factor/core/source-files/source-files.factor

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Factor
Executable File

! Copyright (C) 2007 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: arrays definitions generic assocs kernel math
namespaces prettyprint sequences strings vectors words
quotations inspector io.styles io combinators sorting
splitting math.parser effects continuations debugger
io.files io.crc32 io.streams.string io.streams.lines vocabs
hashtables graphs ;
IN: source-files
SYMBOL: source-files
TUPLE: source-file
path
modified checksum
uses definitions ;
: (source-modified?) ( path modified checksum -- ? )
pick file-modified rot [ 0 or ] 2apply >
[ swap file-crc32 number= not ] [ 2drop f ] if ;
: source-modified? ( path -- ? )
dup source-files get at [
dup source-file-path ?resource-path
over source-file-modified
rot source-file-checksum
(source-modified?)
] [
?resource-path exists?
] ?if ;
: record-modified ( source-file -- )
dup source-file-path ?resource-path file-modified
swap set-source-file-modified ;
: record-checksum ( contents source-file -- )
>r crc32 r> set-source-file-checksum ;
: (xref-source) ( source-file -- pathname uses )
dup source-file-path <pathname> swap source-file-uses
[ interned? ] subset ;
: xref-source ( source-file -- )
(xref-source) crossref get add-vertex ;
: unxref-source ( source-file -- )
(xref-source) crossref get remove-vertex ;
: xref-sources ( -- )
source-files get [ nip xref-source ] assoc-each ;
: record-form ( quot source-file -- )
dup unxref-source
swap quot-uses keys over set-source-file-uses
xref-source ;
: record-definitions ( file -- )
new-definitions get swap set-source-file-definitions ;
: <source-file> ( path -- source-file )
<definitions>
{ set-source-file-path set-source-file-definitions }
\ source-file construct ;
: source-file ( path -- source-file )
source-files get [ <source-file> ] cache ;
: reset-checksums ( -- )
source-files get [
swap ?resource-path dup exists?
[ file-contents record-checksum ] [ 2drop ] if
] assoc-each ;
M: pathname where pathname-string 1 2array ;
M: pathname forget
pathname-string
dup source-file
dup unxref-source
source-file-definitions [ keys forget-all ] each
source-files get delete-at ;
: forget-source ( path -- )
[ <pathname> forget ] with-compilation-unit ;
: rollback-source-file ( source-file -- )
dup source-file-definitions new-definitions get [ union ] 2map
swap set-source-file-definitions ;
SYMBOL: file
: with-source-file ( name quot -- )
#! Should be called from inside with-compilation-unit.
[
swap source-file
dup file set
source-file-definitions old-definitions set
[ ] [ file get rollback-source-file ] cleanup
] with-scope ; inline