<lexer>

<config>

<name>JSONata</name>

<alias>jsonata</alias>

<filename>*.jsonata</filename>

<dot_all>true</dot_all>

</config>

<rules>

<state name="root">

<rule pattern="/\*.*?\*/">

<token type="CommentMultiline"/>

</rule>

<rule pattern="[{}()\[\]:;,\.=]">

<token type="Punctuation"/>

</rule>

<rule pattern="\.\."> // Spread operator

<token type="Operator"/>

</rule>

<rule pattern="\^(?=\()"> // Sort operator

<token type="Operator"/>

</rule>

<rule pattern="\*\*|\*(?=\.)|\*"> // Descendant | Wildcard | Multiplication

<token type="Operator"/>

</rule>

<rule pattern="\/(?!\*)"> // Division

<token type="Operator"/>

</rule>

<rule pattern="[&lt;&gt;!]=?"> // Comparison operators

<token type="Operator"/>

</rule>

<rule pattern="~>">

<token type="Operator"/>

</rule>

<rule pattern="\b(and|or|in)\b">

<token type="Operator"/>

</rule>

<rule pattern="[%@#&amp;?]|\+(?!\d)|\-(?!\d)">

<token type="Operator"/>

</rule>

<rule pattern="\$[a-zA-Z0-9_]*(?![\w\(])">

<token type="NameVariable"/>

</rule>

<rule pattern="\$\w*(?=\()">

<token type="NameFunction"/>

</rule>

<rule pattern="\s+">

<token type="Text"/>

</rule>

<rule pattern="(true|false)\b">

<token type="KeywordConstant"/>

</rule>

<rule pattern="\b(function)\b">

<token type="Keyword"/>

</rule>

<rule pattern="(\+|-)?(0|[1-9]\d*)(\.\d+[eE](\+|-)?\d+|[eE](\+|-)?\d+|\.\d+)">

<token type="LiteralNumberFloat"/>

</rule>

<rule pattern="(\+|-)?(0|[1-9]\d*)">

<token type="LiteralNumberInteger"/>

</rule>

<!-- NOTE: This expression matches all object keys (NameTags), which are essentially strings with double quotes

<rule pattern="&#34;(\\.|[^\\&#34;\r\n])*&#34;(?=\s*:)">

<token type="NameTag"/>

</rule>

<rule pattern="&#34;(\\\\|\\&#34;|[^&#34;])*&#34;">

<token type="LiteralStringDouble"/>

</rule>

<rule pattern="&#39;(\\|\\&#39;|[^&#39;])*&#39;">

<token type="LiteralStringSingle"/>

</rule>

<rule pattern="`.*`">

<token type="LiteralStringBacktick"/>

</rule>

<!-- NOTE: This expression matches everything remaining, which should be only JSONata names.

<rule pattern="[a-zA-Z0-9_]*">

<token type="Name"/>

</rule>

</state>

</rules>

</lexer>

(

$.a.b.c;

/* Example json input */

$jsonInput := {

"firstName": "JSONata",

"lastName": "User",

"age": 25,

"skills": ["programming", "cooking"],

"over 18": true,

"coordinates": { "latitude": 51.509865, "longitude": -0.118092 }

};

/* Example function definition */

$getGreeting := function($firstName, $lastName) {

"Hello, " & $firstName & " " & $lastName

};

$isAdult := $jsonInput.`over 18`;

/* Example json transformation */

$jsonInput.{

"fullName": $join([firstName, lastName], " "),

"greeting": $getGreeting(firstName, lastName),

"skills": $append(skills, "jsonata"),

"isAdult": $isAdult

}

$spreadOp = [1..5];

$sortOperator := Account.Order^(>Price, <Quantity);

$descendants := **.Postcode;

$math:= 10 / 5 * 2 + 4 - 2 % 2;

$conditions := 20 > 10 and 10 > 20 ? 20 = 20 or 20 != 10 : 10 in [1,10,20];

$chainOperator := " trim " ~> $trim();

$sum := +10 + -5 - +3 + $x / $y;

$multiplyVars := $a*$b * $c;

$wildcard := $.wild.*.card;

)