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<span class="Comment">//: Textual form for types.</span>
<span class="Delimiter">:(scenarios load)</span>
<span class="Delimiter">:(scenario container)</span>
container foo [
x:integer
y:integer
]
<span class="traceContains">+parse: reading container foo</span>
<span class="traceContains">+parse: element name: x</span>
<span class="traceContains">+parse: type: 1</span>
<span class="traceContains">+parse: element name: y</span>
<span class="traceContains">+parse: type: 1</span>
<span class="Delimiter">:(before "End Command Handlers")</span>
else if <span class="Delimiter">(</span>command == <span class="Constant">"container"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
insert_container<span class="Delimiter">(</span>command<span class="Delimiter">,</span> container<span class="Delimiter">,</span> in<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(code)</span>
void insert_container<span class="Delimiter">(</span>const string& command<span class="Delimiter">,</span> kind_of_type kind<span class="Delimiter">,</span> istream& in<span class="Delimiter">)</span> <span class="Delimiter">{</span>
skip_whitespace<span class="Delimiter">(</span>in<span class="Delimiter">);</span>
string name = next_word<span class="Delimiter">(</span>in<span class="Delimiter">);</span>
trace<span class="Delimiter">(</span><span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"reading "</span> << command << <span class="Constant">' '</span> << name<span class="Delimiter">;</span>
<span class="CommentedCode">//? cout << name << '\n'; //? 1</span>
assert<span class="Delimiter">(</span>Type_number<span class="Delimiter">.</span>find<span class="Delimiter">(</span>name<span class="Delimiter">)</span> == Type_number<span class="Delimiter">.</span>end<span class="Delimiter">());</span>
Type_number[name] = Next_type_number++<span class="Delimiter">;</span>
skip_bracket<span class="Delimiter">(</span>in<span class="Delimiter">,</span> <span class="Constant">"'container' must begin with '['"</span><span class="Delimiter">);</span>
assert<span class="Delimiter">(</span>Type<span class="Delimiter">.</span>find<span class="Delimiter">(</span>Type_number[name]<span class="Delimiter">)</span> == Type<span class="Delimiter">.</span>end<span class="Delimiter">());</span>
type_info& t = Type[Type_number[name]]<span class="Delimiter">;</span>
recently_added_types<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>Type_number[name]<span class="Delimiter">);</span>
t<span class="Delimiter">.</span>name = name<span class="Delimiter">;</span>
t<span class="Delimiter">.</span>kind = kind<span class="Delimiter">;</span>
while <span class="Delimiter">(</span>!in<span class="Delimiter">.</span>eof<span class="Delimiter">())</span> <span class="Delimiter">{</span>
skip_whitespace_and_comments<span class="Delimiter">(</span>in<span class="Delimiter">);</span>
string element = next_word<span class="Delimiter">(</span>in<span class="Delimiter">);</span>
if <span class="Delimiter">(</span>element == <span class="Constant">"]"</span><span class="Delimiter">)</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
istringstream inner<span class="Delimiter">(</span>element<span class="Delimiter">);</span>
t<span class="Delimiter">.</span>element_names<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>slurp_until<span class="Delimiter">(</span>inner<span class="Delimiter">,</span> <span class="Constant">':'</span><span class="Delimiter">));</span>
trace<span class="Delimiter">(</span><span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">" element name: "</span> << t<span class="Delimiter">.</span>element_names<span class="Delimiter">.</span>back<span class="Delimiter">();</span>
vector<type_number> types<span class="Delimiter">;</span>
while <span class="Delimiter">(</span>!inner<span class="Delimiter">.</span>eof<span class="Delimiter">())</span> <span class="Delimiter">{</span>
string type_name = slurp_until<span class="Delimiter">(</span>inner<span class="Delimiter">,</span> <span class="Constant">':'</span><span class="Delimiter">);</span>
if <span class="Delimiter">(</span>Type_number<span class="Delimiter">.</span>find<span class="Delimiter">(</span>type_name<span class="Delimiter">)</span> == Type_number<span class="Delimiter">.</span>end<span class="Delimiter">())</span>
raise << <span class="Constant">"unknown type "</span> << type_name << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
types<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>Type_number[type_name]<span class="Delimiter">);</span>
trace<span class="Delimiter">(</span><span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">" type: "</span> << types<span class="Delimiter">.</span>back<span class="Delimiter">();</span>
<span class="Delimiter">}</span>
t<span class="Delimiter">.</span>elements<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>types<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
assert<span class="Delimiter">(</span>t<span class="Delimiter">.</span>elements<span class="Delimiter">.</span>size<span class="Delimiter">()</span> == t<span class="Delimiter">.</span>element_names<span class="Delimiter">.</span>size<span class="Delimiter">());</span>
t<span class="Delimiter">.</span>size = t<span class="Delimiter">.</span>elements<span class="Delimiter">.</span>size<span class="Delimiter">();</span>
<span class="Delimiter">}</span>
<span class="SalientComment">//:: Similarly for exclusive_container.</span>
<span class="Delimiter">:(scenario exclusive_container)</span>
exclusive-container foo [
x:integer
y:integer
]
<span class="traceContains">+parse: reading exclusive-container foo</span>
<span class="traceContains">+parse: element name: x</span>
<span class="traceContains">+parse: type: 1</span>
<span class="traceContains">+parse: element name: y</span>
<span class="traceContains">+parse: type: 1</span>
<span class="Delimiter">:(before "End Command Handlers")</span>
else if <span class="Delimiter">(</span>command == <span class="Constant">"exclusive-container"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
insert_container<span class="Delimiter">(</span>command<span class="Delimiter">,</span> exclusive_container<span class="Delimiter">,</span> in<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="SalientComment">//:: ensure types created in one scenario don't leak outside it.</span>
<span class="Delimiter">:(before "End Globals")</span>
vector<type_number> recently_added_types<span class="Delimiter">;</span>
<span class="Delimiter">:(before "End Setup")</span>
for <span class="Delimiter">(</span>index_t i = <span class="Constant">0</span><span class="Delimiter">;</span> i < recently_added_types<span class="Delimiter">.</span>size<span class="Delimiter">();</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="CommentedCode">//? cout << "erasing " << Type[recently_added_types[i]].name << '\n'; //? 1</span>
Type_number<span class="Delimiter">.</span>erase<span class="Delimiter">(</span>Type[recently_added_types[i]]<span class="Delimiter">.</span>name<span class="Delimiter">);</span>
Type<span class="Delimiter">.</span>erase<span class="Delimiter">(</span>recently_added_types[i]<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
recently_added_types<span class="Delimiter">.</span>clear<span class="Delimiter">();</span>
<span class="Comment">//: lastly, ensure scenarios are consistent by always starting them at the</span>
<span class="Comment">//: same type number.</span>
Next_type_number = <span class="Constant">1000</span><span class="Delimiter">;</span>
<span class="Delimiter">:(before "End Test Run Initialization")</span>
assert<span class="Delimiter">(</span>Next_type_number < <span class="Constant">1000</span><span class="Delimiter">);</span>
<span class="Delimiter">:(before "End Setup")</span>
Next_type_number = <span class="Constant">1000</span><span class="Delimiter">;</span>
<span class="Delimiter">:(code)</span>
void skip_bracket<span class="Delimiter">(</span>istream& in<span class="Delimiter">,</span> string message<span class="Delimiter">)</span> <span class="Delimiter">{</span>
skip_whitespace_and_comments<span class="Delimiter">(</span>in<span class="Delimiter">);</span>
if <span class="Delimiter">(</span>in<span class="Delimiter">.</span>get<span class="Delimiter">()</span> != <span class="Constant">'['</span><span class="Delimiter">)</span>
raise << message << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
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