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diff --git a/html/089scenario_filesystem.cc.html b/html/089scenario_filesystem.cc.html new file mode 100644 index 00000000..6dc1faa3 --- /dev/null +++ b/html/089scenario_filesystem.cc.html @@ -0,0 +1,276 @@ +<!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 - 089scenario_filesystem.cc</title> +<meta name="Generator" content="Vim/7.4"> +<meta name="plugin-version" content="vim7.4_v2"> +<meta name="syntax" content="cpp"> +<meta name="settings" content="use_css,pre_wrap,no_foldcolumn,expand_tabs,prevent_copy="> +<meta name="colorscheme" content="minimal"> +<style type="text/css"> +<!-- +pre { white-space: pre-wrap; font-family: monospace; color: #eeeeee; background-color: #080808; } +body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color: #080808; } +* { font-size: 12pt; font-size: 1em; } +.Constant { color: #00a0a0; } +.cSpecial { color: #008000; } +.Comment { color: #9090ff; } +.Delimiter { color: #800080; } +.Special { color: #c00000; } +.Identifier { color: #fcb165; } +.Normal { color: #eeeeee; background-color: #080808; padding-bottom: 1px; } +--> +</style> + +<script type='text/javascript'> +<!-- + +--> +</script> +</head> +<body> +<pre id='vimCodeElement'> +<span class="Comment">//: Clean syntax to manipulate and check the file system in scenarios.</span> +<span class="Comment">//: Instructions 'assume-filesystem' and 'filesystem-should-contain' implicitly create</span> +<span class="Comment">//: a variable called 'filesystem' that is accessible to later instructions in</span> +<span class="Comment">//: the scenario. 'filesystem-should-contain' can check unicode characters in</span> +<span class="Comment">//: the fake filesystem</span> + +<span class="Delimiter">:(scenarios run_mu_scenario)</span> +<span class="Delimiter">:(scenario simple_filesystem)</span> +scenario assume-filesystem [ + local-scope + assume-filesystem [ + <span class="Comment"># file 'a' containing two lines of data</span> + [a]<span class="Special"> <- </span>[ + |a bc| + |de f| + ] + <span class="Comment"># directory 'b' containing two files, 'c' and 'd'</span> + [b/c]<span class="Special"> <- </span>[] + [b/d]<span class="Special"> <- </span>[ + |xyz| + ] + ] + <span class="Normal">data</span>:address:array:file-mapping<span class="Special"> <- </span>get *filesystem:address:filesystem<span class="Delimiter">,</span> data:offset + <span class="Normal">file1</span>:file-mapping<span class="Special"> <- </span>index *data<span class="Delimiter">,</span> <span class="Constant">0</span> + file1-name:address:array:character<span class="Special"> <- </span>get file1<span class="Delimiter">,</span> name:offset + <span class="Constant">10</span>:array:character/<span class="Special">raw <- </span>copy *file1-name + file1-contents:address:array:character<span class="Special"> <- </span>get file1<span class="Delimiter">,</span> contents:offset + <span class="Constant">100</span>:array:character/<span class="Special">raw <- </span>copy *file1-contents + <span class="Normal">file2</span>:file-mapping<span class="Special"> <- </span>index *data<span class="Delimiter">,</span> <span class="Constant">1</span> + file2-name:address:array:character<span class="Special"> <- </span>get file2<span class="Delimiter">,</span> name:offset + <span class="Constant">30</span>:array:character/<span class="Special">raw <- </span>copy *file2-name + file2-contents:address:array:character<span class="Special"> <- </span>get file2<span class="Delimiter">,</span> contents:offset + <span class="Constant">40</span>:array:character/<span class="Special">raw <- </span>copy *file2-contents + <span class="Normal">file3</span>:file-mapping<span class="Special"> <- </span>index *data<span class="Delimiter">,</span> <span class="Constant">2</span> + file3-name:address:array:character<span class="Special"> <- </span>get file3<span class="Delimiter">,</span> name:offset + <span class="Constant">50</span>:array:character/<span class="Special">raw <- </span>copy *file3-name + file3-contents:address:array:character<span class="Special"> <- </span>get file3<span class="Delimiter">,</span> contents:offset + <span class="Constant">60</span>:array:character/<span class="Special">raw <- </span>copy *file3-contents + memory-should-contain [ + <span class="Constant">10</span>:array:character<span class="Special"> <- </span>[a] + <span class="Constant">100</span>:array:character<span class="Special"> <- </span>[a bc +de f +] + <span class="Constant">30</span>:array:character<span class="Special"> <- </span>[b/c] + <span class="Constant">40</span>:array:character<span class="Special"> <- </span>[] + <span class="Constant">50</span>:array:character<span class="Special"> <- </span>[b/d] + <span class="Constant">60</span>:array:character<span class="Special"> <- </span>[xyz +] + ] +] + +<span class="Delimiter">:(scenario escaping_file_contents)</span> +scenario assume-filesystem [ + local-scope + assume-filesystem [ + <span class="Comment"># file 'a' containing a '|'</span> + <span class="Comment"># need to escape '\' once for each block</span> + [a]<span class="Special"> <- </span>[ + |x\\\\|yz| + ] + ] + <span class="Normal">data</span>:address:array:file-mapping<span class="Special"> <- </span>get *filesystem:address:filesystem<span class="Delimiter">,</span> data:offset + <span class="Normal">file1</span>:file-mapping<span class="Special"> <- </span>index *data<span class="Delimiter">,</span> <span class="Constant">0</span> + file1-name:address:array:character<span class="Special"> <- </span>get file1<span class="Delimiter">,</span> name:offset + <span class="Constant">10</span>:array:character/<span class="Special">raw <- </span>copy *file1-name + file1-contents:address:array:character<span class="Special"> <- </span>get file1<span class="Delimiter">,</span> contents:offset + <span class="Constant">20</span>:array:character/<span class="Special">raw <- </span>copy *file1-contents + memory-should-contain [ + <span class="Constant">10</span>:array:character<span class="Special"> <- </span>[a] + <span class="Constant">20</span>:array:character<span class="Special"> <- </span>[x|yz +] + ] +] + +<span class="Delimiter">:(before "End Globals")</span> +<span class="Normal">const</span> <span class="Normal">int</span> FILESYSTEM = Next_predefined_global_for_scenarios++<span class="Delimiter">;</span> +<span class="Comment">//: give 'filesystem' a fixed location in scenarios</span> +<span class="Delimiter">:(before "End Special Scenario Variable Names(r)")</span> +Name[r][<span class="Constant">"filesystem"</span>] = FILESYSTEM<span class="Delimiter">;</span> +<span class="Comment">//: make 'filesystem' always a raw location in scenarios</span> +<span class="Delimiter">:(before "End is_special_name Cases")</span> +<span class="Normal">if</span> <span class="Delimiter">(</span>s == <span class="Constant">"filesystem"</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span> + +<span class="Delimiter">:(before "End initialize_transform_rewrite_literal_string_to_text()")</span> +recipes_taking_literal_strings<span class="Delimiter">.</span>insert<span class="Delimiter">(</span><span class="Constant">"assume-filesystem"</span><span class="Delimiter">);</span> + +<span class="Comment">//: screen-should-contain is a regular instruction</span> +<span class="Delimiter">:(before "End Primitive Recipe Declarations")</span> +ASSUME_FILESYSTEM<span class="Delimiter">,</span> +<span class="Delimiter">:(before "End Primitive Recipe Numbers")</span> +put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"assume-filesystem"</span><span class="Delimiter">,</span> ASSUME_FILESYSTEM<span class="Delimiter">);</span> +<span class="Delimiter">:(before "End Primitive Recipe Checks")</span> +<span class="Normal">case</span> ASSUME_FILESYSTEM: <span class="Delimiter">{</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> +<span class="Delimiter">}</span> +<span class="Delimiter">:(before "End Primitive Recipe Implementations")</span> +<span class="Normal">case</span> ASSUME_FILESYSTEM: <span class="Delimiter">{</span> + assert<span class="Delimiter">(</span>scalar<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)));</span> + assume_filesystem<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>name<span class="Delimiter">,</span> current_recipe_name<span class="Delimiter">());</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> +<span class="Delimiter">}</span> + +<span class="Delimiter">:(code)</span> +<span class="Normal">void</span> assume_filesystem<span class="Delimiter">(</span><span class="Normal">const</span> string& data<span class="Delimiter">,</span> <span class="Normal">const</span> string& caller<span class="Delimiter">)</span> <span class="Delimiter">{</span> + map<string<span class="Delimiter">,</span> string> contents<span class="Delimiter">;</span> + parse_filesystem<span class="Delimiter">(</span>data<span class="Delimiter">,</span> contents<span class="Delimiter">,</span> caller<span class="Delimiter">);</span> + construct_filesystem_object<span class="Delimiter">(</span>contents<span class="Delimiter">);</span> +<span class="Delimiter">}</span> + +<span class="Normal">void</span> parse_filesystem<span class="Delimiter">(</span><span class="Normal">const</span> string& data<span class="Delimiter">,</span> map<string<span class="Delimiter">,</span> string>& out<span class="Delimiter">,</span> <span class="Normal">const</span> string& caller<span class="Delimiter">)</span> <span class="Delimiter">{</span> + istringstream in<span class="Delimiter">(</span>data<span class="Delimiter">);</span> + in >> std::noskipws<span class="Delimiter">;</span> + <span class="Normal">while</span> <span class="Delimiter">(</span><span class="Constant">true</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>!has_data<span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span> + skip_whitespace_and_comments<span class="Delimiter">(</span>in<span class="Delimiter">);</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>!has_data<span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span> + string filename = next_filesystem_word<span class="Delimiter">(</span>in<span class="Delimiter">);</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>*filename<span class="Delimiter">.</span>begin<span class="Delimiter">()</span> != <span class="Constant">'['</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> + raise << caller << <span class="Constant">": assume-filesystem: filename '"</span> << filename << <span class="Constant">"' must begin with a '['</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> + <span class="Delimiter">}</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>*filename<span class="Delimiter">.</span>rbegin<span class="Delimiter">()</span> != <span class="Constant">']'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> + raise << caller << <span class="Constant">": assume-filesystem: filename '"</span> << filename << <span class="Constant">"' must end with a ']'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> + <span class="Delimiter">}</span> + filename<span class="Delimiter">.</span>erase<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span> + filename<span class="Delimiter">.</span>erase<span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>filename<span class="Delimiter">)</span>-<span class="Constant">1</span><span class="Delimiter">);</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>!has_data<span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Delimiter">{</span> + raise << caller << <span class="Constant">": assume-filesystem: no data for filename '"</span> << filename << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> + <span class="Delimiter">}</span> + string arrow = next_filesystem_word<span class="Delimiter">(</span>in<span class="Delimiter">);</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>arrow != <span class="Constant">"<-"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> + raise << caller << <span class="Constant">": assume-filesystem: expected '<-' after filename '"</span> << filename << <span class="Constant">"' but got '"</span> << arrow << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> + <span class="Delimiter">}</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>!has_data<span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Delimiter">{</span> + raise << caller << <span class="Constant">": assume-filesystem: no data for filename '"</span> << filename << <span class="Constant">"' after '<-'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> + <span class="Delimiter">}</span> + string contents = next_filesystem_word<span class="Delimiter">(</span>in<span class="Delimiter">);</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>*contents<span class="Delimiter">.</span>begin<span class="Delimiter">()</span> != <span class="Constant">'['</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> + raise << caller << <span class="Constant">": assume-filesystem: file contents '"</span> << contents << <span class="Constant">"' for filename '"</span> << filename << <span class="Constant">"' must begin with a '['</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> + <span class="Delimiter">}</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>*contents<span class="Delimiter">.</span>rbegin<span class="Delimiter">()</span> != <span class="Constant">']'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> + raise << caller << <span class="Constant">": assume-filesystem: file contents '"</span> << contents << <span class="Constant">"' for filename '"</span> << filename << <span class="Constant">"' must end with a ']'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> + <span class="Delimiter">}</span> + contents<span class="Delimiter">.</span>erase<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span> + contents<span class="Delimiter">.</span>erase<span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>contents<span class="Delimiter">)</span>-<span class="Constant">1</span><span class="Delimiter">);</span> + put<span class="Delimiter">(</span>out<span class="Delimiter">,</span> filename<span class="Delimiter">,</span> munge_filesystem_contents<span class="Delimiter">(</span>contents<span class="Delimiter">,</span> filename<span class="Delimiter">,</span> caller<span class="Delimiter">));</span> + <span class="Delimiter">}</span> +<span class="Delimiter">}</span> + +string munge_filesystem_contents<span class="Delimiter">(</span><span class="Normal">const</span> string& data<span class="Delimiter">,</span> <span class="Normal">const</span> string& filename<span class="Delimiter">,</span> <span class="Normal">const</span> string& caller<span class="Delimiter">)</span> <span class="Delimiter">{</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>data<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span> <span class="Constant">""</span><span class="Delimiter">;</span> + istringstream in<span class="Delimiter">(</span>data<span class="Delimiter">);</span> + in >> std::noskipws<span class="Delimiter">;</span> + skip_whitespace_and_comments<span class="Delimiter">(</span>in<span class="Delimiter">);</span> + ostringstream out<span class="Delimiter">;</span> + <span class="Normal">while</span> <span class="Delimiter">(</span><span class="Constant">true</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>!has_data<span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span> + skip_whitespace<span class="Delimiter">(</span>in<span class="Delimiter">);</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>!has_data<span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> != <span class="Constant">'|'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> + raise << caller << <span class="Constant">": assume-filesystem: file contents for filename '"</span> << filename << <span class="Constant">"' must be delimited in '|'s</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> + <span class="Delimiter">}</span> + in<span class="Delimiter">.</span>get<span class="Delimiter">();</span> <span class="Comment">// skip leading '|'</span> + string line<span class="Delimiter">;</span> + getline<span class="Delimiter">(</span>in<span class="Delimiter">,</span> line<span class="Delimiter">);</span> + <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>line<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>line<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span> == <span class="Constant">'|'</span><span class="Delimiter">)</span> <span class="Identifier">break</span><span class="Delimiter">;</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>line<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span> == <span class="cSpecial">'\\'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> + ++i<span class="Delimiter">;</span> <span class="Comment">// skip</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>i == SIZE<span class="Delimiter">(</span>line<span class="Delimiter">))</span> <span class="Delimiter">{</span> + raise << caller << <span class="Constant">": assume-filesystem: file contents can't end a line with '</span><span class="cSpecial">\\</span><span class="Constant">'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> + <span class="Delimiter">}</span> + <span class="Delimiter">}</span> + out << line<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> + <span class="Delimiter">}</span> + <span class="Comment">// todo: some way to represent a file without a final newline</span> + out << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> + <span class="Delimiter">}</span> + <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span> +<span class="Delimiter">}</span> + +<span class="Normal">void</span> construct_filesystem_object<span class="Delimiter">(</span><span class="Normal">const</span> map<string<span class="Delimiter">,</span> string>& contents<span class="Delimiter">)</span> <span class="Delimiter">{</span> + <span class="Normal">int</span> filesystem_data_address = allocate<span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>contents<span class="Delimiter">)</span>*<span class="Constant">2</span> + <span class="Comment">/*</span><span class="Comment">array length</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">);</span> + <span class="Normal">int</span> curr = filesystem_data_address + <span class="Comment">/*</span><span class="Comment">skip refcount</span><span class="Comment">*/</span><span class="Constant">1</span> + <span class="Comment">/*</span><span class="Comment">skip array length</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span> + <span class="Normal">for</span> <span class="Delimiter">(</span>map<string<span class="Delimiter">,</span> string>::const_iterator p = contents<span class="Delimiter">.</span>begin<span class="Delimiter">();</span> p != contents<span class="Delimiter">.</span>end<span class="Delimiter">();</span> ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span> + put<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr<span class="Delimiter">,</span> new_mu_string<span class="Delimiter">(</span>p<span class="Delimiter">-></span>first<span class="Delimiter">));</span> + curr++<span class="Delimiter">;</span> + put<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> curr<span class="Delimiter">,</span> new_mu_string<span class="Delimiter">(</span>p<span class="Delimiter">-></span>second<span class="Delimiter">));</span> + curr++<span class="Delimiter">;</span> + <span class="Delimiter">}</span> + put<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> filesystem_data_address+<span class="Comment">/*</span><span class="Comment">skip refcount</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">,</span> SIZE<span class="Delimiter">(</span>contents<span class="Delimiter">));</span> <span class="Comment">// size of array</span> + put<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> filesystem_data_address<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span> <span class="Comment">// initialize refcount</span> + <span class="Comment">// wrap the filesystem data in a filesystem object</span> + <span class="Normal">int</span> filesystem_address = allocate<span class="Delimiter">(</span>size_of_filesystem<span class="Delimiter">());</span> + put<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> filesystem_address+<span class="Comment">/*</span><span class="Comment">skip refcount</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">,</span> filesystem_data_address<span class="Delimiter">);</span> + put<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> filesystem_address<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span> <span class="Comment">// initialize refcount</span> + <span class="Comment">// save in product</span> + put<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> FILESYSTEM<span class="Delimiter">,</span> filesystem_address<span class="Delimiter">);</span> +<span class="Delimiter">}</span> + +<span class="Normal">int</span> size_of_filesystem<span class="Delimiter">()</span> <span class="Delimiter">{</span> + <span class="Comment">// memoize result if already computed</span> + <span class="Normal">static</span> <span class="Normal">int</span> result = <span class="Constant">0</span><span class="Delimiter">;</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>result<span class="Delimiter">)</span> <span class="Identifier">return</span> result<span class="Delimiter">;</span> + assert<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">"filesystem"</span><span class="Delimiter">));</span> + type_tree* type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span><span class="Constant">"filesystem"</span><span class="Delimiter">);</span> + result = size_of<span class="Delimiter">(</span>type<span class="Delimiter">)</span>+<span class="Comment">/*</span><span class="Comment">refcount</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span> + <span class="Normal">delete</span> type<span class="Delimiter">;</span> + <span class="Identifier">return</span> result<span class="Delimiter">;</span> +<span class="Delimiter">}</span> + +string next_filesystem_word<span class="Delimiter">(</span>istream& in<span class="Delimiter">)</span> <span class="Delimiter">{</span> + skip_whitespace_and_comments<span class="Delimiter">(</span>in<span class="Delimiter">);</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> == <span class="Constant">'['</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> + string result = slurp_quoted<span class="Delimiter">(</span>in<span class="Delimiter">);</span> + skip_whitespace_and_comments_but_not_newline<span class="Delimiter">(</span>in<span class="Delimiter">);</span> + <span class="Identifier">return</span> result<span class="Delimiter">;</span> + <span class="Delimiter">}</span> + ostringstream out<span class="Delimiter">;</span> + slurp_word<span class="Delimiter">(</span>in<span class="Delimiter">,</span> out<span class="Delimiter">);</span> + skip_whitespace_and_comments<span class="Delimiter">(</span>in<span class="Delimiter">);</span> + <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span> +<span class="Delimiter">}</span> + +<span class="Normal">void</span> skip_whitespace<span class="Delimiter">(</span>istream& in<span class="Delimiter">)</span> <span class="Delimiter">{</span> + <span class="Normal">while</span> <span class="Delimiter">(</span><span class="Constant">true</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>!has_data<span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>isspace<span class="Delimiter">(</span>in<span class="Delimiter">.</span>peek<span class="Delimiter">()))</span> in<span class="Delimiter">.</span>get<span class="Delimiter">();</span> + <span class="Normal">else</span> <span class="Identifier">break</span><span class="Delimiter">;</span> + <span class="Delimiter">}</span> +<span class="Delimiter">}</span> +</pre> +</body> +</html> +<!-- vim: set foldmethod=manual : --> |