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My Developer Notes

Caveats wrt. traditional BASICs:

PRINT is a function call, not a statement (mostly because if used as an embedded scripting language there may not be anywhere to print to).

Comments use hash symbols rather than single quotes. This is partly because I wanted single quotes to have the same meaning as double quotes, as in Javacript.

Statements found in some old BASICs that are not available include CLS, LOCATE, WHILE-WEND and so on.

There aren't any arrays, only hash tables, and they are indexed using [] instead of ().

DIM is not needed (and not implemented) because of the way these hash tables are implemented.

& is the string concatenation operator.

DATA is also a function, rather than a statement.

The operator @ operator is for references. The expression @identifier converts the identifier to a string, so @ARRAY$ will be equivalent to "ARRAY$".

It is useful, because functions like DATA() and MAP() takes as a first parameter the name of the variable as a string. Using the @ operatior makes it clear that the parameter is a reference to a variable.

Uninitialised variables are initialised as "", which is treated as 0 in arithmetic.

Array indexes are case sensitive: people["John Doe"] and people["john doe"] refer to two different variables, even though all other variables are case insensitive (Person and person will refer to the same variable).

Known Issues

There are some places where a call to mu_throw() could cause memory to be leaked. Moral of the story: write your Musl programs in such a way that mu_throw() need never be called.

REM is not supported for comments. I really ought to consider adding it.

ToDo - Built-In Functions

Ideas for built-in functions that may be useful go in this section.

I need a function that does more or less the same as strtok(), but perhaps reentrant. Don't know what to name it. TOKENIZE() maybe?

How about an Oracle-like DECODE() function (see http://www.techonthenet.com/oracle/functions/decode.php for details)? I can give mine a different name, like SWITCH() or SELECT()

I'd also like to have a feature to dump all the variables somewhere for debugging Musl programs. It should be an API function and a Built-in function.