version 1.32, 2008/04/25 22:17:17
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version 1.50, 2008/07/15 16:11:49
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\ libcc.fs foreign function interface implemented using a C compiler |
\ libcc.fs foreign function interface implemented using a C compiler |
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\ Copyright (C) 2006,2007 Free Software Foundation, Inc. |
\ Copyright (C) 2006,2007,2008 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
\ This file is part of Gforth. |
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Line 136
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Line 136
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require struct.fs |
require struct.fs |
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\ counted-string |
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\ c-function-ft word body: |
\ c-function-ft word body: |
struct |
struct |
cell% field cff-cfr \ xt of c-function-rt word |
cell% field cff-cfr \ xt of c-function-rt word |
Line 155 variable c-source-file-id \ contains the
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Line 153 variable c-source-file-id \ contains the
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variable lib-handle-addr \ points to the library handle of the current batch. |
variable lib-handle-addr \ points to the library handle of the current batch. |
\ the library handle is 0 if the current |
\ the library handle is 0 if the current |
\ batch is not yet compiled. |
\ batch is not yet compiled. |
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here 0 , lib-handle-addr ! \ just make sure LIB-HANDLE always works |
2variable lib-filename \ filename without extension |
2variable lib-filename \ filename without extension |
2variable lib-modulename \ basename of the file without extension |
2variable lib-modulename \ basename of the file without extension |
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2variable libcc-named-dir-v \ directory for named libcc wrapper libraries |
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0 value libcc-path \ pointer to path of library directories |
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defer replace-rpath ( c-addr1 u1 -- c-addr2 u2 ) |
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' noop is replace-rpath |
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: .nb ( n -- ) |
: .nb ( n -- ) |
0 .r ; |
0 .r ; |
Line 214 end-struct list%
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Line 218 end-struct list%
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node list-next @ |
node list-next @ |
repeat ; |
repeat ; |
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\ linked libraries |
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list% |
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cell% 2* field c-lib-string |
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end-struct c-lib% |
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variable c-libs \ linked list of library names (without "lib") |
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: add-lib ( c-addr u -- ) |
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\G Add library lib@i{string} to the list of libraries, where |
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\G @i{string} is represented by @i{c-addr u}. |
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c-lib% %size allocate throw dup >r |
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c-lib-string 2! |
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r> c-libs list-insert ; |
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: append-l ( c-addr1 u1 node -- c-addr2 u2 ) |
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\ append " -l<nodelib>" to string1 |
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>r s" -l" append r> c-lib-string 2@ append ; |
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\ C prefix lines |
\ C prefix lines |
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\ linked list of longcstrings: [ link | count-cell | characters ] |
\ linked list of longcstrings: [ link | count-cell | characters ] |
Line 419 create gen-wrapped-types
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Line 442 create gen-wrapped-types
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endif |
endif |
.\" }\n" ; |
.\" }\n" ; |
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: tempdir ( -- c-addr u ) |
: scan-back { c-addr u1 c -- c-addr u2 } |
s" TMPDIR" getenv dup 0= if |
\ the last occurence of c in c-addr u1 is at u2-1; if it does not |
2drop s" /tmp" |
\ occur, u2=0. |
then ; |
c-addr 1- c-addr u1 + 1- u-do |
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i c@ c = if |
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c-addr i over - 1+ unloop exit endif |
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1 -loop |
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c-addr 0 ; |
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: dirname ( c-addr1 u1 -- c-addr2 u2 ) |
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\ directory name of the file name c-addr1 u1, including the final "/". |
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'/ scan-back ; |
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: basename ( c-addr1 u1 -- c-addr2 u2 ) |
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\ file name without directory component |
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2dup dirname nip /string ; |
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: gen-filename ( x -- c-addr u ) |
: gen-filename ( x -- c-addr u ) |
\ generates a filename without extension for lib-handle-addr X |
\ generates a file basename for lib-handle-addr X |
0 <<# ['] #s $10 base-execute #> |
0 <<# ['] #s $10 base-execute #> |
tempdir s" /gforth_c_" s+ 2swap append #>> ; |
s" gforth_c_" 2swap s+ #>> ; |
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: libcc-named-dir ( -- c-addr u ) |
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libcc-named-dir-v 2@ ; |
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: libcc-tmp-dir ( -- c-addr u ) |
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s" ~/.gforth/libcc-tmp/" ; |
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: prepend-dirname ( c-addr1 u1 c-addr2 u2 -- c-addr3 u3 ) |
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2over s+ 2swap drop free throw ; |
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: open-wrappers ( -- addr|0 ) |
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lib-filename 2@ s" .la" s+ |
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2dup libcc-named-dir string-prefix? if ( c-addr u ) |
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\ see if we can open it in the path |
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libcc-named-dir nip /string |
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libcc-path open-path-file if |
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0 exit endif |
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( wfile-id c-addr2 u2 ) rot close-file throw save-mem ( c-addr2 u2 ) |
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endif |
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\ 2dup cr type |
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2dup open-lib >r |
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drop free throw r> ; |
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: c-library-name-setup ( c-addr u -- ) |
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assert( c-source-file-id @ 0= ) |
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{ d: filename } |
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here 0 , lib-handle-addr ! filename lib-filename 2! |
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filename basename lib-modulename 2! ; |
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: c-library-name-create ( -- ) |
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lib-filename 2@ s" .c" s+ 2dup w/o create-file throw |
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dup c-source-file-id ! |
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['] print-c-prefix-lines swap outfile-execute |
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drop free throw ; |
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: c-named-library-name ( c-addr u -- ) |
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\ set up filenames for a (possibly new) library; c-addr u is the |
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\ basename of the library |
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libcc-named-dir prepend-dirname c-library-name-setup |
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open-wrappers dup if |
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lib-handle-addr @ ! |
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else |
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drop c-library-name-create |
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endif ; |
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: c-tmp-library-name ( c-addr u -- ) |
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\ set up filenames for a new library; c-addr u is the basename of |
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\ the library |
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libcc-tmp-dir prepend-dirname c-library-name-setup c-library-name-create ; |
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: lib-handle ( -- addr ) |
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lib-handle-addr @ @ ; |
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: init-c-source-file ( -- ) |
: init-c-source-file ( -- ) |
c-source-file-id @ 0= if |
lib-handle 0= if |
here 0 , dup lib-handle-addr ! gen-filename 2dup lib-filename 2! |
c-source-file-id @ 0= if |
2dup tempdir nip 1+ /string lib-modulename 2! |
here gen-filename c-tmp-library-name |
s" .c" s+ 2dup w/o create-file throw dup c-source-file-id ! |
endif |
['] print-c-prefix-lines swap outfile-execute |
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drop free throw |
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endif ; |
endif ; |
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: c-source-file ( -- file-id ) |
: c-source-file ( -- file-id ) |
c-source-file-id @ assert( dup ) ; |
c-source-file-id @ assert( dup ) ; |
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: notype-execute ( ... xt -- ... ) |
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what's type { oldtype } try |
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['] 2drop is type execute 0 |
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restore |
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oldtype is type |
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endtry |
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throw ; |
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: c-source-file-execute ( ... xt -- ... ) |
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\ direct the output of xt to c-source-file, or nothing |
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lib-handle if |
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notype-execute |
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else |
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c-source-file outfile-execute |
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endif ; |
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: .lib-error ( -- ) |
: .lib-error ( -- ) |
[ifdef] lib-error |
[ifdef] lib-error |
['] cr stderr outfile-execute |
['] cr stderr outfile-execute |
lib-error ['] type stderr outfile-execute |
lib-error ['] type stderr outfile-execute |
[then] ; |
[then] ; |
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DEFER compile-wrapper-function |
DEFER compile-wrapper-function ( -- ) |
:NONAME ( -- ) |
: compile-wrapper-function1 ( -- ) |
c-source-file close-file throw |
lib-handle 0= if |
0 c-source-file-id ! |
c-source-file close-file throw |
[ libtool-command s" --silent --mode=compile gcc -I " s+ |
0 c-source-file-id ! |
s" includedir" getenv append ] sliteral |
[ libtool-command s" --silent --mode=compile --tag=CC " s+ |
s" -O -c " s+ lib-filename 2@ append s" .c -o " append |
libtool-cc append s" -I " append |
lib-filename 2@ append s" .lo" append ( c-addr u ) |
s" includedir" getenv append ] sliteral |
\ cr 2dup type |
s" -O -c " s+ lib-filename 2@ append s" .c -o " append |
2dup system drop free throw $? abort" libtool compile failed" |
lib-filename 2@ append s" .lo" append ( c-addr u ) |
[ libtool-command s" --silent --mode=link gcc -module -rpath " s+ ] sliteral |
\ cr 2dup type |
tempdir s+ s" " append |
2dup system drop free throw $? abort" libtool compile failed" |
lib-filename 2@ append s" .lo -o " append |
[ libtool-command s" --silent --mode=link --tag=CC " s+ |
lib-filename 2@ append s" .la" append ( c-addr u ) |
libtool-cc append s" -module -rpath " s+ ] sliteral |
2dup system drop free throw $? abort" libtool link failed" |
lib-filename 2@ dirname replace-rpath s+ s" " append |
lib-filename 2@ s" .la" s+ |
lib-filename 2@ append s" .lo -o " append |
\ 2dup type cr |
lib-filename 2@ append s" .la" append ( c-addr u ) |
2dup open-lib dup 0= if |
c-libs @ ['] append-l list-map |
.lib-error true abort" open-lib failed" |
\ 2dup type cr |
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2dup system drop free throw $? abort" libtool link failed" |
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open-wrappers dup 0= if |
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.lib-error true abort" open-lib failed" |
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endif |
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( lib-handle ) lib-handle-addr @ ! |
endif |
endif |
( lib-handle ) lib-handle-addr @ ! |
lib-filename 2@ drop free throw 0 0 lib-filename 2! ; |
2dup delete-file throw drop free throw |
' compile-wrapper-function1 IS compile-wrapper-function |
lib-filename 2@ s" .c" s+ 2dup delete-file throw drop free throw |
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lib-filename 2@ drop free throw 0 0 lib-filename 2! ; IS compile-wrapper-function |
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\ s" ar rcs xxx.a xxx.o" system |
\ s" ar rcs xxx.a xxx.o" system |
\ $? abort" ar generated error" ; |
\ $? abort" ar generated error" ; |
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Line 487 DEFER compile-wrapper-function
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Line 591 DEFER compile-wrapper-function
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noname create 2, lib-handle-addr @ , |
noname create 2, lib-handle-addr @ , |
parse-name { d: c-name } |
parse-name { d: c-name } |
here parse-function-types c-name string, |
here parse-function-types c-name string, |
['] gen-wrapper-function c-source-file outfile-execute |
['] gen-wrapper-function c-source-file-execute |
does> ( ... -- ... ) |
does> ( ... -- ... ) |
dup 2@ { xt-defer xt-cfr } |
dup 2@ { xt-defer xt-cfr } |
dup cff-lha @ @ 0= if |
dup cff-lha @ @ 0= if |
Line 509 DEFER compile-wrapper-function
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Line 613 DEFER compile-wrapper-function
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\G specified stack effect and calls the C function @code{c-name}. |
\G specified stack effect and calls the C function @code{c-name}. |
defer lastxt dup c-function-rt lastxt c-function-ft |
defer lastxt dup c-function-rt lastxt c-function-ft |
lastxt swap defer! ; |
lastxt swap defer! ; |
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: clear-libs ( -- ) |
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\G Clear the list of libs |
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c-source-file-id @ if |
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compile-wrapper-function |
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endif |
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0 c-libs ! ; |
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clear-libs |
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: c-library-incomplete ( -- ) |
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true abort" Called function of unfinished named C library" ; |
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: c-library-name ( c-addr u -- ) \ gforth |
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\G Start a C library interface with name @i{c-addr u}. |
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clear-libs |
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['] c-library-incomplete is compile-wrapper-function |
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c-named-library-name ; |
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: c-library ( "name" -- ) \ gforth |
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\G Parsing version of @code{c-library-name} |
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parse-name save-mem c-library-name ; |
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: end-c-library ( -- ) \ gforth |
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\G Finish and (if necessary) build the latest C library interface. |
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['] compile-wrapper-function1 is compile-wrapper-function |
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compile-wrapper-function1 ; |
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: init-libcc ( -- ) |
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s" ~/.gforth/libcc-named/" libcc-named-dir-v 2! |
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[IFDEF] make-path |
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make-path to libcc-path |
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libcc-named-dir libcc-path also-path |
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[ s" libccdir" getenv ] sliteral libcc-path also-path |
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[THEN] |
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; |
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init-libcc |
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:noname ( -- ) |
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defers 'cold |
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init-libcc ; |
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is 'cold |