1 |
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2 |
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3 |
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4 | (function(mod) {
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5 | if (typeof exports == "object" && typeof module == "object")
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6 | mod(require("../../lib/codemirror"));
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7 | else if (typeof define == "function" && define.amd)
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8 | define(["../../lib/codemirror"], mod);
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9 | else
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10 | mod(CodeMirror);
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11 | })(function(CodeMirror) {
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12 | "use strict";
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13 |
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14 | CodeMirror.defineMode("fcl", function(config) {
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15 | var indentUnit = config.indentUnit;
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16 |
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17 | var keywords = {
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18 | "term": true,
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19 | "method": true, "accu": true,
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20 | "rule": true, "then": true, "is": true, "and": true, "or": true,
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21 | "if": true, "default": true
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22 | };
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23 |
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24 | var start_blocks = {
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25 | "var_input": true,
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26 | "var_output": true,
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27 | "fuzzify": true,
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28 | "defuzzify": true,
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29 | "function_block": true,
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30 | "ruleblock": true
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31 | };
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32 |
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33 | var end_blocks = {
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34 | "end_ruleblock": true,
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35 | "end_defuzzify": true,
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36 | "end_function_block": true,
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37 | "end_fuzzify": true,
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38 | "end_var": true
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39 | };
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40 |
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41 | var atoms = {
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42 | "true": true, "false": true, "nan": true,
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43 | "real": true, "min": true, "max": true, "cog": true, "cogs": true
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44 | };
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45 |
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46 | var isOperatorChar = /[+\-*&^%:=<>!|\/]/;
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47 |
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48 | function tokenBase(stream, state) {
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49 | var ch = stream.next();
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50 |
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51 | if (/[\d\.]/.test(ch)) {
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52 | if (ch == ".") {
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53 | stream.match(/^[0-9]+([eE][\-+]?[0-9]+)?/);
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54 | } else if (ch == "0") {
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55 | stream.match(/^[xX][0-9a-fA-F]+/) || stream.match(/^0[0-7]+/);
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56 | } else {
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57 | stream.match(/^[0-9]*\.?[0-9]*([eE][\-+]?[0-9]+)?/);
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58 | }
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59 | return "number";
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60 | }
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61 |
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62 | if (ch == "/" || ch == "(") {
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63 | if (stream.eat("*")) {
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64 | state.tokenize = tokenComment;
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65 | return tokenComment(stream, state);
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66 | }
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67 | if (stream.eat("/")) {
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68 | stream.skipToEnd();
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69 | return "comment";
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70 | }
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71 | }
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72 | if (isOperatorChar.test(ch)) {
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73 | stream.eatWhile(isOperatorChar);
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74 | return "operator";
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75 | }
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76 | stream.eatWhile(/[\w\$_\xa1-\uffff]/);
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77 |
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78 | var cur = stream.current().toLowerCase();
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79 | if (keywords.propertyIsEnumerable(cur) ||
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80 | start_blocks.propertyIsEnumerable(cur) ||
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81 | end_blocks.propertyIsEnumerable(cur)) {
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82 | return "keyword";
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83 | }
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84 | if (atoms.propertyIsEnumerable(cur)) return "atom";
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85 | return "variable";
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86 | }
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87 |
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88 |
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89 | function tokenComment(stream, state) {
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90 | var maybeEnd = false, ch;
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91 | while (ch = stream.next()) {
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92 | if ((ch == "/" || ch == ")") && maybeEnd) {
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93 | state.tokenize = tokenBase;
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94 | break;
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95 | }
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96 | maybeEnd = (ch == "*");
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97 | }
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98 | return "comment";
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99 | }
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100 |
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101 | function Context(indented, column, type, align, prev) {
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102 | this.indented = indented;
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103 | this.column = column;
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104 | this.type = type;
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105 | this.align = align;
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106 | this.prev = prev;
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107 | }
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108 |
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109 | function pushContext(state, col, type) {
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110 | return state.context = new Context(state.indented, col, type, null, state.context);
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111 | }
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112 |
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113 | function popContext(state) {
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114 | if (!state.context.prev) return;
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115 | var t = state.context.type;
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116 | if (t == "end_block")
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117 | state.indented = state.context.indented;
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118 | return state.context = state.context.prev;
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119 | }
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120 |
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121 |
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122 |
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123 | return {
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124 | startState: function(basecolumn) {
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125 | return {
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126 | tokenize: null,
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127 | context: new Context((basecolumn || 0) - indentUnit, 0, "top", false),
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128 | indented: 0,
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129 | startOfLine: true
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130 | };
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131 | },
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132 |
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133 | token: function(stream, state) {
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134 | var ctx = state.context;
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135 | if (stream.sol()) {
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136 | if (ctx.align == null) ctx.align = false;
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137 | state.indented = stream.indentation();
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138 | state.startOfLine = true;
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139 | }
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140 | if (stream.eatSpace()) return null;
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141 |
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142 | var style = (state.tokenize || tokenBase)(stream, state);
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143 | if (style == "comment") return style;
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144 | if (ctx.align == null) ctx.align = true;
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145 |
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146 | var cur = stream.current().toLowerCase();
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147 |
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148 | if (start_blocks.propertyIsEnumerable(cur)) pushContext(state, stream.column(), "end_block");
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149 | else if (end_blocks.propertyIsEnumerable(cur)) popContext(state);
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150 |
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151 | state.startOfLine = false;
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152 | return style;
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153 | },
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154 |
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155 | indent: function(state, textAfter) {
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156 | if (state.tokenize != tokenBase && state.tokenize != null) return 0;
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157 | var ctx = state.context;
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158 |
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159 | var closing = end_blocks.propertyIsEnumerable(textAfter);
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160 | if (ctx.align) return ctx.column + (closing ? 0 : 1);
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161 | else return ctx.indented + (closing ? 0 : indentUnit);
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162 | },
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163 |
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164 | electricChars: "ryk",
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165 | fold: "brace",
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166 | blockCommentStart: "(*",
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167 | blockCommentEnd: "*)",
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168 | lineComment: "//"
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169 | };
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170 | });
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171 |
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172 | CodeMirror.defineMIME("text/x-fcl", "fcl");
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173 | });
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