136 lines
4.4 KiB
JavaScript
136 lines
4.4 KiB
JavaScript
// 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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(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("octave", function() {
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function wordRegexp(words) {
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return new RegExp("^((" + words.join(")|(") + "))\\b");
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}
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var singleOperators = new RegExp("^[\\+\\-\\*/&|\\^~<>!@'\\\\]");
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var singleDelimiters = new RegExp('^[\\(\\[\\{\\},:=;]');
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var doubleOperators = new RegExp("^((==)|(~=)|(<=)|(>=)|(<<)|(>>)|(\\.[\\+\\-\\*/\\^\\\\]))");
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var doubleDelimiters = new RegExp("^((!=)|(\\+=)|(\\-=)|(\\*=)|(/=)|(&=)|(\\|=)|(\\^=))");
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var tripleDelimiters = new RegExp("^((>>=)|(<<=))");
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var expressionEnd = new RegExp("^[\\]\\)]");
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var identifiers = new RegExp("^[_A-Za-z\xa1-\uffff][_A-Za-z0-9\xa1-\uffff]*");
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var builtins = wordRegexp([
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'error', 'eval', 'function', 'abs', 'acos', 'atan', 'asin', 'cos',
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'cosh', 'exp', 'log', 'prod', 'sum', 'log10', 'max', 'min', 'sign', 'sin', 'sinh',
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'sqrt', 'tan', 'reshape', 'break', 'zeros', 'default', 'margin', 'round', 'ones',
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'rand', 'syn', 'ceil', 'floor', 'size', 'clear', 'zeros', 'eye', 'mean', 'std', 'cov',
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'det', 'eig', 'inv', 'norm', 'rank', 'trace', 'expm', 'logm', 'sqrtm', 'linspace', 'plot',
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'title', 'xlabel', 'ylabel', 'legend', 'text', 'grid', 'meshgrid', 'mesh', 'num2str',
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'fft', 'ifft', 'arrayfun', 'cellfun', 'input', 'fliplr', 'flipud', 'ismember'
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]);
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var keywords = wordRegexp([
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'return', 'case', 'switch', 'else', 'elseif', 'end', 'endif', 'endfunction',
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'if', 'otherwise', 'do', 'for', 'while', 'try', 'catch', 'classdef', 'properties', 'events',
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'methods', 'global', 'persistent', 'endfor', 'endwhile', 'printf', 'sprintf', 'disp', 'until',
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'continue', 'pkg'
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]);
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// tokenizers
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function tokenTranspose(stream, state) {
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if (!stream.sol() && stream.peek() === '\'') {
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stream.next();
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state.tokenize = tokenBase;
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return 'operator';
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}
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state.tokenize = tokenBase;
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return tokenBase(stream, state);
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}
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function tokenComment(stream, state) {
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if (stream.match(/^.*%}/)) {
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state.tokenize = tokenBase;
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return 'comment';
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};
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stream.skipToEnd();
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return 'comment';
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}
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function tokenBase(stream, state) {
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// whitespaces
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if (stream.eatSpace()) return null;
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// Handle one line Comments
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if (stream.match('%{')){
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state.tokenize = tokenComment;
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stream.skipToEnd();
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return 'comment';
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}
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if (stream.match(/^[%#]/)){
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stream.skipToEnd();
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return 'comment';
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}
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// Handle Number Literals
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if (stream.match(/^[0-9\.+-]/, false)) {
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if (stream.match(/^[+-]?0x[0-9a-fA-F]+[ij]?/)) {
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stream.tokenize = tokenBase;
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return 'number'; };
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if (stream.match(/^[+-]?\d*\.\d+([EeDd][+-]?\d+)?[ij]?/)) { return 'number'; };
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if (stream.match(/^[+-]?\d+([EeDd][+-]?\d+)?[ij]?/)) { return 'number'; };
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}
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if (stream.match(wordRegexp(['nan','NaN','inf','Inf']))) { return 'number'; };
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// Handle Strings
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if (stream.match(/^"([^"]|(""))*"/)) { return 'string'; } ;
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if (stream.match(/^'([^']|(''))*'/)) { return 'string'; } ;
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// Handle words
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if (stream.match(keywords)) { return 'keyword'; } ;
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if (stream.match(builtins)) { return 'builtin'; } ;
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if (stream.match(identifiers)) { return 'variable'; } ;
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if (stream.match(singleOperators) || stream.match(doubleOperators)) { return 'operator'; };
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if (stream.match(singleDelimiters) || stream.match(doubleDelimiters) || stream.match(tripleDelimiters)) { return null; };
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if (stream.match(expressionEnd)) {
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state.tokenize = tokenTranspose;
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return null;
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};
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// Handle non-detected items
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stream.next();
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return 'error';
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};
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return {
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startState: function() {
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return {
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tokenize: tokenBase
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};
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},
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token: function(stream, state) {
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var style = state.tokenize(stream, state);
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if (style === 'number' || style === 'variable'){
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state.tokenize = tokenTranspose;
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}
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return style;
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}
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};
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});
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CodeMirror.defineMIME("text/x-octave", "octave");
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});
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