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[section Configuration]
The CONTAINER export plugin recognizes the following configuration
variables and changes its behaviour as they specify.
[list_begin arguments]
[arg_def enum mode]
The value of this configuration variable controls which methods of
[package pt::peg] instances the plugin will use to specify the
grammar. There are two legal values
[list_begin definitions]
[def [const bulk]]
In this mode the methods [method start], [method add], [method modes],
and [method rules] are used to specify the grammar in a bulk manner,
i.e. as a set of nonterminal symbols, and two dictionaries mapping
from the symbols to their semantic modes and parsing expressions.
[para]
This mode is the default.
[def [const incremental]]
In this mode the methods [method start], [method add], [method mode],
and [method rule] are used to specify the grammar piecemal, with each
nonterminal having its own block of defining commands.
[list_end]
[arg_def string template]
If this configuration variable is set it is assumed to contain a
string into which to put the generated code and other configuration
data. The various locations are expected to be specified with the
following placeholders:
[list_begin definitions]
[def [const @user@]]
To be replaced with the value of the configuration variable [option user].
[def [const @format@]]
To be replaced with the the constant [const CONTAINER].
[def [const @file@]]
To be replaced with the value of the configuration variable [option file].
[def [const @name@]]
To be replaced with the value of the configuration variable [option name].
[def [const @mode@]]
To be replaced with the value of the configuration variable [option mode].
[def [const @code@]]
To be replaced with the generated code.
[list_end]
[para]
If this configuration variable is not set, or empty, then the plugin
falls back to a standard template, which is defined as "[const @code@]".
[list_end]
[emph Note] that this plugin may ignore the standard configuration
variables [var user], [var format], [var file], and their values,
depending on the chosen template.
[para]
The content of the standard configuration variable [var name], if set,
is used as name of the grammar in the output. Otherwise the plugin
falls back to the default name [const a_pe_grammar].
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