| // Copyright 2019 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // This file implements outputLanguage for Go |
| package source_generator |
| |
| import ( |
| "sort" |
| ) |
| |
| type Go struct { |
| packageName string |
| currentEnum string |
| } |
| |
| func (*Go) getCommentPrefix() string { return "//" } |
| func (*Go) supportsTypeAlias() bool { return true } |
| |
| func (g *Go) writeExtraHeader(so *sourceOutputter, projectName, customerName string, namespaces []string) { |
| so.writeLineFmt("package %s", g.packageName) |
| } |
| |
| func (*Go) writeExtraFooter(so *sourceOutputter, projectName, customerName string, namespaces []string) { |
| } |
| |
| func (g *Go) writeEnumBegin(so *sourceOutputter, name ...string) { |
| g.currentEnum = toPascalCase(name...) |
| so.writeLineFmt("type %s uint32", toPascalCase(name...)) |
| so.writeLine("const (") |
| so.writeLineFmt("_ %s = iota", toPascalCase(name...)) |
| } |
| |
| func (g *Go) writeEnumEntry(so *sourceOutputter, value uint32, name ...string) { |
| so.writeLineFmt(" %s_%s = %d", g.currentEnum, toPascalCase(name...), value) |
| } |
| |
| func (*Go) writeEnumAliasesBegin(so *sourceOutputter, name ...string) {} |
| |
| func (*Go) writeEnumAlias(so *sourceOutputter, name, from, to []string) {} |
| |
| func (*Go) writeEnumEnd(so *sourceOutputter, name ...string) { |
| so.writeLineFmt(")") |
| } |
| |
| func (*Go) writeEnumExport(so *sourceOutputter, enumName, name []string) {} |
| |
| func (*Go) writeTypeAlias(so *sourceOutputter, from, to []string) { |
| so.writeLineFmt("type %s = %s", toPascalCase(to...), toPascalCase(from...)) |
| } |
| |
| func (*Go) writeNamespacesBegin(so *sourceOutputter, namespaces []string, outputFilename string) {} |
| |
| func (*Go) writeNamespacesEnd(so *sourceOutputter, namespaces []string, outputFilename string) {} |
| |
| func (*Go) writeConstUint32(so *sourceOutputter, value uint32, name ...string) { |
| so.writeLineFmt("const %s uint32 = %d;", toPascalCase(name...), value) |
| } |
| |
| func (*Go) writeConstInt64(so *sourceOutputter, value int64, name ...string) { |
| so.writeLineFmt("const %s int64 = %d;", toPascalCase(name...), value) |
| } |
| |
| func (*Go) writeConstMap(so *sourceOutputter, value map[uint32]string, name ...string) { |
| var keys []uint32 |
| for k := range value { |
| keys = append(keys, k) |
| } |
| sort.Slice(keys, func(i, j int) bool { return keys[i] < keys[j] }) |
| |
| so.writeLineFmt("var %s = map[string]uint32{", toPascalCase(name...)) |
| for _, id := range keys { |
| dimensionValue := value[id] |
| so.writeLineFmt(" \"%s\": %d,", dimensionValue, id) |
| } |
| so.writeLineFmt("}") |
| } |
| |
| func (*Go) writeStringConstant(so *sourceOutputter, value string, name ...string) { |
| so.writeLineFmt("const %s string = \"%s\";", toPascalCase(name...), value) |
| } |
| |
| func (*Go) writeStructBegin(so *sourceOutputter, name ...string) { |
| so.writeLineFmt("type %s struct {", toPascalCase(name...)) |
| } |
| |
| func (*Go) writeStructField(so *sourceOutputter, name, typeName []string) { |
| so.writeLineFmt(" %s %s", toPascalCase(name...), toPascalCase(typeName...)) |
| } |
| |
| func (*Go) writeToVectorMethod(so *sourceOutputter, structName []string, fields [][]string) { |
| so.writeLine("}") |
| so.writeLine("") |
| so.writeLineFmt("func (s %s) ToArray() []uint32 {", toPascalCase(structName...)) |
| so.writeLine(" return []uint32{") |
| for _, field := range fields { |
| so.writeLineFmt(" uint32(s.%s),", toPascalCase(field...)) |
| } |
| so.writeLine(" }") |
| } |
| |
| func (*Go) writeStructEnd(so *sourceOutputter) { |
| so.writeLine("}") |
| } |
| |
| // varName will be the name of the variable containing the base64-encoded serialized proto. |
| // packageName is the name of the go package for the generated code. |
| // If forTesting is true, a constant will be generated for each report ID, based on the report's name. |
| func GoOutputFactory(varName string, packageName string, options generatorOptions) OutputFormatter { |
| return newSourceOutputter(&Go{packageName: packageName}, varName, options).getOutputFormatter() |
| } |
