115 lines
3.5 KiB
JavaScript
115 lines
3.5 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"), require("../javascript/javascript"));
|
||
|
|
else if (typeof define == "function" && define.amd) // AMD
|
||
|
|
define(["../../lib/codemirror", "../javascript/javascript"], mod);
|
||
|
|
else // Plain browser env
|
||
|
|
mod(CodeMirror);
|
||
|
|
})(function(CodeMirror) {
|
||
|
|
"use strict";
|
||
|
|
|
||
|
|
CodeMirror.defineMode("pegjs", function (config) {
|
||
|
|
var jsMode = CodeMirror.getMode(config, "javascript");
|
||
|
|
|
||
|
|
function identifier(stream) {
|
||
|
|
return stream.match(/^[a-zA-Z_][a-zA-Z0-9_]*/);
|
||
|
|
}
|
||
|
|
|
||
|
|
return {
|
||
|
|
startState: function () {
|
||
|
|
return {
|
||
|
|
inString: false,
|
||
|
|
stringType: null,
|
||
|
|
inComment: false,
|
||
|
|
inCharacterClass: false,
|
||
|
|
braced: 0,
|
||
|
|
lhs: true,
|
||
|
|
localState: null
|
||
|
|
};
|
||
|
|
},
|
||
|
|
token: function (stream, state) {
|
||
|
|
if (stream)
|
||
|
|
|
||
|
|
//check for state changes
|
||
|
|
if (!state.inString && !state.inComment && ((stream.peek() == '"') || (stream.peek() == "'"))) {
|
||
|
|
state.stringType = stream.peek();
|
||
|
|
stream.next(); // Skip quote
|
||
|
|
state.inString = true; // Update state
|
||
|
|
}
|
||
|
|
if (!state.inString && !state.inComment && stream.match(/^\/\*/)) {
|
||
|
|
state.inComment = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
//return state
|
||
|
|
if (state.inString) {
|
||
|
|
while (state.inString && !stream.eol()) {
|
||
|
|
if (stream.peek() === state.stringType) {
|
||
|
|
stream.next(); // Skip quote
|
||
|
|
state.inString = false; // Clear flag
|
||
|
|
} else if (stream.peek() === '\\') {
|
||
|
|
stream.next();
|
||
|
|
stream.next();
|
||
|
|
} else {
|
||
|
|
stream.match(/^.[^\\\"\']*/);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return state.lhs ? "property string" : "string"; // Token style
|
||
|
|
} else if (state.inComment) {
|
||
|
|
while (state.inComment && !stream.eol()) {
|
||
|
|
if (stream.match(/\*\//)) {
|
||
|
|
state.inComment = false; // Clear flag
|
||
|
|
} else {
|
||
|
|
stream.match(/^.[^\*]*/);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return "comment";
|
||
|
|
} else if (state.inCharacterClass) {
|
||
|
|
while (state.inCharacterClass && !stream.eol()) {
|
||
|
|
if (!(stream.match(/^[^\]\\]+/) || stream.match(/^\\./))) {
|
||
|
|
state.inCharacterClass = false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} else if (stream.peek() === '[') {
|
||
|
|
stream.next();
|
||
|
|
state.inCharacterClass = true;
|
||
|
|
return 'bracket';
|
||
|
|
} else if (stream.match(/^\/\//)) {
|
||
|
|
stream.skipToEnd();
|
||
|
|
return "comment";
|
||
|
|
} else if (state.braced || stream.peek() === '{') {
|
||
|
|
if (state.localState === null) {
|
||
|
|
state.localState = CodeMirror.startState(jsMode);
|
||
|
|
}
|
||
|
|
var token = jsMode.token(stream, state.localState);
|
||
|
|
var text = stream.current();
|
||
|
|
if (!token) {
|
||
|
|
for (var i = 0; i < text.length; i++) {
|
||
|
|
if (text[i] === '{') {
|
||
|
|
state.braced++;
|
||
|
|
} else if (text[i] === '}') {
|
||
|
|
state.braced--;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
}
|
||
|
|
return token;
|
||
|
|
} else if (identifier(stream)) {
|
||
|
|
if (stream.peek() === ':') {
|
||
|
|
return 'variable';
|
||
|
|
}
|
||
|
|
return 'variable-2';
|
||
|
|
} else if (['[', ']', '(', ')'].indexOf(stream.peek()) != -1) {
|
||
|
|
stream.next();
|
||
|
|
return 'bracket';
|
||
|
|
} else if (!stream.eatSpace()) {
|
||
|
|
stream.next();
|
||
|
|
}
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
}, "javascript");
|
||
|
|
|
||
|
|
});
|