version 1.182, 2005/12/11 19:31:48
|
version 1.190, 2006/03/11 22:22:40
|
Line 1
|
Line 1
|
\ Gforth primitives |
\ Gforth primitives |
|
|
\ Copyright (C) 1995,1996,1997,1998,2000,2003,2004 Free Software Foundation, Inc. |
\ Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005 Free Software Foundation, Inc. |
|
|
\ This file is part of Gforth. |
\ This file is part of Gforth. |
|
|
Line 719 c2 = toupper(c1);
|
Line 719 c2 = toupper(c1);
|
: |
: |
dup [char] a - [ char z char a - 1 + ] Literal u< bl and - ; |
dup [char] a - [ char z char a - 1 + ] Literal u< bl and - ; |
|
|
|
capscompare ( c_addr1 u1 c_addr2 u2 -- n ) string |
|
""Compare two strings lexicographically. If they are equal, @i{n} is 0; if |
|
the first string is smaller, @i{n} is -1; if the first string is larger, @i{n} |
|
is 1. Currently this is based on the machine's character |
|
comparison. In the future, this may change to consider the current |
|
locale and its collation order."" |
|
/* close ' to keep fontify happy */ |
|
n = capscompare(c_addr1, u1, c_addr2, u2); |
|
|
/string ( c_addr1 u1 n -- c_addr2 u2 ) string slash_string |
/string ( c_addr1 u1 n -- c_addr2 u2 ) string slash_string |
""Adjust the string specified by @i{c-addr1, u1} to remove @i{n} |
""Adjust the string specified by @i{c-addr1, u1} to remove @i{n} |
characters from the start of the string."" |
characters from the start of the string."" |
Line 873 division by 2 (note that @code{/} not ne
|
Line 882 division by 2 (note that @code{/} not ne
|
n2 = n1>>1; |
n2 = n1>>1; |
: |
: |
dup MINI and IF 1 ELSE 0 THEN |
dup MINI and IF 1 ELSE 0 THEN |
[ bits/byte cell * 1- ] literal |
[ bits/char cell * 1- ] literal |
0 DO 2* swap dup 2* >r MINI and |
0 DO 2* swap dup 2* >r MINI and |
IF 1 ELSE 0 THEN or r> swap |
IF 1 ELSE 0 THEN or r> swap |
LOOP nip ; |
LOOP nip ; |
Line 1229 useraddr ( #u -- a_addr ) new
|
Line 1238 useraddr ( #u -- a_addr ) new
|
a_addr = (Cell *)(up+u); |
a_addr = (Cell *)(up+u); |
|
|
up! ( a_addr -- ) gforth up_store |
up! ( a_addr -- ) gforth up_store |
UP=up=(char *)a_addr; |
gforth_UP=up=(Address)a_addr; |
: |
: |
up ! ; |
up ! ; |
Variable UP |
Variable UP |
Line 1672 with the window size.""
|
Line 1681 with the window size.""
|
urows=rows; |
urows=rows; |
ucols=cols; |
ucols=cols; |
|
|
|
wcwidth ( u -- n ) gforth |
|
""The number of fixed-width characters per unicode character u"" |
|
n = wcwidth(u); |
|
|
flush-icache ( c_addr u -- ) gforth flush_icache |
flush-icache ( c_addr u -- ) gforth flush_icache |
""Make sure that the instruction cache of the processor (if there is |
""Make sure that the instruction cache of the processor (if there is |
one) does not contain stale data at @i{c-addr} and @i{u} bytes |
one) does not contain stale data at @i{c-addr} and @i{u} bytes |
Line 1698 is the host operating system's expansion
|
Line 1711 is the host operating system's expansion
|
environment variable does not exist, @i{c-addr2 u2} specifies a string 0 characters |
environment variable does not exist, @i{c-addr2 u2} specifies a string 0 characters |
in length."" |
in length."" |
/* close ' to keep fontify happy */ |
/* close ' to keep fontify happy */ |
c_addr2 = getenv(cstr(c_addr1,u1,1)); |
c_addr2 = (Char *)getenv(cstr(c_addr1,u1,1)); |
u2 = (c_addr2 == NULL ? 0 : strlen(c_addr2)); |
u2 = (c_addr2 == NULL ? 0 : strlen((char *)c_addr2)); |
|
|
open-pipe ( c_addr u wfam -- wfileid wior ) gforth open_pipe |
open-pipe ( c_addr u wfam -- wfileid wior ) gforth open_pipe |
wfileid=(Cell)popen(cstr(c_addr,u,1),pfileattr[wfam]); /* ~ expansion of 1st arg? */ |
wfileid=(Cell)popen(cstr(c_addr,u,1),pfileattr[wfam]); /* ~ expansion of 1st arg? */ |
Line 1775 else
|
Line 1788 else
|
wior = IOR(a_addr2==NULL); /* !! Define a return code */ |
wior = IOR(a_addr2==NULL); /* !! Define a return code */ |
|
|
strerror ( n -- c_addr u ) gforth |
strerror ( n -- c_addr u ) gforth |
c_addr = strerror(n); |
c_addr = (Char *)strerror(n); |
u = strlen(c_addr); |
u = strlen((char *)c_addr); |
|
|
strsignal ( n -- c_addr u ) gforth |
strsignal ( n -- c_addr u ) gforth |
c_addr = (Address)strsignal(n); |
c_addr = (Char *)strsignal(n); |
u = strlen(c_addr); |
u = strlen((char *)c_addr); |
|
|
call-c ( ... w -- ... ) gforth call_c |
call-c ( ... w -- ... ) gforth call_c |
""Call the C function pointed to by @i{w}. The C function has to |
""Call the C function pointed to by @i{w}. The C function has to |
Line 1788 access the stack itself. The stack point
|
Line 1801 access the stack itself. The stack point
|
variables @code{SP} and @code{FP}."" |
variables @code{SP} and @code{FP}."" |
/* This is a first attempt at support for calls to C. This may change in |
/* This is a first attempt at support for calls to C. This may change in |
the future */ |
the future */ |
FP=fp; |
gforth_FP=fp; |
SP=sp; |
gforth_SP=sp; |
((void (*)())w)(); |
((void (*)())w)(); |
sp=SP; |
sp=gforth_SP; |
fp=FP; |
fp=gforth_FP; |
|
|
\+ |
\+ |
\+file |
\+file |
Line 1916 if(dent == NULL) {
|
Line 1929 if(dent == NULL) {
|
u2 = 0; |
u2 = 0; |
flag = 0; |
flag = 0; |
} else { |
} else { |
u2 = strlen(dent->d_name); |
u2 = strlen((char *)dent->d_name); |
if(u2 > u1) { |
if(u2 > u1) { |
u2 = u1; |
u2 = u1; |
wior = -512-ENAMETOOLONG; |
wior = -512-ENAMETOOLONG; |
Line 1941 wior = IOR(chdir(tilde_cstr(c_addr, u, 1
|
Line 1954 wior = IOR(chdir(tilde_cstr(c_addr, u, 1
|
get-dir ( c_addr1 u1 -- c_addr2 u2 ) gforth get_dir |
get-dir ( c_addr1 u1 -- c_addr2 u2 ) gforth get_dir |
""Store the current directory in the buffer specified by @{c-addr1, u1}. |
""Store the current directory in the buffer specified by @{c-addr1, u1}. |
If the buffer size is not sufficient, return 0 0"" |
If the buffer size is not sufficient, return 0 0"" |
c_addr2 = getcwd(c_addr1, u1); |
c_addr2 = (Char *)getcwd((char *)c_addr1, u1); |
if(c_addr2 != NULL) { |
if(c_addr2 != NULL) { |
u2 = strlen(c_addr2); |
u2 = strlen((char *)c_addr2); |
} else { |
} else { |
u2 = 0; |
u2 = 0; |
} |
} |
Line 1961 char newline[] = {
|
Line 1974 char newline[] = {
|
'\r','\n' |
'\r','\n' |
#endif |
#endif |
}; |
}; |
c_addr=newline; |
c_addr=(Char *)newline; |
u=sizeof(newline); |
u=sizeof(newline); |
: |
: |
"newline count ; |
"newline count ; |
Line 2153 sig=ecvt(r, u, &decpt, &flag);
|
Line 2166 sig=ecvt(r, u, &decpt, &flag);
|
n=(r==0. ? 1 : decpt); |
n=(r==0. ? 1 : decpt); |
f1=FLAG(flag!=0); |
f1=FLAG(flag!=0); |
f2=FLAG(isdigit((unsigned)(sig[0]))!=0); |
f2=FLAG(isdigit((unsigned)(sig[0]))!=0); |
siglen=strlen(sig); |
siglen=strlen((char *)sig); |
if (siglen>u) /* happens in glibc-2.1.3 if 999.. is rounded up */ |
if (siglen>u) /* happens in glibc-2.1.3 if 999.. is rounded up */ |
siglen=u; |
siglen=u; |
if (!f2) /* workaround Cygwin trailing 0s for Inf and Nan */ |
if (!f2) /* workaround Cygwin trailing 0s for Inf and Nan */ |
Line 2440 u3 = 0;
|
Line 2453 u3 = 0;
|
#endif |
#endif |
|
|
wcall ( ... u -- ... ) gforth |
wcall ( ... u -- ... ) gforth |
FP=fp; |
gforth_FP=fp; |
sp=(Cell*)(SYSCALL(Cell*(*)(Cell *, void *))u)(sp, &FP); |
sp=(Cell*)(SYSCALL(Cell*(*)(Cell *, void *))u)(sp, &gforth_FP); |
fp=FP; |
fp=gforth_FP; |
|
|
w@ ( a_addr -- u ) gforth wfetch |
uw@ ( c_addr -- u ) gforth u_w_fetch |
u = *(UWyde*)(a_addr); |
""@i{u} is the zero-extended 16-bit value stored at @i{c_addr}."" |
|
u = *(UWyde*)(c_addr); |
sw@ ( a_addr -- u ) gforth swfetch |
|
u = *(Wyde*)(a_addr); |
sw@ ( c_addr -- n ) gforth s_w_fetch |
|
""@i{n} is the sign-extended 16-bit value stored at @i{c_addr}."" |
w! ( u a_addr -- ) gforth wstore |
n = *(Wyde*)(c_addr); |
*(Wyde*)(a_addr) = u; |
|
|
w! ( w c_addr -- ) gforth w_store |
l@ ( a_addr -- u ) gforth lfetch |
""Store the bottom 16 bits of @i{w} at @i{c_addr}."" |
u = *(UTetrabyte*)(a_addr); |
*(Wyde*)(c_addr) = w; |
|
|
sl@ ( a_addr -- u ) gforth slfetch |
ul@ ( c_addr -- u ) gforth u_l_fetch |
u = *(Tetrabyte*)(a_addr); |
""@i{u} is the zero-extended 32-bit value stored at @i{c_addr}."" |
|
u = *(UTetrabyte*)(c_addr); |
l! ( u a_addr -- ) gforth lstore |
|
*(Tetrabyte*)(a_addr) = u; |
sl@ ( c_addr -- n ) gforth s_l_fetch |
|
""@i{n} is the sign-extended 32-bit value stored at @i{c_addr}."" |
|
n = *(Tetrabyte*)(c_addr); |
|
|
|
l! ( w c_addr -- ) gforth l_store |
|
""Store the bottom 32 bits of @i{w} at @i{c_addr}."" |
|
*(Tetrabyte*)(c_addr) = w; |
|
|
\+FFCALL |
\+FFCALL |
|
|
Line 2565 REST_REGS
|
Line 2584 REST_REGS
|
c_addr = prv; |
c_addr = prv; |
|
|
alloc-callback ( a_ip -- c_addr ) gforth alloc_callback |
alloc-callback ( a_ip -- c_addr ) gforth alloc_callback |
c_addr = (char *)alloc_callback(engine_callback, (Xt *)a_ip); |
c_addr = (char *)alloc_callback(gforth_callback, (Xt *)a_ip); |
|
|
va-start-void ( -- ) gforth va_start_void |
va-start-void ( -- ) gforth va_start_void |
va_start_void(clist); |
va_start_void(clist); |
Line 2654 static int ffi_sizes[] =
|
Line 2673 static int ffi_sizes[] =
|
n2 = ffi_sizes[n1]; |
n2 = ffi_sizes[n1]; |
|
|
ffi-prep-cif ( a_atypes n a_rtype a_cif -- w ) gforth ffi_prep_cif |
ffi-prep-cif ( a_atypes n a_rtype a_cif -- w ) gforth ffi_prep_cif |
w = ffi_prep_cif(a_cif, FFI_DEFAULT_ABI, n, a_rtype, a_atypes); |
w = ffi_prep_cif((ffi_cif *)a_cif, FFI_DEFAULT_ABI, n, |
|
(ffi_type *)a_rtype, (ffi_type **)a_atypes); |
|
|
ffi-call ( a_avalues a_rvalue a_ip a_cif -- ) gforth ffi_call |
ffi-call ( a_avalues a_rvalue a_ip a_cif -- ) gforth ffi_call |
ffi_call(a_cif, a_ip, a_rvalue, a_avalues); |
SAVE_REGS |
|
ffi_call((ffi_cif *)a_cif, (void(*)())a_ip, (void *)a_rvalue, (void **)a_avalues); |
|
REST_REGS |
|
|
ffi-prep-closure ( a_ip a_cif a_closure -- w ) gforth ffi_prep_closure |
ffi-prep-closure ( a_ip a_cif a_closure -- w ) gforth ffi_prep_closure |
w = ffi_prep_closure(a_closure, a_cif, ffi_callback, a_ip); |
w = ffi_prep_closure((ffi_closure *)a_closure, (ffi_cif *)a_cif, gforth_callback, (void *)a_ip); |
|
|
ffi-2@ ( a_addr -- d ) gforth ffi_2fetch |
ffi-2@ ( a_addr -- d ) gforth ffi_2fetch |
#ifdef BUGGY_LONG_LONG |
#ifdef BUGGY_LONG_LONG |
Line 2689 d = *(DCell*)(*clist++);
|
Line 2711 d = *(DCell*)(*clist++);
|
#endif |
#endif |
|
|
ffi-arg-ptr ( -- c_addr ) gforth ffi_arg_ptr |
ffi-arg-ptr ( -- c_addr ) gforth ffi_arg_ptr |
c_addr = *(char **)(*clist++); |
c_addr = *(Char **)(*clist++); |
|
|
ffi-arg-float ( -- r ) gforth ffi_arg_float |
ffi-arg-float ( -- r ) gforth ffi_arg_float |
r = *(float*)(*clist++); |
r = *(float*)(*clist++); |
Line 2713 ffi-ret-longlong ( d -- ) gforth ffi_ret
|
Line 2735 ffi-ret-longlong ( d -- ) gforth ffi_ret
|
return 0; |
return 0; |
|
|
ffi-ret-ptr ( c_addr -- ) gforth ffi_ret_ptr |
ffi-ret-ptr ( c_addr -- ) gforth ffi_ret_ptr |
*(char **)(ritem) = c_addr; |
*(Char **)(ritem) = c_addr; |
return 0; |
return 0; |
|
|
ffi-ret-float ( r -- ) gforth ffi_ret_float |
ffi-ret-float ( r -- ) gforth ffi_ret_float |