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Update %cg directives documentation

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Edwin Brady 2019-08-01 11:22:16 +01:00
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Notes/Directives.md
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@ -109,8 +109,8 @@ Syntax:
* `%cg <backend> <single-line instruction>`
* `%cg <backend> { <multi-line instructions> }`
Injects the given instructions directly into the generated code for
the given backend.
The given instructions are passed directly to the code generator, to be
interpreted in a backend-specific way.
Currently known backends are: `chez`, `chicken` and `racket`.
@ -139,3 +139,9 @@ corresponding file-loading code:
Note the file is loaded referencing an absolute path of the first
matching file found, except when it's the current directory in which
case the file is simply referenced as `./library_name`
### Chicken
The directive should be scheme code which is inserted directly into the generated
code. This can be used, for example, to import external libraries, e.g.
`%cg chicken (use posix)`.