diff options
Diffstat (limited to 'codemirror_ui/lib/CodeMirror-2.3/mode/coffeescript/coffeescript.js')
| -rw-r--r-- | codemirror_ui/lib/CodeMirror-2.3/mode/coffeescript/coffeescript.js | 347 |
1 files changed, 347 insertions, 0 deletions
diff --git a/codemirror_ui/lib/CodeMirror-2.3/mode/coffeescript/coffeescript.js b/codemirror_ui/lib/CodeMirror-2.3/mode/coffeescript/coffeescript.js new file mode 100644 index 0000000..dece5f8 --- /dev/null +++ b/codemirror_ui/lib/CodeMirror-2.3/mode/coffeescript/coffeescript.js @@ -0,0 +1,347 @@ +/** + * Link to the project's GitHub page: + * https://github.com/pickhardt/coffeescript-codemirror-mode + */ +CodeMirror.defineMode('coffeescript', function(conf) { + var ERRORCLASS = 'error'; + + function wordRegexp(words) { + return new RegExp("^((" + words.join(")|(") + "))\\b"); + } + + var singleOperators = new RegExp("^[\\+\\-\\*/%&|\\^~<>!\?]"); + var singleDelimiters = new RegExp('^[\\(\\)\\[\\]\\{\\}@,:`=;\\.]'); + var doubleOperators = new RegExp("^((\->)|(\=>)|(\\+\\+)|(\\+\\=)|(\\-\\-)|(\\-\\=)|(\\*\\*)|(\\*\\=)|(\\/\\/)|(\\/\\=)|(==)|(!=)|(<=)|(>=)|(<>)|(<<)|(>>)|(//))"); + var doubleDelimiters = new RegExp("^((\\.\\.)|(\\+=)|(\\-=)|(\\*=)|(%=)|(/=)|(&=)|(\\|=)|(\\^=))"); + var tripleDelimiters = new RegExp("^((\\.\\.\\.)|(//=)|(>>=)|(<<=)|(\\*\\*=))"); + var identifiers = new RegExp("^[_A-Za-z$][_A-Za-z$0-9]*"); + + var wordOperators = wordRegexp(['and', 'or', 'not', + 'is', 'isnt', 'in', + 'instanceof', 'typeof']); + var indentKeywords = ['for', 'while', 'loop', 'if', 'unless', 'else', + 'switch', 'try', 'catch', 'finally', 'class']; + var commonKeywords = ['break', 'by', 'continue', 'debugger', 'delete', + 'do', 'in', 'of', 'new', 'return', 'then', + 'this', 'throw', 'when', 'until']; + + var keywords = wordRegexp(indentKeywords.concat(commonKeywords)); + + indentKeywords = wordRegexp(indentKeywords); + + + var stringPrefixes = new RegExp("^('{3}|\"{3}|['\"])"); + var regexPrefixes = new RegExp("^(/{3}|/)"); + var commonConstants = ['Infinity', 'NaN', 'undefined', 'null', 'true', 'false', 'on', 'off', 'yes', 'no']; + var constants = wordRegexp(commonConstants); + + // Tokenizers + function tokenBase(stream, state) { + // Handle scope changes + if (stream.sol()) { + var scopeOffset = state.scopes[0].offset; + if (stream.eatSpace()) { + var lineOffset = stream.indentation(); + if (lineOffset > scopeOffset) { + return 'indent'; + } else if (lineOffset < scopeOffset) { + return 'dedent'; + } + return null; + } else { + if (scopeOffset > 0) { + dedent(stream, state); + } + } + } + if (stream.eatSpace()) { + return null; + } + + var ch = stream.peek(); + + // Handle docco title comment (single line) + if (stream.match("####")) { + stream.skipToEnd(); + return 'comment'; + } + + // Handle multi line comments + if (stream.match("###")) { + state.tokenize = longComment; + return state.tokenize(stream, state); + } + + // Single line comment + if (ch === '#') { + stream.skipToEnd(); + return 'comment'; + } + + // Handle number literals + if (stream.match(/^-?[0-9\.]/, false)) { + var floatLiteral = false; + // Floats + if (stream.match(/^-?\d*\.\d+(e[\+\-]?\d+)?/i)) { + floatLiteral = true; + } + if (stream.match(/^-?\d+\.\d*/)) { + floatLiteral = true; + } + if (stream.match(/^-?\.\d+/)) { + floatLiteral = true; + } + + if (floatLiteral) { + // prevent from getting extra . on 1.. + if (stream.peek() == "."){ + stream.backUp(1); + } + return 'number'; + } + // Integers + var intLiteral = false; + // Hex + if (stream.match(/^-?0x[0-9a-f]+/i)) { + intLiteral = true; + } + // Decimal + if (stream.match(/^-?[1-9]\d*(e[\+\-]?\d+)?/)) { + intLiteral = true; + } + // Zero by itself with no other piece of number. + if (stream.match(/^-?0(?![\dx])/i)) { + intLiteral = true; + } + if (intLiteral) { + return 'number'; + } + } + + // Handle strings + if (stream.match(stringPrefixes)) { + state.tokenize = tokenFactory(stream.current(), 'string'); + return state.tokenize(stream, state); + } + // Handle regex literals + if (stream.match(regexPrefixes)) { + if (stream.current() != '/' || stream.match(/^.*\//, false)) { // prevent highlight of division + state.tokenize = tokenFactory(stream.current(), 'string-2'); + return state.tokenize(stream, state); + } else { + stream.backUp(1); + } + } + + // Handle operators and delimiters + if (stream.match(tripleDelimiters) || stream.match(doubleDelimiters)) { + return 'punctuation'; + } + if (stream.match(doubleOperators) + || stream.match(singleOperators) + || stream.match(wordOperators)) { + return 'operator'; + } + if (stream.match(singleDelimiters)) { + return 'punctuation'; + } + + if (stream.match(constants)) { + return 'atom'; + } + + if (stream.match(keywords)) { + return 'keyword'; + } + + if (stream.match(identifiers)) { + return 'variable'; + } + + // Handle non-detected items + stream.next(); + return ERRORCLASS; + } + + function tokenFactory(delimiter, outclass) { + var singleline = delimiter.length == 1; + return function tokenString(stream, state) { + while (!stream.eol()) { + stream.eatWhile(/[^'"\/\\]/); + if (stream.eat('\\')) { + stream.next(); + if (singleline && stream.eol()) { + return outclass; + } + } else if (stream.match(delimiter)) { + state.tokenize = tokenBase; + return outclass; + } else { + stream.eat(/['"\/]/); + } + } + if (singleline) { + if (conf.mode.singleLineStringErrors) { + outclass = ERRORCLASS + } else { + state.tokenize = tokenBase; + } + } + return outclass; + }; + } + + function longComment(stream, state) { + while (!stream.eol()) { + stream.eatWhile(/[^#]/); + if (stream.match("###")) { + state.tokenize = tokenBase; + break; + } + stream.eatWhile("#"); + } + return "comment" + } + + function indent(stream, state, type) { + type = type || 'coffee'; + var indentUnit = 0; + if (type === 'coffee') { + for (var i = 0; i < state.scopes.length; i++) { + if (state.scopes[i].type === 'coffee') { + indentUnit = state.scopes[i].offset + conf.indentUnit; + break; + } + } + } else { + indentUnit = stream.column() + stream.current().length; + } + state.scopes.unshift({ + offset: indentUnit, + type: type + }); + } + + function dedent(stream, state) { + if (state.scopes.length == 1) return; + if (state.scopes[0].type === 'coffee') { + var _indent = stream.indentation(); + var _indent_index = -1; + for (var i = 0; i < state.scopes.length; ++i) { + if (_indent === state.scopes[i].offset) { + _indent_index = i; + break; + } + } + if (_indent_index === -1) { + return true; + } + while (state.scopes[0].offset !== _indent) { + state.scopes.shift(); + } + return false + } else { + state.scopes.shift(); + return false; + } + } + + function tokenLexer(stream, state) { + var style = state.tokenize(stream, state); + var current = stream.current(); + + // Handle '.' connected identifiers + if (current === '.') { + style = state.tokenize(stream, state); + current = stream.current(); + if (style === 'variable') { + return 'variable'; + } else { + return ERRORCLASS; + } + } + + // Handle properties + if (current === '@') { + stream.eat('@'); + return 'keyword'; + } + + // Handle scope changes. + if (current === 'return') { + state.dedent += 1; + } + if (((current === '->' || current === '=>') && + !state.lambda && + state.scopes[0].type == 'coffee' && + stream.peek() === '') + || style === 'indent') { + indent(stream, state); + } + var delimiter_index = '[({'.indexOf(current); + if (delimiter_index !== -1) { + indent(stream, state, '])}'.slice(delimiter_index, delimiter_index+1)); + } + if (indentKeywords.exec(current)){ + indent(stream, state); + } + if (current == 'then'){ + dedent(stream, state); + } + + + if (style === 'dedent') { + if (dedent(stream, state)) { + return ERRORCLASS; + } + } + delimiter_index = '])}'.indexOf(current); + if (delimiter_index !== -1) { + if (dedent(stream, state)) { + return ERRORCLASS; + } + } + if (state.dedent > 0 && stream.eol() && state.scopes[0].type == 'coffee') { + if (state.scopes.length > 1) state.scopes.shift(); + state.dedent -= 1; + } + + return style; + } + + var external = { + startState: function(basecolumn) { + return { + tokenize: tokenBase, + scopes: [{offset:basecolumn || 0, type:'coffee'}], + lastToken: null, + lambda: false, + dedent: 0 + }; + }, + + token: function(stream, state) { + var style = tokenLexer(stream, state); + + state.lastToken = {style:style, content: stream.current()}; + + if (stream.eol() && stream.lambda) { + state.lambda = false; + } + + return style; + }, + + indent: function(state, textAfter) { + if (state.tokenize != tokenBase) { + return 0; + } + + return state.scopes[0].offset; + } + + }; + return external; +}); + +CodeMirror.defineMIME('text/x-coffeescript', 'coffeescript'); |