| // Copyright 2012 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package colltab |
| |
| // Init is for internal use only. |
| func Init(data interface{}) Weighter { |
| init, ok := data.(tableInitializer) |
| if !ok { |
| return nil |
| } |
| t := &table{} |
| loff, voff := init.FirstBlockOffsets() |
| t.index.index = init.TrieIndex() |
| t.index.index0 = t.index.index[blockSize*int(loff):] |
| t.index.values = init.TrieValues() |
| t.index.values0 = t.index.values[blockSize*int(voff):] |
| t.expandElem = init.ExpandElems() |
| t.contractTries = init.ContractTries() |
| t.contractElem = init.ContractElems() |
| t.maxContractLen = init.MaxContractLen() |
| t.variableTop = init.VariableTop() |
| return t |
| } |
| |
| type tableInitializer interface { |
| TrieIndex() []uint16 |
| TrieValues() []uint32 |
| FirstBlockOffsets() (lookup, value uint16) |
| ExpandElems() []uint32 |
| ContractTries() []struct{ l, h, n, i uint8 } |
| ContractElems() []uint32 |
| MaxContractLen() int |
| VariableTop() uint32 |
| } |
