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Syntax: bf(%include) tt(pathname)
This directive is used to switch to tt(pathname) while processing a grammar
specification. Unless tt(pathname) defines an absolute file-path, tt(pathname)
is searched relative to the location of bic()'s main grammar specification
file (i.e., the grammar file that was specified as bic()'s command-line
option). This directive can be used to split long grammar specification files
in shorter, meaningful units. After processing tt(pathname) processing
continues beyond the tt(%include pathname) directive.
Bic()'s main grammar specification file could simply be:
verb(
%include spec/declarations
%%
%include spec/rules
)
where tt(spec/declarations) contains declarations and tt(spec/rules)
contains the rules. Each of the files included using tt(%include) may itself
use tt(%include) directives (which are then processed relative to their
locations). The default nesting limit for tt(%include) directives is 10, but
the option link(--max-inclusion-depth)(MAXDEPTH) can be used to change this
default.
tt(%include) directives should be specified on their own lines, not containing
any other information.
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