Arithmetic evaluation: Difference between revisions

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A program which parsers and evaluates an arithmetic expression. Requirements an AST for the expression must be created from parsing, and that is what must be used in evaluation also, so no calling eval.
A program which parsers and evaluates arithmetic expressions. Requirements: an AST for the expression must be created from parsing the input, the AST must be used in evaluation also, so no calling eval or similar if the language has such a thing.
The expression will be a string of list of symbols like "(1+3)*7".
The expression will be a string of list of symbols like "(1+3)*7".
+ - * / as binary operators must be supported including precedence levels, as well as paranthesis.
+ - * / as binary operators must be supported including precedence levels, as well as paranthesis.
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