1 ! Copyright (C) 2007, 2010 Eduardo Cavazos, Slava Pestov.
2 ! See http://factorcode.org/license.txt for BSD license.
3 USING: accessors arrays assocs continuations definitions init
4 io io.files io.pathnames kernel make namespaces parser
5 sequences sets splitting strings vocabs words ;
10 SYMBOL: add-vocab-root-hook
12 CONSTANT: default-vocab-roots {
20 default-vocab-roots V{ } like vocab-roots set-global
22 [ drop ] add-vocab-root-hook set-global
23 ] "vocabs.loader" add-startup-hook
25 : add-vocab-root ( root -- )
26 trim-tail-separators dup vocab-roots get ?adjoin
27 [ add-vocab-root-hook get-global call( root -- ) ] [ drop ] if ;
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 ;
40 dup find-root-for [ prepend-path ] [ not-found-in-roots ] if* ;
44 : vocab-dir ( vocab -- dir )
45 vocab-name H{ { CHAR: . CHAR: / } } substitute ;
47 : append-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 root-cache get [
54 dup ".private" tail? [ drop f ] [
55 ".factor" append-vocab-dir find-root-for
59 : vocab-exists? ( name -- ? )
60 dup lookup-vocab [ ] [ find-vocab-root ] ?if ;
62 : vocab-append-path ( vocab path -- newpath )
63 swap find-vocab-root [ prepend-path ] [ drop f ] if* ;
65 : vocab-source-path ( vocab -- path/f )
66 dup ".factor" append-vocab-dir vocab-append-path ;
68 : vocab-docs-path ( vocab -- path/f )
69 dup "-docs.factor" append-vocab-dir vocab-append-path ;
73 ! Defined by vocabs.metadata
74 SYMBOL: check-vocab-hook
75 check-vocab-hook [ [ drop ] ] initialize
79 SYMBOL: require-when-vocabs
80 require-when-vocabs [ HS{ } clone ] initialize
82 SYMBOL: require-when-table
83 require-when-table [ V{ } clone ] initialize
85 : load-conditional-requires ( vocab -- )
86 vocab-name require-when-vocabs get in? [
87 require-when-table get [
88 [ [ lookup-vocab dup [ source-loaded?>> +done+ = ] when ] all? ] dip
89 [ require ] curry when
93 : load-source ( vocab -- )
94 dup check-vocab-hook get call( vocab -- )
96 +parsing+ >>source-loaded?
97 dup vocab-source-path [ parse-file ] [ [ ] ] if*
98 [ +parsing+ >>source-loaded? ] dip
99 [ % ] [ call( -- ) ] if-bootstrapping
100 +done+ >>source-loaded?
101 load-conditional-requires
102 ] [ ] [ f >>source-loaded? ] cleanup ;
104 : load-docs ( vocab -- )
107 +parsing+ >>docs-loaded?
108 dup vocab-docs-path [ ?run-file ] when*
109 +done+ >>docs-loaded?
110 ] [ ] [ f >>docs-loaded? ] cleanup
115 : require-when ( if then -- )
116 over [ lookup-vocab ] all? [
119 [ drop require-when-vocabs get adjoin-all ]
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
140 : require-all ( vocabs -- )
141 V{ } clone blacklist [ [ require ] each ] with-variable ;
145 : add-to-blacklist ( error vocab -- )
146 vocab-name blacklist get [ set-at ] [ 2drop ] if* ;
148 GENERIC: (require) ( name -- )
152 dup source-loaded?>> +parsing+ eq? [ drop ] [
153 dup source-loaded?>> [ dup load-source ] unless
154 dup docs-loaded?>> [ dup load-docs ] unless
157 ] [ [ swap add-to-blacklist ] keep rethrow ] recover ;
159 M: vocab-link (require)
160 vocab-name (require) ;
163 dup check-vocab-hook get call( vocab -- )
164 create-vocab (require) ;
169 dup vocab-name blacklist get at*
172 drop dup find-vocab-root
174 [ dup lookup-vocab [ drop ] [ no-vocab ] if ]
177 ] require-hook set-global
179 M: vocab-spec where vocab-source-path dup [ 1 2array ] when ;
181 ! put here to avoid circularity between vocabs.loader and source-files.errors
182 { "source-files.errors" "debugger" } "source-files.errors.debugger" require-when