aboutsummaryrefslogtreecommitdiffhomepage
path: root/src/llvm_kaleidoscope_rs/lexer.rs.html
diff options
context:
space:
mode:
Diffstat (limited to 'src/llvm_kaleidoscope_rs/lexer.rs.html')
-rw-r--r--src/llvm_kaleidoscope_rs/lexer.rs.html367
1 files changed, 367 insertions, 0 deletions
diff --git a/src/llvm_kaleidoscope_rs/lexer.rs.html b/src/llvm_kaleidoscope_rs/lexer.rs.html
new file mode 100644
index 0000000..3524648
--- /dev/null
+++ b/src/llvm_kaleidoscope_rs/lexer.rs.html
@@ -0,0 +1,367 @@
+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `src/lexer.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>lexer.rs - source</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings"></script><script src="../../storage.js"></script><script src="../../crates.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg">
+<link rel="alternate icon" type="image/png" href="../../favicon-16x16.png">
+<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu" role="button">&#9776;</div><a href='../../llvm_kaleidoscope_rs/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu" title="themes"><img src="../../brush.svg" width="18" height="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" id="help-button" title="help">?</button><a id="settings-menu" href="../../settings.html" title="settings"><img src="../../wheel.svg" width="18" height="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><div class="example-wrap"><pre class="line-numbers"><span id="1"> 1</span>
+<span id="2"> 2</span>
+<span id="3"> 3</span>
+<span id="4"> 4</span>
+<span id="5"> 5</span>
+<span id="6"> 6</span>
+<span id="7"> 7</span>
+<span id="8"> 8</span>
+<span id="9"> 9</span>
+<span id="10"> 10</span>
+<span id="11"> 11</span>
+<span id="12"> 12</span>
+<span id="13"> 13</span>
+<span id="14"> 14</span>
+<span id="15"> 15</span>
+<span id="16"> 16</span>
+<span id="17"> 17</span>
+<span id="18"> 18</span>
+<span id="19"> 19</span>
+<span id="20"> 20</span>
+<span id="21"> 21</span>
+<span id="22"> 22</span>
+<span id="23"> 23</span>
+<span id="24"> 24</span>
+<span id="25"> 25</span>
+<span id="26"> 26</span>
+<span id="27"> 27</span>
+<span id="28"> 28</span>
+<span id="29"> 29</span>
+<span id="30"> 30</span>
+<span id="31"> 31</span>
+<span id="32"> 32</span>
+<span id="33"> 33</span>
+<span id="34"> 34</span>
+<span id="35"> 35</span>
+<span id="36"> 36</span>
+<span id="37"> 37</span>
+<span id="38"> 38</span>
+<span id="39"> 39</span>
+<span id="40"> 40</span>
+<span id="41"> 41</span>
+<span id="42"> 42</span>
+<span id="43"> 43</span>
+<span id="44"> 44</span>
+<span id="45"> 45</span>
+<span id="46"> 46</span>
+<span id="47"> 47</span>
+<span id="48"> 48</span>
+<span id="49"> 49</span>
+<span id="50"> 50</span>
+<span id="51"> 51</span>
+<span id="52"> 52</span>
+<span id="53"> 53</span>
+<span id="54"> 54</span>
+<span id="55"> 55</span>
+<span id="56"> 56</span>
+<span id="57"> 57</span>
+<span id="58"> 58</span>
+<span id="59"> 59</span>
+<span id="60"> 60</span>
+<span id="61"> 61</span>
+<span id="62"> 62</span>
+<span id="63"> 63</span>
+<span id="64"> 64</span>
+<span id="65"> 65</span>
+<span id="66"> 66</span>
+<span id="67"> 67</span>
+<span id="68"> 68</span>
+<span id="69"> 69</span>
+<span id="70"> 70</span>
+<span id="71"> 71</span>
+<span id="72"> 72</span>
+<span id="73"> 73</span>
+<span id="74"> 74</span>
+<span id="75"> 75</span>
+<span id="76"> 76</span>
+<span id="77"> 77</span>
+<span id="78"> 78</span>
+<span id="79"> 79</span>
+<span id="80"> 80</span>
+<span id="81"> 81</span>
+<span id="82"> 82</span>
+<span id="83"> 83</span>
+<span id="84"> 84</span>
+<span id="85"> 85</span>
+<span id="86"> 86</span>
+<span id="87"> 87</span>
+<span id="88"> 88</span>
+<span id="89"> 89</span>
+<span id="90"> 90</span>
+<span id="91"> 91</span>
+<span id="92"> 92</span>
+<span id="93"> 93</span>
+<span id="94"> 94</span>
+<span id="95"> 95</span>
+<span id="96"> 96</span>
+<span id="97"> 97</span>
+<span id="98"> 98</span>
+<span id="99"> 99</span>
+<span id="100">100</span>
+<span id="101">101</span>
+<span id="102">102</span>
+<span id="103">103</span>
+<span id="104">104</span>
+<span id="105">105</span>
+<span id="106">106</span>
+<span id="107">107</span>
+<span id="108">108</span>
+<span id="109">109</span>
+<span id="110">110</span>
+<span id="111">111</span>
+<span id="112">112</span>
+<span id="113">113</span>
+<span id="114">114</span>
+<span id="115">115</span>
+<span id="116">116</span>
+<span id="117">117</span>
+<span id="118">118</span>
+<span id="119">119</span>
+<span id="120">120</span>
+<span id="121">121</span>
+<span id="122">122</span>
+<span id="123">123</span>
+<span id="124">124</span>
+<span id="125">125</span>
+<span id="126">126</span>
+<span id="127">127</span>
+<span id="128">128</span>
+<span id="129">129</span>
+<span id="130">130</span>
+<span id="131">131</span>
+<span id="132">132</span>
+<span id="133">133</span>
+<span id="134">134</span>
+<span id="135">135</span>
+<span id="136">136</span>
+<span id="137">137</span>
+<span id="138">138</span>
+<span id="139">139</span>
+<span id="140">140</span>
+<span id="141">141</span>
+<span id="142">142</span>
+<span id="143">143</span>
+<span id="144">144</span>
+<span id="145">145</span>
+<span id="146">146</span>
+<span id="147">147</span>
+<span id="148">148</span>
+<span id="149">149</span>
+<span id="150">150</span>
+<span id="151">151</span>
+<span id="152">152</span>
+<span id="153">153</span>
+<span id="154">154</span>
+<span id="155">155</span>
+<span id="156">156</span>
+<span id="157">157</span>
+<span id="158">158</span>
+<span id="159">159</span>
+<span id="160">160</span>
+<span id="161">161</span>
+<span id="162">162</span>
+<span id="163">163</span>
+<span id="164">164</span>
+<span id="165">165</span>
+<span id="166">166</span>
+<span id="167">167</span>
+<span id="168">168</span>
+<span id="169">169</span>
+<span id="170">170</span>
+<span id="171">171</span>
+<span id="172">172</span>
+<span id="173">173</span>
+<span id="174">174</span>
+<span id="175">175</span>
+<span id="176">176</span>
+<span id="177">177</span>
+<span id="178">178</span>
+<span id="179">179</span>
+<span id="180">180</span>
+<span id="181">181</span>
+</pre><pre class="rust">
+<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Debug</span>, <span class="ident">PartialEq</span>)]</span>
+<span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">Token</span> {
+ <span class="ident">Eof</span>,
+ <span class="ident">Def</span>,
+ <span class="ident">Extern</span>,
+ <span class="ident">Identifier</span>(<span class="ident">String</span>),
+ <span class="ident">Number</span>(<span class="ident">f64</span>),
+ <span class="ident">Char</span>(<span class="ident">char</span>),
+}
+
+<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Lexer</span><span class="op">&lt;</span><span class="ident">I</span><span class="op">&gt;</span>
+<span class="kw">where</span>
+ <span class="ident">I</span>: <span class="ident">Iterator</span><span class="op">&lt;</span><span class="ident">Item</span> <span class="op">=</span> <span class="ident">char</span><span class="op">&gt;</span>,
+{
+ <span class="ident">input</span>: <span class="ident">I</span>,
+ <span class="ident">last_char</span>: <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">char</span><span class="op">&gt;</span>,
+}
+
+<span class="kw">impl</span><span class="op">&lt;</span><span class="ident">I</span><span class="op">&gt;</span> <span class="ident">Lexer</span><span class="op">&lt;</span><span class="ident">I</span><span class="op">&gt;</span>
+<span class="kw">where</span>
+ <span class="ident">I</span>: <span class="ident">Iterator</span><span class="op">&lt;</span><span class="ident">Item</span> <span class="op">=</span> <span class="ident">char</span><span class="op">&gt;</span>,
+{
+ <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>(<span class="kw-2">mut</span> <span class="ident">input</span>: <span class="ident">I</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Lexer</span><span class="op">&lt;</span><span class="ident">I</span><span class="op">&gt;</span> {
+ <span class="kw">let</span> <span class="ident">last_char</span> <span class="op">=</span> <span class="ident">input</span>.<span class="ident">next</span>();
+ <span class="ident">Lexer</span> { <span class="ident">input</span>, <span class="ident">last_char</span> }
+ }
+
+ <span class="kw">fn</span> <span class="ident">step</span>(<span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">char</span><span class="op">&gt;</span> {
+ <span class="self">self</span>.<span class="ident">last_char</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">input</span>.<span class="ident">next</span>();
+ <span class="self">self</span>.<span class="ident">last_char</span>
+ }
+
+ <span class="doccomment">/// Lex and return the next token.</span>
+ <span class="doccomment">///</span>
+ <span class="doccomment">/// Implement `int gettok();` from the tutorial.</span>
+ <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">gettok</span>(<span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Token</span> {
+ <span class="comment">// Eat up whitespaces.</span>
+ <span class="kw">while</span> <span class="macro">matches!</span>(<span class="self">self</span>.<span class="ident">last_char</span>, <span class="prelude-val">Some</span>(<span class="ident">c</span>) <span class="kw">if</span> <span class="ident">c</span>.<span class="ident">is_ascii_whitespace</span>()) {
+ <span class="self">self</span>.<span class="ident">step</span>();
+ }
+
+ <span class="comment">// Unpack last char or return EOF.</span>
+ <span class="kw">let</span> <span class="ident">last_char</span> <span class="op">=</span> <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">c</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">last_char</span> {
+ <span class="ident">c</span>
+ } <span class="kw">else</span> {
+ <span class="kw">return</span> <span class="ident">Token::Eof</span>;
+ };
+
+ <span class="comment">// Identifier: [a-zA-Z][a-zA-Z0-9]*</span>
+ <span class="kw">if</span> <span class="ident">last_char</span>.<span class="ident">is_ascii_alphabetic</span>() {
+ <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">ident</span> <span class="op">=</span> <span class="ident">String::new</span>();
+ <span class="ident">ident</span>.<span class="ident">push</span>(<span class="ident">last_char</span>);
+
+ <span class="kw">while</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">c</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">step</span>() {
+ <span class="kw">if</span> <span class="ident">c</span>.<span class="ident">is_ascii_alphanumeric</span>() {
+ <span class="ident">ident</span>.<span class="ident">push</span>(<span class="ident">c</span>)
+ } <span class="kw">else</span> {
+ <span class="kw">break</span>;
+ }
+ }
+
+ <span class="kw">match</span> <span class="ident">ident</span>.<span class="ident">as_ref</span>() {
+ <span class="string">&quot;def&quot;</span> <span class="op">=</span><span class="op">&gt;</span> <span class="kw">return</span> <span class="ident">Token::Def</span>,
+ <span class="string">&quot;extern&quot;</span> <span class="op">=</span><span class="op">&gt;</span> <span class="kw">return</span> <span class="ident">Token::Extern</span>,
+ <span class="kw">_</span> <span class="op">=</span><span class="op">&gt;</span> {}
+ }
+
+ <span class="kw">return</span> <span class="ident">Token::Identifier</span>(<span class="ident">ident</span>);
+ }
+
+ <span class="comment">// Number: [0-9.]+</span>
+ <span class="kw">if</span> <span class="ident">last_char</span>.<span class="ident">is_ascii_digit</span>() <span class="op">|</span><span class="op">|</span> <span class="ident">last_char</span> <span class="op">=</span><span class="op">=</span> <span class="string">&#39;.&#39;</span> {
+ <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">num</span> <span class="op">=</span> <span class="ident">String::new</span>();
+ <span class="ident">num</span>.<span class="ident">push</span>(<span class="ident">last_char</span>);
+
+ <span class="kw">while</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">c</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">step</span>() {
+ <span class="kw">if</span> <span class="ident">c</span>.<span class="ident">is_ascii_digit</span>() <span class="op">|</span><span class="op">|</span> <span class="ident">c</span> <span class="op">=</span><span class="op">=</span> <span class="string">&#39;.&#39;</span> {
+ <span class="ident">num</span>.<span class="ident">push</span>(<span class="ident">c</span>)
+ } <span class="kw">else</span> {
+ <span class="kw">break</span>;
+ }
+ }
+
+ <span class="kw">let</span> <span class="ident">num</span>: <span class="ident">f64</span> <span class="op">=</span> <span class="ident">num</span>.<span class="ident">parse</span>().<span class="ident">unwrap_or_default</span>();
+ <span class="kw">return</span> <span class="ident">Token::Number</span>(<span class="ident">num</span>);
+ }
+
+ <span class="comment">// Eat up comment.</span>
+ <span class="kw">if</span> <span class="ident">last_char</span> <span class="op">=</span><span class="op">=</span> <span class="string">&#39;#&#39;</span> {
+ <span class="kw">loop</span> {
+ <span class="kw">match</span> <span class="self">self</span>.<span class="ident">step</span>() {
+ <span class="prelude-val">Some</span>(<span class="ident">c</span>) <span class="kw">if</span> <span class="ident">c</span> <span class="op">=</span><span class="op">=</span> <span class="string">&#39;\r&#39;</span> <span class="op">|</span><span class="op">|</span> <span class="ident">c</span> <span class="op">=</span><span class="op">=</span> <span class="string">&#39;\n&#39;</span> <span class="op">=</span><span class="op">&gt;</span> <span class="kw">return</span> <span class="self">self</span>.<span class="ident">gettok</span>(),
+ <span class="prelude-val">None</span> <span class="op">=</span><span class="op">&gt;</span> <span class="kw">return</span> <span class="ident">Token::Eof</span>,
+ <span class="kw">_</span> <span class="op">=</span><span class="op">&gt;</span> { <span class="comment">/* consume comment */</span> }
+ }
+ }
+ }
+
+ <span class="comment">// Advance last char and return currently last char.</span>
+ <span class="self">self</span>.<span class="ident">step</span>();
+ <span class="ident">Token::Char</span>(<span class="ident">last_char</span>)
+ }
+}
+
+<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">test</span>)]</span>
+<span class="kw">mod</span> <span class="ident">test</span> {
+ <span class="kw">use</span> <span class="kw">super</span>::{<span class="ident">Lexer</span>, <span class="ident">Token</span>};
+
+ <span class="attribute">#[<span class="ident">test</span>]</span>
+ <span class="kw">fn</span> <span class="ident">test_identifier</span>() {
+ <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">lex</span> <span class="op">=</span> <span class="ident">Lexer::new</span>(<span class="string">&quot;a b c&quot;</span>.<span class="ident">chars</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::Identifier</span>(<span class="string">&quot;a&quot;</span>.<span class="ident">into</span>()), <span class="ident">lex</span>.<span class="ident">gettok</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::Identifier</span>(<span class="string">&quot;b&quot;</span>.<span class="ident">into</span>()), <span class="ident">lex</span>.<span class="ident">gettok</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::Identifier</span>(<span class="string">&quot;c&quot;</span>.<span class="ident">into</span>()), <span class="ident">lex</span>.<span class="ident">gettok</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::Eof</span>, <span class="ident">lex</span>.<span class="ident">gettok</span>());
+ }
+
+ <span class="attribute">#[<span class="ident">test</span>]</span>
+ <span class="kw">fn</span> <span class="ident">test_keyword</span>() {
+ <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">lex</span> <span class="op">=</span> <span class="ident">Lexer::new</span>(<span class="string">&quot;def extern&quot;</span>.<span class="ident">chars</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::Def</span>, <span class="ident">lex</span>.<span class="ident">gettok</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::Extern</span>, <span class="ident">lex</span>.<span class="ident">gettok</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::Eof</span>, <span class="ident">lex</span>.<span class="ident">gettok</span>());
+ }
+
+ <span class="attribute">#[<span class="ident">test</span>]</span>
+ <span class="kw">fn</span> <span class="ident">test_number</span>() {
+ <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">lex</span> <span class="op">=</span> <span class="ident">Lexer::new</span>(<span class="string">&quot;12.34&quot;</span>.<span class="ident">chars</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::Number</span>(<span class="number">12.34f64</span>), <span class="ident">lex</span>.<span class="ident">gettok</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::Eof</span>, <span class="ident">lex</span>.<span class="ident">gettok</span>());
+
+ <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">lex</span> <span class="op">=</span> <span class="ident">Lexer::new</span>(<span class="string">&quot; 1.0 2.0 3.0&quot;</span>.<span class="ident">chars</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::Number</span>(<span class="number">1.0f64</span>), <span class="ident">lex</span>.<span class="ident">gettok</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::Number</span>(<span class="number">2.0f64</span>), <span class="ident">lex</span>.<span class="ident">gettok</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::Number</span>(<span class="number">3.0f64</span>), <span class="ident">lex</span>.<span class="ident">gettok</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::Eof</span>, <span class="ident">lex</span>.<span class="ident">gettok</span>());
+
+ <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">lex</span> <span class="op">=</span> <span class="ident">Lexer::new</span>(<span class="string">&quot;12.34.56&quot;</span>.<span class="ident">chars</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::Number</span>(<span class="number">0f64</span>), <span class="ident">lex</span>.<span class="ident">gettok</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::Eof</span>, <span class="ident">lex</span>.<span class="ident">gettok</span>());
+ }
+
+ <span class="attribute">#[<span class="ident">test</span>]</span>
+ <span class="kw">fn</span> <span class="ident">test_comment</span>() {
+ <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">lex</span> <span class="op">=</span> <span class="ident">Lexer::new</span>(<span class="string">&quot;# some comment&quot;</span>.<span class="ident">chars</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::Eof</span>, <span class="ident">lex</span>.<span class="ident">gettok</span>());
+
+ <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">lex</span> <span class="op">=</span> <span class="ident">Lexer::new</span>(<span class="string">&quot;abc # some comment \n xyz&quot;</span>.<span class="ident">chars</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::Identifier</span>(<span class="string">&quot;abc&quot;</span>.<span class="ident">into</span>()), <span class="ident">lex</span>.<span class="ident">gettok</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::Identifier</span>(<span class="string">&quot;xyz&quot;</span>.<span class="ident">into</span>()), <span class="ident">lex</span>.<span class="ident">gettok</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::Eof</span>, <span class="ident">lex</span>.<span class="ident">gettok</span>());
+ }
+
+ <span class="attribute">#[<span class="ident">test</span>]</span>
+ <span class="kw">fn</span> <span class="ident">test_chars</span>() {
+ <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">lex</span> <span class="op">=</span> <span class="ident">Lexer::new</span>(<span class="string">&quot;a+b-c&quot;</span>.<span class="ident">chars</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::Identifier</span>(<span class="string">&quot;a&quot;</span>.<span class="ident">into</span>()), <span class="ident">lex</span>.<span class="ident">gettok</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::Char</span>(<span class="string">&#39;+&#39;</span>), <span class="ident">lex</span>.<span class="ident">gettok</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::Identifier</span>(<span class="string">&quot;b&quot;</span>.<span class="ident">into</span>()), <span class="ident">lex</span>.<span class="ident">gettok</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::Char</span>(<span class="string">&#39;-&#39;</span>), <span class="ident">lex</span>.<span class="ident">gettok</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::Identifier</span>(<span class="string">&quot;c&quot;</span>.<span class="ident">into</span>()), <span class="ident">lex</span>.<span class="ident">gettok</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::Eof</span>, <span class="ident">lex</span>.<span class="ident">gettok</span>());
+ }
+
+ <span class="attribute">#[<span class="ident">test</span>]</span>
+ <span class="kw">fn</span> <span class="ident">test_whitespaces</span>() {
+ <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">lex</span> <span class="op">=</span> <span class="ident">Lexer::new</span>(<span class="string">&quot; +a b c! &quot;</span>.<span class="ident">chars</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::Char</span>(<span class="string">&#39;+&#39;</span>), <span class="ident">lex</span>.<span class="ident">gettok</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::Identifier</span>(<span class="string">&quot;a&quot;</span>.<span class="ident">into</span>()), <span class="ident">lex</span>.<span class="ident">gettok</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::Identifier</span>(<span class="string">&quot;b&quot;</span>.<span class="ident">into</span>()), <span class="ident">lex</span>.<span class="ident">gettok</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::Identifier</span>(<span class="string">&quot;c&quot;</span>.<span class="ident">into</span>()), <span class="ident">lex</span>.<span class="ident">gettok</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::Char</span>(<span class="string">&#39;!&#39;</span>), <span class="ident">lex</span>.<span class="ident">gettok</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::Eof</span>, <span class="ident">lex</span>.<span class="ident">gettok</span>());
+
+ <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">lex</span> <span class="op">=</span> <span class="ident">Lexer::new</span>(<span class="string">&quot;\n a \n\r b \r \n c \r\r \n &quot;</span>.<span class="ident">chars</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::Identifier</span>(<span class="string">&quot;a&quot;</span>.<span class="ident">into</span>()), <span class="ident">lex</span>.<span class="ident">gettok</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::Identifier</span>(<span class="string">&quot;b&quot;</span>.<span class="ident">into</span>()), <span class="ident">lex</span>.<span class="ident">gettok</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::Identifier</span>(<span class="string">&quot;c&quot;</span>.<span class="ident">into</span>()), <span class="ident">lex</span>.<span class="ident">gettok</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::Eof</span>, <span class="ident">lex</span>.<span class="ident">gettok</span>());
+ }
+}
+</pre></div>
+</section><section id="search" class="content hidden"></section><div id="rustdoc-vars" data-root-path="../../" data-current-crate="llvm_kaleidoscope_rs" data-search-index-js="../../search-index.js" data-search-js="../../search.js"></div><script src="../../main.js"></script><script src="../../source-script.js"></script><script src="../../source-files.js"></script></body></html> \ No newline at end of file
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 03:40:09 +0000