Indenting Based on Unbalanced Paranthesis

I am writing an indentation script for a simple language. The language is has very simple constructs and the indentation really only has 3 rules:

1. A comment has goes from a // until a newline, anything in a comment should be ignored.

2. If the line above contains a semi-colon, the indentation should be 0.

3. Otherwise, indent to 1 more than the most recent unbalanced ( and to 4 spaces if all paranthesis are balanced.

The last rule is kinda stumping me, does anyone have any advice?

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Danny Gratzer

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