virt2/api/soft/CodeMirror/mode/pascal/pascal.js

122 lines
3.8 KiB
JavaScript
Raw Normal View History

// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://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(
"absolute and array asm begin case const constructor destructor div do " +
"downto else end file for function goto if implementation in inherited " +
"inline interface label mod nil not object of operator or packed procedure " +
"program record reintroduce repeat self set shl shr string then to type " +
"unit until uses var while with xor as class dispinterface except exports " +
"finalization finally initialization inline is library on out packed " +
"property raise resourcestring threadvar try absolute abstract alias " +
"assembler bitpacked break cdecl continue cppdecl cvar default deprecated " +
"dynamic enumerator experimental export external far far16 forward generic " +
"helper implements index interrupt iocheck local message name near " +
"nodefault noreturn nostackframe oldfpccall otherwise overload override " +
"pascal platform private protected public published read register " +
"reintroduce result safecall saveregisters softfloat specialize static " +
"stdcall stored strict unaligned unimplemented varargs virtual write");
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");
});