What is parameter passing and explain various methods of parameter passing?
The communication between a calling and called procedure is done by means of non-local names and parameters. The common methods …
Compiler Design
Explain storage organization
The executing target program runs in its own logical address space in which each program value has a location. The …
Differentiate between Static, Stack, and Heap allocation strategies
Static Allocation: The simpler form of allocation is static allocation. Storage space once allocated was never released. So a very …
Define the term activation record? Explain different fields in the activation record.
Activation Records Procedure calls and returns are managed by a runtime stack called control stack. Each live activation has an …
Explain different runtime storage allocation strategies
Stack storage: Names local to a procedure are allocated space on a stack. The stack supports the normal call/ return …
Write short notes on – Parameter passing technique, Symbol table.
Parameter Passing Technique Step after procedure call is to pass the actual parameters up to the activation record being created. …
Write the difference between a parse tree and the syntax tree.
Syntax trees resemble parse trees to an extent. In the syntax tree, interior nodes represent programming constructs while in the …
What is the different error recovery technique used in parsing? Explain them in brief.
There is three type of error recovery technique used in parsing Panic-Mode Recovery Phrase-Level Recovery Error Productions Panic-Mode Recovery: With …
Differentiate between top-down and bottom-up parsing.
Bottom-Up Parsing Bottom-up parsers build a parse tree from the bottom (leave) to top (root). The top-down parser starts with …
Role of Lexical Analyzer
Works as an interface between the source program and parser. It examines input text character by character and separates the …
