factor/library/modules.factor

104 lines
2.7 KiB
Factor

! Copyright (C) 2006 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
IN: modules
USING: hashtables io kernel namespaces parser sequences
test words strings arrays math help prettyprint-internals
definitions ;
SYMBOL: modules
TUPLE: module name loc files tests help main ;
: module-def ( name -- path )
"resource:" over ".factor" append3
dup ?resource-path exists? [
nip
] [
drop "resource:" swap "/load.factor" append3
] if ;
M: module <=> [ module-name ] 2apply <=> ;
: module modules get [ module-name = ] find-with nip ;
: load-module ( name -- )
[
"Loading module " write dup write "..." print
[ dup module-def run-file ] assert-depth drop
] no-parse-hook ;
: require ( name -- )
dup module [ drop ] [ load-module ] if do-parse-hook ;
: process-files ( name seq -- newseq )
[ dup string? [ [ t ] 2array ] when ] map
[ second call ] subset
0 <column> >array
[ path+ "resource:" swap append ] map-with ;
: module-files* ( module -- seq )
dup module-name swap module-files process-files ;
: module-tests* ( module -- seq )
dup module-name swap module-tests process-files ;
: remove-module ( name -- )
module [ modules get delete ] when* ;
: alist>module ( name loc hash -- module )
alist>hash [
+files+ get +tests+ get +help+ get
] bind f <module> ;
: module>alist ( module -- hash )
[
+files+ over module-files 2array ,
+tests+ over module-tests 2array ,
+help+ swap module-help 2array ,
] { } make ;
: provide ( name loc hash -- )
pick remove-module
alist>module
[ module-files* run-files ] keep
modules get push ;
: test-module ( name -- ) module module-tests* run-tests ;
: test-modules ( -- )
modules get [ module-tests* ] map concat run-tests ;
: modules. ( -- )
modules get natural-sort
[ [ module-name ] keep write-object terpri ] each ;
: reload-module ( module -- )
dup module-name module-def source-modified? [
module-name load-module
] [
module-files* [ source-modified? ] subset run-files
] if ;
: reload-modules ( -- )
modules get [ reload-module ] each do-parse-hook ;
: run-module ( name -- )
dup require
dup module module-main [
assert-depth
] [
"The module " write write
" does not define an entry point." print
"To define one, see the documentation for the " write
\ MAIN: ($link) " word." print
] ?if ;
: modules-help ( -- seq )
modules get [ module-help ] map [ ] subset ;
M: module synopsis* \ PROVIDE: pprint-word module-name text ;
M: module definition module>alist t ;
M: module where* module-loc ;