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#ifndef CARAWAY_H |
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#define CARAWAY_H |
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|
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#include <stdio.h> |
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#include <string.h> |
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#include <stdlib.h> |
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#include "config.h" |
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|
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extern FILE *yyin; |
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|
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int main( int argc, char **argv ); |
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void fatal( char *s ); |
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|
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/* |
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* Immediate and Non-Immediate OOP |
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* |
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* Immediate OOP (bottom 2 bits ~= 0) |
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* 01 => SmallInteger, 10 => Character |
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* |
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* Non-Immediate OOP (bottom 2 bits = 0) |
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* |
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* Pointer Object Body |
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* |
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* +-------------------------------------------+ |
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* | optional size (if > size bits in flags) | |
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* +-------------------------------------------+ |
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* | oop in first instance variable | |
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* +-------------------------------------------+ |
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* | oop in second instance variable | |
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* +-------------------------------------------+ |
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* |
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* Byte Object Body |
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* |
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* +-------------------------------------------+ |
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* | optional size (if > size bits in flags) | |
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* +-------------------------------------------+ |
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* | byte 1 | byte 2 | byte 3 | byte 4 | <- cast OOP to char * |
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* +-------------------------------------------+ |
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* | byte 5 | byte 6 | pad to 4 bytes | |
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* +-------------------------------------------+ |
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* |
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*/ |
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typedef struct OOP { |
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unsigned long flags; |
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struct OOP *klass; |
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union { |
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unsigned long word; |
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struct OOP **oops; // instance variables |
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struct OOP *forward; // forwarding pointer + flags (2bits) |
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} ptr; |
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} *OOP; |
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|
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#define CWCAST(st) (struct st*) |
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#define CWPLUGIN(oop) (CWCAST(CWPlugin)(oop)) |
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|
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#define IV_GET(oop,i) oop->ptr.oops[i] |
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#define IV_SET(oop,i,v) oop->ptr.oops[i]=v |
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#define BYTE_GET(oop,i) ((unsigned char *)oop->ptr.oops)[i] |
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#define BYTE_SET(oop,i,v) ((unsigned char *)oop->ptr.oops)[i]=v |
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|
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#define NEWOOP(oop) OOP oop = cw_alloc_oop2() |
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#define OOPSETUP(oop,c,t) do { \ |
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oop->flags = (t); \ |
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oop->klass = (c); \ |
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INIT_FIELDS_CL(oop, c); \ |
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} while (0) |
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#define IDXSETUP(oop,c,t,s) do { \ |
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INIT_FIELDS(oop, s); \ |
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INIT_FL_FIELDS(oop, t, s); \ |
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oop->klass = (c); \ |
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} while (0) |
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#define BYTESSETUP(oop,c,t,s) do { \ |
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INIT_FIELDS(oop, s/SIZEOF_LONG + (s%SIZEOF_LONG*SIZEOF_LONG==0?0:1)); \ |
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INIT_FL_FIELDS(oop, t, s); \ |
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oop->klass = (c); \ |
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} while (0) |
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#define INIT_FL_FIELDS(oop,t,s) \ |
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oop->flags = t | (s > FIELD_MAX ? FIELD_MAX : s) << FIELD_LSHIFT |
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#define INIT_FIELDS_CL(oop,c) \ |
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INIT_FIELDS(oop, FL_FIELDS(Behavior_superclass(c)->flags)) |
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#define INIT_FIELDS(oop,s) cw_init_fields(oop,s) |
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inline void cw_init_fields( OOP oop, long size ); |
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|
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#define ALLOC_N(type,n) (type*)xmalloc2((n),sizeof(type)) |
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#define ALLOC(type) (type*)xmalloc(sizeof(type)) |
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#define REALLOC_N(var,type,n) (var)=(type*)xrealloc2((char*)(var),(n),sizeof(type)) |
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|
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#define MEMZERO(p,type,n) memset((p), 0, sizeof(type)*(n)) |
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#define MEMCPY(p1,p2,type,n) memcpy((p1), (p2), sizeof(type)*(n)) |
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#define MEMMOVE(p1,p2,type,n) memmove((p1), (p2), sizeof(type)*(n)) |
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#define MEMCMP(p1,p2,type,n) memcmp((p1), (p2), sizeof(type)*(n)) |
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|
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#define xmalloc cw_xmalloc |
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#define xmalloc2 cw_xmalloc2 |
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#define xcalloc cw_xcalloc |
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#define xrealloc cw_xrealloc |
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#define xrealloc2 cw_xrealloc2 |
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#define xfree cw_xfree |
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|
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inline void *xmalloc(long); |
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inline void *xmalloc2(long,long); |
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inline void *xcalloc(long,long); |
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inline void *xrealloc(void*,long); |
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inline void *xrealloc2(void*,long,long); |
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inline void xfree(void*); |
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|
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/* |
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* Flags |
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* |
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* 3 2 1 |
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* 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 |
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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* | # fixed fields | unused |o|r|i|w|m|p|1/0| |
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
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* |
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* (1) FL_PTR - the instance variables are pointers or bytes |
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* (1) FL_MARK - the object is marked by GC |
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* (1) FL_EPHEM - the object is ephemeron, not weak |
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* (1) FL_WEAK - weak reference object |
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* (1) FL_IM - the object is immutable |
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* (1) FL_RT - in remenbered table |
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* (1) FL_OLDRT - in old remenbered table |
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* (12) FL_FIELDS - number of fixed fields |
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* |
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* Bottom 2 bits are kept for immediate objects. |
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* Because flags value is used by Behavior>>format as OOP. |
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* |
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* If number of instance variables is greater than FL_FIELDS, |
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* the number is contained in first of instance variables array |
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* (OOP->ptr.oops) as integer object. See also OOP. |
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* |
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*/ |
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|
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#define FIELD_BITS 12 |
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#define FIELD_LSHIFT SIZEOF_LONG*8-FIELD_BITS |
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#define FIELD_MAX (1<<FIELD_BITS) |
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#define FL_PTR 0x100 |
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#define FL_MARK (FL_PTR<<1) |
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#define FL_WEAK (FL_PTR<<2) |
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#define FL_IM (FL_PTR<<3) |
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#define FL_RT (FL_PTR<<4) |
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#define FL_OLDRT (FL_PTR<<5) |
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|
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#define HAS_PTR(x) (x->flags&FL_PTR) |
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#define FL_FIELD_SIZE(f) (unsigned long)RSHIFT(f,FIELD_LSHIFT) |
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#define FL_CL_FIELD_SIZE(x) FL_FIELD_SIZE(FORMAT(x->klass)) |
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#define FL_SP_FIELD_SIZE(x) FL_FIELD_SIZE(FORMAT(Behavior_superclass(x->klass))) |
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#define FORMAT(x) (unsigned long)Behavior_format(x) |
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#define HAS_OPSIZE(x) FL_FIELD_SIZE(x->flags)==FIELD_MAX |
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#define FIELD_SIZE(x) \ |
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(HAS_OPSIZE(x)?SML2ULONG(IV_GET(x,0)):FL_FIELD_SIZE(x->flags)) |
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|
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|
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// |
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// number |
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// |
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|
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#ifdef __STDC__ |
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# include <limits.h> |
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#else |
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# ifndef LONG_MAX |
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# ifdef HAVE_LIMITS_H |
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# include <limits.h> |
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# else |
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/* assuming 32bit(2's compliment) long */ |
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# define LONG_MAX 2147483647 |
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# endif |
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# endif |
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# ifndef LONG_MIN |
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# define LONG_MIN (-LONG_MAX-1) |
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# endif |
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# ifndef CHAR_BIT |
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# define CHAR_BIT 8 |
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# endif |
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#endif |
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|
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#if HAVE_LONG_LONG |
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# ifndef LLONG_MAX |
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# ifdef LONG_LONG_MAX |
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# define LLONG_MAX LONG_LONG_MAX |
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# else |
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# ifdef _I64_MAX |
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# define LLONG_MAX _I64_MAX |
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# else |
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/* assuming 64bit(2's complement) long long */ |
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# define LLONG_MAX 9223372036854775807LL |
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# endif |
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# endif |
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# endif |
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# ifndef LLONG_MIN |
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# ifdef LONG_LONG_MIN |
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# define LLONG_MIN LONG_LONG_MIN |
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# else |
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# ifdef _I64_MIN |
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# define LLONG_MIN _I64_MIN |
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# else |
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# define LLONG_MIN (-LLONG_MAX-1) |
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# endif |
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# endif |
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# endif |
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#endif |
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|
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#define SMLINT_MAX (LONG_MAX>>1) |
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#define SMLINT_MIN RSHIFT((long)LONG_MIN,1) |
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|
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OOP cw_int2inum( long n ); |
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OOP cw_uint2inum( unsigned long n ); |
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#define SMLINT_FLAG 0x01 |
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#define INT2SML(i) ((OOP)(((long)(i))<<2 | SMLINT_FLAG)) |
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#define LONG2SML(i) INT2SML(i) |
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#define INT2NUM(v) cw_int2inum(v) |
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#define LONG2NUM(v) INT2NUM(v) |
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#define UINT2NUM(v) cw_uint2inum(v) |
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#define ULONG2NUM(v) UINT2NUM(v) |
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|
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#define SML2LONG(x) RSHIFT((long)x,2) |
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#define SML2ULONG(x) (((unsigned long)(x))>>2) |
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#define IS_SMLINT(f) (((long)(f))&SMLINT_FLAG) |
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#define POSSMLABLE(f) ((f) <= SMLINT_MAX) |
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#define NEGSMLABLE(f) ((f) >= SMLINT_MIN) |
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#define SMLABLE(f) (POSSMLABLE(f) && NEGSMLABLE(f)) |
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|
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long cw_num2long(OOP); |
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unsigned long cw_num2ulong(OOP); |
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#define NUM2LONG(x) (IS_SMLINT(x)?SML2LONG(x):cw_num2long((OOP)x)) |
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#define NUM2ULONG(x) cw_num2ulong((OOP)x) |
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#if SIZEOF_INT < SIZEOF_LONG |
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long cw_num2int(OOP); |
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#define NUM2INT(x) (IS_SMLINT(x)?SML2INT(x):cw_num2int((OOP)x)) |
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long cw_sml2int(OOP); |
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#define SML2INT(x) cw_sml2int((OOP)x) |
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unsigned long cw_num2uint(OOP); |
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#define NUM2UINT(x) cw_num2uint(x) |
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unsigned long cw_sml2uint(OOP); |
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#define SML2UINT(x) cw_sml2uint(x) |
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#else |
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#define NUM2INT(x) ((int)NUM2LONG(x)) |
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#define NUM2UINT(x) ((unsigned int)NUM2ULONG(x)) |
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#define SML2INT(x) ((int)SML2LONG(x)) |
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#define SML2UINT(x) ((unsigned int)SML2ULONG(x)) |
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#endif |
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|
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#define CHAR_FLAG 0x10 |
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#define INT2CHAR(i) ((OOP)(((long)(i))<<2 | CHAR_FLAG)) |
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#define LONG2CHAR(i) INT2CHAR(i) |
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|
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#define IMMEDIATE_MASK 0x03 |
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#define IS_IMMEDIATE(x) ((OOP)(x) & IMMEDIATE_MASK) |
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|
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// |
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// OOP |
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// |
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|
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OOP CWObject; |
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OOP CWBehavior; |
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OOP CWClassDescription; |
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OOP CWClass; |
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OOP CWMetaclass; |
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OOP CWMethodDictionary; |
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OOP CWCompiledCode; |
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OOP CWCompiledMethod; |
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OOP CWCompiledBlock; |
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OOP CWBoolean; |
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OOP CWTrue; |
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OOP CWFalse; |
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OOP CWUndefinedObject; |
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OOP CWString; |
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OOP CWByteString; |
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OOP CWSymbol; |
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OOP CWByteSymbol; |
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OOP CWArray; |
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OOP CWVariableBinding; |
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OOP CWNameSpace; |
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OOP CWNamedNameSpace; |
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OOP CWClassNameSpace; |
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|
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// namespaces |
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#define NS_ROOT "Smalltalk" |
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#define NS_KERNEL "Kernel" |
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#define NS_COLLECTIONS "Collections" |
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OOP CWCollections; |
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|
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// global variables for bootstrap |
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OOP CWBootSymbols; |
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OOP CWBootClasses; |
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|
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// unique global variable |
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OOP CWRootNameSpace; |
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|
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// pseudo variables |
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#define Pnil ((OOP)0) |
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#define Ptrue ((OOP)0111) |
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#define Pfalse ((OOP)1011) |
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|
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|
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// specify directly for FIELD_SIZE |
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#define Object_FIELD_SIZE 0 |
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|
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#define Behavior_FIELD_SIZE 4 |
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#define Behavior_superclass(oop) oop->ptr.oops[0] |
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#define Behavior_methodDict(oop) oop->ptr.oops[1] |
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#define Behavior_format(oop) oop->ptr.oops[2] |
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#define Behavior_subclasses(oop) oop->ptr.oops[3] |
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|
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#define ClassDescription_FIELD_SIZE 2 |
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#define ClassDescription_instanceVariables(oop) oop->ptr.oops[4] |
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#define ClassDescription_organization(oop) oop->ptr.oops[5] |
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|
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#define Class_FIELD_SIZE 3 |
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#define CLOOP_FIELD_SIZE \ |
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Object_FIELD_SIZE+Behavior_FIELD_SIZE+ClassDescription_FIELD_SIZE+Class_FIELD_SIZE |
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#define Class_name(oop) oop->ptr.oops[6] |
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#define Class_classPool(oop) oop->ptr.oops[7] |
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#define Class_environment(oop) oop->ptr.oops[8] |
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|
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#define Metaclass_FIELD_SIZE 1 |
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#define Metaclass_thisClass(oop) oop->ptr.oops[6] |
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|
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#define Namespace_FIELD_SIZE 4 |
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#define Namespace_organization(oop) oop->ptr.oops[0] |
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#define Namespace_bindings(oop) oop->ptr.oops[1] |
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#define Namespace_specificImports(oop) oop->ptr.oops[2] |
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#define Namespace_generalImports(oop) oop->ptr.oops[3] |
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|
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#define NamedNamespace_FIELD_SIZE 2 |
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#define NamedNamespace_parent(oop) oop->ptr.oops[4] |
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#define NamedNamespace_name(oop) oop->ptr.oops[5] |
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|
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#define ClassNamespace_FIELD_SIZE 1 |
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#define ClassNamespace_owner(oop) oop->ptr.oops[4] |
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|
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#define VariableBinding_FIELD_SIZE 2 |
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#define VariableBinding_path(oop) oop->ptr.oops[0] |
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#define VariableBinding_value(oop) oop->ptr.oops[1] |
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|
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#define Array_FIELD_SIZE 1 |
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#define Array_tally(oop) oop->ptr.oops[0] |
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|
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void cw_init_proto_oops(); |
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void cw_init_dictionary(); |
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|
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// 中身はまだ空のブ・踉札藩僖?薀垢鯤屬 |
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OOP cw_class_boot( OOP super, int fields ); |
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OOP cw_make_metaclass( OOP oop, OOP super ); |
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OOP cw_proto_class( OOP super, int hasPtr, int fields ); |
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|
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OOP cw_boot_intern( char *str ); |
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OOP cw_boot_lookup( char *str ); |
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|
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typedef enum { |
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CWNoneIndexedType, |
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CWObjectsIndexedType, |
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CWBytesIndexedType, |
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CWWeakIndexedType, |
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} CWIndexedType; |
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|
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OOP cw_define_class( OOP namespace, |
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OOP super, |
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int type, |
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int fields, |
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char *category ); |
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OOP cw_define_namespace( OOP namespace, char *name, char *category ); |
| 363 |
OOP cw_find_namespace( char *name ); |
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void cw_class_specific_import( OOP klass, OOP import ); |
| 365 |
void cw_class_general_import( OOP klass, OOP import ); |
| 366 |
void cw_namespace_specific_import( OOP namespace, OOP import ); |
| 367 |
void cw_namespace_general_import( OOP namespace, OOP import ); |
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|
| 369 |
char *cw_class_name( OOP klass ); |
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OOP cw_iv_get( OOP oop, long index ); |
| 371 |
void cw_iv_set( OOP oop, long index, OOP val ); |
| 372 |
OOP cw_object_get( OOP oop, long index ); |
| 373 |
void cw_object_set( OOP oop, long index, OOP val ); |
| 374 |
unsigned char cw_byte_get( OOP oop, long index ); |
| 375 |
void cw_byte_set( OOP oop, long index, unsigned char val ); |
| 376 |
void cw_swap( OOP oop1, OOP oop2 ); |
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|
| 378 |
#define FIELD_PTR(x) (HAS_OPSIZE(x)?x->ptr.oops+1:x->ptr.oops) |
| 379 |
#define BYTE_PTR(type,x) ((type)FIELD_PTR(x)) |
| 380 |
#define BYTESTR_PTR(x) BYTE_PTR(char *,x) |
| 381 |
OOP cw_byte_string_new( const char *ptr, long len ); |
| 382 |
OOP cw_byte_string_new2( const char *ptr ); |
| 383 |
int cw_byte_string_hash( OOP str ); |
| 384 |
int cw_byte_string_cmp( OOP str, OOP other ); |
| 385 |
|
| 386 |
OOP cw_byte_symbol_new( const char *ptr, long len ); |
| 387 |
OOP cw_byte_symbol_new2( const char *ptr ); |
| 388 |
unsigned long cw_symbol_table_size(); |
| 389 |
#define cw_byte_symbol_hash(sym) cw_byte_string_hash(sym) |
| 390 |
#define cw_byte_symbol_cmp(sym,other) cw_byte_string_cmp(sym,other) |
| 391 |
|
| 392 |
OOP cw_array_new( long size ); |
| 393 |
void cw_array_add( OOP ary, OOP obj ); |
| 394 |
OOP cw_data_new( unsigned char *bytes, int size ); |
| 395 |
OOP cw_variable_binding_from_path( char *path ); |
| 396 |
OOP cw_method_dictionary_new( long size ); |
| 397 |
OOP cw_method_dictionary_get( OOP dict, OOP sym ); |
| 398 |
void cw_method_dictionary_set( OOP dict, OOP sym, OOP mth ); |
| 399 |
OOP cw_compiled_method_new(); |
| 400 |
|
| 401 |
#endif /* CARAWAY_H */ |
| 402 |
|
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