mirror of
https://github.com/perlbot/perlbuut
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69 lines
1.6 KiB
Text
69 lines
1.6 KiB
Text
/* K(f:obj 2:("f";2)) call C(K f(K x,K y){}) MAX 7 args*/
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#define R return
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#define O printf
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#define Z static
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#define DO(n,x) {I i=0,_i=(n);for(;i<_i;++i){x;}}
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typedef int I;typedef double F;typedef char C;typedef C*S;typedef unsigned char UC;
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typedef struct k0{I c,t,n;struct k0*k[1];}*K;
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/* atom accessors, e.g. Ki(x)=2 */
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#define Ki(x) ((x)->n)
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#define Kf(x) (*KF(x))
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#define Kc(x) (*(UC*)&(x)->n)
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#define Ks(x) (*(S*)&(x)->n)
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/* list accessors, e.g. KF(x)[i]=2.0 */
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#define KI(x) ((I*)((x)->k))
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#define KF(x) ((F*)((x)->k))
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#define KC(x) ((UC*)((x)->k))
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#define KS(x) ((S*)((x)->k))
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#define KK(x) ((K*)((x)->k))
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern S sp(S); /* symbol from phrase */
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/* atom generators, e.g. gi(2),gf(2.0),gc('2'),gs(sp("2")) */
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extern K gi(I),gf(F),gc(C),gs(S),gn(void);
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/* list generator (t as in 4::), e.g. gtn(-1,9) integer vector */
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extern K gtn(I t,I n);
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/* phrase (-3=4::) generators, e.g. gp("asdf");C*s;gpn(s,4); */
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extern K gp(S),gpn(S,I);
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/* error, e.g. if(x->t!=-1)return kerr("need integer vector");*/
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extern K kerr(S),gsk(S,K),gnk(I,...),ci(K),ksk(S,K),kap(K*,void*);
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extern I cd(K),jd(I),dj(I),scd(I),sdf(I,I(*)(void)),sfn(S,K(*)(void),I);
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#ifdef __cplusplus
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}
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#endif
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/* e.g.
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load function(s) from a.c
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#include "k20.h"
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K f(K x,K y){return gi(Ki(x)+Ki(y));} // add 2 integers
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K g(K x){return gf(Kf(x)+1);} // add 1 to float
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...
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LINUX(dlopen): cc -shared a.c -o a.so
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in k,
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f:"[path]/a"2:("f";2)
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g:"[path]/a"2:("g";1)
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f[2;3]
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5
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g[2.3]
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3.3
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FILES: .l(k binary) 16 byte header: -3 1 type count
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types -1(int) -2(float) -3(byte) can be mapped as is.
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syms are null terminated.
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*/
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