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New bytecode implementation of mruby VM.

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This commit is contained in:
Yukihiro "Matz" Matsumoto
2018-05-24 15:19:06 +09:00
parent b09d2eb900
commit 891839b976
21 changed files with 2039 additions and 1763 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/mruby/class.h
+2 -1
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@@ -76,7 +76,8 @@ MRB_API struct RClass *mrb_vm_define_class(mrb_state*, mrb_value, mrb_value, mrb
MRB_API struct RClass *mrb_vm_define_module(mrb_state*, mrb_value, mrb_sym);
MRB_API void mrb_define_method_raw(mrb_state*, struct RClass*, mrb_sym, mrb_method_t);
MRB_API void mrb_define_method_id(mrb_state *mrb, struct RClass *c, mrb_sym mid, mrb_func_t func, mrb_aspec aspec);
MRB_API void mrb_alias_method(mrb_state *mrb, struct RClass *c, mrb_sym a, mrb_sym b);
MRB_API void mrb_alias_method(mrb_state*, struct RClass *c, mrb_sym a, mrb_sym b);
MRB_API void mrb_define_alias(mrb_state*, struct RClass *c, const char* a, const char* b);
MRB_API mrb_method_t mrb_method_search_vm(mrb_state*, struct RClass**, mrb_sym);
MRB_API mrb_method_t mrb_method_search(mrb_state*, struct RClass*, mrb_sym);
include/mruby/compile.h
+2
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@@ -33,6 +33,7 @@ typedef struct mrbc_context {
mrb_bool no_exec:1;
mrb_bool keep_lv:1;
mrb_bool no_optimize:1;
mrb_bool on_eval:1;
size_t parser_nerr;
} mrbc_context;
@@ -151,6 +152,7 @@ struct mrb_parser_state {
mrb_ast_node *tree;
mrb_bool no_optimize:1;
mrb_bool on_eval:1;
mrb_bool capture_errors:1;
struct mrb_parser_message error_buffer[10];
struct mrb_parser_message warn_buffer[10];
include/mruby/irep.h
+1 -1
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@@ -44,7 +44,7 @@ typedef struct mrb_irep {
uint16_t *lines;
struct mrb_irep_debug_info* debug_info;
int ilen, plen, slen, rlen, refcnt;
uint16_t ilen, plen, slen, rlen, refcnt;
} mrb_irep;
#define MRB_ISEQ_NO_FREE 1
include/mruby/opcode.h
+47 -139
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@@ -7,145 +7,10 @@
#ifndef MRUBY_OPCODE_H
#define MRUBY_OPCODE_H
#define MAXARG_Bx (0xffff)
#define MAXARG_sBx (MAXARG_Bx>>1) /* 'sBx' is signed */
/* instructions: packed 32 bit */
/* ------------------------------- */
/* A:B:C:OP = 9: 9: 7: 7 */
/* A:Bx:OP = 9:16: 7 */
/* Ax:OP = 25: 7 */
/* A:Bz:Cz:OP = 9:14: 2: 7 */
#define GET_OPCODE(i) ((int)(((mrb_code)(i)) & 0x7f))
#define GETARG_A(i) ((int)((((mrb_code)(i)) >> 23) & 0x1ff))
#define GETARG_B(i) ((int)((((mrb_code)(i)) >> 14) & 0x1ff))
#define GETARG_C(i) ((int)((((mrb_code)(i)) >> 7) & 0x7f))
#define GETARG_Bx(i) ((int)((((mrb_code)(i)) >> 7) & 0xffff))
#define GETARG_sBx(i) ((int)(GETARG_Bx(i)-MAXARG_sBx))
#define GETARG_Ax(i) ((int32_t)((((mrb_code)(i)) >> 7) & 0x1ffffff))
#define GETARG_UNPACK_b(i,n1,n2) ((int)((((mrb_code)(i)) >> (7+(n2))) & (((1<<(n1))-1))))
#define GETARG_UNPACK_c(i,n1,n2) ((int)((((mrb_code)(i)) >> 7) & (((1<<(n2))-1))))
#define GETARG_b(i) GETARG_UNPACK_b(i,14,2)
#define GETARG_c(i) GETARG_UNPACK_c(i,14,2)
#define MKOPCODE(op) ((op) & 0x7f)
#define MKARG_A(c) ((mrb_code)((c) & 0x1ff) << 23)
#define MKARG_B(c) ((mrb_code)((c) & 0x1ff) << 14)
#define MKARG_C(c) (((c) & 0x7f) << 7)
#define MKARG_Bx(v) ((mrb_code)((v) & 0xffff) << 7)
#define MKARG_sBx(v) MKARG_Bx((v)+MAXARG_sBx)
#define MKARG_Ax(v) ((mrb_code)((v) & 0x1ffffff) << 7)
#define MKARG_PACK(b,n1,c,n2) ((((b) & ((1<<n1)-1)) << (7+n2))|(((c) & ((1<<n2)-1)) << 7))
#define MKARG_bc(b,c) MKARG_PACK(b,14,c,2)
#define MKOP_A(op,a) (MKOPCODE(op)|MKARG_A(a))
#define MKOP_AB(op,a,b) (MKOP_A(op,a)|MKARG_B(b))
#define MKOP_ABC(op,a,b,c) (MKOP_AB(op,a,b)|MKARG_C(c))
#define MKOP_ABx(op,a,bx) (MKOP_A(op,a)|MKARG_Bx(bx))
#define MKOP_Bx(op,bx) (MKOPCODE(op)|MKARG_Bx(bx))
#define MKOP_sBx(op,sbx) (MKOPCODE(op)|MKARG_sBx(sbx))
#define MKOP_AsBx(op,a,sbx) (MKOP_A(op,a)|MKARG_sBx(sbx))
#define MKOP_Ax(op,ax) (MKOPCODE(op)|MKARG_Ax(ax))
#define MKOP_Abc(op,a,b,c) (MKOP_A(op,a)|MKARG_bc(b,c))
enum {
/*-----------------------------------------------------------------------
operation code operand description
------------------------------------------------------------------------*/
OP_NOP=0,/* */
OP_MOVE,/* A B R(A) := R(B) */
OP_LOADL,/* A Bx R(A) := Pool(Bx) */
OP_LOADI,/* A sBx R(A) := sBx */
OP_LOADSYM,/* A Bx R(A) := Syms(Bx) */
OP_LOADNIL,/* A R(A) := nil */
OP_LOADSELF,/* A R(A) := self */
OP_LOADT,/* A R(A) := true */
OP_LOADF,/* A R(A) := false */
OP_GETGLOBAL,/* A Bx R(A) := getglobal(Syms(Bx)) */
OP_SETGLOBAL,/* A Bx setglobal(Syms(Bx), R(A)) */
OP_GETSPECIAL,/*A Bx R(A) := Special[Bx] */
OP_SETSPECIAL,/*A Bx Special[Bx] := R(A) */
OP_GETIV,/* A Bx R(A) := ivget(Syms(Bx)) */
OP_SETIV,/* A Bx ivset(Syms(Bx),R(A)) */
OP_GETCV,/* A Bx R(A) := cvget(Syms(Bx)) */
OP_SETCV,/* A Bx cvset(Syms(Bx),R(A)) */
OP_GETCONST,/* A Bx R(A) := constget(Syms(Bx)) */
OP_SETCONST,/* A Bx constset(Syms(Bx),R(A)) */
OP_GETMCNST,/* A Bx R(A) := R(A)::Syms(Bx) */
OP_SETMCNST,/* A Bx R(A+1)::Syms(Bx) := R(A) */
OP_GETUPVAR,/* A B C R(A) := uvget(B,C) */
OP_SETUPVAR,/* A B C uvset(B,C,R(A)) */
OP_JMP,/* sBx pc+=sBx */
OP_JMPIF,/* A sBx if R(A) pc+=sBx */
OP_JMPNOT,/* A sBx if !R(A) pc+=sBx */
OP_ONERR,/* sBx rescue_push(pc+sBx) */
OP_RESCUE,/* A B C if A (if C exc=R(A) else R(A) := exc);
if B R(B) := exc.isa?(R(B)); clear(exc) */
OP_POPERR,/* A A.times{rescue_pop()} */
OP_RAISE,/* A raise(R(A)) */
OP_EPUSH,/* Bx ensure_push(SEQ[Bx]) */
OP_EPOP,/* A A.times{ensure_pop().call} */
OP_SEND,/* A B C R(A) := call(R(A),Syms(B),R(A+1),...,R(A+C)) */
OP_SENDB,/* A B C R(A) := call(R(A),Syms(B),R(A+1),...,R(A+C),&R(A+C+1))*/
OP_FSEND,/* A B C R(A) := fcall(R(A),Syms(B),R(A+1),...,R(A+C-1)) */
OP_CALL,/* A R(A) := self.call(frame.argc, frame.argv) */
OP_SUPER,/* A C R(A) := super(R(A+1),... ,R(A+C+1)) */
OP_ARGARY,/* A Bx R(A) := argument array (16=6:1:5:4) */
OP_ENTER,/* Ax arg setup according to flags (23=5:5:1:5:5:1:1) */
OP_KARG,/* A B C R(A) := kdict[Syms(B)]; if C kdict.rm(Syms(B)) */
OP_KDICT,/* A C R(A) := kdict */
OP_RETURN,/* A B return R(A) (B=normal,in-block return/break) */
OP_TAILCALL,/* A B C return call(R(A),Syms(B),*R(C)) */
OP_BLKPUSH,/* A Bx R(A) := block (16=6:1:5:4) */
OP_ADD,/* A B C R(A) := R(A)+R(A+1) (Syms[B]=:+,C=1) */
OP_ADDI,/* A B C R(A) := R(A)+C (Syms[B]=:+) */
OP_SUB,/* A B C R(A) := R(A)-R(A+1) (Syms[B]=:-,C=1) */
OP_SUBI,/* A B C R(A) := R(A)-C (Syms[B]=:-) */
OP_MUL,/* A B C R(A) := R(A)*R(A+1) (Syms[B]=:*,C=1) */
OP_DIV,/* A B C R(A) := R(A)/R(A+1) (Syms[B]=:/,C=1) */
OP_EQ,/* A B C R(A) := R(A)==R(A+1) (Syms[B]=:==,C=1) */
OP_LT,/* A B C R(A) := R(A)<R(A+1) (Syms[B]=:<,C=1) */
OP_LE,/* A B C R(A) := R(A)<=R(A+1) (Syms[B]=:<=,C=1) */
OP_GT,/* A B C R(A) := R(A)>R(A+1) (Syms[B]=:>,C=1) */
OP_GE,/* A B C R(A) := R(A)>=R(A+1) (Syms[B]=:>=,C=1) */
OP_ARRAY,/* A B C R(A) := ary_new(R(B),R(B+1)..R(B+C)) */
OP_ARYCAT,/* A B ary_cat(R(A),R(B)) */
OP_ARYPUSH,/* A B ary_push(R(A),R(B)) */
OP_AREF,/* A B C R(A) := R(B)[C] */
OP_ASET,/* A B C R(B)[C] := R(A) */
OP_APOST,/* A B C *R(A),R(A+1)..R(A+C) := R(A)[B..] */
OP_STRING,/* A Bx R(A) := str_dup(Lit(Bx)) */
OP_STRCAT,/* A B str_cat(R(A),R(B)) */
OP_HASH,/* A B C R(A) := hash_new(R(B),R(B+1)..R(B+C)) */
OP_LAMBDA,/* A Bz Cz R(A) := lambda(SEQ[Bz],Cz) */
OP_RANGE,/* A B C R(A) := range_new(R(B),R(B+1),C) */
OP_OCLASS,/* A R(A) := ::Object */
OP_CLASS,/* A B R(A) := newclass(R(A),Syms(B),R(A+1)) */
OP_MODULE,/* A B R(A) := newmodule(R(A),Syms(B)) */
OP_EXEC,/* A Bx R(A) := blockexec(R(A),SEQ[Bx]) */
OP_METHOD,/* A B R(A).newmethod(Syms(B),R(A+1)) */
OP_SCLASS,/* A B R(A) := R(B).singleton_class */
OP_TCLASS,/* A R(A) := target_class */
OP_DEBUG,/* A B C print R(A),R(B),R(C) */
OP_STOP,/* stop VM */
OP_ERR,/* Bx raise RuntimeError with message Lit(Bx) */
OP_RSVD1,/* reserved instruction #1 */
OP_RSVD2,/* reserved instruction #2 */
OP_RSVD3,/* reserved instruction #3 */
OP_RSVD4,/* reserved instruction #4 */
OP_RSVD5,/* reserved instruction #5 */
enum mrb_insn {
#define OPCODE(x,_) OP_ ## x,
#include "mruby/ops.h"
#undef OPCODE
};
#define OP_L_STRICT 1
@@ -158,4 +23,47 @@ enum {
#define OP_R_BREAK 1
#define OP_R_RETURN 2
#define PEEK_B(pc) (*(pc))
#define PEEK_S(pc) ((pc)[0]<<8|(pc)[1])
#define PEEK_W(pc) ((pc)[0]<<16|(pc)[1]<<8|(pc)[2])
#define READ_B() PEEK_B(pc++)
#define READ_S() (pc+=2, PEEK_S(pc-2))
#define READ_W() (pc+=3, PEEK_W(pc-3))
#define FETCH_Z() /* nothing */
#define FETCH_B() do {a=READ_B();} while (0)
#define FETCH_BB() do {a=READ_B(); b=READ_B();} while (0)
#define FETCH_BBB() do {a=READ_B(); b=READ_B(); c=READ_B();} while (0)
#define FETCH_BS() do {a=READ_B(); b=READ_S();} while (0)
#define FETCH_S() do {a=READ_S();} while (0)
#define FETCH_W() do {a=READ_W();} while (0)
/* with OP_EXT1 (1st 16bit) */
#define FETCH_Z_1() FETCH_Z()
#define FETCH_B_1() FETCH_S()
#define FETCH_BB_1() do {a=READ_S(); b=READ_B();} while (0)
#define FETCH_BBB_1() do {a=READ_S(); b=READ_B(); c=READ_B();} while (0)
#define FETCH_BS_1() do {a=READ_S(); b=READ_S();} while (0)
#define FETCH_S_1() FETCH_S()
#define FETCH_W_1() FETCH_W()
/* with OP_EXT2 (2nd 16bit) */
#define FETCH_Z_2() FETCH_Z()
#define FETCH_B_2() FETCH_B()
#define FETCH_BB_2() do {a=READ_B(); b=READ_S();} while (0)
#define FETCH_BBB_2() do {a=READ_B(); b=READ_S(); c=READ_B();} while (0)
#define FETCH_BS_2() FETCH_BS()
#define FETCH_S_2() FETCH_S()
#define FETCH_W_2() FETCH_W()
/* with OP_EXT3 (1st & 2nd 16bit) */
#define FETCH_Z_3() FETCH_Z()
#define FETCH_B_3() FETCH_B()
#define FETCH_BB_3() do {a=READ_S(); b=READ_S();} while (0)
#define FETCH_BBB_3() do {a=READ_S(); b=READ_S(); c=READ_B();} while (0)
#define FETCH_BS_3() do {a=READ_S(); b=READ_S();} while (0)
#define FETCH_S_3() FETCH_S()
#define FETCH_W_3() FETCH_W()
#endif /* MRUBY_OPCODE_H */
include/mruby/ops.h
+116
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@@ -0,0 +1,116 @@
/* operand types:
+ Z: no operand (Z,Z,Z,Z)
+ B: 8bit (B,S,B,B)
+ BB: 8+8bit (BB,SB,BS,SS)
+ BBB: 8+8+8bit (BBB,SBB,BSB,SSB)
+ BS: 8+16bit (BS,SS,BS,BS)
+ S: 16bit (S,S,S,S)
+ W: 24bit (W,W,W,W)
*/
/*-----------------------------------------------------------------------
operation code operands semantics
------------------------------------------------------------------------*/
OPCODE(NOP, Z) /* no operation */
OPCODE(MOVE, BB) /* R(a) = R(b) */
OPCODE(LOADL, BB) /* R(a) = Pool(b) */
OPCODE(LOADI, BB) /* R(a) = mrb_int(b) */
OPCODE(LOADINEG, BB) /* R(a) = mrb_int(-b) */
OPCODE(LOADI__1, B) /* R(a) = mrb_int(-1) */
OPCODE(LOADI_0, B) /* R(a) = mrb_int(0) */
OPCODE(LOADI_1, B) /* R(a) = mrb_int(1) */
OPCODE(LOADI_2, B) /* R(a) = mrb_int(2) */
OPCODE(LOADI_3, B) /* R(a) = mrb_int(3) */
OPCODE(LOADI_4, B) /* R(a) = mrb_int(4) */
OPCODE(LOADI_5, B) /* R(a) = mrb_int(5) */
OPCODE(LOADI_6, B) /* R(a) = mrb_int(6) */
OPCODE(LOADI_7, B) /* R(a) = mrb_int(7) */
OPCODE(LOADSYM, BB) /* R(a) = Syms(b) */
OPCODE(LOADNIL, B) /* R(a) = nil */
OPCODE(LOADSELF, B) /* R(a) = self */
OPCODE(LOADT, B) /* R(a) = true */
OPCODE(LOADF, B) /* R(a) = false */
OPCODE(GETGV, BB) /* R(a) = getglobal(Syms(b)) */
OPCODE(SETGV, BB) /* setglobal(Syms(b), R(a)) */
OPCODE(GETSV, BB) /* R(a) = Special[Syms(b)] */
OPCODE(SETSV, BB) /* Special[Syms(b)] = R(a) */
OPCODE(GETIV, BB) /* R(a) = ivget(Syms(b)) */
OPCODE(SETIV, BB) /* ivset(Syms(b),R(a)) */
OPCODE(GETCV, BB) /* R(a) = cvget(Syms(b)) */
OPCODE(SETCV, BB) /* cvset(Syms(b),R(a)) */
OPCODE(GETCONST, BB) /* R(a) = constget(Syms(b)) */
OPCODE(SETCONST, BB) /* constset(Syms(b),R(a)) */
OPCODE(GETMCNST, BB) /* R(a) = R(a)::Syms(b) */
OPCODE(SETMCNST, BB) /* R(a+1)::Syms(b) = R(a) */
OPCODE(GETUPVAR, BBB) /* R(a) = uvget(b,c) */
OPCODE(SETUPVAR, BBB) /* uvset(b,c,R(a)) */
OPCODE(JMP, S) /* pc=a */
OPCODE(JMPIF, BS) /* if R(b) pc=a */
OPCODE(JMPNOT, BS) /* if !R(b) pc=a */
OPCODE(JMPNIL, BS) /* if R(b)==nil pc=a */
OPCODE(ONERR, S) /* rescue_push(a) */
OPCODE(EXCEPT, B) /* R(a) = exc */
OPCODE(RESCUE, BB) /* R(b) = R(a).isa?(R(b)) */
OPCODE(POPERR, B) /* a.times{rescue_pop()} */
OPCODE(RAISE, B) /* raise(R(a)) */
OPCODE(EPUSH, B) /* ensure_push(SEQ[a]) */
OPCODE(EPOP, B) /* A.times{ensure_pop().call} */
OPCODE(SENDV, BB) /* R(a) = call(R(a),Syms(b),*R(a+1)) */
OPCODE(SENDVB, BB) /* R(a) = call(R(a),Syms(b),*R(a+1),&R(a+2)) */
OPCODE(SEND, BBB) /* R(a) = call(R(a),Syms(b),R(a+1),...,R(a+c)) */
OPCODE(SENDB, BBB) /* R(a) = call(R(a),Syms(Bx),R(a+1),...,R(a+c),&R(a+c+1)) */
OPCODE(CALL, Z) /* R(0) = self.call(frame.argc, frame.argv) */
OPCODE(SUPER, BB) /* R(a) = super(R(a+1),... ,R(a+b+1)) */
OPCODE(ARGARY, BS) /* R(a) = argument array (16=6:1:5:4) */
OPCODE(ENTER, W) /* arg setup according to flags (23=5:5:1:5:5:1:1) */
OPCODE(KARG, BB) /* R(a) = kdict[Syms(Bx)] # todo */
OPCODE(KARG2, BB) /* R(a) = kdict[Syms(Bx)]; kdict.rm(Syms(b)) # todo */
OPCODE(KDICT, B) /* R(a) = kdict # todo */
OPCODE(RETURN, B) /* return R(a) (normal) */
OPCODE(RETURN_BLK, B) /* return R(a) (in-block return) */
OPCODE(BREAK, B) /* break R(a) */
OPCODE(BLKPUSH, BS) /* R(a) = block (16=6:1:5:4) */
OPCODE(ADD, BB) /* R(a) = R(a)+R(a+1) (Syms[b]=:+) */
OPCODE(ADDI, BBB) /* R(a) = R(a)+mrb_int(c) (Syms[b]=:+) */
OPCODE(SUB, BB) /* R(a) = R(a)-R(a+1) (Syms[b]=:-) */
OPCODE(SUBI, BBB) /* R(a) = R(a)-C (Syms[b]=:-) */
OPCODE(MUL, BB) /* R(a) = R(a)*R(a+1) (Syms[b]=:*) */
OPCODE(DIV, BB) /* R(a) = R(a)/R(a+1) (Syms[b]=:/) */
OPCODE(EQ, BB) /* R(a) = R(a)==R(a+1) (Syms[b]=:==) */
OPCODE(LT, BB) /* R(a) = R(a)<R(a+1) (Syms[b]=:<) */
OPCODE(LE, BB) /* R(a) = R(a)<=R(a+1) (Syms[b]=:<=) */
OPCODE(GT, BB) /* R(a) = R(a)>R(a+1) (Syms[b]=:>) */
OPCODE(GE, BB) /* R(a) = R(a)>=R(a+1) (Syms[b]=:>=) */
OPCODE(ARRAY, BB) /* R(a) = ary_new(R(a),R(a+1)..R(a+b)) */
OPCODE(ARRAY2, BBB) /* R(a) = ary_new(R(b),R(b+1)..R(b+c)) */
OPCODE(ARYCAT, B) /* ary_cat(R(a),R(a+1)) */
OPCODE(ARYPUSH, B) /* ary_push(R(a),R(a+1)) */
OPCODE(ARYDUP, B) /* R(a) = ary_dup(R(a)) */
OPCODE(AREF, BBB) /* R(a) = R(b)[c] */
OPCODE(ASET, BBB) /* R(a)[c] = R(b) */
OPCODE(APOST, BBB) /* *R(a),R(a+1)..R(a+C) = R(a)[b..] */
OPCODE(INTERN, B) /* R(a) = intern(R(a)) */
OPCODE(STRING, BB) /* R(a) = str_dup(Lit(b)) */
OPCODE(STRCAT, B) /* str_cat(R(a),R(a+1)) */
OPCODE(HASH, BB) /* R(a) = hash_new(R(a),R(a+1)..R(a+b)) */
OPCODE(HASHADD, BB) /* R(a) = hash_push(R(a),R(a+1)..R(a+b)) */
OPCODE(LAMBDA, BB) /* R(a) = lambda(SEQ[b],L_LAMBDA) */
OPCODE(BLOCK, BB) /* R(a) = lambda(SEQ[b],L_BLOCK) */
OPCODE(METHOD, BB) /* R(a) = lambda(SEQ[b],L_METHOD) */
OPCODE(RANGE_INC, B) /* R(a) = range_new(R(a),R(a+1),FALSE) */
OPCODE(RANGE_EXC, B) /* R(a) = range_new(R(a),R(a+1),TRUE) */
OPCODE(OCLASS, B) /* R(a) = ::Object */
OPCODE(CLASS, BB) /* R(a) = newclass(R(a),Syms(b),R(a+1)) */
OPCODE(MODULE, BB) /* R(a) = newmodule(R(a),Syms(b)) */
OPCODE(EXEC, BB) /* R(a) = blockexec(R(a),SEQ[b]) */
OPCODE(DEF, BB) /* R(a).newmethod(Syms(b),R(a+1)) */
OPCODE(ALIAS, BB) /* alias_method(target_class,Syms(a),Syms(b)) */
OPCODE(UNDEF, B) /* undef_method(target_class,Syms(a)) */
OPCODE(SCLASS, B) /* R(a) = R(a).singleton_class */
OPCODE(TCLASS, B) /* R(a) = target_class */
OPCODE(DEBUG, BBB) /* print a,b,c */
OPCODE(ERR, B) /* raise(LocalJumpError, Lit(a)) */
OPCODE(EXT1, Z) /* make 1st operand 16bit */
OPCODE(EXT2, Z) /* make 2nd operand 16bit */
OPCODE(EXT3, Z) /* make 1st and 2nd operands 16bit */
OPCODE(STOP, Z) /* stop VM */