Feature | QBasic | QB 4.5 | -lang qb | -lang fblite | -lang dep. | -lang fb |
---|---|---|---|---|---|---|
' Comments | X | X | X | X | X | X |
!"literal" prefix | - | - | X | X | X | X |
"." in Symbol Names | X | X | X | X | X | - |
"_" in Symbol Names | - | - | X | X | X | X |
$ suffix optional on built-in string functions | - | - | - | X | X | X |
$"literal" prefix | - | - | X | X | X | X |
: Statement Separator | X | X | X | X | X | X |
_ Line Continuation | - | - | X | X | X | X |
16-bit INTEGER, 32-bit LONG | X | X | X | - | - | - |
32-bit INTEGER, 32/64-bit LONG | - | - | - | X | X | X |
Anonymous Inner Types | - | - | - | X | X | X |
BYREF default for passing arguments | X | X | X | X | X | - |
BYREF default for passing UDT's | X | X | X | X | X | X |
BYVAL default for passing scalars | - | - | - | - | - | X |
Can access keywords with "__" prefix | - | - | X | - | - | - |
Classes | - | - | - | - | - | - |
DATA (Module Level) | X | X | X | X | X | X |
DATA (Procedure Level) | - | - | - | - | - | - |
DATA Inside Module Level Compound Statements | X | X | X | - | - | - |
Explicit Scope Blocks | - | - | - | - | X | X |
Function return type can be declared AS TYPE | - | - | X | X | X | X |
Function return type can be declared with suffix | X | X | X | X | X | - |
Function return type can be UDT | - | - | X | X | X | X |
GOSUB (Module Level) | X | X | X | X | - | - |
GOSUB (Procedure Level) | X | X | X | X | - | - |
Implicit Scope Blocks | - | - | - | - | X | X |
Implicit Variables | X | X | X | X | X | - |
Initializers | - | - | - | X | X | X |
Labels (floating point) | X | X | X | X | X | - |
Labels (Integer) | X | X | X | X | X | - |
Labels (Named) | X | X | X | X | X | X |
Multiline Comments /' '/ | - | - | X | X | X | X |
Namespaces | - | - | - | X | X | X |
Overloaded Operators | - | - | - | X | X | X |
Overloaded Procedures | - | - | - | X | X | X |
Pointers | - | - | - | X | X | X |
Preprocessor | - | - | X | X | X | X |
Scoped #define's | - | - | X | X | X | X |
Suffixes (! # $ % &) | X | X | X | X | X | - |
Symbols with same name as keywords | X | X | X | - | - | - |
Threading | - | - | - | X | X | X |
Unicode | - | - | - | X | X | X |
Unsigned Integer Types | - | - | - | X | X | X |
Up to 64-bit Integer Types | - | - | - | X | X | X |
Use of CALL before definition | X | X | X | - | - | - |
Table generated on
August 29, 2008