third-party/codemirror-3.15/mode/clojure/clojure.js

   1 /**
   2  * Author: Hans Engel
   3  * Branched from CodeMirror's Scheme mode (by Koh Zi Han, based on implementation by Koh Zi Chun)
   4  */
   5 CodeMirror.defineMode("clojure", function () {
   6     var BUILTIN = "builtin", COMMENT = "comment", STRING = "string", CHARACTER = "string-2",
   7         ATOM = "atom", NUMBER = "number", BRACKET = "bracket", KEYWORD = "keyword";
   8     var INDENT_WORD_SKIP = 2;
   9
  10     function makeKeywords(str) {
  11         var obj = {}, words = str.split(" ");
  12         for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
  13         return obj;
  14     }
  15
  16     var atoms = makeKeywords("true false nil");
  17
  18     var keywords = makeKeywords(
  19       "defn defn- def def- defonce defmulti defmethod defmacro defstruct deftype defprotocol defrecord defproject deftest slice defalias defhinted defmacro- defn-memo defnk defnk defonce- defunbound defunbound- defvar defvar- let letfn do case cond condp for loop recur when when-not when-let when-first if if-let if-not . .. -> ->> doto and or dosync doseq dotimes dorun doall load import unimport ns in-ns refer try catch finally throw with-open with-local-vars binding gen-class gen-and-load-class gen-and-save-class handler-case handle");
  20
  21     var builtins = makeKeywords(
  22         "* *' *1 *2 *3 *agent* *allow-unresolved-vars* *assert* *clojure-version* *command-line-args* *compile-files* *compile-path* *compiler-options* *data-readers* *e *err* *file* *flush-on-newline* *fn-loader* *in* *math-context* *ns* *out* *print-dup* *print-length* *print-level* *print-meta* *print-readably* *read-eval* *source-path* *unchecked-math* *use-context-classloader* *verbose-defrecords* *warn-on-reflection* + +' - -' -> ->> ->ArrayChunk ->Vec ->VecNode ->VecSeq -cache-protocol-fn -reset-methods .. / < <= = == > >= EMPTY-NODE accessor aclone add-classpath add-watch agent agent-error agent-errors aget alength alias all-ns alter alter-meta! alter-var-root amap ancestors and apply areduce array-map aset aset-boolean aset-byte aset-char aset-double aset-float aset-int aset-long aset-short assert assoc assoc! assoc-in associative? atom await await-for await1 bases bean bigdec bigint biginteger binding bit-and bit-and-not bit-clear bit-flip bit-not bit-or bit-set bit-shift-left bit-shift-right bit-test bit-xor boolean boolean-array booleans bound-fn bound-fn* bound? butlast byte byte-array bytes case cast char char-array char-escape-string char-name-string char? chars chunk chunk-append chunk-buffer chunk-cons chunk-first chunk-next chunk-rest chunked-seq? class class? clear-agent-errors clojure-version coll? comment commute comp comparator compare compare-and-set! compile complement concat cond condp conj conj! cons constantly construct-proxy contains? count counted? create-ns create-struct cycle dec dec' decimal? declare default-data-readers definline definterface defmacro defmethod defmulti defn defn- defonce defprotocol defrecord defstruct deftype delay delay? deliver denominator deref derive descendants destructure disj disj! dissoc dissoc! distinct distinct? doall dorun doseq dosync dotimes doto double double-array doubles drop drop-last drop-while empty empty? ensure enumeration-seq error-handler error-mode eval even? every-pred every? ex-data ex-info extend extend-protocol extend-type extenders extends? false? ffirst file-seq filter filterv find find-keyword find-ns find-protocol-impl find-protocol-method find-var first flatten float float-array float? floats flush fn fn? fnext fnil for force format frequencies future future-call future-cancel future-cancelled? future-done? future? gen-class gen-interface gensym get get-in get-method get-proxy-class get-thread-bindings get-validator group-by hash hash-combine hash-map hash-set identical? identity if-let if-not ifn? import in-ns inc inc' init-proxy instance? int int-array integer? interleave intern interpose into into-array ints io! isa? iterate iterator-seq juxt keep keep-indexed key keys keyword keyword? last lazy-cat lazy-seq let letfn line-seq list list* list? load load-file load-reader load-string loaded-libs locking long long-array longs loop macroexpand macroexpand-1 make-array make-hierarchy map map-indexed map? mapcat mapv max max-key memfn memoize merge merge-with meta method-sig methods min min-key mod munge name namespace namespace-munge neg? newline next nfirst nil? nnext not not-any? not-empty not-every? not= ns ns-aliases ns-imports ns-interns ns-map ns-name ns-publics ns-refers ns-resolve ns-unalias ns-unmap nth nthnext nthrest num number? numerator object-array odd? or parents partial partition partition-all partition-by pcalls peek persistent! pmap pop pop! pop-thread-bindings pos? pr pr-str prefer-method prefers primitives-classnames print print-ctor print-dup print-method print-simple print-str printf println println-str prn prn-str promise proxy proxy-call-with-super proxy-mappings proxy-name proxy-super push-thread-bindings pvalues quot rand rand-int rand-nth range ratio? rational? rationalize re-find re-groups re-matcher re-matches re-pattern re-seq read read-line read-string realized? reduce reduce-kv reductions ref ref-history-count ref-max-history ref-min-history ref-set refer refer-clojure reify release-pending-sends rem remove remove-all-methods remove-method remove-ns remove-watch repeat repeatedly replace replicate require reset! reset-meta! resolve rest restart-agent resultset-seq reverse reversible? rseq rsubseq satisfies? second select-keys send send-off seq seq? seque sequence sequential? set set-error-handler! set-error-mode! set-validator! set? short short-array shorts shuffle shutdown-agents slurp some some-fn sort sort-by sorted-map sorted-map-by sorted-set sorted-set-by sorted? special-symbol? spit split-at split-with str string? struct struct-map subs subseq subvec supers swap! symbol symbol? sync take take-last take-nth take-while test the-ns thread-bound? time to-array to-array-2d trampoline transient tree-seq true? type unchecked-add unchecked-add-int unchecked-byte unchecked-char unchecked-dec unchecked-dec-int unchecked-divide-int unchecked-double unchecked-float unchecked-inc unchecked-inc-int unchecked-int unchecked-long unchecked-multiply unchecked-multiply-int unchecked-negate unchecked-negate-int unchecked-remainder-int unchecked-short unchecked-subtract unchecked-subtract-int underive unquote unquote-splicing update-in update-proxy use val vals var-get var-set var? vary-meta vec vector vector-of vector? when when-first when-let when-not while with-bindings with-bindings* with-in-str with-loading-context with-local-vars with-meta with-open with-out-str with-precision with-redefs with-redefs-fn xml-seq zero? zipmap *default-data-reader-fn* as-> cond-> cond->> reduced reduced? send-via set-agent-send-executor! set-agent-send-off-executor! some-> some->>");
  23
  24     var indentKeys = makeKeywords(
  25         // Built-ins
  26         "ns fn def defn defmethod bound-fn if if-not case condp when while when-not when-first do future comment doto locking proxy with-open with-precision reify deftype defrecord defprotocol extend extend-protocol extend-type try catch " +
  27
  28         // Binding forms
  29         "let letfn binding loop for doseq dotimes when-let if-let " +
  30
  31         // Data structures
  32         "defstruct struct-map assoc " +
  33
  34         // clojure.test
  35         "testing deftest " +
  36
  37         // contrib
  38         "handler-case handle dotrace deftrace");
  39
  40     var tests = {
  41         digit: /\d/,
  42         digit_or_colon: /[\d:]/,
  43         hex: /[0-9a-f]/i,
  44         sign: /[+-]/,
  45         exponent: /e/i,
  46         keyword_char: /[^\s\(\[\;\)\]]/,
  47         symbol: /[\w*+!\-\._?:\/]/
  48     };
  49
  50     function stateStack(indent, type, prev) { // represents a state stack object
  51         this.indent = indent;
  52         this.type = type;
  53         this.prev = prev;
  54     }
  55
  56     function pushStack(state, indent, type) {
  57         state.indentStack = new stateStack(indent, type, state.indentStack);
  58     }
  59
  60     function popStack(state) {
  61         state.indentStack = state.indentStack.prev;
  62     }
  63
  64     function isNumber(ch, stream){
  65         // hex
  66         if ( ch === '0' && stream.eat(/x/i) ) {
  67             stream.eatWhile(tests.hex);
  68             return true;
  69         }
  70
  71         // leading sign
  72         if ( ( ch == '+' || ch == '-' ) && ( tests.digit.test(stream.peek()) ) ) {
  73           stream.eat(tests.sign);
  74           ch = stream.next();
  75         }
  76
  77         if ( tests.digit.test(ch) ) {
  78             stream.eat(ch);
  79             stream.eatWhile(tests.digit);
  80
  81             if ( '.' == stream.peek() ) {
  82                 stream.eat('.');
  83                 stream.eatWhile(tests.digit);
  84             }
  85
  86             if ( stream.eat(tests.exponent) ) {
  87                 stream.eat(tests.sign);
  88                 stream.eatWhile(tests.digit);
  89             }
  90
  91             return true;
  92         }
  93
  94         return false;
  95     }
  96
  97     // Eat character that starts after backslash \
  98     function eatCharacter(stream) {
  99         var first = stream.next();
 100         // Read special literals: backspace, newline, space, return.
 101         // Just read all lowercase letters.
 102         if (first.match(/[a-z]/) && stream.match(/[a-z]+/, true)) {
 103             return;
 104         }
 105         // Read unicode character: \u1000 \uA0a1
 106         if (first === "u") {
 107             stream.match(/[0-9a-z]{4}/i, true);
 108         }
 109     }
 110
 111     return {
 112         startState: function () {
 113             return {
 114                 indentStack: null,
 115                 indentation: 0,
 116                 mode: false
 117             };
 118         },
 119
 120         token: function (stream, state) {
 121             if (state.indentStack == null && stream.sol()) {
 122                 // update indentation, but only if indentStack is empty
 123                 state.indentation = stream.indentation();
 124             }
 125
 126             // skip spaces
 127             if (stream.eatSpace()) {
 128                 return null;
 129             }
 130             var returnType = null;
 131
 132             switch(state.mode){
 133                 case "string": // multi-line string parsing mode
 134                     var next, escaped = false;
 135                     while ((next = stream.next()) != null) {
 136                         if (next == "\"" && !escaped) {
 137
 138                             state.mode = false;
 139                             break;
 140                         }
 141                         escaped = !escaped && next == "\\";
 142                     }
 143                     returnType = STRING; // continue on in string mode
 144                     break;
 145                 default: // default parsing mode
 146                     var ch = stream.next();
 147
 148                     if (ch == "\"") {
 149                         state.mode = "string";
 150                         returnType = STRING;
 151                     } else if (ch == "\\") {
 152                         eatCharacter(stream);
 153                         returnType = CHARACTER;
 154                     } else if (ch == "'" && !( tests.digit_or_colon.test(stream.peek()) )) {
 155                         returnType = ATOM;
 156                     } else if (ch == ";") { // comment
 157                         stream.skipToEnd(); // rest of the line is a comment
 158                         returnType = COMMENT;
 159                     } else if (isNumber(ch,stream)){
 160                         returnType = NUMBER;
 161                     } else if (ch == "(" || ch == "[" || ch == "{" ) {
 162                         var keyWord = '', indentTemp = stream.column(), letter;
 163                         /**
 164                         Either
 165                         (indent-word ..
 166                         (non-indent-word ..
 167                         (;something else, bracket, etc.
 168                         */
 169
 170                         if (ch == "(") while ((letter = stream.eat(tests.keyword_char)) != null) {
 171                             keyWord += letter;
 172                         }
 173
 174                         if (keyWord.length > 0 && (indentKeys.propertyIsEnumerable(keyWord) ||
 175                                                    /^(?:def|with)/.test(keyWord))) { // indent-word
 176                             pushStack(state, indentTemp + INDENT_WORD_SKIP, ch);
 177                         } else { // non-indent word
 178                             // we continue eating the spaces
 179                             stream.eatSpace();
 180                             if (stream.eol() || stream.peek() == ";") {
 181                                 // nothing significant after
 182                                 // we restart indentation 1 space after
 183                                 pushStack(state, indentTemp + 1, ch);
 184                             } else {
 185                                 pushStack(state, indentTemp + stream.current().length, ch); // else we match
 186                             }
 187                         }
 188                         stream.backUp(stream.current().length - 1); // undo all the eating
 189
 190                         returnType = BRACKET;
 191                     } else if (ch == ")" || ch == "]" || ch == "}") {
 192                         returnType = BRACKET;
 193                         if (state.indentStack != null && state.indentStack.type == (ch == ")" ? "(" : (ch == "]" ? "[" :"{"))) {
 194                             popStack(state);
 195                         }
 196                     } else if ( ch == ":" ) {
 197                         stream.eatWhile(tests.symbol);
 198                         return ATOM;
 199                     } else {
 200                         stream.eatWhile(tests.symbol);
 201
 202                         if (keywords && keywords.propertyIsEnumerable(stream.current())) {
 203                             returnType = KEYWORD;
 204                         } else if (builtins && builtins.propertyIsEnumerable(stream.current())) {
 205                             returnType = BUILTIN;
 206                         } else if (atoms && atoms.propertyIsEnumerable(stream.current())) {
 207                             returnType = ATOM;
 208                         } else returnType = null;
 209                     }
 210             }
 211
 212             return returnType;
 213         },
 214
 215         indent: function (state) {
 216             if (state.indentStack == null) return state.indentation;
 217             return state.indentStack.indent;
 218         },
 219
 220         lineComment: ";;"
 221     };
 222 });
 223
 224 CodeMirror.defineMIME("text/x-clojure", "clojure");