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/*
 * profanity.h
 *
 * Copyright (C) 2012 - 2018 James Booth <boothj5@gmail.com>
 *
 * This file is part of Profanity.
 *
 * Profanity is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Profanity is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Profanity.  If not, see <https://www.gnu.org/licenses/>.
 *
 * In addition, as a special exception, the copyright holders give permission to
 * link the code of portions of this program with the OpenSSL library under
 * certain conditions as described in each individual source file, and
 * distribute linked combinations including the two.
 *
 * You must obey the GNU General Public License in all respects for all of the
 * code used other than OpenSSL. If you modify file(s) with this exception, you
 * may extend this exception to your version of the file(s), but you are not
 * obligated to do so. If you do not wish to do so, delete this exception
 * statement from your version. If you delete this exception statement from all
 * source files in the program, then also delete it here.
 *
 */

#ifndef PROFANITY_H
#define PROFANITY_H

#include <pthread.h>
#include <glib.h>

void prof_run(char *log_level, char *account_name);
void prof_set_quit(void);

pthread_mutex_t lock;

#endif
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<pre id='vimCodeElement'>
<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"> &lt;- </span>copy <span class="Constant">34</span>
]
<span class="traceContains">+parse:   product: {1: &quot;number&quot;, &quot;foo&quot;: &quot;bar&quot;}</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">:(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"> &lt;- </span>copy <span class="Constant">34</span>  <span class="Comment"># test comment</span>
]
<span class="traceContains">+parse:   product: {1: &quot;number&quot;, &quot;foo&quot;: &quot;bar&quot;}</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"> &lt;- </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 &quot;End next_word Special-cases&quot;)</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&amp; 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">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&amp; 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&lt;<span class="Normal">char</span>&gt; open_brackets<span class="Delimiter">;</span>
  <span class="Normal">while</span> <span class="Delimiter">(</span>in &gt;&gt; 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 &lt;&lt; c<span class="Delimiter">;</span>
      <span class="Normal">if</span> <span class="Delimiter">(</span>!<span class="Delimiter">(</span>in &gt;&gt; c<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
      result &lt;&lt; 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 &lt;&lt; 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 &quot;Parsing reagent(string s)&quot;)</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 &gt;&gt; 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 &lt;&lt; <span class="Constant">&quot;invalid reagent '&quot;</span> &lt;&lt; s &lt;&lt; <span class="Constant">&quot;' without a name</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; 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">&quot;}&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
    raise &lt;&lt; <span class="Constant">&quot;invalid empty reagent '&quot;</span> &lt;&lt; s &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; 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">&quot;}&quot;</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&lt;string<span class="Delimiter">,</span> string_tree*&gt;<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&amp; 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> &amp;&amp; *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>
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