/// <summary>
/// Called when a <see cref="ForBlock"/> block is read.
/// Verifies the structure of the For loop and calls the corresponding functions that
/// handle the code generation for the loop.
/// Called by <see cref="INSTRUCTION"/>.
/// </summary>
void FOR()
{
Expect(28); // "for"
Expect(10); // '('
SUPER_EXP();
Expect(12); // ')'
try { QuadrupleManager.ForAfterCondition(); }
catch (Exception e) { SemErr(e.Message); }
Expect(29); // "loops"
Expect(7); // '{'
while (StartOf(1))
{
INSTRUCTION();
}
Expect(8); // '}'
QuadrupleManager.ForEnd();
}