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<span class="Comment">//: Phase 1 of running mu code: load it from a textual representation.</span>
<span class="Delimiter">:(scenarios load)</span> <span class="Comment">// use 'load' instead of 'run' in all scenarios in this layer</span>
<span class="Delimiter">:(scenario first_recipe)</span>
recipe main [
<span class="Constant">1</span>:number<span class="Special"> <- </span>copy <span class="Constant">23</span>:literal
]
<span class="traceContains">+parse: instruction: copy</span>
<span class="traceContains">+parse: ingredient: {name: "23", properties: ["23": "literal"]}</span>
<span class="traceContains">+parse: product: {name: "1", properties: ["1": "number"]}</span>
<span class="Delimiter">:(code)</span>
vector<recipe_number> load<span class="Delimiter">(</span>string form<span class="Delimiter">)</span> <span class="Delimiter">{</span>
istringstream in<span class="Delimiter">(</span>form<span class="Delimiter">);</span>
in >> std::noskipws<span class="Delimiter">;</span>
<span class="Identifier">return</span> load<span class="Delimiter">(</span>in<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
vector<recipe_number> load<span class="Delimiter">(</span>istream& in<span class="Delimiter">)</span> <span class="Delimiter">{</span>
in >> std::noskipws<span class="Delimiter">;</span>
vector<recipe_number> result<span class="Delimiter">;</span>
while <span class="Delimiter">(</span>!in<span class="Delimiter">.</span>eof<span class="Delimiter">())</span> <span class="Delimiter">{</span>
<span class="CommentedCode">//? cerr << "===\n"; //? 1</span>
skip_whitespace_and_comments<span class="Delimiter">(</span>in<span class="Delimiter">);</span>
if <span class="Delimiter">(</span>in<span class="Delimiter">.</span>eof<span class="Delimiter">())</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
string command = next_word<span class="Delimiter">(</span>in<span class="Delimiter">);</span>
<span class="Comment">// Command Handlers</span>
if <span class="Delimiter">(</span>command == <span class="Constant">"recipe"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
string recipe_name = next_word<span class="Delimiter">(</span>in<span class="Delimiter">);</span>
<span class="CommentedCode">//? cerr << "recipe: " << recipe_name << '\n'; //? 1</span>
if <span class="Delimiter">(</span>recipe_name<span class="Delimiter">.</span>empty<span class="Delimiter">())</span>
raise << <span class="Constant">"empty recipe name</span><span class="cSpecial">\n</span><span class="Constant">"</span><span class="Delimiter">;</span>
if <span class="Delimiter">(</span>Recipe_number<span class="Delimiter">.</span>find<span class="Delimiter">(</span>recipe_name<span class="Delimiter">)</span> == Recipe_number<span class="Delimiter">.</span>end<span class="Delimiter">())</span> <span class="Delimiter">{</span>
Recipe_number[recipe_name] = Next_recipe_number++<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
if <span class="Delimiter">(</span>Recipe<span class="Delimiter">.</span>find<span class="Delimiter">(</span>Recipe_number[recipe_name]<span class="Delimiter">)</span> != Recipe<span class="Delimiter">.</span>end<span class="Delimiter">())</span> <span class="Delimiter">{</span>
raise << <span class="Constant">"redefining recipe "</span> << Recipe[Recipe_number[recipe_name]]<span class="Delimiter">.</span>name << <span class="Constant">"</span><span class="cSpecial">\n</span><span class="Constant">"</span><span class="Delimiter">;</span>
Recipe<span class="Delimiter">.</span>erase<span class="Delimiter">(</span>Recipe_number[recipe_name]<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Comment">// todo: save user-defined recipes to mu's memory</span>
Recipe[Recipe_number[recipe_name]] = slurp_recipe<span class="Delimiter">(</span>in<span class="Delimiter">);</span>
<span class="CommentedCode">//? cerr << Recipe_number[recipe_name] << ": " << recipe_name << '\n'; //? 1</span>
Recipe[Recipe_number[recipe_name]]<span class="Delimiter">.</span>name = recipe_name<span class="Delimiter">;</span>
<span class="Comment">// track added recipes because we may need to undo them in tests; see below</span>
recently_added_recipes<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>Recipe_number[recipe_name]<span class="Delimiter">);</span>
result<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>Recipe_number[recipe_name]<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Comment">// End Command Handlers</span>
else <span class="Delimiter">{</span>
raise << <span class="Constant">"unknown top-level command: "</span> << command << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
<span class="Comment">// End Load Sanity Checks</span>
<span class="Identifier">return</span> result<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
recipe slurp_recipe<span class="Delimiter">(</span>istream& in<span class="Delimiter">)</span> <span class="Delimiter">{</span>
recipe result<span class="Delimiter">;</span>
skip_whitespace<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 << <span class="Constant">"recipe body must begin with '['</span><span class="cSpecial">\n</span><span class="Constant">"</span><span class="Delimiter">;</span>
skip_whitespace_and_comments<span class="Delimiter">(</span>in<span class="Delimiter">);</span>
instruction curr<span class="Delimiter">;</span>
while <span class="Delimiter">(</span>next_instruction<span class="Delimiter">(</span>in<span class="Delimiter">,</span> &curr<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span class="Comment">// End Rewrite Instruction(curr)</span>
<span class="CommentedCode">//? cerr << "instruction: " << curr.to_string() << '\n'; //? 2</span>
result<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>curr<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Identifier">return</span> result<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
bool next_instruction<span class="Delimiter">(</span>istream& in<span class="Delimiter">,</span> instruction* curr<span class="Delimiter">)</span> <span class="Delimiter">{</span>
in >> std::noskipws<span class="Delimiter">;</span>
curr<span class="Delimiter">-></span>clear<span class="Delimiter">();</span>
if <span class="Delimiter">(</span>in<span class="Delimiter">.</span>eof<span class="Delimiter">())</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
<span class="CommentedCode">//? show_rest_of_stream(in); //? 1</span>
skip_whitespace<span class="Delimiter">(</span>in<span class="Delimiter">);</span> if <span class="Delimiter">(</span>in<span class="Delimiter">.</span>eof<span class="Delimiter">())</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
<span class="CommentedCode">//? show_rest_of_stream(in); //? 1</span>
skip_whitespace_and_comments<span class="Delimiter">(</span>in<span class="Delimiter">);</span> if <span class="Delimiter">(</span>in<span class="Delimiter">.</span>eof<span class="Delimiter">())</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
vector<string> words<span class="Delimiter">;</span>
<span class="CommentedCode">//? show_rest_of_stream(in); //? 1</span>
while <span class="Delimiter">(</span>in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> != <span class="cSpecial">'\n'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
skip_whitespace<span class="Delimiter">(</span>in<span class="Delimiter">);</span> if <span class="Delimiter">(</span>in<span class="Delimiter">.</span>eof<span class="Delimiter">())</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
<span class="CommentedCode">//? show_rest_of_stream(in); //? 1</span>
string word = next_word<span class="Delimiter">(</span>in<span class="Delimiter">);</span> if <span class="Delimiter">(</span>in<span class="Delimiter">.</span>eof<span class="Delimiter">())</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
<span class="CommentedCode">//? cerr << "AAA: " << word << '\n'; //? 1</span>
words<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>word<span class="Delimiter">);</span>
skip_whitespace<span class="Delimiter">(</span>in<span class="Delimiter">);</span> if <span class="Delimiter">(</span>in<span class="Delimiter">.</span>eof<span class="Delimiter">())</span> <span class="Identifier">return</span> <span class="Constant">false</span><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>eof<span class="Delimiter">())</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
<span class="CommentedCode">//? if (SIZE(words) == 1) cout << words.at(0) << ' ' << SIZE(words.at(0)) << '\n'; //? 1</span>
if <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>words<span class="Delimiter">)</span> == <span class="Constant">1</span> && words<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> == <span class="Constant">"]"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="CommentedCode">//? cout << "AAA\n"; //? 1</span>
<span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span> <span class="Comment">// end of recipe</span>
<span class="Delimiter">}</span>
if <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>words<span class="Delimiter">)</span> == <span class="Constant">1</span> && !isalnum<span class="Delimiter">(</span>words<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> && words<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> != <span class="Constant">'$'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
curr<span class="Delimiter">-></span>is_label = <span class="Constant">true</span><span class="Delimiter">;</span>
curr<span class="Delimiter">-></span>label = words<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
trace<span class="Delimiter">(</span><span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"label: "</span> << curr<span class="Delimiter">-></span>label<span class="Delimiter">;</span>
<span class="Identifier">return</span> !in<span class="Delimiter">.</span>eof<span class="Delimiter">();</span>
<span class="Delimiter">}</span>
vector<string>::iterator p = words<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>
if <span class="Delimiter">(</span>find<span class="Delimiter">(</span>words<span class="Delimiter">.</span>begin<span class="Delimiter">(),</span> words<span class="Delimiter">.</span>end<span class="Delimiter">(),</span> <span class="Constant">"<-"</span><span class="Delimiter">)</span> != words<span class="Delimiter">.</span>end<span class="Delimiter">())</span> <span class="Delimiter">{</span>
for <span class="Delimiter">(;</span> *p != <span class="Constant">"<-"</span><span class="Delimiter">;</span> ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
if <span class="Delimiter">(</span>*p == <span class="Constant">","</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
curr<span class="Delimiter">-></span>products<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>reagent<span class="Delimiter">(</span>*p<span class="Delimiter">));</span>
<span class="CommentedCode">//? cerr << "product: " << curr->products.back().to_string() << '\n'; //? 1</span>
<span class="Delimiter">}</span>
++p<span class="Delimiter">;</span> <span class="Comment">// skip <-</span>
<span class="Delimiter">}</span>
if <span class="Delimiter">(</span>p == words<span class="Delimiter">.</span>end<span class="Delimiter">())</span>
raise << <span class="Constant">"instruction prematurely ended with '<-'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << die<span class="Delimiter">();</span>
curr<span class="Delimiter">-></span>name = *p<span class="Delimiter">;</span>
if <span class="Delimiter">(</span>Recipe_number<span class="Delimiter">.</span>find<span class="Delimiter">(</span>*p<span class="Delimiter">)</span> == Recipe_number<span class="Delimiter">.</span>end<span class="Delimiter">())</span> <span class="Delimiter">{</span>
Recipe_number[*p] = Next_recipe_number++<span class="Delimiter">;</span>
<span class="CommentedCode">//? cout << "AAA: " << *p << " is now " << Recipe_number[*p] << '\n'; //? 1</span>
<span class="Delimiter">}</span>
if <span class="Delimiter">(</span>Recipe_number[*p] == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
raise << <span class="Constant">"Recipe "</span> << *p << <span class="Constant">" has number 0, which is reserved for IDLE.</span><span class="cSpecial">\n</span><span class="Constant">"</span> << die<span class="Delimiter">();</span>
<span class="Delimiter">}</span>
curr<span class="Delimiter">-></span>operation = Recipe_number[*p]<span class="Delimiter">;</span> ++p<span class="Delimiter">;</span>
for <span class="Delimiter">(;</span> p != words<span class="Delimiter">.</span>end<span class="Delimiter">();</span> ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
if <span class="Delimiter">(</span>*p == <span class="Constant">","</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
curr<span class="Delimiter">-></span>ingredients<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>reagent<span class="Delimiter">(</span>*p<span class="Delimiter">));</span>
<span class="CommentedCode">//? cerr << "ingredient: " << curr->ingredients.back().to_string() << '\n'; //? 1</span>
<span class="Delimiter">}</span>
trace<span class="Delimiter">(</span><span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"instruction: "</span> << curr<span class="Delimiter">-></span>name<span class="Delimiter">;</span>
for <span class="Delimiter">(</span>vector<reagent>::iterator p = curr<span class="Delimiter">-></span>ingredients<span class="Delimiter">.</span>begin<span class="Delimiter">();</span> p != curr<span class="Delimiter">-></span>ingredients<span class="Delimiter">.</span>end<span class="Delimiter">();</span> ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
trace<span class="Delimiter">(</span><span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">" ingredient: "</span> << p<span class="Delimiter">-></span>to_string<span class="Delimiter">();</span>
<span class="Delimiter">}</span>
for <span class="Delimiter">(</span>vector<reagent>::iterator p = curr<span class="Delimiter">-></span>products<span class="Delimiter">.</span>begin<span class="Delimiter">();</span> p != curr<span class="Delimiter">-></span>products<span class="Delimiter">.</span>end<span class="Delimiter">();</span> ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
trace<span class="Delimiter">(</span><span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">" product: "</span> << p<span class="Delimiter">-></span>to_string<span class="Delimiter">();</span>
<span class="Delimiter">}</span>
<span class="Identifier">return</span> !in<span class="Delimiter">.</span>eof<span class="Delimiter">();</span>
<span class="Delimiter">}</span>
string next_word<span class="Delimiter">(</span>istream& in<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="CommentedCode">//? cout << "AAA next_word\n"; //? 1</span>
ostringstream out<span class="Delimiter">;</span>
skip_whitespace<span class="Delimiter">(</span>in<span class="Delimiter">);</span>
slurp_word<span class="Delimiter">(</span>in<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
skip_whitespace<span class="Delimiter">(</span>in<span class="Delimiter">);</span>
skip_comment<span class="Delimiter">(</span>in<span class="Delimiter">);</span>
<span class="CommentedCode">//? cerr << '^' << out.str() << "$\n"; //? 1</span>
<span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
<span class="Delimiter">}</span>
void slurp_word<span class="Delimiter">(</span>istream& in<span class="Delimiter">,</span> ostream& out<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="CommentedCode">//? cout << "AAA slurp_word\n"; //? 1</span>
char c<span class="Delimiter">;</span>
if <span class="Delimiter">(</span>in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> == <span class="Constant">','</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
in >> c<span class="Delimiter">;</span>
out << c<span class="Delimiter">;</span>
<span class="Identifier">return</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
while <span class="Delimiter">(</span>in >> c<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="CommentedCode">//? cout << c << '\n'; //? 1</span>
if <span class="Delimiter">(</span>isspace<span class="Delimiter">(</span>c<span class="Delimiter">)</span> || c == <span class="Constant">','</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
in<span class="Delimiter">.</span>putback<span class="Delimiter">(</span>c<span class="Delimiter">);</span>
<span class="Identifier">break</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
out << c<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
void skip_whitespace<span class="Delimiter">(</span>istream& in<span class="Delimiter">)</span> <span class="Delimiter">{</span>
while <span class="Delimiter">(</span>isspace<span class="Delimiter">(</span>in<span class="Delimiter">.</span>peek<span class="Delimiter">())</span> && in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> != <span class="cSpecial">'\n'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
in<span class="Delimiter">.</span>get<span class="Delimiter">();</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
void skip_whitespace_and_comments<span class="Delimiter">(</span>istream& in<span class="Delimiter">)</span> <span class="Delimiter">{</span>
while <span class="Delimiter">(</span><span class="Constant">true</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
if <span class="Delimiter">(</span>isspace<span class="Delimiter">(</span>in<span class="Delimiter">.</span>peek<span class="Delimiter">()))</span> in<span class="Delimiter">.</span>get<span class="Delimiter">();</span>
else if <span class="Delimiter">(</span>in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> == <span class="Constant">'#'</span><span class="Delimiter">)</span> skip_comment<span class="Delimiter">(</span>in<span class="Delimiter">);</span>
else <span class="Identifier">break</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
void skip_comment<span class="Delimiter">(</span>istream& in<span class="Delimiter">)</span> <span class="Delimiter">{</span>
if <span class="Delimiter">(</span>in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> == <span class="Constant">'#'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
in<span class="Delimiter">.</span>get<span class="Delimiter">();</span>
while <span class="Delimiter">(</span>in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> != <span class="cSpecial">'\n'</span><span class="Delimiter">)</span> in<span class="Delimiter">.</span>get<span class="Delimiter">();</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
void skip_comma<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>
if <span class="Delimiter">(</span>in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> == <span class="Constant">','</span><span class="Delimiter">)</span> in<span class="Delimiter">.</span>get<span class="Delimiter">();</span>
skip_whitespace<span class="Delimiter">(</span>in<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Comment">// for debugging</span>
<span class="Delimiter">:(before "End Globals")</span>
bool Show_rest_of_stream = <span class="Constant">false</span><span class="Delimiter">;</span>
<span class="Delimiter">:(code)</span>
void show_rest_of_stream<span class="Delimiter">(</span>istream& in<span class="Delimiter">)</span> <span class="Delimiter">{</span>
if <span class="Delimiter">(</span>!Show_rest_of_stream<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
cerr << <span class="Constant">'^'</span><span class="Delimiter">;</span>
char c<span class="Delimiter">;</span>
while <span class="Delimiter">(</span>in >> c<span class="Delimiter">)</span> <span class="Delimiter">{</span>
cerr << c<span class="Delimiter">;</span>
<span class="Delimiter">}</span>
cerr << <span class="Constant">"$</span><span class="cSpecial">\n</span><span class="Constant">"</span><span class="Delimiter">;</span>
exit<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Comment">//: Have tests clean up any recipes they added.</span>
<span class="Delimiter">:(before "End Globals")</span>
vector<recipe_number> recently_added_recipes<span class="Delimiter">;</span>
<span class="Delimiter">:(before "End Setup")</span>
for <span class="Delimiter">(</span>long long int i = <span class="Constant">0</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>recently_added_recipes<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="CommentedCode">//? cout << "AAA clearing " << Recipe[recently_added_recipes.at(i)].name << '\n'; //? 2</span>
Recipe_number<span class="Delimiter">.</span>erase<span class="Delimiter">(</span>Recipe[recently_added_recipes<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span>]<span class="Delimiter">.</span>name<span class="Delimiter">);</span>
Recipe<span class="Delimiter">.</span>erase<span class="Delimiter">(</span>recently_added_recipes<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
<span class="Delimiter">}</span>
<span class="Comment">// Clear Other State For recently_added_recipes</span>
recently_added_recipes<span class="Delimiter">.</span>clear<span class="Delimiter">();</span>
<span class="Delimiter">:(scenario parse_comment_outside_recipe)</span>
<span class="Comment"># this comment will be dropped by the tangler, so we need a dummy recipe to stop that</span>
recipe f1 [ ]
<span class="Comment"># this comment will go through to 'load'</span>
recipe main [
<span class="Constant">1</span>:number<span class="Special"> <- </span>copy <span class="Constant">23</span>:literal
]
<span class="traceContains">+parse: instruction: copy</span>
<span class="traceContains">+parse: ingredient: {name: "23", properties: ["23": "literal"]}</span>
<span class="traceContains">+parse: product: {name: "1", properties: ["1": "number"]}</span>
<span class="Delimiter">:(scenario parse_comment_amongst_instruction)</span>
recipe main [
<span class="Comment"># comment</span>
<span class="Constant">1</span>:number<span class="Special"> <- </span>copy <span class="Constant">23</span>:literal
]
<span class="traceContains">+parse: instruction: copy</span>
<span class="traceContains">+parse: ingredient: {name: "23", properties: ["23": "literal"]}</span>
<span class="traceContains">+parse: product: {name: "1", properties: ["1": "number"]}</span>
<span class="Delimiter">:(scenario parse_comment_amongst_instruction2)</span>
recipe main [
<span class="Comment"># comment</span>
<span class="Constant">1</span>:number<span class="Special"> <- </span>copy <span class="Constant">23</span>:literal
<span class="Comment"># comment</span>
]
<span class="traceContains">+parse: instruction: copy</span>
<span class="traceContains">+parse: ingredient: {name: "23", properties: ["23": "literal"]}</span>
<span class="traceContains">+parse: product: {name: "1", properties: ["1": "number"]}</span>
<span class="Delimiter">:(scenario parse_comment_amongst_instruction3)</span>
recipe main [
<span class="Constant">1</span>:number<span class="Special"> <- </span>copy <span class="Constant">23</span>:literal
<span class="Comment"># comment</span>
<span class="Constant">2</span>:number<span class="Special"> <- </span>copy <span class="Constant">23</span>:literal
]
<span class="traceContains">+parse: instruction: copy</span>
<span class="traceContains">+parse: ingredient: {name: "23", properties: ["23": "literal"]}</span>
<span class="traceContains">+parse: product: {name: "1", properties: ["1": "number"]}</span>
<span class="traceContains">+parse: instruction: copy</span>
<span class="traceContains">+parse: ingredient: {name: "23", properties: ["23": "literal"]}</span>
<span class="traceContains">+parse: product: {name: "2", properties: ["2": "number"]}</span>
<span class="Delimiter">:(scenario parse_comment_after_instruction)</span>
recipe main [
<span class="Constant">1</span>:number<span class="Special"> <- </span>copy <span class="Constant">23</span>:literal <span class="Comment"># comment</span>
]
<span class="traceContains">+parse: instruction: copy</span>
<span class="traceContains">+parse: ingredient: {name: "23", properties: ["23": "literal"]}</span>
<span class="traceContains">+parse: product: {name: "1", properties: ["1": "number"]}</span>
<span class="Delimiter">:(scenario parse_label)</span>
recipe main [
+foo
]
<span class="traceContains">+parse: label: +foo</span>
<span class="Delimiter">:(scenario parse_dollar_as_recipe_name)</span>
recipe main [
$foo
]
<span class="traceContains">+parse: instruction: $foo</span>
<span class="Delimiter">:(scenario parse_multiple_properties)</span>
recipe main [
<span class="Constant">1</span>:number<span class="Special"> <- </span>copy <span class="Constant">23</span>:literal/foo:bar:baz
]
<span class="traceContains">+parse: instruction: copy</span>
<span class="traceContains">+parse: ingredient: {name: "23", properties: ["23": "literal", "foo": "bar":"baz"]}</span>
<span class="traceContains">+parse: product: {name: "1", properties: ["1": "number"]}</span>
<span class="Delimiter">:(scenario parse_multiple_products)</span>
recipe main [
<span class="Constant">1</span>:number<span class="Delimiter">,</span> <span class="Constant">2</span>:number<span class="Special"> <- </span>copy <span class="Constant">23</span>:literal
]
<span class="traceContains">+parse: instruction: copy</span>
<span class="traceContains">+parse: ingredient: {name: "23", properties: ["23": "literal"]}</span>
<span class="traceContains">+parse: product: {name: "1", properties: ["1": "number"]}</span>
<span class="traceContains">+parse: product: {name: "2", properties: ["2": "number"]}</span>
<span class="Delimiter">:(scenario parse_multiple_ingredients)</span>
recipe main [
<span class="Constant">1</span>:number<span class="Delimiter">,</span> <span class="Constant">2</span>:number<span class="Special"> <- </span>copy <span class="Constant">23</span>:literal<span class="Delimiter">,</span> <span class="Constant">4</span>:number
]
<span class="traceContains">+parse: instruction: copy</span>
<span class="traceContains">+parse: ingredient: {name: "23", properties: ["23": "literal"]}</span>
<span class="traceContains">+parse: ingredient: {name: "4", properties: ["4": "number"]}</span>
<span class="traceContains">+parse: product: {name: "1", properties: ["1": "number"]}</span>
<span class="traceContains">+parse: product: {name: "2", properties: ["2": "number"]}</span>
<span class="Delimiter">:(scenario parse_multiple_types)</span>
recipe main [
<span class="Constant">1</span>:number<span class="Delimiter">,</span> <span class="Constant">2</span>:address:number<span class="Special"> <- </span>copy <span class="Constant">23</span>:literal<span class="Delimiter">,</span> <span class="Constant">4</span>:number
]
<span class="traceContains">+parse: instruction: copy</span>
<span class="traceContains">+parse: ingredient: {name: "23", properties: ["23": "literal"]}</span>
<span class="traceContains">+parse: ingredient: {name: "4", properties: ["4": "number"]}</span>
<span class="traceContains">+parse: product: {name: "1", properties: ["1": "number"]}</span>
<span class="traceContains">+parse: product: {name: "2", properties: ["2": "address":"number"]}</span>
<span class="Delimiter">:(scenario parse_properties)</span>
recipe main [
<span class="Constant">1</span>:number:address/deref<span class="Special"> <- </span>copy <span class="Constant">23</span>:literal
]
<span class="traceContains">+parse: product: {name: "1", properties: ["1": "number":"address", "deref": ]}</span>
</pre>
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