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