diff options
Diffstat (limited to 'codemirror_ui/lib/CodeMirror-2.3/mode/ruby/ruby.js')
| -rw-r--r-- | codemirror_ui/lib/CodeMirror-2.3/mode/ruby/ruby.js | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/codemirror_ui/lib/CodeMirror-2.3/mode/ruby/ruby.js b/codemirror_ui/lib/CodeMirror-2.3/mode/ruby/ruby.js new file mode 100644 index 0000000..74ed7b9 --- /dev/null +++ b/codemirror_ui/lib/CodeMirror-2.3/mode/ruby/ruby.js @@ -0,0 +1,195 @@ +CodeMirror.defineMode("ruby", function(config, parserConfig) { + function wordObj(words) { + var o = {}; + for (var i = 0, e = words.length; i < e; ++i) o[words[i]] = true; + return o; + } + var keywords = wordObj([ + "alias", "and", "BEGIN", "begin", "break", "case", "class", "def", "defined?", "do", "else", + "elsif", "END", "end", "ensure", "false", "for", "if", "in", "module", "next", "not", "or", + "redo", "rescue", "retry", "return", "self", "super", "then", "true", "undef", "unless", + "until", "when", "while", "yield", "nil", "raise", "throw", "catch", "fail", "loop", "callcc", + "caller", "lambda", "proc", "public", "protected", "private", "require", "load", + "require_relative", "extend", "autoload" + ]); + var indentWords = wordObj(["def", "class", "case", "for", "while", "do", "module", "then", + "catch", "loop", "proc", "begin"]); + var dedentWords = wordObj(["end", "until"]); + var matching = {"[": "]", "{": "}", "(": ")"}; + var curPunc; + + function chain(newtok, stream, state) { + state.tokenize.push(newtok); + return newtok(stream, state); + } + + function tokenBase(stream, state) { + curPunc = null; + if (stream.sol() && stream.match("=begin") && stream.eol()) { + state.tokenize.push(readBlockComment); + return "comment"; + } + if (stream.eatSpace()) return null; + var ch = stream.next(), m; + if (ch == "`" || ch == "'" || ch == '"' || + (ch == "/" && !stream.eol() && stream.peek() != " ")) { + return chain(readQuoted(ch, "string", ch == '"' || ch == "`"), stream, state); + } else if (ch == "%") { + var style, embed = false; + if (stream.eat("s")) style = "atom"; + else if (stream.eat(/[WQ]/)) { style = "string"; embed = true; } + else if (stream.eat(/[wxqr]/)) style = "string"; + var delim = stream.eat(/[^\w\s]/); + if (!delim) return "operator"; + if (matching.propertyIsEnumerable(delim)) delim = matching[delim]; + return chain(readQuoted(delim, style, embed, true), stream, state); + } else if (ch == "#") { + stream.skipToEnd(); + return "comment"; + } else if (ch == "<" && (m = stream.match(/^<-?[\`\"\']?([a-zA-Z_?]\w*)[\`\"\']?(?:;|$)/))) { + return chain(readHereDoc(m[1]), stream, state); + } else if (ch == "0") { + if (stream.eat("x")) stream.eatWhile(/[\da-fA-F]/); + else if (stream.eat("b")) stream.eatWhile(/[01]/); + else stream.eatWhile(/[0-7]/); + return "number"; + } else if (/\d/.test(ch)) { + stream.match(/^[\d_]*(?:\.[\d_]+)?(?:[eE][+\-]?[\d_]+)?/); + return "number"; + } else if (ch == "?") { + while (stream.match(/^\\[CM]-/)) {} + if (stream.eat("\\")) stream.eatWhile(/\w/); + else stream.next(); + return "string"; + } else if (ch == ":") { + if (stream.eat("'")) return chain(readQuoted("'", "atom", false), stream, state); + if (stream.eat('"')) return chain(readQuoted('"', "atom", true), stream, state); + stream.eatWhile(/[\w\?]/); + return "atom"; + } else if (ch == "@") { + stream.eat("@"); + stream.eatWhile(/[\w\?]/); + return "variable-2"; + } else if (ch == "$") { + stream.next(); + stream.eatWhile(/[\w\?]/); + return "variable-3"; + } else if (/\w/.test(ch)) { + stream.eatWhile(/[\w\?]/); + if (stream.eat(":")) return "atom"; + return "ident"; + } else if (ch == "|" && (state.varList || state.lastTok == "{" || state.lastTok == "do")) { + curPunc = "|"; + return null; + } else if (/[\(\)\[\]{}\\;]/.test(ch)) { + curPunc = ch; + return null; + } else if (ch == "-" && stream.eat(">")) { + return "arrow"; + } else if (/[=+\-\/*:\.^%<>~|]/.test(ch)) { + stream.eatWhile(/[=+\-\/*:\.^%<>~|]/); + return "operator"; + } else { + return null; + } + } + + function tokenBaseUntilBrace() { + var depth = 1; + return function(stream, state) { + if (stream.peek() == "}") { + depth--; + if (depth == 0) { + state.tokenize.pop(); + return state.tokenize[state.tokenize.length-1](stream, state); + } + } else if (stream.peek() == "{") { + depth++; + } + return tokenBase(stream, state); + }; + } + function readQuoted(quote, style, embed, unescaped) { + return function(stream, state) { + var escaped = false, ch; + while ((ch = stream.next()) != null) { + if (ch == quote && (unescaped || !escaped)) { + state.tokenize.pop(); + break; + } + if (embed && ch == "#" && !escaped && stream.eat("{")) { + state.tokenize.push(tokenBaseUntilBrace(arguments.callee)); + break; + } + escaped = !escaped && ch == "\\"; + } + return style; + }; + } + function readHereDoc(phrase) { + return function(stream, state) { + if (stream.match(phrase)) state.tokenize.pop(); + else stream.skipToEnd(); + return "string"; + }; + } + function readBlockComment(stream, state) { + if (stream.sol() && stream.match("=end") && stream.eol()) + state.tokenize.pop(); + stream.skipToEnd(); + return "comment"; + } + + return { + startState: function() { + return {tokenize: [tokenBase], + indented: 0, + context: {type: "top", indented: -config.indentUnit}, + continuedLine: false, + lastTok: null, + varList: false}; + }, + + token: function(stream, state) { + if (stream.sol()) state.indented = stream.indentation(); + var style = state.tokenize[state.tokenize.length-1](stream, state), kwtype; + if (style == "ident") { + var word = stream.current(); + style = keywords.propertyIsEnumerable(stream.current()) ? "keyword" + : /^[A-Z]/.test(word) ? "tag" + : (state.lastTok == "def" || state.lastTok == "class" || state.varList) ? "def" + : "variable"; + if (indentWords.propertyIsEnumerable(word)) kwtype = "indent"; + else if (dedentWords.propertyIsEnumerable(word)) kwtype = "dedent"; + else if ((word == "if" || word == "unless") && stream.column() == stream.indentation()) + kwtype = "indent"; + } + if (curPunc || (style && style != "comment")) state.lastTok = word || curPunc || style; + if (curPunc == "|") state.varList = !state.varList; + + if (kwtype == "indent" || /[\(\[\{]/.test(curPunc)) + state.context = {prev: state.context, type: curPunc || style, indented: state.indented}; + else if ((kwtype == "dedent" || /[\)\]\}]/.test(curPunc)) && state.context.prev) + state.context = state.context.prev; + + if (stream.eol()) + state.continuedLine = (curPunc == "\\" || style == "operator"); + return style; + }, + + indent: function(state, textAfter) { + if (state.tokenize[state.tokenize.length-1] != tokenBase) return 0; + var firstChar = textAfter && textAfter.charAt(0); + var ct = state.context; + var closing = ct.type == matching[firstChar] || + ct.type == "keyword" && /^(?:end|until|else|elsif|when|rescue)\b/.test(textAfter); + return ct.indented + (closing ? 0 : config.indentUnit) + + (state.continuedLine ? config.indentUnit : 0); + }, + electricChars: "}de" // enD and rescuE + + }; +}); + +CodeMirror.defineMIME("text/x-ruby", "ruby"); + |