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<span class="SalientComment">//:: Container definitions can contain 'type ingredients'</span>
<span class="Comment">//: pre-requisite: extend our notion of containers to not necessarily be</span>
<span class="Comment">//: atomic types</span>
<span class="Delimiter">:(before "End is_mu_container(type) Special-cases")</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">-></span>atom<span class="Delimiter">)</span>
<span class="Identifier">return</span> is_mu_container<span class="Delimiter">(</span>get_base_type<span class="Delimiter">(</span>type<span class="Delimiter">));</span>
<span class="Delimiter">:(before "End is_mu_exclusive_container(type) Special-cases")</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">-></span>atom<span class="Delimiter">)</span>
<span class="Identifier">return</span> is_mu_exclusive_container<span class="Delimiter">(</span>get_base_type<span class="Delimiter">(</span>type<span class="Delimiter">));</span>
<span class="Delimiter">:(after "Update GET base_type in Check")</span>
base_type = get_base_type<span class="Delimiter">(</span>base_type<span class="Delimiter">);</span>
<span class="Delimiter">:(after "Update GET base_type in Run")</span>
base_type = get_base_type<span class="Delimiter">(</span>base_type<span class="Delimiter">);</span>
<span class="Delimiter">:(after "Update PUT base_type in Check")</span>
base_type = get_base_type<span class="Delimiter">(</span>base_type<span class="Delimiter">);</span>
<span class="Delimiter">:(after "Update PUT base_type in Run")</span>
base_type = get_base_type<span class="Delimiter">(</span>base_type<span class="Delimiter">);</span>
<span class="Delimiter">:(after "Update MAYBE_CONVERT base_type in Check")</span>
base_type = get_base_type<span class="Delimiter">(</span>base_type<span class="Delimiter">);</span>
<span class="Delimiter">:(after "Update base_type in size_of(type)")</span>
base_type = get_base_type<span class="Delimiter">(</span>base_type<span class="Delimiter">);</span>
<span class="Delimiter">:(after "Update base_type in element_type")</span>
base_type = get_base_type<span class="Delimiter">(</span>base_type<span class="Delimiter">);</span>
<span class="Delimiter">:(after "Update base_type in compute_container_address_offsets")</span>
base_type = get_base_type<span class="Delimiter">(</span>base_type<span class="Delimiter">);</span>
<span class="Delimiter">:(after "Update base_type in append_container_address_offsets")</span>
base_type = get_base_type<span class="Delimiter">(</span>base_type<span class="Delimiter">);</span>
<span class="Delimiter">:(after "Update element_base_type For Exclusive Container in append_addresses")</span>
element_base_type = get_base_type<span class="Delimiter">(</span>element_base_type<span class="Delimiter">);</span>
<span class="Delimiter">:(after "Update base_type in skip_addresses")</span>
base_type = get_base_type<span class="Delimiter">(</span>base_type<span class="Delimiter">);</span>
<span class="Delimiter">:(replace{} "const type_tree* get_base_type(const type_tree* t)")</span>
<span class="Normal">const</span> type_tree* get_base_type<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* t<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="Normal">const</span> type_tree* result = t<span class="Delimiter">-></span>atom ? t : t<span class="Delimiter">-></span>left<span class="Delimiter">;</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>!result<span class="Delimiter">-></span>atom<span class="Delimiter">)</span>
raise << <span class="Constant">"invalid type "</span> << to_string<span class="Delimiter">(</span>t<span class="Delimiter">)</span> << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span>
<span class="Identifier">return</span> result<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(scenario ill_formed_container)</span>
<span class="Special">% Hide_errors = true;</span>
<span class="muRecipe">def</span> main [
<span class="Delimiter">{</span><span class="Constant">1</span>: <span class="Delimiter">((</span>foo<span class="Delimiter">)</span> num<span class="Delimiter">)}</span><span class="Special"> <- </span>copy <span class="Constant">0</span>
]
<span class="Comment"># no crash</span>
<span class="Delimiter">:(scenario size_of_shape_shifting_container)</span>
<span class="muData">container</span> foo:_t [
<span class="Normal">x</span>:_t
<span class="Normal">y</span>:num
]
<span class="muRecipe">def</span> main [
<span class="Constant">1</span>:foo:num<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>
<span class="muData">container</span> foo:_a:_b [
<span class="Normal">x</span>:_a
<span class="Normal">y</span>:_b
]
<span class="muRecipe">def</span> main [
<span class="Constant">1</span>:foo:num:<span class="Normal">bool</span><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>
<span class="muData">container</span> foo:_a:_b [
<span class="Normal">x</span>:_a
<span class="Normal">y</span>:_b
]
<span class="muRecipe">def</span> main [
<span class="Constant">1</span>:text<span class="Special"> <- </span><span class="Normal">new</span> [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 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>:text/y
]
$error: <span class="Constant">0</span>
<span class="Delimiter">:(scenario size_of_shape_shifting_container_4)</span>
<span class="muData">container</span> foo:_a:_b [
<span class="Normal">x</span>:_a
<span class="Normal">y</span>:_b
]
<span class="muData">container</span> 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 _b<span class="Delimiter">))}</span>
]
<span class="muRecipe">def</span> main [
<span class="Constant">1</span>:text<span class="Special"> <- </span><span class="Normal">new</span> [abc]
<span class="Constant">2</span>:bar:num:@:<span class="Normal">char</span><span class="Special"> <- </span>merge <span class="Constant">34</span>/x<span class="Delimiter">,</span> <span class="Constant">1</span>:text/y
]
$error: <span class="Constant">0</span>
<span class="Delimiter">:(scenario shape_shifting_container_extend)</span>
<span class="muData">container</span> foo:_a [
<span class="Normal">x</span>:_a
]
<span class="muData">container</span> foo:_a [
<span class="Normal">y</span>:_a
]
$error: <span class="Constant">0</span>
<span class="Delimiter">:(scenario shape_shifting_container_extend_error)</span>
<span class="Special">% Hide_errors = true;</span>
<span class="muData">container</span> foo:_a [
<span class="Normal">x</span>:_a
]
<span class="muData">container</span> foo:_b [
<span class="Normal">y</span>:_b
]
<span class="traceContains">+error: headers of container 'foo' must use identical type ingredients</span>
<span class="Delimiter">:(scenario type_ingredient_must_start_with_underscore)</span>
<span class="Special">% Hide_errors = true;</span>
<span class="muData">container</span> foo:t [
<span class="Normal">x</span>:num
]
<span class="traceContains">+error: foo: type ingredient 't' must begin with an underscore</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>
<span class="Comment">// For example, if we have a generic type called foo:_elem, the type</span>
<span class="Comment">// ingredient _elem in foo's type_info will have value START_TYPE_INGREDIENTS,</span>
<span class="Comment">// and we'll handle it by looking in the current reagent for the next type</span>
<span class="Comment">// that appears after foo.</span>
<span class="Normal">extern</span> <span class="Normal">const</span> <span class="Normal">int</span> START_TYPE_INGREDIENTS = <span class="Constant">2000</span><span class="Delimiter">;</span>
<span class="Delimiter">:(before "End Commandline Parsing")</span> <span class="Comment">// after loading .mu files</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>
<span class="Normal">if</span> <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>
<span class="Normal">if</span> <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>
<span class="Normal">if</span> <span class="Delimiter">(</span>!read_type_ingredients<span class="Delimiter">(</span>name<span class="Delimiter">,</span> command<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span class="Comment">// error; skip rest of the container definition and continue</span>
slurp_balanced_bracket<span class="Delimiter">(</span>in<span class="Delimiter">);</span>
<span class="Identifier">return</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(code)</span>
<span class="Normal">bool</span> read_type_ingredients<span class="Delimiter">(</span>string& name<span class="Delimiter">,</span> <span class="Normal">const</span> string& command<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>
map<string<span class="Delimiter">,</span> type_ordinal> type_ingredient_names<span class="Delimiter">;</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>!slurp_type_ingredients<span class="Delimiter">(</span>in<span class="Delimiter">,</span> type_ingredient_names<span class="Delimiter">,</span> name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> name<span class="Delimiter">)</span>
&& contains_key<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> <span class="Delimiter">{</span>
<span class="Normal">const</span> type_info& previous_info = get<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>
<span class="Comment">// we've already seen this container; make sure type ingredients match</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>!type_ingredients_match<span class="Delimiter">(</span>type_ingredient_names<span class="Delimiter">,</span> previous_info<span class="Delimiter">.</span>type_ingredient_names<span class="Delimiter">))</span> <span class="Delimiter">{</span>
raise << <span class="Constant">"headers of "</span> << command << <span class="Constant">" '"</span> << name << <span class="Constant">"' must use identical type ingredients</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<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>
<span class="Comment">// we haven't seen this container before</span>
<span class="Normal">if</span> <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>
info<span class="Delimiter">.</span>type_ingredient_names<span class="Delimiter">.</span>swap<span class="Delimiter">(</span>type_ingredient_names<span class="Delimiter">);</span>
<span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Normal">bool</span> slurp_type_ingredients<span class="Delimiter">(</span>istream& in<span class="Delimiter">,</span> map<string<span class="Delimiter">,</span> type_ordinal>& out<span class="Delimiter">,</span> <span class="Normal">const</span> string& container_name<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="Normal">int</span> next_type_ordinal = START_TYPE_INGREDIENTS<span class="Delimiter">;</span>
<span class="Normal">while</span> <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>
<span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
raise << container_name << <span class="Constant">": empty type ingredients not permitted</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
<span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>!starts_with<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"_"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
raise << container_name << <span class="Constant">": type ingredient '"</span> << curr << <span class="Constant">"' must begin with an underscore</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
<span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>out<span class="Delimiter">.</span>find<span class="Delimiter">(</span>curr<span class="Delimiter">)</span> != out<span class="Delimiter">.</span>end<span class="Delimiter">())</span> <span class="Delimiter">{</span>
raise << container_name << <span class="Constant">": can't repeat type ingredient name'"</span> << curr << <span class="Constant">"' 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="Constant">false</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
put<span class="Delimiter">(</span>out<span class="Delimiter">,</span> curr<span class="Delimiter">,</span> next_type_ordinal++<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>
<span class="Normal">bool</span> type_ingredients_match<span class="Delimiter">(</span><span class="Normal">const</span> map<string<span class="Delimiter">,</span> type_ordinal>& a<span class="Delimiter">,</span> <span class="Normal">const</span> map<string<span class="Delimiter">,</span> type_ordinal>& b<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>a<span class="Delimiter">)</span> != SIZE<span class="Delimiter">(</span>b<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
<span class="Normal">for</span> <span class="Delimiter">(</span>map<string<span class="Delimiter">,</span> type_ordinal>::const_iterator p = a<span class="Delimiter">.</span>begin<span class="Delimiter">();</span> p != a<span class="Delimiter">.</span>end<span class="Delimiter">();</span> ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>b<span class="Delimiter">,</span> p<span class="Delimiter">-></span>first<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">-></span>second != get<span class="Delimiter">(</span>b<span class="Delimiter">,</span> p<span class="Delimiter">-></span>first<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>
<span class="Delimiter">:(before "End insert_container Special-cases")</span>
<span class="Comment">// check for use of type ingredients</span>
<span class="Normal">else</span> <span class="Normal">if</span> <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>
<span class="Normal">bool</span> is_type_ingredient_name<span class="Delimiter">(</span><span class="Normal">const</span> string& type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="Identifier">return</span> starts_with<span class="Delimiter">(</span>type<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>
<span class="Normal">if</span> <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>
<span class="muData">exclusive-container</span> foo:_t [
<span class="Normal">x</span>:_t
<span class="Normal">y</span>:num
]
<span class="muRecipe">def</span> main [
<span class="Constant">1</span>:foo:num<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">+run: {1: ("foo" "number")} <- merge {0: "literal", "x": ()}, {34: "literal"}</span>
<span class="traceContains">+mem: storing 0 in location 1</span>
<span class="traceContains">+mem: storing 34 in location 2</span>
<span class="traceContains">+run: {3: ("foo" "point")} <- merge {0: "literal", "x": ()}, {15: "literal"}, {16: "literal"}</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">+run: {6: ("foo" "point")} <- merge {1: "literal", "y": ()}, {23: "literal"}</span>
<span class="traceContains">+mem: storing 1 in location 6</span>
<span class="traceContains">+mem: storing 23 in location 7</span>
<span class="traceContains">+run: return</span>
<span class="Comment"># no other stores</span>
<span class="Special">% CHECK_EQ(trace_count_prefix("mem", "storing"), 7);</span>
<span class="Delimiter">:(before "End variant_type Special-cases")</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>contains_type_ingredient<span class="Delimiter">(</span>element<span class="Delimiter">))</span>
replace_type_ingredients<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">,</span> type<span class="Delimiter">-></span>right<span class="Delimiter">,</span> info<span class="Delimiter">,</span> <span class="Constant">" while computing variant type of exclusive-container"</span><span class="Delimiter">);</span>
<span class="Delimiter">:(scenario get_on_shape_shifting_container)</span>
<span class="muData">container</span> foo:_t [
<span class="Normal">x</span>:_t
<span class="Normal">y</span>:num
]
<span class="muRecipe">def</span> 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>:num<span class="Special"> <- </span>get <span class="Constant">1</span>:foo:point<span class="Delimiter">,</span> <span class="Constant">y:offset</span>
]
<span class="traceContains">+mem: storing 16 in location 2</span>
<span class="Delimiter">:(scenario get_on_shape_shifting_container_2)</span>
<span class="muData">container</span> foo:_t [
<span class="Normal">x</span>:_t
<span class="Normal">y</span>:num
]
<span class="muRecipe">def</span> 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> <span class="Constant">x:offset</span>
]
<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>
<span class="muData">container</span> foo:_t [
<span class="Normal">x</span>:_t
<span class="Normal">y</span>:num
]
<span class="muRecipe">def</span> main [
<span class="Constant">1</span>:foo:&:point<span class="Special"> <- </span>merge <span class="Constant">34</span>/unsafe<span class="Delimiter">,</span> <span class="Constant">48</span>
<span class="Constant">3</span>:&:point<span class="Special"> <- </span>get <span class="Constant">1</span>:foo:&:point<span class="Delimiter">,</span> <span class="Constant">x:offset</span>
]
<span class="traceContains">+mem: storing 34 in location 3</span>
<span class="Delimiter">:(scenario get_on_shape_shifting_container_inside_container)</span>
<span class="muData">container</span> foo:_t [
<span class="Normal">x</span>:_t
<span class="Normal">y</span>:num
]
<span class="muData">container</span> bar [
<span class="Normal">x</span>:foo:point
<span class="Normal">y</span>:num
]
<span class="muRecipe">def</span> 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>:num<span class="Special"> <- </span>get <span class="Constant">1</span>:bar<span class="Delimiter">,</span> <span class="Constant">1:offset</span>
]
<span class="traceContains">+mem: storing 17 in location 2</span>
<span class="Delimiter">:(scenario get_on_complex_shape_shifting_container)</span>
<span class="muData">container</span> foo:_a:_b [
<span class="Normal">x</span>:_a
<span class="Normal">y</span>:_b
]
<span class="muRecipe">def</span> main [
<span class="Constant">1</span>:text<span class="Special"> <- </span><span class="Normal">new</span> [abc]
<span class="Delimiter">{</span><span class="Constant">2</span>: <span class="Delimiter">(</span>foo number <span class="Delimiter">(</span>address 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>:text/y
<span class="Constant">3</span>:text<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 array character<span class="Delimiter">))},</span> <span class="Constant">y:offset</span>
<span class="Constant">4</span>:<span class="Normal">bool</span><span class="Special"> <- </span>equal <span class="Constant">1</span>:text<span class="Delimiter">,</span> <span class="Constant">3</span>:text
]
<span class="traceContains">+mem: storing 1 in location 4</span>
<span class="Delimiter">:(before "End element_type Special-cases")</span>
replace_type_ingredients<span class="Delimiter">(</span>element<span class="Delimiter">,</span> type<span class="Delimiter">,</span> info<span class="Delimiter">,</span> <span class="Constant">" while computing element type of container"</span><span class="Delimiter">);</span>
<span class="Delimiter">:(before "Compute Container Size(element, full_type)")</span>
replace_type_ingredients<span class="Delimiter">(</span>element<span class="Delimiter">,</span> full_type<span class="Delimiter">,</span> container_info<span class="Delimiter">,</span> location_for_error_messages<span class="Delimiter">);</span>
<span class="Delimiter">:(before "Compute Exclusive Container Size(element, full_type)")</span>
replace_type_ingredients<span class="Delimiter">(</span>element<span class="Delimiter">,</span> full_type<span class="Delimiter">,</span> exclusive_container_info<span class="Delimiter">,</span> location_for_error_messages<span class="Delimiter">);</span>
<span class="Delimiter">:(before "Compute Container Address Offset(element)")</span>
replace_type_ingredients<span class="Delimiter">(</span>element<span class="Delimiter">,</span> type<span class="Delimiter">,</span> info<span class="Delimiter">,</span> location_for_error_messages<span class="Delimiter">);</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>contains_type_ingredient<span class="Delimiter">(</span>element<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// error raised elsewhere</span>
<span class="Delimiter">:(after "Compute size_of Container")</span>
assert<span class="Delimiter">(</span>!contains_type_ingredient<span class="Delimiter">(</span>type<span class="Delimiter">));</span>
<span class="Delimiter">:(after "Compute size_of Exclusive Container")</span>
assert<span class="Delimiter">(</span>!contains_type_ingredient<span class="Delimiter">(</span>type<span class="Delimiter">));</span>
<span class="Delimiter">:(code)</span>
<span class="Normal">bool</span> contains_type_ingredient<span class="Delimiter">(</span><span class="Normal">const</span> 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>
<span class="Normal">bool</span> contains_type_ingredient<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>type<span class="Delimiter">-></span>atom<span class="Delimiter">)</span> <span class="Identifier">return</span> type<span class="Delimiter">-></span>value >= START_TYPE_INGREDIENTS<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="Normal">void</span> replace_type_ingredients<span class="Delimiter">(</span>reagent& element<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree* caller_type<span class="Delimiter">,</span> <span class="Normal">const</span> type_info& info<span class="Delimiter">,</span> <span class="Normal">const</span> string& location_for_error_messages<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>contains_type_ingredient<span class="Delimiter">(</span>element<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>!caller_type<span class="Delimiter">-></span>right<span class="Delimiter">)</span>
raise << <span class="Constant">"illegal type "</span> << names_to_string<span class="Delimiter">(</span>caller_type<span class="Delimiter">)</span> << <span class="Constant">" seems to be missing a type ingredient or three"</span> << location_for_error_messages << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span>
replace_type_ingredients<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">,</span> caller_type<span class="Delimiter">-></span>right<span class="Delimiter">,</span> info<span class="Delimiter">,</span> location_for_error_messages<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
<span class="Comment">// replace all type_ingredients in element_type with corresponding elements of callsite_type</span>
<span class="Normal">void</span> replace_type_ingredients<span class="Delimiter">(</span>type_tree* element_type<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree* callsite_type<span class="Delimiter">,</span> <span class="Normal">const</span> type_info& container_info<span class="Delimiter">,</span> <span class="Normal">const</span> string& location_for_error_messages<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="Normal">if</span> <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>
<span class="Normal">if</span> <span class="Delimiter">(</span>!element_type<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>!element_type<span class="Delimiter">-></span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>element_type<span class="Delimiter">-></span>right == <span class="Constant">NULL</span> && is_type_ingredient<span class="Delimiter">(</span>element_type<span class="Delimiter">-></span>left<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span class="Normal">int</span> type_ingredient_index = to_type_ingredient_index<span class="Delimiter">(</span>element_type<span class="Delimiter">-></span>left<span class="Delimiter">);</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>corresponding<span class="Delimiter">(</span>callsite_type<span class="Delimiter">,</span> type_ingredient_index<span class="Delimiter">,</span> is_final_type_ingredient<span class="Delimiter">(</span>type_ingredient_index<span class="Delimiter">,</span> container_info<span class="Delimiter">))-></span>right<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="Comment">// replacing type ingredient at end of list, and replacement is a non-degenerate compound type -- (a b) but not (a)</span>
replace_type_ingredient_at<span class="Delimiter">(</span>type_ingredient_index<span class="Delimiter">,</span> element_type<span class="Delimiter">,</span> callsite_type<span class="Delimiter">,</span> container_info<span class="Delimiter">,</span> location_for_error_messages<span class="Delimiter">);</span>
<span class="Identifier">return</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</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> location_for_error_messages<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> location_for_error_messages<span class="Delimiter">);</span>
<span class="Identifier">return</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>is_type_ingredient<span class="Delimiter">(</span>element_type<span class="Delimiter">))</span>
replace_type_ingredient_at<span class="Delimiter">(</span>to_type_ingredient_index<span class="Delimiter">(</span>element_type<span class="Delimiter">),</span> element_type<span class="Delimiter">,</span> callsite_type<span class="Delimiter">,</span> container_info<span class="Delimiter">,</span> location_for_error_messages<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Normal">const</span> type_tree* corresponding<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">,</span> <span class="Normal">int</span> index<span class="Delimiter">,</span> <span class="Normal">bool</span> <span class="Normal">final</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">const</span> type_tree* curr = type<span class="Delimiter">;</span> curr<span class="Delimiter">;</span> curr = curr<span class="Delimiter">-></span>right<span class="Delimiter">,</span> --index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
assert_for_now<span class="Delimiter">(</span>!curr<span class="Delimiter">-></span>atom<span class="Delimiter">);</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>index == <span class="Constant">0</span><span class="Delimiter">)</span>
<span class="Identifier">return</span> <span class="Normal">final</span> ? curr : curr<span class="Delimiter">-></span>left<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
assert_for_now<span class="Delimiter">(</span><span class="Constant">false</span><span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Normal">bool</span> is_type_ingredient<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="Identifier">return</span> type<span class="Delimiter">-></span>atom && type<span class="Delimiter">-></span>value >= START_TYPE_INGREDIENTS<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Normal">int</span> to_type_ingredient_index<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
assert<span class="Delimiter">(</span>type<span class="Delimiter">-></span>atom<span class="Delimiter">);</span>
<span class="Identifier">return</span> type<span class="Delimiter">-></span>value-START_TYPE_INGREDIENTS<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Normal">void</span> replace_type_ingredient_at<span class="Delimiter">(</span><span class="Normal">const</span> <span class="Normal">int</span> type_ingredient_index<span class="Delimiter">,</span> type_tree* element_type<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree* callsite_type<span class="Delimiter">,</span> <span class="Normal">const</span> type_info& container_info<span class="Delimiter">,</span> <span class="Normal">const</span> string& location_for_error_messages<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="Normal">if</span> <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 << <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> << location_for_error_messages << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span>
<span class="Identifier">return</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
*element_type = *nth_type_ingredient<span class="Delimiter">(</span>callsite_type<span class="Delimiter">,</span> type_ingredient_index<span class="Delimiter">,</span> container_info<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Normal">const</span> type_tree* nth_type_ingredient<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* callsite_type<span class="Delimiter">,</span> <span class="Normal">int</span> type_ingredient_index<span class="Delimiter">,</span> <span class="Normal">const</span> type_info& container_info<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="Normal">bool</span> <span class="Normal">final</span> = is_final_type_ingredient<span class="Delimiter">(</span>type_ingredient_index<span class="Delimiter">,</span> container_info<span class="Delimiter">);</span>
<span class="Normal">const</span> type_tree* curr = callsite_type<span class="Delimiter">;</span>
<span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < type_ingredient_index<span class="Delimiter">;</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
assert<span class="Delimiter">(</span>curr<span class="Delimiter">);</span>
assert<span class="Delimiter">(</span>!curr<span class="Delimiter">-></span>atom<span class="Delimiter">);</span>
<span class="CommentedCode">//? cerr << "type ingredient " << i << " is " << to_string(curr->left) << '\n';</span>
curr = curr<span class="Delimiter">-></span>right<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
assert<span class="Delimiter">(</span>curr<span class="Delimiter">);</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">-></span>atom<span class="Delimiter">)</span> <span class="Identifier">return</span> curr<span class="Delimiter">;</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>!<span class="Normal">final</span><span class="Delimiter">)</span> <span class="Identifier">return</span> curr<span class="Delimiter">-></span>left<span class="Delimiter">;</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>!curr<span class="Delimiter">-></span>right<span class="Delimiter">)</span> <span class="Identifier">return</span> curr<span class="Delimiter">-></span>left<span class="Delimiter">;</span>
<span class="Identifier">return</span> curr<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Normal">bool</span> is_final_type_ingredient<span class="Delimiter">(</span><span class="Normal">int</span> type_ingredient_index<span class="Delimiter">,</span> <span class="Normal">const</span> type_info& container_info<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="Normal">for</span> <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>
<span class="Normal">if</span> <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>
<span class="Delimiter">:(before "End Unit Tests")</span>
<span class="Normal">void</span> 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:num</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>type<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>to_string<span class="Delimiter">(</span>element<span class="Delimiter">),</span> <span class="Constant">"{x: </span><span class="cSpecial">\"</span><span class="Constant">point</span><span class="cSpecial">\"</span><span class="Constant">}"</span><span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Normal">void</span> 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>type<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>to_string<span class="Delimiter">(</span>element<span class="Delimiter">),</span> <span class="Constant">"{x: (</span><span class="cSpecial">\"</span><span class="Constant">foo</span><span class="cSpecial">\"</span><span class="Constant"> </span><span class="cSpecial">\"</span><span class="Constant">point</span><span class="cSpecial">\"</span><span class="Constant">)}"</span><span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Normal">void</span> 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:array:character"</span><span class="Delimiter">);</span>
reagent element = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">.</span>type<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>to_string<span class="Delimiter">(</span>element<span class="Delimiter">),</span> <span class="Constant">"{x: (</span><span class="cSpecial">\"</span><span class="Constant">foo</span><span class="cSpecial">\"</span><span class="Constant"> </span><span class="cSpecial">\"</span><span class="Constant">address</span><span class="cSpecial">\"</span><span class="Constant"> </span><span class="cSpecial">\"</span><span class="Constant">array</span><span class="cSpecial">\"</span><span class="Constant"> </span><span class="cSpecial">\"</span><span class="Constant">character</span><span class="cSpecial">\"</span><span class="Constant">)}"</span><span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Normal">void</span> 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:num</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>type<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>to_string<span class="Delimiter">(</span>element<span class="Delimiter">),</span> <span class="Constant">"{x: (</span><span class="cSpecial">\"</span><span class="Constant">foo</span><span class="cSpecial">\"</span><span class="Constant"> </span><span class="cSpecial">\"</span><span class="Constant">address</span><span class="cSpecial">\"</span><span class="Constant"> </span><span class="cSpecial">\"</span><span class="Constant">number</span><span class="cSpecial">\"</span><span class="Constant">)}"</span><span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Normal">void</span> 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 array character))}"</span><span class="Delimiter">);</span>
reagent element1 = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">.</span>type<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>to_string<span class="Delimiter">(</span>element1<span class="Delimiter">),</span> <span class="Constant">"{x: </span><span class="cSpecial">\"</span><span class="Constant">number</span><span class="cSpecial">\"</span><span class="Constant">}"</span><span class="Delimiter">);</span>
reagent element2 = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">.</span>type<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>to_string<span class="Delimiter">(</span>element2<span class="Delimiter">),</span> <span class="Constant">"{y: (</span><span class="cSpecial">\"</span><span class="Constant">address</span><span class="cSpecial">\"</span><span class="Constant"> </span><span class="cSpecial">\"</span><span class="Constant">array</span><span class="cSpecial">\"</span><span class="Constant"> </span><span class="cSpecial">\"</span><span class="Constant">character</span><span class="cSpecial">\"</span><span class="Constant">)}"</span><span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Normal">void</span> test_replace_last_type_ingredient_inside_compound<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: (bar _a (address _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:array:character"</span><span class="Delimiter">);</span>
reagent element = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">.</span>type<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>names_to_string_without_quotes<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">),</span> <span class="Constant">"(bar number (address array character))"</span><span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Normal">void</span> 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 array character) boolean)}"</span><span class="Delimiter">);</span>
reagent element1 = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">.</span>type<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>to_string<span class="Delimiter">(</span>element1<span class="Delimiter">),</span> <span class="Constant">"{x: </span><span class="cSpecial">\"</span><span class="Constant">number</span><span class="cSpecial">\"</span><span class="Constant">}"</span><span class="Delimiter">);</span>
reagent element2 = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">.</span>type<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>to_string<span class="Delimiter">(</span>element2<span class="Delimiter">),</span> <span class="Constant">"{y: (</span><span class="cSpecial">\"</span><span class="Constant">address</span><span class="cSpecial">\"</span><span class="Constant"> </span><span class="cSpecial">\"</span><span class="Constant">array</span><span class="cSpecial">\"</span><span class="Constant"> </span><span class="cSpecial">\"</span><span class="Constant">character</span><span class="cSpecial">\"</span><span class="Constant">)}"</span><span class="Delimiter">);</span>
reagent element3 = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">.</span>type<span class="Delimiter">,</span> <span class="Constant">2</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>to_string<span class="Delimiter">(</span>element3<span class="Delimiter">),</span> <span class="Constant">"{z: </span><span class="cSpecial">\"</span><span class="Constant">boolean</span><span class="cSpecial">\"</span><span class="Constant">}"</span><span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Normal">void</span> test_replace_middle_type_ingredient_with_multiple2<span class="Delimiter">()</span> <span class="Delimiter">{</span>
run<span class="Delimiter">(</span><span class="Constant">"container foo:_key:_value [</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" key:_key</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" value:_value</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 (address array character) number)}"</span><span class="Delimiter">);</span>
reagent element = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">.</span>type<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>to_string<span class="Delimiter">(</span>element<span class="Delimiter">),</span> <span class="Constant">"{key: (</span><span class="cSpecial">\"</span><span class="Constant">address</span><span class="cSpecial">\"</span><span class="Constant"> </span><span class="cSpecial">\"</span><span class="Constant">array</span><span class="cSpecial">\"</span><span class="Constant"> </span><span class="cSpecial">\"</span><span class="Constant">character</span><span class="cSpecial">\"</span><span class="Constant">)}"</span><span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Normal">void</span> test_replace_middle_type_ingredient_with_multiple3<span class="Delimiter">()</span> <span class="Delimiter">{</span>
run<span class="Delimiter">(</span><span class="Constant">"container foo_table:_key:_value [</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" data:&:@:foo_table_row:_key:_value</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">"</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">"container foo_table_row:_key:_value [</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" key:_key</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" value:_value</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_table (address array character) number)}"</span><span class="Delimiter">);</span>
reagent element = element_type<span class="Delimiter">(</span>callsite<span class="Delimiter">.</span>type<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>to_string<span class="Delimiter">(</span>element<span class="Delimiter">),</span> <span class="Constant">"{data: (</span><span class="cSpecial">\"</span><span class="Constant">address</span><span class="cSpecial">\"</span><span class="Constant"> </span><span class="cSpecial">\"</span><span class="Constant">array</span><span class="cSpecial">\"</span><span class="Constant"> </span><span class="cSpecial">\"</span><span class="Constant">foo_table_row</span><span class="cSpecial">\"</span><span class="Constant"> (</span><span class="cSpecial">\"</span><span class="Constant">address</span><span class="cSpecial">\"</span><span class="Constant"> </span><span class="cSpecial">\"</span><span class="Constant">array</span><span class="cSpecial">\"</span><span class="Constant"> </span><span class="cSpecial">\"</span><span class="Constant">character</span><span class="cSpecial">\"</span><span class="Constant">) </span><span class="cSpecial">\"</span><span class="Constant">number</span><span class="cSpecial">\"</span><span class="Constant">)}"</span><span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(code)</span>
<span class="Normal">bool</span> has_nth_type<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* base<span class="Delimiter">,</span> <span class="Normal">int</span> n<span class="Delimiter">)</span> <span class="Delimiter">{</span>
assert<span class="Delimiter">(</span>n >= <span class="Constant">0</span><span class="Delimiter">);</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>!base<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
<span class="Normal">if</span> <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>
<span class="muData">container</span> foo:_t [
<span class="Normal">x</span>:_t
<span class="Normal">y</span>:num
]
<span class="muRecipe">def</span> 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>:num<span class="Special"> <- </span>get <span class="Constant">10</span>:foo<span class="Delimiter">,</span> <span class="Constant">1:offset</span>
]
<span class="traceContains">+error: illegal type "foo" seems to be missing a type ingredient or three in '1:num <- get 10:foo, 1:offset'</span>
<span class="SalientComment">//:: fix up previous layers</span>
<span class="Comment">//: We have two transforms in previous layers -- for computing sizes and</span>
<span class="Comment">//: offsets containing addresses for containers and exclusive containers --</span>
<span class="Comment">//: that we need to teach about type ingredients.</span>
<span class="Delimiter">:(before "End compute_container_sizes Non-atom Special-cases")</span>
<span class="Normal">const</span> type_tree* root = get_base_type<span class="Delimiter">(</span>type<span class="Delimiter">);</span>
type_info& info = get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> root<span class="Delimiter">-></span>value<span class="Delimiter">);</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == CONTAINER<span class="Delimiter">)</span> <span class="Delimiter">{</span>
compute_container_sizes<span class="Delimiter">(</span>info<span class="Delimiter">,</span> type<span class="Delimiter">,</span> pending_metadata<span class="Delimiter">,</span> location_for_error_messages<span class="Delimiter">);</span>
<span class="Identifier">return</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == EXCLUSIVE_CONTAINER<span class="Delimiter">)</span> <span class="Delimiter">{</span>
compute_exclusive_container_sizes<span class="Delimiter">(</span>info<span class="Delimiter">,</span> type<span class="Delimiter">,</span> pending_metadata<span class="Delimiter">,</span> location_for_error_messages<span class="Delimiter">);</span>
<span class="Identifier">return</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(before "End Unit Tests")</span>
<span class="Normal">void</span> test_container_sizes_shape_shifting_container<span class="Delimiter">()</span> <span class="Delimiter">{</span>
run<span class="Delimiter">(</span><span class="Constant">"container foo:_t [</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" x:num</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" y:_t</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 r<span class="Delimiter">(</span><span class="Constant">"x:foo:point"</span><span class="Delimiter">);</span>
compute_container_sizes<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">""</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>r<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span>size<span class="Delimiter">,</span> <span class="Constant">3</span><span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Normal">void</span> test_container_sizes_shape_shifting_exclusive_container<span class="Delimiter">()</span> <span class="Delimiter">{</span>
run<span class="Delimiter">(</span><span class="Constant">"exclusive-container foo:_t [</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" x:num</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" y:_t</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 r<span class="Delimiter">(</span><span class="Constant">"x:foo:point"</span><span class="Delimiter">);</span>
compute_container_sizes<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">""</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>r<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span>size<span class="Delimiter">,</span> <span class="Constant">3</span><span class="Delimiter">);</span>
reagent r2<span class="Delimiter">(</span><span class="Constant">"x:foo:num"</span><span class="Delimiter">);</span>
compute_container_sizes<span class="Delimiter">(</span>r2<span class="Delimiter">,</span> <span class="Constant">""</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>r2<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span>size<span class="Delimiter">,</span> <span class="Constant">2</span><span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Normal">void</span> test_container_sizes_compound_type_ingredient<span class="Delimiter">()</span> <span class="Delimiter">{</span>
run<span class="Delimiter">(</span><span class="Constant">"container foo:_t [</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" x:num</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" y:_t</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 r<span class="Delimiter">(</span><span class="Constant">"x:foo:&:point"</span><span class="Delimiter">);</span>
compute_container_sizes<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">""</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>r<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span>size<span class="Delimiter">,</span> <span class="Constant">2</span><span class="Delimiter">);</span>
<span class="Comment">// scan also pre-computes metadata for type ingredient</span>
reagent point<span class="Delimiter">(</span><span class="Constant">"x:point"</span><span class="Delimiter">);</span>
CHECK<span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Container_metadata<span class="Delimiter">,</span> point<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
CHECK_EQ<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Container_metadata<span class="Delimiter">,</span> point<span class="Delimiter">.</span>type<span class="Delimiter">).</span>size<span class="Delimiter">,</span> <span class="Constant">2</span><span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Normal">void</span> test_container_sizes_recursive_shape_shifting_container<span class="Delimiter">()</span> <span class="Delimiter">{</span>
run<span class="Delimiter">(</span><span class="Constant">"container foo:_t [</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" x:num</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" y:&:foo:_t</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 r2<span class="Delimiter">(</span><span class="Constant">"x:foo:num"</span><span class="Delimiter">);</span>
compute_container_sizes<span class="Delimiter">(</span>r2<span class="Delimiter">,</span> <span class="Constant">""</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>r2<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span>size<span class="Delimiter">,</span> <span class="Constant">2</span><span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(before "End compute_container_address_offsets Non-atom Special-cases")</span>
<span class="Normal">const</span> type_tree* root = get_base_type<span class="Delimiter">(</span>type<span class="Delimiter">);</span>
type_info& info = get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> root<span class="Delimiter">-></span>value<span class="Delimiter">);</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == CONTAINER<span class="Delimiter">)</span> <span class="Delimiter">{</span>
compute_container_address_offsets<span class="Delimiter">(</span>info<span class="Delimiter">,</span> type<span class="Delimiter">,</span> location_for_error_messages<span class="Delimiter">);</span>
<span class="Identifier">return</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Normal">if</span> <span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == EXCLUSIVE_CONTAINER<span class="Delimiter">)</span> <span class="Delimiter">{</span>
compute_exclusive_container_address_offsets<span class="Delimiter">(</span>info<span class="Delimiter">,</span> type<span class="Delimiter">,</span> location_for_error_messages<span class="Delimiter">);</span>
<span class="Identifier">return</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(before "End Unit Tests")</span>
<span class="Normal">void</span> test_container_address_offsets_in_shape_shifting_container<span class="Delimiter">()</span> <span class="Delimiter">{</span>
run<span class="Delimiter">(</span><span class="Constant">"container foo:_t [</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" x:num</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" y:_t</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 r<span class="Delimiter">(</span><span class="Constant">"x:foo:&:num"</span><span class="Delimiter">);</span>
compute_container_sizes<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">""</span><span class="Delimiter">);</span>
compute_container_address_offsets<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">""</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>r<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span>address<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
CHECK<span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>r<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span>address<span class="Delimiter">,</span> set<tag_condition_info><span class="Delimiter">()));</span>
set<address_element_info>& offset_info = get<span class="Delimiter">(</span>r<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span>address<span class="Delimiter">,</span> set<tag_condition_info><span class="Delimiter">());</span>
CHECK_EQ<span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>offset_info<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>offset_info<span class="Delimiter">.</span>begin<span class="Delimiter">()-></span>offset<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span> <span class="Comment">//</span>
CHECK<span class="Delimiter">(</span>offset_info<span class="Delimiter">.</span>begin<span class="Delimiter">()-></span>payload_type<span class="Delimiter">-></span>atom<span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>offset_info<span class="Delimiter">.</span>begin<span class="Delimiter">()-></span>payload_type<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"number"</span><span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Normal">void</span> test_container_address_offsets_in_nested_shape_shifting_container<span class="Delimiter">()</span> <span class="Delimiter">{</span>
run<span class="Delimiter">(</span><span class="Constant">"container foo:_t [</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" x:num</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" y:_t</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:_t [</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" x:_t</span><span class="cSpecial">\n</span><span class="Constant">"</span>
<span class="Constant">" y:foo:_t</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 r<span class="Delimiter">(</span><span class="Constant">"x:bar:&:num"</span><span class="Delimiter">);</span>
CLEAR_TRACE<span class="Delimiter">;</span>
compute_container_sizes<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">""</span><span class="Delimiter">);</span>
compute_container_address_offsets<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">""</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>r<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span>address<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
CHECK<span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>r<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span>address<span class="Delimiter">,</span> set<tag_condition_info><span class="Delimiter">()));</span>
set<address_element_info>& offset_info = get<span class="Delimiter">(</span>r<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span>address<span class="Delimiter">,</span> set<tag_condition_info><span class="Delimiter">());</span>
CHECK_EQ<span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>offset_info<span class="Delimiter">),</span> <span class="Constant">2</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>offset_info<span class="Delimiter">.</span>begin<span class="Delimiter">()-></span>offset<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span> <span class="Comment">//</span>
CHECK<span class="Delimiter">(</span>offset_info<span class="Delimiter">.</span>begin<span class="Delimiter">()-></span>payload_type<span class="Delimiter">-></span>atom<span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">(</span>offset_info<span class="Delimiter">.</span>begin<span class="Delimiter">()-></span>payload_type<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"number"</span><span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">((</span>++offset_info<span class="Delimiter">.</span>begin<span class="Delimiter">())-></span>offset<span class="Delimiter">,</span> <span class="Constant">2</span><span class="Delimiter">);</span> <span class="Comment">//</span>
CHECK<span class="Delimiter">((</span>++offset_info<span class="Delimiter">.</span>begin<span class="Delimiter">())-></span>payload_type<span class="Delimiter">-></span>atom<span class="Delimiter">);</span>
CHECK_EQ<span class="Delimiter">((</span>++offset_info<span class="Delimiter">.</span>begin<span class="Delimiter">())-></span>payload_type<span class="Delimiter">-></span>name<span class="Delimiter">,</span> <span class="Constant">"number"</span><span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="SalientComment">//:: 'merge' on shape-shifting containers</span>
<span class="Delimiter">:(scenario merge_check_shape_shifting_container_containing_exclusive_container)</span>
<span class="muData">container</span> foo:_elem [
<span class="Normal">x</span>:num
<span class="Normal">y</span>:_elem
]
<span class="muData">exclusive-container</span> bar [
<span class="Normal">x</span>:num
<span class="Normal">y</span>:num
]
<span class="muRecipe">def</span> 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>
<span class="muData">container</span> foo:_elem [
<span class="Normal">x</span>:num
<span class="Normal">y</span>:_elem
]
<span class="muData">exclusive-container</span> bar [
<span class="Normal">x</span>:num
<span class="Normal">y</span>:num
]
<span class="muRecipe">def</span> 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>
<span class="muData">exclusive-container</span> foo:_elem [
<span class="Normal">x</span>:num
<span class="Normal">y</span>:_elem
]
<span class="muData">container</span> bar [
<span class="Normal">x</span>:num
<span class="Normal">y</span>:num
]
<span class="muRecipe">def</span> 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>
<span class="muData">exclusive-container</span> foo:_elem [
<span class="Normal">x</span>:num
<span class="Normal">y</span>:_elem
]
<span class="muData">container</span> bar [
<span class="Normal">x</span>:num
<span class="Normal">y</span>:num
]
<span class="muRecipe">def</span> 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>
<span class="muData">exclusive-container</span> foo:_elem [
<span class="Normal">x</span>:num
<span class="Normal">y</span>:_elem
]
<span class="muData">container</span> bar [
<span class="Normal">x</span>:num
<span class="Normal">y</span>:num
]
<span class="muRecipe">def</span> 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>
</pre>
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