Файл: wysiwyg/live/scripts/common/codemirror/mode/javascript/javascript.js
Строк: 575
<?php
CodeMirror.defineMode("javascript", function(config, parserConfig) {
var indentUnit = config.indentUnit;
var jsonMode = parserConfig.json;
// Tokenizer
var keywords = function(){
function kw(type) {return {type: type, style: "keyword"};}
var A = kw("keyword a"), B = kw("keyword b"), C = kw("keyword c");
var operator = kw("operator"), atom = {type: "atom", style: "atom"};
return {
"if": A, "while": A, "with": A, "else": B, "do": B, "try": B, "finally": B,
"return": C, "break": C, "continue": C, "new": C, "delete": C, "throw": C,
"var": kw("var"), "const": kw("var"), "let": kw("var"),
"function": kw("function"), "catch": kw("catch"),
"for": kw("for"), "switch": kw("switch"), "case": kw("case"), "default": kw("default"),
"in": operator, "typeof": operator, "instanceof": operator,
"true": atom, "false": atom, "null": atom, "undefined": atom, "NaN": atom, "Infinity": atom
};
}();
var isOperatorChar = /[+-*&%=<>!?|]/;
function chain(stream, state, f) {
state.tokenize = f;
return f(stream, state);
}
function nextUntilUnescaped(stream, end) {
var escaped = false, next;
while ((next = stream.next()) != null) {
if (next == end && !escaped)
return false;
escaped = !escaped && next == "\";
}
return escaped;
}
// Used as scratch variables to communicate multiple values without
// consing up tons of objects.
var type, content;
function ret(tp, style, cont) {
type = tp; content = cont;
return style;
}
function jsTokenBase(stream, state) {
var ch = stream.next();
if (ch == '"' || ch == "'")
return chain(stream, state, jsTokenString(ch));
else if (/[[]{}(),;:.]/.test(ch))
return ret(ch);
else if (ch == "0" && stream.eat(/x/i)) {
stream.eatWhile(/[da-f]/i);
return ret("number", "number");
}
else if (/d/.test(ch)) {
stream.match(/^d*(?:.d*)?(?:[eE][+-]?d+)?/);
return ret("number", "number");
}
else if (ch == "/") {
if (stream.eat("*")) {
return chain(stream, state, jsTokenComment);
}
else if (stream.eat("/")) {
stream.skipToEnd();
return ret("comment", "comment");
}
else if (state.reAllowed) {
nextUntilUnescaped(stream, "/");
stream.eatWhile(/[gimy]/); // 'y' is "sticky" option in Mozilla
return ret("regexp", "string");
}
else {
stream.eatWhile(isOperatorChar);
return ret("operator", null, stream.current());
}
}
else if (ch == "#") {
stream.skipToEnd();
return ret("error", "error");
}
else if (isOperatorChar.test(ch)) {
stream.eatWhile(isOperatorChar);
return ret("operator", null, stream.current());
}
else {
stream.eatWhile(/[w$_]/);
var word = stream.current(), known = keywords.propertyIsEnumerable(word) && keywords[word];
return (known && state.kwAllowed) ? ret(known.type, known.style, word) :
ret("variable", "variable", word);
}
}
function jsTokenString(quote) {
return function(stream, state) {
if (!nextUntilUnescaped(stream, quote))
state.tokenize = jsTokenBase;
return ret("string", "string");
};
}
function jsTokenComment(stream, state) {
var maybeEnd = false, ch;
while (ch = stream.next()) {
if (ch == "/" && maybeEnd) {
state.tokenize = jsTokenBase;
break;
}
maybeEnd = (ch == "*");
}
return ret("comment", "comment");
}
// Parser
var atomicTypes = {"atom": true, "number": true, "variable": true, "string": true, "regexp": true};
function JSLexical(indented, column, type, align, prev, info) {
this.indented = indented;
this.column = column;
this.type = type;
this.prev = prev;
this.info = info;
if (align != null) this.align = align;
}
function inScope(state, varname) {
for (var v = state.localVars; v; v = v.next)
if (v.name == varname) return true;
}
function parseJS(state, style, type, content, stream) {
var cc = state.cc;
// Communicate our context to the combinators.
// (Less wasteful than consing up a hundred closures on every call.)
cx.state = state; cx.stream = stream; cx.marked = null, cx.cc = cc;
if (!state.lexical.hasOwnProperty("align"))
state.lexical.align = true;
while(true) {
var combinator = cc.length ? cc.pop() : jsonMode ? expression : statement;
if (combinator(type, content)) {
while(cc.length && cc[cc.length - 1].lex)
cc.pop()();
if (cx.marked) return cx.marked;
if (type == "variable" && inScope(state, content)) return "variable-2";
return style;
}
}
}
// Combinator utils
var cx = {state: null, column: null, marked: null, cc: null};
function pass() {
for (var i = arguments.length - 1; i >= 0; i--) cx.cc.push(arguments[i]);
}
function cont() {
pass.apply(null, arguments);
return true;
}
function register(varname) {
var state = cx.state;
if (state.context) {
cx.marked = "def";
for (var v = state.localVars; v; v = v.next)
if (v.name == varname) return;
state.localVars = {name: varname, next: state.localVars};
}
}
// Combinators
var defaultVars = {name: "this", next: {name: "arguments"}};
function pushcontext() {
if (!cx.state.context) cx.state.localVars = defaultVars;
cx.state.context = {prev: cx.state.context, vars: cx.state.localVars};
}
function popcontext() {
cx.state.localVars = cx.state.context.vars;
cx.state.context = cx.state.context.prev;
}
function pushlex(type, info) {
var result = function() {
var state = cx.state;
state.lexical = new JSLexical(state.indented, cx.stream.column(), type, null, state.lexical, info)
};
result.lex = true;
return result;
}
function poplex() {
var state = cx.state;
if (state.lexical.prev) {
if (state.lexical.type == ")")
state.indented = state.lexical.indented;
state.lexical = state.lexical.prev;
}
}
poplex.lex = true;
function expect(wanted) {
return function expecting(type) {
if (type == wanted) return cont();
else if (wanted == ";") return pass();
else return cont(arguments.callee);
};
}
function statement(type) {
if (type == "var") return cont(pushlex("vardef"), vardef1, expect(";"), poplex);
if (type == "keyword a") return cont(pushlex("form"), expression, statement, poplex);
if (type == "keyword b") return cont(pushlex("form"), statement, poplex);
if (type == "{") return cont(pushlex("}"), block, poplex);
if (type == ";") return cont();
if (type == "function") return cont(functiondef);
if (type == "for") return cont(pushlex("form"), expect("("), pushlex(")"), forspec1, expect(")"),
poplex, statement, poplex);
if (type == "variable") return cont(pushlex("stat"), maybelabel);
if (type == "switch") return cont(pushlex("form"), expression, pushlex("}", "switch"), expect("{"),
block, poplex, poplex);
if (type == "case") return cont(expression, expect(":"));
if (type == "default") return cont(expect(":"));
if (type == "catch") return cont(pushlex("form"), pushcontext, expect("("), funarg, expect(")"),
statement, poplex, popcontext);
return pass(pushlex("stat"), expression, expect(";"), poplex);
}
function expression(type) {
if (atomicTypes.hasOwnProperty(type)) return cont(maybeoperator);
if (type == "function") return cont(functiondef);
if (type == "keyword c") return cont(maybeexpression);
if (type == "(") return cont(pushlex(")"), expression, expect(")"), poplex, maybeoperator);
if (type == "operator") return cont(expression);
if (type == "[") return cont(pushlex("]"), commasep(expression, "]"), poplex, maybeoperator);
if (type == "{") return cont(pushlex("}"), commasep(objprop, "}"), poplex, maybeoperator);
return cont();
}
function maybeexpression(type) {
if (type.match(/[;})],]/)) return pass();
return pass(expression);
}
function maybeoperator(type, value) {
if (type == "operator" && /++|--/.test(value)) return cont(maybeoperator);
if (type == "operator") return cont(expression);
if (type == ";") return;
if (type == "(") return cont(pushlex(")"), commasep(expression, ")"), poplex, maybeoperator);
if (type == ".") return cont(property, maybeoperator);
if (type == "[") return cont(pushlex("]"), expression, expect("]"), poplex, maybeoperator);
}
function maybelabel(type) {
if (type == ":") return cont(poplex, statement);
return pass(maybeoperator, expect(";"), poplex);
}
function property(type) {
if (type == "variable") {cx.marked = "property"; return cont();}
}
function objprop(type) {
if (type == "variable") cx.marked = "property";
if (atomicTypes.hasOwnProperty(type)) return cont(expect(":"), expression);
}
function commasep(what, end) {
function proceed(type) {
if (type == ",") return cont(what, proceed);
if (type == end) return cont();
return cont(expect(end));
}
return function commaSeparated(type) {
if (type == end) return cont();
else return pass(what, proceed);
};
}
function block(type) {
if (type == "}") return cont();
return pass(statement, block);
}
function vardef1(type, value) {
if (type == "variable"){register(value); return cont(vardef2);}
return cont();
}
function vardef2(type, value) {
if (value == "=") return cont(expression, vardef2);
if (type == ",") return cont(vardef1);
}
function forspec1(type) {
if (type == "var") return cont(vardef1, forspec2);
if (type == ";") return pass(forspec2);
if (type == "variable") return cont(formaybein);
return pass(forspec2);
}
function formaybein(type, value) {
if (value == "in") return cont(expression);
return cont(maybeoperator, forspec2);
}
function forspec2(type, value) {
if (type == ";") return cont(forspec3);
if (value == "in") return cont(expression);
return cont(expression, expect(";"), forspec3);
}
function forspec3(type) {
if (type != ")") cont(expression);
}
function functiondef(type, value) {
if (type == "variable") {register(value); return cont(functiondef);}
if (type == "(") return cont(pushlex(")"), pushcontext, commasep(funarg, ")"), poplex, statement, popcontext);
}
function funarg(type, value) {
if (type == "variable") {register(value); return cont();}
}
// Interface
return {
startState: function(basecolumn) {
return {
tokenize: jsTokenBase,
reAllowed: true,
kwAllowed: true,
cc: [],
lexical: new JSLexical((basecolumn || 0) - indentUnit, 0, "block", false),
localVars: null,
context: null,
indented: 0
};
},
token: function(stream, state) {
if (stream.sol()) {
if (!state.lexical.hasOwnProperty("align"))
state.lexical.align = false;
state.indented = stream.indentation();
}
if (stream.eatSpace()) return null;
var style = state.tokenize(stream, state);
if (type == "comment") return style;
state.reAllowed = type == "operator" || type == "keyword c" || type.match(/^[[{}(,;:]$/);
state.kwAllowed = type != '.';
return parseJS(state, style, type, content, stream);
},
indent: function(state, textAfter) {
if (state.tokenize != jsTokenBase) return 0;
var firstChar = textAfter && textAfter.charAt(0), lexical = state.lexical,
type = lexical.type, closing = firstChar == type;
if (type == "vardef") return lexical.indented + 4;
else if (type == "form" && firstChar == "{") return lexical.indented;
else if (type == "stat" || type == "form") return lexical.indented + indentUnit;
else if (lexical.info == "switch" && !closing)
return lexical.indented + (/^(?:case|default)b/.test(textAfter) ? indentUnit : 2 * indentUnit);
else if (lexical.align) return lexical.column + (closing ? 0 : 1);
else return lexical.indented + (closing ? 0 : indentUnit);
},
electricChars: ":{}"
};
});
CodeMirror.defineMIME("text/javascript", "javascript");
CodeMirror.defineMIME("application/json", {name: "javascript", json: true});
?>