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From: mikew50@aol.com (MikeW50)
Newsgroups: comp.sys.apple2.programmer
Subject: Re: GSoft Specification
Date: 4 Feb 1997 21:05:56 GMT
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Part 3

The GSoft Command Set
---------------------

Operations
----------

=
+
-
*
/
^
<
>
<= =<
>= =>
<> ><
(
)
AND
NOT
OR

Declarations
------------					

DIM identifier '(' expression [ ',' expression ]* ')'

Support will be included for defining records and for setting the type of
a variable (e.g. forcing I to be an integer, rather than a real), but the
exact syntax has not yet been fixed.

Arithmetic Functions
--------------------
					
ABS '(' expression ')'
ATN '(' expression ')'
COS '(' expression ')'
DEF FN ---
EXP '(' expression ')'
INT '(' expression ')'
LOG '(' expression ')'
RND '(' expression ')'
SGN '(' expression ')'
SIN '(' expression ')'
SQR '(' expression ')'
TAN '(' expression ')'

Control		
-------			
DO [ UNTIL | WHILE ] expression
LOOP [ UNTIL | WHILE ] expression

FOR identifier '=' expression TO expression [ STEP expression ]
NEXT [ identifier [ ',' [ identifier ] ]* ]

IF expression [ THEN | GOTO | THEN GOTO ] line

IF expression THEN statement [ ':' statement ]*

IF expression THEN
ELSE IF expression THEN
ELSE
END IF

SELECT CASE expression
CASE expression [ TO expression ] [ ',' expression [ TO expression ] ]*
END SELECT

WHILE expression
WEND

END
GOSUB line
GOTO line
[ LET ] l-value = expression
ON GOSUB line [ ',' line ]*
ON GOTO line [ ',' line ]*
ONERR GOTO line
POP
REM any character sequence
RESUME
RETURN
STOP