Building a Compiler

Building binary:

git clone https://github.com/IIIT-CSG/language-design-and-documentation-ramkishore07s.git
cd language-design-and-documentation/src/
make

Running the compiler:

./parser < test.code

Features:

• Variable types:

  • Int
  • Uint
  • Char
  • Bool

• Operations support:

  • Add (+)
  • Sub (-)
  • Mul (*)
  • Div (/)
  • Or (|)
  • And (&)
  • Not (!)

• Arrays: Multi dimensional arrays

• Functions

• Function parameters:

  • Pass by value for primitive types (int , uint , char , bool)
  • Pass by reference for array types

• Branching:

  • For loop
  • While looop
  • If
  • Else
  • Break
  • Continue

Sample Programs:

Sample 1:

int pow(int i, bool xd[10]) {
int c[10][10];
i = 5;
c[i][i] = i;
outputInt(c[5]);
for (i=0; i<10; i=i+1;) {
c[i][i] = i * i;
outputInt(c[i][i]);
}
while (i < 20) {
i = i + 1;
c[i-10][i-10] = i;
if (i > 15) {
continue;
}
outputInt(c[i-10][i-10]);
}
bool d[10][10];
d[3][5] = true;
outputBool(d[3][5] + 10);
return 10;
}
int main() {
int c;
outputInt(c);
int d;
bool e[10];
outputBool(e[3][5]);
outputInt(d);
outputBool(e[3][5]);
pow(3, e);
return 0;
}

Sample 2:

int pow(int i[10]) {
int j[10];
int c;
c = i[5];
i[5] = 5;
j[5] = 2;
return 10;
}
int main() {
int c[10][10];
int j;
j = 5;
c[5][5] = 2;
outputInt(c[5][5]);
pow(c[5]);
outputInt(c[5][5]);
return 0;
}