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haxe.js
515 lines
| 17.2 KiB
| application/javascript
|
JavascriptLexer
r1 | // CodeMirror, copyright (c) by Marijn Haverbeke and others | |||
// Distributed under an MIT license: http://codemirror.net/LICENSE | ||||
(function(mod) { | ||||
if (typeof exports == "object" && typeof module == "object") // CommonJS | ||||
mod(require("../../lib/codemirror")); | ||||
else if (typeof define == "function" && define.amd) // AMD | ||||
define(["../../lib/codemirror"], mod); | ||||
else // Plain browser env | ||||
mod(CodeMirror); | ||||
})(function(CodeMirror) { | ||||
"use strict"; | ||||
CodeMirror.defineMode("haxe", function(config, parserConfig) { | ||||
var indentUnit = config.indentUnit; | ||||
// Tokenizer | ||||
r346 | 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"}, attribute = {type:"attribute", style: "attribute"}; | ||||
r1 | var type = kw("typedef"); | |||
r346 | var keywords = { | |||
"if": A, "while": A, "else": B, "do": B, "try": B, | ||||
"return": C, "break": C, "continue": C, "new": C, "throw": C, | ||||
"var": kw("var"), "inline":attribute, "static": attribute, "using":kw("import"), | ||||
r1 | "public": attribute, "private": attribute, "cast": kw("cast"), "import": kw("import"), "macro": kw("macro"), | |||
r346 | "function": kw("function"), "catch": kw("catch"), "untyped": kw("untyped"), "callback": kw("cb"), | |||
"for": kw("for"), "switch": kw("switch"), "case": kw("case"), "default": kw("default"), | ||||
"in": operator, "never": kw("property_access"), "trace":kw("trace"), | ||||
r1 | "class": type, "abstract":type, "enum":type, "interface":type, "typedef":type, "extends":type, "implements":type, "dynamic":type, | |||
r346 | "true": atom, "false": atom, "null": atom | |||
}; | ||||
r1 | ||||
var isOperatorChar = /[+\-*&%=<>!?|]/; | ||||
function chain(stream, state, f) { | ||||
state.tokenize = f; | ||||
return f(stream, state); | ||||
} | ||||
r346 | function toUnescaped(stream, end) { | |||
r1 | var escaped = false, next; | |||
while ((next = stream.next()) != null) { | ||||
if (next == end && !escaped) | ||||
r346 | return true; | |||
r1 | escaped = !escaped && next == "\\"; | |||
} | ||||
} | ||||
// 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 haxeTokenBase(stream, state) { | ||||
var ch = stream.next(); | ||||
r346 | if (ch == '"' || ch == "'") { | |||
r1 | return chain(stream, state, haxeTokenString(ch)); | |||
r346 | } else if (/[\[\]{}\(\),;\:\.]/.test(ch)) { | |||
r1 | return ret(ch); | |||
r346 | } else if (ch == "0" && stream.eat(/x/i)) { | |||
r1 | stream.eatWhile(/[\da-f]/i); | |||
return ret("number", "number"); | ||||
r346 | } else if (/\d/.test(ch) || ch == "-" && stream.eat(/\d/)) { | |||
stream.match(/^\d*(?:\.\d*(?!\.))?(?:[eE][+\-]?\d+)?/); | ||||
r1 | return ret("number", "number"); | |||
r346 | } else if (state.reAllowed && (ch == "~" && stream.eat(/\//))) { | |||
toUnescaped(stream, "/"); | ||||
r1 | stream.eatWhile(/[gimsu]/); | |||
return ret("regexp", "string-2"); | ||||
r346 | } else if (ch == "/") { | |||
r1 | if (stream.eat("*")) { | |||
return chain(stream, state, haxeTokenComment); | ||||
r346 | } else if (stream.eat("/")) { | |||
r1 | stream.skipToEnd(); | |||
return ret("comment", "comment"); | ||||
r346 | } else { | |||
r1 | stream.eatWhile(isOperatorChar); | |||
return ret("operator", null, stream.current()); | ||||
} | ||||
r346 | } else if (ch == "#") { | |||
r1 | stream.skipToEnd(); | |||
return ret("conditional", "meta"); | ||||
r346 | } else if (ch == "@") { | |||
r1 | stream.eat(/:/); | |||
stream.eatWhile(/[\w_]/); | ||||
return ret ("metadata", "meta"); | ||||
r346 | } else if (isOperatorChar.test(ch)) { | |||
r1 | stream.eatWhile(isOperatorChar); | |||
return ret("operator", null, stream.current()); | ||||
r346 | } else { | |||
var word; | ||||
if(/[A-Z]/.test(ch)) { | ||||
stream.eatWhile(/[\w_<>]/); | ||||
word = stream.current(); | ||||
return ret("type", "variable-3", word); | ||||
} else { | ||||
r1 | 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); | ||||
r346 | } | |||
r1 | } | |||
} | ||||
function haxeTokenString(quote) { | ||||
return function(stream, state) { | ||||
r346 | if (toUnescaped(stream, quote)) | |||
r1 | state.tokenize = haxeTokenBase; | |||
return ret("string", "string"); | ||||
}; | ||||
} | ||||
function haxeTokenComment(stream, state) { | ||||
var maybeEnd = false, ch; | ||||
while (ch = stream.next()) { | ||||
if (ch == "/" && maybeEnd) { | ||||
state.tokenize = haxeTokenBase; | ||||
break; | ||||
} | ||||
maybeEnd = (ch == "*"); | ||||
} | ||||
return ret("comment", "comment"); | ||||
} | ||||
// Parser | ||||
var atomicTypes = {"atom": true, "number": true, "variable": true, "string": true, "regexp": true}; | ||||
function HaxeLexical(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 parseHaxe(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() : 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"; | ||||
r346 | if (type == "variable" && imported(state, content)) return "variable-3"; | |||
r1 | return style; | |||
} | ||||
} | ||||
} | ||||
r346 | function imported(state, typename) { | |||
if (/[a-z]/.test(typename.charAt(0))) | ||||
return false; | ||||
var len = state.importedtypes.length; | ||||
for (var i = 0; i<len; i++) | ||||
if(state.importedtypes[i]==typename) return true; | ||||
r1 | } | |||
function registerimport(importname) { | ||||
r346 | var state = cx.state; | |||
for (var t = state.importedtypes; t; t = t.next) | ||||
if(t.name == importname) return; | ||||
state.importedtypes = { name: importname, next: state.importedtypes }; | ||||
r1 | } | |||
// 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; | ||||
} | ||||
r346 | function inList(name, list) { | |||
for (var v = list; v; v = v.next) | ||||
if (v.name == name) return true; | ||||
return false; | ||||
} | ||||
r1 | function register(varname) { | |||
var state = cx.state; | ||||
if (state.context) { | ||||
cx.marked = "def"; | ||||
r346 | if (inList(varname, state.localVars)) return; | |||
r1 | state.localVars = {name: varname, next: state.localVars}; | |||
r346 | } else if (state.globalVars) { | |||
if (inList(varname, state.globalVars)) return; | ||||
state.globalVars = {name: varname, next: state.globalVars}; | ||||
r1 | } | |||
} | ||||
// Combinators | ||||
var defaultVars = {name: "this", next: null}; | ||||
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; | ||||
} | ||||
r346 | popcontext.lex = true; | |||
r1 | function pushlex(type, info) { | |||
var result = function() { | ||||
var state = cx.state; | ||||
state.lexical = new HaxeLexical(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) { | ||||
function f(type) { | ||||
if (type == wanted) return cont(); | ||||
else if (wanted == ";") return pass(); | ||||
else return cont(f); | ||||
r346 | } | |||
r1 | return f; | |||
} | ||||
function statement(type) { | ||||
if (type == "@") return cont(metadef); | ||||
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("}"), pushcontext, block, poplex, popcontext); | ||||
if (type == ";") return cont(); | ||||
if (type == "attribute") return cont(maybeattribute); | ||||
if (type == "function") return cont(functiondef); | ||||
if (type == "for") return cont(pushlex("form"), expect("("), pushlex(")"), forspec1, expect(")"), | ||||
r346 | poplex, statement, poplex); | |||
r1 | if (type == "variable") return cont(pushlex("stat"), maybelabel); | |||
if (type == "switch") return cont(pushlex("form"), expression, pushlex("}", "switch"), expect("{"), | ||||
r346 | block, poplex, poplex); | |||
r1 | if (type == "case") return cont(expression, expect(":")); | |||
if (type == "default") return cont(expect(":")); | ||||
if (type == "catch") return cont(pushlex("form"), pushcontext, expect("("), funarg, expect(")"), | ||||
r346 | statement, poplex, popcontext); | |||
r1 | if (type == "import") return cont(importdef, expect(";")); | |||
if (type == "typedef") return cont(typedef); | ||||
return pass(pushlex("stat"), expression, expect(";"), poplex); | ||||
} | ||||
function expression(type) { | ||||
if (atomicTypes.hasOwnProperty(type)) return cont(maybeoperator); | ||||
r346 | if (type == "type" ) return cont(maybeoperator); | |||
r1 | if (type == "function") return cont(functiondef); | |||
if (type == "keyword c") return cont(maybeexpression); | ||||
if (type == "(") return cont(pushlex(")"), maybeexpression, expect(")"), poplex, maybeoperator); | ||||
if (type == "operator") return cont(expression); | ||||
r346 | if (type == "[") return cont(pushlex("]"), commasep(maybeexpression, "]"), poplex, maybeoperator); | |||
r1 | 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" || type == ":") 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 maybeattribute(type) { | ||||
if (type == "attribute") return cont(maybeattribute); | ||||
if (type == "function") return cont(functiondef); | ||||
if (type == "var") return cont(vardef1); | ||||
} | ||||
function metadef(type) { | ||||
if(type == ":") return cont(metadef); | ||||
if(type == "variable") return cont(metadef); | ||||
if(type == "(") return cont(pushlex(")"), commasep(metaargs, ")"), poplex, statement); | ||||
} | ||||
function metaargs(type) { | ||||
if(type == "variable") return cont(); | ||||
} | ||||
function importdef (type, value) { | ||||
r346 | if(type == "variable" && /[A-Z]/.test(value.charAt(0))) { registerimport(value); return cont(); } | |||
else if(type == "variable" || type == "property" || type == "." || value == "*") return cont(importdef); | ||||
r1 | } | |||
function typedef (type, value) | ||||
{ | ||||
r346 | if(type == "variable" && /[A-Z]/.test(value.charAt(0))) { registerimport(value); return cont(); } | |||
else if (type == "type" && /[A-Z]/.test(value.charAt(0))) { return cont(); } | ||||
r1 | } | |||
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(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(typeuse, vardef2);} | ||||
return cont(); | ||||
} | ||||
function vardef2(type, value) { | ||||
if (value == "=") return cont(expression, vardef2); | ||||
if (type == ",") return cont(vardef1); | ||||
} | ||||
function forspec1(type, value) { | ||||
r346 | if (type == "variable") { | |||
register(value); | ||||
return cont(forin, expression) | ||||
} else { | ||||
return pass() | ||||
} | ||||
r1 | } | |||
function forin(_type, value) { | ||||
if (value == "in") return cont(); | ||||
} | ||||
function functiondef(type, value) { | ||||
r346 | //function names starting with upper-case letters are recognised as types, so cludging them together here. | |||
if (type == "variable" || type == "type") {register(value); return cont(functiondef);} | ||||
r1 | if (value == "new") return cont(functiondef); | |||
if (type == "(") return cont(pushlex(")"), pushcontext, commasep(funarg, ")"), poplex, typeuse, statement, popcontext); | ||||
} | ||||
function typeuse(type) { | ||||
if(type == ":") return cont(typestring); | ||||
} | ||||
function typestring(type) { | ||||
if(type == "type") return cont(); | ||||
if(type == "variable") return cont(); | ||||
if(type == "{") return cont(pushlex("}"), commasep(typeprop, "}"), poplex); | ||||
} | ||||
function typeprop(type) { | ||||
if(type == "variable") return cont(typeuse); | ||||
} | ||||
function funarg(type, value) { | ||||
if (type == "variable") {register(value); return cont(typeuse);} | ||||
} | ||||
// Interface | ||||
return { | ||||
startState: function(basecolumn) { | ||||
r346 | var defaulttypes = ["Int", "Float", "String", "Void", "Std", "Bool", "Dynamic", "Array"]; | |||
var state = { | ||||
r1 | tokenize: haxeTokenBase, | |||
reAllowed: true, | ||||
kwAllowed: true, | ||||
cc: [], | ||||
lexical: new HaxeLexical((basecolumn || 0) - indentUnit, 0, "block", false), | ||||
localVars: parserConfig.localVars, | ||||
r346 | importedtypes: defaulttypes, | |||
r1 | context: parserConfig.localVars && {vars: parserConfig.localVars}, | |||
indented: 0 | ||||
}; | ||||
r346 | if (parserConfig.globalVars && typeof parserConfig.globalVars == "object") | |||
state.globalVars = parserConfig.globalVars; | ||||
return state; | ||||
r1 | }, | |||
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 parseHaxe(state, style, type, content, stream); | ||||
}, | ||||
indent: function(state, textAfter) { | ||||
if (state.tokenize != haxeTokenBase) return 0; | ||||
var firstChar = textAfter && textAfter.charAt(0), lexical = state.lexical; | ||||
if (lexical.type == "stat" && firstChar == "}") lexical = lexical.prev; | ||||
var 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: "{}", | ||||
blockCommentStart: "/*", | ||||
blockCommentEnd: "*/", | ||||
lineComment: "//" | ||||
}; | ||||
}); | ||||
CodeMirror.defineMIME("text/x-haxe", "haxe"); | ||||
CodeMirror.defineMode("hxml", function () { | ||||
return { | ||||
startState: function () { | ||||
return { | ||||
define: false, | ||||
inString: false | ||||
}; | ||||
}, | ||||
token: function (stream, state) { | ||||
var ch = stream.peek(); | ||||
var sol = stream.sol(); | ||||
///* comments */ | ||||
if (ch == "#") { | ||||
stream.skipToEnd(); | ||||
return "comment"; | ||||
} | ||||
if (sol && ch == "-") { | ||||
var style = "variable-2"; | ||||
stream.eat(/-/); | ||||
if (stream.peek() == "-") { | ||||
stream.eat(/-/); | ||||
style = "keyword a"; | ||||
} | ||||
if (stream.peek() == "D") { | ||||
stream.eat(/[D]/); | ||||
style = "keyword c"; | ||||
state.define = true; | ||||
} | ||||
stream.eatWhile(/[A-Z]/i); | ||||
return style; | ||||
} | ||||
var ch = stream.peek(); | ||||
if (state.inString == false && ch == "'") { | ||||
state.inString = true; | ||||
ch = stream.next(); | ||||
} | ||||
if (state.inString == true) { | ||||
if (stream.skipTo("'")) { | ||||
} else { | ||||
stream.skipToEnd(); | ||||
} | ||||
if (stream.peek() == "'") { | ||||
stream.next(); | ||||
state.inString = false; | ||||
} | ||||
return "string"; | ||||
} | ||||
stream.next(); | ||||
return null; | ||||
}, | ||||
lineComment: "#" | ||||
}; | ||||
}); | ||||
CodeMirror.defineMIME("text/x-hxml", "hxml"); | ||||
}); | ||||