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diff --git a/html/091run_sandboxed.cc.html b/html/091run_sandboxed.cc.html new file mode 100644 index 00000000..375b6beb --- /dev/null +++ b/html/091run_sandboxed.cc.html @@ -0,0 +1,556 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> +<html> +<head> +<meta http-equiv="content-type" content="text/html; charset=UTF-8"> +<title>Mu - 091run_sandboxed.cc</title> +<meta name="Generator" content="Vim/7.4"> +<meta name="plugin-version" content="vim7.4_v2"> +<meta name="syntax" content="cpp"> +<meta name="settings" content="use_css,pre_wrap,no_foldcolumn,expand_tabs,prevent_copy="> +<meta name="colorscheme" content="minimal"> +<style type="text/css"> +<!-- +pre { white-space: pre-wrap; font-family: monospace; color: #eeeeee; background-color: #080808; } +body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color: #080808; } +* { font-size: 12pt; font-size: 1em; } +.Constant { color: #00a0a0; } +.cSpecial { color: #008000; } +.traceContains { color: #008000; } +.Comment { color: #9090ff; } +.Delimiter { color: #800080; } +.Special { color: #c00000; } +.Identifier { color: #fcb165; } +.Normal { color: #eeeeee; background-color: #080808; padding-bottom: 1px; } +--> +</style> + +<script type='text/javascript'> +<!-- + +--> +</script> +</head> +<body> +<pre id='vimCodeElement'> +<span class="Comment">//: Helper for various programming environments: run arbitrary mu code and</span> +<span class="Comment">//: return some result in string form.</span> + +<span class="Delimiter">:(scenario run_interactive_code)</span> +def main [ + <span class="Constant">1</span>:number/<span class="Special">raw <- </span>copy <span class="Constant">0</span> + <span class="Constant">2</span>:address:array:character<span class="Special"> <- </span><span class="Normal">new</span> [<span class="Constant">1</span>:number/<span class="Special">raw <- </span>copy <span class="Constant">34</span>] + run-sandboxed <span class="Constant">2</span>:address:array:character + <span class="Constant">3</span>:number/<span class="Special">raw <- </span>copy <span class="Constant">1</span>:number/<span class="Special">raw</span> +] +<span class="traceContains">+mem: storing 34 in location 3</span> + +<span class="Delimiter">:(scenario run_interactive_empty)</span> +def main [ + <span class="Constant">1</span>:address:array:character<span class="Special"> <- </span>copy <span class="Constant">0</span>/unsafe + <span class="Constant">2</span>:address:array:character<span class="Special"> <- </span>run-sandboxed <span class="Constant">1</span>:address:array:character +] +<span class="Comment"># result is null</span> +<span class="traceContains">+mem: storing 0 in location 2</span> + +<span class="Comment">//: As the name suggests, 'run-sandboxed' will prevent certain operations that</span> +<span class="Comment">//: regular Mu code can perform.</span> +<span class="Delimiter">:(before "End Globals")</span> +<span class="Normal">bool</span> Sandbox_mode = <span class="Constant">false</span><span class="Delimiter">;</span> +<span class="Comment">//: for starters, users can't override 'main' when the environment is running</span> +<span class="Delimiter">:(before "End Load Recipe Name")</span> +<span class="Normal">if</span> <span class="Delimiter">(</span>Sandbox_mode && result<span class="Delimiter">.</span>name == <span class="Constant">"main"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> + slurp_balanced_bracket<span class="Delimiter">(</span>in<span class="Delimiter">);</span> + <span class="Identifier">return</span> -<span class="Constant">1</span><span class="Delimiter">;</span> +<span class="Delimiter">}</span> + +<span class="Comment">//: run code in 'interactive mode', i.e. with errors off and return:</span> +<span class="Comment">//: stringified output in case we want to print it to screen</span> +<span class="Comment">//: any errors encountered</span> +<span class="Comment">//: simulated screen any prints went to</span> +<span class="Comment">//: any 'app' layer traces generated</span> +<span class="Delimiter">:(before "End Primitive Recipe Declarations")</span> +RUN_SANDBOXED<span class="Delimiter">,</span> +<span class="Delimiter">:(before "End Primitive Recipe Numbers")</span> +put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"run-sandboxed"</span><span class="Delimiter">,</span> RUN_SANDBOXED<span class="Delimiter">);</span> +<span class="Delimiter">:(before "End Primitive Recipe Checks")</span> +<span class="Normal">case</span> RUN_SANDBOXED: <span class="Delimiter">{</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> + raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'run-sandboxed' requires exactly one ingredient, but got '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> + <span class="Delimiter">}</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span> + raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"first ingredient of 'run-sandboxed' should be a string, but got '"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> + <span class="Delimiter">}</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> +<span class="Delimiter">}</span> +<span class="Delimiter">:(before "End Primitive Recipe Implementations")</span> +<span class="Normal">case</span> RUN_SANDBOXED: <span class="Delimiter">{</span> + <span class="Normal">bool</span> new_code_pushed_to_stack = run_interactive<span class="Delimiter">(</span>ingredients<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="Normal">if</span> <span class="Delimiter">(</span>!new_code_pushed_to_stack<span class="Delimiter">)</span> <span class="Delimiter">{</span> + products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">5</span><span class="Delimiter">);</span> + products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> + products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>trace_error_contents<span class="Delimiter">());</span> + products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> + products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">3</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>trace_app_contents<span class="Delimiter">());</span> + products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">4</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span> <span class="Comment">// completed</span> + run_code_end<span class="Delimiter">();</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Comment">// done with this instruction</span> + <span class="Delimiter">}</span> + <span class="Normal">else</span> <span class="Delimiter">{</span> + <span class="Identifier">continue</span><span class="Delimiter">;</span> <span class="Comment">// not done with caller; don't increment current_step_index()</span> + <span class="Delimiter">}</span> +<span class="Delimiter">}</span> + +<span class="Delimiter">:(before "End Globals")</span> +<span class="Normal">bool</span> Track_most_recent_products = <span class="Constant">false</span><span class="Delimiter">;</span> +<span class="Delimiter">:(before "End Tracing")</span> +trace_stream* Save_trace_stream = <span class="Constant">NULL</span><span class="Delimiter">;</span> +string Save_trace_file<span class="Delimiter">;</span> +<span class="Delimiter">:(before "End Setup")</span> +Track_most_recent_products = <span class="Constant">false</span><span class="Delimiter">;</span> +<span class="Delimiter">:(code)</span> +<span class="Comment">// reads a string, tries to call it as code (treating it as a test), saving</span> +<span class="Comment">// all errors.</span> +<span class="Comment">// returns true if successfully called (no errors found during load and transform)</span> +<span class="Normal">bool</span> run_interactive<span class="Delimiter">(</span><span class="Normal">int</span> address<span class="Delimiter">)</span> <span class="Delimiter">{</span> + assert<span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"interactive"</span><span class="Delimiter">)</span> && get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"interactive"</span><span class="Delimiter">)</span> != <span class="Constant">0</span><span class="Delimiter">);</span> + <span class="Comment">// try to sandbox the run as best you can</span> + <span class="Comment">// todo: test this</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>!Current_scenario<span class="Delimiter">)</span> <span class="Delimiter">{</span> + <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">1</span><span class="Delimiter">;</span> i < Reserved_for_tests<span class="Delimiter">;</span> ++i<span class="Delimiter">)</span> + Memory<span class="Delimiter">.</span>erase<span class="Delimiter">(</span>i<span class="Delimiter">);</span> + <span class="Delimiter">}</span> + string command = trim<span class="Delimiter">(</span>strip_comments<span class="Delimiter">(</span>read_mu_string<span class="Delimiter">(</span>address<span class="Delimiter">)));</span> + Name[get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"interactive"</span><span class="Delimiter">)</span>]<span class="Delimiter">.</span>clear<span class="Delimiter">();</span> + run_code_begin<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">should_stash_snapshots</span><span class="Comment">*/</span><span class="Constant">true</span><span class="Delimiter">);</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>command<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span> + <span class="Comment">// don't kill the current routine on parse errors</span> + routine* save_current_routine = Current_routine<span class="Delimiter">;</span> + Current_routine = <span class="Constant">NULL</span><span class="Delimiter">;</span> + <span class="Comment">// call run(string) but without the scheduling</span> + load<span class="Delimiter">(</span>string<span class="Delimiter">(</span><span class="Constant">"recipe! interactive [</span><span class="cSpecial">\n</span><span class="Constant">"</span><span class="Delimiter">)</span> + + <span class="Constant">"new-default-space</span><span class="cSpecial">\n</span><span class="Constant">"</span> + <span class="Comment">// disable automatic abandon so tests can see changes</span> + <span class="Constant">"screen:address:screen <- next-ingredient</span><span class="cSpecial">\n</span><span class="Constant">"</span> + + <span class="Constant">"$start-tracking-products</span><span class="cSpecial">\n</span><span class="Constant">"</span> + + command + <span class="Constant">"</span><span class="cSpecial">\n</span><span class="Constant">"</span> + + <span class="Constant">"$stop-tracking-products</span><span class="cSpecial">\n</span><span class="Constant">"</span> + + <span class="Constant">"return screen</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> + transform_all<span class="Delimiter">();</span> + Current_routine = save_current_routine<span class="Delimiter">;</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>trace_count<span class="Delimiter">(</span><span class="Constant">"error"</span><span class="Delimiter">)</span> > <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span> + <span class="Comment">// now call 'sandbox' which will run 'interactive' in a separate routine,</span> + <span class="Comment">// and wait for it</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>Save_trace_stream<span class="Delimiter">)</span> <span class="Delimiter">{</span> + ++Save_trace_stream<span class="Delimiter">-></span>callstack_depth<span class="Delimiter">;</span> + trace<span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">"trace"</span><span class="Delimiter">)</span> << <span class="Constant">"run-sandboxed: incrementing callstack depth to "</span> << Save_trace_stream<span class="Delimiter">-></span>callstack_depth << end<span class="Delimiter">();</span> + assert<span class="Delimiter">(</span>Save_trace_stream<span class="Delimiter">-></span>callstack_depth < <span class="Constant">9000</span><span class="Delimiter">);</span> <span class="Comment">// 9998-101 plus cushion</span> + <span class="Delimiter">}</span> + Current_routine<span class="Delimiter">-></span>calls<span class="Delimiter">.</span>push_front<span class="Delimiter">(</span>call<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"sandbox"</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">//: Carefully update all state to exactly how it was -- including snapshots.</span> + +<span class="Delimiter">:(before "End Globals")</span> +map<string<span class="Delimiter">,</span> recipe_ordinal> Recipe_ordinal_snapshot_stash<span class="Delimiter">;</span> +map<recipe_ordinal<span class="Delimiter">,</span> recipe> Recipe_snapshot_stash<span class="Delimiter">;</span> +map<string<span class="Delimiter">,</span> type_ordinal> Type_ordinal_snapshot_stash<span class="Delimiter">;</span> +map<type_ordinal<span class="Delimiter">,</span> type_info> Type_snapshot_stash<span class="Delimiter">;</span> +map<recipe_ordinal<span class="Delimiter">,</span> map<string<span class="Delimiter">,</span> <span class="Normal">int</span>> > Name_snapshot_stash<span class="Delimiter">;</span> +map<string<span class="Delimiter">,</span> vector<recipe_ordinal> > Recipe_variants_snapshot_stash<span class="Delimiter">;</span> + +<span class="Delimiter">:(code)</span> +<span class="Normal">void</span> run_code_begin<span class="Delimiter">(</span><span class="Normal">bool</span> should_stash_snapshots<span class="Delimiter">)</span> <span class="Delimiter">{</span> + <span class="Comment">// stuff to undo later, in run_code_end()</span> + Hide_errors = <span class="Constant">true</span><span class="Delimiter">;</span> + Disable_redefine_checks = <span class="Constant">true</span><span class="Delimiter">;</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>should_stash_snapshots<span class="Delimiter">)</span> + stash_snapshots<span class="Delimiter">();</span> + Save_trace_stream = Trace_stream<span class="Delimiter">;</span> + Trace_stream = <span class="Normal">new</span> trace_stream<span class="Delimiter">;</span> + Trace_stream<span class="Delimiter">-></span>collect_depth = App_depth<span class="Delimiter">;</span> +<span class="Delimiter">}</span> + +<span class="Normal">void</span> run_code_end<span class="Delimiter">()</span> <span class="Delimiter">{</span> + Hide_errors = <span class="Constant">false</span><span class="Delimiter">;</span> + Disable_redefine_checks = <span class="Constant">false</span><span class="Delimiter">;</span> + <span class="Normal">delete</span> Trace_stream<span class="Delimiter">;</span> + Trace_stream = Save_trace_stream<span class="Delimiter">;</span> + Save_trace_stream = <span class="Constant">NULL</span><span class="Delimiter">;</span> + Save_trace_file<span class="Delimiter">.</span>clear<span class="Delimiter">();</span> + Recipe<span class="Delimiter">.</span>erase<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"interactive"</span><span class="Delimiter">));</span> <span class="Comment">// keep past sandboxes from inserting errors</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>!Recipe_snapshot_stash<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> + unstash_snapshots<span class="Delimiter">();</span> +<span class="Delimiter">}</span> + +<span class="Comment">// keep sync'd with save_snapshots and restore_snapshots</span> +<span class="Normal">void</span> stash_snapshots<span class="Delimiter">()</span> <span class="Delimiter">{</span> + assert<span class="Delimiter">(</span>Recipe_ordinal_snapshot_stash<span class="Delimiter">.</span>empty<span class="Delimiter">());</span> + Recipe_ordinal_snapshot_stash = Recipe_ordinal_snapshot<span class="Delimiter">;</span> + assert<span class="Delimiter">(</span>Recipe_snapshot_stash<span class="Delimiter">.</span>empty<span class="Delimiter">());</span> + Recipe_snapshot_stash = Recipe_snapshot<span class="Delimiter">;</span> + assert<span class="Delimiter">(</span>Type_ordinal_snapshot_stash<span class="Delimiter">.</span>empty<span class="Delimiter">());</span> + Type_ordinal_snapshot_stash = Type_ordinal_snapshot<span class="Delimiter">;</span> + assert<span class="Delimiter">(</span>Type_snapshot_stash<span class="Delimiter">.</span>empty<span class="Delimiter">());</span> + Type_snapshot_stash = Type_snapshot<span class="Delimiter">;</span> + assert<span class="Delimiter">(</span>Name_snapshot_stash<span class="Delimiter">.</span>empty<span class="Delimiter">());</span> + Name_snapshot_stash = Name_snapshot<span class="Delimiter">;</span> + assert<span class="Delimiter">(</span>Recipe_variants_snapshot_stash<span class="Delimiter">.</span>empty<span class="Delimiter">());</span> + Recipe_variants_snapshot_stash = Recipe_variants_snapshot<span class="Delimiter">;</span> + save_snapshots<span class="Delimiter">();</span> +<span class="Delimiter">}</span> +<span class="Normal">void</span> unstash_snapshots<span class="Delimiter">()</span> <span class="Delimiter">{</span> + restore_snapshots<span class="Delimiter">();</span> + Recipe_ordinal_snapshot = Recipe_ordinal_snapshot_stash<span class="Delimiter">;</span> Recipe_ordinal_snapshot_stash<span class="Delimiter">.</span>clear<span class="Delimiter">();</span> + Recipe_snapshot = Recipe_snapshot_stash<span class="Delimiter">;</span> Recipe_snapshot_stash<span class="Delimiter">.</span>clear<span class="Delimiter">();</span> + Type_ordinal_snapshot = Type_ordinal_snapshot_stash<span class="Delimiter">;</span> Type_ordinal_snapshot_stash<span class="Delimiter">.</span>clear<span class="Delimiter">();</span> + Type_snapshot = Type_snapshot_stash<span class="Delimiter">;</span> Type_snapshot_stash<span class="Delimiter">.</span>clear<span class="Delimiter">();</span> + Name_snapshot = Name_snapshot_stash<span class="Delimiter">;</span> Name_snapshot_stash<span class="Delimiter">.</span>clear<span class="Delimiter">();</span> + Recipe_variants_snapshot = Recipe_variants_snapshot_stash<span class="Delimiter">;</span> Recipe_variants_snapshot_stash<span class="Delimiter">.</span>clear<span class="Delimiter">();</span> +<span class="Delimiter">}</span> + +<span class="Delimiter">:(before "End Load Recipes")</span> +load<span class="Delimiter">(</span>string<span class="Delimiter">(</span> +<span class="Constant">"recipe interactive [</span><span class="cSpecial">\n</span><span class="Constant">"</span><span class="Delimiter">)</span> + <span class="Comment">// just a dummy version to initialize the Recipe_ordinal and so on</span> +<span class="Constant">"]</span><span class="cSpecial">\n</span><span class="Constant">"</span> + +<span class="Constant">"recipe sandbox [</span><span class="cSpecial">\n</span><span class="Constant">"</span> + + <span class="Constant">"local-scope</span><span class="cSpecial">\n</span><span class="Constant">"</span> + + <span class="Constant">"screen:address:screen <- new-fake-screen 30, 5</span><span class="cSpecial">\n</span><span class="Constant">"</span> + + <span class="Constant">"routine-id:number <- start-running interactive, screen</span><span class="cSpecial">\n</span><span class="Constant">"</span> + + <span class="Constant">"limit-time routine-id, 100000/instructions</span><span class="cSpecial">\n</span><span class="Constant">"</span> + + <span class="Constant">"wait-for-routine routine-id</span><span class="cSpecial">\n</span><span class="Constant">"</span> + + <span class="Constant">"instructions-run:number <- number-of-instructions routine-id</span><span class="cSpecial">\n</span><span class="Constant">"</span> + + <span class="Constant">"stash instructions-run [instructions run]</span><span class="cSpecial">\n</span><span class="Constant">"</span> + + <span class="Constant">"sandbox-state:number <- routine-state routine-id</span><span class="cSpecial">\n</span><span class="Constant">"</span> + + <span class="Constant">"completed?:boolean <- equal sandbox-state, 1/completed</span><span class="cSpecial">\n</span><span class="Constant">"</span> + + <span class="Constant">"output:address:array:character <- $most-recent-products</span><span class="cSpecial">\n</span><span class="Constant">"</span> + + <span class="Constant">"errors:address:array:character <- save-errors</span><span class="cSpecial">\n</span><span class="Constant">"</span> + + <span class="Constant">"stashes:address:array:character <- save-app-trace</span><span class="cSpecial">\n</span><span class="Constant">"</span> + + <span class="Constant">"$cleanup-run-sandboxed</span><span class="cSpecial">\n</span><span class="Constant">"</span> + + <span class="Constant">"return output, errors, screen, stashes, completed?</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> + +<span class="Comment">//: adjust errors in the sandbox</span> +<span class="Delimiter">:(after "string maybe(string s)")</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>s == <span class="Constant">"interactive"</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">""</span><span class="Delimiter">;</span> + +<span class="Delimiter">:(scenario run_interactive_comments)</span> +def main [ + <span class="Constant">1</span>:address:array:character<span class="Special"> <- </span><span class="Normal">new</span> [<span class="Comment"># ab</span> +add <span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">2</span>] + <span class="Constant">2</span>:address:array:character<span class="Special"> <- </span>run-sandboxed <span class="Constant">1</span>:address:array:character + <span class="Constant">3</span>:array:character<span class="Special"> <- </span>copy *<span class="Constant">2</span>:address:array:character +] +<span class="traceContains">+mem: storing 52 in location 4</span> + +<span class="Delimiter">:(before "End Primitive Recipe Declarations")</span> +_START_TRACKING_PRODUCTS<span class="Delimiter">,</span> +<span class="Delimiter">:(before "End Primitive Recipe Numbers")</span> +put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"$start-tracking-products"</span><span class="Delimiter">,</span> _START_TRACKING_PRODUCTS<span class="Delimiter">);</span> +<span class="Delimiter">:(before "End Primitive Recipe Checks")</span> +<span class="Normal">case</span> _START_TRACKING_PRODUCTS: <span class="Delimiter">{</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> +<span class="Delimiter">}</span> +<span class="Delimiter">:(before "End Primitive Recipe Implementations")</span> +<span class="Normal">case</span> _START_TRACKING_PRODUCTS: <span class="Delimiter">{</span> + Track_most_recent_products = <span class="Constant">true</span><span class="Delimiter">;</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> +<span class="Delimiter">}</span> + +<span class="Delimiter">:(before "End Primitive Recipe Declarations")</span> +_STOP_TRACKING_PRODUCTS<span class="Delimiter">,</span> +<span class="Delimiter">:(before "End Primitive Recipe Numbers")</span> +put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"$stop-tracking-products"</span><span class="Delimiter">,</span> _STOP_TRACKING_PRODUCTS<span class="Delimiter">);</span> +<span class="Delimiter">:(before "End Primitive Recipe Checks")</span> +<span class="Normal">case</span> _STOP_TRACKING_PRODUCTS: <span class="Delimiter">{</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> +<span class="Delimiter">}</span> +<span class="Delimiter">:(before "End Primitive Recipe Implementations")</span> +<span class="Normal">case</span> _STOP_TRACKING_PRODUCTS: <span class="Delimiter">{</span> + Track_most_recent_products = <span class="Constant">false</span><span class="Delimiter">;</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> +<span class="Delimiter">}</span> + +<span class="Delimiter">:(before "End Primitive Recipe Declarations")</span> +_MOST_RECENT_PRODUCTS<span class="Delimiter">,</span> +<span class="Delimiter">:(before "End Primitive Recipe Numbers")</span> +put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"$most-recent-products"</span><span class="Delimiter">,</span> _MOST_RECENT_PRODUCTS<span class="Delimiter">);</span> +<span class="Delimiter">:(before "End Primitive Recipe Checks")</span> +<span class="Normal">case</span> _MOST_RECENT_PRODUCTS: <span class="Delimiter">{</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> +<span class="Delimiter">}</span> +<span class="Delimiter">:(before "End Primitive Recipe Implementations")</span> +<span class="Normal">case</span> _MOST_RECENT_PRODUCTS: <span class="Delimiter">{</span> + products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span> + products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>new_mu_string<span class="Delimiter">(</span>Most_recent_products<span class="Delimiter">));</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> +<span class="Delimiter">}</span> + +<span class="Delimiter">:(before "End Primitive Recipe Declarations")</span> +SAVE_ERRORS<span class="Delimiter">,</span> +<span class="Delimiter">:(before "End Primitive Recipe Numbers")</span> +put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"save-errors"</span><span class="Delimiter">,</span> SAVE_ERRORS<span class="Delimiter">);</span> +<span class="Delimiter">:(before "End Primitive Recipe Checks")</span> +<span class="Normal">case</span> SAVE_ERRORS: <span class="Delimiter">{</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> +<span class="Delimiter">}</span> +<span class="Delimiter">:(before "End Primitive Recipe Implementations")</span> +<span class="Normal">case</span> SAVE_ERRORS: <span class="Delimiter">{</span> + products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span> + products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>trace_error_contents<span class="Delimiter">());</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> +<span class="Delimiter">}</span> + +<span class="Delimiter">:(before "End Primitive Recipe Declarations")</span> +SAVE_APP_TRACE<span class="Delimiter">,</span> +<span class="Delimiter">:(before "End Primitive Recipe Numbers")</span> +put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"save-app-trace"</span><span class="Delimiter">,</span> SAVE_APP_TRACE<span class="Delimiter">);</span> +<span class="Delimiter">:(before "End Primitive Recipe Checks")</span> +<span class="Normal">case</span> SAVE_APP_TRACE: <span class="Delimiter">{</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> +<span class="Delimiter">}</span> +<span class="Delimiter">:(before "End Primitive Recipe Implementations")</span> +<span class="Normal">case</span> SAVE_APP_TRACE: <span class="Delimiter">{</span> + products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span> + products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>trace_app_contents<span class="Delimiter">());</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> +<span class="Delimiter">}</span> + +<span class="Delimiter">:(before "End Primitive Recipe Declarations")</span> +_CLEANUP_RUN_SANDBOXED<span class="Delimiter">,</span> +<span class="Delimiter">:(before "End Primitive Recipe Numbers")</span> +put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"$cleanup-run-sandboxed"</span><span class="Delimiter">,</span> _CLEANUP_RUN_SANDBOXED<span class="Delimiter">);</span> +<span class="Delimiter">:(before "End Primitive Recipe Checks")</span> +<span class="Normal">case</span> _CLEANUP_RUN_SANDBOXED: <span class="Delimiter">{</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> +<span class="Delimiter">}</span> +<span class="Delimiter">:(before "End Primitive Recipe Implementations")</span> +<span class="Normal">case</span> _CLEANUP_RUN_SANDBOXED: <span class="Delimiter">{</span> + run_code_end<span class="Delimiter">();</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> +<span class="Delimiter">}</span> + +<span class="Delimiter">:(scenario "run_interactive_converts_result_to_text")</span> +def main [ + <span class="Comment"># try to interactively add 2 and 2</span> + <span class="Constant">1</span>:address:array:character<span class="Special"> <- </span><span class="Normal">new</span> [add <span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">2</span>] + <span class="Constant">2</span>:address:array:character<span class="Special"> <- </span>run-sandboxed <span class="Constant">1</span>:address:array:character + <span class="Constant">10</span>:array:character<span class="Special"> <- </span>copy <span class="Constant">2</span>:address:array:character/lookup +] +<span class="Comment"># first letter in the output should be '4' in unicode</span> +<span class="traceContains">+mem: storing 52 in location 11</span> + +<span class="Delimiter">:(scenario "run_interactive_returns_text")</span> +def main [ + <span class="Comment"># try to interactively add 2 and 2</span> + <span class="Constant">1</span>:address:array:character<span class="Special"> <- </span><span class="Normal">new</span> [ + <span class="Normal">x</span>:address:array:character<span class="Special"> <- </span><span class="Normal">new</span> [a] + <span class="Normal">y</span>:address:array:character<span class="Special"> <- </span><span class="Normal">new</span> [b] + <span class="Normal">z</span>:address:array:character<span class="Special"> <- </span>append x:address:array:character<span class="Delimiter">,</span> y:address:array:character + ] + <span class="Constant">2</span>:address:array:character<span class="Special"> <- </span>run-sandboxed <span class="Constant">1</span>:address:array:character + <span class="Constant">10</span>:array:character<span class="Special"> <- </span>copy <span class="Constant">2</span>:address:array:character/lookup +] +<span class="Comment"># output contains "ab"</span> +<span class="traceContains">+mem: storing 97 in location 11</span> +<span class="traceContains">+mem: storing 98 in location 12</span> + +<span class="Delimiter">:(scenario "run_interactive_returns_errors")</span> +def main [ + <span class="Comment"># run a command that generates an error</span> + <span class="Constant">1</span>:address:array:character<span class="Special"> <- </span><span class="Normal">new</span> [x:number<span class="Special"> <- </span>copy <span class="Constant">34</span> +get x:number<span class="Delimiter">,</span> foo:offset] + <span class="Constant">2</span>:address:array:character<span class="Delimiter">,</span> <span class="Constant">3</span>:address:array:character<span class="Special"> <- </span>run-sandboxed <span class="Constant">1</span>:address:array:character + <span class="Constant">10</span>:array:character<span class="Special"> <- </span>copy <span class="Constant">3</span>:address:array:character/lookup +] +<span class="Comment"># error should be "unknown element foo in container number"</span> +<span class="traceContains">+mem: storing 117 in location 11</span> +<span class="traceContains">+mem: storing 110 in location 12</span> +<span class="traceContains">+mem: storing 107 in location 13</span> +<span class="traceContains">+mem: storing 110 in location 14</span> +<span class="Comment"># ...</span> + +<span class="Delimiter">:(scenario run_interactive_with_comment)</span> +def main [ + <span class="Comment"># 2 instructions, with a comment after the first</span> + <span class="Constant">1</span>:address:array:number<span class="Special"> <- </span><span class="Normal">new</span> [a:number<span class="Special"> <- </span>copy <span class="Constant">0</span> <span class="Comment"># abc</span> +<span class="Normal">b</span>:number<span class="Special"> <- </span>copy <span class="Constant">0</span> +] + <span class="Constant">2</span>:address:array:character<span class="Delimiter">,</span> <span class="Constant">3</span>:address:array:character<span class="Special"> <- </span>run-sandboxed <span class="Constant">1</span>:address:array:character +] +<span class="Comment"># no errors</span> +<span class="traceContains">+mem: storing 0 in location 3</span> + +<span class="Delimiter">:(before "End Globals")</span> +string Most_recent_products<span class="Delimiter">;</span> +<span class="Delimiter">:(before "End Setup")</span> +Most_recent_products = <span class="Constant">""</span><span class="Delimiter">;</span> +<span class="Delimiter">:(before "End of Instruction")</span> +<span class="Normal">if</span> <span class="Delimiter">(</span>Track_most_recent_products<span class="Delimiter">)</span> <span class="Delimiter">{</span> + track_most_recent_products<span class="Delimiter">(</span>current_instruction<span class="Delimiter">(),</span> products<span class="Delimiter">);</span> +<span class="Delimiter">}</span> +<span class="Delimiter">:(code)</span> +<span class="Normal">void</span> track_most_recent_products<span class="Delimiter">(</span><span class="Normal">const</span> instruction& instruction<span class="Delimiter">,</span> <span class="Normal">const</span> vector<vector<<span class="Normal">double</span>> >& products<span class="Delimiter">)</span> <span class="Delimiter">{</span> + ostringstream out<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 < SIZE<span class="Delimiter">(</span>products<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> + <span class="Comment">// string</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>i < SIZE<span class="Delimiter">(</span>instruction<span class="Delimiter">.</span>products<span class="Delimiter">))</span> <span class="Delimiter">{</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>is_mu_string<span class="Delimiter">(</span>instruction<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>!scalar<span class="Delimiter">(</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span class="Comment">// error handled elsewhere</span> + out << read_mu_string<span class="Delimiter">(</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> + <span class="Identifier">continue</span><span class="Delimiter">;</span> + <span class="Delimiter">}</span> + <span class="Comment">// End Record Product Special-cases</span> + <span class="Delimiter">}</span> + <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span> j < SIZE<span class="Delimiter">(</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span> ++j<span class="Delimiter">)</span> + out << no_scientific<span class="Delimiter">(</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>at<span class="Delimiter">(</span>j<span class="Delimiter">))</span> << <span class="Constant">' '</span><span class="Delimiter">;</span> + out << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> + <span class="Delimiter">}</span> + Most_recent_products = out<span class="Delimiter">.</span>str<span class="Delimiter">();</span> +<span class="Delimiter">}</span> + +<span class="Delimiter">:(code)</span> +string strip_comments<span class="Delimiter">(</span>string in<span class="Delimiter">)</span> <span class="Delimiter">{</span> + ostringstream result<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 < SIZE<span class="Delimiter">(</span>in<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span> != <span class="Constant">'#'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> + result << in<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> + <span class="Delimiter">}</span> + <span class="Normal">else</span> <span class="Delimiter">{</span> + <span class="Normal">while</span> <span class="Delimiter">(</span>i+<span class="Constant">1</span> < SIZE<span class="Delimiter">(</span>in<span class="Delimiter">)</span> && in<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i+<span class="Constant">1</span><span class="Delimiter">)</span> != <span class="cSpecial">'\n'</span><span class="Delimiter">)</span> + ++i<span class="Delimiter">;</span> + <span class="Delimiter">}</span> + <span class="Delimiter">}</span> + <span class="Identifier">return</span> result<span class="Delimiter">.</span>str<span class="Delimiter">();</span> +<span class="Delimiter">}</span> + +<span class="Normal">int</span> stringified_value_of_location<span class="Delimiter">(</span><span class="Normal">int</span> address<span class="Delimiter">)</span> <span class="Delimiter">{</span> + <span class="Comment">// convert to string</span> + ostringstream out<span class="Delimiter">;</span> + out << no_scientific<span class="Delimiter">(</span>get_or_insert<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> address<span class="Delimiter">));</span> + <span class="Identifier">return</span> new_mu_string<span class="Delimiter">(</span>out<span class="Delimiter">.</span>str<span class="Delimiter">());</span> +<span class="Delimiter">}</span> + +<span class="Normal">int</span> trace_error_contents<span class="Delimiter">()</span> <span class="Delimiter">{</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>!Trace_stream<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span> + ostringstream out<span class="Delimiter">;</span> + <span class="Normal">for</span> <span class="Delimiter">(</span>vector<trace_line>::iterator p = Trace_stream<span class="Delimiter">-></span>past_lines<span class="Delimiter">.</span>begin<span class="Delimiter">();</span> p != Trace_stream<span class="Delimiter">-></span>past_lines<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>label != <span class="Constant">"error"</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> + out << p<span class="Delimiter">-></span>contents<span class="Delimiter">;</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>*--p<span class="Delimiter">-></span>contents<span class="Delimiter">.</span>end<span class="Delimiter">()</span> != <span class="cSpecial">'\n'</span><span class="Delimiter">)</span> out << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> + <span class="Delimiter">}</span> + string result = out<span class="Delimiter">.</span>str<span class="Delimiter">();</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>result<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span> + truncate<span class="Delimiter">(</span>result<span class="Delimiter">);</span> + <span class="Identifier">return</span> new_mu_string<span class="Delimiter">(</span>result<span class="Delimiter">);</span> +<span class="Delimiter">}</span> + +<span class="Normal">int</span> trace_app_contents<span class="Delimiter">()</span> <span class="Delimiter">{</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>!Trace_stream<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span> + ostringstream out<span class="Delimiter">;</span> + <span class="Normal">for</span> <span class="Delimiter">(</span>vector<trace_line>::iterator p = Trace_stream<span class="Delimiter">-></span>past_lines<span class="Delimiter">.</span>begin<span class="Delimiter">();</span> p != Trace_stream<span class="Delimiter">-></span>past_lines<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>depth != App_depth<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> + out << p<span class="Delimiter">-></span>contents<span class="Delimiter">;</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>*--p<span class="Delimiter">-></span>contents<span class="Delimiter">.</span>end<span class="Delimiter">()</span> != <span class="cSpecial">'\n'</span><span class="Delimiter">)</span> out << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> + <span class="Delimiter">}</span> + string result = out<span class="Delimiter">.</span>str<span class="Delimiter">();</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>result<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span> + truncate<span class="Delimiter">(</span>result<span class="Delimiter">);</span> + <span class="Identifier">return</span> new_mu_string<span class="Delimiter">(</span>result<span class="Delimiter">);</span> +<span class="Delimiter">}</span> + +<span class="Normal">void</span> truncate<span class="Delimiter">(</span>string& x<span class="Delimiter">)</span> <span class="Delimiter">{</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>x<span class="Delimiter">)</span> > <span class="Constant">1024</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> + x<span class="Delimiter">.</span>erase<span class="Delimiter">(</span><span class="Constant">1024</span><span class="Delimiter">);</span> + *x<span class="Delimiter">.</span>rbegin<span class="Delimiter">()</span> = <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> + *++x<span class="Delimiter">.</span>rbegin<span class="Delimiter">()</span> = <span class="Constant">'.'</span><span class="Delimiter">;</span> + *++++x<span class="Delimiter">.</span>rbegin<span class="Delimiter">()</span> = <span class="Constant">'.'</span><span class="Delimiter">;</span> + <span class="Delimiter">}</span> +<span class="Delimiter">}</span> + +<span class="Comment">//: simpler version of run-sandboxed: doesn't do any running, just loads</span> +<span class="Comment">//: recipes and reports errors.</span> + +<span class="Delimiter">:(before "End Primitive Recipe Declarations")</span> +RELOAD<span class="Delimiter">,</span> +<span class="Delimiter">:(before "End Primitive Recipe Numbers")</span> +put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"reload"</span><span class="Delimiter">,</span> RELOAD<span class="Delimiter">);</span> +<span class="Delimiter">:(before "End Primitive Recipe Checks")</span> +<span class="Normal">case</span> RELOAD: <span class="Delimiter">{</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> + raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'reload' requires exactly one ingredient, but got '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> + <span class="Delimiter">}</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span> + raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"first ingredient of 'reload' should be a string, but got '"</span> << inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> + <span class="Delimiter">}</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> +<span class="Delimiter">}</span> +<span class="Delimiter">:(before "End Primitive Recipe Implementations")</span> +<span class="Normal">case</span> RELOAD: <span class="Delimiter">{</span> + <span class="Comment">// conundrum: need to support repeated reloads of the same code, but not</span> + <span class="Comment">// wipe out state for the current test</span> + <span class="Comment">// hacky solution: subset of restore_snapshots() without restoring recipes {</span> + <span class="Comment">// can't yet define containers in a test that runs 'reload'</span> + Type_ordinal = Type_ordinal_snapshot<span class="Delimiter">;</span> + Type = Type_snapshot<span class="Delimiter">;</span> + <span class="Comment">// can't yet create new specializations of shape-shifting recipes in a test</span> + <span class="Comment">// that runs 'reload'</span> + Recipe_variants = Recipe_variants_snapshot<span class="Delimiter">;</span> + Name = Name_snapshot<span class="Delimiter">;</span> + <span class="Comment">// }</span> + string code = read_mu_string<span class="Delimiter">(</span>ingredients<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> + run_code_begin<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">should_stash_snapshots</span><span class="Comment">*/</span><span class="Constant">false</span><span class="Delimiter">);</span> + routine* save_current_routine = Current_routine<span class="Delimiter">;</span> + Current_routine = <span class="Constant">NULL</span><span class="Delimiter">;</span> + Sandbox_mode = <span class="Constant">true</span><span class="Delimiter">;</span> + vector<recipe_ordinal> recipes_reloaded = load<span class="Delimiter">(</span>code<span class="Delimiter">);</span> + transform_all<span class="Delimiter">();</span> + Trace_stream<span class="Delimiter">-></span>newline<span class="Delimiter">();</span> <span class="Comment">// flush trace</span> + Sandbox_mode = <span class="Constant">false</span><span class="Delimiter">;</span> + Current_routine = save_current_routine<span class="Delimiter">;</span> + products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span> + products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>trace_error_contents<span class="Delimiter">());</span> + run_code_end<span class="Delimiter">();</span> <span class="Comment">// wait until we're done with the trace contents</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> +<span class="Delimiter">}</span> + +<span class="Delimiter">:(scenario reload_continues_past_error)</span> +def main [ + local-scope + <span class="Normal">x</span>:address:array:character<span class="Special"> <- </span><span class="Normal">new</span> [recipe foo [ + get <span class="Constant">1234</span>:number<span class="Delimiter">,</span> foo:offset +]] + reload x + <span class="Constant">1</span>:number/<span class="Special">raw <- </span>copy <span class="Constant">34</span> +] +<span class="traceContains">+mem: storing 34 in location 1</span> + +<span class="Delimiter">:(scenario reload_can_repeatedly_load_container_definitions)</span> +<span class="Comment"># define a container and try to create it (merge requires knowing container size)</span> +def main [ + local-scope + <span class="Normal">x</span>:address:array:character<span class="Special"> <- </span><span class="Normal">new</span> [ + container foo [ + <span class="Normal">x</span>:number + <span class="Normal">y</span>:number + ] + recipe bar [ + local-scope + <span class="Normal">x</span>:foo<span class="Special"> <- </span>merge <span class="Constant">34</span><span class="Delimiter">,</span> <span class="Constant">35</span> + ] + ] + <span class="Comment"># save warning addresses in locations of type 'number' to avoid spurious changes to them due to 'abandon'</span> + <span class="Constant">1</span>:number/<span class="Special">raw <- </span>reload x + <span class="Constant">2</span>:number/<span class="Special">raw <- </span>reload x +] +<span class="Comment"># no errors on either load</span> +<span class="traceContains">+mem: storing 0 in location 1</span> +<span class="traceContains">+mem: storing 0 in location 2</span> +</pre> +</body> +</html> +<!-- vim: set foldmethod=manual : --> |