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ToyGrammarTemplate.txt
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ToyGrammarTemplate.txt
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TOY LANGUAGE TEMPLATES
------------------------------------------------------------------
CONDITIONAL STATEMENTS
------------------------------------------------------------------
IF [condition] IS TRUE
DO
{
}
ELSE IF [condition] IS TRUE
DO
{
}
ELSE
DO
{
}
(Switch statement)
----------------------
IF [expression]
IS [expr] DO [statement] ;
IS [expr] DO [statement] ;
DEFAULT DO [statement] ;
------------------------------------------------------------------
LOOPS
------------------------------------------------------------------
(While loop - most general)
-------------------------------
WHILE [condition] IS TRUE //this is a general condition loop
KEEP DOING
{
}
(specific count loop - original)
------------------
DO [expression] TIMES //this is a specific count loop
{
}
(Indexed For loop)
-------------------------------------------------------------
FOR INDEX [variable] START AT [expression] AND WHILE [condition]
DO
{
}
UPDATE [assignment] ;
Example:
FOR INDEX i START AT 0 AND WHILE i < 10
DO THIS
{
}
UPDATE i++
-------------------------------------------------------------------------------
FUNCTIONS (no procedures)
-------------------------------------------------------------------------------
Definiton
function name(type param1, type param2 ... type paramN) return int
{
....
return i;
}
name(arg1, arg2 ... argN);
--------------------------------------------------------------------------------
Comments
---------------------------------------------------------------------------------
//
-------------------------------------------------------------------------------
Records/Structs
---------------------------------------------------------------------------------
BLUEPRINT FOR [RECORD NAME]
{
type fieldName ;
}
-------------------------------------------------------------------------------------
Types
-------------------------------------------------------------------------------------
int
dec
bool
char
nothing //void
Address??
String
-----------------------------------------------------------------------
ID / Assignment
-----------------------------------------------------------------------
Var declaration a top of class and function like Pascal, but each is declared like java.
Java style declaration / definition
i -> ref //pass by ref
final int i = val
int i, j = val
75 numbers / letters for IDs
----------------------------------------------------
Boolean Operators
----------------------------------------------------
AND
OR
NOT
----------------------------------------------------
Print To Output
----------------------------------------------------
Print()
----------------------------------------------------
ARRAYS
----------------------------------------------------
Array type name = [element,.....] ;
name[i] ;
------------------------------------------------------
Compound Statement
------------------------------------------------------
DO
{
}