diff options
-rw-r--r-- | 032array.cc | 28 | ||||
-rw-r--r-- | 033length.cc | 27 | ||||
-rw-r--r-- | html/032array.cc.html | 33 | ||||
-rw-r--r-- | index.html | 2 |
4 files changed, 60 insertions, 30 deletions
diff --git a/032array.cc b/032array.cc index deef886e..0d8efc5c 100644 --- a/032array.cc +++ b/032array.cc @@ -139,3 +139,31 @@ case INDEX_ADDRESS: { products.at(0).push_back(result); break; } + +//:: compute the length of an array + +:(scenario array_length) +recipe main [ + 1:number <- copy 3:literal # length + 2:number <- copy 14:literal + 3:number <- copy 15:literal + 4:number <- copy 16:literal + 5:number <- length 1:array:number +] ++mem: storing 3 in location 5 + +:(before "End Primitive Recipe Declarations") +LENGTH, +:(before "End Primitive Recipe Numbers") +Recipe_number["length"] = LENGTH; +:(before "End Primitive Recipe Implementations") +case LENGTH: { + reagent x = canonize(current_instruction().ingredients.at(0)); + if (x.types.at(0) != Type_number["array"]) { + raise << "tried to calculate length of non-array " << x.to_string() << '\n'; + break; + } + products.resize(1); + products.at(0).push_back(Memory[x.value]); + break; +} diff --git a/033length.cc b/033length.cc deleted file mode 100644 index 66665631..00000000 --- a/033length.cc +++ /dev/null @@ -1,27 +0,0 @@ -//: Recipe to compute the length of an array. - -:(scenario array_length) -recipe main [ - 1:number <- copy 3:literal # length - 2:number <- copy 14:literal - 3:number <- copy 15:literal - 4:number <- copy 16:literal - 5:number <- length 1:array:number -] -+mem: storing 3 in location 5 - -:(before "End Primitive Recipe Declarations") -LENGTH, -:(before "End Primitive Recipe Numbers") -Recipe_number["length"] = LENGTH; -:(before "End Primitive Recipe Implementations") -case LENGTH: { - reagent x = canonize(current_instruction().ingredients.at(0)); - if (x.types.at(0) != Type_number["array"]) { - raise << "tried to calculate length of non-array " << x.to_string() << '\n'; - break; - } - products.resize(1); - products.at(0).push_back(Memory[x.value]); - break; -} diff --git a/html/032array.cc.html b/html/032array.cc.html index 7bb0495f..cac483a1 100644 --- a/html/032array.cc.html +++ b/html/032array.cc.html @@ -10,9 +10,10 @@ <meta name="colorscheme" content="minimal"> <style type="text/css"> <!-- -pre { white-space: pre-wrap; font-family: monospace; color: #d0d0d0; background-color: #000000; } -body { font-family: monospace; color: #d0d0d0; background-color: #000000; } +pre { white-space: pre-wrap; font-family: monospace; color: #d0d0d0; background-color: #080808; } +body { font-family: monospace; color: #d0d0d0; background-color: #080808; } * { font-size: 1em; } +.cSpecial { color: #008000; } .CommentedCode { color: #6c6c6c; } .Constant { color: #008080; } .Comment { color: #8080ff; } @@ -173,6 +174,34 @@ case INDEX_ADDRESS: <span class="Delimiter">{</span> products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>result<span class="Delimiter">);</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> + +<span class="SalientComment">//:: compute the length of an array</span> + +<span class="Delimiter">:(scenario array_length)</span> +recipe main [ + <span class="Constant">1</span>:number<span class="Special"> <- </span>copy <span class="Constant">3</span>:literal <span class="Comment"># length</span> + <span class="Constant">2</span>:number<span class="Special"> <- </span>copy <span class="Constant">14</span>:literal + <span class="Constant">3</span>:number<span class="Special"> <- </span>copy <span class="Constant">15</span>:literal + <span class="Constant">4</span>:number<span class="Special"> <- </span>copy <span class="Constant">16</span>:literal + <span class="Constant">5</span>:number<span class="Special"> <- </span>length <span class="Constant">1</span>:array:number +] +<span class="traceContains">+mem: storing 3 in location 5</span> + +<span class="Delimiter">:(before "End Primitive Recipe Declarations")</span> +LENGTH<span class="Delimiter">,</span> +<span class="Delimiter">:(before "End Primitive Recipe Numbers")</span> +Recipe_number[<span class="Constant">"length"</span>] = LENGTH<span class="Delimiter">;</span> +<span class="Delimiter">:(before "End Primitive Recipe Implementations")</span> +case LENGTH: <span class="Delimiter">{</span> + reagent x = canonize<span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span> + if <span class="Delimiter">(</span>x<span class="Delimiter">.</span>types<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> != Type_number[<span class="Constant">"array"</span>]<span class="Delimiter">)</span> <span class="Delimiter">{</span> + raise << <span class="Constant">"tried to calculate length of non-array "</span> << x<span class="Delimiter">.</span>to_string<span class="Delimiter">()</span> << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> + <span class="Delimiter">}</span> + products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span> + products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>Memory[x<span class="Delimiter">.</span>value]<span class="Delimiter">);</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> +<span class="Delimiter">}</span> </pre> </body> </html> diff --git a/index.html b/index.html index 977cfafd..0d00cc27 100644 --- a/index.html +++ b/index.html @@ -88,7 +88,7 @@ akin to records, structs or classes. <br/><a href='html/031address.cc.html'>031address.cc</a>: adding and removing layers of indirection to mu data. <br/><a href='html/032array.cc.html'>032array.cc</a>: all mu data structures -are <a href='html/033length.cc.html'>bounds-checked</a>. +are bounds-checked. <br/><a href='html/034exclusive_container.cc.html'>034exclusive_container.cc</a>: tagged unions or sum types. <br/><a href='html/035call.cc.html'>035call.cc</a>: calls to recipes look just like primitive operations. |