'use strict';
module.exports = {
cf_dialect : $ => prec.right(choice(
// operation ::= `cf.assert` $arg `,` $msg attr-dict
seq('cf.assert', field('argument', $.value_use), ',',
field('message', $.string_literal),
field('attributes', optional($.attribute))),
// operation ::= `cf.br` $dest (`(` $destOperands^ `:`
// type($destOperands) `)`)? attr-dict
seq('cf.br', field('successor', $.successor),
field('attributes', optional($.attribute))),
// operation ::= `cf.cond_br` $condition `,`
// $trueDest(`(` $trueDestOperands ^ `:`
// type($trueDestOperands)`)`)? `,`
// $falseDest(`(` $falseDestOperands ^ `:`
// type($falseDestOperands)`)`)? attr-dict
seq('cf.cond_br', field('condition', $.value_use), ',',
field('trueblk', $.successor), ',',
field('falseblk', $.successor),
field('attributes', optional($.attribute))),
// operation ::= `cf.switch` $flag `:` type($flag) `,` `[` `\n`
// custom<SwitchOpCases>(ref(type($flag)),$defaultDestination,
// $defaultOperands,
// type($defaultOperands),
// $case_values,
// $caseDestinations,
// $caseOperands,
// type($caseOperands))
// `]`
// attr-dict
seq('cf.switch', field('flag', $._value_use_and_type), ',',
'[', $.cf_case_label, $.successor,
repeat(seq(',', $.cf_case_label, $.successor)), ']',
field('attributes', optional($.attribute))),
)),
cf_case_label : $ => seq(choice($.integer_literal, token('default')), ':')
}