8 void naFree(void* m) { free(m); }
9 void* naAlloc(int n) { return malloc(n); }
10 void naBZero(void* m, int n) { memset(m, 0, n); }
12 naRef naObj(int type, struct naObj* o)
15 r.ref.reftag = NASAL_REFTAG;
23 if(IS_NIL(r)) return 0;
24 if(IS_NUM(r)) return r.num != 0;
25 if(IS_STR(r)) return 1;
29 naRef naNumValue(naRef n)
32 if(IS_NUM(n)) return n;
33 if(IS_NIL(n)) return naNil();
34 if(IS_STR(n) && naStr_tonum(n, &d))
39 naRef naStringValue(naContext c, naRef r)
41 if(IS_NIL(r) || IS_STR(r)) return r;
43 naRef s = naNewString(c);
44 naStr_fromnum(s, r.num);
50 naRef naNew(struct Context* c, int type)
52 if(c->nfree[type] == 0)
53 c->free[type] = naGC_get(&globals->pools[type],
54 OBJ_CACHE_SZ, &c->nfree[type]);
55 naRef result = naObj(type, c->free[type][--c->nfree[type]]);
56 naVec_append(c->temps, result);
60 naRef naNewString(struct Context* c)
62 naRef s = naNew(c, T_STR);
63 s.ref.ptr.str->len = 0;
64 s.ref.ptr.str->data = 0;
65 s.ref.ptr.str->hashcode = 0;
69 naRef naNewVector(struct Context* c)
71 naRef r = naNew(c, T_VEC);
72 r.ref.ptr.vec->rec = 0;
76 naRef naNewHash(struct Context* c)
78 naRef r = naNew(c, T_HASH);
79 r.ref.ptr.hash->rec = 0;
83 naRef naNewCode(struct Context* c)
85 return naNew(c, T_CODE);
88 naRef naNewCCode(struct Context* c, naCFunction fptr)
90 naRef r = naNew(c, T_CCODE);
91 r.ref.ptr.ccode->fptr = fptr;
95 naRef naNewFunc(struct Context* c, naRef code)
97 naRef func = naNew(c, T_FUNC);
98 func.ref.ptr.func->code = code;
99 func.ref.ptr.func->namespace = naNil();
100 func.ref.ptr.func->next = naNil();
104 naRef naNewGhost(naContext c, naGhostType* type, void* ptr)
106 naRef ghost = naNew(c, T_GHOST);
107 ghost.ref.ptr.ghost->gtype = type;
108 ghost.ref.ptr.ghost->ptr = ptr;
112 naGhostType* naGhost_type(naRef ghost)
114 if(!IS_GHOST(ghost)) return 0;
115 return ghost.ref.ptr.ghost->gtype;
118 void* naGhost_ptr(naRef ghost)
120 if(!IS_GHOST(ghost)) return 0;
121 return ghost.ref.ptr.ghost->ptr;
127 r.ref.reftag = NASAL_REFTAG;
132 naRef naNum(double num)
135 r.ref.reftag = ~NASAL_REFTAG;
140 int naEqual(naRef a, naRef b)
143 if(IS_REF(a) && IS_REF(b) && a.ref.ptr.obj == b.ref.ptr.obj)
144 return 1; // Object identity (and nil == nil)
145 if(IS_NIL(a) || IS_NIL(b))
147 if(IS_NUM(a) && IS_NUM(b) && a.num == b.num)
148 return 1; // Numeric equality
149 if(IS_STR(a) && IS_STR(b) && naStr_equal(a, b))
150 return 1; // String equality
152 // Numeric equality after conversion
153 if(IS_NUM(a)) { na = a.num; }
154 else if(!(IS_STR(a) && naStr_tonum(a, &na))) { return 0; }
156 if(IS_NUM(b)) { nb = b.num; }
157 else if(!(IS_STR(b) && naStr_tonum(b, &nb))) { return 0; }
159 return na == nb ? 1 : 0;
162 int naStrEqual(naRef a, naRef b)
165 if(!(IS_STR(a) && IS_STR(b)))
167 if(a.ref.ptr.str->len != b.ref.ptr.str->len)
169 for(i=0; i<a.ref.ptr.str->len; i++)
170 if(a.ref.ptr.str->data[i] != b.ref.ptr.str->data[i])
175 int naTypeSize(int type)
178 case T_STR: return sizeof(struct naStr);
179 case T_VEC: return sizeof(struct naVec);
180 case T_HASH: return sizeof(struct naHash);
181 case T_CODE: return sizeof(struct naCode);
182 case T_FUNC: return sizeof(struct naFunc);
183 case T_CCODE: return sizeof(struct naCCode);
184 case T_GHOST: return sizeof(struct naGhost);
186 return 0x7fffffff; // Make sure the answer is nonsense :)
199 int naIsString(naRef r)
201 return (!IS_NIL(r))&&IS_STR(r);
204 int naIsScalar(naRef r)
209 int naIsVector(naRef r)
211 return (!IS_NIL(r))&&IS_VEC(r);
214 int naIsHash(naRef r)
216 return (!IS_NIL(r))&&IS_HASH(r);
219 int naIsFunc(naRef r)
221 return (!IS_NIL(r))&&IS_FUNC(r);
224 int naIsCode(naRef r)
229 int naIsCCode(naRef r)
234 int naIsGhost(naRef r)