127 lines
3.1 KiB
Factor
Executable File
127 lines
3.1 KiB
Factor
Executable File
! Copyright (C) 2007, 2008 Eduardo Cavazos, Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: namespaces sequences io.files kernel assocs words vocabs
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definitions parser continuations inspector debugger io io.styles
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hashtables sorting prettyprint source-files
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arrays combinators strings system math.parser compiler.errors
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splitting init ;
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IN: vocabs.loader
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SYMBOL: vocab-roots
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V{
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"resource:core"
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"resource:extra"
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"resource:work"
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} clone vocab-roots set-global
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: vocab-dir ( vocab -- dir )
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vocab-name { { CHAR: . CHAR: / } } substitute ;
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: vocab-dir+ ( vocab str/f -- path )
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>r vocab-name "." split r>
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[ >r dup peek r> append add ] when*
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"/" join ;
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: vocab-dir? ( root name -- ? )
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over [
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".factor" vocab-dir+ append-path resource-exists?
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] [
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2drop f
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] if ;
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SYMBOL: root-cache
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H{ } clone root-cache set-global
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: find-vocab-root ( vocab -- path/f )
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vocab-name root-cache get [
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vocab-roots get swap [ vocab-dir? ] curry find nip
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] cache ;
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: vocab-append-path ( vocab path -- newpath )
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swap find-vocab-root dup [ prepend-path ] [ 2drop f ] if ;
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: vocab-source-path ( vocab -- path/f )
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dup ".factor" vocab-dir+ vocab-append-path ;
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: vocab-docs-path ( vocab -- path/f )
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dup "-docs.factor" vocab-dir+ vocab-append-path ;
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SYMBOL: load-help?
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: source-was-loaded t swap set-vocab-source-loaded? ;
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: source-wasn't-loaded f swap set-vocab-source-loaded? ;
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: load-source ( vocab -- )
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[ source-wasn't-loaded ] keep
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[ vocab-source-path [ bootstrap-file ] when* ] keep
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source-was-loaded ;
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: docs-were-loaded t swap set-vocab-docs-loaded? ;
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: docs-weren't-loaded f swap set-vocab-docs-loaded? ;
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: load-docs ( vocab -- )
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load-help? get [
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[ docs-weren't-loaded ] keep
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[ vocab-docs-path [ ?run-file ] when* ] keep
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docs-were-loaded
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] [ drop ] if ;
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: reload ( name -- )
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[
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dup vocab [ dup load-source load-docs ] [ no-vocab ] ?if
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] with-compiler-errors ;
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: require ( vocab -- )
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load-vocab drop ;
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: run ( vocab -- )
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dup load-vocab vocab-main [
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execute
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] [
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"The " write vocab-name write
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" vocabulary does not define an entry point." print
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"To define one, refer to \\ MAIN: help" print
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] ?if ;
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SYMBOL: blacklist
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: add-to-blacklist ( error vocab -- )
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vocab-name blacklist get dup [ set-at ] [ 3drop ] if ;
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GENERIC: (load-vocab) ( name -- )
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M: vocab (load-vocab)
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[
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dup vocab-source-loaded? [ dup load-source ] unless
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dup vocab-docs-loaded? [ dup load-docs ] unless
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drop
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] [ [ swap add-to-blacklist ] keep rethrow ] recover ;
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M: vocab-link (load-vocab)
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vocab-name create-vocab (load-vocab) ;
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M: string (load-vocab)
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create-vocab (load-vocab) ;
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[
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[
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dup vocab-name blacklist get at* [
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rethrow
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] [
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drop
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[ (load-vocab) ] with-compiler-errors
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] if
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] with-compiler-errors
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] load-vocab-hook set-global
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: vocab-where ( vocab -- loc )
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vocab-source-path dup [ 1 2array ] when ;
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M: vocab where vocab-where ;
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M: vocab-link where vocab-where ;
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