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CodeMirror, copyright (c) by Marijn Haverbeke and others\n// Distributed under an MIT license: https://codemirror.net/LICENSE\n\n(function(mod) {\n  if (typeof exports == \"object\" && typeof module == \"object\") // CommonJS\n    mod(require(\"../../lib/codemirror\"));\n  else if (typeof define == \"function\" && define.amd) // AMD\n    define([\"../../lib/codemirror\"], mod);\n  else // Plain browser env\n    mod(CodeMirror);\n})(function(CodeMirror) {\n\"use strict\";\n\nCodeMirror.defineMode(\"gas\", function(_config, parserConfig) {\n  'use strict';\n\n  // If an architecture is specified, its initialization function may\n  // populate this array with custom parsing functions which will be\n  // tried in the event that the standard functions do not find a match.\n  var custom = [];\n\n  // The symbol used to start a line comment changes based on the target\n  // architecture.\n  // If no architecture is pased in \"parserConfig\" then only multiline\n  // comments will have syntax support.\n  var lineCommentStartSymbol = \"\";\n\n  // These directives are architecture independent.\n  // Machine specific directives should go in their respective\n  // architecture initialization function.\n  // Reference:\n  // http://sourceware.org/binutils/docs/as/Pseudo-Ops.html#Pseudo-Ops\n  var directives = {\n    \".abort\" : \"builtin\",\n    \".align\" : \"builtin\",\n    \".altmacro\" : \"builtin\",\n    \".ascii\" : \"builtin\",\n    \".asciz\" : \"builtin\",\n    \".balign\" : \"builtin\",\n    \".balignw\" : \"builtin\",\n    \".balignl\" : \"builtin\",\n    \".bundle_align_mode\" : \"builtin\",\n    \".bundle_lock\" : \"builtin\",\n    \".bundle_unlock\" : \"builtin\",\n    \".byte\" : \"builtin\",\n    \".cfi_startproc\" : \"builtin\",\n    \".comm\" : \"builtin\",\n    \".data\" : \"builtin\",\n    \".def\" : \"builtin\",\n    \".desc\" : \"builtin\",\n    \".dim\" : \"builtin\",\n    \".double\" : \"builtin\",\n    \".eject\" : \"builtin\",\n    \".else\" : \"builtin\",\n    \".elseif\" : \"builtin\",\n    \".end\" : \"builtin\",\n    \".endef\" : \"builtin\",\n    \".endfunc\" : \"builtin\",\n    \".endif\" : \"builtin\",\n    \".equ\" : \"builtin\",\n    \".equiv\" : \"builtin\",\n    \".eqv\" : \"builtin\",\n    \".err\" : \"builtin\",\n    \".error\" : \"builtin\",\n    \".exitm\" : \"builtin\",\n    \".extern\" : \"builtin\",\n    \".fail\" : \"builtin\",\n    \".file\" : \"builtin\",\n    \".fill\" : \"builtin\",\n    \".float\" : \"builtin\",\n    \".func\" : \"builtin\",\n    \".global\" : \"builtin\",\n    \".gnu_attribute\" : \"builtin\",\n    \".hidden\" : \"builtin\",\n    \".hword\" : \"builtin\",\n    \".ident\" : \"builtin\",\n    \".if\" : \"builtin\",\n    \".incbin\" : \"builtin\",\n    \".include\" : \"builtin\",\n    \".int\" : \"builtin\",\n    \".internal\" : \"builtin\",\n    \".irp\" : \"builtin\",\n    \".irpc\" : \"builtin\",\n    \".lcomm\" : \"builtin\",\n    \".lflags\" : \"builtin\",\n    \".line\" : \"builtin\",\n    \".linkonce\" : \"builtin\",\n    \".list\" : \"builtin\",\n    \".ln\" : \"builtin\",\n    \".loc\" : \"builtin\",\n    \".loc_mark_labels\" : \"builtin\",\n    \".local\" : \"builtin\",\n    \".long\" : \"builtin\",\n    \".macro\" : \"builtin\",\n    \".mri\" : \"builtin\",\n    \".noaltmacro\" : \"builtin\",\n    \".nolist\" : \"builtin\",\n    \".octa\" : \"builtin\",\n    \".offset\" : \"builtin\",\n    \".org\" : \"builtin\",\n    \".p2align\" : \"builtin\",\n    \".popsection\" : \"builtin\",\n    \".previous\" : \"builtin\",\n    \".print\" : \"builtin\",\n    \".protected\" : \"builtin\",\n    \".psize\" : \"builtin\",\n    \".purgem\" : \"builtin\",\n    \".pushsection\" : \"builtin\",\n    \".quad\" : \"builtin\",\n    \".reloc\" : \"builtin\",\n    \".rept\" : \"builtin\",\n    \".sbttl\" : \"builtin\",\n    \".scl\" : \"builtin\",\n    \".section\" : \"builtin\",\n    \".set\" : \"builtin\",\n    \".short\" : \"builtin\",\n    \".single\" : \"builtin\",\n    \".size\" : \"builtin\",\n    \".skip\" : \"builtin\",\n    \".sleb128\" : \"builtin\",\n    \".space\" : \"builtin\",\n    \".stab\" : \"builtin\",\n    \".string\" : \"builtin\",\n    \".struct\" : \"builtin\",\n    \".subsection\" : \"builtin\",\n    \".symver\" : \"builtin\",\n    \".tag\" : \"builtin\",\n    \".text\" : \"builtin\",\n    \".title\" : \"builtin\",\n    \".type\" : \"builtin\",\n    \".uleb128\" : \"builtin\",\n    \".val\" : \"builtin\",\n    \".version\" : \"builtin\",\n    \".vtable_entry\" : \"builtin\",\n    \".vtable_inherit\" : \"builtin\",\n    \".warning\" : \"builtin\",\n    \".weak\" : \"builtin\",\n    \".weakref\" : \"builtin\",\n    \".word\" : \"builtin\"\n  };\n\n  var registers = {};\n\n  function x86(_parserConfig) {\n    lineCommentStartSymbol = \"#\";\n\n    registers.ax  = \"variable\";\n    registers.eax = \"variable-2\";\n    registers.rax = \"variable-3\";\n\n    registers.bx  = \"variable\";\n    registers.ebx = 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\"keyword\";\n    registers.gs  = \"keyword\";\n  }\n\n  function armv6(_parserConfig) {\n    // Reference:\n    // http://infocenter.arm.com/help/topic/com.arm.doc.qrc0001l/QRC0001_UAL.pdf\n    // http://infocenter.arm.com/help/topic/com.arm.doc.ddi0301h/DDI0301H_arm1176jzfs_r0p7_trm.pdf\n    lineCommentStartSymbol = \"@\";\n    directives.syntax = \"builtin\";\n\n    registers.r0  = \"variable\";\n    registers.r1  = \"variable\";\n    registers.r2  = \"variable\";\n    registers.r3  = \"variable\";\n    registers.r4  = \"variable\";\n    registers.r5  = \"variable\";\n    registers.r6  = \"variable\";\n    registers.r7  = \"variable\";\n    registers.r8  = \"variable\";\n    registers.r9  = \"variable\";\n    registers.r10 = \"variable\";\n    registers.r11 = \"variable\";\n    registers.r12 = \"variable\";\n\n    registers.sp  = \"variable-2\";\n    registers.lr  = \"variable-2\";\n    registers.pc  = \"variable-2\";\n    registers.r13 = registers.sp;\n    registers.r14 = registers.lr;\n    registers.r15 = registers.pc;\n\n    custom.push(function(ch, stream) {\n      if (ch === '#') {\n        stream.eatWhile(/\\w/);\n        return \"number\";\n      }\n    });\n  }\n\n  var arch = (parserConfig.architecture || \"x86\").toLowerCase();\n  if (arch === \"x86\") {\n    x86(parserConfig);\n  } else if (arch === \"arm\" || arch === \"armv6\") {\n    armv6(parserConfig);\n  }\n\n  function nextUntilUnescaped(stream, end) {\n    var escaped = false, next;\n    while ((next = stream.next()) != null) {\n      if (next === end && !escaped) {\n        return false;\n      }\n      escaped = !escaped && next === \"\\\\\";\n    }\n    return escaped;\n  }\n\n  function clikeComment(stream, state) {\n    var maybeEnd = false, ch;\n    while ((ch = stream.next()) != null) {\n      if (ch === \"/\" && maybeEnd) {\n        state.tokenize = null;\n        break;\n      }\n      maybeEnd = (ch === \"*\");\n    }\n    return \"comment\";\n  }\n\n  return {\n    startState: function() {\n      return {\n        tokenize: null\n      };\n    },\n\n    token: function(stream, state) {\n      if (state.tokenize) {\n        return state.tokenize(stream, state);\n      }\n\n      if (stream.eatSpace()) {\n        return null;\n      }\n\n      var style, cur, ch = stream.next();\n\n      if (ch === \"/\") {\n        if (stream.eat(\"*\")) {\n          state.tokenize = clikeComment;\n          return clikeComment(stream, state);\n        }\n      }\n\n      if (ch === lineCommentStartSymbol) {\n        stream.skipToEnd();\n        return \"comment\";\n      }\n\n      if (ch === '\"') {\n        nextUntilUnescaped(stream, '\"');\n        return \"string\";\n      }\n\n      if (ch === '.') {\n        stream.eatWhile(/\\w/);\n        cur = stream.current().toLowerCase();\n        style = directives[cur];\n        return style || null;\n      }\n\n      if (ch === '=') {\n        stream.eatWhile(/\\w/);\n        return \"tag\";\n      }\n\n      if (ch === '{') {\n        return \"bracket\";\n      }\n\n      if (ch === '}') {\n        return \"bracket\";\n      }\n\n      if (/\\d/.test(ch)) {\n        if (ch === \"0\" && stream.eat(\"x\")) {\n          stream.eatWhile(/[0-9a-fA-F]/);\n          return \"number\";\n        }\n        stream.eatWhile(/\\d/);\n        return \"number\";\n      }\n\n      if (/\\w/.test(ch)) {\n        stream.eatWhile(/\\w/);\n        if (stream.eat(\":\")) {\n          return 'tag';\n        }\n        cur = stream.current().toLowerCase();\n        style = registers[cur];\n        return style || null;\n      }\n\n      for (var i = 0; i < custom.length; i++) {\n        style = custom[i](ch, stream, state);\n        if (style) {\n          return style;\n        }\n      }\n    },\n\n    lineComment: lineCommentStartSymbol,\n    blockCommentStart: \"/*\",\n    blockCommentEnd: \"*/\"\n  };\n});\n\n});\n","// .. Copyright (C) 2017 Bryan A. Jones.\n//\n//    This file is part of E-Book Binder.\n//\n//    E-Book Binder is free software: you can redistribute it and/or modify it\n//    under the terms of the GNU General Public License as published by the Free\n//    Software Foundation, either version 3 of the License, or (at your option)\n//    any later version.\n//\n//    E-Book Binder is distributed in the hope that it will be useful, but WITHOUT\n//    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS\n//    FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more\n//    details.\n//\n//    You should have received a copy of the GNU General Public License along\n//    with E-Book Binder.  If not, see <http://www.gnu.org/licenses/>.\n//\n// .. highlight:: javascript\n//\n// **************************************************************************************\n// |docname| - JavaScript functions supporting immediate feedback to in-browser questions\n// **************************************************************************************\n\n\"use strict\";\n\nimport RunestoneBase from \"../../common/js/runestonebase\";\nimport CodeMirror from \"codemirror\";\nimport \"codemirror/mode/gas/gas.js\";\nimport \"codemirror/mode/python/python.js\";\nimport \"codemirror/mode/javascript/javascript.js\";\nimport \"codemirror/mode/sql/sql.js\";\nimport \"codemirror/mode/clike/clike.js\";\nimport \"codemirror/mode/octave/octave.js\";\nimport \"codemirror/lib/codemirror.css\";\n\n// Constructor\n// ===========\n// Object containing all instances of LP problems. (I assume there is just one per page.)\nwindow.LPList = {};\n\n// FITB constructor\nclass LP extends RunestoneBase {\n    constructor(opts) {\n        super(opts);\n        this.useRunestoneServices = opts.useRunestoneServices;\n        // Store the DOM element (the input) for the \"Test\" button.\n        this.element = opts.orig;\n        this.containerDiv = this.element;\n        this.divid = this.element.id;\n        // Store the DOM element (the textarea) where compile results will be displayed.\n        this.resultElement = $(this.element).siblings(\".lp-result\");\n        // Store the DOM element (a div) where feedback will be displayed.\n        this.feedbackElement = $(this.element)\n            .siblings(\".lp-feedback\")\n            .children(\"div\");\n        // Use a nice editor.\n        let that = this;\n        this.textAreas = [];\n        $(\".code_snippet\").each(function (index, element) {\n            let editor = CodeMirror.fromTextArea(element, {\n                lineNumbers: true,\n                mode: $(that.element).attr(\"data-lang\"),\n                indentUnit: 4,\n                matchBrackets: true,\n                autoMatchParens: true,\n                extraKeys: { Tab: \"indentMore\", \"Shift-Tab\": \"indentLess\" },\n            });\n            // Make the editor resizable.\n            $(editor.getWrapperElement()).resizable({\n                resize: function () {\n                    editor.setSize($(this).width(), $(this).height());\n                    editor.refresh();\n                },\n            });\n            // Keep track of it.\n            that.textAreas.push(editor);\n        });\n        // Handle clicks to the \"Save and run\" button.\n        $(this.element).click((eventObject) =>\n            that.onSaveAndRun(eventObject).then(null)\n        );\n        this.checkServer(\"lp_build\", true);\n    }\n\n    // Data structures:\n    //\n    // Format of data stored locally and on the server*::\n    //\n    //  -   answer: JSON-encoded string containing {\n    //          code_snippets: [\n    //              str, snippet 1, ...\n    //          ],\n    //          (optional) resultString: str, output from build.\n    //      }\n    //  -   correct: (optional) float, a percentage from 0 to 100.\n    //  -   timestamp: date/time in UTC.\n    //\n    // Format of data sent to the server*::\n    //\n    //  -   answer: JSON-encoded string containing only the code_snippets\n    //          array, not resultString. There's no point in sending the\n    //          previous resultString, since the server will compute a new\n    //          one.\n    //  -   event: \"lp_build\"\n    //  -   act: \"\", since the useinfo table requires it. It's not\n    //          otherwise used.\n    //  -   path: str, giving the relative path to this web page. Used\n    //          to find the source code which produced this page in order\n    //          to do snippet replacement.\n    //  -   div_id: str, the div_id of this component.\n    //\n    // Format of data received from the server::\n    //\n    //  If there was an error:\n    //  -   errors: [\n    //          str, error message 1, ...\n    //      ]\n    //\n    //  Otherwise:\n    //  -   answer: JSON-encoded string containing {\n    //          resultString: str, output from build.\n    //          Note that the code_snippets aren't sent back, to save\n    //              bandwidth.\n    //      }\n    //  -   correct: float, a percentage from 0 to 100.\n    //  -   timestamp: str, the server's timestamp.\n    //\n    // * For simplicity, I omitted the common fields (course, etc.) and discussed only fields unique to this component.\n\n    async onSaveAndRun(_eventObject) {\n        // Prevent multiple click while the build is running.\n        $(this.element).attr(\"disabled\", true);\n        $(this.resultElement).val(\"Building...\");\n        $(this.feedbackElement).text(\"\").attr(\"\");\n        // Since the Save and run button was clicked, we assume the code snippets have been changed; therefore, don't store ``correct`` or ``answer.resultString`` because they are out of date.\n        //\n        // Store the answer as a string, since this is what goes in to / comes out from the database. We have to translate this back to a data structure when restoring from the db or local storage.\n        let code_snippets = this.textareasToData();\n        this.setLocalStorage({\n            answer: JSON.stringify({ code_snippets: code_snippets }),\n            timestamp: new Date(),\n        });\n        // Store the answer that the server returns, which includes additional data (correct/incorrect, feedback from the build, etc.).\n        let serverAnswer;\n        try {\n            serverAnswer = await this.logBookEvent({\n                event: \"lp_build\",\n                answer: JSON.stringify(code_snippets),\n                // This is required by useinfo, but not used.\n                act: \"\",\n                // Find the relative path to this web page. Slice off the leading ``/``.\n                path: window.location.href\n                    .replace(eBookConfig.app, \"\")\n                    .slice(1),\n                div_id: this.divid,\n            });\n        } catch (err) {\n            $(this.feedbackElement)\n                .val(`Error contacting server: {err}.`)\n                .attr(\"class\", \"alert alert-danger\");\n            return;\n        } finally {\n            // Always re-enable the button after the server responds.\n            $(this.element).attr(\"disabled\", false);\n        }\n        serverAnswer = serverAnswer.detail;\n        // The server doesn't return the ``code_snippets``, for efficiency. Include those. If an error was returned, note that there is no ``answer`` yet.\n        if (!(\"answer\" in serverAnswer)) {\n            serverAnswer.answer = {};\n        }\n        serverAnswer.answer.code_snippets = code_snippets;\n        this.displayAnswer(serverAnswer);\n        // JSON-encode the answer for storage.\n        serverAnswer.answer = JSON.stringify(serverAnswer.answer);\n        this.setLocalStorage(serverAnswer);\n    }\n\n    // Given a single answer, display it.\n    displayAnswer(data) {\n        if (\"errors\" in data) {\n            // Display any server-side errors. If this key is present, other keys won't be.\n            $(this.feedbackElement)\n                .text(data.errors.join(\"<br>\"))\n                .attr(\"class\", \"alert alert-danger\");\n        } else {\n            // Display and color-code the results.\n            $(this.resultElement).val(data.answer.resultString);\n            if (data.correct == null) {\n                $(this.feedbackElement)\n                    .text(\"Response recorded.\")\n                    .attr(\"class\", \"alert alert-success\");\n            } else if (data.correct >= 100) {\n                $(this.feedbackElement)\n                    .text(\"Correct. Grade: \" + data.correct + \"%\")\n                    .attr(\"class\", \"alert alert-success\");\n            } else {\n                $(this.feedbackElement)\n                    .text(\"Incorrect. Grade: \" + data.correct + \"%\")\n                    .attr(\"class\", \"alert alert-danger\");\n            }\n            // Scroll to the bottom of the results.\n            $(this.resultElement).scrollTop(this.resultElement[0].scrollHeight);\n        }\n    }\n\n    // Store the contents of each textarea into an array of strings.\n    textareasToData() {\n        return $.map(this.textAreas, function (obj, index) {\n            // See https://codemirror.net/doc/manual.html#api.\n            return obj.getValue();\n        });\n    }\n\n    // Store an array of strings in ``data.code_snippets`` into each textarea.\n    dataToTextareas(data) {\n        // Find all code snippet textareas.\n        $(this.textAreas).each(function (index, value) {\n            // Silently ignore if ``data.answer.code_snippets`` or ``data.answer.code_snippets[index]`` isn't defined.\n            value.setValue((data.answer.code_snippets || \"\")[index] || \"\");\n        });\n    }\n\n    // Restore answers from storage retrieval done in RunestoneBase.\n    restoreAnswers(data) {\n        // We store the answer as a JSON-encoded string in the db / local storage. Restore the actual data structure from it.\n        data.answer = JSON.parse(data.answer);\n        this.dataToTextareas(data);\n        this.displayAnswer(data);\n    }\n\n    checkLocalStorage() {\n        // Loads previous answers from local storage if they exist.\n        var storedData;\n        if (localStorage.length > 0) {\n            var key = this.localStorageKey();\n            var ex = localStorage.getItem(key);\n            if (ex !== null) {\n                try {\n                    storedData = JSON.parse(ex);\n                } catch (err) {\n                    // error while parsing; likely due to bad value stored in storage\n                    console.log(err.message);\n                    localStorage.removeItem(key);\n                    return;\n                }\n                this.restoreAnswers(storedData);\n            }\n        }\n    }\n\n    setLocalStorage(data) {\n        localStorage.setItem(this.localStorageKey(), JSON.stringify(data));\n    }\n}\n\n// Initialization\n// ==============\n// Find the custom HTML tags and execute our code on them.\n$(document).on(\"runestone:login-complete\", function () {\n    $(\"[data-component=lp_build]\").each(function (index) {\n        try {\n            window.LPList[this.id] = new LP({\n                orig: this,\n                useRunestoneServices: eBookConfig.useRunestoneServices,\n            });\n        } catch (err) {\n            console.log(`Error rendering LP Problem ${this.id}`);\n        }\n    });\n});\n\nif (typeof window.component_factory === \"undefined\") {\n    window.component_factory = {};\n}\nwindow.component_factory[\"lp_build\"] = function (opts) {\n    return new LP(opts);\n};\n"],"names":["CodeMirror","defineMode","_config","parserConfig","custom","lineCommentStartSymbol","directives","registers","arch","architecture","toLowerCase","clikeComment","stream","state","ch","maybeEnd","next","tokenize","ax","eax","rax","bx","ebx","rbx","cx","ecx","rcx","dx","edx","rdx","si","esi","rsi","di","edi","rdi","sp","esp","rsp","bp","ebp","rbp","ip","eip","rip","cs","ds","ss","es","fs","gs","syntax","r0","r1","r2","r3","r4","r5","r6","r7","r8","r9","r10","r11","r12","lr","pc","r13","r14","r15","push","eatWhile","startState","token","eatSpace","style","cur","eat","skipToEnd","end","escaped","nextUntilUnescaped","current","test","i","length","lineComment","blockCommentStart","blockCommentEnd","mod","window","LPList","LP","constructor","opts","super","this","useRunestoneServices","element","orig","containerDiv","divid","id","resultElement","$","siblings","feedbackElement","children","that","textAreas","each","index","editor","lineNumbers","mode","attr","indentUnit","matchBrackets","autoMatchParens","extraKeys","Tab","getWrapperElement","resizable","resize","setSize","width","height","refresh","click","eventObject","onSaveAndRun","then","checkServer","async","_eventObject","val","text","serverAnswer","code_snippets","textareasToData","setLocalStorage","answer","JSON","stringify","timestamp","Date","logBookEvent","event","act","path","location","href","replace","eBookConfig","app","slice","div_id","err","detail","displayAnswer","data","errors","join","resultString","correct","scrollTop","scrollHeight","map","obj","getValue","dataToTextareas","value","setValue","restoreAnswers","parse","checkLocalStorage","storedData","localStorage","key","localStorageKey","ex","getItem","console","log","message","removeItem","setItem","document","on","component_factory"],"sourceRoot":""}