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Aadhavan Srinivasan
2023-11-26 13:39:59 -05:00
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2. If there are any parantheses, replace the parantheses with the result of the sub-expression. 2. If there are any parantheses, replace the parantheses with the result of the sub-expression.
3. Evaluate the overall expression (which should no longer have any parantheses) 3. Evaluate the overall expression (which should no longer have any parantheses)
Rather than building a tree from the expression (which is the recommended approach), I have opted to perform the substitutions in-place. This means that the result of an operation replaces the operation itself. The reason I chose to do this, is that my parsing algorithm considers everything inside parantheses as a single token. Therefore, it is fairly easy to replace this token with the result of the expression within the parantheses. Rather than building a tree from the expression (which is the recommended approach), I have opted to perform the substitutions in-place. This means that the result of an operation replaces the operation itself.
The reason I chose to do this, is that my parsing algorithm considers everything inside parantheses as a single token. Therefore, it is fairly easy to replace this token with the result of the expression within the parantheses.
## Features ## Features
- Order of operations - Order of operations