|
|
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 expecting(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, value) {
|
|
|
if (type == "attribute") return cont(maybeattribute);
|
|
|
if (type == "function") return cont(functiondef);
|
|
|
if (type == "var") return cont(vardef1);
|
|
|
}
|
|
|
|
|
|
function metadef(type, value) {
|
|
|
if(type == ":") return cont(metadef);
|
|
|
if(type == "variable") return cont(metadef);
|
|
|
if(type == "(") return cont(pushlex(")"), comasep(metaargs, ")"), poplex, statement)
|
|
|
}
|
|
|
function metaargs(type, value) {
|
|
|
if(typ == "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 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(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, value) {
|
|
|
if(type == ":") return cont(typestring);
|
|
|
}
|
|
|
function typestring(type, value) {
|
|
|
if(type == "type") return cont();
|
|
|
if(type == "variable") return cont();
|
|
|
if(type == "{") return cont(pushlex("}"), commasep(typeprop, "}"), poplex);
|
|
|
}
|
|
|
function typeprop(type, value) {
|
|
|
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);
|
|
|
},
|
|
|
compareStates: function(state1, state2) {
|
|
|
return (state1.localVars == state2.localVars) && (state1.context == state2.context);
|
|
|
},
|
|
|
|
|
|
electricChars: "{}"
|
|
|
};
|
|
|
});
|
|
|
|
|
|
CodeMirror.defineMIME("text/x-haxe", "haxe");
|
|
|
|
