| |
|
| \ What this implementation does is this: if it sees a declaration like |
\ What this implementation does is this: if it sees a declaration like |
| |
|
| \ \ something that tells it to include <unistd.h> |
|
| \ \ something that tells it that the current library is libc |
\ \ something that tells it that the current library is libc |
| |
\ \c #include <unistd.h> |
| \ c-function dlseek lseek n d n -- d |
\ c-function dlseek lseek n d n -- d |
| |
|
| \ it genererates C code similar to the following: |
\ it genererates C code similar to the following: |
| : const+ ( n1 "name" -- n2 ) |
: const+ ( n1 "name" -- n2 ) |
| dup constant 1+ ; |
dup constant 1+ ; |
| |
|
| \ dlerror |
\ linked list stuff (should go elsewhere) |
| |
|
| |
hex |
| |
|
| |
require struct.fs |
| |
|
| |
struct |
| |
cell% field list-next |
| |
1 0 field list-payload |
| |
end-struct list% |
| |
|
| |
: list-insert { node list -- } |
| |
list list-next @ node list-next ! |
| |
node list list-next ! ; |
| |
|
| |
: list-append { node endlistp -- } |
| |
\ insert node at place pointed to by endlistp |
| |
node endlistp @ list-insert |
| |
node list-next endlistp ! ; |
| |
|
| |
: list-map ( ... list xt -- ... ) |
| |
\ xt ( ... node -- ... ) |
| |
{ xt } begin { node } |
| |
node while |
| |
node xt execute |
| |
node list-next @ |
| |
repeat ; |
| |
|
| |
\ C prefix lines |
| |
|
| |
\ linked list of longcstrings: [ link | count-cell | characters ] |
| |
|
| |
list% |
| |
cell% field c-prefix-count |
| |
1 0 field c-prefix-chars |
| |
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 ; |
| |
|
| |
\c #include "engine/libcc.h" |
| |
|
| \ require lib.fs |
print-c-prefix-lines |
| |
|
| \ library libc libc.so.6 |
\ Types (for parsing) |
| \ libc sleep int (int) sleep |
|
| \ libc dlerror (ptr) dlerror |
|
| |
|
| wordlist constant libcc-types |
wordlist constant libcc-types |
| |
|
| : gen-wrapper-function ( addr -- ) |
: gen-wrapper-function ( addr -- ) |
| \ addr points to the return type index of a c-function descriptor |
\ addr points to the return type index of a c-function descriptor |
| c@+ { ret } count 2dup { d: pars } chars + count { d: c-name } |
c@+ { ret } count 2dup { d: pars } chars + count { d: c-name } |
| .\" #include \"engine/libcc.h\"\n" |
print-c-prefix-lines |
| ." void gforth_c_" c-name type ." _" |
." void gforth_c_" c-name type ." _" |
| pars bounds u+do |
pars bounds u+do |
| i c@ type-letter emit |
i c@ type-letter emit |
