98 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			Factor
		
	
	
			
		
		
	
	
			98 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			Factor
		
	
	
! Copyright (C) 2007, 2008 Slava Pestov.
 | 
						|
! See http://factorcode.org/license.txt for BSD license.
 | 
						|
USING: arrays definitions generic assocs kernel math namespaces
 | 
						|
sequences strings vectors words quotations io io.files
 | 
						|
io.pathnames combinators sorting splitting math.parser effects
 | 
						|
continuations checksums checksums.crc32 vocabs hashtables graphs
 | 
						|
compiler.units io.encodings.utf8 accessors ;
 | 
						|
IN: source-files
 | 
						|
 | 
						|
SYMBOL: source-files
 | 
						|
 | 
						|
TUPLE: source-file
 | 
						|
path
 | 
						|
checksum
 | 
						|
uses definitions ;
 | 
						|
 | 
						|
: record-checksum ( lines source-file -- )
 | 
						|
    [ crc32 checksum-lines ] dip (>>checksum) ;
 | 
						|
 | 
						|
: (xref-source) ( source-file -- pathname uses )
 | 
						|
    [ path>> <pathname> ]
 | 
						|
    [ uses>> [ crossref? ] filter ] bi ;
 | 
						|
 | 
						|
: 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 -- )
 | 
						|
    [ quot-uses keys ] dip
 | 
						|
    [ unxref-source ] [ (>>uses) ] [ xref-source ] tri ;
 | 
						|
 | 
						|
: record-definitions ( file -- )
 | 
						|
    new-definitions get >>definitions drop ;
 | 
						|
 | 
						|
: <source-file> ( path -- source-file )
 | 
						|
    \ source-file new
 | 
						|
        swap >>path
 | 
						|
        <definitions> >>definitions ;
 | 
						|
 | 
						|
ERROR: invalid-source-file-path path ;
 | 
						|
 | 
						|
: source-file ( path -- source-file )
 | 
						|
    dup string? [ invalid-source-file-path ] unless
 | 
						|
    source-files get [ <source-file> ] cache ;
 | 
						|
 | 
						|
: reset-checksums ( -- )
 | 
						|
    source-files get [
 | 
						|
        swap dup exists? [
 | 
						|
            utf8 file-lines swap record-checksum
 | 
						|
        ] [ 2drop ] if
 | 
						|
    ] assoc-each ;
 | 
						|
 | 
						|
M: pathname where string>> 1 2array ;
 | 
						|
 | 
						|
: forget-source ( path -- )
 | 
						|
    [
 | 
						|
        source-file
 | 
						|
        [ unxref-source ]
 | 
						|
        [ definitions>> [ keys forget-all ] each ]
 | 
						|
        bi
 | 
						|
    ]
 | 
						|
    [ source-files get delete-at ]
 | 
						|
    bi ;
 | 
						|
 | 
						|
M: pathname forget*
 | 
						|
    string>> forget-source ;
 | 
						|
 | 
						|
: rollback-source-file ( file -- )
 | 
						|
    [
 | 
						|
        new-definitions get [ assoc-union ] 2map
 | 
						|
    ] change-definitions drop ;
 | 
						|
 | 
						|
SYMBOL: file
 | 
						|
 | 
						|
TUPLE: source-file-error error file ;
 | 
						|
 | 
						|
: <source-file-error> ( msg -- error )
 | 
						|
    \ source-file-error new
 | 
						|
        file get >>file
 | 
						|
        swap >>error ;
 | 
						|
 | 
						|
: with-source-file ( name quot -- )
 | 
						|
    #! Should be called from inside with-compilation-unit.
 | 
						|
    [
 | 
						|
        swap source-file
 | 
						|
        dup file set
 | 
						|
        definitions>> old-definitions set
 | 
						|
        [
 | 
						|
            file get rollback-source-file
 | 
						|
            <source-file-error> rethrow
 | 
						|
        ] recover
 | 
						|
    ] with-scope ; inline
 |