A simple parser for python made using lex yacc. It currently supports only selected python expressions as stated below.

• gnu's lex yacc sudo apt-get install bison flex
• make utility sudo apt-get install build-essential

• go to source folder cd src
• make clean to remove old stuff lying around
• make to build : this will generate the usual files
• make run to execute

• go to source folder cd src
• make clean to remove old stuff lying around
• make debug to build with debugging flags
• this will generate a lot of extra files. feel free to look through.
• make run to execute

• each statement ends with semicolon

• arithmetic expressions along with brackets

  a=5;
  a=5+24;
  a=rod;
  a=5*(4+3);

• string assignments

  var="hello";
  var='hello';

• print statements

   print 'hello';		# single quotes handled
   print "hello";		# double quotes handled

• keywords cant be identifiers

• Multiple Statements on a Single Line

  var=5; var2=6; var7=23;

• multi line statements -- a single statement written in multiple lines

  var= 2+ \
      3+	\
      4

• static array initialisation not included

  var = [3,3,23];
  days = ['Monday', 'Tuesday', 'Wednesday','Thursday', 'Friday']

• single or multi line comments

• triple quote print statements - multiline strings

  print """hello""";
  print '''hello''';
  

• typecasting

  print "hello" + str(5);

• shorthand operators not handled

  var+=3;
  var+=2;

• This assignment covers only simple cases.
• Only to be used as a reference point.
• This code was made in 2015. Use at your own discretion.