mirror of
https://github.com/renbaoshuo/S2OJ.git
synced 2024-11-25 17:08:42 +00:00
96d4a3ecf7
Due to historical reasons, the code is in subfolder "1". With SVN removal, we place the code back and remove the annoying "1" folder.
519 lines
17 KiB
JavaScript
519 lines
17 KiB
JavaScript
// 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
|
|
|
|
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, "abstract":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) {
|
|
function f(type) {
|
|
if (type == wanted) return cont();
|
|
else if (wanted == ";") return pass();
|
|
else return cont(f);
|
|
};
|
|
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(")"),
|
|
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(")"), commasep(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 == "." || value == "*") return cont(importdef);
|
|
}
|
|
|
|
function typedef (type, value)
|
|
{
|
|
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(); }
|
|
}
|
|
|
|
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: "{}",
|
|
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");
|
|
|
|
});
|