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author | Kartik K. Agaram <vc@akkartik.com> | 2016-03-26 23:59:59 -0700 |
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committer | Kartik K. Agaram <vc@akkartik.com> | 2016-03-27 17:43:41 -0700 |
commit | a654e4ecace2d506d1b10f1dde2c287ebe84ef37 (patch) | |
tree | 1e34a3ad99a56e32bdf9ee03ecfe7d339e7942ae /html/054dilated_reagent.cc.html | |
parent | 859f35fbe2f6a78157b875e12eb7dc8cd95c1152 (diff) | |
download | mu-a654e4ecace2d506d1b10f1dde2c287ebe84ef37.tar.gz |
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Diffstat (limited to 'html/054dilated_reagent.cc.html')
-rw-r--r-- | html/054dilated_reagent.cc.html | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/html/054dilated_reagent.cc.html b/html/054dilated_reagent.cc.html deleted file mode 100644 index c7124c12..00000000 --- a/html/054dilated_reagent.cc.html +++ /dev/null @@ -1,163 +0,0 @@ -<!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 - 054dilated_reagent.cc</title> -<meta name="Generator" content="Vim/7.3"> -<meta name="plugin-version" content="vim7.3_v6"> -<meta name="syntax" content="cpp"> -<meta name="settings" content="use_css"> -<style type="text/css"> -<!-- -pre { font-family: monospace; color: #eeeeee; background-color: #080808; } -body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color: #080808; } -.cSpecial { color: #008000; } -.Identifier { color: #fcb165; } -.Normal { color: #eeeeee; background-color: #080808; } -.Error { color: #ffffff; background-color: #ff6060; } -.PreProc { color: #800080; } -.traceContains { color: #008000; } -.Special { color: #c00000; } -.Constant { color: #00a0a0; } -.Delimiter { color: #800080; } -.Comment { color: #9090ff; } ---> -</style> -</head> -<body> -<pre> -<span class="Comment">//: An alternative syntax for reagents that permits whitespace in properties,</span> -<span class="Comment">//: grouped by brackets. We'll use this ability in the next layer, when we</span> -<span class="Comment">//: generalize types from lists to trees of properties.</span> - -<span class="Delimiter">:(scenarios load)</span> -<span class="Delimiter">:(scenario dilated_reagent)</span> -def main [ - <span class="Delimiter">{</span><span class="Constant">1</span>: number<span class="Delimiter">,</span> foo: bar<span class="Delimiter">}</span><span class="Special"> <- </span>copy <span class="Constant">34</span> -] -<span class="traceContains">+parse: product: 1: "number", {"foo": "bar"}</span> - -<span class="Delimiter">:(scenario load_trailing_space_after_curly_bracket)</span> -def main [ -<span class="PreProc"> </span><span class="Comment"># line below has a space at the end</span> - <span class="Delimiter">{</span><span class="Error"> </span> -] -<span class="Comment"># successfully parsed</span> - -<span class="Delimiter">:(scenarios run)</span> -<span class="Delimiter">:(scenario dilated_reagent_with_comment)</span> -def main [ - <span class="Delimiter">{</span><span class="Constant">1</span>: number<span class="Delimiter">,</span> foo: bar<span class="Delimiter">}</span><span class="Special"> <- </span>copy <span class="Constant">34</span> <span class="Comment"># test comment</span> -] -<span class="traceContains">+parse: product: 1: "number", {"foo": "bar"}</span> -$error: <span class="Constant">0</span> - -<span class="Delimiter">:(scenario dilated_reagent_with_comment_immediately_following)</span> -def main [ - <span class="Constant">1</span>:number<span class="Special"> <- </span>copy <span class="Delimiter">{</span><span class="Constant">34</span>: literal<span class="Delimiter">}</span> <span class="Comment"># test comment</span> -] -$error: <span class="Constant">0</span> - -<span class="Comment">//: First augment next_word to group balanced brackets together.</span> - -<span class="Delimiter">:(before "End next_word Special-cases")</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="Identifier">return</span> slurp_balanced_bracket<span class="Delimiter">(</span>in<span class="Delimiter">);</span> -<span class="Comment">// treat curlies mostly like parens, but don't mess up labels</span> -<span class="Normal">if</span> <span class="Delimiter">(</span>start_of_dilated_reagent<span class="Delimiter">(</span>in<span class="Delimiter">))</span> - <span class="Identifier">return</span> slurp_balanced_bracket<span class="Delimiter">(</span>in<span class="Delimiter">);</span> - -<span class="Delimiter">:(code)</span> -<span class="Comment">// A curly is considered a label if it's the last thing on a line. Dilated</span> -<span class="Comment">// reagents should remain all on one line.</span> -<span class="Normal">bool</span> start_of_dilated_reagent<span class="Delimiter">(</span>istream& in<span class="Delimiter">)</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="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span> - <span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span> pos = in<span class="Delimiter">.</span>tellg<span class="Delimiter">();</span> - in<span class="Delimiter">.</span>get<span class="Delimiter">();</span> <span class="Comment">// slurp '{'</span> - skip_whitespace_but_not_newline<span class="Delimiter">(</span>in<span class="Delimiter">);</span> - <span class="Normal">char</span> next = in<span class="Delimiter">.</span>peek<span class="Delimiter">();</span> - in<span class="Delimiter">.</span>seekg<span class="Delimiter">(</span>pos<span class="Delimiter">);</span> - <span class="Identifier">return</span> next != <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> -<span class="Delimiter">}</span> - -<span class="Comment">// Assume the first letter is an open bracket, and read everything until the</span> -<span class="Comment">// matching close bracket.</span> -<span class="Comment">// We balance {} () and []. And we skip one character after '\'.</span> -string slurp_balanced_bracket<span class="Delimiter">(</span>istream& in<span class="Delimiter">)</span> <span class="Delimiter">{</span> - ostringstream result<span class="Delimiter">;</span> - <span class="Normal">char</span> c<span class="Delimiter">;</span> - list<<span class="Normal">char</span>> open_brackets<span class="Delimiter">;</span> - <span class="Normal">while</span> <span class="Delimiter">(</span>in >> c<span class="Delimiter">)</span> <span class="Delimiter">{</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>c == <span class="cSpecial">'\\'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> - <span class="Comment">// always silently skip the next character</span> - result << c<span class="Delimiter">;</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>!<span class="Delimiter">(</span>in >> c<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span> - result << c<span class="Delimiter">;</span> - <span class="Identifier">continue</span><span class="Delimiter">;</span> - <span class="Delimiter">}</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>c == <span class="Constant">'('</span><span class="Delimiter">)</span> open_brackets<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>c<span class="Delimiter">);</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>c == <span class="Constant">')'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> - assert<span class="Delimiter">(</span>open_brackets<span class="Delimiter">.</span>back<span class="Delimiter">()</span> == <span class="Constant">'('</span><span class="Delimiter">);</span> - open_brackets<span class="Delimiter">.</span>pop_back<span class="Delimiter">();</span> - <span class="Delimiter">}</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>c == <span class="Constant">'['</span><span class="Delimiter">)</span> open_brackets<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>c<span class="Delimiter">);</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>c == <span class="Constant">']'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> - assert<span class="Delimiter">(</span>open_brackets<span class="Delimiter">.</span>back<span class="Delimiter">()</span> == <span class="Constant">'['</span><span class="Delimiter">);</span> - open_brackets<span class="Delimiter">.</span>pop_back<span class="Delimiter">();</span> - <span class="Delimiter">}</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>c == <span class="Constant">'{'</span><span class="Delimiter">)</span> open_brackets<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>c<span class="Delimiter">);</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>c == <span class="Constant">'}'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> - assert<span class="Delimiter">(</span>open_brackets<span class="Delimiter">.</span>back<span class="Delimiter">()</span> == <span class="Constant">'{'</span><span class="Delimiter">);</span> - open_brackets<span class="Delimiter">.</span>pop_back<span class="Delimiter">();</span> - <span class="Delimiter">}</span> - result << c<span class="Delimiter">;</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>open_brackets<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">break</span><span class="Delimiter">;</span> - <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>str<span class="Delimiter">();</span> -<span class="Delimiter">}</span> - -<span class="Delimiter">:(after "Parsing reagent(string s)")</span> -<span class="Normal">if</span> <span class="Delimiter">(</span>s<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="Delimiter">{</span> - assert<span class="Delimiter">(</span>properties<span class="Delimiter">.</span>empty<span class="Delimiter">());</span> - istringstream in<span class="Delimiter">(</span>s<span class="Delimiter">);</span> - in >> std::noskipws<span class="Delimiter">;</span> - in<span class="Delimiter">.</span>get<span class="Delimiter">();</span> <span class="Comment">// skip '{'</span> - name = slurp_key<span class="Delimiter">(</span>in<span class="Delimiter">);</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>name<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span> - raise << <span class="Constant">"invalid reagent "</span> << s << <span class="Constant">" without a name</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> - <span class="Identifier">return</span><span class="Delimiter">;</span> - <span class="Delimiter">}</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>name == <span class="Constant">"}"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> - raise << <span class="Constant">"invalid empty reagent "</span> << s << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span> - <span class="Identifier">return</span><span class="Delimiter">;</span> - <span class="Delimiter">}</span> - <span class="Delimiter">{</span> - string_tree* value = <span class="Normal">new</span> string_tree<span class="Delimiter">(</span>next_word<span class="Delimiter">(</span>in<span class="Delimiter">));</span> - <span class="Comment">// End Parsing Reagent Type Property(value)</span> - type = new_type_tree<span class="Delimiter">(</span>value<span class="Delimiter">);</span> - <span class="Normal">delete</span> value<span class="Delimiter">;</span> - <span class="Delimiter">}</span> - <span class="Normal">while</span> <span class="Delimiter">(</span>has_data<span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Delimiter">{</span> - string key = slurp_key<span class="Delimiter">(</span>in<span class="Delimiter">);</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>key<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> - <span class="Normal">if</span> <span class="Delimiter">(</span>key == <span class="Constant">"}"</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> - string_tree* value = <span class="Normal">new</span> string_tree<span class="Delimiter">(</span>next_word<span class="Delimiter">(</span>in<span class="Delimiter">));</span> - <span class="Comment">// End Parsing Reagent Property(value)</span> - properties<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>pair<string<span class="Delimiter">,</span> string_tree*><span class="Delimiter">(</span>key<span class="Delimiter">,</span> value<span class="Delimiter">));</span> - <span class="Delimiter">}</span> - <span class="Identifier">return</span><span class="Delimiter">;</span> -<span class="Delimiter">}</span> - -<span class="Delimiter">:(code)</span> -string slurp_key<span class="Delimiter">(</span>istream& in<span class="Delimiter">)</span> <span class="Delimiter">{</span> - string result = next_word<span class="Delimiter">(</span>in<span class="Delimiter">);</span> - <span class="Normal">while</span> <span class="Delimiter">(</span>!result<span class="Delimiter">.</span>empty<span class="Delimiter">()</span> && *result<span class="Delimiter">.</span>rbegin<span class="Delimiter">()</span> == <span class="Constant">':'</span><span class="Delimiter">)</span> - strip_last<span class="Delimiter">(</span>result<span class="Delimiter">);</span> - <span class="Normal">while</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>peek<span class="Delimiter">()</span> == <span class="Constant">':'</span><span class="Delimiter">)</span> - in<span class="Delimiter">.</span>get<span class="Delimiter">();</span> - <span class="Identifier">return</span> result<span class="Delimiter">;</span> -<span class="Delimiter">}</span> -</pre> -</body> -</html> |