PUBLIC OVECTOR getcont_from(VMSTATE vms) { OVECTOR cont; VECTOR cstk; int i; cont = newovector_noinit(CONT_MAXSLOTINDEX, T_CONTINUATION); ATPUT(cont, CONT_FRAME, (OBJ) vms->r->vm_frame); cstk = newvector_noinit(vms->c.vm_top); ATPUT(cont, CONT_STACK, (OBJ) cstk); for (i = 0; i < vms->c.vm_top; i++) ATPUT(cstk, i, AT(vms->r->vm_stack, i)); return cont; }
PRIVATE void compile_main(FILE *conni, FILE *conno) { REPL_DATA rd = allocmem(sizeof(repl_data)); VMstate vms; rd->h1 = rd->h2 = NULL; protect(&rd->h1); protect(&rd->h2); rd->vmregs = (VMREGS) newvector(NUM_VMREGS); /* dodgy casting :-) */ vms.r = rd->vmregs; protect((OBJ *)(&rd->vmregs)); init_vm(&vms); vms.c.vm_state = VM_STATE_NOQUOTA; while (vms.c.vm_state != VM_STATE_DYING) { ScanInst si; char buf[16384]; rd->h1 = (OBJ) newbvector(0); while (1) { char *result; result = fgets(buf, 256, conni); if (result == NULL) break; while (1) { int l = strlen(buf); if (buf[l-1] == '\r' || buf[l-1] == '\n') buf[l-1] = '\0'; else break; } strcat(buf, "\n"); if (!strcmp(buf, ".\n")) break; rd->h2 = (OBJ) newstring(buf); rd->h1 = (OBJ) bvector_concat((BVECTOR) rd->h1, (BVECTOR) rd->h2); } gc_reach_safepoint(); rd->h2 = (OBJ) newstringconn((BVECTOR) rd->h1); fill_scaninst(&si, (OVECTOR) rd->h2); while (!conn_closed((OVECTOR) rd->h2)) { rd->h1 = (OBJ) parse(&vms, &si); gc_reach_safepoint(); if (rd->h1 == NULL) { sprintf(buf, "-->! the compiler returned NULL.\n"); } else { vms.c.vm_state = VM_STATE_NOQUOTA; ATPUT((OVECTOR) rd->h1, ME_OWNER, (OBJ) vms.r->vm_uid); vms.r->vm_effuid = vms.r->vm_uid; { OVECTOR c = newovector_noinit(CL_MAXSLOTINDEX, T_CLOSURE); ATPUT(c, CL_SELF, NULL); ATPUT(c, CL_METHOD, rd->h1); rd->h1 = (OBJ) c; } apply_closure(&vms, (OVECTOR) rd->h1, newvector_noinit(1)); while (!run_vm(&vms)) ; rd->h1 = (OBJ) newvector(2); ATPUT((VECTOR) rd->h1, 0, NULL); ATPUT((VECTOR) rd->h1, 1, vms.r->vm_acc); rd->h1 = lookup_prim(0x00001, NULL)(&vms, (VECTOR) rd->h1); rd->h1 = (OBJ) bvector_concat((BVECTOR) rd->h1, newbvector(1)); /* terminates C-string */ gc_reach_safepoint(); sprintf(buf, "--> %s\n", ((BVECTOR) rd->h1)->vec); } fputs(buf, conno); } } unprotect((OBJ *)(&rd->vmregs)); unprotect(&rd->h2); unprotect(&rd->h1); freemem(rd); }