diff options
| author | Kartik Agaram <vc@akkartik.com> | 2018-12-01 14:13:33 -0800 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2018-12-01 14:13:33 -0800 |
| commit | e4ac3c9e6e5464a0fc0f8fd3763a572e0e180c04 (patch) | |
| tree | 7f6ca26afcdf8e3bf54459c6592ebf26fb968133 /html/046check_type_by_name.cc.html | |
| parent | 54e5128a14dcea5b93a8a9402558f0736fb7dba3 (diff) | |
| download | mu-e4ac3c9e6e5464a0fc0f8fd3763a572e0e180c04.tar.gz | |
4814
Diffstat (limited to 'html/046check_type_by_name.cc.html')
| -rw-r--r-- | html/046check_type_by_name.cc.html | 51 |
1 files changed, 27 insertions, 24 deletions
diff --git a/html/046check_type_by_name.cc.html b/html/046check_type_by_name.cc.html index 9c357115..c3f5e5f2 100644 --- a/html/046check_type_by_name.cc.html +++ b/html/046check_type_by_name.cc.html @@ -11,20 +11,22 @@ <style type="text/css"> <!-- pre { white-space: pre-wrap; font-family: monospace; color: #aaaaaa; background-color: #080808; } -body { font-size: 12pt; font-family: monospace; color: #aaaaaa; background-color: #080808; } -a { color:#eeeeee; text-decoration: none; } -a:hover { text-decoration: underline; } -* { font-size: 12pt; font-size: 1em; } -.LineNr { color: #444444; } +body { font-size:12pt; font-family: monospace; color: #aaaaaa; background-color: #080808; } +.subxS2Comment a { color:inherit; } +.subxS1Comment a { color:inherit; } +.subxComment a { color:inherit; } +.subxH2Comment a { color:inherit; } +.subxH1Comment a { color:inherit; } +* { font-size:12pt; font-size: 1em; } +.LineNr { color:#444444; } .traceAbsent { color: #c00000; } -.Constant { color: #00a0a0; } +.Constant { color:#00a0a0; } .muRecipe { color: #ff8700; } -.Delimiter { color: #800080; } -.Special { color: #c00000; } -.Identifier { color: #c0a020; } +.Delimiter { color:#800080; } +.Special { color:#c00000; } +.Identifier { color:#c0a020; } .Normal { color: #aaaaaa; background-color: #080808; padding-bottom: 1px; } -.Comment { color: #9090ff; } -.Comment a { color:#0000ee; text-decoration:underline; } +.Comment { color: #8080ff; } .cSpecial { color: #008000; } .traceContains { color: #008000; } --> @@ -60,6 +62,7 @@ if ('onhashchange' in window) { </script> </head> <body onload='JumpToLine();'> +<a href='https://github.com/akkartik/mu/blob/master/046check_type_by_name.cc'>https://github.com/akkartik/mu/blob/master/046check_type_by_name.cc</a> <pre id='vimCodeElement'> <span id="L1" class="LineNr"> 1 </span><span class="Comment">//: Some simple sanity checks for types, and also attempts to guess them where</span> <span id="L2" class="LineNr"> 2 </span><span class="Comment">//: they aren't provided.</span> @@ -79,16 +82,16 @@ if ('onhashchange' in window) { <span id="L16" class="LineNr"> 16 </span> <span id="L17" class="LineNr"> 17 </span><span class="Comment">//: we need surrounding-space info for type-checking variables in other spaces</span> <span id="L18" class="LineNr"> 18 </span><span class="Delimiter">:(after "Transform.push_back(collect_surrounding_spaces)")</span> -<span id="L19" class="LineNr"> 19 </span>Transform<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='046check_type_by_name.cc.html#L35'>check_or_set_types_by_name</a><span class="Delimiter">);</span> <span class="Comment">// idempotent</span> +<span id="L19" class="LineNr"> 19 </span><span class="Special">Transform</span><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='046check_type_by_name.cc.html#L35'>check_or_set_types_by_name</a><span class="Delimiter">);</span> <span class="Comment">// idempotent</span> <span id="L20" class="LineNr"> 20 </span> <span id="L21" class="LineNr"> 21 </span><span class="Comment">// Keep the name->type mapping for all recipes around for the entire</span> <span id="L22" class="LineNr"> 22 </span><span class="Comment">// transformation phase.</span> <span id="L23" class="LineNr"> 23 </span><span class="Delimiter">:(before "End Globals")</span> -<span id="L24" class="LineNr"> 24 </span>map<recipe_ordinal<span class="Delimiter">,</span> set<reagent<span class="Delimiter">,</span> name_lt> > Types_by_space<span class="Delimiter">;</span> <span class="Comment">// internal to transform; no need to snapshot</span> +<span id="L24" class="LineNr"> 24 </span>map<recipe_ordinal<span class="Delimiter">,</span> set<reagent<span class="Delimiter">,</span> name_lt> > <span class="Special">Types_by_space</span><span class="Delimiter">;</span> <span class="Comment">// internal to transform; no need to snapshot</span> <span id="L25" class="LineNr"> 25 </span><span class="Delimiter">:(before "End Reset")</span> -<span id="L26" class="LineNr"> 26 </span>Types_by_space<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span> +<span id="L26" class="LineNr"> 26 </span><span class="Special">Types_by_space</span><span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span> <span id="L27" class="LineNr"> 27 </span><span class="Delimiter">:(before "End transform_all")</span> -<span id="L28" class="LineNr"> 28 </span>Types_by_space<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span> +<span id="L28" class="LineNr"> 28 </span><span class="Special">Types_by_space</span><span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span> <span id="L29" class="LineNr"> 29 </span><span class="Delimiter">:(before "End Types")</span> <span id="L30" class="LineNr"> 30 </span><span class="Normal">struct</span> <a href='046check_type_by_name.cc.html#L30'>name_lt</a> <span class="Delimiter">{</span> <span id="L31" class="LineNr"> 31 </span> <span class="Normal">bool</span> <span class="Normal">operator</span><span class="Delimiter">()(</span><span class="Normal">const</span> reagent& a<span class="Delimiter">,</span> <span class="Normal">const</span> reagent& b<span class="Delimiter">)</span> <span class="Normal">const</span> <span class="Delimiter">{</span> <span class="Identifier">return</span> a<span class="Delimiter">.</span>name < b<span class="Delimiter">.</span>name<span class="Delimiter">;</span> <span class="Delimiter">}</span> @@ -96,7 +99,7 @@ if ('onhashchange' in window) { <span id="L33" class="LineNr"> 33 </span> <span id="L34" class="LineNr"> 34 </span><span class="Delimiter">:(code)</span> <span id="L35" class="LineNr"> 35 </span><span class="Normal">void</span> <a href='046check_type_by_name.cc.html#L35'>check_or_set_types_by_name</a><span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L36" class="LineNr"> 36 </span> recipe& caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span> +<span id="L36" class="LineNr"> 36 </span> recipe& caller = get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">);</span> <span id="L37" class="LineNr"> 37 </span> <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"--- deduce types for <a href='010vm.cc.html#L19'>recipe</a> "</span> << caller<span class="Delimiter">.</span>name << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span> <span id="L38" class="LineNr"> 38 </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 < <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L39" class="LineNr"> 39 </span> instruction& inst = caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> @@ -110,7 +113,7 @@ if ('onhashchange' in window) { <span id="L47" class="LineNr"> 47 </span><span class="Normal">void</span> <a href='046check_type_by_name.cc.html#L47'>check_or_set_type</a><span class="Delimiter">(</span>reagent& curr<span class="Delimiter">,</span> <span class="Normal">const</span> recipe& caller<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L48" class="LineNr"> 48 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_literal<span class="Delimiter">(</span>curr<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span id="L49" class="LineNr"> 49 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_integer<span class="Delimiter">(</span>curr<span class="Delimiter">.</span>name<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// no type-checking for raw locations</span> -<span id="L50" class="LineNr"> 50 </span> set<reagent<span class="Delimiter">,</span> name_lt>& known_types = Types_by_space[owning_recipe<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> caller<span class="Delimiter">.</span>ordinal<span class="Delimiter">)</span>]<span class="Delimiter">;</span> +<span id="L50" class="LineNr"> 50 </span> set<reagent<span class="Delimiter">,</span> name_lt>& known_types = <span class="Special">Types_by_space</span>[owning_recipe<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> caller<span class="Delimiter">.</span>ordinal<span class="Delimiter">)</span>]<span class="Delimiter">;</span> <span id="L51" class="LineNr"> 51 </span> <a href='046check_type_by_name.cc.html#L55'>deduce_missing_type</a><span class="Delimiter">(</span>known_types<span class="Delimiter">,</span> curr<span class="Delimiter">,</span> caller<span class="Delimiter">);</span> <span id="L52" class="LineNr"> 52 </span> <a href='046check_type_by_name.cc.html#L76'>check_type</a><span class="Delimiter">(</span>known_types<span class="Delimiter">,</span> curr<span class="Delimiter">,</span> caller<span class="Delimiter">);</span> <span id="L53" class="LineNr"> 53 </span><span class="Delimiter">}</span> @@ -129,7 +132,7 @@ if ('onhashchange' in window) { <span id="L66" class="LineNr"> 66 </span> <span class="Comment">// spaces are special; their type includes their /names property</span> <span id="L67" class="LineNr"> 67 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='043space.cc.html#L127'>is_mu_space</a><span class="Delimiter">(</span>x<span class="Delimiter">)</span> && !has_property<span class="Delimiter">(</span>x<span class="Delimiter">,</span> <span class="Constant">"names"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> <span id="L68" class="LineNr"> 68 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!has_property<span class="Delimiter">(</span>exemplar<span class="Delimiter">,</span> <span class="Constant">"names"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L69" class="LineNr"> 69 </span> <a href='003trace.cc.html#L196'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"missing /names property for space variable '"</span> << exemplar<span class="Delimiter">.</span>name << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span> +<span id="L69" class="LineNr"> 69 </span> <a href='003trace.cc.html#L196'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"missing /names property for space variable '"</span> << exemplar<span class="Delimiter">.</span>name << <span class="Constant">"'\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span> <span id="L70" class="LineNr"> 70 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span id="L71" class="LineNr"> 71 </span> <span class="Delimiter">}</span> <span id="L72" class="LineNr"> 72 </span> x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>pair<string<span class="Delimiter">,</span> string_tree*><span class="Delimiter">(</span><span class="Constant">"names"</span><span class="Delimiter">,</span> <span class="Normal">new</span> string_tree<span class="Delimiter">(</span>*property<span class="Delimiter">(</span>exemplar<span class="Delimiter">,</span> <span class="Constant">"names"</span><span class="Delimiter">))));</span> @@ -141,7 +144,7 @@ if ('onhashchange' in window) { <span id="L78" class="LineNr"> 78 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// might get filled in by other logic later</span> <span id="L79" class="LineNr"> 79 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='041jump_target.cc.html#L11'>is_jump_target</a><span class="Delimiter">(</span>x<span class="Delimiter">.</span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span> <span id="L80" class="LineNr"> 80 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>atom || x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>name != <span class="Constant">"label"</span><span class="Delimiter">)</span> -<span id="L81" class="LineNr"> 81 </span> <a href='003trace.cc.html#L196'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"non-label '"</span> << x<span class="Delimiter">.</span>name << <span class="Constant">"' must begin with a letter</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span> +<span id="L81" class="LineNr"> 81 </span> <a href='003trace.cc.html#L196'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"non-label '"</span> << x<span class="Delimiter">.</span>name << <span class="Constant">"' must begin with a letter\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span> <span id="L82" class="LineNr"> 82 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span id="L83" class="LineNr"> 83 </span> <span class="Delimiter">}</span> <span id="L84" class="LineNr"> 84 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>known_types<span class="Delimiter">.</span>find<span class="Delimiter">(</span>x<span class="Delimiter">)</span> == known_types<span class="Delimiter">.</span><a href='003trace.cc.html#L225'>end</a><span class="Delimiter">())</span> <span class="Delimiter">{</span> @@ -149,17 +152,17 @@ if ('onhashchange' in window) { <span id="L86" class="LineNr"> 86 </span> known_types<span class="Delimiter">.</span>insert<span class="Delimiter">(</span>x<span class="Delimiter">);</span> <span id="L87" class="LineNr"> 87 </span> <span class="Delimiter">}</span> <span id="L88" class="LineNr"> 88 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!types_strictly_match<span class="Delimiter">(</span>known_types<span class="Delimiter">.</span>find<span class="Delimiter">(</span>x<span class="Delimiter">)-></span>type<span class="Delimiter">,</span> x<span class="Delimiter">.</span>type<span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L89" class="LineNr"> 89 </span> <a href='003trace.cc.html#L196'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"'"</span> << x<span class="Delimiter">.</span>name << <span class="Constant">"' used with multiple types</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span> +<span id="L89" class="LineNr"> 89 </span> <a href='003trace.cc.html#L196'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"'"</span> << x<span class="Delimiter">.</span>name << <span class="Constant">"' used with multiple types\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span> <span id="L90" class="LineNr"> 90 </span> <a href='003trace.cc.html#L196'>raise</a> << <span class="Constant">" "</span> << <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>known_types<span class="Delimiter">.</span>find<span class="Delimiter">(</span>x<span class="Delimiter">)-></span>type<span class="Delimiter">)</span> << <span class="Constant">" vs "</span> << <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> << <span class="cSpecial">'\n'</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span> <span id="L91" class="LineNr"> 91 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span id="L92" class="LineNr"> 92 </span> <span class="Delimiter">}</span> <span id="L93" class="LineNr"> 93 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_mu_array<span class="Delimiter">(</span>x<span class="Delimiter">))</span> <span class="Delimiter">{</span> <span id="L94" class="LineNr"> 94 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L95" class="LineNr"> 95 </span> <a href='003trace.cc.html#L196'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"'"</span> << x<span class="Delimiter">.</span>name << <span class="Constant">": can't be just an array. What is it an array of?</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span> +<span id="L95" class="LineNr"> 95 </span> <a href='003trace.cc.html#L196'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"'"</span> << x<span class="Delimiter">.</span>name << <span class="Constant">": can't be just an array. What is it an array of?\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span> <span id="L96" class="LineNr"> 96 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span id="L97" class="LineNr"> 97 </span> <span class="Delimiter">}</span> <span id="L98" class="LineNr"> 98 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>right<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L99" class="LineNr"> 99 </span> <a href='003trace.cc.html#L196'>raise</a> << caller<span class="Delimiter">.</span>name << <span class="Constant">" can't determine the size of array variable '"</span> << x<span class="Delimiter">.</span>name << <span class="Constant">"'. Either allocate it separately and make the type of '"</span> << x<span class="Delimiter">.</span>name << <span class="Constant">"' an address, or specify the length of the array in the type of '"</span> << x<span class="Delimiter">.</span>name << <span class="Constant">"'.</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> +<span id="L99" class="LineNr"> 99 </span> <a href='003trace.cc.html#L196'>raise</a> << caller<span class="Delimiter">.</span>name << <span class="Constant">" can't determine the size of array variable '"</span> << x<span class="Delimiter">.</span>name << <span class="Constant">"'. Either allocate it separately and make the type of '"</span> << x<span class="Delimiter">.</span>name << <span class="Constant">"' an address, or specify the length of the array in the type of '"</span> << x<span class="Delimiter">.</span>name << <span class="Constant">"'.\n"</span> << end<span class="Delimiter">();</span> <span id="L100" class="LineNr">100 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span id="L101" class="LineNr">101 </span> <span class="Delimiter">}</span> <span id="L102" class="LineNr">102 </span> <span class="Delimiter">}</span> @@ -167,8 +170,8 @@ if ('onhashchange' in window) { <span id="L104" class="LineNr">104 </span> <span id="L105" class="LineNr">105 </span><a href='010vm.cc.html#L14'>recipe_ordinal</a> <a href='046check_type_by_name.cc.html#L105'>owning_recipe</a><span class="Delimiter">(</span><span class="Normal">const</span> reagent& x<span class="Delimiter">,</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L106" class="LineNr">106 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> s = <a href='044space_surround.cc.html#L56'>space_index</a><span class="Delimiter">(</span>x<span class="Delimiter">);</span> s > <span class="Constant">0</span><span class="Delimiter">;</span> --s<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L107" class="LineNr">107 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Surrounding_space<span class="Delimiter">,</span> r<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Comment">// error raised elsewhere</span> -<span id="L108" class="LineNr">108 </span> r = Surrounding_space[r]<span class="Delimiter">;</span> +<span id="L107" class="LineNr">107 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span><span class="Special">Surrounding_space</span><span class="Delimiter">,</span> r<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Comment">// error raised elsewhere</span> +<span id="L108" class="LineNr">108 </span> r = <span class="Special">Surrounding_space</span>[r]<span class="Delimiter">;</span> <span id="L109" class="LineNr">109 </span> <span class="Delimiter">}</span> <span id="L110" class="LineNr">110 </span> <span class="Identifier">return</span> r<span class="Delimiter">;</span> <span id="L111" class="LineNr">111 </span><span class="Delimiter">}</span> |