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Diffstat (limited to 'src/llvm_kaleidoscope_rs/codegen.rs.html')
| -rw-r--r-- | src/llvm_kaleidoscope_rs/codegen.rs.html | 596 |
1 files changed, 460 insertions, 136 deletions
diff --git a/src/llvm_kaleidoscope_rs/codegen.rs.html b/src/llvm_kaleidoscope_rs/codegen.rs.html index e94ac8d..44ee848 100644 --- a/src/llvm_kaleidoscope_rs/codegen.rs.html +++ b/src/llvm_kaleidoscope_rs/codegen.rs.html @@ -1,102 +1,108 @@ -<!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/codegen.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>codegen.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 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src="../../brush.svg"></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 width="18" height="18" alt="Change settings" src="../../wheel.svg"></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> +<!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/codegen.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>codegen.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><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="../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="../../source-script.js"></script><script defer src="../../source-files.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.svg"></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="mobile-topbar"><button class="sidebar-menu-toggle">☰</button><a class="sidebar-logo" href="../../llvm_kaleidoscope_rs/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div> + </a><h2 class="location"></h2> + </nav> + <nav class="sidebar"><a class="sidebar-logo" href="../../llvm_kaleidoscope_rs/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div> + </a></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../llvm_kaleidoscope_rs/index.html"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><button type="button" id="help-button" title="help">?</button><div id="settings-menu" tabindex="-1"> + <a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div> + </div></form></nav></div><section id="main-content" 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> @@ -160,12 +166,171 @@ <span id="160">160</span> <span id="161">161</span> <span id="162">162</span> -</pre><pre class="rust"> -<span class="kw">use</span> <span class="ident">std::collections::HashMap</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> +<span id="182">182</span> +<span id="183">183</span> +<span id="184">184</span> +<span id="185">185</span> +<span id="186">186</span> +<span id="187">187</span> +<span id="188">188</span> +<span id="189">189</span> +<span id="190">190</span> +<span id="191">191</span> +<span id="192">192</span> +<span id="193">193</span> +<span id="194">194</span> +<span id="195">195</span> +<span id="196">196</span> +<span id="197">197</span> +<span id="198">198</span> +<span id="199">199</span> +<span id="200">200</span> +<span id="201">201</span> +<span id="202">202</span> +<span id="203">203</span> +<span id="204">204</span> +<span id="205">205</span> +<span id="206">206</span> +<span id="207">207</span> +<span id="208">208</span> +<span id="209">209</span> +<span id="210">210</span> +<span id="211">211</span> +<span id="212">212</span> +<span id="213">213</span> +<span id="214">214</span> +<span id="215">215</span> +<span id="216">216</span> +<span id="217">217</span> +<span id="218">218</span> +<span id="219">219</span> +<span id="220">220</span> +<span id="221">221</span> +<span id="222">222</span> +<span id="223">223</span> +<span id="224">224</span> +<span id="225">225</span> +<span id="226">226</span> +<span id="227">227</span> +<span id="228">228</span> +<span id="229">229</span> +<span id="230">230</span> +<span id="231">231</span> +<span id="232">232</span> +<span id="233">233</span> +<span id="234">234</span> +<span id="235">235</span> +<span id="236">236</span> +<span id="237">237</span> +<span id="238">238</span> +<span id="239">239</span> +<span id="240">240</span> +<span id="241">241</span> +<span id="242">242</span> +<span id="243">243</span> +<span id="244">244</span> +<span id="245">245</span> +<span id="246">246</span> +<span id="247">247</span> +<span id="248">248</span> +<span id="249">249</span> +<span id="250">250</span> +<span id="251">251</span> +<span id="252">252</span> +<span id="253">253</span> +<span id="254">254</span> +<span id="255">255</span> +<span id="256">256</span> +<span id="257">257</span> +<span id="258">258</span> +<span id="259">259</span> +<span id="260">260</span> +<span id="261">261</span> +<span id="262">262</span> +<span id="263">263</span> +<span id="264">264</span> +<span id="265">265</span> +<span id="266">266</span> +<span id="267">267</span> +<span id="268">268</span> +<span id="269">269</span> +<span id="270">270</span> +<span id="271">271</span> +<span id="272">272</span> +<span id="273">273</span> +<span id="274">274</span> +<span id="275">275</span> +<span id="276">276</span> +<span id="277">277</span> +<span id="278">278</span> +<span id="279">279</span> +<span id="280">280</span> +<span id="281">281</span> +<span id="282">282</span> +<span id="283">283</span> +<span id="284">284</span> +<span id="285">285</span> +<span id="286">286</span> +<span id="287">287</span> +<span id="288">288</span> +<span id="289">289</span> +<span id="290">290</span> +<span id="291">291</span> +<span id="292">292</span> +<span id="293">293</span> +<span id="294">294</span> +<span id="295">295</span> +<span id="296">296</span> +<span id="297">297</span> +<span id="298">298</span> +<span id="299">299</span> +<span id="300">300</span> +<span id="301">301</span> +<span id="302">302</span> +<span id="303">303</span> +<span id="304">304</span> +<span id="305">305</span> +<span id="306">306</span> +<span id="307">307</span> +<span id="308">308</span> +<span id="309">309</span> +<span id="310">310</span> +<span id="311">311</span> +<span id="312">312</span> +<span id="313">313</span> +<span id="314">314</span> +<span id="315">315</span> +<span id="316">316</span> +<span id="317">317</span> +<span id="318">318</span> +<span id="319">319</span> +<span id="320">320</span> +<span id="321">321</span> +<span id="322">322</span> +</pre><pre class="rust"><code><span class="kw">use</span> <span class="ident">std::collections::HashMap</span>; -<span class="kw">use</span> <span class="kw">crate</span><span class="ident">::llvm</span>::{<span class="ident">FnValue</span>, <span class="ident">FunctionPassManager</span>, <span class="ident">IRBuilder</span>, <span class="ident">Module</span>, <span class="ident">Value</span>}; -<span class="kw">use</span> <span class="kw">crate</span><span class="ident">::parser</span>::{<span class="ident">ExprAST</span>, <span class="ident">FunctionAST</span>, <span class="ident">PrototypeAST</span>}; -<span class="kw">use</span> <span class="kw">crate</span><span class="ident">::Either</span>; +<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::llvm</span>::{<span class="ident">FnValue</span>, <span class="ident">FunctionPassManager</span>, <span class="ident">IRBuilder</span>, <span class="ident">Module</span>, <span class="ident">Value</span>}; +<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::parser</span>::{<span class="ident">ExprAST</span>, <span class="ident">FunctionAST</span>, <span class="ident">PrototypeAST</span>}; +<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::Either</span>; <span class="kw">type</span> <span class="ident">CodegenResult</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> <span class="op">=</span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">T</span>, <span class="ident">String</span><span class="op">></span>; @@ -181,9 +346,9 @@ <span class="doccomment">/// Compile either a [`PrototypeAST`] or a [`FunctionAST`] into the LLVM `module`.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">compile</span>( <span class="ident">module</span>: <span class="kw-2">&</span><span class="lifetime">'llvm</span> <span class="ident">Module</span>, - <span class="ident">fn_protos</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">HashMap</span><span class="op"><</span><span class="ident">String</span>, <span class="ident">PrototypeAST</span><span class="op">></span>, + <span class="ident">fn_protos</span>: <span class="kw-2">&mut</span> <span class="ident">HashMap</span><span class="op"><</span><span class="ident">String</span>, <span class="ident">PrototypeAST</span><span class="op">></span>, <span class="ident">compilee</span>: <span class="ident">Either</span><span class="op"><</span><span class="kw-2">&</span><span class="ident">PrototypeAST</span>, <span class="kw-2">&</span><span class="ident">FunctionAST</span><span class="op">></span>, - ) <span class="op">-</span><span class="op">></span> <span class="ident">CodegenResult</span><span class="op"><</span><span class="ident">FnValue</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span><span class="op">></span> { + ) -> <span class="ident">CodegenResult</span><span class="op"><</span><span class="ident">FnValue</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span><span class="op">></span> { <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">cg</span> <span class="op">=</span> <span class="ident">Codegen</span> { <span class="ident">module</span>, <span class="ident">builder</span>: <span class="kw-2">&</span><span class="ident">IRBuilder::with_ctx</span>(<span class="ident">module</span>), @@ -193,40 +358,40 @@ <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">variables</span> <span class="op">=</span> <span class="ident">HashMap::new</span>(); <span class="kw">match</span> <span class="ident">compilee</span> { - <span class="ident">Either::A</span>(<span class="ident">proto</span>) <span class="op">=</span><span class="op">></span> <span class="prelude-val">Ok</span>(<span class="ident">cg</span>.<span class="ident">codegen_prototype</span>(<span class="ident">proto</span>)), - <span class="ident">Either::B</span>(<span class="ident">func</span>) <span class="op">=</span><span class="op">></span> <span class="ident">cg</span>.<span class="ident">codegen_function</span>(<span class="ident">func</span>, <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">variables</span>), + <span class="ident">Either::A</span>(<span class="ident">proto</span>) => <span class="prelude-val">Ok</span>(<span class="ident">cg</span>.<span class="ident">codegen_prototype</span>(<span class="ident">proto</span>)), + <span class="ident">Either::B</span>(<span class="ident">func</span>) => <span class="ident">cg</span>.<span class="ident">codegen_function</span>(<span class="ident">func</span>, <span class="kw-2">&mut</span> <span class="ident">variables</span>), } } <span class="kw">fn</span> <span class="ident">codegen_expr</span>( <span class="kw-2">&</span><span class="self">self</span>, <span class="ident">expr</span>: <span class="kw-2">&</span><span class="ident">ExprAST</span>, - <span class="ident">named_values</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">HashMap</span><span class="op"><</span><span class="kw-2">&</span><span class="lifetime">'llvm</span> <span class="ident">str</span>, <span class="ident">Value</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span><span class="op">></span>, - ) <span class="op">-</span><span class="op">></span> <span class="ident">CodegenResult</span><span class="op"><</span><span class="ident">Value</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span><span class="op">></span> { + <span class="ident">named_values</span>: <span class="kw-2">&mut</span> <span class="ident">HashMap</span><span class="op"><</span><span class="ident">String</span>, <span class="ident">Value</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span><span class="op">></span>, + ) -> <span class="ident">CodegenResult</span><span class="op"><</span><span class="ident">Value</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span><span class="op">></span> { <span class="kw">match</span> <span class="ident">expr</span> { - <span class="ident">ExprAST::Number</span>(<span class="ident">num</span>) <span class="op">=</span><span class="op">></span> <span class="prelude-val">Ok</span>(<span class="self">self</span>.<span class="ident">module</span>.<span class="ident">type_f64</span>().<span class="ident">const_f64</span>(<span class="kw-2">*</span><span class="ident">num</span>)), - <span class="ident">ExprAST::Variable</span>(<span class="ident">name</span>) <span class="op">=</span><span class="op">></span> <span class="kw">match</span> <span class="ident">named_values</span>.<span class="ident">get</span>(<span class="ident">name</span>.<span class="ident">as_str</span>()) { - <span class="prelude-val">Some</span>(<span class="ident">value</span>) <span class="op">=</span><span class="op">></span> <span class="prelude-val">Ok</span>(<span class="kw-2">*</span><span class="ident">value</span>), - <span class="prelude-val">None</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Err</span>(<span class="string">"Unknown variable name"</span>.<span class="ident">into</span>()), + <span class="ident">ExprAST::Number</span>(<span class="ident">num</span>) => <span class="prelude-val">Ok</span>(<span class="self">self</span>.<span class="ident">module</span>.<span class="ident">type_f64</span>().<span class="ident">const_f64</span>(<span class="kw-2">*</span><span class="ident">num</span>)), + <span class="ident">ExprAST::Variable</span>(<span class="ident">name</span>) => <span class="kw">match</span> <span class="ident">named_values</span>.<span class="ident">get</span>(<span class="ident">name</span>.<span class="ident">as_str</span>()) { + <span class="prelude-val">Some</span>(<span class="ident">value</span>) => <span class="prelude-val">Ok</span>(<span class="kw-2">*</span><span class="ident">value</span>), + <span class="prelude-val">None</span> => <span class="prelude-val">Err</span>(<span class="string">"Unknown variable name"</span>.<span class="ident">into</span>()), }, - <span class="ident">ExprAST::Binary</span>(<span class="ident">binop</span>, <span class="ident">lhs</span>, <span class="ident">rhs</span>) <span class="op">=</span><span class="op">></span> { + <span class="ident">ExprAST::Binary</span>(<span class="ident">binop</span>, <span class="ident">lhs</span>, <span class="ident">rhs</span>) => { <span class="kw">let</span> <span class="ident">l</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">codegen_expr</span>(<span class="ident">lhs</span>, <span class="ident">named_values</span>)<span class="question-mark">?</span>; <span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">codegen_expr</span>(<span class="ident">rhs</span>, <span class="ident">named_values</span>)<span class="question-mark">?</span>; <span class="kw">match</span> <span class="ident">binop</span> { - <span class="string">'+'</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Ok</span>(<span class="self">self</span>.<span class="ident">builder</span>.<span class="ident">fadd</span>(<span class="ident">l</span>, <span class="ident">r</span>)), - <span class="string">'-'</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Ok</span>(<span class="self">self</span>.<span class="ident">builder</span>.<span class="ident">fsub</span>(<span class="ident">l</span>, <span class="ident">r</span>)), - <span class="string">'*'</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Ok</span>(<span class="self">self</span>.<span class="ident">builder</span>.<span class="ident">fmul</span>(<span class="ident">l</span>, <span class="ident">r</span>)), - <span class="string">'<'</span> <span class="op">=</span><span class="op">></span> { + <span class="string">'+'</span> => <span class="prelude-val">Ok</span>(<span class="self">self</span>.<span class="ident">builder</span>.<span class="ident">fadd</span>(<span class="ident">l</span>, <span class="ident">r</span>)), + <span class="string">'-'</span> => <span class="prelude-val">Ok</span>(<span class="self">self</span>.<span class="ident">builder</span>.<span class="ident">fsub</span>(<span class="ident">l</span>, <span class="ident">r</span>)), + <span class="string">'*'</span> => <span class="prelude-val">Ok</span>(<span class="self">self</span>.<span class="ident">builder</span>.<span class="ident">fmul</span>(<span class="ident">l</span>, <span class="ident">r</span>)), + <span class="string">'<'</span> => { <span class="kw">let</span> <span class="ident">res</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">builder</span>.<span class="ident">fcmpult</span>(<span class="ident">l</span>, <span class="ident">r</span>); <span class="comment">// Turn bool into f64.</span> <span class="prelude-val">Ok</span>(<span class="self">self</span>.<span class="ident">builder</span>.<span class="ident">uitofp</span>(<span class="ident">res</span>, <span class="self">self</span>.<span class="ident">module</span>.<span class="ident">type_f64</span>())) } - <span class="kw">_</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Err</span>(<span class="string">"invalid binary operator"</span>.<span class="ident">into</span>()), + <span class="kw">_</span> => <span class="prelude-val">Err</span>(<span class="string">"invalid binary operator"</span>.<span class="ident">into</span>()), } } - <span class="ident">ExprAST::Call</span>(<span class="ident">callee</span>, <span class="ident">args</span>) <span class="op">=</span><span class="op">></span> <span class="kw">match</span> <span class="self">self</span>.<span class="ident">get_function</span>(<span class="ident">callee</span>) { - <span class="prelude-val">Some</span>(<span class="ident">callee</span>) <span class="op">=</span><span class="op">></span> { + <span class="ident">ExprAST::Call</span>(<span class="ident">callee</span>, <span class="ident">args</span>) => <span class="kw">match</span> <span class="self">self</span>.<span class="ident">get_function</span>(<span class="ident">callee</span>) { + <span class="prelude-val">Some</span>(<span class="ident">callee</span>) => { <span class="kw">if</span> <span class="ident">callee</span>.<span class="ident">args</span>() <span class="op">!</span><span class="op">=</span> <span class="ident">args</span>.<span class="ident">len</span>() { <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="string">"Incorrect # arguments passed"</span>.<span class="ident">into</span>()); } @@ -237,21 +402,181 @@ .<span class="ident">map</span>(<span class="op">|</span><span class="ident">arg</span><span class="op">|</span> <span class="self">self</span>.<span class="ident">codegen_expr</span>(<span class="ident">arg</span>, <span class="ident">named_values</span>)) .<span class="ident">collect</span>::<span class="op"><</span><span class="ident">CodegenResult</span><span class="op"><</span><span class="kw">_</span><span class="op">></span><span class="op">></span>()<span class="question-mark">?</span>; - <span class="prelude-val">Ok</span>(<span class="self">self</span>.<span class="ident">builder</span>.<span class="ident">call</span>(<span class="ident">callee</span>, <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">args</span>)) + <span class="prelude-val">Ok</span>(<span class="self">self</span>.<span class="ident">builder</span>.<span class="ident">call</span>(<span class="ident">callee</span>, <span class="kw-2">&mut</span> <span class="ident">args</span>)) } - <span class="prelude-val">None</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Err</span>(<span class="string">"Unknown function referenced"</span>.<span class="ident">into</span>()), + <span class="prelude-val">None</span> => <span class="prelude-val">Err</span>(<span class="string">"Unknown function referenced"</span>.<span class="ident">into</span>()), }, + <span class="ident">ExprAST::If</span> { <span class="ident">cond</span>, <span class="ident">then</span>, <span class="ident">else_</span> } => { + <span class="comment">// For 'if' expressions we are building the following CFG.</span> + <span class="comment">//</span> + <span class="comment">// ; cond</span> + <span class="comment">// br</span> + <span class="comment">// |</span> + <span class="comment">// +-----+------+</span> + <span class="comment">// v v</span> + <span class="comment">// ; then ; else</span> + <span class="comment">// | |</span> + <span class="comment">// +-----+------+</span> + <span class="comment">// v</span> + <span class="comment">// ; merge</span> + <span class="comment">// phi then, else</span> + <span class="comment">// ret phi</span> + + <span class="kw">let</span> <span class="ident">cond_v</span> <span class="op">=</span> { + <span class="comment">// Codgen 'cond' expression.</span> + <span class="kw">let</span> <span class="ident">v</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">codegen_expr</span>(<span class="ident">cond</span>, <span class="ident">named_values</span>)<span class="question-mark">?</span>; + <span class="comment">// Compare 'v' against '0' as 'one = ordered not equal'.</span> + <span class="self">self</span>.<span class="ident">builder</span> + .<span class="ident">fcmpone</span>(<span class="ident">v</span>, <span class="self">self</span>.<span class="ident">module</span>.<span class="ident">type_f64</span>().<span class="ident">const_f64</span>(<span class="number">0f64</span>)) + }; + + <span class="comment">// Get the function we are currently inserting into.</span> + <span class="kw">let</span> <span class="ident">the_function</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">builder</span>.<span class="ident">get_insert_block</span>().<span class="ident">get_parent</span>(); + + <span class="comment">// Create basic blocks for the 'then' / 'else' expressions as well as the return</span> + <span class="comment">// instruction ('merge').</span> + <span class="comment">//</span> + <span class="comment">// Append the 'then' basic block to the function, don't insert the 'else' and</span> + <span class="comment">// 'merge' basic blocks yet.</span> + <span class="kw">let</span> <span class="ident">then_bb</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">module</span>.<span class="ident">append_basic_block</span>(<span class="ident">the_function</span>); + <span class="kw">let</span> <span class="ident">else_bb</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">module</span>.<span class="ident">create_basic_block</span>(); + <span class="kw">let</span> <span class="ident">merge_bb</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">module</span>.<span class="ident">create_basic_block</span>(); + + <span class="comment">// Create a conditional branch based on the result of the 'cond' expression.</span> + <span class="self">self</span>.<span class="ident">builder</span>.<span class="ident">cond_br</span>(<span class="ident">cond_v</span>, <span class="ident">then_bb</span>, <span class="ident">else_bb</span>); + + <span class="comment">// Move to 'then' basic block and codgen the 'then' expression.</span> + <span class="self">self</span>.<span class="ident">builder</span>.<span class="ident">pos_at_end</span>(<span class="ident">then_bb</span>); + <span class="kw">let</span> <span class="ident">then_v</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">codegen_expr</span>(<span class="ident">then</span>, <span class="ident">named_values</span>)<span class="question-mark">?</span>; + <span class="comment">// Create unconditional branch to 'merge' block.</span> + <span class="self">self</span>.<span class="ident">builder</span>.<span class="ident">br</span>(<span class="ident">merge_bb</span>); + <span class="comment">// Update reference to current basic block (in case the 'then' expression added new</span> + <span class="comment">// basic blocks).</span> + <span class="kw">let</span> <span class="ident">then_bb</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">builder</span>.<span class="ident">get_insert_block</span>(); + + <span class="comment">// Now append the 'else' basic block to the function.</span> + <span class="ident">the_function</span>.<span class="ident">append_basic_block</span>(<span class="ident">else_bb</span>); + <span class="comment">// Move to 'else' basic block and codgen the 'else' expression.</span> + <span class="self">self</span>.<span class="ident">builder</span>.<span class="ident">pos_at_end</span>(<span class="ident">else_bb</span>); + <span class="kw">let</span> <span class="ident">else_v</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">codegen_expr</span>(<span class="ident">else_</span>, <span class="ident">named_values</span>)<span class="question-mark">?</span>; + <span class="comment">// Create unconditional branch to 'merge' block.</span> + <span class="self">self</span>.<span class="ident">builder</span>.<span class="ident">br</span>(<span class="ident">merge_bb</span>); + <span class="comment">// Update reference to current basic block (in case the 'else' expression added new</span> + <span class="comment">// basic blocks).</span> + <span class="kw">let</span> <span class="ident">else_bb</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">builder</span>.<span class="ident">get_insert_block</span>(); + + <span class="comment">// Now append the 'merge' basic block to the function.</span> + <span class="ident">the_function</span>.<span class="ident">append_basic_block</span>(<span class="ident">merge_bb</span>); + <span class="comment">// Move to 'merge' basic block.</span> + <span class="self">self</span>.<span class="ident">builder</span>.<span class="ident">pos_at_end</span>(<span class="ident">merge_bb</span>); + <span class="comment">// Codegen the phi node returning the appropriate value depending on the branch</span> + <span class="comment">// condition.</span> + <span class="kw">let</span> <span class="ident">phi</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">builder</span>.<span class="ident">phi</span>( + <span class="self">self</span>.<span class="ident">module</span>.<span class="ident">type_f64</span>(), + <span class="kw-2">&</span>[(<span class="ident">then_v</span>, <span class="ident">then_bb</span>), (<span class="ident">else_v</span>, <span class="ident">else_bb</span>)], + ); + + <span class="prelude-val">Ok</span>(<span class="kw-2">*</span><span class="ident">phi</span>) + } + <span class="ident">ExprAST::For</span> { + <span class="ident">var</span>, + <span class="ident">start</span>, + <span class="ident">end</span>, + <span class="ident">step</span>, + <span class="ident">body</span>, + } => { + <span class="comment">// For 'for' expression we build the following structure.</span> + <span class="comment">//</span> + <span class="comment">// entry:</span> + <span class="comment">// init = start expression</span> + <span class="comment">// br loop</span> + <span class="comment">// loop:</span> + <span class="comment">// i = phi [%init, %entry], [%new_i, %loop]</span> + <span class="comment">// ; loop body ...</span> + <span class="comment">// new_i = increment %i by step expression</span> + <span class="comment">// ; check end condition and branch</span> + <span class="comment">// end:</span> + + <span class="comment">// Compute initial value for the loop variable.</span> + <span class="kw">let</span> <span class="ident">start_val</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">codegen_expr</span>(<span class="ident">start</span>, <span class="ident">named_values</span>)<span class="question-mark">?</span>; + + <span class="kw">let</span> <span class="ident">the_function</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">builder</span>.<span class="ident">get_insert_block</span>().<span class="ident">get_parent</span>(); + <span class="comment">// Get current basic block (used in the loop variable phi node).</span> + <span class="kw">let</span> <span class="ident">entry_bb</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">builder</span>.<span class="ident">get_insert_block</span>(); + <span class="comment">// Add new basic block to emit loop body.</span> + <span class="kw">let</span> <span class="ident">loop_bb</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">module</span>.<span class="ident">append_basic_block</span>(<span class="ident">the_function</span>); + + <span class="self">self</span>.<span class="ident">builder</span>.<span class="ident">br</span>(<span class="ident">loop_bb</span>); + <span class="self">self</span>.<span class="ident">builder</span>.<span class="ident">pos_at_end</span>(<span class="ident">loop_bb</span>); + + <span class="comment">// Build phi not to pick loop variable in case we come from the 'entry' block.</span> + <span class="comment">// Which is the case when we enter the loop for the first time.</span> + <span class="comment">// We will add another incoming value once we computed the updated loop variable</span> + <span class="comment">// below.</span> + <span class="kw">let</span> <span class="ident">variable</span> <span class="op">=</span> <span class="self">self</span> + .<span class="ident">builder</span> + .<span class="ident">phi</span>(<span class="self">self</span>.<span class="ident">module</span>.<span class="ident">type_f64</span>(), <span class="kw-2">&</span>[(<span class="ident">start_val</span>, <span class="ident">entry_bb</span>)]); + + <span class="comment">// Insert the loop variable into the named values map that it can be referenced</span> + <span class="comment">// from the body as well as the end condition.</span> + <span class="comment">// In case the loop variable shadows an existing variable remember the shared one.</span> + <span class="kw">let</span> <span class="ident">old_val</span> <span class="op">=</span> <span class="ident">named_values</span>.<span class="ident">insert</span>(<span class="ident">var</span>.<span class="ident">into</span>(), <span class="kw-2">*</span><span class="ident">variable</span>); + + <span class="comment">// Generate the loop body.</span> + <span class="self">self</span>.<span class="ident">codegen_expr</span>(<span class="ident">body</span>, <span class="ident">named_values</span>)<span class="question-mark">?</span>; + + <span class="comment">// Generate step value expression if available else use '1'.</span> + <span class="kw">let</span> <span class="ident">step_val</span> <span class="op">=</span> <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">step</span>) <span class="op">=</span> <span class="ident">step</span> { + <span class="self">self</span>.<span class="ident">codegen_expr</span>(<span class="ident">step</span>, <span class="ident">named_values</span>)<span class="question-mark">?</span> + } <span class="kw">else</span> { + <span class="self">self</span>.<span class="ident">module</span>.<span class="ident">type_f64</span>().<span class="ident">const_f64</span>(<span class="number">1f64</span>) + }; + + <span class="comment">// Increment loop variable.</span> + <span class="kw">let</span> <span class="ident">next_var</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">builder</span>.<span class="ident">fadd</span>(<span class="kw-2">*</span><span class="ident">variable</span>, <span class="ident">step_val</span>); + + <span class="comment">// Generate the loop end condition.</span> + <span class="kw">let</span> <span class="ident">end_cond</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">codegen_expr</span>(<span class="ident">end</span>, <span class="ident">named_values</span>)<span class="question-mark">?</span>; + <span class="kw">let</span> <span class="ident">end_cond</span> <span class="op">=</span> <span class="self">self</span> + .<span class="ident">builder</span> + .<span class="ident">fcmpone</span>(<span class="ident">end_cond</span>, <span class="self">self</span>.<span class="ident">module</span>.<span class="ident">type_f64</span>().<span class="ident">const_f64</span>(<span class="number">0f64</span>)); + + <span class="comment">// Get current basic block.</span> + <span class="kw">let</span> <span class="ident">loop_end_bb</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">builder</span>.<span class="ident">get_insert_block</span>(); + <span class="comment">// Add new basic block following the loop.</span> + <span class="kw">let</span> <span class="ident">after_bb</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">module</span>.<span class="ident">append_basic_block</span>(<span class="ident">the_function</span>); + + <span class="comment">// Register additional incoming value for the loop variable. This will choose the</span> + <span class="comment">// updated loop variable if we are iterating in the loop.</span> + <span class="ident">variable</span>.<span class="ident">add_incoming</span>(<span class="ident">next_var</span>, <span class="ident">loop_end_bb</span>); + + <span class="comment">// Branch depending on the loop end condition.</span> + <span class="self">self</span>.<span class="ident">builder</span>.<span class="ident">cond_br</span>(<span class="ident">end_cond</span>, <span class="ident">loop_bb</span>, <span class="ident">after_bb</span>); + + <span class="self">self</span>.<span class="ident">builder</span>.<span class="ident">pos_at_end</span>(<span class="ident">after_bb</span>); + + <span class="comment">// Restore the shadowed variable if there was one.</span> + <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">old_val</span>) <span class="op">=</span> <span class="ident">old_val</span> { + <span class="comment">// We inserted 'var' above so it must exist.</span> + <span class="kw-2">*</span><span class="ident">named_values</span>.<span class="ident">get_mut</span>(<span class="ident">var</span>).<span class="ident">unwrap</span>() <span class="op">=</span> <span class="ident">old_val</span>; + } <span class="kw">else</span> { + <span class="ident">named_values</span>.<span class="ident">remove</span>(<span class="ident">var</span>); + } + + <span class="comment">// Loops just always return 0.</span> + <span class="prelude-val">Ok</span>(<span class="self">self</span>.<span class="ident">module</span>.<span class="ident">type_f64</span>().<span class="ident">const_f64</span>(<span class="number">0f64</span>)) + } } } - <span class="kw">fn</span> <span class="ident">codegen_prototype</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">PrototypeAST</span>(<span class="ident">name</span>, <span class="ident">args</span>): <span class="kw-2">&</span><span class="ident">PrototypeAST</span>) <span class="op">-</span><span class="op">></span> <span class="ident">FnValue</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span> { + <span class="kw">fn</span> <span class="ident">codegen_prototype</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">PrototypeAST</span>(<span class="ident">name</span>, <span class="ident">args</span>): <span class="kw-2">&</span><span class="ident">PrototypeAST</span>) -> <span class="ident">FnValue</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span> { <span class="kw">let</span> <span class="ident">type_f64</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">module</span>.<span class="ident">type_f64</span>(); <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">doubles</span> <span class="op">=</span> <span class="ident">Vec::new</span>(); <span class="ident">doubles</span>.<span class="ident">resize</span>(<span class="ident">args</span>.<span class="ident">len</span>(), <span class="ident">type_f64</span>); <span class="comment">// Build the function type: fn(f64, f64, ..) -> f64</span> - <span class="kw">let</span> <span class="ident">ft</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">module</span>.<span class="ident">type_fn</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">doubles</span>, <span class="ident">type_f64</span>); + <span class="kw">let</span> <span class="ident">ft</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">module</span>.<span class="ident">type_fn</span>(<span class="kw-2">&mut</span> <span class="ident">doubles</span>, <span class="ident">type_f64</span>); <span class="comment">// Create the function declaration.</span> <span class="kw">let</span> <span class="ident">f</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">module</span>.<span class="ident">add_fn</span>(<span class="ident">name</span>, <span class="ident">ft</span>); @@ -265,10 +590,10 @@ } <span class="kw">fn</span> <span class="ident">codegen_function</span>( - <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, + <span class="kw-2">&mut</span> <span class="self">self</span>, <span class="ident">FunctionAST</span>(<span class="ident">proto</span>, <span class="ident">body</span>): <span class="kw-2">&</span><span class="ident">FunctionAST</span>, - <span class="ident">named_values</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">HashMap</span><span class="op"><</span><span class="kw-2">&</span><span class="lifetime">'llvm</span> <span class="ident">str</span>, <span class="ident">Value</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span><span class="op">></span>, - ) <span class="op">-</span><span class="op">></span> <span class="ident">CodegenResult</span><span class="op"><</span><span class="ident">FnValue</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span><span class="op">></span> { + <span class="ident">named_values</span>: <span class="kw-2">&mut</span> <span class="ident">HashMap</span><span class="op"><</span><span class="ident">String</span>, <span class="ident">Value</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span><span class="op">></span>, + ) -> <span class="ident">CodegenResult</span><span class="op"><</span><span class="ident">FnValue</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span><span class="op">></span> { <span class="comment">// Insert the function prototype into the `fn_protos` map to keep track for re-generating</span> <span class="comment">// declarations in other modules.</span> <span class="self">self</span>.<span class="ident">fn_protos</span>.<span class="ident">insert</span>(<span class="ident">proto</span>.<span class="number">0</span>.<span class="ident">clone</span>(), <span class="ident">proto</span>.<span class="ident">clone</span>()); @@ -290,7 +615,7 @@ <span class="comment">// Update the map with the current functions args.</span> <span class="kw">for</span> <span class="ident">idx</span> <span class="kw">in</span> <span class="number">0</span>..<span class="ident">the_function</span>.<span class="ident">args</span>() { <span class="kw">let</span> <span class="ident">arg</span> <span class="op">=</span> <span class="ident">the_function</span>.<span class="ident">arg</span>(<span class="ident">idx</span>); - <span class="ident">named_values</span>.<span class="ident">insert</span>(<span class="ident">arg</span>.<span class="ident">get_name</span>(), <span class="ident">arg</span>); + <span class="ident">named_values</span>.<span class="ident">insert</span>(<span class="ident">arg</span>.<span class="ident">get_name</span>().<span class="ident">into</span>(), <span class="ident">arg</span>); } <span class="comment">// Codegen function body.</span> @@ -311,10 +636,10 @@ <span class="doccomment">/// If the function is not available in the module, check if the prototype is known and codegen</span> <span class="doccomment">/// it.</span> <span class="doccomment">/// Return [`None`] if the prototype is not known.</span> - <span class="kw">fn</span> <span class="ident">get_function</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">name</span>: <span class="kw-2">&</span><span class="ident">str</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">FnValue</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span><span class="op">></span> { + <span class="kw">fn</span> <span class="ident">get_function</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">name</span>: <span class="kw-2">&</span><span class="ident">str</span>) -> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">FnValue</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span><span class="op">></span> { <span class="kw">let</span> <span class="ident">callee</span> <span class="op">=</span> <span class="kw">match</span> <span class="self">self</span>.<span class="ident">module</span>.<span class="ident">get_fn</span>(<span class="ident">name</span>) { - <span class="prelude-val">Some</span>(<span class="ident">callee</span>) <span class="op">=</span><span class="op">></span> <span class="ident">callee</span>, - <span class="prelude-val">None</span> <span class="op">=</span><span class="op">></span> { + <span class="prelude-val">Some</span>(<span class="ident">callee</span>) => <span class="ident">callee</span>, + <span class="prelude-val">None</span> => { <span class="kw">let</span> <span class="ident">proto</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">fn_protos</span>.<span class="ident">get</span>(<span class="ident">name</span>)<span class="question-mark">?</span>; <span class="self">self</span>.<span class="ident">codegen_prototype</span>(<span class="ident">proto</span>) } @@ -323,7 +648,6 @@ <span class="prelude-val">Some</span>(<span class="ident">callee</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> +</code></pre></div> +</section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="llvm_kaleidoscope_rs" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.63.0 (4b91a6ea7 2022-08-08)" ></div> </body></html>
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