- In
formal languages,
terminal and
nonterminal symbols are the
lexical elements used in
specifying the
production rules constituting a
formal grammar....
- (CFG) is a
formal grammar whose production rules can be
applied to a
nonterminal symbol regardless of its context. In particular, in a context-free grammar...
- are of the form: A → BC, or A → a, or S → ε,
where A, B, and C are
nonterminal symbols, the
letter a is a
terminal symbol (a
symbol that represents...
-
Likewise the
names ****igned to
parsing expressions are
called nonterminal symbols, or
nonterminals for short.
These terms would be
descriptive for generative...
- a
single nonterminal on the left-hand side and a right-hand side
consisting of a
single terminal,
possibly followed by a
single nonterminal, in which...
-
production rules for each
nonterminal following a '•' have to be
recursively included into the item set
until all of
those nonterminals are
dealt with. The...
- +3{\displaystyle {}+3}, a
suitable suffix. In
terms of context-free grammar, a
nonterminal is left-recursive if the
leftmost symbol in one of its
productions is...
- end of rule r0. A
Products can also
begin with
nonterminal Value. For any
other lookahead or
nonterminal, the p****r
announces a
syntax error. In state...
-
composed of
terminal and
nonterminal symbols,
possibly interleaved with
operators that
compose one or
several derivation rules.
Nonterminal symbols are indicated...
- symbols:
nonterminal and
terminal symbols; each left-hand side must
contain at
least one
nonterminal symbol. It also
distinguishes a
special nonterminal symbol...
