May 2024
Intermediate to advanced
536 pages
17h 10m
English
Content preview from Compilers: Principles and Practice by Pearson
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172 Compilers – Principles and Practice
If we try to represent the definition of Node as a graph having back-edges from pointer to the
struct, then the tree_comp() will go into an unending loop which checking such a structure.
The other possibility is that the pointer type constructor just records the name of the type to which it
is pointing, as shown in following figure.
struct
array util util util util util util
2pointer
struct node_str
uct
This means that we use named equivalence. Many languages which allow such recursive type
definitions, including C, settle for a compromise solution. They use structural equivalence in all the
cases except while ...
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