Question

Write the difference between synthesized and inherited attributes

Answer 1

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The easiest way to think about them is the direction from where they originate. An inherited attribute derives its value from the parent nodes. A synthesized attribute derives its value from the child nodes. Alternatively,inherited attributes flow top-down, while synthesized attributes flow bottom-up.

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Answer 2

Answer:

synthesized Attributes: -

1. value of synthesized attributes at a node can be computed from the value of attributes at the children of that node in the parse tree.
2. Pass the information bottom to top in parse tree

inherited attributes

1. values of the inherited attributes at a node can be computed from the value of attributes at the parent and/or siblings of the node.
2. Pass the information top to bottom in parse tree