mirror of
https://github.com/vishapoberon/compiler.git
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added target os, added experimental darwin, starting darwin port
Former-commit-id: 49b86a4ac5
This commit is contained in:
Norayr Chilingarian
parent
13bd5b56a5
commit
38d4e88876
61 changed files with 1521 additions and 25 deletions
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#ifndef SYSTEM__h
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#define SYSTEM__h
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/*
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the Ofront runtime system interface and macros library
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copyright (c) Josef Templ, 1995, 1996
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gcc for Linux version (same as SPARC/Solaris2)
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uses double # as concatenation operator
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*/
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#include <alloca.h>
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//extern void *memcpy(void *dest, const void *src, long n);
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extern void *memcpy(void *dest, const void *src, size_t n);
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extern void *malloc(long size);
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extern void exit(int status);
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#define export
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#define import extern
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/* constants */
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#define __MAXEXT 16
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#define NIL 0L
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#define POINTER__typ (long*)1L /* not NIL and not a valid type */
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/* basic types */
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typedef char BOOLEAN;
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typedef unsigned char CHAR;
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typedef signed char SHORTINT;
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typedef short int INTEGER;
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typedef long LONGINT;
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typedef float REAL;
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typedef double LONGREAL;
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typedef unsigned long SET;
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typedef void *SYSTEM_PTR;
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typedef unsigned char SYSTEM_BYTE;
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/* runtime system routines */
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extern long SYSTEM_DIV();
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extern long SYSTEM_MOD();
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extern long SYSTEM_ENTIER();
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extern long SYSTEM_ASH();
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extern long SYSTEM_ABS();
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extern long SYSTEM_XCHK();
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extern long SYSTEM_RCHK();
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extern double SYSTEM_ABSD();
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extern SYSTEM_PTR SYSTEM_NEWREC();
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extern SYSTEM_PTR SYSTEM_NEWBLK();
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#ifdef __STDC__
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extern SYSTEM_PTR SYSTEM_NEWARR(long*, long, int, int, int, ...);
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#else
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extern SYSTEM_PTR SYSTEM_NEWARR();
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#endif
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extern SYSTEM_PTR SYSTEM_REGMOD();
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extern void SYSTEM_INCREF();
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extern void SYSTEM_REGCMD();
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extern void SYSTEM_REGTYP();
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extern void SYSTEM_REGFIN();
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extern void SYSTEM_FINALL();
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extern void SYSTEM_INIT();
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extern void SYSTEM_FINI();
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extern void SYSTEM_HALT();
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extern void SYSTEM_INHERIT();
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extern void SYSTEM_ENUMP();
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extern void SYSTEM_ENUMR();
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/* module registry */
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#define __DEFMOD static void *m; if(m!=0)return m
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#define __REGMOD(name, enum) if(m==0)m=SYSTEM_REGMOD((CHAR*)name,enum); else return m
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#define __ENDMOD return m
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#define __INIT(argc, argv) static void *m; SYSTEM_INIT(argc, (long)&argv);
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#define __REGMAIN(name, enum) m=SYSTEM_REGMOD(name,enum)
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#define __FINI SYSTEM_FINI(); return 0
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#define __IMPORT(name) SYSTEM_INCREF(name##__init())
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#define __REGCMD(name, cmd) SYSTEM_REGCMD(m, name, cmd)
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/* SYSTEM ops */
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#define __SYSNEW(p, len) p=SYSTEM_NEWBLK((long)(len))
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#define __VAL(t, x) (*(t*)&(x))
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#define __GET(a, x, t) x= *(t*)(a)
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#define __PUT(a, x, t) *(t*)(a)=x
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#define __LSHL(x, n, t) ((t)((unsigned)(x)<<(n)))
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#define __LSHR(x, n, t) ((t)((unsigned)(x)>>(n)))
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#define __LSH(x, n, t) ((n)>=0? __LSHL(x, n, t): __LSHR(x, -(n), t))
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#define __ROTL(x, n, t) ((t)((unsigned)(x)<<(n)|(unsigned)(x)>>(8*sizeof(t)-(n))))
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#define __ROTR(x, n, t) ((t)((unsigned)(x)>>(n)|(unsigned)(x)<<(8*sizeof(t)-(n))))
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#define __ROT(x, n, t) ((n)>=0? __ROTL(x, n, t): __ROTR(x, -(n), t))
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#define __BIT(x, n) (*(unsigned long*)(x)>>(n)&1)
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#define __MOVE(s, d, n) memcpy((char*)(d),(char*)(s),n)
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/* std procs and operator mappings */
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#define __SHORT(x, y) ((int)((unsigned long)(x)+(y)<(y)+(y)?(x):(__HALT(-8),0)))
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#define __SHORTF(x, y) ((int)(__RF((x)+(y),(y)+(y))-(y)))
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#define __CHR(x) ((CHAR)__R(x, 256))
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#define __CHRF(x) ((CHAR)__RF(x, 256))
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#define __DIV(x, y) ((x)>=0?(x)/(y):-(((y)-1-(x))/(y)))
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#define __DIVF(x, y) SYSTEM_DIV((long)(x),(long)(y))
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#define __MOD(x, y) ((x)>=0?(x)%(y):__MODF(x,y))
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#define __MODF(x, y) SYSTEM_MOD((long)(x),(long)(y))
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#define __NEW(p, t) p=SYSTEM_NEWREC((long)t##__typ)
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#define __NEWARR SYSTEM_NEWARR
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#define __HALT(x) SYSTEM_HALT(x)
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#define __ASSERT(cond, x) if (!(cond)) {SYSTEM_assert = x; SYSTEM_HALT(-1);}
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#define __ENTIER(x) SYSTEM_ENTIER(x)
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#define __ABS(x) (((x)<0)?-(x):(x))
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#define __ABSF(x) SYSTEM_ABS((long)(x))
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#define __ABSFD(x) SYSTEM_ABSD((double)(x))
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#define __CAP(ch) ((CHAR)((ch)&0x5f))
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#define __ODD(x) ((x)&1)
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#define __IN(x, s) (((s)>>(x))&1)
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#define __SETOF(x) ((SET)1<<(x))
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#define __SETRNG(l, h) ((~(SET)0<<(l))&~(SET)0>>(8*sizeof(SET)-1-(h)))
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#define __MASK(x, m) ((x)&~(m))
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#define __COPY(s, d, n) {char*_a=(void*)s,*_b=(void*)d;long _i=0,_t=n-1;while(_i<_t&&((_b[_i]=_a[_i])!=0)){_i++;};_b[_i]=0;}
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static int __STRCMP(x, y)
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CHAR *x, *y;
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{long i = 0; CHAR ch1, ch2;
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do {ch1 = x[i]; ch2 = y[i]; i++;
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if (!ch1) return -(int)ch2;
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} while (ch1==ch2);
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return (int)ch1 - (int)ch2;
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}
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#define __ASH(x, n) ((n)>=0?__ASHL(x,n):__ASHR(x,-(n)))
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#define __ASHL(x, n) ((long)(x)<<(n))
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#define __ASHR(x, n) ((long)(x)>>(n))
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#define __ASHF(x, n) SYSTEM_ASH((long)(x), (long)(n))
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#define __DUP(x, l, t) x=(void*)memcpy(alloca(l*sizeof(t)),x,l*sizeof(t))
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#define __DUPARR(v, t) v=(void*)memcpy(v##__copy,v,sizeof(t))
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#define __DEL(x) /* DUP with alloca frees storage automatically */
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#define __IS(tag, typ, level) (*(tag-(__BASEOFF-level))==(long)typ##__typ)
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#define __TYPEOF(p) (*(((long**)(p))-1))
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#define __ISP(p, typ, level) __IS(__TYPEOF(p),typ,level)
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/* runtime checks */
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#define __X(i, ub) (((unsigned)(long)(i)<(unsigned long)(ub))?i:(__HALT(-2),0))
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#define __XF(i, ub) SYSTEM_XCHK((long)(i), (long)(ub))
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#define __RETCHK __retchk: __HALT(-3)
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#define __CASECHK __HALT(-4)
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#define __GUARDP(p, typ, level) ((typ*)(__ISP(p,typ,level)?p:(__HALT(-5),p)))
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#define __GUARDR(r, typ, level) (*((typ*)(__IS(r##__typ,typ,level)?r:(__HALT(-5),r))))
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#define __GUARDA(p, typ, level) ((struct typ*)(__IS(__TYPEOF(p),typ,level)?p:(__HALT(-5),p)))
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#define __GUARDEQR(p, dyntyp, typ) if(dyntyp!=typ##__typ) __HALT(-6);*(p)
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#define __GUARDEQP(p, typ) if(__TYPEOF(p)!=typ##__typ)__HALT(-6);*(p)
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#define __WITHCHK __HALT(-7)
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#define __R(i, ub) (((unsigned)(long)(i)<(unsigned long)(ub))?i:(__HALT(-8),0))
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#define __RF(i, ub) SYSTEM_RCHK((long)(i),(long)(ub))
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/* record type descriptors */
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#define __TDESC(t, m, n) \
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static struct t##__desc {\
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long tproc[m]; \
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long tag, next, level, module; \
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char name[24]; \
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long *base[__MAXEXT]; \
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char *rsrvd; \
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long blksz, ptr[n+1]; \
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} t##__desc
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#define __BASEOFF (__MAXEXT+1)
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#define __TPROC0OFF (__BASEOFF+24/sizeof(long)+5)
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#define __EOM 1
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#define __TDFLDS(name, size) {__EOM}, 1, 0, 0, 0, name, {0}, 0, size
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#define __ENUMP(adr, n, P) SYSTEM_ENUMP(adr, (long)(n), P)
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#define __ENUMR(adr, typ, size, n, P) SYSTEM_ENUMR(adr, typ, (long)(size), (long)(n), P)
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#define __INITYP(t, t0, level) \
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t##__typ= &t##__desc.blksz; \
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memcpy(t##__desc.base, t0##__typ - __BASEOFF, level*sizeof(long)); \
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t##__desc.base[level]=t##__typ; \
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t##__desc.module=(long)m; \
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if(t##__desc.blksz!=sizeof(struct t)) __HALT(-15); \
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t##__desc.blksz=(t##__desc.blksz+5*sizeof(long)-1)/(4*sizeof(long))*(4*sizeof(long)); \
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SYSTEM_REGTYP(m, (long)&t##__desc.next); \
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SYSTEM_INHERIT(t##__typ, t0##__typ)
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/* Oberon-2 type bound procedures support */
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#define __INITBP(t, proc, num) *(t##__typ-(__TPROC0OFF+num))=(long)proc
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#define __SEND(typ, num, funtyp, parlist) ((funtyp)(*(typ-(__TPROC0OFF+num))))parlist
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/* runtime system variables */
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extern LONGINT SYSTEM_argc;
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extern LONGINT SYSTEM_argv;
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extern void (*SYSTEM_Halt)();
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extern LONGINT SYSTEM_halt;
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extern LONGINT SYSTEM_assert;
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extern SYSTEM_PTR SYSTEM_modules;
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extern LONGINT SYSTEM_heapsize;
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extern LONGINT SYSTEM_allocated;
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extern LONGINT SYSTEM_lock;
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extern SHORTINT SYSTEM_gclock;
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extern BOOLEAN SYSTEM_interrupted;
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/* ANSI prototypes; not used so far
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static int __STRCMP(CHAR *x, CHAR *y);
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void SYSTEM_INIT(int argc, long argvadr);
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void SYSTEM_FINI(void);
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long SYSTEM_XCHK(long i, long ub);
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long SYSTEM_RCHK(long i, long ub);
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long SYSTEM_ASH(long i, long n);
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long SYSTEM_ABS(long i);
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double SYSTEM_ABSD(double i);
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void SYSTEM_INHERIT(long *t, long *t0);
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void SYSTEM_ENUMP(long *adr, long n, void (*P)(void*));
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void SYSTEM_ENUMR(char *adr, long *typ, long size, long n, void (*P)(void*));
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long SYSTEM_DIV(unsigned long x, unsigned long y);
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long SYSTEM_MOD(unsigned long x, unsigned long y);
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long SYSTEM_ENTIER(double x);
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void SYSTEM_HALT(int n);
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*/
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#endif
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