github.com/n1ghtfa1l/go-vnt@v0.6.4-alpha.6/core/wavm/env_module.go (about) 1 // Copyright 2019 The go-vnt Authors 2 // This file is part of the go-vnt library. 3 // 4 // The go-vnt library is free software: you can redistribute it and/or modify 5 // it under the terms of the GNU Lesser General Public License as published by 6 // the Free Software Foundation, either version 3 of the License, or 7 // (at your option) any later version. 8 // 9 // The go-vnt library is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU Lesser General Public License for more details. 13 // 14 // You should have received a copy of the GNU Lesser General Public License 15 // along with the go-vnt library. If not, see <http://www.gnu.org/licenses/>. 16 17 package wavm 18 19 import ( 20 "github.com/vntchain/vnt-wasm/wasm" 21 ) 22 23 type EnvModule struct { 24 functions EnvFunctions 25 module wasm.Module 26 } 27 28 func (m *EnvModule) InitModule(ctx *ChainContext) { 29 m.functions = EnvFunctions{} 30 m.functions.InitFuncTable(ctx) 31 32 funcTable := m.functions.GetFuncTable() 33 34 m.module = wasm.Module{ 35 FunctionIndexSpace: make([]wasm.Function, 0), 36 Export: &wasm.SectionExports{ 37 Entries: make(map[string]wasm.ExportEntry), 38 }, 39 } 40 41 index := uint32(0) 42 for name, function := range funcTable { 43 m.module.Export.Entries[name] = wasm.ExportEntry{ 44 FieldStr: name, 45 Kind: wasm.ExternalFunction, 46 Index: index, 47 } 48 m.module.FunctionIndexSpace = append(m.module.FunctionIndexSpace, function) 49 index++ 50 } 51 } 52 53 func (m *EnvModule) GetModule() *wasm.Module { 54 return &m.module 55 } 56 57 func (m *EnvModule) GetEnvFunctions() EnvFunctions { 58 return m.functions 59 }