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257 lines
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<div class="headertitle"><div class="title">source_location.h</div></div>
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<a href="source__location_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">// Copyright 2010-2021 Google LLC</span></div>
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<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
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<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment">// you may not use this file except in compliance with the License.</span></div>
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<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment">// You may obtain a copy of the License at</span></div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">//</span></div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
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<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment">//</span></div>
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<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
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<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
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<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
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<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment">// See the License for the specific language governing permissions and</span></div>
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment">// limitations under the License.</span></div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="comment">// API for capturing source-code location information.</span></div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="comment">// Based on http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4519.pdf.</span></div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="comment">//</span></div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="comment">// To define a function that has access to the source location of the</span></div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="comment">// callsite, define it with a parameter of type `absl::SourceLocation`. The</span></div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="comment">// caller can then invoke the function, passing `ABSL_LOC` as the argument.</span></div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="comment">//</span></div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="comment">// If at all possible, make the `absl::SourceLocation` parameter be the</span></div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="comment">// function's last parameter. That way, when `std::source_location` is</span></div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="comment">// available, you will be able to switch to it, and give the parameter a default</span></div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="comment">// argument of `std::source_location::current()`. Users will then be able to</span></div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="comment">// omit that argument, and the default will automatically capture the location</span></div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="comment">// of the callsite.</span></div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> </div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#ifndef OR_TOOLS_BASE_SOURCE_LOCATION_H_</span></div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="preprocessor">#define OR_TOOLS_BASE_SOURCE_LOCATION_H_</span></div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> </div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="preprocessor">#include <cstdint></span></div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> </div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="preprocessor">#include "absl/base/config.h"</span></div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> </div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceabsl.html">absl</a> {</div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> </div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span><span class="comment">// Class representing a specific location in the source code of a program.</span></div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span><span class="comment">// `absl::SourceLocation` is copyable.</span></div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"><a class="line" href="classabsl_1_1_source_location.html"> 39</a></span><span class="keyword">class </span><a class="code hl_class" href="classabsl_1_1_source_location.html">SourceLocation</a> {</div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">struct </span>PrivateTag {</div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">private</span>:</div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">explicit</span> PrivateTag() = <span class="keywordflow">default</span>;</div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">friend</span> <span class="keyword">class </span><a class="code hl_class" href="classabsl_1_1_source_location.html">SourceLocation</a>;</div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> };</div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> </div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="comment">// Avoid this constructor; it populates the object with dummy values.</span></div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"><a class="line" href="classabsl_1_1_source_location.html#a9479fae0e62b34481736326f40c601e6"> 48</a></span> <span class="keyword">constexpr</span> <a class="code hl_function" href="classabsl_1_1_source_location.html#a9479fae0e62b34481736326f40c601e6">SourceLocation</a>() : line_(0), file_name_(nullptr) {}</div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> </div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <span class="comment">// Wrapper to invoke the private constructor below. This should only be used</span></div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="comment">// by the `ABSL_LOC` macro, hence the name.</span></div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"><a class="line" href="classabsl_1_1_source_location.html#a7c8f28daa7b1c3d7e98f74d978e7e18a"> 52</a></span> <span class="keyword">static</span> <span class="keyword">constexpr</span> <a class="code hl_class" href="classabsl_1_1_source_location.html">SourceLocation</a> <a class="code hl_function" href="classabsl_1_1_source_location.html#a7c8f28daa7b1c3d7e98f74d978e7e18a">DoNotInvokeDirectly</a>(std::uint_least32_t <a class="code hl_function" href="classabsl_1_1_source_location.html#a48947037098fad684ff4445e8883d803">line</a>,</div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* <a class="code hl_function" href="classabsl_1_1_source_location.html#aeedd682b0aaf5ca12310377a97dc16f1">file_name</a>) {</div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classabsl_1_1_source_location.html#a9479fae0e62b34481736326f40c601e6">SourceLocation</a>(<a class="code hl_function" href="classabsl_1_1_source_location.html#a48947037098fad684ff4445e8883d803">line</a>, <a class="code hl_function" href="classabsl_1_1_source_location.html#aeedd682b0aaf5ca12310377a97dc16f1">file_name</a>);</div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> }</div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> </div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span><span class="preprocessor">#ifdef ABSL_HAVE_SOURCE_LOCATION_CURRENT</span></div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="comment">// SourceLocation::current</span></div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <span class="comment">// Creates a `SourceLocation` based on the current line and file. APIs that</span></div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="comment">// accept a `SourceLocation` as a default parameter can use this to capture</span></div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="comment">// their caller's locations.</span></div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="comment">// Example:</span></div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="comment">// void TracedAdd(int i, SourceLocation loc = SourceLocation::current()) {</span></div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="comment">// std::cout << loc.file_name() << ":" << loc.line() << " added " << i;</span></div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="comment">// ...</span></div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="comment">// }</span></div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="comment">// void UserCode() {</span></div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="comment">// TracedAdd(1);</span></div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="comment">// TracedAdd(2);</span></div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="comment">// }</span></div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="keyword">static</span> <span class="keyword">constexpr</span> <a class="code hl_class" href="classabsl_1_1_source_location.html">SourceLocation</a> <a class="code hl_function" href="classabsl_1_1_source_location.html#a02d1a7a1c9654dde492724b92a8a9d36">current</a>(</div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> PrivateTag = PrivateTag{}, std::uint_least32_t <a class="code hl_function" href="classabsl_1_1_source_location.html#a48947037098fad684ff4445e8883d803">line</a> = __builtin_LINE(),</div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* <a class="code hl_function" href="classabsl_1_1_source_location.html#aeedd682b0aaf5ca12310377a97dc16f1">file_name</a> = __builtin_FILE()) {</div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classabsl_1_1_source_location.html#a9479fae0e62b34481736326f40c601e6">SourceLocation</a>(<a class="code hl_function" href="classabsl_1_1_source_location.html#a48947037098fad684ff4445e8883d803">line</a>, <a class="code hl_function" href="classabsl_1_1_source_location.html#aeedd682b0aaf5ca12310377a97dc16f1">file_name</a>);</div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> }</div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span><span class="preprocessor">#else</span></div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="comment">// Creates a dummy `SourceLocation` of "<source_location>" at line number 1,</span></div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="comment">// if no `SourceLocation::current()` implementation is available.</span></div>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"><a class="line" href="classabsl_1_1_source_location.html#a02d1a7a1c9654dde492724b92a8a9d36"> 83</a></span> <span class="keyword">static</span> <span class="keyword">constexpr</span> <a class="code hl_class" href="classabsl_1_1_source_location.html">SourceLocation</a> <a class="code hl_function" href="classabsl_1_1_source_location.html#a02d1a7a1c9654dde492724b92a8a9d36">current</a>() {</div>
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<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classabsl_1_1_source_location.html#a9479fae0e62b34481736326f40c601e6">SourceLocation</a>(1, <span class="stringliteral">"<source_location>"</span>);</div>
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<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> }</div>
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<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span><span class="preprocessor">#endif</span></div>
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <span class="comment">// The line number of the captured source location.</span></div>
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<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"><a class="line" href="classabsl_1_1_source_location.html#a48947037098fad684ff4445e8883d803"> 88</a></span> <span class="keyword">constexpr</span> std::uint_least32_t <a class="code hl_function" href="classabsl_1_1_source_location.html#a48947037098fad684ff4445e8883d803">line</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> line_; }</div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> </div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="comment">// The file name of the captured source location.</span></div>
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<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"><a class="line" href="classabsl_1_1_source_location.html#aeedd682b0aaf5ca12310377a97dc16f1"> 91</a></span> <span class="keyword">constexpr</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* <a class="code hl_function" href="classabsl_1_1_source_location.html#aeedd682b0aaf5ca12310377a97dc16f1">file_name</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> file_name_; }</div>
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<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> </div>
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<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> <span class="comment">// `column()` and `function_name()` are omitted because we don't have a way to</span></div>
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<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="comment">// support them.</span></div>
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<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> </div>
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<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="keyword">private</span>:</div>
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<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <span class="comment">// Do not invoke this constructor directly. Instead, use the `ABSL_LOC` macro</span></div>
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<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <span class="comment">// below.</span></div>
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<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <span class="comment">// `file_name` must outlive all copies of the `absl::SourceLocation` object,</span></div>
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<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <span class="comment">// so in practice it should be a string literal.</span></div>
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<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <span class="keyword">constexpr</span> <a class="code hl_function" href="classabsl_1_1_source_location.html#a9479fae0e62b34481736326f40c601e6">SourceLocation</a>(std::uint_least32_t <a class="code hl_function" href="classabsl_1_1_source_location.html#a48947037098fad684ff4445e8883d803">line</a>, <span class="keyword">const</span> <span class="keywordtype">char</span>* <a class="code hl_function" href="classabsl_1_1_source_location.html#aeedd682b0aaf5ca12310377a97dc16f1">file_name</a>)</div>
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<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> : line_(<a class="code hl_function" href="classabsl_1_1_source_location.html#a48947037098fad684ff4445e8883d803">line</a>), file_name_(<a class="code hl_function" href="classabsl_1_1_source_location.html#aeedd682b0aaf5ca12310377a97dc16f1">file_name</a>) {}</div>
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<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> </div>
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<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"><a class="line" href="classabsl_1_1_source_location.html#a3a07de0b11d0f02efeeee1f75d0dc29e"> 105</a></span> <span class="keyword">friend</span> <span class="keyword">constexpr</span> <span class="keywordtype">int</span> <a class="code hl_friend" href="classabsl_1_1_source_location.html#a3a07de0b11d0f02efeeee1f75d0dc29e">UseUnused</a>() {</div>
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<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <span class="keyword">static_assert</span>(<a class="code hl_function" href="classabsl_1_1_source_location.html#a9479fae0e62b34481736326f40c601e6">SourceLocation</a>(0, <span class="keyword">nullptr</span>).unused_column_ == 0,</div>
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<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <span class="stringliteral">"Use the otherwise-unused member."</span>);</div>
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<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> <span class="keywordflow">return</span> 0;</div>
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<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> }</div>
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<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> </div>
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<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="comment">// "unused" members are present to minimize future changes in the size of this</span></div>
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<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="comment">// type.</span></div>
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> std::uint_least32_t line_;</div>
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<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> std::uint_least32_t unused_column_ = 0;</div>
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<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* file_name_;</div>
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<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span>};</div>
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<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> </div>
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<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span>} <span class="comment">// namespace absl</span></div>
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<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> </div>
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<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span><span class="comment">// If a function takes an `absl::SourceLocation` parameter, pass this as the</span></div>
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<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span><span class="comment">// argument.</span></div>
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<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"><a class="line" href="source__location_8h.html#a34adc271171bbafeb4f338259e79df88"> 122</a></span><span class="preprocessor">#define ABSL_LOC ::absl::SourceLocation::DoNotInvokeDirectly(__LINE__, __FILE__)</span></div>
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<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> </div>
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<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span><span class="comment">// ABSL_LOC_CURRENT_DEFAULT_ARG</span></div>
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<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span><span class="comment">//</span></div>
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<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span><span class="comment">// Specifies that a function should use `absl::SourceLocation::current()` on</span></div>
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<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span><span class="comment">// platforms where it will return useful information, but require explicitly</span></div>
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<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span><span class="comment">// passing `ABSL_LOC` on platforms where it would return dummy information.</span></div>
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<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span><span class="comment">//</span></div>
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<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span><span class="comment">// Usage:</span></div>
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<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span><span class="comment">//</span></div>
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|
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span><span class="comment">// void MyLog(absl::string_view msg,</span></div>
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<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span><span class="comment">// absl::SourceLocation loc ABSL_LOC_CURRENT_DEFAULT_ARG) {</span></div>
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<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span><span class="comment">// std::cout << loc.file_name() << "@" << loc.line() << ": " << msg;</span></div>
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<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span><span class="comment">// }</span></div>
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<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span><span class="comment">//</span></div>
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<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span><span class="preprocessor">#if ABSL_HAVE_SOURCE_LOCATION_CURRENT</span></div>
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<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span><span class="preprocessor">#define ABSL_LOC_CURRENT_DEFAULT_ARG = ::absl::SourceLocation::current()</span></div>
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<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span><span class="preprocessor">#else</span></div>
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<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"><a class="line" href="source__location_8h.html#adeb8e68325c865f9e94c9e3f065d5463"> 140</a></span><span class="preprocessor">#define ABSL_LOC_CURRENT_DEFAULT_ARG</span></div>
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<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span><span class="preprocessor">#endif</span></div>
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<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> </div>
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<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span><span class="preprocessor">#endif </span><span class="comment">// OR_TOOLS_BASE_SOURCE_LOCATION_H_</span></div>
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<div class="ttc" id="aclassabsl_1_1_source_location_html"><div class="ttname"><a href="classabsl_1_1_source_location.html">absl::SourceLocation</a></div><div class="ttdef"><b>Definition:</b> <a href="source__location_8h_source.html#l00039">source_location.h:39</a></div></div>
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<div class="ttc" id="aclassabsl_1_1_source_location_html_a02d1a7a1c9654dde492724b92a8a9d36"><div class="ttname"><a href="classabsl_1_1_source_location.html#a02d1a7a1c9654dde492724b92a8a9d36">absl::SourceLocation::current</a></div><div class="ttdeci">static constexpr SourceLocation current()</div><div class="ttdef"><b>Definition:</b> <a href="source__location_8h_source.html#l00083">source_location.h:83</a></div></div>
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<div class="ttc" id="aclassabsl_1_1_source_location_html_a3a07de0b11d0f02efeeee1f75d0dc29e"><div class="ttname"><a href="classabsl_1_1_source_location.html#a3a07de0b11d0f02efeeee1f75d0dc29e">absl::SourceLocation::UseUnused</a></div><div class="ttdeci">friend constexpr int UseUnused()</div><div class="ttdef"><b>Definition:</b> <a href="source__location_8h_source.html#l00105">source_location.h:105</a></div></div>
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<div class="ttc" id="aclassabsl_1_1_source_location_html_a48947037098fad684ff4445e8883d803"><div class="ttname"><a href="classabsl_1_1_source_location.html#a48947037098fad684ff4445e8883d803">absl::SourceLocation::line</a></div><div class="ttdeci">constexpr std::uint_least32_t line() const</div><div class="ttdef"><b>Definition:</b> <a href="source__location_8h_source.html#l00088">source_location.h:88</a></div></div>
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<div class="ttc" id="aclassabsl_1_1_source_location_html_a7c8f28daa7b1c3d7e98f74d978e7e18a"><div class="ttname"><a href="classabsl_1_1_source_location.html#a7c8f28daa7b1c3d7e98f74d978e7e18a">absl::SourceLocation::DoNotInvokeDirectly</a></div><div class="ttdeci">static constexpr SourceLocation DoNotInvokeDirectly(std::uint_least32_t line, const char *file_name)</div><div class="ttdef"><b>Definition:</b> <a href="source__location_8h_source.html#l00052">source_location.h:52</a></div></div>
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<div class="ttc" id="aclassabsl_1_1_source_location_html_a9479fae0e62b34481736326f40c601e6"><div class="ttname"><a href="classabsl_1_1_source_location.html#a9479fae0e62b34481736326f40c601e6">absl::SourceLocation::SourceLocation</a></div><div class="ttdeci">constexpr SourceLocation()</div><div class="ttdef"><b>Definition:</b> <a href="source__location_8h_source.html#l00048">source_location.h:48</a></div></div>
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<div class="ttc" id="aclassabsl_1_1_source_location_html_aeedd682b0aaf5ca12310377a97dc16f1"><div class="ttname"><a href="classabsl_1_1_source_location.html#aeedd682b0aaf5ca12310377a97dc16f1">absl::SourceLocation::file_name</a></div><div class="ttdeci">constexpr const char * file_name() const</div><div class="ttdef"><b>Definition:</b> <a href="source__location_8h_source.html#l00091">source_location.h:91</a></div></div>
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<div class="ttc" id="anamespaceabsl_html"><div class="ttname"><a href="namespaceabsl.html">absl</a></div><div class="ttdef"><b>Definition:</b> <a href="cleanup_8h_source.html#l00022">cleanup.h:22</a></div></div>
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