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opcode.h
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opcode.h
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#ifdef OP_FMT
OP_FMT(none)
OP_FMT(u8)
OP_FMT(i8)
OP_FMT(u16)
OP_FMT(i16)
OP_FMT(u32)
OP_FMT(i32)
OP_FMT(atom)
OP_FMT(atom_u8)
OP_FMT(label)
OP_FMT(label8)
OP_FMT(loc)
OP_FMT(loc8)
OP_FMT(loc_atom)
OP_FMT(arg)
OP_FMT(const)
OP_FMT(const8)
OP_FMT(npop)
OP_FMT(var_ref)
#undef OP_FMT
#endif
#ifdef OP_DEF
#ifndef op_def
#define op_def(name, size, n_pop, n_push, f) OP_DEF(name, size, n_pop, n_push, f)
#endif
OP_DEF( INVALID, 1, 0, 0, none)
OP_DEF( CONST, 5, 0, 1, const) /* push constant pool[idx] */
OP_DEF( CONST_I8, 2, 0, 1, i8) /* push small integer */
OP_DEF( CONST8, 2, 0, 1, const8) /* push constant pool[u8 idx] */
OP_DEF( UNDEF, 1, 0, 1, none)
OP_DEF( NULL, 1, 0, 1, none)
OP_DEF( TRUE, 1, 0, 1, none)
OP_DEF( FALSE, 1, 0, 1, none)
OP_DEF( THIS, 1, 0, 1, none) /* push current 'this' */
OP_DEF( GLOBAL, 1, 0, 1, none) /* push 'globalThis' (js->global) */
OP_DEF( OBJECT, 1, 0, 1, none) /* push empty object {} */
OP_DEF( ARRAY, 3, 0, 1, npop) /* push array from stack items */
OP_DEF( REGEXP, 1, 2, 1, none) /* pattern flags -> regexp */
OP_DEF( CLOSURE, 5, 0, 1, const) /* push closure from func pool */
OP_DEF( POP, 1, 1, 0, none) /* a -> */
OP_DEF( DUP, 1, 1, 2, none) /* a -> a a */
OP_DEF( DUP2, 1, 2, 4, none) /* a b -> a b a b */
OP_DEF( SWAP, 1, 2, 2, none) /* a b -> b a */
OP_DEF( ROT3L, 1, 3, 3, none) /* x a b -> a b x */
OP_DEF( ROT3R, 1, 3, 3, none) /* a b x -> x a b */
OP_DEF( NIP, 1, 2, 1, none) /* a b -> b */
OP_DEF( NIP2, 1, 3, 1, none) /* a b c -> c */
OP_DEF( INSERT2, 1, 2, 3, none) /* obj a -> a obj a */
OP_DEF( INSERT3, 1, 3, 4, none) /* obj prop a -> a obj prop a */
OP_DEF( SWAP_UNDER, 1, 3, 3, none) /* a b c -> b a c */
OP_DEF( ROT4_UNDER, 1, 4, 4, none) /* a b c d -> c a b d */
OP_DEF( GET_LOCAL, 3, 0, 1, loc)
OP_DEF( PUT_LOCAL, 3, 1, 0, loc) /* store, consume */
OP_DEF( SET_LOCAL, 3, 1, 1, loc) /* store, keep on stack */
OP_DEF( GET_LOCAL8, 2, 0, 1, loc8) /* short encoding */
OP_DEF( PUT_LOCAL8, 2, 1, 0, loc8)
OP_DEF( SET_LOCAL8, 2, 1, 1, loc8)
OP_DEF( SET_LOCAL_UNDEF, 3, 0, 0, loc) /* mark TDZ uninitialized */
OP_DEF( GET_LOCAL_CHK, 7, 0, 1, loc_atom) /* get + TDZ check (u16 slot, u32 atom) */
OP_DEF( PUT_LOCAL_CHK, 7, 1, 0, loc_atom) /* put + TDZ check (u16 slot, u32 atom) */
OP_DEF( GET_ARG, 3, 0, 1, arg)
OP_DEF( PUT_ARG, 3, 1, 0, arg)
OP_DEF( SET_ARG, 3, 1, 1, arg)
OP_DEF( REST, 3, 0, 1, u16) /* collect rest params */
OP_DEF( GET_UPVAL, 3, 0, 1, var_ref)
OP_DEF( PUT_UPVAL, 3, 1, 0, var_ref)
OP_DEF( SET_UPVAL, 3, 1, 1, var_ref)
OP_DEF( CLOSE_UPVAL, 3, 0, 0, loc) /* close upvalues >= loc */
OP_DEF( GET_GLOBAL, 5, 0, 1, atom) /* push global[atom] */
OP_DEF( GET_GLOBAL_UNDEF, 5, 0, 1, atom) /* push undefined if missing */
OP_DEF( PUT_GLOBAL, 5, 1, 0, atom) /* global[atom] = TOS */
OP_DEF( GET_FIELD, 5, 1, 1, atom) /* obj -> val */
OP_DEF( GET_FIELD2, 5, 1, 2, atom) /* obj -> obj val */
OP_DEF( PUT_FIELD, 5, 2, 0, atom) /* obj val -> */
OP_DEF( GET_ELEM, 1, 2, 1, none) /* obj key -> val */
OP_DEF( GET_ELEM2, 1, 2, 2, none) /* obj key -> obj val */
OP_DEF( PUT_ELEM, 1, 3, 0, none) /* obj key val -> */
OP_DEF( DEFINE_FIELD, 5, 2, 1, atom) /* obj val -> obj (own prop) */
OP_DEF( GET_LENGTH, 1, 1, 1, none) /* obj -> length */
OP_DEF( GET_FIELD_OPT, 5, 1, 1, atom) /* null-safe obj -> val */
OP_DEF( GET_ELEM_OPT, 1, 2, 1, none) /* null-safe obj key -> val */
OP_DEF( GET_PRIVATE, 1, 2, 1, none) /* obj prop -> value */
OP_DEF( PUT_PRIVATE, 1, 3, 0, none) /* obj value prop -> */
OP_DEF( DEF_PRIVATE, 1, 3, 1, none) /* obj prop value -> obj */
OP_DEF( GET_SUPER, 1, 1, 1, none) /* obj -> super */
OP_DEF( GET_SUPER_VAL, 1, 3, 1, none) /* this obj prop -> value */
OP_DEF( PUT_SUPER_VAL, 1, 4, 0, none) /* this obj prop value -> */
OP_DEF( ADD, 1, 2, 1, none)
OP_DEF( SUB, 1, 2, 1, none)
OP_DEF( MUL, 1, 2, 1, none)
OP_DEF( DIV, 1, 2, 1, none)
OP_DEF( MOD, 1, 2, 1, none)
OP_DEF( EXP, 1, 2, 1, none)
OP_DEF( NEG, 1, 1, 1, none) /* unary minus */
OP_DEF( UPLUS, 1, 1, 1, none) /* unary plus (ToNumber) */
OP_DEF( INC, 1, 1, 1, none) /* +1 */
OP_DEF( DEC, 1, 1, 1, none) /* -1 */
OP_DEF( POST_INC, 1, 1, 2, none) /* -> old new */
OP_DEF( POST_DEC, 1, 1, 2, none) /* -> old new */
OP_DEF( INC_LOCAL, 2, 0, 0, loc8) /* locals[i]++ in-place */
OP_DEF( DEC_LOCAL, 2, 0, 0, loc8) /* locals[i]-- in-place */
OP_DEF( ADD_LOCAL, 2, 1, 0, loc8) /* locals[i] += TOS */
OP_DEF( EQ, 1, 2, 1, none) /* == (abstract) */
OP_DEF( NE, 1, 2, 1, none) /* != */
OP_DEF( SEQ, 1, 2, 1, none) /* === (strict, matches TOK_SEQ) */
OP_DEF( SNE, 1, 2, 1, none) /* !== (strict, matches TOK_SNE) */
OP_DEF( LT, 1, 2, 1, none)
OP_DEF( LE, 1, 2, 1, none)
OP_DEF( GT, 1, 2, 1, none)
OP_DEF( GE, 1, 2, 1, none)
OP_DEF( INSTANCEOF, 1, 2, 1, none)
OP_DEF( IN, 1, 2, 1, none)
OP_DEF( IS_NULLISH, 1, 1, 1, none) /* TOS is null|undefined? */
OP_DEF( IS_UNDEF_OR_NULL, 1, 1, 1, none) /* same, for ?? chains */
OP_DEF( BAND, 1, 2, 1, none) /* & (matches TOK_AND) */
OP_DEF( BOR, 1, 2, 1, none) /* | (matches TOK_OR) */
OP_DEF( BXOR, 1, 2, 1, none) /* ^ (matches TOK_XOR) */
OP_DEF( BNOT, 1, 1, 1, none) /* ~ (matches TOK_TILDA) */
OP_DEF( SHL, 1, 2, 1, none) /* << */
OP_DEF( SHR, 1, 2, 1, none) /* >> (signed) */
OP_DEF( USHR, 1, 2, 1, none) /* >>> (matches TOK_ZSHR) */
OP_DEF( NOT, 1, 1, 1, none) /* ! */
OP_DEF( TYPEOF, 1, 1, 1, none)
OP_DEF( VOID, 1, 1, 1, none) /* eval + push undefined */
OP_DEF( DELETE, 1, 2, 1, none) /* obj key -> bool */
OP_DEF( DELETE_VAR, 5, 0, 1, atom) /* delete unqualified name */
OP_DEF( JMP, 5, 0, 0, label) /* unconditional */
OP_DEF( JMP_FALSE, 5, 1, 0, label) /* pop + branch if falsy */
OP_DEF( JMP_TRUE, 5, 1, 0, label) /* pop + branch if truthy */
OP_DEF( JMP_FALSE_PEEK, 5, 1, 1, label) /* peek + branch if falsy */
OP_DEF( JMP_TRUE_PEEK, 5, 1, 1, label) /* peek + branch if truthy */
OP_DEF( JMP_NOT_NULLISH, 5, 1, 1, label) /* peek + branch if NOT null/undefined */
OP_DEF( JMP8, 2, 0, 0, label8) /* short unconditional */
OP_DEF( JMP_FALSE8, 2, 1, 0, label8) /* short conditional */
OP_DEF( JMP_TRUE8, 2, 1, 0, label8) /* short conditional */
OP_DEF( CALL, 3, 1, 1, npop) /* func args... -> result */
OP_DEF( CALL_METHOD, 3, 2, 1, npop) /* this func args... -> result */
OP_DEF( TAIL_CALL, 3, 1, 0, npop) /* tail-position call */
OP_DEF( TAIL_CALL_METHOD, 3, 2, 0, npop)
OP_DEF( NEW, 3, 2, 1, npop) /* func new.target args -> obj */
OP_DEF( APPLY, 3, 3, 1, u16) /* func this [args] -> result */
OP_DEF( EVAL, 5, 1, 1, npop) /* direct eval */
OP_DEF( RETURN, 1, 1, 0, none)
OP_DEF( RETURN_UNDEF, 1, 0, 0, none)
OP_DEF( RETURN_ASYNC, 1, 1, 0, none) /* return from async func */
OP_DEF( CHECK_CTOR, 1, 0, 0, none) /* verify called with new */
OP_DEF( CHECK_CTOR_RET, 1, 1, 2, none) /* validate constructor return */
OP_DEF( HALT, 1, 0, 0, none) /* stop execution */
OP_DEF( THROW, 1, 1, 0, none)
OP_DEF( THROW_ERROR, 6, 0, 0, atom_u8) /* throw built-in error */
OP_DEF( TRY_PUSH, 5, 0, 0, label) /* push catch handler */
OP_DEF( TRY_POP, 1, 0, 0, none) /* pop catch handler */
OP_DEF( CATCH, 5, 0, 1, label) /* push caught value + finally addr */
OP_DEF( FINALLY, 5, 0, 0, label) /* enter finally block */
OP_DEF( FINALLY_RET, 1, 1, 0, none) /* return from finally */
OP_DEF( NIP_CATCH, 1, 2, 1, none) /* catch ... a -> a */
OP_DEF( FOR_IN, 1, 1, 1, none) /* obj -> iterator */
OP_DEF( FOR_OF, 1, 1, 3, none) /* iterable -> iter next catch_off */
OP_DEF( FOR_AWAIT_OF, 1, 1, 3, none) /* async iterable -> iter next catch_off */
OP_DEF( ITER_NEXT, 1, 3, 5, none) /* advance iterator */
OP_DEF( ITER_GET_VALUE, 1, 2, 3, none) /* catch_off obj -> catch_off value done */
OP_DEF( ITER_CLOSE, 1, 3, 0, none) /* close iterator */
OP_DEF( ITER_CALL, 2, 4, 5, u8) /* call iterator method */
OP_DEF( AWAIT_ITER_NEXT, 1, 3, 4, none) /* async iterator next */
OP_DEF( AWAIT, 1, 1, 1, none) /* promise -> resolved value */
OP_DEF( YIELD, 1, 1, 2, none) /* val -> received */
OP_DEF( YIELD_STAR, 1, 1, 2, none) /* delegate to sub-iterator */
OP_DEF( INITIAL_YIELD, 1, 0, 0, none) /* generator entry point */
OP_DEF( SPREAD, 1, 1, 0, none) /* arr iterable -> arr */
OP_DEF( DEFINE_METHOD, 6, 2, 1, atom_u8) /* obj func -> obj (flags: get/set/static) */
OP_DEF( DEFINE_METHOD_COMP,2, 3, 1, u8) /* obj key func -> obj (computed name) */
OP_DEF( SET_NAME, 5, 1, 1, atom) /* set .name on function */
OP_DEF( SET_NAME_COMP, 1, 2, 2, none) /* set .name from computed key */
OP_DEF( SET_PROTO, 1, 2, 1, none) /* obj proto -> obj */
OP_DEF( SET_HOME_OBJ, 1, 2, 2, none) /* func home -> func home */
OP_DEF( APPEND, 1, 3, 2, none) /* append to array, update length */
OP_DEF( COPY_DATA_PROPS, 2, 3, 3, u8) /* Object.assign-like */
OP_DEF( DEFINE_CLASS, 6, 2, 2, atom_u8) /* parent ctor -> ctor proto */
OP_DEF( DEFINE_CLASS_COMP, 6, 3, 3, atom_u8) /* computed name variant */
OP_DEF( ADD_BRAND, 1, 2, 0, none) /* this_obj home_obj -> (private brand) */
OP_DEF( TO_OBJECT, 1, 1, 1, none) /* coerce to object wrapper */
OP_DEF( TO_PROPKEY, 1, 1, 1, none) /* coerce to string/symbol */
OP_DEF( IS_UNDEF, 1, 1, 1, none) /* TOS === undefined */
OP_DEF( IS_NULL, 1, 1, 1, none) /* TOS === null */
OP_DEF( IMPORT, 1, 2, 1, none) /* dynamic import(specifier) */
OP_DEF( IMPORT_SYNC, 1, 1, 1, none) /* sync module load for static import */
OP_DEF( IMPORT_DEFAULT, 1, 1, 1, none) /* ns -> default (SLOT_DEFAULT or ns) */
OP_DEF( EXPORT, 5, 1, 0, atom) /* value -> (module namespace[name] = value) */
OP_DEF( EXPORT_ALL, 1, 1, 0, none) /* ns -> (export all properties) */
OP_DEF( ENTER_WITH, 1, 1, 0, none) /* enter with(obj) block */
OP_DEF( EXIT_WITH, 1, 0, 0, none) /* exit with(obj) block */
OP_DEF( WITH_GET_VAR, 8, 0, 1, atom) /* -> val (check with-obj then fallback) */
OP_DEF( WITH_PUT_VAR, 8, 1, 0, atom) /* val -> (check with-obj then fallback) */
OP_DEF( WITH_DEL_VAR, 5, 0, 1, atom) /* -> bool (delete from with-obj/global) */
OP_DEF( SPECIAL_OBJ, 2, 0, 1, u8) /* arguments, mapped args, etc. */
OP_DEF( EMPTY, 1, 0, 1, none) /* push T_EMPTY (array hole) */
OP_DEF( DEBUGGER, 1, 0, 0, none)
OP_DEF( NOP, 1, 0, 0, none)
OP_DEF( PUT_CONST, 5, 1, 0, const) /* constant pool[idx] = TOS */
op_def( LABEL, 5, 0, 0, label)
op_def( LINE_NUM, 5, 0, 0, u32)
op_def( COL_NUM, 5, 0, 0, u32)
#undef OP_DEF
#undef op_def
#endif

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