/// <summary>
/// Function called when a <see cref="FunctionCall"/> block is found.
/// Verifies that the call's structure is correct and calls <see cref="QuadrupleManager"/>
/// to carry out the necessary actions given the instruction.
/// Called by <see cref="FACTOR"/>.
/// </summary>
void CALL_TO_FUNCTION()
{
Expect(19); // "call"
Expect(1); // id
string functionId = t.val;
try { QuadrupleManager.CallFunctionBeforeParameters(functionId); }
catch (Exception e) { SemErr(e.Message); }
Expect(10); // '('
try { QuadrupleManager.CallFunctionOpeningParenthesis(); }
catch (Exception e) { SemErr(e.Message); }
if (StartOf(3))
{
SUPER_EXP(); // result of parameter
try {
QuadrupleManager.CallFunctionParameter();
while (la.kind == 11) // ','
{
Get();
SUPER_EXP(); // result of parameter
QuadrupleManager.CallFunctionParameter();
}
}
catch (Exception e) { SemErr(e.Message); }
}
Expect(12); // ')'
try { QuadrupleManager.CallFunctionClosingParenthesis(); }
catch (Exception e) { SemErr(e.Message); }
try { QuadrupleManager.CallFunctionEnd(); }
catch (Exception e) { SemErr(e.Message); }
}