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18 lines
276 B
Plaintext
18 lines
276 B
Plaintext
'+' '-' '*' '/' '(' ')' int
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\< '+' '-'
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\< '*' '/'
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\\
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s: e {printf (1, "%d\n",#1);}
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e: e '+' e {val = #1 + #3;}
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| e '-' e {val = #1 - #3;}
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| e '*' e {val = #1 * #3;}
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| e '/' e {val = #1 / #3;}
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| p
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p: '-' p {val = - #2;}
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| '(' e ')' {val = #2;}
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| int
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