176 lines
4.4 KiB
Factor
176 lines
4.4 KiB
Factor
! Copyright (C) 2007, 2010 Eduardo Cavazos, Slava Pestov.
|
|
! See http://factorcode.org/license.txt for BSD license.
|
|
USING: namespaces make sequences io io.files io.pathnames kernel
|
|
assocs words vocabs definitions parser continuations hashtables
|
|
sorting source-files arrays combinators strings system
|
|
math.parser splitting init accessors sets ;
|
|
IN: vocabs.loader
|
|
|
|
SYMBOL: vocab-roots
|
|
|
|
SYMBOL: add-vocab-root-hook
|
|
|
|
[
|
|
V{
|
|
"resource:core"
|
|
"resource:basis"
|
|
"resource:extra"
|
|
"resource:work"
|
|
} clone vocab-roots set-global
|
|
|
|
[ drop ] add-vocab-root-hook set-global
|
|
] "vocabs.loader" add-startup-hook
|
|
|
|
: add-vocab-root ( root -- )
|
|
trim-tail-separators
|
|
[ vocab-roots get adjoin ]
|
|
[ add-vocab-root-hook get-global call( root -- ) ] bi ;
|
|
|
|
SYMBOL: root-cache
|
|
|
|
root-cache [ H{ } clone ] initialize
|
|
|
|
ERROR: not-found-in-roots path ;
|
|
|
|
<PRIVATE
|
|
|
|
: find-root-for ( path -- path/f )
|
|
vocab-roots get [ prepend-path exists? ] with find nip ;
|
|
|
|
M: string vocab-path ( string -- path/f )
|
|
dup find-root-for [ prepend-path ] [ not-found-in-roots ] if* ;
|
|
|
|
PRIVATE>
|
|
|
|
: vocab-dir ( vocab -- dir )
|
|
vocab-name { { CHAR: . CHAR: / } } substitute ;
|
|
|
|
ERROR: absolute-path-forbidden path ;
|
|
|
|
: forbid-absolute-path ( str -- str )
|
|
dup absolute-path? [ absolute-path-forbidden ] when ;
|
|
|
|
: append-vocab-dir ( vocab str/f -- path )
|
|
[ vocab-name forbid-absolute-path "." split ] dip
|
|
[ [ dup last ] dip append suffix ] when*
|
|
"/" join ;
|
|
|
|
: find-vocab-root ( vocab -- path/f )
|
|
vocab-name dup root-cache get at
|
|
[ ] [ ".factor" append-vocab-dir find-root-for ] ?if ;
|
|
|
|
: vocab-append-path ( vocab path -- newpath )
|
|
swap find-vocab-root dup [ prepend-path ] [ 2drop f ] if ;
|
|
|
|
: vocab-source-path ( vocab -- path/f )
|
|
dup ".factor" append-vocab-dir vocab-append-path ;
|
|
|
|
: vocab-docs-path ( vocab -- path/f )
|
|
dup "-docs.factor" append-vocab-dir vocab-append-path ;
|
|
|
|
SYMBOL: load-help?
|
|
|
|
! Defined by vocabs.metadata
|
|
SYMBOL: check-vocab-hook
|
|
|
|
check-vocab-hook [ [ drop ] ] initialize
|
|
|
|
DEFER: require
|
|
|
|
<PRIVATE
|
|
|
|
SYMBOL: require-when-vocabs
|
|
require-when-vocabs [ HS{ } clone ] initialize
|
|
|
|
SYMBOL: require-when-table
|
|
require-when-table [ V{ } clone ] initialize
|
|
|
|
: load-conditional-requires ( vocab -- )
|
|
vocab-name require-when-vocabs get in? [
|
|
require-when-table get [
|
|
[ [ vocab dup [ source-loaded?>> +done+ = ] when ] all? ] dip
|
|
[ require ] curry when
|
|
] assoc-each
|
|
] when ;
|
|
|
|
: load-source ( vocab -- )
|
|
dup check-vocab-hook get call( vocab -- )
|
|
[
|
|
+parsing+ >>source-loaded?
|
|
dup vocab-source-path [ parse-file ] [ [ ] ] if*
|
|
[ +parsing+ >>source-loaded? ] dip
|
|
[ % ] [ call( -- ) ] if-bootstrapping
|
|
+done+ >>source-loaded?
|
|
load-conditional-requires
|
|
] [ ] [ f >>source-loaded? ] cleanup ;
|
|
|
|
: load-docs ( vocab -- )
|
|
load-help? get [
|
|
[
|
|
+parsing+ >>docs-loaded?
|
|
[ vocab-docs-path [ ?run-file ] when* ] keep
|
|
+done+ >>docs-loaded?
|
|
] [ ] [ f >>docs-loaded? ] cleanup
|
|
] when drop ;
|
|
|
|
PRIVATE>
|
|
|
|
: require ( vocab -- )
|
|
load-vocab drop ;
|
|
|
|
: require-when ( if then -- )
|
|
over [ vocab ] all? [
|
|
require drop
|
|
] [
|
|
[ drop [ require-when-vocabs get adjoin ] each ]
|
|
[ 2array require-when-table get push ] 2bi
|
|
] if ;
|
|
|
|
: reload ( name -- )
|
|
dup vocab
|
|
[ [ load-source ] [ load-docs ] bi ]
|
|
[ require ]
|
|
?if ;
|
|
|
|
: run ( vocab -- )
|
|
dup load-vocab vocab-main [
|
|
execute( -- )
|
|
] [
|
|
"The " write vocab-name write
|
|
" vocabulary does not define an entry point." print
|
|
"To define one, refer to \\ MAIN: help" print
|
|
] ?if ;
|
|
|
|
SYMBOL: blacklist
|
|
|
|
<PRIVATE
|
|
|
|
: add-to-blacklist ( error vocab -- )
|
|
vocab-name blacklist get dup [ set-at ] [ 3drop ] if ;
|
|
|
|
GENERIC: (load-vocab) ( name -- vocab )
|
|
|
|
M: vocab (load-vocab)
|
|
[
|
|
dup source-loaded?>> +parsing+ eq? [
|
|
dup source-loaded?>> [ dup load-source ] unless
|
|
dup docs-loaded?>> [ dup load-docs ] unless
|
|
] unless
|
|
] [ [ swap add-to-blacklist ] keep rethrow ] recover ;
|
|
|
|
M: vocab-link (load-vocab)
|
|
vocab-name (load-vocab) ;
|
|
|
|
M: string (load-vocab) create-vocab (load-vocab) ;
|
|
|
|
PRIVATE>
|
|
|
|
[
|
|
dup vocab-name blacklist get at* [ rethrow ] [
|
|
drop dup find-vocab-root
|
|
[ (load-vocab) ] [ dup vocab [ ] [ no-vocab ] ?if ] if
|
|
] if
|
|
] load-vocab-hook set-global
|
|
|
|
M: vocab-spec where vocab-source-path dup [ 1 2array ] when ;
|