diff options
Diffstat (limited to 'html/087file.cc.html')
| -rw-r--r-- | html/087file.cc.html | 178 |
1 files changed, 168 insertions, 10 deletions
diff --git a/html/087file.cc.html b/html/087file.cc.html index 71b7461f..7a0843f5 100644 --- a/html/087file.cc.html +++ b/html/087file.cc.html @@ -14,10 +14,12 @@ pre { white-space: pre-wrap; font-family: monospace; color: #eeeeee; background- body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color: #080808; } * { font-size: 12pt; font-size: 1em; } .Constant { color: #00a0a0; } +.Comment { color: #9090ff; } .Delimiter { color: #800080; } -.SalientComment { color: #00ffff; } +.cSpecial { color: #008000; } .Identifier { color: #fcb165; } .Normal { color: #eeeeee; background-color: #080808; padding-bottom: 1px; } +.PreProc { color: #800080; } --> </style> @@ -29,31 +31,187 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color </head> <body> <pre id='vimCodeElement'> -<span class="SalientComment">//:: Interacting with the file-system</span> +<span class="Comment">//: Interacting with the file system.</span> +<span class="Comment">//: '$open-file-for-reading' returns a FILE* as a number (ugh)</span> +<span class="Comment">//: '$read-from-file' accepts a number, interprets it as a FILE* (double ugh) and reads a character from it</span> +<span class="Comment">//: Similarly for writing files.</span> +<span class="Comment">//: These interfaces are ugly and tied to the current (Linux) host Mu happens</span> +<span class="Comment">//: to be implemented atop. Later layers will wrap them with better, more</span> +<span class="Comment">//: testable interfaces.</span> +<span class="Comment">//:</span> +<span class="Comment">//: Clearly we don't care about performance or any of that so far.</span> +<span class="Comment">//: todo: reading/writing binary files</span> <span class="Delimiter">:(before "End Primitive Recipe Declarations")</span> -OPEN_FILE_FOR_READING<span class="Delimiter">,</span> +_OPEN_FILE_FOR_READING<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">"open-file-for-reading"</span><span class="Delimiter">,</span> OPEN_FILE_FOR_READING<span class="Delimiter">);</span> +put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"$open-file-for-reading"</span><span class="Delimiter">,</span> _OPEN_FILE_FOR_READING<span class="Delimiter">);</span> <span class="Delimiter">:(before "End Primitive Recipe Checks")</span> -<span class="Normal">case</span> OPEN_FILE_FOR_READING: <span class="Delimiter">{</span> +<span class="Normal">case</span> _OPEN_FILE_FOR_READING: <span class="Delimiter">{</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> + raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'$open-file-for-reading' requires exactly one ingredient, but got '"</span> << inst<span class="Delimiter">.</span>original_string << <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 filename<span class="Delimiter">;</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span> + raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"first ingredient of '$open-file-for-reading' should be a string, but got '"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</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="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> OPEN_FILE_FOR_READING: <span class="Delimiter">{</span> +<span class="Normal">case</span> _OPEN_FILE_FOR_READING: <span class="Delimiter">{</span> + string filename = read_mu_string<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span> + assert<span class="Delimiter">(</span><span class="Normal">sizeof</span><span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span><span class="Delimiter">)</span> >= <span class="Normal">sizeof</span><span class="Delimiter">(</span><span class="Normal">FILE</span>*<span class="Delimiter">));</span> + <span class="Normal">FILE</span>* f = fopen<span class="Delimiter">(</span>filename<span class="Delimiter">.</span>c_str<span class="Delimiter">(),</span> <span class="Constant">"r"</span><span class="Delimiter">);</span> + <span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span> result = <span class="Normal">reinterpret_cast</span><<span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span>><span class="Delimiter">(</span>f<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><span class="Normal">static_cast</span><<span class="Normal">double</span>><span class="Delimiter">(</span>result<span class="Delimiter">));</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">:(before "End Primitive Recipe Declarations")</span> -OPEN_FILE_FOR_WRITING<span class="Delimiter">,</span> +_OPEN_FILE_FOR_WRITING<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">"open-file-for-reading"</span><span class="Delimiter">,</span> OPEN_FILE_FOR_WRITING<span class="Delimiter">);</span> +put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"$open-file-for-writing"</span><span class="Delimiter">,</span> _OPEN_FILE_FOR_WRITING<span class="Delimiter">);</span> <span class="Delimiter">:(before "End Primitive Recipe Checks")</span> -<span class="Normal">case</span> OPEN_FILE_FOR_WRITING: <span class="Delimiter">{</span> +<span class="Normal">case</span> _OPEN_FILE_FOR_WRITING: <span class="Delimiter">{</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> + raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'$open-file-for-writing' requires exactly one ingredient, but got '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> + <span class="Delimiter">}</span> + string filename<span class="Delimiter">;</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span> + raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"first ingredient of '$open-file-for-writing' should be a string, but got '"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</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="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> OPEN_FILE_FOR_WRITING: <span class="Delimiter">{</span> +<span class="Normal">case</span> _OPEN_FILE_FOR_WRITING: <span class="Delimiter">{</span> + string filename = read_mu_string<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span> + assert<span class="Delimiter">(</span><span class="Normal">sizeof</span><span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span><span class="Delimiter">)</span> >= <span class="Normal">sizeof</span><span class="Delimiter">(</span><span class="Normal">FILE</span>*<span class="Delimiter">));</span> + <span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span> result = <span class="Normal">reinterpret_cast</span><<span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span>><span class="Delimiter">(</span>fopen<span class="Delimiter">(</span>filename<span class="Delimiter">.</span>c_str<span class="Delimiter">(),</span> <span class="Constant">"w"</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><span class="Normal">static_cast</span><<span class="Normal">double</span>><span class="Delimiter">(</span>result<span class="Delimiter">));</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> +<span class="Delimiter">}</span> + +<span class="Delimiter">:(before "End Primitive Recipe Declarations")</span> +_READ_FROM_FILE<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">"$read-from-file"</span><span class="Delimiter">,</span> _READ_FROM_FILE<span class="Delimiter">);</span> +<span class="Delimiter">:(before "End Primitive Recipe Checks")</span> +<span class="Normal">case</span> _READ_FROM_FILE: <span class="Delimiter">{</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> + raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'$read-from-file' requires exactly one ingredient, but got '"</span> << inst<span class="Delimiter">.</span>original_string << <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 filename<span class="Delimiter">;</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span> + raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"first ingredient of '$read-from-file' should be a number, but got '"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</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="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> _READ_FROM_FILE: <span class="Delimiter">{</span> + <span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span> x = <span class="Normal">static_cast</span><<span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span>><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span> + <span class="Normal">FILE</span>* f = <span class="Normal">reinterpret_cast</span><<span class="Normal">FILE</span>*><span class="Delimiter">(</span>x<span class="Delimiter">);</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>f == <span class="Constant">NULL</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> + raise << maybe<span class="Delimiter">(</span>current_recipe_name<span class="Delimiter">())</span> << <span class="Constant">"can't read from null file in '"</span> << to_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</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> + products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>feof<span class="Delimiter">(</span>f<span class="Delimiter">))</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><span class="Constant">0</span><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>ferror<span class="Delimiter">(</span>f<span class="Delimiter">))</span> <span class="Delimiter">{</span> + raise << maybe<span class="Delimiter">(</span>current_recipe_name<span class="Delimiter">())</span> << <span class="Constant">"file in invalid state in '"</span> << to_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</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="Normal">char</span> c = getc<span class="Delimiter">(</span>f<span class="Delimiter">);</span> <span class="Comment">// todo: unicode</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>ferror<span class="Delimiter">(</span>f<span class="Delimiter">))</span> <span class="Delimiter">{</span> + raise << maybe<span class="Delimiter">(</span>current_recipe_name<span class="Delimiter">())</span> << <span class="Constant">"couldn't read from file in '"</span> << to_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</span> << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> + raise << <span class="Constant">" errno: "</span> << errno << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span> + <span class="Identifier">break</span><span class="Delimiter">;</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>c<span class="Delimiter">);</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> +<span class="Delimiter">}</span> +<span class="Delimiter">:(before "End Includes")</span> +<span class="PreProc">#include </span><span class="Constant"><cerrno></span> + +<span class="Delimiter">:(before "End Primitive Recipe Declarations")</span> +_WRITE_TO_FILE<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">"$write-to-file"</span><span class="Delimiter">,</span> _WRITE_TO_FILE<span class="Delimiter">);</span> +<span class="Delimiter">:(before "End Primitive Recipe Checks")</span> +<span class="Normal">case</span> _WRITE_TO_FILE: <span class="Delimiter">{</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> + raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'$write-to-file' requires exactly two ingredients, but got '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> + <span class="Delimiter">}</span> + string filename<span class="Delimiter">;</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span> + raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"first ingredient of '$write-to-file' should be a number, but got '"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</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="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span> + raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"second ingredient of '$write-to-file' should be a number, but got '"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</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="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> _WRITE_TO_FILE: <span class="Delimiter">{</span> + <span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span> x = <span class="Normal">static_cast</span><<span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span>><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span> + <span class="Normal">FILE</span>* f = <span class="Normal">reinterpret_cast</span><<span class="Normal">FILE</span>*><span class="Delimiter">(</span>x<span class="Delimiter">);</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>f == <span class="Constant">NULL</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> + raise << maybe<span class="Delimiter">(</span>current_recipe_name<span class="Delimiter">())</span> << <span class="Constant">"can't write to null file in '"</span> << to_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</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="Normal">if</span> <span class="Delimiter">(</span>feof<span class="Delimiter">(</span>f<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>ferror<span class="Delimiter">(</span>f<span class="Delimiter">))</span> <span class="Delimiter">{</span> + raise << maybe<span class="Delimiter">(</span>current_recipe_name<span class="Delimiter">())</span> << <span class="Constant">"file in invalid state in '"</span> << to_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</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="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span> y = <span class="Normal">static_cast</span><<span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span>><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span> + <span class="Normal">char</span> c = <span class="Normal">static_cast</span><<span class="Normal">char</span>><span class="Delimiter">(</span>y<span class="Delimiter">);</span> + putc<span class="Delimiter">(</span>c<span class="Delimiter">,</span> f<span class="Delimiter">);</span> <span class="Comment">// todo: unicode</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>ferror<span class="Delimiter">(</span>f<span class="Delimiter">))</span> <span class="Delimiter">{</span> + raise << maybe<span class="Delimiter">(</span>current_recipe_name<span class="Delimiter">())</span> << <span class="Constant">"couldn't write to file in '"</span> << to_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</span> << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> + raise << <span class="Constant">" errno: "</span> << errno << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> + <span class="Delimiter">}</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> +<span class="Delimiter">}</span> + +<span class="Delimiter">:(before "End Primitive Recipe Declarations")</span> +_CLOSE_FILE<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">"$close-file"</span><span class="Delimiter">,</span> _CLOSE_FILE<span class="Delimiter">);</span> +<span class="Delimiter">:(before "End Primitive Recipe Checks")</span> +<span class="Normal">case</span> _CLOSE_FILE: <span class="Delimiter">{</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> + raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'$close-file' requires exactly one ingredient, but got '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> + <span class="Delimiter">}</span> + string filename<span class="Delimiter">;</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span> + raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"first ingredient of '$close-file' should be a number, but got '"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</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="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> _CLOSE_FILE: <span class="Delimiter">{</span> + <span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span> x = <span class="Normal">static_cast</span><<span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span>><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span> + <span class="Normal">FILE</span>* f = <span class="Normal">reinterpret_cast</span><<span class="Normal">FILE</span>*><span class="Delimiter">(</span>x<span class="Delimiter">);</span> + fclose<span class="Delimiter">(</span>f<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><span class="Constant">0</span><span class="Delimiter">);</span> <span class="Comment">// todo: ensure that caller always resets the ingredient</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> </pre> |