diff options
| author | Kartik K. Agaram <vc@akkartik.com> | 2017-06-20 10:40:07 -0700 |
|---|---|---|
| committer | Kartik K. Agaram <vc@akkartik.com> | 2017-06-20 10:40:07 -0700 |
| commit | 124c67645cb6f1b9f06d7104c5398fa4732e2f25 (patch) | |
| tree | 8d4419ff18f494d4ad5e3318820764c5fa4c474a | |
| parent | 130596f0e0efe89a4bee136c1d62ecc577c756e2 (diff) | |
| download | mu-124c67645cb6f1b9f06d7104c5398fa4732e2f25.tar.gz | |
3934
| -rw-r--r-- | html/061text.mu.html | 12 | ||||
| -rw-r--r-- | html/063array.mu.html | 8 | ||||
| -rw-r--r-- | html/070table.mu.html | 16 | ||||
| -rw-r--r-- | html/075channel.mu.html | 886 | ||||
| -rw-r--r-- | html/081print.mu.html | 10 | ||||
| -rw-r--r-- | html/084console.mu.html | 2 | ||||
| -rw-r--r-- | html/088file.mu.html | 6 | ||||
| -rw-r--r-- | html/090scenario_filesystem_test.mu.html | 16 | ||||
| -rw-r--r-- | html/092socket.mu.html | 8 | ||||
| -rw-r--r-- | html/channel.mu.html | 2 | ||||
| -rw-r--r-- | html/chessboard.mu.html | 28 | ||||
| -rw-r--r-- | html/filesystem.mu.html | 2 | ||||
| -rw-r--r-- | html/http-server.mu.html | 2 | ||||
| -rw-r--r-- | html/real-files.mu.html | 2 |
14 files changed, 510 insertions, 490 deletions
diff --git a/html/061text.mu.html b/html/061text.mu.html index b047154b..f380a9d3 100644 --- a/html/061text.mu.html +++ b/html/061text.mu.html @@ -190,17 +190,17 @@ if ('onhashchange' in window) { <span id="L128" class="LineNr"> 128 </span> data:&:@:_elem <span id="L129" class="LineNr"> 129 </span>] <span id="L130" class="LineNr"> 130 </span> -<span id="L131" class="LineNr"> 131 </span><span class="muRecipe">def</span> <a href='061text.mu.html#L131'>new-buffer</a> <a href='075channel.mu.html#L379'>capacity</a>:num<span class="muRecipe"> -> </span>result:&:<a href='061text.mu.html#L126'>buffer</a>:_elem [ +<span id="L131" class="LineNr"> 131 </span><span class="muRecipe">def</span> <a href='061text.mu.html#L131'>new-buffer</a> <a href='075channel.mu.html#L399'>capacity</a>:num<span class="muRecipe"> -> </span>result:&:<a href='061text.mu.html#L126'>buffer</a>:_elem [ <span id="L132" class="LineNr"> 132 </span> <span class="Constant">local-scope</span> <span id="L133" class="LineNr"> 133 </span> <span class="Constant">load-ingredients</span> <span id="L134" class="LineNr"> 134 </span> result <span class="Special"><-</span> new <span class="Delimiter">{</span>(buffer _elem): type<span class="Delimiter">}</span> <span id="L135" class="LineNr"> 135 </span> *result <span class="Special"><-</span> put *result, <span class="Constant">length:offset</span>,<span class="Constant"> 0</span> <span id="L136" class="LineNr"> 136 </span> <span class="Delimiter">{</span> -<span id="L137" class="LineNr"> 137 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> <a href='075channel.mu.html#L379'>capacity</a> +<span id="L137" class="LineNr"> 137 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> <a href='075channel.mu.html#L399'>capacity</a> <span id="L138" class="LineNr"> 138 </span> <span class="Conceal">¦</span> <span class="Comment"># capacity not provided</span> -<span id="L139" class="LineNr"> 139 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L379'>capacity</a> <span class="Special"><-</span> copy<span class="Constant"> 10</span> +<span id="L139" class="LineNr"> 139 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L399'>capacity</a> <span class="Special"><-</span> copy<span class="Constant"> 10</span> <span id="L140" class="LineNr"> 140 </span> <span class="Delimiter">}</span> -<span id="L141" class="LineNr"> 141 </span> data:&:@:_elem <span class="Special"><-</span> new <span class="Constant">_elem:type</span>, <a href='075channel.mu.html#L379'>capacity</a> +<span id="L141" class="LineNr"> 141 </span> data:&:@:_elem <span class="Special"><-</span> new <span class="Constant">_elem:type</span>, <a href='075channel.mu.html#L399'>capacity</a> <span id="L142" class="LineNr"> 142 </span> *result <span class="Special"><-</span> put *result, <span class="Constant">data:offset</span>, data <span id="L143" class="LineNr"> 143 </span> <span class="muControl">return</span> result <span id="L144" class="LineNr"> 144 </span>] @@ -231,8 +231,8 @@ if ('onhashchange' in window) { <span id="L169" class="LineNr"> 169 </span> <span class="Constant">load-ingredients</span> <span id="L170" class="LineNr"> 170 </span> len:num <span class="Special"><-</span> get *in, <span class="Constant">length:offset</span> <span id="L171" class="LineNr"> 171 </span> s:&:@:_elem <span class="Special"><-</span> get *in, <span class="Constant">data:offset</span> -<span id="L172" class="LineNr"> 172 </span> <a href='075channel.mu.html#L379'>capacity</a>:num <span class="Special"><-</span> length *s -<span id="L173" class="LineNr"> 173 </span> result <span class="Special"><-</span> greater-or-equal len, <a href='075channel.mu.html#L379'>capacity</a> +<span id="L172" class="LineNr"> 172 </span> <a href='075channel.mu.html#L399'>capacity</a>:num <span class="Special"><-</span> length *s +<span id="L173" class="LineNr"> 173 </span> result <span class="Special"><-</span> greater-or-equal len, <a href='075channel.mu.html#L399'>capacity</a> <span id="L174" class="LineNr"> 174 </span>] <span id="L175" class="LineNr"> 175 </span> <span id="L176" class="LineNr"> 176 </span><span class="Comment"># most broadly applicable definition of append to a buffer</span> diff --git a/html/063array.mu.html b/html/063array.mu.html index f4c97ebb..8ec4072b 100644 --- a/html/063array.mu.html +++ b/html/063array.mu.html @@ -76,20 +76,20 @@ if ('onhashchange' in window) { <span id="L15" class="LineNr"> 15 </span><span class="Comment"># create an array out of a list of args</span> <span id="L16" class="LineNr"> 16 </span><span class="muRecipe">def</span> <a href='063array.mu.html#L16'>new-array</a><span class="muRecipe"> -> </span>result:&:@:_elem [ <span id="L17" class="LineNr"> 17 </span> <span class="Constant">local-scope</span> -<span id="L18" class="LineNr"> 18 </span> <a href='075channel.mu.html#L379'>capacity</a>:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> +<span id="L18" class="LineNr"> 18 </span> <a href='075channel.mu.html#L399'>capacity</a>:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> <span id="L19" class="LineNr"> 19 </span> <span class="Delimiter">{</span> <span id="L20" class="LineNr"> 20 </span> <span class="Conceal">¦</span> <span class="Comment"># while read curr-value</span> <span id="L21" class="LineNr"> 21 </span> <span class="Conceal">¦</span> curr-value:_elem, exists?:bool <span class="Special"><-</span> <span class="Constant">next-ingredient</span> <span id="L22" class="LineNr"> 22 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> exists? -<span id="L23" class="LineNr"> 23 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L379'>capacity</a> <span class="Special"><-</span> add <a href='075channel.mu.html#L379'>capacity</a>,<span class="Constant"> 1</span> +<span id="L23" class="LineNr"> 23 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L399'>capacity</a> <span class="Special"><-</span> add <a href='075channel.mu.html#L399'>capacity</a>,<span class="Constant"> 1</span> <span id="L24" class="LineNr"> 24 </span> <span class="Conceal">¦</span> <span class="muControl">loop</span> <span id="L25" class="LineNr"> 25 </span> <span class="Delimiter">}</span> -<span id="L26" class="LineNr"> 26 </span> result <span class="Special"><-</span> new <span class="Constant">_elem:type</span>, <a href='075channel.mu.html#L379'>capacity</a> +<span id="L26" class="LineNr"> 26 </span> result <span class="Special"><-</span> new <span class="Constant">_elem:type</span>, <a href='075channel.mu.html#L399'>capacity</a> <span id="L27" class="LineNr"> 27 </span> <span class="Constant">rewind-ingredients</span> <span id="L28" class="LineNr"> 28 </span> i:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> <span id="L29" class="LineNr"> 29 </span> <span class="Delimiter">{</span> <span id="L30" class="LineNr"> 30 </span> <span class="Conceal">¦</span> <span class="Comment"># while read curr-value</span> -<span id="L31" class="LineNr"> 31 </span> <span class="Conceal">¦</span> done?:bool <span class="Special"><-</span> greater-or-equal i, <a href='075channel.mu.html#L379'>capacity</a> +<span id="L31" class="LineNr"> 31 </span> <span class="Conceal">¦</span> done?:bool <span class="Special"><-</span> greater-or-equal i, <a href='075channel.mu.html#L399'>capacity</a> <span id="L32" class="LineNr"> 32 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> done? <span id="L33" class="LineNr"> 33 </span> <span class="Conceal">¦</span> curr-value:_elem, exists?:bool <span class="Special"><-</span> <span class="Constant">next-ingredient</span> <span id="L34" class="LineNr"> 34 </span> <span class="Conceal">¦</span> assert exists?, <span class="Constant">[error in rewinding ingredients to new-array]</span> diff --git a/html/070table.mu.html b/html/070table.mu.html index 603e9997..c5d0c6ac 100644 --- a/html/070table.mu.html +++ b/html/070table.mu.html @@ -105,7 +105,7 @@ if ('onhashchange' in window) { <span id="L43" class="LineNr"> 43 </span> <span id="L44" class="LineNr"> 44 </span><span class="muData">container</span> <a href='070table.mu.html#L44'>table</a>:_key:_value [ <span id="L45" class="LineNr"> 45 </span> length:num -<span id="L46" class="LineNr"> 46 </span> <a href='075channel.mu.html#L379'>capacity</a>:num +<span id="L46" class="LineNr"> 46 </span> <a href='075channel.mu.html#L399'>capacity</a>:num <span id="L47" class="LineNr"> 47 </span> data:&:@:<a href='070table.mu.html#L50'>table-row</a>:_key:_value <span id="L48" class="LineNr"> 48 </span>] <span id="L49" class="LineNr"> 49 </span> @@ -115,12 +115,12 @@ if ('onhashchange' in window) { <span id="L53" class="LineNr"> 53 </span> value:_value <span id="L54" class="LineNr"> 54 </span>] <span id="L55" class="LineNr"> 55 </span> -<span id="L56" class="LineNr"> 56 </span><span class="muRecipe">def</span> <a href='070table.mu.html#L56'>new-table</a> <a href='075channel.mu.html#L379'>capacity</a>:num<span class="muRecipe"> -> </span>result:&:<a href='070table.mu.html#L44'>table</a>:_key:_value [ +<span id="L56" class="LineNr"> 56 </span><span class="muRecipe">def</span> <a href='070table.mu.html#L56'>new-table</a> <a href='075channel.mu.html#L399'>capacity</a>:num<span class="muRecipe"> -> </span>result:&:<a href='070table.mu.html#L44'>table</a>:_key:_value [ <span id="L57" class="LineNr"> 57 </span> <span class="Constant">local-scope</span> <span id="L58" class="LineNr"> 58 </span> <span class="Constant">load-ingredients</span> <span id="L59" class="LineNr"> 59 </span> result <span class="Special"><-</span> new <span class="Delimiter">{</span>(table _key _value): type<span class="Delimiter">}</span> -<span id="L60" class="LineNr"> 60 </span> data:&:@:<a href='070table.mu.html#L50'>table-row</a>:_key:_value <span class="Special"><-</span> new <span class="Delimiter">{</span>(table-row _key _value): type<span class="Delimiter">}</span>, <a href='075channel.mu.html#L379'>capacity</a> -<span id="L61" class="LineNr"> 61 </span> *result <span class="Special"><-</span> merge <span class="Constant">0/length</span>, <a href='075channel.mu.html#L379'>capacity</a>, data +<span id="L60" class="LineNr"> 60 </span> data:&:@:<a href='070table.mu.html#L50'>table-row</a>:_key:_value <span class="Special"><-</span> new <span class="Delimiter">{</span>(table-row _key _value): type<span class="Delimiter">}</span>, <a href='075channel.mu.html#L399'>capacity</a> +<span id="L61" class="LineNr"> 61 </span> *result <span class="Special"><-</span> merge <span class="Constant">0/length</span>, <a href='075channel.mu.html#L399'>capacity</a>, data <span id="L62" class="LineNr"> 62 </span>] <span id="L63" class="LineNr"> 63 </span> <span id="L64" class="LineNr"> 64 </span><span class="Comment"># todo: tag results as /required so that call-sites are forbidden from ignoring them</span> @@ -130,8 +130,8 @@ if ('onhashchange' in window) { <span id="L68" class="LineNr"> 68 </span> <span class="Constant">load-ingredients</span> <span id="L69" class="LineNr"> 69 </span> hash:num <span class="Special"><-</span> hash key <span id="L70" class="LineNr"> 70 </span> hash <span class="Special"><-</span> <a href='070table.mu.html#L103'>abs</a> hash -<span id="L71" class="LineNr"> 71 </span> <a href='075channel.mu.html#L379'>capacity</a>:num <span class="Special"><-</span> get *table, <span class="Constant"><a href='075channel.mu.html#L379'>capacity</a>:offset</span> -<span id="L72" class="LineNr"> 72 </span> _, hash-key:num <span class="Special"><-</span> divide-with-remainder hash, <a href='075channel.mu.html#L379'>capacity</a> +<span id="L71" class="LineNr"> 71 </span> <a href='075channel.mu.html#L399'>capacity</a>:num <span class="Special"><-</span> get *table, <span class="Constant"><a href='075channel.mu.html#L399'>capacity</a>:offset</span> +<span id="L72" class="LineNr"> 72 </span> _, hash-key:num <span class="Special"><-</span> divide-with-remainder hash, <a href='075channel.mu.html#L399'>capacity</a> <span id="L73" class="LineNr"> 73 </span> hash-key <span class="Special"><-</span> <a href='070table.mu.html#L103'>abs</a> hash-key <span class="Comment"># in case hash overflows from a double into a negative integer inside 'divide-with-remainder' above</span> <span id="L74" class="LineNr"> 74 </span> table-data:&:@:<a href='070table.mu.html#L50'>table-row</a>:_key:_value <span class="Special"><-</span> get *table, <span class="Constant">data:offset</span> <span id="L75" class="LineNr"> 75 </span> x:<a href='070table.mu.html#L50'>table-row</a>:_key:_value <span class="Special"><-</span> index *table-data, hash-key @@ -147,8 +147,8 @@ if ('onhashchange' in window) { <span id="L85" class="LineNr"> 85 </span> <span class="Constant">load-ingredients</span> <span id="L86" class="LineNr"> 86 </span> hash:num <span class="Special"><-</span> hash key <span id="L87" class="LineNr"> 87 </span> hash <span class="Special"><-</span> <a href='070table.mu.html#L103'>abs</a> hash -<span id="L88" class="LineNr"> 88 </span> <a href='075channel.mu.html#L379'>capacity</a>:num <span class="Special"><-</span> get *table, <span class="Constant"><a href='075channel.mu.html#L379'>capacity</a>:offset</span> -<span id="L89" class="LineNr"> 89 </span> _, hash-key:num <span class="Special"><-</span> divide-with-remainder hash, <a href='075channel.mu.html#L379'>capacity</a> +<span id="L88" class="LineNr"> 88 </span> <a href='075channel.mu.html#L399'>capacity</a>:num <span class="Special"><-</span> get *table, <span class="Constant"><a href='075channel.mu.html#L399'>capacity</a>:offset</span> +<span id="L89" class="LineNr"> 89 </span> _, hash-key:num <span class="Special"><-</span> divide-with-remainder hash, <a href='075channel.mu.html#L399'>capacity</a> <span id="L90" class="LineNr"> 90 </span> hash-key <span class="Special"><-</span> <a href='070table.mu.html#L103'>abs</a> hash-key <span class="Comment"># in case hash overflows from a double into a negative integer inside 'divide-with-remainder' above</span> <span id="L91" class="LineNr"> 91 </span> table-data:&:@:<a href='070table.mu.html#L50'>table-row</a>:_key:_value <span class="Special"><-</span> get *table, <span class="Constant">data:offset</span> <span id="L92" class="LineNr"> 92 </span> x:<a href='070table.mu.html#L50'>table-row</a>:_key:_value <span class="Special"><-</span> index *table-data, hash-key diff --git a/html/075channel.mu.html b/html/075channel.mu.html index d6705535..6cc72808 100644 --- a/html/075channel.mu.html +++ b/html/075channel.mu.html @@ -82,7 +82,7 @@ if ('onhashchange' in window) { <span id="L18" class="LineNr"> 18 </span> run [ <span id="L19" class="LineNr"> 19 </span> <span class="Conceal">¦</span> <span class="Constant">local-scope</span> <span id="L20" class="LineNr"> 20 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L43'>source</a>:&:<a href='075channel.mu.html#L43'>source</a>:num, <a href='075channel.mu.html#L47'>sink</a>:&:<a href='075channel.mu.html#L47'>sink</a>:num <span class="Special"><-</span> <a href='075channel.mu.html#L51'>new-channel</a> <span class="Constant">3/capacity</span> -<span id="L21" class="LineNr"> 21 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> <a href='075channel.mu.html#L47'>sink</a>,<span class="Constant"> 34</span> +<span id="L21" class="LineNr"> 21 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>,<span class="Constant"> 34</span> <span id="L22" class="LineNr"> 22 </span> <span class="Conceal">¦</span> 10:num/<span class="Special">raw</span>, 11:bool/<span class="Special">raw</span>, <a href='075channel.mu.html#L43'>source</a> <span class="Special"><-</span> read <a href='075channel.mu.html#L43'>source</a> <span id="L23" class="LineNr"> 23 </span> ] <span id="L24" class="LineNr"> 24 </span> memory-should-contain [ @@ -96,8 +96,8 @@ if ('onhashchange' in window) { <span id="L32" class="LineNr"> 32 </span> first-full:num <span class="Comment"># for write</span> <span id="L33" class="LineNr"> 33 </span> first-free:num <span class="Comment"># for read</span> <span id="L34" class="LineNr"> 34 </span> <span class="Comment"># A circular buffer contains values from index first-full up to (but not</span> -<span id="L35" class="LineNr"> 35 </span> <span class="Comment"># including) index first-empty. The reader always modifies it at first-full,</span> -<span id="L36" class="LineNr"> 36 </span> <span class="Comment"># while the writer always modifies it at first-empty.</span> +<span id="L35" class="LineNr"> 35 </span> <span class="Comment"># including) index first-free. The reader always modifies it at first-full,</span> +<span id="L36" class="LineNr"> 36 </span> <span class="Comment"># while the writer always modifies it at first-free.</span> <span id="L37" class="LineNr"> 37 </span> data:&:@:_elem <span id="L38" class="LineNr"> 38 </span>] <span id="L39" class="LineNr"> 39 </span> @@ -112,14 +112,14 @@ if ('onhashchange' in window) { <span id="L48" class="LineNr"> 48 </span> chan:&:channel:_elem <span id="L49" class="LineNr"> 49 </span>] <span id="L50" class="LineNr"> 50 </span> -<span id="L51" class="LineNr"> 51 </span><span class="muRecipe">def</span> <a href='075channel.mu.html#L51'>new-channel</a> <a href='075channel.mu.html#L379'>capacity</a>:num<span class="muRecipe"> -> </span>in:&:<a href='075channel.mu.html#L43'>source</a>:_elem, out:&:<a href='075channel.mu.html#L47'>sink</a>:_elem [ +<span id="L51" class="LineNr"> 51 </span><span class="muRecipe">def</span> <a href='075channel.mu.html#L51'>new-channel</a> <a href='075channel.mu.html#L399'>capacity</a>:num<span class="muRecipe"> -> </span>in:&:<a href='075channel.mu.html#L43'>source</a>:_elem, out:&:<a href='075channel.mu.html#L47'>sink</a>:_elem [ <span id="L52" class="LineNr"> 52 </span> <span class="Constant">local-scope</span> <span id="L53" class="LineNr"> 53 </span> <span class="Constant">load-ingredients</span> <span id="L54" class="LineNr"> 54 </span> result:&:channel:_elem <span class="Special"><-</span> new <span class="Delimiter">{</span>(channel _elem): type<span class="Delimiter">}</span> <span id="L55" class="LineNr"> 55 </span> *result <span class="Special"><-</span> put *result, <span class="Constant">first-full:offset</span>,<span class="Constant"> 0</span> <span id="L56" class="LineNr"> 56 </span> *result <span class="Special"><-</span> put *result, <span class="Constant">first-free:offset</span>,<span class="Constant"> 0</span> -<span id="L57" class="LineNr"> 57 </span> <a href='075channel.mu.html#L379'>capacity</a> <span class="Special"><-</span> add <a href='075channel.mu.html#L379'>capacity</a>,<span class="Constant"> 1</span> <span class="Comment"># unused slot for 'full?' below</span> -<span id="L58" class="LineNr"> 58 </span> data:&:@:_elem <span class="Special"><-</span> new <span class="Constant">_elem:type</span>, <a href='075channel.mu.html#L379'>capacity</a> +<span id="L57" class="LineNr"> 57 </span> <a href='075channel.mu.html#L399'>capacity</a> <span class="Special"><-</span> add <a href='075channel.mu.html#L399'>capacity</a>,<span class="Constant"> 1</span> <span class="Comment"># unused slot for 'full?' below</span> +<span id="L58" class="LineNr"> 58 </span> data:&:@:_elem <span class="Special"><-</span> new <span class="Constant">_elem:type</span>, <a href='075channel.mu.html#L399'>capacity</a> <span id="L59" class="LineNr"> 59 </span> *result <span class="Special"><-</span> put *result, <span class="Constant">data:offset</span>, data <span id="L60" class="LineNr"> 60 </span> in <span class="Special"><-</span> new <span class="Delimiter">{</span>(source _elem): type<span class="Delimiter">}</span> <span id="L61" class="LineNr"> 61 </span> *in <span class="Special"><-</span> put *in, <span class="Constant">chan:offset</span>, result @@ -127,439 +127,459 @@ if ('onhashchange' in window) { <span id="L63" class="LineNr"> 63 </span> *out <span class="Special"><-</span> put *out, <span class="Constant">chan:offset</span>, result <span id="L64" class="LineNr"> 64 </span>] <span id="L65" class="LineNr"> 65 </span> -<span id="L66" class="LineNr"> 66 </span><span class="muRecipe">def</span> <a href='075channel.mu.html#L66'>write</a> out:&:<a href='075channel.mu.html#L47'>sink</a>:_elem, val:_elem<span class="muRecipe"> -> </span>out:&:<a href='075channel.mu.html#L47'>sink</a>:_elem [ -<span id="L67" class="LineNr"> 67 </span> <span class="Constant">local-scope</span> -<span id="L68" class="LineNr"> 68 </span> <span class="Constant">load-ingredients</span> -<span id="L69" class="LineNr"> 69 </span> assert out, <span class="Constant">[write to null channel]</span> -<span id="L70" class="LineNr"> 70 </span> chan:&:channel:_elem <span class="Special"><-</span> get *out, <span class="Constant">chan:offset</span> -<span id="L71" class="LineNr"> 71 </span><span class="Constant"> <a href='075channel.mu.html#L71'><channel-write-initial></a></span> -<span id="L72" class="LineNr"> 72 </span> <span class="Comment"># block until lock is acquired AND queue has room</span> -<span id="L73" class="LineNr"> 73 </span> lock:location <span class="Special"><-</span> get-location *chan, <span class="Constant">lock:offset</span> -<span id="L74" class="LineNr"> 74 </span><span class="CommentedCode">#? $print [write], 10/newline</span> -<span id="L75" class="LineNr"> 75 </span> <span class="Delimiter">{</span> -<span id="L76" class="LineNr"> 76 </span><span class="CommentedCode">#? $print [trying to acquire lock for writing], 10/newline</span> -<span id="L77" class="LineNr"> 77 </span> <span class="Conceal">¦</span> wait-for-reset-then-set lock -<span id="L78" class="LineNr"> 78 </span><span class="CommentedCode">#? $print [lock acquired for writing], 10/newline</span> -<span id="L79" class="LineNr"> 79 </span> <span class="Conceal">¦</span> full?:bool <span class="Special"><-</span> <a href='075channel.mu.html#L361'>channel-full?</a> chan -<span id="L80" class="LineNr"> 80 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> full? -<span id="L81" class="LineNr"> 81 </span><span class="CommentedCode">#? $print [but channel is full; relinquishing lock], 10/newline</span> -<span id="L82" class="LineNr"> 82 </span> <span class="Conceal">¦</span> <span class="Comment"># channel is full; relinquish lock and give a reader the opportunity to</span> -<span id="L83" class="LineNr"> 83 </span> <span class="Conceal">¦</span> <span class="Comment"># create room on it</span> -<span id="L84" class="LineNr"> 84 </span> <span class="Conceal">¦</span> reset lock -<span id="L85" class="LineNr"> 85 </span> <span class="Conceal">¦</span> current-routine-is-blocked -<span id="L86" class="LineNr"> 86 </span> <span class="Conceal">¦</span> switch <span class="Comment"># avoid spinlocking</span> -<span id="L87" class="LineNr"> 87 </span> <span class="Conceal">¦</span> <span class="muControl">loop</span> -<span id="L88" class="LineNr"> 88 </span> <span class="Delimiter">}</span> -<span id="L89" class="LineNr"> 89 </span> current-routine-is-unblocked -<span id="L90" class="LineNr"> 90 </span><span class="CommentedCode">#? $print [performing write], 10/newline</span> -<span id="L91" class="LineNr"> 91 </span> <span class="Comment"># store a deep copy of val</span> -<span id="L92" class="LineNr"> 92 </span> circular-buffer:&:@:_elem <span class="Special"><-</span> get *chan, <span class="Constant">data:offset</span> -<span id="L93" class="LineNr"> 93 </span> free:num <span class="Special"><-</span> get *chan, <span class="Constant">first-free:offset</span> -<span id="L94" class="LineNr"> 94 </span> val-copy:_elem <span class="Special"><-</span> deep-copy val <span class="Comment"># on this instruction rests all Mu's concurrency-safety</span> -<span id="L95" class="LineNr"> 95 </span> *circular-buffer <span class="Special"><-</span> put-index *circular-buffer, free, val-copy -<span id="L96" class="LineNr"> 96 </span> <span class="Comment"># mark its slot as filled</span> -<span id="L97" class="LineNr"> 97 </span> free <span class="Special"><-</span> add free,<span class="Constant"> 1</span> -<span id="L98" class="LineNr"> 98 </span> <span class="Delimiter">{</span> -<span id="L99" class="LineNr"> 99 </span> <span class="Conceal">¦</span> <span class="Comment"># wrap free around to 0 if necessary</span> -<span id="L100" class="LineNr">100 </span> <span class="Conceal">¦</span> len:num <span class="Special"><-</span> length *circular-buffer -<span id="L101" class="LineNr">101 </span> <span class="Conceal">¦</span> at-end?:bool <span class="Special"><-</span> greater-or-equal free, len -<span id="L102" class="LineNr">102 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> at-end? -<span id="L103" class="LineNr">103 </span> <span class="Conceal">¦</span> free <span class="Special"><-</span> copy<span class="Constant"> 0</span> -<span id="L104" class="LineNr">104 </span> <span class="Delimiter">}</span> -<span id="L105" class="LineNr">105 </span> <span class="Comment"># write back</span> -<span id="L106" class="LineNr">106 </span> *chan <span class="Special"><-</span> put *chan, <span class="Constant">first-free:offset</span>, free -<span id="L107" class="LineNr">107 </span><span class="CommentedCode">#? $print [relinquishing lock after writing], 10/newline</span> -<span id="L108" class="LineNr">108 </span> reset lock -<span id="L109" class="LineNr">109 </span>] -<span id="L110" class="LineNr">110 </span> -<span id="L111" class="LineNr">111 </span><span class="muRecipe">def</span> read in:&:<a href='075channel.mu.html#L43'>source</a>:_elem<span class="muRecipe"> -> </span>result:_elem, eof?:bool, in:&:<a href='075channel.mu.html#L43'>source</a>:_elem [ -<span id="L112" class="LineNr">112 </span> <span class="Constant">local-scope</span> -<span id="L113" class="LineNr">113 </span> <span class="Constant">load-ingredients</span> -<span id="L114" class="LineNr">114 </span> assert in, <span class="Constant">[read on null channel]</span> -<span id="L115" class="LineNr">115 </span> eof? <span class="Special"><-</span> copy <span class="Constant">0/false</span> <span class="Comment"># default result</span> -<span id="L116" class="LineNr">116 </span> chan:&:channel:_elem <span class="Special"><-</span> get *in, <span class="Constant">chan:offset</span> -<span id="L117" class="LineNr">117 </span> <span class="Comment"># block until lock is acquired AND queue has data</span> -<span id="L118" class="LineNr">118 </span> lock:location <span class="Special"><-</span> get-location *chan, <span class="Constant">lock:offset</span> -<span id="L119" class="LineNr">119 </span><span class="CommentedCode">#? $print [read], 10/newline</span> -<span id="L120" class="LineNr">120 </span> <span class="Delimiter">{</span> -<span id="L121" class="LineNr">121 </span><span class="CommentedCode">#? $print [trying to acquire lock for reading], 10/newline</span> -<span id="L122" class="LineNr">122 </span> <span class="Conceal">¦</span> wait-for-reset-then-set lock -<span id="L123" class="LineNr">123 </span><span class="CommentedCode">#? $print [lock acquired for reading], 10/newline</span> -<span id="L124" class="LineNr">124 </span> <span class="Conceal">¦</span> empty?:bool <span class="Special"><-</span> <a href='075channel.mu.html#L350'>channel-empty?</a> chan -<span id="L125" class="LineNr">125 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> empty? -<span id="L126" class="LineNr">126 </span><span class="CommentedCode">#? $print [but channel is empty; relinquishing lock], 10/newline</span> -<span id="L127" class="LineNr">127 </span> <span class="Conceal">¦</span> <span class="Comment"># channel is empty; relinquish lock and give a writer the opportunity to</span> -<span id="L128" class="LineNr">128 </span> <span class="Conceal">¦</span> <span class="Comment"># add to it</span> -<span id="L129" class="LineNr">129 </span> <span class="Conceal">¦</span> reset lock -<span id="L130" class="LineNr">130 </span> <span class="Conceal">¦</span> current-routine-is-blocked -<span id="L131" class="LineNr">131 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <a href='075channel.mu.html#L131'><channel-read-empty></a></span> -<span id="L132" class="LineNr">132 </span> <span class="Conceal">¦</span> switch <span class="Comment"># avoid spinlocking</span> -<span id="L133" class="LineNr">133 </span> <span class="Conceal">¦</span> <span class="muControl">loop</span> -<span id="L134" class="LineNr">134 </span> <span class="Delimiter">}</span> -<span id="L135" class="LineNr">135 </span> current-routine-is-unblocked -<span id="L136" class="LineNr">136 </span> <span class="Comment"># pull result off</span> -<span id="L137" class="LineNr">137 </span> full:num <span class="Special"><-</span> get *chan, <span class="Constant">first-full:offset</span> -<span id="L138" class="LineNr">138 </span> circular-buffer:&:@:_elem <span class="Special"><-</span> get *chan, <span class="Constant">data:offset</span> -<span id="L139" class="LineNr">139 </span> result <span class="Special"><-</span> index *circular-buffer, full -<span id="L140" class="LineNr">140 </span> <span class="Comment"># clear the slot</span> -<span id="L141" class="LineNr">141 </span> empty:&:_elem <span class="Special"><-</span> new <span class="Constant">_elem:type</span> -<span id="L142" class="LineNr">142 </span> *circular-buffer <span class="Special"><-</span> put-index *circular-buffer, full, *empty -<span id="L143" class="LineNr">143 </span> <span class="Comment"># mark its slot as empty</span> -<span id="L144" class="LineNr">144 </span> full <span class="Special"><-</span> add full,<span class="Constant"> 1</span> -<span id="L145" class="LineNr">145 </span> <span class="Delimiter">{</span> -<span id="L146" class="LineNr">146 </span> <span class="Conceal">¦</span> <span class="Comment"># wrap full around to 0 if necessary</span> -<span id="L147" class="LineNr">147 </span> <span class="Conceal">¦</span> len:num <span class="Special"><-</span> length *circular-buffer -<span id="L148" class="LineNr">148 </span> <span class="Conceal">¦</span> at-end?:bool <span class="Special"><-</span> greater-or-equal full, len -<span id="L149" class="LineNr">149 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> at-end? -<span id="L150" class="LineNr">150 </span> <span class="Conceal">¦</span> full <span class="Special"><-</span> copy<span class="Constant"> 0</span> -<span id="L151" class="LineNr">151 </span> <span class="Delimiter">}</span> -<span id="L152" class="LineNr">152 </span> <span class="Comment"># write back</span> -<span id="L153" class="LineNr">153 </span> *chan <span class="Special"><-</span> put *chan, <span class="Constant">first-full:offset</span>, full -<span id="L154" class="LineNr">154 </span><span class="CommentedCode">#? $print [relinquishing lock after reading], 10/newline</span> -<span id="L155" class="LineNr">155 </span> reset lock -<span id="L156" class="LineNr">156 </span>] -<span id="L157" class="LineNr">157 </span> -<span id="L158" class="LineNr">158 </span><span class="Comment"># todo: create a notion of iterator and iterable so we can read/write whole</span> -<span id="L159" class="LineNr">159 </span><span class="Comment"># aggregates (arrays, lists, ..) of _elems at once.</span> -<span id="L160" class="LineNr">160 </span> -<span id="L161" class="LineNr">161 </span><span class="muRecipe">def</span> <a href='075channel.mu.html#L161'>clear</a> in:&:<a href='075channel.mu.html#L43'>source</a>:_elem<span class="muRecipe"> -> </span>in:&:<a href='075channel.mu.html#L43'>source</a>:_elem [ -<span id="L162" class="LineNr">162 </span> <span class="Constant">local-scope</span> -<span id="L163" class="LineNr">163 </span> <span class="Constant">load-ingredients</span> -<span id="L164" class="LineNr">164 </span> chan:&:channel:_elem <span class="Special"><-</span> get *in, <span class="Constant">chan:offset</span> -<span id="L165" class="LineNr">165 </span> <span class="Delimiter">{</span> -<span id="L166" class="LineNr">166 </span> <span class="Conceal">¦</span> empty?:bool <span class="Special"><-</span> <a href='075channel.mu.html#L350'>channel-empty?</a> chan -<span id="L167" class="LineNr">167 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> empty? -<span id="L168" class="LineNr">168 </span> <span class="Conceal">¦</span> _, _, in <span class="Special"><-</span> read in -<span id="L169" class="LineNr">169 </span> <span class="Delimiter">}</span> -<span id="L170" class="LineNr">170 </span>] -<span id="L171" class="LineNr">171 </span> -<span id="L172" class="LineNr">172 </span><span class="muScenario">scenario</span> channel-initialization [ -<span id="L173" class="LineNr">173 </span> run [ -<span id="L174" class="LineNr">174 </span> <span class="Conceal">¦</span> <span class="Constant">local-scope</span> -<span id="L175" class="LineNr">175 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L43'>source</a>:&:<a href='075channel.mu.html#L43'>source</a>:num <span class="Special"><-</span> <a href='075channel.mu.html#L51'>new-channel</a> <span class="Constant">3/capacity</span> -<span id="L176" class="LineNr">176 </span> <span class="Conceal">¦</span> chan:&:channel:num <span class="Special"><-</span> get *source, <span class="Constant">chan:offset</span> -<span id="L177" class="LineNr">177 </span> <span class="Conceal">¦</span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> get *chan, <span class="Constant">first-full:offset</span> -<span id="L178" class="LineNr">178 </span> <span class="Conceal">¦</span> 11:num/<span class="Special">raw</span> <span class="Special"><-</span> get *chan, <span class="Constant">first-free:offset</span> -<span id="L179" class="LineNr">179 </span> ] -<span id="L180" class="LineNr">180 </span> memory-should-contain [ -<span id="L181" class="LineNr">181 </span> <span class="Conceal">¦</span><span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># first-full</span> -<span id="L182" class="LineNr">182 </span> <span class="Conceal">¦</span><span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># first-free</span> -<span id="L183" class="LineNr">183 </span> ] -<span id="L184" class="LineNr">184 </span>] -<span id="L185" class="LineNr">185 </span> -<span id="L186" class="LineNr">186 </span><span class="muScenario">scenario</span> channel-write-increments-free [ -<span id="L187" class="LineNr">187 </span> <span class="Constant">local-scope</span> -<span id="L188" class="LineNr">188 </span> _, <a href='075channel.mu.html#L47'>sink</a>:&:<a href='075channel.mu.html#L47'>sink</a>:num <span class="Special"><-</span> <a href='075channel.mu.html#L51'>new-channel</a> <span class="Constant">3/capacity</span> -<span id="L189" class="LineNr">189 </span> run [ -<span id="L190" class="LineNr">190 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> <a href='075channel.mu.html#L47'>sink</a>,<span class="Constant"> 34</span> -<span id="L191" class="LineNr">191 </span> <span class="Conceal">¦</span> chan:&:channel:num <span class="Special"><-</span> get *sink, <span class="Constant">chan:offset</span> -<span id="L192" class="LineNr">192 </span> <span class="Conceal">¦</span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> get *chan, <span class="Constant">first-full:offset</span> -<span id="L193" class="LineNr">193 </span> <span class="Conceal">¦</span> 11:num/<span class="Special">raw</span> <span class="Special"><-</span> get *chan, <span class="Constant">first-free:offset</span> -<span id="L194" class="LineNr">194 </span> ] -<span id="L195" class="LineNr">195 </span> memory-should-contain [ -<span id="L196" class="LineNr">196 </span> <span class="Conceal">¦</span><span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># first-full</span> -<span id="L197" class="LineNr">197 </span> <span class="Conceal">¦</span><span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># first-free</span> -<span id="L198" class="LineNr">198 </span> ] -<span id="L199" class="LineNr">199 </span>] -<span id="L200" class="LineNr">200 </span> -<span id="L201" class="LineNr">201 </span><span class="muScenario">scenario</span> channel-read-increments-full [ -<span id="L202" class="LineNr">202 </span> <span class="Constant">local-scope</span> -<span id="L203" class="LineNr">203 </span> <a href='075channel.mu.html#L43'>source</a>:&:<a href='075channel.mu.html#L43'>source</a>:num, <a href='075channel.mu.html#L47'>sink</a>:&:<a href='075channel.mu.html#L47'>sink</a>:num <span class="Special"><-</span> <a href='075channel.mu.html#L51'>new-channel</a> <span class="Constant">3/capacity</span> -<span id="L204" class="LineNr">204 </span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> <a href='075channel.mu.html#L47'>sink</a>,<span class="Constant"> 34</span> -<span id="L205" class="LineNr">205 </span> run [ -<span id="L206" class="LineNr">206 </span> <span class="Conceal">¦</span> _, _, <a href='075channel.mu.html#L43'>source</a> <span class="Special"><-</span> read <a href='075channel.mu.html#L43'>source</a> -<span id="L207" class="LineNr">207 </span> <span class="Conceal">¦</span> chan:&:channel:num <span class="Special"><-</span> get *source, <span class="Constant">chan:offset</span> -<span id="L208" class="LineNr">208 </span> <span class="Conceal">¦</span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> get *chan, <span class="Constant">first-full:offset</span> -<span id="L209" class="LineNr">209 </span> <span class="Conceal">¦</span> 11:num/<span class="Special">raw</span> <span class="Special"><-</span> get *chan, <span class="Constant">first-free:offset</span> -<span id="L210" class="LineNr">210 </span> ] -<span id="L211" class="LineNr">211 </span> memory-should-contain [ -<span id="L212" class="LineNr">212 </span> <span class="Conceal">¦</span><span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># first-full</span> -<span id="L213" class="LineNr">213 </span> <span class="Conceal">¦</span><span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># first-free</span> -<span id="L214" class="LineNr">214 </span> ] -<span id="L215" class="LineNr">215 </span>] -<span id="L216" class="LineNr">216 </span> -<span id="L217" class="LineNr">217 </span><span class="muScenario">scenario</span> channel-wrap [ -<span id="L218" class="LineNr">218 </span> <span class="Constant">local-scope</span> -<span id="L219" class="LineNr">219 </span> <span class="Comment"># channel with just 1 slot</span> -<span id="L220" class="LineNr">220 </span> <a href='075channel.mu.html#L43'>source</a>:&:<a href='075channel.mu.html#L43'>source</a>:num, <a href='075channel.mu.html#L47'>sink</a>:&:<a href='075channel.mu.html#L47'>sink</a>:num <span class="Special"><-</span> <a href='075channel.mu.html#L51'>new-channel</a> <span class="Constant">1/capacity</span> -<span id="L221" class="LineNr">221 </span> chan:&:channel:num <span class="Special"><-</span> get *source, <span class="Constant">chan:offset</span> -<span id="L222" class="LineNr">222 </span> <span class="Comment"># write and read a value</span> -<span id="L223" class="LineNr">223 </span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> <a href='075channel.mu.html#L47'>sink</a>,<span class="Constant"> 34</span> -<span id="L224" class="LineNr">224 </span> _, _, <a href='075channel.mu.html#L43'>source</a> <span class="Special"><-</span> read <a href='075channel.mu.html#L43'>source</a> -<span id="L225" class="LineNr">225 </span> run [ -<span id="L226" class="LineNr">226 </span> <span class="Conceal">¦</span> <span class="Comment"># first-free will now be 1</span> -<span id="L227" class="LineNr">227 </span> <span class="Conceal">¦</span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> get *chan, <span class="Constant">first-free:offset</span> -<span id="L228" class="LineNr">228 </span> <span class="Conceal">¦</span> 11:num/<span class="Special">raw</span> <span class="Special"><-</span> get *chan, <span class="Constant">first-free:offset</span> -<span id="L229" class="LineNr">229 </span> <span class="Conceal">¦</span> <span class="Comment"># write second value, verify that first-free wraps</span> -<span id="L230" class="LineNr">230 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> <a href='075channel.mu.html#L47'>sink</a>,<span class="Constant"> 34</span> -<span id="L231" class="LineNr">231 </span> <span class="Conceal">¦</span> 20:num/<span class="Special">raw</span> <span class="Special"><-</span> get *chan, <span class="Constant">first-free:offset</span> -<span id="L232" class="LineNr">232 </span> <span class="Conceal">¦</span> <span class="Comment"># read second value, verify that first-full wraps</span> -<span id="L233" class="LineNr">233 </span> <span class="Conceal">¦</span> _, _, <a href='075channel.mu.html#L43'>source</a> <span class="Special"><-</span> read <a href='075channel.mu.html#L43'>source</a> -<span id="L234" class="LineNr">234 </span> <span class="Conceal">¦</span> 30:num/<span class="Special">raw</span> <span class="Special"><-</span> get *chan, <span class="Constant">first-full:offset</span> -<span id="L235" class="LineNr">235 </span> ] -<span id="L236" class="LineNr">236 </span> memory-should-contain [ -<span id="L237" class="LineNr">237 </span> <span class="Conceal">¦</span><span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># first-free after first write</span> -<span id="L238" class="LineNr">238 </span> <span class="Conceal">¦</span><span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># first-full after first read</span> -<span id="L239" class="LineNr">239 </span> <span class="Conceal">¦</span><span class="Constant"> 20</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># first-free after second write, wrapped</span> -<span id="L240" class="LineNr">240 </span> <span class="Conceal">¦</span><span class="Constant"> 30</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># first-full after second read, wrapped</span> -<span id="L241" class="LineNr">241 </span> ] -<span id="L242" class="LineNr">242 </span>] -<span id="L243" class="LineNr">243 </span> -<span id="L244" class="LineNr">244 </span><span class="muScenario">scenario</span> channel-new-empty-not-full [ -<span id="L245" class="LineNr">245 </span> run [ -<span id="L246" class="LineNr">246 </span> <span class="Conceal">¦</span> <span class="Constant">local-scope</span> -<span id="L247" class="LineNr">247 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L43'>source</a>:&:<a href='075channel.mu.html#L43'>source</a>:num <span class="Special"><-</span> <a href='075channel.mu.html#L51'>new-channel</a> <span class="Constant">3/capacity</span> -<span id="L248" class="LineNr">248 </span> <span class="Conceal">¦</span> chan:&:channel:num <span class="Special"><-</span> get *source, <span class="Constant">chan:offset</span> -<span id="L249" class="LineNr">249 </span> <span class="Conceal">¦</span> 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> <a href='075channel.mu.html#L350'>channel-empty?</a> chan -<span id="L250" class="LineNr">250 </span> <span class="Conceal">¦</span> 11:bool/<span class="Special">raw</span> <span class="Special"><-</span> <a href='075channel.mu.html#L361'>channel-full?</a> chan -<span id="L251" class="LineNr">251 </span> ] -<span id="L252" class="LineNr">252 </span> memory-should-contain [ -<span id="L253" class="LineNr">253 </span> <span class="Conceal">¦</span><span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># empty?</span> -<span id="L254" class="LineNr">254 </span> <span class="Conceal">¦</span><span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># full?</span> -<span id="L255" class="LineNr">255 </span> ] -<span id="L256" class="LineNr">256 </span>] -<span id="L257" class="LineNr">257 </span> -<span id="L258" class="LineNr">258 </span><span class="muScenario">scenario</span> channel-write-not-empty [ -<span id="L259" class="LineNr">259 </span> <span class="Constant">local-scope</span> -<span id="L260" class="LineNr">260 </span> <a href='075channel.mu.html#L43'>source</a>:&:<a href='075channel.mu.html#L43'>source</a>:num, <a href='075channel.mu.html#L47'>sink</a>:&:<a href='075channel.mu.html#L47'>sink</a>:num <span class="Special"><-</span> <a href='075channel.mu.html#L51'>new-channel</a> <span class="Constant">3/capacity</span> -<span id="L261" class="LineNr">261 </span> chan:&:channel:num <span class="Special"><-</span> get *source, <span class="Constant">chan:offset</span> -<span id="L262" class="LineNr">262 </span> run [ -<span id="L263" class="LineNr">263 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> <a href='075channel.mu.html#L47'>sink</a>,<span class="Constant"> 34</span> -<span id="L264" class="LineNr">264 </span> <span class="Conceal">¦</span> 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> <a href='075channel.mu.html#L350'>channel-empty?</a> chan -<span id="L265" class="LineNr">265 </span> <span class="Conceal">¦</span> 11:bool/<span class="Special">raw</span> <span class="Special"><-</span> <a href='075channel.mu.html#L361'>channel-full?</a> chan -<span id="L266" class="LineNr">266 </span> ] -<span id="L267" class="LineNr">267 </span> memory-should-contain [ -<span id="L268" class="LineNr">268 </span> <span class="Conceal">¦</span><span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># empty?</span> -<span id="L269" class="LineNr">269 </span> <span class="Conceal">¦</span><span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># full?</span> -<span id="L270" class="LineNr">270 </span> ] -<span id="L271" class="LineNr">271 </span>] -<span id="L272" class="LineNr">272 </span> -<span id="L273" class="LineNr">273 </span><span class="muScenario">scenario</span> channel-write-full [ -<span id="L274" class="LineNr">274 </span> <span class="Constant">local-scope</span> -<span id="L275" class="LineNr">275 </span> <a href='075channel.mu.html#L43'>source</a>:&:<a href='075channel.mu.html#L43'>source</a>:num, <a href='075channel.mu.html#L47'>sink</a>:&:<a href='075channel.mu.html#L47'>sink</a>:num <span class="Special"><-</span> <a href='075channel.mu.html#L51'>new-channel</a> <span class="Constant">1/capacity</span> -<span id="L276" class="LineNr">276 </span> chan:&:channel:num <span class="Special"><-</span> get *source, <span class="Constant">chan:offset</span> -<span id="L277" class="LineNr">277 </span> run [ -<span id="L278" class="LineNr">278 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> <a href='075channel.mu.html#L47'>sink</a>,<span class="Constant"> 34</span> -<span id="L279" class="LineNr">279 </span> <span class="Conceal">¦</span> 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> <a href='075channel.mu.html#L350'>channel-empty?</a> chan -<span id="L280" class="LineNr">280 </span> <span class="Conceal">¦</span> 11:bool/<span class="Special">raw</span> <span class="Special"><-</span> <a href='075channel.mu.html#L361'>channel-full?</a> chan -<span id="L281" class="LineNr">281 </span> ] -<span id="L282" class="LineNr">282 </span> memory-should-contain [ -<span id="L283" class="LineNr">283 </span> <span class="Conceal">¦</span><span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># empty?</span> -<span id="L284" class="LineNr">284 </span> <span class="Conceal">¦</span><span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># full?</span> -<span id="L285" class="LineNr">285 </span> ] -<span id="L286" class="LineNr">286 </span>] -<span id="L287" class="LineNr">287 </span> -<span id="L288" class="LineNr">288 </span><span class="muScenario">scenario</span> channel-read-not-full [ -<span id="L289" class="LineNr">289 </span> <span class="Constant">local-scope</span> -<span id="L290" class="LineNr">290 </span> <a href='075channel.mu.html#L43'>source</a>:&:<a href='075channel.mu.html#L43'>source</a>:num, <a href='075channel.mu.html#L47'>sink</a>:&:<a href='075channel.mu.html#L47'>sink</a>:num <span class="Special"><-</span> <a href='075channel.mu.html#L51'>new-channel</a> <span class="Constant">1/capacity</span> -<span id="L291" class="LineNr">291 </span> chan:&:channel:num <span class="Special"><-</span> get *source, <span class="Constant">chan:offset</span> -<span id="L292" class="LineNr">292 </span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> <a href='075channel.mu.html#L47'>sink</a>,<span class="Constant"> 34</span> -<span id="L293" class="LineNr">293 </span> run [ -<span id="L294" class="LineNr">294 </span> <span class="Conceal">¦</span> _, _, <a href='075channel.mu.html#L43'>source</a> <span class="Special"><-</span> read <a href='075channel.mu.html#L43'>source</a> -<span id="L295" class="LineNr">295 </span> <span class="Conceal">¦</span> 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> <a href='075channel.mu.html#L350'>channel-empty?</a> chan -<span id="L296" class="LineNr">296 </span> <span class="Conceal">¦</span> 11:bool/<span class="Special">raw</span> <span class="Special"><-</span> <a href='075channel.mu.html#L361'>channel-full?</a> chan -<span id="L297" class="LineNr">297 </span> ] -<span id="L298" class="LineNr">298 </span> memory-should-contain [ -<span id="L299" class="LineNr">299 </span> <span class="Conceal">¦</span><span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># empty?</span> -<span id="L300" class="LineNr">300 </span> <span class="Conceal">¦</span><span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># full?</span> -<span id="L301" class="LineNr">301 </span> ] -<span id="L302" class="LineNr">302 </span>] -<span id="L303" class="LineNr">303 </span> -<span id="L304" class="LineNr">304 </span><span class="SalientComment">## cancelling channels</span> -<span id="L305" class="LineNr">305 </span> -<span id="L306" class="LineNr">306 </span><span class="Comment"># every channel comes with a boolean signifying if it's been closed</span> -<span id="L307" class="LineNr">307 </span><span class="Comment"># initially this boolean is false</span> -<span id="L308" class="LineNr">308 </span><span class="muData">container</span> channel:_elem [ -<span id="L309" class="LineNr">309 </span> closed?:bool +<span id="L66" class="LineNr"> 66 </span><span class="Comment"># write a value to a channel</span> +<span id="L67" class="LineNr"> 67 </span><span class="muRecipe">def</span> <a href='075channel.mu.html#L67'>write</a> out:&:<a href='075channel.mu.html#L47'>sink</a>:_elem, val:_elem<span class="muRecipe"> -> </span>out:&:<a href='075channel.mu.html#L47'>sink</a>:_elem [ +<span id="L68" class="LineNr"> 68 </span> <span class="Constant">local-scope</span> +<span id="L69" class="LineNr"> 69 </span> <span class="Constant">load-ingredients</span> +<span id="L70" class="LineNr"> 70 </span> assert out, <span class="Constant">[write to null channel]</span> +<span id="L71" class="LineNr"> 71 </span> chan:&:channel:_elem <span class="Special"><-</span> get *out, <span class="Constant">chan:offset</span> +<span id="L72" class="LineNr"> 72 </span><span class="Constant"> <a href='075channel.mu.html#L72'><channel-write-initial></a></span> +<span id="L73" class="LineNr"> 73 </span> <span class="Comment"># block until lock is acquired AND queue has room</span> +<span id="L74" class="LineNr"> 74 </span> lock:location <span class="Special"><-</span> get-location *chan, <span class="Constant">lock:offset</span> +<span id="L75" class="LineNr"> 75 </span><span class="CommentedCode">#? $print [write], 10/newline</span> +<span id="L76" class="LineNr"> 76 </span> <span class="Delimiter">{</span> +<span id="L77" class="LineNr"> 77 </span><span class="CommentedCode">#? $print [trying to acquire lock for writing], 10/newline</span> +<span id="L78" class="LineNr"> 78 </span> <span class="Conceal">¦</span> wait-for-reset-then-set lock +<span id="L79" class="LineNr"> 79 </span><span class="CommentedCode">#? $print [lock acquired for writing], 10/newline</span> +<span id="L80" class="LineNr"> 80 </span> <span class="Conceal">¦</span> full?:bool <span class="Special"><-</span> <a href='075channel.mu.html#L381'>channel-full?</a> chan +<span id="L81" class="LineNr"> 81 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> full? +<span id="L82" class="LineNr"> 82 </span><span class="CommentedCode">#? $print [but channel is full; relinquishing lock], 10/newline</span> +<span id="L83" class="LineNr"> 83 </span> <span class="Conceal">¦</span> <span class="Comment"># channel is full; relinquish lock and give a reader the opportunity to</span> +<span id="L84" class="LineNr"> 84 </span> <span class="Conceal">¦</span> <span class="Comment"># create room on it</span> +<span id="L85" class="LineNr"> 85 </span> <span class="Conceal">¦</span> reset lock +<span id="L86" class="LineNr"> 86 </span> <span class="Conceal">¦</span> current-routine-is-blocked +<span id="L87" class="LineNr"> 87 </span> <span class="Conceal">¦</span> switch <span class="Comment"># avoid spinlocking</span> +<span id="L88" class="LineNr"> 88 </span> <span class="Conceal">¦</span> <span class="muControl">loop</span> +<span id="L89" class="LineNr"> 89 </span> <span class="Delimiter">}</span> +<span id="L90" class="LineNr"> 90 </span> current-routine-is-unblocked +<span id="L91" class="LineNr"> 91 </span><span class="CommentedCode">#? $print [performing write], 10/newline</span> +<span id="L92" class="LineNr"> 92 </span> <span class="Comment"># store a deep copy of val</span> +<span id="L93" class="LineNr"> 93 </span> circular-buffer:&:@:_elem <span class="Special"><-</span> get *chan, <span class="Constant">data:offset</span> +<span id="L94" class="LineNr"> 94 </span> free:num <span class="Special"><-</span> get *chan, <span class="Constant">first-free:offset</span> +<span id="L95" class="LineNr"> 95 </span> val-copy:_elem <span class="Special"><-</span> deep-copy val <span class="Comment"># on this instruction rests all Mu's concurrency-safety</span> +<span id="L96" class="LineNr"> 96 </span> *circular-buffer <span class="Special"><-</span> put-index *circular-buffer, free, val-copy +<span id="L97" class="LineNr"> 97 </span> <span class="Comment"># mark its slot as filled</span> +<span id="L98" class="LineNr"> 98 </span> free <span class="Special"><-</span> add free,<span class="Constant"> 1</span> +<span id="L99" class="LineNr"> 99 </span> <span class="Delimiter">{</span> +<span id="L100" class="LineNr">100 </span> <span class="Conceal">¦</span> <span class="Comment"># wrap free around to 0 if necessary</span> +<span id="L101" class="LineNr">101 </span> <span class="Conceal">¦</span> len:num <span class="Special"><-</span> length *circular-buffer +<span id="L102" class="LineNr">102 </span> <span class="Conceal">¦</span> at-end?:bool <span class="Special"><-</span> greater-or-equal free, len +<span id="L103" class="LineNr">103 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> at-end? +<span id="L104" class="LineNr">104 </span> <span class="Conceal">¦</span> free <span class="Special"><-</span> copy<span class="Constant"> 0</span> +<span id="L105" class="LineNr">105 </span> <span class="Delimiter">}</span> +<span id="L106" class="LineNr">106 </span> <span class="Comment"># write back</span> +<span id="L107" class="LineNr">107 </span> *chan <span class="Special"><-</span> put *chan, <span class="Constant">first-free:offset</span>, free +<span id="L108" class="LineNr">108 </span><span class="CommentedCode">#? $print [relinquishing lock after writing], 10/newline</span> +<span id="L109" class="LineNr">109 </span> reset lock +<span id="L110" class="LineNr">110 </span>] +<span id="L111" class="LineNr">111 </span> +<span id="L112" class="LineNr">112 </span><span class="Comment"># read a value from a channel</span> +<span id="L113" class="LineNr">113 </span><span class="muRecipe">def</span> read in:&:<a href='075channel.mu.html#L43'>source</a>:_elem<span class="muRecipe"> -> </span>result:_elem, eof?:bool, in:&:<a href='075channel.mu.html#L43'>source</a>:_elem [ +<span id="L114" class="LineNr">114 </span> <span class="Constant">local-scope</span> +<span id="L115" class="LineNr">115 </span> <span class="Constant">load-ingredients</span> +<span id="L116" class="LineNr">116 </span> assert in, <span class="Constant">[read on null channel]</span> +<span id="L117" class="LineNr">117 </span> eof? <span class="Special"><-</span> copy <span class="Constant">0/false</span> <span class="Comment"># default result</span> +<span id="L118" class="LineNr">118 </span> chan:&:channel:_elem <span class="Special"><-</span> get *in, <span class="Constant">chan:offset</span> +<span id="L119" class="LineNr">119 </span> <span class="Comment"># block until lock is acquired AND queue has data</span> +<span id="L120" class="LineNr">120 </span> lock:location <span class="Special"><-</span> get-location *chan, <span class="Constant">lock:offset</span> +<span id="L121" class="LineNr">121 </span><span class="CommentedCode">#? $print [read], 10/newline</span> +<span id="L122" class="LineNr">122 </span> <span class="Delimiter">{</span> +<span id="L123" class="LineNr">123 </span><span class="CommentedCode">#? $print [trying to acquire lock for reading], 10/newline</span> +<span id="L124" class="LineNr">124 </span> <span class="Conceal">¦</span> wait-for-reset-then-set lock +<span id="L125" class="LineNr">125 </span><span class="CommentedCode">#? $print [lock acquired for reading], 10/newline</span> +<span id="L126" class="LineNr">126 </span> <span class="Conceal">¦</span> empty?:bool <span class="Special"><-</span> <a href='075channel.mu.html#L370'>channel-empty?</a> chan +<span id="L127" class="LineNr">127 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> empty? +<span id="L128" class="LineNr">128 </span><span class="CommentedCode">#? $print [but channel is empty; relinquishing lock], 10/newline</span> +<span id="L129" class="LineNr">129 </span> <span class="Conceal">¦</span> <span class="Comment"># channel is empty; relinquish lock and give a writer the opportunity to</span> +<span id="L130" class="LineNr">130 </span> <span class="Conceal">¦</span> <span class="Comment"># add to it</span> +<span id="L131" class="LineNr">131 </span> <span class="Conceal">¦</span> reset lock +<span id="L132" class="LineNr">132 </span> <span class="Conceal">¦</span> current-routine-is-blocked +<span id="L133" class="LineNr">133 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <a href='075channel.mu.html#L133'><channel-read-empty></a></span> +<span id="L134" class="LineNr">134 </span> <span class="Conceal">¦</span> switch <span class="Comment"># avoid spinlocking</span> +<span id="L135" class="LineNr">135 </span> <span class="Conceal">¦</span> <span class="muControl">loop</span> +<span id="L136" class="LineNr">136 </span> <span class="Delimiter">}</span> +<span id="L137" class="LineNr">137 </span> current-routine-is-unblocked +<span id="L138" class="LineNr">138 </span> <span class="Comment"># pull result off</span> +<span id="L139" class="LineNr">139 </span> full:num <span class="Special"><-</span> get *chan, <span class="Constant">first-full:offset</span> +<span id="L140" class="LineNr">140 </span> circular-buffer:&:@:_elem <span class="Special"><-</span> get *chan, <span class="Constant">data:offset</span> +<span id="L141" class="LineNr">141 </span> result <span class="Special"><-</span> index *circular-buffer, full +<span id="L142" class="LineNr">142 </span> <span class="Comment"># clear the slot</span> +<span id="L143" class="LineNr">143 </span> empty:&:_elem <span class="Special"><-</span> new <span class="Constant">_elem:type</span> +<span id="L144" class="LineNr">144 </span> *circular-buffer <span class="Special"><-</span> put-index *circular-buffer, full, *empty +<span id="L145" class="LineNr">145 </span> <span class="Comment"># mark its slot as empty</span> +<span id="L146" class="LineNr">146 </span> full <span class="Special"><-</span> add full,<span class="Constant"> 1</span> +<span id="L147" class="LineNr">147 </span> <span class="Delimiter">{</span> +<span id="L148" class="LineNr">148 </span> <span class="Conceal">¦</span> <span class="Comment"># wrap full around to 0 if necessary</span> +<span id="L149" class="LineNr">149 </span> <span class="Conceal">¦</span> len:num <span class="Special"><-</span> length *circular-buffer +<span id="L150" class="LineNr">150 </span> <span class="Conceal">¦</span> at-end?:bool <span class="Special"><-</span> greater-or-equal full, len +<span id="L151" class="LineNr">151 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> at-end? +<span id="L152" class="LineNr">152 </span> <span class="Conceal">¦</span> full <span class="Special"><-</span> copy<span class="Constant"> 0</span> +<span id="L153" class="LineNr">153 </span> <span class="Delimiter">}</span> +<span id="L154" class="LineNr">154 </span> <span class="Comment"># write back</span> +<span id="L155" class="LineNr">155 </span> *chan <span class="Special"><-</span> put *chan, <span class="Constant">first-full:offset</span>, full +<span id="L156" class="LineNr">156 </span><span class="CommentedCode">#? $print [relinquishing lock after reading], 10/newline</span> +<span id="L157" class="LineNr">157 </span> reset lock +<span id="L158" class="LineNr">158 </span>] +<span id="L159" class="LineNr">159 </span> +<span id="L160" class="LineNr">160 </span><span class="Comment"># todo: create a notion of iterator and iterable so we can read/write whole</span> +<span id="L161" class="LineNr">161 </span><span class="Comment"># aggregates (arrays, lists, ..) of _elems at once.</span> +<span id="L162" class="LineNr">162 </span> +<span id="L163" class="LineNr">163 </span><span class="muScenario">scenario</span> channel-initialization [ +<span id="L164" class="LineNr">164 </span> run [ +<span id="L165" class="LineNr">165 </span> <span class="Conceal">¦</span> <span class="Constant">local-scope</span> +<span id="L166" class="LineNr">166 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L43'>source</a>:&:<a href='075channel.mu.html#L43'>source</a>:num <span class="Special"><-</span> <a href='075channel.mu.html#L51'>new-channel</a> <span class="Constant">3/capacity</span> +<span id="L167" class="LineNr">167 </span> <span class="Conceal">¦</span> chan:&:channel:num <span class="Special"><-</span> get *source, <span class="Constant">chan:offset</span> +<span id="L168" class="LineNr">168 </span> <span class="Conceal">¦</span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> get *chan, <span class="Constant">first-full:offset</span> +<span id="L169" class="LineNr">169 </span> <span class="Conceal">¦</span> 11:num/<span class="Special">raw</span> <span class="Special"><-</span> get *chan, <span class="Constant">first-free:offset</span> +<span id="L170" class="LineNr">170 </span> ] +<span id="L171" class="LineNr">171 </span> memory-should-contain [ +<span id="L172" class="LineNr">172 </span> <span class="Conceal">¦</span><span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># first-full</span> +<span id="L173" class="LineNr">173 </span> <span class="Conceal">¦</span><span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># first-free</span> +<span id="L174" class="LineNr">174 </span> ] +<span id="L175" class="LineNr">175 </span>] +<span id="L176" class="LineNr">176 </span> +<span id="L177" class="LineNr">177 </span><span class="muScenario">scenario</span> channel-write-increments-free [ +<span id="L178" class="LineNr">178 </span> <span class="Constant">local-scope</span> +<span id="L179" class="LineNr">179 </span> _, <a href='075channel.mu.html#L47'>sink</a>:&:<a href='075channel.mu.html#L47'>sink</a>:num <span class="Special"><-</span> <a href='075channel.mu.html#L51'>new-channel</a> <span class="Constant">3/capacity</span> +<span id="L180" class="LineNr">180 </span> run [ +<span id="L181" class="LineNr">181 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>,<span class="Constant"> 34</span> +<span id="L182" class="LineNr">182 </span> <span class="Conceal">¦</span> chan:&:channel:num <span class="Special"><-</span> get *sink, <span class="Constant">chan:offset</span> +<span id="L183" class="LineNr">183 </span> <span class="Conceal">¦</span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> get *chan, <span class="Constant">first-full:offset</span> +<span id="L184" class="LineNr">184 </span> <span class="Conceal">¦</span> 11:num/<span class="Special">raw</span> <span class="Special"><-</span> get *chan, <span class="Constant">first-free:offset</span> +<span id="L185" class="LineNr">185 </span> ] +<span id="L186" class="LineNr">186 </span> memory-should-contain [ +<span id="L187" class="LineNr">187 </span> <span class="Conceal">¦</span><span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># first-full</span> +<span id="L188" class="LineNr">188 </span> <span class="Conceal">¦</span><span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># first-free</span> +<span id="L189" class="LineNr">189 </span> ] +<span id="L190" class="LineNr">190 </span>] +<span id="L191" class="LineNr">191 </span> +<span id="L192" class="LineNr">192 </span><span class="muScenario">scenario</span> channel-read-increments-full [ +<span id="L193" class="LineNr">193 </span> <span class="Constant">local-scope</span> +<span id="L194" class="LineNr">194 </span> <a href='075channel.mu.html#L43'>source</a>:&:<a href='075channel.mu.html#L43'>source</a>:num, <a href='075channel.mu.html#L47'>sink</a>:&:<a href='075channel.mu.html#L47'>sink</a>:num <span class="Special"><-</span> <a href='075channel.mu.html#L51'>new-channel</a> <span class="Constant">3/capacity</span> +<span id="L195" class="LineNr">195 </span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>,<span class="Constant"> 34</span> +<span id="L196" class="LineNr">196 </span> run [ +<span id="L197" class="LineNr">197 </span> <span class="Conceal">¦</span> _, _, <a href='075channel.mu.html#L43'>source</a> <span class="Special"><-</span> read <a href='075channel.mu.html#L43'>source</a> +<span id="L198" class="LineNr">198 </span> <span class="Conceal">¦</span> chan:&:channel:num <span class="Special"><-</span> get *source, <span class="Constant">chan:offset</span> +<span id="L199" class="LineNr">199 </span> <span class="Conceal">¦</span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> get *chan, <span class="Constant">first-full:offset</span> +<span id="L200" class="LineNr">200 </span> <span class="Conceal">¦</span> 11:num/<span class="Special">raw</span> <span class="Special"><-</span> get *chan, <span class="Constant">first-free:offset</span> +<span id="L201" class="LineNr">201 </span> ] +<span id="L202" class="LineNr">202 </span> memory-should-contain [ +<span id="L203" class="LineNr">203 </span> <span class="Conceal">¦</span><span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># first-full</span> +<span id="L204" class="LineNr">204 </span> <span class="Conceal">¦</span><span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># first-free</span> +<span id="L205" class="LineNr">205 </span> ] +<span id="L206" class="LineNr">206 </span>] +<span id="L207" class="LineNr">207 </span> +<span id="L208" class="LineNr">208 </span><span class="muScenario">scenario</span> channel-wrap [ +<span id="L209" class="LineNr">209 </span> <span class="Constant">local-scope</span> +<span id="L210" class="LineNr">210 </span> <span class="Comment"># channel with just 1 slot</span> +<span id="L211" class="LineNr">211 </span> <a href='075channel.mu.html#L43'>source</a>:&:<a href='075channel.mu.html#L43'>source</a>:num, <a href='075channel.mu.html#L47'>sink</a>:&:<a href='075channel.mu.html#L47'>sink</a>:num <span class="Special"><-</span> <a href='075channel.mu.html#L51'>new-channel</a> <span class="Constant">1/capacity</span> +<span id="L212" class="LineNr">212 </span> chan:&:channel:num <span class="Special"><-</span> get *source, <span class="Constant">chan:offset</span> +<span id="L213" class="LineNr">213 </span> <span class="Comment"># write and read a value</span> +<span id="L214" class="LineNr">214 </span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>,<span class="Constant"> 34</span> +<span id="L215" class="LineNr">215 </span> _, _, <a href='075channel.mu.html#L43'>source</a> <span class="Special"><-</span> read <a href='075channel.mu.html#L43'>source</a> +<span id="L216" class="LineNr">216 </span> run [ +<span id="L217" class="LineNr">217 </span> <span class="Conceal">¦</span> <span class="Comment"># first-free will now be 1</span> +<span id="L218" class="LineNr">218 </span> <span class="Conceal">¦</span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> get *chan, <span class="Constant">first-free:offset</span> +<span id="L219" class="LineNr">219 </span> <span class="Conceal">¦</span> 11:num/<span class="Special">raw</span> <span class="Special"><-</span> get *chan, <span class="Constant">first-free:offset</span> +<span id="L220" class="LineNr">220 </span> <span class="Conceal">¦</span> <span class="Comment"># write second value, verify that first-free wraps</span> +<span id="L221" class="LineNr">221 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>,<span class="Constant"> 34</span> +<span id="L222" class="LineNr">222 </span> <span class="Conceal">¦</span> 20:num/<span class="Special">raw</span> <span class="Special"><-</span> get *chan, <span class="Constant">first-free:offset</span> +<span id="L223" class="LineNr">223 </span> <span class="Conceal">¦</span> <span class="Comment"># read second value, verify that first-full wraps</span> +<span id="L224" class="LineNr">224 </span> <span class="Conceal">¦</span> _, _, <a href='075channel.mu.html#L43'>source</a> <span class="Special"><-</span> read <a href='075channel.mu.html#L43'>source</a> +<span id="L225" class="LineNr">225 </span> <span class="Conceal">¦</span> 30:num/<span class="Special">raw</span> <span class="Special"><-</span> get *chan, <span class="Constant">first-full:offset</span> +<span id="L226" class="LineNr">226 </span> ] +<span id="L227" class="LineNr">227 </span> memory-should-contain [ +<span id="L228" class="LineNr">228 </span> <span class="Conceal">¦</span><span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># first-free after first write</span> +<span id="L229" class="LineNr">229 </span> <span class="Conceal">¦</span><span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># first-full after first read</span> +<span id="L230" class="LineNr">230 </span> <span class="Conceal">¦</span><span class="Constant"> 20</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># first-free after second write, wrapped</span> +<span id="L231" class="LineNr">231 </span> <span class="Conceal">¦</span><span class="Constant"> 30</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># first-full after second read, wrapped</span> +<span id="L232" class="LineNr">232 </span> ] +<span id="L233" class="LineNr">233 </span>] +<span id="L234" class="LineNr">234 </span> +<span id="L235" class="LineNr">235 </span><span class="muScenario">scenario</span> channel-new-empty-not-full [ +<span id="L236" class="LineNr">236 </span> run [ +<span id="L237" class="LineNr">237 </span> <span class="Conceal">¦</span> <span class="Constant">local-scope</span> +<span id="L238" class="LineNr">238 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L43'>source</a>:&:<a href='075channel.mu.html#L43'>source</a>:num <span class="Special"><-</span> <a href='075channel.mu.html#L51'>new-channel</a> <span class="Constant">3/capacity</span> +<span id="L239" class="LineNr">239 </span> <span class="Conceal">¦</span> chan:&:channel:num <span class="Special"><-</span> get *source, <span class="Constant">chan:offset</span> +<span id="L240" class="LineNr">240 </span> <span class="Conceal">¦</span> 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> <a href='075channel.mu.html#L370'>channel-empty?</a> chan +<span id="L241" class="LineNr">241 </span> <span class="Conceal">¦</span> 11:bool/<span class="Special">raw</span> <span class="Special"><-</span> <a href='075channel.mu.html#L381'>channel-full?</a> chan +<span id="L242" class="LineNr">242 </span> ] +<span id="L243" class="LineNr">243 </span> memory-should-contain [ +<span id="L244" class="LineNr">244 </span> <span class="Conceal">¦</span><span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># empty?</span> +<span id="L245" class="LineNr">245 </span> <span class="Conceal">¦</span><span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># full?</span> +<span id="L246" class="LineNr">246 </span> ] +<span id="L247" class="LineNr">247 </span>] +<span id="L248" class="LineNr">248 </span> +<span id="L249" class="LineNr">249 </span><span class="muScenario">scenario</span> channel-write-not-empty [ +<span id="L250" class="LineNr">250 </span> <span class="Constant">local-scope</span> +<span id="L251" class="LineNr">251 </span> <a href='075channel.mu.html#L43'>source</a>:&:<a href='075channel.mu.html#L43'>source</a>:num, <a href='075channel.mu.html#L47'>sink</a>:&:<a href='075channel.mu.html#L47'>sink</a>:num <span class="Special"><-</span> <a href='075channel.mu.html#L51'>new-channel</a> <span class="Constant">3/capacity</span> +<span id="L252" class="LineNr">252 </span> chan:&:channel:num <span class="Special"><-</span> get *source, <span class="Constant">chan:offset</span> +<span id="L253" class="LineNr">253 </span> run [ +<span id="L254" class="LineNr">254 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>,<span class="Constant"> 34</span> +<span id="L255" class="LineNr">255 </span> <span class="Conceal">¦</span> 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> <a href='075channel.mu.html#L370'>channel-empty?</a> chan +<span id="L256" class="LineNr">256 </span> <span class="Conceal">¦</span> 11:bool/<span class="Special">raw</span> <span class="Special"><-</span> <a href='075channel.mu.html#L381'>channel-full?</a> chan +<span id="L257" class="LineNr">257 </span> ] +<span id="L258" class="LineNr">258 </span> memory-should-contain [ +<span id="L259" class="LineNr">259 </span> <span class="Conceal">¦</span><span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># empty?</span> +<span id="L260" class="LineNr">260 </span> <span class="Conceal">¦</span><span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># full?</span> +<span id="L261" class="LineNr">261 </span> ] +<span id="L262" class="LineNr">262 </span>] +<span id="L263" class="LineNr">263 </span> +<span id="L264" class="LineNr">264 </span><span class="muScenario">scenario</span> channel-write-full [ +<span id="L265" class="LineNr">265 </span> <span class="Constant">local-scope</span> +<span id="L266" class="LineNr">266 </span> <a href='075channel.mu.html#L43'>source</a>:&:<a href='075channel.mu.html#L43'>source</a>:num, <a href='075channel.mu.html#L47'>sink</a>:&:<a href='075channel.mu.html#L47'>sink</a>:num <span class="Special"><-</span> <a href='075channel.mu.html#L51'>new-channel</a> <span class="Constant">1/capacity</span> +<span id="L267" class="LineNr">267 </span> chan:&:channel:num <span class="Special"><-</span> get *source, <span class="Constant">chan:offset</span> +<span id="L268" class="LineNr">268 </span> run [ +<span id="L269" class="LineNr">269 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>,<span class="Constant"> 34</span> +<span id="L270" class="LineNr">270 </span> <span class="Conceal">¦</span> 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> <a href='075channel.mu.html#L370'>channel-empty?</a> chan +<span id="L271" class="LineNr">271 </span> <span class="Conceal">¦</span> 11:bool/<span class="Special">raw</span> <span class="Special"><-</span> <a href='075channel.mu.html#L381'>channel-full?</a> chan +<span id="L272" class="LineNr">272 </span> ] +<span id="L273" class="LineNr">273 </span> memory-should-contain [ +<span id="L274" class="LineNr">274 </span> <span class="Conceal">¦</span><span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># empty?</span> +<span id="L275" class="LineNr">275 </span> <span class="Conceal">¦</span><span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># full?</span> +<span id="L276" class="LineNr">276 </span> ] +<span id="L277" class="LineNr">277 </span>] +<span id="L278" class="LineNr">278 </span> +<span id="L279" class="LineNr">279 </span><span class="muScenario">scenario</span> channel-read-not-full [ +<span id="L280" class="LineNr">280 </span> <span class="Constant">local-scope</span> +<span id="L281" class="LineNr">281 </span> <a href='075channel.mu.html#L43'>source</a>:&:<a href='075channel.mu.html#L43'>source</a>:num, <a href='075channel.mu.html#L47'>sink</a>:&:<a href='075channel.mu.html#L47'>sink</a>:num <span class="Special"><-</span> <a href='075channel.mu.html#L51'>new-channel</a> <span class="Constant">1/capacity</span> +<span id="L282" class="LineNr">282 </span> chan:&:channel:num <span class="Special"><-</span> get *source, <span class="Constant">chan:offset</span> +<span id="L283" class="LineNr">283 </span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>,<span class="Constant"> 34</span> +<span id="L284" class="LineNr">284 </span> run [ +<span id="L285" class="LineNr">285 </span> <span class="Conceal">¦</span> _, _, <a href='075channel.mu.html#L43'>source</a> <span class="Special"><-</span> read <a href='075channel.mu.html#L43'>source</a> +<span id="L286" class="LineNr">286 </span> <span class="Conceal">¦</span> 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> <a href='075channel.mu.html#L370'>channel-empty?</a> chan +<span id="L287" class="LineNr">287 </span> <span class="Conceal">¦</span> 11:bool/<span class="Special">raw</span> <span class="Special"><-</span> <a href='075channel.mu.html#L381'>channel-full?</a> chan +<span id="L288" class="LineNr">288 </span> ] +<span id="L289" class="LineNr">289 </span> memory-should-contain [ +<span id="L290" class="LineNr">290 </span> <span class="Conceal">¦</span><span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># empty?</span> +<span id="L291" class="LineNr">291 </span> <span class="Conceal">¦</span><span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># full?</span> +<span id="L292" class="LineNr">292 </span> ] +<span id="L293" class="LineNr">293 </span>] +<span id="L294" class="LineNr">294 </span> +<span id="L295" class="LineNr">295 </span><span class="muScenario">scenario</span> channel-clear [ +<span id="L296" class="LineNr">296 </span> <span class="Constant">local-scope</span> +<span id="L297" class="LineNr">297 </span> <span class="Comment"># create a channel with a few items</span> +<span id="L298" class="LineNr">298 </span> <a href='075channel.mu.html#L43'>source</a>:&:<a href='075channel.mu.html#L43'>source</a>:num, <a href='075channel.mu.html#L47'>sink</a>:&:<a href='075channel.mu.html#L47'>sink</a>:num <span class="Special"><-</span> <a href='075channel.mu.html#L51'>new-channel</a> <span class="Constant">3/capacity</span> +<span id="L299" class="LineNr">299 </span> chan:&:channel:num <span class="Special"><-</span> get *sink, <span class="Constant">chan:offset</span> +<span id="L300" class="LineNr">300 </span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>,<span class="Constant"> 30</span> +<span id="L301" class="LineNr">301 </span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>,<span class="Constant"> 31</span> +<span id="L302" class="LineNr">302 </span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>,<span class="Constant"> 32</span> +<span id="L303" class="LineNr">303 </span> run [ +<span id="L304" class="LineNr">304 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L312'>clear</a> <a href='075channel.mu.html#L43'>source</a> +<span id="L305" class="LineNr">305 </span> <span class="Conceal">¦</span> 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> <a href='075channel.mu.html#L370'>channel-empty?</a> chan +<span id="L306" class="LineNr">306 </span> ] +<span id="L307" class="LineNr">307 </span> memory-should-contain [ +<span id="L308" class="LineNr">308 </span> <span class="Conceal">¦</span><span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># after the call to 'clear', the channel should be empty</span> +<span id="L309" class="LineNr">309 </span> ] <span id="L310" class="LineNr">310 </span>] <span id="L311" class="LineNr">311 </span> -<span id="L312" class="LineNr">312 </span><span class="Comment"># a channel can be closed from either the source or the sink</span> -<span id="L313" class="LineNr">313 </span><span class="Comment"># both routines can modify the 'closed?' bit, but they can only ever set it, so this is a benign race</span> -<span id="L314" class="LineNr">314 </span><span class="muRecipe">def</span> close x:&:<a href='075channel.mu.html#L43'>source</a>:_elem<span class="muRecipe"> -> </span>x:&:<a href='075channel.mu.html#L43'>source</a>:_elem [ -<span id="L315" class="LineNr">315 </span> <span class="Constant">local-scope</span> -<span id="L316" class="LineNr">316 </span> <span class="Constant">load-ingredients</span> -<span id="L317" class="LineNr">317 </span> chan:&:channel:_elem <span class="Special"><-</span> get *x, <span class="Constant">chan:offset</span> -<span id="L318" class="LineNr">318 </span> *chan <span class="Special"><-</span> put *chan, <span class="Constant">closed?:offset</span>, <span class="Constant">1/true</span> -<span id="L319" class="LineNr">319 </span>] -<span id="L320" class="LineNr">320 </span><span class="muRecipe">def</span> close x:&:<a href='075channel.mu.html#L47'>sink</a>:_elem<span class="muRecipe"> -> </span>x:&:<a href='075channel.mu.html#L47'>sink</a>:_elem [ -<span id="L321" class="LineNr">321 </span> <span class="Constant">local-scope</span> -<span id="L322" class="LineNr">322 </span> <span class="Constant">load-ingredients</span> -<span id="L323" class="LineNr">323 </span> chan:&:channel:_elem <span class="Special"><-</span> get *x, <span class="Constant">chan:offset</span> -<span id="L324" class="LineNr">324 </span> *chan <span class="Special"><-</span> put *chan, <span class="Constant">closed?:offset</span>, <span class="Constant">1/true</span> -<span id="L325" class="LineNr">325 </span>] -<span id="L326" class="LineNr">326 </span> -<span id="L327" class="LineNr">327 </span><span class="Comment"># once a channel is closed from one side, no further operations are expected from that side</span> -<span id="L328" class="LineNr">328 </span><span class="Comment"># if a channel is closed for reading,</span> -<span id="L329" class="LineNr">329 </span><span class="Comment"># no further writes will be let through</span> -<span id="L330" class="LineNr">330 </span><span class="Comment"># if a channel is closed for writing,</span> -<span id="L331" class="LineNr">331 </span><span class="Comment"># future reads continue until the channel empties,</span> -<span id="L332" class="LineNr">332 </span><span class="Comment"># then the channel is also closed for reading</span> -<span id="L333" class="LineNr">333 </span><span class="muRecipe">after</span> <span class="Constant"><a href='075channel.mu.html#L71'><channel-write-initial></a></span> [ -<span id="L334" class="LineNr">334 </span> closed?:bool <span class="Special"><-</span> get *chan, <span class="Constant">closed?:offset</span> -<span id="L335" class="LineNr">335 </span> <span class="muControl">return-if</span> closed? -<span id="L336" class="LineNr">336 </span>] -<span id="L337" class="LineNr">337 </span><span class="muRecipe">after</span> <span class="Constant"><a href='075channel.mu.html#L131'><channel-read-empty></a></span> [ -<span id="L338" class="LineNr">338 </span> closed?:bool <span class="Special"><-</span> get *chan, <span class="Constant">closed?:offset</span> -<span id="L339" class="LineNr">339 </span> <span class="Delimiter">{</span> -<span id="L340" class="LineNr">340 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> closed? -<span id="L341" class="LineNr">341 </span> <span class="Conceal">¦</span> empty-result:&:_elem <span class="Special"><-</span> new <span class="Constant">_elem:type</span> -<span id="L342" class="LineNr">342 </span> <span class="Conceal">¦</span> current-routine-is-unblocked -<span id="L343" class="LineNr">343 </span> <span class="Conceal">¦</span> <span class="muControl">return</span> *empty-result, <span class="Constant">1/true</span> -<span id="L344" class="LineNr">344 </span> <span class="Delimiter">}</span> +<span id="L312" class="LineNr">312 </span><span class="muRecipe">def</span> <a href='075channel.mu.html#L312'>clear</a> in:&:<a href='075channel.mu.html#L43'>source</a>:_elem<span class="muRecipe"> -> </span>in:&:<a href='075channel.mu.html#L43'>source</a>:_elem [ +<span id="L313" class="LineNr">313 </span> <span class="Constant">local-scope</span> +<span id="L314" class="LineNr">314 </span> <span class="Constant">load-ingredients</span> +<span id="L315" class="LineNr">315 </span> chan:&:channel:_elem <span class="Special"><-</span> get *in, <span class="Constant">chan:offset</span> +<span id="L316" class="LineNr">316 </span> <span class="Delimiter">{</span> +<span id="L317" class="LineNr">317 </span> <span class="Conceal">¦</span> empty?:bool <span class="Special"><-</span> <a href='075channel.mu.html#L370'>channel-empty?</a> chan +<span id="L318" class="LineNr">318 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> empty? +<span id="L319" class="LineNr">319 </span> <span class="Conceal">¦</span> _, _, in <span class="Special"><-</span> read in +<span id="L320" class="LineNr">320 </span> <span class="Conceal">¦</span> <span class="muControl">loop</span> +<span id="L321" class="LineNr">321 </span> <span class="Delimiter">}</span> +<span id="L322" class="LineNr">322 </span>] +<span id="L323" class="LineNr">323 </span> +<span id="L324" class="LineNr">324 </span><span class="SalientComment">## cancelling channels</span> +<span id="L325" class="LineNr">325 </span> +<span id="L326" class="LineNr">326 </span><span class="Comment"># every channel comes with a boolean signifying if it's been closed</span> +<span id="L327" class="LineNr">327 </span><span class="Comment"># initially this boolean is false</span> +<span id="L328" class="LineNr">328 </span><span class="muData">container</span> channel:_elem [ +<span id="L329" class="LineNr">329 </span> closed?:bool +<span id="L330" class="LineNr">330 </span>] +<span id="L331" class="LineNr">331 </span> +<span id="L332" class="LineNr">332 </span><span class="Comment"># a channel can be closed from either the source or the sink</span> +<span id="L333" class="LineNr">333 </span><span class="Comment"># both routines can modify the 'closed?' bit, but they can only ever set it, so this is a benign race</span> +<span id="L334" class="LineNr">334 </span><span class="muRecipe">def</span> close x:&:<a href='075channel.mu.html#L43'>source</a>:_elem<span class="muRecipe"> -> </span>x:&:<a href='075channel.mu.html#L43'>source</a>:_elem [ +<span id="L335" class="LineNr">335 </span> <span class="Constant">local-scope</span> +<span id="L336" class="LineNr">336 </span> <span class="Constant">load-ingredients</span> +<span id="L337" class="LineNr">337 </span> chan:&:channel:_elem <span class="Special"><-</span> get *x, <span class="Constant">chan:offset</span> +<span id="L338" class="LineNr">338 </span> *chan <span class="Special"><-</span> put *chan, <span class="Constant">closed?:offset</span>, <span class="Constant">1/true</span> +<span id="L339" class="LineNr">339 </span>] +<span id="L340" class="LineNr">340 </span><span class="muRecipe">def</span> close x:&:<a href='075channel.mu.html#L47'>sink</a>:_elem<span class="muRecipe"> -> </span>x:&:<a href='075channel.mu.html#L47'>sink</a>:_elem [ +<span id="L341" class="LineNr">341 </span> <span class="Constant">local-scope</span> +<span id="L342" class="LineNr">342 </span> <span class="Constant">load-ingredients</span> +<span id="L343" class="LineNr">343 </span> chan:&:channel:_elem <span class="Special"><-</span> get *x, <span class="Constant">chan:offset</span> +<span id="L344" class="LineNr">344 </span> *chan <span class="Special"><-</span> put *chan, <span class="Constant">closed?:offset</span>, <span class="Constant">1/true</span> <span id="L345" class="LineNr">345 </span>] <span id="L346" class="LineNr">346 </span> -<span id="L347" class="LineNr">347 </span><span class="SalientComment">## helpers</span> -<span id="L348" class="LineNr">348 </span> -<span id="L349" class="LineNr">349 </span><span class="Comment"># An empty channel has first-empty and first-full both at the same value.</span> -<span id="L350" class="LineNr">350 </span><span class="muRecipe">def</span> <a href='075channel.mu.html#L350'>channel-empty?</a> chan:&:channel:_elem<span class="muRecipe"> -> </span>result:bool [ -<span id="L351" class="LineNr">351 </span> <span class="Constant">local-scope</span> -<span id="L352" class="LineNr">352 </span> <span class="Constant">load-ingredients</span> -<span id="L353" class="LineNr">353 </span> <span class="Comment"># return chan.first-full == chan.first-free</span> -<span id="L354" class="LineNr">354 </span> full:num <span class="Special"><-</span> get *chan, <span class="Constant">first-full:offset</span> -<span id="L355" class="LineNr">355 </span> free:num <span class="Special"><-</span> get *chan, <span class="Constant">first-free:offset</span> -<span id="L356" class="LineNr">356 </span> result <span class="Special"><-</span> equal full, free -<span id="L357" class="LineNr">357 </span>] -<span id="L358" class="LineNr">358 </span> -<span id="L359" class="LineNr">359 </span><span class="Comment"># A full channel has first-empty just before first-full, wasting one slot.</span> -<span id="L360" class="LineNr">360 </span><span class="Comment"># (Other alternatives: <a href="https://en.wikipedia.org/wiki/Circular_buffer#Full_.2F_Empty_Buffer_Distinction">https://en.wikipedia.org/wiki/Circular_buffer#Full_.2F_Empty_Buffer_Distinction</a>)</span> -<span id="L361" class="LineNr">361 </span><span class="muRecipe">def</span> <a href='075channel.mu.html#L361'>channel-full?</a> chan:&:channel:_elem<span class="muRecipe"> -> </span>result:bool [ -<span id="L362" class="LineNr">362 </span> <span class="Constant">local-scope</span> -<span id="L363" class="LineNr">363 </span> <span class="Constant">load-ingredients</span> -<span id="L364" class="LineNr">364 </span> <span class="Comment"># tmp = chan.first-free + 1</span> -<span id="L365" class="LineNr">365 </span> tmp:num <span class="Special"><-</span> get *chan, <span class="Constant">first-free:offset</span> -<span id="L366" class="LineNr">366 </span> tmp <span class="Special"><-</span> add tmp,<span class="Constant"> 1</span> -<span id="L367" class="LineNr">367 </span> <span class="Delimiter">{</span> -<span id="L368" class="LineNr">368 </span> <span class="Conceal">¦</span> <span class="Comment"># if tmp == chan.capacity, tmp = 0</span> -<span id="L369" class="LineNr">369 </span> <span class="Conceal">¦</span> len:num <span class="Special"><-</span> <a href='075channel.mu.html#L379'>capacity</a> chan -<span id="L370" class="LineNr">370 </span> <span class="Conceal">¦</span> at-end?:bool <span class="Special"><-</span> greater-or-equal tmp, len -<span id="L371" class="LineNr">371 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> at-end? -<span id="L372" class="LineNr">372 </span> <span class="Conceal">¦</span> tmp <span class="Special"><-</span> copy<span class="Constant"> 0</span> -<span id="L373" class="LineNr">373 </span> <span class="Delimiter">}</span> -<span id="L374" class="LineNr">374 </span> <span class="Comment"># return chan.first-full == tmp</span> -<span id="L375" class="LineNr">375 </span> full:num <span class="Special"><-</span> get *chan, <span class="Constant">first-full:offset</span> -<span id="L376" class="LineNr">376 </span> result <span class="Special"><-</span> equal full, tmp +<span id="L347" class="LineNr">347 </span><span class="Comment"># once a channel is closed from one side, no further operations are expected from that side</span> +<span id="L348" class="LineNr">348 </span><span class="Comment"># if a channel is closed for reading,</span> +<span id="L349" class="LineNr">349 </span><span class="Comment"># no further writes will be let through</span> +<span id="L350" class="LineNr">350 </span><span class="Comment"># if a channel is closed for writing,</span> +<span id="L351" class="LineNr">351 </span><span class="Comment"># future reads continue until the channel empties,</span> +<span id="L352" class="LineNr">352 </span><span class="Comment"># then the channel is also closed for reading</span> +<span id="L353" class="LineNr">353 </span><span class="muRecipe">after</span> <span class="Constant"><a href='075channel.mu.html#L72'><channel-write-initial></a></span> [ +<span id="L354" class="LineNr">354 </span> closed?:bool <span class="Special"><-</span> get *chan, <span class="Constant">closed?:offset</span> +<span id="L355" class="LineNr">355 </span> <span class="muControl">return-if</span> closed? +<span id="L356" class="LineNr">356 </span>] +<span id="L357" class="LineNr">357 </span><span class="muRecipe">after</span> <span class="Constant"><a href='075channel.mu.html#L133'><channel-read-empty></a></span> [ +<span id="L358" class="LineNr">358 </span> closed?:bool <span class="Special"><-</span> get *chan, <span class="Constant">closed?:offset</span> +<span id="L359" class="LineNr">359 </span> <span class="Delimiter">{</span> +<span id="L360" class="LineNr">360 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> closed? +<span id="L361" class="LineNr">361 </span> <span class="Conceal">¦</span> empty-result:&:_elem <span class="Special"><-</span> new <span class="Constant">_elem:type</span> +<span id="L362" class="LineNr">362 </span> <span class="Conceal">¦</span> current-routine-is-unblocked +<span id="L363" class="LineNr">363 </span> <span class="Conceal">¦</span> <span class="muControl">return</span> *empty-result, <span class="Constant">1/true</span> +<span id="L364" class="LineNr">364 </span> <span class="Delimiter">}</span> +<span id="L365" class="LineNr">365 </span>] +<span id="L366" class="LineNr">366 </span> +<span id="L367" class="LineNr">367 </span><span class="SalientComment">## helpers</span> +<span id="L368" class="LineNr">368 </span> +<span id="L369" class="LineNr">369 </span><span class="Comment"># An empty channel has first-free and first-full both at the same value.</span> +<span id="L370" class="LineNr">370 </span><span class="muRecipe">def</span> <a href='075channel.mu.html#L370'>channel-empty?</a> chan:&:channel:_elem<span class="muRecipe"> -> </span>result:bool [ +<span id="L371" class="LineNr">371 </span> <span class="Constant">local-scope</span> +<span id="L372" class="LineNr">372 </span> <span class="Constant">load-ingredients</span> +<span id="L373" class="LineNr">373 </span> <span class="Comment"># return chan.first-full == chan.first-free</span> +<span id="L374" class="LineNr">374 </span> full:num <span class="Special"><-</span> get *chan, <span class="Constant">first-full:offset</span> +<span id="L375" class="LineNr">375 </span> free:num <span class="Special"><-</span> get *chan, <span class="Constant">first-free:offset</span> +<span id="L376" class="LineNr">376 </span> result <span class="Special"><-</span> equal full, free <span id="L377" class="LineNr">377 </span>] <span id="L378" class="LineNr">378 </span> -<span id="L379" class="LineNr">379 </span><span class="muRecipe">def</span> <a href='075channel.mu.html#L379'>capacity</a> chan:&:channel:_elem<span class="muRecipe"> -> </span>result:num [ -<span id="L380" class="LineNr">380 </span> <span class="Constant">local-scope</span> -<span id="L381" class="LineNr">381 </span> <span class="Constant">load-ingredients</span> -<span id="L382" class="LineNr">382 </span> q:&:@:_elem <span class="Special"><-</span> get *chan, <span class="Constant">data:offset</span> -<span id="L383" class="LineNr">383 </span> result <span class="Special"><-</span> length *q -<span id="L384" class="LineNr">384 </span>] -<span id="L385" class="LineNr">385 </span> -<span id="L386" class="LineNr">386 </span><span class="SalientComment">## helpers for channels of characters in particular</span> -<span id="L387" class="LineNr">387 </span> -<span id="L388" class="LineNr">388 </span><span class="muRecipe">def</span> <a href='075channel.mu.html#L388'>buffer-lines</a> in:&:<a href='075channel.mu.html#L43'>source</a>:char, buffered-out:&:<a href='075channel.mu.html#L47'>sink</a>:char<span class="muRecipe"> -> </span>buffered-out:&:<a href='075channel.mu.html#L47'>sink</a>:char, in:&:<a href='075channel.mu.html#L43'>source</a>:char [ -<span id="L389" class="LineNr">389 </span> <span class="Constant">local-scope</span> -<span id="L390" class="LineNr">390 </span> <span class="Constant">load-ingredients</span> -<span id="L391" class="LineNr">391 </span> <span class="Comment"># repeat forever</span> -<span id="L392" class="LineNr">392 </span> eof?:bool <span class="Special"><-</span> copy <span class="Constant">0/false</span> -<span id="L393" class="LineNr">393 </span> <span class="Delimiter">{</span> -<span id="L394" class="LineNr">394 </span> <span class="Conceal">¦</span> line:&:<a href='061text.mu.html#L126'>buffer</a>:char <span class="Special"><-</span> <a href='061text.mu.html#L131'>new-buffer</a><span class="Constant"> 30</span> -<span id="L395" class="LineNr">395 </span> <span class="Conceal">¦</span> <span class="Comment"># read characters from 'in' until newline, copy into line</span> -<span id="L396" class="LineNr">396 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L397" class="LineNr">397 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> +next-character</span> -<span id="L398" class="LineNr">398 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> c:char, eof?:bool, in <span class="Special"><-</span> read in -<span id="L399" class="LineNr">399 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> eof? -<span id="L400" class="LineNr">400 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># drop a character on backspace</span> -<span id="L401" class="LineNr">401 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L402" class="LineNr">402 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># special-case: if it's a backspace</span> -<span id="L403" class="LineNr">403 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> backspace?:bool <span class="Special"><-</span> equal c,<span class="Constant"> 8</span> -<span id="L404" class="LineNr">404 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> backspace? -<span id="L405" class="LineNr">405 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># drop previous character</span> -<span id="L406" class="LineNr">406 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L407" class="LineNr">407 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> buffer-length:num <span class="Special"><-</span> get *line, <span class="Constant">length:offset</span> -<span id="L408" class="LineNr">408 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> buffer-empty?:bool <span class="Special"><-</span> equal buffer-length,<span class="Constant"> 0</span> -<span id="L409" class="LineNr">409 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> buffer-empty? -<span id="L410" class="LineNr">410 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> buffer-length <span class="Special"><-</span> subtract buffer-length,<span class="Constant"> 1</span> -<span id="L411" class="LineNr">411 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> *line <span class="Special"><-</span> put *line, <span class="Constant">length:offset</span>, buffer-length -<span id="L412" class="LineNr">412 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L413" class="LineNr">413 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># and don't append this one</span> -<span id="L414" class="LineNr">414 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">loop</span> <span class="Constant">+next-character</span> -<span id="L415" class="LineNr">415 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L416" class="LineNr">416 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># append anything else</span> -<span id="L417" class="LineNr">417 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> line <span class="Special"><-</span> append line, c -<span id="L418" class="LineNr">418 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> line-done?:bool <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> -<span id="L419" class="LineNr">419 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> line-done? -<span id="L420" class="LineNr">420 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">loop</span> -<span id="L421" class="LineNr">421 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L422" class="LineNr">422 </span> <span class="Conceal">¦</span> <span class="Comment"># copy line into 'buffered-out'</span> -<span id="L423" class="LineNr">423 </span> <span class="Conceal">¦</span> i:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> -<span id="L424" class="LineNr">424 </span> <span class="Conceal">¦</span> line-contents:text <span class="Special"><-</span> get *line, <span class="Constant">data:offset</span> -<span id="L425" class="LineNr">425 </span> <span class="Conceal">¦</span> max:num <span class="Special"><-</span> get *line, <span class="Constant">length:offset</span> -<span id="L426" class="LineNr">426 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L427" class="LineNr">427 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> done?:bool <span class="Special"><-</span> greater-or-equal i, max -<span id="L428" class="LineNr">428 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> done? -<span id="L429" class="LineNr">429 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> c:char <span class="Special"><-</span> index *line-contents, i -<span id="L430" class="LineNr">430 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> buffered-out <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> buffered-out, c -<span id="L431" class="LineNr">431 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> -<span id="L432" class="LineNr">432 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">loop</span> -<span id="L433" class="LineNr">433 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L434" class="LineNr">434 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L435" class="LineNr">435 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> eof? -<span id="L436" class="LineNr">436 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> buffered-out <span class="Special"><-</span> close buffered-out -<span id="L437" class="LineNr">437 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">return</span> -<span id="L438" class="LineNr">438 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L439" class="LineNr">439 </span> <span class="Conceal">¦</span> <span class="muControl">loop</span> -<span id="L440" class="LineNr">440 </span> <span class="Delimiter">}</span> -<span id="L441" class="LineNr">441 </span>] -<span id="L442" class="LineNr">442 </span> -<span id="L443" class="LineNr">443 </span><span class="muScenario">scenario</span> buffer-lines-blocks-until-newline [ -<span id="L444" class="LineNr">444 </span> run [ -<span id="L445" class="LineNr">445 </span> <span class="Conceal">¦</span> <span class="Constant">local-scope</span> -<span id="L446" class="LineNr">446 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L43'>source</a>:&:<a href='075channel.mu.html#L43'>source</a>:char, <a href='075channel.mu.html#L47'>sink</a>:&:<a href='075channel.mu.html#L47'>sink</a>:char <span class="Special"><-</span> <a href='075channel.mu.html#L51'>new-channel</a> <span class="Constant">10/capacity</span> -<span id="L447" class="LineNr">447 </span> <span class="Conceal">¦</span> _, buffered-stdin:&:<a href='075channel.mu.html#L47'>sink</a>:char/buffered-stdin <span class="Special"><-</span> <a href='075channel.mu.html#L51'>new-channel</a> <span class="Constant">10/capacity</span> -<span id="L448" class="LineNr">448 </span> <span class="Conceal">¦</span> buffered-chan:&:channel:char <span class="Special"><-</span> get *buffered-stdin, <span class="Constant">chan:offset</span> -<span id="L449" class="LineNr">449 </span> <span class="Conceal">¦</span> empty?:bool <span class="Special"><-</span> <a href='075channel.mu.html#L350'>channel-empty?</a> buffered-chan -<span id="L450" class="LineNr">450 </span> <span class="Conceal">¦</span> assert empty?, <span class="Constant">[ </span> -<span id="L451" class="LineNr">451 </span><span class="Constant">F buffer-lines-blocks-until-newline: channel should be empty after init]</span> -<span id="L452" class="LineNr">452 </span> <span class="Conceal">¦</span> <span class="Comment"># buffer stdin into buffered-stdin, try to read from buffered-stdin</span> -<span id="L453" class="LineNr">453 </span> <span class="Conceal">¦</span> buffer-routine:num <span class="Special"><-</span> start-running <a href='075channel.mu.html#L388'>buffer-lines</a>, <a href='075channel.mu.html#L43'>source</a>, buffered-stdin -<span id="L454" class="LineNr">454 </span> <span class="Conceal">¦</span> wait-for-routine-to-block buffer-routine -<span id="L455" class="LineNr">455 </span> <span class="Conceal">¦</span> empty? <span class="Special"><-</span> <a href='075channel.mu.html#L350'>channel-empty?</a> buffered-chan -<span id="L456" class="LineNr">456 </span> <span class="Conceal">¦</span> assert empty?:bool, <span class="Constant">[ </span> -<span id="L457" class="LineNr">457 </span><span class="Constant">F buffer-lines-blocks-until-newline: channel should be empty after <a href='075channel.mu.html#L388'>buffer-lines</a> bring-up]</span> -<span id="L458" class="LineNr">458 </span> <span class="Conceal">¦</span> <span class="Comment"># write 'a'</span> -<span id="L459" class="LineNr">459 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">97/a</span> -<span id="L460" class="LineNr">460 </span> <span class="Conceal">¦</span> restart buffer-routine -<span id="L461" class="LineNr">461 </span> <span class="Conceal">¦</span> wait-for-routine-to-block buffer-routine -<span id="L462" class="LineNr">462 </span> <span class="Conceal">¦</span> empty? <span class="Special"><-</span> <a href='075channel.mu.html#L350'>channel-empty?</a> buffered-chan -<span id="L463" class="LineNr">463 </span> <span class="Conceal">¦</span> assert empty?:bool, <span class="Constant">[ </span> -<span id="L464" class="LineNr">464 </span><span class="Constant">F buffer-lines-blocks-until-newline: channel should be empty after writing 'a']</span> -<span id="L465" class="LineNr">465 </span> <span class="Conceal">¦</span> <span class="Comment"># write 'b'</span> -<span id="L466" class="LineNr">466 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">98/b</span> -<span id="L467" class="LineNr">467 </span> <span class="Conceal">¦</span> restart buffer-routine -<span id="L468" class="LineNr">468 </span> <span class="Conceal">¦</span> wait-for-routine-to-block buffer-routine -<span id="L469" class="LineNr">469 </span> <span class="Conceal">¦</span> empty? <span class="Special"><-</span> <a href='075channel.mu.html#L350'>channel-empty?</a> buffered-chan -<span id="L470" class="LineNr">470 </span> <span class="Conceal">¦</span> assert empty?:bool, <span class="Constant">[ </span> -<span id="L471" class="LineNr">471 </span><span class="Constant">F buffer-lines-blocks-until-newline: channel should be empty after writing 'b']</span> -<span id="L472" class="LineNr">472 </span> <span class="Conceal">¦</span> <span class="Comment"># write newline</span> -<span id="L473" class="LineNr">473 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">10/newline</span> -<span id="L474" class="LineNr">474 </span> <span class="Conceal">¦</span> restart buffer-routine -<span id="L475" class="LineNr">475 </span> <span class="Conceal">¦</span> wait-for-routine-to-block buffer-routine -<span id="L476" class="LineNr">476 </span> <span class="Conceal">¦</span> empty? <span class="Special"><-</span> <a href='075channel.mu.html#L350'>channel-empty?</a> buffered-chan -<span id="L477" class="LineNr">477 </span> <span class="Conceal">¦</span> data-emitted?:bool <span class="Special"><-</span> not empty? -<span id="L478" class="LineNr">478 </span> <span class="Conceal">¦</span> assert data-emitted?, <span class="Constant">[ </span> -<span id="L479" class="LineNr">479 </span><span class="Constant">F buffer-lines-blocks-until-newline: channel should contain data after writing newline]</span> -<span id="L480" class="LineNr">480 </span> <span class="Conceal">¦</span> trace<span class="Constant"> 1</span>, <span class="Constant">[test]</span>, <span class="Constant">[reached end]</span> -<span id="L481" class="LineNr">481 </span> ] -<span id="L482" class="LineNr">482 </span> trace-should-contain [ -<span id="L483" class="LineNr">483 </span> <span class="Conceal">¦</span> test: reached end -<span id="L484" class="LineNr">484 </span> ] -<span id="L485" class="LineNr">485 </span>] -<span id="L486" class="LineNr">486 </span> -<span id="L487" class="LineNr">487 </span><span class="muRecipe">def</span> <a href='075channel.mu.html#L487'>drain</a> <a href='075channel.mu.html#L43'>source</a>:&:<a href='075channel.mu.html#L43'>source</a>:char<span class="muRecipe"> -> </span>result:text, <a href='075channel.mu.html#L43'>source</a>:&:<a href='075channel.mu.html#L43'>source</a>:char [ -<span id="L488" class="LineNr">488 </span> <span class="Constant">local-scope</span> -<span id="L489" class="LineNr">489 </span> <span class="Constant">load-ingredients</span> -<span id="L490" class="LineNr">490 </span> buf:&:<a href='061text.mu.html#L126'>buffer</a>:char <span class="Special"><-</span> <a href='061text.mu.html#L131'>new-buffer</a><span class="Constant"> 30</span> -<span id="L491" class="LineNr">491 </span> <span class="Delimiter">{</span> -<span id="L492" class="LineNr">492 </span> <span class="Conceal">¦</span> c:char, done?:bool <span class="Special"><-</span> read <a href='075channel.mu.html#L43'>source</a> -<span id="L493" class="LineNr">493 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> done? -<span id="L494" class="LineNr">494 </span> <span class="Conceal">¦</span> buf <span class="Special"><-</span> append buf, c -<span id="L495" class="LineNr">495 </span> <span class="Conceal">¦</span> <span class="muControl">loop</span> -<span id="L496" class="LineNr">496 </span> <span class="Delimiter">}</span> -<span id="L497" class="LineNr">497 </span> result <span class="Special"><-</span> <a href='061text.mu.html#L344'>buffer-to-array</a> buf -<span id="L498" class="LineNr">498 </span>] +<span id="L379" class="LineNr">379 </span><span class="Comment"># A full channel has first-free just before first-full, wasting one slot.</span> +<span id="L380" class="LineNr">380 </span><span class="Comment"># (Other alternatives: <a href="https://www.snellman.net/blog/archive/2016-12-13-ring-buffers">https://www.snellman.net/blog/archive/2016-12-13-ring-buffers</a>)</span> +<span id="L381" class="LineNr">381 </span><span class="muRecipe">def</span> <a href='075channel.mu.html#L381'>channel-full?</a> chan:&:channel:_elem<span class="muRecipe"> -> </span>result:bool [ +<span id="L382" class="LineNr">382 </span> <span class="Constant">local-scope</span> +<span id="L383" class="LineNr">383 </span> <span class="Constant">load-ingredients</span> +<span id="L384" class="LineNr">384 </span> <span class="Comment"># tmp = chan.first-free + 1</span> +<span id="L385" class="LineNr">385 </span> tmp:num <span class="Special"><-</span> get *chan, <span class="Constant">first-free:offset</span> +<span id="L386" class="LineNr">386 </span> tmp <span class="Special"><-</span> add tmp,<span class="Constant"> 1</span> +<span id="L387" class="LineNr">387 </span> <span class="Delimiter">{</span> +<span id="L388" class="LineNr">388 </span> <span class="Conceal">¦</span> <span class="Comment"># if tmp == chan.capacity, tmp = 0</span> +<span id="L389" class="LineNr">389 </span> <span class="Conceal">¦</span> len:num <span class="Special"><-</span> <a href='075channel.mu.html#L399'>capacity</a> chan +<span id="L390" class="LineNr">390 </span> <span class="Conceal">¦</span> at-end?:bool <span class="Special"><-</span> greater-or-equal tmp, len +<span id="L391" class="LineNr">391 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> at-end? +<span id="L392" class="LineNr">392 </span> <span class="Conceal">¦</span> tmp <span class="Special"><-</span> copy<span class="Constant"> 0</span> +<span id="L393" class="LineNr">393 </span> <span class="Delimiter">}</span> +<span id="L394" class="LineNr">394 </span> <span class="Comment"># return chan.first-full == tmp</span> +<span id="L395" class="LineNr">395 </span> full:num <span class="Special"><-</span> get *chan, <span class="Constant">first-full:offset</span> +<span id="L396" class="LineNr">396 </span> result <span class="Special"><-</span> equal full, tmp +<span id="L397" class="LineNr">397 </span>] +<span id="L398" class="LineNr">398 </span> +<span id="L399" class="LineNr">399 </span><span class="muRecipe">def</span> <a href='075channel.mu.html#L399'>capacity</a> chan:&:channel:_elem<span class="muRecipe"> -> </span>result:num [ +<span id="L400" class="LineNr">400 </span> <span class="Constant">local-scope</span> +<span id="L401" class="LineNr">401 </span> <span class="Constant">load-ingredients</span> +<span id="L402" class="LineNr">402 </span> q:&:@:_elem <span class="Special"><-</span> get *chan, <span class="Constant">data:offset</span> +<span id="L403" class="LineNr">403 </span> result <span class="Special"><-</span> length *q +<span id="L404" class="LineNr">404 </span>] +<span id="L405" class="LineNr">405 </span> +<span id="L406" class="LineNr">406 </span><span class="SalientComment">## helpers for channels of characters in particular</span> +<span id="L407" class="LineNr">407 </span> +<span id="L408" class="LineNr">408 </span><span class="muRecipe">def</span> <a href='075channel.mu.html#L408'>buffer-lines</a> in:&:<a href='075channel.mu.html#L43'>source</a>:char, buffered-out:&:<a href='075channel.mu.html#L47'>sink</a>:char<span class="muRecipe"> -> </span>buffered-out:&:<a href='075channel.mu.html#L47'>sink</a>:char, in:&:<a href='075channel.mu.html#L43'>source</a>:char [ +<span id="L409" class="LineNr">409 </span> <span class="Constant">local-scope</span> +<span id="L410" class="LineNr">410 </span> <span class="Constant">load-ingredients</span> +<span id="L411" class="LineNr">411 </span> <span class="Comment"># repeat forever</span> +<span id="L412" class="LineNr">412 </span> eof?:bool <span class="Special"><-</span> copy <span class="Constant">0/false</span> +<span id="L413" class="LineNr">413 </span> <span class="Delimiter">{</span> +<span id="L414" class="LineNr">414 </span> <span class="Conceal">¦</span> line:&:<a href='061text.mu.html#L126'>buffer</a>:char <span class="Special"><-</span> <a href='061text.mu.html#L131'>new-buffer</a><span class="Constant"> 30</span> +<span id="L415" class="LineNr">415 </span> <span class="Conceal">¦</span> <span class="Comment"># read characters from 'in' until newline, copy into line</span> +<span id="L416" class="LineNr">416 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> +<span id="L417" class="LineNr">417 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> +next-character</span> +<span id="L418" class="LineNr">418 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> c:char, eof?:bool, in <span class="Special"><-</span> read in +<span id="L419" class="LineNr">419 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> eof? +<span id="L420" class="LineNr">420 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># drop a character on backspace</span> +<span id="L421" class="LineNr">421 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> +<span id="L422" class="LineNr">422 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># special-case: if it's a backspace</span> +<span id="L423" class="LineNr">423 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> backspace?:bool <span class="Special"><-</span> equal c,<span class="Constant"> 8</span> +<span id="L424" class="LineNr">424 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> backspace? +<span id="L425" class="LineNr">425 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># drop previous character</span> +<span id="L426" class="LineNr">426 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> +<span id="L427" class="LineNr">427 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> buffer-length:num <span class="Special"><-</span> get *line, <span class="Constant">length:offset</span> +<span id="L428" class="LineNr">428 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> buffer-empty?:bool <span class="Special"><-</span> equal buffer-length,<span class="Constant"> 0</span> +<span id="L429" class="LineNr">429 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> buffer-empty? +<span id="L430" class="LineNr">430 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> buffer-length <span class="Special"><-</span> subtract buffer-length,<span class="Constant"> 1</span> +<span id="L431" class="LineNr">431 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> *line <span class="Special"><-</span> put *line, <span class="Constant">length:offset</span>, buffer-length +<span id="L432" class="LineNr">432 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> +<span id="L433" class="LineNr">433 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># and don't append this one</span> +<span id="L434" class="LineNr">434 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">loop</span> <span class="Constant">+next-character</span> +<span id="L435" class="LineNr">435 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> +<span id="L436" class="LineNr">436 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># append anything else</span> +<span id="L437" class="LineNr">437 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> line <span class="Special"><-</span> append line, c +<span id="L438" class="LineNr">438 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> line-done?:bool <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> +<span id="L439" class="LineNr">439 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> line-done? +<span id="L440" class="LineNr">440 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">loop</span> +<span id="L441" class="LineNr">441 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> +<span id="L442" class="LineNr">442 </span> <span class="Conceal">¦</span> <span class="Comment"># copy line into 'buffered-out'</span> +<span id="L443" class="LineNr">443 </span> <span class="Conceal">¦</span> i:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> +<span id="L444" class="LineNr">444 </span> <span class="Conceal">¦</span> line-contents:text <span class="Special"><-</span> get *line, <span class="Constant">data:offset</span> +<span id="L445" class="LineNr">445 </span> <span class="Conceal">¦</span> max:num <span class="Special"><-</span> get *line, <span class="Constant">length:offset</span> +<span id="L446" class="LineNr">446 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> +<span id="L447" class="LineNr">447 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> done?:bool <span class="Special"><-</span> greater-or-equal i, max +<span id="L448" class="LineNr">448 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> done? +<span id="L449" class="LineNr">449 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> c:char <span class="Special"><-</span> index *line-contents, i +<span id="L450" class="LineNr">450 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> buffered-out <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> buffered-out, c +<span id="L451" class="LineNr">451 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> +<span id="L452" class="LineNr">452 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">loop</span> +<span id="L453" class="LineNr">453 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> +<span id="L454" class="LineNr">454 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> +<span id="L455" class="LineNr">455 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> eof? +<span id="L456" class="LineNr">456 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> buffered-out <span class="Special"><-</span> close buffered-out +<span id="L457" class="LineNr">457 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">return</span> +<span id="L458" class="LineNr">458 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> +<span id="L459" class="LineNr">459 </span> <span class="Conceal">¦</span> <span class="muControl">loop</span> +<span id="L460" class="LineNr">460 </span> <span class="Delimiter">}</span> +<span id="L461" class="LineNr">461 </span>] +<span id="L462" class="LineNr">462 </span> +<span id="L463" class="LineNr">463 </span><span class="muScenario">scenario</span> buffer-lines-blocks-until-newline [ +<span id="L464" class="LineNr">464 </span> run [ +<span id="L465" class="LineNr">465 </span> <span class="Conceal">¦</span> <span class="Constant">local-scope</span> +<span id="L466" class="LineNr">466 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L43'>source</a>:&:<a href='075channel.mu.html#L43'>source</a>:char, <a href='075channel.mu.html#L47'>sink</a>:&:<a href='075channel.mu.html#L47'>sink</a>:char <span class="Special"><-</span> <a href='075channel.mu.html#L51'>new-channel</a> <span class="Constant">10/capacity</span> +<span id="L467" class="LineNr">467 </span> <span class="Conceal">¦</span> _, buffered-stdin:&:<a href='075channel.mu.html#L47'>sink</a>:char/buffered-stdin <span class="Special"><-</span> <a href='075channel.mu.html#L51'>new-channel</a> <span class="Constant">10/capacity</span> +<span id="L468" class="LineNr">468 </span> <span class="Conceal">¦</span> buffered-chan:&:channel:char <span class="Special"><-</span> get *buffered-stdin, <span class="Constant">chan:offset</span> +<span id="L469" class="LineNr">469 </span> <span class="Conceal">¦</span> empty?:bool <span class="Special"><-</span> <a href='075channel.mu.html#L370'>channel-empty?</a> buffered-chan +<span id="L470" class="LineNr">470 </span> <span class="Conceal">¦</span> assert empty?, <span class="Constant">[ </span> +<span id="L471" class="LineNr">471 </span><span class="Constant">F buffer-lines-blocks-until-newline: channel should be empty after init]</span> +<span id="L472" class="LineNr">472 </span> <span class="Conceal">¦</span> <span class="Comment"># buffer stdin into buffered-stdin, try to read from buffered-stdin</span> +<span id="L473" class="LineNr">473 </span> <span class="Conceal">¦</span> buffer-routine:num <span class="Special"><-</span> start-running <a href='075channel.mu.html#L408'>buffer-lines</a>, <a href='075channel.mu.html#L43'>source</a>, buffered-stdin +<span id="L474" class="LineNr">474 </span> <span class="Conceal">¦</span> wait-for-routine-to-block buffer-routine +<span id="L475" class="LineNr">475 </span> <span class="Conceal">¦</span> empty? <span class="Special"><-</span> <a href='075channel.mu.html#L370'>channel-empty?</a> buffered-chan +<span id="L476" class="LineNr">476 </span> <span class="Conceal">¦</span> assert empty?:bool, <span class="Constant">[ </span> +<span id="L477" class="LineNr">477 </span><span class="Constant">F buffer-lines-blocks-until-newline: channel should be empty after <a href='075channel.mu.html#L408'>buffer-lines</a> bring-up]</span> +<span id="L478" class="LineNr">478 </span> <span class="Conceal">¦</span> <span class="Comment"># write 'a'</span> +<span id="L479" class="LineNr">479 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">97/a</span> +<span id="L480" class="LineNr">480 </span> <span class="Conceal">¦</span> restart buffer-routine +<span id="L481" class="LineNr">481 </span> <span class="Conceal">¦</span> wait-for-routine-to-block buffer-routine +<span id="L482" class="LineNr">482 </span> <span class="Conceal">¦</span> empty? <span class="Special"><-</span> <a href='075channel.mu.html#L370'>channel-empty?</a> buffered-chan +<span id="L483" class="LineNr">483 </span> <span class="Conceal">¦</span> assert empty?:bool, <span class="Constant">[ </span> +<span id="L484" class="LineNr">484 </span><span class="Constant">F buffer-lines-blocks-until-newline: channel should be empty after writing 'a']</span> +<span id="L485" class="LineNr">485 </span> <span class="Conceal">¦</span> <span class="Comment"># write 'b'</span> +<span id="L486" class="LineNr">486 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">98/b</span> +<span id="L487" class="LineNr">487 </span> <span class="Conceal">¦</span> restart buffer-routine +<span id="L488" class="LineNr">488 </span> <span class="Conceal">¦</span> wait-for-routine-to-block buffer-routine +<span id="L489" class="LineNr">489 </span> <span class="Conceal">¦</span> empty? <span class="Special"><-</span> <a href='075channel.mu.html#L370'>channel-empty?</a> buffered-chan +<span id="L490" class="LineNr">490 </span> <span class="Conceal">¦</span> assert empty?:bool, <span class="Constant">[ </span> +<span id="L491" class="LineNr">491 </span><span class="Constant">F buffer-lines-blocks-until-newline: channel should be empty after writing 'b']</span> +<span id="L492" class="LineNr">492 </span> <span class="Conceal">¦</span> <span class="Comment"># write newline</span> +<span id="L493" class="LineNr">493 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">10/newline</span> +<span id="L494" class="LineNr">494 </span> <span class="Conceal">¦</span> restart buffer-routine +<span id="L495" class="LineNr">495 </span> <span class="Conceal">¦</span> wait-for-routine-to-block buffer-routine +<span id="L496" class="LineNr">496 </span> <span class="Conceal">¦</span> empty? <span class="Special"><-</span> <a href='075channel.mu.html#L370'>channel-empty?</a> buffered-chan +<span id="L497" class="LineNr">497 </span> <span class="Conceal">¦</span> data-emitted?:bool <span class="Special"><-</span> not empty? +<span id="L498" class="LineNr">498 </span> <span class="Conceal">¦</span> assert data-emitted?, <span class="Constant">[ </span> +<span id="L499" class="LineNr">499 </span><span class="Constant">F buffer-lines-blocks-until-newline: channel should contain data after writing newline]</span> +<span id="L500" class="LineNr">500 </span> <span class="Conceal">¦</span> trace<span class="Constant"> 1</span>, <span class="Constant">[test]</span>, <span class="Constant">[reached end]</span> +<span id="L501" class="LineNr">501 </span> ] +<span id="L502" class="LineNr">502 </span> trace-should-contain [ +<span id="L503" class="LineNr">503 </span> <span class="Conceal">¦</span> test: reached end +<span id="L504" class="LineNr">504 </span> ] +<span id="L505" class="LineNr">505 </span>] +<span id="L506" class="LineNr">506 </span> +<span id="L507" class="LineNr">507 </span><span class="muRecipe">def</span> <a href='075channel.mu.html#L507'>drain</a> <a href='075channel.mu.html#L43'>source</a>:&:<a href='075channel.mu.html#L43'>source</a>:char<span class="muRecipe"> -> </span>result:text, <a href='075channel.mu.html#L43'>source</a>:&:<a href='075channel.mu.html#L43'>source</a>:char [ +<span id="L508" class="LineNr">508 </span> <span class="Constant">local-scope</span> +<span id="L509" class="LineNr">509 </span> <span class="Constant">load-ingredients</span> +<span id="L510" class="LineNr">510 </span> buf:&:<a href='061text.mu.html#L126'>buffer</a>:char <span class="Special"><-</span> <a href='061text.mu.html#L131'>new-buffer</a><span class="Constant"> 30</span> +<span id="L511" class="LineNr">511 </span> <span class="Delimiter">{</span> +<span id="L512" class="LineNr">512 </span> <span class="Conceal">¦</span> c:char, done?:bool <span class="Special"><-</span> read <a href='075channel.mu.html#L43'>source</a> +<span id="L513" class="LineNr">513 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> done? +<span id="L514" class="LineNr">514 </span> <span class="Conceal">¦</span> buf <span class="Special"><-</span> append buf, c +<span id="L515" class="LineNr">515 </span> <span class="Conceal">¦</span> <span class="muControl">loop</span> +<span id="L516" class="LineNr">516 </span> <span class="Delimiter">}</span> +<span id="L517" class="LineNr">517 </span> result <span class="Special"><-</span> <a href='061text.mu.html#L344'>buffer-to-array</a> buf +<span id="L518" class="LineNr">518 </span>] </pre> </body> </html> diff --git a/html/081print.mu.html b/html/081print.mu.html index 01a5dd12..c32c880f 100644 --- a/html/081print.mu.html +++ b/html/081print.mu.html @@ -167,7 +167,7 @@ if ('onhashchange' in window) { <span id="L104" class="LineNr">104 </span> <span class="Comment"># (handle special cases exactly like in the real screen)</span> <span id="L105" class="LineNr">105 </span> width:num <span class="Special"><-</span> get *screen, <span class="Constant">num-columns:offset</span> <span id="L106" class="LineNr">106 </span> height:num <span class="Special"><-</span> get *screen, <span class="Constant">num-rows:offset</span> -<span id="L107" class="LineNr">107 </span> <a href='075channel.mu.html#L379'>capacity</a>:num <span class="Special"><-</span> multiply width, height +<span id="L107" class="LineNr">107 </span> <a href='075channel.mu.html#L399'>capacity</a>:num <span class="Special"><-</span> multiply width, height <span id="L108" class="LineNr">108 </span> row:num <span class="Special"><-</span> get *screen, <span class="Constant">cursor-row:offset</span> <span id="L109" class="LineNr">109 </span> column:num <span class="Special"><-</span> get *screen, <span class="Constant">cursor-column:offset</span> <span id="L110" class="LineNr">110 </span> buf:&:@:<a href='081print.mu.html#L14'>screen-cell</a> <span class="Special"><-</span> get *screen, <span class="Constant">data:offset</span> @@ -297,8 +297,8 @@ if ('onhashchange' in window) { <span id="L234" class="LineNr">234 </span> <span class="Conceal">¦</span> <span class="muControl">loop</span> <span id="L235" class="LineNr">235 </span> <span class="Delimiter">}</span> <span id="L236" class="LineNr">236 </span> <span class="Comment"># top-idx now same as next-top-idx; wrap around if necessary</span> -<span id="L237" class="LineNr">237 </span> <a href='075channel.mu.html#L379'>capacity</a>:num <span class="Special"><-</span> multiply width, height -<span id="L238" class="LineNr">238 </span> _, top-idx <span class="Special"><-</span> divide-with-remainder, top-idx, <a href='075channel.mu.html#L379'>capacity</a> +<span id="L237" class="LineNr">237 </span> <a href='075channel.mu.html#L399'>capacity</a>:num <span class="Special"><-</span> multiply width, height +<span id="L238" class="LineNr">238 </span> _, top-idx <span class="Special"><-</span> divide-with-remainder, top-idx, <a href='075channel.mu.html#L399'>capacity</a> <span id="L239" class="LineNr">239 </span> *screen <span class="Special"><-</span> put *screen, <span class="Constant">top-idx:offset</span>, top-idx <span id="L240" class="LineNr">240 </span>] <span id="L241" class="LineNr">241 </span> @@ -309,8 +309,8 @@ if ('onhashchange' in window) { <span id="L246" class="LineNr">246 </span> <span class="Constant">load-ingredients</span> <span id="L247" class="LineNr">247 </span> result <span class="Special"><-</span> multiply width, row <span id="L248" class="LineNr">248 </span> result <span class="Special"><-</span> add result, column, top-idx -<span id="L249" class="LineNr">249 </span> <a href='075channel.mu.html#L379'>capacity</a>:num <span class="Special"><-</span> multiply width, height -<span id="L250" class="LineNr">250 </span> _, result <span class="Special"><-</span> divide-with-remainder result, <a href='075channel.mu.html#L379'>capacity</a> +<span id="L249" class="LineNr">249 </span> <a href='075channel.mu.html#L399'>capacity</a>:num <span class="Special"><-</span> multiply width, height +<span id="L250" class="LineNr">250 </span> _, result <span class="Special"><-</span> divide-with-remainder result, <a href='075channel.mu.html#L399'>capacity</a> <span id="L251" class="LineNr">251 </span>] <span id="L252" class="LineNr">252 </span> <span id="L253" class="LineNr">253 </span><span class="muScenario">scenario</span> print-character-at-top-left [ diff --git a/html/084console.mu.html b/html/084console.mu.html index 8e1b7952..9c043adf 100644 --- a/html/084console.mu.html +++ b/html/084console.mu.html @@ -140,7 +140,7 @@ if ('onhashchange' in window) { <span id="L79" class="LineNr"> 79 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> quit? <span id="L80" class="LineNr"> 80 </span> <span class="Conceal">¦</span> assert c, <span class="Constant">[invalid <a href='084console.mu.html#L4'>event</a>, expected text]</span> <span id="L81" class="LineNr"> 81 </span> <span class="Conceal">¦</span> <a href='081print.mu.html#L4'>screen</a> <span class="Special"><-</span> print <a href='081print.mu.html#L4'>screen</a>, c -<span id="L82" class="LineNr"> 82 </span> <span class="Conceal">¦</span> chan <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> chan, c +<span id="L82" class="LineNr"> 82 </span> <span class="Conceal">¦</span> chan <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> chan, c <span id="L83" class="LineNr"> 83 </span> <span class="Conceal">¦</span> <span class="muControl">loop</span> <span id="L84" class="LineNr"> 84 </span> <span class="Delimiter">}</span> <span id="L85" class="LineNr"> 85 </span> chan <span class="Special"><-</span> close chan diff --git a/html/088file.mu.html b/html/088file.mu.html index e6fad2a8..5ba2c541 100644 --- a/html/088file.mu.html +++ b/html/088file.mu.html @@ -140,7 +140,7 @@ if ('onhashchange' in window) { <span id="L79" class="LineNr"> 79 </span> <span class="Delimiter">{</span> <span id="L80" class="LineNr"> 80 </span> <span class="Conceal">¦</span> c:char, eof?:bool <span class="Special"><-</span> $read-from-file file <span id="L81" class="LineNr"> 81 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> eof? -<span id="L82" class="LineNr"> 82 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> <a href='075channel.mu.html#L47'>sink</a>, c +<span id="L82" class="LineNr"> 82 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>, c <span id="L83" class="LineNr"> 83 </span> <span class="Conceal">¦</span> <span class="muControl">loop</span> <span id="L84" class="LineNr"> 84 </span> <span class="Delimiter">}</span> <span id="L85" class="LineNr"> 85 </span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> close <a href='075channel.mu.html#L47'>sink</a> @@ -156,7 +156,7 @@ if ('onhashchange' in window) { <span id="L95" class="LineNr"> 95 </span> <span class="Conceal">¦</span> done?:bool <span class="Special"><-</span> greater-or-equal i, len <span id="L96" class="LineNr"> 96 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> done? <span id="L97" class="LineNr"> 97 </span> <span class="Conceal">¦</span> c:char <span class="Special"><-</span> index *contents, i -<span id="L98" class="LineNr"> 98 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> <a href='075channel.mu.html#L47'>sink</a>, c +<span id="L98" class="LineNr"> 98 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>, c <span id="L99" class="LineNr"> 99 </span> <span class="Conceal">¦</span> i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> <span id="L100" class="LineNr">100 </span> <span class="Conceal">¦</span> <span class="muControl">loop</span> <span id="L101" class="LineNr">101 </span> <span class="Delimiter">}</span> @@ -198,7 +198,7 @@ if ('onhashchange' in window) { <span id="L137" class="LineNr">137 </span> <span class="Conceal">¦</span> done?:bool <span class="Special"><-</span> greater-or-equal i, len <span id="L138" class="LineNr">138 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> done? <span id="L139" class="LineNr">139 </span> <span class="Conceal">¦</span> c:char <span class="Special"><-</span> index *contents, i -<span id="L140" class="LineNr">140 </span> <span class="Conceal">¦</span> sink-file <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> sink-file, c +<span id="L140" class="LineNr">140 </span> <span class="Conceal">¦</span> sink-file <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> sink-file, c <span id="L141" class="LineNr">141 </span> <span class="Conceal">¦</span> i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> <span id="L142" class="LineNr">142 </span> <span class="Conceal">¦</span> <span class="muControl">loop</span> <span id="L143" class="LineNr">143 </span> <span class="Delimiter">}</span> diff --git a/html/090scenario_filesystem_test.mu.html b/html/090scenario_filesystem_test.mu.html index 43f6a5e8..111095f9 100644 --- a/html/090scenario_filesystem_test.mu.html +++ b/html/090scenario_filesystem_test.mu.html @@ -85,8 +85,8 @@ if ('onhashchange' in window) { <span id="L27" class="LineNr">27 </span> assume-resources [ <span id="L28" class="LineNr">28 </span> ] <span id="L29" class="LineNr">29 </span> <a href='075channel.mu.html#L47'>sink</a>:&:<a href='075channel.mu.html#L47'>sink</a>:char, writer:num/routine <span class="Special"><-</span> <a href='088file.mu.html#L105'>start-writing</a> <a href='088file.mu.html#L11'>resources</a>, <span class="Constant">[a]</span> -<span id="L30" class="LineNr">30 </span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">120/x</span> -<span id="L31" class="LineNr">31 </span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">121/y</span> +<span id="L30" class="LineNr">30 </span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">120/x</span> +<span id="L31" class="LineNr">31 </span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">121/y</span> <span id="L32" class="LineNr">32 </span> close <a href='075channel.mu.html#L47'>sink</a> <span id="L33" class="LineNr">33 </span> wait-for-routine writer <span id="L34" class="LineNr">34 </span> contents-read-back:text <span class="Special"><-</span> <a href='088file.mu.html#L38'>slurp</a> <a href='088file.mu.html#L11'>resources</a>, <span class="Constant">[a]</span> @@ -104,8 +104,8 @@ if ('onhashchange' in window) { <span id="L46" class="LineNr">46 </span> <span class="Conceal">¦</span> ] <span id="L47" class="LineNr">47 </span> ] <span id="L48" class="LineNr">48 </span> <a href='075channel.mu.html#L47'>sink</a>:&:<a href='075channel.mu.html#L47'>sink</a>:char, writer:num/routine <span class="Special"><-</span> <a href='088file.mu.html#L105'>start-writing</a> <a href='088file.mu.html#L11'>resources</a>, <span class="Constant">[b]</span> -<span id="L49" class="LineNr">49 </span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">120/x</span> -<span id="L50" class="LineNr">50 </span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">121/y</span> +<span id="L49" class="LineNr">49 </span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">120/x</span> +<span id="L50" class="LineNr">50 </span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">121/y</span> <span id="L51" class="LineNr">51 </span> close <a href='075channel.mu.html#L47'>sink</a> <span id="L52" class="LineNr">52 </span> wait-for-routine writer <span id="L53" class="LineNr">53 </span> contents-read-back:text <span class="Special"><-</span> <a href='088file.mu.html#L38'>slurp</a> <a href='088file.mu.html#L11'>resources</a>, <span class="Constant">[b]</span> @@ -121,8 +121,8 @@ if ('onhashchange' in window) { <span id="L63" class="LineNr">63 </span> <span class="Conceal">¦</span> <span class="Constant">[a]</span> <span class="Special"><-</span> <span class="Constant">[]</span> <span id="L64" class="LineNr">64 </span> ] <span id="L65" class="LineNr">65 </span> <a href='075channel.mu.html#L47'>sink</a>:&:<a href='075channel.mu.html#L47'>sink</a>:char, writer:num/routine <span class="Special"><-</span> <a href='088file.mu.html#L105'>start-writing</a> <a href='088file.mu.html#L11'>resources</a>, <span class="Constant">[a]</span> -<span id="L66" class="LineNr">66 </span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">120/x</span> -<span id="L67" class="LineNr">67 </span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">121/y</span> +<span id="L66" class="LineNr">66 </span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">120/x</span> +<span id="L67" class="LineNr">67 </span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">121/y</span> <span id="L68" class="LineNr">68 </span> close <a href='075channel.mu.html#L47'>sink</a> <span id="L69" class="LineNr">69 </span> wait-for-routine writer <span id="L70" class="LineNr">70 </span> contents-read-back:text <span class="Special"><-</span> <a href='088file.mu.html#L38'>slurp</a> <a href='088file.mu.html#L11'>resources</a>, <span class="Constant">[a]</span> @@ -141,8 +141,8 @@ if ('onhashchange' in window) { <span id="L83" class="LineNr">83 </span> <span class="Conceal">¦</span> ] <span id="L84" class="LineNr">84 </span> ] <span id="L85" class="LineNr">85 </span> <a href='075channel.mu.html#L47'>sink</a>:&:<a href='075channel.mu.html#L47'>sink</a>:char, writer:num/routine <span class="Special"><-</span> <a href='088file.mu.html#L105'>start-writing</a> <a href='088file.mu.html#L11'>resources</a>, <span class="Constant">[a]</span> -<span id="L86" class="LineNr">86 </span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">120/x</span> -<span id="L87" class="LineNr">87 </span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">121/y</span> +<span id="L86" class="LineNr">86 </span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">120/x</span> +<span id="L87" class="LineNr">87 </span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">121/y</span> <span id="L88" class="LineNr">88 </span> close <a href='075channel.mu.html#L47'>sink</a> <span id="L89" class="LineNr">89 </span> wait-for-routine writer <span id="L90" class="LineNr">90 </span> contents-read-back:text <span class="Special"><-</span> <a href='088file.mu.html#L38'>slurp</a> <a href='088file.mu.html#L11'>resources</a>, <span class="Constant">[a]</span> diff --git a/html/092socket.mu.html b/html/092socket.mu.html index 48903000..a12f5e3a 100644 --- a/html/092socket.mu.html +++ b/html/092socket.mu.html @@ -77,7 +77,7 @@ if ('onhashchange' in window) { <span id="L15" class="LineNr"> 15 </span> <span class="Conceal">¦</span> handler-routine:number <span class="Special"><-</span> start-running <a href='092socket.mu.html#L55'>serve-one-request</a> socket, <a href='092socket.mu.html#L26'>example-handler</a> <span id="L16" class="LineNr"> 16 </span> ] <span id="L17" class="LineNr"> 17 </span> <a href='075channel.mu.html#L43'>source</a>:&:<a href='075channel.mu.html#L43'>source</a>:char <span class="Special"><-</span> <a href='092socket.mu.html#L69'>start-reading-from-network</a> <span class="Constant">0/real-resources</span>, <span class="Constant">[localhost/]</span>, port -<span id="L18" class="LineNr"> 18 </span> response:text <span class="Special"><-</span> <a href='075channel.mu.html#L487'>drain</a> <a href='075channel.mu.html#L43'>source</a> +<span id="L18" class="LineNr"> 18 </span> response:text <span class="Special"><-</span> <a href='075channel.mu.html#L507'>drain</a> <a href='075channel.mu.html#L43'>source</a> <span id="L19" class="LineNr"> 19 </span> 10:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *response <span id="L20" class="LineNr"> 20 </span> memory-should-contain [ <span id="L21" class="LineNr"> 21 </span> <span class="Conceal">¦</span> 10:array:character <span class="Special"><-</span> <span class="Constant">[abc]</span> @@ -104,7 +104,7 @@ if ('onhashchange' in window) { <span id="L42" class="LineNr"> 42 </span> run [ <span id="L43" class="LineNr"> 43 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L43'>source</a>:&:<a href='075channel.mu.html#L43'>source</a>:char <span class="Special"><-</span> <a href='092socket.mu.html#L69'>start-reading-from-network</a> <a href='088file.mu.html#L11'>resources</a>, <span class="Constant">[example.com/]</span> <span id="L44" class="LineNr"> 44 </span> ] -<span id="L45" class="LineNr"> 45 </span> contents:text <span class="Special"><-</span> <a href='075channel.mu.html#L487'>drain</a> <a href='075channel.mu.html#L43'>source</a> +<span id="L45" class="LineNr"> 45 </span> contents:text <span class="Special"><-</span> <a href='075channel.mu.html#L507'>drain</a> <a href='075channel.mu.html#L43'>source</a> <span id="L46" class="LineNr"> 46 </span> 10:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *contents <span id="L47" class="LineNr"> 47 </span> memory-should-contain [ <span id="L48" class="LineNr"> 48 </span> <span class="Conceal">¦</span> 10:array:character <span class="Special"><-</span> <span class="Constant">[abc</span> @@ -122,7 +122,7 @@ if ('onhashchange' in window) { <span id="L60" class="LineNr"> 60 </span><span class="Constant">F - example-server-test: $accept failed]</span> <span id="L61" class="LineNr"> 61 </span> contents:&:<a href='075channel.mu.html#L43'>source</a>:char, <a href='075channel.mu.html#L47'>sink</a>:&:<a href='075channel.mu.html#L47'>sink</a>:char <span class="Special"><-</span> <a href='075channel.mu.html#L51'>new-channel</a><span class="Constant"> 30</span> <span id="L62" class="LineNr"> 62 </span> start-running <a href='092socket.mu.html#L104'>receive-from-socket</a> session, <a href='075channel.mu.html#L47'>sink</a> -<span id="L63" class="LineNr"> 63 </span> query:text <span class="Special"><-</span> <a href='075channel.mu.html#L487'>drain</a> contents +<span id="L63" class="LineNr"> 63 </span> query:text <span class="Special"><-</span> <a href='075channel.mu.html#L507'>drain</a> contents <span id="L64" class="LineNr"> 64 </span> response:text <span class="Special"><-</span> call <a href='092socket.mu.html#L53'>request-handler</a>, query <span id="L65" class="LineNr"> 65 </span> <a href='092socket.mu.html#L132'>write-to-socket</a> session, response <span id="L66" class="LineNr"> 66 </span> session <span class="Special"><-</span> $close-socket session @@ -173,7 +173,7 @@ if ('onhashchange' in window) { <span id="L111" class="LineNr">111 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> error <span id="L112" class="LineNr">112 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> <span id="L113" class="LineNr">113 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> found? -<span id="L114" class="LineNr">114 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> <a href='075channel.mu.html#L47'>sink</a>, c +<span id="L114" class="LineNr">114 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>, c <span id="L115" class="LineNr">115 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> <span id="L116" class="LineNr">116 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> <span id="L117" class="LineNr">117 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> found? diff --git a/html/channel.mu.html b/html/channel.mu.html index bb0808f1..8144078a 100644 --- a/html/channel.mu.html +++ b/html/channel.mu.html @@ -72,7 +72,7 @@ if ('onhashchange' in window) { <span id="L12" class="LineNr">12 </span> <span class="Conceal">¦</span> <span class="Comment"># other threads might get between these prints</span> <span id="L13" class="LineNr">13 </span> <span class="Conceal">¦</span> $print <span class="Constant">[produce: ]</span>, n, <span class="Constant">[ </span> <span id="L14" class="LineNr">14 </span><span class="Constant">]</span> -<span id="L15" class="LineNr">15 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> <a href='075channel.mu.html#L47'>sink</a>, n +<span id="L15" class="LineNr">15 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>, n <span id="L16" class="LineNr">16 </span> <span class="Conceal">¦</span> n <span class="Special"><-</span> add n,<span class="Constant"> 1</span> <span id="L17" class="LineNr">17 </span> <span class="Conceal">¦</span> <span class="muControl">loop</span> <span id="L18" class="LineNr">18 </span> <span class="Delimiter">}</span> diff --git a/html/chessboard.mu.html b/html/chessboard.mu.html index e4c4b112..ddc76c22 100644 --- a/html/chessboard.mu.html +++ b/html/chessboard.mu.html @@ -139,7 +139,7 @@ if ('onhashchange' in window) { <span id="L75" class="LineNr"> 75 </span> start-running <a href='084console.mu.html#L73'>send-keys-to-channel</a>, <a href='084console.mu.html#L23'>console</a>, stdin-out, <a href='081print.mu.html#L4'>screen</a> <span id="L76" class="LineNr"> 76 </span> <span class="Comment"># buffer lines in stdin</span> <span id="L77" class="LineNr"> 77 </span> buffered-stdin-in:&:<a href='075channel.mu.html#L43'>source</a>:char, buffered-stdin-out:&:<a href='075channel.mu.html#L47'>sink</a>:char <span class="Special"><-</span> <a href='075channel.mu.html#L51'>new-channel</a> <span class="Constant">10/capacity</span> -<span id="L78" class="LineNr"> 78 </span> start-running <a href='075channel.mu.html#L388'>buffer-lines</a>, stdin-in, buffered-stdin-out +<span id="L78" class="LineNr"> 78 </span> start-running <a href='075channel.mu.html#L408'>buffer-lines</a>, stdin-in, buffered-stdin-out <span id="L79" class="LineNr"> 79 </span> <span class="Delimiter">{</span> <span id="L80" class="LineNr"> 80 </span> <span class="Conceal">¦</span> print <a href='081print.mu.html#L4'>screen</a>, <span class="Constant">[Stupid text-mode chessboard. White pieces in uppercase; black pieces in lowercase. No checking for legal moves.</span> <span id="L81" class="LineNr"> 81 </span><span class="Constant">]</span> @@ -156,7 +156,7 @@ if ('onhashchange' in window) { <span id="L92" class="LineNr"> 92 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='081print.mu.html#L4'>screen</a> <span class="Special"><-</span> print <a href='081print.mu.html#L4'>screen</a>, <span class="Constant">[move: ]</span> <span id="L93" class="LineNr"> 93 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> m:&:<a href='chessboard.mu.html#L229'>move</a>, quit:bool, error:bool <span class="Special"><-</span> <a href='chessboard.mu.html#L238'>read-move</a> buffered-stdin-in, <a href='081print.mu.html#L4'>screen</a> <span id="L94" class="LineNr"> 94 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> quit, <span class="Constant">+quit</span> -<span id="L95" class="LineNr"> 95 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> buffered-stdin-in <span class="Special"><-</span> <a href='075channel.mu.html#L161'>clear</a> buffered-stdin-in <span class="Comment"># cleanup after error. todo: test this?</span> +<span id="L95" class="LineNr"> 95 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> buffered-stdin-in <span class="Special"><-</span> <a href='075channel.mu.html#L312'>clear</a> buffered-stdin-in <span class="Comment"># cleanup after error. todo: test this?</span> <span id="L96" class="LineNr"> 96 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">loop-if</span> error <span id="L97" class="LineNr"> 97 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> <span id="L98" class="LineNr"> 98 </span> <span class="Conceal">¦</span> <a href='chessboard.mu.html#L67'>board</a> <span class="Special"><-</span> <a href='chessboard.mu.html#L537'>make-move</a> <a href='chessboard.mu.html#L67'>board</a>, m @@ -442,7 +442,7 @@ if ('onhashchange' in window) { <span id="L378" class="LineNr">378 </span> <span class="Conceal">¦</span> assert waiting?, <span class="Constant">[ </span> <span id="L379" class="LineNr">379 </span><span class="Constant">F read-move-blocking: routine failed to pause after coming up (before any keys were pressed)]</span> <span id="L380" class="LineNr">380 </span> <span class="Conceal">¦</span> <span class="Comment"># press 'a'</span> -<span id="L381" class="LineNr">381 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">97/a</span> +<span id="L381" class="LineNr">381 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">97/a</span> <span id="L382" class="LineNr">382 </span> <span class="Conceal">¦</span> restart read-move-routine <span id="L383" class="LineNr">383 </span> <span class="Conceal">¦</span> <span class="Comment"># 'read-move' still waiting for input</span> <span id="L384" class="LineNr">384 </span> <span class="Conceal">¦</span> wait-for-routine-to-block read-move-routine @@ -451,7 +451,7 @@ if ('onhashchange' in window) { <span id="L387" class="LineNr">387 </span> <span class="Conceal">¦</span> assert waiting?, <span class="Constant">[ </span> <span id="L388" class="LineNr">388 </span><span class="Constant">F read-move-blocking: routine failed to pause after rank 'a']</span> <span id="L389" class="LineNr">389 </span> <span class="Conceal">¦</span> <span class="Comment"># press '2'</span> -<span id="L390" class="LineNr">390 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">50/'2'</span> +<span id="L390" class="LineNr">390 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">50/'2'</span> <span id="L391" class="LineNr">391 </span> <span class="Conceal">¦</span> restart read-move-routine <span id="L392" class="LineNr">392 </span> <span class="Conceal">¦</span> <span class="Comment"># 'read-move' still waiting for input</span> <span id="L393" class="LineNr">393 </span> <span class="Conceal">¦</span> wait-for-routine-to-block read-move-routine @@ -460,7 +460,7 @@ if ('onhashchange' in window) { <span id="L396" class="LineNr">396 </span> <span class="Conceal">¦</span> assert waiting?, <span class="Constant">[ </span> <span id="L397" class="LineNr">397 </span><span class="Constant">F read-move-blocking: routine failed to pause after file 'a2']</span> <span id="L398" class="LineNr">398 </span> <span class="Conceal">¦</span> <span class="Comment"># press '-'</span> -<span id="L399" class="LineNr">399 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">45/'-'</span> +<span id="L399" class="LineNr">399 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">45/'-'</span> <span id="L400" class="LineNr">400 </span> <span class="Conceal">¦</span> restart read-move-routine <span id="L401" class="LineNr">401 </span> <span class="Conceal">¦</span> <span class="Comment"># 'read-move' still waiting for input</span> <span id="L402" class="LineNr">402 </span> <span class="Conceal">¦</span> wait-for-routine-to-block read-move-routine @@ -469,7 +469,7 @@ if ('onhashchange' in window) { <span id="L405" class="LineNr">405 </span> <span class="Conceal">¦</span> assert waiting?, <span class="Constant">[ </span> <span id="L406" class="LineNr">406 </span><span class="Constant">F read-move-blocking: routine failed to pause after hyphen 'a2-']</span> <span id="L407" class="LineNr">407 </span> <span class="Conceal">¦</span> <span class="Comment"># press 'a'</span> -<span id="L408" class="LineNr">408 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">97/a</span> +<span id="L408" class="LineNr">408 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">97/a</span> <span id="L409" class="LineNr">409 </span> <span class="Conceal">¦</span> restart read-move-routine <span id="L410" class="LineNr">410 </span> <span class="Conceal">¦</span> <span class="Comment"># 'read-move' still waiting for input</span> <span id="L411" class="LineNr">411 </span> <span class="Conceal">¦</span> wait-for-routine-to-block read-move-routine @@ -478,7 +478,7 @@ if ('onhashchange' in window) { <span id="L414" class="LineNr">414 </span> <span class="Conceal">¦</span> assert waiting?, <span class="Constant">[ </span> <span id="L415" class="LineNr">415 </span><span class="Constant">F read-move-blocking: routine failed to pause after rank 'a2-a']</span> <span id="L416" class="LineNr">416 </span> <span class="Conceal">¦</span> <span class="Comment"># press '4'</span> -<span id="L417" class="LineNr">417 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">52/'4'</span> +<span id="L417" class="LineNr">417 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">52/'4'</span> <span id="L418" class="LineNr">418 </span> <span class="Conceal">¦</span> restart read-move-routine <span id="L419" class="LineNr">419 </span> <span class="Conceal">¦</span> <span class="Comment"># 'read-move' still waiting for input</span> <span id="L420" class="LineNr">420 </span> <span class="Conceal">¦</span> wait-for-routine-to-block read-move-routine @@ -487,7 +487,7 @@ if ('onhashchange' in window) { <span id="L423" class="LineNr">423 </span> <span class="Conceal">¦</span> assert waiting?, <span class="Constant">[ </span> <span id="L424" class="LineNr">424 </span><span class="Constant">F read-move-blocking: routine failed to pause after file 'a2-a4']</span> <span id="L425" class="LineNr">425 </span> <span class="Conceal">¦</span> <span class="Comment"># press 'newline'</span> -<span id="L426" class="LineNr">426 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> <a href='075channel.mu.html#L47'>sink</a>,<span class="Constant"> 10</span> <span class="Comment"># newline</span> +<span id="L426" class="LineNr">426 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>,<span class="Constant"> 10</span> <span class="Comment"># newline</span> <span id="L427" class="LineNr">427 </span> <span class="Conceal">¦</span> restart read-move-routine <span id="L428" class="LineNr">428 </span> <span class="Conceal">¦</span> <span class="Comment"># 'read-move' now completes</span> <span id="L429" class="LineNr">429 </span> <span class="Conceal">¦</span> wait-for-routine-to-block read-move-routine @@ -515,7 +515,7 @@ if ('onhashchange' in window) { <span id="L451" class="LineNr">451 </span> <span class="Conceal">¦</span> assert waiting?, <span class="Constant">[ </span> <span id="L452" class="LineNr">452 </span><span class="Constant">F read-move-quit: routine failed to pause after coming up (before any keys were pressed)]</span> <span id="L453" class="LineNr">453 </span> <span class="Conceal">¦</span> <span class="Comment"># press 'q'</span> -<span id="L454" class="LineNr">454 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">113/q</span> +<span id="L454" class="LineNr">454 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">113/q</span> <span id="L455" class="LineNr">455 </span> <span class="Conceal">¦</span> restart read-move-routine <span id="L456" class="LineNr">456 </span> <span class="Conceal">¦</span> <span class="Comment"># 'read-move' completes</span> <span id="L457" class="LineNr">457 </span> <span class="Conceal">¦</span> wait-for-routine-to-block read-move-routine @@ -542,7 +542,7 @@ if ('onhashchange' in window) { <span id="L478" class="LineNr">478 </span> <span class="Conceal">¦</span> waiting?:bool <span class="Special"><-</span> not-equal read-move-state, <span class="Constant">2/discontinued</span> <span id="L479" class="LineNr">479 </span> <span class="Conceal">¦</span> assert waiting?, <span class="Constant">[ </span> <span id="L480" class="LineNr">480 </span><span class="Constant">F read-move-illegal-file: routine failed to pause after coming up (before any keys were pressed)]</span> -<span id="L481" class="LineNr">481 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">50/'2'</span> +<span id="L481" class="LineNr">481 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">50/'2'</span> <span id="L482" class="LineNr">482 </span> <span class="Conceal">¦</span> restart read-move-routine <span id="L483" class="LineNr">483 </span> <span class="Conceal">¦</span> wait-for-routine-to-block read-move-routine <span id="L484" class="LineNr">484 </span> ] @@ -564,8 +564,8 @@ if ('onhashchange' in window) { <span id="L500" class="LineNr">500 </span> <span class="Conceal">¦</span> waiting?:bool <span class="Special"><-</span> not-equal read-move-state, <span class="Constant">2/discontinued</span> <span id="L501" class="LineNr">501 </span> <span class="Conceal">¦</span> assert waiting?, <span class="Constant">[ </span> <span id="L502" class="LineNr">502 </span><span class="Constant">F read-move-illegal-rank: routine failed to pause after coming up (before any keys were pressed)]</span> -<span id="L503" class="LineNr">503 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">97/a</span> -<span id="L504" class="LineNr">504 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">97/a</span> +<span id="L503" class="LineNr">503 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">97/a</span> +<span id="L504" class="LineNr">504 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">97/a</span> <span id="L505" class="LineNr">505 </span> <span class="Conceal">¦</span> restart read-move-routine <span id="L506" class="LineNr">506 </span> <span class="Conceal">¦</span> wait-for-routine-to-block read-move-routine <span id="L507" class="LineNr">507 </span> ] @@ -587,8 +587,8 @@ if ('onhashchange' in window) { <span id="L523" class="LineNr">523 </span> <span class="Conceal">¦</span> waiting?:bool <span class="Special"><-</span> not-equal read-move-state, <span class="Constant">2/discontinued</span> <span id="L524" class="LineNr">524 </span> <span class="Conceal">¦</span> assert waiting?, <span class="Constant">[ </span> <span id="L525" class="LineNr">525 </span><span class="Constant">F read-move-empty: routine failed to pause after coming up (before any keys were pressed)]</span> -<span id="L526" class="LineNr">526 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">10/newline</span> -<span id="L527" class="LineNr">527 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">97/a</span> +<span id="L526" class="LineNr">526 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">10/newline</span> +<span id="L527" class="LineNr">527 </span> <span class="Conceal">¦</span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">97/a</span> <span id="L528" class="LineNr">528 </span> <span class="Conceal">¦</span> restart read-move-routine <span id="L529" class="LineNr">529 </span> <span class="Conceal">¦</span> wait-for-routine-to-block read-move-routine <span id="L530" class="LineNr">530 </span> ] diff --git a/html/filesystem.mu.html b/html/filesystem.mu.html index 40703554..13db4aef 100644 --- a/html/filesystem.mu.html +++ b/html/filesystem.mu.html @@ -70,7 +70,7 @@ if ('onhashchange' in window) { <span id="L10" class="LineNr">10 </span> <span class="Delimiter">{</span> <span id="L11" class="LineNr">11 </span> <span class="Conceal">¦</span> c:char, done?:bool, source-file <span class="Special"><-</span> read source-file <span id="L12" class="LineNr">12 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> done? -<span id="L13" class="LineNr">13 </span> <span class="Conceal">¦</span> sink-file <span class="Special"><-</span> <a href='075channel.mu.html#L66'>write</a> sink-file, c +<span id="L13" class="LineNr">13 </span> <span class="Conceal">¦</span> sink-file <span class="Special"><-</span> <a href='075channel.mu.html#L67'>write</a> sink-file, c <span id="L14" class="LineNr">14 </span> <span class="Conceal">¦</span> <span class="muControl">loop</span> <span id="L15" class="LineNr">15 </span> <span class="Delimiter">}</span> <span id="L16" class="LineNr">16 </span> close sink-file diff --git a/html/http-server.mu.html b/html/http-server.mu.html index 21ee77c7..c8aa3c67 100644 --- a/html/http-server.mu.html +++ b/html/http-server.mu.html @@ -73,7 +73,7 @@ if ('onhashchange' in window) { <span id="L15" class="LineNr">15 </span> session:num <span class="Special"><-</span> $accept socket <span id="L16" class="LineNr">16 </span> contents:&:<a href='075channel.mu.html#L43'>source</a>:char, <a href='075channel.mu.html#L47'>sink</a>:&:<a href='075channel.mu.html#L47'>sink</a>:char <span class="Special"><-</span> <a href='075channel.mu.html#L51'>new-channel</a><span class="Constant"> 30</span> <span id="L17" class="LineNr">17 </span> <a href='075channel.mu.html#L47'>sink</a> <span class="Special"><-</span> start-running <a href='092socket.mu.html#L104'>receive-from-socket</a> session, <a href='075channel.mu.html#L47'>sink</a> -<span id="L18" class="LineNr">18 </span> query:text <span class="Special"><-</span> <a href='075channel.mu.html#L487'>drain</a> contents +<span id="L18" class="LineNr">18 </span> query:text <span class="Special"><-</span> <a href='075channel.mu.html#L507'>drain</a> contents <span id="L19" class="LineNr">19 </span> $print <span class="Constant">[Done reading from socket.]</span>, <span class="Constant">10/newline</span> <span id="L20" class="LineNr">20 </span> <a href='092socket.mu.html#L132'>write-to-socket</a> session, <span class="Constant">[HTTP/1.0 200 OK</span> <span id="L21" class="LineNr">21 </span><span class="Constant">Content-type: text/plain</span> diff --git a/html/real-files.mu.html b/html/real-files.mu.html index 6b1d9130..c72cb608 100644 --- a/html/real-files.mu.html +++ b/html/real-files.mu.html @@ -69,7 +69,7 @@ if ('onhashchange' in window) { <span id="L12" class="LineNr">12 </span> f <span class="Special"><-</span> $close-file f <span id="L13" class="LineNr">13 </span> $print <span class="Constant">[file after closing: ]</span>, f, <span class="Constant">10/newline</span> <span id="L14" class="LineNr">14 </span> f <span class="Special"><-</span> $open-file-for-writing <span class="Constant">[/tmp/mu-y]</span> -<span id="L15" class="LineNr">15 </span> $print <span class="Constant">[file to <a href='075channel.mu.html#L66'>write</a> to: ]</span>, f, <span class="Constant">10/newline</span> +<span id="L15" class="LineNr">15 </span> $print <span class="Constant">[file to <a href='075channel.mu.html#L67'>write</a> to: ]</span>, f, <span class="Constant">10/newline</span> <span id="L16" class="LineNr">16 </span> $write-to-file f, c <span id="L17" class="LineNr">17 </span> f <span class="Special"><-</span> $close-file f <span id="L18" class="LineNr">18 </span>] |