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|
start: expr NEWLINE? ENDMARKER { ast.Expression(expr, lineno=1, col_offset=0) }
expr: ( expr '+' term { ast.BinOp(expr, ast.Add(), term) }
| expr '-' term { ast.BinOp(expr, ast.Sub(), term) }
| term { term }
)
term: ( l=term '*' r=factor { ast.BinOp(l, ast.Mult(), r) }
| term '/' factor { ast.BinOp(term, ast.Div(), factor) }
| factor { factor }
)
factor: ('(' expr ')' { expr }
| atom { atom }
)
atom: ( NAME { ast.Name(id=name.string, ctx=ast.Load()) }
| NUMBER { ast.Constant(value=ast.literal_eval(number.string)) }
)
|
