65 lines
1.5 KiB
Forth
65 lines
1.5 KiB
Forth
# Custom Extensions
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This is a system for allowing you to easily add your own
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extensions to RETRO on Unix systems.
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The first extension uses the scripting interface to get source
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data for words, and record this as part of the header.
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~~~
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{{
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'Sources d:create #128 allot
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:known? (s-sf) dup &Sources a:contains/string? ;
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:index (s-s) &Sources swap a:index/string
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&Sources swap a:fetch ;
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:record (s-s) s:keep dup &Sources v:inc
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@Sources &Sources + store ;
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[ script:current-file known? [ index ] [ record ] choose
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[ &d:add-header #2 + call ] dip
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d:last d:source store ] &d:add-header set-hook
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}}
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~~~
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There are two options:
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## Manual Additions
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Add files to include to the code block below. Use a form
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like:
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'filename include
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You can either put the files (or links to them) into this
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directory or use full path names to the files. You can
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also use any Retro code directly.
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~~~
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'dict-words-listing.forth include
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~~~
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## Automatic Extensions
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This does not require manual editing of this file. To use
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this:
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- copy (or symlink) the extensions into the `extensions` subdirectory
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- run `make update-extensions`
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- run `make`
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This will build RETRO, generate a new `load-extensions.retro` and
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then rebuild, including the extensions.
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~~~
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'load-extensions.retro include
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~~~
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## Final Bits
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Save the image with anything loaded here added in. The
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`retro` binary will be rebuilt using the extended image.
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~~~
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'../rre.image image:save
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~~~
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