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