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<span class="SalientComment">//:: Container definitions can contain 'type ingredients'</span>
<span class="Delimiter">:(scenario size_of_shape_shifting_container)</span>
container foo:_t [
x:_t
y:number
]
recipe main [
<span class="Constant">1</span>:foo:number<span class="Special"> <- </span>merge <span class="Constant">12</span><span class="Delimiter">,</span> <span class="Constant">13</span>
<span class="Constant">3</span>:foo:point<span class="Special"> <- </span>merge <span class="Constant">14</span><span class="Delimiter">,</span> <span class="Constant">15</span><span class="Delimiter">,</span> <span class="Constant">16</span>
]
<span class="traceContains">+mem: storing 12 in location 1</span>
<span class="traceContains">+mem: storing 13 in location 2</span>
<span class="traceContains">+mem: storing 14 in location 3</span>
<span class="traceContains">+mem: storing 15 in location 4</span>
<span class="traceContains">+mem: storing 16 in location 5</span>
<span class="Delimiter">:(scenario size_of_shape_shifting_container_2)</span>
<span class="Comment"># multiple type ingredients</span>
container foo:_a:_b [
x:_a
y:_b
]
recipe main [
<span class="Constant">1</span>:foo:number:boolean<span class="Special"> <- </span>merge <span class="Constant">34</span><span class="Delimiter">,</span> <span class="Constant">1</span>/<span class="Constant">true</span>
]
$error: <span class="Constant">0</span>
<span class="Delimiter">:(scenario size_of_shape_shifting_container_3)</span>
container foo:_a:_b [
x:_a
y:_b
]
recipe main [
<span class="Constant">1</span>:address:shared:array:character<span class="Special"> <- </span>new [abc]
<span class="Comment"># compound types for type ingredients</span>
<span class="Delimiter">{</span><span class="Constant">2</span>: <span class="Delimiter">(</span>foo number <span class="Delimiter">(</span>address shared array character<span class="Delimiter">))}</span><span class="Special"> <- </span>merge <span class="Constant">34</span>/x<span class="Delimiter">,</span> <span class="Constant">1</span>:address:shared:array:character/y
]
$error: <span class="Constant">0</span>
<span class="Delimiter">:(scenario size_of_shape_shifting_container_4)</span>
container foo:_a:_b [
x:_a
y:_b
]
container bar:_a:_b [
<span class="Comment"># dilated element</span>
<span class="Delimiter">{</span>data: <span class="Delimiter">(</span>foo _a <span class="Delimiter">(</span>address shared _b<span class="Delimiter">))}</span>
]
recipe main [
<span class="Constant">1</span>:address:shared:array:character<span class="Special"> <- </span>new [abc]
<span class="Constant">2</span>:bar:number:array:character<span class="Special"> <- </span>merge <span class="Constant">34</span>/x<span class="Delimiter">,</span> <span class="Constant">1</span>:address:shared:array:character/y
]
$error: <span class="Constant">0</span>
<span class="Delimiter">:(before "End Globals")</span>
<span class="Comment">// We'll use large type ordinals to mean "the following type of the variable".</span>
const int START_TYPE_INGREDIENTS = <span class="Constant">2000</span><span class="Delimiter">;</span>
<span class="Delimiter">:(before "End Test Run Initialization")</span>
assert<span class="Delimiter">(</span>Next_type_ordinal < START_TYPE_INGREDIENTS<span class="Delimiter">);</span>
<span class="Delimiter">:(before "End type_info Fields")</span>
map<string<span class="Delimiter">,</span> type_ordinal> type_ingredient_names<span class="Delimiter">;</span>
<span class="Comment">//: Suppress unknown type checks in shape-shifting containers.</span>
<span class="Delimiter">:(before "Check Container Field Types(info)")</span>
if <span class="Delimiter">(</span>!info<span class="Delimiter">.</span>type_ingredient_names<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span class="Delimiter">:(before "End container Name Refinements")</span>
if <span class="Delimiter">(</span>name<span class="Delimiter">.</span>find<span class="Delimiter">(</span><span class="Constant">':'</span><span class="Delimiter">)</span> != string::npos<span class="Delimiter">)</span> <span class="Delimiter">{</span>
trace<span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"container has type ingredients; parsing"</span> << end<span class="Delimiter">();</span>
read_type_ingredients<span class="Delimiter">(</span>name<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(code)</span>
void read_type_ingredients<span class="Delimiter">(</span>string& name<span class="Delimiter">)</span> <span class="Delimiter">{</span>
string save_name = name<span class="Delimiter">;</span>
istringstream in<span class="Delimiter">(</span>save_name<span class="Delimiter">);</span>
name = slurp_until<span class="Delimiter">(</span>in<span class="Delimiter">,</span> <span class="Constant">':'</span><span class="Delimiter">);</span>
if <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> name<span class="Delimiter">)</span> || get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> name<span class="Delimiter">)</span> == <span class="Constant">0</span><span class="Delimiter">)</span>
put<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> name<span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
type_info& info = get_or_insert<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> name<span class="Delimiter">));</span>
long long int next_type_ordinal = START_TYPE_INGREDIENTS<span class="Delimiter">;</span>
while <span class="Delimiter">(</span>has_data<span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Delimiter">{</span>
string curr = slurp_until<span class="Delimiter">(</span>in<span class="Delimiter">,</span> <span class="Constant">':'</span><span class="Delimiter">);</span>
if <span class="Delimiter">(</span>info<span class="Delimiter">.</span>type_ingredient_names<span class="Delimiter">.</span>find<span class="Delimiter">(</span>curr<span class="Delimiter">)</span> != info<span class="Delimiter">.</span>type_ingredient_names<span class="Delimiter">.</span>end<span class="Delimiter">())</span> <span class="Delimiter">{</span>
raise_error << <span class="Constant">"can't repeat type ingredient names in a single container definition</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
<span class="Identifier">return</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
put<span class="Delimiter">(</span>info<span class="Delimiter">.</span>type_ingredient_names<span class="Delimiter">,</span> curr<span class="Delimiter">,</span> next_type_ordinal++<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(before "End insert_container Special-cases")</span>
<span class="Comment">// check for use of type ingredients</span>
else if <span class="Delimiter">(</span>is_type_ingredient_name<span class="Delimiter">(</span>type<span class="Delimiter">-></span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
type<span class="Delimiter">-></span>value = get<span class="Delimiter">(</span>info<span class="Delimiter">.</span>type_ingredient_names<span class="Delimiter">,</span> type<span class="Delimiter">-></span>name<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(code)</span>
bool is_type_ingredient_name<span class="Delimiter">(</span>const string& type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="Identifier">return</span> !type<span class="Delimiter">.</span>empty<span class="Delimiter">()</span> && type<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> == <span class="Constant">'_'</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(before "End Container Type Checks")</span>
if <span class="Delimiter">(</span>type<span class="Delimiter">-></span>value >= START_TYPE_INGREDIENTS
&& <span class="Delimiter">(</span>type<span class="Delimiter">-></span>value - START_TYPE_INGREDIENTS<span class="Delimiter">)</span> < SIZE<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> type<span class="Delimiter">-></span>value<span class="Delimiter">).</span>type_ingredient_names<span class="Delimiter">))</span>
<span class="Identifier">return</span><span class="Delimiter">;</span>
<span class="Delimiter">:(scenario size_of_shape_shifting_exclusive_container)</span>
exclusive-container foo:_t [
x:_t
y:number
]
recipe main [
<span class="Constant">1</span>:foo:number<span class="Special"> <- </span>merge <span class="Constant">0</span>/x<span class="Delimiter">,</span> <span class="Constant">34</span>
<span class="Constant">3</span>:foo:point<span class="Special"> <- </span>merge <span class="Constant">0</span>/x<span class="Delimiter">,</span> <span class="Constant">15</span><span class="Delimiter">,</span> <span class="Constant">16</span>
<span class="Constant">6</span>:foo:point<span class="Special"> <- </span>merge <span class="Constant">1</span>/y<span class="Delimiter">,</span> <span class="Constant">23</span>
]
<span class="traceContains">+mem: storing 0 in location 1</span>
<span class="traceContains">+mem: storing 34 in location 2</span>
<span class="traceContains">+mem: storing 0 in location 3</span>
<span class="traceContains">+mem: storing 15 in location 4</span>
<span class="traceContains">+mem: storing 16 in location 5</span>
<span class="traceContains">+mem: storing 1 in location 6</span>
<span class="traceContains">+mem: storing 23 in location 7</span>
$mem: <span class="Constant">7</span>
<span class="Delimiter">:(code)</span>
<span class="Comment">// shape-shifting version of size_of</span>
long long int size_of_type_ingredient<span class="Delimiter">(</span>const type_tree* element_template<span class="Delimiter">,</span> const type_tree* rest_of_use<span class="Delimiter">)</span> <span class="Delimiter">{</span>
type_tree* element_type = type_ingredient<span class="Delimiter">(</span>element_template<span class="Delimiter">,</span> rest_of_use<span class="Delimiter">);</span>
if <span class="Delimiter">(</span>!element_type<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span>
long long int result = size_of<span class="Delimiter">(</span>element_type<span class="Delimiter">);</span>
delete element_type<span class="Delimiter">;</span>
<span class="Identifier">return</span> result<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
type_tree* type_ingredient<span class="Delimiter">(</span>const type_tree* element_template<span class="Delimiter">,</span> const type_tree* rest_of_use<span class="Delimiter">)</span> <span class="Delimiter">{</span>
long long int type_ingredient_index = element_template<span class="Delimiter">-></span>value - START_TYPE_INGREDIENTS<span class="Delimiter">;</span>
const type_tree* curr = rest_of_use<span class="Delimiter">;</span>
if <span class="Delimiter">(</span>!curr<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">NULL</span><span class="Delimiter">;</span>
while <span class="Delimiter">(</span>type_ingredient_index > <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
--type_ingredient_index<span class="Delimiter">;</span>
curr = curr<span class="Delimiter">-></span>right<span class="Delimiter">;</span>
if <span class="Delimiter">(</span>!curr<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">NULL</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
assert<span class="Delimiter">(</span>curr<span class="Delimiter">);</span>
if <span class="Delimiter">(</span>curr<span class="Delimiter">-></span>left<span class="Delimiter">)</span> curr = curr<span class="Delimiter">-></span>left<span class="Delimiter">;</span>
assert<span class="Delimiter">(</span>curr<span class="Delimiter">-></span>value > <span class="Constant">0</span><span class="Delimiter">);</span>
trace<span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">"type"</span><span class="Delimiter">)</span> << <span class="Constant">"type deduced to be "</span> << get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> curr<span class="Delimiter">-></span>value<span class="Delimiter">).</span>name << <span class="Constant">"$"</span> << end<span class="Delimiter">();</span>
<span class="Identifier">return</span> new type_tree<span class="Delimiter">(</span>*curr<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(scenario get_on_shape_shifting_container)</span>
container foo:_t [
x:_t
y:number
]
recipe main [
<span class="Constant">1</span>:foo:point<span class="Special"> <- </span>merge <span class="Constant">14</span><span class="Delimiter">,</span> <span class="Constant">15</span><span class="Delimiter">,</span> <span class="Constant">16</span>
<span class="Constant">2</span>:number<span class="Special"> <- </span>get <span class="Constant">1</span>:foo:point<span class="Delimiter">,</span> y:offset
]
<span class="traceContains">+mem: storing 16 in location 2</span>
<span class="Delimiter">:(before "End GET field Cases")</span>
const type_tree* type = get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">).</span>elements<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">;</span>
if <span class="Delimiter">(</span>type<span class="Delimiter">-></span>value >= START_TYPE_INGREDIENTS<span class="Delimiter">)</span> <span class="Delimiter">{</span>
long long int size = size_of_type_ingredient<span class="Delimiter">(</span>type<span class="Delimiter">,</span> base<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">);</span>
if <span class="Delimiter">(</span>!size<span class="Delimiter">)</span>
raise_error << <span class="Constant">"illegal field type '"</span> << to_string<span class="Delimiter">(</span>type<span class="Delimiter">)</span> << <span class="Constant">"' seems to be missing a type ingredient or three</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
src += size<span class="Delimiter">;</span>
<span class="Identifier">continue</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(scenario get_on_shape_shifting_container_2)</span>
container foo:_t [
x:_t
y:number
]
recipe main [
<span class="Constant">1</span>:foo:point<span class="Special"> <- </span>merge <span class="Constant">14</span><span class="Delimiter">,</span> <span class="Constant">15</span><span class="Delimiter">,</span> <span class="Constant">16</span>
<span class="Constant">2</span>:point<span class="Special"> <- </span>get <span class="Constant">1</span>:foo:point<span class="Delimiter">,</span> x:offset
]
<span class="traceContains">+mem: storing 14 in location 2</span>
<span class="traceContains">+mem: storing 15 in location 3</span>
<span class="Delimiter">:(scenario get_on_shape_shifting_container_3)</span>
container foo:_t [
x:_t
y:number
]
recipe main [
<span class="Constant">1</span>:foo:address:point<span class="Special"> <- </span>merge <span class="Constant">34</span>/unsafe<span class="Delimiter">,</span> <span class="Constant">48</span>
<span class="Constant">2</span>:address:point<span class="Special"> <- </span>get <span class="Constant">1</span>:foo:address:point<span class="Delimiter">,</span> x:offset
]
<span class="traceContains">+mem: storing 34 in location 2</span>
<span class="Delimiter">:(scenario get_on_shape_shifting_container_inside_container)</span>
container foo:_t [
x:_t
y:number
]
container bar [
x:foo:point
y:number
]
recipe main [
<span class="Constant">1</span>:bar<span class="Special"> <- </span>merge <span class="Constant">14</span><span class="Delimiter">,</span> <span class="Constant">15</span><span class="Delimiter">,</span> <span class="Constant">16</span><span class="Delimiter">,</span> <span class="Constant">17</span>
<span class="Constant">2</span>:number<span class="Special"> <- </span>get <span class="Constant">1</span>:bar<span class="Delimiter">,</span> <span class="Constant">1</span>:offset
]
<span class="traceContains">+mem: storing 17 in location 2</span>
<span class="Delimiter">:(scenario get_on_complex_shape_shifting_container)</span>
container foo:_a:_b [
x:_a
y:_b
]
recipe main [
<span class="Constant">1</span>:address:shared:array:character<span class="Special"> <- </span>new [abc]
<span class="Delimiter">{</span><span class="Constant">2</span>: <span class="Delimiter">(</span>foo number <span class="Delimiter">(</span>address shared array character<span class="Delimiter">))}</span><span class="Special"> <- </span>merge <span class="Constant">34</span>/x<span class="Delimiter">,</span> <span class="Constant">1</span>:address:shared:array:character/y
<span class="Constant">3</span>:address:shared:array:character<span class="Special"> <- </span>get <span class="Delimiter">{</span><span class="Constant">2</span>: <span class="Delimiter">(</span>foo number <span class="Delimiter">(</span>address shared array character<span class="Delimiter">))},</span> y:offset
<span class="Constant">4</span>:boolean<span class="Special"> <- </span>equal <span class="Constant">1</span>:address:shared:array:character<span class="Delimiter">,</span> <span class="Constant">3</span>:address:shared:array:character
]
<span class="traceContains">+mem: storing 1 in location 4</span>
<span class="Delimiter">:(before "End element_type Special-cases")</span>
if <span class="Delimiter">(</span>contains_type_ingredient<span class="Delimiter">(</span>element<span class="Delimiter">))</span> <span class="Delimiter">{</span>
if <span class="Delimiter">(</span>!canonized_base<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">)</span>
raise_error << <span class="Constant">"illegal type "</span> << names_to_string<span class="Delimiter">(</span>canonized_base<span class="Delimiter">.</span>type<span class="Delimiter">)</span> << <span class="Constant">" seems to be missing a type ingredient or three</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
replace_type_ingredients<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">,</span> canonized_base<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">,</span> info<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(code)</span>
bool contains_type_ingredient<span class="Delimiter">(</span>const reagent& x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="Identifier">return</span> contains_type_ingredient<span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
bool contains_type_ingredient<span class="Delimiter">(</span>const type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
if <span class="Delimiter">(</span>!type<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
if <span class="Delimiter">(</span>type<span class="Delimiter">-></span>value >= START_TYPE_INGREDIENTS<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
<span class="Identifier">return</span> contains_type_ingredient<span class="Delimiter">(</span>type<span class="Delimiter">-></span>left<span class="Delimiter">)</span> || contains_type_ingredient<span class="Delimiter">(</span>type<span class="Delimiter">-></span>right<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Comment">// todo: too complicated and likely incomplete; maybe avoid replacing in place? Maybe process element_type and element_type_name in separate functions?</span>
void replace_type_ingredients<span class="Delimiter">(</span>type_tree* element_type<span class="Delimiter">,</span> const type_tree* callsite_type<span class="Delimiter">,</span> const type_info& container_info<span class="Delimiter">)</span> <span class="Delimiter">{</span>
if <span class="Delimiter">(</span>!callsite_type<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// error but it's already been raised above</span>
if <span class="Delimiter">(</span>!element_type<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span class="Comment">// A. recurse first to avoid nested replaces (which I can't reason about yet)</span>
replace_type_ingredients<span class="Delimiter">(</span>element_type<span class="Delimiter">-></span>left<span class="Delimiter">,</span> callsite_type<span class="Delimiter">,</span> container_info<span class="Delimiter">);</span>
replace_type_ingredients<span class="Delimiter">(</span>element_type<span class="Delimiter">-></span>right<span class="Delimiter">,</span> callsite_type<span class="Delimiter">,</span> container_info<span class="Delimiter">);</span>
if <span class="Delimiter">(</span>element_type<span class="Delimiter">-></span>value < START_TYPE_INGREDIENTS<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
const long long int type_ingredient_index = element_type<span class="Delimiter">-></span>value-START_TYPE_INGREDIENTS<span class="Delimiter">;</span>
if <span class="Delimiter">(</span>!has_nth_type<span class="Delimiter">(</span>callsite_type<span class="Delimiter">,</span> type_ingredient_index<span class="Delimiter">))</span> <span class="Delimiter">{</span>
raise_error << <span class="Constant">"illegal type "</span> << names_to_string<span class="Delimiter">(</span>callsite_type<span class="Delimiter">)</span> << <span class="Constant">" seems to be missing a type ingredient or three</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
<span class="Identifier">return</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Comment">// B. replace the current location</span>
const type_tree* replacement = <span class="Constant">NULL</span><span class="Delimiter">;</span>
bool splice_right = <span class="Constant">true</span> <span class="Delimiter">;</span>
<span class="Delimiter">{</span>
const type_tree* curr = callsite_type<span class="Delimiter">;</span>
for <span class="Delimiter">(</span>long long int i = <span class="Constant">0</span><span class="Delimiter">;</span> i < type_ingredient_index<span class="Delimiter">;</span> ++i<span class="Delimiter">)</span>
curr = curr<span class="Delimiter">-></span>right<span class="Delimiter">;</span>
if <span class="Delimiter">(</span>curr && curr<span class="Delimiter">-></span>left<span class="Delimiter">)</span> <span class="Delimiter">{</span>
replacement = curr<span class="Delimiter">-></span>left<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
else <span class="Delimiter">{</span>
<span class="Comment">// We want foo:_t to be used like foo:number, which expands to {foo: number}</span>
<span class="Comment">// rather than {foo: (number)}</span>
<span class="Comment">// We'd also like to use it with multiple types: foo:address:number.</span>
replacement = curr<span class="Delimiter">;</span>
if <span class="Delimiter">(</span>!final_type_ingredient<span class="Delimiter">(</span>type_ingredient_index<span class="Delimiter">,</span> container_info<span class="Delimiter">))</span> <span class="Delimiter">{</span>
splice_right = <span class="Constant">false</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
element_type<span class="Delimiter">-></span>name = replacement<span class="Delimiter">-></span>name<span class="Delimiter">;</span>
element_type<span class="Delimiter">-></span>value = replacement<span class="Delimiter">-></span>value<span class="Delimiter">;</span>
assert<span class="Delimiter">(</span>!element_type<span class="Delimiter">-></span>left<span class="Delimiter">);</span> <span class="Comment">// since value is set</span>
element_type<span class="Delimiter">-></span>left = replacement<span class="Delimiter">-></span>left ? new type_tree<span class="Delimiter">(</span>*replacement<span class="Delimiter">-></span>left<span class="Delimiter">)</span> : <span class="Constant">NULL</span><span class="Delimiter">;</span>
if <span class="Delimiter">(</span>splice_right<span class="Delimiter">)</span> <span class="Delimiter">{</span>
type_tree* old_right = element_type<span class="Delimiter">-></span>right<span class="Delimiter">;</span>
element_type<span class="Delimiter">-></span>right = replacement<span class="Delimiter">-></span>right ? new type_tree<span class="Delimiter">(</span>*replacement<span class="Delimiter">-></span>right<span class="Delimiter">)</span> : <span class="Constant">NULL</span><span class="Delimiter">;</span>
append<span class="Delimiter">(</span>element_type<span class="Delimiter">-></span>right<span class="Delimiter">,</span> old_right<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
bool final_type_ingredient<span class="Delimiter">(</span>long long int type_ingredient_index<span class="Delimiter">,</span> const type_info& container_info<span class="Delimiter">)</span> <span class="Delimiter">{</span>
for <span class="Delimiter">(</span>map<string<span class="Delimiter">,</span> type_ordinal>::const_iterator p = container_info<span class="Delimiter">.</span>type_ingredient_names<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>
p != container_info<span class="Delimiter">.</span>type_ingredient_names<span class="Delimiter">.</span>end<span class="Delimiter">();</span>
++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
if <span class="Delimiter">(</span>p<span class="Delimiter">-></span>second > START_TYPE_INGREDIENTS+type_ingredient_index<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
void append<span class="Delimiter">(</span>type_tree*& base<span class="Delimiter">,</span> type_tree* extra<span class="Delimiter">)</span> <span class="Delimiter">{</span>
if <span class="Delimiter">(</span>!base<span class="Delimiter">)</span> <span class="Delimiter">{</span>
base = extra<span class="Delimiter">;</span>
<span class="Identifier">return</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
type_tree* curr = base<span class="Delimiter">;</span>
while <span class="Delimiter">(</span>curr<span class="Delimiter">-></span>right<span class="Delimiter">)</span> curr = curr<span class="Delimiter">-></span>right<span class="Delimiter">;</span>
curr<span class="Delimiter">-></span>right = extra<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
void append<span class="Delimiter">(</span>string_tree*& base<span class="Delimiter">,</span> string_tree* extra<span class="Delimiter">)</span> <span class="Delimiter">{</span>
if <span class="Delimiter">(</span>!base<span class="Delimiter">)</span> <span class="Delimiter">{</span>
base = extra<span class="Delimiter">;</span>
<span class="Identifier">return</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
string_tree* curr = base<span class="Delimiter">;</span>
while <span class="Delimiter">(</span>curr<span class="Delimiter">-></span>right<span class="Delimiter">)</span> curr = curr<span class="Delimiter">-></span>right<span class="Delimiter">;</span>
curr<span class="Delimiter">-></span>right = extra<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
void test_replace_type_ingredients_entire<span class="Delimiter">()</span> <span class="Delimiter">{</span>
run<span class="Delimiter">(</span><span class="Constant">"container foo:_elem [</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" x:_elem</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" y:number</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">"]</span><span class="cSpecial">\n</span><span class="Constant">"</span><span class="Delimiter">);</span>
reagent callsite<span class="Delimiter">(</span><span class="Constant">"x:foo:point"</span><span class="Delimiter">);</span>
reagent element = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">"x"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"point"</span><span class="Delimiter">);</span>
CHECK<span class="Delimiter">(</span>!element<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
void test_replace_type_ingredients_tail<span class="Delimiter">()</span> <span class="Delimiter">{</span>
run<span class="Delimiter">(</span><span class="Constant">"container foo:_elem [</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" x:_elem</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">"]</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">"container bar:_elem [</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" x:foo:_elem</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">"]</span><span class="cSpecial">\n</span><span class="Constant">"</span><span class="Delimiter">);</span>
reagent callsite<span class="Delimiter">(</span><span class="Constant">"x:bar:point"</span><span class="Delimiter">);</span>
reagent element = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">"x"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"foo"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"point"</span><span class="Delimiter">);</span>
CHECK<span class="Delimiter">(</span>!element<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
void test_replace_type_ingredients_head_tail_multiple<span class="Delimiter">()</span> <span class="Delimiter">{</span>
run<span class="Delimiter">(</span><span class="Constant">"container foo:_elem [</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" x:_elem</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">"]</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">"container bar:_elem [</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" x:foo:_elem</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">"]</span><span class="cSpecial">\n</span><span class="Constant">"</span><span class="Delimiter">);</span>
reagent callsite<span class="Delimiter">(</span><span class="Constant">"x:bar:address:shared:array:character"</span><span class="Delimiter">);</span>
reagent element = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">"x"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"foo"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"address"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"shared"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"array"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"character"</span><span class="Delimiter">);</span>
CHECK<span class="Delimiter">(</span>!element<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
void test_replace_type_ingredients_head_middle<span class="Delimiter">()</span> <span class="Delimiter">{</span>
run<span class="Delimiter">(</span><span class="Constant">"container foo:_elem [</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" x:_elem</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">"]</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">"container bar:_elem [</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" x:foo:_elem:number</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">"]</span><span class="cSpecial">\n</span><span class="Constant">"</span><span class="Delimiter">);</span>
reagent callsite<span class="Delimiter">(</span><span class="Constant">"x:bar:address"</span><span class="Delimiter">);</span>
reagent element = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">"x"</span><span class="Delimiter">);</span>
CHECK<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">)</span>
CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"foo"</span><span class="Delimiter">);</span>
CHECK<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">)</span>
CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"address"</span><span class="Delimiter">);</span>
CHECK<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">)</span>
CHECK_EQ<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"number"</span><span class="Delimiter">);</span>
CHECK<span class="Delimiter">(</span>!element<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
void test_replace_last_type_ingredient_with_multiple<span class="Delimiter">()</span> <span class="Delimiter">{</span>
run<span class="Delimiter">(</span><span class="Constant">"container foo:_a:_b [</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" x:_a</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" y:_b</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">"]</span><span class="cSpecial">\n</span><span class="Constant">"</span><span class="Delimiter">);</span>
reagent callsite<span class="Delimiter">(</span><span class="Constant">"{f: (foo number (address shared array character))}"</span><span class="Delimiter">);</span>
reagent element1 = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element1<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">"x"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element1<span class="Delimiter">.</span>type<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"number"</span><span class="Delimiter">);</span>
CHECK<span class="Delimiter">(</span>!element1<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">);</span>
reagent element2 = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element2<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">"y"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element2<span class="Delimiter">.</span>type<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"address"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element2<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"shared"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element2<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"array"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element2<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"character"</span><span class="Delimiter">);</span>
CHECK<span class="Delimiter">(</span>!element2<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
void test_replace_middle_type_ingredient_with_multiple<span class="Delimiter">()</span> <span class="Delimiter">{</span>
run<span class="Delimiter">(</span><span class="Constant">"container foo:_a:_b:_c [</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" x:_a</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" y:_b</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" z:_c</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">"]</span><span class="cSpecial">\n</span><span class="Constant">"</span><span class="Delimiter">);</span>
reagent callsite<span class="Delimiter">(</span><span class="Constant">"{f: (foo number (address shared array character) boolean)}"</span><span class="Delimiter">);</span>
reagent element1 = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element1<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">"x"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element1<span class="Delimiter">.</span>type<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"number"</span><span class="Delimiter">);</span>
CHECK<span class="Delimiter">(</span>!element1<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">);</span>
reagent element2 = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element2<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">"y"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element2<span class="Delimiter">.</span>type<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"address"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element2<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"shared"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element2<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"array"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element2<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"character"</span><span class="Delimiter">);</span>
CHECK<span class="Delimiter">(</span>!element2<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">);</span>
reagent element3 = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">,</span> <span class="Constant">2</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element3<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">"z"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>element3<span class="Delimiter">.</span>type<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"boolean"</span><span class="Delimiter">);</span>
CHECK<span class="Delimiter">(</span>!element3<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
bool has_nth_type<span class="Delimiter">(</span>const type_tree* base<span class="Delimiter">,</span> long long int n<span class="Delimiter">)</span> <span class="Delimiter">{</span>
assert<span class="Delimiter">(</span>n >= <span class="Constant">0</span><span class="Delimiter">);</span>
if <span class="Delimiter">(</span>base == <span class="Constant">NULL</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
if <span class="Delimiter">(</span>n == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
<span class="Identifier">return</span> has_nth_type<span class="Delimiter">(</span>base<span class="Delimiter">-></span>right<span class="Delimiter">,</span> n-<span class="Constant">1</span><span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(scenario get_on_shape_shifting_container_error)</span>
<span class="Special">% Hide_errors = true;</span>
container foo:_t [
x:_t
y:number
]
recipe main [
<span class="Constant">10</span>:foo:point<span class="Special"> <- </span>merge <span class="Constant">14</span><span class="Delimiter">,</span> <span class="Constant">15</span><span class="Delimiter">,</span> <span class="Constant">16</span>
<span class="Constant">1</span>:number<span class="Special"> <- </span>get <span class="Constant">10</span>:foo<span class="Delimiter">,</span> <span class="Constant">1</span>:offset
]
<span class="traceContains">+error: illegal type "foo" seems to be missing a type ingredient or three</span>
<span class="Comment">//: get-address similarly</span>
<span class="Delimiter">:(scenario get_address_on_shape_shifting_container)</span>
container foo:_t [
x:_t
y:number
]
recipe main [
<span class="Constant">10</span>:foo:point<span class="Special"> <- </span>merge <span class="Constant">14</span><span class="Delimiter">,</span> <span class="Constant">15</span><span class="Delimiter">,</span> <span class="Constant">16</span>
<span class="Constant">1</span>:address:number<span class="Special"> <- </span>get-address <span class="Constant">10</span>:foo:point<span class="Delimiter">,</span> <span class="Constant">1</span>:offset
]
<span class="traceContains">+mem: storing 12 in location 1</span>
<span class="Delimiter">:(before "End GET_ADDRESS field Cases")</span>
const type_tree* type = get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">).</span>elements<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">;</span>
if <span class="Delimiter">(</span>type<span class="Delimiter">-></span>value >= START_TYPE_INGREDIENTS<span class="Delimiter">)</span> <span class="Delimiter">{</span>
long long int size = size_of_type_ingredient<span class="Delimiter">(</span>type<span class="Delimiter">,</span> base<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">);</span>
if <span class="Delimiter">(</span>!size<span class="Delimiter">)</span>
raise_error << <span class="Constant">"illegal type '"</span> << to_string<span class="Delimiter">(</span>type<span class="Delimiter">)</span> << <span class="Constant">"' seems to be missing a type ingredient or three</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
result += size<span class="Delimiter">;</span>
<span class="Identifier">continue</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Comment">//: 'merge' on shape-shifting containers</span>
<span class="Delimiter">:(scenario merge_check_shape_shifting_container_containing_exclusive_container)</span>
container foo:_elem [
x:number
y:_elem
]
exclusive-container bar [
x:number
y:number
]
recipe main [
<span class="Constant">1</span>:foo:bar<span class="Special"> <- </span>merge <span class="Constant">23</span><span class="Delimiter">,</span> <span class="Constant">1</span>/y<span class="Delimiter">,</span> <span class="Constant">34</span>
]
<span class="traceContains">+mem: storing 23 in location 1</span>
<span class="traceContains">+mem: storing 1 in location 2</span>
<span class="traceContains">+mem: storing 34 in location 3</span>
$error: <span class="Constant">0</span>
<span class="Delimiter">:(scenario merge_check_shape_shifting_container_containing_exclusive_container_2)</span>
<span class="Special">% Hide_errors = true;</span>
container foo:_elem [
x:number
y:_elem
]
exclusive-container bar [
x:number
y:number
]
recipe main [
<span class="Constant">1</span>:foo:bar<span class="Special"> <- </span>merge <span class="Constant">23</span><span class="Delimiter">,</span> <span class="Constant">1</span>/y<span class="Delimiter">,</span> <span class="Constant">34</span><span class="Delimiter">,</span> <span class="Constant">35</span>
]
<span class="traceContains">+error: main: too many ingredients in '1:foo:bar <- merge 23, 1/y, 34, 35'</span>
<span class="Delimiter">:(scenario merge_check_shape_shifting_exclusive_container_containing_container)</span>
exclusive-container foo:_elem [
x:number
y:_elem
]
container bar [
x:number
y:number
]
recipe main [
<span class="Constant">1</span>:foo:bar<span class="Special"> <- </span>merge <span class="Constant">1</span>/y<span class="Delimiter">,</span> <span class="Constant">23</span><span class="Delimiter">,</span> <span class="Constant">34</span>
]
<span class="traceContains">+mem: storing 1 in location 1</span>
<span class="traceContains">+mem: storing 23 in location 2</span>
<span class="traceContains">+mem: storing 34 in location 3</span>
$error: <span class="Constant">0</span>
<span class="Delimiter">:(scenario merge_check_shape_shifting_exclusive_container_containing_container_2)</span>
exclusive-container foo:_elem [
x:number
y:_elem
]
container bar [
x:number
y:number
]
recipe main [
<span class="Constant">1</span>:foo:bar<span class="Special"> <- </span>merge <span class="Constant">0</span>/x<span class="Delimiter">,</span> <span class="Constant">23</span>
]
$error: <span class="Constant">0</span>
<span class="Delimiter">:(scenario merge_check_shape_shifting_exclusive_container_containing_container_3)</span>
<span class="Special">% Hide_errors = true;</span>
exclusive-container foo:_elem [
x:number
y:_elem
]
container bar [
x:number
y:number
]
recipe main [
<span class="Constant">1</span>:foo:bar<span class="Special"> <- </span>merge <span class="Constant">1</span>/y<span class="Delimiter">,</span> <span class="Constant">23</span>
]
<span class="traceContains">+error: main: too few ingredients in '1:foo:bar <- merge 1/y, 23'</span>
<span class="Delimiter">:(before "End variant_type Special-cases")</span>
if <span class="Delimiter">(</span>contains_type_ingredient<span class="Delimiter">(</span>element<span class="Delimiter">))</span> <span class="Delimiter">{</span>
if <span class="Delimiter">(</span>!canonized_base<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">)</span>
raise_error << <span class="Constant">"illegal type '"</span> << to_string<span class="Delimiter">(</span>canonized_base<span class="Delimiter">.</span>type<span class="Delimiter">)</span> << <span class="Constant">"' seems to be missing a type ingredient or three</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
replace_type_ingredients<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">,</span> canonized_base<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">,</span> info<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
</pre>
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