--- gforth/libcc.fs 2007/05/28 09:43:34 1.13 +++ gforth/libcc.fs 2007/06/01 18:40:20 1.18 @@ -99,6 +99,12 @@ struct \ counted string: c-name end-struct cff% +variable c-source-file-id \ contains the source file id of the current batch +0 c-source-file-id ! +variable lib-handle-addr \ points to the library handle of the current batch. + \ the library handle is 0 if the current + \ batch is not yet compiled. +2variable lib-filename \ filename without extension : .nb ( n -- ) 0 .r ; @@ -120,9 +126,19 @@ end-struct cff% c c-addr1 c! c-addr1 u1 1 /string ; -\ linked list stuff (should go elsewhere) +: s+ { addr1 u1 addr2 u2 -- addr u } + u1 u2 + allocate throw { addr } + addr1 addr u1 move + addr2 addr u1 + u2 move + addr u1 u2 + +; -hex +: append { addr1 u1 addr2 u2 -- addr u } + addr1 u1 u2 + dup { u } resize throw { addr } + addr2 addr u1 + u2 move + addr u ; + +\ linked list stuff (should go elsewhere) struct cell% field list-next @@ -158,19 +174,23 @@ end-struct c-prefix% variable c-prefix-lines 0 c-prefix-lines ! variable c-prefix-lines-end c-prefix-lines c-prefix-lines-end ! -: save-c-prefix-line ( c-addr u -- ) - align here 0 , c-prefix-lines-end list-append ( c-addr u ) - longstring, ; - -: \c ( "rest-of-line" -- ) - -1 parse save-c-prefix-line ; - : print-c-prefix-line ( node -- ) dup c-prefix-chars swap c-prefix-count @ type cr ; : print-c-prefix-lines ( -- ) c-prefix-lines @ ['] print-c-prefix-line list-map ; +: save-c-prefix-line ( c-addr u -- ) + c-source-file-id @ ?dup-if + >r 2dup r> write-line throw + then + align here 0 , c-prefix-lines-end list-append ( c-addr u ) + longstring, ; + +: \c ( "rest-of-line" -- ) \ gforth backslash-c + \G One line of C declarations for the C interface + -1 parse save-c-prefix-line ; + \c #include "engine/libcc.h" \ Types (for parsing) @@ -346,17 +366,22 @@ create gen-wrapped-types endif .\" }\n" ; -variable c-source-file-id \ contains the source file id of the current batch -0 c-source-file-id ! -variable lib-handle-addr \ points to the library handle of the current batch. - \ the library handle is 0 if the current - \ batch is not yet compiled. +: tempdir ( -- c-addr u ) + s" TMPDIR" getenv dup 0= if + 2drop s" /tmp" + then ; + +: gen-filename ( x -- c-addr u ) + \ generates a filename without extension for lib-handle-addr X + 0 <<# ['] #s $10 base-execute #> + tempdir s" /gforth-c-" s+ 2swap append #>> ; : init-c-source-file ( -- ) c-source-file-id @ 0= if - s" xxx.c" w/o create-file throw dup c-source-file-id ! - ['] print-c-prefix-lines swap outfile-execute - here 0 , lib-handle-addr ! + here 0 , dup lib-handle-addr ! gen-filename 2dup lib-filename 2! + s" .c" s+ 2dup w/o create-file throw dup c-source-file-id ! + ['] print-c-prefix-lines swap outfile-execute + drop free throw endif ; : c-source-file ( -- file-id ) @@ -365,10 +390,17 @@ variable lib-handle-addr \ points to the : compile-wrapper-function ( -- ) c-source-file close-file throw 0 c-source-file-id ! - s" gcc -fPIC -shared -Wl,-soname,xxx.so.1 -Wl,-export_dynamic -o xxx.so.1 -O xxx.c" system - $? abort" compiler generated error" - s" /home/anton/gforth/xxx.so.1" open-lib dup 0= abort" open-lib failed" - ( lib-handle ) lib-handle-addr @ ! ; + s" gcc -I. -fPIC -shared -Wl,-soname," lib-filename 2@ s+ + s" .so.1 -Wl,-export_dynamic -o " append lib-filename 2@ append + s" .so.1 -O " append lib-filename 2@ append s" .c" append ( c-addr u ) + 2dup system drop free throw + $? abort" compiler generated error" \ !! call dlerror + lib-filename 2@ s" .so.1" s+ + 2dup open-lib dup 0= abort" open-lib failed" \ !! call dlerror + ( lib-handle ) lib-handle-addr @ ! + 2dup delete-file throw drop free throw + lib-filename 2@ s" .c" s+ 2dup delete-file throw drop free throw + lib-filename 2@ drop free throw 0 0 lib-filename 2! ; \ s" ar rcs xxx.a xxx.o" system \ $? abort" ar generated error" ; @@ -400,16 +432,8 @@ variable lib-handle-addr \ points to the does> ( ... -- ... ) @ call-c ; -: c-function ( "forth-name" "c-name" "{libcc-type}" "--" "libcc-type" -- ) +: c-function ( "forth-name" "c-name" "@{type@}" "--" "type" -- ) \ gforth + \G Define a Forth word @i{forth-name}. @i{Forth-name} has the + \G specified stack effect and calls the C function @code{c-name}. defer lastxt dup c-function-rt lastxt c-function-ft lastxt swap defer! ; - -s" Library not found" exception constant err-nolib - -: library ( "name" "file" -- ) \ gforth -\G Dynamically links the library specified by @i{file}. Defines a -\G word @i{name} ( -- lib ) that starts the declaration of a -\G function from that library. - create parse-name open-lib dup 0= err-nolib and throw , - does> ( -- lib ) - @ ;