diff options
Diffstat (limited to 'vendor/github.com/tdewolff/parse/js/hash.go')
-rw-r--r-- | vendor/github.com/tdewolff/parse/js/hash.go | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/vendor/github.com/tdewolff/parse/js/hash.go b/vendor/github.com/tdewolff/parse/js/hash.go new file mode 100644 index 0000000..3de86b2 --- /dev/null +++ b/vendor/github.com/tdewolff/parse/js/hash.go @@ -0,0 +1,156 @@ +package js + +// generated by hasher -file hash.go -type Hash; DO NOT EDIT, except for adding more constants to the list and rerun go generate + +// uses github.com/tdewolff/hasher +//go:generate hasher -type=Hash -file=hash.go + +// Hash defines perfect hashes for a predefined list of strings +type Hash uint32 + +// Unique hash definitions to be used instead of strings +const ( + Break Hash = 0x5 // break + Case Hash = 0x3404 // case + Catch Hash = 0xba05 // catch + Class Hash = 0x505 // class + Const Hash = 0x2c05 // const + Continue Hash = 0x3e08 // continue + Debugger Hash = 0x8408 // debugger + Default Hash = 0xab07 // default + Delete Hash = 0xcd06 // delete + Do Hash = 0x4c02 // do + Else Hash = 0x3704 // else + Enum Hash = 0x3a04 // enum + Export Hash = 0x1806 // export + Extends Hash = 0x4507 // extends + False Hash = 0x5a05 // false + Finally Hash = 0x7a07 // finally + For Hash = 0xc403 // for + Function Hash = 0x4e08 // function + If Hash = 0x5902 // if + Implements Hash = 0x5f0a // implements + Import Hash = 0x6906 // import + In Hash = 0x4202 // in + Instanceof Hash = 0x710a // instanceof + Interface Hash = 0x8c09 // interface + Let Hash = 0xcf03 // let + New Hash = 0x1203 // new + Null Hash = 0x5504 // null + Package Hash = 0x9507 // package + Private Hash = 0x9c07 // private + Protected Hash = 0xa309 // protected + Public Hash = 0xb506 // public + Return Hash = 0xd06 // return + Static Hash = 0x2f06 // static + Super Hash = 0x905 // super + Switch Hash = 0x2606 // switch + This Hash = 0x2304 // this + Throw Hash = 0x1d05 // throw + True Hash = 0xb104 // true + Try Hash = 0x6e03 // try + Typeof Hash = 0xbf06 // typeof + Var Hash = 0xc703 // var + Void Hash = 0xca04 // void + While Hash = 0x1405 // while + With Hash = 0x2104 // with + Yield Hash = 0x8005 // yield +) + +// String returns the hash' name. +func (i Hash) String() string { + start := uint32(i >> 8) + n := uint32(i & 0xff) + if start+n > uint32(len(_Hash_text)) { + return "" + } + return _Hash_text[start : start+n] +} + +// ToHash returns the hash whose name is s. It returns zero if there is no +// such hash. It is case sensitive. +func ToHash(s []byte) Hash { + if len(s) == 0 || len(s) > _Hash_maxLen { + return 0 + } + h := uint32(_Hash_hash0) + for i := 0; i < len(s); i++ { + h ^= uint32(s[i]) + h *= 16777619 + } + if i := _Hash_table[h&uint32(len(_Hash_table)-1)]; int(i&0xff) == len(s) { + t := _Hash_text[i>>8 : i>>8+i&0xff] + for i := 0; i < len(s); i++ { + if t[i] != s[i] { + goto NEXT + } + } + return i + } +NEXT: + if i := _Hash_table[(h>>16)&uint32(len(_Hash_table)-1)]; int(i&0xff) == len(s) { + t := _Hash_text[i>>8 : i>>8+i&0xff] + for i := 0; i < len(s); i++ { + if t[i] != s[i] { + return 0 + } + } + return i + } + return 0 +} + +const _Hash_hash0 = 0x9acb0442 +const _Hash_maxLen = 10 +const _Hash_text = "breakclassupereturnewhilexporthrowithiswitchconstaticaselsen" + + "umcontinuextendsdofunctionullifalseimplementsimportryinstanc" + + "eofinallyieldebuggerinterfacepackageprivateprotectedefaultru" + + "epublicatchtypeoforvarvoidelete" + +var _Hash_table = [1 << 6]Hash{ + 0x0: 0x2f06, // static + 0x1: 0x9c07, // private + 0x3: 0xb104, // true + 0x6: 0x5a05, // false + 0x7: 0x4c02, // do + 0x9: 0x2c05, // const + 0xa: 0x2606, // switch + 0xb: 0x6e03, // try + 0xc: 0x1203, // new + 0xd: 0x4202, // in + 0xf: 0x8005, // yield + 0x10: 0x5f0a, // implements + 0x11: 0xc403, // for + 0x12: 0x505, // class + 0x13: 0x3a04, // enum + 0x16: 0xc703, // var + 0x17: 0x5902, // if + 0x19: 0xcf03, // let + 0x1a: 0x9507, // package + 0x1b: 0xca04, // void + 0x1c: 0xcd06, // delete + 0x1f: 0x5504, // null + 0x20: 0x1806, // export + 0x21: 0xd06, // return + 0x23: 0x4507, // extends + 0x25: 0x2304, // this + 0x26: 0x905, // super + 0x27: 0x1405, // while + 0x29: 0x5, // break + 0x2b: 0x3e08, // continue + 0x2e: 0x3404, // case + 0x2f: 0xab07, // default + 0x31: 0x8408, // debugger + 0x32: 0x1d05, // throw + 0x33: 0xbf06, // typeof + 0x34: 0x2104, // with + 0x35: 0xba05, // catch + 0x36: 0x4e08, // function + 0x37: 0x710a, // instanceof + 0x38: 0xa309, // protected + 0x39: 0x8c09, // interface + 0x3b: 0xb506, // public + 0x3c: 0x3704, // else + 0x3d: 0x7a07, // finally + 0x3f: 0x6906, // import +} |