Syntax Directed Translation & intermediate code generation
Define YACC. YACC is a parser generator, YACC is an automatic tool for generating the parser program. YACC stands for …
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What are the basic aspects of storage management? Discuss them in brief?
One of the important tasks that a compiler must perform is to allocate the resources of the target machine to …
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Compare SLR, CLR, and LALR parsers.
S. no. SLR Parsers Canonical LR Parsers LALR Parsers 1 SLR parser are easiest to implement. CLR parsers are difficult …
Some Question in the Runtime environment
Define Activation Records. Ans. The information needed by a single execution or a single activation of a procedure is managed …
Name various techniques for storage allocation.
STORAGE ALLOCATION STRATEGIES The various storage allocation strategies to allocate storage in different data areas of the memory are Static …
Explain how memory is allocated to the program at run time.
When a variable is defined in the source program, the type of the variable determines how much memory the compiler …
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What is the use of the activation record? Explain different fields in the activation record.
We will apply these storage allocation strategies to activation records which is a. conceptual aggregate of data that contains all …
Differentiate between stack and heap allocation
Stack: Stored in Computer RAM like the heap. Variables created on the stack will go out of scope and automatically …
Define code optimization.
Computing optimization is the process of modifying a system to make some aspect of it work more efficiently or use …
Describe local and global optimization.
Local optimization: The local optimization is performed within a straight-line or a basic block of code without information from any …