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   1  // CodeMirror, copyright (c) by Marijn Haverbeke and others
   2  // Distributed under an MIT license: https://codemirror.net/5/LICENSE
   3  
   4  (function(mod) {
   5    if (typeof exports == "object" && typeof module == "object")
   6      mod(require("../../lib/codemirror"));
   7    else if (typeof define == "function" && define.amd)
   8      define(["../../lib/codemirror"], mod);
   9    else
  10      mod(CodeMirror);
  11  })(function(CodeMirror) {
  12  "use strict";
  13  
  14  CodeMirror.defineMode("cmake", function () {
  15    var variable_regex = /({)?[a-zA-Z0-9_]+(})?/;
  16  
  17    function tokenString(stream, state) {
  18      var current, prev, found_var = false;
  19      while (!stream.eol() && (current = stream.next()) != state.pending) {
  20        if (current === '$' && prev != '\\' && state.pending == '"') {
  21          found_var = true;
  22          break;
  23        }
  24        prev = current;
  25      }
  26      if (found_var) {
  27        stream.backUp(1);
  28      }
  29      if (current == state.pending) {
  30        state.continueString = false;
  31      } else {
  32        state.continueString = true;
  33      }
  34      return "string";
  35    }
  36  
  37    function tokenize(stream, state) {
  38      var ch = stream.next();
  39  
  40      // Have we found a variable?
  41      if (ch === '$') {
  42        if (stream.match(variable_regex)) {
  43          return 'variable-2';
  44        }
  45        return 'variable';
  46      }
  47      // Should we still be looking for the end of a string?
  48      if (state.continueString) {
  49        // If so, go through the loop again
  50        stream.backUp(1);
  51        return tokenString(stream, state);
  52      }
  53      // Do we just have a function on our hands?
  54      // In 'cmake_minimum_required (VERSION 2.8.8)', 'cmake_minimum_required' is matched
  55      if (stream.match(/(\s+)?\w+\(/) || stream.match(/(\s+)?\w+\ \(/)) {
  56        stream.backUp(1);
  57        return 'def';
  58      }
  59      if (ch == "#") {
  60        stream.skipToEnd();
  61        return "comment";
  62      }
  63      // Have we found a string?
  64      if (ch == "'" || ch == '"') {
  65        // Store the type (single or double)
  66        state.pending = ch;
  67        // Perform the looping function to find the end
  68        return tokenString(stream, state);
  69      }
  70      if (ch == '(' || ch == ')') {
  71        return 'bracket';
  72      }
  73      if (ch.match(/[0-9]/)) {
  74        return 'number';
  75      }
  76      stream.eatWhile(/[\w-]/);
  77      return null;
  78    }
  79    return {
  80      startState: function () {
  81        var state = {};
  82        state.inDefinition = false;
  83        state.inInclude = false;
  84        state.continueString = false;
  85        state.pending = false;
  86        return state;
  87      },
  88      token: function (stream, state) {
  89        if (stream.eatSpace()) return null;
  90        return tokenize(stream, state);
  91      }
  92    };
  93  });
  94  
  95  CodeMirror.defineMIME("text/x-cmake", "cmake");
  96  
  97  });