Convert an infix expression to a postfix expression

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Reference no: EM132213331

Question :

Write semantic actions for the following grammar to convert an infix expression to a postfix expression that is stored in E_post at the root node of the parse tree, assuming and - and + are left associative Literal terminal tokens have been designated with double-quotes for clarity.

The token num is also a terminal token.

E →E "+" E

E →E "+-" E

E →"("E")"

E →num

Reference no: EM132213331

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