walt-compiler

<!doctype html> <html lang="en"> <head> <title>Code coverage report for src/emitter/section/name.js</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../../../prettify.css" /> <link rel="stylesheet" href="../../../base.css" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <style type='text/css'> .coverage-summary .sorter { background-image: url(../../../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1> <a href="../../../index.html">All files</a> / <a href="index.html">src/emitter/section</a> name.js </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 100% Statements 40/40 </div> <div class='fl pad1y space-right2'> 100% Branches 0/0 </div> <div class='fl pad1y space-right2'> 100% Functions 7/7 </div> <div class='fl pad1y space-right2'> 100% Lines 40/40 </div> </div> </div> <div class='status-line high'></div> <pre><table class="coverage"> <tr><td class="line-count quiet">1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90</td><td class="line-coverage quiet">  21x 21x 21x       21x 42x 42x 42x         21x   42x   42x 42x 90x 90x     42x         21x         42x           42x         42x 50x 50x         50x 21x 21x       42x       21x 42x   42x       42x 42x 42x 42x   42x 42x 42x 42x   42x 42x 42x 42x   42x        </td><td class="text"><pre class="prettyprint lang-js">// @flow import { varuint32, varuint7 } from '../numbers'; import { emitString } from '../string'; import OutputStream from '../../utils/output-stream'; import type { NameSectionType } from '../../generator/flow/types';   // Emit Module name subsection const emitModuleName = (name: string): OutputStream => { const moduleSubsection = new OutputStream(); emitString(moduleSubsection, name, `name_len: ${name}`); return moduleSubsection; };   // Emit Functions subsection const emitFunctionNames = ( names: Array<{ index: number, name: string }> ): OutputStream => { const stream = new OutputStream();   stream.push(varuint32, names.length, `count: ${String(names.length)}`); names.forEach(({ index, name }) => { stream.push(varuint32, index, `index: ${String(index)}`); emitString(stream, name, `name_len: ${name}`); });   return stream; };   // Emit Locals subsection const emitLocals = ( localsMap: Array<{ index: number, locals: Array<{ index: number, name: string }>, }> ): OutputStream => { const stream = new OutputStream();   // WebAssembly Binary Encoding docs are not the best on how this should be encoded. // This is pretty much lifted from wabt C++ source code. First comes the number // or functions, where each function is a header of a u32 function index followed // by locals + params count with each local/param encoded as a name_map stream.push( varuint32, localsMap.length, `count: ${String(localsMap.length)}` ); localsMap.forEach(({ index: funIndex, locals }) => { stream.push(varuint32, funIndex, `function index: ${String(funIndex)}`); stream.push( varuint32, locals.length, `number of params and locals ${locals.length}` ); locals.forEach(({ index, name }) => { stream.push(varuint32, index, `index: ${String(index)}`); emitString(stream, name, `name_len: ${name}`); }); });   return stream; };   // Emit the Name custom section. const emit = (nameSection: NameSectionType): OutputStream => { const stream = new OutputStream(); // Name identifier/header as this is a custom section which requires a string id emitString(stream, 'name', 'name_len: name');   // NOTE: Every subsection header is encoded here, not in the individual subsection // logic. const moduleSubsection = emitModuleName(nameSection.module); stream.push(varuint7, 0, 'name_type: Module'); stream.push(varuint32, moduleSubsection.size, 'name_payload_len'); stream.write(moduleSubsection);   const functionSubsection = emitFunctionNames(nameSection.functions); stream.push(varuint7, 1, 'name_type: Function'); stream.push(varuint32, functionSubsection.size, 'name_payload_len'); stream.write(functionSubsection);   const localsSubsection = emitLocals(nameSection.locals); stream.push(varuint7, 2, 'name_type: Locals'); stream.push(varuint32, localsSubsection.size, 'name_payload_len'); stream.write(localsSubsection);   return stream; };   export default emit;  </pre></td></tr> </table></pre> <div class='push'></div> </div> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="https://istanbul.js.org/" target="_blank">istanbul</a> at Sun Dec 23 2018 17:46:36 GMT+0000 (UTC) </div> </div> <script src="../../../prettify.js"></script> <script> window.onload = function () { if (typeof prettyPrint === 'function') { prettyPrint(); } }; </script> <script src="../../../sorter.js"></script> </body> </html>