ref: bcd381bf900bf7fd5e834a2df777e8e24597d743
dir: /types.c/
#include "equalhash.h" fltype_t *get_type(value_t t) { fltype_t *ft; if (issymbol(t)) { ft = ((symbol_t*)ptr(t))->type; if (ft != NULL) return ft; } void **bp = equalhash_bp(&TypeTable, (void*)t); if (*bp != HT_NOTFOUND) return *bp; int align, isarray=(iscons(t) && car_(t) == arraysym && iscons(cdr_(t))); size_t sz; if (isarray && !iscons(cdr_(cdr_(t)))) { // special case: incomplete array type sz = 0; } else { sz = ctype_sizeof(t, &align); } ft = (fltype_t*)malloc(sizeof(fltype_t)); ft->type = t; if (issymbol(t)) { ft->numtype = sym_to_numtype(t); ((symbol_t*)ptr(t))->type = ft; } else { ft->numtype = N_NUMTYPES; } ft->size = sz; ft->vtable = NULL; ft->artype = NULL; ft->marked = 1; ft->elsz = 0; ft->eltype = NULL; ft->init = NULL; if (iscons(t)) { if (isarray) { fltype_t *eltype = get_type(car_(cdr_(t))); if (eltype->size == 0) { free(ft); lerror(ArgError, "invalid array element type"); } ft->elsz = eltype->size; ft->eltype = eltype; ft->init = &cvalue_array_init; eltype->artype = ft; } else if (car_(t) == enumsym) { ft->numtype = T_INT32; ft->init = &cvalue_enum_init; } } *bp = ft; return ft; } fltype_t *get_array_type(value_t eltype) { fltype_t *et = get_type(eltype); if (et->artype != NULL) return et->artype; return get_type(fl_list2(arraysym, eltype)); } fltype_t *define_opaque_type(value_t sym, size_t sz, cvtable_t *vtab, cvinitfunc_t init) { fltype_t *ft = (fltype_t*)malloc(sizeof(fltype_t)); ft->type = sym; ft->size = sz; ft->numtype = N_NUMTYPES; ft->vtable = vtab; ft->artype = NULL; ft->eltype = NULL; ft->elsz = 0; ft->marked = 1; ft->init = init; return ft; } void relocate_typetable() { htable_t *h = &TypeTable; size_t i; void *nv; for(i=0; i < h->size; i+=2) { if (h->table[i] != HT_NOTFOUND) { nv = (void*)relocate((value_t)h->table[i]); h->table[i] = nv; if (h->table[i+1] != HT_NOTFOUND) ((fltype_t*)h->table[i+1])->type = (value_t)nv; } } }