1 ! Copyright (C) 2007, 2010 Eduardo Cavazos, Slava Pestov.
2 ! See http://factorcode.org/license.txt for BSD license.
3 USING: namespaces make sequences io io.files io.pathnames kernel
4 assocs words vocabs definitions parser continuations hashtables
5 sorting source-files arrays combinators strings system
6 math.parser splitting init accessors sets ;
11 SYMBOL: add-vocab-root-hook
19 } clone vocab-roots set-global
21 [ drop ] add-vocab-root-hook set-global
22 ] "vocabs.loader" add-startup-hook
24 : add-vocab-root ( root -- )
26 [ vocab-roots get adjoin ]
27 [ add-vocab-root-hook get-global call( root -- ) ] bi ;
31 root-cache [ H{ } clone ] initialize
33 ERROR: not-found-in-roots path ;
37 : find-root-for ( path -- path/f )
38 vocab-roots get [ prepend-path exists? ] with find nip ;
40 M: string vocab-path ( string -- path/f )
41 dup find-root-for [ prepend-path ] [ not-found-in-roots ] if* ;
45 : vocab-dir ( vocab -- dir )
46 vocab-name { { CHAR: . CHAR: / } } substitute ;
48 : append-vocab-dir ( vocab str/f -- path )
49 [ vocab-name "." split ] dip
50 [ [ dup last ] dip append suffix ] when*
53 : find-vocab-root ( vocab -- path/f )
54 vocab-name root-cache get
55 [ ".factor" append-vocab-dir find-root-for ] cache ;
57 : vocab-append-path ( vocab path -- newpath )
58 swap find-vocab-root dup [ prepend-path ] [ 2drop f ] if ;
60 : vocab-source-path ( vocab -- path/f )
61 dup ".factor" append-vocab-dir vocab-append-path ;
63 : vocab-docs-path ( vocab -- path/f )
64 dup "-docs.factor" append-vocab-dir vocab-append-path ;
68 ! Defined by vocabs.metadata
69 SYMBOL: check-vocab-hook
71 check-vocab-hook [ [ drop ] ] initialize
75 SYMBOL: require-when-vocabs
76 require-when-vocabs [ HS{ } clone ] initialize
78 SYMBOL: require-when-table
79 require-when-table [ V{ } clone ] initialize
81 : load-conditional-requires ( vocab -- )
82 vocab-name require-when-vocabs get in? [
83 require-when-table get [
84 [ [ lookup-vocab dup [ source-loaded?>> +done+ = ] when ] all? ] dip
85 [ require ] curry when
89 : load-source ( vocab -- )
90 dup check-vocab-hook get call( vocab -- )
92 +parsing+ >>source-loaded?
93 dup vocab-source-path [ parse-file ] [ [ ] ] if*
94 [ +parsing+ >>source-loaded? ] dip
95 [ % ] [ call( -- ) ] if-bootstrapping
96 +done+ >>source-loaded?
97 load-conditional-requires
98 ] [ ] [ f >>source-loaded? ] cleanup ;
100 : load-docs ( vocab -- )
103 +parsing+ >>docs-loaded?
104 [ vocab-docs-path [ ?run-file ] when* ] keep
105 +done+ >>docs-loaded?
106 ] [ ] [ f >>docs-loaded? ] cleanup
111 : require-when ( if then -- )
112 over [ lookup-vocab ] all? [
115 [ drop [ require-when-vocabs get adjoin ] each ]
116 [ 2array require-when-table get push ] 2bi
121 [ [ load-source ] [ load-docs ] bi ]
126 dup load-vocab vocab-main [
129 "The " write vocab-name write
130 " vocabulary does not define an entry point." print
131 "To define one, refer to \\ MAIN: help" print
138 : add-to-blacklist ( error vocab -- )
139 vocab-name blacklist get dup [ set-at ] [ 3drop ] if ;
141 GENERIC: (load-vocab) ( name -- vocab )
143 M: vocab (load-vocab)
145 dup source-loaded?>> +parsing+ eq? [
146 dup source-loaded?>> [ dup load-source ] unless
147 dup docs-loaded?>> [ dup load-docs ] unless
149 ] [ [ swap add-to-blacklist ] keep rethrow ] recover ;
151 M: vocab-link (load-vocab)
152 vocab-name (load-vocab) ;
154 M: string (load-vocab) create-vocab (load-vocab) ;
159 dup vocab-name blacklist get at* [ rethrow ] [
160 drop dup find-vocab-root
161 [ (load-vocab) ] [ dup lookup-vocab [ ] [ no-vocab ] ?if ] if
163 ] require-hook set-global
165 M: vocab-spec where vocab-source-path dup [ 1 2array ] when ;