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\ Hypervisor Software File: xref.fth
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id: @(#)xref.fth 1.2 03/12/08 13:22:28
copyright: Copyright 2001-2003 Sun Microsystems, Inc. All Rights Reserved
copyright: Use is subject to license terms.
\ XREF enables the whole thing.
\ We can't use the d# operators because they don't always exist
defer xref-prev-include-hook ' noop is xref-prev-include-hook
defer xref-prev-include-exit-hook ' noop is xref-prev-include-exit-hook
: xref-push-file ( str,len -- str,len )
xref-prev-include-exit-hook
: (xref-notify) ( str,len ref? -- str,len ) 49 45 fsyscall ;
: xref-state ( n -- ) 51 45 fsyscall ;
\ If source-id has been set to 0 or -1
\ (as by evaluate or in user-interpretation state)
\ an attempt to get a line # will crash.
: xref-line#? ( -- n true | false )
source-id dup 0= over -1 = or if
: (xref-definition) ( str,len -- str,len ) xref-line#? if 1 (xref-notify) then ;
: (xref-reference) ( str,len -- str,len ) xref-line#? if 0 (xref-notify) then ;
: (xref-hide) ( str,len -- str,len ) 2 (xref-notify) ;
: (xref-reveal) ( str,len -- str,len ) 3 (xref-notify) ;
: (xref-string) ( str,len -- str,len ) xref-line#? if 4 (xref-notify) then ;
: xref-init ( -- ok? ) -1 xref-state ;
\ Defined in the host; needed in meta-compilation-target
\ so "IS" won't get confused
defer include-hook ' noop is include-hook
defer include-exit-hook ' noop is include-exit-hook
['] include-hook behavior is xref-prev-include-hook
['] include-exit-hook behavior is xref-prev-include-exit-hook
['] xref-push-file is include-hook
['] xref-pop-file is include-exit-hook
['] (xref-definition) is xref-header-hook
['] (xref-reference) is xref-find-hook
['] (xref-hide) is xref-hide-hook
['] (xref-reveal) is xref-reveal-hook
['] (xref-string) is xref-string-hook
['] xref-prev-include-hook behavior is include-hook
['] xref-prev-include-exit-hook behavior is include-exit-hook
dup is xref-header-hook ( acf )
dup is xref-find-hook ( acf )
dup is xref-hide-hook ( acf )
dup is xref-reveal-hook ( acf )
dup is xref-string-hook ( acf )
projects / OpenSPARC-T2-SAM / blob