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Added Sequence Operations, selector and test cases #23

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merged 5 commits into from
Jul 14, 2024
Merged

Added Sequence Operations, selector and test cases #23

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356dca0
Added Sequence Operations and test cases
Vishalk91-4 Jul 2, 2024
c9d14bc
Tests added for selector expression
Vishalk91-4 Jul 4, 2024
87f1074
Added grammar for selector expression
Vishalk91-4 Jul 9, 2024
02e0b7c
Added Test cases for sequence operations and added select_suffix to p…
Vishalk91-4 Jul 13, 2024
36ef52b
Added binary operator and removed concatenation
Vishalk91-4 Jul 13, 2024
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32 changes: 28 additions & 4 deletions grammar.js
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Original file line number Diff line number Diff line change
Expand Up @@ -532,9 +532,11 @@ module.exports = grammar({
// Expressions

expression: $ => prec(1, choice(
$.sequence_operation,
$.comparison_operator,
$.not_operator,
$.boolean_operator,
$.selector_expression,
$.primary_expression,
$.as_expression,
$.conditional_expression,
Expand All @@ -547,7 +549,12 @@ module.exports = grammar({
field('alias', $.expression),
)),

primary_expression: $ => prec(2, choice(
selector_expression: $ => prec.left(4, seq(
$.expression,
repeat1($.select_suffix)
)),

primary_expression: $ => prec.left(2, choice(
$.binary_operator,
$.identifier,
$.string,
Expand All @@ -560,6 +567,7 @@ module.exports = grammar({
$.unary_operator,
$.attribute,
$.subscript,
$.select_suffix,
$.call,
$.list,
$.list_comprehension,
Expand Down Expand Up @@ -704,21 +712,32 @@ module.exports = grammar({
];

// @ts-ignore
return choice(...table.map(([fn, operator, precedence]) => fn(precedence, seq(
return prec(13, choice(...table.map(([fn, operator, precedence]) => fn(precedence, seq(
field('left', $.primary_expression),
// @ts-ignore
field('operator', operator),
field('right', $.primary_expression),
))));
)))));
},

unary_operator: $ => prec(PREC.unary, seq(
field('operator', choice('+', '-', '~')),
field('argument', $.primary_expression),
)),

sequence_operation: $ => seq(choice(
$.in_operation,
$.not_in_operation,
$.binary_operator,
$.subscript,
$.call,
)),

in_operation: $ => prec.left(3, seq(choice($.list_comprehension, $.dictionary_comprehension, $.list, $.dictionary), 'in', choice($.list_comprehension, $.dictionary_comprehension, $.list, $.dictionary))),
not_in_operation: $ => prec.left(11, seq(choice($.list_comprehension, $.dictionary_comprehension, $.list, $.dictionary), 'not', 'in', $.expression)),

comparison_operator: $ => prec.left(2, seq(
choice($.primary_expression,$.identifier,$.dotted_name),
choice($.primary_expression,$.identifier,$.dotted_name, $.selector_expression),
repeat1(seq(
field('operators',
choice(
Expand Down Expand Up @@ -760,6 +779,11 @@ module.exports = grammar({
':',
field('right', $.schema_expr),
),

select_suffix: $ => prec(44, choice(
seq('.', $.identifier),
seq('?.', $.identifier)
)),

attribute: $ => prec.right(11, seq(
field('name', $.identifier),
Expand Down
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