Compiler construction tools and frameworks(MCQs)
Which tool is used to generate a lexer (lexical analyzer) in compiler construction?
a) Lex
b) Yacc
c) Bison
d) Antlr
Answer: a) Lex
Which tool is used to generate a parser (syntax analyzer) in compiler construction?
a) Lex
b) Yacc
c) Bison
d) Antlr
Answer: b) Yacc
What does the tool Bison do in compiler construction?
a) Lexical analysis
b) Syntax analysis
c) Code generation
d) Optimization
Answer: b) Syntax analysis
Which of the following tools is an example of a parser generator?
a) Lex
b) GCC
c) Antlr
d) GDB
Answer: c) Antlr
What is the primary function of the tool Lex in compiler construction?
a) Syntax analysis
b) Semantic analysis
c) Lexical analysis
d) Code generation
Answer: c) Lexical analysis
Which tool would you use to create a syntax tree for a compiler?
a) Lex
b) Yacc
c) Bison
d) GCC
Answer: b) Yacc
What is the role of the tool Flex in compiler construction?
a) Syntax analysis
b) Lexical analysis
c) Semantic analysis
d) Code optimization
Answer: b) Lexical analysis
Which tool is used for both lexical and syntax analysis?
a) Lex
b) Yacc
c) Bison
d) Antlr
Answer: d) Antlr
Which of the following is a tool used for code generation and optimization?
a) Lex
b) Yacc
c) GCC
d) Flex
Answer: c) GCC
What does the term “abstract syntax tree” (AST) refer to in compiler construction?
a) A data structure representing the syntax of source code
b) A tool for lexical analysis
c) A type of optimization technique
d) A machine code representation
Answer: a) A data structure representing the syntax of source code
Which of the following tools is commonly used to generate intermediate code?
a) Lex
b) Bison
c) GCC
d) GDB
Answer: c) GCC
Which compiler tool is designed for generating both lexical analyzers and parsers?
a) Lex
b) Flex
c) Bison
d) GCC
Answer: c) Bison
What is the main purpose of the tool Antlr?
a) To generate both lexers and parsers
b) To optimize machine code
c) To debug compiled code
d) To manage memory allocation
Answer: a) To generate both lexers and parsers
What does the term “semantic analysis” refer to in compiler construction?
a) Analyzing the meaning and correctness of code
b) Analyzing the syntax of code
c) Generating machine code
d) Performing lexical analysis
Answer: a) Analyzing the meaning and correctness of code
Which of the following tools is a popular parser generator with support for various languages?
a) Lex
b) Bison
c) GCC
d) GDB
Answer: b) Bison
What is the primary role of the tool GCC in compiler construction?
a) Compiling and optimizing code
b) Generating lexers
c) Generating parsers
d) Debugging code
Answer: a) Compiling and optimizing code
Which of the following tools is known for its use in lexical analysis and is a modern alternative to Lex?
a) Yacc
b) Antlr
c) Flex
d) GCC
Answer: c) Flex
Which tool is used to manage and analyze symbol tables in compiler construction?
a) Lex
b) Yacc
c) Bison
d) GCC
Answer: d) GCC
In the context of compiler construction, what does “code generation” involve?
a) Translating intermediate code into machine code
b) Analyzing code syntax
c) Managing memory allocation
d) Debugging compiled code
Answer: a) Translating intermediate code into machine code
Which tool would you use for runtime debugging of compiled code?
a) Lex
b) Yacc
c) GDB
d) Bison
Answer: c) GDB
What is the function of the tool GDB in compiler construction?
a) Debugging compiled code
b) Generating parsers
c) Performing lexical analysis
d) Optimizing machine code
Answer: a) Debugging compiled code
Which compiler construction tool is known for generating recursive descent parsers?
a) Lex
b) Bison
c) Antlr
d) GCC
Answer: c) Antlr
What is “code optimization” in compiler construction?
a) Improving the performance and efficiency of machine code
b) Generating intermediate code
c) Analyzing code syntax
d) Debugging code
Answer: a) Improving the performance and efficiency of machine code
Which tool can be used for both lexical and syntax analysis and is known for its versatility?
a) Yacc
b) Antlr
c) Lex
d) GCC
Answer: b) Antlr
What does the term “compiler frontend” refer to?
a) The part of the compiler that handles parsing and semantic analysis
b) The part of the compiler that performs optimization
c) The part of the compiler that generates machine code
d) The part of the compiler that manages memory
Answer: a) The part of the compiler that handles parsing and semantic analysis
Which tool is designed to handle multiple languages and supports generating code in various programming languages?
a) Lex
b) Flex
c) Antlr
d) Yacc
Answer: c) Antlr
What is the purpose of a “symbol table” in compiler construction?
a) To store information about identifiers and their attributes
b) To manage memory allocation
c) To perform lexical analysis
d) To generate machine code
Answer: a) To store information about identifiers and their attributes
Which tool is often used in conjunction with Yacc to perform lexical analysis?
a) Lex
b) Bison
c) GCC
d) GDB
Answer: a) Lex
What is the primary role of the “backend” in a compiler?
a) Generating machine code and performing optimization
b) Parsing source code
c) Performing lexical analysis
d) Debugging code
Answer: a) Generating machine code and performing optimization
Which of the following tools is known for generating high-performance code for various architectures?
a) Lex
b) Yacc
c) GCC
d) Antlr
Answer: c) GCC
What is the function of the tool “FLEX” in the context of compiler construction?
a) To generate lexical analyzers
b) To generate parsers
c) To perform semantic analysis
d) To optimize machine code
Answer: a) To generate lexical analyzers
Which tool would you use to generate a parser that uses a LALR(1) parsing algorithm?
a) Lex
b) Yacc
c) Antlr
d) GCC
Answer: b) Yacc
What does “LR parsing” refer to in compiler construction?
a) A type of parsing that reads input from Left to right and constructs a Rightmost derivation
b) A type of lexical analysis
c) A method for generating intermediate code
d) A debugging technique
Answer: a) A type of parsing that reads input from Left to right and constructs a Rightmost derivation
Which of the following tools is best suited for generating a lexer for C++ code?
a) Antlr
b) Lex
c) Bison
d) Yacc
Answer: a) Antlr
Which tool is used for generating a parser from a context-free grammar?
a) Lex
b) Yacc
c) GCC
d) GDB
Answer: b) Yacc
What is “dead code elimination” in the context of compiler optimization?
a) Removing code that does not affect the program’s outcome
b) Encrypting unused code
c) Generating machine code
d) Performing lexical analysis
Answer: a) Removing code that does not affect the program’s outcome
Which tool is commonly used for syntax-directed translation in compiler construction?
a) Lex
b) Yacc
c) Antlr
d) GCC
Answer: b) Yacc
Which tool is known for its support of attribute grammars and is used in compiler construction?
a) Lex
b) Bison
c) Antlr
d) GDB
Answer: c) Antlr
What does the term “parse tree” refer to in compiler construction?
a) A tree representation of the syntactic structure of source code
b) A data structure for lexical analysis
c) A method for code optimization
d) A machine code representation
Answer: a) A tree representation of the syntactic structure of source code
Which tool is used to perform semantic analysis and manage symbol tables in a compiler?
a) Lex
b) Yacc
c) Antlr
d) GCC
Answer: d) GCC
Which of the following is a tool specifically designed for syntax-directed translation using attribute grammars?
a) Lex
b) Yacc
c) Antlr
d) Flex
Answer: c) Antlr
What does “syntax-directed translation” involve in compiler construction?
a) Translating source code based on its syntactic structure
b) Encrypting code for security
c) Generating machine code directly
d) Performing lexical analysis
Answer: a) Translating source code based on its syntactic structure
Which tool is used to handle parsing for context-free grammars and generate code for various programming languages?
a) Yacc
b) Lex
c) Antlr
d) GCC
Answer: c) Antlr
Which tool helps in managing memory allocation during the compilation process?
a) Lex
b) Yacc
c) GCC
d) GDB
Answer: c) GCC
What is “link-time optimization” in the context of compilers?
a) Optimization performed during the linking phase of compilation
b) Optimization performed during lexical analysis
c) Optimization performed during syntax analysis
d) Optimization performed at runtime
Answer: a) Optimization performed during the linking phase of compilation
Which tool is primarily used for parsing and generating code for declarative languages?
a) Lex
b) Yacc
c) Antlr
d) GCC
Answer: c) Antlr
What does “compiler frontend” include?
a) Lexical analysis and parsing
b) Code optimization and generation
c) Memory management
d) Debugging
Answer: a) Lexical analysis and parsing
Which tool can be used to create an intermediate representation of code for further optimization?
a) GCC
b) Lex
c) Yacc
d) GDB
Answer: a) GCC
What is the role of the “optimizer” in a compiler?
a) To improve the performance of the compiled code
b) To generate machine code
c) To manage symbol tables
d) To perform lexical analysis
Answer: a) To improve the performance of the compiled code
Which tool is known for its use in generating parsers for complex programming languages and supports multiple grammars?
a) Yacc
b) Flex
c) Antlr
d) GCC
Answer: c) Antlr