Compilers Assignment 2

Task 1

• Navigate to task_1_Lexical_Analysis
• Place the file to be tested in this folder
• Run -> lex BTC24ETH.l
• Run -> cc lex.yy.c
• Run -> ./a.out < <your_file_name>
• Get the output in terminal

Task 2

• Navigate to task_2_Syntax_Analysis
• Place the file to be tested in this folder
• Run -> lex BTC24ETH.l
• Run -> bison -d --yacc BTC24ETH.y
• Run -> cc y.tab.c
• Run -> ./a.out < <your_file_name>
• Get the output in terminal

Task 3

• Navigate to task_3
• Place the file to be tested in this folder
• Run -> yacc -d parser.y
• Run -> lex lexer.l
• Run -> gcc y.tab.c lex.yy.c -ll
• Run -> ./a.out <your_file_name>
• Run -> python3 draw.py
• Get the output in terminal and in .ps file

Task 4

• Navigate to task_4
• Place the file to be tested in this folder
• Run -> yacc -d parser.y
• Run -> lex lexer.l
• Run -> gcc y.tab.c lex.yy.c -ll
• Run -> ./a.out <your_file_name>
• Get the output in terminal

Task 5

• Navigate to task_5
• Place the file to be tested in this folder
• Run -> yacc -d parser.y
• Run -> lex lexer.l
• Run -> gcc y.tab.c lex.yy.c -ll
• Run -> ./a.out <your_file_name>
• Get the output in terminal

For Task 5 while and for do loops are not implemented, additionally the evaluator cannot handle negative integers.