555 //case 'Z': case 'B': case 'C': case 'S':
556 default:
557 return false;
558 }
559 }
560 return true;
561 }
562
563 Symbol* MethodHandles::lookup_basic_type_signature(Symbol* sig, bool keep_last_arg, TRAPS) {
564 Symbol* bsig = NULL;
565 if (sig == NULL) {
566 return sig;
567 } else if (is_basic_type_signature(sig)) {
568 sig->increment_refcount();
569 return sig; // that was easy
570 } else if (sig->char_at(0) != '(') {
571 BasicType bt = char2type(sig->char_at(0));
572 if (is_subword_type(bt)) {
573 bsig = vmSymbols::int_signature();
574 } else {
575 assert(bt == T_OBJECT || bt == T_ARRAY, "is_basic_type_signature was false");
576 bsig = vmSymbols::object_signature();
577 }
578 } else {
579 ResourceMark rm;
580 stringStream buffer(128);
581 buffer.put('(');
582 int arg_pos = 0, keep_arg_pos = -1;
583 if (keep_last_arg)
584 keep_arg_pos = ArgumentCount(sig).size() - 1;
585 for (SignatureStream ss(sig); !ss.is_done(); ss.next()) {
586 BasicType bt = ss.type();
587 size_t this_arg_pos = buffer.size();
588 if (ss.at_return_type()) {
589 buffer.put(')');
590 }
591 if (arg_pos == keep_arg_pos) {
592 buffer.write((char*) ss.raw_bytes(),
593 (int) ss.raw_length());
594 } else if (bt == T_OBJECT || bt == T_ARRAY) {
595 buffer.write(OBJ_SIG, OBJ_SIG_LEN);
596 } else {
597 if (is_subword_type(bt))
598 bt = T_INT;
599 buffer.put(type2char(bt));
600 }
601 arg_pos++;
602 }
603 const char* sigstr = buffer.base();
604 int siglen = (int) buffer.size();
605 bsig = SymbolTable::new_symbol(sigstr, siglen);
606 }
607 assert(is_basic_type_signature(bsig) ||
608 // detune assert in case the injected argument is not a basic type:
609 keep_last_arg, "");
610 return bsig;
611 }
612
613 void MethodHandles::print_as_basic_type_signature_on(outputStream* st,
614 Symbol* sig,
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555 //case 'Z': case 'B': case 'C': case 'S':
556 default:
557 return false;
558 }
559 }
560 return true;
561 }
562
563 Symbol* MethodHandles::lookup_basic_type_signature(Symbol* sig, bool keep_last_arg, TRAPS) {
564 Symbol* bsig = NULL;
565 if (sig == NULL) {
566 return sig;
567 } else if (is_basic_type_signature(sig)) {
568 sig->increment_refcount();
569 return sig; // that was easy
570 } else if (sig->char_at(0) != '(') {
571 BasicType bt = char2type(sig->char_at(0));
572 if (is_subword_type(bt)) {
573 bsig = vmSymbols::int_signature();
574 } else {
575 assert(is_reference_type(bt), "is_basic_type_signature was false");
576 bsig = vmSymbols::object_signature();
577 }
578 } else {
579 ResourceMark rm;
580 stringStream buffer(128);
581 buffer.put('(');
582 int arg_pos = 0, keep_arg_pos = -1;
583 if (keep_last_arg)
584 keep_arg_pos = ArgumentCount(sig).size() - 1;
585 for (SignatureStream ss(sig); !ss.is_done(); ss.next()) {
586 BasicType bt = ss.type();
587 size_t this_arg_pos = buffer.size();
588 if (ss.at_return_type()) {
589 buffer.put(')');
590 }
591 if (arg_pos == keep_arg_pos) {
592 buffer.write((char*) ss.raw_bytes(),
593 (int) ss.raw_length());
594 } else if (is_reference_type(bt)) {
595 buffer.write(OBJ_SIG, OBJ_SIG_LEN);
596 } else {
597 if (is_subword_type(bt))
598 bt = T_INT;
599 buffer.put(type2char(bt));
600 }
601 arg_pos++;
602 }
603 const char* sigstr = buffer.base();
604 int siglen = (int) buffer.size();
605 bsig = SymbolTable::new_symbol(sigstr, siglen);
606 }
607 assert(is_basic_type_signature(bsig) ||
608 // detune assert in case the injected argument is not a basic type:
609 keep_last_arg, "");
610 return bsig;
611 }
612
613 void MethodHandles::print_as_basic_type_signature_on(outputStream* st,
614 Symbol* sig,
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