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// CodeMirror, copyright (c) by Marijn Haverbeke and others

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// Distributed under an MIT license: http://codemirror.net/LICENSE

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/**

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* Author: Hans Engel

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* Branched from CodeMirror's Scheme mode (by Koh Zi Han, based on implementation by Koh Zi Chun)

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(function(mod) {

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if (typeof exports == "object" && typeof module == "object") // CommonJS

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mod(require("../../lib/codemirror"));

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else if (typeof define == "function" && define.amd) // AMD

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define(["../../lib/codemirror"], mod);

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else // Plain browser env

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mod(CodeMirror);

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})(function(CodeMirror) {

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"use strict";

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CodeMirror.defineMode("clojure", function (options) {

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var BUILTIN = "builtin", COMMENT = "comment", STRING = "string", CHARACTER = "string-2",

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ATOM = "atom", NUMBER = "number", BRACKET = "bracket", KEYWORD = "keyword", VAR = "variable";

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var INDENT_WORD_SKIP = options.indentUnit || 2;

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var NORMAL_INDENT_UNIT = options.indentUnit || 2;

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function makeKeywords(str) {

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var obj = {}, words = str.split(" ");

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for (var i = 0; i < words.length; ++i) obj[words[i]] = true;

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return obj;

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}

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var atoms = makeKeywords("true false nil");

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var keywords = makeKeywords(

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"defn defn- def def- defonce defmulti defmethod defmacro defstruct deftype defprotocol defrecord defproject deftest " +

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"slice defalias defhinted defmacro- defn-memo defnk defnk defonce- defunbound defunbound- defvar defvar- let letfn " +

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"do case cond condp for loop recur when when-not when-let when-first if if-let if-not . .. -> ->> doto and or dosync " +

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"doseq dotimes dorun doall load import unimport ns in-ns refer try catch finally throw with-open with-local-vars " +

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"binding gen-class gen-and-load-class gen-and-save-class handler-case handle");

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var builtins = makeKeywords(

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"* *' *1 *2 *3 *agent* *allow-unresolved-vars* *assert* *clojure-version* *command-line-args* *compile-files* " +

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"*compile-path* *compiler-options* *data-readers* *e *err* *file* *flush-on-newline* *fn-loader* *in* " +

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"*math-context* *ns* *out* *print-dup* *print-length* *print-level* *print-meta* *print-readably* *read-eval* " +

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"*source-path* *unchecked-math* *use-context-classloader* *verbose-defrecords* *warn-on-reflection* + +' - -' -> " +

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"->> ->ArrayChunk ->Vec ->VecNode ->VecSeq -cache-protocol-fn -reset-methods .. / < <= = == > >= EMPTY-NODE accessor " +

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"aclone add-classpath add-watch agent agent-error agent-errors aget alength alias all-ns alter alter-meta! " +

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"alter-var-root amap ancestors and apply areduce array-map aset aset-boolean aset-byte aset-char aset-double " +

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"aset-float aset-int aset-long aset-short assert assoc assoc! assoc-in associative? atom await await-for await1 " +

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"bases bean bigdec bigint biginteger binding bit-and bit-and-not bit-clear bit-flip bit-not bit-or bit-set " +

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"bit-shift-left bit-shift-right bit-test bit-xor boolean boolean-array booleans bound-fn bound-fn* bound? butlast " +

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"byte byte-array bytes case cat cast char char-array char-escape-string char-name-string char? chars chunk chunk-append " +

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"chunk-buffer chunk-cons chunk-first chunk-next chunk-rest chunked-seq? class class? clear-agent-errors " +

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"clojure-version coll? comment commute comp comparator compare compare-and-set! compile complement completing concat cond condp " +

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"conj conj! cons constantly construct-proxy contains? count counted? create-ns create-struct cycle dec dec' decimal? " +

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"declare dedupe default-data-readers definline definterface defmacro defmethod defmulti defn defn- defonce defprotocol " +

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"defrecord defstruct deftype delay delay? deliver denominator deref derive descendants destructure disj disj! dissoc " +

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"dissoc! distinct distinct? doall dorun doseq dosync dotimes doto double double-array doubles drop drop-last " +

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"drop-while eduction empty empty? ensure enumeration-seq error-handler error-mode eval even? every-pred every? ex-data ex-info " +

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"extend extend-protocol extend-type extenders extends? false? ffirst file-seq filter filterv find find-keyword " +

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"find-ns find-protocol-impl find-protocol-method find-var first flatten float float-array float? floats flush fn fn? " +

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"fnext fnil for force format frequencies future future-call future-cancel future-cancelled? future-done? future? " +

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"gen-class gen-interface gensym get get-in get-method get-proxy-class get-thread-bindings get-validator group-by hash " +

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"hash-combine hash-map hash-set identical? identity if-let if-not ifn? import in-ns inc inc' init-proxy instance? " +

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"int int-array integer? interleave intern interpose into into-array ints io! isa? iterate iterator-seq juxt keep " +

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"keep-indexed key keys keyword keyword? last lazy-cat lazy-seq let letfn line-seq list list* list? load load-file " +

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"load-reader load-string loaded-libs locking long long-array longs loop macroexpand macroexpand-1 make-array " +

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"make-hierarchy map map-indexed map? mapcat mapv max max-key memfn memoize merge merge-with meta method-sig methods " +

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"min min-key mod munge name namespace namespace-munge neg? newline next nfirst nil? nnext not not-any? not-empty " +

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"not-every? not= ns ns-aliases ns-imports ns-interns ns-map ns-name ns-publics ns-refers ns-resolve ns-unalias " +

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"ns-unmap nth nthnext nthrest num number? numerator object-array odd? or parents partial partition partition-all " +

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"partition-by pcalls peek persistent! pmap pop pop! pop-thread-bindings pos? pr pr-str prefer-method prefers " +

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"primitives-classnames print print-ctor print-dup print-method print-simple print-str printf println println-str " +

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"prn prn-str promise proxy proxy-call-with-super proxy-mappings proxy-name proxy-super push-thread-bindings pvalues " +

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"quot rand rand-int rand-nth random-sample range ratio? rational? rationalize re-find re-groups re-matcher re-matches re-pattern " +

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"re-seq read read-line read-string realized? reduce reduce-kv reductions ref ref-history-count ref-max-history " +

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"ref-min-history ref-set refer refer-clojure reify release-pending-sends rem remove remove-all-methods " +

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"remove-method remove-ns remove-watch repeat repeatedly replace replicate require reset! reset-meta! resolve rest " +

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"restart-agent resultset-seq reverse reversible? rseq rsubseq satisfies? second select-keys send send-off seq seq? " +

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"seque sequence sequential? set set-error-handler! set-error-mode! set-validator! set? short short-array shorts " +

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"shuffle shutdown-agents slurp some some-fn sort sort-by sorted-map sorted-map-by sorted-set sorted-set-by sorted? " +

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"special-symbol? spit split-at split-with str string? struct struct-map subs subseq subvec supers swap! symbol " +

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"symbol? sync take take-last take-nth take-while test the-ns thread-bound? time to-array to-array-2d trampoline transduce " +

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"transient tree-seq true? type unchecked-add unchecked-add-int unchecked-byte unchecked-char unchecked-dec " +

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"unchecked-dec-int unchecked-divide-int unchecked-double unchecked-float unchecked-inc unchecked-inc-int " +

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"unchecked-int unchecked-long unchecked-multiply unchecked-multiply-int unchecked-negate unchecked-negate-int "+

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"unchecked-remainder-int unchecked-short unchecked-subtract unchecked-subtract-int underive unquote " +

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"unquote-splicing update update-in update-proxy use val vals var-get var-set var? vary-meta vec vector vector-of " +

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"vector? volatile! volatile? vreset! vswap! when when-first when-let when-not while with-bindings with-bindings* with-in-str with-loading-context " +

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"with-local-vars with-meta with-open with-out-str with-precision with-redefs with-redefs-fn xml-seq zero? zipmap " +

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"*default-data-reader-fn* as-> cond-> cond->> reduced reduced? send-via set-agent-send-executor! " +

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"set-agent-send-off-executor! some-> some->>");

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var indentKeys = makeKeywords(

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// Built-ins

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"ns fn def defn defmethod bound-fn if if-not case condp when while when-not when-first do future comment doto " +

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"locking proxy with-open with-precision reify deftype defrecord defprotocol extend extend-protocol extend-type " +

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"try catch " +

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// Binding forms

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"let letfn binding loop for doseq dotimes when-let if-let " +

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// Data structures

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"defstruct struct-map assoc " +

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// clojure.test

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"testing deftest " +

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// contrib

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"handler-case handle dotrace deftrace");

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var tests = {

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digit: /\d/,

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digit_or_colon: /[\d:]/,

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hex: /[0-9a-f]/i,

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sign: /[+-]/,

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exponent: /e/i,

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keyword_char: /[^\s$\[\;$\]]/,

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symbol: /[\w*+!\-\._?:<>\/\xa1-\uffff]/,

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block_indent: /^(?:def|with)[^\/]+$|\/(?:def|with)/

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};

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function stateStack(indent, type, prev) { // represents a state stack object

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this.indent = indent;

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this.type = type;

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this.prev = prev;

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}

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function pushStack(state, indent, type) {

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state.indentStack = new stateStack(indent, type, state.indentStack);

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}

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function popStack(state) {

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state.indentStack = state.indentStack.prev;

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}

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function isNumber(ch, stream){

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// hex

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if ( ch === '0' && stream.eat(/x/i) ) {

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stream.eatWhile(tests.hex);

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return true;

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}

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// leading sign

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if ( ( ch == '+' || ch == '-' ) && ( tests.digit.test(stream.peek()) ) ) {

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stream.eat(tests.sign);

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ch = stream.next();

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}

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if ( tests.digit.test(ch) ) {

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stream.eat(ch);

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stream.eatWhile(tests.digit);

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if ( '.' == stream.peek() ) {

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stream.eat('.');

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stream.eatWhile(tests.digit);

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} else if ('/' == stream.peek() ) {

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stream.eat('/');

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stream.eatWhile(tests.digit);

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}

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if ( stream.eat(tests.exponent) ) {

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stream.eat(tests.sign);

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stream.eatWhile(tests.digit);

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}

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return true;

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}

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return false;

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}

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// Eat character that starts after backslash \

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function eatCharacter(stream) {

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var first = stream.next();

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// Read special literals: backspace, newline, space, return.

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// Just read all lowercase letters.

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if (first && first.match(/[a-z]/) && stream.match(/[a-z]+/, true)) {

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return;

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}

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// Read unicode character: \u1000 \uA0a1

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if (first === "u") {

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stream.match(/[0-9a-z]{4}/i, true);

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}

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}

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return {

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startState: function () {

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return {

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indentStack: null,

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indentation: 0,

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mode: false

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};

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token: function (stream, state) {

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if (state.indentStack == null && stream.sol()) {

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// update indentation, but only if indentStack is empty

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state.indentation = stream.indentation();

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}

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// skip spaces

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if (state.mode != "string" && stream.eatSpace()) {

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return null;

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}

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var returnType = null;

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switch(state.mode){

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case "string": // multi-line string parsing mode

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var next, escaped = false;

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while ((next = stream.next()) != null) {

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if (next == "\"" && !escaped) {

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state.mode = false;

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break;

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}

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escaped = !escaped && next == "\\";

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}

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returnType = STRING; // continue on in string mode

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break;

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default: // default parsing mode

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var ch = stream.next();

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if (ch == "\"") {

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state.mode = "string";

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returnType = STRING;

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} else if (ch == "\\") {

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eatCharacter(stream);

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returnType = CHARACTER;

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} else if (ch == "'" && !( tests.digit_or_colon.test(stream.peek()) )) {

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returnType = ATOM;

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} else if (ch == ";") { // comment

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stream.skipToEnd(); // rest of the line is a comment

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returnType = COMMENT;

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} else if (isNumber(ch,stream)){

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returnType = NUMBER;

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} else if (ch == "(" || ch == "[" || ch == "{" ) {

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var keyWord = '', indentTemp = stream.column(), letter;

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/**

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Either

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(indent-word ..

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(non-indent-word ..

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(;something else, bracket, etc.

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if (ch == "(") while ((letter = stream.eat(tests.keyword_char)) != null) {

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keyWord += letter;

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}

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if (keyWord.length > 0 && (indentKeys.propertyIsEnumerable(keyWord) ||

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tests.block_indent.test(keyWord))) { // indent-word

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pushStack(state, indentTemp + INDENT_WORD_SKIP, ch);

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} else { // non-indent word

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// we continue eating the spaces

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stream.eatSpace();

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if (stream.eol() || stream.peek() == ";") {

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// nothing significant after

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// we restart indentation the user defined spaces after

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pushStack(state, indentTemp + NORMAL_INDENT_UNIT, ch);

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} else {

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pushStack(state, indentTemp + stream.current().length, ch); // else we match

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}

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}

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stream.backUp(stream.current().length - 1); // undo all the eating

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returnType = BRACKET;

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} else if (ch == ")" || ch == "]" || ch == "}") {

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returnType = BRACKET;

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if (state.indentStack != null && state.indentStack.type == (ch == ")" ? "(" : (ch == "]" ? "[" :"{"))) {

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popStack(state);

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}

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} else if ( ch == ":" ) {

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stream.eatWhile(tests.symbol);

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return ATOM;

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} else {

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stream.eatWhile(tests.symbol);

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if (keywords && keywords.propertyIsEnumerable(stream.current())) {

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returnType = KEYWORD;

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} else if (builtins && builtins.propertyIsEnumerable(stream.current())) {

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returnType = BUILTIN;

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} else if (atoms && atoms.propertyIsEnumerable(stream.current())) {

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returnType = ATOM;

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} else {

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returnType = VAR;

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}

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}

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}

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return returnType;

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indent: function (state) {

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if (state.indentStack == null) return state.indentation;

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return state.indentStack.indent;

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closeBrackets: {pairs: "()[]{}\"\""},

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lineComment: ";;"

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};

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});

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CodeMirror.defineMIME("text/x-clojure", "clojure");

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CodeMirror.defineMIME("text/x-clojurescript", "clojure");

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CodeMirror.defineMIME("application/edn", "clojure");

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});

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