DeMosser-Hackathon

De Mosses a given c code

INSTALLATION AND USAGE PROCEDURE

1. Download the zip, and extract the folder.
2. save the code to be DeMossed in the file named input.c
3. on the terminal, change the working directory to the extracted directory
4. run the command -

chmod +x shell.sh (only for the first time)

./shell.sh

5. the output will be stored in final_output.c and final_output_with_hashtag.c
6. the link for the Moss results will be displayed in the terminal

FILE DESCRIPTIONS

1. Array_heap_declaration.py - converts all the arrays declared in the given c program into heap allocations of respective datatype
2. CharTypeChange.py - converts all the variables of datatype char into unsigned char
3. FloatTypeChange.py - converts all the variables of float datatype into double
4. IntTypeChange.py - converts all variables of integer datatype into long long
5. ReFormat.py - formats the given c code according to usual standard
6. Mul_1_Add_zero.py - during variable declarations, the RHS is multipled by 1 and 0 is added
7. changeIncrement.py - increments done through the i++ method are changed to i+=1
8. struct.py - creates random structures in the c program
9. if1.py - randomly adds if(1) before statements that are certainly executed
10. add_this.c - has random sort functions which will be used to implement sorting in the program
11. add_random_stuff.py - uses the random sort function, to implement sorting in the program
12. whileToFor.py - converts all the while loops into for loops
13. ifToSwitch.py - converts if-else statements into switch-case conditions

FUTURE IDEAS AND CURRENT IMPLEMENTATIONS

• Convert while to for
• change int to long long, (+other datatype changes)
• convert if-else into switch-case
• convert arrays into mallocs (freeing not implemented)
• create a sort algorithm and use
• #define random values
• added a structure
• Reformat the c file
• Create an interface to add the code to be demossed (half tick maybe ??)
• random testcase generator to review the final output
• split a function into multiple parts using program flow graph (PFG)
• change the order of execution of the program (PFG)
• Comments need to be handled.