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("go", 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 | "break":true, "case":true, "chan":true, "const":true, "continue":true,
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19 | "default":true, "defer":true, "else":true, "fallthrough":true, "for":true,
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20 | "func":true, "go":true, "goto":true, "if":true, "import":true,
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21 | "interface":true, "map":true, "package":true, "range":true, "return":true,
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22 | "select":true, "struct":true, "switch":true, "type":true, "var":true,
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23 | "bool":true, "byte":true, "complex64":true, "complex128":true,
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24 | "float32":true, "float64":true, "int8":true, "int16":true, "int32":true,
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25 | "int64":true, "string":true, "uint8":true, "uint16":true, "uint32":true,
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26 | "uint64":true, "int":true, "uint":true, "uintptr":true, "error": true,
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27 | "rune":true
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28 | };
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29 |
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30 | var atoms = {
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31 | "true":true, "false":true, "iota":true, "nil":true, "append":true,
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32 | "cap":true, "close":true, "complex":true, "copy":true, "delete":true, "imag":true,
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33 | "len":true, "make":true, "new":true, "panic":true, "print":true,
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34 | "println":true, "real":true, "recover":true
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35 | };
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36 |
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37 | var isOperatorChar = /[+\-*&^%:=<>!|\/]/;
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38 |
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39 | var curPunc;
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40 |
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41 | function tokenBase(stream, state) {
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42 | var ch = stream.next();
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43 | if (ch == '"' || ch == "'" || ch == "`") {
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44 | state.tokenize = tokenString(ch);
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45 | return state.tokenize(stream, state);
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46 | }
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47 | if (/[\d\.]/.test(ch)) {
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48 | if (ch == ".") {
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49 | stream.match(/^[0-9]+([eE][\-+]?[0-9]+)?/);
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50 | } else if (ch == "0") {
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51 | stream.match(/^[xX][0-9a-fA-F]+/) || stream.match(/^0[0-7]+/);
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52 | } else {
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53 | stream.match(/^[0-9]*\.?[0-9]*([eE][\-+]?[0-9]+)?/);
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54 | }
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55 | return "number";
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56 | }
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57 | if (/[\[\]{}\(\),;\:\.]/.test(ch)) {
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58 | curPunc = ch;
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59 | return null;
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60 | }
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61 | if (ch == "/") {
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62 | if (stream.eat("*")) {
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63 | state.tokenize = tokenComment;
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64 | return tokenComment(stream, state);
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65 | }
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66 | if (stream.eat("/")) {
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67 | stream.skipToEnd();
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68 | return "comment";
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69 | }
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70 | }
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71 | if (isOperatorChar.test(ch)) {
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72 | stream.eatWhile(isOperatorChar);
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73 | return "operator";
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74 | }
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75 | stream.eatWhile(/[\w\$_\xa1-\uffff]/);
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76 | var cur = stream.current();
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77 | if (keywords.propertyIsEnumerable(cur)) {
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78 | if (cur == "case" || cur == "default") curPunc = "case";
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79 | return "keyword";
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80 | }
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81 | if (atoms.propertyIsEnumerable(cur)) return "atom";
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82 | return "variable";
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83 | }
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84 |
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85 | function tokenString(quote) {
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86 | return function(stream, state) {
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87 | var escaped = false, next, end = false;
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88 | while ((next = stream.next()) != null) {
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89 | if (next == quote && !escaped) {end = true; break;}
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90 | escaped = !escaped && quote != "`" && next == "\\";
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91 | }
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92 | if (end || !(escaped || quote == "`"))
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93 | state.tokenize = tokenBase;
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94 | return "string";
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95 | };
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96 | }
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97 |
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98 | function tokenComment(stream, state) {
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99 | var maybeEnd = false, ch;
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100 | while (ch = stream.next()) {
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101 | if (ch == "/" && maybeEnd) {
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102 | state.tokenize = tokenBase;
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103 | break;
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104 | }
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105 | maybeEnd = (ch == "*");
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106 | }
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107 | return "comment";
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108 | }
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109 |
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110 | function Context(indented, column, type, align, prev) {
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111 | this.indented = indented;
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112 | this.column = column;
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113 | this.type = type;
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114 | this.align = align;
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115 | this.prev = prev;
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116 | }
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117 | function pushContext(state, col, type) {
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118 | return state.context = new Context(state.indented, col, type, null, state.context);
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119 | }
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120 | function popContext(state) {
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121 | if (!state.context.prev) return;
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122 | var t = state.context.type;
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123 | if (t == ")" || t == "]" || t == "}")
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124 | state.indented = state.context.indented;
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125 | return state.context = state.context.prev;
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126 | }
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127 |
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128 |
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129 |
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130 | return {
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131 | startState: function(basecolumn) {
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132 | return {
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133 | tokenize: null,
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134 | context: new Context((basecolumn || 0) - indentUnit, 0, "top", false),
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135 | indented: 0,
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136 | startOfLine: true
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137 | };
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138 | },
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139 |
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140 | token: function(stream, state) {
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141 | var ctx = state.context;
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142 | if (stream.sol()) {
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143 | if (ctx.align == null) ctx.align = false;
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144 | state.indented = stream.indentation();
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145 | state.startOfLine = true;
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146 | if (ctx.type == "case") ctx.type = "}";
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147 | }
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148 | if (stream.eatSpace()) return null;
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149 | curPunc = null;
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150 | var style = (state.tokenize || tokenBase)(stream, state);
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151 | if (style == "comment") return style;
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152 | if (ctx.align == null) ctx.align = true;
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153 |
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154 | if (curPunc == "{") pushContext(state, stream.column(), "}");
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155 | else if (curPunc == "[") pushContext(state, stream.column(), "]");
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156 | else if (curPunc == "(") pushContext(state, stream.column(), ")");
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157 | else if (curPunc == "case") ctx.type = "case";
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158 | else if (curPunc == "}" && ctx.type == "}") popContext(state);
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159 | else if (curPunc == ctx.type) popContext(state);
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160 | state.startOfLine = false;
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161 | return style;
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162 | },
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163 |
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164 | indent: function(state, textAfter) {
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165 | if (state.tokenize != tokenBase && state.tokenize != null) return CodeMirror.Pass;
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166 | var ctx = state.context, firstChar = textAfter && textAfter.charAt(0);
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167 | if (ctx.type == "case" && /^(?:case|default)\b/.test(textAfter)) {
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168 | state.context.type = "}";
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169 | return ctx.indented;
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170 | }
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171 | var closing = firstChar == ctx.type;
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172 | if (ctx.align) return ctx.column + (closing ? 0 : 1);
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173 | else return ctx.indented + (closing ? 0 : indentUnit);
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174 | },
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175 |
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176 | electricChars: "{}):",
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177 | closeBrackets: "()[]{}''\"\"``",
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178 | fold: "brace",
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179 | blockCommentStart: "/*",
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180 | blockCommentEnd: "*/",
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181 | lineComment: "//"
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182 | };
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183 | });
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184 |
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185 | CodeMirror.defineMIME("text/x-go", "go");
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186 |
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187 | });
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