1 |
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2 | (function() {
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3 | var Parser, alt, alternatives, grammar, name, o, operators, token, tokens, unwrap;
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4 |
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5 | Parser = require('jison').Parser;
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6 |
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7 | unwrap = /^function\s*\(\)\s*\{\s*return\s*([\s\S]*);\s*\}/;
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8 |
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9 | o = function(patternString, action, options) {
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10 | var addLocationDataFn, match, patternCount;
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11 | patternString = patternString.replace(/\s{2,}/g, ' ');
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12 | patternCount = patternString.split(' ').length;
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13 | if (!action) {
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14 | return [patternString, '$$ = $1;', options];
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15 | }
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16 | action = (match = unwrap.exec(action)) ? match[1] : "(" + action + "())";
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17 | action = action.replace(/\bnew /g, '$&yy.');
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18 | action = action.replace(/\b(?:Block\.wrap|extend)\b/g, 'yy.$&');
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19 | addLocationDataFn = function(first, last) {
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20 | if (!last) {
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21 | return "yy.addLocationDataFn(@" + first + ")";
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22 | } else {
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23 | return "yy.addLocationDataFn(@" + first + ", @" + last + ")";
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24 | }
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25 | };
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26 | action = action.replace(/LOC\(([0-9]*)\)/g, addLocationDataFn('$1'));
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27 | action = action.replace(/LOC\(([0-9]*),\s*([0-9]*)\)/g, addLocationDataFn('$1', '$2'));
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28 | return [patternString, "$$ = " + (addLocationDataFn(1, patternCount)) + "(" + action + ");", options];
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29 | };
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30 |
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31 | grammar = {
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32 | Root: [
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33 | o('', function() {
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34 | return new Block;
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35 | }), o('Body'), o('Block TERMINATOR')
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36 | ],
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37 | Body: [
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38 | o('Line', function() {
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39 | return Block.wrap([$1]);
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40 | }), o('Body TERMINATOR Line', function() {
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41 | return $1.push($3);
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42 | }), o('Body TERMINATOR')
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43 | ],
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44 | Line: [o('Expression'), o('Statement')],
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45 | Statement: [
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46 | o('Return'), o('Comment'), o('STATEMENT', function() {
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47 | return new Literal($1);
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48 | })
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49 | ],
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50 | Expression: [o('Value'), o('Invocation'), o('Code'), o('Operation'), o('Assign'), o('If'), o('Try'), o('While'), o('For'), o('Switch'), o('Class'), o('Throw')],
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51 | Block: [
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52 | o('INDENT OUTDENT', function() {
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53 | return new Block;
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54 | }), o('INDENT Body OUTDENT', function() {
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55 | return $2;
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56 | })
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57 | ],
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58 | Identifier: [
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59 | o('IDENTIFIER', function() {
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60 | return new Literal($1);
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61 | })
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62 | ],
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63 | AlphaNumeric: [
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64 | o('NUMBER', function() {
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65 | return new Literal($1);
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66 | }), o('STRING', function() {
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67 | return new Literal($1);
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68 | })
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69 | ],
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70 | Literal: [
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71 | o('AlphaNumeric'), o('JS', function() {
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72 | return new Literal($1);
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73 | }), o('REGEX', function() {
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74 | return new Literal($1);
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75 | }), o('DEBUGGER', function() {
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76 | return new Literal($1);
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77 | }), o('UNDEFINED', function() {
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78 | return new Undefined;
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79 | }), o('NULL', function() {
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80 | return new Null;
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81 | }), o('BOOL', function() {
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82 | return new Bool($1);
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83 | })
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84 | ],
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85 | Assign: [
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86 | o('Assignable = Expression', function() {
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87 | return new Assign($1, $3);
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88 | }), o('Assignable = TERMINATOR Expression', function() {
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89 | return new Assign($1, $4);
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90 | }), o('Assignable = INDENT Expression OUTDENT', function() {
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91 | return new Assign($1, $4);
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92 | })
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93 | ],
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94 | AssignObj: [
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95 | o('ObjAssignable', function() {
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96 | return new Value($1);
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97 | }), o('ObjAssignable : Expression', function() {
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98 | return new Assign(LOC(1)(new Value($1)), $3, 'object');
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99 | }), o('ObjAssignable :\
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100 | INDENT Expression OUTDENT', function() {
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101 | return new Assign(LOC(1)(new Value($1)), $4, 'object');
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102 | }), o('Comment')
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103 | ],
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104 | ObjAssignable: [o('Identifier'), o('AlphaNumeric'), o('ThisProperty')],
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105 | Return: [
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106 | o('RETURN Expression', function() {
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107 | return new Return($2);
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108 | }), o('RETURN', function() {
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109 | return new Return;
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110 | })
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111 | ],
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112 | Comment: [
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113 | o('HERECOMMENT', function() {
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114 | return new Comment($1);
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115 | })
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116 | ],
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117 | Code: [
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118 | o('PARAM_START ParamList PARAM_END FuncGlyph Block', function() {
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119 | return new Code($2, $5, $4);
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120 | }), o('FuncGlyph Block', function() {
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121 | return new Code([], $2, $1);
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122 | })
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123 | ],
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124 | FuncGlyph: [
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125 | o('->', function() {
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126 | return 'func';
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127 | }), o('=>', function() {
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128 | return 'boundfunc';
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129 | })
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130 | ],
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131 | OptComma: [o(''), o(',')],
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132 | ParamList: [
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133 | o('', function() {
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134 | return [];
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135 | }), o('Param', function() {
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136 | return [$1];
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137 | }), o('ParamList , Param', function() {
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138 | return $1.concat($3);
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139 | }), o('ParamList OptComma TERMINATOR Param', function() {
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140 | return $1.concat($4);
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141 | }), o('ParamList OptComma INDENT ParamList OptComma OUTDENT', function() {
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142 | return $1.concat($4);
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143 | })
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144 | ],
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145 | Param: [
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146 | o('ParamVar', function() {
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147 | return new Param($1);
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148 | }), o('ParamVar ...', function() {
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149 | return new Param($1, null, true);
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150 | }), o('ParamVar = Expression', function() {
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151 | return new Param($1, $3);
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152 | })
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153 | ],
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154 | ParamVar: [o('Identifier'), o('ThisProperty'), o('Array'), o('Object')],
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155 | Splat: [
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156 | o('Expression ...', function() {
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157 | return new Splat($1);
|
158 | })
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159 | ],
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160 | SimpleAssignable: [
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161 | o('Identifier', function() {
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162 | return new Value($1);
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163 | }), o('Value Accessor', function() {
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164 | return $1.add($2);
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165 | }), o('Invocation Accessor', function() {
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166 | return new Value($1, [].concat($2));
|
167 | }), o('ThisProperty')
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168 | ],
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169 | Assignable: [
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170 | o('SimpleAssignable'), o('Array', function() {
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171 | return new Value($1);
|
172 | }), o('Object', function() {
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173 | return new Value($1);
|
174 | })
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175 | ],
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176 | Value: [
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177 | o('Assignable'), o('Literal', function() {
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178 | return new Value($1);
|
179 | }), o('Parenthetical', function() {
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180 | return new Value($1);
|
181 | }), o('Range', function() {
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182 | return new Value($1);
|
183 | }), o('This')
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184 | ],
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185 | Accessor: [
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186 | o('. Identifier', function() {
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187 | return new Access($2);
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188 | }), o('?. Identifier', function() {
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189 | return new Access($2, 'soak');
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190 | }), o(':: Identifier', function() {
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191 | return [LOC(1)(new Access(new Literal('prototype'))), LOC(2)(new Access($2))];
|
192 | }), o('?:: Identifier', function() {
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193 | return [LOC(1)(new Access(new Literal('prototype'), 'soak')), LOC(2)(new Access($2))];
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194 | }), o('::', function() {
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195 | return new Access(new Literal('prototype'));
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196 | }), o('Index')
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197 | ],
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198 | Index: [
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199 | o('INDEX_START IndexValue INDEX_END', function() {
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200 | return $2;
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201 | }), o('INDEX_SOAK Index', function() {
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202 | return extend($2, {
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203 | soak: true
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204 | });
|
205 | })
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206 | ],
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207 | IndexValue: [
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208 | o('Expression', function() {
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209 | return new Index($1);
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210 | }), o('Slice', function() {
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211 | return new Slice($1);
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212 | })
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213 | ],
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214 | Object: [
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215 | o('{ AssignList OptComma }', function() {
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216 | return new Obj($2, $1.generated);
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217 | })
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218 | ],
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219 | AssignList: [
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220 | o('', function() {
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221 | return [];
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222 | }), o('AssignObj', function() {
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223 | return [$1];
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224 | }), o('AssignList , AssignObj', function() {
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225 | return $1.concat($3);
|
226 | }), o('AssignList OptComma TERMINATOR AssignObj', function() {
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227 | return $1.concat($4);
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228 | }), o('AssignList OptComma INDENT AssignList OptComma OUTDENT', function() {
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229 | return $1.concat($4);
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230 | })
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231 | ],
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232 | Class: [
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233 | o('CLASS', function() {
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234 | return new Class;
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235 | }), o('CLASS Block', function() {
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236 | return new Class(null, null, $2);
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237 | }), o('CLASS EXTENDS Expression', function() {
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238 | return new Class(null, $3);
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239 | }), o('CLASS EXTENDS Expression Block', function() {
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240 | return new Class(null, $3, $4);
|
241 | }), o('CLASS SimpleAssignable', function() {
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242 | return new Class($2);
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243 | }), o('CLASS SimpleAssignable Block', function() {
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244 | return new Class($2, null, $3);
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245 | }), o('CLASS SimpleAssignable EXTENDS Expression', function() {
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246 | return new Class($2, $4);
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247 | }), o('CLASS SimpleAssignable EXTENDS Expression Block', function() {
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248 | return new Class($2, $4, $5);
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249 | })
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250 | ],
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251 | Invocation: [
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252 | o('Value OptFuncExist Arguments', function() {
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253 | return new Call($1, $3, $2);
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254 | }), o('Invocation OptFuncExist Arguments', function() {
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255 | return new Call($1, $3, $2);
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256 | }), o('SUPER', function() {
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257 | return new Call('super', [new Splat(new Literal('arguments'))]);
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258 | }), o('SUPER Arguments', function() {
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259 | return new Call('super', $2);
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260 | })
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261 | ],
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262 | OptFuncExist: [
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263 | o('', function() {
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264 | return false;
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265 | }), o('FUNC_EXIST', function() {
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266 | return true;
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267 | })
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268 | ],
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269 | Arguments: [
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270 | o('CALL_START CALL_END', function() {
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271 | return [];
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272 | }), o('CALL_START ArgList OptComma CALL_END', function() {
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273 | return $2;
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274 | })
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275 | ],
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276 | This: [
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277 | o('THIS', function() {
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278 | return new Value(new Literal('this'));
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279 | }), o('@', function() {
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280 | return new Value(new Literal('this'));
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281 | })
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282 | ],
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283 | ThisProperty: [
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284 | o('@ Identifier', function() {
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285 | return new Value(LOC(1)(new Literal('this')), [LOC(2)(new Access($2))], 'this');
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286 | })
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287 | ],
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288 | Array: [
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289 | o('[ ]', function() {
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290 | return new Arr([]);
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291 | }), o('[ ArgList OptComma ]', function() {
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292 | return new Arr($2);
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293 | })
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294 | ],
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295 | RangeDots: [
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296 | o('..', function() {
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297 | return 'inclusive';
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298 | }), o('...', function() {
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299 | return 'exclusive';
|
300 | })
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301 | ],
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302 | Range: [
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303 | o('[ Expression RangeDots Expression ]', function() {
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304 | return new Range($2, $4, $3);
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305 | })
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306 | ],
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307 | Slice: [
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308 | o('Expression RangeDots Expression', function() {
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309 | return new Range($1, $3, $2);
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310 | }), o('Expression RangeDots', function() {
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311 | return new Range($1, null, $2);
|
312 | }), o('RangeDots Expression', function() {
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313 | return new Range(null, $2, $1);
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314 | }), o('RangeDots', function() {
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315 | return new Range(null, null, $1);
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316 | })
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317 | ],
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318 | ArgList: [
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319 | o('Arg', function() {
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320 | return [$1];
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321 | }), o('ArgList , Arg', function() {
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322 | return $1.concat($3);
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323 | }), o('ArgList OptComma TERMINATOR Arg', function() {
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324 | return $1.concat($4);
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325 | }), o('INDENT ArgList OptComma OUTDENT', function() {
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326 | return $2;
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327 | }), o('ArgList OptComma INDENT ArgList OptComma OUTDENT', function() {
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328 | return $1.concat($4);
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329 | })
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330 | ],
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331 | Arg: [o('Expression'), o('Splat')],
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332 | SimpleArgs: [
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333 | o('Expression'), o('SimpleArgs , Expression', function() {
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334 | return [].concat($1, $3);
|
335 | })
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336 | ],
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337 | Try: [
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338 | o('TRY Block', function() {
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339 | return new Try($2);
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340 | }), o('TRY Block Catch', function() {
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341 | return new Try($2, $3[0], $3[1]);
|
342 | }), o('TRY Block FINALLY Block', function() {
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343 | return new Try($2, null, null, $4);
|
344 | }), o('TRY Block Catch FINALLY Block', function() {
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345 | return new Try($2, $3[0], $3[1], $5);
|
346 | })
|
347 | ],
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348 | Catch: [
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349 | o('CATCH Identifier Block', function() {
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350 | return [$2, $3];
|
351 | }), o('CATCH Object Block', function() {
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352 | return [LOC(2)(new Value($2)), $3];
|
353 | })
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354 | ],
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355 | Throw: [
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356 | o('THROW Expression', function() {
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357 | return new Throw($2);
|
358 | })
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359 | ],
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360 | Parenthetical: [
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361 | o('( Body )', function() {
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362 | return new Parens($2);
|
363 | }), o('( INDENT Body OUTDENT )', function() {
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364 | return new Parens($3);
|
365 | })
|
366 | ],
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367 | WhileSource: [
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368 | o('WHILE Expression', function() {
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369 | return new While($2);
|
370 | }), o('WHILE Expression WHEN Expression', function() {
|
371 | return new While($2, {
|
372 | guard: $4
|
373 | });
|
374 | }), o('UNTIL Expression', function() {
|
375 | return new While($2, {
|
376 | invert: true
|
377 | });
|
378 | }), o('UNTIL Expression WHEN Expression', function() {
|
379 | return new While($2, {
|
380 | invert: true,
|
381 | guard: $4
|
382 | });
|
383 | })
|
384 | ],
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385 | While: [
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386 | o('WhileSource Block', function() {
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387 | return $1.addBody($2);
|
388 | }), o('Statement WhileSource', function() {
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389 | return $2.addBody(LOC(1)(Block.wrap([$1])));
|
390 | }), o('Expression WhileSource', function() {
|
391 | return $2.addBody(LOC(1)(Block.wrap([$1])));
|
392 | }), o('Loop', function() {
|
393 | return $1;
|
394 | })
|
395 | ],
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396 | Loop: [
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397 | o('LOOP Block', function() {
|
398 | return new While(LOC(1)(new Literal('true'))).addBody($2);
|
399 | }), o('LOOP Expression', function() {
|
400 | return new While(LOC(1)(new Literal('true'))).addBody(LOC(2)(Block.wrap([$2])));
|
401 | })
|
402 | ],
|
403 | For: [
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404 | o('Statement ForBody', function() {
|
405 | return new For($1, $2);
|
406 | }), o('Expression ForBody', function() {
|
407 | return new For($1, $2);
|
408 | }), o('ForBody Block', function() {
|
409 | return new For($2, $1);
|
410 | })
|
411 | ],
|
412 | ForBody: [
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413 | o('FOR Range', function() {
|
414 | return {
|
415 | source: LOC(2)(new Value($2))
|
416 | };
|
417 | }), o('ForStart ForSource', function() {
|
418 | $2.own = $1.own;
|
419 | $2.name = $1[0];
|
420 | $2.index = $1[1];
|
421 | return $2;
|
422 | })
|
423 | ],
|
424 | ForStart: [
|
425 | o('FOR ForVariables', function() {
|
426 | return $2;
|
427 | }), o('FOR OWN ForVariables', function() {
|
428 | $3.own = true;
|
429 | return $3;
|
430 | })
|
431 | ],
|
432 | ForValue: [
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433 | o('Identifier'), o('ThisProperty'), o('Array', function() {
|
434 | return new Value($1);
|
435 | }), o('Object', function() {
|
436 | return new Value($1);
|
437 | })
|
438 | ],
|
439 | ForVariables: [
|
440 | o('ForValue', function() {
|
441 | return [$1];
|
442 | }), o('ForValue , ForValue', function() {
|
443 | return [$1, $3];
|
444 | })
|
445 | ],
|
446 | ForSource: [
|
447 | o('FORIN Expression', function() {
|
448 | return {
|
449 | source: $2
|
450 | };
|
451 | }), o('FOROF Expression', function() {
|
452 | return {
|
453 | source: $2,
|
454 | object: true
|
455 | };
|
456 | }), o('FORIN Expression WHEN Expression', function() {
|
457 | return {
|
458 | source: $2,
|
459 | guard: $4
|
460 | };
|
461 | }), o('FOROF Expression WHEN Expression', function() {
|
462 | return {
|
463 | source: $2,
|
464 | guard: $4,
|
465 | object: true
|
466 | };
|
467 | }), o('FORIN Expression BY Expression', function() {
|
468 | return {
|
469 | source: $2,
|
470 | step: $4
|
471 | };
|
472 | }), o('FORIN Expression WHEN Expression BY Expression', function() {
|
473 | return {
|
474 | source: $2,
|
475 | guard: $4,
|
476 | step: $6
|
477 | };
|
478 | }), o('FORIN Expression BY Expression WHEN Expression', function() {
|
479 | return {
|
480 | source: $2,
|
481 | step: $4,
|
482 | guard: $6
|
483 | };
|
484 | })
|
485 | ],
|
486 | Switch: [
|
487 | o('SWITCH Expression INDENT Whens OUTDENT', function() {
|
488 | return new Switch($2, $4);
|
489 | }), o('SWITCH Expression INDENT Whens ELSE Block OUTDENT', function() {
|
490 | return new Switch($2, $4, $6);
|
491 | }), o('SWITCH INDENT Whens OUTDENT', function() {
|
492 | return new Switch(null, $3);
|
493 | }), o('SWITCH INDENT Whens ELSE Block OUTDENT', function() {
|
494 | return new Switch(null, $3, $5);
|
495 | })
|
496 | ],
|
497 | Whens: [
|
498 | o('When'), o('Whens When', function() {
|
499 | return $1.concat($2);
|
500 | })
|
501 | ],
|
502 | When: [
|
503 | o('LEADING_WHEN SimpleArgs Block', function() {
|
504 | return [[$2, $3]];
|
505 | }), o('LEADING_WHEN SimpleArgs Block TERMINATOR', function() {
|
506 | return [[$2, $3]];
|
507 | })
|
508 | ],
|
509 | IfBlock: [
|
510 | o('IF Expression Block', function() {
|
511 | return new If($2, $3, {
|
512 | type: $1
|
513 | });
|
514 | }), o('IfBlock ELSE IF Expression Block', function() {
|
515 | return $1.addElse(new If($4, $5, {
|
516 | type: $3
|
517 | }));
|
518 | })
|
519 | ],
|
520 | If: [
|
521 | o('IfBlock'), o('IfBlock ELSE Block', function() {
|
522 | return $1.addElse($3);
|
523 | }), o('Statement POST_IF Expression', function() {
|
524 | return new If($3, LOC(1)(Block.wrap([$1])), {
|
525 | type: $2,
|
526 | statement: true
|
527 | });
|
528 | }), o('Expression POST_IF Expression', function() {
|
529 | return new If($3, LOC(1)(Block.wrap([$1])), {
|
530 | type: $2,
|
531 | statement: true
|
532 | });
|
533 | })
|
534 | ],
|
535 | Operation: [
|
536 | o('UNARY Expression', function() {
|
537 | return new Op($1, $2);
|
538 | }), o('- Expression', (function() {
|
539 | return new Op('-', $2);
|
540 | }), {
|
541 | prec: 'UNARY'
|
542 | }), o('+ Expression', (function() {
|
543 | return new Op('+', $2);
|
544 | }), {
|
545 | prec: 'UNARY'
|
546 | }), o('-- SimpleAssignable', function() {
|
547 | return new Op('--', $2);
|
548 | }), o('++ SimpleAssignable', function() {
|
549 | return new Op('++', $2);
|
550 | }), o('SimpleAssignable --', function() {
|
551 | return new Op('--', $1, null, true);
|
552 | }), o('SimpleAssignable ++', function() {
|
553 | return new Op('++', $1, null, true);
|
554 | }), o('Expression ?', function() {
|
555 | return new Existence($1);
|
556 | }), o('Expression + Expression', function() {
|
557 | return new Op('+', $1, $3);
|
558 | }), o('Expression - Expression', function() {
|
559 | return new Op('-', $1, $3);
|
560 | }), o('Expression MATH Expression', function() {
|
561 | return new Op($2, $1, $3);
|
562 | }), o('Expression SHIFT Expression', function() {
|
563 | return new Op($2, $1, $3);
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564 | }), o('Expression COMPARE Expression', function() {
|
565 | return new Op($2, $1, $3);
|
566 | }), o('Expression LOGIC Expression', function() {
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567 | return new Op($2, $1, $3);
|
568 | }), o('Expression RELATION Expression', function() {
|
569 | if ($2.charAt(0) === '!') {
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570 | return new Op($2.slice(1), $1, $3).invert();
|
571 | } else {
|
572 | return new Op($2, $1, $3);
|
573 | }
|
574 | }), o('SimpleAssignable COMPOUND_ASSIGN\
|
575 | Expression', function() {
|
576 | return new Assign($1, $3, $2);
|
577 | }), o('SimpleAssignable COMPOUND_ASSIGN\
|
578 | INDENT Expression OUTDENT', function() {
|
579 | return new Assign($1, $4, $2);
|
580 | }), o('SimpleAssignable COMPOUND_ASSIGN TERMINATOR\
|
581 | Expression', function() {
|
582 | return new Assign($1, $4, $2);
|
583 | }), o('SimpleAssignable EXTENDS Expression', function() {
|
584 | return new Extends($1, $3);
|
585 | })
|
586 | ]
|
587 | };
|
588 |
|
589 | operators = [['left', '.', '?.', '::', '?::'], ['left', 'CALL_START', 'CALL_END'], ['nonassoc', '++', '--'], ['left', '?'], ['right', 'UNARY'], ['left', 'MATH'], ['left', '+', '-'], ['left', 'SHIFT'], ['left', 'RELATION'], ['left', 'COMPARE'], ['left', 'LOGIC'], ['nonassoc', 'INDENT', 'OUTDENT'], ['right', '=', ':', 'COMPOUND_ASSIGN', 'RETURN', 'THROW', 'EXTENDS'], ['right', 'FORIN', 'FOROF', 'BY', 'WHEN'], ['right', 'IF', 'ELSE', 'FOR', 'WHILE', 'UNTIL', 'LOOP', 'SUPER', 'CLASS'], ['right', 'POST_IF']];
|
590 |
|
591 | tokens = [];
|
592 |
|
593 | for (name in grammar) {
|
594 | alternatives = grammar[name];
|
595 | grammar[name] = (function() {
|
596 | var _i, _j, _len, _len1, _ref, _results;
|
597 | _results = [];
|
598 | for (_i = 0, _len = alternatives.length; _i < _len; _i++) {
|
599 | alt = alternatives[_i];
|
600 | _ref = alt[0].split(' ');
|
601 | for (_j = 0, _len1 = _ref.length; _j < _len1; _j++) {
|
602 | token = _ref[_j];
|
603 | if (!grammar[token]) {
|
604 | tokens.push(token);
|
605 | }
|
606 | }
|
607 | if (name === 'Root') {
|
608 | alt[1] = "return " + alt[1];
|
609 | }
|
610 | _results.push(alt);
|
611 | }
|
612 | return _results;
|
613 | })();
|
614 | }
|
615 |
|
616 | exports.parser = new Parser({
|
617 | tokens: tokens.join(' '),
|
618 | bnf: grammar,
|
619 | operators: operators.reverse(),
|
620 | startSymbol: 'Root'
|
621 | });
|
622 |
|
623 | }).call(this);
|