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view rhodecode/public/js/mode/haxe/haxe.js @ 4147:1c8f818787b3 rhodecode-2.2.5-gpl
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author | Mads Kiilerich <madski@unity3d.com> |
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date | Wed, 02 Jul 2014 19:03:23 -0400 |
parents | a60a0e9092c6 |
children |
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CodeMirror.defineMode("haxe", function(config, parserConfig) { var indentUnit = config.indentUnit; // 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"}, attribute = {type:"attribute", style: "attribute"}; var type = kw("typedef"); return { "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"), "public": attribute, "private": attribute, "cast": kw("cast"), "import": kw("import"), "macro": kw("macro"), "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"), "class": type, "enum":type, "interface":type, "typedef":type, "extends":type, "implements":type, "dynamic":type, "true": atom, "false": atom, "null": 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 haxeTokenBase(stream, state) { var ch = stream.next(); if (ch == '"' || ch == "'") return chain(stream, state, haxeTokenString(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) || ch == "-" && stream.eat(/\d/)) { stream.match(/^\d*(?:\.\d*)?(?:[eE][+\-]?\d+)?/); return ret("number", "number"); } else if (state.reAllowed && (ch == "~" && stream.eat(/\//))) { nextUntilUnescaped(stream, "/"); stream.eatWhile(/[gimsu]/); return ret("regexp", "string-2"); } else if (ch == "/") { if (stream.eat("*")) { return chain(stream, state, haxeTokenComment); } else if (stream.eat("/")) { stream.skipToEnd(); return ret("comment", "comment"); } else { stream.eatWhile(isOperatorChar); return ret("operator", null, stream.current()); } } else if (ch == "#") { stream.skipToEnd(); return ret("conditional", "meta"); } else if (ch == "@") { stream.eat(/:/); stream.eatWhile(/[\w_]/); return ret ("metadata", "meta"); } else if (isOperatorChar.test(ch)) { stream.eatWhile(isOperatorChar); return ret("operator", null, stream.current()); } else { var word; if(/[A-Z]/.test(ch)) { stream.eatWhile(/[\w_<>]/); word = stream.current(); return ret("type", "variable-3", word); } 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 haxeTokenString(quote) { return function(stream, state) { if (!nextUntilUnescaped(stream, quote)) 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"; if (type == "variable" && imported(state, content)) return "variable-3"; return style; } } } 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; } function registerimport(importname) { 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 }; } // 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: 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; } 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) { return function(type) { if (type == wanted) return cont(); else if (wanted == ";") return pass(); else return cont(arguments.callee); }; } 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(")"), 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); 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); 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); 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" || 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(")"), comasep(metaargs, ")"), poplex, statement); } function metaargs(type) { if(type == "variable") return cont(); } function importdef (type, value) { if(type == "variable" && /[A-Z]/.test(value.charAt(0))) { registerimport(value); return cont(); } else if(type == "variable" || type == "property" || type == ".") return cont(importdef); } function typedef (type, value) { if(type == "variable" && /[A-Z]/.test(value.charAt(0))) { registerimport(value); return cont(); } } 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) { if (type == "variable") { register(value); } return cont(pushlex(")"), pushcontext, forin, expression, poplex, statement, popcontext); } function forin(_type, value) { if (value == "in") return cont(); } function functiondef(type, value) { if (type == "variable") {register(value); return cont(functiondef);} 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) { var defaulttypes = ["Int", "Float", "String", "Void", "Std", "Bool", "Dynamic", "Array"]; return { tokenize: haxeTokenBase, reAllowed: true, kwAllowed: true, cc: [], lexical: new HaxeLexical((basecolumn || 0) - indentUnit, 0, "block", false), localVars: parserConfig.localVars, importedtypes: defaulttypes, context: parserConfig.localVars && {vars: parserConfig.localVars}, 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 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: "{}" }; }); CodeMirror.defineMIME("text/x-haxe", "haxe");