HackMD/public/vendor/codemirror/mode/clojure/clojure.js
2016-06-01 14:37:28 +08:00

306 lines
16 KiB
JavaScript

// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: http://codemirror.net/LICENSE
/**
* Author: Hans Engel
* Branched from CodeMirror's Scheme mode (by Koh Zi Han, based on implementation by Koh Zi Chun)
*/
(function(mod) {
if (typeof exports == "object" && typeof module == "object") // CommonJS
mod(require("../../lib/codemirror"));
else if (typeof define == "function" && define.amd) // AMD
define(["../../lib/codemirror"], mod);
else // Plain browser env
mod(CodeMirror);
})(function(CodeMirror) {
"use strict";
CodeMirror.defineMode("clojure", function (options) {
var BUILTIN = "builtin", COMMENT = "comment", STRING = "string", CHARACTER = "string-2",
ATOM = "atom", NUMBER = "number", BRACKET = "bracket", KEYWORD = "keyword", VAR = "variable";
var INDENT_WORD_SKIP = options.indentUnit || 2;
var NORMAL_INDENT_UNIT = options.indentUnit || 2;
function makeKeywords(str) {
var obj = {}, words = str.split(" ");
for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
return obj;
}
var atoms = makeKeywords("true false nil");
var keywords = makeKeywords(
"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");
var builtins = makeKeywords(
"* *' *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 cat 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 completing concat cond condp " +
"conj conj! cons constantly construct-proxy contains? count counted? create-ns create-struct cycle dec dec' decimal? " +
"declare dedupe 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 eduction 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 random-sample 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 transduce " +
"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 update-in update-proxy use val vals var-get var-set var? vary-meta vec vector vector-of " +
"vector? volatile! volatile? vreset! vswap! 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->>");
var indentKeys = makeKeywords(
// Built-ins
"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 " +
// Binding forms
"let letfn binding loop for doseq dotimes when-let if-let " +
// Data structures
"defstruct struct-map assoc " +
// clojure.test
"testing deftest " +
// contrib
"handler-case handle dotrace deftrace");
var tests = {
digit: /\d/,
digit_or_colon: /[\d:]/,
hex: /[0-9a-f]/i,
sign: /[+-]/,
exponent: /e/i,
keyword_char: /[^\s\(\[\;\)\]]/,
symbol: /[\w*+!\-\._?:<>\/\xa1-\uffff]/,
block_indent: /^(?:def|with)[^\/]+$|\/(?:def|with)/
};
function stateStack(indent, type, prev) { // represents a state stack object
this.indent = indent;
this.type = type;
this.prev = prev;
}
function pushStack(state, indent, type) {
state.indentStack = new stateStack(indent, type, state.indentStack);
}
function popStack(state) {
state.indentStack = state.indentStack.prev;
}
function isNumber(ch, stream){
// hex
if ( ch === '0' && stream.eat(/x/i) ) {
stream.eatWhile(tests.hex);
return true;
}
// leading sign
if ( ( ch == '+' || ch == '-' ) && ( tests.digit.test(stream.peek()) ) ) {
stream.eat(tests.sign);
ch = stream.next();
}
if ( tests.digit.test(ch) ) {
stream.eat(ch);
stream.eatWhile(tests.digit);
if ( '.' == stream.peek() ) {
stream.eat('.');
stream.eatWhile(tests.digit);
} else if ('/' == stream.peek() ) {
stream.eat('/');
stream.eatWhile(tests.digit);
}
if ( stream.eat(tests.exponent) ) {
stream.eat(tests.sign);
stream.eatWhile(tests.digit);
}
return true;
}
return false;
}
// Eat character that starts after backslash \
function eatCharacter(stream) {
var first = stream.next();
// Read special literals: backspace, newline, space, return.
// Just read all lowercase letters.
if (first && first.match(/[a-z]/) && stream.match(/[a-z]+/, true)) {
return;
}
// Read unicode character: \u1000 \uA0a1
if (first === "u") {
stream.match(/[0-9a-z]{4}/i, true);
}
}
return {
startState: function () {
return {
indentStack: null,
indentation: 0,
mode: false
};
},
token: function (stream, state) {
if (state.indentStack == null && stream.sol()) {
// update indentation, but only if indentStack is empty
state.indentation = stream.indentation();
}
// skip spaces
if (state.mode != "string" && stream.eatSpace()) {
return null;
}
var returnType = null;
switch(state.mode){
case "string": // multi-line string parsing mode
var next, escaped = false;
while ((next = stream.next()) != null) {
if (next == "\"" && !escaped) {
state.mode = false;
break;
}
escaped = !escaped && next == "\\";
}
returnType = STRING; // continue on in string mode
break;
default: // default parsing mode
var ch = stream.next();
if (ch == "\"") {
state.mode = "string";
returnType = STRING;
} else if (ch == "\\") {
eatCharacter(stream);
returnType = CHARACTER;
} else if (ch == "'" && !( tests.digit_or_colon.test(stream.peek()) )) {
returnType = ATOM;
} else if (ch == ";") { // comment
stream.skipToEnd(); // rest of the line is a comment
returnType = COMMENT;
} else if (isNumber(ch,stream)){
returnType = NUMBER;
} else if (ch == "(" || ch == "[" || ch == "{" ) {
var keyWord = '', indentTemp = stream.column(), letter;
/**
Either
(indent-word ..
(non-indent-word ..
(;something else, bracket, etc.
*/
if (ch == "(") while ((letter = stream.eat(tests.keyword_char)) != null) {
keyWord += letter;
}
if (keyWord.length > 0 && (indentKeys.propertyIsEnumerable(keyWord) ||
tests.block_indent.test(keyWord))) { // indent-word
pushStack(state, indentTemp + INDENT_WORD_SKIP, ch);
} else { // non-indent word
// we continue eating the spaces
stream.eatSpace();
if (stream.eol() || stream.peek() == ";") {
// nothing significant after
// we restart indentation the user defined spaces after
pushStack(state, indentTemp + NORMAL_INDENT_UNIT, ch);
} else {
pushStack(state, indentTemp + stream.current().length, ch); // else we match
}
}
stream.backUp(stream.current().length - 1); // undo all the eating
returnType = BRACKET;
} else if (ch == ")" || ch == "]" || ch == "}") {
returnType = BRACKET;
if (state.indentStack != null && state.indentStack.type == (ch == ")" ? "(" : (ch == "]" ? "[" :"{"))) {
popStack(state);
}
} else if ( ch == ":" ) {
stream.eatWhile(tests.symbol);
return ATOM;
} else {
stream.eatWhile(tests.symbol);
if (keywords && keywords.propertyIsEnumerable(stream.current())) {
returnType = KEYWORD;
} else if (builtins && builtins.propertyIsEnumerable(stream.current())) {
returnType = BUILTIN;
} else if (atoms && atoms.propertyIsEnumerable(stream.current())) {
returnType = ATOM;
} else {
returnType = VAR;
}
}
}
return returnType;
},
indent: function (state) {
if (state.indentStack == null) return state.indentation;
return state.indentStack.indent;
},
closeBrackets: {pairs: "()[]{}\"\""},
lineComment: ";;"
};
});
CodeMirror.defineMIME("text/x-clojure", "clojure");
CodeMirror.defineMIME("text/x-clojurescript", "clojure");
CodeMirror.defineMIME("application/edn", "clojure");
});