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- /* Declarations for bytecode operations.
- This file is part of khipu.
- khipu is free software: you can redistribute it and/or modify
- it under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public License
- along with this program. If not, see <https://www.gnu.org/licenses/>. */
- #ifndef __KP_BYTECODE__
- #define __KP_BYTECODE__ 1
- #include "defs.hpp"
- KP_DECLS_BEGIN
- enum
- {
- OP_NOP,
- OP_DUP,
- OP_POP,
- OP_RET,
- OP_IS,
- OP_NOT,
- OP_CONS,
- OP_CAR,
- OP_CDR,
- OP_CADR,
- OP_APPLY,
- OP_TAPPLY,
- OP_LOADT,
- OP_LOADNIL,
- OP_LOAD0,
- OP_LOAD1,
- OP_LOADA0,
- OP_LOADA1,
- OP_LOADC00,
- OP_LOADC01,
- OP_MKCONT,
- OP_CLOSURE,
- OP_VFRAME,
- OP_TRYEND,
- OP_LDCALLER,
- OP_CLREXC,
- OP_SYMNAME,
- OP_SYMPKG,
- OP_COROVAL,
- OP_TYPEP,
- OP_TYPEP2,
- OP_RAISE,
- // Opcodes with long forms.
- OP_LOADI8,
- OP_LOADI32,
- OP_LOADCHR8,
- OP_LOADCHR32,
- OP_VARGC,
- OP_VARGCL,
- OP_JMP,
- OP_JMPL,
- OP_BRT,
- OP_BRTL,
- OP_BRN,
- OP_BRNL,
- OP_BRNEQ,
- OP_BRNEQL,
- OP_TCALL,
- OP_TCALLL,
- OP_CALL,
- OP_CALLL,
- OP_RECUR,
- OP_RECURL,
- OP_TRECUR,
- OP_TRECURL,
- OP_SETC0,
- OP_SETC0L,
- OP_SETC,
- OP_SETCL,
- OP_SETA,
- OP_SETAL,
- OP_SETG,
- OP_SETGL,
- OP_SETFGS,
- OP_SETFGSL,
- OP_LOADC0,
- OP_LOADC0L,
- OP_LOADC,
- OP_LOADCL,
- OP_LOADA,
- OP_LOADAL,
- OP_LOADG,
- OP_LOADGL,
- OP_LOADV,
- OP_LOADVL,
- OP_LOADX,
- OP_LOADXL,
- OP_LOADFGS,
- OP_LOADFGSL,
- OP_BIND,
- OP_BINDL,
- OP_TRYBEGIN,
- OP_TRYBEGINL,
- OP_SETAPOP,
- OP_SETAPOPL,
- OP_IRTJMP,
- OP_IRTJMPL,
- OP_OPTARGS,
- OP_OPTARGSL,
- OP_BRBOUND,
- OP_BRBOUNDL,
- OP_KWARGS,
- OP_KWARGSL,
- OP_JMPT,
- OP_JMPTL,
- OP_JMPN,
- OP_JMPNL,
- OP_BOX,
- OP_BOXL,
- OP_LOADB,
- OP_LOADBL,
- OP_SETB,
- OP_SETBL,
- OP_SKIP,
- OP_SKIPL,
- OP_UNBIND,
- OP_UNBINDL
- };
- struct bcode_instr
- {
- uint16_t name_off;
- uint16_t flg_ex;
- static const int BC_FLG_FBIT = 2;
- static const int BC_OPS_MASK = (1 << BC_FLG_FBIT) - 1;
- #define F_(n) (1 << (BC_FLG_FBIT + n))
- static const int BC_CALL_FORM = F_(0);
- static const int BC_LOAD_FORM = F_(1);
- static const int BC_BRANCH_FORM = F_(2);
- static const int BC_LONG_FORM = F_(3);
- static const int BC_PURE_FORM = F_(4);
- #undef F_
- int opcode () const;
- const char* name () const;
- int nops () const
- {
- return (this->flg_ex & BC_OPS_MASK);
- }
- bool branch_p () const
- {
- return ((this->flg_ex & BC_BRANCH_FORM) != 0);
- }
- bool long_p () const
- {
- return ((this->flg_ex & BC_LONG_FORM) != 0);
- }
- bool loadf_p () const
- {
- return ((this->flg_ex & BC_LOAD_FORM) != 0);
- }
- bool callf_p () const
- {
- return ((this->flg_ex & BC_CALL_FORM) != 0);
- }
- bool pure_p () const
- {
- return ((this->flg_ex & BC_PURE_FORM) != 0);
- }
- int argsize () const
- {
- return (this->long_p () ? sizeof (int32_t) :
- (this->branch_p () ? sizeof (int16_t) : 1));
- }
- uint32_t getuarg (const void *ptr) const
- {
- switch (this->argsize ())
- {
- case sizeof (uint32_t):
- return ((uint32_t)get32 (ptr));
- case sizeof (uint16_t):
- return ((uint16_t)get16 (ptr));
- default:
- return (*(uint8_t *)ptr);
- }
- }
- int getsarg (const void *ptr) const
- {
- switch (this->argsize ())
- {
- case sizeof (int32_t):
- return ((int32_t)get32 (ptr));
- case sizeof (int16_t):
- return ((int16_t)get16 (ptr));
- default:
- return (*(int8_t *)ptr);
- }
- }
- };
- KP_EXPORT const bcode_instr* bcode_get (int opc) __attribute__ ((pure));
- inline const char* bcode_name (int opc)
- {
- return (bcode_get(opc)->name ());
- }
- inline int
- bcode_nops (int opc)
- {
- return (bcode_get(opc)->nops ());
- }
- inline bool
- bcode_branch_p (int opc)
- {
- return (bcode_get(opc)->branch_p ());
- }
- inline bool
- bcode_long_p (int opc)
- {
- return (bcode_get(opc)->long_p ());
- }
- KP_DECLS_END
- #endif
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