#1 Reserved Words
ALIAS, AND, ARGLIST, ARRAY, BEGIN, BLUEPRINT,
BY,CASE, CONST, COPY, DEFINITION, DIV, DO,
ELSE, ELSIF, END, EXIT, FOR, FROM, IF,
IMPLEMENTATION, IMPORT, IN, LOOP, MOD, MODULE,
NEW, NONE, NOT, OF, OPAQUE, OR, POINTER,
PROCEDURE, RECORD, REFERENTIAL, RELEASE, REPEAT,
RETAIN, RETURN, SET, THEN, TO, TYPE, UNTIL,
VAR, WHILE, YIELD
#2 Dual-Use Identifiers
(Schrödinger's Tokens)
ABS, ADDRESS, APPEND, CAST, COUNT, COROUTINE,
EXISTS, INSERT, LENGTH, OCTET, READ, READNEW,
REMOVE, SEEK, STORE, SUBSET, SXF, TDYN,
TFLAGS, TLIMIT, TLITERAL, TMAX, TMIN, TORDERED,
TREFC, TSCALAR, TSORTED, UNSAFE, VAL, VALUE,
WRITE, WRITEF
#3 Special Symbols
. , : ; | ^
~ .. := ++ -- ::
+ - * / \
= # > >= < <=
== & -> <> >< +/-
( ) [ ] { }
#3.1 Quoted Text Delimiters
' " << >>
#3.2 Comment Delimiters
! (* *)
#3.3 Pragma Punctuation and Delimiters
? <* *>
#3.4 Template Language Symbols
## <# #> @@ // /* */
#3.5 Reserved Symbols
` for use as a token by Objective Modula-2
@ for use as a lead character in identifiers and reserved words by language supersets
% for use as a character in identifiers and reserved words by implementations targeting OpenVMS
#4 Identifier EBNF
#4.1 Standard Library Identifier EBNF
#4.2 Letter Or Digit EBNF
#4.3 Foreign Identifier Character EBNF
#4.4 Identifier Tail Character EBNF
#5 Number Literal EBNF
#5.1 Decimal Number Tail EBNF
#5.2 Real Number Tail EBNF
#5.3 Digit Sequence EBNF
#5.4 Base-16 Digit Sequence EBNF
#5.5 Base-2 Digit Sequence EBNF
#5.6 Digit EBNF
#5.7 Base-16 Digit EBNF
#5.8 Base-2 Digit EBNF
#6 String Literal EBNF
#6.1 Single Quoted String EBNF
#6.2 Double Quoted String EBNF
#6.3 Quotable Character EBNF
#6.4 Letter EBNF
#6.5 Space EBNF
CONST Space = CHR(32);
#6.6 Non-Alphanumeric Quotable EBNF
#6.7 Escaped Character EBNF
#7 Chevron Text EBNF
