- Introduction
- 1. 1.Introduction
- 2. 2.A Simple Syntax-Directed Translator
- 3. 3.Lexical Analysis
- 4. 4.Syntax Analysis
- 5. 5.Syntax-Directed Translation
- 6. 6.Intermediate-Code Generation
- 7. 7.Run-Time Environments
- 8. 8.Code Generation
- 9. 12.InterProcedural Analysis
- Published with GitBook
Exercises for Section 7.5
7.5.1
What happens to the reference counts of the objects in Fig. 7.19 if:
- The pointer from A to B is deleted.
- The pointer from X to A is deleted.
- The node C is deleted.
Figure 7.19: A network of objects
Answer
The pointer from A to B is deleted.
The pointer from X to A is deleted.
The node C is deleted.
7.5.2
What happens to reference counts when the pointer from A to D in Fig. 7.20 is deleted?
Figure 7.20: Another network of objects
Answer
