79 lines
2.0 KiB
Factor
79 lines
2.0 KiB
Factor
! Copyright (C) 2007, 2009 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 io.files
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io.pathnames combinators sorting splitting math.parser effects
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continuations checksums checksums.crc32 vocabs hashtables
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compiler.units io.encodings.utf8 accessors source-files.errors ;
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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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top-level-form
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checksum
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definitions ;
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: record-top-level-form ( quot file -- )
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top-level-form<<
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[ ] [ H{ } notify-definition-observers ] if-bootstrapping ;
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: record-checksum ( lines source-file -- )
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[ crc32 checksum-lines ] dip checksum<< ;
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: record-definitions ( file -- )
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new-definitions get >>definitions drop ;
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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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ERROR: invalid-source-file-path path ;
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: source-file ( path -- source-file )
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dup string? [ invalid-source-file-path ] 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 string>> 1 2array ;
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: forget-source ( path -- )
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source-files get delete-at*
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[ definitions>> [ keys forget-all ] each ] [ drop ] if ;
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M: pathname forget*
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string>> forget-source ;
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: rollback-source-file ( file -- )
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[
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new-definitions get [ assoc-union ] 2map
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] change-definitions drop ;
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SYMBOL: file
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: wrap-source-file-error ( error -- * )
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file get rollback-source-file
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\ source-file-error new
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f >>line#
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file get path>> >>file
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swap >>error rethrow ;
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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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[
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source-file
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[ file set ]
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[ definitions>> old-definitions set ] bi
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] dip
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[ wrap-source-file-error ] recover
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] with-scope ; inline
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