VALUE rb_vm_make_proc(rb_thread_t *th, const rb_block_t *block, VALUE klass) { VALUE procval, envval, blockprocval = 0; rb_proc_t *proc; rb_control_frame_t *cfp = RUBY_VM_GET_CFP_FROM_BLOCK_PTR(block); if (block->proc) { rb_bug("rb_vm_make_proc: Proc value is already created."); } if (GC_GUARDED_PTR_REF(cfp->lfp[0])) { rb_proc_t *p; blockprocval = vm_make_proc_from_block( th, (rb_block_t *)GC_GUARDED_PTR_REF(*cfp->lfp)); GetProcPtr(blockprocval, p); *cfp->lfp = GC_GUARDED_PTR(&p->block); } envval = rb_vm_make_env_object(th, cfp); if (PROCDEBUG) { check_env_value(envval); } procval = rb_proc_alloc(klass); GetProcPtr(procval, proc); proc->blockprocval = blockprocval; proc->block.self = block->self; proc->block.lfp = block->lfp; proc->block.dfp = block->dfp; proc->block.iseq = block->iseq; proc->block.proc = procval; proc->envval = envval; proc->safe_level = th->safe_level; if (VMDEBUG) { if (th->stack < block->dfp && block->dfp < th->stack + th->stack_size) { rb_bug("invalid ptr: block->dfp"); } if (th->stack < block->lfp && block->lfp < th->stack + th->stack_size) { rb_bug("invalid ptr: block->lfp"); } } return procval; }
static VALUE proc_dup(VALUE self) { VALUE procval = rb_proc_alloc(rb_cProc); rb_proc_t *src, *dst; GetProcPtr(self, src); GetProcPtr(procval, dst); dst->block = src->block; dst->block.proc = procval; dst->envval = src->envval; dst->safe_level = src->safe_level; dst->is_lambda = src->is_lambda; return procval; }