") continue;
    inst.ingredients.at(i).name = new_name;
    inst.ingredients.at(i).value = get(Recipe_ordinal, new_name);
  }
  return;
}