1// Copyright (C) 2016 The Android Open Source Project 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15package clang 16 17import ( 18 "path/filepath" 19 "strings" 20 21 "android/soong/android" 22 "android/soong/genrule" 23 24 "github.com/google/blueprint" 25 "github.com/google/blueprint/proptools" 26) 27 28func init() { 29 android.RegisterModuleType("clang_tblgen", clangTblgenFactory) 30} 31 32var ( 33 pctx = android.NewPackageContext("android/soong/clang") 34 35 clangTblgen = pctx.HostBinToolVariable("clangTblgen", "clang-tblgen") 36 37 tblgenRule = pctx.StaticRule("tblgenRule", blueprint.RuleParams{ 38 Depfile: "${out}.d", 39 Deps: blueprint.DepsGCC, 40 Command: "${clangTblgen} ${includes} ${genopt} -d ${depfile} -o ${out} ${in}", 41 CommandDeps: []string{"${clangTblgen}"}, 42 Description: "Clang TableGen $in => $out", 43 }, "includes", "depfile", "genopt") 44) 45 46type tblgenProperties struct { 47 In *string 48 Outs []string 49} 50 51type tblgen struct { 52 android.ModuleBase 53 54 properties tblgenProperties 55 56 exportedHeaderDirs android.Paths 57 generatedHeaders android.Paths 58} 59 60var _ genrule.SourceFileGenerator = (*tblgen)(nil) 61 62func (t *tblgen) GenerateAndroidBuildActions(ctx android.ModuleContext) { 63 in := android.PathForModuleSrc(ctx, proptools.String(t.properties.In)) 64 65 includes := []string{ 66 "-I " + ctx.ModuleDir(), 67 "-I external/llvm/include", 68 "-I external/llvm/lib/Target", 69 "-I external/clang/include", 70 "-I " + filepath.Dir(in.String()), 71 } 72 73 for _, o := range t.properties.Outs { 74 out := android.PathForModuleGen(ctx, o) 75 generator := outToGenerator(ctx, o) 76 77 ctx.ModuleBuild(pctx, android.ModuleBuildParams{ 78 Rule: tblgenRule, 79 Input: in, 80 Output: out, 81 Args: map[string]string{ 82 "includes": strings.Join(includes, " "), 83 "genopt": generator, 84 }, 85 }) 86 t.generatedHeaders = append(t.generatedHeaders, out) 87 } 88 89 t.exportedHeaderDirs = append(t.exportedHeaderDirs, android.PathForModuleGen(ctx, "")) 90} 91 92func outToGenerator(ctx android.ModuleContext, out string) string { 93 out = filepath.Base(out) 94 switch { 95 case out == "AttrDump.inc": 96 return "-gen-clang-attr-dump" 97 case out == "AttrImpl.inc": 98 return "-gen-clang-attr-impl" 99 case out == "AttrHasAttributeImpl.inc": 100 return "-gen-clang-attr-has-attribute-impl" 101 case out == "AttrList.inc": 102 return "-gen-clang-attr-list" 103 case out == "AttrSpellingListIndex.inc": 104 return "-gen-clang-attr-spelling-index" 105 case out == "AttrPCHRead.inc": 106 return "-gen-clang-attr-pch-read" 107 case out == "AttrPCHWrite.inc": 108 return "-gen-clang-attr-pch-write" 109 case out == "Attrs.inc": 110 return "-gen-clang-attr-classes" 111 case out == "AttrParserStringSwitches.inc": 112 return "-gen-clang-attr-parser-string-switches" 113 case out == "AttrVisitor.inc": 114 return "-gen-clang-attr-ast-visitor" 115 case out == "AttrParsedAttrKinds.inc": 116 return "-gen-clang-attr-parsed-attr-kinds" 117 case out == "AttrParsedAttrImpl.inc": 118 return "-gen-clang-attr-parsed-attr-impl" 119 case out == "AttrParsedAttrList.inc": 120 return "-gen-clang-attr-parsed-attr-list" 121 case out == "AttrTemplateInstantiate.inc": 122 return "-gen-clang-attr-template-instantiate" 123 case out == "Checkers.inc": 124 return "-gen-clang-sa-checkers" 125 case out == "CommentCommandInfo.inc": 126 return "-gen-clang-comment-command-info" 127 case out == "CommentCommandList.inc": 128 return "-gen-clang-comment-command-list" 129 case out == "CommentHTMLNamedCharacterReferences.inc": 130 return "-gen-clang-comment-html-named-character-references" 131 case out == "CommentHTMLTagsProperties.inc": 132 return "-gen-clang-comment-html-tags-properties" 133 case out == "CommentHTMLTags.inc": 134 return "-gen-clang-comment-html-tags" 135 case out == "CommentNodes.inc": 136 return "-gen-clang-comment-nodes" 137 case strings.HasPrefix(out, "Diagnostic") && strings.HasSuffix(out, "Kinds.inc"): 138 component := strings.TrimPrefix(strings.TrimSuffix(out, "Kinds.inc"), "Diagnostic") 139 return "-gen-clang-diags-defs -clang-component=" + component 140 case out == "DiagnosticGroups.inc": 141 return "-gen-clang-diag-groups" 142 case out == "DiagnosticIndexName.inc": 143 return "-gen-clang-diag-groups" 144 case out == "DeclNodes.inc": 145 return "-gen-clang-decl-nodes" 146 case out == "StmtNodes.inc": 147 return "-gen-clang-stmt-nodes" 148 case out == "arm_neon.inc": 149 return "-gen-arm-neon-sema" 150 case out == "arm_neon.h": 151 return "-gen-arm-neon" 152 } 153 154 ctx.ModuleErrorf("couldn't map output file %q to a generator", out) 155 return "" 156} 157 158func (t *tblgen) DepsMutator(ctx android.BottomUpMutatorContext) { 159} 160 161func (t *tblgen) GeneratedHeaderDirs() android.Paths { 162 return t.exportedHeaderDirs 163} 164 165func (t *tblgen) GeneratedSourceFiles() android.Paths { 166 return nil 167} 168 169func (t *tblgen) GeneratedDeps() android.Paths { 170 return t.generatedHeaders 171} 172 173func clangTblgenFactory() android.Module { 174 t := &tblgen{} 175 176 t.AddProperties(&t.properties) 177 android.InitAndroidModule(t) 178 return t 179} 180