phrase/2

Description

phrase(NonTerminal, Input)

True if the list Input can be parsed using the specified non-terminal NonTerminal. This method also accepts grammar rule bodies in the first argument (with the limitation that cuts are only supported in local calls).

Template and modes

phrase(+callable, ?list)

Errors

NonTerminal is a variable:

instantiation_error

NonTerminal is neither a variable nor a callable term:

type_error(callable, NonTerminal)

Input is neither a partial list nor a list:

type_error(list, Input)

The grammar rule non-terminal NonTerminal is private:

permission_error(access, private_non_terminal, NonTerminal)

The grammar rule non-terminal NonTerminal is protected:

permission_error(access, protected_non_terminal, NonTerminal)

The grammar rule non-terminal NonTerminal is not declared:

existence_error(non_terminal_declaration, NonTerminal)

Examples

| ?- sentence::phrase(sentence, [the, girl, likes, the, boy]).

yes


| ?- calculator::phrase(expr(Value), "1+2-3*4").

Value = -9
yes