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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,123 +1,99 @@ | ||
| module.exports = grammar({ | ||
| name: 'liquid', | ||
| name: "liquid", | ||
|
|
||
| precedences: $ => [ | ||
| precedences: ($) => [ | ||
| [ | ||
| 'unary_not', | ||
| 'binary_exp', | ||
| 'binary_times', | ||
| 'binary_plus', | ||
| 'binary_in', | ||
| 'binary_compare', | ||
| 'binary_relation', | ||
| 'clause_connective', | ||
| "unary_not", | ||
| "binary_exp", | ||
| "binary_times", | ||
| "binary_plus", | ||
| "binary_in", | ||
| "binary_compare", | ||
| "binary_relation", | ||
| "clause_connective", | ||
| ], | ||
| ], | ||
|
|
||
| rules: { | ||
| program: $ => repeat1( | ||
| seq( | ||
| choice('{{', '{%'), | ||
| choice( | ||
| $.filter, | ||
| $.expression, | ||
| $.statement | ||
| ), | ||
| choice('}}', '%}'), | ||
| ), | ||
| ), | ||
|
|
||
| filter: $ => seq( | ||
| field("body", choice($.expression, $.filter)), | ||
| "|", | ||
| field('name', $.identifier), | ||
| optional( | ||
| program: ($) => | ||
| repeat1( | ||
| seq( | ||
| ":", | ||
| $.argument_list, | ||
| ), | ||
| choice("{{", "{%"), | ||
| choice($.filter, $.expression, $.statement), | ||
| choice("}}", "%}") | ||
| ) | ||
| ), | ||
| ), | ||
|
|
||
| statement: $ => choice( | ||
| $.assignment, | ||
| ), | ||
| filter: ($) => | ||
| seq( | ||
| field("body", choice($.expression, $.filter)), | ||
| "|", | ||
| field("name", $.identifier), | ||
| optional(seq(":", $.argument_list)) | ||
| ), | ||
|
|
||
| expression: $ => choice( | ||
| $._literal, | ||
| $.identifier, | ||
| $.predicate | ||
| ), | ||
| statement: ($) => choice($.assignment), | ||
|
|
||
| // expression: $ => seq( | ||
| // $._expression, | ||
| // repeat( | ||
| // $.filter | ||
| // ) | ||
| // ), | ||
| expression: ($) => choice($._literal, $.identifier, $.predicate), | ||
|
|
||
| assignment: $ => seq( | ||
| "assign", | ||
| field('variable_name', $.identifier), | ||
| "=", | ||
| field('value', choice($.filter, $.expression)), | ||
| ), | ||
| assignment: ($) => | ||
| seq( | ||
| "assign", | ||
| field("variable_name", $.identifier), | ||
| "=", | ||
| field("value", choice($.filter, $.expression)) | ||
| ), | ||
|
|
||
| _literal: $ => choice( | ||
| $.string, | ||
| $.number, | ||
| $.boolean, | ||
| ), | ||
| _literal: ($) => choice($.string, $.number, $.boolean), | ||
|
|
||
| string: _ => choice( | ||
| seq("'", /[^']*/, "'"), | ||
| seq('"', /[^"]*/, '"'), | ||
| ), | ||
| string: (_) => choice(seq("'", /[^']*/, "'"), seq('"', /[^"]*/, '"')), | ||
|
|
||
| number: _ => /\d+/, | ||
| number: (_) => /\d+/, | ||
|
|
||
| boolean: _ => choice('true', 'false'), | ||
| boolean: (_) => choice("true", "false"), | ||
|
|
||
| identifier: _ => /([a-zA-Z_$][0-9a-zA-Z_]*)/, | ||
| identifier: (_) => /([a-zA-Z_$][0-9a-zA-Z_]*)/, | ||
|
|
||
| argument_list: $ => seq( | ||
| choice($._literal, $.identifier, $.argument), | ||
| repeat( | ||
| seq(",", | ||
| choice($._literal, $.identifier, $.argument), | ||
| ), | ||
| argument_list: ($) => | ||
| seq( | ||
| choice($._literal, $.identifier, $.argument), | ||
| repeat(seq(",", choice($._literal, $.identifier, $.argument))) | ||
| ), | ||
| ), | ||
|
|
||
| argument: $ => seq( | ||
| field('key', $.identifier), | ||
| ':', | ||
| field('value', choice($._literal, $.identifier)), | ||
| ), | ||
| argument: ($) => | ||
| seq( | ||
| field("key", $.identifier), | ||
| ":", | ||
| field("value", choice($._literal, $.identifier)) | ||
| ), | ||
|
|
||
| predicate: $ => choice( | ||
| ...[ | ||
| ['+', 'binary_plus'], | ||
| ['-', 'binary_plus'], | ||
| ['*', 'binary_times'], | ||
| ['/', 'binary_times'], | ||
| ['%', 'binary_times'], | ||
| ['^', 'binary_exp'], | ||
| ['==', 'binary_relation'], | ||
| ['<', 'binary_relation'], | ||
| ['<=', 'binary_relation'], | ||
| ['!=', 'binary_relation'], | ||
| ['>=', 'binary_relation'], | ||
| ['>', 'binary_relation'], | ||
| ['and', 'clause_connective'], | ||
| ['or', 'clause_connective'], | ||
| ].map(([operator, precedence]) => | ||
| prec.left(precedence, seq( | ||
| field('left', $.expression), | ||
| field('operator', operator), | ||
| field('right', $.expression) | ||
| )) | ||
| ) | ||
| ), | ||
| } | ||
| predicate: ($) => | ||
| choice( | ||
| ...[ | ||
| ["+", "binary_plus"], | ||
| ["-", "binary_plus"], | ||
| ["*", "binary_times"], | ||
| ["/", "binary_times"], | ||
| ["%", "binary_times"], | ||
| ["^", "binary_exp"], | ||
| ["==", "binary_relation"], | ||
| ["<", "binary_relation"], | ||
| ["<=", "binary_relation"], | ||
| ["!=", "binary_relation"], | ||
| [">=", "binary_relation"], | ||
| [">", "binary_relation"], | ||
| ["and", "clause_connective"], | ||
| ["or", "clause_connective"], | ||
| ].map(([operator, precedence]) => | ||
| prec.left( | ||
| precedence, | ||
| seq( | ||
| field("left", $.expression), | ||
| field("operator", operator), | ||
| field("right", $.expression) | ||
| ) | ||
| ) | ||
| ) | ||
| ), | ||
| }, | ||
| }); |