third_party/WebKit/Source/devtools/front_end/cm_modes/clojure.js

   1 // CodeMirror, copyright (c) by Marijn Haverbeke and others
   2 // Distributed under an MIT license: http://codemirror.net/LICENSE
   3
   4 /**
   5  * Author: Hans Engel
   6  * Branched from CodeMirror's Scheme mode (by Koh Zi Han, based on implementation by Koh Zi Chun)
   7  */
   8
   9 (function(mod) {
  10   if (typeof exports == "object" && typeof module == "object") // CommonJS
  11     mod(require("../../lib/codemirror"));
  12   else if (typeof define == "function" && define.amd) // AMD
  13     define(["../../lib/codemirror"], mod);
  14   else // Plain browser env
  15     mod(CodeMirror);
  16 })(function(CodeMirror) {
  17 "use strict";
  18
  19 CodeMirror.defineMode("clojure", function (options) {
  20     var BUILTIN = "builtin", COMMENT = "comment", STRING = "string", CHARACTER = "string-2",
  21         ATOM = "atom", NUMBER = "number", BRACKET = "bracket", KEYWORD = "keyword", VAR = "variable";
  22     var INDENT_WORD_SKIP = options.indentUnit || 2;
  23     var NORMAL_INDENT_UNIT = options.indentUnit || 2;
  24
  25     function makeKeywords(str) {
  26         var obj = {}, words = str.split(" ");
  27         for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
  28         return obj;
  29     }
  30
  31     var atoms = makeKeywords("true false nil");
  32
  33     var keywords = makeKeywords(
  34       "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");
  35
  36     var builtins = makeKeywords(
  37         "* *' *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->>");
  38
  39     var indentKeys = makeKeywords(
  40         // Built-ins
  41         "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 " +
  42
  43         // Binding forms
  44         "let letfn binding loop for doseq dotimes when-let if-let " +
  45
  46         // Data structures
  47         "defstruct struct-map assoc " +
  48
  49         // clojure.test
  50         "testing deftest " +
  51
  52         // contrib
  53         "handler-case handle dotrace deftrace");
  54
  55     var tests = {
  56         digit: /\d/,
  57         digit_or_colon: /[\d:]/,
  58         hex: /[0-9a-f]/i,
  59         sign: /[+-]/,
  60         exponent: /e/i,
  61         keyword_char: /[^\s\(\[\;\)\]]/,
  62         symbol: /[\w*+!\-\._?:<>\/\xa1-\uffff]/
  63     };
  64
  65     function stateStack(indent, type, prev) { // represents a state stack object
  66         this.indent = indent;
  67         this.type = type;
  68         this.prev = prev;
  69     }
  70
  71     function pushStack(state, indent, type) {
  72         state.indentStack = new stateStack(indent, type, state.indentStack);
  73     }
  74
  75     function popStack(state) {
  76         state.indentStack = state.indentStack.prev;
  77     }
  78
  79     function isNumber(ch, stream){
  80         // hex
  81         if ( ch === '0' && stream.eat(/x/i) ) {
  82             stream.eatWhile(tests.hex);
  83             return true;
  84         }
  85
  86         // leading sign
  87         if ( ( ch == '+' || ch == '-' ) && ( tests.digit.test(stream.peek()) ) ) {
  88           stream.eat(tests.sign);
  89           ch = stream.next();
  90         }
  91
  92         if ( tests.digit.test(ch) ) {
  93             stream.eat(ch);
  94             stream.eatWhile(tests.digit);
  95
  96             if ( '.' == stream.peek() ) {
  97                 stream.eat('.');
  98                 stream.eatWhile(tests.digit);
  99             }
 100
 101             if ( stream.eat(tests.exponent) ) {
 102                 stream.eat(tests.sign);
 103                 stream.eatWhile(tests.digit);
 104             }
 105
 106             return true;
 107         }
 108
 109         return false;
 110     }
 111
 112     // Eat character that starts after backslash \
 113     function eatCharacter(stream) {
 114         var first = stream.next();
 115         // Read special literals: backspace, newline, space, return.
 116         // Just read all lowercase letters.
 117         if (first && first.match(/[a-z]/) && stream.match(/[a-z]+/, true)) {
 118             return;
 119         }
 120         // Read unicode character: \u1000 \uA0a1
 121         if (first === "u") {
 122             stream.match(/[0-9a-z]{4}/i, true);
 123         }
 124     }
 125
 126     return {
 127         startState: function () {
 128             return {
 129                 indentStack: null,
 130                 indentation: 0,
 131                 mode: false
 132             };
 133         },
 134
 135         token: function (stream, state) {
 136             if (state.indentStack == null && stream.sol()) {
 137                 // update indentation, but only if indentStack is empty
 138                 state.indentation = stream.indentation();
 139             }
 140
 141             // skip spaces
 142             if (stream.eatSpace()) {
 143                 return null;
 144             }
 145             var returnType = null;
 146
 147             switch(state.mode){
 148                 case "string": // multi-line string parsing mode
 149                     var next, escaped = false;
 150                     while ((next = stream.next()) != null) {
 151                         if (next == "\"" && !escaped) {
 152
 153                             state.mode = false;
 154                             break;
 155                         }
 156                         escaped = !escaped && next == "\\";
 157                     }
 158                     returnType = STRING; // continue on in string mode
 159                     break;
 160                 default: // default parsing mode
 161                     var ch = stream.next();
 162
 163                     if (ch == "\"") {
 164                         state.mode = "string";
 165                         returnType = STRING;
 166                     } else if (ch == "\\") {
 167                         eatCharacter(stream);
 168                         returnType = CHARACTER;
 169                     } else if (ch == "'" && !( tests.digit_or_colon.test(stream.peek()) )) {
 170                         returnType = ATOM;
 171                     } else if (ch == ";") { // comment
 172                         stream.skipToEnd(); // rest of the line is a comment
 173                         returnType = COMMENT;
 174                     } else if (isNumber(ch,stream)){
 175                         returnType = NUMBER;
 176                     } else if (ch == "(" || ch == "[" || ch == "{" ) {
 177                         var keyWord = '', indentTemp = stream.column(), letter;
 178                         /**
 179                         Either
 180                         (indent-word ..
 181                         (non-indent-word ..
 182                         (;something else, bracket, etc.
 183                         */
 184
 185                         if (ch == "(") while ((letter = stream.eat(tests.keyword_char)) != null) {
 186                             keyWord += letter;
 187                         }
 188
 189                         if (keyWord.length > 0 && (indentKeys.propertyIsEnumerable(keyWord) ||
 190                                                    /^(?:def|with)/.test(keyWord))) { // indent-word
 191                             pushStack(state, indentTemp + INDENT_WORD_SKIP, ch);
 192                         } else { // non-indent word
 193                             // we continue eating the spaces
 194                             stream.eatSpace();
 195                             if (stream.eol() || stream.peek() == ";") {
 196                                 // nothing significant after
 197                                 // we restart indentation the user defined spaces after
 198                                 pushStack(state, indentTemp + NORMAL_INDENT_UNIT, ch);
 199                             } else {
 200                                 pushStack(state, indentTemp + stream.current().length, ch); // else we match
 201                             }
 202                         }
 203                         stream.backUp(stream.current().length - 1); // undo all the eating
 204
 205                         returnType = BRACKET;
 206                     } else if (ch == ")" || ch == "]" || ch == "}") {
 207                         returnType = BRACKET;
 208                         if (state.indentStack != null && state.indentStack.type == (ch == ")" ? "(" : (ch == "]" ? "[" :"{"))) {
 209                             popStack(state);
 210                         }
 211                     } else if ( ch == ":" ) {
 212                         stream.eatWhile(tests.symbol);
 213                         return ATOM;
 214                     } else {
 215                         stream.eatWhile(tests.symbol);
 216
 217                         if (keywords && keywords.propertyIsEnumerable(stream.current())) {
 218                             returnType = KEYWORD;
 219                         } else if (builtins && builtins.propertyIsEnumerable(stream.current())) {
 220                             returnType = BUILTIN;
 221                         } else if (atoms && atoms.propertyIsEnumerable(stream.current())) {
 222                             returnType = ATOM;
 223                         } else {
 224                           returnType = VAR;
 225                         }
 226                     }
 227             }
 228
 229             return returnType;
 230         },
 231
 232         indent: function (state) {
 233             if (state.indentStack == null) return state.indentation;
 234             return state.indentStack.indent;
 235         },
 236
 237         closeBrackets: {pairs: "()[]{}\"\""},
 238         lineComment: ";;"
 239     };
 240 });
 241
 242 CodeMirror.defineMIME("text/x-clojure", "clojure");
 243
 244 });