Incs/codemirror/mode/sas/sas.js

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://codemirror.net/LICENSE


// SAS mode copyright (c) 2016 Jared Dean, SAS Institute
// Created by Jared Dean

// TODO
// indent and de-indent
// identify macro variables


//Definitions
//  comment -- text within * ; or /* */
//  keyword -- SAS language variable
//  variable -- macro variables starts with '&' or variable formats
//  variable-2 -- DATA Step, proc, or macro names
//  string -- text within ' ' or " "
//  operator -- numeric operator + / - * ** le eq ge ... and so on
//  builtin -- proc %macro data run mend
//  atom
//  def

(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("sas", function () {
    var words = {};
    var isDoubleOperatorSym = {
      eq: 'operator',
      lt: 'operator',
      le: 'operator',
      gt: 'operator',
      ge: 'operator',
      "in": 'operator',
      ne: 'operator',
      or: 'operator'
    };
    var isDoubleOperatorChar = /(<=|>=|!=|<>)/;
    var isSingleOperatorChar = /[=\(:\),{}.*<>+\-\/^\[\]]/;

    // Takes a string of words separated by spaces and adds them as
    // keys with the value of the first argument 'style'
    function define(style, string, context) {
      if (context) {
        var split = string.split(' ');
        for (var i = 0; i < split.length; i++) {
          words[split[i]] = {style: style, state: context};
        }
      }
    }
    //datastep
    define('def', 'stack pgm view source debug nesting nolist', ['inDataStep']);