static void
collect_caller_bindings_iseq(void *arg, const rb_control_frame_t *cfp)
{
struct collect_caller_bindings_data *data = (struct collect_caller_bindings_data *)arg;
VALUE frame = rb_ary_new2(5);
rb_ary_store(frame, CALLER_BINDING_SELF, cfp->self);
rb_ary_store(frame, CALLER_BINDING_CLASS, get_klass(cfp));
rb_ary_store(frame, CALLER_BINDING_BINDING, GC_GUARDED_PTR(cfp)); /* create later */
rb_ary_store(frame, CALLER_BINDING_ISEQ, cfp->iseq ? cfp->iseq->self : Qnil);
rb_ary_store(frame, CALLER_BINDING_CFP, GC_GUARDED_PTR(cfp));
rb_ary_push(data->ary, frame);
}
VALUE
yarv_invoke_Array_each_special_block(VALUE ary)
{
rb_thread_t *th = GET_THREAD();
rb_block_t *orig_block = GC_GUARDED_PTR_REF(th->cfp->lfp[0]);
if (BUILTIN_TYPE(orig_block->iseq) != T_NODE) {
VALUE tsiseqval = yarv_iseq_special_block(orig_block->iseq,
build_Array_each_node);
rb_iseq_t *tsiseq;
VALUE argv[2];
if (tsiseqval) {
VALUE val;
rb_block_t block = *orig_block;
GetISeqPtr(tsiseqval, tsiseq);
block.iseq = tsiseq;
th->cfp->lfp[0] = GC_GUARDED_PTR(&block);
argv[0] = 0;
argv[1] = ary;
val = th_invoke_yield(th, 2, argv);
if (val == Qundef) {
return ary;
}
else {
return val;
}
}
}
return Qundef;
}
VALUE
yarv_invoke_Range_each_special_block(VALUE range,
VALUE beg, VALUE end, int excl)
{
rb_thread_t *th = GET_THREAD();
rb_block_t *orig_block = GC_GUARDED_PTR_REF(th->cfp->lfp[0]);
if (BUILTIN_TYPE(orig_block->iseq) != T_NODE) {
void *builder =
excl ? build_Range_each_node_LT : build_Range_each_node_LE;
VALUE tsiseqval = yarv_iseq_special_block(orig_block->iseq, builder);
rb_iseq_t *tsiseq;
VALUE argv[2];
if (tsiseqval) {
VALUE val;
rb_block_t block = *orig_block;
GetISeqPtr(tsiseqval, tsiseq);
block.iseq = tsiseq;
th->cfp->lfp[0] = GC_GUARDED_PTR(&block);
argv[0] = beg;
argv[1] = end;
val = th_invoke_yield(th, 2, argv);
if (val == Qundef) {
return range;
}
else {
return val;
}
}
}
return Qundef;
}
VALUE
yarv_invoke_Integer_times_special_block(VALUE num)
{
rb_thread_t *th = GET_THREAD();
rb_block_t *orig_block = GC_GUARDED_PTR_REF(th->cfp->lfp[0]);
if (orig_block && BUILTIN_TYPE(orig_block->iseq) != T_NODE) {
VALUE tsiseqval = yarv_iseq_special_block(orig_block->iseq,
build_Integer_times_node);
rb_iseq_t *tsiseq;
VALUE argv[2], val;
if (tsiseqval) {
rb_block_t block = *orig_block;
GetISeqPtr(tsiseqval, tsiseq);
block.iseq = tsiseq;
th->cfp->lfp[0] = GC_GUARDED_PTR(&block);
argv[0] = INT2FIX(0);
argv[1] = num;
val = th_invoke_yield(th, 2, argv);
if (val == Qundef) {
return num;
}
else {
return val;
}
}
}
return Qundef;
}
static inline rb_control_frame_t *
vm_push_frame(rb_thread_t * th, const rb_iseq_t * iseq,
VALUE type, VALUE self, VALUE specval,
const VALUE *pc, VALUE *sp, VALUE *lfp,
int local_size)
{
rb_control_frame_t * const cfp = th->cfp - 1;
int i;
if ((void *)(sp + local_size) >= (void *)cfp) {
rb_exc_raise(sysstack_error);
}
th->cfp = cfp;
/* setup vm value stack */
/* nil initialize */
for (i=0; i < local_size; i++) {
*sp = Qnil;
sp++;
}
/* set special val */
*sp = GC_GUARDED_PTR(specval);
if (lfp == 0) {
lfp = sp;
}
/* setup vm control frame stack */
cfp->pc = (VALUE *)pc;
cfp->sp = sp + 1;
cfp->bp = sp + 1;
cfp->iseq = (rb_iseq_t *) iseq;
cfp->flag = type;
cfp->self = self;
cfp->lfp = lfp;
cfp->dfp = sp;
cfp->block_iseq = 0;
cfp->proc = 0;
cfp->me = 0;
#define COLLECT_PROFILE 0
#if COLLECT_PROFILE
cfp->prof_time_self = clock();
cfp->prof_time_chld = 0;
#endif
if (VMDEBUG == 2) {
SDR();
}
return cfp;
}
static void
collect_caller_bindings_cfunc(void *arg, const rb_control_frame_t *cfp, ID mid)
{
struct collect_caller_bindings_data *data = (struct collect_caller_bindings_data *)arg;
VALUE frame = rb_ary_new2(5);
rb_ary_store(frame, CALLER_BINDING_SELF, cfp->self);
rb_ary_store(frame, CALLER_BINDING_CLASS, get_klass(cfp));
rb_ary_store(frame, CALLER_BINDING_BINDING, Qnil); /* not available */
rb_ary_store(frame, CALLER_BINDING_ISEQ, Qnil); /* not available */
rb_ary_store(frame, CALLER_BINDING_CFP, GC_GUARDED_PTR(cfp));
rb_ary_push(data->ary, frame);
}
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 inline VALUE
invoke_block_from_c(rb_thread_t *th, const rb_block_t *block,
VALUE self, int argc, const VALUE *argv,
const rb_block_t *blockptr, const NODE *cref)
{
if (SPECIAL_CONST_P(block->iseq))
return Qnil;
else if (BUILTIN_TYPE(block->iseq) != T_NODE) {
const rb_iseq_t *iseq = block->iseq;
const rb_control_frame_t *cfp;
rb_control_frame_t *ncfp;
int i, opt_pc, arg_size = iseq->arg_size;
int type = block_proc_is_lambda(block->proc) ?
VM_FRAME_MAGIC_LAMBDA : VM_FRAME_MAGIC_BLOCK;
rb_vm_set_finish_env(th);
cfp = th->cfp;
CHECK_STACK_OVERFLOW(cfp, argc + iseq->stack_max);
for (i=0; i<argc; i++) {
cfp->sp[i] = argv[i];
}
opt_pc = vm_yield_setup_args(th, iseq, argc, cfp->sp, blockptr,
type == VM_FRAME_MAGIC_LAMBDA);
ncfp = vm_push_frame(th, iseq, type,
self, GC_GUARDED_PTR(block->dfp),
iseq->iseq_encoded + opt_pc, cfp->sp + arg_size, block->lfp,
iseq->local_size - arg_size);
ncfp->me = th->passed_me;
th->passed_me = 0;
th->passed_block = blockptr;
if (cref) {
th->cfp->dfp[-1] = (VALUE)cref;
}
return vm_exec(th);
}
else {
return vm_yield_with_cfunc(th, block, self, argc, argv, blockptr);
}
}
static inline VALUE
vm_yield_with_cfunc(rb_thread_t *th, const rb_block_t *block,
VALUE self, int argc, const VALUE *argv,
const rb_block_t *blockargptr)
{
NODE *ifunc = (NODE *) block->iseq;
VALUE val, arg, blockarg;
int lambda = block_proc_is_lambda(block->proc);
if (lambda) {
arg = rb_ary_new4(argc, argv);
}
else if (argc == 0) {
arg = Qnil;
}
else {
arg = argv[0];
}
if (blockargptr) {
if (blockargptr->proc) {
blockarg = blockargptr->proc;
}
else {
blockarg = rb_vm_make_proc(th, blockargptr, rb_cProc);
}
}
else {
blockarg = Qnil;
}
vm_push_frame(th, (rb_iseq_t *)ifunc, VM_FRAME_MAGIC_IFUNC,
self, (VALUE)block->dfp,
0, th->cfp->sp, block->lfp, 1);
if (blockargptr) {
th->cfp->lfp[0] = GC_GUARDED_PTR((VALUE)blockargptr);
}
val = (*ifunc->nd_cfnc) (arg, ifunc->nd_tval, argc, argv, blockarg);
th->cfp++;
return val;
}
static void
vm_set_eval_stack(rb_thread_t * th, VALUE iseqval, const NODE *cref)
{
rb_iseq_t *iseq;
rb_block_t * const block = th->base_block;
GetISeqPtr(iseqval, iseq);
/* for return */
rb_vm_set_finish_env(th);
vm_push_frame(th, iseq, VM_FRAME_MAGIC_EVAL, block->self,
GC_GUARDED_PTR(block->dfp), iseq->iseq_encoded,
th->cfp->sp, block->lfp, iseq->local_size);
if (cref) {
th->cfp->dfp[-1] = (VALUE)cref;
}
CHECK_STACK_OVERFLOW(th->cfp, iseq->stack_max);
}
static VALUE
yield_under(VALUE under, VALUE self, VALUE values)
{
rb_thread_t *th = GET_THREAD();
rb_block_t block, *blockptr;
NODE *cref = vm_cref_push(th, under, NOEX_PUBLIC);
if ((blockptr = GC_GUARDED_PTR_REF(th->cfp->lfp[0])) != 0) {
block = *blockptr;
block.self = self;
th->cfp->lfp[0] = GC_GUARDED_PTR(&block);
}
if (values == Qundef) {
return vm_yield_with_cref(th, 0, 0, cref);
}
else {
return vm_yield_with_cref(th, RARRAY_LEN(values), RARRAY_PTR(values), cref);
}
}
static VALUE
yarv_iseq_special_block(rb_iseq_t *iseq, void *builder)
{
#if OPT_BLOCKINLINING
VALUE parent = Qfalse;
VALUE iseqval;
if (iseq->argc > 1 || iseq->arg_simple == 0) {
/* argument check */
return 0;
}
if (iseq->cached_special_block_builder) {
if (iseq->cached_special_block_builder == builder) {
return iseq->cached_special_block;
}
else {
return 0;
}
}
else {
iseq->cached_special_block_builder = (void *)1;
}
if (iseq->parent_iseq) {
parent = iseq->parent_iseq->self;
}
iseqval = rb_iseq_new_with_bopt(iseq->node, iseq->name, iseq->filename,
parent, iseq->type,
GC_GUARDED_PTR(builder));
if (0) {
printf("%s\n", RSTRING_PTR(ruby_iseq_disasm(iseqval)));
}
iseq->cached_special_block = iseqval;
iseq->cached_special_block_builder = builder;
return iseqval;
#else
return 0;
#endif
}
static VALUE
vm_make_env_each(rb_thread_t * const th, rb_control_frame_t * const cfp,
VALUE *envptr, VALUE * const endptr)
{
VALUE envval, penvval = 0;
rb_env_t *env;
VALUE *nenvptr;
int i, local_size;
if (ENV_IN_HEAP_P(th, envptr)) {
return ENV_VAL(envptr);
}
if (envptr != endptr) {
VALUE *penvptr = GC_GUARDED_PTR_REF(*envptr);
rb_control_frame_t *pcfp = cfp;
if (ENV_IN_HEAP_P(th, penvptr)) {
penvval = ENV_VAL(penvptr);
}
else {
while (pcfp->dfp != penvptr) {
pcfp++;
if (pcfp->dfp == 0) {
SDR();
rb_bug("invalid dfp");
}
}
penvval = vm_make_env_each(th, pcfp, penvptr, endptr);
cfp->lfp = pcfp->lfp;
*envptr = GC_GUARDED_PTR(pcfp->dfp);
}
}
/* allocate env */
envval = env_alloc();
GetEnvPtr(envval, env);
if (!RUBY_VM_NORMAL_ISEQ_P(cfp->iseq)) {
local_size = 2;
}
else {
local_size = cfp->iseq->local_size;
}
env->env_size = local_size + 1 + 2;
env->local_size = local_size;
env->env = ALLOC_N(VALUE, env->env_size);
env->prev_envval = penvval;
for (i = 0; i <= local_size; i++) {
env->env[i] = envptr[-local_size + i];
#if 0
fprintf(stderr, "%2d ", &envptr[-local_size + i] - th->stack); dp(env->env[i]);
if (RUBY_VM_NORMAL_ISEQ_P(cfp->iseq)) {
/* clear value stack for GC */
envptr[-local_size + i] = 0;
}
#endif
}
*envptr = envval; /* GC mark */
nenvptr = &env->env[i - 1];
nenvptr[1] = envval; /* frame self */
nenvptr[2] = penvval; /* frame prev env object */
/* reset lfp/dfp in cfp */
cfp->dfp = nenvptr;
if (envptr == endptr) {
cfp->lfp = nenvptr;
}
/* as Binding */
env->block.self = cfp->self;
env->block.lfp = cfp->lfp;
env->block.dfp = cfp->dfp;
env->block.iseq = cfp->iseq;
if (!RUBY_VM_NORMAL_ISEQ_P(cfp->iseq)) {
/* TODO */
env->block.iseq = 0;
}
return envval;
}