version 1.173, 2005/07/31 20:27:41
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version 1.191, 2006/03/11 23:05:09
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Line 1
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Line 1
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\ Gforth primitives |
\ Gforth primitives |
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\ 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. |
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\ This file is part of Gforth. |
\ This file is part of Gforth. |
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Line 417 INST_TAIL;
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Line 417 INST_TAIL;
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JUMP(a_target); |
JUMP(a_target); |
#else |
#else |
SET_IP((Xt *)a_target); |
SET_IP((Xt *)a_target); |
INST_TAIL; NEXT_P2; |
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#endif |
#endif |
} |
} else { |
sp--; |
sp--; |
sp[0]=f; |
sp[0]=f; |
SUPER_CONTINUE; |
} |
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?dup-0=-?branch ( #a_target f -- S:... ) new question_dupe_zero_equals_question_branch |
?dup-0=-?branch ( #a_target f -- S:... ) new question_dupe_zero_equals_question_branch |
""The run-time procedure compiled by @code{?DUP-0=-IF}."" |
""The run-time procedure compiled by @code{?DUP-0=-IF}."" |
Line 433 if (f!=0) {
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Line 432 if (f!=0) {
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JUMP(a_target); |
JUMP(a_target); |
#else |
#else |
SET_IP((Xt *)a_target); |
SET_IP((Xt *)a_target); |
NEXT; |
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#endif |
#endif |
} |
} |
SUPER_CONTINUE; |
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\+ |
\+ |
\fhas? skiploopprims 0= [IF] |
\fhas? skiploopprims 0= [IF] |
Line 722 c2 = toupper(c1);
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Line 719 c2 = toupper(c1);
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: |
: |
dup [char] a - [ char z char a - 1 + ] Literal u< bl and - ; |
dup [char] a - [ char z char a - 1 + ] Literal u< bl and - ; |
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capscompare ( c_addr1 u1 c_addr2 u2 -- n ) string |
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""Compare two strings lexicographically. If they are equal, @i{n} is 0; if |
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the first string is smaller, @i{n} is -1; if the first string is larger, @i{n} |
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is 1. Currently this is based on the machine's character |
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comparison. In the future, this may change to consider the current |
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locale and its collation order."" |
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/* close ' to keep fontify happy */ |
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n = capscompare(c_addr1, u1, c_addr2, u2); |
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/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 876 division by 2 (note that @code{/} not ne
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Line 882 division by 2 (note that @code{/} not ne
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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 1232 useraddr ( #u -- a_addr ) new
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Line 1238 useraddr ( #u -- a_addr ) new
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a_addr = (Cell *)(up+u); |
a_addr = (Cell *)(up+u); |
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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 1648 n = key((FILE*)wfileid);
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Line 1654 n = key((FILE*)wfileid);
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n = key(stdin); |
n = key(stdin); |
#endif |
#endif |
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key?-file ( wfileid -- n ) facility key_q_file |
key?-file ( wfileid -- n ) gforth key_q_file |
#ifdef HAS_FILE |
#ifdef HAS_FILE |
fflush(stdout); |
fflush(stdout); |
n = key_query((FILE*)wfileid); |
n = key_query((FILE*)wfileid); |
Line 1675 with the window size.""
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Line 1681 with the window size.""
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urows=rows; |
urows=rows; |
ucols=cols; |
ucols=cols; |
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wcwidth ( u -- n ) gforth |
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""The number of fixed-width characters per unicode character u"" |
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n = wcwidth(u); |
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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 1701 is the host operating system's expansion
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Line 1711 is the host operating system's expansion
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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)); |
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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 1778 else
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Line 1788 else
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wior = IOR(a_addr2==NULL); /* !! Define a return code */ |
wior = IOR(a_addr2==NULL); /* !! Define a return code */ |
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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); |
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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); |
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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 1791 access the stack itself. The stack point
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Line 1801 access the stack itself. The stack point
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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; |
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\+ |
\+ |
\+file |
\+file |
Line 1919 if(dent == NULL) {
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Line 1929 if(dent == NULL) {
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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 1944 wior = IOR(chdir(tilde_cstr(c_addr, u, 1
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Line 1954 wior = IOR(chdir(tilde_cstr(c_addr, u, 1
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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 1964 char newline[] = {
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Line 1974 char newline[] = {
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'\r','\n' |
'\r','\n' |
#endif |
#endif |
}; |
}; |
c_addr=newline; |
c_addr=(Char *)newline; |
u=sizeof(newline); |
u=sizeof(newline); |
: |
: |
"newline count ; |
"newline count ; |
Line 2005 dsystem = DZERO;
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Line 2015 dsystem = DZERO;
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comparisons(f, r1 r2, f_, r1, r2, gforth, gforth, float, gforth) |
comparisons(f, r1 r2, f_, r1, r2, gforth, gforth, float, gforth) |
comparisons(f0, r, f_zero_, r, 0., float, gforth, float, gforth) |
comparisons(f0, r, f_zero_, r, 0., float, gforth, float, gforth) |
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s>f ( n -- r ) float s_to_f |
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r = n; |
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d>f ( d -- r ) float d_to_f |
d>f ( d -- r ) float d_to_f |
#ifdef BUGGY_LL_D2F |
#ifdef BUGGY_LL_D2F |
extern double ldexp(double x, int exp); |
extern double ldexp(double x, int exp); |
Line 2025 f>d ( r -- d ) float f_to_d
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Line 2038 f>d ( r -- d ) float f_to_d
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extern DCell double2ll(Float r); |
extern DCell double2ll(Float r); |
d = double2ll(r); |
d = double2ll(r); |
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f>s ( r -- n ) float f_to_s |
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n = (Cell)r; |
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f! ( r f_addr -- ) float f_store |
f! ( r f_addr -- ) float f_store |
""Store @i{r} into the float at address @i{f-addr}."" |
""Store @i{r} into the float at address @i{f-addr}."" |
*f_addr = r; |
*f_addr = r; |
Line 2083 f** ( r1 r2 -- r3 ) float-ext f_star_sta
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Line 2099 f** ( r1 r2 -- r3 ) float-ext f_star_sta
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""@i{r3} is @i{r1} raised to the @i{r2}th power."" |
""@i{r3} is @i{r1} raised to the @i{r2}th power."" |
r3 = pow(r1,r2); |
r3 = pow(r1,r2); |
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fm* ( r1 n -- r2 ) gforth fm_star |
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r2 = r1*n; |
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fm/ ( r1 n -- r2 ) gforth fm_slash |
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r2 = r1/n; |
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fm*/ ( r1 n1 n2 -- r2 ) gforth fm_star_slash |
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r2 = (r1*n1)/n2; |
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f**2 ( r1 -- r2 ) gforth fm_square |
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r2 = r1*r1; |
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fnegate ( r1 -- r2 ) float f_negate |
fnegate ( r1 -- r2 ) float f_negate |
r2 = - r1; |
r2 = - r1; |
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Line 2138 sig=ecvt(r, u, &decpt, &flag);
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Line 2166 sig=ecvt(r, u, &decpt, &flag);
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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 2425 u3 = 0;
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Line 2453 u3 = 0;
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#endif |
#endif |
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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; |
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uw@ ( c_addr -- u ) gforth u_w_fetch |
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""@i{u} is the zero-extended 16-bit value stored at @i{c_addr}."" |
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u = *(UWyde*)(c_addr); |
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sw@ ( c_addr -- n ) gforth s_w_fetch |
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""@i{n} is the sign-extended 16-bit value stored at @i{c_addr}."" |
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n = *(Wyde*)(c_addr); |
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w! ( w c_addr -- ) gforth w_store |
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""Store the bottom 16 bits of @i{w} at @i{c_addr}."" |
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*(Wyde*)(c_addr) = w; |
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ul@ ( c_addr -- u ) gforth u_l_fetch |
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""@i{u} is the zero-extended 32-bit value stored at @i{c_addr}."" |
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u = *(UTetrabyte*)(c_addr); |
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sl@ ( c_addr -- n ) gforth s_l_fetch |
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""@i{n} is the sign-extended 32-bit value stored at @i{c_addr}."" |
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n = *(Tetrabyte*)(c_addr); |
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l! ( w c_addr -- ) gforth l_store |
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""Store the bottom 32 bits of @i{w} at @i{c_addr}."" |
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*(Tetrabyte*)(c_addr) = w; |
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\+FFCALL |
\+FFCALL |
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Line 2532 REST_REGS
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Line 2584 REST_REGS
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c_addr = prv; |
c_addr = prv; |
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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); |
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va-start-void ( -- ) gforth va_start_void |
va-start-void ( -- ) gforth va_start_void |
va_start_void(clist); |
va_start_void(gforth_clist); |
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va-start-int ( -- ) gforth va_start_int |
va-start-int ( -- ) gforth va_start_int |
va_start_int(clist); |
va_start_int(gforth_clist); |
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va-start-longlong ( -- ) gforth va_start_longlong |
va-start-longlong ( -- ) gforth va_start_longlong |
va_start_longlong(clist); |
va_start_longlong(gforth_clist); |
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va-start-ptr ( -- ) gforth va_start_ptr |
va-start-ptr ( -- ) gforth va_start_ptr |
va_start_ptr(clist, (char *)); |
va_start_ptr(gforth_clist, (char *)); |
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va-start-float ( -- ) gforth va_start_float |
va-start-float ( -- ) gforth va_start_float |
va_start_float(clist); |
va_start_float(gforth_clist); |
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va-start-double ( -- ) gforth va_start_double |
va-start-double ( -- ) gforth va_start_double |
va_start_double(clist); |
va_start_double(gforth_clist); |
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va-arg-int ( -- w ) gforth va_arg_int |
va-arg-int ( -- w ) gforth va_arg_int |
w = va_arg_int(clist); |
w = va_arg_int(gforth_clist); |
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va-arg-longlong ( -- d ) gforth va_arg_longlong |
va-arg-longlong ( -- d ) gforth va_arg_longlong |
#ifdef BUGGY_LONG_LONG |
#ifdef BUGGY_LONG_LONG |
DLO_IS(d, va_arg_longlong(clist)); |
DLO_IS(d, va_arg_longlong(gforth_clist)); |
DHI_IS(d, 0); |
DHI_IS(d, 0); |
#else |
#else |
d = va_arg_longlong(clist); |
d = va_arg_longlong(gforth_clist); |
#endif |
#endif |
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va-arg-ptr ( -- c_addr ) gforth va_arg_ptr |
va-arg-ptr ( -- c_addr ) gforth va_arg_ptr |
c_addr = (char *)va_arg_ptr(clist,char*); |
c_addr = (char *)va_arg_ptr(gforth_clist,char*); |
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va-arg-float ( -- r ) gforth va_arg_float |
va-arg-float ( -- r ) gforth va_arg_float |
r = va_arg_float(clist); |
r = va_arg_float(gforth_clist); |
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va-arg-double ( -- r ) gforth va_arg_double |
va-arg-double ( -- r ) gforth va_arg_double |
r = va_arg_double(clist); |
r = va_arg_double(gforth_clist); |
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va-return-void ( -- ) gforth va_return_void |
va-return-void ( -- ) gforth va_return_void |
va_return_void(clist); |
va_return_void(gforth_clist); |
return 0; |
return 0; |
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va-return-int ( w -- ) gforth va_return_int |
va-return-int ( w -- ) gforth va_return_int |
va_return_int(clist, w); |
va_return_int(gforth_clist, w); |
return 0; |
return 0; |
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va-return-ptr ( c_addr -- ) gforth va_return_ptr |
va-return-ptr ( c_addr -- ) gforth va_return_ptr |
va_return_ptr(clist, void *, c_addr); |
va_return_ptr(gforth_clist, void *, c_addr); |
return 0; |
return 0; |
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va-return-longlong ( d -- ) gforth va_return_longlong |
va-return-longlong ( d -- ) gforth va_return_longlong |
#ifdef BUGGY_LONG_LONG |
#ifdef BUGGY_LONG_LONG |
va_return_longlong(clist, d.lo); |
va_return_longlong(gforth_clist, d.lo); |
#else |
#else |
va_return_longlong(clist, d); |
va_return_longlong(gforth_clist, d); |
#endif |
#endif |
return 0; |
return 0; |
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va-return-float ( r -- ) gforth va_return_float |
va-return-float ( r -- ) gforth va_return_float |
va_return_float(clist, r); |
va_return_float(gforth_clist, r); |
return 0; |
return 0; |
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va-return-double ( r -- ) gforth va_return_double |
va-return-double ( r -- ) gforth va_return_double |
va_return_double(clist, r); |
va_return_double(gforth_clist, r); |
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return 0; |
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\+ |
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\+LIBFFI |
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ffi-type ( n -- a_type ) gforth ffi_type |
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static void* ffi_types[] = |
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{ &ffi_type_void, |
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&ffi_type_uint8, &ffi_type_sint8, |
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&ffi_type_uint16, &ffi_type_sint16, |
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&ffi_type_uint32, &ffi_type_sint32, |
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&ffi_type_uint64, &ffi_type_sint64, |
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&ffi_type_float, &ffi_type_double, &ffi_type_longdouble, |
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&ffi_type_pointer }; |
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a_type = ffi_types[n]; |
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ffi-size ( n1 -- n2 ) gforth ffi_size |
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static int ffi_sizes[] = |
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{ sizeof(ffi_cif), sizeof(ffi_closure) }; |
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n2 = ffi_sizes[n1]; |
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ffi-prep-cif ( a_atypes n a_rtype a_cif -- w ) gforth ffi_prep_cif |
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w = ffi_prep_cif((ffi_cif *)a_cif, FFI_DEFAULT_ABI, n, |
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(ffi_type *)a_rtype, (ffi_type **)a_atypes); |
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ffi-call ( a_avalues a_rvalue a_ip a_cif -- ) gforth ffi_call |
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SAVE_REGS |
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ffi_call((ffi_cif *)a_cif, (void(*)())a_ip, (void *)a_rvalue, (void **)a_avalues); |
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REST_REGS |
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ffi-prep-closure ( a_ip a_cif a_closure -- w ) gforth ffi_prep_closure |
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w = ffi_prep_closure((ffi_closure *)a_closure, (ffi_cif *)a_cif, gforth_callback, (void *)a_ip); |
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ffi-2@ ( a_addr -- d ) gforth ffi_2fetch |
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#ifdef BUGGY_LONG_LONG |
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DLO_IS(d, (Cell*)(*a_addr)); |
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DHI_IS(d, 0); |
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#else |
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d = *(DCell*)(a_addr); |
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#endif |
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ffi-2! ( d a_addr -- ) gforth ffi_2store |
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#ifdef BUGGY_LONG_LONG |
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*(Cell*)(a_addr) = DLO(d); |
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#else |
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*(DCell*)(a_addr) = d; |
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#endif |
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ffi-arg-int ( -- w ) gforth ffi_arg_int |
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w = *(int *)(*gforth_clist++); |
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ffi-arg-longlong ( -- d ) gforth ffi_arg_longlong |
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#ifdef BUGGY_LONG_LONG |
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DLO_IS(d, (Cell*)(*gforth_clist++)); |
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DHI_IS(d, 0); |
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#else |
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d = *(DCell*)(*gforth_clist++); |
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#endif |
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ffi-arg-ptr ( -- c_addr ) gforth ffi_arg_ptr |
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c_addr = *(Char **)(*gforth_clist++); |
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ffi-arg-float ( -- r ) gforth ffi_arg_float |
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r = *(float*)(*gforth_clist++); |
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ffi-arg-double ( -- r ) gforth ffi_arg_double |
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r = *(double*)(*gforth_clist++); |
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ffi-ret-void ( -- ) gforth ffi_ret_void |
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return 0; |
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ffi-ret-int ( w -- ) gforth ffi_ret_int |
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*(int*)(gforth_ritem) = w; |
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return 0; |
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ffi-ret-longlong ( d -- ) gforth ffi_ret_longlong |
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#ifdef BUGGY_LONG_LONG |
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*(Cell*)(gforth_ritem) = DLO(d); |
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#else |
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*(DCell*)(gforth_ritem) = d; |
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#endif |
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return 0; |
|
|
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ffi-ret-ptr ( c_addr -- ) gforth ffi_ret_ptr |
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*(Char **)(gforth_ritem) = c_addr; |
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return 0; |
|
|
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ffi-ret-float ( r -- ) gforth ffi_ret_float |
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*(float*)(gforth_ritem) = r; |
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return 0; |
|
|
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ffi-ret-double ( r -- ) gforth ffi_ret_double |
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*(double*)(gforth_ritem) = r; |
return 0; |
return 0; |
|
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\+ |
\+ |