update README.md
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ValKmjolnir
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README.md
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README.md
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@ -1556,15 +1556,20 @@ hello
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[vm] error: error occurred this line
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[vm] native function error.
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trace back:
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0x00000088: callb 0x22 <__builtin_die@0x417620> (lib.nas:19)
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0x000002af: callfv 0x1 (a.nas:5)
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0x000002b3: callfv 0x0 (a.nas:7)
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vm stack(limit 10, total 5):
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| null |
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| addr | pc:0x2af
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| func | <0x6c62c0> entry:0x88
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| addr | pc:0x2b3
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| func | <0x6c8910> entry:0x2a9
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0x000000ac: 40 00 00 00 25 callb 0x25 <__builtin_die@0x419c00> (lib.nas:131)
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0x00000463: 3e 00 00 00 01 callfv 0x1 (a.nas:4)
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0x00000467: 3e 00 00 00 00 callfv 0x0 (a.nas:6)
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vm stack(0x7fffcdeb0210<sp+77>, limit 10, total 10):
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0x00000056 | null |
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0x00000055 | pc | 0x463
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0x00000054 | addr | 0x7fffcdeb0220
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0x00000053 | str | <0xf38370> error occurred this line
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0x00000052 | nil |
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0x00000051 | func | <0xef2d70> entry:0x45d
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0x00000050 | pc | 0x467
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0x0000004f | addr | 0x0
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0x0000004e | nil |
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0x0000004d | nil |
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```
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### 2. stack overflow crash info
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@ -1584,22 +1589,21 @@ func(f){
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```javascript
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[vm] stack overflow
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trace back:
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0x0000000d: calll 0x1 (a.nas:5)
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0x0000000f: callfv 0x1 (a.nas:5)
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0x0000000f: 2044 same call(s)
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0x00000007: callfv 0x1 (a.nas:2)
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0x00000013: callfv 0x1 (a.nas:3)
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vm stack(limit 10, total 4095):
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| func | <0x24f1f10> entry:0xd
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| addr | pc:0xf
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| func | <0x24f1f10> entry:0xd
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| addr | pc:0xf
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| func | <0x24f1f10> entry:0xd
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| addr | pc:0xf
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| func | <0x24f1f10> entry:0xd
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| addr | pc:0xf
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| func | <0x24f1f10> entry:0xd
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| addr | pc:0xf
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0x00000468: 3e 00 00 00 01 callfv 0x1 (a.nas:5)
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0x00000468: 1620 same call(s)
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0x00000460: 3e 00 00 00 01 callfv 0x1 (a.nas:2)
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0x0000046c: 3e 00 00 00 01 callfv 0x1 (a.nas:3)
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vm stack(0x7ffffb444450<sp+77>, limit 10, total 8112):
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0x00001ffc | func | <0x11f3860> entry:0x466
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0x00001ffb | func | <0x11f3860> entry:0x466
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0x00001ffa | pc | 0x468
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0x00001ff9 | addr | 0x7ffffb463ea0
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0x00001ff8 | func | <0x11f3860> entry:0x466
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0x00001ff7 | nil |
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0x00001ff6 | func | <0x11f3860> entry:0x466
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0x00001ff5 | pc | 0x468
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0x00001ff4 | addr | 0x7ffffb463e50
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0x00001ff3 | func | <0x11f3860> entry:0x466
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```
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### 3. normal vm error crash info
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@ -1615,9 +1619,9 @@ func(){
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```javascript
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[vm] callv: must call a vector/hash/string
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trace back:
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0x00000008: callv 0x0 (a.nas:3)
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vm stack(limit 10, total 1):
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| num | 0
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0x00000461: 3b 00 00 00 00 callv 0x0 (a.nas:3)
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vm stack(0x7fffecc93c50<sp+77>, limit 10, total 1):
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0x0000004d | num | 0
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```
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### 4. detailed crash info
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@ -1625,39 +1629,111 @@ vm stack(limit 10, total 1):
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Use command __`-d`__ or __`--detail`__ the trace back info will show more details:
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```javascript
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hello world
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[vm] error: exception test
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hello
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[vm] error: error occurred this line
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[vm] native function error.
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trace back:
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0x00000088: callb 0x22 <__builtin_die@0x417280> (lib.nas:19)
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0x00000312: callfv 0x1 (test/exception.nas:16)
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0x00000346: callfv 0x0 (test/exception.nas:39)
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vm stack(limit 10, total 5):
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| null |
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| addr | pc:0x312
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| func | <0x23ced40> entry:0x88
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| addr | pc:0x346
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| func | <0x23d1610> entry:0x30c
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mcall address: 0x24c2158
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global:
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[0x00000000] | func | <0x23f11f0> entry:0x5
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[0x00000001] | func | <0x23ce2a0> entry:0xc
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[0x00000002] | func | <0x23ce340> entry:0x14
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...
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[0x0000001b] | hash | <0x24a8480> {14 val}
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...
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[0x00000021] | num | 0.3048
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[0x00000022] | num | 3.7854
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...
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[0x0000002e] | num | 57.2958
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[0x0000002f] | hash | <0x24a85a0> {16 val}
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[0x00000030] | hash | <0x24a8600> {4 val}
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...
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[0x00000035] | func | <0x23d17f0> entry:0x335
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local:
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[0x00000000] | nil |
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[0x00000001] | str | <0x24b9410> exception test
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no upvalue exists
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0x000000ac: 40 00 00 00 25 callb 0x25 <__builtin_die@0x419c00> (lib.nas:131)
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0x00000463: 3e 00 00 00 01 callfv 0x1 (a.nas:4)
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0x00000467: 3e 00 00 00 00 callfv 0x0 (a.nas:6)
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vm stack(0x7ffff0019810<sp+77>, limit 10, total 10):
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0x00000056 | null |
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0x00000055 | pc | 0x463
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0x00000054 | addr | 0x7ffff0019820
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0x00000053 | str | <0x14a7890> error occurred this line
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0x00000052 | nil |
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0x00000051 | func | <0x1462290> entry:0x45d
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0x00000050 | pc | 0x467
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0x0000004f | addr | 0x0
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0x0000004e | nil |
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0x0000004d | nil |
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maddr:
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(0x0)
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localr:
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(0x7ffff0019860)
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funcr:
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(<0x1452d40> entry:0xac)
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global(0x7ffff0019340<sp+0>):
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0x00000000 | func | <0x146faf0> entry:0x5
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0x00000001 | func | <0x14528e0> entry:0xc
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0x00000002 | func | <0x146fc10> entry:0x14
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0x00000003 | func | <0x1445700> entry:0x1c
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0x00000004 | func | <0x1452900> entry:0x23
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0x00000005 | func | <0x14411c0> entry:0x29
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0x00000006 | func | <0x1441260> entry:0x31
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0x00000007 | func | <0x1441300> entry:0x39
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0x00000008 | func | <0x14413a0> entry:0x40
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0x00000009 | func | <0x1441440> entry:0x47
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0x0000000a | func | <0x14414e0> entry:0x4e
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0x0000000b | func | <0x145eea0> entry:0x54
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0x0000000c | func | <0x145ef40> entry:0x5d
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0x0000000d | func | <0x145efe0> entry:0x6a
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0x0000000e | func | <0x145f080> entry:0x71
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0x0000000f | func | <0x145f120> entry:0x78
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0x00000010 | func | <0x145f1c0> entry:0x7f
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0x00000011 | func | <0x14457a0> entry:0x87
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0x00000012 | func | <0x14457c0> entry:0x8f
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0x00000013 | func | <0x1452b60> entry:0x96
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0x00000014 | func | <0x1452c00> entry:0x9d
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0x00000015 | func | <0x1452ca0> entry:0xa3
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0x00000016 | func | <0x1452d40> entry:0xac
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0x00000017 | func | <0x1452de0> entry:0xb4
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0x00000018 | func | <0x1452e80> entry:0xbb
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0x00000019 | func | <0x1452ea0> entry:0xc5
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0x0000001a | func | <0x146cd70> entry:0xdc
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0x0000001b | func | <0x146ce10> entry:0xe4
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0x0000001c | func | <0x146ceb0> entry:0xec
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0x0000001d | func | <0x146cf50> entry:0xf4
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0x0000001e | func | <0x146cff0> entry:0xfc
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0x0000001f | func | <0x146d090> entry:0x103
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0x00000020 | func | <0x14724c0> entry:0x10a
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0x00000021 | func | <0x1472560> entry:0x111
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0x00000022 | func | <0x1472600> entry:0x11e
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0x00000023 | func | <0x14726a0> entry:0x125
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0x00000024 | func | <0x1472740> entry:0x131
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0x00000025 | func | <0x14727e0> entry:0x13c
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0x00000026 | func | <0x1472880> entry:0x147
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0x00000027 | func | <0x1472ee0> entry:0x152
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0x00000028 | func | <0x1472f80> entry:0x15d
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0x00000029 | func | <0x1473020> entry:0x174
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0x0000002a | func | <0x14730c0> entry:0x18d
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0x0000002b | func | <0x1473160> entry:0x198
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0x0000002c | func | <0x1473200> entry:0x1a4
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0x0000002d | func | <0x14732a0> entry:0x1bd
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0x0000002e | func | <0x146d0b0> entry:0x1e9
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0x0000002f | func | <0x146d0d0> entry:0x1f8
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0x00000030 | hash | <0x1495130> {14 val}
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0x00000031 | func | <0x145d1a0> entry:0x25c
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0x00000032 | hash | <0x1495150> {9 val}
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0x00000033 | hash | <0x1495170> {14 val}
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0x00000034 | hash | <0x1495190> {16 val}
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0x00000035 | hash | <0x14951b0> {4 val}
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0x00000036 | hash | <0x14951d0> {1 val}
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0x00000037 | hash | <0x14951f0> {1 val}
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0x00000038 | num | 0.0174533
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0x00000039 | num | 0.5925
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0x0000003a | num | 0.3048
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0x0000003b | num | 3.7854
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0x0000003c | num | 0.0254
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0x0000003d | num | 2.2046
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0x0000003e | num | 1.6878
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0x0000003f | num | 0.5144
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0x00000040 | num | 0.2642
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0x00000041 | num | 0.4536
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0x00000042 | num | 3.2808
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0x00000043 | num | 39.3701
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0x00000044 | num | 0.00054
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0x00000045 | num | 1.9438
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0x00000046 | num | 1852
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0x00000047 | num | 57.2958
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0x00000048 | func | <0x1461f70> entry:0x41a
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0x00000049 | func | <0x1462010> entry:0x42d
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0x0000004a | func | <0x14620b0> entry:0x439
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0x0000004b | func | <0x1462150> entry:0x446
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0x0000004c | func | <0x14621f0> entry:0x453
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local(0x7ffff0019860<sp+82>):
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0x00000000 | nil |
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0x00000001 | str | <0x14a7890> error occurred this line
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```
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## __Debugger__
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@ -1671,6 +1747,7 @@ and the debugger will print this:
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```javascript
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[debug] nasal debug mode
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input 'h' to get help
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source code:
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--> import("lib.nas");
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var fib=func(x)
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@ -1681,15 +1758,15 @@ source code:
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for(var i=0;i<31;i+=1)
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print(fib(i),'\n');
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next bytecode:
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--> 0x00000000: intg 0x34 (test/fib.nas:0)
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0x00000001: newf 0x5 (lib.nas:1)
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0x00000002: intl 0x2 (lib.nas:1)
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0x00000003: para 0x0 ("filename") (lib.nas:1)
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0x00000004: jmp 0x7 (lib.nas:1)
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0x00000005: callb 0x21 <__builtin_import@0x417190> (lib.nas:1)
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0x00000006: ret 0x0 (lib.nas:1)
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0x00000007: loadg 0x0 (lib.nas:1)
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vm stack(limit 5, total 0)
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--> 0x00000000: 01 00 00 00 4f intg 0x4f (a.nas:0)
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0x00000001: 0b 00 00 00 05 newf 0x5 (lib.nas:5)
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0x00000002: 02 00 00 00 02 intl 0x2 (lib.nas:5)
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0x00000003: 0d 00 00 00 00 para 0x0 ("filename") (lib.nas:5)
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0x00000004: 32 00 00 00 07 jmp 0x7 (lib.nas:5)
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0x00000005: 40 00 00 00 24 callb 0x24 <__builtin_import@0x419b20> (lib.nas:6)
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0x00000006: 4a 00 00 00 00 ret 0x0 (lib.nas:6)
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0x00000007: 03 00 00 00 00 loadg 0x0 (lib.nas:5)
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vm stack(0x7fffe05e3190<sp+79>, limit 5, total 0)
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>>
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```
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@ -1714,7 +1791,7 @@ If want help, input `h` to get help.
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When running the debugger, you could see what is on stack.
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This will help you debugging or learning how the vm works:
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```bash
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```javascript
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source code:
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import("lib.nas");
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var fib=func(x)
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@ -1725,19 +1802,19 @@ source code:
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for(var i=0;i<31;i+=1)
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print(fib(i),'\n');
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next bytecode:
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0x000002f0: para 0x3e ("x") (test/fib.nas:2)
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0x000002f1: jmp 0x301 (test/fib.nas:2)
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0x000002f2: calll 0x1 (test/fib.nas:4)
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--> 0x000002f3: lessc 0x2 (2) (test/fib.nas:4)
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0x000002f4: jf 0x2f7 (test/fib.nas:4)
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0x000002f5: calll 0x1 (test/fib.nas:4)
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0x000002f6: ret 0x0 (test/fib.nas:4)
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0x000002f7: callg 0x33 (test/fib.nas:5)
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vm stack(limit 5, total 6):
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| num | 0
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| addr | pc:0x30a
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| num | 0
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| nil |
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| func | <0xed92d0> entry:0x2f2
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0x00000458: 4a 00 00 00 00 ret 0x0 (lib.nas:463)
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0x00000459: 03 00 00 00 4c loadg 0x4c (lib.nas:463)
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0x0000045a: 0b 00 00 04 5e newf 0x45e (a.nas:2)
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0x0000045b: 02 00 00 00 02 intl 0x2 (a.nas:2)
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0x0000045c: 0d 00 00 00 1c para 0x1c ("x") (a.nas:2)
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0x0000045d: 32 00 00 04 6d jmp 0x46d (a.nas:2)
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--> 0x0000045e: 39 00 00 00 01 calll 0x1 (a.nas:4)
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0x0000045f: 2d 00 00 00 02 lessc 0x2 (2) (a.nas:4)
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vm stack(0x7fffe05e3190<sp+79>, limit 5, total 6):
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0x00000054 | pc | 0x476
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0x00000053 | addr | 0x0
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0x00000052 | num | 0
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0x00000051 | nil |
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0x00000050 | nil |
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>>
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```
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