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 -- )
25 [ vocab-roots get adjoin ]
26 [ add-vocab-root-hook get-global call( root -- ) ] bi ;
30 root-cache [ H{ } clone ] initialize
32 ERROR: not-found-in-roots path ;
36 : find-root-for ( path -- path/f )
37 vocab-roots get [ prepend-path exists? ] with find nip ;
39 M: string vocab-path ( string -- path/f )
40 dup find-root-for [ prepend-path ] [ not-found-in-roots ] if* ;
44 : vocab-dir ( vocab -- dir )
45 vocab-name { { CHAR: . CHAR: / } } substitute ;
47 : vocab-dir+ ( vocab str/f -- path )
48 [ vocab-name "." split ] dip
49 [ [ dup last ] dip append suffix ] when*
52 : find-vocab-root ( vocab -- path/f )
53 vocab-name dup root-cache get at
54 [ ] [ ".factor" vocab-dir+ find-root-for ] ?if ;
56 : vocab-append-path ( vocab path -- newpath )
57 swap find-vocab-root dup [ prepend-path ] [ 2drop f ] if ;
59 : vocab-source-path ( vocab -- path/f )
60 dup ".factor" vocab-dir+ vocab-append-path ;
62 : vocab-docs-path ( vocab -- path/f )
63 dup "-docs.factor" vocab-dir+ vocab-append-path ;
67 ! Defined by vocabs.metadata
68 SYMBOL: check-vocab-hook
70 check-vocab-hook [ [ drop ] ] initialize
76 SYMBOL: require-when-vocabs
77 require-when-vocabs [ HS{ } clone ] initialize
79 SYMBOL: require-when-table
80 require-when-table [ V{ } clone ] initialize
82 : load-conditional-requires ( vocab -- )
83 vocab-name require-when-vocabs get in? [
84 require-when-table get [
85 [ [ vocab dup [ source-loaded?>> +done+ = ] when ] all? ] dip
86 [ require ] curry when
90 : load-source ( vocab -- )
91 dup check-vocab-hook get call( vocab -- )
93 +parsing+ >>source-loaded?
94 dup vocab-source-path [ parse-file ] [ [ ] ] if*
95 [ +parsing+ >>source-loaded? ] dip
96 [ % ] [ call( -- ) ] if-bootstrapping
97 +done+ >>source-loaded?
98 load-conditional-requires
99 ] [ ] [ f >>source-loaded? ] cleanup ;
101 : load-docs ( vocab -- )
104 +parsing+ >>docs-loaded?
105 [ vocab-docs-path [ ?run-file ] when* ] keep
106 +done+ >>docs-loaded?
107 ] [ ] [ f >>docs-loaded? ] cleanup
112 : require ( vocab -- )
115 : require-when ( if then -- )
116 over [ vocab ] all? [
119 [ drop [ require-when-vocabs get adjoin ] each ]
120 [ 2array require-when-table get push ] 2bi
125 [ [ load-source ] [ load-docs ] bi ]
130 dup load-vocab vocab-main [
133 "The " write vocab-name write
134 " vocabulary does not define an entry point." print
135 "To define one, refer to \\ MAIN: help" print
142 : add-to-blacklist ( error vocab -- )
143 vocab-name blacklist get dup [ set-at ] [ 3drop ] if ;
145 GENERIC: (load-vocab) ( name -- vocab )
147 M: vocab (load-vocab)
149 dup source-loaded?>> +parsing+ eq? [
150 dup source-loaded?>> [ dup load-source ] unless
151 dup docs-loaded?>> [ dup load-docs ] unless
153 ] [ [ swap add-to-blacklist ] keep rethrow ] recover ;
155 M: vocab-link (load-vocab)
156 vocab-name (load-vocab) ;
158 M: string (load-vocab) create-vocab (load-vocab) ;
163 dup vocab-name blacklist get at* [ rethrow ] [
164 drop dup find-vocab-root
165 [ (load-vocab) ] [ dup vocab [ ] [ no-vocab ] ?if ] if
167 ] load-vocab-hook set-global
169 M: vocab-spec where vocab-source-path dup [ 1 2array ] when ;