1 |
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2 |
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3 | (function () {
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4 | function id(x) { return x[0]; }
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5 |
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6 | const flatten = d => {
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7 | return d.reduce(
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8 | (a, b) => {
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9 | if(b) {
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10 | return a.concat(b);
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11 | } else {
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12 | return a;
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13 | }
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14 | },
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15 | []
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16 | );
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17 | };
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18 |
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19 | const moo = require("moo");
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20 |
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21 | const escapeNearley = (x) => {
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22 | return x.replace(/\t/g, '\\t')
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23 | .replace(/\f/g, '\\f')
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24 | .replace(/\r/g, '\\r');
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25 | }
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26 |
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27 |
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28 |
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29 | const lexer = moo.states({
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30 | main: {
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31 |
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32 |
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33 | Chunk: {
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34 | match: /[^]*?\[{/,
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35 | lineBreaks: true,
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36 | push: 'var',
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37 | value: x => escapeNearley(x.slice(0, -2))
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38 | },
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39 |
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40 |
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41 | LastChunk : {
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42 | match: /[^]+/,
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43 | lineBreaks: true,
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44 | value: x => escapeNearley(x)
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45 | }
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46 | },
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47 | var: {
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48 | varend: {
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49 | match: '}]',
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50 | pop: true
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51 | },
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52 | varas: 'as',
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53 | varid: /[a-zA-Z_][_a-zA-Z0-9]*/,
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54 | varstring: /".*?"/,
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55 | varcond: ':?',
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56 | varspace: ' ',
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57 | clauseidstart: {
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58 | match: /#[a-zA-Z_][_a-zA-Z0-9]*/,
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59 | value: x => x.slice(1)
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60 | },
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61 | clauseidend: {
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62 | match: /\/[a-zA-Z_][_a-zA-Z0-9]*/,
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63 | value: x => x.slice(1)
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64 | },
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65 | clauseclose: /\//
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66 | },
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67 | });
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68 | var grammar = {
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69 | Lexer: lexer,
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70 | ParserRules: [
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71 | {"name": "_$ebnf$1", "symbols": []},
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72 | {"name": "_$ebnf$1", "symbols": ["_$ebnf$1", "wschar"], "postprocess": function arrpush(d) {return d[0].concat([d[1]]);}},
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73 | {"name": "_", "symbols": ["_$ebnf$1"], "postprocess": function(d) {return null;}},
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74 | {"name": "__$ebnf$1", "symbols": ["wschar"]},
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75 | {"name": "__$ebnf$1", "symbols": ["__$ebnf$1", "wschar"], "postprocess": function arrpush(d) {return d[0].concat([d[1]]);}},
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76 | {"name": "__", "symbols": ["__$ebnf$1"], "postprocess": function(d) {return null;}},
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77 | {"name": "wschar", "symbols": [/[ \t\n\v\f]/], "postprocess": id},
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78 | {"name": "dqstring$ebnf$1", "symbols": []},
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79 | {"name": "dqstring$ebnf$1", "symbols": ["dqstring$ebnf$1", "dstrchar"], "postprocess": function arrpush(d) {return d[0].concat([d[1]]);}},
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80 | {"name": "dqstring", "symbols": [{"literal":"\""}, "dqstring$ebnf$1", {"literal":"\""}], "postprocess": function(d) {return d[1].join(""); }},
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81 | {"name": "sqstring$ebnf$1", "symbols": []},
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82 | {"name": "sqstring$ebnf$1", "symbols": ["sqstring$ebnf$1", "sstrchar"], "postprocess": function arrpush(d) {return d[0].concat([d[1]]);}},
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83 | {"name": "sqstring", "symbols": [{"literal":"'"}, "sqstring$ebnf$1", {"literal":"'"}], "postprocess": function(d) {return d[1].join(""); }},
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84 | {"name": "btstring$ebnf$1", "symbols": []},
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85 | {"name": "btstring$ebnf$1", "symbols": ["btstring$ebnf$1", /[^`]/], "postprocess": function arrpush(d) {return d[0].concat([d[1]]);}},
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86 | {"name": "btstring", "symbols": [{"literal":"`"}, "btstring$ebnf$1", {"literal":"`"}], "postprocess": function(d) {return d[1].join(""); }},
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87 | {"name": "dstrchar", "symbols": [/[^\\"\n]/], "postprocess": id},
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88 | {"name": "dstrchar", "symbols": [{"literal":"\\"}, "strescape"], "postprocess":
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89 | function(d) {
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90 | return JSON.parse("\""+d.join("")+"\"");
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91 | }
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92 | },
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93 | {"name": "sstrchar", "symbols": [/[^\\'\n]/], "postprocess": id},
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94 | {"name": "sstrchar", "symbols": [{"literal":"\\"}, "strescape"], "postprocess": function(d) { return JSON.parse("\""+d.join("")+"\""); }},
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95 | {"name": "sstrchar$string$1", "symbols": [{"literal":"\\"}, {"literal":"'"}], "postprocess": function joiner(d) {return d.join('');}},
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96 | {"name": "sstrchar", "symbols": ["sstrchar$string$1"], "postprocess": function(d) {return "'"; }},
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97 | {"name": "strescape", "symbols": [/["\\\/bfnrt]/], "postprocess": id},
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98 | {"name": "strescape", "symbols": [{"literal":"u"}, /[a-fA-F0-9]/, /[a-fA-F0-9]/, /[a-fA-F0-9]/, /[a-fA-F0-9]/], "postprocess":
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99 | function(d) {
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100 | return d.join("");
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101 | }
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102 | },
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103 | {"name": "TEMPLATE", "symbols": ["CONTRACT_TEMPLATE"], "postprocess": id},
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104 | {"name": "CONTRACT_TEMPLATE$ebnf$1", "symbols": []},
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105 | {"name": "CONTRACT_TEMPLATE$ebnf$1", "symbols": ["CONTRACT_TEMPLATE$ebnf$1", "CONTRACT_ITEM"], "postprocess": function arrpush(d) {return d[0].concat([d[1]]);}},
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106 | {"name": "CONTRACT_TEMPLATE$ebnf$2", "symbols": [(lexer.has("LastChunk") ? {type: "LastChunk"} : LastChunk)], "postprocess": id},
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107 | {"name": "CONTRACT_TEMPLATE$ebnf$2", "symbols": [], "postprocess": function(d) {return null;}},
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108 | {"name": "CONTRACT_TEMPLATE", "symbols": ["CONTRACT_TEMPLATE$ebnf$1", "CONTRACT_TEMPLATE$ebnf$2"], "postprocess": (data) => {
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109 | return {
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110 | type: 'ContractTemplate',
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111 | data: flatten(data)
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112 | };
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113 | }
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114 | },
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115 | {"name": "CLAUSE_TEMPLATE$ebnf$1", "symbols": []},
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116 | {"name": "CLAUSE_TEMPLATE$ebnf$1", "symbols": ["CLAUSE_TEMPLATE$ebnf$1", "CLAUSE_ITEM"], "postprocess": function arrpush(d) {return d[0].concat([d[1]]);}},
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117 | {"name": "CLAUSE_TEMPLATE$ebnf$2", "symbols": [(lexer.has("LastChunk") ? {type: "LastChunk"} : LastChunk)], "postprocess": id},
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118 | {"name": "CLAUSE_TEMPLATE$ebnf$2", "symbols": [], "postprocess": function(d) {return null;}},
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119 | {"name": "CLAUSE_TEMPLATE", "symbols": ["CLAUSE_TEMPLATE$ebnf$1", "CLAUSE_TEMPLATE$ebnf$2"], "postprocess": (data) => {
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120 | return {
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121 | type: 'ClauseTemplate',
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122 | data: flatten(data)
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123 | };
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124 | }
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125 | },
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126 | {"name": "CONTRACT_ITEM", "symbols": [(lexer.has("Chunk") ? {type: "Chunk"} : Chunk)], "postprocess": id},
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127 | {"name": "CONTRACT_ITEM", "symbols": ["VARIABLE"], "postprocess": id},
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128 | {"name": "CONTRACT_ITEM", "symbols": ["CLAUSE_VARIABLE_INLINE"], "postprocess": id},
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129 | {"name": "CONTRACT_ITEM", "symbols": ["CLAUSE_VARIABLE_EXTERNAL"], "postprocess": id},
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130 | {"name": "CLAUSE_ITEM", "symbols": [(lexer.has("Chunk") ? {type: "Chunk"} : Chunk)], "postprocess": id},
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131 | {"name": "CLAUSE_ITEM", "symbols": ["VARIABLE"], "postprocess": id},
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132 | {"name": "CLAUSE_VARIABLE_INLINE", "symbols": [(lexer.has("clauseidstart") ? {type: "clauseidstart"} : clauseidstart), (lexer.has("varend") ? {type: "varend"} : varend), "CLAUSE_TEMPLATE", (lexer.has("clauseidend") ? {type: "clauseidend"} : clauseidend), (lexer.has("varend") ? {type: "varend"} : varend)], "postprocess": (data,l,reject) => {
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133 | // Check that opening and closing clause tags match
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134 | // Note: this line makes the parser non-context-free
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135 | if(data[0].value !== data[3].value) {
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136 | return reject;
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137 | } else {
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138 | return {
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139 | type: 'ClauseBinding',
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140 | template: data[2],
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141 | fieldName: data[0]
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142 | }
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143 | }
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144 | }
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145 | },
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146 | {"name": "CLAUSE_VARIABLE_EXTERNAL", "symbols": [(lexer.has("clauseidstart") ? {type: "clauseidstart"} : clauseidstart), (lexer.has("clauseclose") ? {type: "clauseclose"} : clauseclose), (lexer.has("varend") ? {type: "varend"} : varend)], "postprocess": (data) => {
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147 | return {
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148 | type: 'ClauseExternalBinding',
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149 | fieldName: data[0]
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150 | }
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151 | }
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152 | },
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153 | {"name": "VARIABLE", "symbols": ["FORMATTED_BINDING"], "postprocess": id},
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154 | {"name": "VARIABLE", "symbols": ["BOOLEAN_BINDING"], "postprocess": id},
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155 | {"name": "VARIABLE", "symbols": ["BINDING"], "postprocess": id},
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156 | {"name": "BOOLEAN_BINDING", "symbols": [(lexer.has("varstring") ? {type: "varstring"} : varstring), (lexer.has("varcond") ? {type: "varcond"} : varcond), (lexer.has("varspace") ? {type: "varspace"} : varspace), (lexer.has("varid") ? {type: "varid"} : varid), (lexer.has("varend") ? {type: "varend"} : varend)], "postprocess": (data) => {
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157 | return {
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158 | type: 'BooleanBinding',
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159 | string: data[0],
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160 | fieldName: data[3]
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161 | };
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162 | }
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163 | },
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164 | {"name": "FORMATTED_BINDING", "symbols": [(lexer.has("varid") ? {type: "varid"} : varid), (lexer.has("varspace") ? {type: "varspace"} : varspace), (lexer.has("varas") ? {type: "varas"} : varas), (lexer.has("varspace") ? {type: "varspace"} : varspace), (lexer.has("varstring") ? {type: "varstring"} : varstring), (lexer.has("varend") ? {type: "varend"} : varend)], "postprocess": (data) => {
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165 | return {
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166 | type: 'FormattedBinding',
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167 | fieldName: data[0],
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168 | format: data[4],
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169 | };
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170 | }
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171 | },
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172 | {"name": "BINDING", "symbols": [(lexer.has("varid") ? {type: "varid"} : varid), (lexer.has("varend") ? {type: "varend"} : varend)], "postprocess": (data) => {
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173 | return {
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174 | type: 'Binding',
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175 | fieldName: data[0]
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176 | };
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177 | }
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178 | }
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179 | ]
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180 | , ParserStart: "TEMPLATE"
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181 | }
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182 | if (typeof module !== 'undefined'&& typeof module.exports !== 'undefined') {
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183 | module.exports = grammar;
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184 | } else {
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185 | window.grammar = grammar;
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186 | }
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187 | })();
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188 |
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