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authorjohannst <johannst@users.noreply.github.com>2022-09-24 22:38:40 +0000
committerjohannst <johannst@users.noreply.github.com>2022-09-24 22:38:40 +0000
commit73e25a571f12d3deaa6f4493a5b4792a9dae39eb (patch)
treed34d13ad7917ad94433e1378dceff6fcccd2718a /src/llvm_kaleidoscope_rs/lexer.rs.html
parent559c9ddd6079b2313c196866215133b926d07d34 (diff)
downloadllvm-kaleidoscope-rs-73e25a571f12d3deaa6f4493a5b4792a9dae39eb.tar.gz
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deploy: 295081130ca1eed6e67dfc035e2df2c9ed49b174
Diffstat (limited to 'src/llvm_kaleidoscope_rs/lexer.rs.html')
-rw-r--r--src/llvm_kaleidoscope_rs/lexer.rs.html286
1 files changed, 170 insertions, 116 deletions
diff --git a/src/llvm_kaleidoscope_rs/lexer.rs.html b/src/llvm_kaleidoscope_rs/lexer.rs.html
index 4b13fd9..2249ba0 100644
--- a/src/llvm_kaleidoscope_rs/lexer.rs.html
+++ b/src/llvm_kaleidoscope_rs/lexer.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&#x2F;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 width="18" height="18" alt="Pick another theme!" 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>
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+<!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="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">&#9776;</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>
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@@ -179,8 +185,32 @@
<span id="179">179</span>
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-</pre><pre class="rust">
-<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Debug</span>, <span class="ident">PartialEq</span>)]</span>
+<span id="182">182</span>
+<span id="183">183</span>
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+</pre><pre class="rust"><code><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>,
@@ -188,6 +218,11 @@
<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="ident">If</span>,
+ <span class="ident">Then</span>,
+ <span class="ident">Else</span>,
+ <span class="ident">For</span>,
+ <span class="ident">In</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>
@@ -202,12 +237,12 @@
<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">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>) -&gt; <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="kw">fn</span> <span class="ident">step</span>(<span class="kw-2">&amp;mut</span> <span class="self">self</span>) -&gt; <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>
}
@@ -215,7 +250,7 @@
<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="kw">pub</span> <span class="kw">fn</span> <span class="ident">gettok</span>(<span class="kw-2">&amp;mut</span> <span class="self">self</span>) -&gt; <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>();
@@ -242,21 +277,26 @@
}
<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="string">&quot;def&quot;</span> =&gt; <span class="kw">return</span> <span class="ident">Token::Def</span>,
+ <span class="string">&quot;extern&quot;</span> =&gt; <span class="kw">return</span> <span class="ident">Token::Extern</span>,
+ <span class="string">&quot;if&quot;</span> =&gt; <span class="kw">return</span> <span class="ident">Token::If</span>,
+ <span class="string">&quot;then&quot;</span> =&gt; <span class="kw">return</span> <span class="ident">Token::Then</span>,
+ <span class="string">&quot;else&quot;</span> =&gt; <span class="kw">return</span> <span class="ident">Token::Else</span>,
+ <span class="string">&quot;for&quot;</span> =&gt; <span class="kw">return</span> <span class="ident">Token::For</span>,
+ <span class="string">&quot;in&quot;</span> =&gt; <span class="kw">return</span> <span class="ident">Token::In</span>,
+ <span class="kw">_</span> =&gt; {}
}
<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">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="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="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="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>;
@@ -268,12 +308,12 @@
}
<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">if</span> <span class="ident">last_char</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="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="string">&#39;\r&#39;</span> <span class="op">|</span><span class="op">|</span> <span class="ident">c</span> <span class="op">==</span> <span class="string">&#39;\n&#39;</span> =&gt; <span class="kw">return</span> <span class="self">self</span>.<span class="ident">gettok</span>(),
+ <span class="prelude-val">None</span> =&gt; <span class="kw">return</span> <span class="ident">Token::Eof</span>,
+ <span class="kw">_</span> =&gt; { <span class="comment">/* consume comment */</span> }
}
}
}
@@ -360,8 +400,22 @@
<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_ite</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;if then else&quot;</span>.<span class="ident">chars</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::If</span>, <span class="ident">lex</span>.<span class="ident">gettok</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::Then</span>, <span class="ident">lex</span>.<span class="ident">gettok</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::Else</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_for</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;for in&quot;</span>.<span class="ident">chars</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::For</span>, <span class="ident">lex</span>.<span class="ident">gettok</span>());
+ <span class="macro">assert_eq!</span>(<span class="ident">Token::In</span>, <span class="ident">lex</span>.<span class="ident">gettok</span>());
+ }
}
-</pre></div>
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