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/**
* Simple test grammar for build system verification
*/
module.exports = grammar({
name: 'test_lang',
word: $ => $.identifier,
rules: {
// Root rule
source_file: $ => repeat(choice($.statement, $.expression)),
// Basic tokens
identifier: $ => /[a-zA-Z_][a-zA-Z0-9_]*/,
number: $ => /\d+/,
string: $ => /"[^"]*"/,
// Expressions
expression: $ => choice(
$.identifier,
$.number,
$.string
),
// Statements
statement: $ => choice(
$.variable_declaration
),
// Variable declaration
variable_declaration: $ => seq(
'let',
$.identifier,
'=',
$.expression,
';'
),
// Comments
line_comment: $ => seq('//', /[^\n]*/)
},
extras: $ => [
/\s/,
$.line_comment
]
});
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