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diff --git a/html/018type_abbreviations.cc.html b/html/018type_abbreviations.cc.html new file mode 100644 index 00000000..5f2ff869 --- /dev/null +++ b/html/018type_abbreviations.cc.html @@ -0,0 +1,129 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> +<html> +<head> +<meta http-equiv="content-type" content="text/html; charset=UTF-8"> +<title>Mu - 018type_abbreviations.cc</title> +<meta name="Generator" content="Vim/7.4"> +<meta name="plugin-version" content="vim7.4_v2"> +<meta name="syntax" content="cpp"> +<meta name="settings" content="use_css,pre_wrap,no_foldcolumn,expand_tabs,prevent_copy="> +<meta name="colorscheme" content="minimal"> +<style type="text/css"> +<!-- +pre { white-space: pre-wrap; font-family: monospace; color: #eeeeee; background-color: #080808; } +body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color: #080808; } +* { font-size: 12pt; font-size: 1em; } +.Constant { color: #00a0a0; } +.Special { color: #c00000; } +.traceContains { color: #008000; } +.cSpecial { color: #008000; } +.Comment { color: #9090ff; } +.Delimiter { color: #800080; } +.SalientComment { color: #00ffff; } +.Identifier { color: #fcb165; } +.Normal { color: #eeeeee; background-color: #080808; padding-bottom: 1px; } +--> +</style> + +<script type='text/javascript'> +<!-- + +--> +</script> +</head> +<body> +<pre id='vimCodeElement'> +<span class="Comment">//: For convenience, make some common types shorter.</span> +<span class="Comment">//:</span> +<span class="Comment">//: a) Rewrite '&t' to 'address:t' and '@t' to 'array:type' (with the</span> +<span class="Comment">//: ability to chain any combination of the two). This is not extensible.</span> +<span class="Comment">//:</span> +<span class="Comment">//: b) Provide a facility to create new type names out of old ones.</span> + +<span class="SalientComment">//:: a) expanding '&' and '@'</span> + +<span class="Delimiter">:(scenarios load)</span> +<span class="Delimiter">:(scenario abbreviations_for_address_and_array)</span> +def main [ + f <span class="Constant">1</span>:&number <span class="Comment"># abbreviation for 'address:number'</span> + f <span class="Constant">2</span>:@number <span class="Comment"># abbreviation for 'array:number'</span> + f <span class="Constant">3</span>:&@number <span class="Comment"># combining '&' and '@'</span> + f <span class="Constant">4</span>:&&@&@number <span class="Comment"># ..any number of times</span> + f <span class="Constant">5</span>:array:&number:<span class="Constant">3</span> <span class="Comment"># abbreviations take precedence over ':'</span> + f <span class="Delimiter">{</span><span class="Constant">6</span>: <span class="Delimiter">(</span>array &number <span class="Constant">3</span><span class="Delimiter">)}</span> <span class="Comment"># support for dilated reagents and more complex parse trees</span> + f <span class="Constant">7</span>:@number:<span class="Constant">3</span> <span class="Comment"># *not* the same as array:number:3</span> +] +<span class="traceContains">+parse: ingredient: {1: ("address" "number")}</span> +<span class="traceContains">+parse: ingredient: {2: ("array" "number")}</span> +<span class="traceContains">+parse: ingredient: {3: ("address" "array" "number")}</span> +<span class="traceContains">+parse: ingredient: {4: ("address" "address" "array" "address" "array" "number")}</span> +<span class="traceContains">+parse: ingredient: {5: ("array" ("address" "number") "3")}</span> +<span class="traceContains">+parse: ingredient: {6: ("array" ("address" "number") "3")}</span> +<span class="Comment"># not what you want</span> +<span class="traceContains">+parse: ingredient: {7: (("array" "number") "3")}</span> + +<span class="Delimiter">:(scenario abbreviation_error)</span> +<span class="Special">% Hide_errors = true;</span> +def main [ + f <span class="Constant">1</span>:&&@& <span class="Comment"># abbreviations without payload</span> +] +<span class="traceContains">+error: invalid type abbreviation &&@&</span> + +<span class="Delimiter">:(before "End Parsing Reagent Type Property(type_names)")</span> +string_tree* new_type_names = replace_address_and_array_symbols<span class="Delimiter">(</span>type_names<span class="Delimiter">);</span> +<span class="Normal">delete</span> type_names<span class="Delimiter">;</span> +type_names = new_type_names<span class="Delimiter">;</span> +<span class="Delimiter">:(before "End Parsing Dilated Reagent Type Property(type_names)")</span> +string_tree* new_type_names = replace_address_and_array_symbols<span class="Delimiter">(</span>type_names<span class="Delimiter">);</span> +<span class="Normal">delete</span> type_names<span class="Delimiter">;</span> +type_names = new_type_names<span class="Delimiter">;</span> + +<span class="Delimiter">:(code)</span> +<span class="Comment">// simple version; lots of unnecessary allocations; always creates a new pointer</span> +string_tree* replace_address_and_array_symbols<span class="Delimiter">(</span>string_tree* orig<span class="Delimiter">)</span> <span class="Delimiter">{</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>orig == <span class="Constant">NULL</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">NULL</span><span class="Delimiter">;</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>orig<span class="Delimiter">-></span>atom<span class="Delimiter">)</span> + <span class="Identifier">return</span> replace_address_and_array_symbols<span class="Delimiter">(</span>orig<span class="Delimiter">-></span>value<span class="Delimiter">);</span> + <span class="Identifier">return</span> <span class="Normal">new</span> string_tree<span class="Delimiter">(</span>replace_address_and_array_symbols<span class="Delimiter">(</span>orig<span class="Delimiter">-></span>left<span class="Delimiter">),</span> + replace_address_and_array_symbols<span class="Delimiter">(</span>orig<span class="Delimiter">-></span>right<span class="Delimiter">));</span> +<span class="Delimiter">}</span> + +<span class="Comment">// todo: unicode</span> +string_tree* replace_address_and_array_symbols<span class="Delimiter">(</span><span class="Normal">const</span> string& type_name<span class="Delimiter">)</span> <span class="Delimiter">{</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>type_name<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span> <span class="Constant">NULL</span><span class="Delimiter">;</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>type_name<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> != <span class="Constant">'&'</span> && type_name<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> != <span class="Constant">'@'</span><span class="Delimiter">)</span> + <span class="Identifier">return</span> <span class="Normal">new</span> string_tree<span class="Delimiter">(</span>type_name<span class="Delimiter">);</span> + string_tree* result = <span class="Constant">NULL</span><span class="Delimiter">;</span> + string_tree* curr = <span class="Constant">NULL</span><span class="Delimiter">;</span> + <span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> + <span class="Normal">while</span> <span class="Delimiter">(</span>i < SIZE<span class="Delimiter">(</span>type_name<span class="Delimiter">))</span> <span class="Delimiter">{</span> + string_tree* new_node = <span class="Constant">NULL</span><span class="Delimiter">;</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>type_name<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span> == <span class="Constant">'&'</span><span class="Delimiter">)</span> + new_node = <span class="Normal">new</span> string_tree<span class="Delimiter">(</span><span class="Constant">"address"</span><span class="Delimiter">);</span> + <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>type_name<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span> == <span class="Constant">'@'</span><span class="Delimiter">)</span> + new_node = <span class="Normal">new</span> string_tree<span class="Delimiter">(</span><span class="Constant">"array"</span><span class="Delimiter">);</span> + <span class="Normal">else</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>result == <span class="Constant">NULL</span><span class="Delimiter">)</span> + result = curr = <span class="Normal">new</span> string_tree<span class="Delimiter">(</span>new_node<span class="Delimiter">,</span> <span class="Constant">NULL</span><span class="Delimiter">);</span> + <span class="Normal">else</span> <span class="Delimiter">{</span> + curr<span class="Delimiter">-></span>right = <span class="Normal">new</span> string_tree<span class="Delimiter">(</span>new_node<span class="Delimiter">,</span> <span class="Constant">NULL</span><span class="Delimiter">);</span> + curr = curr<span class="Delimiter">-></span>right<span class="Delimiter">;</span> + <span class="Delimiter">}</span> + ++i<span class="Delimiter">;</span> + <span class="Delimiter">}</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>i < SIZE<span class="Delimiter">(</span>type_name<span class="Delimiter">))</span> + curr<span class="Delimiter">-></span>right = <span class="Normal">new</span> string_tree<span class="Delimiter">(</span>type_name<span class="Delimiter">.</span>substr<span class="Delimiter">(</span>i<span class="Delimiter">));</span> + <span class="Normal">else</span> + raise << <span class="Constant">"invalid type abbreviation "</span> << type_name << <span class="Constant">"</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> + <span class="Identifier">return</span> result<span class="Delimiter">;</span> +<span class="Delimiter">}</span> + +<span class="SalientComment">//:: b) extensible type abbreviations</span> + +<span class="Delimiter">:(before "End Globals")</span> +map<string<span class="Delimiter">,</span> type_tree*> Type_abbreviations<span class="Delimiter">;</span> +</pre> +</body> +</html> +<!-- vim: set foldmethod=manual : --> |