C-Language-based-Compiler

ADITYA GARG

2022CSB1062

The zipped folder contains 4 files (apart from the README.txt file) namely cucu.l, cucu.y, Sample1.cu, Sample2.cu

cucu.l & cucu.y

• cucu.l contains the regular expressions to tokenise the program.
• cucu.y contains the BNF grammar rules to parse the syntax.
• Open the terminal in the directory 2022CSB1062 and Enter the following commands to run the program :
    1. flex cucu.l
    2. bison -d cucu.y
    3. gcc cucu.tab.c lex.yy.c -lfl
    4. ./a.out
  
• Lexer.txt will be created that will have all the tokens.
• Parser.txt will be created that will have the parsed text.
• If syntax is incorrect, it will print "Syntax Error" in the terminal.

Sample1.cu

• This file contains the code which has correct synatx.
• You can change the file to be opened in the main function in cucu.y file.

Sample2.cu

• This file contains the code which has incorrect syntax.
• You can change the file to be opened in the main function in cucu.y file.
• By default Sample1.cu is opened

Assumptions

• Only two types of data types are valid:
  1. int
  2. char *