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Procedures and functions
Procedures are translated to void-functions:
procedure foo; -> void foo();
The translation of functions is more complicated, because there aren't return-statements in Object-Pascal. Instead, the return value is assigned to a variable "Result", which is implicitely declared in each function. In C++ this variable must be declared explicitly and returned at the end of the function. Also to the Exit-function has to be replaced by a return-statement in C++.
function foo(i : Integer) : bar; begin Result := 0; if i < 0 then EXIT else Result := 1; end; ->
bar __fastcall foo ( int i ) { bar result; result = 0; if ( i < 0 ) return result; else result = 1; return result; }
In addition, the function name itself acts as a special variable that holds the function’s return value, as does the predefined variable Result. So the same translation as above results from:
function foo(i : Integer) : bar; begin foo := 0; if i < 0 then EXIT else foo := 1; end;
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