ProgrammingLanguage

A programming language is designed and implemented using the Lex and Yacc compiler generating package to be used as a compiler for C language.

Team 13

Team members	Sec	BN
Ahmed Hamdy	1	1
Ayat Mostafa	1	10
Mohamed Abdullah	2	16
Nada Adel	2	27

Notes

• We assume that, if the comparison is true, the flag will be zero
• Any complete statement (line) ends with a semicolon(;)

If - Else statement

 if ( expression ) {
      line1
      line2
      ...
 }
 else if ( expression ) {
      line1
      line2
      ...
 }
 ...
 ...
 else {
      line1
      line2
      ...
 }

Switch - Case statement

 switch ( identifier ) {
      case number/char/string :
           line 1
           line 2
           ....
           break;

       ...
       ...

       default :
           line 1
           line 2
           ....
           break;
 }

For Loop statement

 for ( int i = 0; expression ; expression )
 {
      line 1
      line 2
 }     

While Loop Statement

 while(/*any_logical_exp*/)
 {
      
      line 1
      
      line 2
      ....
 }

Repeat Until Statement

 do 
 {	
      
      line 1
      
      line 2
      ....
 }
 while(/*any_logical_exp*/);

Block Structures

/* any number of nested blocks, each defined with a start and an end curly braces */

{

line 1

....

}

{

line 1;
{
	line 2
	
	line 3
	....
}
line 4
....

}

/* each block can contain any other type of statements with no constraints */

Data Types supported

 -int 
 -float
 -char
 -string
 -bool
 -void for function 

Variable declaration and definition

 e.g 
 int x;
 int y=5;
 string name = "I love compiler course"
 char c='a';
 bool flag=true;

Functions

 Data_type function_name(params){

      line1
      
      line2
      .. 

      return expression;
 }