##// END OF EJS Templates
licenses: Add tornado license information....
licenses: Add tornado license information. We are using a modified version of some code which originates from the tornado web server project. Therfore we include the original license information in our project to comply to the license.

File last commit:

r1:854a839a default
r476:16ff155b default
Show More
ebnf.js
195 lines | 5.9 KiB | application/javascript | JavascriptLexer
project: added all source files and assets
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("ebnf", function (config) {
var commentType = {slash: 0, parenthesis: 1};
var stateType = {comment: 0, _string: 1, characterClass: 2};
var bracesMode = null;
if (config.bracesMode)
bracesMode = CodeMirror.getMode(config, config.bracesMode);
return {
startState: function () {
return {
stringType: null,
commentType: null,
braced: 0,
lhs: true,
localState: null,
stack: [],
inDefinition: false
};
},
token: function (stream, state) {
if (!stream) return;
//check for state changes
if (state.stack.length === 0) {
//strings
if ((stream.peek() == '"') || (stream.peek() == "'")) {
state.stringType = stream.peek();
stream.next(); // Skip quote
state.stack.unshift(stateType._string);
} else if (stream.match(/^\/\*/)) { //comments starting with /*
state.stack.unshift(stateType.comment);
state.commentType = commentType.slash;
} else if (stream.match(/^\(\*/)) { //comments starting with (*
state.stack.unshift(stateType.comment);
state.commentType = commentType.parenthesis;
}
}
//return state
//stack has
switch (state.stack[0]) {
case stateType._string:
while (state.stack[0] === stateType._string && !stream.eol()) {
if (stream.peek() === state.stringType) {
stream.next(); // Skip quote
state.stack.shift(); // Clear flag
} else if (stream.peek() === "\\") {
stream.next();
stream.next();
} else {
stream.match(/^.[^\\\"\']*/);
}
}
return state.lhs ? "property string" : "string"; // Token style
case stateType.comment:
while (state.stack[0] === stateType.comment && !stream.eol()) {
if (state.commentType === commentType.slash && stream.match(/\*\//)) {
state.stack.shift(); // Clear flag
state.commentType = null;
} else if (state.commentType === commentType.parenthesis && stream.match(/\*\)/)) {
state.stack.shift(); // Clear flag
state.commentType = null;
} else {
stream.match(/^.[^\*]*/);
}
}
return "comment";
case stateType.characterClass:
while (state.stack[0] === stateType.characterClass && !stream.eol()) {
if (!(stream.match(/^[^\]\\]+/) || stream.match(/^\\./))) {
state.stack.shift();
}
}
return "operator";
}
var peek = stream.peek();
if (bracesMode !== null && (state.braced || peek === "{")) {
if (state.localState === null)
state.localState = bracesMode.startState();
var token = bracesMode.token(stream, state.localState),
text = stream.current();
if (!token) {
for (var i = 0; i < text.length; i++) {
if (text[i] === "{") {
if (state.braced === 0) {
token = "matchingbracket";
}
state.braced++;
} else if (text[i] === "}") {
state.braced--;
if (state.braced === 0) {
token = "matchingbracket";
}
}
}
}
return token;
}
//no stack
switch (peek) {
case "[":
stream.next();
state.stack.unshift(stateType.characterClass);
return "bracket";
case ":":
case "|":
case ";":
stream.next();
return "operator";
case "%":
if (stream.match("%%")) {
return "header";
} else if (stream.match(/[%][A-Za-z]+/)) {
return "keyword";
} else if (stream.match(/[%][}]/)) {
return "matchingbracket";
}
break;
case "/":
if (stream.match(/[\/][A-Za-z]+/)) {
return "keyword";
}
case "\\":
if (stream.match(/[\][a-z]+/)) {
return "string-2";
}
case ".":
if (stream.match(".")) {
return "atom";
}
case "*":
case "-":
case "+":
case "^":
if (stream.match(peek)) {
return "atom";
}
case "$":
if (stream.match("$$")) {
return "builtin";
} else if (stream.match(/[$][0-9]+/)) {
return "variable-3";
}
case "<":
if (stream.match(/<<[a-zA-Z_]+>>/)) {
return "builtin";
}
}
if (stream.match(/^\/\//)) {
stream.skipToEnd();
return "comment";
} else if (stream.match(/return/)) {
return "operator";
} else if (stream.match(/^[a-zA-Z_][a-zA-Z0-9_]*/)) {
if (stream.match(/(?=[\(.])/)) {
return "variable";
} else if (stream.match(/(?=[\s\n]*[:=])/)) {
return "def";
}
return "variable-2";
} else if (["[", "]", "(", ")"].indexOf(stream.peek()) != -1) {
stream.next();
return "bracket";
} else if (!stream.eatSpace()) {
stream.next();
}
return null;
}
};
});
CodeMirror.defineMIME("text/x-ebnf", "ebnf");
});