Mercurial > lcfOS
view test/expression.x @ 398:c0d9837acde8
x86 target refactor
author | Windel Bouwman |
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date | Thu, 29 May 2014 12:13:37 +0200 |
parents | e84047f29c78 |
children |
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%tokens '+' number '(' ')' '*' %% input: expression {return $1}; expression: term { return $1 } | expression '+' term {}; term: factor { return $1 } | term '*' factor { return $1 * $3 }; factor: '(' expression ')' | number {return $1.val};