110 lines
3 KiB
JavaScript
110 lines
3 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("pascal", function() {
|
||
|
|
function words(str) {
|
||
|
|
var obj = {}, words = str.split(" ");
|
||
|
|
for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
|
||
|
|
return obj;
|
||
|
|
}
|
||
|
|
var keywords = words("and array begin case const div do downto else end file for forward integer " +
|
||
|
|
"boolean char function goto if in label mod nil not of or packed procedure " +
|
||
|
|
"program record repeat set string then to type until var while with");
|
||
|
|
var atoms = {"null": true};
|
||
|
|
|
||
|
|
var isOperatorChar = /[+\-*&%=<>!?|\/]/;
|
||
|
|
|
||
|
|
function tokenBase(stream, state) {
|
||
|
|
var ch = stream.next();
|
||
|
|
if (ch == "#" && state.startOfLine) {
|
||
|
|
stream.skipToEnd();
|
||
|
|
return "meta";
|
||
|
|
}
|
||
|
|
if (ch == '"' || ch == "'") {
|
||
|
|
state.tokenize = tokenString(ch);
|
||
|
|
return state.tokenize(stream, state);
|
||
|
|
}
|
||
|
|
if (ch == "(" && stream.eat("*")) {
|
||
|
|
state.tokenize = tokenComment;
|
||
|
|
return tokenComment(stream, state);
|
||
|
|
}
|
||
|
|
if (/[\[\]{}\(\),;\:\.]/.test(ch)) {
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
if (/\d/.test(ch)) {
|
||
|
|
stream.eatWhile(/[\w\.]/);
|
||
|
|
return "number";
|
||
|
|
}
|
||
|
|
if (ch == "/") {
|
||
|
|
if (stream.eat("/")) {
|
||
|
|
stream.skipToEnd();
|
||
|
|
return "comment";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (isOperatorChar.test(ch)) {
|
||
|
|
stream.eatWhile(isOperatorChar);
|
||
|
|
return "operator";
|
||
|
|
}
|
||
|
|
stream.eatWhile(/[\w\$_]/);
|
||
|
|
var cur = stream.current();
|
||
|
|
if (keywords.propertyIsEnumerable(cur)) return "keyword";
|
||
|
|
if (atoms.propertyIsEnumerable(cur)) return "atom";
|
||
|
|
return "variable";
|
||
|
|
}
|
||
|
|
|
||
|
|
function tokenString(quote) {
|
||
|
|
return function(stream, state) {
|
||
|
|
var escaped = false, next, end = false;
|
||
|
|
while ((next = stream.next()) != null) {
|
||
|
|
if (next == quote && !escaped) {end = true; break;}
|
||
|
|
escaped = !escaped && next == "\\";
|
||
|
|
}
|
||
|
|
if (end || !escaped) state.tokenize = null;
|
||
|
|
return "string";
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
function tokenComment(stream, state) {
|
||
|
|
var maybeEnd = false, ch;
|
||
|
|
while (ch = stream.next()) {
|
||
|
|
if (ch == ")" && maybeEnd) {
|
||
|
|
state.tokenize = null;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
maybeEnd = (ch == "*");
|
||
|
|
}
|
||
|
|
return "comment";
|
||
|
|
}
|
||
|
|
|
||
|
|
// Interface
|
||
|
|
|
||
|
|
return {
|
||
|
|
startState: function() {
|
||
|
|
return {tokenize: null};
|
||
|
|
},
|
||
|
|
|
||
|
|
token: function(stream, state) {
|
||
|
|
if (stream.eatSpace()) return null;
|
||
|
|
var style = (state.tokenize || tokenBase)(stream, state);
|
||
|
|
if (style == "comment" || style == "meta") return style;
|
||
|
|
return style;
|
||
|
|
},
|
||
|
|
|
||
|
|
electricChars: "{}"
|
||
|
|
};
|
||
|
|
});
|
||
|
|
|
||
|
|
CodeMirror.defineMIME("text/x-pascal", "pascal");
|
||
|
|
|
||
|
|
});
|