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peg.asm
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peg.asm
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#ifndef PEG_BASE
#error PEG_BASE required.
#endif
//
// Parsing Expression Grammar (PEG) behaviors
//
#define G_EMPTY (PEG_BASE)
#define _G_EMPTY TO_CAP(G_EMPTY)
{ .t=Actor_T, .x=G_EMPTY+1, .y=NIL, .z=UNDEF },
#define G_EMPTY_B (G_EMPTY+1)
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(-2), .z=G_EMPTY+2, }, // in
{ .t=Instr_T, .x=VM_push, .y=NIL, .z=G_EMPTY+3, }, // ()
{ .t=Instr_T, .x=VM_pair, .y=TO_FIX(1), .z=G_EMPTY+4, }, // (() . in)
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(1), .z=G_EMPTY+5, }, // custs = (ok . fail)
{ .t=Instr_T, .x=VM_nth, .y=TO_FIX(1), .z=SEND_0, }, // ok = car(custs)
#define G_FAIL (G_EMPTY+6)
#define _G_FAIL TO_CAP(G_FAIL)
{ .t=Actor_T, .x=G_FAIL+1, .y=NIL, .z=UNDEF },
#define G_FAIL_B (G_FAIL+1)
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(-2), .z=G_FAIL+2, }, // in
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(1), .z=G_FAIL+3, }, // custs = (ok . fail)
{ .t=Instr_T, .x=VM_nth, .y=TO_FIX(-1), .z=SEND_0, }, // fail = cdr(custs)
#define G_NEXT_K (G_FAIL+4)
// { .t=Instr_T, .x=VM_push, .y=_cust_, .z=G_NEXT_K-1, },
// { .t=Instr_T, .x=VM_push, .y=_value_, .z=G_NEXT_K+0, },
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(0), .z=G_NEXT_K+1, }, // in
{ .t=Instr_T, .x=VM_roll, .y=TO_FIX(2), .z=G_NEXT_K+2, }, // value
{ .t=Instr_T, .x=VM_pair, .y=TO_FIX(1), .z=G_NEXT_K+3, }, // (value . in)
{ .t=Instr_T, .x=VM_roll, .y=TO_FIX(2), .z=RELEASE_0, }, // cust
#define G_ANY (G_NEXT_K+4)
#define _G_ANY TO_CAP(G_ANY)
{ .t=Actor_T, .x=G_ANY+1, .y=NIL, .z=UNDEF },
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(1), .z=G_ANY+2, }, // custs = (ok . fail)
{ .t=Instr_T, .x=VM_part, .y=TO_FIX(1), .z=G_ANY+3, }, // fail ok
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(-2), .z=G_ANY+4, }, // in
{ .t=Instr_T, .x=VM_eq, .y=NIL, .z=G_ANY+5, }, // in == ()
{ .t=Instr_T, .x=VM_if, .y=G_ANY+13, .z=G_ANY+6, },
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(-2), .z=G_ANY+7, }, // in
{ .t=Instr_T, .x=VM_part, .y=TO_FIX(1), .z=G_ANY+8, }, // next token
{ .t=Instr_T, .x=VM_pick, .y=TO_FIX(3), .z=G_ANY+9, }, // ok
{ .t=Instr_T, .x=VM_pick, .y=TO_FIX(2), .z=G_ANY+10, }, // token
{ .t=Instr_T, .x=VM_push, .y=G_NEXT_K, .z=G_ANY+11, }, // G_NEXT_K
{ .t=Instr_T, .x=VM_new, .y=TO_FIX(2), .z=G_ANY+12, }, // k_next
{ .t=Instr_T, .x=VM_pick, .y=TO_FIX(3), .z=SEND_0, }, // next
{ .t=Instr_T, .x=VM_push, .y=NIL, .z=G_ANY+14, }, // ()
{ .t=Instr_T, .x=VM_pick, .y=TO_FIX(3), .z=SEND_0, }, // fail
#define G_EQ_B (G_ANY+15)
// { .t=Instr_T, .x=VM_push, .y=_value_, .z=G_EQ_B+0, },
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(1), .z=G_EQ_B+1, }, // custs = (ok . fail)
{ .t=Instr_T, .x=VM_part, .y=TO_FIX(1), .z=G_EQ_B+2, }, // fail ok
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(-2), .z=G_EQ_B+3, }, // in
{ .t=Instr_T, .x=VM_eq, .y=NIL, .z=G_EQ_B+4, }, // in == ()
{ .t=Instr_T, .x=VM_if, .y=G_EQ_B+17, .z=G_EQ_B+5, },
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(-2), .z=G_EQ_B+6, }, // in
{ .t=Instr_T, .x=VM_part, .y=TO_FIX(1), .z=G_EQ_B+7, }, // next token
{ .t=Instr_T, .x=VM_pick, .y=TO_FIX(1), .z=G_EQ_B+8, }, // token token
{ .t=Instr_T, .x=VM_pick, .y=TO_FIX(6), .z=G_EQ_B+9, }, // value
{ .t=Instr_T, .x=VM_cmp, .y=CMP_NE, .z=G_EQ_B+10, }, // token != value
{ .t=Instr_T, .x=VM_if, .y=G_EQ_B+16, .z=G_EQ_B+11, },
{ .t=Instr_T, .x=VM_pick, .y=TO_FIX(3), .z=G_EQ_B+12, }, // ok
{ .t=Instr_T, .x=VM_pick, .y=TO_FIX(2), .z=G_EQ_B+13, }, // token
{ .t=Instr_T, .x=VM_push, .y=G_NEXT_K, .z=G_EQ_B+14, }, // G_NEXT_K
{ .t=Instr_T, .x=VM_new, .y=TO_FIX(2), .z=G_EQ_B+15, }, // k_next
{ .t=Instr_T, .x=VM_pick, .y=TO_FIX(3), .z=SEND_0, }, // next
{ .t=Instr_T, .x=VM_drop, .y=TO_FIX(2), .z=G_EQ_B+17, }, // fail ok
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(-2), .z=G_EQ_B+18, }, // in
{ .t=Instr_T, .x=VM_pick, .y=TO_FIX(3), .z=SEND_0, }, // fail
#define G_FAIL_K (G_EQ_B+19)
// { .t=Instr_T, .x=VM_push, .y=_msg_, .z=G_FAIL_K-1, },
// { .t=Instr_T, .x=VM_push, .y=_cust_, .z=G_FAIL_K+0, },
{ .t=Instr_T, .x=VM_send, .y=TO_FIX(0), .z=RELEASE, }, // (cust . msg)
#define G_OR_B (G_FAIL_K+1)
// { .t=Instr_T, .x=VM_push, .y=_first_, .z=G_OR_B-1, },
// { .t=Instr_T, .x=VM_push, .y=_rest_, .z=G_OR_B+0, },
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(-1), .z=G_OR_B+1, }, // resume = (value . in)
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(0), .z=G_OR_B+2, }, // msg = (custs value . in)
{ .t=Instr_T, .x=VM_pick, .y=TO_FIX(3), .z=G_OR_B+3, }, // cust = rest
{ .t=Instr_T, .x=VM_push, .y=G_FAIL_K, .z=G_OR_B+4, }, // G_FAIL_K
{ .t=Instr_T, .x=VM_new, .y=TO_FIX(2), .z=G_OR_B+5, }, // or_fail
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(1), .z=G_OR_B+6, }, // custs
{ .t=Instr_T, .x=VM_nth, .y=TO_FIX(1), .z=G_OR_B+7, }, // ok = car(custs)
{ .t=Instr_T, .x=VM_pair, .y=TO_FIX(1), .z=G_OR_B+8, }, // (ok . or_fail)
{ .t=Instr_T, .x=VM_pair, .y=TO_FIX(1), .z=G_OR_B+9, }, // ((ok . or_fail) . resume)
{ .t=Instr_T, .x=VM_pick, .y=TO_FIX(3), .z=SEND_0, }, // first
#define G_AND_PR (G_OR_B+10)
// { .t=Instr_T, .x=VM_push, .y=_cust_, .z=G_AND_PR-1, },
// { .t=Instr_T, .x=VM_push, .y=_head_, .z=G_AND_PR+0, },
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(0), .z=G_AND_PR+1, }, // (value . in)
{ .t=Instr_T, .x=VM_part, .y=TO_FIX(1), .z=G_AND_PR+2, }, // in tail
{ .t=Instr_T, .x=VM_roll, .y=TO_FIX(3), .z=G_AND_PR+3, }, // head
{ .t=Instr_T, .x=VM_pair, .y=TO_FIX(1), .z=G_AND_PR+4, }, // (head . tail)
{ .t=Instr_T, .x=VM_pair, .y=TO_FIX(1), .z=G_AND_PR+5, }, // ((head . tail) . in)
{ .t=Instr_T, .x=VM_roll, .y=TO_FIX(2), .z=RELEASE_0, }, // cust
#define G_AND_OK (G_AND_PR+6)
// { .t=Instr_T, .x=VM_push, .y=_rest_, .z=G_AND_OK-2, },
// { .t=Instr_T, .x=VM_push, .y=_and_fail_, .z=G_AND_OK-1, },
// { .t=Instr_T, .x=VM_push, .y=_ok_, .z=G_AND_OK+0, },
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(1), .z=G_AND_OK+1, }, // head = value
{ .t=Instr_T, .x=VM_push, .y=G_AND_PR, .z=G_AND_OK+2, }, // G_AND_PR
{ .t=Instr_T, .x=VM_beh, .y=TO_FIX(2), .z=G_AND_OK+3, }, // BECOME (G_AND_PR ok value)
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(0), .z=G_AND_OK+4, }, // resume = (value . in)
{ .t=Instr_T, .x=VM_roll, .y=TO_FIX(2), .z=G_AND_OK+5, }, // and_fail
{ .t=Instr_T, .x=VM_my, .y=MY_SELF, .z=G_AND_OK+6, }, // and_pair = SELF
{ .t=Instr_T, .x=VM_pair, .y=TO_FIX(1), .z=G_AND_OK+7, }, // (and_pair . and_fail)
{ .t=Instr_T, .x=VM_pair, .y=TO_FIX(1), .z=G_AND_OK+8, }, // ((and_pair . and_fail) . resume)
{ .t=Instr_T, .x=VM_roll, .y=TO_FIX(2), .z=SEND_0, }, // rest
#define G_AND_B (G_AND_OK+9)
// { .t=Instr_T, .x=VM_push, .y=_first_, .z=G_AND_B-1, },
// { .t=Instr_T, .x=VM_push, .y=_rest_, .z=G_AND_B+0, },
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(-1), .z=G_AND_B+1, }, // resume = (value . in)
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(1), .z=G_AND_B+2, }, // custs
{ .t=Instr_T, .x=VM_nth, .y=TO_FIX(-1), .z=G_AND_B+3, }, // fail = cdr(custs)
{ .t=Instr_T, .x=VM_pick, .y=TO_FIX(3), .z=G_AND_B+4, }, // rest
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(-2), .z=G_AND_B+5, }, // msg = in
{ .t=Instr_T, .x=VM_pick, .y=TO_FIX(3), .z=G_AND_B+6, }, // cust = fail
{ .t=Instr_T, .x=VM_push, .y=G_FAIL_K, .z=G_AND_B+7, }, // G_FAIL_K
{ .t=Instr_T, .x=VM_new, .y=TO_FIX(2), .z=G_AND_B+8, }, // and_fail = (G_FAIL_K in fail)
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(1), .z=G_AND_B+9, }, // custs
{ .t=Instr_T, .x=VM_nth, .y=TO_FIX(1), .z=G_AND_B+10, }, // ok = car(custs)
{ .t=Instr_T, .x=VM_push, .y=G_AND_OK, .z=G_AND_B+11, }, // G_AND_OK
{ .t=Instr_T, .x=VM_new, .y=TO_FIX(3), .z=G_AND_B+12, }, // and_ok = (G_AND_OK rest and_fail ok)
{ .t=Instr_T, .x=VM_pair, .y=TO_FIX(1), .z=G_AND_B+13, }, // (and_ok . fail)
{ .t=Instr_T, .x=VM_pair, .y=TO_FIX(1), .z=G_AND_B+14, }, // ((and_ok . fail) . resume)
{ .t=Instr_T, .x=VM_pick, .y=TO_FIX(3), .z=SEND_0, }, // first
#define G_NOT_B (G_AND_B+15)
// { .t=Instr_T, .x=VM_push, .y=_ptrn_, .z=G_NOT_B+0, },
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(1), .z=G_NOT_B+1, }, // custs
{ .t=Instr_T, .x=VM_part, .y=TO_FIX(1), .z=G_NOT_B+2, }, // fail ok
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(-2), .z=G_NOT_B+3, }, // in
{ .t=Instr_T, .x=VM_push, .y=UNIT, .z=G_NOT_B+4, }, // value = UNIT
{ .t=Instr_T, .x=VM_pair, .y=TO_FIX(1), .z=G_NOT_B+5, }, // ctx = (#unit . in)
{ .t=Instr_T, .x=VM_roll, .y=TO_FIX(2), .z=G_NOT_B+6, }, // ok
{ .t=Instr_T, .x=VM_push, .y=RELEASE_0, .z=G_NOT_B+7, }, // RELEASE_0
{ .t=Instr_T, .x=VM_new, .y=TO_FIX(2), .z=G_NOT_B+8, }, // fail' = (RELEASE_0 ctx ok)
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(-2), .z=G_NOT_B+9, }, // in
{ .t=Instr_T, .x=VM_roll, .y=TO_FIX(3), .z=G_NOT_B+10, }, // fail
{ .t=Instr_T, .x=VM_push, .y=RELEASE_0, .z=G_NOT_B+11, }, // RELEASE_0
{ .t=Instr_T, .x=VM_new, .y=TO_FIX(2), .z=G_NOT_B+12, }, // ok' = (RELEASE_0 in fail)
{ .t=Instr_T, .x=VM_pair, .y=TO_FIX(1), .z=G_NOT_B+13, }, // custs' = (ok' . fail')
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(-1), .z=G_NOT_B+14, }, // ctx = (value . in)
{ .t=Instr_T, .x=VM_roll, .y=TO_FIX(2), .z=G_NOT_B+15, }, // ctx custs'
{ .t=Instr_T, .x=VM_pair, .y=TO_FIX(1), .z=G_NOT_B+16, }, // msg = (custs' value . in)
{ .t=Instr_T, .x=VM_pick, .y=TO_FIX(2), .z=SEND_0, }, // ptrn
/*
Optional(pattern) = Or(And(pattern, Empty), Empty)
Plus(pattern) = And(pattern, Star(pattern))
Star(pattern) = Or(Plus(pattern), Empty)
*/
#define G_OPT_B (G_NOT_B+17)
#define G_PLUS_B (G_OPT_B+6)
#define G_STAR_B (G_PLUS_B+5)
// { .t=Instr_T, .x=VM_push, .y=_ptrn_, .z=G_OPT_B+0, },
{ .t=Instr_T, .x=VM_push, .y=_G_EMPTY, .z=G_OPT_B+1, }, // G_EMPTY
{ .t=Instr_T, .x=VM_push, .y=G_AND_B, .z=G_OPT_B+2, }, // G_AND_B
{ .t=Instr_T, .x=VM_new, .y=TO_FIX(2), .z=G_OPT_B+3, }, // ptrn' = (And ptrn Empty)
{ .t=Instr_T, .x=VM_push, .y=_G_EMPTY, .z=G_OPT_B+4, }, // G_EMPTY
{ .t=Instr_T, .x=VM_push, .y=G_OR_B, .z=G_OPT_B+5, }, // G_OR_B
{ .t=Instr_T, .x=VM_beh, .y=TO_FIX(2), .z=RESEND, }, // BECOME (Or ptrn' Empty)
// { .t=Instr_T, .x=VM_push, .y=_ptrn_, .z=G_PLUS_B+0, },
{ .t=Instr_T, .x=VM_pick, .y=TO_FIX(1), .z=G_PLUS_B+1, }, // ptrn
{ .t=Instr_T, .x=VM_push, .y=G_STAR_B, .z=G_PLUS_B+2, }, // G_STAR_B
{ .t=Instr_T, .x=VM_new, .y=TO_FIX(1), .z=G_PLUS_B+3, }, // star = (Star ptrn)
{ .t=Instr_T, .x=VM_push, .y=G_AND_B, .z=G_PLUS_B+4, }, // G_AND_B
{ .t=Instr_T, .x=VM_beh, .y=TO_FIX(2), .z=RESEND, }, // BECOME (And ptrn star)
// { .t=Instr_T, .x=VM_push, .y=_ptrn_, .z=G_STAR_B+0, },
{ .t=Instr_T, .x=VM_push, .y=G_PLUS_B, .z=G_STAR_B+1, }, // G_PLUS_B
{ .t=Instr_T, .x=VM_new, .y=TO_FIX(1), .z=G_STAR_B+2, }, // plus = (Plus ptrn)
{ .t=Instr_T, .x=VM_push, .y=_G_EMPTY, .z=G_STAR_B+3, }, // G_EMPTY
{ .t=Instr_T, .x=VM_push, .y=G_OR_B, .z=G_STAR_B+4, }, // G_OR_B
{ .t=Instr_T, .x=VM_beh, .y=TO_FIX(2), .z=RESEND, }, // BECOME (Or plus Empty)
#define G_ALT_B (G_STAR_B+5)
// { .t=Instr_T, .x=VM_push, .y=_ptrns_, .z=G_ALT_B+0, },
{ .t=Instr_T, .x=VM_pick, .y=TO_FIX(1), .z=G_ALT_B+1, }, // ptrns
{ .t=Instr_T, .x=VM_eq, .y=NIL, .z=G_ALT_B+2, }, // ptrns == ()
{ .t=Instr_T, .x=VM_if, .y=G_ALT_B+13, .z=G_ALT_B+3, },
{ .t=Instr_T, .x=VM_part, .y=TO_FIX(1), .z=G_ALT_B+4, }, // tail head
{ .t=Instr_T, .x=VM_pick, .y=TO_FIX(2), .z=G_ALT_B+5, }, // tail
{ .t=Instr_T, .x=VM_eq, .y=NIL, .z=G_ALT_B+6, }, // tail == ()
{ .t=Instr_T, .x=VM_if, .y=G_ALT_B+10, .z=G_ALT_B+7, },
{ .t=Instr_T, .x=VM_pick, .y=TO_FIX(2), .z=G_ALT_B+8, }, // tail
{ .t=Instr_T, .x=VM_push, .y=G_ALT_B, .z=G_ALT_B+9, }, // G_ALT_B
{ .t=Instr_T, .x=VM_new, .y=TO_FIX(1), .z=G_ALT_B+11, }, // rest = (Alt tail)
{ .t=Instr_T, .x=VM_push, .y=_G_FAIL, .z=G_ALT_B+11, }, // rest = G_FAIL
{ .t=Instr_T, .x=VM_push, .y=G_OR_B, .z=G_ALT_B+12, }, // G_OR_B
{ .t=Instr_T, .x=VM_beh, .y=TO_FIX(2), .z=RESEND, }, // BECOME
{ .t=Instr_T, .x=VM_push, .y=G_FAIL_B, .z=G_ALT_B+14, }, // G_FAIL_B
{ .t=Instr_T, .x=VM_beh, .y=TO_FIX(0), .z=RESEND, }, // BECOME
#define G_SEQ_B (G_ALT_B+15)
// { .t=Instr_T, .x=VM_push, .y=_ptrns_, .z=G_SEQ_B+0, },
{ .t=Instr_T, .x=VM_pick, .y=TO_FIX(1), .z=G_SEQ_B+1, }, // ptrns
{ .t=Instr_T, .x=VM_eq, .y=NIL, .z=G_SEQ_B+2, }, // ptrns == ()
{ .t=Instr_T, .x=VM_if, .y=G_SEQ_B+13, .z=G_SEQ_B+3, },
{ .t=Instr_T, .x=VM_part, .y=TO_FIX(1), .z=G_SEQ_B+4, }, // tail head
{ .t=Instr_T, .x=VM_pick, .y=TO_FIX(2), .z=G_SEQ_B+5, }, // tail
{ .t=Instr_T, .x=VM_eq, .y=NIL, .z=G_SEQ_B+6, }, // tail == ()
{ .t=Instr_T, .x=VM_if, .y=G_SEQ_B+10, .z=G_SEQ_B+7, },
{ .t=Instr_T, .x=VM_pick, .y=TO_FIX(2), .z=G_SEQ_B+8, }, // tail
{ .t=Instr_T, .x=VM_push, .y=G_SEQ_B, .z=G_SEQ_B+9, }, // G_SEQ_B
{ .t=Instr_T, .x=VM_new, .y=TO_FIX(1), .z=G_SEQ_B+11, }, // rest = (Seq tail)
{ .t=Instr_T, .x=VM_push, .y=_G_EMPTY, .z=G_SEQ_B+11, }, // rest = G_EMPTY
{ .t=Instr_T, .x=VM_push, .y=G_AND_B, .z=G_SEQ_B+12, }, // G_AND_B
{ .t=Instr_T, .x=VM_beh, .y=TO_FIX(2), .z=RESEND, }, // BECOME
{ .t=Instr_T, .x=VM_push, .y=G_EMPTY_B, .z=G_SEQ_B+14, }, // G_EMPTY_B
{ .t=Instr_T, .x=VM_beh, .y=TO_FIX(0), .z=RESEND, }, // BECOME
#define G_CLS_B (G_SEQ_B+15)
// { .t=Instr_T, .x=VM_push, .y=_class_, .z=G_CLS_B+0, },
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(1), .z=G_CLS_B+1, }, // custs = (ok . fail)
{ .t=Instr_T, .x=VM_part, .y=TO_FIX(1), .z=G_CLS_B+2, }, // fail ok
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(-2), .z=G_CLS_B+3, }, // in
{ .t=Instr_T, .x=VM_eq, .y=NIL, .z=G_CLS_B+4, }, // in == ()
{ .t=Instr_T, .x=VM_if, .y=G_CLS_B+18, .z=G_CLS_B+5, },
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(-2), .z=G_CLS_B+6, }, // in
{ .t=Instr_T, .x=VM_part, .y=TO_FIX(1), .z=G_CLS_B+7, }, // next token
{ .t=Instr_T, .x=VM_pick, .y=TO_FIX(1), .z=G_CLS_B+8, }, // token token
{ .t=Instr_T, .x=VM_pick, .y=TO_FIX(6), .z=G_CLS_B+9, }, // class
{ .t=Instr_T, .x=VM_cmp, .y=CMP_CLS, .z=G_CLS_B+10, }, // token in class
{ .t=Instr_T, .x=VM_eq, .y=FALSE, .z=G_CLS_B+11, }, // token ~in class
{ .t=Instr_T, .x=VM_if, .y=G_CLS_B+17, .z=G_CLS_B+12, },
{ .t=Instr_T, .x=VM_pick, .y=TO_FIX(3), .z=G_CLS_B+13, }, // ok
{ .t=Instr_T, .x=VM_pick, .y=TO_FIX(2), .z=G_CLS_B+14, }, // token
{ .t=Instr_T, .x=VM_push, .y=G_NEXT_K, .z=G_CLS_B+15, }, // G_NEXT_K
{ .t=Instr_T, .x=VM_new, .y=TO_FIX(2), .z=G_CLS_B+16, }, // k_next
{ .t=Instr_T, .x=VM_pick, .y=TO_FIX(3), .z=SEND_0, }, // next
{ .t=Instr_T, .x=VM_drop, .y=TO_FIX(2), .z=G_CLS_B+18, }, // fail ok
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(-2), .z=G_CLS_B+19, }, // in
{ .t=Instr_T, .x=VM_pick, .y=TO_FIX(3), .z=SEND_0, }, // fail
#define G_PRED_K (G_CLS_B+20)
// { .t=Instr_T, .x=VM_push, .y=_more_, .z=G_PRED_K-1, }, // (value' . in')
// { .t=Instr_T, .x=VM_push, .y=_msg0_, .z=G_PRED_K+0, }, // ((ok . fail) value . in)
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(0), .z=G_PRED_K+1, }, // cond
{ .t=Instr_T, .x=VM_if, .y=G_PRED_K+5, .z=G_PRED_K+2, },
{ .t=Instr_T, .x=VM_part, .y=TO_FIX(1), .z=G_PRED_K+3, }, // resume custs
{ .t=Instr_T, .x=VM_part, .y=TO_FIX(1), .z=G_PRED_K+4, }, // resume fail ok
{ .t=Instr_T, .x=VM_drop, .y=TO_FIX(1), .z=RELEASE_0, }, // resume fail
{ .t=Instr_T, .x=VM_nth, .y=TO_FIX(1), .z=G_PRED_K+6, }, // custs = (ok . fail)
{ .t=Instr_T, .x=VM_nth, .y=TO_FIX(1), .z=RELEASE_0, }, // ok
#define G_PRED_OK (G_PRED_K+7)
// { .t=Instr_T, .x=VM_push, .y=_msg0_, .z=G_PRED_OK-1, },
// { .t=Instr_T, .x=VM_push, .y=_pred_, .z=G_PRED_OK+0, },
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(1), .z=G_PRED_OK+1, }, // value
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(0), .z=G_PRED_OK+2, }, // more
{ .t=Instr_T, .x=VM_roll, .y=TO_FIX(4), .z=G_PRED_OK+3, }, // msg0
{ .t=Instr_T, .x=VM_push, .y=G_PRED_K, .z=G_PRED_OK+4, }, // G_PRED_K
{ .t=Instr_T, .x=VM_beh, .y=TO_FIX(2), .z=G_PRED_OK+5, }, // BECOME (G_PRED_K more msg0)
{ .t=Instr_T, .x=VM_my, .y=MY_SELF, .z=G_PRED_OK+6, }, // k_pred = SELF
{ .t=Instr_T, .x=VM_roll, .y=TO_FIX(3), .z=G_PRED_OK+7, }, // pred
{ .t=Instr_T, .x=VM_send, .y=TO_FIX(2), .z=COMMIT, }, // (pred k_pred value)
#define G_PRED_B (G_PRED_OK+8)
// { .t=Instr_T, .x=VM_push, .y=_pred_, .z=G_PRED_B-1, },
// { .t=Instr_T, .x=VM_push, .y=_ptrn_, .z=G_PRED_B+0, },
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(0), .z=G_PRED_B+1, }, // (custs . resume)
{ .t=Instr_T, .x=VM_part, .y=TO_FIX(1), .z=G_PRED_B+2, }, // resume custs
{ .t=Instr_T, .x=VM_part, .y=TO_FIX(1), .z=G_PRED_B+3, }, // fail ok
{ .t=Instr_T, .x=VM_drop, .y=TO_FIX(1), .z=G_PRED_B+4, }, // fail
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(0), .z=G_PRED_B+5, }, // msg0 = (custs . resume)
{ .t=Instr_T, .x=VM_pick, .y=TO_FIX(5), .z=G_PRED_B+6, }, // pred
{ .t=Instr_T, .x=VM_push, .y=G_PRED_OK, .z=G_PRED_B+7, }, // G_PRED_OK
{ .t=Instr_T, .x=VM_new, .y=TO_FIX(2), .z=G_PRED_B+8, }, // ok'
{ .t=Instr_T, .x=VM_pair, .y=TO_FIX(1), .z=G_PRED_B+9, }, // custs = (ok' . fail)
{ .t=Instr_T, .x=VM_pair, .y=TO_FIX(1), .z=G_PRED_B+10, }, // msg = (custs . resume)
{ .t=Instr_T, .x=VM_pick, .y=TO_FIX(2), .z=SEND_0, }, // ptrn
#define G_XLAT_K (G_PRED_B+11)
// { .t=Instr_T, .x=VM_push, .y=_cust_, .z=G_XLAT_K-1, },
// { .t=Instr_T, .x=VM_push, .y=_in_, .z=G_XLAT_K+0, },
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(0), .z=G_XLAT_K+1, }, // value
{ .t=Instr_T, .x=VM_pair, .y=TO_FIX(1), .z=G_XLAT_K+2, }, // (value . in)
{ .t=Instr_T, .x=VM_roll, .y=TO_FIX(2), .z=RELEASE_0, }, // cust
#define G_XLAT_OK (G_XLAT_K+3)
// { .t=Instr_T, .x=VM_push, .y=_cust_, .z=G_XLAT_OK-1, },
// { .t=Instr_T, .x=VM_push, .y=_func_, .z=G_XLAT_OK+0, },
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(1), .z=G_XLAT_OK+1, }, // value
{ .t=Instr_T, .x=VM_roll, .y=TO_FIX(3), .z=G_XLAT_OK+2, }, // cust
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(-1), .z=G_XLAT_OK+3, }, // in
{ .t=Instr_T, .x=VM_push, .y=G_XLAT_K, .z=G_XLAT_OK+4, }, // G_XLAT_K
{ .t=Instr_T, .x=VM_beh, .y=TO_FIX(2), .z=G_XLAT_OK+5, }, // BECOME (G_XLAT_K cust in)
{ .t=Instr_T, .x=VM_my, .y=MY_SELF, .z=G_XLAT_OK+6, }, // k_xlat = SELF
{ .t=Instr_T, .x=VM_roll, .y=TO_FIX(3), .z=G_XLAT_OK+7, }, // func
{ .t=Instr_T, .x=VM_send, .y=TO_FIX(2), .z=COMMIT, }, // (func k_xlat value)
#define G_XLAT_B (G_XLAT_OK+8)
// { .t=Instr_T, .x=VM_push, .y=_func_, .z=G_XLAT_B+0, },
// { .t=Instr_T, .x=VM_push, .y=_ptrn_, .z=G_XLAT_B-1, },
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(0), .z=G_XLAT_B+1, }, // (custs . resume)
{ .t=Instr_T, .x=VM_part, .y=TO_FIX(1), .z=G_XLAT_B+2, }, // resume custs
{ .t=Instr_T, .x=VM_part, .y=TO_FIX(1), .z=G_XLAT_B+3, }, // fail ok
{ .t=Instr_T, .x=VM_pick, .y=TO_FIX(5), .z=G_XLAT_B+4, }, // func
{ .t=Instr_T, .x=VM_push, .y=G_XLAT_OK, .z=G_XLAT_B+5, }, // G_XLAT_OK
{ .t=Instr_T, .x=VM_new, .y=TO_FIX(2), .z=G_XLAT_B+6, }, // ok'
{ .t=Instr_T, .x=VM_pair, .y=TO_FIX(1), .z=G_XLAT_B+7, }, // custs = (ok' . fail)
{ .t=Instr_T, .x=VM_pair, .y=TO_FIX(1), .z=G_XLAT_B+8, }, // msg = (custs . resume)
{ .t=Instr_T, .x=VM_pick, .y=TO_FIX(2), .z=SEND_0, }, // ptrn
#define S_CHAIN (G_XLAT_B+9)
#define S_BUSY_C (S_CHAIN+11)
#define S_NEXT_C (S_BUSY_C+17)
// { .t=Instr_T, .x=VM_push, .y=_ptrn_, .z=S_CHAIN-1, },
// { .t=Instr_T, .x=VM_push, .y=_src_, .z=S_CHAIN+0, },
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(0), .z=S_CHAIN+1, }, // cust
{ .t=Instr_T, .x=VM_pick, .y=TO_FIX(3), .z=S_CHAIN+2, }, // ptrn
{ .t=Instr_T, .x=VM_push, .y=S_BUSY_C, .z=S_CHAIN+3, }, // S_BUSY_C
{ .t=Instr_T, .x=VM_beh, .y=TO_FIX(2), .z=S_CHAIN+4, }, // BECOME (S_BUSY_C cust ptrn)
{ .t=Instr_T, .x=VM_my, .y=MY_SELF, .z=S_CHAIN+5, }, // fail = SELF
{ .t=Instr_T, .x=VM_my, .y=MY_SELF, .z=S_CHAIN+6, }, // ok = SELF
{ .t=Instr_T, .x=VM_pair, .y=TO_FIX(1), .z=S_CHAIN+7, }, // custs = (ok . fail)
{ .t=Instr_T, .x=VM_roll, .y=TO_FIX(3), .z=S_CHAIN+8, }, // ptrn
{ .t=Instr_T, .x=VM_push, .y=G_START, .z=S_CHAIN+9, }, // G_START
{ .t=Instr_T, .x=VM_new, .y=TO_FIX(2), .z=S_CHAIN+10, }, // start = (G_START custs ptrn)
{ .t=Instr_T, .x=VM_roll, .y=TO_FIX(2), .z=SEND_0, }, // src
// { .t=Instr_T, .x=VM_push, .y=_cust_, .z=S_BUSY_C-1, },
// { .t=Instr_T, .x=VM_push, .y=_ptrn_, .z=S_BUSY_C+0, },
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(0), .z=S_BUSY_C+1, }, // msg
{ .t=Instr_T, .x=VM_typeq, .y=Actor_T, .z=S_BUSY_C+2, }, // msg has type Actor_T
{ .t=Instr_T, .x=VM_if, .y=RESEND, .z=S_BUSY_C+3, }, // defer "get" requests
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(-1), .z=S_BUSY_C+4, }, // cdr(msg)
{ .t=Instr_T, .x=VM_typeq, .y=Pair_T, .z=S_BUSY_C+5, }, // cdr(msg) has type Pair_T
{ .t=Instr_T, .x=VM_if, .y=S_BUSY_C+6, .z=S_BUSY_C+12, }, // treat failure as end
{ .t=Instr_T, .x=VM_pick, .y=TO_FIX(1), .z=S_BUSY_C+7, }, // ptrn
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(-1), .z=S_BUSY_C+8, }, // in
{ .t=Instr_T, .x=VM_push, .y=S_NEXT_C, .z=S_BUSY_C+9, }, // S_NEXT_C
{ .t=Instr_T, .x=VM_new, .y=TO_FIX(2), .z=S_BUSY_C+10, }, // next = (S_NEXT_C ptrn in)
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(1), .z=S_BUSY_C+11, }, // token = value
{ .t=Instr_T, .x=VM_pair, .y=TO_FIX(1), .z=S_BUSY_C+13, }, // in = (token . next)
{ .t=Instr_T, .x=VM_push, .y=NIL, .z=S_BUSY_C+13, }, // in = ()
{ .t=Instr_T, .x=VM_push, .y=S_VALUE, .z=S_BUSY_C+14, }, // S_VALUE
{ .t=Instr_T, .x=VM_beh, .y=TO_FIX(1), .z=S_BUSY_C+15, }, // BECOME (S_VALUE in)
{ .t=Instr_T, .x=VM_roll, .y=TO_FIX(2), .z=S_BUSY_C+16, }, // cust
{ .t=Instr_T, .x=VM_my, .y=MY_SELF, .z=SEND_0, }, // (SELF . cust)
// { .t=Instr_T, .x=VM_push, .y=_ptrn_, .z=S_NEXT_C-1, },
// { .t=Instr_T, .x=VM_push, .y=_in_, .z=S_NEXT_C+0, },
{ .t=Instr_T, .x=VM_msg, .y=TO_FIX(0), .z=S_NEXT_C+1, }, // cust
{ .t=Instr_T, .x=VM_pick, .y=TO_FIX(3), .z=S_NEXT_C+2, }, // ptrn
{ .t=Instr_T, .x=VM_push, .y=S_BUSY_C, .z=S_NEXT_C+3, }, // S_BUSY_C
{ .t=Instr_T, .x=VM_beh, .y=TO_FIX(2), .z=S_NEXT_C+4, }, // BECOME (S_BUSY_C cust ptrn)
{ .t=Instr_T, .x=VM_push, .y=UNDEF, .z=S_NEXT_C+5, }, // value = UNDEF
{ .t=Instr_T, .x=VM_my, .y=MY_SELF, .z=S_NEXT_C+6, }, // fail = SELF
{ .t=Instr_T, .x=VM_my, .y=MY_SELF, .z=S_NEXT_C+7, }, // ok = SELF
{ .t=Instr_T, .x=VM_pair, .y=TO_FIX(1), .z=S_NEXT_C+8, }, // custs = (ok . fail)
{ .t=Instr_T, .x=VM_pair, .y=TO_FIX(2), .z=S_NEXT_C+9, }, // (custs value . in)
{ .t=Instr_T, .x=VM_roll, .y=TO_FIX(2), .z=SEND_0, }, // ptrn
#define PEG_END (S_NEXT_C+10)