version 1.1, 1995/11/07 18:08:47
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version 1.15, 2004/05/14 17:09:22
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\ source location handling |
\ source location handling |
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\ Copyright (C) 1995 Free Software Foundation, Inc. |
\ Copyright (C) 1995,1997,2003 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
\ This file is part of Gforth. |
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\ You should have received a copy of the GNU General Public License |
\ You should have received a copy of the GNU General Public License |
\ along with this program; if not, write to the Free Software |
\ along with this program; if not, write to the Free Software |
\ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
\ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
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\ related stuff can be found in kernel.fs |
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\ related stuff can be found in kernal.fs |
\ this stuff is used by (at least) assert.fs and debugs.fs |
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\ this stuff is used by (at least) assert.fs and debugging.fs |
: loadfilename#>str ( n -- addr u ) |
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included-files 2@ rot min 2* cells + 2@ ; |
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require struct.fs |
: str>loadfilename# ( addr u -- n ) |
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included-files 2@ 0 ?do ( addr u included-files ) |
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i over >r 2* cells + 2@ |
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2over str= if |
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rdrop 2drop i unloop exit |
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endif |
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r> loop |
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drop 2drop 0 ; |
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: current-sourcepos ( -- ) |
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sourcefilename str>loadfilename# sourceline# ; |
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: compile-sourcepos ( compile-time: -- ; run-time: -- nfile nline ) |
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\ compile the current source position as literals: nfile is the |
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\ source file index, nline the line number within the file. |
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current-sourcepos swap postpone literal postpone literal ; |
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: .sourcepos ( nfile nline -- ) |
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\ print source position |
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swap loadfilename#>str type ." :" |
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base @ decimal swap 0 .r base ! ; |
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struct |
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1 cells: field sourcepos-name# |
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1 cells: field sourcepos-line# |
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end-struct sourcepos |
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: sourcepos, ( -- ) |
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\ record the current source position HERE |
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loadfilename# @ , loadline @ , ; |
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: get-sourcepos ( a-addr -- c-addr u n ) |
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\ c-addr u is the filename, n is the line number |
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included-files 2@ drop over sourcepos-name# @ 2* cells + 2@ |
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rot sourcepos-line# @ ; |
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: print-sourcepos ( a-addr -- ) |
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get-sourcepos |
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>r type ." :" r> 0 .r ; |
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