Singular Expression (expr)¶
An Expression can be part of a Compound Expression (compoundexpr).
expr ::= ID | INTLIT | '"' STRLIT '"' | cnd | app
- An ID is a regular string beginning with a letter and containing letters, numbers, or the symbols -, _, or . and not being a keyword.
- An INTLIT is an integer literal either being a single-digit number from 0 to 9 or a multiple-digit number starting with a digit from 1 to 9 and containing digits from 0 to 9. An INTLIT can be negative with a leading -.
- A STRLIT is a string literal containing any symbol except a ”.