mirror of
https://github.com/zadam/trilium.git
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250 lines
13 KiB
JavaScript
250 lines
13 KiB
JavaScript
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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: Koh Zi Han, based on implementation by Koh Zi Chun
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*/
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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("scheme", function () {
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var BUILTIN = "builtin", COMMENT = "comment", STRING = "string",
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ATOM = "atom", NUMBER = "number", BRACKET = "bracket";
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var INDENT_WORD_SKIP = 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 keywords = makeKeywords("λ case-lambda call/cc class define-class exit-handler field import inherit init-field interface let*-values let-values let/ec mixin opt-lambda override protect provide public rename require require-for-syntax syntax syntax-case syntax-error unit/sig unless when with-syntax and begin call-with-current-continuation call-with-input-file call-with-output-file case cond define define-syntax delay do dynamic-wind else for-each if lambda let let* let-syntax letrec letrec-syntax map or syntax-rules abs acos angle append apply asin assoc assq assv atan boolean? caar cadr call-with-input-file call-with-output-file call-with-values car cdddar cddddr cdr ceiling char->integer char-alphabetic? char-ci<=? char-ci<? char-ci=? char-ci>=? char-ci>? char-downcase char-lower-case? char-numeric? char-ready? char-upcase char-upper-case? char-whitespace? char<=? char<? char=? char>=? char>? char? close-input-port close-output-port complex? cons cos current-input-port current-output-port denominator display eof-object? eq? equal? eqv? eval even? exact->inexact exact? exp expt #f floor force gcd imag-part inexact->exact inexact? input-port? integer->char integer? interaction-environment lcm length list list->string list->vector list-ref list-tail list? load log magnitude make-polar make-rectangular make-string make-vector max member memq memv min modulo negative? newline not null-environment null? number->string number? numerator odd? open-input-file open-output-file output-port? pair? peek-char port? positive? procedure? quasiquote quote quotient rational? rationalize read read-char real-part real? remainder reverse round scheme-report-environment set! set-car! set-cdr! sin sqrt string string->list string->number string->symbol string-append string-ci<=? string-ci<? string-ci=? string-ci>=? string-ci>? string-copy string-fill! string-length string-ref string-set! string<=? string<? string=? string>=? string>? string? substring symbol->string symbol? #t tan transcript-off transcript-on truncate values vector vector->list vector-fill! vector-length vector-ref vector-set! with-input-from-file with-output-to-file write write-char zero?");
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var indentKeys = makeKeywords("define let letrec let* lambda");
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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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var binaryMatcher = new RegExp(/^(?:[-+]i|[-+][01]+#*(?:\/[01]+#*)?i|[-+]?[01]+#*(?:\/[01]+#*)?@[-+]?[01]+#*(?:\/[01]+#*)?|[-+]?[01]+#*(?:\/[01]+#*)?[-+](?:[01]+#*(?:\/[01]+#*)?)?i|[-+]?[01]+#*(?:\/[01]+#*)?)(?=[()\s;"]|$)/i);
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var octalMatcher = new RegExp(/^(?:[-+]i|[-+][0-7]+#*(?:\/[0-7]+#*)?i|[-+]?[0-7]+#*(?:\/[0-7]+#*)?@[-+]?[0-7]+#*(?:\/[0-7]+#*)?|[-+]?[0-7]+#*(?:\/[0-7]+#*)?[-+](?:[0-7]+#*(?:\/[0-7]+#*)?)?i|[-+]?[0-7]+#*(?:\/[0-7]+#*)?)(?=[()\s;"]|$)/i);
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var hexMatcher = new RegExp(/^(?:[-+]i|[-+][\da-f]+#*(?:\/[\da-f]+#*)?i|[-+]?[\da-f]+#*(?:\/[\da-f]+#*)?@[-+]?[\da-f]+#*(?:\/[\da-f]+#*)?|[-+]?[\da-f]+#*(?:\/[\da-f]+#*)?[-+](?:[\da-f]+#*(?:\/[\da-f]+#*)?)?i|[-+]?[\da-f]+#*(?:\/[\da-f]+#*)?)(?=[()\s;"]|$)/i);
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var decimalMatcher = new RegExp(/^(?:[-+]i|[-+](?:(?:(?:\d+#+\.?#*|\d+\.\d*#*|\.\d+#*|\d+)(?:[esfdl][-+]?\d+)?)|\d+#*\/\d+#*)i|[-+]?(?:(?:(?:\d+#+\.?#*|\d+\.\d*#*|\.\d+#*|\d+)(?:[esfdl][-+]?\d+)?)|\d+#*\/\d+#*)@[-+]?(?:(?:(?:\d+#+\.?#*|\d+\.\d*#*|\.\d+#*|\d+)(?:[esfdl][-+]?\d+)?)|\d+#*\/\d+#*)|[-+]?(?:(?:(?:\d+#+\.?#*|\d+\.\d*#*|\.\d+#*|\d+)(?:[esfdl][-+]?\d+)?)|\d+#*\/\d+#*)[-+](?:(?:(?:\d+#+\.?#*|\d+\.\d*#*|\.\d+#*|\d+)(?:[esfdl][-+]?\d+)?)|\d+#*\/\d+#*)?i|(?:(?:(?:\d+#+\.?#*|\d+\.\d*#*|\.\d+#*|\d+)(?:[esfdl][-+]?\d+)?)|\d+#*\/\d+#*))(?=[()\s;"]|$)/i);
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function isBinaryNumber (stream) {
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return stream.match(binaryMatcher);
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}
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function isOctalNumber (stream) {
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return stream.match(octalMatcher);
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}
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function isDecimalNumber (stream, backup) {
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if (backup === true) {
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stream.backUp(1);
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}
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return stream.match(decimalMatcher);
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}
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function isHexNumber (stream) {
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return stream.match(hexMatcher);
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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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sExprComment: false
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};
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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 (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 scheme-string mode
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break;
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case "comment": // comment parsing mode
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var next, maybeEnd = false;
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while ((next = stream.next()) != null) {
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if (next == "#" && maybeEnd) {
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state.mode = false;
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break;
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}
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maybeEnd = (next == "|");
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}
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returnType = COMMENT;
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break;
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case "s-expr-comment": // s-expr commenting mode
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state.mode = false;
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if(stream.peek() == "(" || stream.peek() == "["){
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// actually start scheme s-expr commenting mode
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state.sExprComment = 0;
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}else{
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// if not we just comment the entire of the next token
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stream.eatWhile(/[^/s]/); // eat non spaces
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returnType = COMMENT;
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break;
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}
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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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returnType = ATOM;
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} else if (ch == '#') {
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if (stream.eat("|")) { // Multi-line comment
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state.mode = "comment"; // toggle to comment mode
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returnType = COMMENT;
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} else if (stream.eat(/[tf]/i)) { // #t/#f (atom)
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returnType = ATOM;
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} else if (stream.eat(';')) { // S-Expr comment
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state.mode = "s-expr-comment";
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returnType = COMMENT;
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} else {
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var numTest = null, hasExactness = false, hasRadix = true;
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if (stream.eat(/[ei]/i)) {
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hasExactness = true;
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} else {
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stream.backUp(1); // must be radix specifier
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}
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if (stream.match(/^#b/i)) {
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numTest = isBinaryNumber;
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} else if (stream.match(/^#o/i)) {
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numTest = isOctalNumber;
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} else if (stream.match(/^#x/i)) {
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numTest = isHexNumber;
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} else if (stream.match(/^#d/i)) {
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numTest = isDecimalNumber;
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} else if (stream.match(/^[-+0-9.]/, false)) {
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hasRadix = false;
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numTest = isDecimalNumber;
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// re-consume the intial # if all matches failed
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} else if (!hasExactness) {
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stream.eat('#');
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}
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if (numTest != null) {
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if (hasRadix && !hasExactness) {
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// consume optional exactness after radix
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stream.match(/^#[ei]/i);
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}
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if (numTest(stream))
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returnType = NUMBER;
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}
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}
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} else if (/^[-+0-9.]/.test(ch) && isDecimalNumber(stream, true)) { // match non-prefixed number, must be decimal
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returnType = NUMBER;
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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 (ch == "(" || ch == "[") {
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var keyWord = ''; var 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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*/
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while ((letter = stream.eat(/[^\s\(\[\;\)\]]/)) != null) {
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keyWord += letter;
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}
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if (keyWord.length > 0 && indentKeys.propertyIsEnumerable(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 1 space after
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pushStack(state, indentTemp + 1, 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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if(typeof state.sExprComment == "number") state.sExprComment++;
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returnType = BRACKET;
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} else if (ch == ")" || ch == "]") {
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returnType = BRACKET;
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if (state.indentStack != null && state.indentStack.type == (ch == ")" ? "(" : "[")) {
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popStack(state);
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if(typeof state.sExprComment == "number"){
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if(--state.sExprComment == 0){
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returnType = COMMENT; // final closing bracket
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state.sExprComment = false; // turn off s-expr commenting mode
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}
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}
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}
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} else {
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stream.eatWhile(/[\w_\-!$%&*+\.\/:<=>?@\^~]/);
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if (keywords && keywords.propertyIsEnumerable(stream.current())) {
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returnType = BUILTIN;
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} else returnType = "variable";
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}
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}
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return (typeof state.sExprComment == "number") ? COMMENT : returnType;
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},
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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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},
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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-scheme", "scheme");
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});
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