22 lines
299 B
Plaintext
22 lines
299 B
Plaintext
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%{
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class calcparser {
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%}
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%token INT
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%token FLOAT
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%token OPEN
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%token CLOSE
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%token ADD
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%token SUBTRACT
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%token MULTIPLY
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%token DIVIDE
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%%
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S : Number {}
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Number : INT | FLOAT {}
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S : Number Operator S {}
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S : OPEN S CLOSE | OPEN S CLOSE Operator S {}
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Operator : ADD | SUBTRACT | MULTIPLY | DIVIDE {}
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%%
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}
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