79 lines
1.1 KiB
Plaintext
79 lines
1.1 KiB
Plaintext
%start JSONText
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/*
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ECMA-262 5th Edition, 15.12.1 The JSON Grammar.
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*/
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%%
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JSONString
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: STRING
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{$$ = yytext.replace(/\\\\/g, "\\");}
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;
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JSONNumber
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: NUMBER
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{$$ = Number(yytext);}
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;
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JSONNullLiteral
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: NULL
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{$$ = null;}
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;
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JSONBooleanLiteral
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: TRUE
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{$$ = true;}
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| FALSE
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{$$ = false;}
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;
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JSONText
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: JSONValue EOF
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{return $$ = $1;}
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;
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JSONValue
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: JSONNullLiteral
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| JSONBooleanLiteral
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| JSONString
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| JSONNumber
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| JSONObject
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| JSONArray
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;
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JSONObject
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: '{' '}'
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{{$$ = {};}}
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| '{' JSONMemberList '}'
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{$$ = $2;}
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;
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JSONMember
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: JSONString ':' JSONValue
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{$$ = [$1, $3];}
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;
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JSONMemberList
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: JSONMember
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{{$$ = {}; $$[$1[0]] = $1[1];}}
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| JSONMemberList ',' JSONMember
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{$$ = $1; $1[$3[0]] = $3[1];}
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;
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JSONArray
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: '[' ']'
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{$$ = [];}
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| '[' JSONElementList ']'
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{$$ = $2;}
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;
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JSONElementList
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: JSONValue
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{$$ = [$1];}
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| JSONElementList ',' JSONValue
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{$$ = $1; $1.push($3);}
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;
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