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ANY
PARSE_NON_TERMINAL
PARSE_NT_NODE
ESE_PARSER
PARSE_TABLE
TYPED_INTERNALS
INTERNALS_HANDLER
All features
class PARSE_NON_TERMINAL
Summary
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A non-terminal meant to be put in a
PARSE_TABLE
.
The only way to create a non-terminal is to use SmartEiffel's manifest notation.
The structure of this notation is:
{
PARSE_NON_TERMINAL
<< rule, agent; rule, agent; . . . rule, agent >>}
where each rule is a
TRAVERSABLE
[
STRING
] (with each String being the name of an atom of the
PARSE_TABLE
), and each agent may either be Void or a
PROCEDURE
[
TUPLE
] called when reducing the non-terminal.
Direct parents
inherit list:
PARSE_ATOM
Overview
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creation features
exported features
copy
(other: PARSE_NON_TERMINAL)
Update current object using fields of object attached to
other
, so as to yield equal objects.
is_equal
(other: PARSE_NON_TERMINAL):
BOOLEAN
Is
other
attached to an object considered equal to current object?
add
(rule:
TRAVERSABLE
[
STRING
], action:
PROCEDURE
[
TUPLE
])
name
:
STRING
table
:
PARSE_TABLE
copy
(other: PARSE_NON_TERMINAL)
effective procedure
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Update current object using fields of object attached to
other
, so as to yield equal objects.
Note: you can't copy object from a different dynamic type.
require
same_dynamic_type(other)
ensure
is_equal(other)
is_equal
(other: PARSE_NON_TERMINAL):
BOOLEAN
effective function
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Is
other
attached to an object considered equal to current object?
require
other /= Void
ensure
commutative:
generating_type = other.generating_type implies Result = other.is_equal(Current)
add
(rule:
TRAVERSABLE
[
STRING
], action:
PROCEDURE
[
TUPLE
])
effective procedure
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require
rule /= Void
name
:
STRING
writable attribute
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table
:
PARSE_TABLE
writable attribute
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{PARSE_NON_TERMINAL << rule, agent; rule, agent; . . . rule, agent >>}where each rule is a TRAVERSABLE[STRING] (with each String being the name of an atom of the PARSE_TABLE), and each agent may either be Void or a PROCEDURE[TUPLE] called when reducing the non-terminal.